mmc: core: Add members to mmc_request and mmc_data for CQE's

Most of the information needed to issue requests to a CQE is already in
struct mmc_request and struct mmc_data. Add data block address, some flags,
and the task id (tag), and allow for cmd being NULL which it is for CQE
tasks.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

include/linux/mmc/core.h

@@ -122,11 +122,18 @@ struct mmc_data {
 	unsigned int		timeout_clks;	/* data timeout (in clocks) */
 	unsigned int		blksz;		/* data block size */
 	unsigned int		blocks;		/* number of blocks */
+	unsigned int		blk_addr;	/* block address */
 	int			error;		/* data error */
 	unsigned int		flags;
 
-#define MMC_DATA_WRITE	(1 << 8)
-#define MMC_DATA_READ	(1 << 9)
+#define MMC_DATA_WRITE		BIT(8)
+#define MMC_DATA_READ		BIT(9)
+/* Extra flags used by CQE */
+#define MMC_DATA_QBR		BIT(10)		/* CQE queue barrier*/
+#define MMC_DATA_PRIO		BIT(11)		/* CQE high priority */
+#define MMC_DATA_REL_WR		BIT(12)		/* Reliable write */
+#define MMC_DATA_DAT_TAG	BIT(13)		/* Tag request */
+#define MMC_DATA_FORCED_PRG	BIT(14)		/* Forced programming */
 
 	unsigned int		bytes_xfered;
 
@@ -153,6 +160,8 @@ struct mmc_request {
 
 	/* Allow other commands during this ongoing data transfer or busy wait */
 	bool			cap_cmd_during_tfr;
+
+	int			tag;
 };
 
 struct mmc_card;

include/trace/events/mmc.h

@@ -29,8 +29,10 @@ TRACE_EVENT(mmc_request_start,
 		__field(unsigned int,		sbc_flags)
 		__field(unsigned int,		sbc_retries)
 		__field(unsigned int,		blocks)
+		__field(unsigned int,		blk_addr)
 		__field(unsigned int,		blksz)
 		__field(unsigned int,		data_flags)
+		__field(int,			tag)
 		__field(unsigned int,		can_retune)
 		__field(unsigned int,		doing_retune)
 		__field(unsigned int,		retune_now)
@@ -42,10 +44,10 @@ TRACE_EVENT(mmc_request_start,
 	),
 
 	TP_fast_assign(
-		__entry->cmd_opcode = mrq->cmd->opcode;
-		__entry->cmd_arg = mrq->cmd->arg;
-		__entry->cmd_flags = mrq->cmd->flags;
-		__entry->cmd_retries = mrq->cmd->retries;
+		__entry->cmd_opcode = mrq->cmd ? mrq->cmd->opcode : 0;
+		__entry->cmd_arg = mrq->cmd ? mrq->cmd->arg : 0;
+		__entry->cmd_flags = mrq->cmd ? mrq->cmd->flags : 0;
+		__entry->cmd_retries = mrq->cmd ? mrq->cmd->retries : 0;
 		__entry->stop_opcode = mrq->stop ? mrq->stop->opcode : 0;
 		__entry->stop_arg = mrq->stop ? mrq->stop->arg : 0;
 		__entry->stop_flags = mrq->stop ? mrq->stop->flags : 0;
@@ -56,7 +58,9 @@ TRACE_EVENT(mmc_request_start,
 		__entry->sbc_retries = mrq->sbc ? mrq->sbc->retries : 0;
 		__entry->blksz = mrq->data ? mrq->data->blksz : 0;
 		__entry->blocks = mrq->data ? mrq->data->blocks : 0;
+		__entry->blk_addr = mrq->data ? mrq->data->blk_addr : 0;
 		__entry->data_flags = mrq->data ? mrq->data->flags : 0;
+		__entry->tag = mrq->tag;
 		__entry->can_retune = host->can_retune;
 		__entry->doing_retune = host->doing_retune;
 		__entry->retune_now = host->retune_now;
@@ -71,8 +75,8 @@ TRACE_EVENT(mmc_request_start,
 		  "cmd_opcode=%u cmd_arg=0x%x cmd_flags=0x%x cmd_retries=%u "
 		  "stop_opcode=%u stop_arg=0x%x stop_flags=0x%x stop_retries=%u "
 		  "sbc_opcode=%u sbc_arg=0x%x sbc_flags=0x%x sbc_retires=%u "
-		  "blocks=%u block_size=%u data_flags=0x%x "
-		  "can_retune=%u doing_retune=%u retune_now=%u "
+		  "blocks=%u block_size=%u blk_addr=%u data_flags=0x%x "
+		  "tag=%d can_retune=%u doing_retune=%u retune_now=%u "
 		  "need_retune=%d hold_retune=%d retune_period=%u",
 		  __get_str(name), __entry->mrq,
 		  __entry->cmd_opcode, __entry->cmd_arg,
@@ -81,7 +85,8 @@ TRACE_EVENT(mmc_request_start,
 		  __entry->stop_flags, __entry->stop_retries,
 		  __entry->sbc_opcode, __entry->sbc_arg,
 		  __entry->sbc_flags, __entry->sbc_retries,
-		  __entry->blocks, __entry->blksz, __entry->data_flags,
+		  __entry->blocks, __entry->blk_addr,
+		  __entry->blksz, __entry->data_flags, __entry->tag,
 		  __entry->can_retune, __entry->doing_retune,
 		  __entry->retune_now, __entry->need_retune,
 		  __entry->hold_retune, __entry->retune_period)
@@ -108,6 +113,7 @@ TRACE_EVENT(mmc_request_done,
 		__field(unsigned int,		sbc_retries)
 		__field(unsigned int,		bytes_xfered)
 		__field(int,			data_err)
+		__field(int,			tag)
 		__field(unsigned int,		can_retune)
 		__field(unsigned int,		doing_retune)
 		__field(unsigned int,		retune_now)
@@ -119,10 +125,13 @@ TRACE_EVENT(mmc_request_done,
 	),
 
 	TP_fast_assign(
-		__entry->cmd_opcode = mrq->cmd->opcode;
-		__entry->cmd_err = mrq->cmd->error;
-		memcpy(__entry->cmd_resp, mrq->cmd->resp, 4);
-		__entry->cmd_retries = mrq->cmd->retries;
+		__entry->cmd_opcode = mrq->cmd ? mrq->cmd->opcode : 0;
+		__entry->cmd_err = mrq->cmd ? mrq->cmd->error : 0;
+		__entry->cmd_resp[0] = mrq->cmd ? mrq->cmd->resp[0] : 0;
+		__entry->cmd_resp[1] = mrq->cmd ? mrq->cmd->resp[1] : 0;
+		__entry->cmd_resp[2] = mrq->cmd ? mrq->cmd->resp[2] : 0;
+		__entry->cmd_resp[3] = mrq->cmd ? mrq->cmd->resp[3] : 0;
+		__entry->cmd_retries = mrq->cmd ? mrq->cmd->retries : 0;
 		__entry->stop_opcode = mrq->stop ? mrq->stop->opcode : 0;
 		__entry->stop_err = mrq->stop ? mrq->stop->error : 0;
 		__entry->stop_resp[0] = mrq->stop ? mrq->stop->resp[0] : 0;
@@ -139,6 +148,7 @@ TRACE_EVENT(mmc_request_done,
 		__entry->sbc_retries = mrq->sbc ? mrq->sbc->retries : 0;
 		__entry->bytes_xfered = mrq->data ? mrq->data->bytes_xfered : 0;
 		__entry->data_err = mrq->data ? mrq->data->error : 0;
+		__entry->tag = mrq->tag;
 		__entry->can_retune = host->can_retune;
 		__entry->doing_retune = host->doing_retune;
 		__entry->retune_now = host->retune_now;
@@ -154,7 +164,7 @@ TRACE_EVENT(mmc_request_done,
 		  "cmd_retries=%u stop_opcode=%u stop_err=%d "
 		  "stop_resp=0x%x 0x%x 0x%x 0x%x stop_retries=%u "
 		  "sbc_opcode=%u sbc_err=%d sbc_resp=0x%x 0x%x 0x%x 0x%x "
-		  "sbc_retries=%u bytes_xfered=%u data_err=%d "
+		  "sbc_retries=%u bytes_xfered=%u data_err=%d tag=%d "
 		  "can_retune=%u doing_retune=%u retune_now=%u need_retune=%d "
 		  "hold_retune=%d retune_period=%u",
 		  __get_str(name), __entry->mrq,
@@ -170,7 +180,7 @@ TRACE_EVENT(mmc_request_done,
 		  __entry->sbc_resp[0], __entry->sbc_resp[1],
 		  __entry->sbc_resp[2], __entry->sbc_resp[3],
 		  __entry->sbc_retries,
-		  __entry->bytes_xfered, __entry->data_err,
+		  __entry->bytes_xfered, __entry->data_err, __entry->tag,
 		  __entry->can_retune, __entry->doing_retune,
 		  __entry->retune_now, __entry->need_retune,
 		  __entry->hold_retune, __entry->retune_period)