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Diffstat (limited to 'target/i386/kvm.c')
-rw-r--r--target/i386/kvm.c195
1 files changed, 99 insertions, 96 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 6db7783edc..b1e32e95d3 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -27,6 +27,7 @@
#include "sysemu/kvm_int.h"
#include "kvm_i386.h"
#include "hyperv.h"
+#include "hyperv-proto.h"
#include "exec/gdbstub.h"
#include "qemu/host-utils.h"
@@ -40,7 +41,6 @@
#include "hw/i386/x86-iommu.h"
#include "exec/ioport.h"
-#include "standard-headers/asm-x86/hyperv.h"
#include "hw/pci/pci.h"
#include "hw/pci/msi.h"
#include "hw/pci/msix.h"
@@ -89,6 +89,7 @@ static bool has_msr_hv_vpindex;
static bool has_msr_hv_runtime;
static bool has_msr_hv_synic;
static bool has_msr_hv_stimer;
+static bool has_msr_hv_frequencies;
static bool has_msr_xss;
static bool has_msr_architectural_pmu;
@@ -611,6 +612,15 @@ static int kvm_arch_set_tsc_khz(CPUState *cs)
return 0;
}
+static bool tsc_is_stable_and_known(CPUX86State *env)
+{
+ if (!env->tsc_khz) {
+ return false;
+ }
+ return (env->features[FEAT_8000_0007_EDX] & CPUID_APM_INVTSC)
+ || env->user_tsc_khz;
+}
+
static int hyperv_handle_properties(CPUState *cs)
{
X86CPU *cpu = X86_CPU(cs);
@@ -622,29 +632,34 @@ static int hyperv_handle_properties(CPUState *cs)
}
if (cpu->hyperv_relaxed_timing) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_HYPERCALL_AVAILABLE;
}
if (cpu->hyperv_vapic) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE;
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_APIC_ACCESS_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_HYPERCALL_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_APIC_ACCESS_AVAILABLE;
}
if (cpu->hyperv_time) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE;
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_TIME_REF_COUNT_AVAILABLE;
- env->features[FEAT_HYPERV_EAX] |= 0x200;
+ env->features[FEAT_HYPERV_EAX] |= HV_HYPERCALL_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_TIME_REF_COUNT_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_REFERENCE_TSC_AVAILABLE;
+
+ if (has_msr_hv_frequencies && tsc_is_stable_and_known(env)) {
+ env->features[FEAT_HYPERV_EAX] |= HV_ACCESS_FREQUENCY_MSRS;
+ env->features[FEAT_HYPERV_EDX] |= HV_FREQUENCY_MSRS_AVAILABLE;
+ }
}
if (cpu->hyperv_crash && has_msr_hv_crash) {
- env->features[FEAT_HYPERV_EDX] |= HV_X64_GUEST_CRASH_MSR_AVAILABLE;
+ env->features[FEAT_HYPERV_EDX] |= HV_GUEST_CRASH_MSR_AVAILABLE;
}
- env->features[FEAT_HYPERV_EDX] |= HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE;
+ env->features[FEAT_HYPERV_EDX] |= HV_CPU_DYNAMIC_PARTITIONING_AVAILABLE;
if (cpu->hyperv_reset && has_msr_hv_reset) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_RESET_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_RESET_AVAILABLE;
}
if (cpu->hyperv_vpindex && has_msr_hv_vpindex) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_VP_INDEX_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_VP_INDEX_AVAILABLE;
}
if (cpu->hyperv_runtime && has_msr_hv_runtime) {
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_VP_RUNTIME_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_VP_RUNTIME_AVAILABLE;
}
if (cpu->hyperv_synic) {
int sint;
@@ -655,10 +670,10 @@ static int hyperv_handle_properties(CPUState *cs)
return -ENOSYS;
}
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_SYNIC_AVAILABLE;
- env->msr_hv_synic_version = HV_SYNIC_VERSION_1;
+ env->features[FEAT_HYPERV_EAX] |= HV_SYNIC_AVAILABLE;
+ env->msr_hv_synic_version = HV_SYNIC_VERSION;
for (sint = 0; sint < ARRAY_SIZE(env->msr_hv_synic_sint); sint++) {
- env->msr_hv_synic_sint[sint] = HV_SYNIC_SINT_MASKED;
+ env->msr_hv_synic_sint[sint] = HV_SINT_MASKED;
}
}
if (cpu->hyperv_stimer) {
@@ -666,7 +681,7 @@ static int hyperv_handle_properties(CPUState *cs)
fprintf(stderr, "Hyper-V timers aren't supported by kernel\n");
return -ENOSYS;
}
- env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_SYNTIMER_AVAILABLE;
+ env->features[FEAT_HYPERV_EAX] |= HV_SYNTIMERS_AVAILABLE;
}
return 0;
}
@@ -695,10 +710,29 @@ int kvm_arch_init_vcpu(CPUState *cs)
cpuid_i = 0;
+ r = kvm_arch_set_tsc_khz(cs);
+ if (r < 0) {
+ goto fail;
+ }
+
+ /* vcpu's TSC frequency is either specified by user, or following
+ * the value used by KVM if the former is not present. In the
+ * latter case, we query it from KVM and record in env->tsc_khz,
+ * so that vcpu's TSC frequency can be migrated later via this field.
+ */
+ if (!env->tsc_khz) {
+ r = kvm_check_extension(cs->kvm_state, KVM_CAP_GET_TSC_KHZ) ?
+ kvm_vcpu_ioctl(cs, KVM_GET_TSC_KHZ) :
+ -ENOTSUP;
+ if (r > 0) {
+ env->tsc_khz = r;
+ }
+ }
+
/* Paravirtualization CPUIDs */
if (hyperv_enabled(cpu)) {
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS;
+ c->function = HV_CPUID_VENDOR_AND_MAX_FUNCTIONS;
if (!cpu->hyperv_vendor_id) {
memcpy(signature, "Microsoft Hv", 12);
} else {
@@ -711,13 +745,13 @@ int kvm_arch_init_vcpu(CPUState *cs)
memset(signature, 0, 12);
memcpy(signature, cpu->hyperv_vendor_id, len);
}
- c->eax = HYPERV_CPUID_MIN;
+ c->eax = HV_CPUID_MIN;
c->ebx = signature[0];
c->ecx = signature[1];
c->edx = signature[2];
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_INTERFACE;
+ c->function = HV_CPUID_INTERFACE;
memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12);
c->eax = signature[0];
c->ebx = 0;
@@ -725,12 +759,12 @@ int kvm_arch_init_vcpu(CPUState *cs)
c->edx = 0;
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_VERSION;
+ c->function = HV_CPUID_VERSION;
c->eax = 0x00001bbc;
c->ebx = 0x00060001;
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_FEATURES;
+ c->function = HV_CPUID_FEATURES;
r = hyperv_handle_properties(cs);
if (r) {
return r;
@@ -740,18 +774,19 @@ int kvm_arch_init_vcpu(CPUState *cs)
c->edx = env->features[FEAT_HYPERV_EDX];
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_ENLIGHTMENT_INFO;
+ c->function = HV_CPUID_ENLIGHTMENT_INFO;
if (cpu->hyperv_relaxed_timing) {
- c->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED;
+ c->eax |= HV_RELAXED_TIMING_RECOMMENDED;
}
if (cpu->hyperv_vapic) {
- c->eax |= HV_X64_APIC_ACCESS_RECOMMENDED;
+ c->eax |= HV_APIC_ACCESS_RECOMMENDED;
}
c->ebx = cpu->hyperv_spinlock_attempts;
c = &cpuid_data.entries[cpuid_i++];
- c->function = HYPERV_CPUID_IMPLEMENT_LIMITS;
- c->eax = 0x40;
+ c->function = HV_CPUID_IMPLEMENT_LIMITS;
+
+ c->eax = cpu->hv_max_vps;
c->ebx = 0x40;
kvm_base = KVM_CPUID_SIGNATURE_NEXT;
@@ -961,34 +996,13 @@ int kvm_arch_init_vcpu(CPUState *cs)
}
}
- r = kvm_arch_set_tsc_khz(cs);
- if (r < 0) {
- goto fail;
- }
-
- /* vcpu's TSC frequency is either specified by user, or following
- * the value used by KVM if the former is not present. In the
- * latter case, we query it from KVM and record in env->tsc_khz,
- * so that vcpu's TSC frequency can be migrated later via this field.
- */
- if (!env->tsc_khz) {
- r = kvm_check_extension(cs->kvm_state, KVM_CAP_GET_TSC_KHZ) ?
- kvm_vcpu_ioctl(cs, KVM_GET_TSC_KHZ) :
- -ENOTSUP;
- if (r > 0) {
- env->tsc_khz = r;
- }
- }
-
if (cpu->vmware_cpuid_freq
/* Guests depend on 0x40000000 to detect this feature, so only expose
* it if KVM exposes leaf 0x40000000. (Conflicts with Hyper-V) */
&& cpu->expose_kvm
&& kvm_base == KVM_CPUID_SIGNATURE
/* TSC clock must be stable and known for this feature. */
- && ((env->features[FEAT_8000_0007_EDX] & CPUID_APM_INVTSC)
- || env->user_tsc_khz != 0)
- && env->tsc_khz != 0) {
+ && tsc_is_stable_and_known(env)) {
c = &cpuid_data.entries[cpuid_i++];
c->function = KVM_CPUID_SIGNATURE | 0x10;
@@ -1081,65 +1095,55 @@ static int kvm_get_supported_msrs(KVMState *s)
int i;
for (i = 0; i < kvm_msr_list->nmsrs; i++) {
- if (kvm_msr_list->indices[i] == MSR_STAR) {
+ switch (kvm_msr_list->indices[i]) {
+ case MSR_STAR:
has_msr_star = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_VM_HSAVE_PA) {
+ break;
+ case MSR_VM_HSAVE_PA:
has_msr_hsave_pa = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_TSC_AUX) {
+ break;
+ case MSR_TSC_AUX:
has_msr_tsc_aux = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_TSC_ADJUST) {
+ break;
+ case MSR_TSC_ADJUST:
has_msr_tsc_adjust = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_IA32_TSCDEADLINE) {
+ break;
+ case MSR_IA32_TSCDEADLINE:
has_msr_tsc_deadline = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_IA32_SMBASE) {
+ break;
+ case MSR_IA32_SMBASE:
has_msr_smbase = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_IA32_MISC_ENABLE) {
+ break;
+ case MSR_IA32_MISC_ENABLE:
has_msr_misc_enable = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_IA32_BNDCFGS) {
+ break;
+ case MSR_IA32_BNDCFGS:
has_msr_bndcfgs = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == MSR_IA32_XSS) {
+ break;
+ case MSR_IA32_XSS:
has_msr_xss = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_CRASH_CTL) {
+ break;;
+ case HV_X64_MSR_CRASH_CTL:
has_msr_hv_crash = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_RESET) {
+ break;
+ case HV_X64_MSR_RESET:
has_msr_hv_reset = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_VP_INDEX) {
+ break;
+ case HV_X64_MSR_VP_INDEX:
has_msr_hv_vpindex = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_VP_RUNTIME) {
+ break;
+ case HV_X64_MSR_VP_RUNTIME:
has_msr_hv_runtime = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_SCONTROL) {
+ break;
+ case HV_X64_MSR_SCONTROL:
has_msr_hv_synic = true;
- continue;
- }
- if (kvm_msr_list->indices[i] == HV_X64_MSR_STIMER0_CONFIG) {
+ break;
+ case HV_X64_MSR_STIMER0_CONFIG:
has_msr_hv_stimer = true;
- continue;
+ break;
+ case HV_X64_MSR_TSC_FREQUENCY:
+ has_msr_hv_frequencies = true;
+ break;
}
}
}
@@ -1690,12 +1694,11 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
if (has_msr_hv_crash) {
int j;
- for (j = 0; j < HV_X64_MSR_CRASH_PARAMS; j++)
+ for (j = 0; j < HV_CRASH_PARAMS; j++)
kvm_msr_entry_add(cpu, HV_X64_MSR_CRASH_P0 + j,
env->msr_hv_crash_params[j]);
- kvm_msr_entry_add(cpu, HV_X64_MSR_CRASH_CTL,
- HV_X64_MSR_CRASH_CTL_NOTIFY);
+ kvm_msr_entry_add(cpu, HV_X64_MSR_CRASH_CTL, HV_CRASH_CTL_NOTIFY);
}
if (has_msr_hv_runtime) {
kvm_msr_entry_add(cpu, HV_X64_MSR_VP_RUNTIME, env->msr_hv_runtime);
@@ -2059,7 +2062,7 @@ static int kvm_get_msrs(X86CPU *cpu)
if (has_msr_hv_crash) {
int j;
- for (j = 0; j < HV_X64_MSR_CRASH_PARAMS; j++) {
+ for (j = 0; j < HV_CRASH_PARAMS; j++) {
kvm_msr_entry_add(cpu, HV_X64_MSR_CRASH_P0 + j, 0);
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-27 22:18:58 +0000