hyper-v: trace vmbus_negotiate_version()

[linux-2.6-microblaze.git] / drivers / hv / hv_trace.h

diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index cd33a52..f06284d 100644 (file)
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -232,6 +232,32 @@ TRACE_EVENT(vmbus_teardown_gpadl,
                    )
        );
 
+TRACE_EVENT(vmbus_negotiate_version,
+           TP_PROTO(const struct vmbus_channel_initiate_contact *msg, int ret),
+           TP_ARGS(msg, ret),
+           TP_STRUCT__entry(
+                   __field(u32, ver)
+                   __field(u32, target_vcpu)
+                   __field(int, ret)
+                   __field(u64, int_page)
+                   __field(u64, mon_page1)
+                   __field(u64, mon_page2)
+                   ),
+           TP_fast_assign(
+                   __entry->ver = msg->vmbus_version_requested;
+                   __entry->target_vcpu = msg->target_vcpu;
+                   __entry->int_page = msg->interrupt_page;
+                   __entry->mon_page1 = msg->monitor_page1;
+                   __entry->mon_page2 = msg->monitor_page2;
+                   __entry->ret = ret;
+                   ),
+           TP_printk("sending vmbus_version_requested %d, target_vcpu 0x%x, "
+                     "pages %llx:%llx:%llx, ret %d",
+                     __entry->ver, __entry->target_vcpu, __entry->int_page,
+                     __entry->mon_page1, __entry->mon_page2, __entry->ret
+                   )
+       );
+
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #undef TRACE_INCLUDE_FILE