diff options
Diffstat (limited to 'target/i386/kvm.c')
| -rw-r--r-- | target/i386/kvm.c | 195 |
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); } } |