1 files changed, 14 insertions, 3 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 8a3ceadb1366..8a16b083df2e 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -311,9 +311,13 @@ struct kvm_s390_interrupt {
 
 /* This structure represents a single trace buffer record. */
 struct kvm_trace_rec {
-        __u32 event:28;
-        __u32 extra_u32:3;
-        __u32 cycle_in:1;
+        /* variable rec_val
+         * is split into:
+         * bits 0 - 27  -> event id
+         * bits 28 -30  -> number of extra data args of size u32
+         * bits 31      -> binary indicator for if tsc is in record
+         */
+        __u32 rec_val;
         __u32 pid;
         __u32 vcpu_id;
         union {
@@ -327,6 +331,13 @@ struct kvm_trace_rec {
         } u;
 };
 
+#define TRACE_REC_EVENT_ID(val) \
+                (0x0fffffff & (val))
+#define TRACE_REC_NUM_DATA_ARGS(val) \
+                (0x70000000 & ((val) << 28))
+#define TRACE_REC_TCS(val) \
+                (0x80000000 & ((val) << 31))
+
 #define KVMIO 0xAE
 
 /*