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kvm/x86: Hyper-V HV_X64_MSR_RESET msr

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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>
This commit is contained in:
Andrey Smetanin
2015-09-16 12:29:48 +03:00
committed by Paolo Bonzini
parent e9ea5069d9
commit e516cebb4f
4 changed files with 21 additions and 0 deletions
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3
arch/x86/include/uapi/asm/hyperv.h
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@@ -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