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Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c56
1 files changed, 43 insertions, 13 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 93d02c1e50..bf46c380ec 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -49,6 +49,7 @@
#include "exec/address-spaces.h"
#include "hw/usb.h"
#include "qemu/config-file.h"
+#include "qemu/error-report.h"
#include <libfdt.h>
@@ -206,19 +207,20 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
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", dc->fw_name,
- cpu->cpu_index);
+ index);
offset = fdt_path_offset(fdt, cpu_model);
if (offset < 0) {
@@ -367,7 +369,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
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;
@@ -685,6 +687,7 @@ 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 */
@@ -740,8 +743,21 @@ 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);
}
@@ -1305,20 +1321,15 @@ 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) {
+ 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) {
- kernel_size = load_image_targphys(kernel_filename,
- KERNEL_LOAD_ADDR,
- load_limit - KERNEL_LOAD_ADDR);
- }
- 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);
}
@@ -1366,6 +1377,24 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
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)",
@@ -1376,6 +1405,7 @@ static QEMUMachine spapr_machine = {
.max_cpus = MAX_CPUS,
.no_parallel = 1,
.default_boot_order = NULL,
+ .kvm_type = spapr_kvm_type,
};
static void spapr_machine_init(void)