scsi: ufs: Move UFS trace events to private header

UFS trace events are called exclusively from the UFS core drivers.  Make
those events private to the core driver.

The MAINTAINERS file does not need updating as the maintainership remains
the same and the relevant directory is already covered.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240821055411.3128159-1-avri.altman@wdc.com
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: avri-altman-sndk

include/trace/events/ufs.h drivers/ufs/core/ufs_trace.hinclude/trace/events/ufs.h renamed to drivers/ufs/core/ufs_trace.h

@@ -9,6 +9,7 @@
 #if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_UFS_H
 
+#include <ufs/ufs.h>
 #include <linux/tracepoint.h>
 
 #define str_opcode(opcode)						\
@@ -395,5 +396,10 @@ TRACE_EVENT(ufshcd_exception_event,
 
 #endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */
 
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/ufs/core
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE ufs_trace
+
 /* This part must be outside protection */
 #include <trace/define_trace.h>

drivers/ufs/core/ufshcd.c

@@ -39,7 +39,7 @@
 #include <asm/unaligned.h>
 
 #define CREATE_TRACE_POINTS
-#include <trace/events/ufs.h>
+#include "ufs_trace.h"
 
 #define UFSHCD_ENABLE_INTRS	(UTP_TRANSFER_REQ_COMPL |\
 				 UTP_TASK_REQ_COMPL |\

include/ufs/ufs.h

@@ -597,7 +597,7 @@ struct ufs_dev_info {
 };
 
 /*
- * This enum is used in string mapping in include/trace/events/ufs.h.
+ * This enum is used in string mapping in ufs_trace.h.
  */
 enum ufs_trace_str_t {
 	UFS_CMD_SEND, UFS_CMD_COMP, UFS_DEV_COMP,
@@ -607,7 +607,7 @@ enum ufs_trace_str_t {
 
 /*
  * Transaction Specific Fields (TSF) type in the UPIU package, this enum is
- * used in include/trace/events/ufs.h for UFS command trace.
+ * used in ufs_trace.h for UFS command trace.
  */
 enum ufs_trace_tsf_t {
 	UFS_TSF_CDB, UFS_TSF_OSF, UFS_TSF_TM_INPUT, UFS_TSF_TM_OUTPUT