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/*
* Copyright © 2007 Sun Microsystems, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _SYS_PCI_TOOLS_H
#define _SYS_PCI_TOOLS_H
#pragma ident "@(#)pci_tools.h 1.4 05/09/28 SMI"
#include <sys/modctl.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Versioning. Have different versions for userland program and drivers, so
* they can all stay in sync with each other.
*/
#define PCITOOL_USER_VERSION 1
#define PCITOOL_DRVR_VERSION 1
/* File suffixes for nexus pcitool nodes. */
#define PCI_MINOR_REG "reg"
#define PCI_MINOR_INTR "intr"
/*
* Ioctls for PCI tools.
*/
#define PCITOOL_IOC (('P' << 24) | ('C' << 16) | ('T' << 8))
/* Read/write a device on a PCI bus, in physical space. */
#define PCITOOL_DEVICE_GET_REG (PCITOOL_IOC | 1)
#define PCITOOL_DEVICE_SET_REG (PCITOOL_IOC | 2)
/* Read/write the PCI nexus bridge, in physical space. */
#define PCITOOL_NEXUS_GET_REG (PCITOOL_IOC | 3)
#define PCITOOL_NEXUS_SET_REG (PCITOOL_IOC | 4)
/* Get/set interrupt-CPU mapping for PCI devices. */
#define PCITOOL_DEVICE_GET_INTR (PCITOOL_IOC | 5)
#define PCITOOL_DEVICE_SET_INTR (PCITOOL_IOC | 6)
/* Return the number of supported interrupts on a PCI bus. */
#define PCITOOL_DEVICE_NUM_INTR (PCITOOL_IOC | 7)
/*
* This file contains data structures for the pci tool.
*/
#define PCITOOL_CONFIG 0
#define PCITOOL_BAR0 1
#define PCITOOL_BAR1 2
#define PCITOOL_BAR2 3
#define PCITOOL_BAR3 4
#define PCITOOL_BAR4 5
#define PCITOOL_BAR5 6
#define PCITOOL_ROM 7
/*
* Pass this through barnum to signal to use a base addr instead.
* This is for platforms which do not have a way to automatically map
* a selected bank to a base addr.
*/
#define PCITOOL_BASE 0xFF
/*
* BAR corresponding to space desired.
*/
typedef enum {
config = PCITOOL_CONFIG,
bar0 = PCITOOL_BAR0,
bar1 = PCITOOL_BAR1,
bar2 = PCITOOL_BAR2,
bar3 = PCITOOL_BAR3,
bar4 = PCITOOL_BAR4,
bar5 = PCITOOL_BAR5,
rom = PCITOOL_ROM
} pcitool_bars_t;
/*
* PCITOOL error numbers.
*/
typedef enum {
PCITOOL_SUCCESS = 0x0,
PCITOOL_INVALID_CPUID,
PCITOOL_INVALID_INO,
PCITOOL_PENDING_INTRTIMEOUT,
PCITOOL_REGPROP_NOTWELLFORMED,
PCITOOL_INVALID_ADDRESS,
PCITOOL_NOT_ALIGNED,
PCITOOL_OUT_OF_RANGE,
PCITOOL_END_OF_RANGE,
PCITOOL_ROM_DISABLED,
PCITOOL_ROM_WRITE,
PCITOOL_IO_ERROR,
PCITOOL_INVALID_SIZE
} pcitool_errno_t;
/*
* PCITOOL_DEVICE_SET_INTR ioctl data structure to re-assign the interrupts.
*/
typedef struct pcitool_intr_set {
uint16_t user_version; /* Userland program version - to krnl */
uint16_t drvr_version; /* Driver version - from kernel */
uint32_t ino; /* interrupt to set - to kernel */
uint32_t cpu_id; /* to: cpu to set / from: old cpu returned */
pcitool_errno_t status; /* from kernel */
} pcitool_intr_set_t;
/*
* PCITOOL_DEVICE_GET_INTR ioctl data structure to dump out the
* ino mapping information.
*/
typedef struct pcitool_intr_dev {
uint32_t dev_inst; /* device instance - from kernel */
char driver_name[MAXMODCONFNAME]; /* from kernel */
char path[MAXPATHLEN]; /* device path - from kernel */
} pcitool_intr_dev_t;
typedef struct pcitool_intr_get {
uint16_t user_version; /* Userland program version - to krnl */
uint16_t drvr_version; /* Driver version - from kernel */
uint32_t ino; /* interrupt number - to kernel */
uint8_t num_devs_ret; /* room for this # of devs to be */
/* returned - to kernel */
/* # devs returned - from kernel */
uint8_t num_devs; /* # devs on this ino - from kernel */
/* intrs enabled for devs if > 0 */
uint8_t ctlr; /* controller number - from kernel */
uint32_t cpu_id; /* cpu of interrupt - from kernel */
pcitool_errno_t status; /* returned status - from kernel */
pcitool_intr_dev_t dev[1]; /* start of variable device list */
/* from kernel */
} pcitool_intr_get_t;
/*
* Get the size needed to return the number of devices wanted.
* Can't say num_devs - 1 as num_devs may be unsigned.
*/
#define PCITOOL_IGET_SIZE(num_devs) \
(sizeof (pcitool_intr_get_t) - \
sizeof (pcitool_intr_dev_t) + \
(num_devs * sizeof (pcitool_intr_dev_t)))
/*
* Size and endian fields for acc_attr bitmask.
*/
#define PCITOOL_ACC_ATTR_SIZE_MASK 0x3
#define PCITOOL_ACC_ATTR_SIZE_1 0x0
#define PCITOOL_ACC_ATTR_SIZE_2 0x1
#define PCITOOL_ACC_ATTR_SIZE_4 0x2
#define PCITOOL_ACC_ATTR_SIZE_8 0x3
#define PCITOOL_ACC_ATTR_SIZE(x) (1 << (x & PCITOOL_ACC_ATTR_SIZE_MASK))
#define PCITOOL_ACC_ATTR_ENDN_MASK 0x100
#define PCITOOL_ACC_ATTR_ENDN_LTL 0x0
#define PCITOOL_ACC_ATTR_ENDN_BIG 0x100
#define PCITOOL_ACC_IS_BIG_ENDIAN(x) (x & PCITOOL_ACC_ATTR_ENDN_BIG)
/*
* Data structure to read and write to pci device registers.
* This is the argument to the following ioctls:
* PCITOOL_DEVICE_SET/GET_REG
* PCITOOL_NEXUS_SET/GET_REG
*/
typedef struct pcitool_reg {
uint16_t user_version; /* Userland program version - to krnl */
uint16_t drvr_version; /* Driver version - from kernel */
uint8_t bus_no; /* pci bus - to kernel */
uint8_t dev_no; /* pci dev - to kernel */
uint8_t func_no; /* pci function - to kernel */
uint8_t barnum; /* bank (DEVCTL_NEXUS_SET/GET_REG) or */
/* BAR from pcitools_bar_t */
/* (DEVCTL_DEVICE_SET/GET_REG) */
/* to kernel */
uint64_t offset; /* to kernel */
uint32_t acc_attr; /* access attributes - to kernel */
uint32_t padding1; /* 8-byte align next uint64_t for X86 */
uint64_t data; /* to/from kernel, 64-bit alignment */
uint32_t status; /* from kernel */
uint32_t padding2; /* 8-byte align next uint64_t for X86 */
uint64_t phys_addr; /* from kernel, 64-bit alignment */
} pcitool_reg_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PCI_TOOLS_H */
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