diff options
Diffstat (limited to 'src/arch/x86/drivers/hyperv/hyperv.h')
| -rw-r--r-- | src/arch/x86/drivers/hyperv/hyperv.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/drivers/hyperv/hyperv.h b/src/arch/x86/drivers/hyperv/hyperv.h index 0d09beb4..08031fc6 100644 --- a/src/arch/x86/drivers/hyperv/hyperv.h +++ b/src/arch/x86/drivers/hyperv/hyperv.h @@ -21,6 +21,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** Get hypervisor features */ #define HV_CPUID_FEATURES 0x40000003UL +/** Time reference counter MSR is available */ +#define HV_FEATURES_AVAIL_TIME_REF_COUNT_MSR 0x00000002UL + /** SynIC MSRs are available */ #define HV_FEATURES_AVAIL_SYNIC_MSR 0x00000004UL @@ -39,6 +42,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** Hypercall page MSR */ #define HV_X64_MSR_HYPERCALL 0x40000001UL +/** Time reference MSR */ +#define HV_X64_MSR_TIME_REF_COUNT 0x40000020UL + /** SynIC control MSR */ #define HV_X64_MSR_SCONTROL 0x40000080UL |