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authorAvi Kivity <avi@redhat.com>2009-06-11 15:43:28 +0300
committerAvi Kivity <avi@redhat.com>2009-09-10 08:32:52 +0300
commit3f5d18a96577fd78277e08c467041573b9a65eaf (patch)
tree5c9e15a3b48d188729bb77283cf353fd42903155 /include/linux/kvm.h
parent988a2cae6a3c0dea6df59808a935a9a697bfc28c (diff)
KVM: Return to userspace on emulation failure
Instead of mindlessly retrying to execute the instruction, report the failure to userspace. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm.h')
-rw-r--r--include/linux/kvm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 5037e170a70..671051829da 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -95,6 +95,10 @@ struct kvm_pit_config {
#define KVM_EXIT_S390_RESET 14
#define KVM_EXIT_DCR 15
#define KVM_EXIT_NMI 16
+#define KVM_EXIT_INTERNAL_ERROR 17
+
+/* For KVM_EXIT_INTERNAL_ERROR */
+#define KVM_INTERNAL_ERROR_EMULATION 1
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
@@ -181,6 +185,9 @@ struct kvm_run {
__u32 data;
__u8 is_write;
} dcr;
+ struct {
+ __u32 suberror;
+ } internal;
/* Fix the size of the union. */
char padding[256];
};