diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2018-10-22 18:55:06 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-11-06 21:35:04 +0100 |
| commit | e204ac612cb2cc1a33f4205976386d237d676319 (patch) | |
| tree | a054ab99c217acefcbc68330e9b7d3988fc79b6d /target/i386/hyperv-proto.h | |
| parent | 013aabdc665e4256b38d8875a1a7b5e030ba98f1 (diff) | |
x86: hv_evmcs CPU flag support
Adds a new CPU flag to enable the Enlightened VMCS KVM feature.
QEMU enables KVM_CAP_HYPERV_ENLIGHTENED_VMCS and gets back the
version to be advertised in lower 16 bits of CPUID.0x4000000A:EAX.
Suggested-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20181022165506.30332-3-vkuznets@redhat.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/hyperv-proto.h')
| -rw-r--r-- | target/i386/hyperv-proto.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/i386/hyperv-proto.h b/target/i386/hyperv-proto.h index 8c572cd7c2..c0272b3a01 100644 --- a/target/i386/hyperv-proto.h +++ b/target/i386/hyperv-proto.h @@ -18,6 +18,7 @@ #define HV_CPUID_FEATURES 0x40000003 #define HV_CPUID_ENLIGHTMENT_INFO 0x40000004 #define HV_CPUID_IMPLEMENT_LIMITS 0x40000005 +#define HV_CPUID_NESTED_FEATURES 0x4000000A #define HV_CPUID_MIN 0x40000005 #define HV_CPUID_MAX 0x4000ffff #define HV_HYPERVISOR_PRESENT_BIT 0x80000000 @@ -60,6 +61,7 @@ #define HV_RELAXED_TIMING_RECOMMENDED (1u << 5) #define HV_CLUSTER_IPI_RECOMMENDED (1u << 10) #define HV_EX_PROCESSOR_MASKS_RECOMMENDED (1u << 11) +#define HV_ENLIGHTENED_VMCS_RECOMMENDED (1u << 14) /* * Basic virtualized MSRs |