Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (44 commits)
  [S390] hypfs crashes with invalid mount option.
  [S390] cio: subchannel evaluation function operates without lock
  [S390] cio: always query all paths on path verification.
  [S390] cio: update path groups on logical CHPID changes.
  [S390] cio: subchannels in no-path state.
  [S390] Replace nopav-message on VM.
  [S390] set modalias for ccw bus uevents.
  [S390] Get rid of DBG macro.
  [S390] Use alternative user-copy operations for new hardware.
  [S390] Make user-copy operations run-time configurable.
  [S390] Cleanup in signal handling code.
  [S390] Cleanup in page table related code.
  [S390] Linux API for writing z/VM APPLDATA Monitor records.
  [S390] xpram off by one error.
  [S390] Remove kexec experimental flag.
  [S390] cleanup appldata.
  [S390] fix typo in vmcp.
  [S390] Kernel stack overflow handling.
  [S390] qdio slsb processing state.
  [S390] Missing initialization in common i/o layer.
  ...

99 files changed, 10478 insertions, 8281 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 11b59d2c7cf..ed2a83cfad7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2452,6 +2452,8 @@ S:      Maintained
 S390
 P:	Martin Schwidefsky
 M:	schwidefsky@de.ibm.com
+P:	Heiko Carstens
+M:	heiko.carstens@de.ibm.com
 M:	linux390@de.ibm.com
 L:	linux-390@vm.marist.edu
 W:	http://www.ibm.com/developerworks/linux/linux390/
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2f4f70c4dbb..b216ca659cd 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -460,8 +460,7 @@ config S390_HYPFS_FS
 	  information in an s390 hypervisor environment.
 
 config KEXEC
-	bool "kexec system call (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	bool "kexec system call"
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
@@ -487,8 +486,22 @@ source "drivers/net/Kconfig"
 
 source "fs/Kconfig"
 
+menu "Instrumentation Support"
+
 source "arch/s390/oprofile/Kconfig"
 
+config KPROBES
+	bool "Kprobes (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && MODULES
+	help
+	  Kprobes allows you to trap at almost any kernel address and
+	  execute a callback function.	register_kprobe() establishes
+	  a probepoint and specifies the callback.  Kprobes is useful
+	  for kernel debugging, non-intrusive instrumentation and testing.
+	  If in doubt, say "N".
+
+endmenu
+
 source "arch/s390/Kconfig.debug"
 
 source "security/Kconfig"
diff --git a/arch/s390/appldata/appldata.h b/arch/s390/appldata/appldata.h
index 71d65eb3065..0429481dea6 100644
--- a/arch/s390/appldata/appldata.h
+++ b/arch/s390/appldata/appldata.h
@@ -29,22 +29,6 @@
 #define CTL_APPLDATA_NET_SUM	2125
 #define CTL_APPLDATA_PROC	2126
 
-#ifndef CONFIG_64BIT
-
-#define APPLDATA_START_INTERVAL_REC 0x00	/* Function codes for */
-#define APPLDATA_STOP_REC	    0x01	/* DIAG 0xDC	  */
-#define APPLDATA_GEN_EVENT_RECORD   0x02
-#define APPLDATA_START_CONFIG_REC   0x03
-
-#else
-
-#define APPLDATA_START_INTERVAL_REC 0x80
-#define APPLDATA_STOP_REC	    0x81
-#define APPLDATA_GEN_EVENT_RECORD   0x82
-#define APPLDATA_START_CONFIG_REC   0x83
-
-#endif /* CONFIG_64BIT */
-
 #define P_INFO(x...)	printk(KERN_INFO MY_PRINT_NAME " info: " x)
 #define P_ERROR(x...)	printk(KERN_ERR MY_PRINT_NAME " error: " x)
 #define P_WARNING(x...)	printk(KERN_WARNING MY_PRINT_NAME " status: " x)
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index a0a94e0ef8d..b69ed742f98 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -14,20 +14,20 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/smp.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
 #include <linux/page-flags.h>
 #include <linux/swap.h>
 #include <linux/pagemap.h>
 #include <linux/sysctl.h>
-#include <asm/timer.h>
-//#include <linux/kernel_stat.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
 #include <linux/workqueue.h>
+#include <asm/appldata.h>
+#include <asm/timer.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/smp.h>
 
 #include "appldata.h"
 
@@ -39,34 +39,6 @@
 
 #define TOD_MICRO	0x01000			/* nr. of TOD clock units
 						   for 1 microsecond */
-
-/*
- * Parameter list for DIAGNOSE X'DC'
- */
-#ifndef CONFIG_64BIT
-struct appldata_parameter_list {
-	u16 diag;		/* The DIAGNOSE code X'00DC'          */
-	u8  function;		/* The function code for the DIAGNOSE */
-	u8  parlist_length;	/* Length of the parameter list       */
-	u32 product_id_addr;	/* Address of the 16-byte product ID  */
-	u16 reserved;
-	u16 buffer_length;	/* Length of the application data buffer  */
-	u32 buffer_addr;	/* Address of the application data buffer */
-};
-#else
-struct appldata_parameter_list {
-	u16 diag;
-	u8  function;
-	u8  parlist_length;
-	u32 unused01;
-	u16 reserved;
-	u16 buffer_length;
-	u32 unused02;
-	u64 product_id_addr;
-	u64 buffer_addr;
-};
-#endif /* CONFIG_64BIT */
-
 /*
  * /proc entries (sysctl)
  */
@@ -181,46 +153,17 @@ static void appldata_work_fn(void *data)
 int appldata_diag(char record_nr, u16 function, unsigned long buffer,
 			u16 length, char *mod_lvl)
 {
-	unsigned long ry;
-	struct appldata_product_id {
-		char prod_nr[7];			/* product nr. */
-		char prod_fn[2];			/* product function */
-		char record_nr;				/* record nr. */
-		char version_nr[2];			/* version */
-		char release_nr[2];			/* release */
-		char mod_lvl[2];			/* modification lvl. */
-	} appldata_product_id = {
-	/* all strings are EBCDIC, record_nr is byte */
+	struct appldata_product_id id = {
 		.prod_nr    = {0xD3, 0xC9, 0xD5, 0xE4,
-				0xE7, 0xD2, 0xD9},	/* "LINUXKR" */
-		.prod_fn    = {0xD5, 0xD3},		/* "NL" */
+			       0xE7, 0xD2, 0xD9},	/* "LINUXKR" */
+		.prod_fn    = 0xD5D3,			/* "NL" */
 		.record_nr  = record_nr,
-		.version_nr = {0xF2, 0xF6},		/* "26" */
-		.release_nr = {0xF0, 0xF1},		/* "01" */
-		.mod_lvl    = {mod_lvl[0], mod_lvl[1]},
-	};
-	struct appldata_parameter_list appldata_parameter_list = {
-				.diag = 0xDC,
-				.function = function,
-				.parlist_length =
-					sizeof(appldata_parameter_list),
-				.buffer_length = length,
-				.product_id_addr =
-					(unsigned long) &appldata_product_id,
-				.buffer_addr = virt_to_phys((void *) buffer)
+		.version_nr = 0xF2F6,			/* "26" */
+		.release_nr = 0xF0F1,			/* "01" */
+		.mod_lvl    = (mod_lvl[0]) << 8 | mod_lvl[1],
 	};
 
-	if (!MACHINE_IS_VM)
-		return -ENOSYS;
-	ry = -1;
-	asm volatile(
-			"diag %1,%0,0xDC\n\t"
-			: "=d" (ry)
-			: "d" (&appldata_parameter_list),
-			  "m" (appldata_parameter_list),
-			  "m" (appldata_product_id)
-			: "cc");
-	return (int) ry;
+	return appldata_asm(&id, function, (void *) buffer, length);
 }
 /************************ timer, work, DIAG <END> ****************************/
 
diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index 161acc5c8a1..76a15523ae9 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -16,6 +16,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/netdevice.h>
 #include <linux/sched.h>
+#include <asm/appldata.h>
 #include <asm/smp.h>
 
 #include "appldata.h"
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index f1d4591eddb..35da53986b1 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -428,6 +428,7 @@ CONFIG_S390_TAPE_34XX=m
 # CONFIG_VMLOGRDR is not set
 # CONFIG_VMCP is not set
 # CONFIG_MONREADER is not set
+CONFIG_MONWRITER=m
 
 #
 # Cryptographic devices
diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h
index ea5567be00f..f3dbd91965c 100644
--- a/arch/s390/hypfs/hypfs.h
+++ b/arch/s390/hypfs/hypfs.h
@@ -1,5 +1,5 @@
 /*
- *  fs/hypfs/hypfs.h
+ *  arch/s390/hypfs/hypfs.h
  *    Hypervisor filesystem for Linux on s390.
  *
  *    Copyright (C) IBM Corp. 2006
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 1785bce2b91..75144efbb92 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -1,5 +1,5 @@
 /*
- *  fs/hypfs/hypfs_diag.c
+ *  arch/s390/hypfs/hypfs_diag.c
  *    Hypervisor filesystem for Linux on s390. Diag 204 and 224
  *    implementation.
  *
@@ -432,12 +432,14 @@ static int diag204_probe(void)
 
 	buf = diag204_get_buffer(INFO_EXT, &pages);
 	if (!IS_ERR(buf)) {
-		if (diag204(SUBC_STIB7 | INFO_EXT, pages, buf) >= 0) {
+		if (diag204((unsigned long)SUBC_STIB7 |
+			    (unsigned long)INFO_EXT, pages, buf) >= 0) {
 			diag204_store_sc = SUBC_STIB7;
 			diag204_info_type = INFO_EXT;
 			goto out;
 		}
-		if (diag204(SUBC_STIB6 | INFO_EXT, pages, buf) >= 0) {
+		if (diag204((unsigned long)SUBC_STIB6 |
+			    (unsigned long)INFO_EXT, pages, buf) >= 0) {
 			diag204_store_sc = SUBC_STIB7;
 			diag204_info_type = INFO_EXT;
 			goto out;
@@ -452,7 +454,8 @@ static int diag204_probe(void)
 		rc = PTR_ERR(buf);
 		goto fail_alloc;
 	}
-	if (diag204(SUBC_STIB4 | INFO_SIMPLE, pages, buf) >= 0) {
+	if (diag204((unsigned long)SUBC_STIB4 |
+		    (unsigned long)INFO_SIMPLE, pages, buf) >= 0) {
 		diag204_store_sc = SUBC_STIB4;
 		diag204_info_type = INFO_SIMPLE;
 		goto out;
@@ -476,7 +479,8 @@ static void *diag204_store(void)
 	buf = diag204_get_buffer(diag204_info_type, &pages);
 	if (IS_ERR(buf))
 		goto out;
-	if (diag204(diag204_store_sc | diag204_info_type, pages, buf) < 0)
+	if (diag204((unsigned long)diag204_store_sc |
+		    (unsigned long)diag204_info_type, pages, buf) < 0)
 		return ERR_PTR(-ENOSYS);
 out:
 	return buf;
@@ -531,7 +535,7 @@ __init int hypfs_diag_init(void)
 	return rc;
 }
 
-__exit void hypfs_diag_exit(void)
+void hypfs_diag_exit(void)
 {
 	diag224_delete_name_table();
 	diag204_free_buffer();
diff --git a/arch/s390/hypfs/hypfs_diag.h b/arch/s390/hypfs/hypfs_diag.h
index 793dea6b9bb..256b384aebe 100644
--- a/arch/s390/hypfs/hypfs_diag.h
+++ b/arch/s390/hypfs/hypfs_diag.h
@@ -1,5 +1,5 @@
 /*
- *  fs/hypfs/hypfs_diag.h
+ *  arch/s390/hypfs_diag.h
  *    Hypervisor filesystem for Linux on s390.
  *
  *    Copyright (C) IBM Corp. 2006
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 18c091925ea..bdade5f2e32 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -1,5 +1,5 @@
 /*
- *  fs/hypfs/inode.c
+ *  arch/s390/hypfs/inode.c
  *    Hypervisor filesystem for Linux on s390.
  *
  *    Copyright (C) IBM Corp. 2006
@@ -312,10 +312,12 @@ static void hypfs_kill_super(struct super_block *sb)
 {
 	struct hypfs_sb_info *sb_info = sb->s_fs_info;
 
-	hypfs_delete_tree(sb->s_root);
-	hypfs_remove(sb_info->update_file);
-	kfree(sb->s_fs_info);
-	sb->s_fs_info = NULL;
+	if (sb->s_root) {
+		hypfs_delete_tree(sb->s_root);
+		hypfs_remove(sb_info->update_file);
+		kfree(sb->s_fs_info);
+		sb->s_fs_info = NULL;
+	}
 	kill_litter_super(sb);
 }
 
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 9a33ed6ca69..aa978978d3d 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -6,7 +6,7 @@ EXTRA_AFLAGS	:= -traditional
 
 obj-y	:=  bitmap.o traps.o time.o process.o \
             setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
-            semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o
+	    semaphore.o s390_ext.o debug.o profile.o irq.o ipl.o
 
 obj-y	+= $(if $(CONFIG_64BIT),entry64.o,entry.o)
 obj-y	+= $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
@@ -24,6 +24,7 @@ obj-$(CONFIG_COMPAT)		+= compat_linux.o compat_signal.o \
 
 obj-$(CONFIG_VIRT_TIMER)	+= vtime.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
+obj-$(CONFIG_KPROBES)		+= kprobes.o
 
 # Kexec part
 S390_KEXEC_OBJS := machine_kexec.o crash.o
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 5b5799ac8f8..0c712b78a7e 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -505,6 +505,8 @@ pgm_no_vtime2:
 	mvc	__THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
 	mvc	__THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
 	oi	__TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
+	tm	SP_PSW+1(%r15),0x01	# kernel per event ?
+	bz	BASED(kernel_per)
 	l	%r3,__LC_PGM_ILC	 # load program interruption code
 	la	%r8,0x7f
 	nr	%r8,%r3                  # clear per-event-bit and ilc
@@ -536,6 +538,16 @@ pgm_no_vtime3:
 	stosm	__SF_EMPTY(%r15),0x03	# reenable interrupts
 	b	BASED(sysc_do_svc)
 
+#
+# per was called from kernel, must be kprobes
+#
+kernel_per:
+	mvi	SP_TRAP+1(%r15),0x28	# set trap indication to pgm check
+	la	%r2,SP_PTREGS(%r15)	# address of register-save area
+	l	%r1,BASED(.Lhandle_per)	# load adr. of per handler
+	la	%r14,BASED(sysc_leave)	# load adr. of system return
+	br	%r1			# branch to do_single_step
+
 /*
  * IO interrupt handler routine
  */
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 56f5f613b86..29bbfbab733 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -518,6 +518,8 @@ pgm_no_vtime2:
 #endif
 	lg	%r9,__LC_THREAD_INFO	# load pointer to thread_info struct
 	lg	%r1,__TI_task(%r9)
+	tm	SP_PSW+1(%r15),0x01	# kernel per event ?
+	jz	kernel_per
 	mvc	__THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
 	mvc	__THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS
 	mvc	__THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
@@ -553,6 +555,16 @@ pgm_no_vtime3:
 	stosm	__SF_EMPTY(%r15),0x03	# reenable interrupts
 	j	sysc_do_svc
 
+#
+# per was called from kernel, must be kprobes
+#
+kernel_per:
+	lhi	%r0,__LC_PGM_OLD_PSW
+	sth	%r0,SP_TRAP(%r15)	# set trap indication to pgm check
+	la	%r2,SP_PTREGS(%r15)	# address of register-save area
+	larl	%r14,sysc_leave		# load adr. of system ret, no work
+	jg	do_single_step		# branch to do_single_step
+
 /*
  * IO interrupt handler routine
  */
@@ -815,7 +827,7 @@ restart_go:
  */
 stack_overflow:
 	lg	%r15,__LC_PANIC_STACK	# change to panic stack
-	aghi	%r1,-SP_SIZE
+	aghi	%r15,-SP_SIZE
 	mvc	SP_PSW(16,%r15),0(%r12)	# move user PSW to stack
 	stmg	%r0,%r11,SP_R0(%r15)	# store gprs %r0-%r11 to kernel stack
 	la	%r1,__LC_SAVE_AREA
@@ -823,7 +835,7 @@ stack_overflow:
 	je	0f
 	chi	%r12,__LC_PGM_OLD_PSW
 	je	0f
-	la	%r1,__LC_SAVE_AREA+16
+	la	%r1,__LC_SAVE_AREA+32
 0:	mvc	SP_R12(32,%r15),0(%r1)  # move %r12-%r15 to stack
         xc      __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) # clear back chain
         la      %r2,SP_PTREGS(%r15)	# load pt_regs
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index adad8863ee2..0f1db268a8a 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -272,7 +272,7 @@ iplstart:
 # load parameter file from ipl device
 #
 .Lagain1:
- 	l     %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # ramdisk loc. is temp
+	l     %r2,.Linitrd		       # ramdisk loc. is temp
         bas   %r14,.Lloader                    # load parameter file
         ltr   %r2,%r2                          # got anything ?
         bz    .Lnopf
@@ -280,7 +280,7 @@ iplstart:
 	bnh   .Lnotrunc
 	la    %r2,895
 .Lnotrunc:
-	l     %r4,INITRD_START+ARCH_OFFSET-PARMAREA(%r12)
+	l     %r4,.Linitrd
 	clc   0(3,%r4),.L_hdr		       # if it is HDRx
 	bz    .Lagain1			       # skip dataset header
 	clc   0(3,%r4),.L_eof		       # if it is EOFx
@@ -323,14 +323,15 @@ iplstart:
 # load ramdisk from ipl device
 #	
 .Lagain2:
- 	l     %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # addr of ramdisk
+	l     %r2,.Linitrd		       # addr of ramdisk
+	st    %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12)
         bas   %r14,.Lloader                    # load ramdisk
  	st    %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of ramdisk
         ltr   %r2,%r2
         bnz   .Lrdcont
         st    %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found
 .Lrdcont:
-	l     %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12)
+	l     %r2,.Linitrd
 
 	clc   0(3,%r2),.L_hdr		       # skip HDRx and EOFx 
 	bz    .Lagain2
@@ -379,6 +380,7 @@ iplstart:
         l     %r1,.Lstartup
         br    %r1
 
+.Linitrd:.long _end + 0x400000		       # default address of initrd
 .Lparm:	.long  PARMAREA
 .Lstartup: .long startup
 .Lcvtab:.long  _ebcasc                         # ebcdic to ascii table
@@ -479,65 +481,6 @@ start:
 	.byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 
 	.byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff
 
-.macro GET_IPL_DEVICE
-.Lget_ipl_device:
-	l     %r1,0xb8			# get sid
-	sll   %r1,15			# test if subchannel is enabled
-	srl   %r1,31
-	ltr   %r1,%r1
-	bz    2f-.LPG1(%r13)		# subchannel disabled
-	l     %r1,0xb8
-	la    %r5,.Lipl_schib-.LPG1(%r13)
-	stsch 0(%r5)		        # get schib of subchannel
-	bnz   2f-.LPG1(%r13)		# schib not available
-	tm    5(%r5),0x01		# devno valid?
-	bno   2f-.LPG1(%r13)
-	la    %r6,ipl_parameter_flags-.LPG1(%r13)
-	oi    3(%r6),0x01		# set flag
-	la    %r2,ipl_devno-.LPG1(%r13)
-	mvc   0(2,%r2),6(%r5)		# store devno
-	tm    4(%r5),0x80		# qdio capable device?
-	bno   2f-.LPG1(%r13)
-	oi    3(%r6),0x02		# set flag
-
-	# copy ipl parameters
-
-	lhi   %r0,4096
-	l     %r2,20(%r0)		# get address of parameter list
-	lhi   %r3,IPL_PARMBLOCK_ORIGIN
-	st    %r3,20(%r0)
-	lhi   %r4,1
-	cr    %r2,%r3			# start parameters < destination ?
-	jl    0f
-	lhi   %r1,1			# copy direction is upwards
-	j     1f
-0:	lhi   %r1,-1			# copy direction is downwards
-	ar    %r2,%r0
-	ar    %r3,%r0
-	ar    %r2,%r1
-	ar    %r3,%r1
-1:	mvc   0(1,%r3),0(%r2)		# finally copy ipl parameters
-	ar    %r3,%r1
-	ar    %r2,%r1
-	sr    %r0,%r4
-	jne   1b
-	b     2f-.LPG1(%r13)
-
-	.align 4
-.Lipl_schib:
-	.rept 13
-	.long 0
-	.endr
-
-	.globl ipl_parameter_flags
-ipl_parameter_flags:
-	.long 0
-	.globl ipl_devno
-ipl_devno:
-	.word 0
-2:
-.endm
-
 #ifdef CONFIG_64BIT
 #include "head64.S"
 #else
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index a4dc61f3285..1fa9fa1ca74 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -26,8 +26,8 @@ startup:basr	%r13,0			# get base
 #
 	.org	PARMAREA
 	.long	0,0			# IPL_DEVICE
-	.long	0,RAMDISK_ORIGIN	# INITRD_START
-	.long	0,RAMDISK_SIZE		# INITRD_SIZE
+	.long	0,0			# INITRD_START
+	.long	0,0			# INITRD_SIZE
 
 	.org	COMMAND_LINE
 	.byte	"root=/dev/ram0 ro"
@@ -37,12 +37,23 @@ startup:basr	%r13,0			# get base
 
 startup_continue:
 	basr	%r13,0			# get base
-.LPG1:	GET_IPL_DEVICE
+.LPG1:	mvi	__LC_AR_MODE_ID,0	# set ESA flag (mode 0)
 	lctl	%c0,%c15,.Lctl-.LPG1(%r13) # load control registers
 	l	%r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
 					# move IPL device to lowcore
 	mvc	__LC_IPLDEV(4),IPL_DEVICE-PARMAREA(%r12)
+#
+# Setup stack
+#
+	l	%r15,.Linittu-.LPG1(%r13)
+	mvc	__LC_CURRENT(4),__TI_task(%r15)
+	ahi	%r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union+THREAD_SIZE
+	st	%r15,__LC_KERNEL_STACK	# set end of kernel stack
+	ahi	%r15,-96
+	xc	__SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain
 
+	l	%r14,.Lipl_save_parameters-.LPG1(%r13)
+	basr	%r14,%r14
 #
 # clear bss memory
 #
@@ -114,6 +125,10 @@ startup_continue:
 	b	.Lfchunk-.LPG1(%r13)
 
 	.align 4
+.Lipl_save_parameters:
+	.long	ipl_save_parameters
+.Linittu:
+	.long	init_thread_union
 .Lpmask:
 	.byte	0
 .align 8
@@ -273,7 +288,23 @@ startup_continue:
 .Lbss_end:  .long _end
 .Lparmaddr: .long PARMAREA
 .Lsccbaddr: .long .Lsccb
+
+	.globl ipl_schib
+ipl_schib:
+	.rept 13
+	.long 0
+	.endr
+
+	.globl ipl_flags
+ipl_flags:
+	.long 0
+	.globl ipl_devno
+ipl_devno:
+	.word 0
+
 	.org	0x12000
+.globl s390_readinfo_sccb
+s390_readinfo_sccb:
 .Lsccb:
 	.hword	0x1000			# length, one page
 	.byte	0x00,0x00,0x00
@@ -302,16 +333,6 @@ startup_continue:
 	.globl	_stext
 _stext:	basr	%r13,0			# get base
 .LPG3:
-#
-# Setup stack
-#
-	l	%r15,.Linittu-.LPG3(%r13)
-	mvc	__LC_CURRENT(4),__TI_task(%r15)
-	ahi	%r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union+THREAD_SIZE
-	st	%r15,__LC_KERNEL_STACK	# set end of kernel stack
-	ahi	%r15,-96
-	xc	__SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain
-
 # check control registers
 	stctl	%c0,%c15,0(%r15)
 	oi	2(%r15),0x40		# enable sigp emergency signal
@@ -330,6 +351,5 @@ _stext:	basr	%r13,0			# get base
 #
 	.align	8
 .Ldw:	.long	0x000a0000,0x00000000
-.Linittu:.long	init_thread_union
 .Lstart:.long	start_kernel
 .Laregs:.long	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 9d80c5b1ef9..a8bdd96494c 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -26,8 +26,8 @@ startup:basr  %r13,0			 # get base
 #
 	.org   PARMAREA
 	.quad  0			# IPL_DEVICE
-	.quad  RAMDISK_ORIGIN		# INITRD_START
-	.quad  RAMDISK_SIZE		# INITRD_SIZE
+	.quad  0			# INITRD_START
+	.quad  0			# INITRD_SIZE
 
 	.org   COMMAND_LINE
 	.byte  "root=/dev/ram0 ro"
@@ -39,8 +39,8 @@ startup_continue:
 	basr  %r13,0			 # get base
 .LPG1:  sll   %r13,1                     # remove high order bit
         srl   %r13,1
-	GET_IPL_DEVICE
         lhi   %r1,1                      # mode 1 = esame
+	mvi   __LC_AR_MODE_ID,1		 # set esame flag
         slr   %r0,%r0                    # set cpuid to zero
         sigp  %r1,%r0,0x12               # switch to esame mode
 	sam64				 # switch to 64 bit mode
@@ -48,7 +48,18 @@ startup_continue:
 	lg    %r12,.Lparmaddr-.LPG1(%r13)# pointer to parameter area
 					 # move IPL device to lowcore
         mvc   __LC_IPLDEV(4),IPL_DEVICE+4-PARMAREA(%r12)
+#
+# Setup stack
+#
+	larl  %r15,init_thread_union
+	lg    %r14,__TI_task(%r15)	# cache current in lowcore
+	stg   %r14,__LC_CURRENT
+	aghi  %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE
+	stg   %r15,__LC_KERNEL_STACK	# set end of kernel stack
+	aghi  %r15,-160
+	xc    __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain
 
+	brasl %r14,ipl_save_parameters
 #
 # clear bss memory
 #
@@ -239,6 +250,19 @@ startup_continue:
 	oi	7(%r12),0x80		# set IDTE flag
 0:
 
+#
+# find out if we have the MVCOS instruction
+#
+	la	%r1,0f-.LPG1(%r13)	# set program check address
+	stg	%r1,__LC_PGM_NEW_PSW+8
+	.short	0xc800			# mvcos 0(%r0),0(%r0),%r0
+	.short	0x0000
+	.short	0x0000
+0:	tm	0x8f,0x13		# special-operation exception?
+	bno	1f-.LPG1(%r13)		# if yes, MVCOS is present
+	oi	6(%r12),2		# set MVCOS flag
+1:
+
         lpswe .Lentry-.LPG1(13)         # jump to _stext in primary-space,
                                         # virtual and never return ...
         .align 16
@@ -268,7 +292,22 @@ startup_continue:
 .Lparmaddr:
 	.quad	PARMAREA
 
+	.globl ipl_schib
+ipl_schib:
+	.rept 13
+	.long 0
+	.endr
+
+	.globl ipl_flags
+ipl_flags:
+	.long 0
+	.globl ipl_devno
+ipl_devno:
+	.word 0
+
 	.org	0x12000
+.globl s390_readinfo_sccb
+s390_readinfo_sccb:
 .Lsccb:
 	.hword 0x1000			# length, one page
 	.byte 0x00,0x00,0x00
@@ -297,24 +336,12 @@ startup_continue:
         .globl _stext
 _stext:	basr  %r13,0                    # get base
 .LPG3:
-#
-# Setup stack
-#
-	larl  %r15,init_thread_union
-	lg    %r14,__TI_task(%r15)      # cache current in lowcore
-	stg   %r14,__LC_CURRENT
-        aghi  %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE
-        stg   %r15,__LC_KERNEL_STACK    # set end of kernel stack
-        aghi  %r15,-160
-        xc    __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain
-
 # check control registers
         stctg  %c0,%c15,0(%r15)
 	oi     6(%r15),0x40             # enable sigp emergency signal
 	oi     4(%r15),0x10             # switch on low address proctection
         lctlg  %c0,%c15,0(%r15)
 
-#
         lam    0,15,.Laregs-.LPG3(%r13) # load access regs needed by uaccess
         brasl  %r14,start_kernel        # go to C code
 #
@@ -322,7 +349,7 @@ _stext:	basr  %r13,0                    # get base
 #
         basr  %r13,0
 	lpswe .Ldw-.(%r13)           # load disabled wait psw
-#
+
             .align 8
 .Ldw:       .quad  0x0002000180000000,0x0000000000000000
 .Laregs:    .long  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
new file mode 100644
index 00000000000..6555cc48e28
--- /dev/null
+++ b/arch/s390/kernel/ipl.c
@@ -0,0 +1,942 @@
+/*
+ *  arch/s390/kernel/ipl.c
+ *    ipl/reipl/dump support for Linux on s390.
+ *
+ *    Copyright (C) IBM Corp. 2005,2006
+ *    Author(s): Michael Holzheu <holzheu@de.ibm.com>
+ *		 Heiko Carstens <heiko.carstens@de.ibm.com>
+ *		 Volker Sameske <sameske@de.ibm.com>
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/reboot.h>
+#include <asm/smp.h>
+#include <asm/setup.h>
+#include <asm/cpcmd.h>
+#include <asm/cio.h>
+
+#define IPL_PARM_BLOCK_VERSION 0
+
+enum ipl_type {
+	IPL_TYPE_NONE	 = 1,
+	IPL_TYPE_UNKNOWN = 2,
+	IPL_TYPE_CCW	 = 4,
+	IPL_TYPE_FCP	 = 8,
+};
+
+#define IPL_NONE_STR	 "none"
+#define IPL_UNKNOWN_STR  "unknown"
+#define IPL_CCW_STR	 "ccw"
+#define IPL_FCP_STR	 "fcp"
+
+static char *ipl_type_str(enum ipl_type type)
+{
+	switch (type) {
+	case IPL_TYPE_NONE:
+		return IPL_NONE_STR;
+	case IPL_TYPE_CCW:
+		return IPL_CCW_STR;
+	case IPL_TYPE_FCP:
+		return IPL_FCP_STR;
+	case IPL_TYPE_UNKNOWN:
+	default:
+		return IPL_UNKNOWN_STR;
+	}
+}
+
+enum ipl_method {
+	IPL_METHOD_NONE,
+	IPL_METHOD_CCW_CIO,
+	IPL_METHOD_CCW_DIAG,
+	IPL_METHOD_CCW_VM,
+	IPL_METHOD_FCP_RO_DIAG,
+	IPL_METHOD_FCP_RW_DIAG,
+	IPL_METHOD_FCP_RO_VM,
+};
+
+enum shutdown_action {
+	SHUTDOWN_REIPL,
+	SHUTDOWN_DUMP,
+	SHUTDOWN_STOP,
+};
+
+#define SHUTDOWN_REIPL_STR "reipl"
+#define SHUTDOWN_DUMP_STR  "dump"
+#define SHUTDOWN_STOP_STR  "stop"
+
+static char *shutdown_action_str(enum shutdown_action action)
+{
+	switch (action) {
+	case SHUTDOWN_REIPL:
+		return SHUTDOWN_REIPL_STR;
+	case SHUTDOWN_DUMP:
+		return SHUTDOWN_DUMP_STR;
+	case SHUTDOWN_STOP:
+		return SHUTDOWN_STOP_STR;
+	default:
+		BUG();
+	}
+}
+
+enum diag308_subcode  {
+	DIAG308_IPL   = 3,
+	DIAG308_DUMP  = 4,
+	DIAG308_SET   = 5,
+	DIAG308_STORE = 6,
+};
+
+enum diag308_ipl_type {
+	DIAG308_IPL_TYPE_FCP = 0,
+	DIAG308_IPL_TYPE_CCW = 2,
+};
+
+enum diag308_opt {
+	DIAG308_IPL_OPT_IPL  = 0x10,
+	DIAG308_IPL_OPT_DUMP = 0x20,
+};
+
+enum diag308_rc {
+	DIAG308_RC_OK = 1,
+};
+
+static int diag308_set_works = 0;
+
+static int reipl_capabilities = IPL_TYPE_UNKNOWN;
+static enum ipl_type reipl_type = IPL_TYPE_UNKNOWN;
+static enum ipl_method reipl_method = IPL_METHOD_NONE;
+static struct ipl_parameter_block *reipl_block_fcp;
+static struct ipl_parameter_block *reipl_block_ccw;
+
+static int dump_capabilities = IPL_TYPE_NONE;
+static enum ipl_type dump_type = IPL_TYPE_NONE;
+static enum ipl_method dump_method = IPL_METHOD_NONE;
+static struct ipl_parameter_block *dump_block_fcp;
+static struct ipl_parameter_block *dump_block_ccw;
+
+static enum shutdown_action on_panic_action = SHUTDOWN_STOP;
+
+static int diag308(unsigned long subcode, void *addr)
+{
+	register unsigned long _addr asm("0") = (unsigned long)addr;
+	register unsigned long _rc asm("1") = 0;
+
+	asm volatile (
+		"   diag %0,%2,0x308\n"
+		"0: \n"
+		".section __ex_table,\"a\"\n"
+#ifdef CONFIG_64BIT
+		"   .align 8\n"
+		"   .quad 0b, 0b\n"
+#else
+		"   .align 4\n"
+		"   .long 0b, 0b\n"
+#endif
+		".previous\n"
+		: "+d" (_addr), "+d" (_rc)
+		: "d" (subcode) : "cc", "memory" );
+
+	return _rc;
+}
+
+/* SYSFS */
+
+#define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value)		\
+static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys,	\
+		char *page)						\
+{									\
+	return sprintf(page, _format, _value);				\
+}									\
+static struct subsys_attribute sys_##_prefix##_##_name##_attr =		\
+	__ATTR(_name, S_IRUGO, sys_##_prefix##_##_name##_show, NULL);
+
+#define DEFINE_IPL_ATTR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)	\
+static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys,	\
+		char *page)						\
+{									\
+	return sprintf(page, _fmt_out,					\
+			(unsigned long long) _value);			\
+}									\
+static ssize_t sys_##_prefix##_##_name##_store(struct subsystem *subsys,\
+		const char *buf, size_t len)				\
+{									\
+	unsigned long long value;					\
+	if (sscanf(buf, _fmt_in, &value) != 1)				\
+		return -EINVAL;						\
+	_value = value;							\
+	return len;							\
+}									\
+static struct subsys_attribute sys_##_prefix##_##_name##_attr =		\
+	__ATTR(_name,(S_IRUGO | S_IWUSR),				\
+			sys_##_prefix##_##_name##_show,			\
+			sys_##_prefix##_##_name##_store);
+
+static void make_attrs_ro(struct attribute **attrs)
+{
+	while (*attrs) {
+		(*attrs)->mode = S_IRUGO;
+		attrs++;
+	}
+}
+
+/*
+ * ipl section
+ */
+
+static enum ipl_type ipl_get_type(void)
+{
+	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
+
+	if (!(ipl_flags & IPL_DEVNO_VALID))
+		return IPL_TYPE_UNKNOWN;
+	if (!(ipl_flags & IPL_PARMBLOCK_VALID))
+		return IPL_TYPE_CCW;
+	if (ipl->hdr.version > IPL_MAX_SUPPORTED_VERSION)
+		return IPL_TYPE_UNKNOWN;
+	if (ipl->hdr.pbt != DIAG308_IPL_TYPE_FCP)
+		return IPL_TYPE_UNKNOWN;
+	return IPL_TYPE_FCP;
+}
+
+static ssize_t ipl_type_show(struct subsystem *subsys, char *page)
+{
+	return sprintf(page, "%s\n", ipl_type_str(ipl_get_type()));
+}
+
+static struct subsys_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type);
+
+static ssize_t sys_ipl_device_show(struct subsystem *subsys, char *page)
+{
+	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
+
+	switch (ipl_get_type()) {
+	case IPL_TYPE_CCW:
+		return sprintf(page, "0.0.%04x\n", ipl_devno);
+	case IPL_TYPE_FCP:
+		return sprintf(page, "0.0.%04x\n", ipl->ipl_info.fcp.devno);
+	default:
+		return 0;
+	}
+}
+
+static struct subsys_attribute sys_ipl_device_attr =
+	__ATTR(device, S_IRUGO, sys_ipl_device_show, NULL);
+
+static ssize_t ipl_parameter_read(struct kobject *kobj, char *buf, loff_t off,
+				  size_t count)
+{
+	unsigned int size = IPL_PARMBLOCK_SIZE;
+
+	if (off > size)
+		return 0;
+	if (off + count > size)
+		count = size - off;
+	memcpy(buf, (void *)IPL_PARMBLOCK_START + off, count);
+	return count;
+}
+
+static struct bin_attribute ipl_parameter_attr = {
+	.attr = {
+		.name = "binary_parameter",
+		.mode = S_IRUGO,
+		.owner = THIS_MODULE,
+	},
+	.size = PAGE_SIZE,
+	.read = &ipl_parameter_read,
+};
+
+static ssize_t ipl_scp_data_read(struct kobject *kobj, char *buf, loff_t off,
+	size_t count)
+{
+	unsigned int size = IPL_PARMBLOCK_START->ipl_info.fcp.scp_data_len;
+	void *scp_data = &IPL_PARMBLOCK_START->ipl_info.fcp.scp_data;
+
+	if (off > size)
+		return 0;
+	if (off + count > size)
+		count = size - off;
+	memcpy(buf, scp_data + off, count);
+	return count;
+}
+
+static struct bin_attribute ipl_scp_data_attr = {
+	.attr = {
+		.name = "scp_data",
+		.mode = S_IRUGO,
+		.owner = THIS_MODULE,
+	},
+	.size = PAGE_SIZE,
+	.read = &ipl_scp_data_read,
+};
+
+/* FCP ipl device attributes */
+
+DEFINE_IPL_ATTR_RO(ipl_fcp, wwpn, "0x%016llx\n", (unsigned long long)
+		   IPL_PARMBLOCK_START->ipl_info.fcp.wwpn);
+DEFINE_IPL_ATTR_RO(ipl_fcp, lun, "0x%016llx\n", (unsigned long long)
+		   IPL_PARMBLOCK_START->ipl_info.fcp.lun);
+DEFINE_IPL_ATTR_RO(ipl_fcp, bootprog, "%lld\n", (unsigned long long)
+		   IPL_PARMBLOCK_START->ipl_info.fcp.bootprog);
+DEFINE_IPL_ATTR_RO(ipl_fcp, br_lba, "%lld\n", (unsigned long long)
+		   IPL_PARMBLOCK_START->ipl_info.fcp.br_lba);
+
+static struct attribute *ipl_fcp_attrs[] = {
+	&sys_ipl_type_attr.attr,
+	&sys_ipl_device_attr.attr,
+	&sys_ipl_fcp_wwpn_attr.attr,
+	&sys_ipl_fcp_lun_attr.attr,
+	&sys_ipl_fcp_bootprog_attr.attr,
+	&sys_ipl_fcp_br_lba_attr.attr,
+	NULL,
+};
+
+static struct attribute_group ipl_fcp_attr_group = {
+	.attrs = ipl_fcp_attrs,
+};
+
+/* CCW ipl device attributes */
+
+static struct attribute *ipl_ccw_attrs[] = {
+	&sys_ipl_type_attr.attr,
+	&sys_ipl_device_attr.attr,
+	NULL,
+};
+
+static struct attribute_group ipl_ccw_attr_group = {
+	.attrs = ipl_ccw_attrs,
+};
+
+/* UNKNOWN ipl device attributes */
+
+static struct attribute *ipl_unknown_attrs[] = {
+	&sys_ipl_type_attr.attr,
+	NULL,
+};
+
+static struct attribute_group ipl_unknown_attr_group = {
+	.attrs = ipl_unknown_attrs,
+};
+
+static decl_subsys(ipl, NULL, NULL);
+
+/*
+ * reipl section
+ */
+
+/* FCP reipl device attributes */
+
+DEFINE_IPL_ATTR_RW(reipl_fcp, wwpn, "0x%016llx\n", "%016llx\n",
+		   reipl_block_fcp->ipl_info.fcp.wwpn);
+DEFINE_IPL_ATTR_RW(reipl_fcp, lun, "0x%016llx\n", "%016llx\n",
+		   reipl_block_fcp->ipl_info.fcp.lun);
+DEFINE_IPL_ATTR_RW(reipl_fcp, bootprog, "%lld\n", "%lld\n",
+		   reipl_block_fcp->ipl_info.fcp.bootprog);
+DEFINE_IPL_ATTR_RW(reipl_fcp, br_lba, "%lld\n", "%lld\n",
+		   reipl_block_fcp->ipl_info.fcp.br_lba);
+DEFINE_IPL_ATTR_RW(reipl_fcp, device, "0.0.%04llx\n", "0.0.%llx\n",
+		   reipl_block_fcp->ipl_info.fcp.devno);
+
+static struct attribute *reipl_fcp_attrs[] = {
+	&sys_reipl_fcp_device_attr.attr,
+	&sys_reipl_fcp_wwpn_attr.attr,
+	&sys_reipl_fcp_lun_attr.attr,
+	&sys_reipl_fcp_bootprog_attr.attr,
+	&sys_reipl_fcp_br_lba_attr.attr,
+	NULL,
+};
+
+static struct attribute_group reipl_fcp_attr_group = {
+	.name  = IPL_FCP_STR,
+	.attrs = reipl_fcp_attrs,
+};
+
+/* CCW reipl device attributes */
+
+DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n",
+	reipl_block_ccw->ipl_info.ccw.devno);
+
+static struct attribute *reipl_ccw_attrs[] = {
+	&sys_reipl_ccw_device_attr.attr,
+	NULL,
+};
+
+static struct attribute_group reipl_ccw_attr_group = {
+	.name  = IPL_CCW_STR,
+	.attrs = reipl_ccw_attrs,
+};
+
+/* reipl type */
+
+static int reipl_set_type(enum ipl_type type)
+{
+	if (!(reipl_capabilities & type))
+		return -EINVAL;
+
+	switch(type) {
+	case IPL_TYPE_CCW:
+		if (MACHINE_IS_VM)
+			reipl_method = IPL_METHOD_CCW_VM;
+		else
+			reipl_method = IPL_METHOD_CCW_CIO;
+		break;
+	case IPL_TYPE_FCP:
+		if (diag308_set_works)
+			reipl_method = IPL_METHOD_FCP_RW_DIAG;
+		else if (MACHINE_IS_VM)
+			reipl_method = IPL_METHOD_FCP_RO_VM;
+		else
+			reipl_method = IPL_METHOD_FCP_RO_DIAG;
+		break;
+	default:
+		reipl_method = IPL_METHOD_NONE;
+	}
+	reipl_type = type;
+	return 0;
+}
+
+static ssize_t reipl_type_show(struct subsystem *subsys, char *page)
+{
+	return sprintf(page, "%s\n", ipl_type_str(reipl_type));
+}
+
+static ssize_t reipl_type_store(struct subsystem *subsys, const char *buf,
+				size_t len)
+{
+	int rc = -EINVAL;
+
+	if (strncmp(buf, IPL_CCW_STR, strlen(IPL_CCW_STR)) == 0)
+		rc = reipl_set_type(IPL_TYPE_CCW);
+	else if (strncmp(buf, IPL_FCP_STR, strlen(IPL_FCP_STR)) == 0)
+		rc = reipl_set_type(IPL_TYPE_FCP);
+	return (rc != 0) ? rc : len;
+}
+
+static struct subsys_attribute reipl_type_attr =
+		__ATTR(reipl_type, 0644, reipl_type_show, reipl_type_store);
+
+static decl_subsys(reipl, NULL, NULL);
+
+/*
+ * dump section
+ */
+
+/* FCP dump device attributes */
+
+DEFINE_IPL_ATTR_RW(dump_fcp, wwpn, "0x%016llx\n", "%016llx\n",
+		   dump_block_fcp->ipl_info.fcp.wwpn);
+DEFINE_IPL_ATTR_RW(dump_fcp, lun, "0x%016llx\n", "%016llx\n",
+		   dump_block_fcp->ipl_info.fcp.lun);
+DEFINE_IPL_ATTR_RW(dump_fcp, bootprog, "%lld\n", "%lld\n",
+		   dump_block_fcp->ipl_info.fcp.bootprog);
+DEFINE_IPL_ATTR_RW(dump_fcp, br_lba, "%lld\n", "%lld\n",
+		   dump_block_fcp->ipl_info.fcp.br_lba);
+DEFINE_IPL_ATTR_RW(dump_fcp, device, "0.0.%04llx\n", "0.0.%llx\n",
+		   dump_block_fcp->ipl_info.fcp.devno);
+
+static struct attribute *dump_fcp_attrs[] = {
+	&sys_dump_fcp_device_attr.attr,
+	&sys_dump_fcp_wwpn_attr.attr,
+	&sys_dump_fcp_lun_attr.attr,
+	&sys_dump_fcp_bootprog_attr.attr,
+	&sys_dump_fcp_br_lba_attr.attr,
+	NULL,
+};
+
+static struct attribute_group dump_fcp_attr_group = {
+	.name  = IPL_FCP_STR,
+	.attrs = dump_fcp_attrs,
+};
+
+/* CCW dump device attributes */
+
+DEFINE_IPL_ATTR_RW(dump_ccw, device, "0.0.%04llx\n", "0.0.%llx\n",
+		   dump_block_ccw->ipl_info.ccw.devno);
+
+static struct attribute *dump_ccw_attrs[] = {
+	&sys_dump_ccw_device_attr.attr,
+	NULL,
+};
+
+static struct attribute_group dump_ccw_attr_group = {
+	.name  = IPL_CCW_STR,
+	.attrs = dump_ccw_attrs,
+};
+
+/* dump type */
+
+static int dump_set_type(enum ipl_type type)
+{
+	if (!(dump_capabilities & type))
+		return -EINVAL;
+	switch(type) {
+	case IPL_TYPE_CCW:
+		if (MACHINE_IS_VM)
+			dump_method = IPL_METHOD_CCW_VM;
+		else
+			dump_method = IPL_METHOD_CCW_CIO;
+		break;
+	case IPL_TYPE_FCP:
+		dump_method = IPL_METHOD_FCP_RW_DIAG;
+		break;
+	default:
+		dump_method = IPL_METHOD_NONE;
+	}
+	dump_type = type;
+	return 0;
+}
+
+static ssize_t dump_type_show(struct subsystem *subsys, char *page)
+{
+	return sprintf(page, "%s\n", ipl_type_str(dump_type));
+}
+
+static ssize_t dump_type_store(struct subsystem *subsys, const char *buf,
+			       size_t len)
+{
+	int rc = -EINVAL;
+
+	if (strncmp(buf, IPL_NONE_STR, strlen(IPL_NONE_STR)) == 0)
+		rc = dump_set_type(IPL_TYPE_NONE);
+	else if (strncmp(buf, IPL_CCW_STR, strlen(IPL_CCW_STR)) == 0)
+		rc = dump_set_type(IPL_TYPE_CCW);
+	else if (strncmp(buf, IPL_FCP_STR, strlen(IPL_FCP_STR)) == 0)
+		rc = dump_set_type(IPL_TYPE_FCP);
+	return (rc != 0) ? rc : len;
+}
+
+static struct subsys_attribute dump_type_attr =
+		__ATTR(dump_type, 0644, dump_type_show, dump_type_store);
+
+static decl_subsys(dump, NULL, NULL);
+
+#ifdef CONFIG_SMP
+static void dump_smp_stop_all(void)
+{
+	int cpu;
+	preempt_disable();
+	for_each_online_cpu(cpu) {
+		if (cpu == smp_processor_id())
+			continue;
+		while (signal_processor(cpu, sigp_stop) == sigp_busy)
+			udelay(10);
+	}
+	preempt_enable();
+}
+#else
+#define dump_smp_stop_all() do { } while (0)
+#endif
+
+/*
+ * Shutdown actions section
+ */
+
+static decl_subsys(shutdown_actions, NULL, NULL);
+
+/* on panic */
+
+static ssize_t on_panic_show(struct subsystem *subsys, char *page)
+{
+	return sprintf(page, "%s\n", shutdown_action_str(on_panic_action));
+}
+
+static ssize_t on_panic_store(struct subsystem *subsys, const char *buf,
+			      size_t len)
+{
+	if (strncmp(buf, SHUTDOWN_REIPL_STR, strlen(SHUTDOWN_REIPL_STR)) == 0)
+		on_panic_action = SHUTDOWN_REIPL;
+	else if (strncmp(buf, SHUTDOWN_DUMP_STR,
+			 strlen(SHUTDOWN_DUMP_STR)) == 0)
+		on_panic_action = SHUTDOWN_DUMP;
+	else if (strncmp(buf, SHUTDOWN_STOP_STR,
+			 strlen(SHUTDOWN_STOP_STR)) == 0)
+		on_panic_action = SHUTDOWN_STOP;
+	else
+		return -EINVAL;
+
+	return len;
+}
+
+static struct subsys_attribute on_panic_attr =
+		__ATTR(on_panic, 0644, on_panic_show, on_panic_store);
+
+static void print_fcp_block(struct ipl_parameter_block *fcp_block)
+{
+	printk(KERN_EMERG "wwpn:      %016llx\n",
+		(unsigned long long)fcp_block->ipl_info.fcp.wwpn);
+	printk(KERN_EMERG "lun:       %016llx\n",
+		(unsigned long long)fcp_block->ipl_info.fcp.lun);
+	printk(KERN_EMERG "bootprog:  %lld\n",
+		(unsigned long long)fcp_block->ipl_info.fcp.bootprog);
+	printk(KERN_EMERG "br_lba:    %lld\n",
+		(unsigned long long)fcp_block->ipl_info.fcp.br_lba);
+	printk(KERN_EMERG "device:    %llx\n",
+		(unsigned long long)fcp_block->ipl_info.fcp.devno);
+	printk(KERN_EMERG "opt:       %x\n", fcp_block->ipl_info.fcp.opt);
+}
+
+void do_reipl(void)
+{
+	struct ccw_dev_id devid;
+	static char buf[100];
+
+	switch (reipl_type) {
+	case IPL_TYPE_CCW:
+		printk(KERN_EMERG "reboot on ccw device: 0.0.%04x\n",
+			reipl_block_ccw->ipl_info.ccw.devno);
+		break;
+	case IPL_TYPE_FCP:
+		printk(KERN_EMERG "reboot on fcp device:\n");
+		print_fcp_block(reipl_block_fcp);
+		break;
+	default:
+		break;
+	}
+
+	switch (reipl_method) {
+	case IPL_METHOD_CCW_CIO:
+		devid.devno = reipl_block_ccw->ipl_info.ccw.devno;
+		devid.ssid  = 0;
+		reipl_ccw_dev(&devid);
+		break;
+	case IPL_METHOD_CCW_VM:
+		sprintf(buf, "IPL %X", reipl_block_ccw->ipl_info.ccw.devno);
+		cpcmd(buf, NULL, 0, NULL);
+		break;
+	case IPL_METHOD_CCW_DIAG:
+		diag308(DIAG308_SET, reipl_block_ccw);
+		diag308(DIAG308_IPL, NULL);
+		break;
+	case IPL_METHOD_FCP_RW_DIAG:
+		diag308(DIAG308_SET, reipl_block_fcp);
+		diag308(DIAG308_IPL, NULL);
+		break;
+	case IPL_METHOD_FCP_RO_DIAG:
+		diag308(DIAG308_IPL, NULL);
+		break;
+	case IPL_METHOD_FCP_RO_VM:
+		cpcmd("IPL", NULL, 0, NULL);
+		break;
+	case IPL_METHOD_NONE:
+	default:
+		if (MACHINE_IS_VM)
+			cpcmd("IPL", NULL, 0, NULL);
+		diag308(DIAG308_IPL, NULL);
+		break;
+	}
+	panic("reipl failed!\n");
+}
+
+static void do_dump(void)
+{
+	struct ccw_dev_id devid;
+	static char buf[100];
+
+	switch (dump_type) {
+	case IPL_TYPE_CCW:
+		printk(KERN_EMERG "Automatic dump on ccw device: 0.0.%04x\n",
+		       dump_block_ccw->ipl_info.ccw.devno);
+		break;
+	case IPL_TYPE_FCP:
+		printk(KERN_EMERG "Automatic dump on fcp device:\n");
+		print_fcp_block(dump_block_fcp);
+		break;
+	default:
+		return;
+	}
+
+	switch (dump_method) {
+	case IPL_METHOD_CCW_CIO:
+		dump_smp_stop_all();
+		devid.devno = dump_block_ccw->ipl_info.ccw.devno;
+		devid.ssid  = 0;
+		reipl_ccw_dev(&devid);
+		break;
+	case IPL_METHOD_CCW_VM:
+		dump_smp_stop_all();
+		sprintf(buf, "STORE STATUS");
+		cpcmd(buf, NULL, 0, NULL);
+		sprintf(buf, "IPL %X", dump_block_ccw->ipl_info.ccw.devno);
+		cpcmd(buf, NULL, 0, NULL);
+		break;
+	case IPL_METHOD_CCW_DIAG:
+		diag308(DIAG308_SET, dump_block_ccw);
+		diag308(DIAG308_DUMP, NULL);
+		break;
+	case IPL_METHOD_FCP_RW_DIAG:
+		diag308(DIAG308_SET, dump_block_fcp);
+		diag308(DIAG308_DUMP, NULL);
+		break;
+	case IPL_METHOD_NONE:
+	default:
+		return;
+	}
+	printk(KERN_EMERG "Dump failed!\n");
+}
+
+/* init functions */
+
+static int __init ipl_register_fcp_files(void)
+{
+	int rc;
+
+	rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+				&ipl_fcp_attr_group);
+	if (rc)
+		goto out;
+	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+				   &ipl_parameter_attr);
+	if (rc)
+		goto out_ipl_parm;
+	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+				   &ipl_scp_data_attr);
+	if (!rc)
+		goto out;
+
+	sysfs_remove_bin_file(&ipl_subsys.kset.kobj, &ipl_parameter_attr);
+
+out_ipl_parm:
+	sysfs_remove_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
+out:
+	return rc;
+}
+
+static int __init ipl_init(void)
+{
+	int rc;
+
+	rc = firmware_register(&ipl_subsys);
+	if (rc)
+		return rc;
+	switch (ipl_get_type()) {
+	case IPL_TYPE_CCW:
+		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+					&ipl_ccw_attr_group);
+		break;
+	case IPL_TYPE_FCP:
+		rc = ipl_register_fcp_files();
+		break;
+	default:
+		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+					&ipl_unknown_attr_group);
+		break;
+	}
+	if (rc)
+		firmware_unregister(&ipl_subsys);
+	return rc;
+}
+
+static void __init reipl_probe(void)
+{
+	void *buffer;
+
+	buffer = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!buffer)
+		return;
+	if (diag308(DIAG308_STORE, buffer) == DIAG308_RC_OK)
+		diag308_set_works = 1;
+	free_page((unsigned long)buffer);
+}
+
+static int __init reipl_ccw_init(void)
+{
+	int rc;
+
+	reipl_block_ccw = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!reipl_block_ccw)
+		return -ENOMEM;
+	rc = sysfs_create_group(&reipl_subsys.kset.kobj, &reipl_ccw_attr_group);
+	if (rc) {
+		free_page((unsigned long)reipl_block_ccw);
+		return rc;
+	}
+	reipl_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN;
+	reipl_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION;
+	reipl_block_ccw->hdr.blk0_len = sizeof(reipl_block_ccw->ipl_info.ccw);
+	reipl_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW;
+	if (ipl_get_type() == IPL_TYPE_CCW)
+		reipl_block_ccw->ipl_info.ccw.devno = ipl_devno;
+	reipl_capabilities |= IPL_TYPE_CCW;
+	return 0;
+}
+
+static int __init reipl_fcp_init(void)
+{
+	int rc;
+
+	if ((!diag308_set_works) && (ipl_get_type() != IPL_TYPE_FCP))
+		return 0;
+	if ((!diag308_set_works) && (ipl_get_type() == IPL_TYPE_FCP))
+		make_attrs_ro(reipl_fcp_attrs);
+
+	reipl_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!reipl_block_fcp)
+		return -ENOMEM;
+	rc = sysfs_create_group(&reipl_subsys.kset.kobj, &reipl_fcp_attr_group);
+	if (rc) {
+		free_page((unsigned long)reipl_block_fcp);
+		return rc;
+	}
+	if (ipl_get_type() == IPL_TYPE_FCP) {
+		memcpy(reipl_block_fcp, IPL_PARMBLOCK_START, PAGE_SIZE);
+	} else {
+		reipl_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN;
+		reipl_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION;
+		reipl_block_fcp->hdr.blk0_len =
+			sizeof(reipl_block_fcp->ipl_info.fcp);
+		reipl_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP;
+		reipl_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_IPL;
+	}
+	reipl_capabilities |= IPL_TYPE_FCP;
+	return 0;
+}
+
+static int __init reipl_init(void)
+{
+	int rc;
+
+	rc = firmware_register(&reipl_subsys);
+	if (rc)
+		return rc;
+	rc = subsys_create_file(&reipl_subsys, &reipl_type_attr);
+	if (rc) {
+		firmware_unregister(&reipl_subsys);
+		return rc;
+	}
+	rc = reipl_ccw_init();
+	if (rc)
+		return rc;
+	rc = reipl_fcp_init();
+	if (rc)
+		return rc;
+	rc = reipl_set_type(ipl_get_type());
+	if (rc)
+		return rc;
+	return 0;
+}
+
+static int __init dump_ccw_init(void)
+{
+	int rc;
+
+	dump_block_ccw = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!dump_block_ccw)
+		return -ENOMEM;
+	rc = sysfs_create_group(&dump_subsys.kset.kobj, &dump_ccw_attr_group);
+	if (rc) {
+		free_page((unsigned long)dump_block_ccw);
+		return rc;
+	}
+	dump_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN;
+	dump_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION;
+	dump_block_ccw->hdr.blk0_len = sizeof(reipl_block_ccw->ipl_info.ccw);
+	dump_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW;
+	dump_capabilities |= IPL_TYPE_CCW;
+	return 0;
+}
+
+extern char s390_readinfo_sccb[];
+
+static int __init dump_fcp_init(void)
+{
+	int rc;
+
+	if(!(s390_readinfo_sccb[91] & 0x2))
+		return 0; /* LDIPL DUMP is not installed */
+	if (!diag308_set_works)
+		return 0;
+	dump_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!dump_block_fcp)
+		return -ENOMEM;
+	rc = sysfs_create_group(&dump_subsys.kset.kobj, &dump_fcp_attr_group);
+	if (rc) {
+		free_page((unsigned long)dump_block_fcp);
+		return rc;
+	}
+	dump_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN;
+	dump_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION;
+	dump_block_fcp->hdr.blk0_len = sizeof(dump_block_fcp->ipl_info.fcp);
+	dump_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP;
+	dump_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_DUMP;
+	dump_capabilities |= IPL_TYPE_FCP;
+	return 0;
+}
+
+#define SHUTDOWN_ON_PANIC_PRIO 0
+
+static int shutdown_on_panic_notify(struct notifier_block *self,
+				    unsigned long event, void *data)
+{
+	if (on_panic_action == SHUTDOWN_DUMP)
+		do_dump();
+	else if (on_panic_action == SHUTDOWN_REIPL)
+		do_reipl();
+	return NOTIFY_OK;
+}
+
+static struct notifier_block shutdown_on_panic_nb = {
+	.notifier_call = shutdown_on_panic_notify,
+	.priority = SHUTDOWN_ON_PANIC_PRIO
+};
+
+static int __init dump_init(void)
+{
+	int rc;
+
+	rc = firmware_register(&dump_subsys);
+	if (rc)
+		return rc;
+	rc = subsys_create_file(&dump_subsys, &dump_type_attr);
+	if (rc) {
+		firmware_unregister(&dump_subsys);
+		return rc;
+	}
+	rc = dump_ccw_init();
+	if (rc)
+		return rc;
+	rc = dump_fcp_init();
+	if (rc)
+		return rc;
+	dump_set_type(IPL_TYPE_NONE);
+	return 0;
+}
+
+static int __init shutdown_actions_init(void)
+{
+	int rc;
+
+	rc = firmware_register(&shutdown_actions_subsys);
+	if (rc)
+		return rc;
+	rc = subsys_create_file(&shutdown_actions_subsys, &on_panic_attr);
+	if (rc) {
+		firmware_unregister(&shutdown_actions_subsys);
+		return rc;
+	}
+	atomic_notifier_chain_register(&panic_notifier_list,
+				       &shutdown_on_panic_nb);
+	return 0;
+}
+
+static int __init s390_ipl_init(void)
+{
+	int rc;
+
+	reipl_probe();
+	rc = ipl_init();
+	if (rc)
+		return rc;
+	rc = reipl_init();
+	if (rc)
+		return rc;
+	rc = dump_init();
+	if (rc)
+		return rc;
+	rc = shutdown_actions_init();
+	if (rc)
+		return rc;
+	return 0;
+}
+
+__initcall(s390_ipl_init);
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
new file mode 100644
index 00000000000..ca28fb0b379
--- /dev/null
+++ b/arch/s390/kernel/kprobes.c
@@ -0,0 +1,657 @@
+/*
+ *  Kernel Probes (KProbes)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2002, 2006
+ *
+ * s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com>
+ */
+
+#include <linux/config.h>
+#include <linux/kprobes.h>
+#include <linux/ptrace.h>
+#include <linux/preempt.h>
+#include <linux/stop_machine.h>
+#include <asm/cacheflush.h>
+#include <asm/kdebug.h>
+#include <asm/sections.h>
+#include <asm/uaccess.h>
+#include <linux/module.h>
+
+DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
+DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
+
+int __kprobes arch_prepare_kprobe(struct kprobe *p)
+{
+	/* Make sure the probe isn't going on a difficult instruction */
+	if (is_prohibited_opcode((kprobe_opcode_t *) p->addr))
+		return -EINVAL;
+
+	if ((unsigned long)p->addr & 0x01) {
+		printk("Attempt to register kprobe at an unaligned address\n");
+		return -EINVAL;
+		}
+
+	/* Use the get_insn_slot() facility for correctness */
+	if (!(p->ainsn.insn = get_insn_slot()))
+		return -ENOMEM;
+
+	memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
+
+	get_instruction_type(&p->ainsn);
+	p->opcode = *p->addr;
+	return 0;
+}
+
+int __kprobes is_prohibited_opcode(kprobe_opcode_t *instruction)
+{
+	switch (*(__u8 *) instruction) {
+	case 0x0c:	/* bassm */
+	case 0x0b:	/* bsm	 */
+	case 0x83:	/* diag  */
+	case 0x44:	/* ex	 */
+		return -EINVAL;
+	}
+	switch (*(__u16 *) instruction) {
+	case 0x0101:	/* pr	 */
+	case 0xb25a:	/* bsa	 */
+	case 0xb240:	/* bakr  */
+	case 0xb258:	/* bsg	 */
+	case 0xb218:	/* pc	 */
+	case 0xb228:	/* pt	 */
+		return -EINVAL;
+	}
+	return 0;
+}
+
+void __kprobes get_instruction_type(struct arch_specific_insn *ainsn)
+{
+	/* default fixup method */
+	ainsn->fixup = FIXUP_PSW_NORMAL;
+
+	/* save r1 operand */
+	ainsn->reg = (*ainsn->insn & 0xf0) >> 4;
+
+	/* save the instruction length (pop 5-5) in bytes */
+	switch (*(__u8 *) (ainsn->insn) >> 4) {
+	case 0:
+		ainsn->ilen = 2;
+		break;
+	case 1:
+	case 2:
+		ainsn->ilen = 4;
+		break;
+	case 3:
+		ainsn->ilen = 6;
+		break;
+	}
+
+	switch (*(__u8 *) ainsn->insn) {
+	case 0x05:	/* balr	*/
+	case 0x0d:	/* basr */
+		ainsn->fixup = FIXUP_RETURN_REGISTER;
+		/* if r2 = 0, no branch will be taken */
+		if ((*ainsn->insn & 0x0f) == 0)
+			ainsn->fixup |= FIXUP_BRANCH_NOT_TAKEN;
+		break;
+	case 0x06:	/* bctr	*/
+	case 0x07:	/* bcr	*/
+		ainsn->fixup = FIXUP_BRANCH_NOT_TAKEN;
+		break;
+	case 0x45:	/* bal	*/
+	case 0x4d:	/* bas	*/
+		ainsn->fixup = FIXUP_RETURN_REGISTER;
+		break;
+	case 0x47:	/* bc	*/
+	case 0x46:	/* bct	*/
+	case 0x86:	/* bxh	*/
+	case 0x87:	/* bxle	*/
+		ainsn->fixup = FIXUP_BRANCH_NOT_TAKEN;
+		break;
+	case 0x82:	/* lpsw	*/
+		ainsn->fixup = FIXUP_NOT_REQUIRED;
+		break;
+	case 0xb2:	/* lpswe */
+		if (*(((__u8 *) ainsn->insn) + 1) == 0xb2) {
+			ainsn->fixup = FIXUP_NOT_REQUIRED;
+		}
+		break;
+	case 0xa7:	/* bras	*/
+		if ((*ainsn->insn & 0x0f) == 0x05) {
+			ainsn->fixup |= FIXUP_RETURN_REGISTER;
+		}
+		break;
+	case 0xc0:
+		if ((*ainsn->insn & 0x0f) == 0x00  /* larl  */
+			|| (*ainsn->insn & 0x0f) == 0x05) /* brasl */
+		ainsn->fixup |= FIXUP_RETURN_REGISTER;
+		break;
+	case 0xeb:
+		if (*(((__u8 *) ainsn->insn) + 5 ) == 0x44 ||	/* bxhg  */
+			*(((__u8 *) ainsn->insn) + 5) == 0x45) {/* bxleg */
+			ainsn->fixup = FIXUP_BRANCH_NOT_TAKEN;
+		}
+		break;
+	case 0xe3:	/* bctg	*/
+		if (*(((__u8 *) ainsn->insn) + 5) == 0x46) {
+			ainsn->fixup = FIXUP_BRANCH_NOT_TAKEN;
+		}
+		break;
+	}
+}
+
+static int __kprobes swap_instruction(void *aref)
+{
+	struct ins_replace_args *args = aref;
+	int err = -EFAULT;
+
+	asm volatile(
+		"0: mvc  0(2,%2),0(%3)\n"
+		"1: la   %0,0\n"
+		"2:\n"
+		EX_TABLE(0b,2b)
+		: "+d" (err), "=m" (*args->ptr)
+		: "a" (args->ptr), "a" (&args->new), "m" (args->new));
+	return err;
+}
+
+void __kprobes arch_arm_kprobe(struct kprobe *p)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	unsigned long status = kcb->kprobe_status;
+	struct ins_replace_args args;
+
+	args.ptr = p->addr;
+	args.old = p->opcode;
+	args.new = BREAKPOINT_INSTRUCTION;
+
+	kcb->kprobe_status = KPROBE_SWAP_INST;
+	stop_machine_run(swap_instruction, &args, NR_CPUS);
+	kcb->kprobe_status = status;
+}
+
+void __kprobes arch_disarm_kprobe(struct kprobe *p)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	unsigned long status = kcb->kprobe_status;
+	struct ins_replace_args args;
+
+	args.ptr = p->addr;
+	args.old = BREAKPOINT_INSTRUCTION;
+	args.new = p->opcode;
+
+	kcb->kprobe_status = KPROBE_SWAP_INST;
+	stop_machine_run(swap_instruction, &args, NR_CPUS);
+	kcb->kprobe_status = status;
+}
+
+void __kprobes arch_remove_kprobe(struct kprobe *p)
+{
+	mutex_lock(&kprobe_mutex);
+	free_insn_slot(p->ainsn.insn);
+	mutex_unlock(&kprobe_mutex);
+}
+
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+{
+	per_cr_bits kprobe_per_regs[1];
+
+	memset(kprobe_per_regs, 0, sizeof(per_cr_bits));
+	regs->psw.addr = (unsigned long)p->ainsn.insn | PSW_ADDR_AMODE;
+
+	/* Set up the per control reg info, will pass to lctl */
+	kprobe_per_regs[0].em_instruction_fetch = 1;
+	kprobe_per_regs[0].starting_addr = (unsigned long)p->ainsn.insn;
+	kprobe_per_regs[0].ending_addr = (unsigned long)p->ainsn.insn + 1;
+
+	/* Set the PER control regs, turns on single step for this address */
+	__ctl_load(kprobe_per_regs, 9, 11);
+	regs->psw.mask |= PSW_MASK_PER;
+	regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
+}
+
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
+{
+	kcb->prev_kprobe.kp = kprobe_running();
+	kcb->prev_kprobe.status = kcb->kprobe_status;
+	kcb->prev_kprobe.kprobe_saved_imask = kcb->kprobe_saved_imask;
+	memcpy(kcb->prev_kprobe.kprobe_saved_ctl, kcb->kprobe_saved_ctl,
+					sizeof(kcb->kprobe_saved_ctl));
+}
+
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+{
+	__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
+	kcb->kprobe_status = kcb->prev_kprobe.status;
+	kcb->kprobe_saved_imask = kcb->prev_kprobe.kprobe_saved_imask;
+	memcpy(kcb->kprobe_saved_ctl, kcb->prev_kprobe.kprobe_saved_ctl,
+					sizeof(kcb->kprobe_saved_ctl));
+}
+
+static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+						struct kprobe_ctlblk *kcb)
+{
+	__get_cpu_var(current_kprobe) = p;
+	/* Save the interrupt and per flags */
+	kcb->kprobe_saved_imask = regs->psw.mask &
+	    (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
+	/* Save the control regs that govern PER */
+	__ctl_store(kcb->kprobe_saved_ctl, 9, 11);
+}
+
+/* Called with kretprobe_lock held */
+void __kprobes arch_prepare_kretprobe(struct kretprobe *rp,
+					struct pt_regs *regs)
+{
+	struct kretprobe_instance *ri;
+
+	if ((ri = get_free_rp_inst(rp)) != NULL) {
+		ri->rp = rp;
+		ri->task = current;
+		ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14];
+
+		/* Replace the return addr with trampoline addr */
+		regs->gprs[14] = (unsigned long)&kretprobe_trampoline;
+
+		add_rp_inst(ri);
+	} else {
+		rp->nmissed++;
+	}
+}
+
+static int __kprobes kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *p;
+	int ret = 0;
+	unsigned long *addr = (unsigned long *)
+		((regs->psw.addr & PSW_ADDR_INSN) - 2);
+	struct kprobe_ctlblk *kcb;
+
+	/*
+	 * We don't want to be preempted for the entire
+	 * duration of kprobe processing
+	 */
+	preempt_disable();
+	kcb = get_kprobe_ctlblk();
+
+	/* Check we're not actually recursing */
+	if (kprobe_running()) {
+		p = get_kprobe(addr);
+		if (p) {
+			if (kcb->kprobe_status == KPROBE_HIT_SS &&
+			    *p->ainsn.insn == BREAKPOINT_INSTRUCTION) {
+				regs->psw.mask &= ~PSW_MASK_PER;
+				regs->psw.mask |= kcb->kprobe_saved_imask;
+				goto no_kprobe;
+			}
+			/* We have reentered the kprobe_handler(), since
+			 * another probe was hit while within the handler.
+			 * We here save the original kprobes variables and
+			 * just single step on the instruction of the new probe
+			 * without calling any user handlers.
+			 */
+			save_previous_kprobe(kcb);
+			set_current_kprobe(p, regs, kcb);
+			kprobes_inc_nmissed_count(p);
+			prepare_singlestep(p, regs);
+			kcb->kprobe_status = KPROBE_REENTER;
+			return 1;
+		} else {
+			p = __get_cpu_var(current_kprobe);
+			if (p->break_handler && p->break_handler(p, regs)) {
+				goto ss_probe;
+			}
+		}
+		goto no_kprobe;
+	}
+
+	p = get_kprobe(addr);
+	if (!p) {
+		if (*addr != BREAKPOINT_INSTRUCTION) {
+			/*
+			 * The breakpoint instruction was removed right
+			 * after we hit it.  Another cpu has removed
+			 * either a probepoint or a debugger breakpoint
+			 * at this address.  In either case, no further
+			 * handling of this interrupt is appropriate.
+			 *
+			 */
+			ret = 1;
+		}
+		/* Not one of ours: let kernel handle it */
+		goto no_kprobe;
+	}
+
+	kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+	set_current_kprobe(p, regs, kcb);
+	if (p->pre_handler && p->pre_handler(p, regs))
+		/* handler has already set things up, so skip ss setup */
+		return 1;
+
+ss_probe:
+	prepare_singlestep(p, regs);
+	kcb->kprobe_status = KPROBE_HIT_SS;
+	return 1;
+
+no_kprobe:
+	preempt_enable_no_resched();
+	return ret;
+}
+
+/*
+ * Function return probe trampoline:
+ *	- init_kprobes() establishes a probepoint here
+ *	- When the probed function returns, this probe
+ *		causes the handlers to fire
+ */
+void __kprobes kretprobe_trampoline_holder(void)
+{
+	asm volatile(".global kretprobe_trampoline\n"
+		     "kretprobe_trampoline: bcr 0,0\n");
+}
+
+/*
+ * Called when the probe at kretprobe trampoline is hit
+ */
+int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kretprobe_instance *ri = NULL;
+	struct hlist_head *head;
+	struct hlist_node *node, *tmp;
+	unsigned long flags, orig_ret_address = 0;
+	unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
+
+	spin_lock_irqsave(&kretprobe_lock, flags);
+	head = kretprobe_inst_table_head(current);
+
+	/*
+	 * It is possible to have multiple instances associated with a given
+	 * task either because an multiple functions in the call path
+	 * have a return probe installed on them, and/or more then one return
+	 * return probe was registered for a target function.
+	 *
+	 * We can handle this because:
+	 *     - instances are always inserted at the head of the list
+	 *     - when multiple return probes are registered for the same
+	 *	 function, the first instance's ret_addr will point to the
+	 *	 real return address, and all the rest will point to
+	 *	 kretprobe_trampoline
+	 */
+	hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+		if (ri->task != current)
+			/* another task is sharing our hash bucket */
+			continue;
+
+		if (ri->rp && ri->rp->handler)
+			ri->rp->handler(ri, regs);
+
+		orig_ret_address = (unsigned long)ri->ret_addr;
+		recycle_rp_inst(ri);
+
+		if (orig_ret_address != trampoline_address) {
+			/*
+			 * This is the real return address. Any other
+			 * instances associated with this task are for
+			 * other calls deeper on the call stack
+			 */
+			break;
+		}
+	}
+	BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address));
+	regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
+
+	reset_current_kprobe();
+	spin_unlock_irqrestore(&kretprobe_lock, flags);
+	preempt_enable_no_resched();
+
+	/*
+	 * By returning a non-zero value, we are telling
+	 * kprobe_handler() that we don't want the post_handler
+	 * to run (and have re-enabled preemption)
+	 */
+	return 1;
+}
+
+/*
+ * Called after single-stepping.  p->addr is the address of the
+ * instruction whose first byte has been replaced by the "breakpoint"
+ * instruction.  To avoid the SMP problems that can occur when we
+ * temporarily put back the original opcode to single-step, we
+ * single-stepped a copy of the instruction.  The address of this
+ * copy is p->ainsn.insn.
+ */
+static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	regs->psw.addr &= PSW_ADDR_INSN;
+
+	if (p->ainsn.fixup & FIXUP_PSW_NORMAL)
+		regs->psw.addr = (unsigned long)p->addr +
+				((unsigned long)regs->psw.addr -
+				 (unsigned long)p->ainsn.insn);
+
+	if (p->ainsn.fixup & FIXUP_BRANCH_NOT_TAKEN)
+		if ((unsigned long)regs->psw.addr -
+		    (unsigned long)p->ainsn.insn == p->ainsn.ilen)
+			regs->psw.addr = (unsigned long)p->addr + p->ainsn.ilen;
+
+	if (p->ainsn.fixup & FIXUP_RETURN_REGISTER)
+		regs->gprs[p->ainsn.reg] = ((unsigned long)p->addr +
+						(regs->gprs[p->ainsn.reg] -
+						(unsigned long)p->ainsn.insn))
+						| PSW_ADDR_AMODE;
+
+	regs->psw.addr |= PSW_ADDR_AMODE;
+	/* turn off PER mode */
+	regs->psw.mask &= ~PSW_MASK_PER;
+	/* Restore the original per control regs */
+	__ctl_load(kcb->kprobe_saved_ctl, 9, 11);
+	regs->psw.mask |= kcb->kprobe_saved_imask;
+}
+
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *cur = kprobe_running();
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	if (!cur)
+		return 0;
+
+	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {
+		kcb->kprobe_status = KPROBE_HIT_SSDONE;
+		cur->post_handler(cur, regs, 0);
+	}
+
+	resume_execution(cur, regs);
+
+	/*Restore back the original saved kprobes variables and continue. */
+	if (kcb->kprobe_status == KPROBE_REENTER) {
+		restore_previous_kprobe(kcb);
+		goto out;
+	}
+	reset_current_kprobe();
+out:
+	preempt_enable_no_resched();
+
+	/*
+	 * if somebody else is singlestepping across a probe point, psw mask
+	 * will have PER set, in which case, continue the remaining processing
+	 * of do_single_step, as if this is not a probe hit.
+	 */
+	if (regs->psw.mask & PSW_MASK_PER) {
+		return 0;
+	}
+
+	return 1;
+}
+
+static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+{
+	struct kprobe *cur = kprobe_running();
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	const struct exception_table_entry *entry;
+
+	switch(kcb->kprobe_status) {
+	case KPROBE_SWAP_INST:
+		/* We are here because the instruction replacement failed */
+		return 0;
+	case KPROBE_HIT_SS:
+	case KPROBE_REENTER:
+		/*
+		 * We are here because the instruction being single
+		 * stepped caused a page fault. We reset the current
+		 * kprobe and the nip points back to the probe address
+		 * and allow the page fault handler to continue as a
+		 * normal page fault.
+		 */
+		regs->psw.addr = (unsigned long)cur->addr | PSW_ADDR_AMODE;
+		regs->psw.mask &= ~PSW_MASK_PER;
+		regs->psw.mask |= kcb->kprobe_saved_imask;
+		if (kcb->kprobe_status == KPROBE_REENTER)
+			restore_previous_kprobe(kcb);
+		else
+			reset_current_kprobe();
+		preempt_enable_no_resched();
+		break;
+	case KPROBE_HIT_ACTIVE:
+	case KPROBE_HIT_SSDONE:
+		/*
+		 * We increment the nmissed count for accounting,
+		 * we can also use npre/npostfault count for accouting
+		 * these specific fault cases.
+		 */
+		kprobes_inc_nmissed_count(cur);
+
+		/*
+		 * We come here because instructions in the pre/post
+		 * handler caused the page_fault, this could happen
+		 * if handler tries to access user space by
+		 * copy_from_user(), get_user() etc. Let the
+		 * user-specified handler try to fix it first.
+		 */
+		if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
+			return 1;
+
+		/*
+		 * In case the user-specified fault handler returned
+		 * zero, try to fix up.
+		 */
+		entry = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN);
+		if (entry) {
+			regs->psw.addr = entry->fixup | PSW_ADDR_AMODE;
+			return 1;
+		}
+
+		/*
+		 * fixup_exception() could not handle it,
+		 * Let do_page_fault() fix it.
+		 */
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+/*
+ * Wrapper routine to for handling exceptions.
+ */
+int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
+				       unsigned long val, void *data)
+{
+	struct die_args *args = (struct die_args *)data;
+	int ret = NOTIFY_DONE;
+
+	switch (val) {
+	case DIE_BPT:
+		if (kprobe_handler(args->regs))
+			ret = NOTIFY_STOP;
+		break;
+	case DIE_SSTEP:
+		if (post_kprobe_handler(args->regs))
+			ret = NOTIFY_STOP;
+		break;
+	case DIE_TRAP:
+	case DIE_PAGE_FAULT:
+		/* kprobe_running() needs smp_processor_id() */
+		preempt_disable();
+		if (kprobe_running() &&
+		    kprobe_fault_handler(args->regs, args->trapnr))
+			ret = NOTIFY_STOP;
+		preempt_enable();
+		break;
+	default:
+		break;
+	}
+	return ret;
+}
+
+int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct jprobe *jp = container_of(p, struct jprobe, kp);
+	unsigned long addr;
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));
+
+	/* setup return addr to the jprobe handler routine */
+	regs->psw.addr = (unsigned long)(jp->entry) | PSW_ADDR_AMODE;
+
+	/* r14 is the function return address */
+	kcb->jprobe_saved_r14 = (unsigned long)regs->gprs[14];
+	/* r15 is the stack pointer */
+	kcb->jprobe_saved_r15 = (unsigned long)regs->gprs[15];
+	addr = (unsigned long)kcb->jprobe_saved_r15;
+
+	memcpy(kcb->jprobes_stack, (kprobe_opcode_t *) addr,
+	       MIN_STACK_SIZE(addr));
+	return 1;
+}
+
+void __kprobes jprobe_return(void)
+{
+	asm volatile(".word 0x0002");
+}
+
+void __kprobes jprobe_return_end(void)
+{
+	asm volatile("bcr 0,0");
+}
+
+int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	unsigned long stack_addr = (unsigned long)(kcb->jprobe_saved_r15);
+
+	/* Put the regs back */
+	memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs));
+	/* put the stack back */
+	memcpy((kprobe_opcode_t *) stack_addr, kcb->jprobes_stack,
+	       MIN_STACK_SIZE(stack_addr));
+	preempt_enable_no_resched();
+	return 1;
+}
+
+static struct kprobe trampoline_p = {
+	.addr = (kprobe_opcode_t *) & kretprobe_trampoline,
+	.pre_handler = trampoline_probe_handler
+};
+
+int __init arch_init_kprobes(void)
+{
+	return register_kprobe(&trampoline_p);
+}
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 658e5ac484f..4562cdbce8e 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -8,13 +8,30 @@
 
 #include <asm/lowcore.h>
 
-		.globl	do_reipl
-do_reipl:	basr	%r13,0
+		.globl	do_reipl_asm
+do_reipl_asm:	basr	%r13,0
 .Lpg0:		lpsw	.Lnewpsw-.Lpg0(%r13)
-.Lpg1:		lctl	%c6,%c6,.Lall-.Lpg0(%r13)
-                stctl   %c0,%c0,.Lctlsave-.Lpg0(%r13)
-                ni      .Lctlsave-.Lpg0(%r13),0xef
-                lctl    %c0,%c0,.Lctlsave-.Lpg0(%r13)
+
+		# switch off lowcore protection
+
+.Lpg1:		stctl	%c0,%c0,.Lctlsave1-.Lpg0(%r13)
+		stctl	%c0,%c0,.Lctlsave2-.Lpg0(%r13)
+		ni	.Lctlsave1-.Lpg0(%r13),0xef
+		lctl	%c0,%c0,.Lctlsave1-.Lpg0(%r13)
+
+		# do store status of all registers
+
+		stm	%r0,%r15,__LC_GPREGS_SAVE_AREA
+		stctl	%c0,%c15,__LC_CREGS_SAVE_AREA
+		mvc	__LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13)
+		stam	%a0,%a15,__LC_AREGS_SAVE_AREA
+		stpx	__LC_PREFIX_SAVE_AREA
+		stckc	.Lclkcmp-.Lpg0(%r13)
+		mvc	__LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)
+		stpt	__LC_CPU_TIMER_SAVE_AREA
+		st	%r13, __LC_PSW_SAVE_AREA+4
+
+		lctl	%c6,%c6,.Lall-.Lpg0(%r13)
                 lr      %r1,%r2
         	mvc     __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
                 stsch   .Lschib-.Lpg0(%r13)                                    
@@ -46,9 +63,11 @@ do_reipl:	basr	%r13,0
 .Ldisab:	st      %r14,.Ldispsw+4-.Lpg0(%r13)
 		lpsw	.Ldispsw-.Lpg0(%r13)
                 .align 	8
+.Lclkcmp:	.quad	0x0000000000000000
 .Lall:		.long	0xff000000
 .Lnull:		.long   0x00000000
-.Lctlsave:      .long   0x00000000
+.Lctlsave1:	.long	0x00000000
+.Lctlsave2:	.long	0x00000000
                 .align 	8
 .Lnewpsw:	.long   0x00080000,0x80000000+.Lpg1
 .Lpcnew:  	.long   0x00080000,0x80000000+.Lecs
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S
index 4d090d60f3e..95bd1e234f6 100644
--- a/arch/s390/kernel/reipl64.S
+++ b/arch/s390/kernel/reipl64.S
@@ -8,13 +8,30 @@
  */
 
 #include <asm/lowcore.h>
-		.globl	do_reipl
-do_reipl:	basr	%r13,0
-.Lpg0:		lpswe   .Lnewpsw-.Lpg0(%r13)
+		.globl	do_reipl_asm
+do_reipl_asm:	basr	%r13,0
+
+		# do store status of all registers
+
+.Lpg0:		stg	%r1,.Lregsave-.Lpg0(%r13)
+		lghi	%r1,0x1000
+		stmg	%r0,%r15,__LC_GPREGS_SAVE_AREA-0x1000(%r1)
+		lg	%r0,.Lregsave-.Lpg0(%r13)
+		stg	%r0,__LC_GPREGS_SAVE_AREA-0x1000+8(%r1)
+		stctg	%c0,%c15,__LC_CREGS_SAVE_AREA-0x1000(%r1)
+		stam	%a0,%a15,__LC_AREGS_SAVE_AREA-0x1000(%r1)
+		stpx	__LC_PREFIX_SAVE_AREA-0x1000(%r1)
+		stfpc	__LC_FP_CREG_SAVE_AREA-0x1000(%r1)
+		stckc	.Lclkcmp-.Lpg0(%r13)
+		mvc	__LC_CLOCK_COMP_SAVE_AREA-0x1000(8,%r1),.Lclkcmp-.Lpg0(%r13)
+		stpt	__LC_CPU_TIMER_SAVE_AREA-0x1000(%r1)
+		stg	%r13, __LC_PSW_SAVE_AREA-0x1000+8(%r1)
+
+		lpswe	.Lnewpsw-.Lpg0(%r13)
 .Lpg1:		lctlg	%c6,%c6,.Lall-.Lpg0(%r13)
-                stctg   %c0,%c0,.Lctlsave-.Lpg0(%r13)
-                ni      .Lctlsave+4-.Lpg0(%r13),0xef
-                lctlg   %c0,%c0,.Lctlsave-.Lpg0(%r13)
+		stctg	%c0,%c0,.Lregsave-.Lpg0(%r13)
+		ni	.Lregsave+4-.Lpg0(%r13),0xef
+		lctlg	%c0,%c0,.Lregsave-.Lpg0(%r13)
                 lgr     %r1,%r2
         	mvc     __LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13)
                 stsch   .Lschib-.Lpg0(%r13)                                    
@@ -50,8 +67,9 @@ do_reipl:	basr	%r13,0
 		st     %r14,.Ldispsw+12-.Lpg0(%r13)
 		lpswe	.Ldispsw-.Lpg0(%r13)
                 .align 	8
+.Lclkcmp:	.quad	0x0000000000000000
 .Lall:		.quad	0x00000000ff000000
-.Lctlsave:      .quad   0x0000000000000000
+.Lregsave:	.quad	0x0000000000000000
 .Lnull:		.long   0x0000000000000000
                 .align 	16
 /*
@@ -92,5 +110,3 @@ do_reipl:	basr	%r13,0
 		.long	0x00000000,0x00000000
 		.long	0x00000000,0x00000000
 	
-
-	
diff --git a/arch/s390/kernel/reipl_diag.c b/arch/s390/kernel/reipl_diag.c
deleted file mode 100644
index 1f33951ba43..00000000000
--- a/arch/s390/kernel/reipl_diag.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * This file contains the implementation of the
- * Linux re-IPL support
- *
- * (C) Copyright IBM Corp. 2005
- *
- * Author(s): Volker Sameske (sameske@de.ibm.com)
- *
- */
-
-#include <linux/kernel.h>
-
-static unsigned int reipl_diag_rc1;
-static unsigned int reipl_diag_rc2;
-
-/*
- * re-IPL the system using the last used IPL parameters
- */
-void reipl_diag(void)
-{
-        asm volatile (
-		"   la   %%r4,0\n"
-		"   la   %%r5,0\n"
-                "   diag %%r4,%2,0x308\n"
-                "0:\n"
-		"   st   %%r4,%0\n"
-		"   st   %%r5,%1\n"
-                ".section __ex_table,\"a\"\n"
-#ifdef CONFIG_64BIT
-                "   .align 8\n"
-                "   .quad 0b, 0b\n"
-#else
-                "   .align 4\n"
-                "   .long 0b, 0b\n"
-#endif
-                ".previous\n"
-                : "=m" (reipl_diag_rc1), "=m" (reipl_diag_rc2)
-		: "d" (3) : "cc", "4", "5" );
-}
diff --git a/arch/s390/kernel/s390_ksyms.c b/arch/s390/kernel/s390_ksyms.c
index c73a45467fa..9f19e833a56 100644
--- a/arch/s390/kernel/s390_ksyms.c
+++ b/arch/s390/kernel/s390_ksyms.c
@@ -25,12 +25,6 @@ EXPORT_SYMBOL(_oi_bitmap);
 EXPORT_SYMBOL(_ni_bitmap);
 EXPORT_SYMBOL(_zb_findmap);
 EXPORT_SYMBOL(_sb_findmap);
-EXPORT_SYMBOL(__copy_from_user_asm);
-EXPORT_SYMBOL(__copy_to_user_asm);
-EXPORT_SYMBOL(__copy_in_user_asm);
-EXPORT_SYMBOL(__clear_user_asm);
-EXPORT_SYMBOL(__strncpy_from_user_asm);
-EXPORT_SYMBOL(__strnlen_user_asm);
 EXPORT_SYMBOL(diag10);
 
 /*
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index c902f059c7a..e3d9325f602 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -37,6 +37,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/device.h>
 #include <linux/notifier.h>
+#include <linux/pfn.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -50,6 +51,12 @@
 #include <asm/sections.h>
 
 /*
+ * User copy operations.
+ */
+struct uaccess_ops uaccess;
+EXPORT_SYMBOL_GPL(uaccess);
+
+/*
  * Machine setup..
  */
 unsigned int console_mode = 0;
@@ -284,16 +291,9 @@ void (*_machine_power_off)(void) = machine_power_off_smp;
 /*
  * Reboot, halt and power_off routines for non SMP.
  */
-extern void reipl(unsigned long devno);
-extern void reipl_diag(void);
 static void do_machine_restart_nonsmp(char * __unused)
 {
-	reipl_diag();
-
-	if (MACHINE_IS_VM)
-		cpcmd ("IPL", NULL, 0, NULL);
-	else
-		reipl (0x10000 | S390_lowcore.ipl_device);
+	do_reipl();
 }
 
 static void do_machine_halt_nonsmp(void)
@@ -501,13 +501,47 @@ setup_memory(void)
 	 * partially used pages are not usable - thus
 	 * we are rounding upwards:
 	 */
-	start_pfn = (__pa(&_end) + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	end_pfn = max_pfn = memory_end >> PAGE_SHIFT;
+	start_pfn = PFN_UP(__pa(&_end));
+	end_pfn = max_pfn = PFN_DOWN(memory_end);
 
 	/* Initialize storage key for kernel pages */
 	for (init_pfn = 0 ; init_pfn < start_pfn; init_pfn++)
 		page_set_storage_key(init_pfn << PAGE_SHIFT, PAGE_DEFAULT_KEY);
 
+#ifdef CONFIG_BLK_DEV_INITRD
+	/*
+	 * Move the initrd in case the bitmap of the bootmem allocater
+	 * would overwrite it.
+	 */
+
+	if (INITRD_START && INITRD_SIZE) {
+		unsigned long bmap_size;
+		unsigned long start;
+
+		bmap_size = bootmem_bootmap_pages(end_pfn - start_pfn + 1);
+		bmap_size = PFN_PHYS(bmap_size);
+
+		if (PFN_PHYS(start_pfn) + bmap_size > INITRD_START) {
+			start = PFN_PHYS(start_pfn) + bmap_size + PAGE_SIZE;
+
+			if (start + INITRD_SIZE > memory_end) {
+				printk("initrd extends beyond end of memory "
+				       "(0x%08lx > 0x%08lx)\n"
+				       "disabling initrd\n",
+				       start + INITRD_SIZE, memory_end);
+				INITRD_START = INITRD_SIZE = 0;
+			} else {
+				printk("Moving initrd (0x%08lx -> 0x%08lx, "
+				       "size: %ld)\n",
+				       INITRD_START, start, INITRD_SIZE);
+				memmove((void *) start, (void *) INITRD_START,
+					INITRD_SIZE);
+				INITRD_START = start;
+			}
+		}
+	}
+#endif
+
 	/*
 	 * Initialize the boot-time allocator (with low memory only):
 	 */
@@ -559,7 +593,7 @@ setup_memory(void)
 	reserve_bootmem(start_pfn << PAGE_SHIFT, bootmap_size);
 
 #ifdef CONFIG_BLK_DEV_INITRD
-	if (INITRD_START) {
+	if (INITRD_START && INITRD_SIZE) {
 		if (INITRD_START + INITRD_SIZE <= memory_end) {
 			reserve_bootmem(INITRD_START, INITRD_SIZE);
 			initrd_start = INITRD_START;
@@ -613,6 +647,11 @@ setup_arch(char **cmdline_p)
 
 	memory_end = memory_size;
 
+	if (MACHINE_HAS_MVCOS)
+		memcpy(&uaccess, &uaccess_mvcos, sizeof(uaccess));
+	else
+		memcpy(&uaccess, &uaccess_std, sizeof(uaccess));
+
 	parse_early_param();
 
 #ifndef CONFIG_64BIT
@@ -720,214 +759,3 @@ struct seq_operations cpuinfo_op = {
 	.show	= show_cpuinfo,
 };
 
-#define DEFINE_IPL_ATTR(_name, _format, _value)			\
-static ssize_t ipl_##_name##_show(struct subsystem *subsys,	\
-		char *page)					\
-{								\
-	return sprintf(page, _format, _value);			\
-}								\
-static struct subsys_attribute ipl_##_name##_attr =		\
-	__ATTR(_name, S_IRUGO, ipl_##_name##_show, NULL);
-
-DEFINE_IPL_ATTR(wwpn, "0x%016llx\n", (unsigned long long)
-		IPL_PARMBLOCK_START->fcp.wwpn);
-DEFINE_IPL_ATTR(lun, "0x%016llx\n", (unsigned long long)
-		IPL_PARMBLOCK_START->fcp.lun);
-DEFINE_IPL_ATTR(bootprog, "%lld\n", (unsigned long long)
-		IPL_PARMBLOCK_START->fcp.bootprog);
-DEFINE_IPL_ATTR(br_lba, "%lld\n", (unsigned long long)
-		IPL_PARMBLOCK_START->fcp.br_lba);
-
-enum ipl_type_type {
-	ipl_type_unknown,
-	ipl_type_ccw,
-	ipl_type_fcp,
-};
-
-static enum ipl_type_type
-get_ipl_type(void)
-{
-	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
-
-	if (!IPL_DEVNO_VALID)
-		return ipl_type_unknown;
-	if (!IPL_PARMBLOCK_VALID)
-		return ipl_type_ccw;
-	if (ipl->hdr.header.version > IPL_MAX_SUPPORTED_VERSION)
-		return ipl_type_unknown;
-	if (ipl->fcp.pbt != IPL_TYPE_FCP)
-		return ipl_type_unknown;
-	return ipl_type_fcp;
-}
-
-static ssize_t
-ipl_type_show(struct subsystem *subsys, char *page)
-{
-	switch (get_ipl_type()) {
-	case ipl_type_ccw:
-		return sprintf(page, "ccw\n");
-	case ipl_type_fcp:
-		return sprintf(page, "fcp\n");
-	default:
-		return sprintf(page, "unknown\n");
-	}
-}
-
-static struct subsys_attribute ipl_type_attr = __ATTR_RO(ipl_type);
-
-static ssize_t
-ipl_device_show(struct subsystem *subsys, char *page)
-{
-	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
-
-	switch (get_ipl_type()) {
-	case ipl_type_ccw:
-		return sprintf(page, "0.0.%04x\n", ipl_devno);
-	case ipl_type_fcp:
-		return sprintf(page, "0.0.%04x\n", ipl->fcp.devno);
-	default:
-		return 0;
-	}
-}
-
-static struct subsys_attribute ipl_device_attr =
-	__ATTR(device, S_IRUGO, ipl_device_show, NULL);
-
-static struct attribute *ipl_fcp_attrs[] = {
-	&ipl_type_attr.attr,
-	&ipl_device_attr.attr,
-	&ipl_wwpn_attr.attr,
-	&ipl_lun_attr.attr,
-	&ipl_bootprog_attr.attr,
-	&ipl_br_lba_attr.attr,
-	NULL,
-};
-
-static struct attribute_group ipl_fcp_attr_group = {
-	.attrs = ipl_fcp_attrs,
-};
-
-static struct attribute *ipl_ccw_attrs[] = {
-	&ipl_type_attr.attr,
-	&ipl_device_attr.attr,
-	NULL,
-};
-
-static struct attribute_group ipl_ccw_attr_group = {
-	.attrs = ipl_ccw_attrs,
-};
-
-static struct attribute *ipl_unknown_attrs[] = {
-	&ipl_type_attr.attr,
-	NULL,
-};
-
-static struct attribute_group ipl_unknown_attr_group = {
-	.attrs = ipl_unknown_attrs,
-};
-
-static ssize_t
-ipl_parameter_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
-{
-	unsigned int size = IPL_PARMBLOCK_SIZE;
-
-	if (off > size)
-		return 0;
-	if (off + count > size)
-		count = size - off;
-
-	memcpy(buf, (void *) IPL_PARMBLOCK_START + off, count);
-	return count;
-}
-
-static struct bin_attribute ipl_parameter_attr = {
-	.attr = {
-		.name = "binary_parameter",
-		.mode = S_IRUGO,
-		.owner = THIS_MODULE,
-	},
-	.size = PAGE_SIZE,
-	.read = &ipl_parameter_read,
-};
-
-static ssize_t
-ipl_scp_data_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
-{
-	unsigned int size =  IPL_PARMBLOCK_START->fcp.scp_data_len;
-	void *scp_data = &IPL_PARMBLOCK_START->fcp.scp_data;
-
-	if (off > size)
-		return 0;
-	if (off + count > size)
-		count = size - off;
-
-	memcpy(buf, scp_data + off, count);
-	return count;
-}
-
-static struct bin_attribute ipl_scp_data_attr = {
-	.attr = {
-		.name = "scp_data",
-		.mode = S_IRUGO,
-		.owner = THIS_MODULE,
-	},
-	.size = PAGE_SIZE,
-	.read = &ipl_scp_data_read,
-};
-
-static decl_subsys(ipl, NULL, NULL);
-
-static int ipl_register_fcp_files(void)
-{
-	int rc;
-
-	rc = sysfs_create_group(&ipl_subsys.kset.kobj,
-				&ipl_fcp_attr_group);
-	if (rc)
-		goto out;
-	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-				   &ipl_parameter_attr);
-	if (rc)
-		goto out_ipl_parm;
-	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-				   &ipl_scp_data_attr);
-	if (!rc)
-		goto out;
-
-	sysfs_remove_bin_file(&ipl_subsys.kset.kobj, &ipl_parameter_attr);
-
-out_ipl_parm:
-	sysfs_remove_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
-out:
-	return rc;
-}
-
-static int __init
-ipl_device_sysfs_register(void) {
-	int rc;
-
-	rc = firmware_register(&ipl_subsys);
-	if (rc)
-		goto out;
-
-	switch (get_ipl_type()) {
-	case ipl_type_ccw:
-		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
-					&ipl_ccw_attr_group);
-		break;
-	case ipl_type_fcp:
-		rc = ipl_register_fcp_files();
-		break;
-	default:
-		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
-					&ipl_unknown_attr_group);
-		break;
-	}
-
-	if (rc)
-		firmware_unregister(&ipl_subsys);
-out:
-	return rc;
-}
-
-__initcall(ipl_device_sysfs_register);
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index a887b686f27..642095ec7c0 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -114,29 +114,26 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
 static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
 {
 	unsigned long old_mask = regs->psw.mask;
-	int err;
-  
+	_sigregs user_sregs;
+
 	save_access_regs(current->thread.acrs);
 
 	/* Copy a 'clean' PSW mask to the user to avoid leaking
 	   information about whether PER is currently on.  */
 	regs->psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask);
-	err = __copy_to_user(&sregs->regs.psw, &regs->psw,
-			     sizeof(sregs->regs.psw)+sizeof(sregs->regs.gprs));
+	memcpy(&user_sregs.regs.psw, &regs->psw, sizeof(sregs->regs.psw) +
+	       sizeof(sregs->regs.gprs));
 	regs->psw.mask = old_mask;
-	if (err != 0)
-		return err;
-	err = __copy_to_user(&sregs->regs.acrs, current->thread.acrs,
-			     sizeof(sregs->regs.acrs));
-	if (err != 0)
-		return err;
+	memcpy(&user_sregs.regs.acrs, current->thread.acrs,
+	       sizeof(sregs->regs.acrs));
 	/* 
 	 * We have to store the fp registers to current->thread.fp_regs
 	 * to merge them with the emulated registers.
 	 */
 	save_fp_regs(&current->thread.fp_regs);
-	return __copy_to_user(&sregs->fpregs, &current->thread.fp_regs,
-			      sizeof(s390_fp_regs));
+	memcpy(&user_sregs.fpregs, &current->thread.fp_regs,
+	       sizeof(s390_fp_regs));
+	return __copy_to_user(sregs, &user_sregs, sizeof(_sigregs));
 }
 
 /* Returns positive number on error */
@@ -144,27 +141,25 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
 {
 	unsigned long old_mask = regs->psw.mask;
 	int err;
+	_sigregs user_sregs;
 
 	/* Alwys make any pending restarted system call return -EINTR */
 	current_thread_info()->restart_block.fn = do_no_restart_syscall;
 
-	err = __copy_from_user(&regs->psw, &sregs->regs.psw,
-			       sizeof(sregs->regs.psw)+sizeof(sregs->regs.gprs));
+	err = __copy_from_user(&user_sregs, sregs, sizeof(_sigregs));
 	regs->psw.mask = PSW_MASK_MERGE(old_mask, regs->psw.mask);
 	regs->psw.addr |= PSW_ADDR_AMODE;
 	if (err)
 		return err;
-	err = __copy_from_user(&current->thread.acrs, &sregs->regs.acrs,
-			       sizeof(sregs->regs.acrs));
-	if (err)
-		return err;
+	memcpy(&regs->psw, &user_sregs.regs.psw, sizeof(sregs->regs.psw) +
+	       sizeof(sregs->regs.gprs));
+	memcpy(&current->thread.acrs, &user_sregs.regs.acrs,
+	       sizeof(sregs->regs.acrs));
 	restore_access_regs(current->thread.acrs);
 
-	err = __copy_from_user(&current->thread.fp_regs, &sregs->fpregs,
-			       sizeof(s390_fp_regs));
+	memcpy(&current->thread.fp_regs, &user_sregs.fpregs,
+	       sizeof(s390_fp_regs));
 	current->thread.fp_regs.fpc &= FPC_VALID_MASK;
-	if (err)
-		return err;
 
 	restore_fp_regs(&current->thread.fp_regs);
 	regs->trap = -1;	/* disable syscall checks */
@@ -457,6 +452,7 @@ void do_signal(struct pt_regs *regs)
 		case -ERESTART_RESTARTBLOCK:
 			regs->gprs[2] = -EINTR;
 		}
+		regs->trap = -1;	/* Don't deal with this again. */
 	}
 
 	/* Get signal to deliver.  When running under ptrace, at this point
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8e03219eea7..b2e6f4c8d38 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -59,9 +59,6 @@ static struct task_struct *current_set[NR_CPUS];
 extern char vmhalt_cmd[];
 extern char vmpoff_cmd[];
 
-extern void reipl(unsigned long devno);
-extern void reipl_diag(void);
-
 static void smp_ext_bitcall(int, ec_bit_sig);
 static void smp_ext_bitcall_others(ec_bit_sig);
 
@@ -279,12 +276,7 @@ static void do_machine_restart(void * __unused)
 	 * interrupted by an external interrupt and s390irq
 	 * locks are always held disabled).
 	 */
-	reipl_diag();
-
-	if (MACHINE_IS_VM)
-		cpcmd ("IPL", NULL, 0, NULL);
-	else
-		reipl (0x10000 | S390_lowcore.ipl_device);
+	do_reipl();
 }
 
 void machine_restart_smp(char * __unused) 
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index bde1d1d5985..c4982c96342 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -29,6 +29,7 @@
 #include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/reboot.h>
+#include <linux/kprobes.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -39,6 +40,7 @@
 #include <asm/s390_ext.h>
 #include <asm/lowcore.h>
 #include <asm/debug.h>
+#include <asm/kdebug.h>
 
 /* Called from entry.S only */
 extern void handle_per_exception(struct pt_regs *regs);
@@ -74,6 +76,20 @@ static int kstack_depth_to_print = 12;
 static int kstack_depth_to_print = 20;
 #endif /* CONFIG_64BIT */
 
+ATOMIC_NOTIFIER_HEAD(s390die_chain);
+
+int register_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&s390die_chain, nb);
+}
+EXPORT_SYMBOL(register_die_notifier);
+
+int unregister_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&s390die_chain, nb);
+}
+EXPORT_SYMBOL(unregister_die_notifier);
+
 /*
  * For show_trace we have tree different stack to consider:
  *   - the panic stack which is used if the kernel stack has overflown
@@ -305,8 +321,9 @@ report_user_fault(long interruption_code, struct pt_regs *regs)
 #endif
 }
 
-static void inline do_trap(long interruption_code, int signr, char *str,
-                           struct pt_regs *regs, siginfo_t *info)
+static void __kprobes inline do_trap(long interruption_code, int signr,
+					char *str, struct pt_regs *regs,
+					siginfo_t *info)
 {
 	/*
 	 * We got all needed information from the lowcore and can
@@ -315,6 +332,10 @@ static void inline do_trap(long interruption_code, int signr, char *str,
         if (regs->psw.mask & PSW_MASK_PSTATE)
 		local_irq_enable();
 
+	if (notify_die(DIE_TRAP, str, regs, interruption_code,
+				interruption_code, signr) == NOTIFY_STOP)
+		return;
+
         if (regs->psw.mask & PSW_MASK_PSTATE) {
                 struct task_struct *tsk = current;
 
@@ -336,8 +357,12 @@ static inline void __user *get_check_address(struct pt_regs *regs)
 	return (void __user *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
 }
 
-void do_single_step(struct pt_regs *regs)
+void __kprobes do_single_step(struct pt_regs *regs)
 {
+	if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0,
+					SIGTRAP) == NOTIFY_STOP){
+		return;
+	}
 	if ((current->ptrace & PT_PTRACED) != 0)
 		force_sig(SIGTRAP, current);
 }
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index ff5f7bb34f7..af9e69a0301 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -24,6 +24,7 @@ SECTIONS
 	*(.text)
 	SCHED_TEXT
 	LOCK_TEXT
+	KPROBES_TEXT
 	*(.fixup)
 	*(.gnu.warning)
 	} = 0x0700
@@ -117,7 +118,7 @@ SECTIONS
 
   /* Sections to be discarded */
   /DISCARD/ : {
-	*(.exitcall.exit)
+	*(.exit.text) *(.exit.data) *(.exitcall.exit)
 	}
 
   /* Stabs debugging sections.  */
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index e05d087a6ea..c42ffedfdb4 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -4,6 +4,6 @@
 
 EXTRA_AFLAGS := -traditional
 
-lib-y += delay.o string.o
-lib-y += $(if $(CONFIG_64BIT),uaccess64.o,uaccess.o)
+lib-y += delay.o string.o uaccess_std.o
+lib-$(CONFIG_64BIT) += uaccess_mvcos.o
 lib-$(CONFIG_SMP) += spinlock.o
diff --git a/arch/s390/lib/uaccess.S b/arch/s390/lib/uaccess.S
deleted file mode 100644
index 837275284d9..00000000000
--- a/arch/s390/lib/uaccess.S
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- *  arch/s390/lib/uaccess.S
- *    __copy_{from|to}_user functions.
- *
- *  s390
- *    Copyright (C) 2000,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Authors(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- *
- *  These functions have standard call interface
- */
-
-#include <linux/errno.h>
-#include <asm/lowcore.h>
-#include <asm/asm-offsets.h>
-
-        .text
-        .align 4
-        .globl __copy_from_user_asm
-	# %r2 = to, %r3 = n, %r4 = from
-__copy_from_user_asm:
-	slr	%r0,%r0
-0:	mvcp	0(%r3,%r2),0(%r4),%r0
-	jnz	1f
-	slr	%r2,%r2
-	br	%r14
-1:	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-	ahi	%r3,-256
-2:	mvcp	0(%r3,%r2),0(%r4),%r0
-	jnz	1b
-3:	slr	%r2,%r2
-	br	%r14
-4:	lhi	%r0,-4096
-	lr	%r5,%r4
-	slr	%r5,%r0
-	nr	%r5,%r0		# %r5 = (%r4 + 4096) & -4096
-	slr	%r5,%r4		# %r5 = #bytes to next user page boundary
-	clr	%r3,%r5		# copy crosses next page boundary ?
-	jnh	6f		# no, the current page faulted
-	# move with the reduced length which is < 256
-5:	mvcp	0(%r5,%r2),0(%r4),%r0
-	slr	%r3,%r5
-6:	lr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.long	0b,4b
-	.long	2b,4b
-	.long	5b,6b
-        .previous
-
-        .align 4
-        .text
-        .globl __copy_to_user_asm
-	# %r2 = from, %r3 = n, %r4 = to
-__copy_to_user_asm:
-	slr	%r0,%r0
-0:	mvcs	0(%r3,%r4),0(%r2),%r0
-	jnz	1f
-	slr	%r2,%r2
-	br	%r14
-1:	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-	ahi	%r3,-256
-2:	mvcs	0(%r3,%r4),0(%r2),%r0
-	jnz	1b
-3:	slr	%r2,%r2
-	br	%r14
-4:	lhi	%r0,-4096
-	lr	%r5,%r4
-	slr	%r5,%r0
-	nr	%r5,%r0		# %r5 = (%r4 + 4096) & -4096
-	slr	%r5,%r4		# %r5 = #bytes to next user page boundary
-	clr	%r3,%r5		# copy crosses next page boundary ?
-	jnh	6f		# no, the current page faulted
-	# move with the reduced length which is < 256
-5:	mvcs	0(%r5,%r4),0(%r2),%r0
-	slr	%r3,%r5
-6:	lr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.long	0b,4b
-	.long	2b,4b
-	.long	5b,6b
-        .previous
-
-        .align 4
-        .text
-        .globl __copy_in_user_asm
-	# %r2 = from, %r3 = n, %r4 = to
-__copy_in_user_asm:
-	ahi	%r3,-1
-	jo	6f
-	sacf	256
-	bras	%r1,4f
-0:	ahi	%r3,257
-1:	mvc	0(1,%r4),0(%r2)
-	la	%r2,1(%r2)
-	la	%r4,1(%r4)
-	ahi	%r3,-1
-	jnz	1b
-2:	lr	%r2,%r3
-	br	%r14
-3:	mvc	0(256,%r4),0(%r2)
-	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-4:	ahi	%r3,-256
-	jnm	3b
-5:	ex	%r3,4(%r1)
-	sacf	0
-6:	slr	%r2,%r2
-	br	%r14
-        .section __ex_table,"a"
-	.long	1b,2b
-	.long	3b,0b
-	.long	5b,0b
-        .previous
-
-        .align 4
-        .text
-        .globl __clear_user_asm
-	# %r2 = to, %r3 = n
-__clear_user_asm:
-	bras	%r5,0f
-	.long	empty_zero_page
-0:	l	%r5,0(%r5)
-	slr	%r0,%r0
-1:	mvcs	0(%r3,%r2),0(%r5),%r0
-	jnz	2f
-	slr	%r2,%r2
-	br	%r14
-2:	la	%r2,256(%r2)
-	ahi	%r3,-256
-3:	mvcs	0(%r3,%r2),0(%r5),%r0
-	jnz	2b
-4:	slr	%r2,%r2
-	br	%r14
-5:	lhi	%r0,-4096
-	lr	%r4,%r2
-	slr	%r4,%r0
-	nr	%r4,%r0		# %r4 = (%r2 + 4096) & -4096
-	slr	%r4,%r2		# %r4 = #bytes to next user page boundary
-	clr	%r3,%r4		# clear crosses next page boundary ?
-	jnh	7f		# no, the current page faulted
-	# clear with the reduced length which is < 256
-6:	mvcs	0(%r4,%r2),0(%r5),%r0
-	slr	%r3,%r4
-7:	lr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.long	1b,5b
-	.long	3b,5b
-	.long	6b,7b
-        .previous
-
-        .align 4
-        .text
-        .globl __strncpy_from_user_asm
-	# %r2 = count, %r3 = dst, %r4 = src
-__strncpy_from_user_asm:
-	lhi	%r0,0
-	lr	%r1,%r4
-	la	%r4,0(%r4)	# clear high order bit from %r4
-	la	%r2,0(%r2,%r4)	# %r2 points to first byte after string
-	sacf	256
-0:	srst	%r2,%r1
-	jo	0b
-	sacf	0
-	lr	%r1,%r2
-	jh	1f		# \0 found in string ?
-	ahi	%r1,1		# include \0 in copy
-1:	slr	%r1,%r4		# %r1 = copy length (without \0)
-	slr	%r2,%r4		# %r2 = return length (including \0)
-2:	mvcp	0(%r1,%r3),0(%r4),%r0
-	jnz	3f
-	br	%r14
-3:	la	%r3,256(%r3)
-	la	%r4,256(%r4)
-	ahi	%r1,-256
-	mvcp	0(%r1,%r3),0(%r4),%r0
-	jnz	3b
-	br	%r14
-4:	sacf	0
-	lhi	%r2,-EFAULT
-	br	%r14
-	.section __ex_table,"a"
-	.long	0b,4b
-	.previous
-
-        .align 4
-        .text
-        .globl __strnlen_user_asm
-	# %r2 = count, %r3 = src
-__strnlen_user_asm:
-	lhi	%r0,0
-	lr	%r1,%r3
-	la	%r3,0(%r3)	# clear high order bit from %r4
-	la	%r2,0(%r2,%r3)	# %r2 points to first byte after string
-	sacf	256
-0:	srst	%r2,%r1
-	jo	0b
-	sacf	0
-	ahi	%r2,1		# strnlen_user result includes the \0
-				# or return count+1 if \0 not found
-	slr	%r2,%r3
-	br	%r14
-2:	sacf	0
-	slr	%r2,%r2		# return 0 on exception
-	br	%r14
-	.section __ex_table,"a"
-	.long	0b,2b
-	.previous
diff --git a/arch/s390/lib/uaccess64.S b/arch/s390/lib/uaccess64.S
deleted file mode 100644
index 1f755be22f9..00000000000
--- a/arch/s390/lib/uaccess64.S
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- *  arch/s390x/lib/uaccess.S
- *    __copy_{from|to}_user functions.
- *
- *  s390
- *    Copyright (C) 2000,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Authors(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- *
- *  These functions have standard call interface
- */
-
-#include <linux/errno.h>
-#include <asm/lowcore.h>
-#include <asm/asm-offsets.h>
-
-        .text
-        .align 4
-        .globl __copy_from_user_asm
-	# %r2 = to, %r3 = n, %r4 = from
-__copy_from_user_asm:
-	slgr	%r0,%r0
-0:	mvcp	0(%r3,%r2),0(%r4),%r0
-	jnz	1f
-	slgr	%r2,%r2
-	br	%r14
-1:	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-	aghi	%r3,-256
-2:	mvcp	0(%r3,%r2),0(%r4),%r0
-	jnz	1b
-3:	slgr	%r2,%r2
-	br	%r14
-4:	lghi	%r0,-4096
-	lgr	%r5,%r4
-	slgr	%r5,%r0
-	ngr	%r5,%r0		# %r5 = (%r4 + 4096) & -4096
-	slgr	%r5,%r4		# %r5 = #bytes to next user page boundary
-	clgr	%r3,%r5		# copy crosses next page boundary ?
-	jnh	6f		# no, the current page faulted
-	# move with the reduced length which is < 256
-5:	mvcp	0(%r5,%r2),0(%r4),%r0
-	slgr	%r3,%r5
-6:	lgr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.quad	0b,4b
-	.quad	2b,4b
-	.quad	5b,6b
-        .previous
-
-        .align 4
-        .text
-        .globl __copy_to_user_asm
-	# %r2 = from, %r3 = n, %r4 = to
-__copy_to_user_asm:
-	slgr	%r0,%r0
-0:	mvcs	0(%r3,%r4),0(%r2),%r0
-	jnz	1f
-	slgr	%r2,%r2
-	br	%r14
-1:	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-	aghi	%r3,-256
-2:	mvcs	0(%r3,%r4),0(%r2),%r0
-	jnz	1b
-3:	slgr	%r2,%r2
-	br	%r14
-4:	lghi	%r0,-4096
-	lgr	%r5,%r4
-	slgr	%r5,%r0
-	ngr	%r5,%r0		# %r5 = (%r4 + 4096) & -4096
-	slgr	%r5,%r4		# %r5 = #bytes to next user page boundary
-	clgr	%r3,%r5		# copy crosses next page boundary ?
-	jnh	6f		# no, the current page faulted
-	# move with the reduced length which is < 256
-5:	mvcs	0(%r5,%r4),0(%r2),%r0
-	slgr	%r3,%r5
-6:	lgr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.quad	0b,4b
-	.quad	2b,4b
-	.quad	5b,6b
-        .previous
-
-        .align 4
-        .text
-        .globl __copy_in_user_asm
-	# %r2 = from, %r3 = n, %r4 = to
-__copy_in_user_asm:
-	aghi	%r3,-1
-	jo	6f
-	sacf	256
-	bras	%r1,4f
-0:	aghi	%r3,257
-1:	mvc	0(1,%r4),0(%r2)
-	la	%r2,1(%r2)
-	la	%r4,1(%r4)
-	aghi	%r3,-1
-	jnz	1b
-2:	lgr	%r2,%r3
-	br	%r14
-3:	mvc	0(256,%r4),0(%r2)
-	la	%r2,256(%r2)
-	la	%r4,256(%r4)
-4:	aghi	%r3,-256
-	jnm	3b
-5:	ex	%r3,4(%r1)
-	sacf	0
-6:	slgr	%r2,%r2
-	br	14
-        .section __ex_table,"a"
-	.quad	1b,2b
-	.quad	3b,0b
-	.quad	5b,0b
-        .previous
-
-        .align 4
-        .text
-        .globl __clear_user_asm
-	# %r2 = to, %r3 = n
-__clear_user_asm:
-	slgr	%r0,%r0
-	larl	%r5,empty_zero_page
-1:	mvcs	0(%r3,%r2),0(%r5),%r0
-	jnz	2f
-	slgr	%r2,%r2
-	br	%r14
-2:	la	%r2,256(%r2)
-	aghi	%r3,-256
-3:	mvcs	0(%r3,%r2),0(%r5),%r0
-	jnz	2b
-4:	slgr	%r2,%r2
-	br	%r14
-5:	lghi	%r0,-4096
-	lgr	%r4,%r2
-	slgr	%r4,%r0
-	ngr	%r4,%r0		# %r4 = (%r2 + 4096) & -4096
-	slgr	%r4,%r2		# %r4 = #bytes to next user page boundary
-	clgr	%r3,%r4		# clear crosses next page boundary ?
-	jnh	7f		# no, the current page faulted
-	# clear with the reduced length which is < 256
-6:	mvcs	0(%r4,%r2),0(%r5),%r0
-	slgr	%r3,%r4
-7:	lgr	%r2,%r3
-	br	%r14
-        .section __ex_table,"a"
-	.quad	1b,5b
-	.quad	3b,5b
-	.quad	6b,7b
-        .previous
-
-        .align 4
-        .text
-        .globl __strncpy_from_user_asm
-	# %r2 = count, %r3 = dst, %r4 = src
-__strncpy_from_user_asm:
-	lghi	%r0,0
-	lgr	%r1,%r4
-	la	%r2,0(%r2,%r4)	# %r2 points to first byte after string
-	sacf	256
-0:	srst	%r2,%r1
-	jo	0b
-	sacf	0
-	lgr	%r1,%r2
-	jh	1f		# \0 found in string ?
-	aghi	%r1,1		# include \0 in copy
-1:	slgr	%r1,%r4		# %r1 = copy length (without \0)
-	slgr	%r2,%r4		# %r2 = return length (including \0)
-2:	mvcp	0(%r1,%r3),0(%r4),%r0
-	jnz	3f
-	br	%r14
-3:	la	%r3,256(%r3)
-	la	%r4,256(%r4)
-	aghi	%r1,-256
-	mvcp	0(%r1,%r3),0(%r4),%r0
-	jnz	3b
-	br	%r14
-4:	sacf	0
-	lghi	%r2,-EFAULT
-	br	%r14
-	.section __ex_table,"a"
-	.quad	0b,4b
-	.previous
-
-        .align 4
-        .text
-        .globl __strnlen_user_asm
-	# %r2 = count, %r3 = src
-__strnlen_user_asm:
-	lghi	%r0,0
-	lgr	%r1,%r3
-	la	%r2,0(%r2,%r3)	# %r2 points to first byte after string
-	sacf	256
-0:	srst	%r2,%r1
-	jo	0b
-	sacf	0
-	aghi	%r2,1		# strnlen_user result includes the \0
-				# or return count+1 if \0 not found
-	slgr	%r2,%r3
-	br	%r14
-2:	sacf	0
-	slgr	%r2,%r2		# return 0 on exception
-	br	%r14
-	.section __ex_table,"a"
-	.quad	0b,2b
-	.previous
diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c
new file mode 100644
index 00000000000..86c96d6c191
--- /dev/null
+++ b/arch/s390/lib/uaccess_mvcos.c
@@ -0,0 +1,156 @@
+/*
+ *  arch/s390/lib/uaccess_mvcos.c
+ *
+ *  Optimized user space space access functions based on mvcos.
+ *
+ *    Copyright (C) IBM Corp. 2006
+ *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ *		 Gerald Schaefer (gerald.schaefer@de.ibm.com)
+ */
+
+#include <linux/errno.h>
+#include <linux/mm.h>
+#include <asm/uaccess.h>
+#include <asm/futex.h>
+
+#ifndef __s390x__
+#define AHI	"ahi"
+#define ALR	"alr"
+#define CLR	"clr"
+#define LHI	"lhi"
+#define SLR	"slr"
+#else
+#define AHI	"aghi"
+#define ALR	"algr"
+#define CLR	"clgr"
+#define LHI	"lghi"
+#define SLR	"slgr"
+#endif
+
+size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
+{
+	register unsigned long reg0 asm("0") = 0x81UL;
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -4096UL;
+	asm volatile(
+		"0: .insn ss,0xc80000000000,0(%0,%2),0(%1),0\n"
+		"   jz    4f\n"
+		"1:"ALR"  %0,%3\n"
+		"  "SLR"  %1,%3\n"
+		"  "SLR"  %2,%3\n"
+		"   j     0b\n"
+		"2: la    %4,4095(%1)\n"/* %4 = ptr + 4095 */
+		"   nr    %4,%3\n"	/* %4 = (ptr + 4095) & -4096 */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   5f\n"
+		"3: .insn ss,0xc80000000000,0(%4,%2),0(%1),0\n"
+		"  "SLR"  %0,%4\n"
+		"   j     5f\n"
+		"4:"SLR"  %0,%0\n"
+		"5: \n"
+		EX_TABLE(0b,2b) EX_TABLE(3b,5b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: "d" (reg0) : "cc", "memory");
+	return size;
+}
+
+size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x)
+{
+	register unsigned long reg0 asm("0") = 0x810000UL;
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -4096UL;
+	asm volatile(
+		"0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n"
+		"   jz    4f\n"
+		"1:"ALR"  %0,%3\n"
+		"  "SLR"  %1,%3\n"
+		"  "SLR"  %2,%3\n"
+		"   j     0b\n"
+		"2: la    %4,4095(%1)\n"/* %4 = ptr + 4095 */
+		"   nr    %4,%3\n"	/* %4 = (ptr + 4095) & -4096 */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   5f\n"
+		"3: .insn ss,0xc80000000000,0(%4,%1),0(%2),0\n"
+		"  "SLR"  %0,%4\n"
+		"   j     5f\n"
+		"4:"SLR"  %0,%0\n"
+		"5: \n"
+		EX_TABLE(0b,2b) EX_TABLE(3b,5b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: "d" (reg0) : "cc", "memory");
+	return size;
+}
+
+size_t copy_in_user_mvcos(size_t size, void __user *to, const void __user *from)
+{
+	register unsigned long reg0 asm("0") = 0x810081UL;
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -4096UL;
+	/* FIXME: copy with reduced length. */
+	asm volatile(
+		"0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n"
+		"   jz    2f\n"
+		"1:"ALR"  %0,%3\n"
+		"  "SLR"  %1,%3\n"
+		"  "SLR"  %2,%3\n"
+		"   j     0b\n"
+		"2:"SLR"  %0,%0\n"
+		"3: \n"
+		EX_TABLE(0b,3b)
+		: "+a" (size), "+a" (to), "+a" (from), "+a" (tmp1), "=a" (tmp2)
+		: "d" (reg0) : "cc", "memory");
+	return size;
+}
+
+size_t clear_user_mvcos(size_t size, void __user *to)
+{
+	register unsigned long reg0 asm("0") = 0x810000UL;
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -4096UL;
+	asm volatile(
+		"0: .insn ss,0xc80000000000,0(%0,%1),0(%4),0\n"
+		"   jz    4f\n"
+		"1:"ALR"  %0,%2\n"
+		"  "SLR"  %1,%2\n"
+		"   j     0b\n"
+		"2: la    %3,4095(%1)\n"/* %4 = to + 4095 */
+		"   nr    %3,%2\n"	/* %4 = (to + 4095) & -4096 */
+		"  "SLR"  %3,%1\n"
+		"  "CLR"  %0,%3\n"	/* copy crosses next page boundary? */
+		"   jnh   5f\n"
+		"3: .insn ss,0xc80000000000,0(%3,%1),0(%4),0\n"
+		"  "SLR"  %0,%3\n"
+		"   j     5f\n"
+		"4:"SLR"  %0,%0\n"
+		"5: \n"
+		EX_TABLE(0b,2b) EX_TABLE(3b,5b)
+		: "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2)
+		: "a" (empty_zero_page), "d" (reg0) : "cc", "memory");
+	return size;
+}
+
+extern size_t copy_from_user_std_small(size_t, const void __user *, void *);
+extern size_t copy_to_user_std_small(size_t, void __user *, const void *);
+extern size_t strnlen_user_std(size_t, const char __user *);
+extern size_t strncpy_from_user_std(size_t, const char __user *, char *);
+extern int futex_atomic_op(int, int __user *, int, int *);
+extern int futex_atomic_cmpxchg(int __user *, int, int);
+
+struct uaccess_ops uaccess_mvcos = {
+	.copy_from_user = copy_from_user_mvcos,
+	.copy_from_user_small = copy_from_user_std_small,
+	.copy_to_user = copy_to_user_mvcos,
+	.copy_to_user_small = copy_to_user_std_small,
+	.copy_in_user = copy_in_user_mvcos,
+	.clear_user = clear_user_mvcos,
+	.strnlen_user = strnlen_user_std,
+	.strncpy_from_user = strncpy_from_user_std,
+	.futex_atomic_op = futex_atomic_op,
+	.futex_atomic_cmpxchg = futex_atomic_cmpxchg,
+};
diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c
new file mode 100644
index 00000000000..9a4d4a29ea7
--- /dev/null
+++ b/arch/s390/lib/uaccess_std.c
@@ -0,0 +1,340 @@
+/*
+ *  arch/s390/lib/uaccess_std.c
+ *
+ *  Standard user space access functions based on mvcp/mvcs and doing
+ *  interesting things in the secondary space mode.
+ *
+ *    Copyright (C) IBM Corp. 2006
+ *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ *		 Gerald Schaefer (gerald.schaefer@de.ibm.com)
+ */
+
+#include <linux/errno.h>
+#include <linux/mm.h>
+#include <asm/uaccess.h>
+#include <asm/futex.h>
+
+#ifndef __s390x__
+#define AHI	"ahi"
+#define ALR	"alr"
+#define CLR	"clr"
+#define LHI	"lhi"
+#define SLR	"slr"
+#else
+#define AHI	"aghi"
+#define ALR	"algr"
+#define CLR	"clgr"
+#define LHI	"lghi"
+#define SLR	"slgr"
+#endif
+
+size_t copy_from_user_std(size_t size, const void __user *ptr, void *x)
+{
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -256UL;
+	asm volatile(
+		"0: mvcp  0(%0,%2),0(%1),%3\n"
+		"   jz    5f\n"
+		"1:"ALR"  %0,%3\n"
+		"   la    %1,256(%1)\n"
+		"   la    %2,256(%2)\n"
+		"2: mvcp  0(%0,%2),0(%1),%3\n"
+		"   jnz   1b\n"
+		"   j     5f\n"
+		"3: la    %4,255(%1)\n"	/* %4 = ptr + 255 */
+		"  "LHI"  %3,-4096\n"
+		"   nr    %4,%3\n"	/* %4 = (ptr + 255) & -4096 */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   6f\n"
+		"4: mvcp  0(%4,%2),0(%1),%3\n"
+		"  "SLR"  %0,%4\n"
+		"   j     6f\n"
+		"5:"SLR"  %0,%0\n"
+		"6: \n"
+		EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,6b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t copy_from_user_std_small(size_t size, const void __user *ptr, void *x)
+{
+	unsigned long tmp1, tmp2;
+
+	tmp1 = 0UL;
+	asm volatile(
+		"0: mvcp  0(%0,%2),0(%1),%3\n"
+		"  "SLR"  %0,%0\n"
+		"   j     3f\n"
+		"1: la    %4,255(%1)\n" /* %4 = ptr + 255 */
+		"  "LHI"  %3,-4096\n"
+		"   nr    %4,%3\n"	/* %4 = (ptr + 255) & -4096 */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   3f\n"
+		"2: mvcp  0(%4,%2),0(%1),%3\n"
+		"  "SLR"  %0,%4\n"
+		"3:\n"
+		EX_TABLE(0b,1b) EX_TABLE(2b,3b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t copy_to_user_std(size_t size, void __user *ptr, const void *x)
+{
+	unsigned long tmp1, tmp2;
+
+	tmp1 = -256UL;
+	asm volatile(
+		"0: mvcs  0(%0,%1),0(%2),%3\n"
+		"   jz    5f\n"
+		"1:"ALR"  %0,%3\n"
+		"   la    %1,256(%1)\n"
+		"   la    %2,256(%2)\n"
+		"2: mvcs  0(%0,%1),0(%2),%3\n"
+		"   jnz   1b\n"
+		"   j     5f\n"
+		"3: la    %4,255(%1)\n" /* %4 = ptr + 255 */
+		"  "LHI"  %3,-4096\n"
+		"   nr    %4,%3\n"	/* %4 = (ptr + 255) & -4096 */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   6f\n"
+		"4: mvcs  0(%4,%1),0(%2),%3\n"
+		"  "SLR"  %0,%4\n"
+		"   j     6f\n"
+		"5:"SLR"  %0,%0\n"
+		"6: \n"
+		EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,6b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t copy_to_user_std_small(size_t size, void __user *ptr, const void *x)
+{
+	unsigned long tmp1, tmp2;
+
+	tmp1 = 0UL;
+	asm volatile(
+		"0: mvcs  0(%0,%1),0(%2),%3\n"
+		"  "SLR"  %0,%0\n"
+		"   j     3f\n"
+		"1: la    %4,255(%1)\n" /* ptr + 255 */
+		"  "LHI"  %3,-4096\n"
+		"   nr    %4,%3\n"	/* (ptr + 255) & -4096UL */
+		"  "SLR"  %4,%1\n"
+		"  "CLR"  %0,%4\n"	/* copy crosses next page boundary? */
+		"   jnh   3f\n"
+		"2: mvcs  0(%4,%1),0(%2),%3\n"
+		"  "SLR"  %0,%4\n"
+		"3:\n"
+		EX_TABLE(0b,1b) EX_TABLE(2b,3b)
+		: "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t copy_in_user_std(size_t size, void __user *to, const void __user *from)
+{
+	unsigned long tmp1;
+
+	asm volatile(
+		"  "AHI"  %0,-1\n"
+		"   jo    5f\n"
+		"   sacf  256\n"
+		"   bras  %3,3f\n"
+		"0:"AHI"  %0,257\n"
+		"1: mvc   0(1,%1),0(%2)\n"
+		"   la    %1,1(%1)\n"
+		"   la    %2,1(%2)\n"
+		"  "AHI"  %0,-1\n"
+		"   jnz   1b\n"
+		"   j     5f\n"
+		"2: mvc   0(256,%1),0(%2)\n"
+		"   la    %1,256(%1)\n"
+		"   la    %2,256(%2)\n"
+		"3:"AHI"  %0,-256\n"
+		"   jnm   2b\n"
+		"4: ex    %0,1b-0b(%3)\n"
+		"   sacf  0\n"
+		"5: "SLR"  %0,%0\n"
+		"6:\n"
+		EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b)
+		: "+a" (size), "+a" (to), "+a" (from), "=a" (tmp1)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t clear_user_std(size_t size, void __user *to)
+{
+	unsigned long tmp1, tmp2;
+
+	asm volatile(
+		"  "AHI"  %0,-1\n"
+		"   jo    5f\n"
+		"   sacf  256\n"
+		"   bras  %3,3f\n"
+		"   xc    0(1,%1),0(%1)\n"
+		"0:"AHI"  %0,257\n"
+		"   la    %2,255(%1)\n" /* %2 = ptr + 255 */
+		"   srl   %2,12\n"
+		"   sll   %2,12\n"	/* %2 = (ptr + 255) & -4096 */
+		"  "SLR"  %2,%1\n"
+		"  "CLR"  %0,%2\n"	/* clear crosses next page boundary? */
+		"   jnh   5f\n"
+		"  "AHI"  %2,-1\n"
+		"1: ex    %2,0(%3)\n"
+		"  "AHI"  %2,1\n"
+		"  "SLR"  %0,%2\n"
+		"   j     5f\n"
+		"2: xc    0(256,%1),0(%1)\n"
+		"   la    %1,256(%1)\n"
+		"3:"AHI"  %0,-256\n"
+		"   jnm   2b\n"
+		"4: ex    %0,0(%3)\n"
+		"   sacf  0\n"
+		"5: "SLR"  %0,%0\n"
+		"6:\n"
+		EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b)
+		: "+a" (size), "+a" (to), "=a" (tmp1), "=a" (tmp2)
+		: : "cc", "memory");
+	return size;
+}
+
+size_t strnlen_user_std(size_t size, const char __user *src)
+{
+	register unsigned long reg0 asm("0") = 0UL;
+	unsigned long tmp1, tmp2;
+
+	asm volatile(
+		"   la    %2,0(%1)\n"
+		"   la    %3,0(%0,%1)\n"
+		"  "SLR"  %0,%0\n"
+		"   sacf  256\n"
+		"0: srst  %3,%2\n"
+		"   jo    0b\n"
+		"   la    %0,1(%3)\n"	/* strnlen_user results includes \0 */
+		"  "SLR"  %0,%1\n"
+		"1: sacf  0\n"
+		EX_TABLE(0b,1b)
+		: "+a" (size), "+a" (src), "=a" (tmp1), "=a" (tmp2)
+		: "d" (reg0) : "cc", "memory");
+	return size;
+}
+
+size_t strncpy_from_user_std(size_t size, const char __user *src, char *dst)
+{
+	register unsigned long reg0 asm("0") = 0UL;
+	unsigned long tmp1, tmp2;
+
+	asm volatile(
+		"   la    %3,0(%1)\n"
+		"   la    %4,0(%0,%1)\n"
+		"   sacf  256\n"
+		"0: srst  %4,%3\n"
+		"   jo    0b\n"
+		"   sacf  0\n"
+		"   la    %0,0(%4)\n"
+		"   jh    1f\n"		/* found \0 in string ? */
+		"  "AHI"  %4,1\n"	/* include \0 in copy */
+		"1:"SLR"  %0,%1\n"	/* %0 = return length (without \0) */
+		"  "SLR"  %4,%1\n"	/* %4 = copy length (including \0) */
+		"2: mvcp  0(%4,%2),0(%1),%5\n"
+		"   jz    9f\n"
+		"3:"AHI"  %4,-256\n"
+		"   la    %1,256(%1)\n"
+		"   la    %2,256(%2)\n"
+		"4: mvcp  0(%4,%2),0(%1),%5\n"
+		"   jnz   3b\n"
+		"   j     9f\n"
+		"7: sacf  0\n"
+		"8:"LHI"  %0,%6\n"
+		"9:\n"
+		EX_TABLE(0b,7b) EX_TABLE(2b,8b) EX_TABLE(4b,8b)
+		: "+a" (size), "+a" (src), "+d" (dst), "=a" (tmp1), "=a" (tmp2)
+		: "d" (reg0), "K" (-EFAULT) : "cc", "memory");
+	return size;
+}
+
+#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg)	\
+	asm volatile(							\
+		"   sacf  256\n"					\
+		"0: l     %1,0(%6)\n"					\
+		"1:"insn						\
+		"2: cs    %1,%2,0(%6)\n"				\
+		"3: jl    1b\n"						\
+		"   lhi   %0,0\n"					\
+		"4: sacf  0\n"						\
+		EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b)		\
+		: "=d" (ret), "=&d" (oldval), "=&d" (newval),		\
+		  "=m" (*uaddr)						\
+		: "0" (-EFAULT), "d" (oparg), "a" (uaddr),		\
+		  "m" (*uaddr) : "cc");
+
+int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old)
+{
+	int oldval = 0, newval, ret;
+
+	inc_preempt_count();
+
+	switch (op) {
+	case FUTEX_OP_SET:
+		__futex_atomic_op("lr %2,%5\n",
+				  ret, oldval, newval, uaddr, oparg);
+		break;
+	case FUTEX_OP_ADD:
+		__futex_atomic_op("lr %2,%1\nar %2,%5\n",
+				  ret, oldval, newval, uaddr, oparg);
+		break;
+	case FUTEX_OP_OR:
+		__futex_atomic_op("lr %2,%1\nor %2,%5\n",
+				  ret, oldval, newval, uaddr, oparg);
+		break;
+	case FUTEX_OP_ANDN:
+		__futex_atomic_op("lr %2,%1\nnr %2,%5\n",
+				  ret, oldval, newval, uaddr, oparg);
+		break;
+	case FUTEX_OP_XOR:
+		__futex_atomic_op("lr %2,%1\nxr %2,%5\n",
+				  ret, oldval, newval, uaddr, oparg);
+		break;
+	default:
+		ret = -ENOSYS;
+	}
+	dec_preempt_count();
+	*old = oldval;
+	return ret;
+}
+
+int futex_atomic_cmpxchg(int __user *uaddr, int oldval, int newval)
+{
+	int ret;
+
+	asm volatile(
+		"   sacf 256\n"
+		"   cs   %1,%4,0(%5)\n"
+		"0: lr   %0,%1\n"
+		"1: sacf 0\n"
+		EX_TABLE(0b,1b)
+		: "=d" (ret), "+d" (oldval), "=m" (*uaddr)
+		: "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr)
+		: "cc", "memory" );
+	return ret;
+}
+
+struct uaccess_ops uaccess_std = {
+	.copy_from_user = copy_from_user_std,
+	.copy_from_user_small = copy_from_user_std_small,
+	.copy_to_user = copy_to_user_std,
+	.copy_to_user_small = copy_to_user_std_small,
+	.copy_in_user = copy_in_user_std,
+	.clear_user = clear_user_std,
+	.strnlen_user = strnlen_user_std,
+	.strncpy_from_user = strncpy_from_user_std,
+	.futex_atomic_op = futex_atomic_op,
+	.futex_atomic_cmpxchg = futex_atomic_cmpxchg,
+};
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index ceea51cff03..786a44dba5b 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -53,22 +53,6 @@ static void cmm_timer_fn(unsigned long);
 static void cmm_set_timer(void);
 
 static long
-cmm_strtoul(const char *cp, char **endp)
-{
-	unsigned int base = 10;
-
-	if (*cp == '0') {
-		base = 8;
-		cp++;
-		if ((*cp == 'x' || *cp == 'X') && isxdigit(cp[1])) {
-			base = 16;
-			cp++;
-		}
-	}
-	return simple_strtoul(cp, endp, base);
-}
-
-static long
 cmm_alloc_pages(long pages, long *counter, struct cmm_page_array **list)
 {
 	struct cmm_page_array *pa;
@@ -276,7 +260,7 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
 			return -EFAULT;
 		buf[sizeof(buf) - 1] = '\0';
 		cmm_skip_blanks(buf, &p);
-		pages = cmm_strtoul(p, &p);
+		pages = simple_strtoul(p, &p, 0);
 		if (ctl == &cmm_table[0])
 			cmm_set_pages(pages);
 		else
@@ -317,9 +301,9 @@ cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
 			return -EFAULT;
 		buf[sizeof(buf) - 1] = '\0';
 		cmm_skip_blanks(buf, &p);
-		pages = cmm_strtoul(p, &p);
+		pages = simple_strtoul(p, &p, 0);
 		cmm_skip_blanks(p, &p);
-		seconds = cmm_strtoul(p, &p);
+		seconds = simple_strtoul(p, &p, 0);
 		cmm_set_timeout(pages, seconds);
 	} else {
 		len = sprintf(buf, "%ld %ld\n",
@@ -382,24 +366,24 @@ cmm_smsg_target(char *from, char *msg)
 	if (strncmp(msg, "SHRINK", 6) == 0) {
 		if (!cmm_skip_blanks(msg + 6, &msg))
 			return;
-		pages = cmm_strtoul(msg, &msg);
+		pages = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
 			cmm_set_pages(pages);
 	} else if (strncmp(msg, "RELEASE", 7) == 0) {
 		if (!cmm_skip_blanks(msg + 7, &msg))
 			return;
-		pages = cmm_strtoul(msg, &msg);
+		pages = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
 			cmm_add_timed_pages(pages);
 	} else if (strncmp(msg, "REUSE", 5) == 0) {
 		if (!cmm_skip_blanks(msg + 5, &msg))
 			return;
-		pages = cmm_strtoul(msg, &msg);
+		pages = simple_strtoul(msg, &msg, 0);
 		if (!cmm_skip_blanks(msg, &msg))
 			return;
-		seconds = cmm_strtoul(msg, &msg);
+		seconds = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
 			cmm_set_timeout(pages, seconds);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 7cd82575813..44f0cda7e72 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -25,10 +25,12 @@
 #include <linux/console.h>
 #include <linux/module.h>
 #include <linux/hardirq.h>
+#include <linux/kprobes.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
+#include <asm/kdebug.h>
 
 #ifndef CONFIG_64BIT
 #define __FAIL_ADDR_MASK 0x7ffff000
@@ -48,6 +50,38 @@ extern int sysctl_userprocess_debug;
 
 extern void die(const char *,struct pt_regs *,long);
 
+#ifdef CONFIG_KPROBES
+ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+int register_page_fault_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
+}
+
+int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
+}
+
+static inline int notify_page_fault(enum die_val val, const char *str,
+			struct pt_regs *regs, long err, int trap, int sig)
+{
+	struct die_args args = {
+		.regs = regs,
+		.str = str,
+		.err = err,
+		.trapnr = trap,
+		.signr = sig
+	};
+	return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+}
+#else
+static inline int notify_page_fault(enum die_val val, const char *str,
+			struct pt_regs *regs, long err, int trap, int sig)
+{
+	return NOTIFY_DONE;
+}
+#endif
+
 extern spinlock_t timerlist_lock;
 
 /*
@@ -159,7 +193,7 @@ static void do_sigsegv(struct pt_regs *regs, unsigned long error_code,
  *   11       Page translation     ->  Not present       (nullification)
  *   3b       Region third trans.  ->  Not present       (nullification)
  */
-static inline void
+static inline void __kprobes
 do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection)
 {
         struct task_struct *tsk;
@@ -173,6 +207,10 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection)
         tsk = current;
         mm = tsk->mm;
 	
+	if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
+					SIGSEGV) == NOTIFY_STOP)
+		return;
+
 	/* 
          * Check for low-address protection.  This needs to be treated
 	 * as a special case because the translation exception code 
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 6e6b6de7777..cfd9b8f7a52 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -108,16 +108,23 @@ void __init paging_init(void)
         unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE;
         static const int ssm_mask = 0x04000000L;
 	unsigned long ro_start_pfn, ro_end_pfn;
+	unsigned long zones_size[MAX_NR_ZONES];
 
 	ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
 	ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);
 
+	memset(zones_size, 0, sizeof(zones_size));
+	zones_size[ZONE_DMA] = max_low_pfn;
+	free_area_init_node(0, &contig_page_data, zones_size,
+			    __pa(PAGE_OFFSET) >> PAGE_SHIFT,
+			    zholes_size);
+
 	/* unmap whole virtual address space */
 	
         pg_dir = swapper_pg_dir;
 
-	for (i=0;i<KERNEL_PGD_PTRS;i++) 
-	        pmd_clear((pmd_t*)pg_dir++);
+	for (i = 0; i < PTRS_PER_PGD; i++)
+		pmd_clear((pmd_t *) pg_dir++);
 		
 	/*
 	 * map whole physical memory to virtual memory (identity mapping) 
@@ -131,10 +138,7 @@ void __init paging_init(void)
                  */
 		pg_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
 
-                pg_dir->pgd0 =  (_PAGE_TABLE | __pa(pg_table));
-                pg_dir->pgd1 =  (_PAGE_TABLE | (__pa(pg_table)+1024));
-                pg_dir->pgd2 =  (_PAGE_TABLE | (__pa(pg_table)+2048));
-                pg_dir->pgd3 =  (_PAGE_TABLE | (__pa(pg_table)+3072));
+		pmd_populate_kernel(&init_mm, (pmd_t *) pg_dir, pg_table);
                 pg_dir++;
 
                 for (tmp = 0 ; tmp < PTRS_PER_PTE ; tmp++,pg_table++) {
@@ -143,8 +147,8 @@ void __init paging_init(void)
 			else
 				pte = pfn_pte(pfn, PAGE_KERNEL);
                         if (pfn >= max_low_pfn)
-                                pte_clear(&init_mm, 0, &pte);
-                        set_pte(pg_table, pte);
+				pte_val(pte) = _PAGE_TYPE_EMPTY;
+			set_pte(pg_table, pte);
                         pfn++;
                 }
         }
@@ -159,16 +163,6 @@ void __init paging_init(void)
 			     : : "m" (pgdir_k), "m" (ssm_mask));
 
         local_flush_tlb();
-
-	{
-		unsigned long zones_size[MAX_NR_ZONES];
-
-		memset(zones_size, 0, sizeof(zones_size));
-		zones_size[ZONE_DMA] = max_low_pfn;
-		free_area_init_node(0, &contig_page_data, zones_size,
-				    __pa(PAGE_OFFSET) >> PAGE_SHIFT,
-				    zholes_size);
-	}
         return;
 }
 
@@ -236,10 +230,8 @@ void __init paging_init(void)
 					pte = pfn_pte(pfn, __pgprot(_PAGE_RO));
 				else
 					pte = pfn_pte(pfn, PAGE_KERNEL);
-                                if (pfn >= max_low_pfn) {
-                                        pte_clear(&init_mm, 0, &pte); 
-                                        continue;
-                                }
+				if (pfn >= max_low_pfn)
+					pte_val(pte) = _PAGE_TYPE_EMPTY;
                                 set_pte(pt_dir, pte);
                                 pfn++;
                         }
diff --git a/drivers/base/hypervisor.c b/drivers/base/hypervisor.c
index 0c85e9d6a44..7080b413ddc 100644
--- a/drivers/base/hypervisor.c
+++ b/drivers/base/hypervisor.c
@@ -1,8 +1,9 @@
 /*
  * hypervisor.c - /sys/hypervisor subsystem.
  *
- * This file is released under the GPLv2
+ * Copyright (C) IBM Corp. 2006
  *
+ * This file is released under the GPLv2
  */
 
 #include <linux/kobject.h>
diff --git a/drivers/s390/Kconfig b/drivers/s390/Kconfig
index 4d36208ff8d..ae89b9b8874 100644
--- a/drivers/s390/Kconfig
+++ b/drivers/s390/Kconfig
@@ -213,17 +213,35 @@ config MONREADER
 	help
 	  Character device driver for reading z/VM monitor service records
 
+config MONWRITER
+	tristate "API for writing z/VM monitor service records"
+	default "m"
+	help
+	  Character device driver for writing z/VM monitor service records
+
 endmenu
 
 menu "Cryptographic devices"
 
-config Z90CRYPT
+config ZCRYPT
 	tristate "Support for PCI-attached cryptographic adapters"
-        default "m"
-        help
+	select ZCRYPT_MONOLITHIC if ZCRYPT="y"
+	default "m"
+	help
 	  Select this option if you want to use a PCI-attached cryptographic
-	  adapter like the PCI Cryptographic Accelerator (PCICA) or the PCI
-	  Cryptographic Coprocessor (PCICC).  This option is also available
-	  as a module called z90crypt.ko.
+	  adapter like:
+	  + PCI Cryptographic Accelerator (PCICA)
+	  + PCI Cryptographic Coprocessor (PCICC)
+	  + PCI-X Cryptographic Coprocessor (PCIXCC)
+	  + Crypto Express2 Coprocessor (CEX2C)
+	  + Crypto Express2 Accelerator (CEX2A)
+
+config ZCRYPT_MONOLITHIC
+	bool "Monolithic zcrypt module"
+	depends on ZCRYPT="m"
+	help
+	  Select this option if you want to have a single module z90crypt.ko
+	  that contains all parts of the crypto device driver (ap bus,
+	  request router and all the card drivers).
 
 endmenu
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 25c1ef6dfd4..d0647d116ea 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -184,7 +184,7 @@ dasd_state_known_to_basic(struct dasd_device * device)
 	device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 2,
 					    8 * sizeof (long));
 	debug_register_view(device->debug_area, &debug_sprintf_view);
-	debug_set_level(device->debug_area, DBF_EMERG);
+	debug_set_level(device->debug_area, DBF_WARNING);
 	DBF_DEV_EVENT(DBF_EMERG, device, "%s", "debug area created");
 
 	device->state = DASD_STATE_BASIC;
@@ -893,7 +893,7 @@ dasd_handle_killed_request(struct ccw_device *cdev, unsigned long intparm)
 
 	device = (struct dasd_device *) cqr->device;
 	if (device == NULL ||
-	    device != dasd_device_from_cdev(cdev) ||
+	    device != dasd_device_from_cdev_locked(cdev) ||
 	    strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
 		MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
 			cdev->dev.bus_id);
@@ -970,7 +970,7 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 	/* first of all check for state change pending interrupt */
 	mask = DEV_STAT_ATTENTION | DEV_STAT_DEV_END | DEV_STAT_UNIT_EXCEP;
 	if ((irb->scsw.dstat & mask) == mask) {
-		device = dasd_device_from_cdev(cdev);
+		device = dasd_device_from_cdev_locked(cdev);
 		if (!IS_ERR(device)) {
 			dasd_handle_state_change_pending(device);
 			dasd_put_device(device);
@@ -2169,7 +2169,7 @@ dasd_init(void)
 		goto failed;
 	}
 	debug_register_view(dasd_debug_area, &debug_sprintf_view);
-	debug_set_level(dasd_debug_area, DBF_EMERG);
+	debug_set_level(dasd_debug_area, DBF_WARNING);
 
 	DBF_EVENT(DBF_EMERG, "%s", "debug area created");
 
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 9af02c79ce8..91cf971f065 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -258,8 +258,12 @@ dasd_parse_keyword( char *parsestring ) {
                 return residual_str;
         }
 	if (strncmp("nopav", parsestring, length) == 0) {
-		dasd_nopav = 1;
-		MESSAGE(KERN_INFO, "%s", "disable PAV mode");
+		if (MACHINE_IS_VM)
+			MESSAGE(KERN_INFO, "%s", "'nopav' not supported on VM");
+		else {
+			dasd_nopav = 1;
+			MESSAGE(KERN_INFO, "%s", "disable PAV mode");
+		}
 		return residual_str;
 	}
 	if (strncmp("fixedbuffers", parsestring, length) == 0) {
@@ -523,17 +527,17 @@ dasd_create_device(struct ccw_device *cdev)
 {
 	struct dasd_devmap *devmap;
 	struct dasd_device *device;
+	unsigned long flags;
 	int rc;
 
 	devmap = dasd_devmap_from_cdev(cdev);
 	if (IS_ERR(devmap))
 		return (void *) devmap;
-	cdev->dev.driver_data = devmap;
 
 	device = dasd_alloc_device();
 	if (IS_ERR(device))
 		return device;
-	atomic_set(&device->ref_count, 2);
+	atomic_set(&device->ref_count, 3);
 
 	spin_lock(&dasd_devmap_lock);
 	if (!devmap->device) {
@@ -552,6 +556,11 @@ dasd_create_device(struct ccw_device *cdev)
 		dasd_free_device(device);
 		return ERR_PTR(rc);
 	}
+
+	spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+	cdev->dev.driver_data = device;
+	spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
+
 	return device;
 }
 
@@ -569,6 +578,7 @@ dasd_delete_device(struct dasd_device *device)
 {
 	struct ccw_device *cdev;
 	struct dasd_devmap *devmap;
+	unsigned long flags;
 
 	/* First remove device pointer from devmap. */
 	devmap = dasd_find_busid(device->cdev->dev.bus_id);
@@ -582,9 +592,16 @@ dasd_delete_device(struct dasd_device *device)
 	devmap->device = NULL;
 	spin_unlock(&dasd_devmap_lock);
 
-	/* Drop ref_count by 2, one for the devmap reference and
-	 * one for the passed reference. */
-	atomic_sub(2, &device->ref_count);
+	/* Disconnect dasd_device structure from ccw_device structure. */
+	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
+	device->cdev->dev.driver_data = NULL;
+	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
+
+	/*
+	 * Drop ref_count by 3, one for the devmap reference, one for
+	 * the cdev reference and one for the passed reference.
+	 */
+	atomic_sub(3, &device->ref_count);
 
 	/* Wait for reference counter to drop to zero. */
 	wait_event(dasd_delete_wq, atomic_read(&device->ref_count) == 0);
@@ -593,9 +610,6 @@ dasd_delete_device(struct dasd_device *device)
 	cdev = device->cdev;
 	device->cdev = NULL;
 
-	/* Disconnect dasd_devmap structure from ccw_device structure. */
-	cdev->dev.driver_data = NULL;
-
 	/* Put ccw_device structure. */
 	put_device(&cdev->dev);
 
@@ -615,21 +629,32 @@ dasd_put_device_wake(struct dasd_device *device)
 
 /*
  * Return dasd_device structure associated with cdev.
+ * This function needs to be called with the ccw device
+ * lock held. It can be used from interrupt context.
+ */
+struct dasd_device *
+dasd_device_from_cdev_locked(struct ccw_device *cdev)
+{
+	struct dasd_device *device = cdev->dev.driver_data;
+
+	if (!device)
+		return ERR_PTR(-ENODEV);
+	dasd_get_device(device);
+	return device;
+}
+
+/*
+ * Return dasd_device structure associated with cdev.
  */
 struct dasd_device *
 dasd_device_from_cdev(struct ccw_device *cdev)
 {
-	struct dasd_devmap *devmap;
 	struct dasd_device *device;
+	unsigned long flags;
 
-	device = ERR_PTR(-ENODEV);
-	spin_lock(&dasd_devmap_lock);
-	devmap = cdev->dev.driver_data;
-	if (devmap && devmap->device) {
-		device = devmap->device;
-		dasd_get_device(device);
-	}
-	spin_unlock(&dasd_devmap_lock);
+	spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+	device = dasd_device_from_cdev_locked(cdev);
+	spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
 	return device;
 }
 
@@ -730,16 +755,17 @@ static ssize_t
 dasd_discipline_show(struct device *dev, struct device_attribute *attr,
 		     char *buf)
 {
-	struct dasd_devmap *devmap;
-	char *dname;
+	struct dasd_device *device;
+	ssize_t len;
 
-	spin_lock(&dasd_devmap_lock);
-	dname = "none";
-	devmap = dev->driver_data;
-	if (devmap && devmap->device && devmap->device->discipline)
-		dname = devmap->device->discipline->name;
-	spin_unlock(&dasd_devmap_lock);
-	return snprintf(buf, PAGE_SIZE, "%s\n", dname);
+	device = dasd_device_from_cdev(to_ccwdev(dev));
+	if (!IS_ERR(device) && device->discipline) {
+		len = snprintf(buf, PAGE_SIZE, "%s\n",
+			       device->discipline->name);
+		dasd_put_device(device);
+	} else
+		len = snprintf(buf, PAGE_SIZE, "none\n");
+	return len;
 }
 
 static DEVICE_ATTR(discipline, 0444, dasd_discipline_show, NULL);
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index da65f1b032f..e0bf30ebb21 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -678,7 +678,7 @@ int __init dasd_eer_init(void)
 	return 0;
 }
 
-void __exit dasd_eer_exit(void)
+void dasd_eer_exit(void)
 {
 	WARN_ON(misc_deregister(&dasd_eer_dev) != 0);
 }
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 3ccf06d28ba..9f52004f6fc 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -534,6 +534,7 @@ int dasd_add_sysfs_files(struct ccw_device *);
 void dasd_remove_sysfs_files(struct ccw_device *);
 
 struct dasd_device *dasd_device_from_cdev(struct ccw_device *);
+struct dasd_device *dasd_device_from_cdev_locked(struct ccw_device *);
 struct dasd_device *dasd_device_from_devindex(int);
 
 int dasd_parse(void);
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index ca7d51f7ecc..cab2c736683 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -453,7 +453,7 @@ static int __init xpram_init(void)
 		PRINT_WARN("No expanded memory available\n");
 		return -ENODEV;
 	}
-	xpram_pages = xpram_highest_page_index();
+	xpram_pages = xpram_highest_page_index() + 1;
 	PRINT_INFO("  %u pages expanded memory found (%lu KB).\n",
 		   xpram_pages, (unsigned long) xpram_pages*4);
 	rc = xpram_setup_sizes(xpram_pages);
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index 0c0162ff6c0..c3e97b4fc18 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -28,3 +28,4 @@ obj-$(CONFIG_S390_TAPE) += tape.o tape_class.o
 obj-$(CONFIG_S390_TAPE_34XX) += tape_34xx.o
 obj-$(CONFIG_S390_TAPE_3590) += tape_3590.o
 obj-$(CONFIG_MONREADER) += monreader.o
+obj-$(CONFIG_MONWRITER) += monwriter.o
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
new file mode 100644
index 00000000000..1e3939aeb8a
--- /dev/null
+++ b/drivers/s390/char/monwriter.c
@@ -0,0 +1,292 @@
+/*
+ * drivers/s390/char/monwriter.c
+ *
+ * Character device driver for writing z/VM *MONITOR service records.
+ *
+ * Copyright (C) IBM Corp. 2006
+ *
+ * Author(s): Melissa Howland <Melissa.Howland@us.ibm.com>
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/ctype.h>
+#include <linux/poll.h>
+#include <asm/uaccess.h>
+#include <asm/ebcdic.h>
+#include <asm/io.h>
+#include <asm/appldata.h>
+#include <asm/monwriter.h>
+
+#define MONWRITE_MAX_DATALEN	4024
+
+static int mon_max_bufs = 255;
+
+struct mon_buf {
+	struct list_head list;
+	struct monwrite_hdr hdr;
+	int diag_done;
+	char *data;
+};
+
+struct mon_private {
+	struct list_head list;
+	struct monwrite_hdr hdr;
+	size_t hdr_to_read;
+	size_t data_to_read;
+	struct mon_buf *current_buf;
+	int mon_buf_count;
+};
+
+/*
+ * helper functions
+ */
+
+static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn)
+{
+	struct appldata_product_id id;
+	int rc;
+
+	strcpy(id.prod_nr, "LNXAPPL");
+	id.prod_fn = myhdr->applid;
+	id.record_nr = myhdr->record_num;
+	id.version_nr = myhdr->version;
+	id.release_nr = myhdr->release;
+	id.mod_lvl = myhdr->mod_level;
+	rc = appldata_asm(&id, fcn, (void *) buffer, myhdr->datalen);
+	if (rc <= 0)
+		return rc;
+	if (rc == 5)
+		return -EPERM;
+	printk("DIAG X'DC' error with return code: %i\n", rc);
+	return -EINVAL;
+}
+
+static inline struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv,
+						struct monwrite_hdr *monhdr)
+{
+	struct mon_buf *entry, *next;
+
+	list_for_each_entry_safe(entry, next, &monpriv->list, list)
+		if (entry->hdr.applid == monhdr->applid &&
+		    entry->hdr.record_num == monhdr->record_num &&
+		    entry->hdr.version == monhdr->version &&
+		    entry->hdr.release == monhdr->release &&
+		    entry->hdr.mod_level == monhdr->mod_level)
+			return entry;
+	return NULL;
+}
+
+static int monwrite_new_hdr(struct mon_private *monpriv)
+{
+	struct monwrite_hdr *monhdr = &monpriv->hdr;
+	struct mon_buf *monbuf;
+	int rc;
+
+	if (monhdr->datalen > MONWRITE_MAX_DATALEN ||
+	    monhdr->mon_function > MONWRITE_START_CONFIG ||
+	    monhdr->hdrlen != sizeof(struct monwrite_hdr))
+		return -EINVAL;
+	monbuf = monwrite_find_hdr(monpriv, monhdr);
+	if (monbuf) {
+		if (monhdr->mon_function == MONWRITE_STOP_INTERVAL) {
+			monhdr->datalen = monbuf->hdr.datalen;
+			rc = monwrite_diag(monhdr, monbuf->data,
+					   APPLDATA_STOP_REC);
+			list_del(&monbuf->list);
+			monpriv->mon_buf_count--;
+			kfree(monbuf->data);
+			kfree(monbuf);
+			monbuf = NULL;
+		}
+	} else {
+		if (monpriv->mon_buf_count >= mon_max_bufs)
+			return -ENOSPC;
+		monbuf = kzalloc(sizeof(struct mon_buf), GFP_KERNEL);
+		if (!monbuf)
+			return -ENOMEM;
+		monbuf->data = kzalloc(monbuf->hdr.datalen,
+				       GFP_KERNEL | GFP_DMA);
+		if (!monbuf->data) {
+			kfree(monbuf);
+			return -ENOMEM;
+		}
+		monbuf->hdr = *monhdr;
+		list_add_tail(&monbuf->list, &monpriv->list);
+		monpriv->mon_buf_count++;
+	}
+	monpriv->current_buf = monbuf;
+	return 0;
+}
+
+static int monwrite_new_data(struct mon_private *monpriv)
+{
+	struct monwrite_hdr *monhdr = &monpriv->hdr;
+	struct mon_buf *monbuf = monpriv->current_buf;
+	int rc = 0;
+
+	switch (monhdr->mon_function) {
+	case MONWRITE_START_INTERVAL:
+		if (!monbuf->diag_done) {
+			rc = monwrite_diag(monhdr, monbuf->data,
+					   APPLDATA_START_INTERVAL_REC);
+			monbuf->diag_done = 1;
+		}
+		break;
+	case MONWRITE_START_CONFIG:
+		if (!monbuf->diag_done) {
+			rc = monwrite_diag(monhdr, monbuf->data,
+					   APPLDATA_START_CONFIG_REC);
+			monbuf->diag_done = 1;
+		}
+		break;
+	case MONWRITE_GEN_EVENT:
+		rc = monwrite_diag(monhdr, monbuf->data,
+				   APPLDATA_GEN_EVENT_REC);
+		list_del(&monpriv->current_buf->list);
+		kfree(monpriv->current_buf->data);
+		kfree(monpriv->current_buf);
+		monpriv->current_buf = NULL;
+		break;
+	default:
+		/* monhdr->mon_function is checked in monwrite_new_hdr */
+		BUG();
+	}
+	return rc;
+}
+
+/*
+ * file operations
+ */
+
+static int monwrite_open(struct inode *inode, struct file *filp)
+{
+	struct mon_private *monpriv;
+
+	monpriv = kzalloc(sizeof(struct mon_private), GFP_KERNEL);
+	if (!monpriv)
+		return -ENOMEM;
+	INIT_LIST_HEAD(&monpriv->list);
+	monpriv->hdr_to_read = sizeof(monpriv->hdr);
+	filp->private_data = monpriv;
+	return nonseekable_open(inode, filp);
+}
+
+static int monwrite_close(struct inode *inode, struct file *filp)
+{
+	struct mon_private *monpriv = filp->private_data;
+	struct mon_buf *entry, *next;
+
+	list_for_each_entry_safe(entry, next, &monpriv->list, list) {
+		if (entry->hdr.mon_function != MONWRITE_GEN_EVENT)
+			monwrite_diag(&entry->hdr, entry->data,
+				      APPLDATA_STOP_REC);
+		monpriv->mon_buf_count--;
+		list_del(&entry->list);
+		kfree(entry->data);
+		kfree(entry);
+	}
+	kfree(monpriv);
+	return 0;
+}
+
+static ssize_t monwrite_write(struct file *filp, const char __user *data,
+			      size_t count, loff_t *ppos)
+{
+	struct mon_private *monpriv = filp->private_data;
+	size_t len, written;
+	void *to;
+	int rc;
+
+	for (written = 0; written < count; ) {
+		if (monpriv->hdr_to_read) {
+			len = min(count - written, monpriv->hdr_to_read);
+			to = (char *) &monpriv->hdr +
+				sizeof(monpriv->hdr) - monpriv->hdr_to_read;
+			if (copy_from_user(to, data + written, len)) {
+				rc = -EFAULT;
+				goto out_error;
+			}
+			monpriv->hdr_to_read -= len;
+			written += len;
+			if (monpriv->hdr_to_read > 0)
+				continue;
+			rc = monwrite_new_hdr(monpriv);
+			if (rc)
+				goto out_error;
+			monpriv->data_to_read = monpriv->current_buf ?
+				monpriv->current_buf->hdr.datalen : 0;
+		}
+
+		if (monpriv->data_to_read) {
+			len = min(count - written, monpriv->data_to_read);
+			to = monpriv->current_buf->data +
+				monpriv->hdr.datalen - monpriv->data_to_read;
+			if (copy_from_user(to, data + written, len)) {
+				rc = -EFAULT;
+				goto out_error;
+			}
+			monpriv->data_to_read -= len;
+			written += len;
+			if (monpriv->data_to_read > 0)
+				continue;
+			rc = monwrite_new_data(monpriv);
+			if (rc)
+				goto out_error;
+		}
+		monpriv->hdr_to_read = sizeof(monpriv->hdr);
+	}
+	return written;
+
+out_error:
+	monpriv->data_to_read = 0;
+	monpriv->hdr_to_read = sizeof(struct monwrite_hdr);
+	return rc;
+}
+
+static struct file_operations monwrite_fops = {
+	.owner	 = THIS_MODULE,
+	.open	 = &monwrite_open,
+	.release = &monwrite_close,
+	.write	 = &monwrite_write,
+};
+
+static struct miscdevice mon_dev = {
+	.name	= "monwriter",
+	.fops	= &monwrite_fops,
+	.minor	= MISC_DYNAMIC_MINOR,
+};
+
+/*
+ * module init/exit
+ */
+
+static int __init mon_init(void)
+{
+	if (MACHINE_IS_VM)
+		return misc_register(&mon_dev);
+	else
+		return -ENODEV;
+}
+
+static void __exit mon_exit(void)
+{
+	WARN_ON(misc_deregister(&mon_dev) != 0);
+}
+
+module_init(mon_init);
+module_exit(mon_exit);
+
+module_param_named(max_bufs, mon_max_bufs, int, 0644);
+MODULE_PARM_DESC(max_bufs, "Maximum number of sample monitor data buffers"
+		 "that can be active at one time");
+
+MODULE_AUTHOR("Melissa Howland <Melissa.Howland@us.ibm.com>");
+MODULE_DESCRIPTION("Character device driver for writing z/VM "
+		   "APPLDATA monitor records.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 19762f3476a..1678b6c757e 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2004,2005 IBM Corporation
- * Interface implementation for communication with the v/VM control program
+ * Interface implementation for communication with the z/VM control program
  * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
  *
  *
diff --git a/drivers/s390/char/vmcp.h b/drivers/s390/char/vmcp.h
index 87389e73046..8a5975f3dad 100644
--- a/drivers/s390/char/vmcp.h
+++ b/drivers/s390/char/vmcp.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2004, 2005 IBM Corporation
- * Interface implementation for communication with the v/VM control program
+ * Interface implementation for communication with the z/VM control program
  * Version 1.0
  * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
  *
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c28444af091..3bb4e472d73 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -256,7 +256,7 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
 	/* trigger path verification. */
 	if (sch->driver && sch->driver->verify)
 		sch->driver->verify(&sch->dev);
-	else if (sch->vpm == mask)
+	else if (sch->lpm == mask)
 		goto out_unreg;
 out_unlock:
 	spin_unlock_irq(&sch->lock);
@@ -378,6 +378,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
 	if (chp_mask == 0) {
 		spin_unlock_irq(&sch->lock);
+		put_device(&sch->dev);
 		return 0;
 	}
 	old_lpm = sch->lpm;
@@ -392,7 +393,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
 	spin_unlock_irq(&sch->lock);
 	put_device(&sch->dev);
-	return (res_data->fla_mask == 0xffff) ? -ENODEV : 0;
+	return 0;
 }
 
 
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 89320c1ad82..2e2882daefb 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -16,11 +16,10 @@
 #include <linux/device.h>
 #include <linux/kernel_stat.h>
 #include <linux/interrupt.h>
-
 #include <asm/cio.h>
 #include <asm/delay.h>
 #include <asm/irq.h>
-
+#include <asm/setup.h>
 #include "airq.h"
 #include "cio.h"
 #include "css.h"
@@ -192,7 +191,7 @@ cio_start_key (struct subchannel *sch,	/* subchannel structure */
 	sch->orb.pfch = sch->options.prefetch == 0;
 	sch->orb.spnd = sch->options.suspend;
 	sch->orb.ssic = sch->options.suspend && sch->options.inter;
-	sch->orb.lpm = (lpm != 0) ? (lpm & sch->opm) : sch->lpm;
+	sch->orb.lpm = (lpm != 0) ? lpm : sch->lpm;
 #ifdef CONFIG_64BIT
 	/*
 	 * for 64 bit we always support 64 bit IDAWs with 4k page size only
@@ -570,10 +569,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
 	sch->opm = 0xff;
 	if (!cio_is_console(sch->schid))
 		chsc_validate_chpids(sch);
-	sch->lpm = sch->schib.pmcw.pim &
-		sch->schib.pmcw.pam &
-		sch->schib.pmcw.pom &
-		sch->opm;
+	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 
 	CIO_DEBUG(KERN_INFO, 0,
 		  "Detected device %04x on subchannel 0.%x.%04X"
@@ -841,14 +837,26 @@ __clear_subchannel_easy(struct subchannel_id schid)
 	return -EBUSY;
 }
 
-extern void do_reipl(unsigned long devno);
-static int
-__shutdown_subchannel_easy(struct subchannel_id schid, void *data)
+struct sch_match_id {
+	struct subchannel_id schid;
+	struct ccw_dev_id devid;
+	int rc;
+};
+
+static int __shutdown_subchannel_easy_and_match(struct subchannel_id schid,
+	void *data)
 {
 	struct schib schib;
+	struct sch_match_id *match_id = data;
 
 	if (stsch_err(schid, &schib))
 		return -ENXIO;
+	if (match_id && schib.pmcw.dnv &&
+		(schib.pmcw.dev == match_id->devid.devno) &&
+		(schid.ssid == match_id->devid.ssid)) {
+		match_id->schid = schid;
+		match_id->rc = 0;
+	}
 	if (!schib.pmcw.ena)
 		return 0;
 	switch(__disable_subchannel_easy(schid, &schib)) {
@@ -864,18 +872,71 @@ __shutdown_subchannel_easy(struct subchannel_id schid, void *data)
 	return 0;
 }
 
-void
-clear_all_subchannels(void)
+static int clear_all_subchannels_and_match(struct ccw_dev_id *devid,
+	struct subchannel_id *schid)
 {
+	struct sch_match_id match_id;
+
+	match_id.devid = *devid;
+	match_id.rc = -ENODEV;
 	local_irq_disable();
-	for_each_subchannel(__shutdown_subchannel_easy, NULL);
+	for_each_subchannel(__shutdown_subchannel_easy_and_match, &match_id);
+	if (match_id.rc == 0)
+		*schid = match_id.schid;
+	return match_id.rc;
 }
 
+
+void clear_all_subchannels(void)
+{
+	local_irq_disable();
+	for_each_subchannel(__shutdown_subchannel_easy_and_match, NULL);
+}
+
+extern void do_reipl_asm(__u32 schid);
+
 /* Make sure all subchannels are quiet before we re-ipl an lpar. */
-void
-reipl(unsigned long devno)
+void reipl_ccw_dev(struct ccw_dev_id *devid)
 {
-	clear_all_subchannels();
+	struct subchannel_id schid;
+
+	if (clear_all_subchannels_and_match(devid, &schid))
+		panic("IPL Device not found\n");
 	cio_reset_channel_paths();
-	do_reipl(devno);
+	do_reipl_asm(*((__u32*)&schid));
+}
+
+extern struct schib ipl_schib;
+
+/*
+ * ipl_save_parameters gets called very early. It is not allowed to access
+ * anything in the bss section at all. The bss section is not cleared yet,
+ * but may contain some ipl parameters written by the firmware.
+ * These parameters (if present) are copied to 0x2000.
+ * To avoid corruption of the ipl parameters, all variables used by this
+ * function must reside on the stack or in the data section.
+ */
+void ipl_save_parameters(void)
+{
+	struct subchannel_id schid;
+	unsigned int *ipl_ptr;
+	void *src, *dst;
+
+	schid = *(struct subchannel_id *)__LC_SUBCHANNEL_ID;
+	if (!schid.one)
+		return;
+	if (stsch(schid, &ipl_schib))
+		return;
+	if (!ipl_schib.pmcw.dnv)
+		return;
+	ipl_devno = ipl_schib.pmcw.dev;
+	ipl_flags |= IPL_DEVNO_VALID;
+	if (!ipl_schib.pmcw.qf)
+		return;
+	ipl_flags |= IPL_PARMBLOCK_VALID;
+	ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR;
+	src = (void *)(unsigned long)*ipl_ptr;
+	dst = (void *)IPL_PARMBLOCK_ORIGIN;
+	memmove(dst, src, PAGE_SIZE);
+	*ipl_ptr = IPL_PARMBLOCK_ORIGIN;
 }
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 13eeea3d547..7086a74e987 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -182,136 +182,141 @@ get_subchannel_by_schid(struct subchannel_id schid)
 	return dev ? to_subchannel(dev) : NULL;
 }
 
-
-static inline int
-css_get_subchannel_status(struct subchannel *sch, struct subchannel_id schid)
+static inline int css_get_subchannel_status(struct subchannel *sch)
 {
 	struct schib schib;
-	int cc;
 
-	cc = stsch(schid, &schib);
-	if (cc)
-		return CIO_GONE;
-	if (!schib.pmcw.dnv)
+	if (stsch(sch->schid, &schib) || !schib.pmcw.dnv)
 		return CIO_GONE;
-	if (sch && sch->schib.pmcw.dnv &&
-	    (schib.pmcw.dev != sch->schib.pmcw.dev))
+	if (sch->schib.pmcw.dnv && (schib.pmcw.dev != sch->schib.pmcw.dev))
 		return CIO_REVALIDATE;
-	if (sch && !sch->lpm)
+	if (!sch->lpm)
 		return CIO_NO_PATH;
 	return CIO_OPER;
 }
-	
-static int
-css_evaluate_subchannel(struct subchannel_id schid, int slow)
+
+static int css_evaluate_known_subchannel(struct subchannel *sch, int slow)
 {
 	int event, ret, disc;
-	struct subchannel *sch;
 	unsigned long flags;
+	enum { NONE, UNREGISTER, UNREGISTER_PROBE, REPROBE } action;
 
-	sch = get_subchannel_by_schid(schid);
-	disc = sch ? device_is_disconnected(sch) : 0;
+	spin_lock_irqsave(&sch->lock, flags);
+	disc = device_is_disconnected(sch);
 	if (disc && slow) {
-		if (sch)
-			put_device(&sch->dev);
-		return 0; /* Already processed. */
+		/* Disconnected devices are evaluated directly only.*/
+		spin_unlock_irqrestore(&sch->lock, flags);
+		return 0;
 	}
-	/*
-	 * We've got a machine check, so running I/O won't get an interrupt.
-	 * Kill any pending timers.
-	 */
-	if (sch)
-		device_kill_pending_timer(sch);
+	/* No interrupt after machine check - kill pending timers. */
+	device_kill_pending_timer(sch);
 	if (!disc && !slow) {
-		if (sch)
-			put_device(&sch->dev);
-		return -EAGAIN; /* Will be done on the slow path. */
+		/* Non-disconnected devices are evaluated on the slow path. */
+		spin_unlock_irqrestore(&sch->lock, flags);
+		return -EAGAIN;
 	}
-	event = css_get_subchannel_status(sch, schid);
+	event = css_get_subchannel_status(sch);
 	CIO_MSG_EVENT(4, "Evaluating schid 0.%x.%04x, event %d, %s, %s path.\n",
-		      schid.ssid, schid.sch_no, event,
-		      sch?(disc?"disconnected":"normal"):"unknown",
-		      slow?"slow":"fast");
+		      sch->schid.ssid, sch->schid.sch_no, event,
+		      disc ? "disconnected" : "normal",
+		      slow ? "slow" : "fast");
+	/* Analyze subchannel status. */
+	action = NONE;
 	switch (event) {
 	case CIO_NO_PATH:
-	case CIO_GONE:
-		if (!sch) {
-			/* Never used this subchannel. Ignore. */
-			ret = 0;
+		if (disc) {
+			/* Check if paths have become available. */
+			action = REPROBE;
 			break;
 		}
-		if (disc && (event == CIO_NO_PATH)) {
-			/*
-			 * Uargh, hack again. Because we don't get a machine
-			 * check on configure on, our path bookkeeping can
-			 * be out of date here (it's fine while we only do
-			 * logical varying or get chsc machine checks). We
-			 * need to force reprobing or we might miss devices
-			 * coming operational again. It won't do harm in real
-			 * no path situations.
-			 */
-			spin_lock_irqsave(&sch->lock, flags);
-			device_trigger_reprobe(sch);
+		/* fall through */
+	case CIO_GONE:
+		/* Prevent unwanted effects when opening lock. */
+		cio_disable_subchannel(sch);
+		device_set_disconnected(sch);
+		/* Ask driver what to do with device. */
+		action = UNREGISTER;
+		if (sch->driver && sch->driver->notify) {
 			spin_unlock_irqrestore(&sch->lock, flags);
-			ret = 0;
-			break;
-		}
-		if (sch->driver && sch->driver->notify &&
-		    sch->driver->notify(&sch->dev, event)) {
-			cio_disable_subchannel(sch);
-			device_set_disconnected(sch);
-			ret = 0;
-			break;
+			ret = sch->driver->notify(&sch->dev, event);
+			spin_lock_irqsave(&sch->lock, flags);
+			if (ret)
+				action = NONE;
 		}
-		/*
-		 * Unregister subchannel.
-		 * The device will be killed automatically.
-		 */
-		cio_disable_subchannel(sch);
-		css_sch_device_unregister(sch);
-		/* Reset intparm to zeroes. */
-		sch->schib.pmcw.intparm = 0;
-		cio_modify(sch);
-		put_device(&sch->dev);
-		ret = 0;
 		break;
 	case CIO_REVALIDATE:
-		/* 
-		 * Revalidation machine check. Sick.
-		 * We don't notify the driver since we have to throw the device
-		 * away in any case.
-		 */
-		if (!disc) {
-			css_sch_device_unregister(sch);
-			/* Reset intparm to zeroes. */
-			sch->schib.pmcw.intparm = 0;
-			cio_modify(sch);
-			put_device(&sch->dev);
-			ret = css_probe_device(schid);
-		} else {
-			/*
-			 * We can't immediately deregister the disconnected
-			 * device since it might block.
-			 */
-			spin_lock_irqsave(&sch->lock, flags);
-			device_trigger_reprobe(sch);
-			spin_unlock_irqrestore(&sch->lock, flags);
-			ret = 0;
-		}
+		/* Device will be removed, so no notify necessary. */
+		if (disc)
+			/* Reprobe because immediate unregister might block. */
+			action = REPROBE;
+		else
+			action = UNREGISTER_PROBE;
 		break;
 	case CIO_OPER:
-		if (disc) {
-			spin_lock_irqsave(&sch->lock, flags);
+		if (disc)
 			/* Get device operational again. */
-			device_trigger_reprobe(sch);
-			spin_unlock_irqrestore(&sch->lock, flags);
-		}
-		ret = sch ? 0 : css_probe_device(schid);
+			action = REPROBE;
+		break;
+	}
+	/* Perform action. */
+	ret = 0;
+	switch (action) {
+	case UNREGISTER:
+	case UNREGISTER_PROBE:
+		/* Unregister device (will use subchannel lock). */
+		spin_unlock_irqrestore(&sch->lock, flags);
+		css_sch_device_unregister(sch);
+		spin_lock_irqsave(&sch->lock, flags);
+
+		/* Reset intparm to zeroes. */
+		sch->schib.pmcw.intparm = 0;
+		cio_modify(sch);
+
+		/* Probe if necessary. */
+		if (action == UNREGISTER_PROBE)
+			ret = css_probe_device(sch->schid);
+		break;
+	case REPROBE:
+		device_trigger_reprobe(sch);
 		break;
 	default:
-		BUG();
-		ret = 0;
+		break;
+	}
+	spin_unlock_irqrestore(&sch->lock, flags);
+
+	return ret;
+}
+
+static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow)
+{
+	struct schib schib;
+
+	if (!slow) {
+		/* Will be done on the slow path. */
+		return -EAGAIN;
 	}
+	if (stsch(schid, &schib) || !schib.pmcw.dnv) {
+		/* Unusable - ignore. */
+		return 0;
+	}
+	CIO_MSG_EVENT(4, "Evaluating schid 0.%x.%04x, event %d, unknown, "
+			 "slow path.\n", schid.ssid, schid.sch_no, CIO_OPER);
+
+	return css_probe_device(schid);
+}
+
+static int css_evaluate_subchannel(struct subchannel_id schid, int slow)
+{
+	struct subchannel *sch;
+	int ret;
+
+	sch = get_subchannel_by_schid(schid);
+	if (sch) {
+		ret = css_evaluate_known_subchannel(sch, slow);
+		put_device(&sch->dev);
+	} else
+		ret = css_evaluate_new_subchannel(schid, slow);
+
 	return ret;
 }
 
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 646da564040..688945662c1 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -52,53 +52,81 @@ ccw_bus_match (struct device * dev, struct device_driver * drv)
 	return 1;
 }
 
-/*
- * Hotplugging interface for ccw devices.
- * Heavily modeled on pci and usb hotplug.
- */
-static int
-ccw_uevent (struct device *dev, char **envp, int num_envp,
-	     char *buffer, int buffer_size)
+/* Store modalias string delimited by prefix/suffix string into buffer with
+ * specified size. Return length of resulting string (excluding trailing '\0')
+ * even if string doesn't fit buffer (snprintf semantics). */
+static int snprint_alias(char *buf, size_t size, const char *prefix,
+			 struct ccw_device_id *id, const char *suffix)
 {
-	struct ccw_device *cdev = to_ccwdev(dev);
-	int i = 0;
-	int length = 0;
+	int len;
 
-	if (!cdev)
-		return -ENODEV;
+	len = snprintf(buf, size, "%sccw:t%04Xm%02X", prefix, id->cu_type,
+		       id->cu_model);
+	if (len > size)
+		return len;
+	buf += len;
+	size -= len;
 
-	/* what we want to pass to /sbin/hotplug */
+	if (id->dev_type != 0)
+		len += snprintf(buf, size, "dt%04Xdm%02X%s", id->dev_type,
+				id->dev_model, suffix);
+	else
+		len += snprintf(buf, size, "dtdm%s", suffix);
 
-	envp[i++] = buffer;
-	length += scnprintf(buffer, buffer_size - length, "CU_TYPE=%04X",
-			   cdev->id.cu_type);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
-		return -ENOMEM;
-	++length;
-	buffer += length;
+	return len;
+}
 
+/* Set up environment variables for ccw device uevent. Return 0 on success,
+ * non-zero otherwise. */
+static int ccw_uevent(struct device *dev, char **envp, int num_envp,
+		      char *buffer, int buffer_size)
+{
+	struct ccw_device *cdev = to_ccwdev(dev);
+	struct ccw_device_id *id = &(cdev->id);
+	int i = 0;
+	int len;
+
+	/* CU_TYPE= */
+	len = snprintf(buffer, buffer_size, "CU_TYPE=%04X", id->cu_type) + 1;
+	if (len > buffer_size || i >= num_envp)
+		return -ENOMEM;
 	envp[i++] = buffer;
-	length += scnprintf(buffer, buffer_size - length, "CU_MODEL=%02X",
-			   cdev->id.cu_model);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	buffer += len;
+	buffer_size -= len;
+
+	/* CU_MODEL= */
+	len = snprintf(buffer, buffer_size, "CU_MODEL=%02X", id->cu_model) + 1;
+	if (len > buffer_size || i >= num_envp)
 		return -ENOMEM;
-	++length;
-	buffer += length;
+	envp[i++] = buffer;
+	buffer += len;
+	buffer_size -= len;
 
 	/* The next two can be zero, that's ok for us */
-	envp[i++] = buffer;
-	length += scnprintf(buffer, buffer_size - length, "DEV_TYPE=%04X",
-			   cdev->id.dev_type);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	/* DEV_TYPE= */
+	len = snprintf(buffer, buffer_size, "DEV_TYPE=%04X", id->dev_type) + 1;
+	if (len > buffer_size || i >= num_envp)
 		return -ENOMEM;
-	++length;
-	buffer += length;
+	envp[i++] = buffer;
+	buffer += len;
+	buffer_size -= len;
 
+	/* DEV_MODEL= */
+	len = snprintf(buffer, buffer_size, "DEV_MODEL=%02X",
+			(unsigned char) id->dev_model) + 1;
+	if (len > buffer_size || i >= num_envp)
+		return -ENOMEM;
 	envp[i++] = buffer;
-	length += scnprintf(buffer, buffer_size - length, "DEV_MODEL=%02X",
-			   cdev->id.dev_model);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	buffer += len;
+	buffer_size -= len;
+
+	/* MODALIAS=  */
+	len = snprint_alias(buffer, buffer_size, "MODALIAS=", id, "") + 1;
+	if (len > buffer_size || i >= num_envp)
 		return -ENOMEM;
+	envp[i++] = buffer;
+	buffer += len;
+	buffer_size -= len;
 
 	envp[i] = NULL;
 
@@ -251,16 +279,11 @@ modalias_show (struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct ccw_device *cdev = to_ccwdev(dev);
 	struct ccw_device_id *id = &(cdev->id);
-	int ret;
+	int len;
 
-	ret = sprintf(buf, "ccw:t%04Xm%02X",
-			id->cu_type, id->cu_model);
-	if (id->dev_type != 0)
-		ret += sprintf(buf + ret, "dt%04Xdm%02X\n",
-				id->dev_type, id->dev_model);
-	else
-		ret += sprintf(buf + ret, "dtdm\n");
-	return ret;
+	len = snprint_alias(buf, PAGE_SIZE, "", id, "\n") + 1;
+
+	return len > PAGE_SIZE ? PAGE_SIZE : len;
 }
 
 static ssize_t
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 35e162ba6d5..dace46fc32e 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -232,10 +232,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
 	 */
 	old_lpm = sch->lpm;
 	stsch(sch->schid, &sch->schib);
-	sch->lpm = sch->schib.pmcw.pim &
-		sch->schib.pmcw.pam &
-		sch->schib.pmcw.pom &
-		sch->opm;
+	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 	/* Check since device may again have become not operational. */
 	if (!sch->schib.pmcw.dnv)
 		state = DEV_STATE_NOT_OPER;
@@ -267,6 +264,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
 			notify = 1;
 		}
 		/* fill out sense information */
+		memset(&cdev->id, 0, sizeof(cdev->id));
 		cdev->id.cu_type   = cdev->private->senseid.cu_type;
 		cdev->id.cu_model  = cdev->private->senseid.cu_model;
 		cdev->id.dev_type  = cdev->private->senseid.dev_type;
@@ -454,8 +452,8 @@ ccw_device_sense_pgid_done(struct ccw_device *cdev, int err)
 		return;
 	}
 	/* Start Path Group verification. */
-	sch->vpm = 0;	/* Start with no path groups set. */
 	cdev->private->state = DEV_STATE_VERIFY;
+	cdev->private->flags.doverify = 0;
 	ccw_device_verify_start(cdev);
 }
 
@@ -555,7 +553,19 @@ ccw_device_nopath_notify(void *data)
 void
 ccw_device_verify_done(struct ccw_device *cdev, int err)
 {
-	cdev->private->flags.doverify = 0;
+	struct subchannel *sch;
+
+	sch = to_subchannel(cdev->dev.parent);
+	/* Update schib - pom may have changed. */
+	stsch(sch->schid, &sch->schib);
+	/* Update lpm with verified path mask. */
+	sch->lpm = sch->vpm;
+	/* Repeat path verification? */
+	if (cdev->private->flags.doverify) {
+		cdev->private->flags.doverify = 0;
+		ccw_device_verify_start(cdev);
+		return;
+	}
 	switch (err) {
 	case -EOPNOTSUPP: /* path grouping not supported, just set online. */
 		cdev->private->options.pgroup = 0;
@@ -613,6 +623,7 @@ ccw_device_online(struct ccw_device *cdev)
 	if (!cdev->private->options.pgroup) {
 		/* Start initial path verification. */
 		cdev->private->state = DEV_STATE_VERIFY;
+		cdev->private->flags.doverify = 0;
 		ccw_device_verify_start(cdev);
 		return 0;
 	}
@@ -659,7 +670,6 @@ ccw_device_offline(struct ccw_device *cdev)
 	/* Are we doing path grouping? */
 	if (!cdev->private->options.pgroup) {
 		/* No, set state offline immediately. */
-		sch->vpm = 0;
 		ccw_device_done(cdev, DEV_STATE_OFFLINE);
 		return 0;
 	}
@@ -780,6 +790,7 @@ ccw_device_online_verify(struct ccw_device *cdev, enum dev_event dev_event)
 	}
 	/* Device is idle, we can do the path verification. */
 	cdev->private->state = DEV_STATE_VERIFY;
+	cdev->private->flags.doverify = 0;
 	ccw_device_verify_start(cdev);
 }
 
@@ -1042,9 +1053,9 @@ ccw_device_wait4io_timeout(struct ccw_device *cdev, enum dev_event dev_event)
 }
 
 static void
-ccw_device_wait4io_verify(struct ccw_device *cdev, enum dev_event dev_event)
+ccw_device_delay_verify(struct ccw_device *cdev, enum dev_event dev_event)
 {
-	/* When the I/O has terminated, we have to start verification. */
+	/* Start verification after current task finished. */
 	cdev->private->flags.doverify = 1;
 }
 
@@ -1110,10 +1121,7 @@ device_trigger_reprobe(struct subchannel *sch)
 	 * The pim, pam, pom values may not be accurate, but they are the best
 	 * we have before performing device selection :/
 	 */
-	sch->lpm = sch->schib.pmcw.pim &
-		sch->schib.pmcw.pam &
-		sch->schib.pmcw.pom &
-		sch->opm;
+	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 	/* Re-set some bits in the pmcw that were lost. */
 	sch->schib.pmcw.isc = 3;
 	sch->schib.pmcw.csense = 1;
@@ -1237,7 +1245,7 @@ fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_online_notoper,
 		[DEV_EVENT_INTERRUPT]	= ccw_device_verify_irq,
 		[DEV_EVENT_TIMEOUT]	= ccw_device_onoff_timeout,
-		[DEV_EVENT_VERIFY]	= ccw_device_nop,
+		[DEV_EVENT_VERIFY]	= ccw_device_delay_verify,
 	},
 	[DEV_STATE_ONLINE] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_online_notoper,
@@ -1280,7 +1288,7 @@ fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_online_notoper,
 		[DEV_EVENT_INTERRUPT]	= ccw_device_wait4io_irq,
 		[DEV_EVENT_TIMEOUT]	= ccw_device_wait4io_timeout,
-		[DEV_EVENT_VERIFY]	= ccw_device_wait4io_verify,
+		[DEV_EVENT_VERIFY]	= ccw_device_delay_verify,
 	},
 	[DEV_STATE_QUIESCE] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_quiesce_done,
@@ -1293,7 +1301,7 @@ fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_nop,
 		[DEV_EVENT_INTERRUPT]	= ccw_device_start_id,
 		[DEV_EVENT_TIMEOUT]	= ccw_device_bug,
-		[DEV_EVENT_VERIFY]	= ccw_device_nop,
+		[DEV_EVENT_VERIFY]	= ccw_device_start_id,
 	},
 	[DEV_STATE_DISCONNECTED_SENSE_ID] = {
 		[DEV_EVENT_NOTOPER]	= ccw_device_recog_notoper,
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 9e3de0bd59b..93a897eebff 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -96,6 +96,12 @@ ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 	ret = cio_set_options (sch, flags);
 	if (ret)
 		return ret;
+	/* Adjust requested path mask to excluded varied off paths. */
+	if (lpm) {
+		lpm &= sch->opm;
+		if (lpm == 0)
+			return -EACCES;
+	}
 	ret = cio_start_key (sch, cpa, lpm, key);
 	if (ret == 0)
 		cdev->private->intparm = intparm;
@@ -250,7 +256,7 @@ ccw_device_get_path_mask(struct ccw_device *cdev)
 	if (!sch)
 		return 0;
 	else
-		return sch->vpm;
+		return sch->lpm;
 }
 
 static void
@@ -304,7 +310,7 @@ __ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, _
 	sch = to_subchannel(cdev->dev.parent);
 	do {
 		ret = cio_start (sch, ccw, lpm);
-		if ((ret == -EBUSY) || (ret == -EACCES)) {
+		if (ret == -EBUSY) {
 			/* Try again later. */
 			spin_unlock_irq(&sch->lock);
 			msleep(10);
@@ -433,6 +439,13 @@ read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lp
 	if (!ciw || ciw->cmd == 0)
 		return -EOPNOTSUPP;
 
+	/* Adjust requested path mask to excluded varied off paths. */
+	if (lpm) {
+		lpm &= sch->opm;
+		if (lpm == 0)
+			return -EACCES;
+	}
+
 	rcd_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
 	if (!rcd_ccw)
 		return -ENOMEM;
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index 1693a102dcf..8ca2d078848 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -245,18 +245,17 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func)
 	memset(&cdev->private->irb, 0, sizeof(struct irb));
 
 	/* Try multiple times. */
-	ret = -ENODEV;
+	ret = -EACCES;
 	if (cdev->private->iretry > 0) {
 		cdev->private->iretry--;
 		ret = cio_start (sch, cdev->private->iccws,
 				 cdev->private->imask);
-		/* ret is 0, -EBUSY, -EACCES or -ENODEV */
-		if ((ret != -EACCES) && (ret != -ENODEV))
+		/* We expect an interrupt in case of success or busy
+		 * indication. */
+		if ((ret == 0) || (ret == -EBUSY))
 			return ret;
 	}
-	/* PGID command failed on this path. Switch it off. */
-	sch->lpm &= ~cdev->private->imask;
-	sch->vpm &= ~cdev->private->imask;
+	/* PGID command failed on this path. */
 	CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel "
 		      "0.%x.%04x, lpm %02X, became 'not operational'\n",
 		      cdev->private->devno, sch->schid.ssid,
@@ -286,18 +285,17 @@ static int __ccw_device_do_nop(struct ccw_device *cdev)
 	memset(&cdev->private->irb, 0, sizeof(struct irb));
 
 	/* Try multiple times. */
-	ret = -ENODEV;
+	ret = -EACCES;
 	if (cdev->private->iretry > 0) {
 		cdev->private->iretry--;
 		ret = cio_start (sch, cdev->private->iccws,
 				 cdev->private->imask);
-		/* ret is 0, -EBUSY, -EACCES or -ENODEV */
-		if ((ret != -EACCES) && (ret != -ENODEV))
+		/* We expect an interrupt in case of success or busy
+		 * indication. */
+		if ((ret == 0) || (ret == -EBUSY))
 			return ret;
 	}
-	/* nop command failed on this path. Switch it off. */
-	sch->lpm &= ~cdev->private->imask;
-	sch->vpm &= ~cdev->private->imask;
+	/* nop command failed on this path. */
 	CIO_MSG_EVENT(2, "NOP - Device %04x on Subchannel "
 		      "0.%x.%04x, lpm %02X, became 'not operational'\n",
 		      cdev->private->devno, sch->schid.ssid,
@@ -372,27 +370,32 @@ static void
 __ccw_device_verify_start(struct ccw_device *cdev)
 {
 	struct subchannel *sch;
-	__u8 imask, func;
+	__u8 func;
 	int ret;
 
 	sch = to_subchannel(cdev->dev.parent);
-	while (sch->vpm != sch->lpm) {
-		/* Find first unequal bit in vpm vs. lpm */
-		for (imask = 0x80; imask != 0; imask >>= 1)
-			if ((sch->vpm & imask) != (sch->lpm & imask))
-				break;
-		cdev->private->imask = imask;
+	/* Repeat for all paths. */
+	for (; cdev->private->imask; cdev->private->imask >>= 1,
+				     cdev->private->iretry = 5) {
+		if ((cdev->private->imask & sch->schib.pmcw.pam) == 0)
+			/* Path not available, try next. */
+			continue;
 		if (cdev->private->options.pgroup) {
-			func = (sch->vpm & imask) ?
-				SPID_FUNC_RESIGN : SPID_FUNC_ESTABLISH;
+			if (sch->opm & cdev->private->imask)
+				func = SPID_FUNC_ESTABLISH;
+			else
+				func = SPID_FUNC_RESIGN;
 			ret = __ccw_device_do_pgid(cdev, func);
 		} else
 			ret = __ccw_device_do_nop(cdev);
+		/* We expect an interrupt in case of success or busy
+		 * indication. */
 		if (ret == 0 || ret == -EBUSY)
 			return;
-		cdev->private->iretry = 5;
+		/* Permanent path failure, try next. */
 	}
-	ccw_device_verify_done(cdev, (sch->lpm != 0) ? 0 : -ENODEV);
+	/* Done with all paths. */
+	ccw_device_verify_done(cdev, (sch->vpm != 0) ? 0 : -ENODEV);
 }
 		
 /*
@@ -421,14 +424,14 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event)
 	else
 		ret = __ccw_device_check_nop(cdev);
 	memset(&cdev->private->irb, 0, sizeof(struct irb));
+
 	switch (ret) {
 	/* 0, -ETIME, -EAGAIN, -EOPNOTSUPP or -EACCES */
 	case 0:
-		/* Establish or Resign Path Group done. Update vpm. */
-		if ((sch->lpm & cdev->private->imask) != 0)
-			sch->vpm |= cdev->private->imask;
-		else
-			sch->vpm &= ~cdev->private->imask;
+		/* Path verification ccw finished successfully, update lpm. */
+		sch->vpm |= sch->opm & cdev->private->imask;
+		/* Go on with next path. */
+		cdev->private->imask >>= 1;
 		cdev->private->iretry = 5;
 		__ccw_device_verify_start(cdev);
 		break;
@@ -441,6 +444,10 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event)
 			cdev->private->options.pgroup = 0;
 		else
 			cdev->private->flags.pgid_single = 1;
+		/* Retry */
+		sch->vpm = 0;
+		cdev->private->imask = 0x80;
+		cdev->private->iretry = 5;
 		/* fall through. */
 	case -EAGAIN:		/* Try again. */
 		__ccw_device_verify_start(cdev);
@@ -449,8 +456,7 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event)
 		ccw_device_verify_done(cdev, -ETIME);
 		break;
 	case -EACCES:		/* channel is not operational. */
-		sch->lpm &= ~cdev->private->imask;
-		sch->vpm &= ~cdev->private->imask;
+		cdev->private->imask >>= 1;
 		cdev->private->iretry = 5;
 		__ccw_device_verify_start(cdev);
 		break;
@@ -463,19 +469,17 @@ ccw_device_verify_start(struct ccw_device *cdev)
 	struct subchannel *sch = to_subchannel(cdev->dev.parent);
 
 	cdev->private->flags.pgid_single = 0;
+	cdev->private->imask = 0x80;
 	cdev->private->iretry = 5;
-	/*
-	 * Update sch->lpm with current values to catch paths becoming
-	 * available again.
-	 */
+
+	/* Start with empty vpm. */
+	sch->vpm = 0;
+
+	/* Get current pam. */
 	if (stsch(sch->schid, &sch->schib)) {
 		ccw_device_verify_done(cdev, -ENODEV);
 		return;
 	}
-	sch->lpm = sch->schib.pmcw.pim &
-		sch->schib.pmcw.pam &
-		sch->schib.pmcw.pom &
-		sch->opm;
 	__ccw_device_verify_start(cdev);
 }
 
@@ -524,7 +528,6 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event)
 	switch (ret) {
 	/* 0, -ETIME, -EAGAIN, -EOPNOTSUPP or -EACCES */
 	case 0:			/* disband successful. */
-		sch->vpm = 0;
 		ccw_device_disband_done(cdev, ret);
 		break;
 	case -EOPNOTSUPP:
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 7c93a8798d2..cde822d8b5c 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -115,7 +115,7 @@ qdio_min(int a,int b)
 static inline __u64 
 qdio_get_micros(void)
 {
-        return (get_clock() >> 10); /* time>>12 is microseconds */
+	return (get_clock() >> 12); /* time>>12 is microseconds */
 }
 
 /* 
@@ -1129,7 +1129,7 @@ out:
 
 #ifdef QDIO_USE_PROCESSING_STATE
 	if (last_position>=0)
-		set_slsb(q, &last_position, SLSB_P_INPUT_NOT_INIT, &count);
+		set_slsb(q, &last_position, SLSB_P_INPUT_PROCESSING, &count);
 #endif /* QDIO_USE_PROCESSING_STATE */
 
 	QDIO_DBF_HEX4(0,trace,&q->first_to_check,sizeof(int));
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index ceb3ab31ee0..124569362f0 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -191,49 +191,49 @@ enum qdio_irq_states {
 #if QDIO_VERBOSE_LEVEL>8
 #define QDIO_PRINT_STUPID(x...) printk( KERN_DEBUG QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_STUPID(x...)
+#define QDIO_PRINT_STUPID(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>7
 #define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_ALL(x...)
+#define QDIO_PRINT_ALL(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>6
 #define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_INFO(x...)
+#define QDIO_PRINT_INFO(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>5
 #define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_WARN(x...)
+#define QDIO_PRINT_WARN(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>4
 #define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_ERR(x...)
+#define QDIO_PRINT_ERR(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>3
 #define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_CRIT(x...)
+#define QDIO_PRINT_CRIT(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>2
 #define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_ALERT(x...)
+#define QDIO_PRINT_ALERT(x...) do { } while (0)
 #endif
 
 #if QDIO_VERBOSE_LEVEL>1
 #define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x)
 #else
-#define QDIO_PRINT_EMERG(x...)
+#define QDIO_PRINT_EMERG(x...) do { } while (0)
 #endif
 
 #define HEXDUMP16(importance,header,ptr) \
diff --git a/drivers/s390/crypto/Makefile b/drivers/s390/crypto/Makefile
index 15edebbead7..f0a12d2eb78 100644
--- a/drivers/s390/crypto/Makefile
+++ b/drivers/s390/crypto/Makefile
@@ -2,5 +2,16 @@
 # S/390 crypto devices
 #
 
-z90crypt-objs := z90main.o z90hardware.o
-obj-$(CONFIG_Z90CRYPT) += z90crypt.o
+ifdef CONFIG_ZCRYPT_MONOLITHIC
+
+z90crypt-objs := zcrypt_mono.o ap_bus.o zcrypt_api.o \
+		zcrypt_pcica.o zcrypt_pcicc.o zcrypt_pcixcc.o zcrypt_cex2a.o
+obj-$(CONFIG_ZCRYPT) += z90crypt.o
+
+else
+
+ap-objs := ap_bus.o
+obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o zcrypt_pcicc.o zcrypt_pcixcc.o
+obj-$(CONFIG_ZCRYPT) += zcrypt_pcica.o zcrypt_cex2a.o
+
+endif
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
new file mode 100644
index 00000000000..6ed0985c0c9
--- /dev/null
+++ b/drivers/s390/crypto/ap_bus.c
@@ -0,0 +1,1221 @@
+/*
+ * linux/drivers/s390/crypto/ap_bus.c
+ *
+ * Copyright (C) 2006 IBM Corporation
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ *	      Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *	      Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * Adjunct processor bus.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/notifier.h>
+#include <linux/kthread.h>
+#include <linux/mutex.h>
+#include <asm/s390_rdev.h>
+
+#include "ap_bus.h"
+
+/* Some prototypes. */
+static void ap_scan_bus(void *);
+static void ap_poll_all(unsigned long);
+static void ap_poll_timeout(unsigned long);
+static int ap_poll_thread_start(void);
+static void ap_poll_thread_stop(void);
+
+/**
+ * Module description.
+ */
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("Adjunct Processor Bus driver, "
+		   "Copyright 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+
+/**
+ * Module parameter
+ */
+int ap_domain_index = -1;	/* Adjunct Processor Domain Index */
+module_param_named(domain, ap_domain_index, int, 0000);
+MODULE_PARM_DESC(domain, "domain index for ap devices");
+EXPORT_SYMBOL(ap_domain_index);
+
+static int ap_thread_flag = 1;
+module_param_named(poll_thread, ap_thread_flag, int, 0000);
+MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 1 (on).");
+
+static struct device *ap_root_device = NULL;
+
+/**
+ * Workqueue & timer for bus rescan.
+ */
+static struct workqueue_struct *ap_work_queue;
+static struct timer_list ap_config_timer;
+static int ap_config_time = AP_CONFIG_TIME;
+static DECLARE_WORK(ap_config_work, ap_scan_bus, NULL);
+
+/**
+ * Tasklet & timer for AP request polling.
+ */
+static struct timer_list ap_poll_timer = TIMER_INITIALIZER(ap_poll_timeout,0,0);
+static DECLARE_TASKLET(ap_tasklet, ap_poll_all, 0);
+static atomic_t ap_poll_requests = ATOMIC_INIT(0);
+static DECLARE_WAIT_QUEUE_HEAD(ap_poll_wait);
+static struct task_struct *ap_poll_kthread = NULL;
+static DEFINE_MUTEX(ap_poll_thread_mutex);
+
+/**
+ * Test if ap instructions are available.
+ *
+ * Returns 0 if the ap instructions are installed.
+ */
+static inline int ap_instructions_available(void)
+{
+	register unsigned long reg0 asm ("0") = AP_MKQID(0,0);
+	register unsigned long reg1 asm ("1") = -ENODEV;
+	register unsigned long reg2 asm ("2") = 0UL;
+
+	asm volatile(
+		"   .long 0xb2af0000\n"		/* PQAP(TAPQ) */
+		"0: la    %1,0\n"
+		"1:\n"
+		EX_TABLE(0b, 1b)
+		: "+d" (reg0), "+d" (reg1), "+d" (reg2) : : "cc" );
+	return reg1;
+}
+
+/**
+ * Test adjunct processor queue.
+ * @qid: the ap queue number
+ * @queue_depth: pointer to queue depth value
+ * @device_type: pointer to device type value
+ *
+ * Returns ap queue status structure.
+ */
+static inline struct ap_queue_status
+ap_test_queue(ap_qid_t qid, int *queue_depth, int *device_type)
+{
+	register unsigned long reg0 asm ("0") = qid;
+	register struct ap_queue_status reg1 asm ("1");
+	register unsigned long reg2 asm ("2") = 0UL;
+
+	asm volatile(".long 0xb2af0000"		/* PQAP(TAPQ) */
+		     : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc");
+	*device_type = (int) (reg2 >> 24);
+	*queue_depth = (int) (reg2 & 0xff);
+	return reg1;
+}
+
+/**
+ * Reset adjunct processor queue.
+ * @qid: the ap queue number
+ *
+ * Returns ap queue status structure.
+ */
+static inline struct ap_queue_status ap_reset_queue(ap_qid_t qid)
+{
+	register unsigned long reg0 asm ("0") = qid | 0x01000000UL;
+	register struct ap_queue_status reg1 asm ("1");
+	register unsigned long reg2 asm ("2") = 0UL;
+
+	asm volatile(
+		".long 0xb2af0000"		/* PQAP(RAPQ) */
+		: "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc");
+	return reg1;
+}
+
+/**
+ * Send message to adjunct processor queue.
+ * @qid: the ap queue number
+ * @psmid: the program supplied message identifier
+ * @msg: the message text
+ * @length: the message length
+ *
+ * Returns ap queue status structure.
+ *
+ * Condition code 1 on NQAP can't happen because the L bit is 1.
+ *
+ * Condition code 2 on NQAP also means the send is incomplete,
+ * because a segment boundary was reached. The NQAP is repeated.
+ */
+static inline struct ap_queue_status
+__ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
+{
+	typedef struct { char _[length]; } msgblock;
+	register unsigned long reg0 asm ("0") = qid | 0x40000000UL;
+	register struct ap_queue_status reg1 asm ("1");
+	register unsigned long reg2 asm ("2") = (unsigned long) msg;
+	register unsigned long reg3 asm ("3") = (unsigned long) length;
+	register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32);
+	register unsigned long reg5 asm ("5") = (unsigned int) psmid;
+
+	asm volatile (
+		"0: .long 0xb2ad0042\n"		/* DQAP */
+		"   brc   2,0b"
+		: "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3)
+		: "d" (reg4), "d" (reg5), "m" (*(msgblock *) msg)
+		: "cc" );
+	return reg1;
+}
+
+int ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
+{
+	struct ap_queue_status status;
+
+	status = __ap_send(qid, psmid, msg, length);
+	switch (status.response_code) {
+	case AP_RESPONSE_NORMAL:
+		return 0;
+	case AP_RESPONSE_Q_FULL:
+		return -EBUSY;
+	default:	/* Device is gone. */
+		return -ENODEV;
+	}
+}
+EXPORT_SYMBOL(ap_send);
+
+/*
+ * Receive message from adjunct processor queue.
+ * @qid: the ap queue number
+ * @psmid: pointer to program supplied message identifier
+ * @msg: the message text
+ * @length: the message length
+ *
+ * Returns ap queue status structure.
+ *
+ * Condition code 1 on DQAP means the receive has taken place
+ * but only partially.	The response is incomplete, hence the
+ * DQAP is repeated.
+ *
+ * Condition code 2 on DQAP also means the receive is incomplete,
+ * this time because a segment boundary was reached. Again, the
+ * DQAP is repeated.
+ *
+ * Note that gpr2 is used by the DQAP instruction to keep track of
+ * any 'residual' length, in case the instruction gets interrupted.
+ * Hence it gets zeroed before the instruction.
+ */
+static inline struct ap_queue_status
+__ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
+{
+	typedef struct { char _[length]; } msgblock;
+	register unsigned long reg0 asm("0") = qid | 0x80000000UL;
+	register struct ap_queue_status reg1 asm ("1");
+	register unsigned long reg2 asm("2") = 0UL;
+	register unsigned long reg4 asm("4") = (unsigned long) msg;
+	register unsigned long reg5 asm("5") = (unsigned long) length;
+	register unsigned long reg6 asm("6") = 0UL;
+	register unsigned long reg7 asm("7") = 0UL;
+
+
+	asm volatile(
+		"0: .long 0xb2ae0064\n"
+		"   brc   6,0b\n"
+		: "+d" (reg0), "=d" (reg1), "+d" (reg2),
+		"+d" (reg4), "+d" (reg5), "+d" (reg6), "+d" (reg7),
+		"=m" (*(msgblock *) msg) : : "cc" );
+	*psmid = (((unsigned long long) reg6) << 32) + reg7;
+	return reg1;
+}
+
+int ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
+{
+	struct ap_queue_status status;
+
+	status = __ap_recv(qid, psmid, msg, length);
+	switch (status.response_code) {
+	case AP_RESPONSE_NORMAL:
+		return 0;
+	case AP_RESPONSE_NO_PENDING_REPLY:
+		if (status.queue_empty)
+			return -ENOENT;
+		return -EBUSY;
+	default:
+		return -ENODEV;
+	}
+}
+EXPORT_SYMBOL(ap_recv);
+
+/**
+ * Check if an AP queue is available. The test is repeated for
+ * AP_MAX_RESET times.
+ * @qid: the ap queue number
+ * @queue_depth: pointer to queue depth value
+ * @device_type: pointer to device type value
+ */
+static int ap_query_queue(ap_qid_t qid, int *queue_depth, int *device_type)
+{
+	struct ap_queue_status status;
+	int t_depth, t_device_type, rc, i;
+
+	rc = -EBUSY;
+	for (i = 0; i < AP_MAX_RESET; i++) {
+		status = ap_test_queue(qid, &t_depth, &t_device_type);
+		switch (status.response_code) {
+		case AP_RESPONSE_NORMAL:
+			*queue_depth = t_depth + 1;
+			*device_type = t_device_type;
+			rc = 0;
+			break;
+		case AP_RESPONSE_Q_NOT_AVAIL:
+			rc = -ENODEV;
+			break;
+		case AP_RESPONSE_RESET_IN_PROGRESS:
+			break;
+		case AP_RESPONSE_DECONFIGURED:
+			rc = -ENODEV;
+			break;
+		case AP_RESPONSE_CHECKSTOPPED:
+			rc = -ENODEV;
+			break;
+		case AP_RESPONSE_BUSY:
+			break;
+		default:
+			BUG();
+		}
+		if (rc != -EBUSY)
+			break;
+		if (i < AP_MAX_RESET - 1)
+			udelay(5);
+	}
+	return rc;
+}
+
+/**
+ * Reset an AP queue and wait for it to become available again.
+ * @qid: the ap queue number
+ */
+static int ap_init_queue(ap_qid_t qid)
+{
+	struct ap_queue_status status;
+	int rc, dummy, i;
+
+	rc = -ENODEV;
+	status = ap_reset_queue(qid);
+	for (i = 0; i < AP_MAX_RESET; i++) {
+		switch (status.response_code) {
+		case AP_RESPONSE_NORMAL:
+			if (status.queue_empty)
+				rc = 0;
+			break;
+		case AP_RESPONSE_Q_NOT_AVAIL:
+		case AP_RESPONSE_DECONFIGURED:
+		case AP_RESPONSE_CHECKSTOPPED:
+			i = AP_MAX_RESET;	/* return with -ENODEV */
+			break;
+		case AP_RESPONSE_RESET_IN_PROGRESS:
+		case AP_RESPONSE_BUSY:
+		default:
+			break;
+		}
+		if (rc != -ENODEV)
+			break;
+		if (i < AP_MAX_RESET - 1) {
+			udelay(5);
+			status = ap_test_queue(qid, &dummy, &dummy);
+		}
+	}
+	return rc;
+}
+
+/**
+ * AP device related attributes.
+ */
+static ssize_t ap_hwtype_show(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	return snprintf(buf, PAGE_SIZE, "%d\n", ap_dev->device_type);
+}
+static DEVICE_ATTR(hwtype, 0444, ap_hwtype_show, NULL);
+
+static ssize_t ap_depth_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	return snprintf(buf, PAGE_SIZE, "%d\n", ap_dev->queue_depth);
+}
+static DEVICE_ATTR(depth, 0444, ap_depth_show, NULL);
+
+static ssize_t ap_request_count_show(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	int rc;
+
+	spin_lock_bh(&ap_dev->lock);
+	rc = snprintf(buf, PAGE_SIZE, "%d\n", ap_dev->total_request_count);
+	spin_unlock_bh(&ap_dev->lock);
+	return rc;
+}
+
+static DEVICE_ATTR(request_count, 0444, ap_request_count_show, NULL);
+
+static ssize_t ap_modalias_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "ap:t%02X", to_ap_dev(dev)->device_type);
+}
+
+static DEVICE_ATTR(modalias, 0444, ap_modalias_show, NULL);
+
+static struct attribute *ap_dev_attrs[] = {
+	&dev_attr_hwtype.attr,
+	&dev_attr_depth.attr,
+	&dev_attr_request_count.attr,
+	&dev_attr_modalias.attr,
+	NULL
+};
+static struct attribute_group ap_dev_attr_group = {
+	.attrs = ap_dev_attrs
+};
+
+/**
+ * AP bus driver registration/unregistration.
+ */
+static int ap_bus_match(struct device *dev, struct device_driver *drv)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	struct ap_driver *ap_drv = to_ap_drv(drv);
+	struct ap_device_id *id;
+
+	/**
+	 * Compare device type of the device with the list of
+	 * supported types of the device_driver.
+	 */
+	for (id = ap_drv->ids; id->match_flags; id++) {
+		if ((id->match_flags & AP_DEVICE_ID_MATCH_DEVICE_TYPE) &&
+		    (id->dev_type != ap_dev->device_type))
+			continue;
+		return 1;
+	}
+	return 0;
+}
+
+/**
+ * uevent function for AP devices. It sets up a single environment
+ * variable DEV_TYPE which contains the hardware device type.
+ */
+static int ap_uevent (struct device *dev, char **envp, int num_envp,
+		       char *buffer, int buffer_size)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	int length;
+
+	if (!ap_dev)
+		return -ENODEV;
+
+	/* Set up DEV_TYPE environment variable. */
+	envp[0] = buffer;
+	length = scnprintf(buffer, buffer_size, "DEV_TYPE=%04X",
+			   ap_dev->device_type);
+	if (buffer_size - length <= 0)
+		return -ENOMEM;
+	envp[1] = 0;
+	return 0;
+}
+
+static struct bus_type ap_bus_type = {
+	.name = "ap",
+	.match = &ap_bus_match,
+	.uevent = &ap_uevent,
+};
+
+static int ap_device_probe(struct device *dev)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	struct ap_driver *ap_drv = to_ap_drv(dev->driver);
+	int rc;
+
+	ap_dev->drv = ap_drv;
+	rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
+	if (rc)
+		ap_dev->unregistered = 1;
+	return rc;
+}
+
+/**
+ * Flush all requests from the request/pending queue of an AP device.
+ * @ap_dev: pointer to the AP device.
+ */
+static inline void __ap_flush_queue(struct ap_device *ap_dev)
+{
+	struct ap_message *ap_msg, *next;
+
+	list_for_each_entry_safe(ap_msg, next, &ap_dev->pendingq, list) {
+		list_del_init(&ap_msg->list);
+		ap_dev->pendingq_count--;
+		ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-ENODEV));
+	}
+	list_for_each_entry_safe(ap_msg, next, &ap_dev->requestq, list) {
+		list_del_init(&ap_msg->list);
+		ap_dev->requestq_count--;
+		ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-ENODEV));
+	}
+}
+
+void ap_flush_queue(struct ap_device *ap_dev)
+{
+	spin_lock_bh(&ap_dev->lock);
+	__ap_flush_queue(ap_dev);
+	spin_unlock_bh(&ap_dev->lock);
+}
+EXPORT_SYMBOL(ap_flush_queue);
+
+static int ap_device_remove(struct device *dev)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	struct ap_driver *ap_drv = ap_dev->drv;
+
+	spin_lock_bh(&ap_dev->lock);
+	__ap_flush_queue(ap_dev);
+	/**
+	 * set ->unregistered to 1 while holding the lock. This prevents
+	 * new messages to be put on the queue from now on.
+	 */
+	ap_dev->unregistered = 1;
+	spin_unlock_bh(&ap_dev->lock);
+	if (ap_drv->remove)
+		ap_drv->remove(ap_dev);
+	return 0;
+}
+
+int ap_driver_register(struct ap_driver *ap_drv, struct module *owner,
+		       char *name)
+{
+	struct device_driver *drv = &ap_drv->driver;
+
+	drv->bus = &ap_bus_type;
+	drv->probe = ap_device_probe;
+	drv->remove = ap_device_remove;
+	drv->owner = owner;
+	drv->name = name;
+	return driver_register(drv);
+}
+EXPORT_SYMBOL(ap_driver_register);
+
+void ap_driver_unregister(struct ap_driver *ap_drv)
+{
+	driver_unregister(&ap_drv->driver);
+}
+EXPORT_SYMBOL(ap_driver_unregister);
+
+/**
+ * AP bus attributes.
+ */
+static ssize_t ap_domain_show(struct bus_type *bus, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ap_domain_index);
+}
+
+static BUS_ATTR(ap_domain, 0444, ap_domain_show, NULL);
+
+static ssize_t ap_config_time_show(struct bus_type *bus, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ap_config_time);
+}
+
+static ssize_t ap_config_time_store(struct bus_type *bus,
+				    const char *buf, size_t count)
+{
+	int time;
+
+	if (sscanf(buf, "%d\n", &time) != 1 || time < 5 || time > 120)
+		return -EINVAL;
+	ap_config_time = time;
+	if (!timer_pending(&ap_config_timer) ||
+	    !mod_timer(&ap_config_timer, jiffies + ap_config_time * HZ)) {
+		ap_config_timer.expires = jiffies + ap_config_time * HZ;
+		add_timer(&ap_config_timer);
+	}
+	return count;
+}
+
+static BUS_ATTR(config_time, 0644, ap_config_time_show, ap_config_time_store);
+
+static ssize_t ap_poll_thread_show(struct bus_type *bus, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ap_poll_kthread ? 1 : 0);
+}
+
+static ssize_t ap_poll_thread_store(struct bus_type *bus,
+				    const char *buf, size_t count)
+{
+	int flag, rc;
+
+	if (sscanf(buf, "%d\n", &flag) != 1)
+		return -EINVAL;
+	if (flag) {
+		rc = ap_poll_thread_start();
+		if (rc)
+			return rc;
+	}
+	else
+		ap_poll_thread_stop();
+	return count;
+}
+
+static BUS_ATTR(poll_thread, 0644, ap_poll_thread_show, ap_poll_thread_store);
+
+static struct bus_attribute *const ap_bus_attrs[] = {
+	&bus_attr_ap_domain,
+	&bus_attr_config_time,
+	&bus_attr_poll_thread,
+	NULL
+};
+
+/**
+ * Pick one of the 16 ap domains.
+ */
+static inline int ap_select_domain(void)
+{
+	int queue_depth, device_type, count, max_count, best_domain;
+	int rc, i, j;
+
+	/**
+	 * We want to use a single domain. Either the one specified with
+	 * the "domain=" parameter or the domain with the maximum number
+	 * of devices.
+	 */
+	if (ap_domain_index >= 0 && ap_domain_index < AP_DOMAINS)
+		/* Domain has already been selected. */
+		return 0;
+	best_domain = -1;
+	max_count = 0;
+	for (i = 0; i < AP_DOMAINS; i++) {
+		count = 0;
+		for (j = 0; j < AP_DEVICES; j++) {
+			ap_qid_t qid = AP_MKQID(j, i);
+			rc = ap_query_queue(qid, &queue_depth, &device_type);
+			if (rc)
+				continue;
+			count++;
+		}
+		if (count > max_count) {
+			max_count = count;
+			best_domain = i;
+		}
+	}
+	if (best_domain >= 0){
+		ap_domain_index = best_domain;
+		return 0;
+	}
+	return -ENODEV;
+}
+
+/**
+ * Find the device type if query queue returned a device type of 0.
+ * @ap_dev: pointer to the AP device.
+ */
+static int ap_probe_device_type(struct ap_device *ap_dev)
+{
+	static unsigned char msg[] = {
+		0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x01,0x00,0x43,0x43,0x41,0x2d,0x41,0x50,
+		0x50,0x4c,0x20,0x20,0x20,0x01,0x01,0x01,
+		0x00,0x00,0x00,0x00,0x50,0x4b,0x00,0x00,
+		0x00,0x00,0x01,0x1c,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x05,0xb8,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x70,0x00,0x41,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x54,0x32,0x01,0x00,0xa0,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0xb8,0x05,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,
+		0x49,0x43,0x53,0x46,0x20,0x20,0x20,0x20,
+		0x50,0x4b,0x0a,0x00,0x50,0x4b,0x43,0x53,
+		0x2d,0x31,0x2e,0x32,0x37,0x00,0x11,0x22,
+		0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00,
+		0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,
+		0x99,0x00,0x11,0x22,0x33,0x44,0x55,0x66,
+		0x77,0x88,0x99,0x00,0x11,0x22,0x33,0x44,
+		0x55,0x66,0x77,0x88,0x99,0x00,0x11,0x22,
+		0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00,
+		0x11,0x22,0x33,0x5d,0x00,0x5b,0x00,0x77,
+		0x88,0x1e,0x00,0x00,0x57,0x00,0x00,0x00,
+		0x00,0x04,0x00,0x00,0x4f,0x00,0x00,0x00,
+		0x03,0x02,0x00,0x00,0x40,0x01,0x00,0x01,
+		0xce,0x02,0x68,0x2d,0x5f,0xa9,0xde,0x0c,
+		0xf6,0xd2,0x7b,0x58,0x4b,0xf9,0x28,0x68,
+		0x3d,0xb4,0xf4,0xef,0x78,0xd5,0xbe,0x66,
+		0x63,0x42,0xef,0xf8,0xfd,0xa4,0xf8,0xb0,
+		0x8e,0x29,0xc2,0xc9,0x2e,0xd8,0x45,0xb8,
+		0x53,0x8c,0x6f,0x4e,0x72,0x8f,0x6c,0x04,
+		0x9c,0x88,0xfc,0x1e,0xc5,0x83,0x55,0x57,
+		0xf7,0xdd,0xfd,0x4f,0x11,0x36,0x95,0x5d,
+	};
+	struct ap_queue_status status;
+	unsigned long long psmid;
+	char *reply;
+	int rc, i;
+
+	reply = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!reply) {
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	status = __ap_send(ap_dev->qid, 0x0102030405060708ULL,
+			   msg, sizeof(msg));
+	if (status.response_code != AP_RESPONSE_NORMAL) {
+		rc = -ENODEV;
+		goto out_free;
+	}
+
+	/* Wait for the test message to complete. */
+	for (i = 0; i < 6; i++) {
+		mdelay(300);
+		status = __ap_recv(ap_dev->qid, &psmid, reply, 4096);
+		if (status.response_code == AP_RESPONSE_NORMAL &&
+		    psmid == 0x0102030405060708ULL)
+			break;
+	}
+	if (i < 6) {
+		/* Got an answer. */
+		if (reply[0] == 0x00 && reply[1] == 0x86)
+			ap_dev->device_type = AP_DEVICE_TYPE_PCICC;
+		else
+			ap_dev->device_type = AP_DEVICE_TYPE_PCICA;
+		rc = 0;
+	} else
+		rc = -ENODEV;
+
+out_free:
+	free_page((unsigned long) reply);
+out:
+	return rc;
+}
+
+/**
+ * Scan the ap bus for new devices.
+ */
+static int __ap_scan_bus(struct device *dev, void *data)
+{
+	return to_ap_dev(dev)->qid == (ap_qid_t)(unsigned long) data;
+}
+
+static void ap_device_release(struct device *dev)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+
+	kfree(ap_dev);
+}
+
+static void ap_scan_bus(void *data)
+{
+	struct ap_device *ap_dev;
+	struct device *dev;
+	ap_qid_t qid;
+	int queue_depth, device_type;
+	int rc, i;
+
+	if (ap_select_domain() != 0)
+		return;
+	for (i = 0; i < AP_DEVICES; i++) {
+		qid = AP_MKQID(i, ap_domain_index);
+		dev = bus_find_device(&ap_bus_type, NULL,
+				      (void *)(unsigned long)qid,
+				      __ap_scan_bus);
+		if (dev) {
+			put_device(dev);
+			continue;
+		}
+		rc = ap_query_queue(qid, &queue_depth, &device_type);
+		if (rc)
+			continue;
+		rc = ap_init_queue(qid);
+		if (rc)
+			continue;
+		ap_dev = kzalloc(sizeof(*ap_dev), GFP_KERNEL);
+		if (!ap_dev)
+			break;
+		ap_dev->qid = qid;
+		ap_dev->queue_depth = queue_depth;
+		spin_lock_init(&ap_dev->lock);
+		INIT_LIST_HEAD(&ap_dev->pendingq);
+		INIT_LIST_HEAD(&ap_dev->requestq);
+		if (device_type == 0)
+			ap_probe_device_type(ap_dev);
+		else
+			ap_dev->device_type = device_type;
+
+		ap_dev->device.bus = &ap_bus_type;
+		ap_dev->device.parent = ap_root_device;
+		snprintf(ap_dev->device.bus_id, BUS_ID_SIZE, "card%02x",
+			 AP_QID_DEVICE(ap_dev->qid));
+		ap_dev->device.release = ap_device_release;
+		rc = device_register(&ap_dev->device);
+		if (rc) {
+			kfree(ap_dev);
+			continue;
+		}
+		/* Add device attributes. */
+		rc = sysfs_create_group(&ap_dev->device.kobj,
+					&ap_dev_attr_group);
+		if (rc)
+			device_unregister(&ap_dev->device);
+	}
+}
+
+static void
+ap_config_timeout(unsigned long ptr)
+{
+	queue_work(ap_work_queue, &ap_config_work);
+	ap_config_timer.expires = jiffies + ap_config_time * HZ;
+	add_timer(&ap_config_timer);
+}
+
+/**
+ * Set up the timer to run the poll tasklet
+ */
+static inline void ap_schedule_poll_timer(void)
+{
+	if (timer_pending(&ap_poll_timer))
+		return;
+	mod_timer(&ap_poll_timer, jiffies + AP_POLL_TIME);
+}
+
+/**
+ * Receive pending reply messages from an AP device.
+ * @ap_dev: pointer to the AP device
+ * @flags: pointer to control flags, bit 2^0 is set if another poll is
+ *	   required, bit 2^1 is set if the poll timer needs to get armed
+ * Returns 0 if the device is still present, -ENODEV if not.
+ */
+static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
+{
+	struct ap_queue_status status;
+	struct ap_message *ap_msg;
+
+	if (ap_dev->queue_count <= 0)
+		return 0;
+	status = __ap_recv(ap_dev->qid, &ap_dev->reply->psmid,
+			   ap_dev->reply->message, ap_dev->reply->length);
+	switch (status.response_code) {
+	case AP_RESPONSE_NORMAL:
+		atomic_dec(&ap_poll_requests);
+		ap_dev->queue_count--;
+		list_for_each_entry(ap_msg, &ap_dev->pendingq, list) {
+			if (ap_msg->psmid != ap_dev->reply->psmid)
+				continue;
+			list_del_init(&ap_msg->list);
+			ap_dev->pendingq_count--;
+			ap_dev->drv->receive(ap_dev, ap_msg, ap_dev->reply);
+			break;
+		}
+		if (ap_dev->queue_count > 0)
+			*flags |= 1;
+		break;
+	case AP_RESPONSE_NO_PENDING_REPLY:
+		if (status.queue_empty) {
+			/* The card shouldn't forget requests but who knows. */
+			ap_dev->queue_count = 0;
+			list_splice_init(&ap_dev->pendingq, &ap_dev->requestq);
+			ap_dev->requestq_count += ap_dev->pendingq_count;
+			ap_dev->pendingq_count = 0;
+		} else
+			*flags |= 2;
+		break;
+	default:
+		return -ENODEV;
+	}
+	return 0;
+}
+
+/**
+ * Send messages from the request queue to an AP device.
+ * @ap_dev: pointer to the AP device
+ * @flags: pointer to control flags, bit 2^0 is set if another poll is
+ *	   required, bit 2^1 is set if the poll timer needs to get armed
+ * Returns 0 if the device is still present, -ENODEV if not.
+ */
+static inline int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
+{
+	struct ap_queue_status status;
+	struct ap_message *ap_msg;
+
+	if (ap_dev->requestq_count <= 0 ||
+	    ap_dev->queue_count >= ap_dev->queue_depth)
+		return 0;
+	/* Start the next request on the queue. */
+	ap_msg = list_entry(ap_dev->requestq.next, struct ap_message, list);
+	status = __ap_send(ap_dev->qid, ap_msg->psmid,
+			   ap_msg->message, ap_msg->length);
+	switch (status.response_code) {
+	case AP_RESPONSE_NORMAL:
+		atomic_inc(&ap_poll_requests);
+		ap_dev->queue_count++;
+		list_move_tail(&ap_msg->list, &ap_dev->pendingq);
+		ap_dev->requestq_count--;
+		ap_dev->pendingq_count++;
+		if (ap_dev->queue_count < ap_dev->queue_depth &&
+		    ap_dev->requestq_count > 0)
+			*flags |= 1;
+		*flags |= 2;
+		break;
+	case AP_RESPONSE_Q_FULL:
+		*flags |= 2;
+		break;
+	case AP_RESPONSE_MESSAGE_TOO_BIG:
+		return -EINVAL;
+	default:
+		return -ENODEV;
+	}
+	return 0;
+}
+
+/**
+ * Poll AP device for pending replies and send new messages. If either
+ * ap_poll_read or ap_poll_write returns -ENODEV unregister the device.
+ * @ap_dev: pointer to the bus device
+ * @flags: pointer to control flags, bit 2^0 is set if another poll is
+ *	   required, bit 2^1 is set if the poll timer needs to get armed
+ * Returns 0.
+ */
+static inline int ap_poll_queue(struct ap_device *ap_dev, unsigned long *flags)
+{
+	int rc;
+
+	rc = ap_poll_read(ap_dev, flags);
+	if (rc)
+		return rc;
+	return ap_poll_write(ap_dev, flags);
+}
+
+/**
+ * Queue a message to a device.
+ * @ap_dev: pointer to the AP device
+ * @ap_msg: the message to be queued
+ */
+static int __ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
+{
+	struct ap_queue_status status;
+
+	if (list_empty(&ap_dev->requestq) &&
+	    ap_dev->queue_count < ap_dev->queue_depth) {
+		status = __ap_send(ap_dev->qid, ap_msg->psmid,
+				   ap_msg->message, ap_msg->length);
+		switch (status.response_code) {
+		case AP_RESPONSE_NORMAL:
+			list_add_tail(&ap_msg->list, &ap_dev->pendingq);
+			atomic_inc(&ap_poll_requests);
+			ap_dev->pendingq_count++;
+			ap_dev->queue_count++;
+			ap_dev->total_request_count++;
+			break;
+		case AP_RESPONSE_Q_FULL:
+			list_add_tail(&ap_msg->list, &ap_dev->requestq);
+			ap_dev->requestq_count++;
+			ap_dev->total_request_count++;
+			return -EBUSY;
+		case AP_RESPONSE_MESSAGE_TOO_BIG:
+			ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-EINVAL));
+			return -EINVAL;
+		default:	/* Device is gone. */
+			ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-ENODEV));
+			return -ENODEV;
+		}
+	} else {
+		list_add_tail(&ap_msg->list, &ap_dev->requestq);
+		ap_dev->requestq_count++;
+		ap_dev->total_request_count++;
+		return -EBUSY;
+	}
+	ap_schedule_poll_timer();
+	return 0;
+}
+
+void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
+{
+	unsigned long flags;
+	int rc;
+
+	spin_lock_bh(&ap_dev->lock);
+	if (!ap_dev->unregistered) {
+		/* Make room on the queue by polling for finished requests. */
+		rc = ap_poll_queue(ap_dev, &flags);
+		if (!rc)
+			rc = __ap_queue_message(ap_dev, ap_msg);
+		if (!rc)
+			wake_up(&ap_poll_wait);
+	} else {
+		ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-ENODEV));
+		rc = 0;
+	}
+	spin_unlock_bh(&ap_dev->lock);
+	if (rc == -ENODEV)
+		device_unregister(&ap_dev->device);
+}
+EXPORT_SYMBOL(ap_queue_message);
+
+/**
+ * Cancel a crypto request. This is done by removing the request
+ * from the devive pendingq or requestq queue. Note that the
+ * request stays on the AP queue. When it finishes the message
+ * reply will be discarded because the psmid can't be found.
+ * @ap_dev: AP device that has the message queued
+ * @ap_msg: the message that is to be removed
+ */
+void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
+{
+	struct ap_message *tmp;
+
+	spin_lock_bh(&ap_dev->lock);
+	if (!list_empty(&ap_msg->list)) {
+		list_for_each_entry(tmp, &ap_dev->pendingq, list)
+			if (tmp->psmid == ap_msg->psmid) {
+				ap_dev->pendingq_count--;
+				goto found;
+			}
+		ap_dev->requestq_count--;
+	found:
+		list_del_init(&ap_msg->list);
+	}
+	spin_unlock_bh(&ap_dev->lock);
+}
+EXPORT_SYMBOL(ap_cancel_message);
+
+/**
+ * AP receive polling for finished AP requests
+ */
+static void ap_poll_timeout(unsigned long unused)
+{
+	tasklet_schedule(&ap_tasklet);
+}
+
+/**
+ * Poll all AP devices on the bus in a round robin fashion. Continue
+ * polling until bit 2^0 of the control flags is not set. If bit 2^1
+ * of the control flags has been set arm the poll timer.
+ */
+static int __ap_poll_all(struct device *dev, void *data)
+{
+	struct ap_device *ap_dev = to_ap_dev(dev);
+	int rc;
+
+	spin_lock(&ap_dev->lock);
+	if (!ap_dev->unregistered) {
+		rc = ap_poll_queue(to_ap_dev(dev), (unsigned long *) data);
+	} else
+		rc = 0;
+	spin_unlock(&ap_dev->lock);
+	if (rc)
+		device_unregister(&ap_dev->device);
+	return 0;
+}
+
+static void ap_poll_all(unsigned long dummy)
+{
+	unsigned long flags;
+
+	do {
+		flags = 0;
+		bus_for_each_dev(&ap_bus_type, NULL, &flags, __ap_poll_all);
+	} while (flags & 1);
+	if (flags & 2)
+		ap_schedule_poll_timer();
+}
+
+/**
+ * AP bus poll thread. The purpose of this thread is to poll for
+ * finished requests in a loop if there is a "free" cpu - that is
+ * a cpu that doesn't have anything better to do. The polling stops
+ * as soon as there is another task or if all messages have been
+ * delivered.
+ */
+static int ap_poll_thread(void *data)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	unsigned long flags;
+	int requests;
+
+	set_user_nice(current, -20);
+	while (1) {
+		if (need_resched()) {
+			schedule();
+			continue;
+		}
+		add_wait_queue(&ap_poll_wait, &wait);
+		set_current_state(TASK_INTERRUPTIBLE);
+		if (kthread_should_stop())
+			break;
+		requests = atomic_read(&ap_poll_requests);
+		if (requests <= 0)
+			schedule();
+		set_current_state(TASK_RUNNING);
+		remove_wait_queue(&ap_poll_wait, &wait);
+
+		local_bh_disable();
+		flags = 0;
+		bus_for_each_dev(&ap_bus_type, NULL, &flags, __ap_poll_all);
+		local_bh_enable();
+	}
+	set_current_state(TASK_RUNNING);
+	remove_wait_queue(&ap_poll_wait, &wait);
+	return 0;
+}
+
+static int ap_poll_thread_start(void)
+{
+	int rc;
+
+	mutex_lock(&ap_poll_thread_mutex);
+	if (!ap_poll_kthread) {
+		ap_poll_kthread = kthread_run(ap_poll_thread, NULL, "appoll");
+		rc = IS_ERR(ap_poll_kthread) ? PTR_ERR(ap_poll_kthread) : 0;
+		if (rc)
+			ap_poll_kthread = NULL;
+	}
+	else
+		rc = 0;
+	mutex_unlock(&ap_poll_thread_mutex);
+	return rc;
+}
+
+static void ap_poll_thread_stop(void)
+{
+	mutex_lock(&ap_poll_thread_mutex);
+	if (ap_poll_kthread) {
+		kthread_stop(ap_poll_kthread);
+		ap_poll_kthread = NULL;
+	}
+	mutex_unlock(&ap_poll_thread_mutex);
+}
+
+/**
+ * The module initialization code.
+ */
+int __init ap_module_init(void)
+{
+	int rc, i;
+
+	if (ap_domain_index < -1 || ap_domain_index >= AP_DOMAINS) {
+		printk(KERN_WARNING "Invalid param: domain = %d. "
+		       " Not loading.\n", ap_domain_index);
+		return -EINVAL;
+	}
+	if (ap_instructions_available() != 0) {
+		printk(KERN_WARNING "AP instructions not installed.\n");
+		return -ENODEV;
+	}
+
+	/* Create /sys/bus/ap. */
+	rc = bus_register(&ap_bus_type);
+	if (rc)
+		goto out;
+	for (i = 0; ap_bus_attrs[i]; i++) {
+		rc = bus_create_file(&ap_bus_type, ap_bus_attrs[i]);
+		if (rc)
+			goto out_bus;
+	}
+
+	/* Create /sys/devices/ap. */
+	ap_root_device = s390_root_dev_register("ap");
+	rc = IS_ERR(ap_root_device) ? PTR_ERR(ap_root_device) : 0;
+	if (rc)
+		goto out_bus;
+
+	ap_work_queue = create_singlethread_workqueue("kapwork");
+	if (!ap_work_queue) {
+		rc = -ENOMEM;
+		goto out_root;
+	}
+
+	if (ap_select_domain() == 0)
+		ap_scan_bus(NULL);
+
+	/* Setup the ap bus rescan timer. */
+	init_timer(&ap_config_timer);
+	ap_config_timer.function = ap_config_timeout;
+	ap_config_timer.data = 0;
+	ap_config_timer.expires = jiffies + ap_config_time * HZ;
+	add_timer(&ap_config_timer);
+
+	/* Start the low priority AP bus poll thread. */
+	if (ap_thread_flag) {
+		rc = ap_poll_thread_start();
+		if (rc)
+			goto out_work;
+	}
+
+	return 0;
+
+out_work:
+	del_timer_sync(&ap_config_timer);
+	del_timer_sync(&ap_poll_timer);
+	destroy_workqueue(ap_work_queue);
+out_root:
+	s390_root_dev_unregister(ap_root_device);
+out_bus:
+	while (i--)
+		bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
+	bus_unregister(&ap_bus_type);
+out:
+	return rc;
+}
+
+static int __ap_match_all(struct device *dev, void *data)
+{
+	return 1;
+}
+
+/**
+ * The module termination code
+ */
+void ap_module_exit(void)
+{
+	int i;
+	struct device *dev;
+
+	ap_poll_thread_stop();
+	del_timer_sync(&ap_config_timer);
+	del_timer_sync(&ap_poll_timer);
+	destroy_workqueue(ap_work_queue);
+	s390_root_dev_unregister(ap_root_device);
+	while ((dev = bus_find_device(&ap_bus_type, NULL, NULL,
+		    __ap_match_all)))
+	{
+		device_unregister(dev);
+		put_device(dev);
+	}
+	for (i = 0; ap_bus_attrs[i]; i++)
+		bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
+	bus_unregister(&ap_bus_type);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(ap_module_init);
+module_exit(ap_module_exit);
+#endif
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
new file mode 100644
index 00000000000..83b69c01cd6
--- /dev/null
+++ b/drivers/s390/crypto/ap_bus.h
@@ -0,0 +1,158 @@
+/*
+ * linux/drivers/s390/crypto/ap_bus.h
+ *
+ * Copyright (C) 2006 IBM Corporation
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ *	      Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *	      Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * Adjunct processor bus header file.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _AP_BUS_H_
+#define _AP_BUS_H_
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/types.h>
+
+#define AP_DEVICES 64		/* Number of AP devices. */
+#define AP_DOMAINS 16		/* Number of AP domains. */
+#define AP_MAX_RESET 90		/* Maximum number of resets. */
+#define AP_CONFIG_TIME 30	/* Time in seconds between AP bus rescans. */
+#define AP_POLL_TIME 1		/* Time in ticks between receive polls. */
+
+extern int ap_domain_index;
+
+/**
+ * The ap_qid_t identifier of an ap queue. It contains a
+ * 6 bit device index and a 4 bit queue index (domain).
+ */
+typedef unsigned int ap_qid_t;
+
+#define AP_MKQID(_device,_queue) (((_device) & 63) << 8 | ((_queue) & 15))
+#define AP_QID_DEVICE(_qid) (((_qid) >> 8) & 63)
+#define AP_QID_QUEUE(_qid) ((_qid) & 15)
+
+/**
+ * The ap queue status word is returned by all three AP functions
+ * (PQAP, NQAP and DQAP).  There's a set of flags in the first
+ * byte, followed by a 1 byte response code.
+ */
+struct ap_queue_status {
+	unsigned int queue_empty	: 1;
+	unsigned int replies_waiting	: 1;
+	unsigned int queue_full		: 1;
+	unsigned int pad1		: 5;
+	unsigned int response_code	: 8;
+	unsigned int pad2		: 16;
+};
+
+#define AP_RESPONSE_NORMAL		0x00
+#define AP_RESPONSE_Q_NOT_AVAIL		0x01
+#define AP_RESPONSE_RESET_IN_PROGRESS	0x02
+#define AP_RESPONSE_DECONFIGURED	0x03
+#define AP_RESPONSE_CHECKSTOPPED	0x04
+#define AP_RESPONSE_BUSY		0x05
+#define AP_RESPONSE_Q_FULL		0x10
+#define AP_RESPONSE_NO_PENDING_REPLY	0x10
+#define AP_RESPONSE_INDEX_TOO_BIG	0x11
+#define AP_RESPONSE_NO_FIRST_PART	0x13
+#define AP_RESPONSE_MESSAGE_TOO_BIG	0x15
+
+/**
+ * Known device types
+ */
+#define AP_DEVICE_TYPE_PCICC	3
+#define AP_DEVICE_TYPE_PCICA	4
+#define AP_DEVICE_TYPE_PCIXCC	5
+#define AP_DEVICE_TYPE_CEX2A	6
+#define AP_DEVICE_TYPE_CEX2C	7
+
+struct ap_device;
+struct ap_message;
+
+struct ap_driver {
+	struct device_driver driver;
+	struct ap_device_id *ids;
+
+	int (*probe)(struct ap_device *);
+	void (*remove)(struct ap_device *);
+	/* receive is called from tasklet context */
+	void (*receive)(struct ap_device *, struct ap_message *,
+			struct ap_message *);
+};
+
+#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
+
+int ap_driver_register(struct ap_driver *, struct module *, char *);
+void ap_driver_unregister(struct ap_driver *);
+
+struct ap_device {
+	struct device device;
+	struct ap_driver *drv;		/* Pointer to AP device driver. */
+	spinlock_t lock;		/* Per device lock. */
+
+	ap_qid_t qid;			/* AP queue id. */
+	int queue_depth;		/* AP queue depth.*/
+	int device_type;		/* AP device type. */
+	int unregistered;		/* marks AP device as unregistered */
+
+	int queue_count;		/* # messages currently on AP queue. */
+
+	struct list_head pendingq;	/* List of message sent to AP queue. */
+	int pendingq_count;		/* # requests on pendingq list. */
+	struct list_head requestq;	/* List of message yet to be sent. */
+	int requestq_count;		/* # requests on requestq list. */
+	int total_request_count;	/* # requests ever for this AP device. */
+
+	struct ap_message *reply;	/* Per device reply message. */
+
+	void *private;			/* ap driver private pointer. */
+};
+
+#define to_ap_dev(x) container_of((x), struct ap_device, device)
+
+struct ap_message {
+	struct list_head list;		/* Request queueing. */
+	unsigned long long psmid;	/* Message id. */
+	void *message;			/* Pointer to message buffer. */
+	size_t length;			/* Message length. */
+
+	void *private;			/* ap driver private pointer. */
+};
+
+#define AP_DEVICE(dt)					\
+	.dev_type=(dt),					\
+	.match_flags=AP_DEVICE_ID_MATCH_DEVICE_TYPE,
+
+/**
+ * Note: don't use ap_send/ap_recv after using ap_queue_message
+ * for the first time. Otherwise the ap message queue will get
+ * confused.
+ */
+int ap_send(ap_qid_t, unsigned long long, void *, size_t);
+int ap_recv(ap_qid_t, unsigned long long *, void *, size_t);
+
+void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
+void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
+void ap_flush_queue(struct ap_device *ap_dev);
+
+int ap_module_init(void);
+void ap_module_exit(void);
+
+#endif /* _AP_BUS_H_ */
diff --git a/drivers/s390/crypto/z90common.h b/drivers/s390/crypto/z90common.h
deleted file mode 100644
index dbbcda3c846..00000000000
--- a/drivers/s390/crypto/z90common.h
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- *  linux/drivers/s390/crypto/z90common.h
- *
- *  z90crypt 1.3.3
- *
- *  Copyright (C)  2001, 2005 IBM Corporation
- *  Author(s): Robert Burroughs (burrough@us.ibm.com)
- *             Eric Rossman (edrossma@us.ibm.com)
- *
- *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef _Z90COMMON_H_
-#define _Z90COMMON_H_
-
-
-#define RESPBUFFSIZE 256
-#define PCI_FUNC_KEY_DECRYPT 0x5044
-#define PCI_FUNC_KEY_ENCRYPT 0x504B
-extern int ext_bitlens;
-
-enum devstat {
-	DEV_GONE,
-	DEV_ONLINE,
-	DEV_QUEUE_FULL,
-	DEV_EMPTY,
-	DEV_NO_WORK,
-	DEV_BAD_MESSAGE,
-	DEV_TSQ_EXCEPTION,
-	DEV_RSQ_EXCEPTION,
-	DEV_SEN_EXCEPTION,
-	DEV_REC_EXCEPTION
-};
-
-enum hdstat {
-	HD_NOT_THERE,
-	HD_BUSY,
-	HD_DECONFIGURED,
-	HD_CHECKSTOPPED,
-	HD_ONLINE,
-	HD_TSQ_EXCEPTION
-};
-
-#define Z90C_NO_DEVICES		1
-#define Z90C_AMBIGUOUS_DOMAIN	2
-#define Z90C_INCORRECT_DOMAIN	3
-#define ENOTINIT		4
-
-#define SEN_BUSY	 7
-#define SEN_USER_ERROR	 8
-#define SEN_QUEUE_FULL	11
-#define SEN_NOT_AVAIL	16
-#define SEN_PAD_ERROR	17
-#define SEN_RETRY	18
-#define SEN_RELEASED	24
-
-#define REC_EMPTY	 4
-#define REC_BUSY	 6
-#define REC_OPERAND_INV	 8
-#define REC_OPERAND_SIZE 9
-#define REC_EVEN_MOD	10
-#define REC_NO_WORK	11
-#define REC_HARDWAR_ERR	12
-#define REC_NO_RESPONSE	13
-#define REC_RETRY_DEV	14
-#define REC_USER_GONE	15
-#define REC_BAD_MESSAGE	16
-#define REC_INVALID_PAD	17
-#define REC_USE_PCICA	18
-
-#define WRONG_DEVICE_TYPE 20
-
-#define REC_FATAL_ERROR 32
-#define SEN_FATAL_ERROR 33
-#define TSQ_FATAL_ERROR 34
-#define RSQ_FATAL_ERROR 35
-
-#define Z90CRYPT_NUM_TYPES	6
-#define PCICA		0
-#define PCICC		1
-#define PCIXCC_MCL2	2
-#define PCIXCC_MCL3	3
-#define CEX2C		4
-#define CEX2A		5
-#define NILDEV		-1
-#define ANYDEV		-1
-#define PCIXCC_UNK	-2
-
-enum hdevice_type {
-	PCICC_HW  = 3,
-	PCICA_HW  = 4,
-	PCIXCC_HW = 5,
-	CEX2A_HW  = 6,
-	CEX2C_HW  = 7
-};
-
-struct CPRBX {
-	unsigned short cprb_len;
-	unsigned char  cprb_ver_id;
-	unsigned char  pad_000[3];
-	unsigned char  func_id[2];
-	unsigned char  cprb_flags[4];
-	unsigned int   req_parml;
-	unsigned int   req_datal;
-	unsigned int   rpl_msgbl;
-	unsigned int   rpld_parml;
-	unsigned int   rpl_datal;
-	unsigned int   rpld_datal;
-	unsigned int   req_extbl;
-	unsigned char  pad_001[4];
-	unsigned int   rpld_extbl;
-	unsigned char  req_parmb[16];
-	unsigned char  req_datab[16];
-	unsigned char  rpl_parmb[16];
-	unsigned char  rpl_datab[16];
-	unsigned char  req_extb[16];
-	unsigned char  rpl_extb[16];
-	unsigned short ccp_rtcode;
-	unsigned short ccp_rscode;
-	unsigned int   mac_data_len;
-	unsigned char  logon_id[8];
-	unsigned char  mac_value[8];
-	unsigned char  mac_content_flgs;
-	unsigned char  pad_002;
-	unsigned short domain;
-	unsigned char  pad_003[12];
-	unsigned char  pad_004[36];
-};
-
-#ifndef DEV_NAME
-#define DEV_NAME	"z90crypt"
-#endif
-#define PRINTK(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
-#define PRINTKN(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": " fmt, ## args)
-#define PRINTKW(fmt, args...) \
-	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
-#define PRINTKC(fmt, args...) \
-	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
-
-#ifdef Z90CRYPT_DEBUG
-#define PDEBUG(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
-#else
-#define PDEBUG(fmt, args...) do {} while (0)
-#endif
-
-#define UMIN(a,b) ((a) < (b) ? (a) : (b))
-#define IS_EVEN(x) ((x) == (2 * ((x) / 2)))
-
-#endif
diff --git a/drivers/s390/crypto/z90crypt.h b/drivers/s390/crypto/z90crypt.h
deleted file mode 100644
index 0ca1d126ccb..00000000000
--- a/drivers/s390/crypto/z90crypt.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- *  linux/drivers/s390/crypto/z90crypt.h
- *
- *  z90crypt 1.3.3 (kernel-private header)
- *
- *  Copyright (C)  2001, 2005 IBM Corporation
- *  Author(s): Robert Burroughs (burrough@us.ibm.com)
- *             Eric Rossman (edrossma@us.ibm.com)
- *
- *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef _Z90CRYPT_H_
-#define _Z90CRYPT_H_
-
-#include <asm/z90crypt.h>
-
-/**
- * local errno definitions
- */
-#define ENOBUFF	  129	// filp->private_data->...>work_elem_p->buffer is NULL
-#define EWORKPEND 130	// user issues ioctl while another pending
-#define ERELEASED 131	// user released while ioctl pending
-#define EQUIESCE  132	// z90crypt quiescing (no more work allowed)
-#define ETIMEOUT  133	// request timed out
-#define EUNKNOWN  134	// some unrecognized error occured (retry may succeed)
-#define EGETBUFF  135	// Error getting buffer or hardware lacks capability
-			// (retry in software)
-
-/**
- * DEPRECATED STRUCTURES
- */
-
-/**
- * This structure is DEPRECATED and the corresponding ioctl() has been
- * replaced with individual ioctl()s for each piece of data!
- * This structure will NOT survive past version 1.3.1, so switch to the
- * new ioctl()s.
- */
-#define MASK_LENGTH 64 // mask length
-struct ica_z90_status {
-	int totalcount;
-	int leedslitecount; // PCICA
-	int leeds2count;    // PCICC
-	// int PCIXCCCount; is not in struct for backward compatibility
-	int requestqWaitCount;
-	int pendingqWaitCount;
-	int totalOpenCount;
-	int cryptoDomain;
-	// status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
-	//         5=CEX2C
-	unsigned char status[MASK_LENGTH];
-	// qdepth: # work elements waiting for each device
-	unsigned char qdepth[MASK_LENGTH];
-};
-
-#endif /* _Z90CRYPT_H_ */
diff --git a/drivers/s390/crypto/z90hardware.c b/drivers/s390/crypto/z90hardware.c
deleted file mode 100644
index be60795f4a7..00000000000
--- a/drivers/s390/crypto/z90hardware.c
+++ /dev/null
@@ -1,2531 +0,0 @@
-/*
- *  linux/drivers/s390/crypto/z90hardware.c
- *
- *  z90crypt 1.3.3
- *
- *  Copyright (C)  2001, 2005 IBM Corporation
- *  Author(s): Robert Burroughs (burrough@us.ibm.com)
- *             Eric Rossman (edrossma@us.ibm.com)
- *
- *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <asm/uaccess.h>
-#include <linux/compiler.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include "z90crypt.h"
-#include "z90common.h"
-
-struct cca_token_hdr {
-	unsigned char  token_identifier;
-	unsigned char  version;
-	unsigned short token_length;
-	unsigned char  reserved[4];
-};
-
-#define CCA_TKN_HDR_ID_EXT 0x1E
-
-struct cca_private_ext_ME_sec {
-	unsigned char  section_identifier;
-	unsigned char  version;
-	unsigned short section_length;
-	unsigned char  private_key_hash[20];
-	unsigned char  reserved1[4];
-	unsigned char  key_format;
-	unsigned char  reserved2;
-	unsigned char  key_name_hash[20];
-	unsigned char  key_use_flags[4];
-	unsigned char  reserved3[6];
-	unsigned char  reserved4[24];
-	unsigned char  confounder[24];
-	unsigned char  exponent[128];
-	unsigned char  modulus[128];
-};
-
-#define CCA_PVT_USAGE_ALL 0x80
-
-struct cca_public_sec {
-	unsigned char  section_identifier;
-	unsigned char  version;
-	unsigned short section_length;
-	unsigned char  reserved[2];
-	unsigned short exponent_len;
-	unsigned short modulus_bit_len;
-	unsigned short modulus_byte_len;
-	unsigned char  exponent[3];
-};
-
-struct cca_private_ext_ME {
-	struct cca_token_hdr	      pvtMEHdr;
-	struct cca_private_ext_ME_sec pvtMESec;
-	struct cca_public_sec	      pubMESec;
-};
-
-struct cca_public_key {
-	struct cca_token_hdr  pubHdr;
-	struct cca_public_sec pubSec;
-};
-
-struct cca_pvt_ext_CRT_sec {
-	unsigned char  section_identifier;
-	unsigned char  version;
-	unsigned short section_length;
-	unsigned char  private_key_hash[20];
-	unsigned char  reserved1[4];
-	unsigned char  key_format;
-	unsigned char  reserved2;
-	unsigned char  key_name_hash[20];
-	unsigned char  key_use_flags[4];
-	unsigned short p_len;
-	unsigned short q_len;
-	unsigned short dp_len;
-	unsigned short dq_len;
-	unsigned short u_len;
-	unsigned short mod_len;
-	unsigned char  reserved3[4];
-	unsigned short pad_len;
-	unsigned char  reserved4[52];
-	unsigned char  confounder[8];
-};
-
-#define CCA_PVT_EXT_CRT_SEC_ID_PVT 0x08
-#define CCA_PVT_EXT_CRT_SEC_FMT_CL 0x40
-
-struct cca_private_ext_CRT {
-	struct cca_token_hdr	   pvtCrtHdr;
-	struct cca_pvt_ext_CRT_sec pvtCrtSec;
-	struct cca_public_sec	   pubCrtSec;
-};
-
-struct ap_status_word {
-	unsigned char q_stat_flags;
-	unsigned char response_code;
-	unsigned char reserved[2];
-};
-
-#define AP_Q_STATUS_EMPTY		0x80
-#define AP_Q_STATUS_REPLIES_WAITING	0x40
-#define AP_Q_STATUS_ARRAY_FULL		0x20
-
-#define AP_RESPONSE_NORMAL		0x00
-#define AP_RESPONSE_Q_NOT_AVAIL		0x01
-#define AP_RESPONSE_RESET_IN_PROGRESS	0x02
-#define AP_RESPONSE_DECONFIGURED	0x03
-#define AP_RESPONSE_CHECKSTOPPED	0x04
-#define AP_RESPONSE_BUSY		0x05
-#define AP_RESPONSE_Q_FULL		0x10
-#define AP_RESPONSE_NO_PENDING_REPLY	0x10
-#define AP_RESPONSE_INDEX_TOO_BIG	0x11
-#define AP_RESPONSE_NO_FIRST_PART	0x13
-#define AP_RESPONSE_MESSAGE_TOO_BIG	0x15
-
-#define AP_MAX_CDX_BITL		4
-#define AP_RQID_RESERVED_BITL	4
-#define SKIP_BITL		(AP_MAX_CDX_BITL + AP_RQID_RESERVED_BITL)
-
-struct type4_hdr {
-	unsigned char  reserved1;
-	unsigned char  msg_type_code;
-	unsigned short msg_len;
-	unsigned char  request_code;
-	unsigned char  msg_fmt;
-	unsigned short reserved2;
-};
-
-#define TYPE4_TYPE_CODE 0x04
-#define TYPE4_REQU_CODE 0x40
-
-#define TYPE4_SME_LEN 0x0188
-#define TYPE4_LME_LEN 0x0308
-#define TYPE4_SCR_LEN 0x01E0
-#define TYPE4_LCR_LEN 0x03A0
-
-#define TYPE4_SME_FMT 0x00
-#define TYPE4_LME_FMT 0x10
-#define TYPE4_SCR_FMT 0x40
-#define TYPE4_LCR_FMT 0x50
-
-struct type4_sme {
-	struct type4_hdr header;
-	unsigned char	 message[128];
-	unsigned char	 exponent[128];
-	unsigned char	 modulus[128];
-};
-
-struct type4_lme {
-	struct type4_hdr header;
-	unsigned char	 message[256];
-	unsigned char	 exponent[256];
-	unsigned char	 modulus[256];
-};
-
-struct type4_scr {
-	struct type4_hdr header;
-	unsigned char	 message[128];
-	unsigned char	 dp[72];
-	unsigned char	 dq[64];
-	unsigned char	 p[72];
-	unsigned char	 q[64];
-	unsigned char	 u[72];
-};
-
-struct type4_lcr {
-	struct type4_hdr header;
-	unsigned char	 message[256];
-	unsigned char	 dp[136];
-	unsigned char	 dq[128];
-	unsigned char	 p[136];
-	unsigned char	 q[128];
-	unsigned char	 u[136];
-};
-
-union type4_msg {
-	struct type4_sme sme;
-	struct type4_lme lme;
-	struct type4_scr scr;
-	struct type4_lcr lcr;
-};
-
-struct type84_hdr {
-	unsigned char  reserved1;
-	unsigned char  code;
-	unsigned short len;
-	unsigned char  reserved2[4];
-};
-
-#define TYPE84_RSP_CODE 0x84
-
-struct type6_hdr {
-	unsigned char reserved1;
-	unsigned char type;
-	unsigned char reserved2[2];
-	unsigned char right[4];
-	unsigned char reserved3[2];
-	unsigned char reserved4[2];
-	unsigned char apfs[4];
-	unsigned int  offset1;
-	unsigned int  offset2;
-	unsigned int  offset3;
-	unsigned int  offset4;
-	unsigned char agent_id[16];
-	unsigned char rqid[2];
-	unsigned char reserved5[2];
-	unsigned char function_code[2];
-	unsigned char reserved6[2];
-	unsigned int  ToCardLen1;
-	unsigned int  ToCardLen2;
-	unsigned int  ToCardLen3;
-	unsigned int  ToCardLen4;
-	unsigned int  FromCardLen1;
-	unsigned int  FromCardLen2;
-	unsigned int  FromCardLen3;
-	unsigned int  FromCardLen4;
-};
-
-struct CPRB {
-	unsigned char cprb_len[2];
-	unsigned char cprb_ver_id;
-	unsigned char pad_000;
-	unsigned char srpi_rtcode[4];
-	unsigned char srpi_verb;
-	unsigned char flags;
-	unsigned char func_id[2];
-	unsigned char checkpoint_flag;
-	unsigned char resv2;
-	unsigned char req_parml[2];
-	unsigned char req_parmp[4];
-	unsigned char req_datal[4];
-	unsigned char req_datap[4];
-	unsigned char rpl_parml[2];
-	unsigned char pad_001[2];
-	unsigned char rpl_parmp[4];
-	unsigned char rpl_datal[4];
-	unsigned char rpl_datap[4];
-	unsigned char ccp_rscode[2];
-	unsigned char ccp_rtcode[2];
-	unsigned char repd_parml[2];
-	unsigned char mac_data_len[2];
-	unsigned char repd_datal[4];
-	unsigned char req_pc[2];
-	unsigned char res_origin[8];
-	unsigned char mac_value[8];
-	unsigned char logon_id[8];
-	unsigned char usage_domain[2];
-	unsigned char resv3[18];
-	unsigned char svr_namel[2];
-	unsigned char svr_name[8];
-};
-
-struct type6_msg {
-	struct type6_hdr header;
-	struct CPRB	 CPRB;
-};
-
-struct type86_hdr {
-	unsigned char reserved1;
-	unsigned char type;
-	unsigned char format;
-	unsigned char reserved2;
-	unsigned char reply_code;
-	unsigned char reserved3[3];
-};
-
-#define TYPE86_RSP_CODE 0x86
-#define TYPE86_FMT2	0x02
-
-struct type86_fmt2_msg {
-	struct type86_hdr header;
-	unsigned char	  reserved[4];
-	unsigned char	  apfs[4];
-	unsigned int	  count1;
-	unsigned int	  offset1;
-	unsigned int	  count2;
-	unsigned int	  offset2;
-	unsigned int	  count3;
-	unsigned int	  offset3;
-	unsigned int	  count4;
-	unsigned int	  offset4;
-};
-
-static struct type6_hdr static_type6_hdr = {
-	0x00,
-	0x06,
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	0x00000058,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	{0x01,0x00,0x43,0x43,0x41,0x2D,0x41,0x50,
-	 0x50,0x4C,0x20,0x20,0x20,0x01,0x01,0x01},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x50,0x44},
-	{0x00,0x00},
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000
-};
-
-static struct type6_hdr static_type6_hdrX = {
-	0x00,
-	0x06,
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	0x00000058,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	{0x43,0x41,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x50,0x44},
-	{0x00,0x00},
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000
-};
-
-static struct CPRB static_cprb = {
-	{0x70,0x00},
-	0x41,
-	0x00,
-	{0x00,0x00,0x00,0x00},
-	0x00,
-	0x00,
-	{0x54,0x32},
-	0x01,
-	0x00,
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00},
-	{0x08,0x00},
-	{0x49,0x43,0x53,0x46,0x20,0x20,0x20,0x20}
-};
-
-struct function_and_rules_block {
-	unsigned char function_code[2];
-	unsigned char ulen[2];
-	unsigned char only_rule[8];
-};
-
-static struct function_and_rules_block static_pkd_function_and_rules = {
-	{0x50,0x44},
-	{0x0A,0x00},
-	{'P','K','C','S','-','1','.','2'}
-};
-
-static struct function_and_rules_block static_pke_function_and_rules = {
-	{0x50,0x4B},
-	{0x0A,0x00},
-	{'P','K','C','S','-','1','.','2'}
-};
-
-struct T6_keyBlock_hdr {
-	unsigned char blen[2];
-	unsigned char ulen[2];
-	unsigned char flags[2];
-};
-
-static struct T6_keyBlock_hdr static_T6_keyBlock_hdr = {
-	{0x89,0x01},
-	{0x87,0x01},
-	{0x00}
-};
-
-static struct CPRBX static_cprbx = {
-	0x00DC,
-	0x02,
-	{0x00,0x00,0x00},
-	{0x54,0x32},
-	{0x00,0x00,0x00,0x00},
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	0x00000000,
-	{0x00,0x00,0x00,0x00},
-	0x00000000,
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	0x0000,
-	0x0000,
-	0x00000000,
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	0x00,
-	0x00,
-	0x0000,
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}
-};
-
-static struct function_and_rules_block static_pkd_function_and_rulesX_MCL2 = {
-	{0x50,0x44},
-	{0x00,0x0A},
-	{'P','K','C','S','-','1','.','2'}
-};
-
-static struct function_and_rules_block static_pke_function_and_rulesX_MCL2 = {
-	{0x50,0x4B},
-	{0x00,0x0A},
-	{'Z','E','R','O','-','P','A','D'}
-};
-
-static struct function_and_rules_block static_pkd_function_and_rulesX = {
-	{0x50,0x44},
-	{0x00,0x0A},
-	{'Z','E','R','O','-','P','A','D'}
-};
-
-static struct function_and_rules_block static_pke_function_and_rulesX = {
-	{0x50,0x4B},
-	{0x00,0x0A},
-	{'M','R','P',' ',' ',' ',' ',' '}
-};
-
-static unsigned char static_PKE_function_code[2] = {0x50, 0x4B};
-
-struct T6_keyBlock_hdrX {
-	unsigned short blen;
-	unsigned short ulen;
-	unsigned char flags[2];
-};
-
-static unsigned char static_pad[256] = {
-0x1B,0x7B,0x5D,0xB5,0x75,0x01,0x3D,0xFD,0x8D,0xD1,0xC7,0x03,0x2D,0x09,0x23,0x57,
-0x89,0x49,0xB9,0x3F,0xBB,0x99,0x41,0x5B,0x75,0x21,0x7B,0x9D,0x3B,0x6B,0x51,0x39,
-0xBB,0x0D,0x35,0xB9,0x89,0x0F,0x93,0xA5,0x0B,0x47,0xF1,0xD3,0xBB,0xCB,0xF1,0x9D,
-0x23,0x73,0x71,0xFF,0xF3,0xF5,0x45,0xFB,0x61,0x29,0x23,0xFD,0xF1,0x29,0x3F,0x7F,
-0x17,0xB7,0x1B,0xA9,0x19,0xBD,0x57,0xA9,0xD7,0x95,0xA3,0xCB,0xED,0x1D,0xDB,0x45,
-0x7D,0x11,0xD1,0x51,0x1B,0xED,0x71,0xE9,0xB1,0xD1,0xAB,0xAB,0x21,0x2B,0x1B,0x9F,
-0x3B,0x9F,0xF7,0xF7,0xBD,0x63,0xEB,0xAD,0xDF,0xB3,0x6F,0x5B,0xDB,0x8D,0xA9,0x5D,
-0xE3,0x7D,0x77,0x49,0x47,0xF5,0xA7,0xFD,0xAB,0x2F,0x27,0x35,0x77,0xD3,0x49,0xC9,
-0x09,0xEB,0xB1,0xF9,0xBF,0x4B,0xCB,0x2B,0xEB,0xEB,0x05,0xFF,0x7D,0xC7,0x91,0x8B,
-0x09,0x83,0xB9,0xB9,0x69,0x33,0x39,0x6B,0x79,0x75,0x19,0xBF,0xBB,0x07,0x1D,0xBD,
-0x29,0xBF,0x39,0x95,0x93,0x1D,0x35,0xC7,0xC9,0x4D,0xE5,0x97,0x0B,0x43,0x9B,0xF1,
-0x16,0x93,0x03,0x1F,0xA5,0xFB,0xDB,0xF3,0x27,0x4F,0x27,0x61,0x05,0x1F,0xB9,0x23,
-0x2F,0xC3,0x81,0xA9,0x23,0x71,0x55,0x55,0xEB,0xED,0x41,0xE5,0xF3,0x11,0xF1,0x43,
-0x69,0x03,0xBD,0x0B,0x37,0x0F,0x51,0x8F,0x0B,0xB5,0x89,0x5B,0x67,0xA9,0xD9,0x4F,
-0x01,0xF9,0x21,0x77,0x37,0x73,0x79,0xC5,0x7F,0x51,0xC1,0xCF,0x97,0xA1,0x75,0xAD,
-0x35,0x9D,0xD3,0xD3,0xA7,0x9D,0x5D,0x41,0x6F,0x65,0x1B,0xCF,0xA9,0x87,0x91,0x09
-};
-
-static struct cca_private_ext_ME static_pvt_me_key = {
-	{
-		0x1E,
-		0x00,
-		0x0183,
-		{0x00,0x00,0x00,0x00}
-	},
-
-	{
-		0x02,
-		0x00,
-		0x016C,
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00},
-		0x00,
-		0x00,
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00},
-		{0x80,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-		{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-		 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}
-	},
-
-	{
-		0x04,
-		0x00,
-		0x000F,
-		{0x00,0x00},
-		0x0003,
-		0x0000,
-		0x0000,
-		{0x01,0x00,0x01}
-	}
-};
-
-static struct cca_public_key static_public_key = {
-	{
-		0x1E,
-		0x00,
-		0x0000,
-		{0x00,0x00,0x00,0x00}
-	},
-
-	{
-		0x04,
-		0x00,
-		0x0000,
-		{0x00,0x00},
-		0x0000,
-		0x0000,
-		0x0000,
-		{0x01,0x00,0x01}
-	}
-};
-
-#define FIXED_TYPE6_ME_LEN 0x0000025F
-
-#define FIXED_TYPE6_ME_EN_LEN 0x000000F0
-
-#define FIXED_TYPE6_ME_LENX 0x000002CB
-
-#define FIXED_TYPE6_ME_EN_LENX 0x0000015C
-
-static struct cca_public_sec static_cca_pub_sec = {
-	0x04,
-	0x00,
-	0x000f,
-	{0x00,0x00},
-	0x0003,
-	0x0000,
-	0x0000,
-	{0x01,0x00,0x01}
-};
-
-#define FIXED_TYPE6_CR_LEN 0x00000177
-
-#define FIXED_TYPE6_CR_LENX 0x000001E3
-
-#define MAX_RESPONSE_SIZE 0x00000710
-
-#define MAX_RESPONSEX_SIZE 0x0000077C
-
-#define RESPONSE_CPRB_SIZE  0x000006B8
-#define RESPONSE_CPRBX_SIZE 0x00000724
-
-struct type50_hdr {
-	u8    reserved1;
-	u8    msg_type_code;
-	u16   msg_len;
-	u8    reserved2;
-	u8    ignored;
-	u16   reserved3;
-};
-
-#define TYPE50_TYPE_CODE 0x50
-
-#define TYPE50_MEB1_LEN (sizeof(struct type50_meb1_msg))
-#define TYPE50_MEB2_LEN (sizeof(struct type50_meb2_msg))
-#define TYPE50_CRB1_LEN (sizeof(struct type50_crb1_msg))
-#define TYPE50_CRB2_LEN (sizeof(struct type50_crb2_msg))
-
-#define TYPE50_MEB1_FMT 0x0001
-#define TYPE50_MEB2_FMT 0x0002
-#define TYPE50_CRB1_FMT 0x0011
-#define TYPE50_CRB2_FMT 0x0012
-
-struct type50_meb1_msg {
-	struct type50_hdr	header;
-	u16			keyblock_type;
-	u8			reserved[6];
-	u8			exponent[128];
-	u8			modulus[128];
-	u8			message[128];
-};
-
-struct type50_meb2_msg {
-	struct type50_hdr	header;
-	u16			keyblock_type;
-	u8			reserved[6];
-	u8			exponent[256];
-	u8			modulus[256];
-	u8			message[256];
-};
-
-struct type50_crb1_msg {
-	struct type50_hdr	header;
-	u16			keyblock_type;
-	u8			reserved[6];
-	u8			p[64];
-	u8			q[64];
-	u8			dp[64];
-	u8			dq[64];
-	u8			u[64];
-	u8			message[128];
-};
-
-struct type50_crb2_msg {
-	struct type50_hdr	header;
-	u16			keyblock_type;
-	u8			reserved[6];
-	u8			p[128];
-	u8			q[128];
-	u8			dp[128];
-	u8			dq[128];
-	u8			u[128];
-	u8			message[256];
-};
-
-union type50_msg {
-	struct type50_meb1_msg meb1;
-	struct type50_meb2_msg meb2;
-	struct type50_crb1_msg crb1;
-	struct type50_crb2_msg crb2;
-};
-
-struct type80_hdr {
-	u8	reserved1;
-	u8	type;
-	u16	len;
-	u8	code;
-	u8	reserved2[3];
-	u8	reserved3[8];
-};
-
-#define TYPE80_RSP_CODE 0x80
-
-struct error_hdr {
-	unsigned char reserved1;
-	unsigned char type;
-	unsigned char reserved2[2];
-	unsigned char reply_code;
-	unsigned char reserved3[3];
-};
-
-#define TYPE82_RSP_CODE 0x82
-#define TYPE88_RSP_CODE 0x88
-
-#define REP82_ERROR_MACHINE_FAILURE  0x10
-#define REP82_ERROR_PREEMPT_FAILURE  0x12
-#define REP82_ERROR_CHECKPT_FAILURE  0x14
-#define REP82_ERROR_MESSAGE_TYPE     0x20
-#define REP82_ERROR_INVALID_COMM_CD  0x21
-#define REP82_ERROR_INVALID_MSG_LEN  0x23
-#define REP82_ERROR_RESERVD_FIELD    0x24
-#define REP82_ERROR_FORMAT_FIELD     0x29
-#define REP82_ERROR_INVALID_COMMAND  0x30
-#define REP82_ERROR_MALFORMED_MSG    0x40
-#define REP82_ERROR_RESERVED_FIELDO  0x50
-#define REP82_ERROR_WORD_ALIGNMENT   0x60
-#define REP82_ERROR_MESSAGE_LENGTH   0x80
-#define REP82_ERROR_OPERAND_INVALID  0x82
-#define REP82_ERROR_OPERAND_SIZE     0x84
-#define REP82_ERROR_EVEN_MOD_IN_OPND 0x85
-#define REP82_ERROR_RESERVED_FIELD   0x88
-#define REP82_ERROR_TRANSPORT_FAIL   0x90
-#define REP82_ERROR_PACKET_TRUNCATED 0xA0
-#define REP82_ERROR_ZERO_BUFFER_LEN  0xB0
-
-#define REP88_ERROR_MODULE_FAILURE   0x10
-#define REP88_ERROR_MODULE_TIMEOUT   0x11
-#define REP88_ERROR_MODULE_NOTINIT   0x13
-#define REP88_ERROR_MODULE_NOTAVAIL  0x14
-#define REP88_ERROR_MODULE_DISABLED  0x15
-#define REP88_ERROR_MODULE_IN_DIAGN  0x17
-#define REP88_ERROR_FASTPATH_DISABLD 0x19
-#define REP88_ERROR_MESSAGE_TYPE     0x20
-#define REP88_ERROR_MESSAGE_MALFORMD 0x22
-#define REP88_ERROR_MESSAGE_LENGTH   0x23
-#define REP88_ERROR_RESERVED_FIELD   0x24
-#define REP88_ERROR_KEY_TYPE         0x34
-#define REP88_ERROR_INVALID_KEY      0x82
-#define REP88_ERROR_OPERAND          0x84
-#define REP88_ERROR_OPERAND_EVEN_MOD 0x85
-
-#define CALLER_HEADER 12
-
-static inline int
-testq(int q_nr, int *q_depth, int *dev_type, struct ap_status_word *stat)
-{
-	int ccode;
-
-	asm volatile
-#ifdef CONFIG_64BIT
-	("	llgfr	0,%4		\n"
-	 "	slgr	1,1		\n"
-	 "	lgr	2,1		\n"
-	 "0:	.long	0xb2af0000	\n"
-	 "1:	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	iihh	%0,0		\n"
-	 "	iihl	%0,0		\n"
-	 "	lgr	%1,1		\n"
-	 "	lgr	%3,2		\n"
-	 "	srl	%3,24		\n"
-	 "	sll	2,24		\n"
-	 "	srl	2,24		\n"
-	 "	lgr	%2,2		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h5		\n"
-	 "	jg	2b		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	8		\n"
-	 "	.quad	0b,3b		\n"
-	 "	.quad	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat),"=d" (*q_depth), "=d" (*dev_type)
-	 :"d" (q_nr), "K" (DEV_TSQ_EXCEPTION)
-	 :"cc","0","1","2","memory");
-#else
-	("	lr	0,%4		\n"
-	 "	slr	1,1		\n"
-	 "	lr	2,1		\n"
-	 "0:	.long	0xb2af0000	\n"
-	 "1:	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	lr	%1,1		\n"
-	 "	lr	%3,2		\n"
-	 "	srl	%3,24		\n"
-	 "	sll	2,24		\n"
-	 "	srl	2,24		\n"
-	 "	lr	%2,2		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h5		\n"
-	 "	bras	1,4f		\n"
-	 "	.long	2b		\n"
-	 "4:				\n"
-	 "	l	1,0(1)		\n"
-	 "	br	1		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	4		\n"
-	 "	.long	0b,3b		\n"
-	 "	.long	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat),"=d" (*q_depth), "=d" (*dev_type)
-	 :"d" (q_nr), "K" (DEV_TSQ_EXCEPTION)
-	 :"cc","0","1","2","memory");
-#endif
-	return ccode;
-}
-
-static inline int
-resetq(int q_nr, struct ap_status_word *stat_p)
-{
-	int ccode;
-
-	asm volatile
-#ifdef CONFIG_64BIT
-	("	llgfr	0,%2		\n"
-	 "	lghi	1,1		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	slgr	1,1		\n"
-	 "	lgr	2,1		\n"
-	 "0:	.long	0xb2af0000	\n"
-	 "1:	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	iihh	%0,0		\n"
-	 "	iihl	%0,0		\n"
-	 "	lgr	%1,1		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h3		\n"
-	 "	jg	2b		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	8		\n"
-	 "	.quad	0b,3b		\n"
-	 "	.quad	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat_p)
-	 :"d" (q_nr), "K" (DEV_RSQ_EXCEPTION)
-	 :"cc","0","1","2","memory");
-#else
-	("	lr	0,%2		\n"
-	 "	lhi	1,1		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	slr	1,1		\n"
-	 "	lr	2,1		\n"
-	 "0:	.long	0xb2af0000	\n"
-	 "1:	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	lr	%1,1		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h3		\n"
-	 "	bras	1,4f		\n"
-	 "	.long	2b		\n"
-	 "4:				\n"
-	 "	l	1,0(1)		\n"
-	 "	br	1		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	4		\n"
-	 "	.long	0b,3b		\n"
-	 "	.long	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat_p)
-	 :"d" (q_nr), "K" (DEV_RSQ_EXCEPTION)
-	 :"cc","0","1","2","memory");
-#endif
-	return ccode;
-}
-
-static inline int
-sen(int msg_len, unsigned char *msg_ext, struct ap_status_word *stat)
-{
-	int ccode;
-
-	asm volatile
-#ifdef CONFIG_64BIT
-	("	lgr	6,%3		\n"
-	 "	llgfr	7,%2		\n"
-	 "	llgt	0,0(6)		\n"
-	 "	lghi	1,64		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	la	6,4(6)		\n"
-	 "	llgt	2,0(6)		\n"
-	 "	llgt	3,4(6)		\n"
-	 "	la	6,8(6)		\n"
-	 "	slr	1,1		\n"
-	 "0:	.long	0xb2ad0026	\n"
-	 "1:	brc	2,0b		\n"
-	 "	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	iihh	%0,0		\n"
-	 "	iihl	%0,0		\n"
-	 "	lgr	%1,1		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h4		\n"
-	 "	jg	2b		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	8		\n"
-	 "	.quad	0b,3b		\n"
-	 "	.quad	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat)
-	 :"d" (msg_len),"a" (msg_ext), "K" (DEV_SEN_EXCEPTION)
-	 :"cc","0","1","2","3","6","7","memory");
-#else
-	("	lr	6,%3		\n"
-	 "	lr	7,%2		\n"
-	 "	l	0,0(6)		\n"
-	 "	lhi	1,64		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	la	6,4(6)		\n"
-	 "	l	2,0(6)		\n"
-	 "	l	3,4(6)		\n"
-	 "	la	6,8(6)		\n"
-	 "	slr	1,1		\n"
-	 "0:	.long	0xb2ad0026	\n"
-	 "1:	brc	2,0b		\n"
-	 "	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	lr	%1,1		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi	%0,%h4		\n"
-	 "	bras	1,4f		\n"
-	 "	.long	2b		\n"
-	 "4:				\n"
-	 "	l	1,0(1)		\n"
-	 "	br	1		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "	.align	4		\n"
-	 "	.long	0b,3b		\n"
-	 "	.long	1b,3b		\n"
-	 ".previous"
-	 :"=d" (ccode),"=d" (*stat)
-	 :"d" (msg_len),"a" (msg_ext), "K" (DEV_SEN_EXCEPTION)
-	 :"cc","0","1","2","3","6","7","memory");
-#endif
-	return ccode;
-}
-
-static inline int
-rec(int q_nr, int buff_l, unsigned char *rsp, unsigned char *id,
-    struct ap_status_word *st)
-{
-	int ccode;
-
-	asm volatile
-#ifdef CONFIG_64BIT
-	("	llgfr	0,%2		\n"
-	 "	lgr	3,%4		\n"
-	 "	lgr	6,%3		\n"
-	 "	llgfr	7,%5		\n"
-	 "	lghi	1,128		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	slgr	1,1		\n"
-	 "	lgr	2,1		\n"
-	 "	lgr	4,1		\n"
-	 "	lgr	5,1		\n"
-	 "0:	.long	0xb2ae0046	\n"
-	 "1:	brc	2,0b		\n"
-	 "	brc	4,0b		\n"
-	 "	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	iihh	%0,0		\n"
-	 "	iihl	%0,0		\n"
-	 "	lgr	%1,1		\n"
-	 "	st	4,0(3)		\n"
-	 "	st	5,4(3)		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi   %0,%h6		\n"
-	 "	jg    2b		\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "   .align	8		\n"
-	 "   .quad	0b,3b		\n"
-	 "   .quad	1b,3b		\n"
-	 ".previous"
-	 :"=d"(ccode),"=d"(*st)
-	 :"d" (q_nr), "d" (rsp), "d" (id), "d" (buff_l), "K" (DEV_REC_EXCEPTION)
-	 :"cc","0","1","2","3","4","5","6","7","memory");
-#else
-	("	lr	0,%2		\n"
-	 "	lr	3,%4		\n"
-	 "	lr	6,%3		\n"
-	 "	lr	7,%5		\n"
-	 "	lhi	1,128		\n"
-	 "	sll	1,24		\n"
-	 "	or	0,1		\n"
-	 "	slr	1,1		\n"
-	 "	lr	2,1		\n"
-	 "	lr	4,1		\n"
-	 "	lr	5,1		\n"
-	 "0:	.long	0xb2ae0046	\n"
-	 "1:	brc	2,0b		\n"
-	 "	brc	4,0b		\n"
-	 "	ipm	%0		\n"
-	 "	srl	%0,28		\n"
-	 "	lr	%1,1		\n"
-	 "	st	4,0(3)		\n"
-	 "	st	5,4(3)		\n"
-	 "2:				\n"
-	 ".section .fixup,\"ax\"	\n"
-	 "3:				\n"
-	 "	lhi   %0,%h6		\n"
-	 "	bras  1,4f		\n"
-	 "	.long 2b		\n"
-	 "4:				\n"
-	 "	l     1,0(1)		\n"
-	 "	br    1			\n"
-	 ".previous			\n"
-	 ".section __ex_table,\"a\"	\n"
-	 "   .align	4		\n"
-	 "   .long	0b,3b		\n"
-	 "   .long	1b,3b		\n"
-	 ".previous"
-	 :"=d"(ccode),"=d"(*st)
-	 :"d" (q_nr), "d" (rsp), "d" (id), "d" (buff_l), "K" (DEV_REC_EXCEPTION)
-	 :"cc","0","1","2","3","4","5","6","7","memory");
-#endif
-	return ccode;
-}
-
-static inline void
-itoLe2(int *i_p, unsigned char *lechars)
-{
-	*lechars       = *((unsigned char *) i_p + sizeof(int) - 1);
-	*(lechars + 1) = *((unsigned char *) i_p + sizeof(int) - 2);
-}
-
-static inline void
-le2toI(unsigned char *lechars, int *i_p)
-{
-	unsigned char *ic_p;
-	*i_p = 0;
-	ic_p = (unsigned char *) i_p;
-	*(ic_p + 2) = *(lechars + 1);
-	*(ic_p + 3) = *(lechars);
-}
-
-static inline int
-is_empty(unsigned char *ptr, int len)
-{
-	return !memcmp(ptr, (unsigned char *) &static_pvt_me_key+60, len);
-}
-
-enum hdstat
-query_online(int deviceNr, int cdx, int resetNr, int *q_depth, int *dev_type)
-{
-	int q_nr, i, t_depth, t_dev_type;
-	enum devstat ccode;
-	struct ap_status_word stat_word;
-	enum hdstat stat;
-	int break_out;
-
-	q_nr = (deviceNr << SKIP_BITL) + cdx;
-	stat = HD_BUSY;
-	ccode = testq(q_nr, &t_depth, &t_dev_type, &stat_word);
-	PDEBUG("ccode %d response_code %02X\n", ccode, stat_word.response_code);
-	break_out = 0;
-	for (i = 0; i < resetNr; i++) {
-		if (ccode > 3) {
-			PRINTKC("Exception testing device %d\n", i);
-			return HD_TSQ_EXCEPTION;
-		}
-		switch (ccode) {
-		case 0:
-			PDEBUG("t_dev_type %d\n", t_dev_type);
-			break_out = 1;
-			stat = HD_ONLINE;
-			*q_depth = t_depth + 1;
-			switch (t_dev_type) {
-			case PCICA_HW:
-				*dev_type = PCICA;
-				break;
-			case PCICC_HW:
-				*dev_type = PCICC;
-				break;
-			case PCIXCC_HW:
-				*dev_type = PCIXCC_UNK;
-				break;
-			case CEX2C_HW:
-				*dev_type = CEX2C;
-				break;
-			case CEX2A_HW:
-				*dev_type = CEX2A;
-				break;
-			default:
-				*dev_type = NILDEV;
-				break;
-			}
-			PDEBUG("available device %d: Q depth = %d, dev "
-			       "type = %d, stat = %02X%02X%02X%02X\n",
-			       deviceNr, *q_depth, *dev_type,
-			       stat_word.q_stat_flags,
-			       stat_word.response_code,
-			       stat_word.reserved[0],
-			       stat_word.reserved[1]);
-			break;
-		case 3:
-			switch (stat_word.response_code) {
-			case AP_RESPONSE_NORMAL:
-				stat = HD_ONLINE;
-				break_out = 1;
-				*q_depth = t_depth + 1;
-				*dev_type = t_dev_type;
-				PDEBUG("cc3, available device "
-				       "%d: Q depth = %d, dev "
-				       "type = %d, stat = "
-				       "%02X%02X%02X%02X\n",
-				       deviceNr, *q_depth,
-				       *dev_type,
-				       stat_word.q_stat_flags,
-				       stat_word.response_code,
-				       stat_word.reserved[0],
-				       stat_word.reserved[1]);
-				break;
-			case AP_RESPONSE_Q_NOT_AVAIL:
-				stat = HD_NOT_THERE;
-				break_out = 1;
-				break;
-			case AP_RESPONSE_RESET_IN_PROGRESS:
-				PDEBUG("device %d in reset\n",
-				       deviceNr);
-				break;
-			case AP_RESPONSE_DECONFIGURED:
-				stat = HD_DECONFIGURED;
-				break_out = 1;
-				break;
-			case AP_RESPONSE_CHECKSTOPPED:
-				stat = HD_CHECKSTOPPED;
-				break_out = 1;
-				break;
-			case AP_RESPONSE_BUSY:
-				PDEBUG("device %d busy\n",
-				       deviceNr);
-				break;
-			default:
-				break;
-			}
-			break;
-		default:
-			stat = HD_NOT_THERE;
-			break_out = 1;
-			break;
-		}
-		if (break_out)
-			break;
-
-		udelay(5);
-
-		ccode = testq(q_nr, &t_depth, &t_dev_type, &stat_word);
-	}
-	return stat;
-}
-
-enum devstat
-reset_device(int deviceNr, int cdx, int resetNr)
-{
-	int q_nr, ccode = 0, dummy_qdepth, dummy_devType, i;
-	struct ap_status_word stat_word;
-	enum devstat stat;
-	int break_out;
-
-	q_nr = (deviceNr << SKIP_BITL) + cdx;
-	stat = DEV_GONE;
-	ccode = resetq(q_nr, &stat_word);
-	if (ccode > 3)
-		return DEV_RSQ_EXCEPTION;
-
-	break_out = 0;
-	for (i = 0; i < resetNr; i++) {
-		switch (ccode) {
-		case 0:
-			stat = DEV_ONLINE;
-			if (stat_word.q_stat_flags & AP_Q_STATUS_EMPTY)
-				break_out = 1;
-			break;
-		case 3:
-			switch (stat_word.response_code) {
-			case AP_RESPONSE_NORMAL:
-				stat = DEV_ONLINE;
-				if (stat_word.q_stat_flags & AP_Q_STATUS_EMPTY)
-					break_out = 1;
-				break;
-			case AP_RESPONSE_Q_NOT_AVAIL:
-			case AP_RESPONSE_DECONFIGURED:
-			case AP_RESPONSE_CHECKSTOPPED:
-				stat = DEV_GONE;
-				break_out = 1;
-				break;
-			case AP_RESPONSE_RESET_IN_PROGRESS:
-			case AP_RESPONSE_BUSY:
-			default:
-				break;
-			}
-			break;
-		default:
-			stat = DEV_GONE;
-			break_out = 1;
-			break;
-		}
-		if (break_out == 1)
-			break;
-		udelay(5);
-
-		ccode = testq(q_nr, &dummy_qdepth, &dummy_devType, &stat_word);
-		if (ccode > 3) {
-			stat = DEV_TSQ_EXCEPTION;
-			break;
-		}
-	}
-	PDEBUG("Number of testq's needed for reset: %d\n", i);
-
-	if (i >= resetNr) {
-	  stat = DEV_GONE;
-	}
-
-	return stat;
-}
-
-#ifdef DEBUG_HYDRA_MSGS
-static inline void
-print_buffer(unsigned char *buffer, int bufflen)
-{
-	int i;
-	for (i = 0; i < bufflen; i += 16) {
-		PRINTK("%04X: %02X%02X%02X%02X %02X%02X%02X%02X "
-		       "%02X%02X%02X%02X %02X%02X%02X%02X\n", i,
-		       buffer[i+0], buffer[i+1], buffer[i+2], buffer[i+3],
-		       buffer[i+4], buffer[i+5], buffer[i+6], buffer[i+7],
-		       buffer[i+8], buffer[i+9], buffer[i+10], buffer[i+11],
-		       buffer[i+12], buffer[i+13], buffer[i+14], buffer[i+15]);
-	}
-}
-#endif
-
-enum devstat
-send_to_AP(int dev_nr, int cdx, int msg_len, unsigned char *msg_ext)
-{
-	struct ap_status_word stat_word;
-	enum devstat stat;
-	int ccode;
-	u32 *q_nr_p = (u32 *)msg_ext;
-
-	*q_nr_p = (dev_nr << SKIP_BITL) + cdx;
-	PDEBUG("msg_len passed to sen: %d\n", msg_len);
-	PDEBUG("q number passed to sen: %02x%02x%02x%02x\n",
-	       msg_ext[0], msg_ext[1], msg_ext[2], msg_ext[3]);
-	stat = DEV_GONE;
-
-#ifdef DEBUG_HYDRA_MSGS
-	PRINTK("Request header: %02X%02X%02X%02X %02X%02X%02X%02X "
-	       "%02X%02X%02X%02X\n",
-	       msg_ext[0], msg_ext[1], msg_ext[2], msg_ext[3],
-	       msg_ext[4], msg_ext[5], msg_ext[6], msg_ext[7],
-	       msg_ext[8], msg_ext[9], msg_ext[10], msg_ext[11]);
-	print_buffer(msg_ext+CALLER_HEADER, msg_len);
-#endif
-
-	ccode = sen(msg_len, msg_ext, &stat_word);
-	if (ccode > 3)
-		return DEV_SEN_EXCEPTION;
-
-	PDEBUG("nq cc: %u, st: %02x%02x%02x%02x\n",
-	       ccode, stat_word.q_stat_flags, stat_word.response_code,
-	       stat_word.reserved[0], stat_word.reserved[1]);
-	switch (ccode) {
-	case 0:
-		stat = DEV_ONLINE;
-		break;
-	case 1:
-		stat = DEV_GONE;
-		break;
-	case 3:
-		switch (stat_word.response_code) {
-		case AP_RESPONSE_NORMAL:
-			stat = DEV_ONLINE;
-			break;
-		case AP_RESPONSE_Q_FULL:
-			stat = DEV_QUEUE_FULL;
-			break;
-		default:
-			stat = DEV_GONE;
-			break;
-		}
-		break;
-	default:
-		stat = DEV_GONE;
-		break;
-	}
-
-	return stat;
-}
-
-enum devstat
-receive_from_AP(int dev_nr, int cdx, int resplen, unsigned char *resp,
-		unsigned char *psmid)
-{
-	int ccode;
-	struct ap_status_word stat_word;
-	enum devstat stat;
-
-	memset(resp, 0x00, 8);
-
-	ccode = rec((dev_nr << SKIP_BITL) + cdx, resplen, resp, psmid,
-		    &stat_word);
-	if (ccode > 3)
-		return DEV_REC_EXCEPTION;
-
-	PDEBUG("dq cc: %u, st: %02x%02x%02x%02x\n",
-	       ccode, stat_word.q_stat_flags, stat_word.response_code,
-	       stat_word.reserved[0], stat_word.reserved[1]);
-
-	stat = DEV_GONE;
-	switch (ccode) {
-	case 0:
-		stat = DEV_ONLINE;
-#ifdef DEBUG_HYDRA_MSGS
-		print_buffer(resp, resplen);
-#endif
-		break;
-	case 3:
-		switch (stat_word.response_code) {
-		case AP_RESPONSE_NORMAL:
-			stat = DEV_ONLINE;
-			break;
-		case AP_RESPONSE_NO_PENDING_REPLY:
-			if (stat_word.q_stat_flags & AP_Q_STATUS_EMPTY)
-				stat = DEV_EMPTY;
-			else
-				stat = DEV_NO_WORK;
-			break;
-		case AP_RESPONSE_INDEX_TOO_BIG:
-		case AP_RESPONSE_NO_FIRST_PART:
-		case AP_RESPONSE_MESSAGE_TOO_BIG:
-			stat = DEV_BAD_MESSAGE;
-			break;
-		default:
-			break;
-		}
-		break;
-	default:
-		break;
-	}
-
-	return stat;
-}
-
-static inline int
-pad_msg(unsigned char *buffer, int  totalLength, int msgLength)
-{
-	int pad_len;
-
-	for (pad_len = 0; pad_len < (totalLength - msgLength); pad_len++)
-		if (buffer[pad_len] != 0x00)
-			break;
-	pad_len -= 3;
-	if (pad_len < 8)
-		return SEN_PAD_ERROR;
-
-	buffer[0] = 0x00;
-	buffer[1] = 0x02;
-
-	memcpy(buffer+2, static_pad, pad_len);
-
-	buffer[pad_len + 2] = 0x00;
-
-	return 0;
-}
-
-static inline int
-is_common_public_key(unsigned char *key, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		if (key[i])
-			break;
-	key += i;
-	len -= i;
-	if (((len == 1) && (key[0] == 3)) ||
-	    ((len == 3) && (key[0] == 1) && (key[1] == 0) && (key[2] == 1)))
-		return 1;
-
-	return 0;
-}
-
-static int
-ICAMEX_msg_to_type4MEX_msg(struct ica_rsa_modexpo *icaMex_p, int *z90cMsg_l_p,
-			   union type4_msg *z90cMsg_p)
-{
-	int mod_len, msg_size, mod_tgt_len, exp_tgt_len, inp_tgt_len;
-	unsigned char *mod_tgt, *exp_tgt, *inp_tgt;
-	union type4_msg *tmp_type4_msg;
-
-	mod_len = icaMex_p->inputdatalength;
-
-	msg_size = ((mod_len <= 128) ? TYPE4_SME_LEN : TYPE4_LME_LEN) +
-		    CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, msg_size);
-
-	tmp_type4_msg = (union type4_msg *)
-		((unsigned char *) z90cMsg_p + CALLER_HEADER);
-
-	tmp_type4_msg->sme.header.msg_type_code = TYPE4_TYPE_CODE;
-	tmp_type4_msg->sme.header.request_code = TYPE4_REQU_CODE;
-
-	if (mod_len <= 128) {
-		tmp_type4_msg->sme.header.msg_fmt = TYPE4_SME_FMT;
-		tmp_type4_msg->sme.header.msg_len = TYPE4_SME_LEN;
-		mod_tgt = tmp_type4_msg->sme.modulus;
-		mod_tgt_len = sizeof(tmp_type4_msg->sme.modulus);
-		exp_tgt = tmp_type4_msg->sme.exponent;
-		exp_tgt_len = sizeof(tmp_type4_msg->sme.exponent);
-		inp_tgt = tmp_type4_msg->sme.message;
-		inp_tgt_len = sizeof(tmp_type4_msg->sme.message);
-	} else {
-		tmp_type4_msg->lme.header.msg_fmt = TYPE4_LME_FMT;
-		tmp_type4_msg->lme.header.msg_len = TYPE4_LME_LEN;
-		mod_tgt = tmp_type4_msg->lme.modulus;
-		mod_tgt_len = sizeof(tmp_type4_msg->lme.modulus);
-		exp_tgt = tmp_type4_msg->lme.exponent;
-		exp_tgt_len = sizeof(tmp_type4_msg->lme.exponent);
-		inp_tgt = tmp_type4_msg->lme.message;
-		inp_tgt_len = sizeof(tmp_type4_msg->lme.message);
-	}
-
-	mod_tgt += (mod_tgt_len - mod_len);
-	if (copy_from_user(mod_tgt, icaMex_p->n_modulus, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(mod_tgt, mod_len))
-		return SEN_USER_ERROR;
-	exp_tgt += (exp_tgt_len - mod_len);
-	if (copy_from_user(exp_tgt, icaMex_p->b_key, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(exp_tgt, mod_len))
-		return SEN_USER_ERROR;
-	inp_tgt += (inp_tgt_len - mod_len);
-	if (copy_from_user(inp_tgt, icaMex_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(inp_tgt, mod_len))
-		return SEN_USER_ERROR;
-
-	*z90cMsg_l_p = msg_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICACRT_msg_to_type4CRT_msg(struct ica_rsa_modexpo_crt *icaMsg_p,
-			   int *z90cMsg_l_p, union type4_msg *z90cMsg_p)
-{
-	int mod_len, short_len, long_len, tmp_size, p_tgt_len, q_tgt_len,
-	    dp_tgt_len, dq_tgt_len, u_tgt_len, inp_tgt_len;
-	unsigned char *p_tgt, *q_tgt, *dp_tgt, *dq_tgt, *u_tgt, *inp_tgt;
-	union type4_msg *tmp_type4_msg;
-
-	mod_len = icaMsg_p->inputdatalength;
-	short_len = mod_len / 2;
-	long_len = mod_len / 2 + 8;
-
-	tmp_size = ((mod_len <= 128) ? TYPE4_SCR_LEN : TYPE4_LCR_LEN) +
-		    CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, tmp_size);
-
-	tmp_type4_msg = (union type4_msg *)
-		((unsigned char *) z90cMsg_p + CALLER_HEADER);
-
-	tmp_type4_msg->scr.header.msg_type_code = TYPE4_TYPE_CODE;
-	tmp_type4_msg->scr.header.request_code = TYPE4_REQU_CODE;
-	if (mod_len <= 128) {
-		tmp_type4_msg->scr.header.msg_fmt = TYPE4_SCR_FMT;
-		tmp_type4_msg->scr.header.msg_len = TYPE4_SCR_LEN;
-		p_tgt = tmp_type4_msg->scr.p;
-		p_tgt_len = sizeof(tmp_type4_msg->scr.p);
-		q_tgt = tmp_type4_msg->scr.q;
-		q_tgt_len = sizeof(tmp_type4_msg->scr.q);
-		dp_tgt = tmp_type4_msg->scr.dp;
-		dp_tgt_len = sizeof(tmp_type4_msg->scr.dp);
-		dq_tgt = tmp_type4_msg->scr.dq;
-		dq_tgt_len = sizeof(tmp_type4_msg->scr.dq);
-		u_tgt = tmp_type4_msg->scr.u;
-		u_tgt_len = sizeof(tmp_type4_msg->scr.u);
-		inp_tgt = tmp_type4_msg->scr.message;
-		inp_tgt_len = sizeof(tmp_type4_msg->scr.message);
-	} else {
-		tmp_type4_msg->lcr.header.msg_fmt = TYPE4_LCR_FMT;
-		tmp_type4_msg->lcr.header.msg_len = TYPE4_LCR_LEN;
-		p_tgt = tmp_type4_msg->lcr.p;
-		p_tgt_len = sizeof(tmp_type4_msg->lcr.p);
-		q_tgt = tmp_type4_msg->lcr.q;
-		q_tgt_len = sizeof(tmp_type4_msg->lcr.q);
-		dp_tgt = tmp_type4_msg->lcr.dp;
-		dp_tgt_len = sizeof(tmp_type4_msg->lcr.dp);
-		dq_tgt = tmp_type4_msg->lcr.dq;
-		dq_tgt_len = sizeof(tmp_type4_msg->lcr.dq);
-		u_tgt = tmp_type4_msg->lcr.u;
-		u_tgt_len = sizeof(tmp_type4_msg->lcr.u);
-		inp_tgt = tmp_type4_msg->lcr.message;
-		inp_tgt_len = sizeof(tmp_type4_msg->lcr.message);
-	}
-
-	p_tgt += (p_tgt_len - long_len);
-	if (copy_from_user(p_tgt, icaMsg_p->np_prime, long_len))
-		return SEN_RELEASED;
-	if (is_empty(p_tgt, long_len))
-		return SEN_USER_ERROR;
-	q_tgt += (q_tgt_len - short_len);
-	if (copy_from_user(q_tgt, icaMsg_p->nq_prime, short_len))
-		return SEN_RELEASED;
-	if (is_empty(q_tgt, short_len))
-		return SEN_USER_ERROR;
-	dp_tgt += (dp_tgt_len - long_len);
-	if (copy_from_user(dp_tgt, icaMsg_p->bp_key, long_len))
-		return SEN_RELEASED;
-	if (is_empty(dp_tgt, long_len))
-		return SEN_USER_ERROR;
-	dq_tgt += (dq_tgt_len - short_len);
-	if (copy_from_user(dq_tgt, icaMsg_p->bq_key, short_len))
-		return SEN_RELEASED;
-	if (is_empty(dq_tgt, short_len))
-		return SEN_USER_ERROR;
-	u_tgt += (u_tgt_len - long_len);
-	if (copy_from_user(u_tgt, icaMsg_p->u_mult_inv, long_len))
-		return SEN_RELEASED;
-	if (is_empty(u_tgt, long_len))
-		return SEN_USER_ERROR;
-	inp_tgt += (inp_tgt_len - mod_len);
-	if (copy_from_user(inp_tgt, icaMsg_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(inp_tgt, mod_len))
-		return SEN_USER_ERROR;
-
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICAMEX_msg_to_type6MEX_de_msg(struct ica_rsa_modexpo *icaMsg_p, int cdx,
-			      int *z90cMsg_l_p, struct type6_msg *z90cMsg_p)
-{
-	int mod_len, vud_len, tmp_size, total_CPRB_len, parmBlock_l;
-	unsigned char *temp;
-	struct type6_hdr *tp6Hdr_p;
-	struct CPRB *cprb_p;
-	struct cca_private_ext_ME *key_p;
-	static int deprecated_msg_count = 0;
-
-	mod_len = icaMsg_p->inputdatalength;
-	tmp_size = FIXED_TYPE6_ME_LEN + mod_len;
-	total_CPRB_len = tmp_size - sizeof(struct type6_hdr);
-	parmBlock_l = total_CPRB_len - sizeof(struct CPRB);
-	tmp_size = 4*((tmp_size + 3)/4) + CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, tmp_size);
-
-	temp = (unsigned char *)z90cMsg_p + CALLER_HEADER;
-	memcpy(temp, &static_type6_hdr, sizeof(struct type6_hdr));
-	tp6Hdr_p = (struct type6_hdr *)temp;
-	tp6Hdr_p->ToCardLen1 = 4*((total_CPRB_len+3)/4);
-	tp6Hdr_p->FromCardLen1 = RESPONSE_CPRB_SIZE;
-
-	temp += sizeof(struct type6_hdr);
-	memcpy(temp, &static_cprb, sizeof(struct CPRB));
-	cprb_p = (struct CPRB *) temp;
-	cprb_p->usage_domain[0]= (unsigned char)cdx;
-	itoLe2(&parmBlock_l, cprb_p->req_parml);
-	itoLe2((int *)&(tp6Hdr_p->FromCardLen1), cprb_p->rpl_parml);
-
-	temp += sizeof(struct CPRB);
-	memcpy(temp, &static_pkd_function_and_rules,
-	       sizeof(struct function_and_rules_block));
-
-	temp += sizeof(struct function_and_rules_block);
-	vud_len = 2 + icaMsg_p->inputdatalength;
-	itoLe2(&vud_len, temp);
-
-	temp += 2;
-	if (copy_from_user(temp, icaMsg_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(temp, mod_len))
-		return SEN_USER_ERROR;
-
-	temp += mod_len;
-	memcpy(temp, &static_T6_keyBlock_hdr, sizeof(struct T6_keyBlock_hdr));
-
-	temp += sizeof(struct T6_keyBlock_hdr);
-	memcpy(temp, &static_pvt_me_key, sizeof(struct cca_private_ext_ME));
-	key_p = (struct cca_private_ext_ME *)temp;
-	temp = key_p->pvtMESec.exponent + sizeof(key_p->pvtMESec.exponent)
-	       - mod_len;
-	if (copy_from_user(temp, icaMsg_p->b_key, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(temp, mod_len))
-		return SEN_USER_ERROR;
-
-	if (is_common_public_key(temp, mod_len)) {
-		if (deprecated_msg_count < 20) {
-			PRINTK("Common public key used for modex decrypt\n");
-			deprecated_msg_count++;
-			if (deprecated_msg_count == 20)
-				PRINTK("No longer issuing messages about common"
-				       " public key for modex decrypt.\n");
-		}
-		return SEN_NOT_AVAIL;
-	}
-
-	temp = key_p->pvtMESec.modulus + sizeof(key_p->pvtMESec.modulus)
-	       - mod_len;
-	if (copy_from_user(temp, icaMsg_p->n_modulus, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(temp, mod_len))
-		return SEN_USER_ERROR;
-
-	key_p->pubMESec.modulus_bit_len = 8 * mod_len;
-
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICAMEX_msg_to_type6MEX_en_msg(struct ica_rsa_modexpo *icaMsg_p, int cdx,
-			      int *z90cMsg_l_p, struct type6_msg *z90cMsg_p)
-{
-	int mod_len, vud_len, exp_len, key_len;
-	int pad_len, tmp_size, total_CPRB_len, parmBlock_l, i;
-	unsigned char *temp_exp, *exp_p, *temp;
-	struct type6_hdr *tp6Hdr_p;
-	struct CPRB *cprb_p;
-	struct cca_public_key *key_p;
-	struct T6_keyBlock_hdr *keyb_p;
-
-	temp_exp = kmalloc(256, GFP_KERNEL);
-	if (!temp_exp)
-		return EGETBUFF;
-	mod_len = icaMsg_p->inputdatalength;
-	if (copy_from_user(temp_exp, icaMsg_p->b_key, mod_len)) {
-		kfree(temp_exp);
-		return SEN_RELEASED;
-	}
-	if (is_empty(temp_exp, mod_len)) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-
-	exp_p = temp_exp;
-	for (i = 0; i < mod_len; i++)
-		if (exp_p[i])
-			break;
-	if (i >= mod_len) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-
-	exp_len = mod_len - i;
-	exp_p += i;
-
-	PDEBUG("exp_len after computation: %08x\n", exp_len);
-	tmp_size = FIXED_TYPE6_ME_EN_LEN + 2 * mod_len + exp_len;
-	total_CPRB_len = tmp_size - sizeof(struct type6_hdr);
-	parmBlock_l = total_CPRB_len - sizeof(struct CPRB);
-	tmp_size = 4*((tmp_size + 3)/4) + CALLER_HEADER;
-
-	vud_len = 2 + mod_len;
-	memset(z90cMsg_p, 0, tmp_size);
-
-	temp = (unsigned char *)z90cMsg_p + CALLER_HEADER;
-	memcpy(temp, &static_type6_hdr, sizeof(struct type6_hdr));
-	tp6Hdr_p = (struct type6_hdr *)temp;
-	tp6Hdr_p->ToCardLen1 = 4*((total_CPRB_len+3)/4);
-	tp6Hdr_p->FromCardLen1 = RESPONSE_CPRB_SIZE;
-	memcpy(tp6Hdr_p->function_code, static_PKE_function_code,
-	       sizeof(static_PKE_function_code));
-	temp += sizeof(struct type6_hdr);
-	memcpy(temp, &static_cprb, sizeof(struct CPRB));
-	cprb_p = (struct CPRB *) temp;
-	cprb_p->usage_domain[0]= (unsigned char)cdx;
-	itoLe2((int *)&(tp6Hdr_p->FromCardLen1), cprb_p->rpl_parml);
-	temp += sizeof(struct CPRB);
-	memcpy(temp, &static_pke_function_and_rules,
-		 sizeof(struct function_and_rules_block));
-	temp += sizeof(struct function_and_rules_block);
-	temp += 2;
-	if (copy_from_user(temp, icaMsg_p->inputdata, mod_len)) {
-		kfree(temp_exp);
-		return SEN_RELEASED;
-	}
-	if (is_empty(temp, mod_len)) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-	if ((temp[0] != 0x00) || (temp[1] != 0x02)) {
-		kfree(temp_exp);
-		return SEN_NOT_AVAIL;
-	}
-	for (i = 2; i < mod_len; i++)
-		if (temp[i] == 0x00)
-			break;
-	if ((i < 9) || (i > (mod_len - 2))) {
-		kfree(temp_exp);
-		return SEN_NOT_AVAIL;
-	}
-	pad_len = i + 1;
-	vud_len = mod_len - pad_len;
-	memmove(temp, temp+pad_len, vud_len);
-	temp -= 2;
-	vud_len += 2;
-	itoLe2(&vud_len, temp);
-	temp += (vud_len);
-	keyb_p = (struct T6_keyBlock_hdr *)temp;
-	temp += sizeof(struct T6_keyBlock_hdr);
-	memcpy(temp, &static_public_key, sizeof(static_public_key));
-	key_p = (struct cca_public_key *)temp;
-	temp = key_p->pubSec.exponent;
-	memcpy(temp, exp_p, exp_len);
-	kfree(temp_exp);
-	temp += exp_len;
-	if (copy_from_user(temp, icaMsg_p->n_modulus, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(temp, mod_len))
-		return SEN_USER_ERROR;
-	key_p->pubSec.modulus_bit_len = 8 * mod_len;
-	key_p->pubSec.modulus_byte_len = mod_len;
-	key_p->pubSec.exponent_len = exp_len;
-	key_p->pubSec.section_length = CALLER_HEADER + mod_len + exp_len;
-	key_len = key_p->pubSec.section_length + sizeof(struct cca_token_hdr);
-	key_p->pubHdr.token_length = key_len;
-	key_len += 4;
-	itoLe2(&key_len, keyb_p->ulen);
-	key_len += 2;
-	itoLe2(&key_len, keyb_p->blen);
-	parmBlock_l -= pad_len;
-	itoLe2(&parmBlock_l, cprb_p->req_parml);
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICACRT_msg_to_type6CRT_msg(struct ica_rsa_modexpo_crt *icaMsg_p, int cdx,
-			   int *z90cMsg_l_p, struct type6_msg *z90cMsg_p)
-{
-	int mod_len, vud_len, tmp_size, total_CPRB_len, parmBlock_l, short_len;
-	int long_len, pad_len, keyPartsLen, tmp_l;
-	unsigned char *tgt_p, *temp;
-	struct type6_hdr *tp6Hdr_p;
-	struct CPRB *cprb_p;
-	struct cca_token_hdr *keyHdr_p;
-	struct cca_pvt_ext_CRT_sec *pvtSec_p;
-	struct cca_public_sec *pubSec_p;
-
-	mod_len = icaMsg_p->inputdatalength;
-	short_len = mod_len / 2;
-	long_len = 8 + short_len;
-	keyPartsLen = 3 * long_len + 2 * short_len;
-	pad_len = (8 - (keyPartsLen % 8)) % 8;
-	keyPartsLen += pad_len + mod_len;
-	tmp_size = FIXED_TYPE6_CR_LEN + keyPartsLen + mod_len;
-	total_CPRB_len = tmp_size -  sizeof(struct type6_hdr);
-	parmBlock_l = total_CPRB_len - sizeof(struct CPRB);
-	vud_len = 2 + mod_len;
-	tmp_size = 4*((tmp_size + 3)/4) + CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, tmp_size);
-	tgt_p = (unsigned char *)z90cMsg_p + CALLER_HEADER;
-	memcpy(tgt_p, &static_type6_hdr, sizeof(struct type6_hdr));
-	tp6Hdr_p = (struct type6_hdr *)tgt_p;
-	tp6Hdr_p->ToCardLen1 = 4*((total_CPRB_len+3)/4);
-	tp6Hdr_p->FromCardLen1 = RESPONSE_CPRB_SIZE;
-	tgt_p += sizeof(struct type6_hdr);
-	cprb_p = (struct CPRB *) tgt_p;
-	memcpy(tgt_p, &static_cprb, sizeof(struct CPRB));
-	cprb_p->usage_domain[0]= *((unsigned char *)(&(cdx))+3);
-	itoLe2(&parmBlock_l, cprb_p->req_parml);
-	memcpy(cprb_p->rpl_parml, cprb_p->req_parml,
-	       sizeof(cprb_p->req_parml));
-	tgt_p += sizeof(struct CPRB);
-	memcpy(tgt_p, &static_pkd_function_and_rules,
-	       sizeof(struct function_and_rules_block));
-	tgt_p += sizeof(struct function_and_rules_block);
-	itoLe2(&vud_len, tgt_p);
-	tgt_p += 2;
-	if (copy_from_user(tgt_p, icaMsg_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, mod_len))
-		return SEN_USER_ERROR;
-	tgt_p += mod_len;
-	tmp_l = sizeof(struct T6_keyBlock_hdr) + sizeof(struct cca_token_hdr) +
-		sizeof(struct cca_pvt_ext_CRT_sec) + 0x0F + keyPartsLen;
-	itoLe2(&tmp_l, tgt_p);
-	temp = tgt_p + 2;
-	tmp_l -= 2;
-	itoLe2(&tmp_l, temp);
-	tgt_p += sizeof(struct T6_keyBlock_hdr);
-	keyHdr_p = (struct cca_token_hdr *)tgt_p;
-	keyHdr_p->token_identifier = CCA_TKN_HDR_ID_EXT;
-	tmp_l -= 4;
-	keyHdr_p->token_length = tmp_l;
-	tgt_p += sizeof(struct cca_token_hdr);
-	pvtSec_p = (struct cca_pvt_ext_CRT_sec *)tgt_p;
-	pvtSec_p->section_identifier = CCA_PVT_EXT_CRT_SEC_ID_PVT;
-	pvtSec_p->section_length =
-		sizeof(struct cca_pvt_ext_CRT_sec) + keyPartsLen;
-	pvtSec_p->key_format = CCA_PVT_EXT_CRT_SEC_FMT_CL;
-	pvtSec_p->key_use_flags[0] = CCA_PVT_USAGE_ALL;
-	pvtSec_p->p_len = long_len;
-	pvtSec_p->q_len = short_len;
-	pvtSec_p->dp_len = long_len;
-	pvtSec_p->dq_len = short_len;
-	pvtSec_p->u_len = long_len;
-	pvtSec_p->mod_len = mod_len;
-	pvtSec_p->pad_len = pad_len;
-	tgt_p += sizeof(struct cca_pvt_ext_CRT_sec);
-	if (copy_from_user(tgt_p, icaMsg_p->np_prime, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	if (copy_from_user(tgt_p, icaMsg_p->nq_prime, short_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, short_len))
-		return SEN_USER_ERROR;
-	tgt_p += short_len;
-	if (copy_from_user(tgt_p, icaMsg_p->bp_key, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	if (copy_from_user(tgt_p, icaMsg_p->bq_key, short_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, short_len))
-		return SEN_USER_ERROR;
-	tgt_p += short_len;
-	if (copy_from_user(tgt_p, icaMsg_p->u_mult_inv, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	tgt_p += pad_len;
-	memset(tgt_p, 0xFF, mod_len);
-	tgt_p += mod_len;
-	memcpy(tgt_p, &static_cca_pub_sec, sizeof(struct cca_public_sec));
-	pubSec_p = (struct cca_public_sec *) tgt_p;
-	pubSec_p->modulus_bit_len = 8 * mod_len;
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICAMEX_msg_to_type6MEX_msgX(struct ica_rsa_modexpo *icaMsg_p, int cdx,
-			    int *z90cMsg_l_p, struct type6_msg *z90cMsg_p,
-			    int dev_type)
-{
-	int mod_len, exp_len, vud_len, tmp_size, total_CPRB_len, parmBlock_l;
-	int key_len, i;
-	unsigned char *temp_exp, *tgt_p, *temp, *exp_p;
-	struct type6_hdr *tp6Hdr_p;
-	struct CPRBX *cprbx_p;
-	struct cca_public_key *key_p;
-	struct T6_keyBlock_hdrX *keyb_p;
-
-	temp_exp = kmalloc(256, GFP_KERNEL);
-	if (!temp_exp)
-		return EGETBUFF;
-	mod_len = icaMsg_p->inputdatalength;
-	if (copy_from_user(temp_exp, icaMsg_p->b_key, mod_len)) {
-		kfree(temp_exp);
-		return SEN_RELEASED;
-	}
-	if (is_empty(temp_exp, mod_len)) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-	exp_p = temp_exp;
-	for (i = 0; i < mod_len; i++)
-		if (exp_p[i])
-			break;
-	if (i >= mod_len) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-	exp_len = mod_len - i;
-	exp_p += i;
-	PDEBUG("exp_len after computation: %08x\n", exp_len);
-	tmp_size = FIXED_TYPE6_ME_EN_LENX + 2 * mod_len + exp_len;
-	total_CPRB_len = tmp_size - sizeof(struct type6_hdr);
-	parmBlock_l = total_CPRB_len - sizeof(struct CPRBX);
-	tmp_size = tmp_size + CALLER_HEADER;
-	vud_len = 2 + mod_len;
-	memset(z90cMsg_p, 0, tmp_size);
-	tgt_p = (unsigned char *)z90cMsg_p + CALLER_HEADER;
-	memcpy(tgt_p, &static_type6_hdrX, sizeof(struct type6_hdr));
-	tp6Hdr_p = (struct type6_hdr *)tgt_p;
-	tp6Hdr_p->ToCardLen1 = total_CPRB_len;
-	tp6Hdr_p->FromCardLen1 = RESPONSE_CPRBX_SIZE;
-	memcpy(tp6Hdr_p->function_code, static_PKE_function_code,
-	       sizeof(static_PKE_function_code));
-	tgt_p += sizeof(struct type6_hdr);
-	memcpy(tgt_p, &static_cprbx, sizeof(struct CPRBX));
-	cprbx_p = (struct CPRBX *) tgt_p;
-	cprbx_p->domain = (unsigned short)cdx;
-	cprbx_p->rpl_msgbl = RESPONSE_CPRBX_SIZE;
-	tgt_p += sizeof(struct CPRBX);
-	if (dev_type == PCIXCC_MCL2)
-		memcpy(tgt_p, &static_pke_function_and_rulesX_MCL2,
-		       sizeof(struct function_and_rules_block));
-	else
-		memcpy(tgt_p, &static_pke_function_and_rulesX,
-		       sizeof(struct function_and_rules_block));
-	tgt_p += sizeof(struct function_and_rules_block);
-
-	tgt_p += 2;
-	if (copy_from_user(tgt_p, icaMsg_p->inputdata, mod_len)) {
-		kfree(temp_exp);
-		return SEN_RELEASED;
-	}
-	if (is_empty(tgt_p, mod_len)) {
-		kfree(temp_exp);
-		return SEN_USER_ERROR;
-	}
-	tgt_p -= 2;
-	*((short *)tgt_p) = (short) vud_len;
-	tgt_p += vud_len;
-	keyb_p = (struct T6_keyBlock_hdrX *)tgt_p;
-	tgt_p += sizeof(struct T6_keyBlock_hdrX);
-	memcpy(tgt_p, &static_public_key, sizeof(static_public_key));
-	key_p = (struct cca_public_key *)tgt_p;
-	temp = key_p->pubSec.exponent;
-	memcpy(temp, exp_p, exp_len);
-	kfree(temp_exp);
-	temp += exp_len;
-	if (copy_from_user(temp, icaMsg_p->n_modulus, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(temp, mod_len))
-		return SEN_USER_ERROR;
-	key_p->pubSec.modulus_bit_len = 8 * mod_len;
-	key_p->pubSec.modulus_byte_len = mod_len;
-	key_p->pubSec.exponent_len = exp_len;
-	key_p->pubSec.section_length = CALLER_HEADER + mod_len + exp_len;
-	key_len = key_p->pubSec.section_length + sizeof(struct cca_token_hdr);
-	key_p->pubHdr.token_length = key_len;
-	key_len += 4;
-	keyb_p->ulen = (unsigned short)key_len;
-	key_len += 2;
-	keyb_p->blen = (unsigned short)key_len;
-	cprbx_p->req_parml = parmBlock_l;
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICACRT_msg_to_type6CRT_msgX(struct ica_rsa_modexpo_crt *icaMsg_p, int cdx,
-			    int *z90cMsg_l_p, struct type6_msg *z90cMsg_p,
-			    int dev_type)
-{
-	int mod_len, vud_len, tmp_size, total_CPRB_len, parmBlock_l, short_len;
-	int long_len, pad_len, keyPartsLen, tmp_l;
-	unsigned char *tgt_p, *temp;
-	struct type6_hdr *tp6Hdr_p;
-	struct CPRBX *cprbx_p;
-	struct cca_token_hdr *keyHdr_p;
-	struct cca_pvt_ext_CRT_sec *pvtSec_p;
-	struct cca_public_sec *pubSec_p;
-
-	mod_len = icaMsg_p->inputdatalength;
-	short_len = mod_len / 2;
-	long_len = 8 + short_len;
-	keyPartsLen = 3 * long_len + 2 * short_len;
-	pad_len = (8 - (keyPartsLen % 8)) % 8;
-	keyPartsLen += pad_len + mod_len;
-	tmp_size = FIXED_TYPE6_CR_LENX + keyPartsLen + mod_len;
-	total_CPRB_len = tmp_size -  sizeof(struct type6_hdr);
-	parmBlock_l = total_CPRB_len - sizeof(struct CPRBX);
-	vud_len = 2 + mod_len;
-	tmp_size = tmp_size + CALLER_HEADER;
-	memset(z90cMsg_p, 0, tmp_size);
-	tgt_p = (unsigned char *)z90cMsg_p + CALLER_HEADER;
-	memcpy(tgt_p, &static_type6_hdrX, sizeof(struct type6_hdr));
-	tp6Hdr_p = (struct type6_hdr *)tgt_p;
-	tp6Hdr_p->ToCardLen1 = total_CPRB_len;
-	tp6Hdr_p->FromCardLen1 = RESPONSE_CPRBX_SIZE;
-	tgt_p += sizeof(struct type6_hdr);
-	cprbx_p = (struct CPRBX *) tgt_p;
-	memcpy(tgt_p, &static_cprbx, sizeof(struct CPRBX));
-	cprbx_p->domain = (unsigned short)cdx;
-	cprbx_p->req_parml = parmBlock_l;
-	cprbx_p->rpl_msgbl = parmBlock_l;
-	tgt_p += sizeof(struct CPRBX);
-	if (dev_type == PCIXCC_MCL2)
-		memcpy(tgt_p, &static_pkd_function_and_rulesX_MCL2,
-		       sizeof(struct function_and_rules_block));
-	else
-		memcpy(tgt_p, &static_pkd_function_and_rulesX,
-		       sizeof(struct function_and_rules_block));
-	tgt_p += sizeof(struct function_and_rules_block);
-	*((short *)tgt_p) = (short) vud_len;
-	tgt_p += 2;
-	if (copy_from_user(tgt_p, icaMsg_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, mod_len))
-		return SEN_USER_ERROR;
-	tgt_p += mod_len;
-	tmp_l = sizeof(struct T6_keyBlock_hdr) + sizeof(struct cca_token_hdr) +
-		sizeof(struct cca_pvt_ext_CRT_sec) + 0x0F + keyPartsLen;
-	*((short *)tgt_p) = (short) tmp_l;
-	temp = tgt_p + 2;
-	tmp_l -= 2;
-	*((short *)temp) = (short) tmp_l;
-	tgt_p += sizeof(struct T6_keyBlock_hdr);
-	keyHdr_p = (struct cca_token_hdr *)tgt_p;
-	keyHdr_p->token_identifier = CCA_TKN_HDR_ID_EXT;
-	tmp_l -= 4;
-	keyHdr_p->token_length = tmp_l;
-	tgt_p += sizeof(struct cca_token_hdr);
-	pvtSec_p = (struct cca_pvt_ext_CRT_sec *)tgt_p;
-	pvtSec_p->section_identifier = CCA_PVT_EXT_CRT_SEC_ID_PVT;
-	pvtSec_p->section_length =
-		sizeof(struct cca_pvt_ext_CRT_sec) + keyPartsLen;
-	pvtSec_p->key_format = CCA_PVT_EXT_CRT_SEC_FMT_CL;
-	pvtSec_p->key_use_flags[0] = CCA_PVT_USAGE_ALL;
-	pvtSec_p->p_len = long_len;
-	pvtSec_p->q_len = short_len;
-	pvtSec_p->dp_len = long_len;
-	pvtSec_p->dq_len = short_len;
-	pvtSec_p->u_len = long_len;
-	pvtSec_p->mod_len = mod_len;
-	pvtSec_p->pad_len = pad_len;
-	tgt_p += sizeof(struct cca_pvt_ext_CRT_sec);
-	if (copy_from_user(tgt_p, icaMsg_p->np_prime, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	if (copy_from_user(tgt_p, icaMsg_p->nq_prime, short_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, short_len))
-		return SEN_USER_ERROR;
-	tgt_p += short_len;
-	if (copy_from_user(tgt_p, icaMsg_p->bp_key, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	if (copy_from_user(tgt_p, icaMsg_p->bq_key, short_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, short_len))
-		return SEN_USER_ERROR;
-	tgt_p += short_len;
-	if (copy_from_user(tgt_p, icaMsg_p->u_mult_inv, long_len))
-		return SEN_RELEASED;
-	if (is_empty(tgt_p, long_len))
-		return SEN_USER_ERROR;
-	tgt_p += long_len;
-	tgt_p += pad_len;
-	memset(tgt_p, 0xFF, mod_len);
-	tgt_p += mod_len;
-	memcpy(tgt_p, &static_cca_pub_sec, sizeof(struct cca_public_sec));
-	pubSec_p = (struct cca_public_sec *) tgt_p;
-	pubSec_p->modulus_bit_len = 8 * mod_len;
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICAMEX_msg_to_type50MEX_msg(struct ica_rsa_modexpo *icaMex_p, int *z90cMsg_l_p,
-			    union type50_msg *z90cMsg_p)
-{
-	int mod_len, msg_size, mod_tgt_len, exp_tgt_len, inp_tgt_len;
-	unsigned char *mod_tgt, *exp_tgt, *inp_tgt;
-	union type50_msg *tmp_type50_msg;
-
-	mod_len = icaMex_p->inputdatalength;
-
-	msg_size = ((mod_len <= 128) ? TYPE50_MEB1_LEN : TYPE50_MEB2_LEN) +
-		    CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, msg_size);
-
-	tmp_type50_msg = (union type50_msg *)
-		((unsigned char *) z90cMsg_p + CALLER_HEADER);
-
-	tmp_type50_msg->meb1.header.msg_type_code = TYPE50_TYPE_CODE;
-
-	if (mod_len <= 128) {
-		tmp_type50_msg->meb1.header.msg_len = TYPE50_MEB1_LEN;
-		tmp_type50_msg->meb1.keyblock_type = TYPE50_MEB1_FMT;
-		mod_tgt = tmp_type50_msg->meb1.modulus;
-		mod_tgt_len = sizeof(tmp_type50_msg->meb1.modulus);
-		exp_tgt = tmp_type50_msg->meb1.exponent;
-		exp_tgt_len = sizeof(tmp_type50_msg->meb1.exponent);
-		inp_tgt = tmp_type50_msg->meb1.message;
-		inp_tgt_len = sizeof(tmp_type50_msg->meb1.message);
-	} else {
-		tmp_type50_msg->meb2.header.msg_len = TYPE50_MEB2_LEN;
-		tmp_type50_msg->meb2.keyblock_type = TYPE50_MEB2_FMT;
-		mod_tgt = tmp_type50_msg->meb2.modulus;
-		mod_tgt_len = sizeof(tmp_type50_msg->meb2.modulus);
-		exp_tgt = tmp_type50_msg->meb2.exponent;
-		exp_tgt_len = sizeof(tmp_type50_msg->meb2.exponent);
-		inp_tgt = tmp_type50_msg->meb2.message;
-		inp_tgt_len = sizeof(tmp_type50_msg->meb2.message);
-	}
-
-	mod_tgt += (mod_tgt_len - mod_len);
-	if (copy_from_user(mod_tgt, icaMex_p->n_modulus, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(mod_tgt, mod_len))
-		return SEN_USER_ERROR;
-	exp_tgt += (exp_tgt_len - mod_len);
-	if (copy_from_user(exp_tgt, icaMex_p->b_key, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(exp_tgt, mod_len))
-		return SEN_USER_ERROR;
-	inp_tgt += (inp_tgt_len - mod_len);
-	if (copy_from_user(inp_tgt, icaMex_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(inp_tgt, mod_len))
-		return SEN_USER_ERROR;
-
-	*z90cMsg_l_p = msg_size - CALLER_HEADER;
-
-	return 0;
-}
-
-static int
-ICACRT_msg_to_type50CRT_msg(struct ica_rsa_modexpo_crt *icaMsg_p,
-			    int *z90cMsg_l_p, union type50_msg *z90cMsg_p)
-{
-	int mod_len, short_len, long_len, tmp_size, p_tgt_len, q_tgt_len,
-	    dp_tgt_len, dq_tgt_len, u_tgt_len, inp_tgt_len, long_offset;
-	unsigned char *p_tgt, *q_tgt, *dp_tgt, *dq_tgt, *u_tgt, *inp_tgt,
-		      temp[8];
-	union type50_msg *tmp_type50_msg;
-
-	mod_len = icaMsg_p->inputdatalength;
-	short_len = mod_len / 2;
-	long_len = mod_len / 2 + 8;
-	long_offset = 0;
-
-	if (long_len > 128) {
-		memset(temp, 0x00, sizeof(temp));
-		if (copy_from_user(temp, icaMsg_p->np_prime, long_len-128))
-			return SEN_RELEASED;
-		if (!is_empty(temp, 8))
-			return SEN_NOT_AVAIL;
-		if (copy_from_user(temp, icaMsg_p->bp_key, long_len-128))
-			return SEN_RELEASED;
-		if (!is_empty(temp, 8))
-			return SEN_NOT_AVAIL;
-		if (copy_from_user(temp, icaMsg_p->u_mult_inv, long_len-128))
-			return SEN_RELEASED;
-		if (!is_empty(temp, 8))
-			return SEN_NOT_AVAIL;
-		long_offset = long_len - 128;
-		long_len = 128;
-	}
-
-	tmp_size = ((long_len <= 64) ? TYPE50_CRB1_LEN : TYPE50_CRB2_LEN) +
-		    CALLER_HEADER;
-
-	memset(z90cMsg_p, 0, tmp_size);
-
-	tmp_type50_msg = (union type50_msg *)
-		((unsigned char *) z90cMsg_p + CALLER_HEADER);
-
-	tmp_type50_msg->crb1.header.msg_type_code = TYPE50_TYPE_CODE;
-	if (long_len <= 64) {
-		tmp_type50_msg->crb1.header.msg_len = TYPE50_CRB1_LEN;
-		tmp_type50_msg->crb1.keyblock_type = TYPE50_CRB1_FMT;
-		p_tgt = tmp_type50_msg->crb1.p;
-		p_tgt_len = sizeof(tmp_type50_msg->crb1.p);
-		q_tgt = tmp_type50_msg->crb1.q;
-		q_tgt_len = sizeof(tmp_type50_msg->crb1.q);
-		dp_tgt = tmp_type50_msg->crb1.dp;
-		dp_tgt_len = sizeof(tmp_type50_msg->crb1.dp);
-		dq_tgt = tmp_type50_msg->crb1.dq;
-		dq_tgt_len = sizeof(tmp_type50_msg->crb1.dq);
-		u_tgt = tmp_type50_msg->crb1.u;
-		u_tgt_len = sizeof(tmp_type50_msg->crb1.u);
-		inp_tgt = tmp_type50_msg->crb1.message;
-		inp_tgt_len = sizeof(tmp_type50_msg->crb1.message);
-	} else {
-		tmp_type50_msg->crb2.header.msg_len = TYPE50_CRB2_LEN;
-		tmp_type50_msg->crb2.keyblock_type = TYPE50_CRB2_FMT;
-		p_tgt = tmp_type50_msg->crb2.p;
-		p_tgt_len = sizeof(tmp_type50_msg->crb2.p);
-		q_tgt = tmp_type50_msg->crb2.q;
-		q_tgt_len = sizeof(tmp_type50_msg->crb2.q);
-		dp_tgt = tmp_type50_msg->crb2.dp;
-		dp_tgt_len = sizeof(tmp_type50_msg->crb2.dp);
-		dq_tgt = tmp_type50_msg->crb2.dq;
-		dq_tgt_len = sizeof(tmp_type50_msg->crb2.dq);
-		u_tgt = tmp_type50_msg->crb2.u;
-		u_tgt_len = sizeof(tmp_type50_msg->crb2.u);
-		inp_tgt = tmp_type50_msg->crb2.message;
-		inp_tgt_len = sizeof(tmp_type50_msg->crb2.message);
-	}
-
-	p_tgt += (p_tgt_len - long_len);
-	if (copy_from_user(p_tgt, icaMsg_p->np_prime + long_offset, long_len))
-		return SEN_RELEASED;
-	if (is_empty(p_tgt, long_len))
-		return SEN_USER_ERROR;
-	q_tgt += (q_tgt_len - short_len);
-	if (copy_from_user(q_tgt, icaMsg_p->nq_prime, short_len))
-		return SEN_RELEASED;
-	if (is_empty(q_tgt, short_len))
-		return SEN_USER_ERROR;
-	dp_tgt += (dp_tgt_len - long_len);
-	if (copy_from_user(dp_tgt, icaMsg_p->bp_key + long_offset, long_len))
-		return SEN_RELEASED;
-	if (is_empty(dp_tgt, long_len))
-		return SEN_USER_ERROR;
-	dq_tgt += (dq_tgt_len - short_len);
-	if (copy_from_user(dq_tgt, icaMsg_p->bq_key, short_len))
-		return SEN_RELEASED;
-	if (is_empty(dq_tgt, short_len))
-		return SEN_USER_ERROR;
-	u_tgt += (u_tgt_len - long_len);
-	if (copy_from_user(u_tgt, icaMsg_p->u_mult_inv + long_offset, long_len))
-		return SEN_RELEASED;
-	if (is_empty(u_tgt, long_len))
-		return SEN_USER_ERROR;
-	inp_tgt += (inp_tgt_len - mod_len);
-	if (copy_from_user(inp_tgt, icaMsg_p->inputdata, mod_len))
-		return SEN_RELEASED;
-	if (is_empty(inp_tgt, mod_len))
-		return SEN_USER_ERROR;
-
-	*z90cMsg_l_p = tmp_size - CALLER_HEADER;
-
-	return 0;
-}
-
-int
-convert_request(unsigned char *buffer, int func, unsigned short function,
-		int cdx, int dev_type, int *msg_l_p, unsigned char *msg_p)
-{
-	if (dev_type == PCICA) {
-		if (func == ICARSACRT)
-			return ICACRT_msg_to_type4CRT_msg(
-				(struct ica_rsa_modexpo_crt *) buffer,
-				msg_l_p, (union type4_msg *) msg_p);
-		else
-			return ICAMEX_msg_to_type4MEX_msg(
-				(struct ica_rsa_modexpo *) buffer,
-				msg_l_p, (union type4_msg *) msg_p);
-	}
-	if (dev_type == PCICC) {
-		if (func == ICARSACRT)
-			return ICACRT_msg_to_type6CRT_msg(
-				(struct ica_rsa_modexpo_crt *) buffer,
-				cdx, msg_l_p, (struct type6_msg *)msg_p);
-		if (function == PCI_FUNC_KEY_ENCRYPT)
-			return ICAMEX_msg_to_type6MEX_en_msg(
-				(struct ica_rsa_modexpo *) buffer,
-				cdx, msg_l_p, (struct type6_msg *) msg_p);
-		else
-			return ICAMEX_msg_to_type6MEX_de_msg(
-				(struct ica_rsa_modexpo *) buffer,
-				cdx, msg_l_p, (struct type6_msg *) msg_p);
-	}
-	if ((dev_type == PCIXCC_MCL2) ||
-	    (dev_type == PCIXCC_MCL3) ||
-	    (dev_type == CEX2C)) {
-		if (func == ICARSACRT)
-			return ICACRT_msg_to_type6CRT_msgX(
-				(struct ica_rsa_modexpo_crt *) buffer,
-				cdx, msg_l_p, (struct type6_msg *) msg_p,
-				dev_type);
-		else
-			return ICAMEX_msg_to_type6MEX_msgX(
-				(struct ica_rsa_modexpo *) buffer,
-				cdx, msg_l_p, (struct type6_msg *) msg_p,
-				dev_type);
-	}
-	if (dev_type == CEX2A) {
-		if (func == ICARSACRT)
-			return ICACRT_msg_to_type50CRT_msg(
-				(struct ica_rsa_modexpo_crt *) buffer,
-				msg_l_p, (union type50_msg *) msg_p);
-		else
-			return ICAMEX_msg_to_type50MEX_msg(
-				(struct ica_rsa_modexpo *) buffer,
-				msg_l_p, (union type50_msg *) msg_p);
-	}
-
-	return 0;
-}
-
-int ext_bitlens_msg_count = 0;
-static inline void
-unset_ext_bitlens(void)
-{
-	if (!ext_bitlens_msg_count) {
-		PRINTK("Unable to use coprocessors for extended bitlengths. "
-		       "Using PCICAs/CEX2As (if present) for extended "
-		       "bitlengths. This is not an error.\n");
-		ext_bitlens_msg_count++;
-	}
-	ext_bitlens = 0;
-}
-
-int
-convert_response(unsigned char *response, unsigned char *buffer,
-		 int *respbufflen_p, unsigned char *resp_buff)
-{
-	struct ica_rsa_modexpo *icaMsg_p = (struct ica_rsa_modexpo *) buffer;
-	struct error_hdr *errh_p = (struct error_hdr *) response;
-	struct type80_hdr *t80h_p = (struct type80_hdr *) response;
-	struct type84_hdr *t84h_p = (struct type84_hdr *) response;
-	struct type86_fmt2_msg *t86m_p =  (struct type86_fmt2_msg *) response;
-	int reply_code, service_rc, service_rs, src_l;
-	unsigned char *src_p, *tgt_p;
-	struct CPRB *cprb_p;
-	struct CPRBX *cprbx_p;
-
-	src_p = 0;
-	reply_code = 0;
-	service_rc = 0;
-	service_rs = 0;
-	src_l = 0;
-	switch (errh_p->type) {
-	case TYPE82_RSP_CODE:
-	case TYPE88_RSP_CODE:
-		reply_code = errh_p->reply_code;
-		src_p = (unsigned char *)errh_p;
-		PRINTK("Hardware error: Type %02X Message Header: "
-		       "%02x%02x%02x%02x%02x%02x%02x%02x\n",
-		       errh_p->type,
-		       src_p[0], src_p[1], src_p[2], src_p[3],
-		       src_p[4], src_p[5], src_p[6], src_p[7]);
-		break;
-	case TYPE80_RSP_CODE:
-		src_l = icaMsg_p->outputdatalength;
-		src_p = response + (int)t80h_p->len - src_l;
-		break;
-	case TYPE84_RSP_CODE:
-		src_l = icaMsg_p->outputdatalength;
-		src_p = response + (int)t84h_p->len - src_l;
-		break;
-	case TYPE86_RSP_CODE:
-		reply_code = t86m_p->header.reply_code;
-		if (reply_code != 0)
-			break;
-		cprb_p = (struct CPRB *)
-			(response + sizeof(struct type86_fmt2_msg));
-		cprbx_p = (struct CPRBX *) cprb_p;
-		if (cprb_p->cprb_ver_id != 0x02) {
-			le2toI(cprb_p->ccp_rtcode, &service_rc);
-			if (service_rc != 0) {
-				le2toI(cprb_p->ccp_rscode, &service_rs);
-				if ((service_rc == 8) && (service_rs == 66))
-					PDEBUG("Bad block format on PCICC\n");
-				else if ((service_rc == 8) && (service_rs == 65))
-					PDEBUG("Probably an even modulus on "
-					       "PCICC\n");
-				else if ((service_rc == 8) && (service_rs == 770)) {
-					PDEBUG("Invalid key length on PCICC\n");
-					unset_ext_bitlens();
-					return REC_USE_PCICA;
-				}
-				else if ((service_rc == 8) && (service_rs == 783)) {
-					PDEBUG("Extended bitlengths not enabled"
-					       "on PCICC\n");
-					unset_ext_bitlens();
-					return REC_USE_PCICA;
-				}
-				else
-					PRINTK("service rc/rs (PCICC): %d/%d\n",
-					       service_rc, service_rs);
-				return REC_OPERAND_INV;
-			}
-			src_p = (unsigned char *)cprb_p + sizeof(struct CPRB);
-			src_p += 4;
-			le2toI(src_p, &src_l);
-			src_l -= 2;
-			src_p += 2;
-		} else {
-			service_rc = (int)cprbx_p->ccp_rtcode;
-			if (service_rc != 0) {
-				service_rs = (int) cprbx_p->ccp_rscode;
-				if ((service_rc == 8) && (service_rs == 66))
-					PDEBUG("Bad block format on PCIXCC\n");
-				else if ((service_rc == 8) && (service_rs == 65))
-					PDEBUG("Probably an even modulus on "
-					       "PCIXCC\n");
-				else if ((service_rc == 8) && (service_rs == 770)) {
-					PDEBUG("Invalid key length on PCIXCC\n");
-					unset_ext_bitlens();
-					return REC_USE_PCICA;
-				}
-				else if ((service_rc == 8) && (service_rs == 783)) {
-					PDEBUG("Extended bitlengths not enabled"
-					       "on PCIXCC\n");
-					unset_ext_bitlens();
-					return REC_USE_PCICA;
-				}
-				else
-					PRINTK("service rc/rs (PCIXCC): %d/%d\n",
-					       service_rc, service_rs);
-				return REC_OPERAND_INV;
-			}
-			src_p = (unsigned char *)
-				cprbx_p + sizeof(struct CPRBX);
-			src_p += 4;
-			src_l = (int)(*((short *) src_p));
-			src_l -= 2;
-			src_p += 2;
-		}
-		break;
-	default:
-		src_p = (unsigned char *)errh_p;
-		PRINTK("Unrecognized Message Header: "
-		       "%02x%02x%02x%02x%02x%02x%02x%02x\n",
-		       src_p[0], src_p[1], src_p[2], src_p[3],
-		       src_p[4], src_p[5], src_p[6], src_p[7]);
-		return REC_BAD_MESSAGE;
-	}
-
-	if (reply_code)
-		switch (reply_code) {
-		case REP82_ERROR_MACHINE_FAILURE:
-			if (errh_p->type == TYPE82_RSP_CODE)
-				PRINTKW("Machine check failure\n");
-			else
-				PRINTKW("Module failure\n");
-			return REC_HARDWAR_ERR;
-		case REP82_ERROR_OPERAND_INVALID:
-			return REC_OPERAND_INV;
-		case REP88_ERROR_MESSAGE_MALFORMD:
-			PRINTKW("Message malformed\n");
-			return REC_OPERAND_INV;
-		case REP82_ERROR_OPERAND_SIZE:
-			return REC_OPERAND_SIZE;
-		case REP82_ERROR_EVEN_MOD_IN_OPND:
-			return REC_EVEN_MOD;
-		case REP82_ERROR_MESSAGE_TYPE:
-			return WRONG_DEVICE_TYPE;
-		case REP82_ERROR_TRANSPORT_FAIL:
-			PRINTKW("Transport failed (APFS = %02X%02X%02X%02X)\n",
-				t86m_p->apfs[0], t86m_p->apfs[1],
-				t86m_p->apfs[2], t86m_p->apfs[3]);
-			return REC_HARDWAR_ERR;
-		default:
-			PRINTKW("reply code = %d\n", reply_code);
-			return REC_HARDWAR_ERR;
-		}
-
-	if (service_rc != 0)
-		return REC_OPERAND_INV;
-
-	if ((src_l > icaMsg_p->outputdatalength) ||
-	    (src_l > RESPBUFFSIZE) ||
-	    (src_l <= 0))
-		return REC_OPERAND_SIZE;
-
-	PDEBUG("Length returned = %d\n", src_l);
-	tgt_p = resp_buff + icaMsg_p->outputdatalength - src_l;
-	memcpy(tgt_p, src_p, src_l);
-	if ((errh_p->type == TYPE86_RSP_CODE) && (resp_buff < tgt_p)) {
-		memset(resp_buff, 0, icaMsg_p->outputdatalength - src_l);
-		if (pad_msg(resp_buff, icaMsg_p->outputdatalength, src_l))
-			return REC_INVALID_PAD;
-	}
-	*respbufflen_p = icaMsg_p->outputdatalength;
-	if (*respbufflen_p == 0)
-		PRINTK("Zero *respbufflen_p\n");
-
-	return 0;
-}
-
diff --git a/drivers/s390/crypto/z90main.c b/drivers/s390/crypto/z90main.c
deleted file mode 100644
index b2f20ab8431..00000000000
--- a/drivers/s390/crypto/z90main.c
+++ /dev/null
@@ -1,3379 +0,0 @@
-/*
- *  linux/drivers/s390/crypto/z90main.c
- *
- *  z90crypt 1.3.3
- *
- *  Copyright (C)  2001, 2005 IBM Corporation
- *  Author(s): Robert Burroughs (burrough@us.ibm.com)
- *             Eric Rossman (edrossma@us.ibm.com)
- *
- *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <asm/uaccess.h>       // copy_(from|to)_user
-#include <linux/compat.h>
-#include <linux/compiler.h>
-#include <linux/delay.h>       // mdelay
-#include <linux/init.h>
-#include <linux/interrupt.h>   // for tasklets
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/proc_fs.h>
-#include <linux/syscalls.h>
-#include "z90crypt.h"
-#include "z90common.h"
-
-/**
- * Defaults that may be modified.
- */
-
-/**
- * You can specify a different minor at compile time.
- */
-#ifndef Z90CRYPT_MINOR
-#define Z90CRYPT_MINOR	MISC_DYNAMIC_MINOR
-#endif
-
-/**
- * You can specify a different domain at compile time or on the insmod
- * command line.
- */
-#ifndef DOMAIN_INDEX
-#define DOMAIN_INDEX	-1
-#endif
-
-/**
- * This is the name under which the device is registered in /proc/modules.
- */
-#define REG_NAME	"z90crypt"
-
-/**
- * Cleanup should run every CLEANUPTIME seconds and should clean up requests
- * older than CLEANUPTIME seconds in the past.
- */
-#ifndef CLEANUPTIME
-#define CLEANUPTIME 15
-#endif
-
-/**
- * Config should run every CONFIGTIME seconds
- */
-#ifndef CONFIGTIME
-#define CONFIGTIME 30
-#endif
-
-/**
- * The first execution of the config task should take place
- * immediately after initialization
- */
-#ifndef INITIAL_CONFIGTIME
-#define INITIAL_CONFIGTIME 1
-#endif
-
-/**
- * Reader should run every READERTIME milliseconds
- * With the 100Hz patch for s390, z90crypt can lock the system solid while
- * under heavy load. We'll try to avoid that.
- */
-#ifndef READERTIME
-#if HZ > 1000
-#define READERTIME 2
-#else
-#define READERTIME 10
-#endif
-#endif
-
-/**
- * turn long device array index into device pointer
- */
-#define LONG2DEVPTR(ndx) (z90crypt.device_p[(ndx)])
-
-/**
- * turn short device array index into long device array index
- */
-#define SHRT2LONG(ndx) (z90crypt.overall_device_x.device_index[(ndx)])
-
-/**
- * turn short device array index into device pointer
- */
-#define SHRT2DEVPTR(ndx) LONG2DEVPTR(SHRT2LONG(ndx))
-
-/**
- * Status for a work-element
- */
-#define STAT_DEFAULT	0x00 // request has not been processed
-
-#define STAT_ROUTED	0x80 // bit 7: requests get routed to specific device
-			     //	       else, device is determined each write
-#define STAT_FAILED	0x40 // bit 6: this bit is set if the request failed
-			     //	       before being sent to the hardware.
-#define STAT_WRITTEN	0x30 // bits 5-4: work to be done, not sent to device
-//			0x20 // UNUSED state
-#define STAT_READPEND	0x10 // bits 5-4: work done, we're returning data now
-#define STAT_NOWORK	0x00 // bits off: no work on any queue
-#define STAT_RDWRMASK	0x30 // mask for bits 5-4
-
-/**
- * Macros to check the status RDWRMASK
- */
-#define CHK_RDWRMASK(statbyte) ((statbyte) & STAT_RDWRMASK)
-#define SET_RDWRMASK(statbyte, newval) \
-	{(statbyte) &= ~STAT_RDWRMASK; (statbyte) |= newval;}
-
-/**
- * Audit Trail.	 Progress of a Work element
- * audit[0]: Unless noted otherwise, these bits are all set by the process
- */
-#define FP_COPYFROM	0x80 // Caller's buffer has been copied to work element
-#define FP_BUFFREQ	0x40 // Low Level buffer requested
-#define FP_BUFFGOT	0x20 // Low Level buffer obtained
-#define FP_SENT		0x10 // Work element sent to a crypto device
-			     // (may be set by process or by reader task)
-#define FP_PENDING	0x08 // Work element placed on pending queue
-			     // (may be set by process or by reader task)
-#define FP_REQUEST	0x04 // Work element placed on request queue
-#define FP_ASLEEP	0x02 // Work element about to sleep
-#define FP_AWAKE	0x01 // Work element has been awakened
-
-/**
- * audit[1]: These bits are set by the reader task and/or the cleanup task
- */
-#define FP_NOTPENDING	  0x80 // Work element removed from pending queue
-#define FP_AWAKENING	  0x40 // Caller about to be awakened
-#define FP_TIMEDOUT	  0x20 // Caller timed out
-#define FP_RESPSIZESET	  0x10 // Response size copied to work element
-#define FP_RESPADDRCOPIED 0x08 // Response address copied to work element
-#define FP_RESPBUFFCOPIED 0x04 // Response buffer copied to work element
-#define FP_REMREQUEST	  0x02 // Work element removed from request queue
-#define FP_SIGNALED	  0x01 // Work element was awakened by a signal
-
-/**
- * audit[2]: unused
- */
-
-/**
- * state of the file handle in private_data.status
- */
-#define STAT_OPEN 0
-#define STAT_CLOSED 1
-
-/**
- * PID() expands to the process ID of the current process
- */
-#define PID() (current->pid)
-
-/**
- * Selected Constants.	The number of APs and the number of devices
- */
-#ifndef Z90CRYPT_NUM_APS
-#define Z90CRYPT_NUM_APS 64
-#endif
-#ifndef Z90CRYPT_NUM_DEVS
-#define Z90CRYPT_NUM_DEVS Z90CRYPT_NUM_APS
-#endif
-
-/**
- * Buffer size for receiving responses. The maximum Response Size
- * is actually the maximum request size, since in an error condition
- * the request itself may be returned unchanged.
- */
-#define MAX_RESPONSE_SIZE 0x0000077C
-
-/**
- * A count and status-byte mask
- */
-struct status {
-	int	      st_count;		    // # of enabled devices
-	int	      disabled_count;	    // # of disabled devices
-	int	      user_disabled_count;  // # of devices disabled via proc fs
-	unsigned char st_mask[Z90CRYPT_NUM_APS]; // current status mask
-};
-
-/**
- * The array of device indexes is a mechanism for fast indexing into
- * a long (and sparse) array.  For instance, if APs 3, 9 and 47 are
- * installed, z90CDeviceIndex[0] is 3, z90CDeviceIndex[1] is 9, and
- * z90CDeviceIndex[2] is 47.
- */
-struct device_x {
-	int device_index[Z90CRYPT_NUM_DEVS];
-};
-
-/**
- * All devices are arranged in a single array: 64 APs
- */
-struct device {
-	int		 dev_type;	    // PCICA, PCICC, PCIXCC_MCL2,
-					    // PCIXCC_MCL3, CEX2C, CEX2A
-	enum devstat	 dev_stat;	    // current device status
-	int		 dev_self_x;	    // Index in array
-	int		 disabled;	    // Set when device is in error
-	int		 user_disabled;	    // Set when device is disabled by user
-	int		 dev_q_depth;	    // q depth
-	unsigned char *	 dev_resp_p;	    // Response buffer address
-	int		 dev_resp_l;	    // Response Buffer length
-	int		 dev_caller_count;  // Number of callers
-	int		 dev_total_req_cnt; // # requests for device since load
-	struct list_head dev_caller_list;   // List of callers
-};
-
-/**
- * There's a struct status and a struct device_x for each device type.
- */
-struct hdware_block {
-	struct status	hdware_mask;
-	struct status	type_mask[Z90CRYPT_NUM_TYPES];
-	struct device_x type_x_addr[Z90CRYPT_NUM_TYPES];
-	unsigned char	device_type_array[Z90CRYPT_NUM_APS];
-};
-
-/**
- * z90crypt is the topmost data structure in the hierarchy.
- */
-struct z90crypt {
-	int		     max_count;		// Nr of possible crypto devices
-	struct status	     mask;
-	int		     q_depth_array[Z90CRYPT_NUM_DEVS];
-	int		     dev_type_array[Z90CRYPT_NUM_DEVS];
-	struct device_x	     overall_device_x;	// array device indexes
-	struct device *	     device_p[Z90CRYPT_NUM_DEVS];
-	int		     terminating;
-	int		     domain_established;// TRUE:  domain has been found
-	int		     cdx;		// Crypto Domain Index
-	int		     len;		// Length of this data structure
-	struct hdware_block *hdware_info;
-};
-
-/**
- * An array of these structures is pointed to from dev_caller
- * The length of the array depends on the device type. For APs,
- * there are 8.
- *
- * The caller buffer is allocated to the user at OPEN. At WRITE,
- * it contains the request; at READ, the response. The function
- * send_to_crypto_device converts the request to device-dependent
- * form and use the caller's OPEN-allocated buffer for the response.
- *
- * For the contents of caller_dev_dep_req and caller_dev_dep_req_p
- * because that points to it, see the discussion in z90hardware.c.
- * Search for "extended request message block".
- */
-struct caller {
-	int		 caller_buf_l;		 // length of original request
-	unsigned char *	 caller_buf_p;		 // Original request on WRITE
-	int		 caller_dev_dep_req_l;	 // len device dependent request
-	unsigned char *	 caller_dev_dep_req_p;	 // Device dependent form
-	unsigned char	 caller_id[8];		 // caller-supplied message id
-	struct list_head caller_liste;
-	unsigned char	 caller_dev_dep_req[MAX_RESPONSE_SIZE];
-};
-
-/**
- * Function prototypes from z90hardware.c
- */
-enum hdstat query_online(int deviceNr, int cdx, int resetNr, int *q_depth,
-			 int *dev_type);
-enum devstat reset_device(int deviceNr, int cdx, int resetNr);
-enum devstat send_to_AP(int dev_nr, int cdx, int msg_len, unsigned char *msg_ext);
-enum devstat receive_from_AP(int dev_nr, int cdx, int resplen,
-			     unsigned char *resp, unsigned char *psmid);
-int convert_request(unsigned char *buffer, int func, unsigned short function,
-		    int cdx, int dev_type, int *msg_l_p, unsigned char *msg_p);
-int convert_response(unsigned char *response, unsigned char *buffer,
-		     int *respbufflen_p, unsigned char *resp_buff);
-
-/**
- * Low level function prototypes
- */
-static int create_z90crypt(int *cdx_p);
-static int refresh_z90crypt(int *cdx_p);
-static int find_crypto_devices(struct status *deviceMask);
-static int create_crypto_device(int index);
-static int destroy_crypto_device(int index);
-static void destroy_z90crypt(void);
-static int refresh_index_array(struct status *status_str,
-			       struct device_x *index_array);
-static int probe_device_type(struct device *devPtr);
-static int probe_PCIXCC_type(struct device *devPtr);
-
-/**
- * proc fs definitions
- */
-static struct proc_dir_entry *z90crypt_entry;
-
-/**
- * data structures
- */
-
-/**
- * work_element.opener points back to this structure
- */
-struct priv_data {
-	pid_t	opener_pid;
-	unsigned char	status;		// 0: open  1: closed
-};
-
-/**
- * A work element is allocated for each request
- */
-struct work_element {
-	struct priv_data *priv_data;
-	pid_t		  pid;
-	int		  devindex;	  // index of device processing this w_e
-					  // (If request did not specify device,
-					  // -1 until placed onto a queue)
-	int		  devtype;
-	struct list_head  liste;	  // used for requestq and pendingq
-	char		  buffer[128];	  // local copy of user request
-	int		  buff_size;	  // size of the buffer for the request
-	char		  resp_buff[RESPBUFFSIZE];
-	int		  resp_buff_size;
-	char __user *	  resp_addr;	  // address of response in user space
-	unsigned int	  funccode;	  // function code of request
-	wait_queue_head_t waitq;
-	unsigned long	  requestsent;	  // time at which the request was sent
-	atomic_t	  alarmrung;	  // wake-up signal
-	unsigned char	  caller_id[8];	  // pid + counter, for this w_e
-	unsigned char	  status[1];	  // bits to mark status of the request
-	unsigned char	  audit[3];	  // record of work element's progress
-	unsigned char *	  requestptr;	  // address of request buffer
-	int		  retcode;	  // return code of request
-};
-
-/**
- * High level function prototypes
- */
-static int z90crypt_open(struct inode *, struct file *);
-static int z90crypt_release(struct inode *, struct file *);
-static ssize_t z90crypt_read(struct file *, char __user *, size_t, loff_t *);
-static ssize_t z90crypt_write(struct file *, const char __user *,
-							size_t, loff_t *);
-static long z90crypt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
-static long z90crypt_compat_ioctl(struct file *, unsigned int, unsigned long);
-
-static void z90crypt_reader_task(unsigned long);
-static void z90crypt_schedule_reader_task(unsigned long);
-static void z90crypt_config_task(unsigned long);
-static void z90crypt_cleanup_task(unsigned long);
-
-static int z90crypt_status(char *, char **, off_t, int, int *, void *);
-static int z90crypt_status_write(struct file *, const char __user *,
-				 unsigned long, void *);
-
-/**
- * Storage allocated at initialization and used throughout the life of
- * this insmod
- */
-static int domain = DOMAIN_INDEX;
-static struct z90crypt z90crypt;
-static int quiesce_z90crypt;
-static spinlock_t queuespinlock;
-static struct list_head request_list;
-static int requestq_count;
-static struct list_head pending_list;
-static int pendingq_count;
-
-static struct tasklet_struct reader_tasklet;
-static struct timer_list reader_timer;
-static struct timer_list config_timer;
-static struct timer_list cleanup_timer;
-static atomic_t total_open;
-static atomic_t z90crypt_step;
-
-static struct file_operations z90crypt_fops = {
-	.owner		= THIS_MODULE,
-	.read		= z90crypt_read,
-	.write		= z90crypt_write,
-	.unlocked_ioctl	= z90crypt_unlocked_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= z90crypt_compat_ioctl,
-#endif
-	.open		= z90crypt_open,
-	.release	= z90crypt_release
-};
-
-static struct miscdevice z90crypt_misc_device = {
-	.minor	    = Z90CRYPT_MINOR,
-	.name	    = DEV_NAME,
-	.fops	    = &z90crypt_fops,
-};
-
-/**
- * Documentation values.
- */
-MODULE_AUTHOR("zSeries Linux Crypto Team: Robert H. Burroughs, Eric D. Rossman"
-	      "and Jochen Roehrig");
-MODULE_DESCRIPTION("zSeries Linux Cryptographic Coprocessor device driver, "
-		   "Copyright 2001, 2005 IBM Corporation");
-MODULE_LICENSE("GPL");
-module_param(domain, int, 0);
-MODULE_PARM_DESC(domain, "domain index for device");
-
-#ifdef CONFIG_COMPAT
-/**
- * ioctl32 conversion routines
- */
-struct ica_rsa_modexpo_32 { // For 32-bit callers
-	compat_uptr_t	inputdata;
-	unsigned int	inputdatalength;
-	compat_uptr_t	outputdata;
-	unsigned int	outputdatalength;
-	compat_uptr_t	b_key;
-	compat_uptr_t	n_modulus;
-};
-
-static long
-trans_modexpo32(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	struct ica_rsa_modexpo_32 __user *mex32u = compat_ptr(arg);
-	struct ica_rsa_modexpo_32  mex32k;
-	struct ica_rsa_modexpo __user *mex64;
-	long ret = 0;
-	unsigned int i;
-
-	if (!access_ok(VERIFY_WRITE, mex32u, sizeof(struct ica_rsa_modexpo_32)))
-		return -EFAULT;
-	mex64 = compat_alloc_user_space(sizeof(struct ica_rsa_modexpo));
-	if (!access_ok(VERIFY_WRITE, mex64, sizeof(struct ica_rsa_modexpo)))
-		return -EFAULT;
-	if (copy_from_user(&mex32k, mex32u, sizeof(struct ica_rsa_modexpo_32)))
-		return -EFAULT;
-	if (__put_user(compat_ptr(mex32k.inputdata), &mex64->inputdata)   ||
-	    __put_user(mex32k.inputdatalength, &mex64->inputdatalength)   ||
-	    __put_user(compat_ptr(mex32k.outputdata), &mex64->outputdata) ||
-	    __put_user(mex32k.outputdatalength, &mex64->outputdatalength) ||
-	    __put_user(compat_ptr(mex32k.b_key), &mex64->b_key)           ||
-	    __put_user(compat_ptr(mex32k.n_modulus), &mex64->n_modulus))
-		return -EFAULT;
-	ret = z90crypt_unlocked_ioctl(filp, cmd, (unsigned long)mex64);
-	if (!ret)
-		if (__get_user(i, &mex64->outputdatalength) ||
-		    __put_user(i, &mex32u->outputdatalength))
-			ret = -EFAULT;
-	return ret;
-}
-
-struct ica_rsa_modexpo_crt_32 { // For 32-bit callers
-	compat_uptr_t	inputdata;
-	unsigned int	inputdatalength;
-	compat_uptr_t	outputdata;
-	unsigned int	outputdatalength;
-	compat_uptr_t	bp_key;
-	compat_uptr_t	bq_key;
-	compat_uptr_t	np_prime;
-	compat_uptr_t	nq_prime;
-	compat_uptr_t	u_mult_inv;
-};
-
-static long
-trans_modexpo_crt32(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	struct ica_rsa_modexpo_crt_32 __user *crt32u = compat_ptr(arg);
-	struct ica_rsa_modexpo_crt_32  crt32k;
-	struct ica_rsa_modexpo_crt __user *crt64;
-	long ret = 0;
-	unsigned int i;
-
-	if (!access_ok(VERIFY_WRITE, crt32u,
-		       sizeof(struct ica_rsa_modexpo_crt_32)))
-		return -EFAULT;
-	crt64 = compat_alloc_user_space(sizeof(struct ica_rsa_modexpo_crt));
-	if (!access_ok(VERIFY_WRITE, crt64, sizeof(struct ica_rsa_modexpo_crt)))
-		return -EFAULT;
-	if (copy_from_user(&crt32k, crt32u,
-			   sizeof(struct ica_rsa_modexpo_crt_32)))
-		return -EFAULT;
-	if (__put_user(compat_ptr(crt32k.inputdata), &crt64->inputdata)   ||
-	    __put_user(crt32k.inputdatalength, &crt64->inputdatalength)   ||
-	    __put_user(compat_ptr(crt32k.outputdata), &crt64->outputdata) ||
-	    __put_user(crt32k.outputdatalength, &crt64->outputdatalength) ||
-	    __put_user(compat_ptr(crt32k.bp_key), &crt64->bp_key)         ||
-	    __put_user(compat_ptr(crt32k.bq_key), &crt64->bq_key)         ||
-	    __put_user(compat_ptr(crt32k.np_prime), &crt64->np_prime)     ||
-	    __put_user(compat_ptr(crt32k.nq_prime), &crt64->nq_prime)     ||
-	    __put_user(compat_ptr(crt32k.u_mult_inv), &crt64->u_mult_inv))
-		return -EFAULT;
-	ret = z90crypt_unlocked_ioctl(filp, cmd, (unsigned long)crt64);
-	if (!ret)
-		if (__get_user(i, &crt64->outputdatalength) ||
-		    __put_user(i, &crt32u->outputdatalength))
-			ret = -EFAULT;
-	return ret;
-}
-
-static long
-z90crypt_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	switch (cmd) {
-	case ICAZ90STATUS:
-	case Z90QUIESCE:
-	case Z90STAT_TOTALCOUNT:
-	case Z90STAT_PCICACOUNT:
-	case Z90STAT_PCICCCOUNT:
-	case Z90STAT_PCIXCCCOUNT:
-	case Z90STAT_PCIXCCMCL2COUNT:
-	case Z90STAT_PCIXCCMCL3COUNT:
-	case Z90STAT_CEX2CCOUNT:
-	case Z90STAT_REQUESTQ_COUNT:
-	case Z90STAT_PENDINGQ_COUNT:
-	case Z90STAT_TOTALOPEN_COUNT:
-	case Z90STAT_DOMAIN_INDEX:
-	case Z90STAT_STATUS_MASK:
-	case Z90STAT_QDEPTH_MASK:
-	case Z90STAT_PERDEV_REQCNT:
-		return z90crypt_unlocked_ioctl(filp, cmd, arg);
-	case ICARSAMODEXPO:
-		return trans_modexpo32(filp, cmd, arg);
-	case ICARSACRT:
-		return trans_modexpo_crt32(filp, cmd, arg);
-	default:
-		return -ENOIOCTLCMD;
-  	}
-}
-#endif
-
-/**
- * The module initialization code.
- */
-static int __init
-z90crypt_init_module(void)
-{
-	int result, nresult;
-	struct proc_dir_entry *entry;
-
-	PDEBUG("PID %d\n", PID());
-
-	if ((domain < -1) || (domain > 15)) {
-		PRINTKW("Invalid param: domain = %d.  Not loading.\n", domain);
-		return -EINVAL;
-	}
-
-	/* Register as misc device with given minor (or get a dynamic one). */
-	result = misc_register(&z90crypt_misc_device);
-	if (result < 0) {
-		PRINTKW(KERN_ERR "misc_register (minor %d) failed with %d\n",
-			z90crypt_misc_device.minor, result);
-		return result;
-	}
-
-	PDEBUG("Registered " DEV_NAME " with result %d\n", result);
-
-	result = create_z90crypt(&domain);
-	if (result != 0) {
-		PRINTKW("create_z90crypt (domain index %d) failed with %d.\n",
-			domain, result);
-		result = -ENOMEM;
-		goto init_module_cleanup;
-	}
-
-	if (result == 0) {
-		PRINTKN("Version %d.%d.%d loaded, built on %s %s\n",
-			z90crypt_VERSION, z90crypt_RELEASE, z90crypt_VARIANT,
-			__DATE__, __TIME__);
-		PDEBUG("create_z90crypt (domain index %d) successful.\n",
-		       domain);
-	} else
-		PRINTK("No devices at startup\n");
-
-	/* Initialize globals. */
-	spin_lock_init(&queuespinlock);
-
-	INIT_LIST_HEAD(&pending_list);
-	pendingq_count = 0;
-
-	INIT_LIST_HEAD(&request_list);
-	requestq_count = 0;
-
-	quiesce_z90crypt = 0;
-
-	atomic_set(&total_open, 0);
-	atomic_set(&z90crypt_step, 0);
-
-	/* Set up the cleanup task. */
-	init_timer(&cleanup_timer);
-	cleanup_timer.function = z90crypt_cleanup_task;
-	cleanup_timer.data = 0;
-	cleanup_timer.expires = jiffies + (CLEANUPTIME * HZ);
-	add_timer(&cleanup_timer);
-
-	/* Set up the proc file system */
-	entry = create_proc_entry("driver/z90crypt", 0644, 0);
-	if (entry) {
-		entry->nlink = 1;
-		entry->data = 0;
-		entry->read_proc = z90crypt_status;
-		entry->write_proc = z90crypt_status_write;
-	}
-	else
-		PRINTK("Couldn't create z90crypt proc entry\n");
-	z90crypt_entry = entry;
-
-	/* Set up the configuration task. */
-	init_timer(&config_timer);
-	config_timer.function = z90crypt_config_task;
-	config_timer.data = 0;
-	config_timer.expires = jiffies + (INITIAL_CONFIGTIME * HZ);
-	add_timer(&config_timer);
-
-	/* Set up the reader task */
-	tasklet_init(&reader_tasklet, z90crypt_reader_task, 0);
-	init_timer(&reader_timer);
-	reader_timer.function = z90crypt_schedule_reader_task;
-	reader_timer.data = 0;
-	reader_timer.expires = jiffies + (READERTIME * HZ / 1000);
-	add_timer(&reader_timer);
-
-	return 0; // success
-
-init_module_cleanup:
-	if ((nresult = misc_deregister(&z90crypt_misc_device)))
-		PRINTK("misc_deregister failed with %d.\n", nresult);
-	else
-		PDEBUG("misc_deregister successful.\n");
-
-	return result; // failure
-}
-
-/**
- * The module termination code
- */
-static void __exit
-z90crypt_cleanup_module(void)
-{
-	int nresult;
-
-	PDEBUG("PID %d\n", PID());
-
-	remove_proc_entry("driver/z90crypt", 0);
-
-	if ((nresult = misc_deregister(&z90crypt_misc_device)))
-		PRINTK("misc_deregister failed with %d.\n", nresult);
-	else
-		PDEBUG("misc_deregister successful.\n");
-
-	/* Remove the tasks */
-	tasklet_kill(&reader_tasklet);
-	del_timer(&reader_timer);
-	del_timer(&config_timer);
-	del_timer(&cleanup_timer);
-
-	destroy_z90crypt();
-
-	PRINTKN("Unloaded.\n");
-}
-
-/**
- * Functions running under a process id
- *
- * The I/O functions:
- *     z90crypt_open
- *     z90crypt_release
- *     z90crypt_read
- *     z90crypt_write
- *     z90crypt_unlocked_ioctl
- *     z90crypt_status
- *     z90crypt_status_write
- *	 disable_card
- *	 enable_card
- *
- * Helper functions:
- *     z90crypt_rsa
- *	 z90crypt_prepare
- *	 z90crypt_send
- *	 z90crypt_process_results
- *
- */
-static int
-z90crypt_open(struct inode *inode, struct file *filp)
-{
-	struct priv_data *private_data_p;
-
-	if (quiesce_z90crypt)
-		return -EQUIESCE;
-
-	private_data_p = kzalloc(sizeof(struct priv_data), GFP_KERNEL);
-	if (!private_data_p) {
-		PRINTK("Memory allocate failed\n");
-		return -ENOMEM;
-	}
-
-	private_data_p->status = STAT_OPEN;
-	private_data_p->opener_pid = PID();
-	filp->private_data = private_data_p;
-	atomic_inc(&total_open);
-
-	return 0;
-}
-
-static int
-z90crypt_release(struct inode *inode, struct file *filp)
-{
-	struct priv_data *private_data_p = filp->private_data;
-
-	PDEBUG("PID %d (filp %p)\n", PID(), filp);
-
-	private_data_p->status = STAT_CLOSED;
-	memset(private_data_p, 0, sizeof(struct priv_data));
-	kfree(private_data_p);
-	atomic_dec(&total_open);
-
-	return 0;
-}
-
-/*
- * there are two read functions, of which compile options will choose one
- * without USE_GET_RANDOM_BYTES
- *   => read() always returns -EPERM;
- * otherwise
- *   => read() uses get_random_bytes() kernel function
- */
-#ifndef USE_GET_RANDOM_BYTES
-/**
- * z90crypt_read will not be supported beyond z90crypt 1.3.1
- */
-static ssize_t
-z90crypt_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
-{
-	PDEBUG("filp %p (PID %d)\n", filp, PID());
-	return -EPERM;
-}
-#else // we want to use get_random_bytes
-/**
- * read() just returns a string of random bytes.  Since we have no way
- * to generate these cryptographically, we just execute get_random_bytes
- * for the length specified.
- */
-#include <linux/random.h>
-static ssize_t
-z90crypt_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
-{
-	unsigned char *temp_buff;
-
-	PDEBUG("filp %p (PID %d)\n", filp, PID());
-
-	if (quiesce_z90crypt)
-		return -EQUIESCE;
-	if (count < 0) {
-		PRINTK("Requested random byte count negative: %ld\n", count);
-		return -EINVAL;
-	}
-	if (count > RESPBUFFSIZE) {
-		PDEBUG("count[%d] > RESPBUFFSIZE", count);
-		return -EINVAL;
-	}
-	if (count == 0)
-		return 0;
-	temp_buff = kmalloc(RESPBUFFSIZE, GFP_KERNEL);
-	if (!temp_buff) {
-		PRINTK("Memory allocate failed\n");
-		return -ENOMEM;
-	}
-	get_random_bytes(temp_buff, count);
-
-	if (copy_to_user(buf, temp_buff, count) != 0) {
-		kfree(temp_buff);
-		return -EFAULT;
-	}
-	kfree(temp_buff);
-	return count;
-}
-#endif
-
-/**
- * Write is is not allowed
- */
-static ssize_t
-z90crypt_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
-{
-	PDEBUG("filp %p (PID %d)\n", filp, PID());
-	return -EPERM;
-}
-
-/**
- * New status functions
- */
-static inline int
-get_status_totalcount(void)
-{
-	return z90crypt.hdware_info->hdware_mask.st_count;
-}
-
-static inline int
-get_status_PCICAcount(void)
-{
-	return z90crypt.hdware_info->type_mask[PCICA].st_count;
-}
-
-static inline int
-get_status_PCICCcount(void)
-{
-	return z90crypt.hdware_info->type_mask[PCICC].st_count;
-}
-
-static inline int
-get_status_PCIXCCcount(void)
-{
-	return z90crypt.hdware_info->type_mask[PCIXCC_MCL2].st_count +
-	       z90crypt.hdware_info->type_mask[PCIXCC_MCL3].st_count;
-}
-
-static inline int
-get_status_PCIXCCMCL2count(void)
-{
-	return z90crypt.hdware_info->type_mask[PCIXCC_MCL2].st_count;
-}
-
-static inline int
-get_status_PCIXCCMCL3count(void)
-{
-	return z90crypt.hdware_info->type_mask[PCIXCC_MCL3].st_count;
-}
-
-static inline int
-get_status_CEX2Ccount(void)
-{
-	return z90crypt.hdware_info->type_mask[CEX2C].st_count;
-}
-
-static inline int
-get_status_CEX2Acount(void)
-{
-	return z90crypt.hdware_info->type_mask[CEX2A].st_count;
-}
-
-static inline int
-get_status_requestq_count(void)
-{
-	return requestq_count;
-}
-
-static inline int
-get_status_pendingq_count(void)
-{
-	return pendingq_count;
-}
-
-static inline int
-get_status_totalopen_count(void)
-{
-	return atomic_read(&total_open);
-}
-
-static inline int
-get_status_domain_index(void)
-{
-	return z90crypt.cdx;
-}
-
-static inline unsigned char *
-get_status_status_mask(unsigned char status[Z90CRYPT_NUM_APS])
-{
-	int i, ix;
-
-	memcpy(status, z90crypt.hdware_info->device_type_array,
-	       Z90CRYPT_NUM_APS);
-
-	for (i = 0; i < get_status_totalcount(); i++) {
-		ix = SHRT2LONG(i);
-		if (LONG2DEVPTR(ix)->user_disabled)
-			status[ix] = 0x0d;
-	}
-
-	return status;
-}
-
-static inline unsigned char *
-get_status_qdepth_mask(unsigned char qdepth[Z90CRYPT_NUM_APS])
-{
-	int i, ix;
-
-	memset(qdepth, 0, Z90CRYPT_NUM_APS);
-
-	for (i = 0; i < get_status_totalcount(); i++) {
-		ix = SHRT2LONG(i);
-		qdepth[ix] = LONG2DEVPTR(ix)->dev_caller_count;
-	}
-
-	return qdepth;
-}
-
-static inline unsigned int *
-get_status_perdevice_reqcnt(unsigned int reqcnt[Z90CRYPT_NUM_APS])
-{
-	int i, ix;
-
-	memset(reqcnt, 0, Z90CRYPT_NUM_APS * sizeof(int));
-
-	for (i = 0; i < get_status_totalcount(); i++) {
-		ix = SHRT2LONG(i);
-		reqcnt[ix] = LONG2DEVPTR(ix)->dev_total_req_cnt;
-	}
-
-	return reqcnt;
-}
-
-static inline void
-init_work_element(struct work_element *we_p,
-		  struct priv_data *priv_data, pid_t pid)
-{
-	int step;
-
-	we_p->requestptr = (unsigned char *)we_p + sizeof(struct work_element);
-	/* Come up with a unique id for this caller. */
-	step = atomic_inc_return(&z90crypt_step);
-	memcpy(we_p->caller_id+0, (void *) &pid, sizeof(pid));
-	memcpy(we_p->caller_id+4, (void *) &step, sizeof(step));
-	we_p->pid = pid;
-	we_p->priv_data = priv_data;
-	we_p->status[0] = STAT_DEFAULT;
-	we_p->audit[0] = 0x00;
-	we_p->audit[1] = 0x00;
-	we_p->audit[2] = 0x00;
-	we_p->resp_buff_size = 0;
-	we_p->retcode = 0;
-	we_p->devindex = -1;
-	we_p->devtype = -1;
-	atomic_set(&we_p->alarmrung, 0);
-	init_waitqueue_head(&we_p->waitq);
-	INIT_LIST_HEAD(&(we_p->liste));
-}
-
-static inline int
-allocate_work_element(struct work_element **we_pp,
-		      struct priv_data *priv_data_p, pid_t pid)
-{
-	struct work_element *we_p;
-
-	we_p = (struct work_element *) get_zeroed_page(GFP_KERNEL);
-	if (!we_p)
-		return -ENOMEM;
-	init_work_element(we_p, priv_data_p, pid);
-	*we_pp = we_p;
-	return 0;
-}
-
-static inline void
-remove_device(struct device *device_p)
-{
-	if (!device_p || (device_p->disabled != 0))
-		return;
-	device_p->disabled = 1;
-	z90crypt.hdware_info->type_mask[device_p->dev_type].disabled_count++;
-	z90crypt.hdware_info->hdware_mask.disabled_count++;
-}
-
-/**
- * Bitlength limits for each card
- *
- * There are new MCLs which allow more bitlengths. See the table for details.
- * The MCL must be applied and the newer bitlengths enabled for these to work.
- *
- * Card Type    Old limit    New limit
- * PCICA          ??-2048     same (the lower limit is less than 128 bit...)
- * PCICC         512-1024     512-2048
- * PCIXCC_MCL2   512-2048     ----- (applying any GA LIC will make an MCL3 card)
- * PCIXCC_MCL3   -----        128-2048
- * CEX2C         512-2048     128-2048
- * CEX2A          ??-2048     same (the lower limit is less than 128 bit...)
- *
- * ext_bitlens (extended bitlengths) is a global, since you should not apply an
- * MCL to just one card in a machine. We assume, at first, that all cards have
- * these capabilities.
- */
-int ext_bitlens = 1; // This is global
-#define PCIXCC_MIN_MOD_SIZE	 16	//  128 bits
-#define OLD_PCIXCC_MIN_MOD_SIZE	 64	//  512 bits
-#define PCICC_MIN_MOD_SIZE	 64	//  512 bits
-#define OLD_PCICC_MAX_MOD_SIZE	128	// 1024 bits
-#define MAX_MOD_SIZE		256	// 2048 bits
-
-static inline int
-select_device_type(int *dev_type_p, int bytelength)
-{
-	static int count = 0;
-	int PCICA_avail, PCIXCC_MCL3_avail, CEX2C_avail, CEX2A_avail,
-	    index_to_use;
-	struct status *stat;
-	if ((*dev_type_p != PCICC) && (*dev_type_p != PCICA) &&
-	    (*dev_type_p != PCIXCC_MCL2) && (*dev_type_p != PCIXCC_MCL3) &&
-	    (*dev_type_p != CEX2C) && (*dev_type_p != CEX2A) &&
-	    (*dev_type_p != ANYDEV))
-		return -1;
-	if (*dev_type_p != ANYDEV) {
-		stat = &z90crypt.hdware_info->type_mask[*dev_type_p];
-		if (stat->st_count >
-		    (stat->disabled_count + stat->user_disabled_count))
-			return 0;
-		return -1;
-	}
-
-	/**
-	 * Assumption: PCICA, PCIXCC_MCL3, CEX2C, and CEX2A are all similar in
-	 * speed.
-	 *
-	 * PCICA and CEX2A do NOT co-exist, so it would be either one or the
-	 * other present.
-	 */
-	stat = &z90crypt.hdware_info->type_mask[PCICA];
-	PCICA_avail = stat->st_count -
-			(stat->disabled_count + stat->user_disabled_count);
-	stat = &z90crypt.hdware_info->type_mask[PCIXCC_MCL3];
-	PCIXCC_MCL3_avail = stat->st_count -
-			(stat->disabled_count + stat->user_disabled_count);
-	stat = &z90crypt.hdware_info->type_mask[CEX2C];
-	CEX2C_avail = stat->st_count -
-			(stat->disabled_count + stat->user_disabled_count);
-	stat = &z90crypt.hdware_info->type_mask[CEX2A];
-	CEX2A_avail = stat->st_count -
-			(stat->disabled_count + stat->user_disabled_count);
-	if (PCICA_avail || PCIXCC_MCL3_avail || CEX2C_avail || CEX2A_avail) {
-		/**
-		 * bitlength is a factor, PCICA or CEX2A are the most capable,
-		 * even with the new MCL for PCIXCC.
-		 */
-		if ((bytelength < PCIXCC_MIN_MOD_SIZE) ||
-		    (!ext_bitlens && (bytelength < OLD_PCIXCC_MIN_MOD_SIZE))) {
-			if (PCICA_avail) {
-				*dev_type_p = PCICA;
-				return 0;
-			}
-			if (CEX2A_avail) {
-				*dev_type_p = CEX2A;
-				return 0;
-			}
-			return -1;
-		}
-
-		index_to_use = count % (PCICA_avail + PCIXCC_MCL3_avail +
-					CEX2C_avail + CEX2A_avail);
-		if (index_to_use < PCICA_avail)
-			*dev_type_p = PCICA;
-		else if (index_to_use < (PCICA_avail + PCIXCC_MCL3_avail))
-			*dev_type_p = PCIXCC_MCL3;
-		else if (index_to_use < (PCICA_avail + PCIXCC_MCL3_avail +
-					 CEX2C_avail))
-			*dev_type_p = CEX2C;
-		else
-			*dev_type_p = CEX2A;
-		count++;
-		return 0;
-	}
-
-	/* Less than OLD_PCIXCC_MIN_MOD_SIZE cannot go to a PCIXCC_MCL2 */
-	if (bytelength < OLD_PCIXCC_MIN_MOD_SIZE)
-		return -1;
-	stat = &z90crypt.hdware_info->type_mask[PCIXCC_MCL2];
-	if (stat->st_count >
-	    (stat->disabled_count + stat->user_disabled_count)) {
-		*dev_type_p = PCIXCC_MCL2;
-		return 0;
-	}
-
-	/**
-	 * Less than PCICC_MIN_MOD_SIZE or more than OLD_PCICC_MAX_MOD_SIZE
-	 * (if we don't have the MCL applied and the newer bitlengths enabled)
-	 * cannot go to a PCICC
-	 */
-	if ((bytelength < PCICC_MIN_MOD_SIZE) ||
-	    (!ext_bitlens && (bytelength > OLD_PCICC_MAX_MOD_SIZE))) {
-		return -1;
-	}
-	stat = &z90crypt.hdware_info->type_mask[PCICC];
-	if (stat->st_count >
-	    (stat->disabled_count + stat->user_disabled_count)) {
-		*dev_type_p = PCICC;
-		return 0;
-	}
-
-	return -1;
-}
-
-/**
- * Try the selected number, then the selected type (can be ANYDEV)
- */
-static inline int
-select_device(int *dev_type_p, int *device_nr_p, int bytelength)
-{
-	int i, indx, devTp, low_count, low_indx;
-	struct device_x *index_p;
-	struct device *dev_ptr;
-
-	PDEBUG("device type = %d, index = %d\n", *dev_type_p, *device_nr_p);
-	if ((*device_nr_p >= 0) && (*device_nr_p < Z90CRYPT_NUM_DEVS)) {
-		PDEBUG("trying index = %d\n", *device_nr_p);
-		dev_ptr = z90crypt.device_p[*device_nr_p];
-
-		if (dev_ptr &&
-		    (dev_ptr->dev_stat != DEV_GONE) &&
-		    (dev_ptr->disabled == 0) &&
-		    (dev_ptr->user_disabled == 0)) {
-			PDEBUG("selected by number, index = %d\n",
-			       *device_nr_p);
-			*dev_type_p = dev_ptr->dev_type;
-			return *device_nr_p;
-		}
-	}
-	*device_nr_p = -1;
-	PDEBUG("trying type = %d\n", *dev_type_p);
-	devTp = *dev_type_p;
-	if (select_device_type(&devTp, bytelength) == -1) {
-		PDEBUG("failed to select by type\n");
-		return -1;
-	}
-	PDEBUG("selected type = %d\n", devTp);
-	index_p = &z90crypt.hdware_info->type_x_addr[devTp];
-	low_count = 0x0000FFFF;
-	low_indx = -1;
-	for (i = 0; i < z90crypt.hdware_info->type_mask[devTp].st_count; i++) {
-		indx = index_p->device_index[i];
-		dev_ptr = z90crypt.device_p[indx];
-		if (dev_ptr &&
-		    (dev_ptr->dev_stat != DEV_GONE) &&
-		    (dev_ptr->disabled == 0) &&
-		    (dev_ptr->user_disabled == 0) &&
-		    (devTp == dev_ptr->dev_type) &&
-		    (low_count > dev_ptr->dev_caller_count)) {
-			low_count = dev_ptr->dev_caller_count;
-			low_indx = indx;
-		}
-	}
-	*device_nr_p = low_indx;
-	return low_indx;
-}
-
-static inline int
-send_to_crypto_device(struct work_element *we_p)
-{
-	struct caller *caller_p;
-	struct device *device_p;
-	int dev_nr;
-	int bytelen = ((struct ica_rsa_modexpo *)we_p->buffer)->inputdatalength;
-
-	if (!we_p->requestptr)
-		return SEN_FATAL_ERROR;
-	caller_p = (struct caller *)we_p->requestptr;
-	dev_nr = we_p->devindex;
-	if (select_device(&we_p->devtype, &dev_nr, bytelen) == -1) {
-		if (z90crypt.hdware_info->hdware_mask.st_count != 0)
-			return SEN_RETRY;
-		else
-			return SEN_NOT_AVAIL;
-	}
-	we_p->devindex = dev_nr;
-	device_p = z90crypt.device_p[dev_nr];
-	if (!device_p)
-		return SEN_NOT_AVAIL;
-	if (device_p->dev_type != we_p->devtype)
-		return SEN_RETRY;
-	if (device_p->dev_caller_count >= device_p->dev_q_depth)
-		return SEN_QUEUE_FULL;
-	PDEBUG("device number prior to send: %d\n", dev_nr);
-	switch (send_to_AP(dev_nr, z90crypt.cdx,
-			   caller_p->caller_dev_dep_req_l,
-			   caller_p->caller_dev_dep_req_p)) {
-	case DEV_SEN_EXCEPTION:
-		PRINTKC("Exception during send to device %d\n", dev_nr);
-		z90crypt.terminating = 1;
-		return SEN_FATAL_ERROR;
-	case DEV_GONE:
-		PRINTK("Device %d not available\n", dev_nr);
-		remove_device(device_p);
-		return SEN_NOT_AVAIL;
-	case DEV_EMPTY:
-		return SEN_NOT_AVAIL;
-	case DEV_NO_WORK:
-		return SEN_FATAL_ERROR;
-	case DEV_BAD_MESSAGE:
-		return SEN_USER_ERROR;
-	case DEV_QUEUE_FULL:
-		return SEN_QUEUE_FULL;
-	default:
-	case DEV_ONLINE:
-		break;
-	}
-	list_add_tail(&(caller_p->caller_liste), &(device_p->dev_caller_list));
-	device_p->dev_caller_count++;
-	return 0;
-}
-
-/**
- * Send puts the user's work on one of two queues:
- *   the pending queue if the send was successful
- *   the request queue if the send failed because device full or busy
- */
-static inline int
-z90crypt_send(struct work_element *we_p, const char *buf)
-{
-	int rv;
-
-	PDEBUG("PID %d\n", PID());
-
-	if (CHK_RDWRMASK(we_p->status[0]) != STAT_NOWORK) {
-		PDEBUG("PID %d tried to send more work but has outstanding "
-		       "work.\n", PID());
-		return -EWORKPEND;
-	}
-	we_p->devindex = -1; // Reset device number
-	spin_lock_irq(&queuespinlock);
-	rv = send_to_crypto_device(we_p);
-	switch (rv) {
-	case 0:
-		we_p->requestsent = jiffies;
-		we_p->audit[0] |= FP_SENT;
-		list_add_tail(&we_p->liste, &pending_list);
-		++pendingq_count;
-		we_p->audit[0] |= FP_PENDING;
-		break;
-	case SEN_BUSY:
-	case SEN_QUEUE_FULL:
-		rv = 0;
-		we_p->devindex = -1; // any device will do
-		we_p->requestsent = jiffies;
-		list_add_tail(&we_p->liste, &request_list);
-		++requestq_count;
-		we_p->audit[0] |= FP_REQUEST;
-		break;
-	case SEN_RETRY:
-		rv = -ERESTARTSYS;
-		break;
-	case SEN_NOT_AVAIL:
-		PRINTK("*** No devices available.\n");
-		rv = we_p->retcode = -ENODEV;
-		we_p->status[0] |= STAT_FAILED;
-		break;
-	case REC_OPERAND_INV:
-	case REC_OPERAND_SIZE:
-	case REC_EVEN_MOD:
-	case REC_INVALID_PAD:
-		rv = we_p->retcode = -EINVAL;
-		we_p->status[0] |= STAT_FAILED;
-		break;
-	default:
-		we_p->retcode = rv;
-		we_p->status[0] |= STAT_FAILED;
-		break;
-	}
-	if (rv != -ERESTARTSYS)
-		SET_RDWRMASK(we_p->status[0], STAT_WRITTEN);
-	spin_unlock_irq(&queuespinlock);
-	if (rv == 0)
-		tasklet_schedule(&reader_tasklet);
-	return rv;
-}
-
-/**
- * process_results copies the user's work from kernel space.
- */
-static inline int
-z90crypt_process_results(struct work_element *we_p, char __user *buf)
-{
-	int rv;
-
-	PDEBUG("we_p %p (PID %d)\n", we_p, PID());
-
-	LONG2DEVPTR(we_p->devindex)->dev_total_req_cnt++;
-	SET_RDWRMASK(we_p->status[0], STAT_READPEND);
-
-	rv = 0;
-	if (!we_p->buffer) {
-		PRINTK("we_p %p PID %d in STAT_READPEND: buffer NULL.\n",
-			we_p, PID());
-		rv = -ENOBUFF;
-	}
-
-	if (!rv)
-		if ((rv = copy_to_user(buf, we_p->buffer, we_p->buff_size))) {
-			PDEBUG("copy_to_user failed: rv = %d\n", rv);
-			rv = -EFAULT;
-		}
-
-	if (!rv)
-		rv = we_p->retcode;
-	if (!rv)
-		if (we_p->resp_buff_size
-		    &&	copy_to_user(we_p->resp_addr, we_p->resp_buff,
-				     we_p->resp_buff_size))
-			rv = -EFAULT;
-
-	SET_RDWRMASK(we_p->status[0], STAT_NOWORK);
-	return rv;
-}
-
-static unsigned char NULL_psmid[8] =
-{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-/**
- * Used in device configuration functions
- */
-#define MAX_RESET 90
-
-/**
- * This is used only for PCICC support
- */
-static inline int
-is_PKCS11_padded(unsigned char *buffer, int length)
-{
-	int i;
-	if ((buffer[0] != 0x00) || (buffer[1] != 0x01))
-		return 0;
-	for (i = 2; i < length; i++)
-		if (buffer[i] != 0xFF)
-			break;
-	if ((i < 10) || (i == length))
-		return 0;
-	if (buffer[i] != 0x00)
-		return 0;
-	return 1;
-}
-
-/**
- * This is used only for PCICC support
- */
-static inline int
-is_PKCS12_padded(unsigned char *buffer, int length)
-{
-	int i;
-	if ((buffer[0] != 0x00) || (buffer[1] != 0x02))
-		return 0;
-	for (i = 2; i < length; i++)
-		if (buffer[i] == 0x00)
-			break;
-	if ((i < 10) || (i == length))
-		return 0;
-	if (buffer[i] != 0x00)
-		return 0;
-	return 1;
-}
-
-/**
- * builds struct caller and converts message from generic format to
- * device-dependent format
- * func is ICARSAMODEXPO or ICARSACRT
- * function is PCI_FUNC_KEY_ENCRYPT or PCI_FUNC_KEY_DECRYPT
- */
-static inline int
-build_caller(struct work_element *we_p, short function)
-{
-	int rv;
-	struct caller *caller_p = (struct caller *)we_p->requestptr;
-
-	if ((we_p->devtype != PCICC) && (we_p->devtype != PCICA) &&
-	    (we_p->devtype != PCIXCC_MCL2) && (we_p->devtype != PCIXCC_MCL3) &&
-	    (we_p->devtype != CEX2C) && (we_p->devtype != CEX2A))
-		return SEN_NOT_AVAIL;
-
-	memcpy(caller_p->caller_id, we_p->caller_id,
-	       sizeof(caller_p->caller_id));
-	caller_p->caller_dev_dep_req_p = caller_p->caller_dev_dep_req;
-	caller_p->caller_dev_dep_req_l = MAX_RESPONSE_SIZE;
-	caller_p->caller_buf_p = we_p->buffer;
-	INIT_LIST_HEAD(&(caller_p->caller_liste));
-
-	rv = convert_request(we_p->buffer, we_p->funccode, function,
-			     z90crypt.cdx, we_p->devtype,
-			     &caller_p->caller_dev_dep_req_l,
-			     caller_p->caller_dev_dep_req_p);
-	if (rv) {
-		if (rv == SEN_NOT_AVAIL)
-			PDEBUG("request can't be processed on hdwr avail\n");
-		else
-			PRINTK("Error from convert_request: %d\n", rv);
-	}
-	else
-		memcpy(&(caller_p->caller_dev_dep_req_p[4]), we_p->caller_id,8);
-	return rv;
-}
-
-static inline void
-unbuild_caller(struct device *device_p, struct caller *caller_p)
-{
-	if (!caller_p)
-		return;
-	if (caller_p->caller_liste.next && caller_p->caller_liste.prev)
-		if (!list_empty(&caller_p->caller_liste)) {
-			list_del_init(&caller_p->caller_liste);
-			device_p->dev_caller_count--;
-		}
-	memset(caller_p->caller_id, 0, sizeof(caller_p->caller_id));
-}
-
-static inline int
-get_crypto_request_buffer(struct work_element *we_p)
-{
-	struct ica_rsa_modexpo *mex_p;
-	struct ica_rsa_modexpo_crt *crt_p;
-	unsigned char *temp_buffer;
-	short function;
-	int rv;
-
-	mex_p =	(struct ica_rsa_modexpo *) we_p->buffer;
-	crt_p = (struct ica_rsa_modexpo_crt *) we_p->buffer;
-
-	PDEBUG("device type input = %d\n", we_p->devtype);
-
-	if (z90crypt.terminating)
-		return REC_NO_RESPONSE;
-	if (memcmp(we_p->caller_id, NULL_psmid, 8) == 0) {
-		PRINTK("psmid zeroes\n");
-		return SEN_FATAL_ERROR;
-	}
-	if (!we_p->buffer) {
-		PRINTK("buffer pointer NULL\n");
-		return SEN_USER_ERROR;
-	}
-	if (!we_p->requestptr) {
-		PRINTK("caller pointer NULL\n");
-		return SEN_USER_ERROR;
-	}
-
-	if ((we_p->devtype != PCICA) && (we_p->devtype != PCICC) &&
-	    (we_p->devtype != PCIXCC_MCL2) && (we_p->devtype != PCIXCC_MCL3) &&
-	    (we_p->devtype != CEX2C) && (we_p->devtype != CEX2A) &&
-	    (we_p->devtype != ANYDEV)) {
-		PRINTK("invalid device type\n");
-		return SEN_USER_ERROR;
-	}
-
-	if ((mex_p->inputdatalength < 1) ||
-	    (mex_p->inputdatalength > MAX_MOD_SIZE)) {
-		PRINTK("inputdatalength[%d] is not valid\n",
-		       mex_p->inputdatalength);
-		return SEN_USER_ERROR;
-	}
-
-	if (mex_p->outputdatalength < mex_p->inputdatalength) {
-		PRINTK("outputdatalength[%d] < inputdatalength[%d]\n",
-		       mex_p->outputdatalength, mex_p->inputdatalength);
-		return SEN_USER_ERROR;
-	}
-
-	if (!mex_p->inputdata || !mex_p->outputdata) {
-		PRINTK("inputdata[%p] or outputdata[%p] is NULL\n",
-		       mex_p->outputdata, mex_p->inputdata);
-		return SEN_USER_ERROR;
-	}
-
-	/**
-	 * As long as outputdatalength is big enough, we can set the
-	 * outputdatalength equal to the inputdatalength, since that is the
-	 * number of bytes we will copy in any case
-	 */
-	mex_p->outputdatalength = mex_p->inputdatalength;
-
-	rv = 0;
-	switch (we_p->funccode) {
-	case ICARSAMODEXPO:
-		if (!mex_p->b_key || !mex_p->n_modulus)
-			rv = SEN_USER_ERROR;
-		break;
-	case ICARSACRT:
-		if (!IS_EVEN(crt_p->inputdatalength)) {
-			PRINTK("inputdatalength[%d] is odd, CRT form\n",
-			       crt_p->inputdatalength);
-			rv = SEN_USER_ERROR;
-			break;
-		}
-		if (!crt_p->bp_key ||
-		    !crt_p->bq_key ||
-		    !crt_p->np_prime ||
-		    !crt_p->nq_prime ||
-		    !crt_p->u_mult_inv) {
-			PRINTK("CRT form, bad data: %p/%p/%p/%p/%p\n",
-			       crt_p->bp_key, crt_p->bq_key,
-			       crt_p->np_prime, crt_p->nq_prime,
-			       crt_p->u_mult_inv);
-			rv = SEN_USER_ERROR;
-		}
-		break;
-	default:
-		PRINTK("bad func = %d\n", we_p->funccode);
-		rv = SEN_USER_ERROR;
-		break;
-	}
-	if (rv != 0)
-		return rv;
-
-	if (select_device_type(&we_p->devtype, mex_p->inputdatalength) < 0)
-		return SEN_NOT_AVAIL;
-
-	temp_buffer = (unsigned char *)we_p + sizeof(struct work_element) +
-		      sizeof(struct caller);
-	if (copy_from_user(temp_buffer, mex_p->inputdata,
-			   mex_p->inputdatalength) != 0)
-		return SEN_RELEASED;
-
-	function = PCI_FUNC_KEY_ENCRYPT;
-	switch (we_p->devtype) {
-	/* PCICA and CEX2A do everything with a simple RSA mod-expo operation */
-	case PCICA:
-	case CEX2A:
-		function = PCI_FUNC_KEY_ENCRYPT;
-		break;
-	/**
-	 * PCIXCC_MCL2 does all Mod-Expo form with a simple RSA mod-expo
-	 * operation, and all CRT forms with a PKCS-1.2 format decrypt.
-	 * PCIXCC_MCL3 and CEX2C do all Mod-Expo and CRT forms with a simple RSA
-	 * mod-expo operation
-	 */
-	case PCIXCC_MCL2:
-		if (we_p->funccode == ICARSAMODEXPO)
-			function = PCI_FUNC_KEY_ENCRYPT;
-		else
-			function = PCI_FUNC_KEY_DECRYPT;
-		break;
-	case PCIXCC_MCL3:
-	case CEX2C:
-		if (we_p->funccode == ICARSAMODEXPO)
-			function = PCI_FUNC_KEY_ENCRYPT;
-		else
-			function = PCI_FUNC_KEY_DECRYPT;
-		break;
-	/**
-	 * PCICC does everything as a PKCS-1.2 format request
-	 */
-	case PCICC:
-		/* PCICC cannot handle input that is is PKCS#1.1 padded */
-		if (is_PKCS11_padded(temp_buffer, mex_p->inputdatalength)) {
-			return SEN_NOT_AVAIL;
-		}
-		if (we_p->funccode == ICARSAMODEXPO) {
-			if (is_PKCS12_padded(temp_buffer,
-					     mex_p->inputdatalength))
-				function = PCI_FUNC_KEY_ENCRYPT;
-			else
-				function = PCI_FUNC_KEY_DECRYPT;
-		} else
-			/* all CRT forms are decrypts */
-			function = PCI_FUNC_KEY_DECRYPT;
-		break;
-	}
-	PDEBUG("function: %04x\n", function);
-	rv = build_caller(we_p, function);
-	PDEBUG("rv from build_caller = %d\n", rv);
-	return rv;
-}
-
-static inline int
-z90crypt_prepare(struct work_element *we_p, unsigned int funccode,
-		 const char __user *buffer)
-{
-	int rv;
-
-	we_p->devindex = -1;
-	if (funccode == ICARSAMODEXPO)
-		we_p->buff_size = sizeof(struct ica_rsa_modexpo);
-	else
-		we_p->buff_size = sizeof(struct ica_rsa_modexpo_crt);
-
-	if (copy_from_user(we_p->buffer, buffer, we_p->buff_size))
-		return -EFAULT;
-
-	we_p->audit[0] |= FP_COPYFROM;
-	SET_RDWRMASK(we_p->status[0], STAT_WRITTEN);
-	we_p->funccode = funccode;
-	we_p->devtype = -1;
-	we_p->audit[0] |= FP_BUFFREQ;
-	rv = get_crypto_request_buffer(we_p);
-	switch (rv) {
-	case 0:
-		we_p->audit[0] |= FP_BUFFGOT;
-		break;
-	case SEN_USER_ERROR:
-		rv = -EINVAL;
-		break;
-	case SEN_QUEUE_FULL:
-		rv = 0;
-		break;
-	case SEN_RELEASED:
-		rv = -EFAULT;
-		break;
-	case REC_NO_RESPONSE:
-		rv = -ENODEV;
-		break;
-	case SEN_NOT_AVAIL:
-	case EGETBUFF:
-		rv = -EGETBUFF;
-		break;
-	default:
-		PRINTK("rv = %d\n", rv);
-		rv = -EGETBUFF;
-		break;
-	}
-	if (CHK_RDWRMASK(we_p->status[0]) == STAT_WRITTEN)
-		SET_RDWRMASK(we_p->status[0], STAT_DEFAULT);
-	return rv;
-}
-
-static inline void
-purge_work_element(struct work_element *we_p)
-{
-	struct list_head *lptr;
-
-	spin_lock_irq(&queuespinlock);
-	list_for_each(lptr, &request_list) {
-		if (lptr == &we_p->liste) {
-			list_del_init(lptr);
-			requestq_count--;
-			break;
-		}
-	}
-	list_for_each(lptr, &pending_list) {
-		if (lptr == &we_p->liste) {
-			list_del_init(lptr);
-			pendingq_count--;
-			break;
-		}
-	}
-	spin_unlock_irq(&queuespinlock);
-}
-
-/**
- * Build the request and send it.
- */
-static inline int
-z90crypt_rsa(struct priv_data *private_data_p, pid_t pid,
-	     unsigned int cmd, unsigned long arg)
-{
-	struct work_element *we_p;
-	int rv;
-
-	if ((rv = allocate_work_element(&we_p, private_data_p, pid))) {
-		PDEBUG("PID %d: allocate_work_element returned ENOMEM\n", pid);
-		return rv;
-	}
-	if ((rv = z90crypt_prepare(we_p, cmd, (const char __user *)arg)))
-		PDEBUG("PID %d: rv = %d from z90crypt_prepare\n", pid, rv);
-	if (!rv)
-		if ((rv = z90crypt_send(we_p, (const char *)arg)))
-			PDEBUG("PID %d: rv %d from z90crypt_send.\n", pid, rv);
-	if (!rv) {
-		we_p->audit[0] |= FP_ASLEEP;
-		wait_event(we_p->waitq, atomic_read(&we_p->alarmrung));
-		we_p->audit[0] |= FP_AWAKE;
-		rv = we_p->retcode;
-	}
-	if (!rv)
-		rv = z90crypt_process_results(we_p, (char __user *)arg);
-
-	if ((we_p->status[0] & STAT_FAILED)) {
-		switch (rv) {
-		/**
-		 * EINVAL *after* receive is almost always a padding error or
-		 * length error issued by a coprocessor (not an accelerator).
-		 * We convert this return value to -EGETBUFF which should
-		 * trigger a fallback to software.
-		 */
-		case -EINVAL:
-			if ((we_p->devtype != PCICA) &&
-			    (we_p->devtype != CEX2A))
-				rv = -EGETBUFF;
-			break;
-		case -ETIMEOUT:
-			if (z90crypt.mask.st_count > 0)
-				rv = -ERESTARTSYS; // retry with another
-			else
-				rv = -ENODEV; // no cards left
-		/* fall through to clean up request queue */
-		case -ERESTARTSYS:
-		case -ERELEASED:
-			switch (CHK_RDWRMASK(we_p->status[0])) {
-			case STAT_WRITTEN:
-				purge_work_element(we_p);
-				break;
-			case STAT_READPEND:
-			case STAT_NOWORK:
-			default:
-				break;
-			}
-			break;
-		default:
-			we_p->status[0] ^= STAT_FAILED;
-			break;
-		}
-	}
-	free_page((long)we_p);
-	return rv;
-}
-
-/**
- * This function is a little long, but it's really just one large switch
- * statement.
- */
-static long
-z90crypt_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	struct priv_data *private_data_p = filp->private_data;
-	unsigned char *status;
-	unsigned char *qdepth;
-	unsigned int *reqcnt;
-	struct ica_z90_status *pstat;
-	int ret, i, loopLim, tempstat;
-	static int deprecated_msg_count1 = 0;
-	static int deprecated_msg_count2 = 0;
-
-	PDEBUG("filp %p (PID %d), cmd 0x%08X\n", filp, PID(), cmd);
-	PDEBUG("cmd 0x%08X: dir %s, size 0x%04X, type 0x%02X, nr 0x%02X\n",
-		cmd,
-		!_IOC_DIR(cmd) ? "NO"
-		: ((_IOC_DIR(cmd) == (_IOC_READ|_IOC_WRITE)) ? "RW"
-		: ((_IOC_DIR(cmd) == _IOC_READ) ? "RD"
-		: "WR")),
-		_IOC_SIZE(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd));
-
-	if (_IOC_TYPE(cmd) != Z90_IOCTL_MAGIC) {
-		PRINTK("cmd 0x%08X contains bad magic\n", cmd);
-		return -ENOTTY;
-	}
-
-	ret = 0;
-	switch (cmd) {
-	case ICARSAMODEXPO:
-	case ICARSACRT:
-		if (quiesce_z90crypt) {
-			ret = -EQUIESCE;
-			break;
-		}
-		ret = -ENODEV; // Default if no devices
-		loopLim = z90crypt.hdware_info->hdware_mask.st_count -
-			(z90crypt.hdware_info->hdware_mask.disabled_count +
-			 z90crypt.hdware_info->hdware_mask.user_disabled_count);
-		for (i = 0; i < loopLim; i++) {
-			ret = z90crypt_rsa(private_data_p, PID(), cmd, arg);
-			if (ret != -ERESTARTSYS)
-				break;
-		}
-		if (ret == -ERESTARTSYS)
-			ret = -ENODEV;
-		break;
-
-	case Z90STAT_TOTALCOUNT:
-		tempstat = get_status_totalcount();
-		if (copy_to_user((int __user *)arg, &tempstat,sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_PCICACOUNT:
-		tempstat = get_status_PCICAcount();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_PCICCCOUNT:
-		tempstat = get_status_PCICCcount();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_PCIXCCMCL2COUNT:
-		tempstat = get_status_PCIXCCMCL2count();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_PCIXCCMCL3COUNT:
-		tempstat = get_status_PCIXCCMCL3count();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_CEX2CCOUNT:
-		tempstat = get_status_CEX2Ccount();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_CEX2ACOUNT:
-		tempstat = get_status_CEX2Acount();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_REQUESTQ_COUNT:
-		tempstat = get_status_requestq_count();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_PENDINGQ_COUNT:
-		tempstat = get_status_pendingq_count();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_TOTALOPEN_COUNT:
-		tempstat = get_status_totalopen_count();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_DOMAIN_INDEX:
-		tempstat = get_status_domain_index();
-		if (copy_to_user((int __user *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90STAT_STATUS_MASK:
-		status = kmalloc(Z90CRYPT_NUM_APS, GFP_KERNEL);
-		if (!status) {
-			PRINTK("kmalloc for status failed!\n");
-			ret = -ENOMEM;
-			break;
-		}
-		get_status_status_mask(status);
-		if (copy_to_user((char __user *) arg, status, Z90CRYPT_NUM_APS)
-									!= 0)
-			ret = -EFAULT;
-		kfree(status);
-		break;
-
-	case Z90STAT_QDEPTH_MASK:
-		qdepth = kmalloc(Z90CRYPT_NUM_APS, GFP_KERNEL);
-		if (!qdepth) {
-			PRINTK("kmalloc for qdepth failed!\n");
-			ret = -ENOMEM;
-			break;
-		}
-		get_status_qdepth_mask(qdepth);
-		if (copy_to_user((char __user *) arg, qdepth, Z90CRYPT_NUM_APS) != 0)
-			ret = -EFAULT;
-		kfree(qdepth);
-		break;
-
-	case Z90STAT_PERDEV_REQCNT:
-		reqcnt = kmalloc(sizeof(int) * Z90CRYPT_NUM_APS, GFP_KERNEL);
-		if (!reqcnt) {
-			PRINTK("kmalloc for reqcnt failed!\n");
-			ret = -ENOMEM;
-			break;
-		}
-		get_status_perdevice_reqcnt(reqcnt);
-		if (copy_to_user((char __user *) arg, reqcnt,
-				 Z90CRYPT_NUM_APS * sizeof(int)) != 0)
-			ret = -EFAULT;
-		kfree(reqcnt);
-		break;
-
-		/* THIS IS DEPRECATED.	USE THE NEW STATUS CALLS */
-	case ICAZ90STATUS:
-		if (deprecated_msg_count1 < 20) {
-			PRINTK("deprecated call to ioctl (ICAZ90STATUS)!\n");
-			deprecated_msg_count1++;
-			if (deprecated_msg_count1 == 20)
-				PRINTK("No longer issuing messages related to "
-				       "deprecated call to ICAZ90STATUS.\n");
-		}
-
-		pstat = kmalloc(sizeof(struct ica_z90_status), GFP_KERNEL);
-		if (!pstat) {
-			PRINTK("kmalloc for pstat failed!\n");
-			ret = -ENOMEM;
-			break;
-		}
-
-		pstat->totalcount	 = get_status_totalcount();
-		pstat->leedslitecount	 = get_status_PCICAcount();
-		pstat->leeds2count	 = get_status_PCICCcount();
-		pstat->requestqWaitCount = get_status_requestq_count();
-		pstat->pendingqWaitCount = get_status_pendingq_count();
-		pstat->totalOpenCount	 = get_status_totalopen_count();
-		pstat->cryptoDomain	 = get_status_domain_index();
-		get_status_status_mask(pstat->status);
-		get_status_qdepth_mask(pstat->qdepth);
-
-		if (copy_to_user((struct ica_z90_status __user *) arg, pstat,
-				 sizeof(struct ica_z90_status)) != 0)
-			ret = -EFAULT;
-		kfree(pstat);
-		break;
-
-		/* THIS IS DEPRECATED.	USE THE NEW STATUS CALLS */
-	case Z90STAT_PCIXCCCOUNT:
-		if (deprecated_msg_count2 < 20) {
-			PRINTK("deprecated ioctl (Z90STAT_PCIXCCCOUNT)!\n");
-			deprecated_msg_count2++;
-			if (deprecated_msg_count2 == 20)
-				PRINTK("No longer issuing messages about depre"
-				       "cated ioctl Z90STAT_PCIXCCCOUNT.\n");
-		}
-
-		tempstat = get_status_PCIXCCcount();
-		if (copy_to_user((int *)arg, &tempstat, sizeof(int)) != 0)
-			ret = -EFAULT;
-		break;
-
-	case Z90QUIESCE:
-		if (current->euid != 0) {
-			PRINTK("QUIESCE fails: euid %d\n",
-			       current->euid);
-			ret = -EACCES;
-		} else {
-			PRINTK("QUIESCE device from PID %d\n", PID());
-			quiesce_z90crypt = 1;
-		}
-		break;
-
-	default:
-		/* user passed an invalid IOCTL number */
-		PDEBUG("cmd 0x%08X contains invalid ioctl code\n", cmd);
-		ret = -ENOTTY;
-		break;
-	}
-
-	return ret;
-}
-
-static inline int
-sprintcl(unsigned char *outaddr, unsigned char *addr, unsigned int len)
-{
-	int hl, i;
-
-	hl = 0;
-	for (i = 0; i < len; i++)
-		hl += sprintf(outaddr+hl, "%01x", (unsigned int) addr[i]);
-	hl += sprintf(outaddr+hl, " ");
-
-	return hl;
-}
-
-static inline int
-sprintrw(unsigned char *outaddr, unsigned char *addr, unsigned int len)
-{
-	int hl, inl, c, cx;
-
-	hl = sprintf(outaddr, "	   ");
-	inl = 0;
-	for (c = 0; c < (len / 16); c++) {
-		hl += sprintcl(outaddr+hl, addr+inl, 16);
-		inl += 16;
-	}
-
-	cx = len%16;
-	if (cx) {
-		hl += sprintcl(outaddr+hl, addr+inl, cx);
-		inl += cx;
-	}
-
-	hl += sprintf(outaddr+hl, "\n");
-
-	return hl;
-}
-
-static inline int
-sprinthx(unsigned char *title, unsigned char *outaddr,
-	 unsigned char *addr, unsigned int len)
-{
-	int hl, inl, r, rx;
-
-	hl = sprintf(outaddr, "\n%s\n", title);
-	inl = 0;
-	for (r = 0; r < (len / 64); r++) {
-		hl += sprintrw(outaddr+hl, addr+inl, 64);
-		inl += 64;
-	}
-	rx = len % 64;
-	if (rx) {
-		hl += sprintrw(outaddr+hl, addr+inl, rx);
-		inl += rx;
-	}
-
-	hl += sprintf(outaddr+hl, "\n");
-
-	return hl;
-}
-
-static inline int
-sprinthx4(unsigned char *title, unsigned char *outaddr,
-	  unsigned int *array, unsigned int len)
-{
-	int hl, r;
-
-	hl = sprintf(outaddr, "\n%s\n", title);
-
-	for (r = 0; r < len; r++) {
-		if ((r % 8) == 0)
-			hl += sprintf(outaddr+hl, "    ");
-		hl += sprintf(outaddr+hl, "%08X ", array[r]);
-		if ((r % 8) == 7)
-			hl += sprintf(outaddr+hl, "\n");
-	}
-
-	hl += sprintf(outaddr+hl, "\n");
-
-	return hl;
-}
-
-static int
-z90crypt_status(char *resp_buff, char **start, off_t offset,
-		int count, int *eof, void *data)
-{
-	unsigned char *workarea;
-	int len;
-
-	/* resp_buff is a page. Use the right half for a work area */
-	workarea = resp_buff+2000;
-	len = 0;
-	len += sprintf(resp_buff+len, "\nz90crypt version: %d.%d.%d\n",
-		z90crypt_VERSION, z90crypt_RELEASE, z90crypt_VARIANT);
-	len += sprintf(resp_buff+len, "Cryptographic domain: %d\n",
-		get_status_domain_index());
-	len += sprintf(resp_buff+len, "Total device count: %d\n",
-		get_status_totalcount());
-	len += sprintf(resp_buff+len, "PCICA count: %d\n",
-		get_status_PCICAcount());
-	len += sprintf(resp_buff+len, "PCICC count: %d\n",
-		get_status_PCICCcount());
-	len += sprintf(resp_buff+len, "PCIXCC MCL2 count: %d\n",
-		get_status_PCIXCCMCL2count());
-	len += sprintf(resp_buff+len, "PCIXCC MCL3 count: %d\n",
-		get_status_PCIXCCMCL3count());
-	len += sprintf(resp_buff+len, "CEX2C count: %d\n",
-		get_status_CEX2Ccount());
-	len += sprintf(resp_buff+len, "CEX2A count: %d\n",
-		get_status_CEX2Acount());
-	len += sprintf(resp_buff+len, "requestq count: %d\n",
-		get_status_requestq_count());
-	len += sprintf(resp_buff+len, "pendingq count: %d\n",
-		get_status_pendingq_count());
-	len += sprintf(resp_buff+len, "Total open handles: %d\n\n",
-		get_status_totalopen_count());
-	len += sprinthx(
-		"Online devices: 1=PCICA 2=PCICC 3=PCIXCC(MCL2) "
-		"4=PCIXCC(MCL3) 5=CEX2C 6=CEX2A",
-		resp_buff+len,
-		get_status_status_mask(workarea),
-		Z90CRYPT_NUM_APS);
-	len += sprinthx("Waiting work element counts",
-		resp_buff+len,
-		get_status_qdepth_mask(workarea),
-		Z90CRYPT_NUM_APS);
-	len += sprinthx4(
-		"Per-device successfully completed request counts",
-		resp_buff+len,
-		get_status_perdevice_reqcnt((unsigned int *)workarea),
-		Z90CRYPT_NUM_APS);
-	*eof = 1;
-	memset(workarea, 0, Z90CRYPT_NUM_APS * sizeof(unsigned int));
-	return len;
-}
-
-static inline void
-disable_card(int card_index)
-{
-	struct device *devp;
-
-	devp = LONG2DEVPTR(card_index);
-	if (!devp || devp->user_disabled)
-		return;
-	devp->user_disabled = 1;
-	z90crypt.hdware_info->hdware_mask.user_disabled_count++;
-	if (devp->dev_type == -1)
-		return;
-	z90crypt.hdware_info->type_mask[devp->dev_type].user_disabled_count++;
-}
-
-static inline void
-enable_card(int card_index)
-{
-	struct device *devp;
-
-	devp = LONG2DEVPTR(card_index);
-	if (!devp || !devp->user_disabled)
-		return;
-	devp->user_disabled = 0;
-	z90crypt.hdware_info->hdware_mask.user_disabled_count--;
-	if (devp->dev_type == -1)
-		return;
-	z90crypt.hdware_info->type_mask[devp->dev_type].user_disabled_count--;
-}
-
-static int
-z90crypt_status_write(struct file *file, const char __user *buffer,
-		      unsigned long count, void *data)
-{
-	int j, eol;
-	unsigned char *lbuf, *ptr;
-	unsigned int local_count;
-
-#define LBUFSIZE 1200
-	lbuf = kmalloc(LBUFSIZE, GFP_KERNEL);
-	if (!lbuf) {
-		PRINTK("kmalloc failed!\n");
-		return 0;
-	}
-
-	if (count <= 0)
-		return 0;
-
-	local_count = UMIN((unsigned int)count, LBUFSIZE-1);
-
-	if (copy_from_user(lbuf, buffer, local_count) != 0) {
-		kfree(lbuf);
-		return -EFAULT;
-	}
-
-	lbuf[local_count] = '\0';
-
-	ptr = strstr(lbuf, "Online devices");
-	if (ptr == 0) {
-		PRINTK("Unable to parse data (missing \"Online devices\")\n");
-		kfree(lbuf);
-		return count;
-	}
-
-	ptr = strstr(ptr, "\n");
-	if (ptr == 0) {
-		PRINTK("Unable to parse data (missing newline after \"Online devices\")\n");
-		kfree(lbuf);
-		return count;
-	}
-	ptr++;
-
-	if (strstr(ptr, "Waiting work element counts") == NULL) {
-		PRINTK("Unable to parse data (missing \"Waiting work element counts\")\n");
-		kfree(lbuf);
-		return count;
-	}
-
-	j = 0;
-	eol = 0;
-	while ((j < 64) && (*ptr != '\0')) {
-		switch (*ptr) {
-		case '\t':
-		case ' ':
-			break;
-		case '\n':
-		default:
-			eol = 1;
-			break;
-		case '0':	// no device
-		case '1':	// PCICA
-		case '2':	// PCICC
-		case '3':	// PCIXCC_MCL2
-		case '4':	// PCIXCC_MCL3
-		case '5':	// CEX2C
-		case '6':       // CEX2A
-			j++;
-			break;
-		case 'd':
-		case 'D':
-			disable_card(j);
-			j++;
-			break;
-		case 'e':
-		case 'E':
-			enable_card(j);
-			j++;
-			break;
-		}
-		if (eol)
-			break;
-		ptr++;
-	}
-
-	kfree(lbuf);
-	return count;
-}
-
-/**
- * Functions that run under a timer, with no process id
- *
- * The task functions:
- *     z90crypt_reader_task
- *	 helper_send_work
- *	 helper_handle_work_element
- *	 helper_receive_rc
- *     z90crypt_config_task
- *     z90crypt_cleanup_task
- *
- * Helper functions:
- *     z90crypt_schedule_reader_timer
- *     z90crypt_schedule_reader_task
- *     z90crypt_schedule_config_task
- *     z90crypt_schedule_cleanup_task
- */
-static inline int
-receive_from_crypto_device(int index, unsigned char *psmid, int *buff_len_p,
-			   unsigned char *buff, unsigned char __user **dest_p_p)
-{
-	int dv, rv;
-	struct device *dev_ptr;
-	struct caller *caller_p;
-	struct ica_rsa_modexpo *icaMsg_p;
-	struct list_head *ptr, *tptr;
-
-	memcpy(psmid, NULL_psmid, sizeof(NULL_psmid));
-
-	if (z90crypt.terminating)
-		return REC_FATAL_ERROR;
-
-	caller_p = 0;
-	dev_ptr = z90crypt.device_p[index];
-	rv = 0;
-	do {
-		if (!dev_ptr || dev_ptr->disabled) {
-			rv = REC_NO_WORK; // a disabled device can't return work
-			break;
-		}
-		if (dev_ptr->dev_self_x != index) {
-			PRINTKC("Corrupt dev ptr\n");
-			z90crypt.terminating = 1;
-			rv = REC_FATAL_ERROR;
-			break;
-		}
-		if (!dev_ptr->dev_resp_l || !dev_ptr->dev_resp_p) {
-			dv = DEV_REC_EXCEPTION;
-			PRINTK("dev_resp_l = %d, dev_resp_p = %p\n",
-			       dev_ptr->dev_resp_l, dev_ptr->dev_resp_p);
-		} else {
-			PDEBUG("Dequeue called for device %d\n", index);
-			dv = receive_from_AP(index, z90crypt.cdx,
-					     dev_ptr->dev_resp_l,
-					     dev_ptr->dev_resp_p, psmid);
-		}
-		switch (dv) {
-		case DEV_REC_EXCEPTION:
-			rv = REC_FATAL_ERROR;
-			z90crypt.terminating = 1;
-			PRINTKC("Exception in receive from device %d\n",
-				index);
-			break;
-		case DEV_ONLINE:
-			rv = 0;
-			break;
-		case DEV_EMPTY:
-			rv = REC_EMPTY;
-			break;
-		case DEV_NO_WORK:
-			rv = REC_NO_WORK;
-			break;
-		case DEV_BAD_MESSAGE:
-		case DEV_GONE:
-		case REC_HARDWAR_ERR:
-		default:
-			rv = REC_NO_RESPONSE;
-			break;
-		}
-		if (rv)
-			break;
-		if (dev_ptr->dev_caller_count <= 0) {
-			rv = REC_USER_GONE;
-			break;
-	        }
-
-		list_for_each_safe(ptr, tptr, &dev_ptr->dev_caller_list) {
-			caller_p = list_entry(ptr, struct caller, caller_liste);
-			if (!memcmp(caller_p->caller_id, psmid,
-				    sizeof(caller_p->caller_id))) {
-				if (!list_empty(&caller_p->caller_liste)) {
-					list_del_init(ptr);
-					dev_ptr->dev_caller_count--;
-					break;
-				}
-			}
-			caller_p = 0;
-		}
-		if (!caller_p) {
-			PRINTKW("Unable to locate PSMID %02X%02X%02X%02X%02X"
-				"%02X%02X%02X in device list\n",
-				psmid[0], psmid[1], psmid[2], psmid[3],
-				psmid[4], psmid[5], psmid[6], psmid[7]);
-			rv = REC_USER_GONE;
-			break;
-		}
-
-		PDEBUG("caller_p after successful receive: %p\n", caller_p);
-		rv = convert_response(dev_ptr->dev_resp_p,
-				      caller_p->caller_buf_p, buff_len_p, buff);
-		switch (rv) {
-		case REC_USE_PCICA:
-			break;
-		case REC_OPERAND_INV:
-		case REC_OPERAND_SIZE:
-		case REC_EVEN_MOD:
-		case REC_INVALID_PAD:
-			PDEBUG("device %d: 'user error' %d\n", index, rv);
-			break;
-		case WRONG_DEVICE_TYPE:
-		case REC_HARDWAR_ERR:
-		case REC_BAD_MESSAGE:
-			PRINTKW("device %d: hardware error %d\n", index, rv);
-			rv = REC_NO_RESPONSE;
-			break;
-		default:
-			PDEBUG("device %d: rv = %d\n", index, rv);
-			break;
-		}
-	} while (0);
-
-	switch (rv) {
-	case 0:
-		PDEBUG("Successful receive from device %d\n", index);
-		icaMsg_p = (struct ica_rsa_modexpo *)caller_p->caller_buf_p;
-		*dest_p_p = icaMsg_p->outputdata;
-		if (*buff_len_p == 0)
-			PRINTK("Zero *buff_len_p\n");
-		break;
-	case REC_NO_RESPONSE:
-		PRINTKW("Removing device %d from availability\n", index);
-		remove_device(dev_ptr);
-		break;
-	}
-
-	if (caller_p)
-		unbuild_caller(dev_ptr, caller_p);
-
-	return rv;
-}
-
-static inline void
-helper_send_work(int index)
-{
-	struct work_element *rq_p;
-	int rv;
-
-	if (list_empty(&request_list))
-		return;
-	requestq_count--;
-	rq_p = list_entry(request_list.next, struct work_element, liste);
-	list_del_init(&rq_p->liste);
-	rq_p->audit[1] |= FP_REMREQUEST;
-	if (rq_p->devtype == SHRT2DEVPTR(index)->dev_type) {
-		rq_p->devindex = SHRT2LONG(index);
-		rv = send_to_crypto_device(rq_p);
-		if (rv == 0) {
-			rq_p->requestsent = jiffies;
-			rq_p->audit[0] |= FP_SENT;
-			list_add_tail(&rq_p->liste, &pending_list);
-			++pendingq_count;
-			rq_p->audit[0] |= FP_PENDING;
-		} else {
-			switch (rv) {
-			case REC_OPERAND_INV:
-			case REC_OPERAND_SIZE:
-			case REC_EVEN_MOD:
-			case REC_INVALID_PAD:
-				rq_p->retcode = -EINVAL;
-				break;
-			case SEN_NOT_AVAIL:
-			case SEN_RETRY:
-			case REC_NO_RESPONSE:
-			default:
-				if (z90crypt.mask.st_count > 1)
-					rq_p->retcode =
-						-ERESTARTSYS;
-				else
-					rq_p->retcode = -ENODEV;
-				break;
-			}
-			rq_p->status[0] |= STAT_FAILED;
-			rq_p->audit[1] |= FP_AWAKENING;
-			atomic_set(&rq_p->alarmrung, 1);
-			wake_up(&rq_p->waitq);
-		}
-	} else {
-		if (z90crypt.mask.st_count > 1)
-			rq_p->retcode = -ERESTARTSYS;
-		else
-			rq_p->retcode = -ENODEV;
-		rq_p->status[0] |= STAT_FAILED;
-		rq_p->audit[1] |= FP_AWAKENING;
-		atomic_set(&rq_p->alarmrung, 1);
-		wake_up(&rq_p->waitq);
-	}
-}
-
-static inline void
-helper_handle_work_element(int index, unsigned char psmid[8], int rc,
-			   int buff_len, unsigned char *buff,
-			   unsigned char __user *resp_addr)
-{
-	struct work_element *pq_p;
-	struct list_head *lptr, *tptr;
-
-	pq_p = 0;
-	list_for_each_safe(lptr, tptr, &pending_list) {
-		pq_p = list_entry(lptr, struct work_element, liste);
-		if (!memcmp(pq_p->caller_id, psmid, sizeof(pq_p->caller_id))) {
-			list_del_init(lptr);
-			pendingq_count--;
-			pq_p->audit[1] |= FP_NOTPENDING;
-			break;
-		}
-		pq_p = 0;
-	}
-
-	if (!pq_p) {
-		PRINTK("device %d has work but no caller exists on pending Q\n",
-		       SHRT2LONG(index));
-		return;
-	}
-
-	switch (rc) {
-		case 0:
-			pq_p->resp_buff_size = buff_len;
-			pq_p->audit[1] |= FP_RESPSIZESET;
-			if (buff_len) {
-				pq_p->resp_addr = resp_addr;
-				pq_p->audit[1] |= FP_RESPADDRCOPIED;
-				memcpy(pq_p->resp_buff, buff, buff_len);
-				pq_p->audit[1] |= FP_RESPBUFFCOPIED;
-			}
-			break;
-		case REC_OPERAND_INV:
-		case REC_OPERAND_SIZE:
-		case REC_EVEN_MOD:
-		case REC_INVALID_PAD:
-			PDEBUG("-EINVAL after application error %d\n", rc);
-			pq_p->retcode = -EINVAL;
-			pq_p->status[0] |= STAT_FAILED;
-			break;
-		case REC_USE_PCICA:
-			pq_p->retcode = -ERESTARTSYS;
-			pq_p->status[0] |= STAT_FAILED;
-			break;
-		case REC_NO_RESPONSE:
-		default:
-			if (z90crypt.mask.st_count > 1)
-				pq_p->retcode = -ERESTARTSYS;
-			else
-				pq_p->retcode = -ENODEV;
-			pq_p->status[0] |= STAT_FAILED;
-			break;
-	}
-	if ((pq_p->status[0] != STAT_FAILED) || (pq_p->retcode != -ERELEASED)) {
-		pq_p->audit[1] |= FP_AWAKENING;
-		atomic_set(&pq_p->alarmrung, 1);
-		wake_up(&pq_p->waitq);
-	}
-}
-
-/**
- * return TRUE if the work element should be removed from the queue
- */
-static inline int
-helper_receive_rc(int index, int *rc_p)
-{
-	switch (*rc_p) {
-	case 0:
-	case REC_OPERAND_INV:
-	case REC_OPERAND_SIZE:
-	case REC_EVEN_MOD:
-	case REC_INVALID_PAD:
-	case REC_USE_PCICA:
-		break;
-
-	case REC_BUSY:
-	case REC_NO_WORK:
-	case REC_EMPTY:
-	case REC_RETRY_DEV:
-	case REC_FATAL_ERROR:
-		return 0;
-
-	case REC_NO_RESPONSE:
-		break;
-
-	default:
-		PRINTK("rc %d, device %d converted to REC_NO_RESPONSE\n",
-		       *rc_p, SHRT2LONG(index));
-		*rc_p = REC_NO_RESPONSE;
-		break;
-	}
-	return 1;
-}
-
-static inline void
-z90crypt_schedule_reader_timer(void)
-{
-	if (timer_pending(&reader_timer))
-		return;
-	if (mod_timer(&reader_timer, jiffies+(READERTIME*HZ/1000)) != 0)
-		PRINTK("Timer pending while modifying reader timer\n");
-}
-
-static void
-z90crypt_reader_task(unsigned long ptr)
-{
-	int workavail, index, rc, buff_len;
-	unsigned char	psmid[8];
-	unsigned char __user *resp_addr;
-	static unsigned char buff[1024];
-
-	/**
-	 * we use workavail = 2 to ensure 2 passes with nothing dequeued before
-	 * exiting the loop. If (pendingq_count+requestq_count) == 0 after the
-	 * loop, there is no work remaining on the queues.
-	 */
-	resp_addr = 0;
-	workavail = 2;
-	buff_len = 0;
-	while (workavail) {
-		workavail--;
-		rc = 0;
-		spin_lock_irq(&queuespinlock);
-		memset(buff, 0x00, sizeof(buff));
-
-		/* Dequeue once from each device in round robin. */
-		for (index = 0; index < z90crypt.mask.st_count; index++) {
-			PDEBUG("About to receive.\n");
-			rc = receive_from_crypto_device(SHRT2LONG(index),
-							psmid,
-							&buff_len,
-							buff,
-							&resp_addr);
-			PDEBUG("Dequeued: rc = %d.\n", rc);
-
-			if (helper_receive_rc(index, &rc)) {
-				if (rc != REC_NO_RESPONSE) {
-					helper_send_work(index);
-					workavail = 2;
-				}
-
-				helper_handle_work_element(index, psmid, rc,
-							   buff_len, buff,
-							   resp_addr);
-			}
-
-			if (rc == REC_FATAL_ERROR)
-				PRINTKW("REC_FATAL_ERROR from device %d!\n",
-					SHRT2LONG(index));
-		}
-		spin_unlock_irq(&queuespinlock);
-	}
-
-	if (pendingq_count + requestq_count)
-		z90crypt_schedule_reader_timer();
-}
-
-static inline void
-z90crypt_schedule_config_task(unsigned int expiration)
-{
-	if (timer_pending(&config_timer))
-		return;
-	if (mod_timer(&config_timer, jiffies+(expiration*HZ)) != 0)
-		PRINTK("Timer pending while modifying config timer\n");
-}
-
-static void
-z90crypt_config_task(unsigned long ptr)
-{
-	int rc;
-
-	PDEBUG("jiffies %ld\n", jiffies);
-
-	if ((rc = refresh_z90crypt(&z90crypt.cdx)))
-		PRINTK("Error %d detected in refresh_z90crypt.\n", rc);
-	/* If return was fatal, don't bother reconfiguring */
-	if ((rc != TSQ_FATAL_ERROR) && (rc != RSQ_FATAL_ERROR))
-		z90crypt_schedule_config_task(CONFIGTIME);
-}
-
-static inline void
-z90crypt_schedule_cleanup_task(void)
-{
-	if (timer_pending(&cleanup_timer))
-		return;
-	if (mod_timer(&cleanup_timer, jiffies+(CLEANUPTIME*HZ)) != 0)
-		PRINTK("Timer pending while modifying cleanup timer\n");
-}
-
-static inline void
-helper_drain_queues(void)
-{
-	struct work_element *pq_p;
-	struct list_head *lptr, *tptr;
-
-	list_for_each_safe(lptr, tptr, &pending_list) {
-		pq_p = list_entry(lptr, struct work_element, liste);
-		pq_p->retcode = -ENODEV;
-		pq_p->status[0] |= STAT_FAILED;
-		unbuild_caller(LONG2DEVPTR(pq_p->devindex),
-			       (struct caller *)pq_p->requestptr);
-		list_del_init(lptr);
-		pendingq_count--;
-		pq_p->audit[1] |= FP_NOTPENDING;
-		pq_p->audit[1] |= FP_AWAKENING;
-		atomic_set(&pq_p->alarmrung, 1);
-		wake_up(&pq_p->waitq);
-	}
-
-	list_for_each_safe(lptr, tptr, &request_list) {
-		pq_p = list_entry(lptr, struct work_element, liste);
-		pq_p->retcode = -ENODEV;
-		pq_p->status[0] |= STAT_FAILED;
-		list_del_init(lptr);
-		requestq_count--;
-		pq_p->audit[1] |= FP_REMREQUEST;
-		pq_p->audit[1] |= FP_AWAKENING;
-		atomic_set(&pq_p->alarmrung, 1);
-		wake_up(&pq_p->waitq);
-	}
-}
-
-static inline void
-helper_timeout_requests(void)
-{
-	struct work_element *pq_p;
-	struct list_head *lptr, *tptr;
-	long timelimit;
-
-	timelimit = jiffies - (CLEANUPTIME * HZ);
-	/* The list is in strict chronological order */
-	list_for_each_safe(lptr, tptr, &pending_list) {
-		pq_p = list_entry(lptr, struct work_element, liste);
-		if (pq_p->requestsent >= timelimit)
-			break;
-		PRINTKW("Purging(PQ) PSMID %02X%02X%02X%02X%02X%02X%02X%02X\n",
-		       ((struct caller *)pq_p->requestptr)->caller_id[0],
-		       ((struct caller *)pq_p->requestptr)->caller_id[1],
-		       ((struct caller *)pq_p->requestptr)->caller_id[2],
-		       ((struct caller *)pq_p->requestptr)->caller_id[3],
-		       ((struct caller *)pq_p->requestptr)->caller_id[4],
-		       ((struct caller *)pq_p->requestptr)->caller_id[5],
-		       ((struct caller *)pq_p->requestptr)->caller_id[6],
-		       ((struct caller *)pq_p->requestptr)->caller_id[7]);
-		pq_p->retcode = -ETIMEOUT;
-		pq_p->status[0] |= STAT_FAILED;
-		/* get this off any caller queue it may be on */
-		unbuild_caller(LONG2DEVPTR(pq_p->devindex),
-			       (struct caller *) pq_p->requestptr);
-		list_del_init(lptr);
-		pendingq_count--;
-		pq_p->audit[1] |= FP_TIMEDOUT;
-		pq_p->audit[1] |= FP_NOTPENDING;
-		pq_p->audit[1] |= FP_AWAKENING;
-		atomic_set(&pq_p->alarmrung, 1);
-		wake_up(&pq_p->waitq);
-	}
-
-	/**
-	 * If pending count is zero, items left on the request queue may
-	 * never be processed.
-	 */
-	if (pendingq_count <= 0) {
-		list_for_each_safe(lptr, tptr, &request_list) {
-			pq_p = list_entry(lptr, struct work_element, liste);
-			if (pq_p->requestsent >= timelimit)
-				break;
-		PRINTKW("Purging(RQ) PSMID %02X%02X%02X%02X%02X%02X%02X%02X\n",
-		       ((struct caller *)pq_p->requestptr)->caller_id[0],
-		       ((struct caller *)pq_p->requestptr)->caller_id[1],
-		       ((struct caller *)pq_p->requestptr)->caller_id[2],
-		       ((struct caller *)pq_p->requestptr)->caller_id[3],
-		       ((struct caller *)pq_p->requestptr)->caller_id[4],
-		       ((struct caller *)pq_p->requestptr)->caller_id[5],
-		       ((struct caller *)pq_p->requestptr)->caller_id[6],
-		       ((struct caller *)pq_p->requestptr)->caller_id[7]);
-			pq_p->retcode = -ETIMEOUT;
-			pq_p->status[0] |= STAT_FAILED;
-			list_del_init(lptr);
-			requestq_count--;
-			pq_p->audit[1] |= FP_TIMEDOUT;
-			pq_p->audit[1] |= FP_REMREQUEST;
-			pq_p->audit[1] |= FP_AWAKENING;
-			atomic_set(&pq_p->alarmrung, 1);
-			wake_up(&pq_p->waitq);
-		}
-	}
-}
-
-static void
-z90crypt_cleanup_task(unsigned long ptr)
-{
-	PDEBUG("jiffies %ld\n", jiffies);
-	spin_lock_irq(&queuespinlock);
-	if (z90crypt.mask.st_count <= 0) // no devices!
-		helper_drain_queues();
-	else
-		helper_timeout_requests();
-	spin_unlock_irq(&queuespinlock);
-	z90crypt_schedule_cleanup_task();
-}
-
-static void
-z90crypt_schedule_reader_task(unsigned long ptr)
-{
-	tasklet_schedule(&reader_tasklet);
-}
-
-/**
- * Lowlevel Functions:
- *
- *   create_z90crypt:  creates and initializes basic data structures
- *   refresh_z90crypt:	re-initializes basic data structures
- *   find_crypto_devices: returns a count and mask of hardware status
- *   create_crypto_device:  builds the descriptor for a device
- *   destroy_crypto_device:  unallocates the descriptor for a device
- *   destroy_z90crypt:	drains all work, unallocates structs
- */
-
-/**
- * build the z90crypt root structure using the given domain index
- */
-static int
-create_z90crypt(int *cdx_p)
-{
-	struct hdware_block *hdware_blk_p;
-
-	memset(&z90crypt, 0x00, sizeof(struct z90crypt));
-	z90crypt.domain_established = 0;
-	z90crypt.len = sizeof(struct z90crypt);
-	z90crypt.max_count = Z90CRYPT_NUM_DEVS;
-	z90crypt.cdx = *cdx_p;
-
-	hdware_blk_p = kzalloc(sizeof(struct hdware_block), GFP_ATOMIC);
-	if (!hdware_blk_p) {
-		PDEBUG("kmalloc for hardware block failed\n");
-		return ENOMEM;
-	}
-	z90crypt.hdware_info = hdware_blk_p;
-
-	return 0;
-}
-
-static inline int
-helper_scan_devices(int cdx_array[16], int *cdx_p, int *correct_cdx_found)
-{
-	enum hdstat hd_stat;
-	int q_depth, dev_type;
-	int indx, chkdom, numdomains;
-
-	q_depth = dev_type = numdomains = 0;
-	for (chkdom = 0; chkdom <= 15; cdx_array[chkdom++] = -1);
-	for (indx = 0; indx < z90crypt.max_count; indx++) {
-		hd_stat = HD_NOT_THERE;
-		numdomains = 0;
-		for (chkdom = 0; chkdom <= 15; chkdom++) {
-			hd_stat = query_online(indx, chkdom, MAX_RESET,
-					       &q_depth, &dev_type);
-			if (hd_stat == HD_TSQ_EXCEPTION) {
-				z90crypt.terminating = 1;
-				PRINTKC("exception taken!\n");
-				break;
-			}
-			if (hd_stat == HD_ONLINE) {
-				cdx_array[numdomains++] = chkdom;
-				if (*cdx_p == chkdom) {
-					*correct_cdx_found  = 1;
-					break;
-				}
-			}
-		}
-		if ((*correct_cdx_found == 1) || (numdomains != 0))
-			break;
-		if (z90crypt.terminating)
-			break;
-	}
-	return numdomains;
-}
-
-static inline int
-probe_crypto_domain(int *cdx_p)
-{
-	int cdx_array[16];
-	char cdx_array_text[53], temp[5];
-	int correct_cdx_found, numdomains;
-
-	correct_cdx_found = 0;
-	numdomains = helper_scan_devices(cdx_array, cdx_p, &correct_cdx_found);
-
-	if (z90crypt.terminating)
-		return TSQ_FATAL_ERROR;
-
-	if (correct_cdx_found)
-		return 0;
-
-	if (numdomains == 0) {
-		PRINTKW("Unable to find crypto domain: No devices found\n");
-		return Z90C_NO_DEVICES;
-	}
-
-	if (numdomains == 1) {
-		if (*cdx_p == -1) {
-			*cdx_p = cdx_array[0];
-			return 0;
-		}
-		PRINTKW("incorrect domain: specified = %d, found = %d\n",
-		       *cdx_p, cdx_array[0]);
-		return Z90C_INCORRECT_DOMAIN;
-	}
-
-	numdomains--;
-	sprintf(cdx_array_text, "%d", cdx_array[numdomains]);
-	while (numdomains) {
-		numdomains--;
-		sprintf(temp, ", %d", cdx_array[numdomains]);
-		strcat(cdx_array_text, temp);
-	}
-
-	PRINTKW("ambiguous domain detected: specified = %d, found array = %s\n",
-		*cdx_p, cdx_array_text);
-	return Z90C_AMBIGUOUS_DOMAIN;
-}
-
-static int
-refresh_z90crypt(int *cdx_p)
-{
-	int i, j, indx, rv;
-	static struct status local_mask;
-	struct device *devPtr;
-	unsigned char oldStat, newStat;
-	int return_unchanged;
-
-	if (z90crypt.len != sizeof(z90crypt))
-		return ENOTINIT;
-	if (z90crypt.terminating)
-		return TSQ_FATAL_ERROR;
-	rv = 0;
-	if (!z90crypt.hdware_info->hdware_mask.st_count &&
-	    !z90crypt.domain_established) {
-		rv = probe_crypto_domain(cdx_p);
-		if (z90crypt.terminating)
-			return TSQ_FATAL_ERROR;
-		if (rv == Z90C_NO_DEVICES)
-			return 0; // try later
-		if (rv)
-			return rv;
-		z90crypt.cdx = *cdx_p;
-		z90crypt.domain_established = 1;
-	}
-	rv = find_crypto_devices(&local_mask);
-	if (rv) {
-		PRINTK("find crypto devices returned %d\n", rv);
-		return rv;
-	}
-	if (!memcmp(&local_mask, &z90crypt.hdware_info->hdware_mask,
-		    sizeof(struct status))) {
-		return_unchanged = 1;
-		for (i = 0; i < Z90CRYPT_NUM_TYPES; i++) {
-			/**
-			 * Check for disabled cards.  If any device is marked
-			 * disabled, destroy it.
-			 */
-			for (j = 0;
-			     j < z90crypt.hdware_info->type_mask[i].st_count;
-			     j++) {
-				indx = z90crypt.hdware_info->type_x_addr[i].
-								device_index[j];
-				devPtr = z90crypt.device_p[indx];
-				if (devPtr && devPtr->disabled) {
-					local_mask.st_mask[indx] = HD_NOT_THERE;
-					return_unchanged = 0;
-				}
-			}
-		}
-		if (return_unchanged == 1)
-			return 0;
-	}
-
-	spin_lock_irq(&queuespinlock);
-	for (i = 0; i < z90crypt.max_count; i++) {
-		oldStat = z90crypt.hdware_info->hdware_mask.st_mask[i];
-		newStat = local_mask.st_mask[i];
-		if ((oldStat == HD_ONLINE) && (newStat != HD_ONLINE))
-			destroy_crypto_device(i);
-		else if ((oldStat != HD_ONLINE) && (newStat == HD_ONLINE)) {
-			rv = create_crypto_device(i);
-			if (rv >= REC_FATAL_ERROR)
-				return rv;
-			if (rv != 0) {
-				local_mask.st_mask[i] = HD_NOT_THERE;
-				local_mask.st_count--;
-			}
-		}
-	}
-	memcpy(z90crypt.hdware_info->hdware_mask.st_mask, local_mask.st_mask,
-	       sizeof(local_mask.st_mask));
-	z90crypt.hdware_info->hdware_mask.st_count = local_mask.st_count;
-	z90crypt.hdware_info->hdware_mask.disabled_count =
-						      local_mask.disabled_count;
-	refresh_index_array(&z90crypt.mask, &z90crypt.overall_device_x);
-	for (i = 0; i < Z90CRYPT_NUM_TYPES; i++)
-		refresh_index_array(&(z90crypt.hdware_info->type_mask[i]),
-				    &(z90crypt.hdware_info->type_x_addr[i]));
-	spin_unlock_irq(&queuespinlock);
-
-	return rv;
-}
-
-static int
-find_crypto_devices(struct status *deviceMask)
-{
-	int i, q_depth, dev_type;
-	enum hdstat hd_stat;
-
-	deviceMask->st_count = 0;
-	deviceMask->disabled_count = 0;
-	deviceMask->user_disabled_count = 0;
-
-	for (i = 0; i < z90crypt.max_count; i++) {
-		hd_stat = query_online(i, z90crypt.cdx, MAX_RESET, &q_depth,
-				       &dev_type);
-		if (hd_stat == HD_TSQ_EXCEPTION) {
-			z90crypt.terminating = 1;
-			PRINTKC("Exception during probe for crypto devices\n");
-			return TSQ_FATAL_ERROR;
-		}
-		deviceMask->st_mask[i] = hd_stat;
-		if (hd_stat == HD_ONLINE) {
-			PDEBUG("Got an online crypto!: %d\n", i);
-			PDEBUG("Got a queue depth of %d\n", q_depth);
-			PDEBUG("Got a device type of %d\n", dev_type);
-			if (q_depth <= 0)
-				return TSQ_FATAL_ERROR;
-			deviceMask->st_count++;
-			z90crypt.q_depth_array[i] = q_depth;
-			z90crypt.dev_type_array[i] = dev_type;
-		}
-	}
-
-	return 0;
-}
-
-static int
-refresh_index_array(struct status *status_str, struct device_x *index_array)
-{
-	int i, count;
-	enum devstat stat;
-
-	i = -1;
-	count = 0;
-	do {
-		stat = status_str->st_mask[++i];
-		if (stat == DEV_ONLINE)
-			index_array->device_index[count++] = i;
-	} while ((i < Z90CRYPT_NUM_DEVS) && (count < status_str->st_count));
-
-	return count;
-}
-
-static int
-create_crypto_device(int index)
-{
-	int rv, devstat, total_size;
-	struct device *dev_ptr;
-	struct status *type_str_p;
-	int deviceType;
-
-	dev_ptr = z90crypt.device_p[index];
-	if (!dev_ptr) {
-		total_size = sizeof(struct device) +
-			     z90crypt.q_depth_array[index] * sizeof(int);
-
-		dev_ptr = kzalloc(total_size, GFP_ATOMIC);
-		if (!dev_ptr) {
-			PRINTK("kmalloc device %d failed\n", index);
-			return ENOMEM;
-		}
-		dev_ptr->dev_resp_p = kmalloc(MAX_RESPONSE_SIZE, GFP_ATOMIC);
-		if (!dev_ptr->dev_resp_p) {
-			kfree(dev_ptr);
-			PRINTK("kmalloc device %d rec buffer failed\n", index);
-			return ENOMEM;
-		}
-		dev_ptr->dev_resp_l = MAX_RESPONSE_SIZE;
-		INIT_LIST_HEAD(&(dev_ptr->dev_caller_list));
-	}
-
-	devstat = reset_device(index, z90crypt.cdx, MAX_RESET);
-	if (devstat == DEV_RSQ_EXCEPTION) {
-		PRINTK("exception during reset device %d\n", index);
-		kfree(dev_ptr->dev_resp_p);
-		kfree(dev_ptr);
-		return RSQ_FATAL_ERROR;
-	}
-	if (devstat == DEV_ONLINE) {
-		dev_ptr->dev_self_x = index;
-		dev_ptr->dev_type = z90crypt.dev_type_array[index];
-		if (dev_ptr->dev_type == NILDEV) {
-			rv = probe_device_type(dev_ptr);
-			if (rv) {
-				PRINTK("rv = %d from probe_device_type %d\n",
-				       rv, index);
-				kfree(dev_ptr->dev_resp_p);
-				kfree(dev_ptr);
-				return rv;
-			}
-		}
-		if (dev_ptr->dev_type == PCIXCC_UNK) {
-			rv = probe_PCIXCC_type(dev_ptr);
-			if (rv) {
-				PRINTK("rv = %d from probe_PCIXCC_type %d\n",
-				       rv, index);
-				kfree(dev_ptr->dev_resp_p);
-				kfree(dev_ptr);
-				return rv;
-			}
-		}
-		deviceType = dev_ptr->dev_type;
-		z90crypt.dev_type_array[index] = deviceType;
-		if (deviceType == PCICA)
-			z90crypt.hdware_info->device_type_array[index] = 1;
-		else if (deviceType == PCICC)
-			z90crypt.hdware_info->device_type_array[index] = 2;
-		else if (deviceType == PCIXCC_MCL2)
-			z90crypt.hdware_info->device_type_array[index] = 3;
-		else if (deviceType == PCIXCC_MCL3)
-			z90crypt.hdware_info->device_type_array[index] = 4;
-		else if (deviceType == CEX2C)
-			z90crypt.hdware_info->device_type_array[index] = 5;
-		else if (deviceType == CEX2A)
-			z90crypt.hdware_info->device_type_array[index] = 6;
-		else // No idea how this would happen.
-			z90crypt.hdware_info->device_type_array[index] = -1;
-	}
-
-	/**
-	 * 'q_depth' returned by the hardware is one less than
-	 * the actual depth
-	 */
-	dev_ptr->dev_q_depth = z90crypt.q_depth_array[index];
-	dev_ptr->dev_type = z90crypt.dev_type_array[index];
-	dev_ptr->dev_stat = devstat;
-	dev_ptr->disabled = 0;
-	z90crypt.device_p[index] = dev_ptr;
-
-	if (devstat == DEV_ONLINE) {
-		if (z90crypt.mask.st_mask[index] != DEV_ONLINE) {
-			z90crypt.mask.st_mask[index] = DEV_ONLINE;
-			z90crypt.mask.st_count++;
-		}
-		deviceType = dev_ptr->dev_type;
-		type_str_p = &z90crypt.hdware_info->type_mask[deviceType];
-		if (type_str_p->st_mask[index] != DEV_ONLINE) {
-			type_str_p->st_mask[index] = DEV_ONLINE;
-			type_str_p->st_count++;
-		}
-	}
-
-	return 0;
-}
-
-static int
-destroy_crypto_device(int index)
-{
-	struct device *dev_ptr;
-	int t, disabledFlag;
-
-	dev_ptr = z90crypt.device_p[index];
-
-	/* remember device type; get rid of device struct */
-	if (dev_ptr) {
-		disabledFlag = dev_ptr->disabled;
-		t = dev_ptr->dev_type;
-		kfree(dev_ptr->dev_resp_p);
-		kfree(dev_ptr);
-	} else {
-		disabledFlag = 0;
-		t = -1;
-	}
-	z90crypt.device_p[index] = 0;
-
-	/* if the type is valid, remove the device from the type_mask */
-	if ((t != -1) && z90crypt.hdware_info->type_mask[t].st_mask[index]) {
-		  z90crypt.hdware_info->type_mask[t].st_mask[index] = 0x00;
-		  z90crypt.hdware_info->type_mask[t].st_count--;
-		  if (disabledFlag == 1)
-			z90crypt.hdware_info->type_mask[t].disabled_count--;
-	}
-	if (z90crypt.mask.st_mask[index] != DEV_GONE) {
-		z90crypt.mask.st_mask[index] = DEV_GONE;
-		z90crypt.mask.st_count--;
-	}
-	z90crypt.hdware_info->device_type_array[index] = 0;
-
-	return 0;
-}
-
-static void
-destroy_z90crypt(void)
-{
-	int i;
-
-	for (i = 0; i < z90crypt.max_count; i++)
-		if (z90crypt.device_p[i])
-			destroy_crypto_device(i);
-	kfree(z90crypt.hdware_info);
-	memset((void *)&z90crypt, 0, sizeof(z90crypt));
-}
-
-static unsigned char static_testmsg[384] = {
-0x00,0x00,0x00,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x00,0x06,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x58,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x43,0x43,
-0x41,0x2d,0x41,0x50,0x50,0x4c,0x20,0x20,0x20,0x01,0x01,0x01,0x00,0x00,0x00,0x00,
-0x50,0x4b,0x00,0x00,0x00,0x00,0x01,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x05,0xb8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x70,0x00,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x54,0x32,
-0x01,0x00,0xa0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0xb8,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x49,0x43,0x53,0x46,
-0x20,0x20,0x20,0x20,0x50,0x4b,0x0a,0x00,0x50,0x4b,0x43,0x53,0x2d,0x31,0x2e,0x32,
-0x37,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00,0x11,0x22,0x33,0x44,
-0x55,0x66,0x77,0x88,0x99,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00,
-0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00,0x11,0x22,0x33,0x44,0x55,0x66,
-0x77,0x88,0x99,0x00,0x11,0x22,0x33,0x5d,0x00,0x5b,0x00,0x77,0x88,0x1e,0x00,0x00,
-0x57,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x4f,0x00,0x00,0x00,0x03,0x02,0x00,0x00,
-0x40,0x01,0x00,0x01,0xce,0x02,0x68,0x2d,0x5f,0xa9,0xde,0x0c,0xf6,0xd2,0x7b,0x58,
-0x4b,0xf9,0x28,0x68,0x3d,0xb4,0xf4,0xef,0x78,0xd5,0xbe,0x66,0x63,0x42,0xef,0xf8,
-0xfd,0xa4,0xf8,0xb0,0x8e,0x29,0xc2,0xc9,0x2e,0xd8,0x45,0xb8,0x53,0x8c,0x6f,0x4e,
-0x72,0x8f,0x6c,0x04,0x9c,0x88,0xfc,0x1e,0xc5,0x83,0x55,0x57,0xf7,0xdd,0xfd,0x4f,
-0x11,0x36,0x95,0x5d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-};
-
-static int
-probe_device_type(struct device *devPtr)
-{
-	int rv, dv, i, index, length;
-	unsigned char psmid[8];
-	static unsigned char loc_testmsg[sizeof(static_testmsg)];
-
-	index = devPtr->dev_self_x;
-	rv = 0;
-	do {
-		memcpy(loc_testmsg, static_testmsg, sizeof(static_testmsg));
-		length = sizeof(static_testmsg) - 24;
-		/* the -24 allows for the header */
-		dv = send_to_AP(index, z90crypt.cdx, length, loc_testmsg);
-		if (dv) {
-			PDEBUG("dv returned by send during probe: %d\n", dv);
-			if (dv == DEV_SEN_EXCEPTION) {
-				rv = SEN_FATAL_ERROR;
-				PRINTKC("exception in send to AP %d\n", index);
-				break;
-			}
-			PDEBUG("return value from send_to_AP: %d\n", rv);
-			switch (dv) {
-			case DEV_GONE:
-				PDEBUG("dev %d not available\n", index);
-				rv = SEN_NOT_AVAIL;
-				break;
-			case DEV_ONLINE:
-				rv = 0;
-				break;
-			case DEV_EMPTY:
-				rv = SEN_NOT_AVAIL;
-				break;
-			case DEV_NO_WORK:
-				rv = SEN_FATAL_ERROR;
-				break;
-			case DEV_BAD_MESSAGE:
-				rv = SEN_USER_ERROR;
-				break;
-			case DEV_QUEUE_FULL:
-				rv = SEN_QUEUE_FULL;
-				break;
-			default:
-				PRINTK("unknown dv=%d for dev %d\n", dv, index);
-				rv = SEN_NOT_AVAIL;
-				break;
-			}
-		}
-
-		if (rv)
-			break;
-
-		for (i = 0; i < 6; i++) {
-			mdelay(300);
-			dv = receive_from_AP(index, z90crypt.cdx,
-					     devPtr->dev_resp_l,
-					     devPtr->dev_resp_p, psmid);
-			PDEBUG("dv returned by DQ = %d\n", dv);
-			if (dv == DEV_REC_EXCEPTION) {
-				rv = REC_FATAL_ERROR;
-				PRINTKC("exception in dequeue %d\n",
-					index);
-				break;
-			}
-			switch (dv) {
-			case DEV_ONLINE:
-				rv = 0;
-				break;
-			case DEV_EMPTY:
-				rv = REC_EMPTY;
-				break;
-			case DEV_NO_WORK:
-				rv = REC_NO_WORK;
-				break;
-			case DEV_BAD_MESSAGE:
-			case DEV_GONE:
-			default:
-				rv = REC_NO_RESPONSE;
-				break;
-			}
-			if ((rv != 0) && (rv != REC_NO_WORK))
-				break;
-			if (rv == 0)
-				break;
-		}
-		if (rv)
-			break;
-		rv = (devPtr->dev_resp_p[0] == 0x00) &&
-		     (devPtr->dev_resp_p[1] == 0x86);
-		if (rv)
-			devPtr->dev_type = PCICC;
-		else
-			devPtr->dev_type = PCICA;
-		rv = 0;
-	} while (0);
-	/* In a general error case, the card is not marked online */
-	return rv;
-}
-
-static unsigned char MCL3_testmsg[] = {
-0x00,0x00,0x00,0x00,0xEE,0xEE,0xEE,0xEE,0xEE,0xEE,0xEE,0xEE,
-0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x43,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x50,0x4B,0x00,0x00,0x00,0x00,0x01,0xC4,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x24,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xDC,0x02,0x00,0x00,0x00,0x54,0x32,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE8,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x24,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x50,0x4B,0x00,0x0A,0x4D,0x52,0x50,0x20,0x20,0x20,0x20,0x20,
-0x00,0x42,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,
-0x0E,0x0F,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,
-0xEE,0xFF,0xFF,0xEE,0xDD,0xCC,0xBB,0xAA,0x99,0x88,0x77,0x66,0x55,0x44,0x33,0x22,
-0x11,0x00,0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF,0xFE,0xDC,0xBA,0x98,0x76,0x54,
-0x32,0x10,0x00,0x9A,0x00,0x98,0x00,0x00,0x1E,0x00,0x00,0x94,0x00,0x00,0x00,0x00,
-0x04,0x00,0x00,0x8C,0x00,0x00,0x00,0x40,0x02,0x00,0x00,0x40,0xBA,0xE8,0x23,0x3C,
-0x75,0xF3,0x91,0x61,0xD6,0x73,0x39,0xCF,0x7B,0x6D,0x8E,0x61,0x97,0x63,0x9E,0xD9,
-0x60,0x55,0xD6,0xC7,0xEF,0xF8,0x1E,0x63,0x95,0x17,0xCC,0x28,0x45,0x60,0x11,0xC5,
-0xC4,0x4E,0x66,0xC6,0xE6,0xC3,0xDE,0x8A,0x19,0x30,0xCF,0x0E,0xD7,0xAA,0xDB,0x01,
-0xD8,0x00,0xBB,0x8F,0x39,0x9F,0x64,0x28,0xF5,0x7A,0x77,0x49,0xCC,0x6B,0xA3,0x91,
-0x97,0x70,0xE7,0x60,0x1E,0x39,0xE1,0xE5,0x33,0xE1,0x15,0x63,0x69,0x08,0x80,0x4C,
-0x67,0xC4,0x41,0x8F,0x48,0xDF,0x26,0x98,0xF1,0xD5,0x8D,0x88,0xD9,0x6A,0xA4,0x96,
-0xC5,0x84,0xD9,0x30,0x49,0x67,0x7D,0x19,0xB1,0xB3,0x45,0x4D,0xB2,0x53,0x9A,0x47,
-0x3C,0x7C,0x55,0xBF,0xCC,0x85,0x00,0x36,0xF1,0x3D,0x93,0x53
-};
-
-static int
-probe_PCIXCC_type(struct device *devPtr)
-{
-	int rv, dv, i, index, length;
-	unsigned char psmid[8];
-	static unsigned char loc_testmsg[548];
-	struct CPRBX *cprbx_p;
-
-	index = devPtr->dev_self_x;
-	rv = 0;
-	do {
-		memcpy(loc_testmsg, MCL3_testmsg, sizeof(MCL3_testmsg));
-		length = sizeof(MCL3_testmsg) - 0x0C;
-		dv = send_to_AP(index, z90crypt.cdx, length, loc_testmsg);
-		if (dv) {
-			PDEBUG("dv returned = %d\n", dv);
-			if (dv == DEV_SEN_EXCEPTION) {
-				rv = SEN_FATAL_ERROR;
-				PRINTKC("exception in send to AP %d\n", index);
-				break;
-			}
-			PDEBUG("return value from send_to_AP: %d\n", rv);
-			switch (dv) {
-			case DEV_GONE:
-				PDEBUG("dev %d not available\n", index);
-				rv = SEN_NOT_AVAIL;
-				break;
-			case DEV_ONLINE:
-				rv = 0;
-				break;
-			case DEV_EMPTY:
-				rv = SEN_NOT_AVAIL;
-				break;
-			case DEV_NO_WORK:
-				rv = SEN_FATAL_ERROR;
-				break;
-			case DEV_BAD_MESSAGE:
-				rv = SEN_USER_ERROR;
-				break;
-			case DEV_QUEUE_FULL:
-				rv = SEN_QUEUE_FULL;
-				break;
-			default:
-				PRINTK("unknown dv=%d for dev %d\n", dv, index);
-				rv = SEN_NOT_AVAIL;
-				break;
-			}
-		}
-
-		if (rv)
-			break;
-
-		for (i = 0; i < 6; i++) {
-			mdelay(300);
-			dv = receive_from_AP(index, z90crypt.cdx,
-					     devPtr->dev_resp_l,
-					     devPtr->dev_resp_p, psmid);
-			PDEBUG("dv returned by DQ = %d\n", dv);
-			if (dv == DEV_REC_EXCEPTION) {
-				rv = REC_FATAL_ERROR;
-				PRINTKC("exception in dequeue %d\n",
-					index);
-				break;
-			}
-			switch (dv) {
-			case DEV_ONLINE:
-				rv = 0;
-				break;
-			case DEV_EMPTY:
-				rv = REC_EMPTY;
-				break;
-			case DEV_NO_WORK:
-				rv = REC_NO_WORK;
-				break;
-			case DEV_BAD_MESSAGE:
-			case DEV_GONE:
-			default:
-				rv = REC_NO_RESPONSE;
-				break;
-			}
-			if ((rv != 0) && (rv != REC_NO_WORK))
-				break;
-			if (rv == 0)
-				break;
-		}
-		if (rv)
-			break;
-		cprbx_p = (struct CPRBX *) (devPtr->dev_resp_p + 48);
-		if ((cprbx_p->ccp_rtcode == 8) && (cprbx_p->ccp_rscode == 33)) {
-			devPtr->dev_type = PCIXCC_MCL2;
-			PDEBUG("device %d is MCL2\n", index);
-		} else {
-			devPtr->dev_type = PCIXCC_MCL3;
-			PDEBUG("device %d is MCL3\n", index);
-		}
-	} while (0);
-	/* In a general error case, the card is not marked online */
-	return rv;
-}
-
-module_init(z90crypt_init_module);
-module_exit(z90crypt_cleanup_module);
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
new file mode 100644
index 00000000000..1edc10a7a6f
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -0,0 +1,1091 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_api.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *	       Cornelia Huck <cornelia.huck@de.ibm.com>
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/compat.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "zcrypt_api.h"
+
+/**
+ * Module description.
+ */
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("Cryptographic Coprocessor interface, "
+		   "Copyright 2001, 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+
+static DEFINE_SPINLOCK(zcrypt_device_lock);
+static LIST_HEAD(zcrypt_device_list);
+static int zcrypt_device_count = 0;
+static atomic_t zcrypt_open_count = ATOMIC_INIT(0);
+
+/**
+ * Device attributes common for all crypto devices.
+ */
+static ssize_t zcrypt_type_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct zcrypt_device *zdev = to_ap_dev(dev)->private;
+	return snprintf(buf, PAGE_SIZE, "%s\n", zdev->type_string);
+}
+
+static DEVICE_ATTR(type, 0444, zcrypt_type_show, NULL);
+
+static ssize_t zcrypt_online_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct zcrypt_device *zdev = to_ap_dev(dev)->private;
+	return snprintf(buf, PAGE_SIZE, "%d\n", zdev->online);
+}
+
+static ssize_t zcrypt_online_store(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t count)
+{
+	struct zcrypt_device *zdev = to_ap_dev(dev)->private;
+	int online;
+
+	if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1)
+		return -EINVAL;
+	zdev->online = online;
+	if (!online)
+		ap_flush_queue(zdev->ap_dev);
+	return count;
+}
+
+static DEVICE_ATTR(online, 0644, zcrypt_online_show, zcrypt_online_store);
+
+static struct attribute * zcrypt_device_attrs[] = {
+	&dev_attr_type.attr,
+	&dev_attr_online.attr,
+	NULL,
+};
+
+static struct attribute_group zcrypt_device_attr_group = {
+	.attrs = zcrypt_device_attrs,
+};
+
+/**
+ * Move the device towards the head of the device list.
+ * Need to be called while holding the zcrypt device list lock.
+ * Note: cards with speed_rating of 0 are kept at the end of the list.
+ */
+static void __zcrypt_increase_preference(struct zcrypt_device *zdev)
+{
+	struct zcrypt_device *tmp;
+	struct list_head *l;
+
+	if (zdev->speed_rating == 0)
+		return;
+	for (l = zdev->list.prev; l != &zcrypt_device_list; l = l->prev) {
+		tmp = list_entry(l, struct zcrypt_device, list);
+		if ((tmp->request_count + 1) * tmp->speed_rating <=
+		    (zdev->request_count + 1) * zdev->speed_rating &&
+		    tmp->speed_rating != 0)
+			break;
+	}
+	if (l == zdev->list.prev)
+		return;
+	/* Move zdev behind l */
+	list_del(&zdev->list);
+	list_add(&zdev->list, l);
+}
+
+/**
+ * Move the device towards the tail of the device list.
+ * Need to be called while holding the zcrypt device list lock.
+ * Note: cards with speed_rating of 0 are kept at the end of the list.
+ */
+static void __zcrypt_decrease_preference(struct zcrypt_device *zdev)
+{
+	struct zcrypt_device *tmp;
+	struct list_head *l;
+
+	if (zdev->speed_rating == 0)
+		return;
+	for (l = zdev->list.next; l != &zcrypt_device_list; l = l->next) {
+		tmp = list_entry(l, struct zcrypt_device, list);
+		if ((tmp->request_count + 1) * tmp->speed_rating >
+		    (zdev->request_count + 1) * zdev->speed_rating ||
+		    tmp->speed_rating == 0)
+			break;
+	}
+	if (l == zdev->list.next)
+		return;
+	/* Move zdev before l */
+	list_del(&zdev->list);
+	list_add_tail(&zdev->list, l);
+}
+
+static void zcrypt_device_release(struct kref *kref)
+{
+	struct zcrypt_device *zdev =
+		container_of(kref, struct zcrypt_device, refcount);
+	zcrypt_device_free(zdev);
+}
+
+void zcrypt_device_get(struct zcrypt_device *zdev)
+{
+	kref_get(&zdev->refcount);
+}
+EXPORT_SYMBOL(zcrypt_device_get);
+
+int zcrypt_device_put(struct zcrypt_device *zdev)
+{
+	return kref_put(&zdev->refcount, zcrypt_device_release);
+}
+EXPORT_SYMBOL(zcrypt_device_put);
+
+struct zcrypt_device *zcrypt_device_alloc(size_t max_response_size)
+{
+	struct zcrypt_device *zdev;
+
+	zdev = kzalloc(sizeof(struct zcrypt_device), GFP_KERNEL);
+	if (!zdev)
+		return NULL;
+	zdev->reply.message = kmalloc(max_response_size, GFP_KERNEL);
+	if (!zdev->reply.message)
+		goto out_free;
+	zdev->reply.length = max_response_size;
+	spin_lock_init(&zdev->lock);
+	INIT_LIST_HEAD(&zdev->list);
+	return zdev;
+
+out_free:
+	kfree(zdev);
+	return NULL;
+}
+EXPORT_SYMBOL(zcrypt_device_alloc);
+
+void zcrypt_device_free(struct zcrypt_device *zdev)
+{
+	kfree(zdev->reply.message);
+	kfree(zdev);
+}
+EXPORT_SYMBOL(zcrypt_device_free);
+
+/**
+ * Register a crypto device.
+ */
+int zcrypt_device_register(struct zcrypt_device *zdev)
+{
+	int rc;
+
+	rc = sysfs_create_group(&zdev->ap_dev->device.kobj,
+				&zcrypt_device_attr_group);
+	if (rc)
+		goto out;
+	get_device(&zdev->ap_dev->device);
+	kref_init(&zdev->refcount);
+	spin_lock_bh(&zcrypt_device_lock);
+	zdev->online = 1;	/* New devices are online by default. */
+	list_add_tail(&zdev->list, &zcrypt_device_list);
+	__zcrypt_increase_preference(zdev);
+	zcrypt_device_count++;
+	spin_unlock_bh(&zcrypt_device_lock);
+out:
+	return rc;
+}
+EXPORT_SYMBOL(zcrypt_device_register);
+
+/**
+ * Unregister a crypto device.
+ */
+void zcrypt_device_unregister(struct zcrypt_device *zdev)
+{
+	spin_lock_bh(&zcrypt_device_lock);
+	zcrypt_device_count--;
+	list_del_init(&zdev->list);
+	spin_unlock_bh(&zcrypt_device_lock);
+	sysfs_remove_group(&zdev->ap_dev->device.kobj,
+			   &zcrypt_device_attr_group);
+	put_device(&zdev->ap_dev->device);
+	zcrypt_device_put(zdev);
+}
+EXPORT_SYMBOL(zcrypt_device_unregister);
+
+/**
+ * zcrypt_read is not be supported beyond zcrypt 1.3.1
+ */
+static ssize_t zcrypt_read(struct file *filp, char __user *buf,
+			   size_t count, loff_t *f_pos)
+{
+	return -EPERM;
+}
+
+/**
+ * Write is is not allowed
+ */
+static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
+			    size_t count, loff_t *f_pos)
+{
+	return -EPERM;
+}
+
+/**
+ * Device open/close functions to count number of users.
+ */
+static int zcrypt_open(struct inode *inode, struct file *filp)
+{
+	atomic_inc(&zcrypt_open_count);
+	return 0;
+}
+
+static int zcrypt_release(struct inode *inode, struct file *filp)
+{
+	atomic_dec(&zcrypt_open_count);
+	return 0;
+}
+
+/**
+ * zcrypt ioctls.
+ */
+static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	if (mex->outputdatalength < mex->inputdatalength)
+		return -EINVAL;
+	/**
+	 * As long as outputdatalength is big enough, we can set the
+	 * outputdatalength equal to the inputdatalength, since that is the
+	 * number of bytes we will copy in any case
+	 */
+	mex->outputdatalength = mex->inputdatalength;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		if (!zdev->online ||
+		    !zdev->ops->rsa_modexpo ||
+		    zdev->min_mod_size > mex->inputdatalength ||
+		    zdev->max_mod_size < mex->inputdatalength)
+			continue;
+		zcrypt_device_get(zdev);
+		get_device(&zdev->ap_dev->device);
+		zdev->request_count++;
+		__zcrypt_decrease_preference(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+			rc = zdev->ops->rsa_modexpo(zdev, mex);
+			module_put(zdev->ap_dev->drv->driver.owner);
+		}
+		else
+			rc = -EAGAIN;
+		spin_lock_bh(&zcrypt_device_lock);
+		zdev->request_count--;
+		__zcrypt_increase_preference(zdev);
+		put_device(&zdev->ap_dev->device);
+		zcrypt_device_put(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		return rc;
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return -ENODEV;
+}
+
+static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
+{
+	struct zcrypt_device *zdev;
+	unsigned long long z1, z2, z3;
+	int rc, copied;
+
+	if (crt->outputdatalength < crt->inputdatalength ||
+	    (crt->inputdatalength & 1))
+		return -EINVAL;
+	/**
+	 * As long as outputdatalength is big enough, we can set the
+	 * outputdatalength equal to the inputdatalength, since that is the
+	 * number of bytes we will copy in any case
+	 */
+	crt->outputdatalength = crt->inputdatalength;
+
+	copied = 0;
+ restart:
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		if (!zdev->online ||
+		    !zdev->ops->rsa_modexpo_crt ||
+		    zdev->min_mod_size > crt->inputdatalength ||
+		    zdev->max_mod_size < crt->inputdatalength)
+			continue;
+		if (zdev->short_crt && crt->inputdatalength > 240) {
+			/**
+			 * Check inputdata for leading zeros for cards
+			 * that can't handle np_prime, bp_key, or
+			 * u_mult_inv > 128 bytes.
+			 */
+			if (copied == 0) {
+				int len;
+				spin_unlock_bh(&zcrypt_device_lock);
+				/* len is max 256 / 2 - 120 = 8 */
+				len = crt->inputdatalength / 2 - 120;
+				z1 = z2 = z3 = 0;
+				if (copy_from_user(&z1, crt->np_prime, len) ||
+				    copy_from_user(&z2, crt->bp_key, len) ||
+				    copy_from_user(&z3, crt->u_mult_inv, len))
+					return -EFAULT;
+				copied = 1;
+				/**
+				 * We have to restart device lookup -
+				 * the device list may have changed by now.
+				 */
+				goto restart;
+			}
+			if (z1 != 0ULL || z2 != 0ULL || z3 != 0ULL)
+				/* The device can't handle this request. */
+				continue;
+		}
+		zcrypt_device_get(zdev);
+		get_device(&zdev->ap_dev->device);
+		zdev->request_count++;
+		__zcrypt_decrease_preference(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+			rc = zdev->ops->rsa_modexpo_crt(zdev, crt);
+			module_put(zdev->ap_dev->drv->driver.owner);
+		}
+		else
+			rc = -EAGAIN;
+		spin_lock_bh(&zcrypt_device_lock);
+		zdev->request_count--;
+		__zcrypt_increase_preference(zdev);
+		put_device(&zdev->ap_dev->device);
+		zcrypt_device_put(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		return rc;
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return -ENODEV;
+}
+
+static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		if (!zdev->online || !zdev->ops->send_cprb ||
+		    (xcRB->user_defined != AUTOSELECT &&
+			AP_QID_DEVICE(zdev->ap_dev->qid) != xcRB->user_defined)
+		    )
+			continue;
+		zcrypt_device_get(zdev);
+		get_device(&zdev->ap_dev->device);
+		zdev->request_count++;
+		__zcrypt_decrease_preference(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+			rc = zdev->ops->send_cprb(zdev, xcRB);
+			module_put(zdev->ap_dev->drv->driver.owner);
+		}
+		else
+			rc = -EAGAIN;
+		spin_lock_bh(&zcrypt_device_lock);
+		zdev->request_count--;
+		__zcrypt_increase_preference(zdev);
+		put_device(&zdev->ap_dev->device);
+		zcrypt_device_put(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		return rc;
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return -ENODEV;
+}
+
+static void zcrypt_status_mask(char status[AP_DEVICES])
+{
+	struct zcrypt_device *zdev;
+
+	memset(status, 0, sizeof(char) * AP_DEVICES);
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list)
+		status[AP_QID_DEVICE(zdev->ap_dev->qid)] =
+			zdev->online ? zdev->user_space_type : 0x0d;
+	spin_unlock_bh(&zcrypt_device_lock);
+}
+
+static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES])
+{
+	struct zcrypt_device *zdev;
+
+	memset(qdepth, 0, sizeof(char)	* AP_DEVICES);
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		spin_lock(&zdev->ap_dev->lock);
+		qdepth[AP_QID_DEVICE(zdev->ap_dev->qid)] =
+			zdev->ap_dev->pendingq_count +
+			zdev->ap_dev->requestq_count;
+		spin_unlock(&zdev->ap_dev->lock);
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+}
+
+static void zcrypt_perdev_reqcnt(int reqcnt[AP_DEVICES])
+{
+	struct zcrypt_device *zdev;
+
+	memset(reqcnt, 0, sizeof(int) * AP_DEVICES);
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		spin_lock(&zdev->ap_dev->lock);
+		reqcnt[AP_QID_DEVICE(zdev->ap_dev->qid)] =
+			zdev->ap_dev->total_request_count;
+		spin_unlock(&zdev->ap_dev->lock);
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+}
+
+static int zcrypt_pendingq_count(void)
+{
+	struct zcrypt_device *zdev;
+	int pendingq_count = 0;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		spin_lock(&zdev->ap_dev->lock);
+		pendingq_count += zdev->ap_dev->pendingq_count;
+		spin_unlock(&zdev->ap_dev->lock);
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return pendingq_count;
+}
+
+static int zcrypt_requestq_count(void)
+{
+	struct zcrypt_device *zdev;
+	int requestq_count = 0;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		spin_lock(&zdev->ap_dev->lock);
+		requestq_count += zdev->ap_dev->requestq_count;
+		spin_unlock(&zdev->ap_dev->lock);
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return requestq_count;
+}
+
+static int zcrypt_count_type(int type)
+{
+	struct zcrypt_device *zdev;
+	int device_count = 0;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list)
+		if (zdev->user_space_type == type)
+			device_count++;
+	spin_unlock_bh(&zcrypt_device_lock);
+	return device_count;
+}
+
+/**
+ * Old, deprecated combi status call.
+ */
+static long zcrypt_ica_status(struct file *filp, unsigned long arg)
+{
+	struct ica_z90_status *pstat;
+	int ret;
+
+	pstat = kzalloc(sizeof(*pstat), GFP_KERNEL);
+	if (!pstat)
+		return -ENOMEM;
+	pstat->totalcount = zcrypt_device_count;
+	pstat->leedslitecount = zcrypt_count_type(ZCRYPT_PCICA);
+	pstat->leeds2count = zcrypt_count_type(ZCRYPT_PCICC);
+	pstat->requestqWaitCount = zcrypt_requestq_count();
+	pstat->pendingqWaitCount = zcrypt_pendingq_count();
+	pstat->totalOpenCount = atomic_read(&zcrypt_open_count);
+	pstat->cryptoDomain = ap_domain_index;
+	zcrypt_status_mask(pstat->status);
+	zcrypt_qdepth_mask(pstat->qdepth);
+	ret = 0;
+	if (copy_to_user((void __user *) arg, pstat, sizeof(*pstat)))
+		ret = -EFAULT;
+	kfree(pstat);
+	return ret;
+}
+
+static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
+				  unsigned long arg)
+{
+	int rc;
+
+	switch (cmd) {
+	case ICARSAMODEXPO: {
+		struct ica_rsa_modexpo __user *umex = (void __user *) arg;
+		struct ica_rsa_modexpo mex;
+		if (copy_from_user(&mex, umex, sizeof(mex)))
+			return -EFAULT;
+		do {
+			rc = zcrypt_rsa_modexpo(&mex);
+		} while (rc == -EAGAIN);
+		if (rc)
+			return rc;
+		return put_user(mex.outputdatalength, &umex->outputdatalength);
+	}
+	case ICARSACRT: {
+		struct ica_rsa_modexpo_crt __user *ucrt = (void __user *) arg;
+		struct ica_rsa_modexpo_crt crt;
+		if (copy_from_user(&crt, ucrt, sizeof(crt)))
+			return -EFAULT;
+		do {
+			rc = zcrypt_rsa_crt(&crt);
+		} while (rc == -EAGAIN);
+		if (rc)
+			return rc;
+		return put_user(crt.outputdatalength, &ucrt->outputdatalength);
+	}
+	case ZSECSENDCPRB: {
+		struct ica_xcRB __user *uxcRB = (void __user *) arg;
+		struct ica_xcRB xcRB;
+		if (copy_from_user(&xcRB, uxcRB, sizeof(xcRB)))
+			return -EFAULT;
+		do {
+			rc = zcrypt_send_cprb(&xcRB);
+		} while (rc == -EAGAIN);
+		if (copy_to_user(uxcRB, &xcRB, sizeof(xcRB)))
+			return -EFAULT;
+		return rc;
+	}
+	case Z90STAT_STATUS_MASK: {
+		char status[AP_DEVICES];
+		zcrypt_status_mask(status);
+		if (copy_to_user((char __user *) arg, status,
+				 sizeof(char) * AP_DEVICES))
+			return -EFAULT;
+		return 0;
+	}
+	case Z90STAT_QDEPTH_MASK: {
+		char qdepth[AP_DEVICES];
+		zcrypt_qdepth_mask(qdepth);
+		if (copy_to_user((char __user *) arg, qdepth,
+				 sizeof(char) * AP_DEVICES))
+			return -EFAULT;
+		return 0;
+	}
+	case Z90STAT_PERDEV_REQCNT: {
+		int reqcnt[AP_DEVICES];
+		zcrypt_perdev_reqcnt(reqcnt);
+		if (copy_to_user((int __user *) arg, reqcnt,
+				 sizeof(int) * AP_DEVICES))
+			return -EFAULT;
+		return 0;
+	}
+	case Z90STAT_REQUESTQ_COUNT:
+		return put_user(zcrypt_requestq_count(), (int __user *) arg);
+	case Z90STAT_PENDINGQ_COUNT:
+		return put_user(zcrypt_pendingq_count(), (int __user *) arg);
+	case Z90STAT_TOTALOPEN_COUNT:
+		return put_user(atomic_read(&zcrypt_open_count),
+				(int __user *) arg);
+	case Z90STAT_DOMAIN_INDEX:
+		return put_user(ap_domain_index, (int __user *) arg);
+	/**
+	 * Deprecated ioctls. Don't add another device count ioctl,
+	 * you can count them yourself in the user space with the
+	 * output of the Z90STAT_STATUS_MASK ioctl.
+	 */
+	case ICAZ90STATUS:
+		return zcrypt_ica_status(filp, arg);
+	case Z90STAT_TOTALCOUNT:
+		return put_user(zcrypt_device_count, (int __user *) arg);
+	case Z90STAT_PCICACOUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_PCICA),
+				(int __user *) arg);
+	case Z90STAT_PCICCCOUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_PCICC),
+				(int __user *) arg);
+	case Z90STAT_PCIXCCMCL2COUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2),
+				(int __user *) arg);
+	case Z90STAT_PCIXCCMCL3COUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL3),
+				(int __user *) arg);
+	case Z90STAT_PCIXCCCOUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2) +
+				zcrypt_count_type(ZCRYPT_PCIXCC_MCL3),
+				(int __user *) arg);
+	case Z90STAT_CEX2CCOUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_CEX2C),
+				(int __user *) arg);
+	case Z90STAT_CEX2ACOUNT:
+		return put_user(zcrypt_count_type(ZCRYPT_CEX2A),
+				(int __user *) arg);
+	default:
+		/* unknown ioctl number */
+		return -ENOIOCTLCMD;
+	}
+}
+
+#ifdef CONFIG_COMPAT
+/**
+ * ioctl32 conversion routines
+ */
+struct compat_ica_rsa_modexpo {
+	compat_uptr_t	inputdata;
+	unsigned int	inputdatalength;
+	compat_uptr_t	outputdata;
+	unsigned int	outputdatalength;
+	compat_uptr_t	b_key;
+	compat_uptr_t	n_modulus;
+};
+
+static long trans_modexpo32(struct file *filp, unsigned int cmd,
+			    unsigned long arg)
+{
+	struct compat_ica_rsa_modexpo __user *umex32 = compat_ptr(arg);
+	struct compat_ica_rsa_modexpo mex32;
+	struct ica_rsa_modexpo mex64;
+	long rc;
+
+	if (copy_from_user(&mex32, umex32, sizeof(mex32)))
+		return -EFAULT;
+	mex64.inputdata = compat_ptr(mex32.inputdata);
+	mex64.inputdatalength = mex32.inputdatalength;
+	mex64.outputdata = compat_ptr(mex32.outputdata);
+	mex64.outputdatalength = mex32.outputdatalength;
+	mex64.b_key = compat_ptr(mex32.b_key);
+	mex64.n_modulus = compat_ptr(mex32.n_modulus);
+	do {
+		rc = zcrypt_rsa_modexpo(&mex64);
+	} while (rc == -EAGAIN);
+	if (!rc)
+		rc = put_user(mex64.outputdatalength,
+			      &umex32->outputdatalength);
+	return rc;
+}
+
+struct compat_ica_rsa_modexpo_crt {
+	compat_uptr_t	inputdata;
+	unsigned int	inputdatalength;
+	compat_uptr_t	outputdata;
+	unsigned int	outputdatalength;
+	compat_uptr_t	bp_key;
+	compat_uptr_t	bq_key;
+	compat_uptr_t	np_prime;
+	compat_uptr_t	nq_prime;
+	compat_uptr_t	u_mult_inv;
+};
+
+static long trans_modexpo_crt32(struct file *filp, unsigned int cmd,
+				unsigned long arg)
+{
+	struct compat_ica_rsa_modexpo_crt __user *ucrt32 = compat_ptr(arg);
+	struct compat_ica_rsa_modexpo_crt crt32;
+	struct ica_rsa_modexpo_crt crt64;
+	long rc;
+
+	if (copy_from_user(&crt32, ucrt32, sizeof(crt32)))
+		return -EFAULT;
+	crt64.inputdata = compat_ptr(crt32.inputdata);
+	crt64.inputdatalength = crt32.inputdatalength;
+	crt64.outputdata=  compat_ptr(crt32.outputdata);
+	crt64.outputdatalength = crt32.outputdatalength;
+	crt64.bp_key = compat_ptr(crt32.bp_key);
+	crt64.bq_key = compat_ptr(crt32.bq_key);
+	crt64.np_prime = compat_ptr(crt32.np_prime);
+	crt64.nq_prime = compat_ptr(crt32.nq_prime);
+	crt64.u_mult_inv = compat_ptr(crt32.u_mult_inv);
+	do {
+		rc = zcrypt_rsa_crt(&crt64);
+	} while (rc == -EAGAIN);
+	if (!rc)
+		rc = put_user(crt64.outputdatalength,
+			      &ucrt32->outputdatalength);
+	return rc;
+}
+
+struct compat_ica_xcRB {
+	unsigned short	agent_ID;
+	unsigned int	user_defined;
+	unsigned short	request_ID;
+	unsigned int	request_control_blk_length;
+	unsigned char	padding1[16 - sizeof (compat_uptr_t)];
+	compat_uptr_t	request_control_blk_addr;
+	unsigned int	request_data_length;
+	char		padding2[16 - sizeof (compat_uptr_t)];
+	compat_uptr_t	request_data_address;
+	unsigned int	reply_control_blk_length;
+	char		padding3[16 - sizeof (compat_uptr_t)];
+	compat_uptr_t	reply_control_blk_addr;
+	unsigned int	reply_data_length;
+	char		padding4[16 - sizeof (compat_uptr_t)];
+	compat_uptr_t	reply_data_addr;
+	unsigned short	priority_window;
+	unsigned int	status;
+} __attribute__((packed));
+
+static long trans_xcRB32(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	struct compat_ica_xcRB __user *uxcRB32 = compat_ptr(arg);
+	struct compat_ica_xcRB xcRB32;
+	struct ica_xcRB xcRB64;
+	long rc;
+
+	if (copy_from_user(&xcRB32, uxcRB32, sizeof(xcRB32)))
+		return -EFAULT;
+	xcRB64.agent_ID = xcRB32.agent_ID;
+	xcRB64.user_defined = xcRB32.user_defined;
+	xcRB64.request_ID = xcRB32.request_ID;
+	xcRB64.request_control_blk_length =
+		xcRB32.request_control_blk_length;
+	xcRB64.request_control_blk_addr =
+		compat_ptr(xcRB32.request_control_blk_addr);
+	xcRB64.request_data_length =
+		xcRB32.request_data_length;
+	xcRB64.request_data_address =
+		compat_ptr(xcRB32.request_data_address);
+	xcRB64.reply_control_blk_length =
+		xcRB32.reply_control_blk_length;
+	xcRB64.reply_control_blk_addr =
+		compat_ptr(xcRB32.reply_control_blk_addr);
+	xcRB64.reply_data_length = xcRB32.reply_data_length;
+	xcRB64.reply_data_addr =
+		compat_ptr(xcRB32.reply_data_addr);
+	xcRB64.priority_window = xcRB32.priority_window;
+	xcRB64.status = xcRB32.status;
+	do {
+		rc = zcrypt_send_cprb(&xcRB64);
+	} while (rc == -EAGAIN);
+	xcRB32.reply_control_blk_length = xcRB64.reply_control_blk_length;
+	xcRB32.reply_data_length = xcRB64.reply_data_length;
+	xcRB32.status = xcRB64.status;
+	if (copy_to_user(uxcRB32, &xcRB32, sizeof(xcRB32)))
+			return -EFAULT;
+	return rc;
+}
+
+long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	if (cmd == ICARSAMODEXPO)
+		return trans_modexpo32(filp, cmd, arg);
+	if (cmd == ICARSACRT)
+		return trans_modexpo_crt32(filp, cmd, arg);
+	if (cmd == ZSECSENDCPRB)
+		return trans_xcRB32(filp, cmd, arg);
+	return zcrypt_unlocked_ioctl(filp, cmd, arg);
+}
+#endif
+
+/**
+ * Misc device file operations.
+ */
+static struct file_operations zcrypt_fops = {
+	.owner		= THIS_MODULE,
+	.read		= zcrypt_read,
+	.write		= zcrypt_write,
+	.unlocked_ioctl	= zcrypt_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= zcrypt_compat_ioctl,
+#endif
+	.open		= zcrypt_open,
+	.release	= zcrypt_release
+};
+
+/**
+ * Misc device.
+ */
+static struct miscdevice zcrypt_misc_device = {
+	.minor	    = MISC_DYNAMIC_MINOR,
+	.name	    = "z90crypt",
+	.fops	    = &zcrypt_fops,
+};
+
+/**
+ * Deprecated /proc entry support.
+ */
+static struct proc_dir_entry *zcrypt_entry;
+
+static inline int sprintcl(unsigned char *outaddr, unsigned char *addr,
+			   unsigned int len)
+{
+	int hl, i;
+
+	hl = 0;
+	for (i = 0; i < len; i++)
+		hl += sprintf(outaddr+hl, "%01x", (unsigned int) addr[i]);
+	hl += sprintf(outaddr+hl, " ");
+	return hl;
+}
+
+static inline int sprintrw(unsigned char *outaddr, unsigned char *addr,
+			   unsigned int len)
+{
+	int hl, inl, c, cx;
+
+	hl = sprintf(outaddr, "	   ");
+	inl = 0;
+	for (c = 0; c < (len / 16); c++) {
+		hl += sprintcl(outaddr+hl, addr+inl, 16);
+		inl += 16;
+	}
+	cx = len%16;
+	if (cx) {
+		hl += sprintcl(outaddr+hl, addr+inl, cx);
+		inl += cx;
+	}
+	hl += sprintf(outaddr+hl, "\n");
+	return hl;
+}
+
+static inline int sprinthx(unsigned char *title, unsigned char *outaddr,
+			   unsigned char *addr, unsigned int len)
+{
+	int hl, inl, r, rx;
+
+	hl = sprintf(outaddr, "\n%s\n", title);
+	inl = 0;
+	for (r = 0; r < (len / 64); r++) {
+		hl += sprintrw(outaddr+hl, addr+inl, 64);
+		inl += 64;
+	}
+	rx = len % 64;
+	if (rx) {
+		hl += sprintrw(outaddr+hl, addr+inl, rx);
+		inl += rx;
+	}
+	hl += sprintf(outaddr+hl, "\n");
+	return hl;
+}
+
+static inline int sprinthx4(unsigned char *title, unsigned char *outaddr,
+			    unsigned int *array, unsigned int len)
+{
+	int hl, r;
+
+	hl = sprintf(outaddr, "\n%s\n", title);
+	for (r = 0; r < len; r++) {
+		if ((r % 8) == 0)
+			hl += sprintf(outaddr+hl, "    ");
+		hl += sprintf(outaddr+hl, "%08X ", array[r]);
+		if ((r % 8) == 7)
+			hl += sprintf(outaddr+hl, "\n");
+	}
+	hl += sprintf(outaddr+hl, "\n");
+	return hl;
+}
+
+static int zcrypt_status_read(char *resp_buff, char **start, off_t offset,
+			      int count, int *eof, void *data)
+{
+	unsigned char *workarea;
+	int len;
+
+	len = 0;
+
+	/* resp_buff is a page. Use the right half for a work area */
+	workarea = resp_buff + 2000;
+	len += sprintf(resp_buff + len, "\nzcrypt version: %d.%d.%d\n",
+		ZCRYPT_VERSION, ZCRYPT_RELEASE, ZCRYPT_VARIANT);
+	len += sprintf(resp_buff + len, "Cryptographic domain: %d\n",
+		       ap_domain_index);
+	len += sprintf(resp_buff + len, "Total device count: %d\n",
+		       zcrypt_device_count);
+	len += sprintf(resp_buff + len, "PCICA count: %d\n",
+		       zcrypt_count_type(ZCRYPT_PCICA));
+	len += sprintf(resp_buff + len, "PCICC count: %d\n",
+		       zcrypt_count_type(ZCRYPT_PCICC));
+	len += sprintf(resp_buff + len, "PCIXCC MCL2 count: %d\n",
+		       zcrypt_count_type(ZCRYPT_PCIXCC_MCL2));
+	len += sprintf(resp_buff + len, "PCIXCC MCL3 count: %d\n",
+		       zcrypt_count_type(ZCRYPT_PCIXCC_MCL3));
+	len += sprintf(resp_buff + len, "CEX2C count: %d\n",
+		       zcrypt_count_type(ZCRYPT_CEX2C));
+	len += sprintf(resp_buff + len, "CEX2A count: %d\n",
+		       zcrypt_count_type(ZCRYPT_CEX2A));
+	len += sprintf(resp_buff + len, "requestq count: %d\n",
+		       zcrypt_requestq_count());
+	len += sprintf(resp_buff + len, "pendingq count: %d\n",
+		       zcrypt_pendingq_count());
+	len += sprintf(resp_buff + len, "Total open handles: %d\n\n",
+		       atomic_read(&zcrypt_open_count));
+	zcrypt_status_mask(workarea);
+	len += sprinthx("Online devices: 1=PCICA 2=PCICC 3=PCIXCC(MCL2) "
+			"4=PCIXCC(MCL3) 5=CEX2C 6=CEX2A",
+			resp_buff+len, workarea, AP_DEVICES);
+	zcrypt_qdepth_mask(workarea);
+	len += sprinthx("Waiting work element counts",
+			resp_buff+len, workarea, AP_DEVICES);
+	zcrypt_perdev_reqcnt((unsigned int *) workarea);
+	len += sprinthx4("Per-device successfully completed request counts",
+			 resp_buff+len,(unsigned int *) workarea, AP_DEVICES);
+	*eof = 1;
+	memset((void *) workarea, 0x00, AP_DEVICES * sizeof(unsigned int));
+	return len;
+}
+
+static void zcrypt_disable_card(int index)
+{
+	struct zcrypt_device *zdev;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list)
+		if (AP_QID_DEVICE(zdev->ap_dev->qid) == index) {
+			zdev->online = 0;
+			ap_flush_queue(zdev->ap_dev);
+			break;
+		}
+	spin_unlock_bh(&zcrypt_device_lock);
+}
+
+static void zcrypt_enable_card(int index)
+{
+	struct zcrypt_device *zdev;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list)
+		if (AP_QID_DEVICE(zdev->ap_dev->qid) == index) {
+			zdev->online = 1;
+			break;
+		}
+	spin_unlock_bh(&zcrypt_device_lock);
+}
+
+static int zcrypt_status_write(struct file *file, const char __user *buffer,
+			       unsigned long count, void *data)
+{
+	unsigned char *lbuf, *ptr;
+	unsigned long local_count;
+	int j;
+
+	if (count <= 0)
+		return 0;
+
+#define LBUFSIZE 1200UL
+	lbuf = kmalloc(LBUFSIZE, GFP_KERNEL);
+	if (!lbuf) {
+		PRINTK("kmalloc failed!\n");
+		return 0;
+	}
+
+	local_count = min(LBUFSIZE - 1, count);
+	if (copy_from_user(lbuf, buffer, local_count) != 0) {
+		kfree(lbuf);
+		return -EFAULT;
+	}
+	lbuf[local_count] = '\0';
+
+	ptr = strstr(lbuf, "Online devices");
+	if (!ptr) {
+		PRINTK("Unable to parse data (missing \"Online devices\")\n");
+		goto out;
+	}
+	ptr = strstr(ptr, "\n");
+	if (!ptr) {
+		PRINTK("Unable to parse data (missing newline "
+		       "after \"Online devices\")\n");
+		goto out;
+	}
+	ptr++;
+
+	if (strstr(ptr, "Waiting work element counts") == NULL) {
+		PRINTK("Unable to parse data (missing "
+		       "\"Waiting work element counts\")\n");
+		goto out;
+	}
+
+	for (j = 0; j < 64 && *ptr; ptr++) {
+		/**
+		 * '0' for no device, '1' for PCICA, '2' for PCICC,
+		 * '3' for PCIXCC_MCL2, '4' for PCIXCC_MCL3,
+		 * '5' for CEX2C and '6' for CEX2A'
+		 */
+		if (*ptr >= '0' && *ptr <= '6')
+			j++;
+		else if (*ptr == 'd' || *ptr == 'D')
+			zcrypt_disable_card(j++);
+		else if (*ptr == 'e' || *ptr == 'E')
+			zcrypt_enable_card(j++);
+		else if (*ptr != ' ' && *ptr != '\t')
+			break;
+	}
+out:
+	kfree(lbuf);
+	return count;
+}
+
+/**
+ * The module initialization code.
+ */
+int __init zcrypt_api_init(void)
+{
+	int rc;
+
+	/* Register the request sprayer. */
+	rc = misc_register(&zcrypt_misc_device);
+	if (rc < 0) {
+		PRINTKW(KERN_ERR "misc_register (minor %d) failed with %d\n",
+			zcrypt_misc_device.minor, rc);
+		goto out;
+	}
+
+	/* Set up the proc file system */
+	zcrypt_entry = create_proc_entry("driver/z90crypt", 0644, NULL);
+	if (!zcrypt_entry) {
+		PRINTK("Couldn't create z90crypt proc entry\n");
+		rc = -ENOMEM;
+		goto out_misc;
+	}
+	zcrypt_entry->nlink = 1;
+	zcrypt_entry->data = NULL;
+	zcrypt_entry->read_proc = zcrypt_status_read;
+	zcrypt_entry->write_proc = zcrypt_status_write;
+
+	return 0;
+
+out_misc:
+	misc_deregister(&zcrypt_misc_device);
+out:
+	return rc;
+}
+
+/**
+ * The module termination code.
+ */
+void zcrypt_api_exit(void)
+{
+	remove_proc_entry("driver/z90crypt", NULL);
+	misc_deregister(&zcrypt_misc_device);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(zcrypt_api_init);
+module_exit(zcrypt_api_exit);
+#endif
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
new file mode 100644
index 00000000000..de4877ee618
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -0,0 +1,141 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_api.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *	       Cornelia Huck <cornelia.huck@de.ibm.com>
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_API_H_
+#define _ZCRYPT_API_H_
+
+/**
+ * Macro definitions
+ *
+ * PDEBUG debugs in the form "zcrypt: function_name -> message"
+ *
+ * PRINTK is like PDEBUG, except that it is always enabled
+ * PRINTKN is like PRINTK, except that it does not include the function name
+ * PRINTKW is like PRINTK, except that it uses KERN_WARNING
+ * PRINTKC is like PRINTK, except that it uses KERN_CRIT
+ */
+#define DEV_NAME	"zcrypt"
+
+#define PRINTK(fmt, args...) \
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+#define PRINTKN(fmt, args...) \
+	printk(KERN_DEBUG DEV_NAME ": " fmt, ## args)
+#define PRINTKW(fmt, args...) \
+	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+#define PRINTKC(fmt, args...) \
+	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+
+#ifdef ZCRYPT_DEBUG
+#define PDEBUG(fmt, args...) \
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+#else
+#define PDEBUG(fmt, args...) do {} while (0)
+#endif
+
+#include "ap_bus.h"
+#include <asm/zcrypt.h>
+
+/* deprecated status calls */
+#define ICAZ90STATUS		_IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status)
+#define Z90STAT_PCIXCCCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x43, int)
+
+/**
+ * This structure is deprecated and the corresponding ioctl() has been
+ * replaced with individual ioctl()s for each piece of data!
+ */
+struct ica_z90_status {
+	int totalcount;
+	int leedslitecount; // PCICA
+	int leeds2count;    // PCICC
+	// int PCIXCCCount; is not in struct for backward compatibility
+	int requestqWaitCount;
+	int pendingqWaitCount;
+	int totalOpenCount;
+	int cryptoDomain;
+	// status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
+	//	   5=CEX2C
+	unsigned char status[64];
+	// qdepth: # work elements waiting for each device
+	unsigned char qdepth[64];
+};
+
+/**
+ * device type for an actual device is either PCICA, PCICC, PCIXCC_MCL2,
+ * PCIXCC_MCL3, CEX2C, or CEX2A
+ *
+ * NOTE: PCIXCC_MCL3 refers to a PCIXCC with May 2004 version of Licensed
+ *	 Internal Code (LIC) (EC J12220 level 29).
+ *	 PCIXCC_MCL2 refers to any LIC before this level.
+ */
+#define ZCRYPT_PCICA		1
+#define ZCRYPT_PCICC		2
+#define ZCRYPT_PCIXCC_MCL2	3
+#define ZCRYPT_PCIXCC_MCL3	4
+#define ZCRYPT_CEX2C		5
+#define ZCRYPT_CEX2A		6
+
+struct zcrypt_device;
+
+struct zcrypt_ops {
+	long (*rsa_modexpo)(struct zcrypt_device *, struct ica_rsa_modexpo *);
+	long (*rsa_modexpo_crt)(struct zcrypt_device *,
+				struct ica_rsa_modexpo_crt *);
+	long (*send_cprb)(struct zcrypt_device *, struct ica_xcRB *);
+};
+
+struct zcrypt_device {
+	struct list_head list;		/* Device list. */
+	spinlock_t lock;		/* Per device lock. */
+	struct kref refcount;		/* device refcounting */
+	struct ap_device *ap_dev;	/* The "real" ap device. */
+	struct zcrypt_ops *ops;		/* Crypto operations. */
+	int online;			/* User online/offline */
+
+	int user_space_type;		/* User space device id. */
+	char *type_string;		/* User space device name. */
+	int min_mod_size;		/* Min number of bits. */
+	int max_mod_size;		/* Max number of bits. */
+	int short_crt;			/* Card has crt length restriction. */
+	int speed_rating;		/* Speed of the crypto device. */
+
+	int request_count;		/* # current requests. */
+
+	struct ap_message reply;	/* Per-device reply structure. */
+};
+
+struct zcrypt_device *zcrypt_device_alloc(size_t);
+void zcrypt_device_free(struct zcrypt_device *);
+void zcrypt_device_get(struct zcrypt_device *);
+int zcrypt_device_put(struct zcrypt_device *);
+int zcrypt_device_register(struct zcrypt_device *);
+void zcrypt_device_unregister(struct zcrypt_device *);
+int zcrypt_api_init(void);
+void zcrypt_api_exit(void);
+
+#endif /* _ZCRYPT_API_H_ */
diff --git a/drivers/s390/crypto/zcrypt_cca_key.h b/drivers/s390/crypto/zcrypt_cca_key.h
new file mode 100644
index 00000000000..8dbcf0eef3e
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_cca_key.h
@@ -0,0 +1,350 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_cca_key.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_CCA_KEY_H_
+#define _ZCRYPT_CCA_KEY_H_
+
+struct T6_keyBlock_hdr {
+	unsigned short blen;
+	unsigned short ulen;
+	unsigned short flags;
+};
+
+/**
+ * mapping for the cca private ME key token.
+ * Three parts of interest here: the header, the private section and
+ * the public section.
+ *
+ * mapping for the cca key token header
+ */
+struct cca_token_hdr {
+	unsigned char  token_identifier;
+	unsigned char  version;
+	unsigned short token_length;
+	unsigned char  reserved[4];
+} __attribute__((packed));
+
+#define CCA_TKN_HDR_ID_EXT 0x1E
+
+/**
+ * mapping for the cca private ME section
+ */
+struct cca_private_ext_ME_sec {
+	unsigned char  section_identifier;
+	unsigned char  version;
+	unsigned short section_length;
+	unsigned char  private_key_hash[20];
+	unsigned char  reserved1[4];
+	unsigned char  key_format;
+	unsigned char  reserved2;
+	unsigned char  key_name_hash[20];
+	unsigned char  key_use_flags[4];
+	unsigned char  reserved3[6];
+	unsigned char  reserved4[24];
+	unsigned char  confounder[24];
+	unsigned char  exponent[128];
+	unsigned char  modulus[128];
+} __attribute__((packed));
+
+#define CCA_PVT_USAGE_ALL 0x80
+
+/**
+ * mapping for the cca public section
+ * In a private key, the modulus doesn't appear in the public
+ * section. So, an arbitrary public exponent of 0x010001 will be
+ * used, for a section length of 0x0F always.
+ */
+struct cca_public_sec {
+	unsigned char  section_identifier;
+	unsigned char  version;
+	unsigned short section_length;
+	unsigned char  reserved[2];
+	unsigned short exponent_len;
+	unsigned short modulus_bit_len;
+	unsigned short modulus_byte_len;    /* In a private key, this is 0 */
+} __attribute__((packed));
+
+/**
+ * mapping for the cca private CRT key 'token'
+ * The first three parts (the only parts considered in this release)
+ * are: the header, the private section and the public section.
+ * The header and public section are the same as for the
+ * struct cca_private_ext_ME
+ *
+ * Following the structure are the quantities p, q, dp, dq, u, pad,
+ * and modulus, in that order, where pad_len is the modulo 8
+ * complement of the residue modulo 8 of the sum of
+ * (p_len + q_len + dp_len + dq_len + u_len).
+ */
+struct cca_pvt_ext_CRT_sec {
+	unsigned char  section_identifier;
+	unsigned char  version;
+	unsigned short section_length;
+	unsigned char  private_key_hash[20];
+	unsigned char  reserved1[4];
+	unsigned char  key_format;
+	unsigned char  reserved2;
+	unsigned char  key_name_hash[20];
+	unsigned char  key_use_flags[4];
+	unsigned short p_len;
+	unsigned short q_len;
+	unsigned short dp_len;
+	unsigned short dq_len;
+	unsigned short u_len;
+	unsigned short mod_len;
+	unsigned char  reserved3[4];
+	unsigned short pad_len;
+	unsigned char  reserved4[52];
+	unsigned char  confounder[8];
+} __attribute__((packed));
+
+#define CCA_PVT_EXT_CRT_SEC_ID_PVT 0x08
+#define CCA_PVT_EXT_CRT_SEC_FMT_CL 0x40
+
+/**
+ * Set up private key fields of a type6 MEX message.
+ * Note that all numerics in the key token are big-endian,
+ * while the entries in the key block header are little-endian.
+ *
+ * @mex: pointer to user input data
+ * @p: pointer to memory area for the key
+ *
+ * Returns the size of the key area or -EFAULT
+ */
+static inline int zcrypt_type6_mex_key_de(struct ica_rsa_modexpo *mex,
+					  void *p, int big_endian)
+{
+	static struct cca_token_hdr static_pvt_me_hdr = {
+		.token_identifier	=  0x1E,
+		.token_length		=  0x0183,
+	};
+	static struct cca_private_ext_ME_sec static_pvt_me_sec = {
+		.section_identifier	=  0x02,
+		.section_length		=  0x016C,
+		.key_use_flags		= {0x80,0x00,0x00,0x00},
+	};
+	static struct cca_public_sec static_pub_me_sec = {
+		.section_identifier	=  0x04,
+		.section_length		=  0x000F,
+		.exponent_len		=  0x0003,
+	};
+	static char pk_exponent[3] = { 0x01, 0x00, 0x01 };
+	struct {
+		struct T6_keyBlock_hdr t6_hdr;
+		struct cca_token_hdr pvtMeHdr;
+		struct cca_private_ext_ME_sec pvtMeSec;
+		struct cca_public_sec pubMeSec;
+		char exponent[3];
+	} __attribute__((packed)) *key = p;
+	unsigned char *temp;
+
+	memset(key, 0, sizeof(*key));
+
+	if (big_endian) {
+		key->t6_hdr.blen = cpu_to_be16(0x189);
+		key->t6_hdr.ulen = cpu_to_be16(0x189 - 2);
+	} else {
+		key->t6_hdr.blen = cpu_to_le16(0x189);
+		key->t6_hdr.ulen = cpu_to_le16(0x189 - 2);
+	}
+	key->pvtMeHdr = static_pvt_me_hdr;
+	key->pvtMeSec = static_pvt_me_sec;
+	key->pubMeSec = static_pub_me_sec;
+	/**
+	 * In a private key, the modulus doesn't appear in the public
+	 * section. So, an arbitrary public exponent of 0x010001 will be
+	 * used.
+	 */
+	memcpy(key->exponent, pk_exponent, 3);
+
+	/* key parameter block */
+	temp = key->pvtMeSec.exponent +
+		sizeof(key->pvtMeSec.exponent) - mex->inputdatalength;
+	if (copy_from_user(temp, mex->b_key, mex->inputdatalength))
+		return -EFAULT;
+
+	/* modulus */
+	temp = key->pvtMeSec.modulus +
+		sizeof(key->pvtMeSec.modulus) - mex->inputdatalength;
+	if (copy_from_user(temp, mex->n_modulus, mex->inputdatalength))
+		return -EFAULT;
+	key->pubMeSec.modulus_bit_len = 8 * mex->inputdatalength;
+	return sizeof(*key);
+}
+
+/**
+ * Set up private key fields of a type6 MEX message. The _pad variant
+ * strips leading zeroes from the b_key.
+ * Note that all numerics in the key token are big-endian,
+ * while the entries in the key block header are little-endian.
+ *
+ * @mex: pointer to user input data
+ * @p: pointer to memory area for the key
+ *
+ * Returns the size of the key area or -EFAULT
+ */
+static inline int zcrypt_type6_mex_key_en(struct ica_rsa_modexpo *mex,
+					  void *p, int big_endian)
+{
+	static struct cca_token_hdr static_pub_hdr = {
+		.token_identifier	=  0x1E,
+	};
+	static struct cca_public_sec static_pub_sec = {
+		.section_identifier	=  0x04,
+	};
+	struct {
+		struct T6_keyBlock_hdr t6_hdr;
+		struct cca_token_hdr pubHdr;
+		struct cca_public_sec pubSec;
+		char exponent[0];
+	} __attribute__((packed)) *key = p;
+	unsigned char *temp;
+	int i;
+
+	memset(key, 0, sizeof(*key));
+
+	key->pubHdr = static_pub_hdr;
+	key->pubSec = static_pub_sec;
+
+	/* key parameter block */
+	temp = key->exponent;
+	if (copy_from_user(temp, mex->b_key, mex->inputdatalength))
+		return -EFAULT;
+	/* Strip leading zeroes from b_key. */
+	for (i = 0; i < mex->inputdatalength; i++)
+		if (temp[i])
+			break;
+	if (i >= mex->inputdatalength)
+		return -EINVAL;
+	memmove(temp, temp + i, mex->inputdatalength - i);
+	temp += mex->inputdatalength - i;
+	/* modulus */
+	if (copy_from_user(temp, mex->n_modulus, mex->inputdatalength))
+		return -EFAULT;
+
+	key->pubSec.modulus_bit_len = 8 * mex->inputdatalength;
+	key->pubSec.modulus_byte_len = mex->inputdatalength;
+	key->pubSec.exponent_len = mex->inputdatalength - i;
+	key->pubSec.section_length = sizeof(key->pubSec) +
+					2*mex->inputdatalength - i;
+	key->pubHdr.token_length =
+		key->pubSec.section_length + sizeof(key->pubHdr);
+	if (big_endian) {
+		key->t6_hdr.ulen = cpu_to_be16(key->pubHdr.token_length + 4);
+		key->t6_hdr.blen = cpu_to_be16(key->pubHdr.token_length + 6);
+	} else {
+		key->t6_hdr.ulen = cpu_to_le16(key->pubHdr.token_length + 4);
+		key->t6_hdr.blen = cpu_to_le16(key->pubHdr.token_length + 6);
+	}
+	return sizeof(*key) + 2*mex->inputdatalength - i;
+}
+
+/**
+ * Set up private key fields of a type6 CRT message.
+ * Note that all numerics in the key token are big-endian,
+ * while the entries in the key block header are little-endian.
+ *
+ * @mex: pointer to user input data
+ * @p: pointer to memory area for the key
+ *
+ * Returns the size of the key area or -EFAULT
+ */
+static inline int zcrypt_type6_crt_key(struct ica_rsa_modexpo_crt *crt,
+				       void *p, int big_endian)
+{
+	static struct cca_public_sec static_cca_pub_sec = {
+		.section_identifier = 4,
+		.section_length = 0x000f,
+		.exponent_len = 0x0003,
+	};
+	static char pk_exponent[3] = { 0x01, 0x00, 0x01 };
+	struct {
+		struct T6_keyBlock_hdr t6_hdr;
+		struct cca_token_hdr token;
+		struct cca_pvt_ext_CRT_sec pvt;
+		char key_parts[0];
+	} __attribute__((packed)) *key = p;
+	struct cca_public_sec *pub;
+	int short_len, long_len, pad_len, key_len, size;
+
+	memset(key, 0, sizeof(*key));
+
+	short_len = crt->inputdatalength / 2;
+	long_len = short_len + 8;
+	pad_len = -(3*long_len + 2*short_len) & 7;
+	key_len = 3*long_len + 2*short_len + pad_len + crt->inputdatalength;
+	size = sizeof(*key) + key_len + sizeof(*pub) + 3;
+
+	/* parameter block.key block */
+	if (big_endian) {
+		key->t6_hdr.blen = cpu_to_be16(size);
+		key->t6_hdr.ulen = cpu_to_be16(size - 2);
+	} else {
+		key->t6_hdr.blen = cpu_to_le16(size);
+		key->t6_hdr.ulen = cpu_to_le16(size - 2);
+	}
+
+	/* key token header */
+	key->token.token_identifier = CCA_TKN_HDR_ID_EXT;
+	key->token.token_length = size - 6;
+
+	/* private section */
+	key->pvt.section_identifier = CCA_PVT_EXT_CRT_SEC_ID_PVT;
+	key->pvt.section_length = sizeof(key->pvt) + key_len;
+	key->pvt.key_format = CCA_PVT_EXT_CRT_SEC_FMT_CL;
+	key->pvt.key_use_flags[0] = CCA_PVT_USAGE_ALL;
+	key->pvt.p_len = key->pvt.dp_len = key->pvt.u_len = long_len;
+	key->pvt.q_len = key->pvt.dq_len = short_len;
+	key->pvt.mod_len = crt->inputdatalength;
+	key->pvt.pad_len = pad_len;
+
+	/* key parts */
+	if (copy_from_user(key->key_parts, crt->np_prime, long_len) ||
+	    copy_from_user(key->key_parts + long_len,
+					crt->nq_prime, short_len) ||
+	    copy_from_user(key->key_parts + long_len + short_len,
+					crt->bp_key, long_len) ||
+	    copy_from_user(key->key_parts + 2*long_len + short_len,
+					crt->bq_key, short_len) ||
+	    copy_from_user(key->key_parts + 2*long_len + 2*short_len,
+					crt->u_mult_inv, long_len))
+		return -EFAULT;
+	memset(key->key_parts + 3*long_len + 2*short_len + pad_len,
+	       0xff, crt->inputdatalength);
+	pub = (struct cca_public_sec *)(key->key_parts + key_len);
+	*pub = static_cca_pub_sec;
+	pub->modulus_bit_len = 8 * crt->inputdatalength;
+	/**
+	 * In a private key, the modulus doesn't appear in the public
+	 * section. So, an arbitrary public exponent of 0x010001 will be
+	 * used.
+	 */
+	memcpy((char *) (pub + 1), pk_exponent, 3);
+	return size;
+}
+
+#endif /* _ZCRYPT_CCA_KEY_H_ */
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
new file mode 100644
index 00000000000..a62b00083d0
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -0,0 +1,435 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_cex2a.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "ap_bus.h"
+#include "zcrypt_api.h"
+#include "zcrypt_error.h"
+#include "zcrypt_cex2a.h"
+
+#define CEX2A_MIN_MOD_SIZE	  1	/*    8 bits	*/
+#define CEX2A_MAX_MOD_SIZE	256	/* 2048 bits	*/
+
+#define CEX2A_SPEED_RATING	970
+
+#define CEX2A_MAX_MESSAGE_SIZE	0x390	/* sizeof(struct type50_crb2_msg)    */
+#define CEX2A_MAX_RESPONSE_SIZE 0x110	/* max outputdatalength + type80_hdr */
+
+#define CEX2A_CLEANUP_TIME	(15*HZ)
+
+static struct ap_device_id zcrypt_cex2a_ids[] = {
+	{ AP_DEVICE(AP_DEVICE_TYPE_CEX2A) },
+	{ /* end of list */ },
+};
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+MODULE_DEVICE_TABLE(ap, zcrypt_cex2a_ids);
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("CEX2A Cryptographic Coprocessor device driver, "
+		   "Copyright 2001, 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+#endif
+
+static int zcrypt_cex2a_probe(struct ap_device *ap_dev);
+static void zcrypt_cex2a_remove(struct ap_device *ap_dev);
+static void zcrypt_cex2a_receive(struct ap_device *, struct ap_message *,
+				 struct ap_message *);
+
+static struct ap_driver zcrypt_cex2a_driver = {
+	.probe = zcrypt_cex2a_probe,
+	.remove = zcrypt_cex2a_remove,
+	.receive = zcrypt_cex2a_receive,
+	.ids = zcrypt_cex2a_ids,
+};
+
+/**
+ * Convert a ICAMEX message to a type50 MEX message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @mex: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICAMEX_msg_to_type50MEX_msg(struct zcrypt_device *zdev,
+				       struct ap_message *ap_msg,
+				       struct ica_rsa_modexpo *mex)
+{
+	unsigned char *mod, *exp, *inp;
+	int mod_len;
+
+	mod_len = mex->inputdatalength;
+
+	if (mod_len <= 128) {
+		struct type50_meb1_msg *meb1 = ap_msg->message;
+		memset(meb1, 0, sizeof(*meb1));
+		ap_msg->length = sizeof(*meb1);
+		meb1->header.msg_type_code = TYPE50_TYPE_CODE;
+		meb1->header.msg_len = sizeof(*meb1);
+		meb1->keyblock_type = TYPE50_MEB1_FMT;
+		mod = meb1->modulus + sizeof(meb1->modulus) - mod_len;
+		exp = meb1->exponent + sizeof(meb1->exponent) - mod_len;
+		inp = meb1->message + sizeof(meb1->message) - mod_len;
+	} else {
+		struct type50_meb2_msg *meb2 = ap_msg->message;
+		memset(meb2, 0, sizeof(*meb2));
+		ap_msg->length = sizeof(*meb2);
+		meb2->header.msg_type_code = TYPE50_TYPE_CODE;
+		meb2->header.msg_len = sizeof(*meb2);
+		meb2->keyblock_type = TYPE50_MEB2_FMT;
+		mod = meb2->modulus + sizeof(meb2->modulus) - mod_len;
+		exp = meb2->exponent + sizeof(meb2->exponent) - mod_len;
+		inp = meb2->message + sizeof(meb2->message) - mod_len;
+	}
+
+	if (copy_from_user(mod, mex->n_modulus, mod_len) ||
+	    copy_from_user(exp, mex->b_key, mod_len) ||
+	    copy_from_user(inp, mex->inputdata, mod_len))
+		return -EFAULT;
+	return 0;
+}
+
+/**
+ * Convert a ICACRT message to a type50 CRT message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @crt: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICACRT_msg_to_type50CRT_msg(struct zcrypt_device *zdev,
+				       struct ap_message *ap_msg,
+				       struct ica_rsa_modexpo_crt *crt)
+{
+	int mod_len, short_len, long_len, long_offset;
+	unsigned char *p, *q, *dp, *dq, *u, *inp;
+
+	mod_len = crt->inputdatalength;
+	short_len = mod_len / 2;
+	long_len = mod_len / 2 + 8;
+
+	/*
+	 * CEX2A cannot handle p, dp, or U > 128 bytes.
+	 * If we have one of these, we need to do extra checking.
+	 */
+	if (long_len > 128) {
+		/*
+		 * zcrypt_rsa_crt already checked for the leading
+		 * zeroes of np_prime, bp_key and u_mult_inc.
+		 */
+		long_offset = long_len - 128;
+		long_len = 128;
+	} else
+		long_offset = 0;
+
+	/*
+	 * Instead of doing extra work for p, dp, U > 64 bytes, we'll just use
+	 * the larger message structure.
+	 */
+	if (long_len <= 64) {
+		struct type50_crb1_msg *crb1 = ap_msg->message;
+		memset(crb1, 0, sizeof(*crb1));
+		ap_msg->length = sizeof(*crb1);
+		crb1->header.msg_type_code = TYPE50_TYPE_CODE;
+		crb1->header.msg_len = sizeof(*crb1);
+		crb1->keyblock_type = TYPE50_CRB1_FMT;
+		p = crb1->p + sizeof(crb1->p) - long_len;
+		q = crb1->q + sizeof(crb1->q) - short_len;
+		dp = crb1->dp + sizeof(crb1->dp) - long_len;
+		dq = crb1->dq + sizeof(crb1->dq) - short_len;
+		u = crb1->u + sizeof(crb1->u) - long_len;
+		inp = crb1->message + sizeof(crb1->message) - mod_len;
+	} else {
+		struct type50_crb2_msg *crb2 = ap_msg->message;
+		memset(crb2, 0, sizeof(*crb2));
+		ap_msg->length = sizeof(*crb2);
+		crb2->header.msg_type_code = TYPE50_TYPE_CODE;
+		crb2->header.msg_len = sizeof(*crb2);
+		crb2->keyblock_type = TYPE50_CRB2_FMT;
+		p = crb2->p + sizeof(crb2->p) - long_len;
+		q = crb2->q + sizeof(crb2->q) - short_len;
+		dp = crb2->dp + sizeof(crb2->dp) - long_len;
+		dq = crb2->dq + sizeof(crb2->dq) - short_len;
+		u = crb2->u + sizeof(crb2->u) - long_len;
+		inp = crb2->message + sizeof(crb2->message) - mod_len;
+	}
+
+	if (copy_from_user(p, crt->np_prime + long_offset, long_len) ||
+	    copy_from_user(q, crt->nq_prime, short_len) ||
+	    copy_from_user(dp, crt->bp_key + long_offset, long_len) ||
+	    copy_from_user(dq, crt->bq_key, short_len) ||
+	    copy_from_user(u, crt->u_mult_inv + long_offset, long_len) ||
+	    copy_from_user(inp, crt->inputdata, mod_len))
+		return -EFAULT;
+
+
+	return 0;
+}
+
+/**
+ * Copy results from a type 80 reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @data: pointer to user output data
+ * @length: size of user output data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int convert_type80(struct zcrypt_device *zdev,
+			  struct ap_message *reply,
+			  char __user *outputdata,
+			  unsigned int outputdatalength)
+{
+	struct type80_hdr *t80h = reply->message;
+	unsigned char *data;
+
+	if (t80h->len < sizeof(*t80h) + outputdatalength) {
+		/* The result is too short, the CEX2A card may not do that.. */
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+	BUG_ON(t80h->len > CEX2A_MAX_RESPONSE_SIZE);
+	data = reply->message + t80h->len - outputdatalength;
+	if (copy_to_user(outputdata, data, outputdatalength))
+		return -EFAULT;
+	return 0;
+}
+
+static int convert_response(struct zcrypt_device *zdev,
+			    struct ap_message *reply,
+			    char __user *outputdata,
+			    unsigned int outputdatalength)
+{
+	/* Response type byte is the second byte in the response. */
+	switch (((unsigned char *) reply->message)[1]) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		return convert_error(zdev, reply);
+	case TYPE80_RSP_CODE:
+		return convert_type80(zdev, reply,
+				      outputdata, outputdatalength);
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+/**
+ * This function is called from the AP bus code after a crypto request
+ * "msg" has finished with the reply message "reply".
+ * It is called from tasklet context.
+ * @ap_dev: pointer to the AP device
+ * @msg: pointer to the AP message
+ * @reply: pointer to the AP reply message
+ */
+static void zcrypt_cex2a_receive(struct ap_device *ap_dev,
+				 struct ap_message *msg,
+				 struct ap_message *reply)
+{
+	static struct error_hdr error_reply = {
+		.type = TYPE82_RSP_CODE,
+		.reply_code = REP82_ERROR_MACHINE_FAILURE,
+	};
+	struct type80_hdr *t80h = reply->message;
+	int length;
+
+	/* Copy the reply message to the request message buffer. */
+	if (IS_ERR(reply))
+		memcpy(msg->message, &error_reply, sizeof(error_reply));
+	else if (t80h->type == TYPE80_RSP_CODE) {
+		length = min(CEX2A_MAX_RESPONSE_SIZE, (int) t80h->len);
+		memcpy(msg->message, reply->message, length);
+	} else
+		memcpy(msg->message, reply->message, sizeof error_reply);
+	complete((struct completion *) msg->private);
+}
+
+static atomic_t zcrypt_step = ATOMIC_INIT(0);
+
+/**
+ * The request distributor calls this function if it picked the CEX2A
+ * device to handle a modexpo request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  CEX2A device to the request distributor
+ * @mex: pointer to the modexpo request buffer
+ */
+static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev,
+				 struct ica_rsa_modexpo *mex)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICAMEX_msg_to_type50MEX_msg(zdev, &ap_msg, mex);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, CEX2A_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, mex->outputdata,
+				      mex->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
+ * The request distributor calls this function if it picked the CEX2A
+ * device to handle a modexpo_crt request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  CEX2A device to the request distributor
+ * @crt: pointer to the modexpoc_crt request buffer
+ */
+static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev,
+				     struct ica_rsa_modexpo_crt *crt)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICACRT_msg_to_type50CRT_msg(zdev, &ap_msg, crt);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, CEX2A_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, crt->outputdata,
+				      crt->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
+ * The crypto operations for a CEX2A card.
+ */
+static struct zcrypt_ops zcrypt_cex2a_ops = {
+	.rsa_modexpo = zcrypt_cex2a_modexpo,
+	.rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt,
+};
+
+/**
+ * Probe function for CEX2A cards. It always accepts the AP device
+ * since the bus_match already checked the hardware type.
+ * @ap_dev: pointer to the AP device.
+ */
+static int zcrypt_cex2a_probe(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	zdev = zcrypt_device_alloc(CEX2A_MAX_RESPONSE_SIZE);
+	if (!zdev)
+		return -ENOMEM;
+	zdev->ap_dev = ap_dev;
+	zdev->ops = &zcrypt_cex2a_ops;
+	zdev->online = 1;
+	zdev->user_space_type = ZCRYPT_CEX2A;
+	zdev->type_string = "CEX2A";
+	zdev->min_mod_size = CEX2A_MIN_MOD_SIZE;
+	zdev->max_mod_size = CEX2A_MAX_MOD_SIZE;
+	zdev->short_crt = 1;
+	zdev->speed_rating = CEX2A_SPEED_RATING;
+	ap_dev->reply = &zdev->reply;
+	ap_dev->private = zdev;
+	rc = zcrypt_device_register(zdev);
+	if (rc)
+		goto out_free;
+	return 0;
+
+out_free:
+	ap_dev->private = NULL;
+	zcrypt_device_free(zdev);
+	return rc;
+}
+
+/**
+ * This is called to remove the extended CEX2A driver information
+ * if an AP device is removed.
+ */
+static void zcrypt_cex2a_remove(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev = ap_dev->private;
+
+	zcrypt_device_unregister(zdev);
+}
+
+int __init zcrypt_cex2a_init(void)
+{
+	return ap_driver_register(&zcrypt_cex2a_driver, THIS_MODULE, "cex2a");
+}
+
+void __exit zcrypt_cex2a_exit(void)
+{
+	ap_driver_unregister(&zcrypt_cex2a_driver);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(zcrypt_cex2a_init);
+module_exit(zcrypt_cex2a_exit);
+#endif
diff --git a/drivers/s390/crypto/zcrypt_cex2a.h b/drivers/s390/crypto/zcrypt_cex2a.h
new file mode 100644
index 00000000000..8f69d1dacab
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_cex2a.h
@@ -0,0 +1,126 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_cex2a.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_CEX2A_H_
+#define _ZCRYPT_CEX2A_H_
+
+/**
+ * The type 50 message family is associated with a CEX2A card.
+ *
+ * The four members of the family are described below.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+struct type50_hdr {
+	unsigned char	reserved1;
+	unsigned char	msg_type_code;	/* 0x50 */
+	unsigned short	msg_len;
+	unsigned char	reserved2;
+	unsigned char	ignored;
+	unsigned short	reserved3;
+} __attribute__((packed));
+
+#define TYPE50_TYPE_CODE	0x50
+
+#define TYPE50_MEB1_FMT		0x0001
+#define TYPE50_MEB2_FMT		0x0002
+#define TYPE50_CRB1_FMT		0x0011
+#define TYPE50_CRB2_FMT		0x0012
+
+/* Mod-Exp, with a small modulus */
+struct type50_meb1_msg {
+	struct type50_hdr header;
+	unsigned short	keyblock_type;	/* 0x0001 */
+	unsigned char	reserved[6];
+	unsigned char	exponent[128];
+	unsigned char	modulus[128];
+	unsigned char	message[128];
+} __attribute__((packed));
+
+/* Mod-Exp, with a large modulus */
+struct type50_meb2_msg {
+	struct type50_hdr header;
+	unsigned short	keyblock_type;	/* 0x0002 */
+	unsigned char	reserved[6];
+	unsigned char	exponent[256];
+	unsigned char	modulus[256];
+	unsigned char	message[256];
+} __attribute__((packed));
+
+/* CRT, with a small modulus */
+struct type50_crb1_msg {
+	struct type50_hdr header;
+	unsigned short	keyblock_type;	/* 0x0011 */
+	unsigned char	reserved[6];
+	unsigned char	p[64];
+	unsigned char	q[64];
+	unsigned char	dp[64];
+	unsigned char	dq[64];
+	unsigned char	u[64];
+	unsigned char	message[128];
+} __attribute__((packed));
+
+/* CRT, with a large modulus */
+struct type50_crb2_msg {
+	struct type50_hdr header;
+	unsigned short	keyblock_type;	/* 0x0012 */
+	unsigned char	reserved[6];
+	unsigned char	p[128];
+	unsigned char	q[128];
+	unsigned char	dp[128];
+	unsigned char	dq[128];
+	unsigned char	u[128];
+	unsigned char	message[256];
+} __attribute__((packed));
+
+/**
+ * The type 80 response family is associated with a CEX2A card.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+
+#define TYPE80_RSP_CODE 0x80
+
+struct type80_hdr {
+	unsigned char	reserved1;
+	unsigned char	type;		/* 0x80 */
+	unsigned short	len;
+	unsigned char	code;		/* 0x00 */
+	unsigned char	reserved2[3];
+	unsigned char	reserved3[8];
+} __attribute__((packed));
+
+int zcrypt_cex2a_init(void);
+void zcrypt_cex2a_exit(void);
+
+#endif /* _ZCRYPT_CEX2A_H_ */
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
new file mode 100644
index 00000000000..2cb616ba8be
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -0,0 +1,133 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_error.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_ERROR_H_
+#define _ZCRYPT_ERROR_H_
+
+#include "zcrypt_api.h"
+
+/**
+ * Reply Messages
+ *
+ * Error reply messages are of two types:
+ *    82:  Error (see below)
+ *    88:  Error (see below)
+ * Both type 82 and type 88 have the same structure in the header.
+ *
+ * Request reply messages are of three known types:
+ *    80:  Reply from a Type 50 Request (see CEX2A-RELATED STRUCTS)
+ *    84:  Reply from a Type 4 Request (see PCICA-RELATED STRUCTS)
+ *    86:  Reply from a Type 6 Request (see PCICC/PCIXCC/CEX2C-RELATED STRUCTS)
+ *
+ */
+struct error_hdr {
+	unsigned char reserved1;	/* 0x00			*/
+	unsigned char type;		/* 0x82 or 0x88		*/
+	unsigned char reserved2[2];	/* 0x0000		*/
+	unsigned char reply_code;	/* reply code		*/
+	unsigned char reserved3[3];	/* 0x000000		*/
+};
+
+#define TYPE82_RSP_CODE 0x82
+#define TYPE88_RSP_CODE 0x88
+
+#define REP82_ERROR_MACHINE_FAILURE  0x10
+#define REP82_ERROR_PREEMPT_FAILURE  0x12
+#define REP82_ERROR_CHECKPT_FAILURE  0x14
+#define REP82_ERROR_MESSAGE_TYPE     0x20
+#define REP82_ERROR_INVALID_COMM_CD  0x21	/* Type 84	*/
+#define REP82_ERROR_INVALID_MSG_LEN  0x23
+#define REP82_ERROR_RESERVD_FIELD    0x24	/* was 0x50	*/
+#define REP82_ERROR_FORMAT_FIELD     0x29
+#define REP82_ERROR_INVALID_COMMAND  0x30
+#define REP82_ERROR_MALFORMED_MSG    0x40
+#define REP82_ERROR_RESERVED_FIELDO  0x50	/* old value	*/
+#define REP82_ERROR_WORD_ALIGNMENT   0x60
+#define REP82_ERROR_MESSAGE_LENGTH   0x80
+#define REP82_ERROR_OPERAND_INVALID  0x82
+#define REP82_ERROR_OPERAND_SIZE     0x84
+#define REP82_ERROR_EVEN_MOD_IN_OPND 0x85
+#define REP82_ERROR_RESERVED_FIELD   0x88
+#define REP82_ERROR_TRANSPORT_FAIL   0x90
+#define REP82_ERROR_PACKET_TRUNCATED 0xA0
+#define REP82_ERROR_ZERO_BUFFER_LEN  0xB0
+
+#define REP88_ERROR_MODULE_FAILURE   0x10
+
+#define REP88_ERROR_MESSAGE_TYPE     0x20
+#define REP88_ERROR_MESSAGE_MALFORMD 0x22
+#define REP88_ERROR_MESSAGE_LENGTH   0x23
+#define REP88_ERROR_RESERVED_FIELD   0x24
+#define REP88_ERROR_KEY_TYPE	     0x34
+#define REP88_ERROR_INVALID_KEY      0x82	/* CEX2A	*/
+#define REP88_ERROR_OPERAND	     0x84	/* CEX2A	*/
+#define REP88_ERROR_OPERAND_EVEN_MOD 0x85	/* CEX2A	*/
+
+static inline int convert_error(struct zcrypt_device *zdev,
+				struct ap_message *reply)
+{
+	struct error_hdr *ehdr = reply->message;
+
+	PRINTK("Hardware error : Type %02x Message Header: %08x%08x\n",
+	       ehdr->type, *(unsigned int *) reply->message,
+	       *(unsigned int *) (reply->message + 4));
+
+	switch (ehdr->reply_code) {
+	case REP82_ERROR_OPERAND_INVALID:
+	case REP82_ERROR_OPERAND_SIZE:
+	case REP82_ERROR_EVEN_MOD_IN_OPND:
+	case REP88_ERROR_MESSAGE_MALFORMD:
+	//   REP88_ERROR_INVALID_KEY		// '82' CEX2A
+	//   REP88_ERROR_OPERAND		// '84' CEX2A
+	//   REP88_ERROR_OPERAND_EVEN_MOD	// '85' CEX2A
+		/* Invalid input data. */
+		return -EINVAL;
+	case REP82_ERROR_MESSAGE_TYPE:
+	//   REP88_ERROR_MESSAGE_TYPE		// '20' CEX2A
+		/**
+		 * To sent a message of the wrong type is a bug in the
+		 * device driver. Warn about it, disable the device
+		 * and then repeat the request.
+		 */
+		WARN_ON(1);
+		zdev->online = 0;
+		return -EAGAIN;
+	case REP82_ERROR_TRANSPORT_FAIL:
+	case REP82_ERROR_MACHINE_FAILURE:
+	//   REP88_ERROR_MODULE_FAILURE		// '10' CEX2A
+		/* If a card fails disable it and repeat the request. */
+		zdev->online = 0;
+		return -EAGAIN;
+	default:
+		PRINTKW("unknown type %02x reply code = %d\n",
+			ehdr->type, ehdr->reply_code);
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+#endif /* _ZCRYPT_ERROR_H_ */
diff --git a/drivers/s390/crypto/zcrypt_mono.c b/drivers/s390/crypto/zcrypt_mono.c
new file mode 100644
index 00000000000..2a9349ad68b
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_mono.c
@@ -0,0 +1,100 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_mono.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/compat.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "ap_bus.h"
+#include "zcrypt_api.h"
+#include "zcrypt_pcica.h"
+#include "zcrypt_pcicc.h"
+#include "zcrypt_pcixcc.h"
+#include "zcrypt_cex2a.h"
+
+/**
+ * The module initialization code.
+ */
+int __init zcrypt_init(void)
+{
+	int rc;
+
+	rc = ap_module_init();
+	if (rc)
+		goto out;
+	rc = zcrypt_api_init();
+	if (rc)
+		goto out_ap;
+	rc = zcrypt_pcica_init();
+	if (rc)
+		goto out_api;
+	rc = zcrypt_pcicc_init();
+	if (rc)
+		goto out_pcica;
+	rc = zcrypt_pcixcc_init();
+	if (rc)
+		goto out_pcicc;
+	rc = zcrypt_cex2a_init();
+	if (rc)
+		goto out_pcixcc;
+	return 0;
+
+out_pcixcc:
+	zcrypt_pcixcc_exit();
+out_pcicc:
+	zcrypt_pcicc_exit();
+out_pcica:
+	zcrypt_pcica_exit();
+out_api:
+	zcrypt_api_exit();
+out_ap:
+	ap_module_exit();
+out:
+	return rc;
+}
+
+/**
+ * The module termination code.
+ */
+void __exit zcrypt_exit(void)
+{
+	zcrypt_cex2a_exit();
+	zcrypt_pcixcc_exit();
+	zcrypt_pcicc_exit();
+	zcrypt_pcica_exit();
+	zcrypt_api_exit();
+	ap_module_exit();
+}
+
+module_init(zcrypt_init);
+module_exit(zcrypt_exit);
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
new file mode 100644
index 00000000000..b6a4ecdc802
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -0,0 +1,418 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcica.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "ap_bus.h"
+#include "zcrypt_api.h"
+#include "zcrypt_error.h"
+#include "zcrypt_pcica.h"
+
+#define PCICA_MIN_MOD_SIZE	  1	/*    8 bits	*/
+#define PCICA_MAX_MOD_SIZE	256	/* 2048 bits	*/
+
+#define PCICA_SPEED_RATING	2800
+
+#define PCICA_MAX_MESSAGE_SIZE	0x3a0	/* sizeof(struct type4_lcr)	     */
+#define PCICA_MAX_RESPONSE_SIZE 0x110	/* max outputdatalength + type80_hdr */
+
+#define PCICA_CLEANUP_TIME	(15*HZ)
+
+static struct ap_device_id zcrypt_pcica_ids[] = {
+	{ AP_DEVICE(AP_DEVICE_TYPE_PCICA) },
+	{ /* end of list */ },
+};
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+MODULE_DEVICE_TABLE(ap, zcrypt_pcica_ids);
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("PCICA Cryptographic Coprocessor device driver, "
+		   "Copyright 2001, 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+#endif
+
+static int zcrypt_pcica_probe(struct ap_device *ap_dev);
+static void zcrypt_pcica_remove(struct ap_device *ap_dev);
+static void zcrypt_pcica_receive(struct ap_device *, struct ap_message *,
+				 struct ap_message *);
+
+static struct ap_driver zcrypt_pcica_driver = {
+	.probe = zcrypt_pcica_probe,
+	.remove = zcrypt_pcica_remove,
+	.receive = zcrypt_pcica_receive,
+	.ids = zcrypt_pcica_ids,
+};
+
+/**
+ * Convert a ICAMEX message to a type4 MEX message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @mex: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICAMEX_msg_to_type4MEX_msg(struct zcrypt_device *zdev,
+				      struct ap_message *ap_msg,
+				      struct ica_rsa_modexpo *mex)
+{
+	unsigned char *modulus, *exponent, *message;
+	int mod_len;
+
+	mod_len = mex->inputdatalength;
+
+	if (mod_len <= 128) {
+		struct type4_sme *sme = ap_msg->message;
+		memset(sme, 0, sizeof(*sme));
+		ap_msg->length = sizeof(*sme);
+		sme->header.msg_fmt = TYPE4_SME_FMT;
+		sme->header.msg_len = sizeof(*sme);
+		sme->header.msg_type_code = TYPE4_TYPE_CODE;
+		sme->header.request_code = TYPE4_REQU_CODE;
+		modulus = sme->modulus + sizeof(sme->modulus) - mod_len;
+		exponent = sme->exponent + sizeof(sme->exponent) - mod_len;
+		message = sme->message + sizeof(sme->message) - mod_len;
+	} else {
+		struct type4_lme *lme = ap_msg->message;
+		memset(lme, 0, sizeof(*lme));
+		ap_msg->length = sizeof(*lme);
+		lme->header.msg_fmt = TYPE4_LME_FMT;
+		lme->header.msg_len = sizeof(*lme);
+		lme->header.msg_type_code = TYPE4_TYPE_CODE;
+		lme->header.request_code = TYPE4_REQU_CODE;
+		modulus = lme->modulus + sizeof(lme->modulus) - mod_len;
+		exponent = lme->exponent + sizeof(lme->exponent) - mod_len;
+		message = lme->message + sizeof(lme->message) - mod_len;
+	}
+
+	if (copy_from_user(modulus, mex->n_modulus, mod_len) ||
+	    copy_from_user(exponent, mex->b_key, mod_len) ||
+	    copy_from_user(message, mex->inputdata, mod_len))
+		return -EFAULT;
+	return 0;
+}
+
+/**
+ * Convert a ICACRT message to a type4 CRT message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @crt: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICACRT_msg_to_type4CRT_msg(struct zcrypt_device *zdev,
+				      struct ap_message *ap_msg,
+				      struct ica_rsa_modexpo_crt *crt)
+{
+	unsigned char *p, *q, *dp, *dq, *u, *inp;
+	int mod_len, short_len, long_len;
+
+	mod_len = crt->inputdatalength;
+	short_len = mod_len / 2;
+	long_len = mod_len / 2 + 8;
+
+	if (mod_len <= 128) {
+		struct type4_scr *scr = ap_msg->message;
+		memset(scr, 0, sizeof(*scr));
+		ap_msg->length = sizeof(*scr);
+		scr->header.msg_type_code = TYPE4_TYPE_CODE;
+		scr->header.request_code = TYPE4_REQU_CODE;
+		scr->header.msg_fmt = TYPE4_SCR_FMT;
+		scr->header.msg_len = sizeof(*scr);
+		p = scr->p + sizeof(scr->p) - long_len;
+		q = scr->q + sizeof(scr->q) - short_len;
+		dp = scr->dp + sizeof(scr->dp) - long_len;
+		dq = scr->dq + sizeof(scr->dq) - short_len;
+		u = scr->u + sizeof(scr->u) - long_len;
+		inp = scr->message + sizeof(scr->message) - mod_len;
+	} else {
+		struct type4_lcr *lcr = ap_msg->message;
+		memset(lcr, 0, sizeof(*lcr));
+		ap_msg->length = sizeof(*lcr);
+		lcr->header.msg_type_code = TYPE4_TYPE_CODE;
+		lcr->header.request_code = TYPE4_REQU_CODE;
+		lcr->header.msg_fmt = TYPE4_LCR_FMT;
+		lcr->header.msg_len = sizeof(*lcr);
+		p = lcr->p + sizeof(lcr->p) - long_len;
+		q = lcr->q + sizeof(lcr->q) - short_len;
+		dp = lcr->dp + sizeof(lcr->dp) - long_len;
+		dq = lcr->dq + sizeof(lcr->dq) - short_len;
+		u = lcr->u + sizeof(lcr->u) - long_len;
+		inp = lcr->message + sizeof(lcr->message) - mod_len;
+	}
+
+	if (copy_from_user(p, crt->np_prime, long_len) ||
+	    copy_from_user(q, crt->nq_prime, short_len) ||
+	    copy_from_user(dp, crt->bp_key, long_len) ||
+	    copy_from_user(dq, crt->bq_key, short_len) ||
+	    copy_from_user(u, crt->u_mult_inv, long_len) ||
+	    copy_from_user(inp, crt->inputdata, mod_len))
+		return -EFAULT;
+	return 0;
+}
+
+/**
+ * Copy results from a type 84 reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @data: pointer to user output data
+ * @length: size of user output data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static inline int convert_type84(struct zcrypt_device *zdev,
+				 struct ap_message *reply,
+				 char __user *outputdata,
+				 unsigned int outputdatalength)
+{
+	struct type84_hdr *t84h = reply->message;
+	char *data;
+
+	if (t84h->len < sizeof(*t84h) + outputdatalength) {
+		/* The result is too short, the PCICA card may not do that.. */
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+	BUG_ON(t84h->len > PCICA_MAX_RESPONSE_SIZE);
+	data = reply->message + t84h->len - outputdatalength;
+	if (copy_to_user(outputdata, data, outputdatalength))
+		return -EFAULT;
+	return 0;
+}
+
+static int convert_response(struct zcrypt_device *zdev,
+			    struct ap_message *reply,
+			    char __user *outputdata,
+			    unsigned int outputdatalength)
+{
+	/* Response type byte is the second byte in the response. */
+	switch (((unsigned char *) reply->message)[1]) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		return convert_error(zdev, reply);
+	case TYPE84_RSP_CODE:
+		return convert_type84(zdev, reply,
+				      outputdata, outputdatalength);
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+/**
+ * This function is called from the AP bus code after a crypto request
+ * "msg" has finished with the reply message "reply".
+ * It is called from tasklet context.
+ * @ap_dev: pointer to the AP device
+ * @msg: pointer to the AP message
+ * @reply: pointer to the AP reply message
+ */
+static void zcrypt_pcica_receive(struct ap_device *ap_dev,
+				 struct ap_message *msg,
+				 struct ap_message *reply)
+{
+	static struct error_hdr error_reply = {
+		.type = TYPE82_RSP_CODE,
+		.reply_code = REP82_ERROR_MACHINE_FAILURE,
+	};
+	struct type84_hdr *t84h = reply->message;
+	int length;
+
+	/* Copy the reply message to the request message buffer. */
+	if (IS_ERR(reply))
+		memcpy(msg->message, &error_reply, sizeof(error_reply));
+	else if (t84h->code == TYPE84_RSP_CODE) {
+		length = min(PCICA_MAX_RESPONSE_SIZE, (int) t84h->len);
+		memcpy(msg->message, reply->message, length);
+	} else
+		memcpy(msg->message, reply->message, sizeof error_reply);
+	complete((struct completion *) msg->private);
+}
+
+static atomic_t zcrypt_step = ATOMIC_INIT(0);
+
+/**
+ * The request distributor calls this function if it picked the PCICA
+ * device to handle a modexpo request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCICA device to the request distributor
+ * @mex: pointer to the modexpo request buffer
+ */
+static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev,
+				 struct ica_rsa_modexpo *mex)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICAMEX_msg_to_type4MEX_msg(zdev, &ap_msg, mex);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, PCICA_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, mex->outputdata,
+				      mex->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
+ * The request distributor calls this function if it picked the PCICA
+ * device to handle a modexpo_crt request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCICA device to the request distributor
+ * @crt: pointer to the modexpoc_crt request buffer
+ */
+static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev,
+				     struct ica_rsa_modexpo_crt *crt)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICACRT_msg_to_type4CRT_msg(zdev, &ap_msg, crt);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, PCICA_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, crt->outputdata,
+				      crt->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
+ * The crypto operations for a PCICA card.
+ */
+static struct zcrypt_ops zcrypt_pcica_ops = {
+	.rsa_modexpo = zcrypt_pcica_modexpo,
+	.rsa_modexpo_crt = zcrypt_pcica_modexpo_crt,
+};
+
+/**
+ * Probe function for PCICA cards. It always accepts the AP device
+ * since the bus_match already checked the hardware type.
+ * @ap_dev: pointer to the AP device.
+ */
+static int zcrypt_pcica_probe(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	zdev = zcrypt_device_alloc(PCICA_MAX_RESPONSE_SIZE);
+	if (!zdev)
+		return -ENOMEM;
+	zdev->ap_dev = ap_dev;
+	zdev->ops = &zcrypt_pcica_ops;
+	zdev->online = 1;
+	zdev->user_space_type = ZCRYPT_PCICA;
+	zdev->type_string = "PCICA";
+	zdev->min_mod_size = PCICA_MIN_MOD_SIZE;
+	zdev->max_mod_size = PCICA_MAX_MOD_SIZE;
+	zdev->speed_rating = PCICA_SPEED_RATING;
+	ap_dev->reply = &zdev->reply;
+	ap_dev->private = zdev;
+	rc = zcrypt_device_register(zdev);
+	if (rc)
+		goto out_free;
+	return 0;
+
+out_free:
+	ap_dev->private = NULL;
+	zcrypt_device_free(zdev);
+	return rc;
+}
+
+/**
+ * This is called to remove the extended PCICA driver information
+ * if an AP device is removed.
+ */
+static void zcrypt_pcica_remove(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev = ap_dev->private;
+
+	zcrypt_device_unregister(zdev);
+}
+
+int __init zcrypt_pcica_init(void)
+{
+	return ap_driver_register(&zcrypt_pcica_driver, THIS_MODULE, "pcica");
+}
+
+void zcrypt_pcica_exit(void)
+{
+	ap_driver_unregister(&zcrypt_pcica_driver);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(zcrypt_pcica_init);
+module_exit(zcrypt_pcica_exit);
+#endif
diff --git a/drivers/s390/crypto/zcrypt_pcica.h b/drivers/s390/crypto/zcrypt_pcica.h
new file mode 100644
index 00000000000..3be11187f6d
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcica.h
@@ -0,0 +1,117 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcica.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_PCICA_H_
+#define _ZCRYPT_PCICA_H_
+
+/**
+ * The type 4 message family is associated with a PCICA card.
+ *
+ * The four members of the family are described below.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+struct type4_hdr {
+	unsigned char  reserved1;
+	unsigned char  msg_type_code;	/* 0x04 */
+	unsigned short msg_len;
+	unsigned char  request_code;	/* 0x40 */
+	unsigned char  msg_fmt;
+	unsigned short reserved2;
+} __attribute__((packed));
+
+#define TYPE4_TYPE_CODE 0x04
+#define TYPE4_REQU_CODE 0x40
+
+#define TYPE4_SME_FMT 0x00
+#define TYPE4_LME_FMT 0x10
+#define TYPE4_SCR_FMT 0x40
+#define TYPE4_LCR_FMT 0x50
+
+/* Mod-Exp, with a small modulus */
+struct type4_sme {
+	struct type4_hdr header;
+	unsigned char	 message[128];
+	unsigned char	 exponent[128];
+	unsigned char	 modulus[128];
+} __attribute__((packed));
+
+/* Mod-Exp, with a large modulus */
+struct type4_lme {
+	struct type4_hdr header;
+	unsigned char	 message[256];
+	unsigned char	 exponent[256];
+	unsigned char	 modulus[256];
+} __attribute__((packed));
+
+/* CRT, with a small modulus */
+struct type4_scr {
+	struct type4_hdr header;
+	unsigned char	 message[128];
+	unsigned char	 dp[72];
+	unsigned char	 dq[64];
+	unsigned char	 p[72];
+	unsigned char	 q[64];
+	unsigned char	 u[72];
+} __attribute__((packed));
+
+/* CRT, with a large modulus */
+struct type4_lcr {
+	struct type4_hdr header;
+	unsigned char	 message[256];
+	unsigned char	 dp[136];
+	unsigned char	 dq[128];
+	unsigned char	 p[136];
+	unsigned char	 q[128];
+	unsigned char	 u[136];
+} __attribute__((packed));
+
+/**
+ * The type 84 response family is associated with a PCICA card.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+
+struct type84_hdr {
+	unsigned char  reserved1;
+	unsigned char  code;
+	unsigned short len;
+	unsigned char  reserved2[4];
+} __attribute__((packed));
+
+#define TYPE84_RSP_CODE 0x84
+
+int zcrypt_pcica_init(void);
+void zcrypt_pcica_exit(void);
+
+#endif /* _ZCRYPT_PCICA_H_ */
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
new file mode 100644
index 00000000000..f295a403b29
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -0,0 +1,630 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcicc.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "ap_bus.h"
+#include "zcrypt_api.h"
+#include "zcrypt_error.h"
+#include "zcrypt_pcicc.h"
+#include "zcrypt_cca_key.h"
+
+#define PCICC_MIN_MOD_SIZE	 64	/*  512 bits */
+#define PCICC_MAX_MOD_SIZE_OLD	128	/* 1024 bits */
+#define PCICC_MAX_MOD_SIZE	256	/* 2048 bits */
+
+/**
+ * PCICC cards need a speed rating of 0. This keeps them at the end of
+ * the zcrypt device list (see zcrypt_api.c). PCICC cards are only
+ * used if no other cards are present because they are slow and can only
+ * cope with PKCS12 padded requests. The logic is queer. PKCS11 padded
+ * requests are rejected. The modexpo function encrypts PKCS12 padded data
+ * and decrypts any non-PKCS12 padded data (except PKCS11) in the assumption
+ * that it's encrypted PKCS12 data. The modexpo_crt function always decrypts
+ * the data in the assumption that its PKCS12 encrypted data.
+ */
+#define PCICC_SPEED_RATING	0
+
+#define PCICC_MAX_MESSAGE_SIZE 0x710	/* max size type6 v1 crt message */
+#define PCICC_MAX_RESPONSE_SIZE 0x710	/* max size type86 v1 reply	 */
+
+#define PCICC_CLEANUP_TIME	(15*HZ)
+
+static struct ap_device_id zcrypt_pcicc_ids[] = {
+	{ AP_DEVICE(AP_DEVICE_TYPE_PCICC) },
+	{ /* end of list */ },
+};
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+MODULE_DEVICE_TABLE(ap, zcrypt_pcicc_ids);
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("PCICC Cryptographic Coprocessor device driver, "
+		   "Copyright 2001, 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+#endif
+
+static int zcrypt_pcicc_probe(struct ap_device *ap_dev);
+static void zcrypt_pcicc_remove(struct ap_device *ap_dev);
+static void zcrypt_pcicc_receive(struct ap_device *, struct ap_message *,
+				 struct ap_message *);
+
+static struct ap_driver zcrypt_pcicc_driver = {
+	.probe = zcrypt_pcicc_probe,
+	.remove = zcrypt_pcicc_remove,
+	.receive = zcrypt_pcicc_receive,
+	.ids = zcrypt_pcicc_ids,
+};
+
+/**
+ * The following is used to initialize the CPRB passed to the PCICC card
+ * in a type6 message. The 3 fields that must be filled in at execution
+ * time are  req_parml, rpl_parml and usage_domain. Note that all three
+ * fields are *little*-endian. Actually, everything about this interface
+ * is ascii/little-endian, since the device has 'Intel inside'.
+ *
+ * The CPRB is followed immediately by the parm block.
+ * The parm block contains:
+ * - function code ('PD' 0x5044 or 'PK' 0x504B)
+ * - rule block (0x0A00 'PKCS-1.2' or 0x0A00 'ZERO-PAD')
+ * - VUD block
+ */
+static struct CPRB static_cprb = {
+	.cprb_len	= __constant_cpu_to_le16(0x0070),
+	.cprb_ver_id	=  0x41,
+	.func_id	= {0x54,0x32},
+	.checkpoint_flag=  0x01,
+	.svr_namel	= __constant_cpu_to_le16(0x0008),
+	.svr_name	= {'I','C','S','F',' ',' ',' ',' '}
+};
+
+/**
+ * Check the message for PKCS11 padding.
+ */
+static inline int is_PKCS11_padded(unsigned char *buffer, int length)
+{
+	int i;
+	if ((buffer[0] != 0x00) || (buffer[1] != 0x01))
+		return 0;
+	for (i = 2; i < length; i++)
+		if (buffer[i] != 0xFF)
+			break;
+	if (i < 10 || i == length)
+		return 0;
+	if (buffer[i] != 0x00)
+		return 0;
+	return 1;
+}
+
+/**
+ * Check the message for PKCS12 padding.
+ */
+static inline int is_PKCS12_padded(unsigned char *buffer, int length)
+{
+	int i;
+	if ((buffer[0] != 0x00) || (buffer[1] != 0x02))
+		return 0;
+	for (i = 2; i < length; i++)
+		if (buffer[i] == 0x00)
+			break;
+	if ((i < 10) || (i == length))
+		return 0;
+	if (buffer[i] != 0x00)
+		return 0;
+	return 1;
+}
+
+/**
+ * Convert a ICAMEX message to a type6 MEX message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @mex: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICAMEX_msg_to_type6MEX_msg(struct zcrypt_device *zdev,
+				      struct ap_message *ap_msg,
+				      struct ica_rsa_modexpo *mex)
+{
+	static struct type6_hdr static_type6_hdr = {
+		.type		=  0x06,
+		.offset1	=  0x00000058,
+		.agent_id	= {0x01,0x00,0x43,0x43,0x41,0x2D,0x41,0x50,
+				   0x50,0x4C,0x20,0x20,0x20,0x01,0x01,0x01},
+		.function_code	= {'P','K'},
+	};
+	static struct function_and_rules_block static_pke_function_and_rules ={
+		.function_code	= {'P','K'},
+		.ulen		= __constant_cpu_to_le16(10),
+		.only_rule	= {'P','K','C','S','-','1','.','2'}
+	};
+	struct {
+		struct type6_hdr hdr;
+		struct CPRB cprb;
+		struct function_and_rules_block fr;
+		unsigned short length;
+		char text[0];
+	} __attribute__((packed)) *msg = ap_msg->message;
+	int vud_len, pad_len, size;
+
+	/* VUD.ciphertext */
+	if (copy_from_user(msg->text, mex->inputdata, mex->inputdatalength))
+		return -EFAULT;
+
+	if (is_PKCS11_padded(msg->text, mex->inputdatalength))
+		return -EINVAL;
+
+	/* static message header and f&r */
+	msg->hdr = static_type6_hdr;
+	msg->fr = static_pke_function_and_rules;
+
+	if (is_PKCS12_padded(msg->text, mex->inputdatalength)) {
+		/* strip the padding and adjust the data length */
+		pad_len = strnlen(msg->text + 2, mex->inputdatalength - 2) + 3;
+		if (pad_len <= 9 || pad_len >= mex->inputdatalength)
+			return -ENODEV;
+		vud_len = mex->inputdatalength - pad_len;
+		memmove(msg->text, msg->text + pad_len, vud_len);
+		msg->length = cpu_to_le16(vud_len + 2);
+
+		/* Set up key after the variable length text. */
+		size = zcrypt_type6_mex_key_en(mex, msg->text + vud_len, 0);
+		if (size < 0)
+			return size;
+		size += sizeof(*msg) + vud_len;	/* total size of msg */
+	} else {
+		vud_len = mex->inputdatalength;
+		msg->length = cpu_to_le16(2 + vud_len);
+
+		msg->hdr.function_code[1] = 'D';
+		msg->fr.function_code[1] = 'D';
+
+		/* Set up key after the variable length text. */
+		size = zcrypt_type6_mex_key_de(mex, msg->text + vud_len, 0);
+		if (size < 0)
+			return size;
+		size += sizeof(*msg) + vud_len;	/* total size of msg */
+	}
+
+	/* message header, cprb and f&r */
+	msg->hdr.ToCardLen1 = (size - sizeof(msg->hdr) + 3) & -4;
+	msg->hdr.FromCardLen1 = PCICC_MAX_RESPONSE_SIZE - sizeof(msg->hdr);
+
+	msg->cprb = static_cprb;
+	msg->cprb.usage_domain[0]= AP_QID_QUEUE(zdev->ap_dev->qid);
+	msg->cprb.req_parml = cpu_to_le16(size - sizeof(msg->hdr) -
+					   sizeof(msg->cprb));
+	msg->cprb.rpl_parml = cpu_to_le16(msg->hdr.FromCardLen1);
+
+	ap_msg->length = (size + 3) & -4;
+	return 0;
+}
+
+/**
+ * Convert a ICACRT message to a type6 CRT message.
+ *
+ * @zdev: crypto device pointer
+ * @zreq: crypto request pointer
+ * @crt: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICACRT_msg_to_type6CRT_msg(struct zcrypt_device *zdev,
+				      struct ap_message *ap_msg,
+				      struct ica_rsa_modexpo_crt *crt)
+{
+	static struct type6_hdr static_type6_hdr = {
+		.type		=  0x06,
+		.offset1	=  0x00000058,
+		.agent_id	= {0x01,0x00,0x43,0x43,0x41,0x2D,0x41,0x50,
+				   0x50,0x4C,0x20,0x20,0x20,0x01,0x01,0x01},
+		.function_code	= {'P','D'},
+	};
+	static struct function_and_rules_block static_pkd_function_and_rules ={
+		.function_code	= {'P','D'},
+		.ulen		= __constant_cpu_to_le16(10),
+		.only_rule	= {'P','K','C','S','-','1','.','2'}
+	};
+	struct {
+		struct type6_hdr hdr;
+		struct CPRB cprb;
+		struct function_and_rules_block fr;
+		unsigned short length;
+		char text[0];
+	} __attribute__((packed)) *msg = ap_msg->message;
+	int size;
+
+	/* VUD.ciphertext */
+	msg->length = cpu_to_le16(2 + crt->inputdatalength);
+	if (copy_from_user(msg->text, crt->inputdata, crt->inputdatalength))
+		return -EFAULT;
+
+	if (is_PKCS11_padded(msg->text, crt->inputdatalength))
+		return -EINVAL;
+
+	/* Set up key after the variable length text. */
+	size = zcrypt_type6_crt_key(crt, msg->text + crt->inputdatalength, 0);
+	if (size < 0)
+		return size;
+	size += sizeof(*msg) + crt->inputdatalength;	/* total size of msg */
+
+	/* message header, cprb and f&r */
+	msg->hdr = static_type6_hdr;
+	msg->hdr.ToCardLen1 = (size -  sizeof(msg->hdr) + 3) & -4;
+	msg->hdr.FromCardLen1 = PCICC_MAX_RESPONSE_SIZE - sizeof(msg->hdr);
+
+	msg->cprb = static_cprb;
+	msg->cprb.usage_domain[0] = AP_QID_QUEUE(zdev->ap_dev->qid);
+	msg->cprb.req_parml = msg->cprb.rpl_parml =
+		cpu_to_le16(size - sizeof(msg->hdr) - sizeof(msg->cprb));
+
+	msg->fr = static_pkd_function_and_rules;
+
+	ap_msg->length = (size + 3) & -4;
+	return 0;
+}
+
+/**
+ * Copy results from a type 86 reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @data: pointer to user output data
+ * @length: size of user output data
+ *
+ * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
+ */
+struct type86_reply {
+	struct type86_hdr hdr;
+	struct type86_fmt2_ext fmt2;
+	struct CPRB cprb;
+	unsigned char pad[4];	/* 4 byte function code/rules block ? */
+	unsigned short length;
+	char text[0];
+} __attribute__((packed));
+
+static int convert_type86(struct zcrypt_device *zdev,
+			  struct ap_message *reply,
+			  char __user *outputdata,
+			  unsigned int outputdatalength)
+{
+	static unsigned char static_pad[] = {
+		0x00,0x02,
+		0x1B,0x7B,0x5D,0xB5,0x75,0x01,0x3D,0xFD,
+		0x8D,0xD1,0xC7,0x03,0x2D,0x09,0x23,0x57,
+		0x89,0x49,0xB9,0x3F,0xBB,0x99,0x41,0x5B,
+		0x75,0x21,0x7B,0x9D,0x3B,0x6B,0x51,0x39,
+		0xBB,0x0D,0x35,0xB9,0x89,0x0F,0x93,0xA5,
+		0x0B,0x47,0xF1,0xD3,0xBB,0xCB,0xF1,0x9D,
+		0x23,0x73,0x71,0xFF,0xF3,0xF5,0x45,0xFB,
+		0x61,0x29,0x23,0xFD,0xF1,0x29,0x3F,0x7F,
+		0x17,0xB7,0x1B,0xA9,0x19,0xBD,0x57,0xA9,
+		0xD7,0x95,0xA3,0xCB,0xED,0x1D,0xDB,0x45,
+		0x7D,0x11,0xD1,0x51,0x1B,0xED,0x71,0xE9,
+		0xB1,0xD1,0xAB,0xAB,0x21,0x2B,0x1B,0x9F,
+		0x3B,0x9F,0xF7,0xF7,0xBD,0x63,0xEB,0xAD,
+		0xDF,0xB3,0x6F,0x5B,0xDB,0x8D,0xA9,0x5D,
+		0xE3,0x7D,0x77,0x49,0x47,0xF5,0xA7,0xFD,
+		0xAB,0x2F,0x27,0x35,0x77,0xD3,0x49,0xC9,
+		0x09,0xEB,0xB1,0xF9,0xBF,0x4B,0xCB,0x2B,
+		0xEB,0xEB,0x05,0xFF,0x7D,0xC7,0x91,0x8B,
+		0x09,0x83,0xB9,0xB9,0x69,0x33,0x39,0x6B,
+		0x79,0x75,0x19,0xBF,0xBB,0x07,0x1D,0xBD,
+		0x29,0xBF,0x39,0x95,0x93,0x1D,0x35,0xC7,
+		0xC9,0x4D,0xE5,0x97,0x0B,0x43,0x9B,0xF1,
+		0x16,0x93,0x03,0x1F,0xA5,0xFB,0xDB,0xF3,
+		0x27,0x4F,0x27,0x61,0x05,0x1F,0xB9,0x23,
+		0x2F,0xC3,0x81,0xA9,0x23,0x71,0x55,0x55,
+		0xEB,0xED,0x41,0xE5,0xF3,0x11,0xF1,0x43,
+		0x69,0x03,0xBD,0x0B,0x37,0x0F,0x51,0x8F,
+		0x0B,0xB5,0x89,0x5B,0x67,0xA9,0xD9,0x4F,
+		0x01,0xF9,0x21,0x77,0x37,0x73,0x79,0xC5,
+		0x7F,0x51,0xC1,0xCF,0x97,0xA1,0x75,0xAD,
+		0x35,0x9D,0xD3,0xD3,0xA7,0x9D,0x5D,0x41,
+		0x6F,0x65,0x1B,0xCF,0xA9,0x87,0x91,0x09
+	};
+	struct type86_reply *msg = reply->message;
+	unsigned short service_rc, service_rs;
+	unsigned int reply_len, pad_len;
+	char *data;
+
+	service_rc = le16_to_cpu(msg->cprb.ccp_rtcode);
+	if (unlikely(service_rc != 0)) {
+		service_rs = le16_to_cpu(msg->cprb.ccp_rscode);
+		if (service_rc == 8 && service_rs == 66) {
+			PDEBUG("Bad block format on PCICC\n");
+			return -EINVAL;
+		}
+		if (service_rc == 8 && service_rs == 65) {
+			PDEBUG("Probably an even modulus on PCICC\n");
+			return -EINVAL;
+		}
+		if (service_rc == 8 && service_rs == 770) {
+			PDEBUG("Invalid key length on PCICC\n");
+			zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
+			return -EAGAIN;
+		}
+		if (service_rc == 8 && service_rs == 783) {
+			PDEBUG("Extended bitlengths not enabled on PCICC\n");
+			zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
+			return -EAGAIN;
+		}
+		PRINTK("Unknown service rc/rs (PCICC): %d/%d\n",
+		       service_rc, service_rs);
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+	data = msg->text;
+	reply_len = le16_to_cpu(msg->length) - 2;
+	if (reply_len > outputdatalength)
+		return -EINVAL;
+	/**
+	 * For all encipher requests, the length of the ciphertext (reply_len)
+	 * will always equal the modulus length. For MEX decipher requests
+	 * the output needs to get padded. Minimum pad size is 10.
+	 *
+	 * Currently, the cases where padding will be added is for:
+	 * - PCIXCC_MCL2 using a CRT form token (since PKD didn't support
+	 *   ZERO-PAD and CRT is only supported for PKD requests)
+	 * - PCICC, always
+	 */
+	pad_len = outputdatalength - reply_len;
+	if (pad_len > 0) {
+		if (pad_len < 10)
+			return -EINVAL;
+		/* 'restore' padding left in the PCICC/PCIXCC card. */
+		if (copy_to_user(outputdata, static_pad, pad_len - 1))
+			return -EFAULT;
+		if (put_user(0, outputdata + pad_len - 1))
+			return -EFAULT;
+	}
+	/* Copy the crypto response to user space. */
+	if (copy_to_user(outputdata + pad_len, data, reply_len))
+		return -EFAULT;
+	return 0;
+}
+
+static int convert_response(struct zcrypt_device *zdev,
+			    struct ap_message *reply,
+			    char __user *outputdata,
+			    unsigned int outputdatalength)
+{
+	struct type86_reply *msg = reply->message;
+
+	/* Response type byte is the second byte in the response. */
+	switch (msg->hdr.type) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		return convert_error(zdev, reply);
+	case TYPE86_RSP_CODE:
+		if (msg->hdr.reply_code)
+			return convert_error(zdev, reply);
+		if (msg->cprb.cprb_ver_id == 0x01)
+			return convert_type86(zdev, reply,
+					      outputdata, outputdatalength);
+		/* no break, incorrect cprb version is an unknown response */
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+/**
+ * This function is called from the AP bus code after a crypto request
+ * "msg" has finished with the reply message "reply".
+ * It is called from tasklet context.
+ * @ap_dev: pointer to the AP device
+ * @msg: pointer to the AP message
+ * @reply: pointer to the AP reply message
+ */
+static void zcrypt_pcicc_receive(struct ap_device *ap_dev,
+				 struct ap_message *msg,
+				 struct ap_message *reply)
+{
+	static struct error_hdr error_reply = {
+		.type = TYPE82_RSP_CODE,
+		.reply_code = REP82_ERROR_MACHINE_FAILURE,
+	};
+	struct type86_reply *t86r = reply->message;
+	int length;
+
+	/* Copy the reply message to the request message buffer. */
+	if (IS_ERR(reply))
+		memcpy(msg->message, &error_reply, sizeof(error_reply));
+	else if (t86r->hdr.type == TYPE86_RSP_CODE &&
+		 t86r->cprb.cprb_ver_id == 0x01) {
+		length = sizeof(struct type86_reply) + t86r->length - 2;
+		length = min(PCICC_MAX_RESPONSE_SIZE, length);
+		memcpy(msg->message, reply->message, length);
+	} else
+		memcpy(msg->message, reply->message, sizeof error_reply);
+	complete((struct completion *) msg->private);
+}
+
+static atomic_t zcrypt_step = ATOMIC_INIT(0);
+
+/**
+ * The request distributor calls this function if it picked the PCICC
+ * device to handle a modexpo request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCICC device to the request distributor
+ * @mex: pointer to the modexpo request buffer
+ */
+static long zcrypt_pcicc_modexpo(struct zcrypt_device *zdev,
+				 struct ica_rsa_modexpo *mex)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.length = PAGE_SIZE;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICAMEX_msg_to_type6MEX_msg(zdev, &ap_msg, mex);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, PCICC_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, mex->outputdata,
+				      mex->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	free_page((unsigned long) ap_msg.message);
+	return rc;
+}
+
+/**
+ * The request distributor calls this function if it picked the PCICC
+ * device to handle a modexpo_crt request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCICC device to the request distributor
+ * @crt: pointer to the modexpoc_crt request buffer
+ */
+static long zcrypt_pcicc_modexpo_crt(struct zcrypt_device *zdev,
+				     struct ica_rsa_modexpo_crt *crt)
+{
+	struct ap_message ap_msg;
+	struct completion work;
+	int rc;
+
+	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.length = PAGE_SIZE;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &work;
+	rc = ICACRT_msg_to_type6CRT_msg(zdev, &ap_msg, crt);
+	if (rc)
+		goto out_free;
+	init_completion(&work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&work, PCICC_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response(zdev, &ap_msg, crt->outputdata,
+				      crt->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	free_page((unsigned long) ap_msg.message);
+	return rc;
+}
+
+/**
+ * The crypto operations for a PCICC card.
+ */
+static struct zcrypt_ops zcrypt_pcicc_ops = {
+	.rsa_modexpo = zcrypt_pcicc_modexpo,
+	.rsa_modexpo_crt = zcrypt_pcicc_modexpo_crt,
+};
+
+/**
+ * Probe function for PCICC cards. It always accepts the AP device
+ * since the bus_match already checked the hardware type.
+ * @ap_dev: pointer to the AP device.
+ */
+static int zcrypt_pcicc_probe(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	zdev = zcrypt_device_alloc(PCICC_MAX_RESPONSE_SIZE);
+	if (!zdev)
+		return -ENOMEM;
+	zdev->ap_dev = ap_dev;
+	zdev->ops = &zcrypt_pcicc_ops;
+	zdev->online = 1;
+	zdev->user_space_type = ZCRYPT_PCICC;
+	zdev->type_string = "PCICC";
+	zdev->min_mod_size = PCICC_MIN_MOD_SIZE;
+	zdev->max_mod_size = PCICC_MAX_MOD_SIZE;
+	zdev->speed_rating = PCICC_SPEED_RATING;
+	ap_dev->reply = &zdev->reply;
+	ap_dev->private = zdev;
+	rc = zcrypt_device_register(zdev);
+	if (rc)
+		goto out_free;
+	return 0;
+
+ out_free:
+	ap_dev->private = NULL;
+	zcrypt_device_free(zdev);
+	return rc;
+}
+
+/**
+ * This is called to remove the extended PCICC driver information
+ * if an AP device is removed.
+ */
+static void zcrypt_pcicc_remove(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev = ap_dev->private;
+
+	zcrypt_device_unregister(zdev);
+}
+
+int __init zcrypt_pcicc_init(void)
+{
+	return ap_driver_register(&zcrypt_pcicc_driver, THIS_MODULE, "pcicc");
+}
+
+void zcrypt_pcicc_exit(void)
+{
+	ap_driver_unregister(&zcrypt_pcicc_driver);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(zcrypt_pcicc_init);
+module_exit(zcrypt_pcicc_exit);
+#endif
diff --git a/drivers/s390/crypto/zcrypt_pcicc.h b/drivers/s390/crypto/zcrypt_pcicc.h
new file mode 100644
index 00000000000..6d4454846c8
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcicc.h
@@ -0,0 +1,176 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcicc.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_PCICC_H_
+#define _ZCRYPT_PCICC_H_
+
+/**
+ * The type 6 message family is associated with PCICC or PCIXCC cards.
+ *
+ * It contains a message header followed by a CPRB, both of which
+ * are described below.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+struct type6_hdr {
+	unsigned char reserved1;	/* 0x00				*/
+	unsigned char type;		/* 0x06				*/
+	unsigned char reserved2[2];	/* 0x0000			*/
+	unsigned char right[4];		/* 0x00000000			*/
+	unsigned char reserved3[2];	/* 0x0000			*/
+	unsigned char reserved4[2];	/* 0x0000			*/
+	unsigned char apfs[4];		/* 0x00000000			*/
+	unsigned int  offset1;		/* 0x00000058 (offset to CPRB)	*/
+	unsigned int  offset2;		/* 0x00000000			*/
+	unsigned int  offset3;		/* 0x00000000			*/
+	unsigned int  offset4;		/* 0x00000000			*/
+	unsigned char agent_id[16];	/* PCICC:			*/
+					/*    0x0100			*/
+					/*    0x4343412d4150504c202020	*/
+					/*    0x010101			*/
+					/* PCIXCC:			*/
+					/*    0x4341000000000000	*/
+					/*    0x0000000000000000	*/
+	unsigned char rqid[2];		/* rqid.  internal to 603	*/
+	unsigned char reserved5[2];	/* 0x0000			*/
+	unsigned char function_code[2];	/* for PKD, 0x5044 (ascii 'PD')	*/
+	unsigned char reserved6[2];	/* 0x0000			*/
+	unsigned int  ToCardLen1;	/* (request CPRB len + 3) & -4	*/
+	unsigned int  ToCardLen2;	/* db len 0x00000000 for PKD	*/
+	unsigned int  ToCardLen3;	/* 0x00000000			*/
+	unsigned int  ToCardLen4;	/* 0x00000000			*/
+	unsigned int  FromCardLen1;	/* response buffer length	*/
+	unsigned int  FromCardLen2;	/* db len 0x00000000 for PKD	*/
+	unsigned int  FromCardLen3;	/* 0x00000000			*/
+	unsigned int  FromCardLen4;	/* 0x00000000			*/
+} __attribute__((packed));
+
+/**
+ * CPRB
+ *	  Note that all shorts, ints and longs are little-endian.
+ *	  All pointer fields are 32-bits long, and mean nothing
+ *
+ *	  A request CPRB is followed by a request_parameter_block.
+ *
+ *	  The request (or reply) parameter block is organized thus:
+ *	    function code
+ *	    VUD block
+ *	    key block
+ */
+struct CPRB {
+	unsigned short cprb_len;	/* CPRB length			 */
+	unsigned char cprb_ver_id;	/* CPRB version id.		 */
+	unsigned char pad_000;		/* Alignment pad byte.		 */
+	unsigned char srpi_rtcode[4];	/* SRPI return code LELONG	 */
+	unsigned char srpi_verb;	/* SRPI verb type		 */
+	unsigned char flags;		/* flags			 */
+	unsigned char func_id[2];	/* function id			 */
+	unsigned char checkpoint_flag;	/*				 */
+	unsigned char resv2;		/* reserved			 */
+	unsigned short req_parml;	/* request parameter buffer	 */
+					/* length 16-bit little endian	 */
+	unsigned char req_parmp[4];	/* request parameter buffer	 *
+					 * pointer (means nothing: the	 *
+					 * parameter buffer follows	 *
+					 * the CPRB).			 */
+	unsigned char req_datal[4];	/* request data buffer		 */
+					/* length	  ULELONG	 */
+	unsigned char req_datap[4];	/* request data buffer		 */
+					/* pointer			 */
+	unsigned short rpl_parml;	/* reply  parameter buffer	 */
+					/* length 16-bit little endian	 */
+	unsigned char pad_001[2];	/* Alignment pad bytes. ULESHORT */
+	unsigned char rpl_parmp[4];	/* reply parameter buffer	 *
+					 * pointer (means nothing: the	 *
+					 * parameter buffer follows	 *
+					 * the CPRB).			 */
+	unsigned char rpl_datal[4];	/* reply data buffer len ULELONG */
+	unsigned char rpl_datap[4];	/* reply data buffer		 */
+					/* pointer			 */
+	unsigned short ccp_rscode;	/* server reason code	ULESHORT */
+	unsigned short ccp_rtcode;	/* server return code	ULESHORT */
+	unsigned char repd_parml[2];	/* replied parameter len ULESHORT*/
+	unsigned char mac_data_len[2];	/* Mac Data Length	ULESHORT */
+	unsigned char repd_datal[4];	/* replied data length	ULELONG	 */
+	unsigned char req_pc[2];	/* PC identifier		 */
+	unsigned char res_origin[8];	/* resource origin		 */
+	unsigned char mac_value[8];	/* Mac Value			 */
+	unsigned char logon_id[8];	/* Logon Identifier		 */
+	unsigned char usage_domain[2];	/* cdx				 */
+	unsigned char resv3[18];	/* reserved for requestor	 */
+	unsigned short svr_namel;	/* server name length  ULESHORT	 */
+	unsigned char svr_name[8];	/* server name			 */
+} __attribute__((packed));
+
+/**
+ * The type 86 message family is associated with PCICC and PCIXCC cards.
+ *
+ * It contains a message header followed by a CPRB.  The CPRB is
+ * the same as the request CPRB, which is described above.
+ *
+ * If format is 1, an error condition exists and no data beyond
+ * the 8-byte message header is of interest.
+ *
+ * The non-error message is shown below.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+struct type86_hdr {
+	unsigned char reserved1;	/* 0x00				*/
+	unsigned char type;		/* 0x86				*/
+	unsigned char format;		/* 0x01 (error) or 0x02 (ok)	*/
+	unsigned char reserved2;	/* 0x00				*/
+	unsigned char reply_code;	/* reply code (see above)	*/
+	unsigned char reserved3[3];	/* 0x000000			*/
+} __attribute__((packed));
+
+#define TYPE86_RSP_CODE 0x86
+#define TYPE86_FMT2	0x02
+
+struct type86_fmt2_ext {
+	unsigned char	  reserved[4];	/* 0x00000000			*/
+	unsigned char	  apfs[4];	/* final status			*/
+	unsigned int	  count1;	/* length of CPRB + parameters	*/
+	unsigned int	  offset1;	/* offset to CPRB		*/
+	unsigned int	  count2;	/* 0x00000000			*/
+	unsigned int	  offset2;	/* db offset 0x00000000 for PKD	*/
+	unsigned int	  count3;	/* 0x00000000			*/
+	unsigned int	  offset3;	/* 0x00000000			*/
+	unsigned int	  count4;	/* 0x00000000			*/
+	unsigned int	  offset4;	/* 0x00000000			*/
+} __attribute__((packed));
+
+struct function_and_rules_block {
+	unsigned char function_code[2];
+	unsigned short ulen;
+	unsigned char only_rule[8];
+} __attribute__((packed));
+
+int zcrypt_pcicc_init(void);
+void zcrypt_pcicc_exit(void);
+
+#endif /* _ZCRYPT_PCICC_H_ */
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
new file mode 100644
index 00000000000..2da8b938140
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -0,0 +1,951 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcixcc.c
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *				  Ralph Wuerthner <rwuerthn@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#include "ap_bus.h"
+#include "zcrypt_api.h"
+#include "zcrypt_error.h"
+#include "zcrypt_pcicc.h"
+#include "zcrypt_pcixcc.h"
+#include "zcrypt_cca_key.h"
+
+#define PCIXCC_MIN_MOD_SIZE	 16	/*  128 bits	*/
+#define PCIXCC_MIN_MOD_SIZE_OLD	 64	/*  512 bits	*/
+#define PCIXCC_MAX_MOD_SIZE	256	/* 2048 bits	*/
+
+#define PCIXCC_MCL2_SPEED_RATING	7870	/* FIXME: needs finetuning */
+#define PCIXCC_MCL3_SPEED_RATING	7870
+#define CEX2C_SPEED_RATING		8540
+
+#define PCIXCC_MAX_ICA_MESSAGE_SIZE 0x77c  /* max size type6 v2 crt message */
+#define PCIXCC_MAX_ICA_RESPONSE_SIZE 0x77c /* max size type86 v2 reply	    */
+
+#define PCIXCC_MAX_XCRB_MESSAGE_SIZE (12*1024)
+#define PCIXCC_MAX_XCRB_RESPONSE_SIZE PCIXCC_MAX_XCRB_MESSAGE_SIZE
+#define PCIXCC_MAX_XCRB_DATA_SIZE (11*1024)
+#define PCIXCC_MAX_XCRB_REPLY_SIZE (5*1024)
+
+#define PCIXCC_MAX_RESPONSE_SIZE PCIXCC_MAX_XCRB_RESPONSE_SIZE
+
+#define PCIXCC_CLEANUP_TIME	(15*HZ)
+
+#define CEIL4(x) ((((x)+3)/4)*4)
+
+struct response_type {
+	struct completion work;
+	int type;
+};
+#define PCIXCC_RESPONSE_TYPE_ICA  0
+#define PCIXCC_RESPONSE_TYPE_XCRB 1
+
+static struct ap_device_id zcrypt_pcixcc_ids[] = {
+	{ AP_DEVICE(AP_DEVICE_TYPE_PCIXCC) },
+	{ AP_DEVICE(AP_DEVICE_TYPE_CEX2C) },
+	{ /* end of list */ },
+};
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+MODULE_DEVICE_TABLE(ap, zcrypt_pcixcc_ids);
+MODULE_AUTHOR("IBM Corporation");
+MODULE_DESCRIPTION("PCIXCC Cryptographic Coprocessor device driver, "
+		   "Copyright 2001, 2006 IBM Corporation");
+MODULE_LICENSE("GPL");
+#endif
+
+static int zcrypt_pcixcc_probe(struct ap_device *ap_dev);
+static void zcrypt_pcixcc_remove(struct ap_device *ap_dev);
+static void zcrypt_pcixcc_receive(struct ap_device *, struct ap_message *,
+				 struct ap_message *);
+
+static struct ap_driver zcrypt_pcixcc_driver = {
+	.probe = zcrypt_pcixcc_probe,
+	.remove = zcrypt_pcixcc_remove,
+	.receive = zcrypt_pcixcc_receive,
+	.ids = zcrypt_pcixcc_ids,
+};
+
+/**
+ * The following is used to initialize the CPRBX passed to the PCIXCC/CEX2C
+ * card in a type6 message. The 3 fields that must be filled in at execution
+ * time are  req_parml, rpl_parml and usage_domain.
+ * Everything about this interface is ascii/big-endian, since the
+ * device does *not* have 'Intel inside'.
+ *
+ * The CPRBX is followed immediately by the parm block.
+ * The parm block contains:
+ * - function code ('PD' 0x5044 or 'PK' 0x504B)
+ * - rule block (one of:)
+ *   + 0x000A 'PKCS-1.2' (MCL2 'PD')
+ *   + 0x000A 'ZERO-PAD' (MCL2 'PK')
+ *   + 0x000A 'ZERO-PAD' (MCL3 'PD' or CEX2C 'PD')
+ *   + 0x000A 'MRP     ' (MCL3 'PK' or CEX2C 'PK')
+ * - VUD block
+ */
+static struct CPRBX static_cprbx = {
+	.cprb_len	=  0x00DC,
+	.cprb_ver_id	=  0x02,
+	.func_id	= {0x54,0x32},
+};
+
+/**
+ * Convert a ICAMEX message to a type6 MEX message.
+ *
+ * @zdev: crypto device pointer
+ * @ap_msg: pointer to AP message
+ * @mex: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICAMEX_msg_to_type6MEX_msgX(struct zcrypt_device *zdev,
+				       struct ap_message *ap_msg,
+				       struct ica_rsa_modexpo *mex)
+{
+	static struct type6_hdr static_type6_hdrX = {
+		.type		=  0x06,
+		.offset1	=  0x00000058,
+		.agent_id	= {'C','A',},
+		.function_code	= {'P','K'},
+	};
+	static struct function_and_rules_block static_pke_fnr = {
+		.function_code	= {'P','K'},
+		.ulen		= 10,
+		.only_rule	= {'M','R','P',' ',' ',' ',' ',' '}
+	};
+	static struct function_and_rules_block static_pke_fnr_MCL2 = {
+		.function_code	= {'P','K'},
+		.ulen		= 10,
+		.only_rule	= {'Z','E','R','O','-','P','A','D'}
+	};
+	struct {
+		struct type6_hdr hdr;
+		struct CPRBX cprbx;
+		struct function_and_rules_block fr;
+		unsigned short length;
+		char text[0];
+	} __attribute__((packed)) *msg = ap_msg->message;
+	int size;
+
+	/* VUD.ciphertext */
+	msg->length = mex->inputdatalength + 2;
+	if (copy_from_user(msg->text, mex->inputdata, mex->inputdatalength))
+		return -EFAULT;
+
+	/* Set up key which is located after the variable length text. */
+	size = zcrypt_type6_mex_key_en(mex, msg->text+mex->inputdatalength, 1);
+	if (size < 0)
+		return size;
+	size += sizeof(*msg) + mex->inputdatalength;
+
+	/* message header, cprbx and f&r */
+	msg->hdr = static_type6_hdrX;
+	msg->hdr.ToCardLen1 = size - sizeof(msg->hdr);
+	msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
+
+	msg->cprbx = static_cprbx;
+	msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
+	msg->cprbx.rpl_msgbl = msg->hdr.FromCardLen1;
+
+	msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
+		static_pke_fnr_MCL2 : static_pke_fnr;
+
+	msg->cprbx.req_parml = size - sizeof(msg->hdr) - sizeof(msg->cprbx);
+
+	ap_msg->length = size;
+	return 0;
+}
+
+/**
+ * Convert a ICACRT message to a type6 CRT message.
+ *
+ * @zdev: crypto device pointer
+ * @ap_msg: pointer to AP message
+ * @crt: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+static int ICACRT_msg_to_type6CRT_msgX(struct zcrypt_device *zdev,
+				       struct ap_message *ap_msg,
+				       struct ica_rsa_modexpo_crt *crt)
+{
+	static struct type6_hdr static_type6_hdrX = {
+		.type		=  0x06,
+		.offset1	=  0x00000058,
+		.agent_id	= {'C','A',},
+		.function_code	= {'P','D'},
+	};
+	static struct function_and_rules_block static_pkd_fnr = {
+		.function_code	= {'P','D'},
+		.ulen		= 10,
+		.only_rule	= {'Z','E','R','O','-','P','A','D'}
+	};
+
+	static struct function_and_rules_block static_pkd_fnr_MCL2 = {
+		.function_code	= {'P','D'},
+		.ulen		= 10,
+		.only_rule	= {'P','K','C','S','-','1','.','2'}
+	};
+	struct {
+		struct type6_hdr hdr;
+		struct CPRBX cprbx;
+		struct function_and_rules_block fr;
+		unsigned short length;
+		char text[0];
+	} __attribute__((packed)) *msg = ap_msg->message;
+	int size;
+
+	/* VUD.ciphertext */
+	msg->length = crt->inputdatalength + 2;
+	if (copy_from_user(msg->text, crt->inputdata, crt->inputdatalength))
+		return -EFAULT;
+
+	/* Set up key which is located after the variable length text. */
+	size = zcrypt_type6_crt_key(crt, msg->text + crt->inputdatalength, 1);
+	if (size < 0)
+		return size;
+	size += sizeof(*msg) + crt->inputdatalength;	/* total size of msg */
+
+	/* message header, cprbx and f&r */
+	msg->hdr = static_type6_hdrX;
+	msg->hdr.ToCardLen1 = size -  sizeof(msg->hdr);
+	msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
+
+	msg->cprbx = static_cprbx;
+	msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
+	msg->cprbx.req_parml = msg->cprbx.rpl_msgbl =
+		size - sizeof(msg->hdr) - sizeof(msg->cprbx);
+
+	msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
+		static_pkd_fnr_MCL2 : static_pkd_fnr;
+
+	ap_msg->length = size;
+	return 0;
+}
+
+/**
+ * Convert a XCRB message to a type6 CPRB message.
+ *
+ * @zdev: crypto device pointer
+ * @ap_msg: pointer to AP message
+ * @xcRB: pointer to user input data
+ *
+ * Returns 0 on success or -EFAULT.
+ */
+struct type86_fmt2_msg {
+	struct type86_hdr hdr;
+	struct type86_fmt2_ext fmt2;
+} __attribute__((packed));
+
+static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
+				       struct ap_message *ap_msg,
+				       struct ica_xcRB *xcRB)
+{
+	static struct type6_hdr static_type6_hdrX = {
+		.type		=  0x06,
+		.offset1	=  0x00000058,
+	};
+	struct {
+		struct type6_hdr hdr;
+		struct ica_CPRBX cprbx;
+	} __attribute__((packed)) *msg = ap_msg->message;
+
+	int rcblen = CEIL4(xcRB->request_control_blk_length);
+	int replylen;
+	char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
+	char *function_code;
+
+	/* length checks */
+	ap_msg->length = sizeof(struct type6_hdr) +
+		CEIL4(xcRB->request_control_blk_length) +
+		xcRB->request_data_length;
+	if (ap_msg->length > PCIXCC_MAX_XCRB_MESSAGE_SIZE) {
+		PRINTK("Combined message is too large (%ld/%d/%d).\n",
+		    sizeof(struct type6_hdr),
+		    xcRB->request_control_blk_length,
+		    xcRB->request_data_length);
+		return -EFAULT;
+	}
+	if (CEIL4(xcRB->reply_control_blk_length) >
+	    PCIXCC_MAX_XCRB_REPLY_SIZE) {
+		PDEBUG("Reply CPRB length is too large (%d).\n",
+		    xcRB->request_control_blk_length);
+		return -EFAULT;
+	}
+	if (CEIL4(xcRB->reply_data_length) > PCIXCC_MAX_XCRB_DATA_SIZE) {
+		PDEBUG("Reply data block length is too large (%d).\n",
+		    xcRB->reply_data_length);
+		return -EFAULT;
+	}
+	replylen = CEIL4(xcRB->reply_control_blk_length) +
+		CEIL4(xcRB->reply_data_length) +
+		sizeof(struct type86_fmt2_msg);
+	if (replylen > PCIXCC_MAX_XCRB_RESPONSE_SIZE) {
+		PDEBUG("Reply CPRB + data block > PCIXCC_MAX_XCRB_RESPONSE_SIZE"
+		       " (%d/%d/%d).\n",
+		       sizeof(struct type86_fmt2_msg),
+		       xcRB->reply_control_blk_length,
+		       xcRB->reply_data_length);
+		xcRB->reply_control_blk_length = PCIXCC_MAX_XCRB_RESPONSE_SIZE -
+			(sizeof(struct type86_fmt2_msg) +
+			    CEIL4(xcRB->reply_data_length));
+		PDEBUG("Capping Reply CPRB length at %d\n",
+		       xcRB->reply_control_blk_length);
+	}
+
+	/* prepare type6 header */
+	msg->hdr = static_type6_hdrX;
+	memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
+	msg->hdr.ToCardLen1 = xcRB->request_control_blk_length;
+	if (xcRB->request_data_length) {
+		msg->hdr.offset2 = msg->hdr.offset1 + rcblen;
+		msg->hdr.ToCardLen2 = xcRB->request_data_length;
+	}
+	msg->hdr.FromCardLen1 = xcRB->reply_control_blk_length;
+	msg->hdr.FromCardLen2 = xcRB->reply_data_length;
+
+	/* prepare CPRB */
+	if (copy_from_user(&(msg->cprbx), xcRB->request_control_blk_addr,
+		    xcRB->request_control_blk_length))
+		return -EFAULT;
+	if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
+	    xcRB->request_control_blk_length) {
+		PDEBUG("cprb_len too large (%d/%d)\n", msg->cprbx.cprb_len,
+		    xcRB->request_control_blk_length);
+		return -EFAULT;
+	}
+	function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
+	memcpy(msg->hdr.function_code, function_code, sizeof(msg->hdr.function_code));
+
+	/* copy data block */
+	if (xcRB->request_data_length &&
+	    copy_from_user(req_data, xcRB->request_data_address,
+		xcRB->request_data_length))
+		return -EFAULT;
+	return 0;
+}
+
+/**
+ * Copy results from a type 86 ICA reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @data: pointer to user output data
+ * @length: size of user output data
+ *
+ * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
+ */
+struct type86x_reply {
+	struct type86_hdr hdr;
+	struct type86_fmt2_ext fmt2;
+	struct CPRBX cprbx;
+	unsigned char pad[4];	/* 4 byte function code/rules block ? */
+	unsigned short length;
+	char text[0];
+} __attribute__((packed));
+
+static int convert_type86_ica(struct zcrypt_device *zdev,
+			  struct ap_message *reply,
+			  char __user *outputdata,
+			  unsigned int outputdatalength)
+{
+	static unsigned char static_pad[] = {
+		0x00,0x02,
+		0x1B,0x7B,0x5D,0xB5,0x75,0x01,0x3D,0xFD,
+		0x8D,0xD1,0xC7,0x03,0x2D,0x09,0x23,0x57,
+		0x89,0x49,0xB9,0x3F,0xBB,0x99,0x41,0x5B,
+		0x75,0x21,0x7B,0x9D,0x3B,0x6B,0x51,0x39,
+		0xBB,0x0D,0x35,0xB9,0x89,0x0F,0x93,0xA5,
+		0x0B,0x47,0xF1,0xD3,0xBB,0xCB,0xF1,0x9D,
+		0x23,0x73,0x71,0xFF,0xF3,0xF5,0x45,0xFB,
+		0x61,0x29,0x23,0xFD,0xF1,0x29,0x3F,0x7F,
+		0x17,0xB7,0x1B,0xA9,0x19,0xBD,0x57,0xA9,
+		0xD7,0x95,0xA3,0xCB,0xED,0x1D,0xDB,0x45,
+		0x7D,0x11,0xD1,0x51,0x1B,0xED,0x71,0xE9,
+		0xB1,0xD1,0xAB,0xAB,0x21,0x2B,0x1B,0x9F,
+		0x3B,0x9F,0xF7,0xF7,0xBD,0x63,0xEB,0xAD,
+		0xDF,0xB3,0x6F,0x5B,0xDB,0x8D,0xA9,0x5D,
+		0xE3,0x7D,0x77,0x49,0x47,0xF5,0xA7,0xFD,
+		0xAB,0x2F,0x27,0x35,0x77,0xD3,0x49,0xC9,
+		0x09,0xEB,0xB1,0xF9,0xBF,0x4B,0xCB,0x2B,
+		0xEB,0xEB,0x05,0xFF,0x7D,0xC7,0x91,0x8B,
+		0x09,0x83,0xB9,0xB9,0x69,0x33,0x39,0x6B,
+		0x79,0x75,0x19,0xBF,0xBB,0x07,0x1D,0xBD,
+		0x29,0xBF,0x39,0x95,0x93,0x1D,0x35,0xC7,
+		0xC9,0x4D,0xE5,0x97,0x0B,0x43,0x9B,0xF1,
+		0x16,0x93,0x03,0x1F,0xA5,0xFB,0xDB,0xF3,
+		0x27,0x4F,0x27,0x61,0x05,0x1F,0xB9,0x23,
+		0x2F,0xC3,0x81,0xA9,0x23,0x71,0x55,0x55,
+		0xEB,0xED,0x41,0xE5,0xF3,0x11,0xF1,0x43,
+		0x69,0x03,0xBD,0x0B,0x37,0x0F,0x51,0x8F,
+		0x0B,0xB5,0x89,0x5B,0x67,0xA9,0xD9,0x4F,
+		0x01,0xF9,0x21,0x77,0x37,0x73,0x79,0xC5,
+		0x7F,0x51,0xC1,0xCF,0x97,0xA1,0x75,0xAD,
+		0x35,0x9D,0xD3,0xD3,0xA7,0x9D,0x5D,0x41,
+		0x6F,0x65,0x1B,0xCF,0xA9,0x87,0x91,0x09
+	};
+	struct type86x_reply *msg = reply->message;
+	unsigned short service_rc, service_rs;
+	unsigned int reply_len, pad_len;
+	char *data;
+
+	service_rc = msg->cprbx.ccp_rtcode;
+	if (unlikely(service_rc != 0)) {
+		service_rs = msg->cprbx.ccp_rscode;
+		if (service_rc == 8 && service_rs == 66) {
+			PDEBUG("Bad block format on PCIXCC/CEX2C\n");
+			return -EINVAL;
+		}
+		if (service_rc == 8 && service_rs == 65) {
+			PDEBUG("Probably an even modulus on PCIXCC/CEX2C\n");
+			return -EINVAL;
+		}
+		if (service_rc == 8 && service_rs == 770) {
+			PDEBUG("Invalid key length on PCIXCC/CEX2C\n");
+			zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
+			return -EAGAIN;
+		}
+		if (service_rc == 8 && service_rs == 783) {
+			PDEBUG("Extended bitlengths not enabled on PCIXCC/CEX2C\n");
+			zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
+			return -EAGAIN;
+		}
+		PRINTK("Unknown service rc/rs (PCIXCC/CEX2C): %d/%d\n",
+		       service_rc, service_rs);
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+	data = msg->text;
+	reply_len = msg->length - 2;
+	if (reply_len > outputdatalength)
+		return -EINVAL;
+	/**
+	 * For all encipher requests, the length of the ciphertext (reply_len)
+	 * will always equal the modulus length. For MEX decipher requests
+	 * the output needs to get padded. Minimum pad size is 10.
+	 *
+	 * Currently, the cases where padding will be added is for:
+	 * - PCIXCC_MCL2 using a CRT form token (since PKD didn't support
+	 *   ZERO-PAD and CRT is only supported for PKD requests)
+	 * - PCICC, always
+	 */
+	pad_len = outputdatalength - reply_len;
+	if (pad_len > 0) {
+		if (pad_len < 10)
+			return -EINVAL;
+		/* 'restore' padding left in the PCICC/PCIXCC card. */
+		if (copy_to_user(outputdata, static_pad, pad_len - 1))
+			return -EFAULT;
+		if (put_user(0, outputdata + pad_len - 1))
+			return -EFAULT;
+	}
+	/* Copy the crypto response to user space. */
+	if (copy_to_user(outputdata + pad_len, data, reply_len))
+		return -EFAULT;
+	return 0;
+}
+
+/**
+ * Copy results from a type 86 XCRB reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @xcRB: pointer to XCRB
+ *
+ * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
+ */
+static int convert_type86_xcrb(struct zcrypt_device *zdev,
+			       struct ap_message *reply,
+			       struct ica_xcRB *xcRB)
+{
+	struct type86_fmt2_msg *msg = reply->message;
+	char *data = reply->message;
+
+	/* Copy CPRB to user */
+	if (copy_to_user(xcRB->reply_control_blk_addr,
+		data + msg->fmt2.offset1, msg->fmt2.count1))
+		return -EFAULT;
+	xcRB->reply_control_blk_length = msg->fmt2.count1;
+
+	/* Copy data buffer to user */
+	if (msg->fmt2.count2)
+		if (copy_to_user(xcRB->reply_data_addr,
+			data + msg->fmt2.offset2, msg->fmt2.count2))
+			return -EFAULT;
+	xcRB->reply_data_length = msg->fmt2.count2;
+	return 0;
+}
+
+static int convert_response_ica(struct zcrypt_device *zdev,
+			    struct ap_message *reply,
+			    char __user *outputdata,
+			    unsigned int outputdatalength)
+{
+	struct type86x_reply *msg = reply->message;
+
+	/* Response type byte is the second byte in the response. */
+	switch (((unsigned char *) reply->message)[1]) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		return convert_error(zdev, reply);
+	case TYPE86_RSP_CODE:
+		if (msg->hdr.reply_code)
+			return convert_error(zdev, reply);
+		if (msg->cprbx.cprb_ver_id == 0x02)
+			return convert_type86_ica(zdev, reply,
+						  outputdata, outputdatalength);
+		/* no break, incorrect cprb version is an unknown response */
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+static int convert_response_xcrb(struct zcrypt_device *zdev,
+			    struct ap_message *reply,
+			    struct ica_xcRB *xcRB)
+{
+	struct type86x_reply *msg = reply->message;
+
+	/* Response type byte is the second byte in the response. */
+	switch (((unsigned char *) reply->message)[1]) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
+		return convert_error(zdev, reply);
+	case TYPE86_RSP_CODE:
+		if (msg->hdr.reply_code) {
+			memcpy(&(xcRB->status), msg->fmt2.apfs, sizeof(u32));
+			return convert_error(zdev, reply);
+		}
+		if (msg->cprbx.cprb_ver_id == 0x02)
+			return convert_type86_xcrb(zdev, reply, xcRB);
+		/* no break, incorrect cprb version is an unknown response */
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
+/**
+ * This function is called from the AP bus code after a crypto request
+ * "msg" has finished with the reply message "reply".
+ * It is called from tasklet context.
+ * @ap_dev: pointer to the AP device
+ * @msg: pointer to the AP message
+ * @reply: pointer to the AP reply message
+ */
+static void zcrypt_pcixcc_receive(struct ap_device *ap_dev,
+				  struct ap_message *msg,
+				  struct ap_message *reply)
+{
+	static struct error_hdr error_reply = {
+		.type = TYPE82_RSP_CODE,
+		.reply_code = REP82_ERROR_MACHINE_FAILURE,
+	};
+	struct response_type *resp_type =
+		(struct response_type *) msg->private;
+	struct type86x_reply *t86r = reply->message;
+	int length;
+
+	/* Copy the reply message to the request message buffer. */
+	if (IS_ERR(reply))
+		memcpy(msg->message, &error_reply, sizeof(error_reply));
+	else if (t86r->hdr.type == TYPE86_RSP_CODE &&
+		 t86r->cprbx.cprb_ver_id == 0x02) {
+		switch (resp_type->type) {
+		case PCIXCC_RESPONSE_TYPE_ICA:
+			length = sizeof(struct type86x_reply)
+				+ t86r->length - 2;
+			length = min(PCIXCC_MAX_ICA_RESPONSE_SIZE, length);
+			memcpy(msg->message, reply->message, length);
+			break;
+		case PCIXCC_RESPONSE_TYPE_XCRB:
+			length = t86r->fmt2.offset2 + t86r->fmt2.count2;
+			length = min(PCIXCC_MAX_XCRB_RESPONSE_SIZE, length);
+			memcpy(msg->message, reply->message, length);
+			break;
+		default:
+			PRINTK("Invalid internal response type: %i\n",
+			    resp_type->type);
+			memcpy(msg->message, &error_reply,
+			    sizeof error_reply);
+		}
+	} else
+		memcpy(msg->message, reply->message, sizeof error_reply);
+	complete(&(resp_type->work));
+}
+
+static atomic_t zcrypt_step = ATOMIC_INIT(0);
+
+/**
+ * The request distributor calls this function if it picked the PCIXCC/CEX2C
+ * device to handle a modexpo request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCIXCC/CEX2C device to the request distributor
+ * @mex: pointer to the modexpo request buffer
+ */
+static long zcrypt_pcixcc_modexpo(struct zcrypt_device *zdev,
+				  struct ica_rsa_modexpo *mex)
+{
+	struct ap_message ap_msg;
+	struct response_type resp_type = {
+		.type = PCIXCC_RESPONSE_TYPE_ICA,
+	};
+	int rc;
+
+	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &resp_type;
+	rc = ICAMEX_msg_to_type6MEX_msgX(zdev, &ap_msg, mex);
+	if (rc)
+		goto out_free;
+	init_completion(&resp_type.work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&resp_type.work, PCIXCC_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response_ica(zdev, &ap_msg, mex->outputdata,
+					  mex->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	free_page((unsigned long) ap_msg.message);
+	return rc;
+}
+
+/**
+ * The request distributor calls this function if it picked the PCIXCC/CEX2C
+ * device to handle a modexpo_crt request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCIXCC/CEX2C device to the request distributor
+ * @crt: pointer to the modexpoc_crt request buffer
+ */
+static long zcrypt_pcixcc_modexpo_crt(struct zcrypt_device *zdev,
+				      struct ica_rsa_modexpo_crt *crt)
+{
+	struct ap_message ap_msg;
+	struct response_type resp_type = {
+		.type = PCIXCC_RESPONSE_TYPE_ICA,
+	};
+	int rc;
+
+	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &resp_type;
+	rc = ICACRT_msg_to_type6CRT_msgX(zdev, &ap_msg, crt);
+	if (rc)
+		goto out_free;
+	init_completion(&resp_type.work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&resp_type.work, PCIXCC_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response_ica(zdev, &ap_msg, crt->outputdata,
+					  crt->outputdatalength);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	free_page((unsigned long) ap_msg.message);
+	return rc;
+}
+
+/**
+ * The request distributor calls this function if it picked the PCIXCC/CEX2C
+ * device to handle a send_cprb request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCIXCC/CEX2C device to the request distributor
+ * @xcRB: pointer to the send_cprb request buffer
+ */
+long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, struct ica_xcRB *xcRB)
+{
+	struct ap_message ap_msg;
+	struct response_type resp_type = {
+		.type = PCIXCC_RESPONSE_TYPE_XCRB,
+	};
+	int rc;
+
+	ap_msg.message = (void *) kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &resp_type;
+	rc = XCRB_msg_to_type6CPRB_msgX(zdev, &ap_msg, xcRB);
+	if (rc)
+		goto out_free;
+	init_completion(&resp_type.work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible_timeout(
+				&resp_type.work, PCIXCC_CLEANUP_TIME);
+	if (rc > 0)
+		rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
+	else {
+		/* Signal pending or message timed out. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+		if (rc == 0)
+			/* Message timed out. */
+			rc = -ETIME;
+	}
+out_free:
+	memset(ap_msg.message, 0x0, ap_msg.length);
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
+ * The crypto operations for a PCIXCC/CEX2C card.
+ */
+static struct zcrypt_ops zcrypt_pcixcc_ops = {
+	.rsa_modexpo = zcrypt_pcixcc_modexpo,
+	.rsa_modexpo_crt = zcrypt_pcixcc_modexpo_crt,
+	.send_cprb = zcrypt_pcixcc_send_cprb,
+};
+
+/**
+ * Micro-code detection function. Its sends a message to a pcixcc card
+ * to find out the microcode level.
+ * @ap_dev: pointer to the AP device.
+ */
+static int zcrypt_pcixcc_mcl(struct ap_device *ap_dev)
+{
+	static unsigned char msg[] = {
+		0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x43,0x41,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x50,0x4B,0x00,0x00,
+		0x00,0x00,0x01,0xC4,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x07,0x24,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0xDC,0x02,0x00,0x00,0x00,0x54,0x32,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE8,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x24,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		0x00,0x00,0x00,0x00,0x50,0x4B,0x00,0x0A,
+		0x4D,0x52,0x50,0x20,0x20,0x20,0x20,0x20,
+		0x00,0x42,0x00,0x01,0x02,0x03,0x04,0x05,
+		0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,
+		0x0E,0x0F,0x00,0x11,0x22,0x33,0x44,0x55,
+		0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,
+		0xEE,0xFF,0xFF,0xEE,0xDD,0xCC,0xBB,0xAA,
+		0x99,0x88,0x77,0x66,0x55,0x44,0x33,0x22,
+		0x11,0x00,0x01,0x23,0x45,0x67,0x89,0xAB,
+		0xCD,0xEF,0xFE,0xDC,0xBA,0x98,0x76,0x54,
+		0x32,0x10,0x00,0x9A,0x00,0x98,0x00,0x00,
+		0x1E,0x00,0x00,0x94,0x00,0x00,0x00,0x00,
+		0x04,0x00,0x00,0x8C,0x00,0x00,0x00,0x40,
+		0x02,0x00,0x00,0x40,0xBA,0xE8,0x23,0x3C,
+		0x75,0xF3,0x91,0x61,0xD6,0x73,0x39,0xCF,
+		0x7B,0x6D,0x8E,0x61,0x97,0x63,0x9E,0xD9,
+		0x60,0x55,0xD6,0xC7,0xEF,0xF8,0x1E,0x63,
+		0x95,0x17,0xCC,0x28,0x45,0x60,0x11,0xC5,
+		0xC4,0x4E,0x66,0xC6,0xE6,0xC3,0xDE,0x8A,
+		0x19,0x30,0xCF,0x0E,0xD7,0xAA,0xDB,0x01,
+		0xD8,0x00,0xBB,0x8F,0x39,0x9F,0x64,0x28,
+		0xF5,0x7A,0x77,0x49,0xCC,0x6B,0xA3,0x91,
+		0x97,0x70,0xE7,0x60,0x1E,0x39,0xE1,0xE5,
+		0x33,0xE1,0x15,0x63,0x69,0x08,0x80,0x4C,
+		0x67,0xC4,0x41,0x8F,0x48,0xDF,0x26,0x98,
+		0xF1,0xD5,0x8D,0x88,0xD9,0x6A,0xA4,0x96,
+		0xC5,0x84,0xD9,0x30,0x49,0x67,0x7D,0x19,
+		0xB1,0xB3,0x45,0x4D,0xB2,0x53,0x9A,0x47,
+		0x3C,0x7C,0x55,0xBF,0xCC,0x85,0x00,0x36,
+		0xF1,0x3D,0x93,0x53
+	};
+	unsigned long long psmid;
+	struct CPRBX *cprbx;
+	char *reply;
+	int rc, i;
+
+	reply = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!reply)
+		return -ENOMEM;
+
+	rc = ap_send(ap_dev->qid, 0x0102030405060708ULL, msg, sizeof(msg));
+	if (rc)
+		goto out_free;
+
+	/* Wait for the test message to complete. */
+	for (i = 0; i < 6; i++) {
+		mdelay(300);
+		rc = ap_recv(ap_dev->qid, &psmid, reply, 4096);
+		if (rc == 0 && psmid == 0x0102030405060708ULL)
+			break;
+	}
+
+	if (i >= 6) {
+		/* Got no answer. */
+		rc = -ENODEV;
+		goto out_free;
+	}
+
+	cprbx = (struct CPRBX *) (reply + 48);
+	if (cprbx->ccp_rtcode == 8 && cprbx->ccp_rscode == 33)
+		rc = ZCRYPT_PCIXCC_MCL2;
+	else
+		rc = ZCRYPT_PCIXCC_MCL3;
+out_free:
+	free_page((unsigned long) reply);
+	return rc;
+}
+
+/**
+ * Probe function for PCIXCC/CEX2C cards. It always accepts the AP device
+ * since the bus_match already checked the hardware type. The PCIXCC
+ * cards come in two flavours: micro code level 2 and micro code level 3.
+ * This is checked by sending a test message to the device.
+ * @ap_dev: pointer to the AP device.
+ */
+static int zcrypt_pcixcc_probe(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	zdev = zcrypt_device_alloc(PCIXCC_MAX_RESPONSE_SIZE);
+	if (!zdev)
+		return -ENOMEM;
+	zdev->ap_dev = ap_dev;
+	zdev->ops = &zcrypt_pcixcc_ops;
+	zdev->online = 1;
+	if (ap_dev->device_type == AP_DEVICE_TYPE_PCIXCC) {
+		rc = zcrypt_pcixcc_mcl(ap_dev);
+		if (rc < 0) {
+			zcrypt_device_free(zdev);
+			return rc;
+		}
+		zdev->user_space_type = rc;
+		if (rc == ZCRYPT_PCIXCC_MCL2) {
+			zdev->type_string = "PCIXCC_MCL2";
+			zdev->speed_rating = PCIXCC_MCL2_SPEED_RATING;
+			zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
+			zdev->max_mod_size = PCIXCC_MAX_MOD_SIZE;
+		} else {
+			zdev->type_string = "PCIXCC_MCL3";
+			zdev->speed_rating = PCIXCC_MCL3_SPEED_RATING;
+			zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE;
+			zdev->max_mod_size = PCIXCC_MAX_MOD_SIZE;
+		}
+	} else {
+		zdev->user_space_type = ZCRYPT_CEX2C;
+		zdev->type_string = "CEX2C";
+		zdev->speed_rating = CEX2C_SPEED_RATING;
+		zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE;
+		zdev->max_mod_size = PCIXCC_MAX_MOD_SIZE;
+	}
+	ap_dev->reply = &zdev->reply;
+	ap_dev->private = zdev;
+	rc = zcrypt_device_register(zdev);
+	if (rc)
+		goto out_free;
+	return 0;
+
+ out_free:
+	ap_dev->private = NULL;
+	zcrypt_device_free(zdev);
+	return rc;
+}
+
+/**
+ * This is called to remove the extended PCIXCC/CEX2C driver information
+ * if an AP device is removed.
+ */
+static void zcrypt_pcixcc_remove(struct ap_device *ap_dev)
+{
+	struct zcrypt_device *zdev = ap_dev->private;
+
+	zcrypt_device_unregister(zdev);
+}
+
+int __init zcrypt_pcixcc_init(void)
+{
+	return ap_driver_register(&zcrypt_pcixcc_driver, THIS_MODULE, "pcixcc");
+}
+
+void zcrypt_pcixcc_exit(void)
+{
+	ap_driver_unregister(&zcrypt_pcixcc_driver);
+}
+
+#ifndef CONFIG_ZCRYPT_MONOLITHIC
+module_init(zcrypt_pcixcc_init);
+module_exit(zcrypt_pcixcc_exit);
+#endif
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.h b/drivers/s390/crypto/zcrypt_pcixcc.h
new file mode 100644
index 00000000000..a78ff307fd1
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_pcixcc.h
@@ -0,0 +1,79 @@
+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcixcc.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_PCIXCC_H_
+#define _ZCRYPT_PCIXCC_H_
+
+/**
+ * CPRBX
+ *	  Note that all shorts and ints are big-endian.
+ *	  All pointer fields are 16 bytes long, and mean nothing.
+ *
+ *	  A request CPRB is followed by a request_parameter_block.
+ *
+ *	  The request (or reply) parameter block is organized thus:
+ *	    function code
+ *	    VUD block
+ *	    key block
+ */
+struct CPRBX {
+	unsigned short cprb_len;	/* CPRB length	      220	 */
+	unsigned char  cprb_ver_id;	/* CPRB version id.   0x02	 */
+	unsigned char  pad_000[3];	/* Alignment pad bytes		 */
+	unsigned char  func_id[2];	/* function id	      0x5432	 */
+	unsigned char  cprb_flags[4];	/* Flags			 */
+	unsigned int   req_parml;	/* request parameter buffer len	 */
+	unsigned int   req_datal;	/* request data buffer		 */
+	unsigned int   rpl_msgbl;	/* reply  message block length	 */
+	unsigned int   rpld_parml;	/* replied parameter block len	 */
+	unsigned int   rpl_datal;	/* reply data block len		 */
+	unsigned int   rpld_datal;	/* replied data block len	 */
+	unsigned int   req_extbl;	/* request extension block len	 */
+	unsigned char  pad_001[4];	/* reserved			 */
+	unsigned int   rpld_extbl;	/* replied extension block len	 */
+	unsigned char  req_parmb[16];	/* request parm block 'address'	 */
+	unsigned char  req_datab[16];	/* request data block 'address'	 */
+	unsigned char  rpl_parmb[16];	/* reply parm block 'address'	 */
+	unsigned char  rpl_datab[16];	/* reply data block 'address'	 */
+	unsigned char  req_extb[16];	/* request extension block 'addr'*/
+	unsigned char  rpl_extb[16];	/* reply extension block 'addres'*/
+	unsigned short ccp_rtcode;	/* server return code		 */
+	unsigned short ccp_rscode;	/* server reason code		 */
+	unsigned int   mac_data_len;	/* Mac Data Length		 */
+	unsigned char  logon_id[8];	/* Logon Identifier		 */
+	unsigned char  mac_value[8];	/* Mac Value			 */
+	unsigned char  mac_content_flgs;/* Mac content flag byte	 */
+	unsigned char  pad_002;		/* Alignment			 */
+	unsigned short domain;		/* Domain			 */
+	unsigned char  pad_003[12];	/* Domain masks			 */
+	unsigned char  pad_004[36];	/* reserved			 */
+} __attribute__((packed));
+
+int zcrypt_pcixcc_init(void);
+void zcrypt_pcixcc_exit(void);
+
+#endif /* _ZCRYPT_PCIXCC_H_ */
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 5399c5d99b8..a914129a4da 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -19,9 +19,6 @@
 
 #include "s390mach.h"
 
-#define DBG printk
-// #define DBG(args,...) do {} while (0);
-
 static struct semaphore m_sem;
 
 extern int css_process_crw(int, int);
@@ -83,11 +80,11 @@ repeat:
 		ccode = stcrw(&crw[chain]);
 		if (ccode != 0)
 			break;
-		DBG(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, "
-		    "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
-		    crw[chain].slct, crw[chain].oflw, crw[chain].chn,
-		    crw[chain].rsc, crw[chain].anc, crw[chain].erc,
-		    crw[chain].rsid);
+		printk(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, "
+		       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
+		       crw[chain].slct, crw[chain].oflw, crw[chain].chn,
+		       crw[chain].rsc, crw[chain].anc, crw[chain].erc,
+		       crw[chain].rsid);
 		/* Check for overflows. */
 		if (crw[chain].oflw) {
 			pr_debug("%s: crw overflow detected!\n", __FUNCTION__);
@@ -117,8 +114,8 @@ repeat:
 			 * reported to the common I/O layer.
 			 */
 			if (crw[chain].slct) {
-				DBG(KERN_INFO"solicited machine check for "
-				    "channel path %02X\n", crw[0].rsid);
+				pr_debug("solicited machine check for "
+					 "channel path %02X\n", crw[0].rsid);
 				break;
 			}
 			switch (crw[0].erc) {
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 94d1b74db35..7c84b3d4bd9 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -543,7 +543,7 @@ do { \
 } while (0)
 	
 #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL
-# define ZFCP_LOG_NORMAL(fmt, args...)
+# define ZFCP_LOG_NORMAL(fmt, args...)	do { } while (0)
 #else
 # define ZFCP_LOG_NORMAL(fmt, args...) \
 do { \
@@ -553,7 +553,7 @@ do { \
 #endif
 
 #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_INFO
-# define ZFCP_LOG_INFO(fmt, args...)
+# define ZFCP_LOG_INFO(fmt, args...)	do { } while (0)
 #else
 # define ZFCP_LOG_INFO(fmt, args...) \
 do { \
@@ -563,14 +563,14 @@ do { \
 #endif
 
 #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_DEBUG
-# define ZFCP_LOG_DEBUG(fmt, args...)
+# define ZFCP_LOG_DEBUG(fmt, args...)	do { } while (0)
 #else
 # define ZFCP_LOG_DEBUG(fmt, args...) \
 	ZFCP_LOG(ZFCP_LOG_LEVEL_DEBUG, fmt , ##args)
 #endif
 
 #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_TRACE
-# define ZFCP_LOG_TRACE(fmt, args...)
+# define ZFCP_LOG_TRACE(fmt, args...)	do { } while (0)
 #else
 # define ZFCP_LOG_TRACE(fmt, args...) \
 	ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args)
diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
index d1c1e75bfd6..1e788e815ce 100644
--- a/drivers/s390/sysinfo.c
+++ b/drivers/s390/sysinfo.c
@@ -11,19 +11,18 @@
 #include <linux/init.h>
 #include <asm/ebcdic.h>
 
-struct sysinfo_1_1_1
-{
+struct sysinfo_1_1_1 {
 	char reserved_0[32];
 	char manufacturer[16];
 	char type[4];
 	char reserved_1[12];
-	char model[16];
+	char model_capacity[16];
 	char sequence[16];
 	char plant[4];
+	char model[16];
 };
 
-struct sysinfo_1_2_1
-{
+struct sysinfo_1_2_1 {
 	char reserved_0[80];
 	char sequence[16];
 	char plant[4];
@@ -31,9 +30,12 @@ struct sysinfo_1_2_1
 	unsigned short cpu_address;
 };
 
-struct sysinfo_1_2_2
-{
-	char reserved_0[32];
+struct sysinfo_1_2_2 {
+	char format;
+	char reserved_0[1];
+	unsigned short acc_offset;
+	char reserved_1[24];
+	unsigned int secondary_capability;
 	unsigned int capability;
 	unsigned short cpus_total;
 	unsigned short cpus_configured;
@@ -42,8 +44,12 @@ struct sysinfo_1_2_2
 	unsigned short adjustment[0];
 };
 
-struct sysinfo_2_2_1
-{
+struct sysinfo_1_2_2_extension {
+	unsigned int alt_capability;
+	unsigned short alt_adjustment[0];
+};
+
+struct sysinfo_2_2_1 {
 	char reserved_0[80];
 	char sequence[16];
 	char plant[4];
@@ -51,15 +57,11 @@ struct sysinfo_2_2_1
 	unsigned short cpu_address;
 };
 
-struct sysinfo_2_2_2
-{
+struct sysinfo_2_2_2 {
 	char reserved_0[32];
 	unsigned short lpar_number;
 	char reserved_1;
 	unsigned char characteristics;
-	#define LPAR_CHAR_DEDICATED	(1 << 7)
-	#define LPAR_CHAR_SHARED	(1 << 6)
-	#define LPAR_CHAR_LIMITED	(1 << 5)
 	unsigned short cpus_total;
 	unsigned short cpus_configured;
 	unsigned short cpus_standby;
@@ -71,12 +73,14 @@ struct sysinfo_2_2_2
 	unsigned short cpus_shared;
 };
 
-struct sysinfo_3_2_2
-{
+#define LPAR_CHAR_DEDICATED	(1 << 7)
+#define LPAR_CHAR_SHARED	(1 << 6)
+#define LPAR_CHAR_LIMITED	(1 << 5)
+
+struct sysinfo_3_2_2 {
 	char reserved_0[31];
 	unsigned char count;
-	struct
-	{
+	struct {
 		char reserved_0[4];
 		unsigned short cpus_total;
 		unsigned short cpus_configured;
@@ -90,136 +94,223 @@ struct sysinfo_3_2_2
 	} vm[8];
 };
 
-union s390_sysinfo
+static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
 {
-	struct sysinfo_1_1_1 sysinfo_1_1_1;
-	struct sysinfo_1_2_1 sysinfo_1_2_1;
-	struct sysinfo_1_2_2 sysinfo_1_2_2;
-	struct sysinfo_2_2_1 sysinfo_2_2_1;
-	struct sysinfo_2_2_2 sysinfo_2_2_2;
-	struct sysinfo_3_2_2 sysinfo_3_2_2;
-};
-
-static inline int stsi (void *sysinfo, 
-                        int fc, int sel1, int sel2)
-{
-	int cc, retv;
-
-#ifndef CONFIG_64BIT
-	__asm__ __volatile__ (	"lr\t0,%2\n"
-				"\tlr\t1,%3\n"
-				"\tstsi\t0(%4)\n"
-				"0:\tipm\t%0\n"
-				"\tsrl\t%0,28\n"
-				"1:lr\t%1,0\n"
-				".section .fixup,\"ax\"\n"
-				"2:\tlhi\t%0,3\n"
-				"\tbras\t1,3f\n"
-				"\t.long 1b\n"
-				"3:\tl\t1,0(1)\n"
-				"\tbr\t1\n"
-				".previous\n"
-				".section __ex_table,\"a\"\n"
-				"\t.align 4\n"
-				"\t.long 0b,2b\n"
-				".previous\n"
-				: "=d" (cc), "=d" (retv)
-				: "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) 
-				: "cc", "memory", "0", "1" );
-#else
-	__asm__ __volatile__ (	"lr\t0,%2\n"
-				"lr\t1,%3\n"
-				"\tstsi\t0(%4)\n"
-				"0:\tipm\t%0\n"
-				"\tsrl\t%0,28\n"
-				"1:lr\t%1,0\n"
-				".section .fixup,\"ax\"\n"
-				"2:\tlhi\t%0,3\n"
-				"\tjg\t1b\n"
-				".previous\n"
-				".section __ex_table,\"a\"\n"
-				"\t.align 8\n"
-				"\t.quad 0b,2b\n"
-				".previous\n"
-				: "=d" (cc), "=d" (retv)
-				: "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) 
-				: "cc", "memory", "0", "1" );
-#endif
-
-	return cc? -1 : retv;
+	register int r0 asm("0") = (fc << 28) | sel1;
+	register int r1 asm("1") = sel2;
+
+	asm volatile(
+		"   stsi 0(%2)\n"
+		"0: jz   2f\n"
+		"1: lhi  %0,%3\n"
+		"2:\n"
+		EX_TABLE(0b,1b)
+		: "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
+		: "cc", "memory" );
+	return r0;
 }
 
-static inline int stsi_0 (void)
+static inline int stsi_0(void)
 {
 	int rc = stsi (NULL, 0, 0, 0);
-	return rc == -1 ? rc : (((unsigned int)rc) >> 28);
+	return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28);
 }
 
-static inline int stsi_1_1_1 (struct sysinfo_1_1_1 *info)
+static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
 {
-	int rc = stsi (info, 1, 1, 1);
-	if (rc != -1)
-	{
-		EBCASC (info->manufacturer, sizeof(info->manufacturer));
-		EBCASC (info->type, sizeof(info->type));
-		EBCASC (info->model, sizeof(info->model));
-		EBCASC (info->sequence, sizeof(info->sequence));
-		EBCASC (info->plant, sizeof(info->plant));
-	}
-	return rc == -1 ? rc : 0;
+	if (stsi(info, 1, 1, 1) == -ENOSYS)
+		return len;
+
+	EBCASC(info->manufacturer, sizeof(info->manufacturer));
+	EBCASC(info->type, sizeof(info->type));
+	EBCASC(info->model, sizeof(info->model));
+	EBCASC(info->sequence, sizeof(info->sequence));
+	EBCASC(info->plant, sizeof(info->plant));
+	EBCASC(info->model_capacity, sizeof(info->model_capacity));
+	len += sprintf(page + len, "Manufacturer:         %-16.16s\n",
+		       info->manufacturer);
+	len += sprintf(page + len, "Type:                 %-4.4s\n",
+		       info->type);
+	if (info->model[0] != '\0')
+		/*
+		 * Sigh: the model field has been renamed with System z9
+		 * to model_capacity and a new model field has been added
+		 * after the plant field. To avoid confusing older programs
+		 * the "Model:" prints "model_capacity model" or just
+		 * "model_capacity" if the model string is empty .
+		 */
+		len += sprintf(page + len,
+			       "Model:                %-16.16s %-16.16s\n",
+			       info->model_capacity, info->model);
+	else
+		len += sprintf(page + len, "Model:                %-16.16s\n",
+			       info->model_capacity);
+	len += sprintf(page + len, "Sequence Code:        %-16.16s\n",
+		       info->sequence);
+	len += sprintf(page + len, "Plant:                %-4.4s\n",
+		       info->plant);
+	len += sprintf(page + len, "Model Capacity:       %-16.16s\n",
+		       info->model_capacity);
+	return len;
 }
 
-static inline int stsi_1_2_1 (struct sysinfo_1_2_1 *info)
+#if 0 /* Currently unused */
+static int stsi_1_2_1(struct sysinfo_1_2_1 *info, char *page, int len)
 {
-	int rc = stsi (info, 1, 2, 1);
-	if (rc != -1)
-	{
-		EBCASC (info->sequence, sizeof(info->sequence));
-		EBCASC (info->plant, sizeof(info->plant));
-	}
-	return rc == -1 ? rc : 0;
+	if (stsi(info, 1, 2, 1) == -ENOSYS)
+		return len;
+
+	len += sprintf(page + len, "\n");
+	EBCASC(info->sequence, sizeof(info->sequence));
+	EBCASC(info->plant, sizeof(info->plant));
+	len += sprintf(page + len, "Sequence Code of CPU: %-16.16s\n",
+		       info->sequence);
+	len += sprintf(page + len, "Plant of CPU:         %-16.16s\n",
+		       info->plant);
+	return len;
 }
+#endif
 
-static inline int stsi_1_2_2 (struct sysinfo_1_2_2 *info)
+static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
 {
-	int rc = stsi (info, 1, 2, 2);
-	return rc == -1 ? rc : 0;
+	struct sysinfo_1_2_2_extension *ext;
+	int i;
+
+	if (stsi(info, 1, 2, 2) == -ENOSYS)
+		return len;
+	ext = (struct sysinfo_1_2_2_extension *)
+		((unsigned long) info + info->acc_offset);
+
+	len += sprintf(page + len, "\n");
+	len += sprintf(page + len, "CPUs Total:           %d\n",
+		       info->cpus_total);
+	len += sprintf(page + len, "CPUs Configured:      %d\n",
+		       info->cpus_configured);
+	len += sprintf(page + len, "CPUs Standby:         %d\n",
+		       info->cpus_standby);
+	len += sprintf(page + len, "CPUs Reserved:        %d\n",
+		       info->cpus_reserved);
+
+	if (info->format == 1) {
+		/*
+		 * Sigh 2. According to the specification the alternate
+		 * capability field is a 32 bit floating point number
+		 * if the higher order 8 bits are not zero. Printing
+		 * a floating point number in the kernel is a no-no,
+		 * always print the number as 32 bit unsigned integer.
+		 * The user-space needs to know about the stange
+		 * encoding of the alternate cpu capability.
+		 */
+		len += sprintf(page + len, "Capability:           %u %u\n",
+			       info->capability, ext->alt_capability);
+		for (i = 2; i <= info->cpus_total; i++)
+			len += sprintf(page + len,
+				       "Adjustment %02d-way:    %u %u\n",
+				       i, info->adjustment[i-2],
+				       ext->alt_adjustment[i-2]);
+
+	} else {
+		len += sprintf(page + len, "Capability:           %u\n",
+			       info->capability);
+		for (i = 2; i <= info->cpus_total; i++)
+			len += sprintf(page + len,
+				       "Adjustment %02d-way:    %u\n",
+				       i, info->adjustment[i-2]);
+	}
+
+	if (info->secondary_capability != 0)
+		len += sprintf(page + len, "Secondary Capability: %d\n",
+			       info->secondary_capability);
+
+	return len;
 }
 
-static inline int stsi_2_2_1 (struct sysinfo_2_2_1 *info)
+#if 0 /* Currently unused */
+static int stsi_2_2_1(struct sysinfo_2_2_1 *info, char *page, int len)
 {
-	int rc = stsi (info, 2, 2, 1);
-	if (rc != -1)
-	{
-		EBCASC (info->sequence, sizeof(info->sequence));
-		EBCASC (info->plant, sizeof(info->plant));
-	}
-	return rc == -1 ? rc : 0;
+	if (stsi(info, 2, 2, 1) == -ENOSYS)
+		return len;
+
+	len += sprintf(page + len, "\n");
+	EBCASC (info->sequence, sizeof(info->sequence));
+	EBCASC (info->plant, sizeof(info->plant));
+	len += sprintf(page + len, "Sequence Code of logical CPU: %-16.16s\n",
+		       info->sequence);
+	len += sprintf(page + len, "Plant of logical CPU: %-16.16s\n",
+		       info->plant);
+	return len;
 }
+#endif
 
-static inline int stsi_2_2_2 (struct sysinfo_2_2_2 *info)
+static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len)
 {
-	int rc = stsi (info, 2, 2, 2);
-	if (rc != -1)
-	{
-		EBCASC (info->name, sizeof(info->name));
-  	}
-	return rc == -1 ? rc : 0;
+	if (stsi(info, 2, 2, 2) == -ENOSYS)
+		return len;
+
+	EBCASC (info->name, sizeof(info->name));
+
+	len += sprintf(page + len, "\n");
+	len += sprintf(page + len, "LPAR Number:          %d\n",
+		       info->lpar_number);
+
+	len += sprintf(page + len, "LPAR Characteristics: ");
+	if (info->characteristics & LPAR_CHAR_DEDICATED)
+		len += sprintf(page + len, "Dedicated ");
+	if (info->characteristics & LPAR_CHAR_SHARED)
+		len += sprintf(page + len, "Shared ");
+	if (info->characteristics & LPAR_CHAR_LIMITED)
+		len += sprintf(page + len, "Limited ");
+	len += sprintf(page + len, "\n");
+
+	len += sprintf(page + len, "LPAR Name:            %-8.8s\n",
+		       info->name);
+
+	len += sprintf(page + len, "LPAR Adjustment:      %d\n",
+		       info->caf);
+
+	len += sprintf(page + len, "LPAR CPUs Total:      %d\n",
+		       info->cpus_total);
+	len += sprintf(page + len, "LPAR CPUs Configured: %d\n",
+		       info->cpus_configured);
+	len += sprintf(page + len, "LPAR CPUs Standby:    %d\n",
+		       info->cpus_standby);
+	len += sprintf(page + len, "LPAR CPUs Reserved:   %d\n",
+		       info->cpus_reserved);
+	len += sprintf(page + len, "LPAR CPUs Dedicated:  %d\n",
+		       info->cpus_dedicated);
+	len += sprintf(page + len, "LPAR CPUs Shared:     %d\n",
+		       info->cpus_shared);
+	return len;
 }
 
-static inline int stsi_3_2_2 (struct sysinfo_3_2_2 *info)
+static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len)
 {
-	int rc = stsi (info, 3, 2, 2);
-	if (rc != -1)
-	{
-		int i;
-		for (i = 0; i < info->count; i++)
-		{
-			EBCASC (info->vm[i].name, sizeof(info->vm[i].name));
-			EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi));
-		}
+	int i;
+
+	if (stsi(info, 3, 2, 2) == -ENOSYS)
+		return len;
+	for (i = 0; i < info->count; i++) {
+		EBCASC (info->vm[i].name, sizeof(info->vm[i].name));
+		EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi));
+		len += sprintf(page + len, "\n");
+		len += sprintf(page + len, "VM%02d Name:            %-8.8s\n",
+			       i, info->vm[i].name);
+		len += sprintf(page + len, "VM%02d Control Program: %-16.16s\n",
+			       i, info->vm[i].cpi);
+
+		len += sprintf(page + len, "VM%02d Adjustment:      %d\n",
+			       i, info->vm[i].caf);
+
+		len += sprintf(page + len, "VM%02d CPUs Total:      %d\n",
+			       i, info->vm[i].cpus_total);
+		len += sprintf(page + len, "VM%02d CPUs Configured: %d\n",
+			       i, info->vm[i].cpus_configured);
+		len += sprintf(page + len, "VM%02d CPUs Standby:    %d\n",
+			       i, info->vm[i].cpus_standby);
+		len += sprintf(page + len, "VM%02d CPUs Reserved:   %d\n",
+			       i, info->vm[i].cpus_reserved);
 	}
-	return rc == -1 ? rc : 0;
+	return len;
 }
 
 
@@ -227,118 +318,34 @@ static int proc_read_sysinfo(char *page, char **start,
                              off_t off, int count,
                              int *eof, void *data)
 {
-	unsigned long info_page = get_zeroed_page (GFP_KERNEL); 
-	union s390_sysinfo *info = (union s390_sysinfo *) info_page;
-	int len = 0;
-	int level;
-	int i;
+	unsigned long info = get_zeroed_page (GFP_KERNEL);
+	int level, len;
 	
 	if (!info)
 		return 0;
 
-	level = stsi_0 ();
-
-	if (level >= 1 && stsi_1_1_1 (&info->sysinfo_1_1_1) == 0)
-	{
-		len += sprintf (page+len, "Manufacturer:         %-16.16s\n",
-				info->sysinfo_1_1_1.manufacturer);
-		len += sprintf (page+len, "Type:                 %-4.4s\n",
-				info->sysinfo_1_1_1.type);
-		len += sprintf (page+len, "Model:                %-16.16s\n",
-				info->sysinfo_1_1_1.model);
-		len += sprintf (page+len, "Sequence Code:        %-16.16s\n",
-				info->sysinfo_1_1_1.sequence);
-		len += sprintf (page+len, "Plant:                %-4.4s\n",
-				info->sysinfo_1_1_1.plant);
-	}
-
-	if (level >= 1 && stsi_1_2_2 (&info->sysinfo_1_2_2) == 0)
-	{
-		len += sprintf (page+len, "\n");
-		len += sprintf (page+len, "CPUs Total:           %d\n",
-				info->sysinfo_1_2_2.cpus_total);
-		len += sprintf (page+len, "CPUs Configured:      %d\n",
-				info->sysinfo_1_2_2.cpus_configured);
-		len += sprintf (page+len, "CPUs Standby:         %d\n",
-				info->sysinfo_1_2_2.cpus_standby);
-		len += sprintf (page+len, "CPUs Reserved:        %d\n",
-				info->sysinfo_1_2_2.cpus_reserved);
-	
-		len += sprintf (page+len, "Capability:           %d\n",
-				info->sysinfo_1_2_2.capability);
+	len = 0;
+	level = stsi_0();
+	if (level >= 1)
+		len = stsi_1_1_1((struct sysinfo_1_1_1 *) info, page, len);
 
-		for (i = 2; i <= info->sysinfo_1_2_2.cpus_total; i++)
-			len += sprintf (page+len, "Adjustment %02d-way:    %d\n",
-					i, info->sysinfo_1_2_2.adjustment[i-2]);
-	}
+	if (level >= 1)
+		len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len);
 
-	if (level >= 2 && stsi_2_2_2 (&info->sysinfo_2_2_2) == 0)
-	{
-		len += sprintf (page+len, "\n");
-		len += sprintf (page+len, "LPAR Number:          %d\n",
-				info->sysinfo_2_2_2.lpar_number);
-
-		len += sprintf (page+len, "LPAR Characteristics: ");
-		if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_DEDICATED)
-			len += sprintf (page+len, "Dedicated ");
-		if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_SHARED)
-			len += sprintf (page+len, "Shared ");
-		if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_LIMITED)
-			len += sprintf (page+len, "Limited ");
-		len += sprintf (page+len, "\n");
-	
-		len += sprintf (page+len, "LPAR Name:            %-8.8s\n",
-				info->sysinfo_2_2_2.name);
-	
-		len += sprintf (page+len, "LPAR Adjustment:      %d\n",
-				info->sysinfo_2_2_2.caf);
-	
-		len += sprintf (page+len, "LPAR CPUs Total:      %d\n",
-				info->sysinfo_2_2_2.cpus_total);
-		len += sprintf (page+len, "LPAR CPUs Configured: %d\n",
-				info->sysinfo_2_2_2.cpus_configured);
-		len += sprintf (page+len, "LPAR CPUs Standby:    %d\n",
-				info->sysinfo_2_2_2.cpus_standby);
-		len += sprintf (page+len, "LPAR CPUs Reserved:   %d\n",
-				info->sysinfo_2_2_2.cpus_reserved);
-		len += sprintf (page+len, "LPAR CPUs Dedicated:  %d\n",
-				info->sysinfo_2_2_2.cpus_dedicated);
-		len += sprintf (page+len, "LPAR CPUs Shared:     %d\n",
-				info->sysinfo_2_2_2.cpus_shared);
-	}
+	if (level >= 2)
+		len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len);
 
-	if (level >= 3 && stsi_3_2_2 (&info->sysinfo_3_2_2) == 0)
-	{
-		for (i = 0; i < info->sysinfo_3_2_2.count; i++)
-		{
-			len += sprintf (page+len, "\n");
-			len += sprintf (page+len, "VM%02d Name:            %-8.8s\n",
-					i, info->sysinfo_3_2_2.vm[i].name);
-			len += sprintf (page+len, "VM%02d Control Program: %-16.16s\n",
-					i, info->sysinfo_3_2_2.vm[i].cpi);
-	
-			len += sprintf (page+len, "VM%02d Adjustment:      %d\n",
-					i, info->sysinfo_3_2_2.vm[i].caf);
-	
-			len += sprintf (page+len, "VM%02d CPUs Total:      %d\n",
-					i, info->sysinfo_3_2_2.vm[i].cpus_total);
-			len += sprintf (page+len, "VM%02d CPUs Configured: %d\n",
-					i, info->sysinfo_3_2_2.vm[i].cpus_configured);
-			len += sprintf (page+len, "VM%02d CPUs Standby:    %d\n",
-					i, info->sysinfo_3_2_2.vm[i].cpus_standby);
-			len += sprintf (page+len, "VM%02d CPUs Reserved:   %d\n",
-					i, info->sysinfo_3_2_2.vm[i].cpus_reserved);
-		}
-	}
+	if (level >= 3)
+		len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len);
 
-	free_page (info_page);
+	free_page (info);
         return len;
 }
 
 static __init int create_proc_sysinfo(void)
 {
-	create_proc_read_entry ("sysinfo", 0444, NULL, 
-				proc_read_sysinfo, NULL);
+	create_proc_read_entry("sysinfo", 0444, NULL,
+			       proc_read_sysinfo, NULL);
 	return 0;
 }
 
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild
index ed8955f49e4..979145026a2 100644
--- a/include/asm-s390/Kbuild
+++ b/include/asm-s390/Kbuild
@@ -1,4 +1,4 @@
 include include/asm-generic/Kbuild.asm
 
 unifdef-y += cmb.h debug.h
-header-y += dasd.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h
+header-y += dasd.h monwriter.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h
diff --git a/include/asm-s390/appldata.h b/include/asm-s390/appldata.h
new file mode 100644
index 00000000000..b1770703b70
--- /dev/null
+++ b/include/asm-s390/appldata.h
@@ -0,0 +1,90 @@
+/*
+ * include/asm-s390/appldata.h
+ *
+ * Copyright (C) IBM Corp. 2006
+ *
+ * Author(s): Melissa Howland <melissah@us.ibm.com>
+ */
+
+#ifndef _ASM_S390_APPLDATA_H
+#define _ASM_S390_APPLDATA_H
+
+#include <asm/io.h>
+
+#ifndef CONFIG_64BIT
+
+#define APPLDATA_START_INTERVAL_REC	0x00	/* Function codes for */
+#define APPLDATA_STOP_REC		0x01	/* DIAG 0xDC	      */
+#define APPLDATA_GEN_EVENT_REC		0x02
+#define APPLDATA_START_CONFIG_REC	0x03
+
+/*
+ * Parameter list for DIAGNOSE X'DC'
+ */
+struct appldata_parameter_list {
+	u16 diag;		/* The DIAGNOSE code X'00DC'	      */
+	u8  function;		/* The function code for the DIAGNOSE */
+	u8  parlist_length;	/* Length of the parameter list       */
+	u32 product_id_addr;	/* Address of the 16-byte product ID  */
+	u16 reserved;
+	u16 buffer_length;	/* Length of the application data buffer  */
+	u32 buffer_addr;	/* Address of the application data buffer */
+} __attribute__ ((packed));
+
+#else /* CONFIG_64BIT */
+
+#define APPLDATA_START_INTERVAL_REC	0x80
+#define APPLDATA_STOP_REC		0x81
+#define APPLDATA_GEN_EVENT_REC		0x82
+#define APPLDATA_START_CONFIG_REC	0x83
+
+/*
+ * Parameter list for DIAGNOSE X'DC'
+ */
+struct appldata_parameter_list {
+	u16 diag;
+	u8  function;
+	u8  parlist_length;
+	u32 unused01;
+	u16 reserved;
+	u16 buffer_length;
+	u32 unused02;
+	u64 product_id_addr;
+	u64 buffer_addr;
+} __attribute__ ((packed));
+
+#endif /* CONFIG_64BIT */
+
+struct appldata_product_id {
+	char prod_nr[7];	/* product number */
+	u16  prod_fn;		/* product function */
+	u8   record_nr; 	/* record number */
+	u16  version_nr;	/* version */
+	u16  release_nr;	/* release */
+	u16  mod_lvl;		/* modification level */
+} __attribute__ ((packed));
+
+static inline int appldata_asm(struct appldata_product_id *id,
+			       unsigned short fn, void *buffer,
+			       unsigned short length)
+{
+	struct appldata_parameter_list parm_list;
+	int ry;
+
+	if (!MACHINE_IS_VM)
+		return -ENOSYS;
+	parm_list.diag = 0xdc;
+	parm_list.function = fn;
+	parm_list.parlist_length = sizeof(parm_list);
+	parm_list.buffer_length = length;
+	parm_list.product_id_addr = (unsigned long) id;
+	parm_list.buffer_addr = virt_to_phys(buffer);
+	asm volatile(
+		"diag %1,%0,0xdc"
+		: "=d" (ry)
+		: "d" (&parm_list), "m" (parm_list), "m" (*id)
+		: "cc");
+	return ry;
+}
+
+#endif /* _ASM_S390_APPLDATA_H */
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h
index 28fdd6e2b8b..da063cd5f0a 100644
--- a/include/asm-s390/cio.h
+++ b/include/asm-s390/cio.h
@@ -270,6 +270,11 @@ struct diag210 {
 	__u32 vrdccrft : 8;    /* real device feature (output) */
 } __attribute__ ((packed,aligned(4)));
 
+struct ccw_dev_id {
+	u8 ssid;
+	u16 devno;
+};
+
 extern int diag210(struct diag210 *addr);
 
 extern void wait_cons_dev(void);
@@ -280,6 +285,8 @@ extern void cio_reset_channel_paths(void);
 
 extern void css_schedule_reprobe(void);
 
+extern void reipl_ccw_dev(struct ccw_dev_id *id);
+
 #endif
 
 #endif
diff --git a/include/asm-s390/dma.h b/include/asm-s390/dma.h
index 02720c449cd..7425c6af6cd 100644
--- a/include/asm-s390/dma.h
+++ b/include/asm-s390/dma.h
@@ -11,6 +11,6 @@
 
 #define MAX_DMA_ADDRESS         0x80000000
 
-#define free_dma(x)
+#define free_dma(x)	do { } while (0)
 
 #endif /* _ASM_DMA_H */
diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h
index ffedf14f89f..5e261e1de67 100644
--- a/include/asm-s390/futex.h
+++ b/include/asm-s390/futex.h
@@ -7,75 +7,21 @@
 #include <asm/errno.h>
 #include <asm/uaccess.h>
 
-#ifndef __s390x__
-#define __futex_atomic_fixup \
-		     ".section __ex_table,\"a\"\n"			\
-		     "   .align 4\n"					\
-		     "   .long  0b,4b,2b,4b,3b,4b\n"			\
-		     ".previous"
-#else /* __s390x__ */
-#define __futex_atomic_fixup \
-		     ".section __ex_table,\"a\"\n"			\
-		     "   .align 8\n"					\
-		     "   .quad  0b,4b,2b,4b,3b,4b\n"			\
-		     ".previous"
-#endif /* __s390x__ */
-
-#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg)	\
-	asm volatile("   sacf 256\n"					\
-		     "0: l   %1,0(%6)\n"				\
-		     "1: " insn						\
-		     "2: cs  %1,%2,0(%6)\n"				\
-		     "3: jl  1b\n"					\
-		     "   lhi %0,0\n"					\
-		     "4: sacf 0\n"					\
-		     __futex_atomic_fixup				\
-		     : "=d" (ret), "=&d" (oldval), "=&d" (newval),	\
-		       "=m" (*uaddr)					\
-		     : "0" (-EFAULT), "d" (oparg), "a" (uaddr),		\
-		       "m" (*uaddr) : "cc" );
-
 static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 {
 	int op = (encoded_op >> 28) & 7;
 	int cmp = (encoded_op >> 24) & 15;
 	int oparg = (encoded_op << 8) >> 20;
 	int cmparg = (encoded_op << 20) >> 20;
-	int oldval = 0, newval, ret;
+	int oldval, ret;
+
 	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
 		oparg = 1 << oparg;
 
 	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
 
-	inc_preempt_count();
-
-	switch (op) {
-	case FUTEX_OP_SET:
-		__futex_atomic_op("lr %2,%5\n",
-				  ret, oldval, newval, uaddr, oparg);
-		break;
-	case FUTEX_OP_ADD:
-		__futex_atomic_op("lr %2,%1\nar %2,%5\n",
-				  ret, oldval, newval, uaddr, oparg);
-		break;
-	case FUTEX_OP_OR:
-		__futex_atomic_op("lr %2,%1\nor %2,%5\n",
-				  ret, oldval, newval, uaddr, oparg);
-		break;
-	case FUTEX_OP_ANDN:
-		__futex_atomic_op("lr %2,%1\nnr %2,%5\n",
-				  ret, oldval, newval, uaddr, oparg);
-		break;
-	case FUTEX_OP_XOR:
-		__futex_atomic_op("lr %2,%1\nxr %2,%5\n",
-				  ret, oldval, newval, uaddr, oparg);
-		break;
-	default:
-		ret = -ENOSYS;
-	}
-
-	dec_preempt_count();
+	ret = uaccess.futex_atomic_op(op, uaddr, oparg, &oldval);
 
 	if (!ret) {
 		switch (cmp) {
@@ -91,32 +37,13 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 	return ret;
 }
 
-static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr,
+						int oldval, int newval)
 {
-	int ret;
-
 	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
-	asm volatile("   sacf 256\n"
-		     "   cs   %1,%4,0(%5)\n"
-		     "0: lr   %0,%1\n"
-		     "1: sacf 0\n"
-#ifndef __s390x__
-		     ".section __ex_table,\"a\"\n"
-		     "   .align 4\n"
-		     "   .long  0b,1b\n"
-		     ".previous"
-#else /* __s390x__ */
-		     ".section __ex_table,\"a\"\n"
-		     "   .align 8\n"
-		     "   .quad  0b,1b\n"
-		     ".previous"
-#endif /* __s390x__ */
-		     : "=d" (ret), "+d" (oldval), "=m" (*uaddr)
-		     : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr)
-		     : "cc", "memory" );
-	return oldval;
+
+	return uaccess.futex_atomic_cmpxchg(uaddr, oldval, newval);
 }
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-s390/io.h b/include/asm-s390/io.h
index d4614b35f42..a6cc27e7700 100644
--- a/include/asm-s390/io.h
+++ b/include/asm-s390/io.h
@@ -116,7 +116,7 @@ extern void iounmap(void *addr);
 #define outb(x,addr) ((void) writeb(x,addr))
 #define outb_p(x,addr) outb(x,addr)
 
-#define mmiowb()
+#define mmiowb()	do { } while (0)
 
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h
new file mode 100644
index 00000000000..40cc68025e0
--- /dev/null
+++ b/include/asm-s390/kdebug.h
@@ -0,0 +1,59 @@
+#ifndef _S390_KDEBUG_H
+#define _S390_KDEBUG_H
+
+/*
+ * Feb 2006 Ported to s390 <grundym@us.ibm.com>
+ */
+#include <linux/notifier.h>
+
+struct pt_regs;
+
+struct die_args {
+	struct pt_regs *regs;
+	const char *str;
+	long err;
+	int trapnr;
+	int signr;
+};
+
+/* Note - you should never unregister because that can race with NMIs.
+ * If you really want to do it first unregister - then synchronize_sched
+ *  - then free.
+ */
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
+extern int register_page_fault_notifier(struct notifier_block *);
+extern int unregister_page_fault_notifier(struct notifier_block *);
+extern struct atomic_notifier_head s390die_chain;
+
+
+enum die_val {
+	DIE_OOPS = 1,
+	DIE_BPT,
+	DIE_SSTEP,
+	DIE_PANIC,
+	DIE_NMI,
+	DIE_DIE,
+	DIE_NMIWATCHDOG,
+	DIE_KERNELDEBUG,
+	DIE_TRAP,
+	DIE_GPF,
+	DIE_CALL,
+	DIE_NMI_IPI,
+	DIE_PAGE_FAULT,
+};
+
+static inline int notify_die(enum die_val val, const char *str,
+			struct pt_regs *regs, long err, int trap, int sig)
+{
+	struct die_args args = {
+		.regs = regs,
+		.str = str,
+		.err = err,
+		.trapnr = trap,
+		.signr = sig
+	};
+	return atomic_notifier_call_chain(&s390die_chain, val, &args);
+}
+
+#endif
diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h
new file mode 100644
index 00000000000..b847ff0ec3f
--- /dev/null
+++ b/include/asm-s390/kprobes.h
@@ -0,0 +1,114 @@
+#ifndef _ASM_S390_KPROBES_H
+#define _ASM_S390_KPROBES_H
+/*
+ *  Kernel Probes (KProbes)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2002, 2006
+ *
+ * 2002-Oct	Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel
+ *		Probes initial implementation ( includes suggestions from
+ *		Rusty Russell).
+ * 2004-Nov	Modified for PPC64 by Ananth N Mavinakayanahalli
+ *		<ananth@in.ibm.com>
+ * 2005-Dec	Used as a template for s390 by Mike Grundy
+ *		<grundym@us.ibm.com>
+ */
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/percpu.h>
+
+#define  __ARCH_WANT_KPROBES_INSN_SLOT
+struct pt_regs;
+struct kprobe;
+
+typedef u16 kprobe_opcode_t;
+#define BREAKPOINT_INSTRUCTION	0x0002
+
+/* Maximum instruction size is 3 (16bit) halfwords: */
+#define MAX_INSN_SIZE		0x0003
+#define MAX_STACK_SIZE		64
+#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
+	(((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
+	? (MAX_STACK_SIZE) \
+	: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
+
+#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
+
+#define ARCH_SUPPORTS_KRETPROBES
+#define ARCH_INACTIVE_KPROBE_COUNT 0
+
+#define KPROBE_SWAP_INST	0x10
+
+#define FIXUP_PSW_NORMAL	0x08
+#define FIXUP_BRANCH_NOT_TAKEN	0x04
+#define FIXUP_RETURN_REGISTER	0x02
+#define FIXUP_NOT_REQUIRED	0x01
+
+/* Architecture specific copy of original instruction */
+struct arch_specific_insn {
+	/* copy of original instruction */
+	kprobe_opcode_t *insn;
+	int fixup;
+	int ilen;
+	int reg;
+};
+
+struct ins_replace_args {
+	kprobe_opcode_t *ptr;
+	kprobe_opcode_t old;
+	kprobe_opcode_t new;
+};
+struct prev_kprobe {
+	struct kprobe *kp;
+	unsigned long status;
+	unsigned long saved_psw;
+	unsigned long kprobe_saved_imask;
+	unsigned long kprobe_saved_ctl[3];
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+	unsigned long kprobe_status;
+	unsigned long kprobe_saved_imask;
+	unsigned long kprobe_saved_ctl[3];
+	struct pt_regs jprobe_saved_regs;
+	unsigned long jprobe_saved_r14;
+	unsigned long jprobe_saved_r15;
+	struct prev_kprobe prev_kprobe;
+	kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
+};
+
+void arch_remove_kprobe(struct kprobe *p);
+void kretprobe_trampoline(void);
+int  is_prohibited_opcode(kprobe_opcode_t *instruction);
+void get_instruction_type(struct arch_specific_insn *ainsn);
+
+#define flush_insn_slot(p)	do { } while (0)
+
+#endif	/* _ASM_S390_KPROBES_H */
+
+#ifdef CONFIG_KPROBES
+
+extern int kprobe_exceptions_notify(struct notifier_block *self,
+					unsigned long val, void *data);
+#else	/* !CONFIG_KPROBES */
+static inline int kprobe_exceptions_notify(struct notifier_block *self,
+						unsigned long val, void *data)
+{
+	return 0;
+}
+#endif
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 596c8b17210..18695d10ded 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -35,6 +35,7 @@
 #define __LC_IO_NEW_PSW                 0x01f0
 #endif /* !__s390x__ */
 
+#define __LC_IPL_PARMBLOCK_PTR		0x014
 #define __LC_EXT_PARAMS                 0x080
 #define __LC_CPU_ADDRESS                0x084
 #define __LC_EXT_INT_CODE               0x086
@@ -47,6 +48,7 @@
 #define __LC_PER_ATMID			0x096
 #define __LC_PER_ADDRESS		0x098
 #define __LC_PER_ACCESS_ID		0x0A1
+#define __LC_AR_MODE_ID			0x0A3
 
 #define __LC_SUBCHANNEL_ID              0x0B8
 #define __LC_SUBCHANNEL_NR              0x0BA
@@ -106,18 +108,28 @@
 #define __LC_INT_CLOCK			0xDE8
 #endif /* __s390x__ */
 
-#define __LC_PANIC_MAGIC                0xE00
 
+#define __LC_PANIC_MAGIC		0xE00
 #ifndef __s390x__
 #define __LC_PFAULT_INTPARM             0x080
 #define __LC_CPU_TIMER_SAVE_AREA        0x0D8
+#define __LC_CLOCK_COMP_SAVE_AREA	0x0E0
+#define __LC_PSW_SAVE_AREA		0x100
+#define __LC_PREFIX_SAVE_AREA		0x108
 #define __LC_AREGS_SAVE_AREA            0x120
+#define __LC_FPREGS_SAVE_AREA		0x160
 #define __LC_GPREGS_SAVE_AREA           0x180
 #define __LC_CREGS_SAVE_AREA            0x1C0
 #else /* __s390x__ */
 #define __LC_PFAULT_INTPARM             0x11B8
+#define __LC_FPREGS_SAVE_AREA		0x1200
 #define __LC_GPREGS_SAVE_AREA           0x1280
+#define __LC_PSW_SAVE_AREA		0x1300
+#define __LC_PREFIX_SAVE_AREA		0x1318
+#define __LC_FP_CREG_SAVE_AREA		0x131C
+#define __LC_TODREG_SAVE_AREA		0x1324
 #define __LC_CPU_TIMER_SAVE_AREA        0x1328
+#define __LC_CLOCK_COMP_SAVE_AREA	0x1331
 #define __LC_AREGS_SAVE_AREA            0x1340
 #define __LC_CREGS_SAVE_AREA            0x1380
 #endif /* __s390x__ */
diff --git a/include/asm-s390/monwriter.h b/include/asm-s390/monwriter.h
new file mode 100644
index 00000000000..f0cbf96c52e
--- /dev/null
+++ b/include/asm-s390/monwriter.h
@@ -0,0 +1,33 @@
+/*
+ * include/asm-s390/monwriter.h
+ *
+ * Copyright (C) IBM Corp. 2006
+ * Character device driver for writing z/VM APPLDATA monitor records
+ * Version 1.0
+ * Author(s): Melissa Howland <melissah@us.ibm.com>
+ *
+ */
+
+#ifndef _ASM_390_MONWRITER_H
+#define _ASM_390_MONWRITER_H
+
+/* mon_function values */
+#define MONWRITE_START_INTERVAL	0x00 /* start interval recording */
+#define MONWRITE_STOP_INTERVAL	0x01 /* stop interval or config recording */
+#define MONWRITE_GEN_EVENT	0x02 /* generate event record */
+#define MONWRITE_START_CONFIG	0x03 /* start configuration recording */
+
+/* the header the app uses in its write() data */
+struct monwrite_hdr {
+	unsigned char mon_function;
+	unsigned short applid;
+	unsigned char record_num;
+	unsigned short version;
+	unsigned short release;
+	unsigned short mod_level;
+	unsigned short datalen;
+	unsigned char hdrlen;
+
+} __attribute__((packed));
+
+#endif /* _ASM_390_MONWRITER_H */
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index a78e853e0dd..803bc706441 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -22,6 +22,16 @@
 extern void diag10(unsigned long addr);
 
 /*
+ * Page allocation orders.
+ */
+#ifndef __s390x__
+# define PGD_ALLOC_ORDER	1
+#else /* __s390x__ */
+# define PMD_ALLOC_ORDER	2
+# define PGD_ALLOC_ORDER	2
+#endif /* __s390x__ */
+
+/*
  * Allocate and free page tables. The xxx_kernel() versions are
  * used to allocate a kernel page table - this turns on ASN bits
  * if any.
@@ -29,30 +39,23 @@ extern void diag10(unsigned long addr);
 
 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-	pgd_t *pgd;
+	pgd_t *pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ALLOC_ORDER);
 	int i;
 
+	if (!pgd)
+		return NULL;
+	for (i = 0; i < PTRS_PER_PGD; i++)
 #ifndef __s390x__
-	pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,1);
-        if (pgd != NULL)
-		for (i = 0; i < USER_PTRS_PER_PGD; i++)
-			pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE));
-#else /* __s390x__ */
-	pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,2);
-        if (pgd != NULL)
-		for (i = 0; i < PTRS_PER_PGD; i++)
-			pgd_clear(pgd + i);
-#endif /* __s390x__ */
+		pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE));
+#else
+		pgd_clear(pgd + i);
+#endif
 	return pgd;
 }
 
 static inline void pgd_free(pgd_t *pgd)
 {
-#ifndef __s390x__
-        free_pages((unsigned long) pgd, 1);
-#else /* __s390x__ */
-        free_pages((unsigned long) pgd, 2);
-#endif /* __s390x__ */
+	free_pages((unsigned long) pgd, PGD_ALLOC_ORDER);
 }
 
 #ifndef __s390x__
@@ -68,20 +71,19 @@ static inline void pgd_free(pgd_t *pgd)
 #else /* __s390x__ */
 static inline pmd_t * pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
 {
-	pmd_t *pmd;
-        int i;
+	pmd_t *pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ALLOC_ORDER);
+	int i;
 
-	pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, 2);
-	if (pmd != NULL) {
-		for (i=0; i < PTRS_PER_PMD; i++)
-			pmd_clear(pmd+i);
-	}
+	if (!pmd)
+		return NULL;
+	for (i=0; i < PTRS_PER_PMD; i++)
+		pmd_clear(pmd + i);
 	return pmd;
 }
 
 static inline void pmd_free (pmd_t *pmd)
 {
-	free_pages((unsigned long) pmd, 2);
+	free_pages((unsigned long) pmd, PMD_ALLOC_ORDER);
 }
 
 #define __pmd_free_tlb(tlb,pmd)			\
@@ -123,15 +125,14 @@ pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *page)
 static inline pte_t *
 pte_alloc_one_kernel(struct mm_struct *mm, unsigned long vmaddr)
 {
-	pte_t *pte;
-        int i;
-
-	pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
-	if (pte != NULL) {
-		for (i=0; i < PTRS_PER_PTE; i++) {
-			pte_clear(mm, vmaddr, pte+i);
-			vmaddr += PAGE_SIZE;
-		}
+	pte_t *pte = (pte_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT);
+	int i;
+
+	if (!pte)
+		return NULL;
+	for (i=0; i < PTRS_PER_PTE; i++) {
+		pte_clear(mm, vmaddr, pte + i);
+		vmaddr += PAGE_SIZE;
 	}
 	return pte;
 }
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 24312387fa2..1a07028d575 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -89,19 +89,6 @@ extern char empty_zero_page[PAGE_SIZE];
 # define PTRS_PER_PGD    2048
 #endif /* __s390x__ */
 
-/*
- * pgd entries used up by user/kernel:
- */
-#ifndef __s390x__
-# define USER_PTRS_PER_PGD  512
-# define USER_PGD_PTRS      512
-# define KERNEL_PGD_PTRS    512
-#else /* __s390x__ */
-# define USER_PTRS_PER_PGD  2048
-# define USER_PGD_PTRS      2048
-# define KERNEL_PGD_PTRS    2048
-#endif /* __s390x__ */
-
 #define FIRST_USER_ADDRESS  0
 
 #define pte_ERROR(e) \
@@ -216,12 +203,14 @@ extern char empty_zero_page[PAGE_SIZE];
 #define _PAGE_RO        0x200          /* HW read-only                     */
 #define _PAGE_INVALID   0x400          /* HW invalid                       */
 
-/* Mask and four different kinds of invalid pages. */
-#define _PAGE_INVALID_MASK	0x601
-#define _PAGE_INVALID_EMPTY	0x400
-#define _PAGE_INVALID_NONE	0x401
-#define _PAGE_INVALID_SWAP	0x600
-#define _PAGE_INVALID_FILE	0x601
+/* Mask and six different types of pages. */
+#define _PAGE_TYPE_MASK		0x601
+#define _PAGE_TYPE_EMPTY	0x400
+#define _PAGE_TYPE_NONE		0x401
+#define _PAGE_TYPE_SWAP		0x600
+#define _PAGE_TYPE_FILE		0x601
+#define _PAGE_TYPE_RO		0x200
+#define _PAGE_TYPE_RW		0x000
 
 #ifndef __s390x__
 
@@ -280,15 +269,14 @@ extern char empty_zero_page[PAGE_SIZE];
 #endif /* __s390x__ */
 
 /*
- * No mapping available
+ * Page protection definitions.
  */
-#define PAGE_NONE_SHARED  __pgprot(_PAGE_INVALID_NONE)
-#define PAGE_NONE_PRIVATE __pgprot(_PAGE_INVALID_NONE)
-#define PAGE_RO_SHARED	  __pgprot(_PAGE_RO)
-#define PAGE_RO_PRIVATE	  __pgprot(_PAGE_RO)
-#define PAGE_COPY	  __pgprot(_PAGE_RO)
-#define PAGE_SHARED	  __pgprot(0)
-#define PAGE_KERNEL	  __pgprot(0)
+#define PAGE_NONE	__pgprot(_PAGE_TYPE_NONE)
+#define PAGE_RO		__pgprot(_PAGE_TYPE_RO)
+#define PAGE_RW		__pgprot(_PAGE_TYPE_RW)
+
+#define PAGE_KERNEL	PAGE_RW
+#define PAGE_COPY	PAGE_RO
 
 /*
  * The S390 can't do page protection for execute, and considers that the
@@ -296,23 +284,23 @@ extern char empty_zero_page[PAGE_SIZE];
  * the closest we can get..
  */
          /*xwr*/
-#define __P000  PAGE_NONE_PRIVATE
-#define __P001  PAGE_RO_PRIVATE
-#define __P010  PAGE_COPY
-#define __P011  PAGE_COPY
-#define __P100  PAGE_RO_PRIVATE
-#define __P101  PAGE_RO_PRIVATE
-#define __P110  PAGE_COPY
-#define __P111  PAGE_COPY
-
-#define __S000  PAGE_NONE_SHARED
-#define __S001  PAGE_RO_SHARED
-#define __S010  PAGE_SHARED
-#define __S011  PAGE_SHARED
-#define __S100  PAGE_RO_SHARED
-#define __S101  PAGE_RO_SHARED
-#define __S110  PAGE_SHARED
-#define __S111  PAGE_SHARED
+#define __P000	PAGE_NONE
+#define __P001	PAGE_RO
+#define __P010	PAGE_RO
+#define __P011	PAGE_RO
+#define __P100	PAGE_RO
+#define __P101	PAGE_RO
+#define __P110	PAGE_RO
+#define __P111	PAGE_RO
+
+#define __S000	PAGE_NONE
+#define __S001	PAGE_RO
+#define __S010	PAGE_RW
+#define __S011	PAGE_RW
+#define __S100	PAGE_RO
+#define __S101	PAGE_RO
+#define __S110	PAGE_RW
+#define __S111	PAGE_RW
 
 /*
  * Certain architectures need to do special things when PTEs
@@ -377,18 +365,18 @@ static inline int pmd_bad(pmd_t pmd)
 
 static inline int pte_none(pte_t pte)
 {
-	return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_EMPTY;
+	return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_EMPTY;
 }
 
 static inline int pte_present(pte_t pte)
 {
 	return !(pte_val(pte) & _PAGE_INVALID) ||
-		(pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_NONE;
+		(pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_NONE;
 }
 
 static inline int pte_file(pte_t pte)
 {
-	return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_FILE;
+	return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_FILE;
 }
 
 #define pte_same(a,b)	(pte_val(a) == pte_val(b))
@@ -461,7 +449,7 @@ static inline void pmd_clear(pmd_t * pmdp)
 
 static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
-	pte_val(*ptep) = _PAGE_INVALID_EMPTY;
+	pte_val(*ptep) = _PAGE_TYPE_EMPTY;
 }
 
 /*
@@ -477,7 +465,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 
 static inline pte_t pte_wrprotect(pte_t pte)
 {
-	/* Do not clobber _PAGE_INVALID_NONE pages!  */
+	/* Do not clobber _PAGE_TYPE_NONE pages!  */
 	if (!(pte_val(pte) & _PAGE_INVALID))
 		pte_val(pte) |= _PAGE_RO;
 	return pte;
@@ -556,26 +544,30 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
 	return pte;
 }
 
-static inline pte_t
-ptep_clear_flush(struct vm_area_struct *vma,
-		 unsigned long address, pte_t *ptep)
+static inline void __ptep_ipte(unsigned long address, pte_t *ptep)
 {
-	pte_t pte = *ptep;
+	if (!(pte_val(*ptep) & _PAGE_INVALID)) {
 #ifndef __s390x__
-	if (!(pte_val(pte) & _PAGE_INVALID)) {
 		/* S390 has 1mb segments, we are emulating 4MB segments */
 		pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00);
-		__asm__ __volatile__ ("ipte %2,%3"
-				      : "=m" (*ptep) : "m" (*ptep),
-				        "a" (pto), "a" (address) );
+#else
+		/* ipte in zarch mode can do the math */
+		pte_t *pto = ptep;
+#endif
+		asm volatile ("ipte %2,%3"
+			      : "=m" (*ptep) : "m" (*ptep),
+				"a" (pto), "a" (address) );
 	}
-#else /* __s390x__ */
-	if (!(pte_val(pte) & _PAGE_INVALID)) 
-		__asm__ __volatile__ ("ipte %2,%3"
-				      : "=m" (*ptep) : "m" (*ptep),
-				        "a" (ptep), "a" (address) );
-#endif /* __s390x__ */
-	pte_val(*ptep) = _PAGE_INVALID_EMPTY;
+	pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+}
+
+static inline pte_t
+ptep_clear_flush(struct vm_area_struct *vma,
+		 unsigned long address, pte_t *ptep)
+{
+	pte_t pte = *ptep;
+
+	__ptep_ipte(address, ptep);
 	return pte;
 }
 
@@ -755,7 +747,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 {
 	pte_t pte;
 	offset &= __SWP_OFFSET_MASK;
-	pte_val(pte) = _PAGE_INVALID_SWAP | ((type & 0x1f) << 2) |
+	pte_val(pte) = _PAGE_TYPE_SWAP | ((type & 0x1f) << 2) |
 		((offset & 1UL) << 7) | ((offset & ~1UL) << 11);
 	return pte;
 }
@@ -778,7 +770,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 
 #define pgoff_to_pte(__off) \
 	((pte_t) { ((((__off) & 0x7f) << 1) + (((__off) >> 7) << 12)) \
-		   | _PAGE_INVALID_FILE })
+		   | _PAGE_TYPE_FILE })
 
 #endif /* !__ASSEMBLY__ */
 
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 5b71d373172..a3a4e5fd30d 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -339,4 +339,21 @@ int unregister_idle_notifier(struct notifier_block *nb);
 
 #endif
 
+/*
+ * Helper macro for exception table entries
+ */
+#ifndef __s390x__
+#define EX_TABLE(_fault,_target)			\
+	".section __ex_table,\"a\"\n"			\
+	"	.align 4\n"				\
+	"	.long  " #_fault "," #_target "\n"	\
+	".previous\n"
+#else
+#define EX_TABLE(_fault,_target)			\
+	".section __ex_table,\"a\"\n"			\
+	"	.align 8\n"				\
+	"	.quad  " #_fault "," #_target "\n"	\
+	".previous\n"
+#endif
+
 #endif                                 /* __ASM_S390_PROCESSOR_H           */
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 19e31979309..f1959732b6f 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -14,8 +14,6 @@
 
 #define PARMAREA		0x10400
 #define COMMAND_LINE_SIZE 	896
-#define RAMDISK_ORIGIN		0x800000
-#define RAMDISK_SIZE		0x800000
 #define MEMORY_CHUNKS		16	/* max 0x7fff */
 #define IPL_PARMBLOCK_ORIGIN	0x2000
 
@@ -46,10 +44,12 @@ extern unsigned long machine_flags;
 #define MACHINE_HAS_IEEE	(machine_flags & 2)
 #define MACHINE_HAS_CSP		(machine_flags & 8)
 #define MACHINE_HAS_DIAG44	(1)
+#define MACHINE_HAS_MVCOS	(0)
 #else /* __s390x__ */
 #define MACHINE_HAS_IEEE	(1)
 #define MACHINE_HAS_CSP		(1)
 #define MACHINE_HAS_DIAG44	(machine_flags & 32)
+#define MACHINE_HAS_MVCOS	(machine_flags & 512)
 #endif /* __s390x__ */
 
 
@@ -70,52 +70,76 @@ extern unsigned int console_irq;
 #define SET_CONSOLE_3215	do { console_mode = 2; } while (0)
 #define SET_CONSOLE_3270	do { console_mode = 3; } while (0)
 
-struct ipl_list_header {
-	u32 length;
-	u8  reserved[3];
+
+struct ipl_list_hdr {
+	u32 len;
+	u8  reserved1[3];
 	u8  version;
+	u32 blk0_len;
+	u8  pbt;
+	u8  flags;
+	u16 reserved2;
 } __attribute__((packed));
 
 struct ipl_block_fcp {
-	u32 length;
-	u8  pbt;
-	u8  reserved1[322-1];
+	u8  reserved1[313-1];
+	u8  opt;
+	u8  reserved2[3];
+	u16 reserved3;
 	u16 devno;
-	u8  reserved2[4];
+	u8  reserved4[4];
 	u64 wwpn;
 	u64 lun;
 	u32 bootprog;
-	u8  reserved3[12];
+	u8  reserved5[12];
 	u64 br_lba;
 	u32 scp_data_len;
-	u8  reserved4[260];
+	u8  reserved6[260];
 	u8  scp_data[];
 } __attribute__((packed));
 
+struct ipl_block_ccw {
+	u8  load_param[8];
+	u8  reserved1[84];
+	u8  reserved2[2];
+	u16 devno;
+	u8  vm_flags;
+	u8  reserved3[3];
+	u32 vm_parm_len;
+} __attribute__((packed));
+
 struct ipl_parameter_block {
+	struct ipl_list_hdr hdr;
 	union {
-		u32 length;
-		struct ipl_list_header header;
-	} hdr;
-	struct ipl_block_fcp fcp;
+		struct ipl_block_fcp fcp;
+		struct ipl_block_ccw ccw;
+	} ipl_info;
 } __attribute__((packed));
 
-#define IPL_MAX_SUPPORTED_VERSION (0)
+#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
+			      sizeof(struct ipl_block_fcp))
 
-#define IPL_TYPE_FCP (0)
+#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
+			      sizeof(struct ipl_block_ccw))
+
+#define IPL_MAX_SUPPORTED_VERSION (0)
 
 /*
  * IPL validity flags and parameters as detected in head.S
  */
-extern u32 ipl_parameter_flags;
+extern u32 ipl_flags;
 extern u16 ipl_devno;
 
-#define IPL_DEVNO_VALID		(ipl_parameter_flags & 1)
-#define IPL_PARMBLOCK_VALID	(ipl_parameter_flags & 2)
+void do_reipl(void);
+
+enum {
+	IPL_DEVNO_VALID	= 1,
+	IPL_PARMBLOCK_VALID = 2,
+};
 
 #define IPL_PARMBLOCK_START	((struct ipl_parameter_block *) \
 				 IPL_PARMBLOCK_ORIGIN)
-#define IPL_PARMBLOCK_SIZE	(IPL_PARMBLOCK_START->hdr.length)
+#define IPL_PARMBLOCK_SIZE	(IPL_PARMBLOCK_START->hdr.len)
 
 #else /* __ASSEMBLY__ */
 
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index 657646054c5..9fb02e9779c 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -104,7 +104,7 @@ smp_call_function_on(void (*func) (void *info), void *info,
 #define smp_cpu_not_running(cpu)	1
 #define smp_get_cpu(cpu) ({ 0; })
 #define smp_put_cpu(cpu) ({ 0; })
-#define smp_setup_cpu_possible_map()
+#define smp_setup_cpu_possible_map()	do { } while (0)
 #endif
 
 #endif
diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h
index 0b7c0ca4c3d..e2047b0c909 100644
--- a/include/asm-s390/uaccess.h
+++ b/include/asm-s390/uaccess.h
@@ -47,7 +47,7 @@
 		S390_lowcore.user_asce : S390_lowcore.kernel_asce;	\
 	asm volatile ("lctlg 7,7,%0" : : "m" (__pto) );			\
 })
-#else
+#else /* __s390x__ */
 #define set_fs(x) \
 ({									\
 	unsigned long __pto;						\
@@ -56,7 +56,7 @@
 		S390_lowcore.user_asce : S390_lowcore.kernel_asce;	\
 	asm volatile ("lctl  7,7,%0" : : "m" (__pto) );			\
 })
-#endif
+#endif /* __s390x__ */
 
 #define segment_eq(a,b) ((a).ar4 == (b).ar4)
 
@@ -85,76 +85,51 @@ struct exception_table_entry
         unsigned long insn, fixup;
 };
 
-#ifndef __s390x__
-#define __uaccess_fixup \
-	".section .fixup,\"ax\"\n"	\
-	"2: lhi    %0,%4\n"		\
-	"   bras   1,3f\n"		\
-	"   .long  1b\n"		\
-	"3: l      1,0(1)\n"		\
-	"   br     1\n"			\
-	".previous\n"			\
-	".section __ex_table,\"a\"\n"	\
-	"   .align 4\n"			\
-	"   .long  0b,2b\n"		\
-	".previous"
-#define __uaccess_clobber "cc", "1"
-#else /* __s390x__ */
-#define __uaccess_fixup \
-	".section .fixup,\"ax\"\n"	\
-	"2: lghi   %0,%4\n"		\
-	"   jg     1b\n"		\
-	".previous\n"			\
-	".section __ex_table,\"a\"\n"	\
-	"   .align 8\n"			\
-	"   .quad  0b,2b\n"		\
-	".previous"
-#define __uaccess_clobber "cc"
-#endif /* __s390x__ */
+struct uaccess_ops {
+	size_t (*copy_from_user)(size_t, const void __user *, void *);
+	size_t (*copy_from_user_small)(size_t, const void __user *, void *);
+	size_t (*copy_to_user)(size_t, void __user *, const void *);
+	size_t (*copy_to_user_small)(size_t, void __user *, const void *);
+	size_t (*copy_in_user)(size_t, void __user *, const void __user *);
+	size_t (*clear_user)(size_t, void __user *);
+	size_t (*strnlen_user)(size_t, const char __user *);
+	size_t (*strncpy_from_user)(size_t, const char __user *, char *);
+	int (*futex_atomic_op)(int op, int __user *, int oparg, int *old);
+	int (*futex_atomic_cmpxchg)(int __user *, int old, int new);
+};
+
+extern struct uaccess_ops uaccess;
+extern struct uaccess_ops uaccess_std;
+extern struct uaccess_ops uaccess_mvcos;
+
+static inline int __put_user_fn(size_t size, void __user *ptr, void *x)
+{
+	size = uaccess.copy_to_user_small(size, ptr, x);
+	return size ? -EFAULT : size;
+}
+
+static inline int __get_user_fn(size_t size, const void __user *ptr, void *x)
+{
+	size = uaccess.copy_from_user_small(size, ptr, x);
+	return size ? -EFAULT : size;
+}
 
 /*
  * These are the main single-value transfer routines.  They automatically
  * use the right size if we just have the right pointer type.
  */
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-#define __put_user_asm(x, ptr, err) \
-({								\
-	err = 0;						\
-	asm volatile(						\
-		"0: mvcs  0(%1,%2),%3,%0\n"			\
-		"1:\n"						\
-		__uaccess_fixup					\
-		: "+&d" (err)					\
-		: "d" (sizeof(*(ptr))), "a" (ptr), "Q" (x),	\
-		  "K" (-EFAULT)					\
-		: __uaccess_clobber );				\
-})
-#else
-#define __put_user_asm(x, ptr, err) \
-({								\
-	err = 0;						\
-	asm volatile(						\
-		"0: mvcs  0(%1,%2),0(%3),%0\n"			\
-		"1:\n"						\
-		__uaccess_fixup					\
-		: "+&d" (err)					\
-		: "d" (sizeof(*(ptr))), "a" (ptr), "a" (&(x)),	\
-		  "K" (-EFAULT), "m" (x)			\
-		: __uaccess_clobber );				\
-})
-#endif
-
 #define __put_user(x, ptr) \
 ({								\
 	__typeof__(*(ptr)) __x = (x);				\
-	int __pu_err;						\
+	int __pu_err = -EFAULT;					\
         __chk_user_ptr(ptr);                                    \
 	switch (sizeof (*(ptr))) {				\
 	case 1:							\
 	case 2:							\
 	case 4:							\
 	case 8:							\
-		__put_user_asm(__x, ptr, __pu_err);		\
+		__pu_err = __put_user_fn(sizeof (*(ptr)),	\
+					 ptr, &__x);		\
 		break;						\
 	default:						\
 		__put_user_bad();				\
@@ -172,60 +147,36 @@ struct exception_table_entry
 
 extern int __put_user_bad(void) __attribute__((noreturn));
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-#define __get_user_asm(x, ptr, err) \
-({								\
-	err = 0;						\
-	asm volatile (						\
-		"0: mvcp  %O1(%2,%R1),0(%3),%0\n"		\
-		"1:\n"						\
-		__uaccess_fixup					\
-		: "+&d" (err), "=Q" (x)				\
-		: "d" (sizeof(*(ptr))), "a" (ptr),		\
-		  "K" (-EFAULT)					\
-		: __uaccess_clobber );				\
-})
-#else
-#define __get_user_asm(x, ptr, err) \
-({								\
-	err = 0;						\
-	asm volatile (						\
-		"0: mvcp  0(%2,%5),0(%3),%0\n"			\
-		"1:\n"						\
-		__uaccess_fixup					\
-		: "+&d" (err), "=m" (x)				\
-		: "d" (sizeof(*(ptr))), "a" (ptr),		\
-		  "K" (-EFAULT), "a" (&(x))			\
-		: __uaccess_clobber );				\
-})
-#endif
-
 #define __get_user(x, ptr)					\
 ({								\
-	int __gu_err;						\
-        __chk_user_ptr(ptr);                                    \
+	int __gu_err = -EFAULT;					\
+	__chk_user_ptr(ptr);					\
 	switch (sizeof(*(ptr))) {				\
 	case 1: {						\
 		unsigned char __x;				\
-		__get_user_asm(__x, ptr, __gu_err);		\
+		__gu_err = __get_user_fn(sizeof (*(ptr)),	\
+					 ptr, &__x);		\
 		(x) = *(__force __typeof__(*(ptr)) *) &__x;	\
 		break;						\
 	};							\
 	case 2: {						\
 		unsigned short __x;				\
-		__get_user_asm(__x, ptr, __gu_err);		\
+		__gu_err = __get_user_fn(sizeof (*(ptr)),	\
+					 ptr, &__x);		\
 		(x) = *(__force __typeof__(*(ptr)) *) &__x;	\
 		break;						\
 	};							\
 	case 4: {						\
 		unsigned int __x;				\
-		__get_user_asm(__x, ptr, __gu_err);		\
+		__gu_err = __get_user_fn(sizeof (*(ptr)),	\
+					 ptr, &__x);		\
 		(x) = *(__force __typeof__(*(ptr)) *) &__x;	\
 		break;						\
 	};							\
 	case 8: {						\
 		unsigned long long __x;				\
-		__get_user_asm(__x, ptr, __gu_err);		\
+		__gu_err = __get_user_fn(sizeof (*(ptr)),	\
+					 ptr, &__x);		\
 		(x) = *(__force __typeof__(*(ptr)) *) &__x;	\
 		break;						\
 	};							\
@@ -247,8 +198,6 @@ extern int __get_user_bad(void) __attribute__((noreturn));
 #define __put_user_unaligned __put_user
 #define __get_user_unaligned __get_user
 
-extern long __copy_to_user_asm(const void *from, long n, void __user *to);
-
 /**
  * __copy_to_user: - Copy a block of data into user space, with less checking.
  * @to:   Destination address, in user space.
@@ -266,7 +215,10 @@ extern long __copy_to_user_asm(const void *from, long n, void __user *to);
 static inline unsigned long
 __copy_to_user(void __user *to, const void *from, unsigned long n)
 {
-	return __copy_to_user_asm(from, n, to);
+	if (__builtin_constant_p(n) && (n <= 256))
+		return uaccess.copy_to_user_small(n, to, from);
+	else
+		return uaccess.copy_to_user(n, to, from);
 }
 
 #define __copy_to_user_inatomic __copy_to_user
@@ -294,8 +246,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
 	return n;
 }
 
-extern long __copy_from_user_asm(void *to, long n, const void __user *from);
-
 /**
  * __copy_from_user: - Copy a block of data from user space, with less checking.
  * @to:   Destination address, in kernel space.
@@ -316,7 +266,10 @@ extern long __copy_from_user_asm(void *to, long n, const void __user *from);
 static inline unsigned long
 __copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-	return __copy_from_user_asm(to, n, from);
+	if (__builtin_constant_p(n) && (n <= 256))
+		return uaccess.copy_from_user_small(n, from, to);
+	else
+		return uaccess.copy_from_user(n, from, to);
 }
 
 /**
@@ -346,13 +299,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
 	return n;
 }
 
-extern unsigned long __copy_in_user_asm(const void __user *from, long n,
-							void __user *to);
-
 static inline unsigned long
 __copy_in_user(void __user *to, const void __user *from, unsigned long n)
 {
-	return __copy_in_user_asm(from, n, to);
+	return uaccess.copy_in_user(n, to, from);
 }
 
 static inline unsigned long
@@ -360,34 +310,28 @@ copy_in_user(void __user *to, const void __user *from, unsigned long n)
 {
 	might_sleep();
 	if (__access_ok(from,n) && __access_ok(to,n))
-		n = __copy_in_user_asm(from, n, to);
+		n = __copy_in_user(to, from, n);
 	return n;
 }
 
 /*
  * Copy a null terminated string from userspace.
  */
-extern long __strncpy_from_user_asm(long count, char *dst,
-					const char __user *src);
-
 static inline long
 strncpy_from_user(char *dst, const char __user *src, long count)
 {
         long res = -EFAULT;
         might_sleep();
         if (access_ok(VERIFY_READ, src, 1))
-                res = __strncpy_from_user_asm(count, dst, src);
+		res = uaccess.strncpy_from_user(count, src, dst);
         return res;
 }
 
-
-extern long __strnlen_user_asm(long count, const char __user *src);
-
 static inline unsigned long
 strnlen_user(const char __user * src, unsigned long n)
 {
 	might_sleep();
-	return __strnlen_user_asm(n, src);
+	return uaccess.strnlen_user(n, src);
 }
 
 /**
@@ -410,12 +354,10 @@ strnlen_user(const char __user * src, unsigned long n)
  * Zero Userspace
  */
 
-extern long __clear_user_asm(void __user *to, long n);
-
 static inline unsigned long
 __clear_user(void __user *to, unsigned long n)
 {
-	return __clear_user_asm(to, n);
+	return uaccess.clear_user(n, to);
 }
 
 static inline unsigned long
@@ -423,7 +365,7 @@ clear_user(void __user *to, unsigned long n)
 {
 	might_sleep();
 	if (access_ok(VERIFY_WRITE, to, n))
-		n = __clear_user_asm(to, n);
+		n = uaccess.clear_user(n, to);
 	return n;
 }
 
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index aa7a243862e..02b942d85c3 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -25,17 +25,12 @@
 #define __NR_unlink              10
 #define __NR_execve              11
 #define __NR_chdir               12
-#define __NR_time                13
 #define __NR_mknod               14
 #define __NR_chmod               15
-#define __NR_lchown              16
 #define __NR_lseek               19
 #define __NR_getpid              20
 #define __NR_mount               21
 #define __NR_umount              22
-#define __NR_setuid              23
-#define __NR_getuid              24
-#define __NR_stime               25
 #define __NR_ptrace              26
 #define __NR_alarm               27
 #define __NR_pause               29
@@ -51,11 +46,7 @@
 #define __NR_pipe                42
 #define __NR_times               43
 #define __NR_brk                 45
-#define __NR_setgid              46
-#define __NR_getgid              47
 #define __NR_signal              48
-#define __NR_geteuid             49
-#define __NR_getegid             50
 #define __NR_acct                51
 #define __NR_umount2             52
 #define __NR_ioctl               54
@@ -69,18 +60,13 @@
 #define __NR_getpgrp             65
 #define __NR_setsid              66
 #define __NR_sigaction           67
-#define __NR_setreuid            70
-#define __NR_setregid            71
 #define __NR_sigsuspend          72
 #define __NR_sigpending          73
 #define __NR_sethostname         74
 #define __NR_setrlimit           75
-#define __NR_getrlimit           76
 #define __NR_getrusage           77
 #define __NR_gettimeofday        78
 #define __NR_settimeofday        79
-#define __NR_getgroups           80
-#define __NR_setgroups           81
 #define __NR_symlink             83
 #define __NR_readlink            85
 #define __NR_uselib              86
@@ -92,12 +78,10 @@
 #define __NR_truncate            92
 #define __NR_ftruncate           93
 #define __NR_fchmod              94
-#define __NR_fchown              95
 #define __NR_getpriority         96
 #define __NR_setpriority         97
 #define __NR_statfs              99
 #define __NR_fstatfs            100
-#define __NR_ioperm             101
 #define __NR_socketcall         102
 #define __NR_syslog             103
 #define __NR_setitimer          104
@@ -131,11 +115,7 @@
 #define __NR_sysfs              135
 #define __NR_personality        136
 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
-#define __NR_setfsuid           138
-#define __NR_setfsgid           139
-#define __NR__llseek            140
 #define __NR_getdents           141
-#define __NR__newselect         142
 #define __NR_flock              143
 #define __NR_msync              144
 #define __NR_readv              145
@@ -157,13 +137,9 @@
 #define __NR_sched_rr_get_interval      161
 #define __NR_nanosleep          162
 #define __NR_mremap             163
-#define __NR_setresuid          164
-#define __NR_getresuid          165
 #define __NR_query_module       167
 #define __NR_poll               168
 #define __NR_nfsservctl         169
-#define __NR_setresgid          170
-#define __NR_getresgid          171
 #define __NR_prctl              172
 #define __NR_rt_sigreturn       173
 #define __NR_rt_sigaction       174
@@ -174,7 +150,6 @@
 #define __NR_rt_sigsuspend      179
 #define __NR_pread64            180
 #define __NR_pwrite64           181
-#define __NR_chown              182
 #define __NR_getcwd             183
 #define __NR_capget             184
 #define __NR_capset             185
@@ -183,39 +158,11 @@
 #define __NR_getpmsg		188
 #define __NR_putpmsg		189
 #define __NR_vfork		190
-#define __NR_ugetrlimit		191	/* SuS compliant getrlimit */
-#define __NR_mmap2		192
-#define __NR_truncate64		193
-#define __NR_ftruncate64	194
-#define __NR_stat64		195
-#define __NR_lstat64		196
-#define __NR_fstat64		197
-#define __NR_lchown32		198
-#define __NR_getuid32		199
-#define __NR_getgid32		200
-#define __NR_geteuid32		201
-#define __NR_getegid32		202
-#define __NR_setreuid32		203
-#define __NR_setregid32		204
-#define __NR_getgroups32	205
-#define __NR_setgroups32	206
-#define __NR_fchown32		207
-#define __NR_setresuid32	208
-#define __NR_getresuid32	209
-#define __NR_setresgid32	210
-#define __NR_getresgid32	211
-#define __NR_chown32		212
-#define __NR_setuid32		213
-#define __NR_setgid32		214
-#define __NR_setfsuid32		215
-#define __NR_setfsgid32		216
 #define __NR_pivot_root         217
 #define __NR_mincore            218
 #define __NR_madvise            219
 #define __NR_getdents64		220
-#define __NR_fcntl64		221
 #define __NR_readahead		222
-#define __NR_sendfile64		223
 #define __NR_setxattr		224
 #define __NR_lsetxattr		225
 #define __NR_fsetxattr		226
@@ -256,7 +203,6 @@
 #define __NR_clock_getres	(__NR_timer_create+7)
 #define __NR_clock_nanosleep	(__NR_timer_create+8)
 /* Number 263 is reserved for vserver */
-#define __NR_fadvise64_64	264
 #define __NR_statfs64		265
 #define __NR_fstatfs64		266
 #define __NR_remap_file_pages	267
@@ -285,7 +231,6 @@
 #define __NR_mknodat		290
 #define __NR_fchownat		291
 #define __NR_futimesat		292
-#define __NR_fstatat64		293
 #define __NR_unlinkat		294
 #define __NR_renameat		295
 #define __NR_linkat		296
@@ -310,62 +255,65 @@
  * have a different name although they do the same (e.g. __NR_chown32
  * is __NR_chown on 64 bit).
  */
-#ifdef __s390x__
-#undef  __NR_time
-#undef  __NR_lchown
-#undef  __NR_setuid
-#undef  __NR_getuid
-#undef  __NR_stime
-#undef  __NR_setgid
-#undef  __NR_getgid
-#undef  __NR_geteuid
-#undef  __NR_getegid
-#undef  __NR_setreuid
-#undef  __NR_setregid
-#undef  __NR_getrlimit
-#undef  __NR_getgroups
-#undef  __NR_setgroups
-#undef  __NR_fchown
-#undef  __NR_ioperm
-#undef  __NR_setfsuid
-#undef  __NR_setfsgid
-#undef  __NR__llseek
-#undef  __NR__newselect
-#undef  __NR_setresuid
-#undef  __NR_getresuid
-#undef  __NR_setresgid
-#undef  __NR_getresgid
-#undef  __NR_chown
-#undef  __NR_ugetrlimit
-#undef  __NR_mmap2
-#undef  __NR_truncate64
-#undef  __NR_ftruncate64
-#undef  __NR_stat64
-#undef  __NR_lstat64
-#undef  __NR_fstat64
-#undef  __NR_lchown32
-#undef  __NR_getuid32
-#undef  __NR_getgid32
-#undef  __NR_geteuid32
-#undef  __NR_getegid32
-#undef  __NR_setreuid32
-#undef  __NR_setregid32
-#undef  __NR_getgroups32
-#undef  __NR_setgroups32
-#undef  __NR_fchown32
-#undef  __NR_setresuid32
-#undef  __NR_getresuid32
-#undef  __NR_setresgid32
-#undef  __NR_getresgid32
-#undef  __NR_chown32
-#undef  __NR_setuid32
-#undef  __NR_setgid32
-#undef  __NR_setfsuid32
-#undef  __NR_setfsgid32
-#undef  __NR_fcntl64
-#undef  __NR_sendfile64
-#undef  __NR_fadvise64_64
-#undef  __NR_fstatat64
+#ifndef __s390x__
+
+#define __NR_time		 13
+#define __NR_lchown		 16
+#define __NR_setuid		 23
+#define __NR_getuid		 24
+#define __NR_stime		 25
+#define __NR_setgid		 46
+#define __NR_getgid		 47
+#define __NR_geteuid		 49
+#define __NR_getegid		 50
+#define __NR_setreuid		 70
+#define __NR_setregid		 71
+#define __NR_getrlimit		 76
+#define __NR_getgroups		 80
+#define __NR_setgroups		 81
+#define __NR_fchown		 95
+#define __NR_ioperm		101
+#define __NR_setfsuid		138
+#define __NR_setfsgid		139
+#define __NR__llseek		140
+#define __NR__newselect 	142
+#define __NR_setresuid		164
+#define __NR_getresuid		165
+#define __NR_setresgid		170
+#define __NR_getresgid		171
+#define __NR_chown		182
+#define __NR_ugetrlimit		191	/* SuS compliant getrlimit */
+#define __NR_mmap2		192
+#define __NR_truncate64		193
+#define __NR_ftruncate64	194
+#define __NR_stat64		195
+#define __NR_lstat64		196
+#define __NR_fstat64		197
+#define __NR_lchown32		198
+#define __NR_getuid32		199
+#define __NR_getgid32		200
+#define __NR_geteuid32		201
+#define __NR_getegid32		202
+#define __NR_setreuid32		203
+#define __NR_setregid32		204
+#define __NR_getgroups32	205
+#define __NR_setgroups32	206
+#define __NR_fchown32		207
+#define __NR_setresuid32	208
+#define __NR_getresuid32	209
+#define __NR_setresgid32	210
+#define __NR_getresgid32	211
+#define __NR_chown32		212
+#define __NR_setuid32		213
+#define __NR_setgid32		214
+#define __NR_setfsuid32		215
+#define __NR_setfsgid32		216
+#define __NR_fcntl64		221
+#define __NR_sendfile64		223
+#define __NR_fadvise64_64	264
+#define __NR_fstatat64		293
+
+#else
 
 #define __NR_select		142
 #define __NR_getrlimit		191	/* SuS compliant getrlimit */
diff --git a/include/asm-s390/z90crypt.h b/include/asm-s390/z90crypt.h
deleted file mode 100644
index 31a2439b07b..00000000000
--- a/include/asm-s390/z90crypt.h
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- *  include/asm-s390/z90crypt.h
- *
- *  z90crypt 1.3.3 (user-visible header)
- *
- *  Copyright (C)  2001, 2005 IBM Corporation
- *  Author(s): Robert Burroughs
- *             Eric Rossman (edrossma@us.ibm.com)
- *
- *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __ASM_S390_Z90CRYPT_H
-#define __ASM_S390_Z90CRYPT_H
-#include <linux/ioctl.h>
-
-#define z90crypt_VERSION 1
-#define z90crypt_RELEASE 3	// 2 = PCIXCC, 3 = rewrite for coding standards
-#define z90crypt_VARIANT 3	// 3 = CEX2A support
-
-/**
- * struct ica_rsa_modexpo
- *
- * Requirements:
- * - outputdatalength is at least as large as inputdatalength.
- * - All key parts are right justified in their fields, padded on
- *   the left with zeroes.
- * - length(b_key) = inputdatalength
- * - length(n_modulus) = inputdatalength
- */
-struct ica_rsa_modexpo {
-	char __user *	inputdata;
-	unsigned int	inputdatalength;
-	char __user *	outputdata;
-	unsigned int	outputdatalength;
-	char __user *	b_key;
-	char __user *	n_modulus;
-};
-
-/**
- * struct ica_rsa_modexpo_crt
- *
- * Requirements:
- * - inputdatalength is even.
- * - outputdatalength is at least as large as inputdatalength.
- * - All key parts are right justified in their fields, padded on
- *   the left with zeroes.
- * - length(bp_key)	= inputdatalength/2 + 8
- * - length(bq_key)	= inputdatalength/2
- * - length(np_key)	= inputdatalength/2 + 8
- * - length(nq_key)	= inputdatalength/2
- * - length(u_mult_inv) = inputdatalength/2 + 8
- */
-struct ica_rsa_modexpo_crt {
-	char __user *	inputdata;
-	unsigned int	inputdatalength;
-	char __user *	outputdata;
-	unsigned int	outputdatalength;
-	char __user *	bp_key;
-	char __user *	bq_key;
-	char __user *	np_prime;
-	char __user *	nq_prime;
-	char __user *	u_mult_inv;
-};
-
-#define Z90_IOCTL_MAGIC 'z'  // NOTE:  Need to allocate from linux folks
-
-/**
- * Interface notes:
- *
- * The ioctl()s which are implemented (along with relevant details)
- * are:
- *
- *   ICARSAMODEXPO
- *     Perform an RSA operation using a Modulus-Exponent pair
- *     This takes an ica_rsa_modexpo struct as its arg.
- *
- *     NOTE: please refer to the comments preceding this structure
- *           for the implementation details for the contents of the
- *           block
- *
- *   ICARSACRT
- *     Perform an RSA operation using a Chinese-Remainder Theorem key
- *     This takes an ica_rsa_modexpo_crt struct as its arg.
- *
- *     NOTE: please refer to the comments preceding this structure
- *           for the implementation details for the contents of the
- *           block
- *
- *   Z90STAT_TOTALCOUNT
- *     Return an integer count of all device types together.
- *
- *   Z90STAT_PCICACOUNT
- *     Return an integer count of all PCICAs.
- *
- *   Z90STAT_PCICCCOUNT
- *     Return an integer count of all PCICCs.
- *
- *   Z90STAT_PCIXCCMCL2COUNT
- *     Return an integer count of all MCL2 PCIXCCs.
- *
- *   Z90STAT_PCIXCCMCL3COUNT
- *     Return an integer count of all MCL3 PCIXCCs.
- *
- *   Z90STAT_CEX2CCOUNT
- *     Return an integer count of all CEX2Cs.
- *
- *   Z90STAT_CEX2ACOUNT
- *     Return an integer count of all CEX2As.
- *
- *   Z90STAT_REQUESTQ_COUNT
- *     Return an integer count of the number of entries waiting to be
- *     sent to a device.
- *
- *   Z90STAT_PENDINGQ_COUNT
- *     Return an integer count of the number of entries sent to a
- *     device awaiting the reply.
- *
- *   Z90STAT_TOTALOPEN_COUNT
- *     Return an integer count of the number of open file handles.
- *
- *   Z90STAT_DOMAIN_INDEX
- *     Return the integer value of the Cryptographic Domain.
- *
- *   Z90STAT_STATUS_MASK
- *     Return an 64 element array of unsigned chars for the status of
- *     all devices.
- *       0x01: PCICA
- *       0x02: PCICC
- *       0x03: PCIXCC_MCL2
- *       0x04: PCIXCC_MCL3
- *       0x05: CEX2C
- *       0x06: CEX2A
- *       0x0d: device is disabled via the proc filesystem
- *
- *   Z90STAT_QDEPTH_MASK
- *     Return an 64 element array of unsigned chars for the queue
- *     depth of all devices.
- *
- *   Z90STAT_PERDEV_REQCNT
- *     Return an 64 element array of unsigned integers for the number
- *     of successfully completed requests per device since the device
- *     was detected and made available.
- *
- *   ICAZ90STATUS (deprecated)
- *     Return some device driver status in a ica_z90_status struct
- *     This takes an ica_z90_status struct as its arg.
- *
- *     NOTE: this ioctl() is deprecated, and has been replaced with
- *           single ioctl()s for each type of status being requested
- *
- *   Z90STAT_PCIXCCCOUNT (deprecated)
- *     Return an integer count of all PCIXCCs (MCL2 + MCL3).
- *     This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
- *     MCL2 PCIXCCs.
- *
- *   Z90QUIESCE (not recommended)
- *     Quiesce the driver.  This is intended to stop all new
- *     requests from being processed.  Its use is NOT recommended,
- *     except in circumstances where there is no other way to stop
- *     callers from accessing the driver.  Its original use was to
- *     allow the driver to be "drained" of work in preparation for
- *     a system shutdown.
- *
- *     NOTE: once issued, this ban on new work cannot be undone
- *           except by unloading and reloading the driver.
- */
-
-/**
- * Supported ioctl calls
- */
-#define ICARSAMODEXPO	_IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x05, 0)
-#define ICARSACRT	_IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x06, 0)
-
-/* DEPRECATED status calls (bound for removal at some point) */
-#define ICAZ90STATUS	_IOR(Z90_IOCTL_MAGIC, 0x10, struct ica_z90_status)
-#define Z90STAT_PCIXCCCOUNT	_IOR(Z90_IOCTL_MAGIC, 0x43, int)
-
-/* unrelated to ICA callers */
-#define Z90QUIESCE	_IO(Z90_IOCTL_MAGIC, 0x11)
-
-/* New status calls */
-#define Z90STAT_TOTALCOUNT	_IOR(Z90_IOCTL_MAGIC, 0x40, int)
-#define Z90STAT_PCICACOUNT	_IOR(Z90_IOCTL_MAGIC, 0x41, int)
-#define Z90STAT_PCICCCOUNT	_IOR(Z90_IOCTL_MAGIC, 0x42, int)
-#define Z90STAT_PCIXCCMCL2COUNT	_IOR(Z90_IOCTL_MAGIC, 0x4b, int)
-#define Z90STAT_PCIXCCMCL3COUNT	_IOR(Z90_IOCTL_MAGIC, 0x4c, int)
-#define Z90STAT_CEX2CCOUNT	_IOR(Z90_IOCTL_MAGIC, 0x4d, int)
-#define Z90STAT_CEX2ACOUNT	_IOR(Z90_IOCTL_MAGIC, 0x4e, int)
-#define Z90STAT_REQUESTQ_COUNT	_IOR(Z90_IOCTL_MAGIC, 0x44, int)
-#define Z90STAT_PENDINGQ_COUNT	_IOR(Z90_IOCTL_MAGIC, 0x45, int)
-#define Z90STAT_TOTALOPEN_COUNT _IOR(Z90_IOCTL_MAGIC, 0x46, int)
-#define Z90STAT_DOMAIN_INDEX	_IOR(Z90_IOCTL_MAGIC, 0x47, int)
-#define Z90STAT_STATUS_MASK	_IOR(Z90_IOCTL_MAGIC, 0x48, char[64])
-#define Z90STAT_QDEPTH_MASK	_IOR(Z90_IOCTL_MAGIC, 0x49, char[64])
-#define Z90STAT_PERDEV_REQCNT	_IOR(Z90_IOCTL_MAGIC, 0x4a, int[64])
-
-#endif /* __ASM_S390_Z90CRYPT_H */
diff --git a/include/asm-s390/zcrypt.h b/include/asm-s390/zcrypt.h
new file mode 100644
index 00000000000..7244c68464f
--- /dev/null
+++ b/include/asm-s390/zcrypt.h
@@ -0,0 +1,285 @@
+/*
+ *  include/asm-s390/zcrypt.h
+ *
+ *  zcrypt 2.1.0 (user-visible header)
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *	       Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_S390_ZCRYPT_H
+#define __ASM_S390_ZCRYPT_H
+
+#define ZCRYPT_VERSION 2
+#define ZCRYPT_RELEASE 1
+#define ZCRYPT_VARIANT 0
+
+#include <linux/ioctl.h>
+#include <linux/compiler.h>
+
+/**
+ * struct ica_rsa_modexpo
+ *
+ * Requirements:
+ * - outputdatalength is at least as large as inputdatalength.
+ * - All key parts are right justified in their fields, padded on
+ *   the left with zeroes.
+ * - length(b_key) = inputdatalength
+ * - length(n_modulus) = inputdatalength
+ */
+struct ica_rsa_modexpo {
+	char __user *	inputdata;
+	unsigned int	inputdatalength;
+	char __user *	outputdata;
+	unsigned int	outputdatalength;
+	char __user *	b_key;
+	char __user *	n_modulus;
+};
+
+/**
+ * struct ica_rsa_modexpo_crt
+ *
+ * Requirements:
+ * - inputdatalength is even.
+ * - outputdatalength is at least as large as inputdatalength.
+ * - All key parts are right justified in their fields, padded on
+ *   the left with zeroes.
+ * - length(bp_key)	= inputdatalength/2 + 8
+ * - length(bq_key)	= inputdatalength/2
+ * - length(np_key)	= inputdatalength/2 + 8
+ * - length(nq_key)	= inputdatalength/2
+ * - length(u_mult_inv) = inputdatalength/2 + 8
+ */
+struct ica_rsa_modexpo_crt {
+	char __user *	inputdata;
+	unsigned int	inputdatalength;
+	char __user *	outputdata;
+	unsigned int	outputdatalength;
+	char __user *	bp_key;
+	char __user *	bq_key;
+	char __user *	np_prime;
+	char __user *	nq_prime;
+	char __user *	u_mult_inv;
+};
+
+/**
+ * CPRBX
+ *	  Note that all shorts and ints are big-endian.
+ *	  All pointer fields are 16 bytes long, and mean nothing.
+ *
+ *	  A request CPRB is followed by a request_parameter_block.
+ *
+ *	  The request (or reply) parameter block is organized thus:
+ *	    function code
+ *	    VUD block
+ *	    key block
+ */
+struct ica_CPRBX {
+	unsigned short	cprb_len;	/* CPRB length	      220	 */
+	unsigned char	cprb_ver_id;	/* CPRB version id.   0x02	 */
+	unsigned char	pad_000[3];	/* Alignment pad bytes		 */
+	unsigned char	func_id[2];	/* function id	      0x5432	 */
+	unsigned char	cprb_flags[4];	/* Flags			 */
+	unsigned int	req_parml;	/* request parameter buffer len	 */
+	unsigned int	req_datal;	/* request data buffer		 */
+	unsigned int	rpl_msgbl;	/* reply  message block length	 */
+	unsigned int	rpld_parml;	/* replied parameter block len	 */
+	unsigned int	rpl_datal;	/* reply data block len		 */
+	unsigned int	rpld_datal;	/* replied data block len	 */
+	unsigned int	req_extbl;	/* request extension block len	 */
+	unsigned char	pad_001[4];	/* reserved			 */
+	unsigned int	rpld_extbl;	/* replied extension block len	 */
+	unsigned char	padx000[16 - sizeof (char *)];
+	unsigned char *	req_parmb;	/* request parm block 'address'	 */
+	unsigned char	padx001[16 - sizeof (char *)];
+	unsigned char *	req_datab;	/* request data block 'address'	 */
+	unsigned char	padx002[16 - sizeof (char *)];
+	unsigned char *	rpl_parmb;	/* reply parm block 'address'	 */
+	unsigned char	padx003[16 - sizeof (char *)];
+	unsigned char *	rpl_datab;	/* reply data block 'address'	 */
+	unsigned char	padx004[16 - sizeof (char *)];
+	unsigned char *	req_extb;	/* request extension block 'addr'*/
+	unsigned char	padx005[16 - sizeof (char *)];
+	unsigned char *	rpl_extb;	/* reply extension block 'addres'*/
+	unsigned short	ccp_rtcode;	/* server return code		 */
+	unsigned short	ccp_rscode;	/* server reason code		 */
+	unsigned int	mac_data_len;	/* Mac Data Length		 */
+	unsigned char	logon_id[8];	/* Logon Identifier		 */
+	unsigned char	mac_value[8];	/* Mac Value			 */
+	unsigned char	mac_content_flgs;/* Mac content flag byte	 */
+	unsigned char	pad_002;	/* Alignment			 */
+	unsigned short	domain;		/* Domain			 */
+	unsigned char	usage_domain[4];/* Usage domain			 */
+	unsigned char	cntrl_domain[4];/* Control domain		 */
+	unsigned char	S390enf_mask[4];/* S/390 enforcement mask	 */
+	unsigned char	pad_004[36];	/* reserved			 */
+};
+
+/**
+ * xcRB
+ */
+struct ica_xcRB {
+	unsigned short	agent_ID;
+	unsigned int	user_defined;
+	unsigned short	request_ID;
+	unsigned int	request_control_blk_length;
+	unsigned char	padding1[16 - sizeof (char *)];
+	char __user *	request_control_blk_addr;
+	unsigned int	request_data_length;
+	char		padding2[16 - sizeof (char *)];
+	char __user *	request_data_address;
+	unsigned int	reply_control_blk_length;
+	char		padding3[16 - sizeof (char *)];
+	char __user *	reply_control_blk_addr;
+	unsigned int	reply_data_length;
+	char		padding4[16 - sizeof (char *)];
+	char __user *	reply_data_addr;
+	unsigned short	priority_window;
+	unsigned int	status;
+} __attribute__((packed));
+#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
+
+#define ZCRYPT_IOCTL_MAGIC 'z'
+
+/**
+ * Interface notes:
+ *
+ * The ioctl()s which are implemented (along with relevant details)
+ * are:
+ *
+ *   ICARSAMODEXPO
+ *     Perform an RSA operation using a Modulus-Exponent pair
+ *     This takes an ica_rsa_modexpo struct as its arg.
+ *
+ *     NOTE: please refer to the comments preceding this structure
+ *	     for the implementation details for the contents of the
+ *	     block
+ *
+ *   ICARSACRT
+ *     Perform an RSA operation using a Chinese-Remainder Theorem key
+ *     This takes an ica_rsa_modexpo_crt struct as its arg.
+ *
+ *     NOTE: please refer to the comments preceding this structure
+ *	     for the implementation details for the contents of the
+ *	     block
+ *
+ *   Z90STAT_TOTALCOUNT
+ *     Return an integer count of all device types together.
+ *
+ *   Z90STAT_PCICACOUNT
+ *     Return an integer count of all PCICAs.
+ *
+ *   Z90STAT_PCICCCOUNT
+ *     Return an integer count of all PCICCs.
+ *
+ *   Z90STAT_PCIXCCMCL2COUNT
+ *     Return an integer count of all MCL2 PCIXCCs.
+ *
+ *   Z90STAT_PCIXCCMCL3COUNT
+ *     Return an integer count of all MCL3 PCIXCCs.
+ *
+ *   Z90STAT_CEX2CCOUNT
+ *     Return an integer count of all CEX2Cs.
+ *
+ *   Z90STAT_CEX2ACOUNT
+ *     Return an integer count of all CEX2As.
+ *
+ *   Z90STAT_REQUESTQ_COUNT
+ *     Return an integer count of the number of entries waiting to be
+ *     sent to a device.
+ *
+ *   Z90STAT_PENDINGQ_COUNT
+ *     Return an integer count of the number of entries sent to a
+ *     device awaiting the reply.
+ *
+ *   Z90STAT_TOTALOPEN_COUNT
+ *     Return an integer count of the number of open file handles.
+ *
+ *   Z90STAT_DOMAIN_INDEX
+ *     Return the integer value of the Cryptographic Domain.
+ *
+ *   Z90STAT_STATUS_MASK
+ *     Return an 64 element array of unsigned chars for the status of
+ *     all devices.
+ *	 0x01: PCICA
+ *	 0x02: PCICC
+ *	 0x03: PCIXCC_MCL2
+ *	 0x04: PCIXCC_MCL3
+ *	 0x05: CEX2C
+ *	 0x06: CEX2A
+ *	 0x0d: device is disabled via the proc filesystem
+ *
+ *   Z90STAT_QDEPTH_MASK
+ *     Return an 64 element array of unsigned chars for the queue
+ *     depth of all devices.
+ *
+ *   Z90STAT_PERDEV_REQCNT
+ *     Return an 64 element array of unsigned integers for the number
+ *     of successfully completed requests per device since the device
+ *     was detected and made available.
+ *
+ *   ICAZ90STATUS (deprecated)
+ *     Return some device driver status in a ica_z90_status struct
+ *     This takes an ica_z90_status struct as its arg.
+ *
+ *     NOTE: this ioctl() is deprecated, and has been replaced with
+ *	     single ioctl()s for each type of status being requested
+ *
+ *   Z90STAT_PCIXCCCOUNT (deprecated)
+ *     Return an integer count of all PCIXCCs (MCL2 + MCL3).
+ *     This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
+ *     MCL2 PCIXCCs.
+ *
+ *   Z90QUIESCE (not recommended)
+ *     Quiesce the driver.  This is intended to stop all new
+ *     requests from being processed.  Its use is NOT recommended,
+ *     except in circumstances where there is no other way to stop
+ *     callers from accessing the driver.  Its original use was to
+ *     allow the driver to be "drained" of work in preparation for
+ *     a system shutdown.
+ *
+ *     NOTE: once issued, this ban on new work cannot be undone
+ *	     except by unloading and reloading the driver.
+ */
+
+/**
+ * Supported ioctl calls
+ */
+#define ICARSAMODEXPO	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
+#define ICARSACRT	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
+#define ZSECSENDCPRB	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
+
+/* New status calls */
+#define Z90STAT_TOTALCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int)
+#define Z90STAT_PCICACOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int)
+#define Z90STAT_PCICCCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int)
+#define Z90STAT_PCIXCCMCL2COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int)
+#define Z90STAT_PCIXCCMCL3COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int)
+#define Z90STAT_CEX2CCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int)
+#define Z90STAT_CEX2ACOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int)
+#define Z90STAT_REQUESTQ_COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int)
+#define Z90STAT_PENDINGQ_COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int)
+#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int)
+#define Z90STAT_DOMAIN_INDEX	_IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int)
+#define Z90STAT_STATUS_MASK	_IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
+#define Z90STAT_QDEPTH_MASK	_IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
+#define Z90STAT_PERDEV_REQCNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
+
+#endif /* __ASM_S390_ZCRYPT_H */
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index f6977708585..f7ca0b09075 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -148,6 +148,17 @@ struct ccw_device_id {
 #define CCW_DEVICE_ID_MATCH_DEVICE_TYPE		0x04
 #define CCW_DEVICE_ID_MATCH_DEVICE_MODEL	0x08
 
+/* s390 AP bus devices */
+struct ap_device_id {
+	__u16 match_flags;	/* which fields to match against */
+	__u8 dev_type;		/* device type */
+	__u8 pad1;
+	__u32 pad2;
+	kernel_ulong_t driver_info;
+};
+
+#define AP_DEVICE_ID_MATCH_DEVICE_TYPE		0x01
+
 
 #define PNP_ID_LEN	8
 #define PNP_MAX_DEVICES	8
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index e2de650d3db..de76da80443 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -265,6 +265,14 @@ static int do_ccw_entry(const char *filename,
 	return 1;
 }
 
+/* looks like: "ap:tN" */
+static int do_ap_entry(const char *filename,
+		       struct ap_device_id *id, char *alias)
+{
+	sprintf(alias, "ap:t%02X", id->dev_type);
+	return 1;
+}
+
 /* Looks like: "serio:tyNprNidNexN" */
 static int do_serio_entry(const char *filename,
 			  struct serio_device_id *id, char *alias)
@@ -503,6 +511,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
 		do_table(symval, sym->st_size,
 			 sizeof(struct ccw_device_id), "ccw",
 			 do_ccw_entry, mod);
+	else if (sym_is(symname, "__mod_ap_device_table"))
+		do_table(symval, sym->st_size,
+			 sizeof(struct ap_device_id), "ap",
+			 do_ap_entry, mod);
 	else if (sym_is(symname, "__mod_serio_device_table"))
 		do_table(symval, sym->st_size,
 			 sizeof(struct serio_device_id), "serio",