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| author | Andrey Smetanin <asmetanin@virtuozzo.com> | 2015-09-16 12:29:48 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 16:06:32 +0300 |
| commit | e516cebb4f2b2057a5a421fea589079502acfff6 (patch) | |
| tree | abcecd5df61c52016bc8b3b84571d179f552d008 /arch/x86/include/uapi | |
| parent | e9ea5069d9e569c32ab913c39467df32e056b3a7 (diff) | |
| download | linux-e516cebb4f2b2057a5a421fea589079502acfff6.tar.xz | |
kvm/x86: Hyper-V HV_X64_MSR_RESET msr
HV_X64_MSR_RESET msr is used by Hyper-V based Windows guest
to reset guest VM by hypervisor.
Necessary to support loading of winhv.sys in guest, which in turn is
required to support Windows VMBus.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Gleb Natapov <gleb@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/hyperv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index f0412c50c47b..dab584bf7ddf 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -153,6 +153,9 @@ /* MSR used to provide vcpu index */ #define HV_X64_MSR_VP_INDEX 0x40000002 +/* MSR used to reset the guest OS. */ +#define HV_X64_MSR_RESET 0x40000003 + /* MSR used to read the per-partition time reference counter */ #define HV_X64_MSR_TIME_REF_COUNT 0x40000020 |