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authorJan Kiszka <jan.kiszka@siemens.com>2010-02-15 10:45:43 +0100
committerAvi Kivity <avi@redhat.com>2010-04-25 12:39:10 +0300
commita1efbe77c1fd7c34a97a76a61520bf23fb3663f6 (patch)
treed2e42935b12867d1b0dcd9c78bb06f76c0c71078 /arch/x86/include/asm/kvm.h
parent48005f64d0ea965d454e38b5181af4aba9bdef5b (diff)
KVM: x86: Add support for saving&restoring debug registers
So far user space was not able to save and restore debug registers for migration or after reset. Plug this hole. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm.h')
-rw-r--r--arch/x86/include/asm/kvm.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index fb6117063ea..ff90055c7f0 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -21,6 +21,7 @@
#define __KVM_HAVE_PIT_STATE2
#define __KVM_HAVE_XEN_HVM
#define __KVM_HAVE_VCPU_EVENTS
+#define __KVM_HAVE_DEBUGREGS
/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256
@@ -289,4 +290,13 @@ struct kvm_vcpu_events {
__u32 reserved[10];
};
+/* for KVM_GET/SET_DEBUGREGS */
+struct kvm_debugregs {
+ __u64 db[4];
+ __u64 dr6;
+ __u64 dr7;
+ __u64 flags;
+ __u64 reserved[9];
+};
+
#endif /* _ASM_X86_KVM_H */