Quelle  target.h   Sprache: C

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

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

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
#include <scsi/scsi_proto.h>
#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>

/* cribbed verbatim from <trace/event/scsi.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_6),   \
  scsi_opcode_name(RELEASE_6),   \
  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(SERVICE_ACTION_IN_16),  \
  scsi_opcode_name(SAI_READ_CAPACITY_16),  \
  scsi_opcode_name(SAI_GET_LBA_STATUS),  \
  scsi_opcode_name(MI_REPORT_TARGET_PGS),  \
  scsi_opcode_name(MO_SET_TARGET_PGS),  \
  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 show_task_attribute_name(val)    \
 __print_symbolic(val,     \
  { TCM_SIMPLE_TAG, "SIMPLE" }, \
  { TCM_HEAD_TAG,  "HEAD"  }, \
  { TCM_ORDERED_TAG, "ORDERED" }, \
  { TCM_ACA_TAG,  "ACA"  } )

#define show_scsi_status_name(val)    \
 __print_symbolic(val,     \
  { SAM_STAT_GOOD, "GOOD" },  \
  { SAM_STAT_CHECK_CONDITION, "CHECK CONDITION" }, \
  { SAM_STAT_CONDITION_MET, "CONDITION MET" }, \
  { SAM_STAT_BUSY, "BUSY" },  \
  { SAM_STAT_INTERMEDIATE, "INTERMEDIATE" }, \
  { SAM_STAT_INTERMEDIATE_CONDITION_MET, "INTERMEDIATE CONDITION MET" }, \
  { SAM_STAT_RESERVATION_CONFLICT, "RESERVATION CONFLICT" }, \
  { SAM_STAT_COMMAND_TERMINATED, "COMMAND TERMINATED" }, \
  { SAM_STAT_TASK_SET_FULL, "TASK SET FULL" }, \
  { SAM_STAT_ACA_ACTIVE, "ACA ACTIVE" },  \
  { SAM_STAT_TASK_ABORTED, "TASK ABORTED" } )

TRACE_EVENT(target_sequencer_start,

 TP_PROTO(struct se_cmd *cmd),

 TP_ARGS(cmd),

 TP_STRUCT__entry(
  __field( unsigned int, unpacked_lun )
  __field( unsigned long long, tag )
  __field( unsigned int, opcode  )
  __field( unsigned int, data_length )
  __field( unsigned int, task_attribute  )
  __field( unsigned char, control  )
  __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE )
  __string( initiator, cmd->se_sess->se_node_acl->initiatorname )
 ),

 TP_fast_assign(
  __entry->unpacked_lun = cmd->orig_fe_lun;
  __entry->tag  = cmd->tag;
  __entry->opcode  = cmd->t_task_cdb[0];
  __entry->data_length = cmd->data_length;
  __entry->task_attribute = cmd->sam_task_attr;
  __entry->control = scsi_command_control(cmd->t_task_cdb);
  memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
  __assign_str(initiator);
 ),

 TP_printk("%s -> LUN %03u tag %#llx %s data_length %6u CDB %s (TA:%s C:%02x)",
    __get_str(initiator), __entry->unpacked_lun,
    __entry->tag, show_opcode_name(__entry->opcode),
    __entry->data_length, __print_hex(__entry->cdb, 16),
    show_task_attribute_name(__entry->task_attribute),
    __entry->control
 )
);

TRACE_EVENT(target_cmd_complete,

 TP_PROTO(struct se_cmd *cmd),

 TP_ARGS(cmd),

 TP_STRUCT__entry(
  __field( unsigned int, unpacked_lun )
  __field( unsigned long long, tag )
  __field( unsigned int, opcode  )
  __field( unsigned int, data_length )
  __field( unsigned int, task_attribute  )
  __field( unsigned char, control  )
  __field( unsigned char, scsi_status )
  __field( unsigned char, sense_length )
  __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE )
  __array( unsigned char, sense_data, 18 )
  __string(initiator, cmd->se_sess->se_node_acl->initiatorname)
 ),

 TP_fast_assign(
  __entry->unpacked_lun = cmd->orig_fe_lun;
  __entry->tag  = cmd->tag;
  __entry->opcode  = cmd->t_task_cdb[0];
  __entry->data_length = cmd->data_length;
  __entry->task_attribute = cmd->sam_task_attr;
  __entry->control = scsi_command_control(cmd->t_task_cdb);
  __entry->scsi_status = cmd->scsi_status;
  __entry->sense_length = cmd->scsi_status == SAM_STAT_CHECK_CONDITION ?
   min(18, ((u8 *) cmd->sense_buffer)[SPC_ADD_SENSE_LEN_OFFSET] + 8) : 0;
  memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
  memcpy(__entry->sense_data, cmd->sense_buffer, __entry->sense_length);
  __assign_str(initiator);
 ),

 TP_printk("%s <- LUN %03u tag %#llx status %s (sense len %d%s%s) %s data_length %6u CDB %s (TA:%s C:%02x)",
    __get_str(initiator), __entry->unpacked_lun,
    __entry->tag,
    show_scsi_status_name(__entry->scsi_status),
    __entry->sense_length, __entry->sense_length ? " / " : "",
    __print_hex(__entry->sense_data, __entry->sense_length),
    show_opcode_name(__entry->opcode),
    __entry->data_length, __print_hex(__entry->cdb, 16),
    show_task_attribute_name(__entry->task_attribute),
    __entry->control
 )
);

#endif /*  _TRACE_TARGET_H */

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