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| author | Alex Williamson <alex.williamson@redhat.com> | 2013-12-06 11:16:09 -0700 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2013-12-06 11:16:09 -0700 |
| commit | bf63839ffa2d0eebb1eb1706022f46e93b6fec08 (patch) | |
| tree | 6441c3a456a650e899a2bb3a7a2a15b8c8b182a7 /linux-headers/asm-x86/hyperv.h | |
| parent | 7dc65c02fe3fb8f3146ce0b9ff5fec5945329f0e (diff) | |
linux-headers: Update from v3.13-rc3
Update to tag v3.13-rc3 (374b105797c3d4f29c685f3be535c35f5689b30e)
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'linux-headers/asm-x86/hyperv.h')
| -rw-r--r-- | linux-headers/asm-x86/hyperv.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-headers/asm-x86/hyperv.h b/linux-headers/asm-x86/hyperv.h index b80420bcd0..b8f1c0176c 100644 --- a/linux-headers/asm-x86/hyperv.h +++ b/linux-headers/asm-x86/hyperv.h @@ -27,6 +27,19 @@ #define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0) /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/ #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1) + +/* + * There is a single feature flag that signifies the presence of the MSR + * that can be used to retrieve both the local APIC Timer frequency as + * well as the TSC frequency. + */ + +/* Local APIC timer frequency MSR (HV_X64_MSR_APIC_FREQUENCY) is available */ +#define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11) + +/* TSC frequency MSR (HV_X64_MSR_TSC_FREQUENCY) is available */ +#define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (1 << 11) + /* * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available @@ -136,6 +149,12 @@ /* MSR used to read the per-partition time reference counter */ #define HV_X64_MSR_TIME_REF_COUNT 0x40000020 +/* MSR used to retrieve the TSC frequency */ +#define HV_X64_MSR_TSC_FREQUENCY 0x40000022 + +/* MSR used to retrieve the local APIC timer frequency */ +#define HV_X64_MSR_APIC_FREQUENCY 0x40000023 + /* Define the virtual APIC registers */ #define HV_X64_MSR_EOI 0x40000070 #define HV_X64_MSR_ICR 0x40000071 |