linux/include/trace/events/scsi.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM …

#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SCSI_H

#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>

#define scsi_opcode_name(opcode) …
#define show_opcode_name(val) …

#define scsi_hostbyte_name(result) …
#define show_hostbyte_name(val) …

#define scsi_statusbyte_name(result) …
#define show_statusbyte_name(val) …

#define scsi_prot_op_name(result) …
#define show_prot_op_name(val) …

const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
#define __parse_cdb(cdb, len) …

TRACE_EVENT(scsi_dispatch_cmd_start,

	TP_PROTO(struct scsi_cmnd *cmd),

	TP_ARGS(cmd),

	TP_STRUCT__entry(
		__field( unsigned int,	host_no	)
		__field( unsigned int,	channel	)
		__field( unsigned int,	id	)
		__field( unsigned int,	lun	)
		__field( unsigned int,	opcode	)
		__field( unsigned int,	cmd_len )
		__field( int,	driver_tag)
		__field( int,	scheduler_tag)
		__field( unsigned int,	data_sglen )
		__field( unsigned int,	prot_sglen )
		__field( unsigned char,	prot_op )
		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
	),

	TP_fast_assign(
		__entry->host_no	= cmd->device->host->host_no;
		__entry->channel	= cmd->device->channel;
		__entry->id		= cmd->device->id;
		__entry->lun		= cmd->device->lun;
		__entry->opcode		= cmd->cmnd[0];
		__entry->cmd_len	= cmd->cmd_len;
		__entry->driver_tag	= scsi_cmd_to_rq(cmd)->tag;
		__entry->scheduler_tag	= scsi_cmd_to_rq(cmd)->internal_tag;
		__entry->data_sglen	= scsi_sg_count(cmd);
		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
		__entry->prot_op	= scsi_get_prot_op(cmd);
		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
	),

	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
		  " prot_op=%s driver_tag=%d scheduler_tag=%d cmnd=(%s %s raw=%s)",
		  __entry->host_no, __entry->channel, __entry->id,
		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
		  show_prot_op_name(__entry->prot_op), __entry->driver_tag,
		  __entry->scheduler_tag, show_opcode_name(__entry->opcode),
		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
);

TRACE_EVENT(scsi_dispatch_cmd_error,

	TP_PROTO(struct scsi_cmnd *cmd, int rtn),

	TP_ARGS(cmd, rtn),

	TP_STRUCT__entry(
		__field( unsigned int,	host_no	)
		__field( unsigned int,	channel	)
		__field( unsigned int,	id	)
		__field( unsigned int,	lun	)
		__field( int,		rtn	)
		__field( unsigned int,	opcode	)
		__field( unsigned int,	cmd_len )
		__field( int,	driver_tag)
		__field( int,	scheduler_tag)
		__field( unsigned int,	data_sglen )
		__field( unsigned int,	prot_sglen )
		__field( unsigned char,	prot_op )
		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
	),

	TP_fast_assign(
		__entry->host_no	= cmd->device->host->host_no;
		__entry->channel	= cmd->device->channel;
		__entry->id		= cmd->device->id;
		__entry->lun		= cmd->device->lun;
		__entry->rtn		= rtn;
		__entry->opcode		= cmd->cmnd[0];
		__entry->cmd_len	= cmd->cmd_len;
		__entry->driver_tag	= scsi_cmd_to_rq(cmd)->tag;
		__entry->scheduler_tag	= scsi_cmd_to_rq(cmd)->internal_tag;
		__entry->data_sglen	= scsi_sg_count(cmd);
		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
		__entry->prot_op	= scsi_get_prot_op(cmd);
		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
	),

	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
		  " prot_op=%s driver_tag=%d scheduler_tag=%d cmnd=(%s %s raw=%s)" \
		  " rtn=%d",
		  __entry->host_no, __entry->channel, __entry->id,
		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
		  show_prot_op_name(__entry->prot_op), __entry->driver_tag,
		  __entry->scheduler_tag, show_opcode_name(__entry->opcode),
		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
		  __entry->rtn)
);

DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,

	TP_PROTO(struct scsi_cmnd *cmd),

	TP_ARGS(cmd),

	TP_STRUCT__entry(
		__field( unsigned int,	host_no	)
		__field( unsigned int,	channel	)
		__field( unsigned int,	id	)
		__field( unsigned int,	lun	)
		__field( int,		result	)
		__field( unsigned int,	opcode	)
		__field( unsigned int,	cmd_len )
		__field( int,	driver_tag)
		__field( int,	scheduler_tag)
		__field( unsigned int,	data_sglen )
		__field( unsigned int,	prot_sglen )
		__field( unsigned char,	prot_op )
		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
		__field( u8, sense_key )
		__field( u8, asc )
		__field( u8, ascq )
	),

	TP_fast_assign(
		struct scsi_sense_hdr sshdr;

		__entry->host_no	= cmd->device->host->host_no;
		__entry->channel	= cmd->device->channel;
		__entry->id		= cmd->device->id;
		__entry->lun		= cmd->device->lun;
		__entry->result		= cmd->result;
		__entry->opcode		= cmd->cmnd[0];
		__entry->cmd_len	= cmd->cmd_len;
		__entry->driver_tag	= scsi_cmd_to_rq(cmd)->tag;
		__entry->scheduler_tag	= scsi_cmd_to_rq(cmd)->internal_tag;
		__entry->data_sglen	= scsi_sg_count(cmd);
		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
		__entry->prot_op	= scsi_get_prot_op(cmd);
		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
		if (cmd->sense_buffer && SCSI_SENSE_VALID(cmd) &&
		    scsi_command_normalize_sense(cmd, &sshdr)) {
			__entry->sense_key = sshdr.sense_key;
			__entry->asc = sshdr.asc;
			__entry->ascq = sshdr.ascq;
		} else {
			__entry->sense_key = 0;
			__entry->asc = 0;
			__entry->ascq = 0;
		}
	),

	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u " \
		  "prot_op=%s driver_tag=%d scheduler_tag=%d cmnd=(%s %s raw=%s) " \
		  "result=(driver=%s host=%s message=%s status=%s) "
		  "sense=(key=%#x asc=%#x ascq=%#x)",
		  __entry->host_no, __entry->channel, __entry->id,
		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
		  show_prot_op_name(__entry->prot_op), __entry->driver_tag,
		  __entry->scheduler_tag, show_opcode_name(__entry->opcode),
		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
		  "DRIVER_OK",
		  show_hostbyte_name(((__entry->result) >> 16) & 0xff),
		  "COMMAND_COMPLETE",
		  show_statusbyte_name(__entry->result & 0xff),
		  __entry->sense_key, __entry->asc, __entry->ascq)
);

DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
	     TP_PROTO(struct scsi_cmnd *cmd),
	     TP_ARGS(cmd));

DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout,
	     TP_PROTO(struct scsi_cmnd *cmd),
	     TP_ARGS(cmd));

TRACE_EVENT(scsi_eh_wakeup,

	TP_PROTO(struct Scsi_Host *shost),

	TP_ARGS(shost),

	TP_STRUCT__entry(
		__field( unsigned int,	host_no	)
	),

	TP_fast_assign(
		__entry->host_no	= shost->host_no;
	),

	TP_printk("host_no=%u", __entry->host_no)
);

#endif /*  _TRACE_SCSI_H */

/* This part must be outside protection */
#include <trace/define_trace.h>