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authorVadim Rozenfeld <vrozenfe@redhat.com>2014-01-24 00:40:49 +1100
committerPaolo Bonzini <pbonzini@redhat.com>2014-02-03 17:33:55 +0100
commit48a5f3bcbbbe59a3120a39106bfda59fd1933fbc (patch)
tree1222d9e56f1a71389072a8c525e49b161917b4c7 /linux-headers/asm-x86/hyperv.h
parent5ef68987e5671edf5f51f845d1bbf3e5759a8526 (diff)
downloadqemu-arm-48a5f3bcbbbe59a3120a39106bfda59fd1933fbc.tar.gz
kvm: add support for hyper-v timers
http://msdn.microsoft.com/en-us/library/windows/hardware/ff541625%28v=vs.85%29.aspx This code is generic for activating reference time counter or virtual reference time stamp counter Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'linux-headers/asm-x86/hyperv.h')
-rw-r--r--linux-headers/asm-x86/hyperv.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-headers/asm-x86/hyperv.h b/linux-headers/asm-x86/hyperv.h
index b8f1c0176c..3b400ee9f7 100644
--- a/linux-headers/asm-x86/hyperv.h
+++ b/linux-headers/asm-x86/hyperv.h
@@ -149,6 +149,9 @@
/* MSR used to read the per-partition time reference counter */
#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
+/* A partition's reference time stamp counter (TSC) page */
+#define HV_X64_MSR_REFERENCE_TSC 0x40000021
+
/* MSR used to retrieve the TSC frequency */
#define HV_X64_MSR_TSC_FREQUENCY 0x40000022