summaryrefslogtreecommitdiff
path: root/hw/ppc/spapr.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c331
1 files changed, 256 insertions, 75 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 16bfab90b..a11e1217b 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -26,6 +26,7 @@
*/
#include "sysemu/sysemu.h"
#include "hw/hw.h"
+#include "hw/fw-path-provider.h"
#include "elf.h"
#include "net/net.h"
#include "sysemu/blockdev.h"
@@ -45,10 +46,13 @@
#include "hw/pci/msi.h"
#include "hw/pci/pci.h"
+#include "hw/scsi/scsi.h"
+#include "hw/virtio/virtio-scsi.h"
#include "exec/address-spaces.h"
#include "hw/usb.h"
#include "qemu/config-file.h"
+#include "qemu/error-report.h"
#include <libfdt.h>
@@ -62,7 +66,7 @@
*
* We load our kernel at 4M, leaving space for SLOF initial image
*/
-#define FDT_MAX_SIZE 0x10000
+#define FDT_MAX_SIZE 0x40000
#define RTAS_MAX_SIZE 0x10000
#define FW_MAX_SIZE 0x400000
#define FW_FILE_NAME "slof.bin"
@@ -80,6 +84,8 @@
#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
+#define TYPE_SPAPR_MACHINE "spapr-machine"
+
sPAPREnvironment *spapr;
int spapr_allocate_irq(int hint, bool lsi)
@@ -88,6 +94,9 @@ int spapr_allocate_irq(int hint, bool lsi)
if (hint) {
irq = hint;
+ if (hint >= spapr->next_irq) {
+ spapr->next_irq = hint + 1;
+ }
/* FIXME: we should probably check for collisions somehow */
} else {
irq = spapr->next_irq++;
@@ -103,22 +112,39 @@ int spapr_allocate_irq(int hint, bool lsi)
return irq;
}
-/* Allocate block of consequtive IRQs, returns a number of the first */
-int spapr_allocate_irq_block(int num, bool lsi)
+/*
+ * Allocate block of consequtive IRQs, returns a number of the first.
+ * If msi==true, aligns the first IRQ number to num.
+ */
+int spapr_allocate_irq_block(int num, bool lsi, bool msi)
{
int first = -1;
- int i;
+ int i, hint = 0;
+
+ /*
+ * MSIMesage::data is used for storing VIRQ so
+ * it has to be aligned to num to support multiple
+ * MSI vectors. MSI-X is not affected by this.
+ * The hint is used for the first IRQ, the rest should
+ * be allocated continuously.
+ */
+ if (msi) {
+ assert((num == 1) || (num == 2) || (num == 4) ||
+ (num == 8) || (num == 16) || (num == 32));
+ hint = (spapr->next_irq + num - 1) & ~(num - 1);
+ }
for (i = 0; i < num; ++i) {
int irq;
- irq = spapr_allocate_irq(0, lsi);
+ irq = spapr_allocate_irq(hint, lsi);
if (!irq) {
return -1;
}
if (0 == i) {
first = irq;
+ hint = 0;
}
/* If the above doesn't create a consecutive block then that's
@@ -141,14 +167,33 @@ static XICSState *try_create_xics(const char *type, int nr_servers,
return NULL;
}
- return XICS(dev);
+ return XICS_COMMON(dev);
}
static XICSState *xics_system_init(int nr_servers, int nr_irqs)
{
XICSState *icp = NULL;
- icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+ if (kvm_enabled()) {
+ QemuOpts *machine_opts = qemu_get_machine_opts();
+ bool irqchip_allowed = qemu_opt_get_bool(machine_opts,
+ "kernel_irqchip", true);
+ bool irqchip_required = qemu_opt_get_bool(machine_opts,
+ "kernel_irqchip", false);
+ if (irqchip_allowed) {
+ icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs);
+ }
+
+ if (irqchip_required && !icp) {
+ perror("Failed to create in-kernel XICS\n");
+ abort();
+ }
+ }
+
+ if (!icp) {
+ icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+ }
+
if (!icp) {
perror("Failed to create XICS\n");
abort();
@@ -165,22 +210,22 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
int smt = kvmppc_smt_threads();
uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
- assert(spapr->cpu_model);
-
- for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
+ CPU_FOREACH(cpu) {
+ DeviceClass *dc = DEVICE_GET_CLASS(cpu);
+ int index = ppc_get_vcpu_dt_id(POWERPC_CPU(cpu));
uint32_t associativity[] = {cpu_to_be32(0x5),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
cpu_to_be32(cpu->numa_node),
- cpu_to_be32(cpu->cpu_index)};
+ cpu_to_be32(index)};
- if ((cpu->cpu_index % smt) != 0) {
+ if ((index % smt) != 0) {
continue;
}
- snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model,
- cpu->cpu_index);
+ snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name,
+ index);
offset = fdt_path_offset(fdt, cpu_model);
if (offset < 0) {
@@ -249,10 +294,10 @@ static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop,
} while (0)
-static void *spapr_create_fdt_skel(const char *cpu_model,
- hwaddr initrd_base,
+static void *spapr_create_fdt_skel(hwaddr initrd_base,
hwaddr initrd_size,
hwaddr kernel_size,
+ bool little_endian,
const char *boot_device,
const char *kernel_cmdline,
uint32_t epow_irq)
@@ -262,11 +307,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
uint32_t start_prop = cpu_to_be32(initrd_base);
uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
- "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk";
+ "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode";
char qemu_hypertas_prop[] = "hcall-memop1";
uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
- char *modelname;
int i, smt = kvmppc_smt_threads();
unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80};
@@ -306,6 +350,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
cpu_to_be64(kernel_size) };
_FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
+ if (little_endian) {
+ _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0)));
+ }
}
if (boot_device) {
_FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
@@ -322,20 +369,12 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_property_cell(fdt, "#address-cells", 0x1)));
_FDT((fdt_property_cell(fdt, "#size-cells", 0x0)));
- modelname = g_strdup(cpu_model);
-
- for (i = 0; i < strlen(modelname); i++) {
- modelname[i] = toupper(modelname[i]);
- }
-
- /* This is needed during FDT finalization */
- spapr->cpu_model = g_strdup(modelname);
-
- for (cs = first_cpu; cs != NULL; cs = cs->next_cpu) {
+ CPU_FOREACH(cs) {
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
+ DeviceClass *dc = DEVICE_GET_CLASS(cs);
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
- int index = cs->cpu_index;
+ int index = ppc_get_vcpu_dt_id(cpu);
uint32_t servers_prop[smp_threads];
uint32_t gservers_prop[smp_threads * 2];
char *nodename;
@@ -350,7 +389,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
continue;
}
- nodename = g_strdup_printf("%s@%x", modelname, index);
+ nodename = g_strdup_printf("%s@%x", dc->fw_name, index);
_FDT((fdt_begin_node(fdt, nodename)));
@@ -398,6 +437,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s",
gservers_prop, sizeof(gservers_prop))));
+ if (env->spr_cb[SPR_PURR].oea_read) {
+ _FDT((fdt_property(fdt, "ibm,purr", NULL, 0)));
+ }
+
if (env->mmu_model & POWERPC_MMU_1TSEG) {
_FDT((fdt_property(fdt, "ibm,processor-segment-sizes",
segs, sizeof(segs))));
@@ -430,8 +473,6 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_end_node(fdt)));
}
- g_free(modelname);
-
_FDT((fdt_end_node(fdt)));
/* RTAS */
@@ -492,14 +533,15 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt)
cpu_to_be32(0x0), cpu_to_be32(0x0),
cpu_to_be32(0x0)};
char mem_name[32];
- hwaddr node0_size, mem_start;
+ hwaddr node0_size, mem_start, node_size;
uint64_t mem_reg_property[2];
int i, off;
/* memory node(s) */
- node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
- if (spapr->rma_size > node0_size) {
- spapr->rma_size = node0_size;
+ if (nb_numa_nodes > 1 && node_mem[0] < ram_size) {
+ node0_size = node_mem[0];
+ } else {
+ node0_size = ram_size;
}
/* RMA */
@@ -532,7 +574,15 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt)
mem_start = node0_size;
for (i = 1; i < nb_numa_nodes; i++) {
mem_reg_property[0] = cpu_to_be64(mem_start);
- mem_reg_property[1] = cpu_to_be64(node_mem[i]);
+ if (mem_start >= ram_size) {
+ node_size = 0;
+ } else {
+ node_size = node_mem[i];
+ if (node_size > ram_size - mem_start) {
+ node_size = ram_size - mem_start;
+ }
+ }
+ mem_reg_property[1] = cpu_to_be64(node_size);
associativity[3] = associativity[4] = cpu_to_be32(i);
sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start);
off = fdt_add_subnode(fdt, 0, mem_name);
@@ -542,7 +592,7 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt)
sizeof(mem_reg_property))));
_FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
sizeof(associativity))));
- mem_start += node_mem[i];
+ mem_start += node_size;
}
return 0;
@@ -553,7 +603,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
hwaddr rtas_addr,
hwaddr rtas_size)
{
- int ret;
+ int ret, i;
+ size_t cb = 0;
+ char *bootlist;
void *fdt;
sPAPRPHBState *phb;
@@ -595,6 +647,21 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
fprintf(stderr, "Couldn't finalize CPU device tree properties\n");
}
+ bootlist = get_boot_devices_list(&cb, true);
+ if (cb && bootlist) {
+ int offset = fdt_path_offset(fdt, "/chosen");
+ if (offset < 0) {
+ exit(1);
+ }
+ for (i = 0; i < cb; i++) {
+ if (bootlist[i] == '\n') {
+ bootlist[i] = ' ';
+ }
+
+ }
+ ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist);
+ }
+
if (!spapr->has_graphics) {
spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
}
@@ -642,6 +709,7 @@ static void spapr_reset_htab(sPAPREnvironment *spapr)
if (shift > 0) {
/* Kernel handles htab, we don't need to allocate one */
spapr->htab_shift = shift;
+ kvmppc_kern_htab = true;
} else {
if (!spapr->htab) {
/* Allocate an htab if we don't yet have one */
@@ -654,7 +722,8 @@ static void spapr_reset_htab(sPAPREnvironment *spapr)
/* Update the RMA size if necessary */
if (spapr->vrma_adjust) {
- spapr->rma_size = kvmppc_rma_size(ram_size, spapr->htab_shift);
+ hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
+ spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift);
}
}
@@ -696,8 +765,21 @@ static void spapr_cpu_reset(void *opaque)
env->spr[SPR_HIOR] = 0;
env->external_htab = (uint8_t *)spapr->htab;
+ if (kvm_enabled() && !env->external_htab) {
+ /*
+ * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte*
+ * functions do the right thing.
+ */
+ env->external_htab = (void *)1;
+ }
env->htab_base = -1;
- env->htab_mask = HTAB_SIZE(spapr) - 1;
+ /*
+ * htab_mask is the mask used to normalize hash value to PTEG index.
+ * htab_shift is log2 of hash table size.
+ * We have 8 hpte per group, and each hpte is 16 bytes.
+ * ie have 128 bytes per hpte entry.
+ */
+ env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1;
env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab |
(spapr->htab_shift - 18);
}
@@ -705,18 +787,10 @@ static void spapr_cpu_reset(void *opaque)
static void spapr_create_nvram(sPAPREnvironment *spapr)
{
DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram");
- const char *drivename = qemu_opt_get(qemu_get_machine_opts(), "nvram");
+ DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0);
- if (drivename) {
- BlockDriverState *bs;
-
- bs = bdrv_find(drivename);
- if (!bs) {
- fprintf(stderr, "No such block device \"%s\" for nvram\n",
- drivename);
- exit(1);
- }
- qdev_prop_set_drive_nofail(dev, "drive", bs);
+ if (dinfo) {
+ qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv);
}
qdev_init_nofail(dev);
@@ -729,13 +803,15 @@ static int spapr_vga_init(PCIBus *pci_bus)
{
switch (vga_interface_type) {
case VGA_NONE:
+ return false;
+ case VGA_DEVICE:
+ return true;
case VGA_STD:
return pci_vga_init(pci_bus) != NULL;
default:
fprintf(stderr, "This vga model is not supported,"
"currently it only supports -vga std\n");
exit(0);
- break;
}
}
@@ -789,7 +865,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr,
{
int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64;
int index = spapr->htab_save_index;
- int64_t starttime = qemu_get_clock_ns(rt_clock);
+ int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
assert(spapr->htab_first_pass);
@@ -820,7 +896,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr,
qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
HASH_PTE_SIZE_64 * n_valid);
- if ((qemu_get_clock_ns(rt_clock) - starttime) > max_ns) {
+ if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
break;
}
}
@@ -841,7 +917,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr,
int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64;
int examined = 0, sent = 0;
int index = spapr->htab_save_index;
- int64_t starttime = qemu_get_clock_ns(rt_clock);
+ int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
assert(!spapr->htab_first_pass);
@@ -886,7 +962,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr,
HASH_PTE_SIZE_64 * n_valid);
sent += index - chunkstart;
- if (!final && (qemu_get_clock_ns(rt_clock) - starttime) > max_ns) {
+ if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
break;
}
}
@@ -1071,7 +1147,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
- const char *boot_device = args->boot_device;
+ const char *boot_device = args->boot_order;
PowerPCCPU *cpu;
CPUPPCState *env;
PCIHostState *phb;
@@ -1079,9 +1155,11 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
hwaddr rma_alloc_size;
+ hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size;
+ bool kernel_le = false;
char *filename;
msi_supported = true;
@@ -1099,10 +1177,10 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
exit(1);
}
- if (rma_alloc_size && (rma_alloc_size < ram_size)) {
+ if (rma_alloc_size && (rma_alloc_size < node0_size)) {
spapr->rma_size = rma_alloc_size;
} else {
- spapr->rma_size = ram_size;
+ spapr->rma_size = node0_size;
/* With KVM, we don't actually know whether KVM supports an
* unbounded RMA (PR KVM) or is limited by the hash table size
@@ -1119,6 +1197,12 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
}
}
+ if (spapr->rma_size > node0_size) {
+ fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n",
+ spapr->rma_size);
+ exit(1);
+ }
+
/* We place the device tree and RTAS just below either the top of the RMA,
* or just below 2GB, whichever is lowere, so that it can be
* processed with 32-bit real mode code if necessary */
@@ -1155,8 +1239,6 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
}
env = &cpu->env;
- xics_cpu_setup(spapr->icp, cpu);
-
/* Set time-base frequency to 512 MHz */
cpu_ppc_tb_init(env, TIMEBASE_FREQ);
@@ -1170,6 +1252,8 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
kvmppc_set_papr(cpu);
}
+ xics_cpu_setup(spapr->icp, cpu);
+
qemu_register_reset(spapr_cpu_reset, cpu);
}
@@ -1214,6 +1298,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
spapr_create_nvram(spapr);
/* Set up PCI */
+ spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW);
spapr_pci_rtas_init();
phb = spapr_create_phb(spapr, 0);
@@ -1260,14 +1345,15 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename,
- KERNEL_LOAD_ADDR,
- load_limit - KERNEL_LOAD_ADDR);
+ if (kernel_size == ELF_LOAD_WRONG_ENDIAN) {
+ kernel_size = load_elf(kernel_filename,
+ translate_kernel_address, NULL,
+ NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0);
+ kernel_le = kernel_size > 0;
}
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
+ fprintf(stderr, "qemu: error loading %s: %s\n",
+ kernel_filename, load_elf_strerror(kernel_size));
exit(1);
}
@@ -1308,14 +1394,31 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
&savevm_htab_handlers, spapr);
/* Prepare the device tree */
- spapr->fdt_skel = spapr_create_fdt_skel(cpu_model,
- initrd_base, initrd_size,
- kernel_size,
+ spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size,
+ kernel_size, kernel_le,
boot_device, kernel_cmdline,
spapr->epow_irq);
assert(spapr->fdt_skel != NULL);
}
+static int spapr_kvm_type(const char *vm_type)
+{
+ if (!vm_type) {
+ return 0;
+ }
+
+ if (!strcmp(vm_type, "HV")) {
+ return 1;
+ }
+
+ if (!strcmp(vm_type, "PR")) {
+ return 2;
+ }
+
+ error_report("Unknown kvm-type specified '%s'", vm_type);
+ exit(1);
+}
+
static QEMUMachine spapr_machine = {
.name = "pseries",
.desc = "pSeries Logical Partition (PAPR compliant)",
@@ -1325,12 +1428,90 @@ static QEMUMachine spapr_machine = {
.block_default_type = IF_SCSI,
.max_cpus = MAX_CPUS,
.no_parallel = 1,
- .boot_order = NULL,
+ .default_boot_order = NULL,
+ .kvm_type = spapr_kvm_type,
+};
+
+/*
+ * Implementation of an interface to adjust firmware patch
+ * for the bootindex property handling.
+ */
+static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus,
+ DeviceState *dev)
+{
+#define CAST(type, obj, name) \
+ ((type *)object_dynamic_cast(OBJECT(obj), (name)))
+ SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE);
+ sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE);
+
+ if (d) {
+ void *spapr = CAST(void, bus->parent, "spapr-vscsi");
+ VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI);
+ USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE);
+
+ if (spapr) {
+ /*
+ * Replace "channel@0/disk@0,0" with "disk@8000000000000000":
+ * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun
+ * in the top 16 bits of the 64-bit LUN
+ */
+ unsigned id = 0x8000 | (d->id << 8) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 48);
+ } else if (virtio) {
+ /*
+ * We use SRP luns of the form 01000000 | (target << 8) | lun
+ * in the top 32 bits of the 64-bit LUN
+ * Note: the quote above is from SLOF and it is wrong,
+ * the actual binding is:
+ * swap 0100 or 10 << or 20 << ( target lun-id -- srplun )
+ */
+ unsigned id = 0x1000000 | (d->id << 16) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 32);
+ } else if (usb) {
+ /*
+ * We use SRP luns of the form 01000000 | (usb-port << 16) | lun
+ * in the top 32 bits of the 64-bit LUN
+ */
+ unsigned usb_port = atoi(usb->port->path);
+ unsigned id = 0x1000000 | (usb_port << 16) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 32);
+ }
+ }
+
+ if (phb) {
+ /* Replace "pci" with "pci@800000020000000" */
+ return g_strdup_printf("pci@%"PRIX64, phb->buid);
+ }
+
+ return NULL;
+}
+
+static void spapr_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
+
+ mc->qemu_machine = data;
+ fwc->get_dev_path = spapr_get_fw_dev_path;
+}
+
+static const TypeInfo spapr_machine_info = {
+ .name = TYPE_SPAPR_MACHINE,
+ .parent = TYPE_MACHINE,
+ .class_init = spapr_machine_class_init,
+ .class_data = &spapr_machine,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_FW_PATH_PROVIDER },
+ { }
+ },
};
-static void spapr_machine_init(void)
+static void spapr_machine_register_types(void)
{
- qemu_register_machine(&spapr_machine);
+ type_register_static(&spapr_machine_info);
}
-machine_init(spapr_machine_init);
+type_init(spapr_machine_register_types)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 03:48:17 +0000