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authorAndrey Smetanin <asmetanin@virtuozzo.com>2015-09-16 12:29:48 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2015-10-01 15:06:32 +0200
commite516cebb4f2b2057a5a421fea589079502acfff6 (patch)
treeabcecd5df61c52016bc8b3b84571d179f552d008 /arch/x86/include/uapi
parente9ea5069d9e569c32ab913c39467df32e056b3a7 (diff)
downloadlinux-e516cebb4f2b2057a5a421fea589079502acfff6.tar.bz2
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.h3
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