aboutsummaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/kvm.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/kvm.h')
-rw-r--r--include/uapi/linux/kvm.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index f1ba602260f6..68c9e6d8bbda 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -280,6 +280,9 @@ struct kvm_xen_exit {
/* Encounter unexpected vm-exit reason */
#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
+/* Flags that describe what fields in emulation_failure hold valid data. */
+#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
+
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
/* in */
@@ -383,6 +386,25 @@ struct kvm_run {
__u32 ndata;
__u64 data[16];
} internal;
+ /*
+ * KVM_INTERNAL_ERROR_EMULATION
+ *
+ * "struct emulation_failure" is an overlay of "struct internal"
+ * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
+ * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
+ * sub-types, this struct is ABI! It also needs to be backwards
+ * compatible with "struct internal". Take special care that
+ * "ndata" is correct, that new fields are enumerated in "flags",
+ * and that each flag enumerates fields that are 64-bit aligned
+ * and sized (so that ndata+internal.data[] is valid/accurate).
+ */
+ struct {
+ __u32 suberror;
+ __u32 ndata;
+ __u64 flags;
+ __u8 insn_size;
+ __u8 insn_bytes[15];
+ } emulation_failure;
/* KVM_EXIT_OSI */
struct {
__u64 gprs[32];
@@ -1088,6 +1110,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_EXIT_HYPERCALL 201
#define KVM_CAP_PPC_RPT_INVALIDATE 202
#define KVM_CAP_BINARY_STATS_FD 203
+#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
#ifdef KVM_CAP_IRQ_ROUTING