cregit-Linux how code gets into the kernel

Release 4.12 include/trace/events/scsi.h


#undef TRACE_SYSTEM

#define TRACE_SYSTEM scsi

#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)	{ opcode, #opcode }

#define show_opcode_name(val)					\
	__print_symbolic(val,                                   \
                scsi_opcode_name(TEST_UNIT_READY),              \
                scsi_opcode_name(REZERO_UNIT),                  \
                scsi_opcode_name(REQUEST_SENSE),                \
                scsi_opcode_name(FORMAT_UNIT),                  \
                scsi_opcode_name(READ_BLOCK_LIMITS),            \
                scsi_opcode_name(REASSIGN_BLOCKS),              \
                scsi_opcode_name(INITIALIZE_ELEMENT_STATUS),    \
                scsi_opcode_name(READ_6),                       \
                scsi_opcode_name(WRITE_6),                      \
                scsi_opcode_name(SEEK_6),                       \
                scsi_opcode_name(READ_REVERSE),                 \
                scsi_opcode_name(WRITE_FILEMARKS),              \
                scsi_opcode_name(SPACE),                        \
                scsi_opcode_name(INQUIRY),                      \
                scsi_opcode_name(RECOVER_BUFFERED_DATA),        \
                scsi_opcode_name(MODE_SELECT),                  \
                scsi_opcode_name(RESERVE),                      \
                scsi_opcode_name(RELEASE),                      \
                scsi_opcode_name(COPY),                         \
                scsi_opcode_name(ERASE),                        \
                scsi_opcode_name(MODE_SENSE),                   \
                scsi_opcode_name(START_STOP),                   \
                scsi_opcode_name(RECEIVE_DIAGNOSTIC),           \
                scsi_opcode_name(SEND_DIAGNOSTIC),              \
                scsi_opcode_name(ALLOW_MEDIUM_REMOVAL),         \
                scsi_opcode_name(SET_WINDOW),                   \
                scsi_opcode_name(READ_CAPACITY),                \
                scsi_opcode_name(READ_10),                      \
                scsi_opcode_name(WRITE_10),                     \
                scsi_opcode_name(SEEK_10),                      \
                scsi_opcode_name(POSITION_TO_ELEMENT),          \
                scsi_opcode_name(WRITE_VERIFY),                 \
                scsi_opcode_name(VERIFY),                       \
                scsi_opcode_name(SEARCH_HIGH),                  \
                scsi_opcode_name(SEARCH_EQUAL),                 \
                scsi_opcode_name(SEARCH_LOW),                   \
                scsi_opcode_name(SET_LIMITS),                   \
                scsi_opcode_name(PRE_FETCH),                    \
                scsi_opcode_name(READ_POSITION),                \
                scsi_opcode_name(SYNCHRONIZE_CACHE),            \
                scsi_opcode_name(LOCK_UNLOCK_CACHE),            \
                scsi_opcode_name(READ_DEFECT_DATA),             \
                scsi_opcode_name(MEDIUM_SCAN),                  \
                scsi_opcode_name(COMPARE),                      \
                scsi_opcode_name(COPY_VERIFY),                  \
                scsi_opcode_name(WRITE_BUFFER),                 \
                scsi_opcode_name(READ_BUFFER),                  \
                scsi_opcode_name(UPDATE_BLOCK),                 \
                scsi_opcode_name(READ_LONG),                    \
                scsi_opcode_name(WRITE_LONG),                   \
                scsi_opcode_name(CHANGE_DEFINITION),            \
                scsi_opcode_name(WRITE_SAME),                   \
                scsi_opcode_name(UNMAP),                        \
                scsi_opcode_name(READ_TOC),                     \
                scsi_opcode_name(LOG_SELECT),                   \
                scsi_opcode_name(LOG_SENSE),                    \
                scsi_opcode_name(XDWRITEREAD_10),               \
                scsi_opcode_name(MODE_SELECT_10),               \
                scsi_opcode_name(RESERVE_10),                   \
                scsi_opcode_name(RELEASE_10),                   \
                scsi_opcode_name(MODE_SENSE_10),                \
                scsi_opcode_name(PERSISTENT_RESERVE_IN),        \
                scsi_opcode_name(PERSISTENT_RESERVE_OUT),       \
                scsi_opcode_name(VARIABLE_LENGTH_CMD),          \
                scsi_opcode_name(REPORT_LUNS),                  \
                scsi_opcode_name(MAINTENANCE_IN),               \
                scsi_opcode_name(MAINTENANCE_OUT),              \
                scsi_opcode_name(MOVE_MEDIUM),                  \
                scsi_opcode_name(EXCHANGE_MEDIUM),              \
                scsi_opcode_name(READ_12),                      \
                scsi_opcode_name(WRITE_12),                     \
                scsi_opcode_name(WRITE_VERIFY_12),              \
                scsi_opcode_name(SEARCH_HIGH_12),               \
                scsi_opcode_name(SEARCH_EQUAL_12),              \
                scsi_opcode_name(SEARCH_LOW_12),                \
                scsi_opcode_name(READ_ELEMENT_STATUS),          \
                scsi_opcode_name(SEND_VOLUME_TAG),              \
                scsi_opcode_name(WRITE_LONG_2),                 \
                scsi_opcode_name(READ_16),                      \
                scsi_opcode_name(WRITE_16),                     \
                scsi_opcode_name(VERIFY_16),                    \
                scsi_opcode_name(WRITE_SAME_16),                \
                scsi_opcode_name(ZBC_OUT),                      \
                scsi_opcode_name(ZBC_IN),                       \
                scsi_opcode_name(SERVICE_ACTION_IN_16),         \
                scsi_opcode_name(READ_32),                      \
                scsi_opcode_name(WRITE_32),                     \
                scsi_opcode_name(WRITE_SAME_32),                \
                scsi_opcode_name(ATA_16),                       \
                scsi_opcode_name(ATA_12))


#define scsi_hostbyte_name(result)	{ result, #result }

#define show_hostbyte_name(val)					\
	__print_symbolic(val,                                   \
                scsi_hostbyte_name(DID_OK),                     \
                scsi_hostbyte_name(DID_NO_CONNECT),             \
                scsi_hostbyte_name(DID_BUS_BUSY),               \
                scsi_hostbyte_name(DID_TIME_OUT),               \
                scsi_hostbyte_name(DID_BAD_TARGET),             \
                scsi_hostbyte_name(DID_ABORT),                  \
                scsi_hostbyte_name(DID_PARITY),                 \
                scsi_hostbyte_name(DID_ERROR),                  \
                scsi_hostbyte_name(DID_RESET),                  \
                scsi_hostbyte_name(DID_BAD_INTR),               \
                scsi_hostbyte_name(DID_PASSTHROUGH),            \
                scsi_hostbyte_name(DID_SOFT_ERROR),             \
                scsi_hostbyte_name(DID_IMM_RETRY),              \
                scsi_hostbyte_name(DID_REQUEUE),                \
                scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED),    \
                scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))


#define scsi_driverbyte_name(result)	{ result, #result }

#define show_driverbyte_name(val)				\
	__print_symbolic(val,                                   \
                scsi_driverbyte_name(DRIVER_OK),                \
                scsi_driverbyte_name(DRIVER_BUSY),              \
                scsi_driverbyte_name(DRIVER_SOFT),              \
                scsi_driverbyte_name(DRIVER_MEDIA),             \
                scsi_driverbyte_name(DRIVER_ERROR),             \
                scsi_driverbyte_name(DRIVER_INVALID),           \
                scsi_driverbyte_name(DRIVER_TIMEOUT),           \
                scsi_driverbyte_name(DRIVER_HARD),              \
                scsi_driverbyte_name(DRIVER_SENSE))


#define scsi_msgbyte_name(result)	{ result, #result }

#define show_msgbyte_name(val)					\
	__print_symbolic(val,                                   \
                scsi_msgbyte_name(COMMAND_COMPLETE),            \
                scsi_msgbyte_name(EXTENDED_MESSAGE),            \
                scsi_msgbyte_name(SAVE_POINTERS),               \
                scsi_msgbyte_name(RESTORE_POINTERS),            \
                scsi_msgbyte_name(DISCONNECT),                  \
                scsi_msgbyte_name(INITIATOR_ERROR),             \
                scsi_msgbyte_name(ABORT_TASK_SET),              \
                scsi_msgbyte_name(MESSAGE_REJECT),              \
                scsi_msgbyte_name(NOP),                         \
                scsi_msgbyte_name(MSG_PARITY_ERROR),            \
                scsi_msgbyte_name(LINKED_CMD_COMPLETE),         \
                scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE),     \
                scsi_msgbyte_name(TARGET_RESET),                \
                scsi_msgbyte_name(ABORT_TASK),                  \
                scsi_msgbyte_name(CLEAR_TASK_SET),              \
                scsi_msgbyte_name(INITIATE_RECOVERY),           \
                scsi_msgbyte_name(RELEASE_RECOVERY),            \
                scsi_msgbyte_name(CLEAR_ACA),                   \
                scsi_msgbyte_name(LOGICAL_UNIT_RESET),          \
                scsi_msgbyte_name(SIMPLE_QUEUE_TAG),            \
                scsi_msgbyte_name(HEAD_OF_QUEUE_TAG),           \
                scsi_msgbyte_name(ORDERED_QUEUE_TAG),           \
                scsi_msgbyte_name(IGNORE_WIDE_RESIDUE),         \
                scsi_msgbyte_name(ACA),                         \
                scsi_msgbyte_name(QAS_REQUEST),                 \
                scsi_msgbyte_name(BUS_DEVICE_RESET),            \
                scsi_msgbyte_name(ABORT))


#define scsi_statusbyte_name(result)	{ result, #result }

#define show_statusbyte_name(val)				\
	__print_symbolic(val,                                   \
                scsi_statusbyte_name(SAM_STAT_GOOD),            \
                scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION), \
                scsi_statusbyte_name(SAM_STAT_CONDITION_MET),   \
                scsi_statusbyte_name(SAM_STAT_BUSY),            \
                scsi_statusbyte_name(SAM_STAT_INTERMEDIATE),    \
                scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \
                scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT),    \
                scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED),      \
                scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL),   \
                scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE),      \
                scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))


#define scsi_prot_op_name(result)	{ result, #result }

#define show_prot_op_name(val)					\
	__print_symbolic(val,                                   \
                scsi_prot_op_name(SCSI_PROT_NORMAL),            \
                scsi_prot_op_name(SCSI_PROT_READ_INSERT),       \
                scsi_prot_op_name(SCSI_PROT_WRITE_STRIP),       \
                scsi_prot_op_name(SCSI_PROT_READ_STRIP),        \
                scsi_prot_op_name(SCSI_PROT_WRITE_INSERT),      \
                scsi_prot_op_name(SCSI_PROT_READ_PASS),         \
                scsi_prot_op_name(SCSI_PROT_WRITE_PASS))

const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);

#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, 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( 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->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 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),
                  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( 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->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 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),
                  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( 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->result         = cmd->result;
                __entry->opcode         = cmd->cmnd[0];
                __entry->cmd_len        = cmd->cmd_len;
                __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 cmnd=(%s %s raw=%s) result=(driver=" \
		  "%s host=%s message=%s status=%s)",
                  __entry->host_no, __entry->channel, __entry->id,
                  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
                  show_prot_op_name(__entry->prot_op),
                  show_opcode_name(__entry->opcode),
                  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
                  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
                  show_driverbyte_name(((__entry->result) >> 24) & 0xff),
                  show_hostbyte_name(((__entry->result) >> 16) & 0xff),
                  show_msgbyte_name(((__entry->result) >> 8) & 0xff),
                  show_statusbyte_name(__entry->result & 0xff))
);

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>

Overall Contributors

PersonTokensPropCommitsCommitProp
Keiichiro Tokunaga25687.67%125.00%
Martin K. Petersen3511.99%250.00%
Hannes Reinecke10.34%125.00%
Total292100.00%4100.00%
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