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authorWanpeng Li <wanpengli@tencent.com>2019-07-15 09:28:44 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2019-09-16 12:32:20 +0200
commitd38d201f0ed092b8c7f7738a5db8428e12cb04b6 (patch)
tree05aa77b8ece749fc9a27a185090c67b45d50f1fa /linux-headers
parent138985c1ef8b66e4e5b383354e133e05d01d0b5f (diff)
downloadqemu-arm-d38d201f0ed092b8c7f7738a5db8428e12cb04b6.tar.gz
i386/kvm: support guest access CORE cstate
Allow guest reads CORE cstate when exposing host CPU power management capabilities to the guest. PKG cstate is restricted to avoid a guest to get the whole package information in multi-tenant scenario. Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Message-Id: <1563154124-18579-1-git-send-email-wanpengli@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'linux-headers')
-rw-r--r--linux-headers/linux/kvm.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index c8423e760c..18892d6541 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -696,9 +696,11 @@ struct kvm_ioeventfd {
#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
+#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
KVM_X86_DISABLE_EXITS_HLT | \
- KVM_X86_DISABLE_EXITS_PAUSE)
+ KVM_X86_DISABLE_EXITS_PAUSE | \
+ KVM_X86_DISABLE_EXITS_CSTATE)
/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {