1 files changed, 35 insertions, 0 deletions
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 74e40d5d4af4..fc7d0f8ff078 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -236,6 +236,41 @@ TRACE_EVENT(kvm_mmio,
 		  __entry->len, __entry->gpa, __entry->val)
 );
 
+#define KVM_TRACE_IOCSR_READ_UNSATISFIED 0
+#define KVM_TRACE_IOCSR_READ 1
+#define KVM_TRACE_IOCSR_WRITE 2
+
+#define kvm_trace_symbol_iocsr \
+	{ KVM_TRACE_IOCSR_READ_UNSATISFIED, "unsatisfied-read" }, \
+	{ KVM_TRACE_IOCSR_READ, "read" }, \
+	{ KVM_TRACE_IOCSR_WRITE, "write" }
+
+TRACE_EVENT(kvm_iocsr,
+	TP_PROTO(int type, int len, u64 gpa, void *val),
+	TP_ARGS(type, len, gpa, val),
+
+	TP_STRUCT__entry(
+		__field(	u32,	type	)
+		__field(	u32,	len	)
+		__field(	u64,	gpa	)
+		__field(	u64,	val	)
+	),
+
+	TP_fast_assign(
+		__entry->type		= type;
+		__entry->len		= len;
+		__entry->gpa		= gpa;
+		__entry->val		= 0;
+		if (val)
+			memcpy(&__entry->val, val,
+			       min_t(u32, sizeof(__entry->val), len));
+	),
+
+	TP_printk("iocsr %s len %u gpa 0x%llx val 0x%llx",
+		  __print_symbolic(__entry->type, kvm_trace_symbol_iocsr),
+		  __entry->len, __entry->gpa, __entry->val)
+);
+
 #define kvm_fpu_load_symbol	\
 	{0, "unload"},		\
 	{1, "load"}