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-rw-r--r--include/linux/kvm.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 8a3ceadb136..8a16b083df2 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
/*