From e34cedacb950a2ca69c939a989ded7ea4b71f2e2 Mon Sep 17 00:00:00 2001
From: lintao <lintao@rock-chips.com>
Date: Mon, 25 Aug 2014 10:48:17 +0800
Subject: [PATCH] trace: mmc: add event class for cmd and resp

---
 include/trace/events/mmc.h | 91 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/include/trace/events/mmc.h b/include/trace/events/mmc.h
index 82b368dbcefc..43eecc3a8d1e 100644
--- a/include/trace/events/mmc.h
+++ b/include/trace/events/mmc.h
@@ -85,6 +85,97 @@ DEFINE_EVENT_CONDITION(mmc_blk_rw_class, mmc_blk_rw_end,
 	TP_CONDITION(((cmd == MMC_READ_MULTIPLE_BLOCK) ||
 		      (cmd == MMC_WRITE_MULTIPLE_BLOCK)) &&
 		      data));
+
+/*
+ * Logging of start of req(sbc) and req done of mmc  operation,
+ * including cmd, args, size, resp, etc.
+ */
+DECLARE_EVENT_CLASS(start_req,
+	TP_PROTO(const char * host, unsigned int cmd,
+	         unsigned int arg, unsigned int flags,
+		 unsigned int blksz, unsigned int blks),
+	TP_ARGS(host, cmd, arg, flags, blksz, blks),
+
+	TP_STRUCT__entry(
+	    __string(host, host)
+	    __field(unsigned int, cmd   )
+	    __field(unsigned int, arg )
+	    __field(unsigned int, flags )
+	    __field(unsigned int, blksz )
+	    __field(unsigned int, blks )
+	   ),
+
+	TP_fast_assign(
+	    __assign_str(host, host);
+	    __entry->cmd = cmd;
+	    __entry->arg = arg;
+	    __entry->flags = flags;
+	    __entry->blksz = blksz;
+	    __entry->blks = blks;
+	),
+
+	TP_printk("host=%s CMD%u arg=%08x flags=%08x blksz=%05x blks=%03x",
+	       __get_str(host), __entry->cmd,
+	      __entry->arg, __entry->flags,
+	      __entry->blksz, __entry->blks )
+);
+
+DEFINE_EVENT(start_req, mmc_start_req_cmd,
+	TP_PROTO(const char *host, unsigned int cmd,
+	     unsigned int arg, unsigned int flags,
+	     unsigned int blksz, unsigned int blks),
+	TP_ARGS(host, cmd, arg, flags, blksz, blks)
+);
+
+DEFINE_EVENT(start_req, mmc_start_req_sbc,
+	TP_PROTO(const char *host, unsigned int cmd,
+	     unsigned int arg, unsigned int flags,
+	     unsigned int blksz, unsigned int blks),
+	TP_ARGS(host, cmd, arg, flags, blksz, blks)
+);
+
+
+DECLARE_EVENT_CLASS(req_done,
+	TP_PROTO(const char *host, unsigned int cmd,
+		int err, unsigned int resp1,
+		unsigned int resp2, unsigned int resp3,
+		unsigned int resp4),
+	TP_ARGS(host, cmd, err, resp1, resp2, resp3, resp4),
+
+	TP_STRUCT__entry(
+	    __string(host, host)
+	    __field(unsigned int, cmd   )
+	    __field(         int, err )
+	    __field(unsigned int, resp1 )
+	    __field(unsigned int, resp2 )
+	    __field(unsigned int, resp3 )
+	    __field(unsigned int, resp4 )
+	   ),
+
+	TP_fast_assign(
+	    __assign_str(host, host);
+	    __entry->cmd = cmd;
+	    __entry->err = err;
+	    __entry->resp1 = resp1;
+	    __entry->resp2 = resp2;
+	    __entry->resp3 = resp3;
+	    __entry->resp4 = resp4;
+	),
+
+	TP_printk("host=%s CMD%u err=%08x resp1=%08x resp2=%08x resp3=%08x resp4=%08x",
+		__get_str(host), __entry->cmd,
+		__entry->err, __entry->resp1,
+		__entry->resp2, __entry->resp3,
+		__entry->resp4 )
+);
+
+DEFINE_EVENT(req_done, mmc_req_done,
+	TP_PROTO(const char *host, unsigned int cmd,
+		int err, unsigned int resp1,
+		unsigned int resp2, unsigned int resp3,
+		unsigned int resp4),
+	TP_ARGS(host, cmd, err, resp1, resp2, resp3, resp4)
+);
 #endif /* _TRACE_MMC_H */
 
 /* This part must be outside protection */
-- 
2.34.1