diff options
Diffstat (limited to 'target/i386/kvm')
| -rw-r--r-- | target/i386/kvm/hyperv-proto.h | 5 | ||||
| -rw-r--r-- | target/i386/kvm/kvm.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h index e40e59411c..cea18dbc0e 100644 --- a/target/i386/kvm/hyperv-proto.h +++ b/target/i386/kvm/hyperv-proto.h @@ -87,6 +87,11 @@ #define HV_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING (1u << 1) /* + * HV_CPUID_NESTED_FEATURES.EAX bits + */ +#define HV_NESTED_MSR_BITMAP (1u << 19) + +/* * Basic virtualized MSRs */ #define HV_X64_MSR_GUEST_OS_ID 0x40000000 diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 38af0e4f04..f389bbedf2 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -973,6 +973,13 @@ static struct { .dependencies = BIT(HYPERV_FEAT_SYNIC) | BIT(HYPERV_FEAT_RELAXED) }, #endif + [HYPERV_FEAT_MSR_BITMAP] = { + .desc = "enlightened MSR-Bitmap (hv-emsr-bitmap)", + .flags = { + {.func = HV_CPUID_NESTED_FEATURES, .reg = R_EAX, + .bits = HV_NESTED_MSR_BITMAP} + } + }, }; static struct kvm_cpuid2 *try_get_hv_cpuid(CPUState *cs, int max, |