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0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #undef TRACE_SYSTEM
0003 #define TRACE_SYSTEM target
0004 
0005 #if !defined(_TRACE_TARGET_H) || defined(TRACE_HEADER_MULTI_READ)
0006 #define _TRACE_TARGET_H
0007 
0008 #include <linux/tracepoint.h>
0009 #include <linux/trace_seq.h>
0010 #include <scsi/scsi_proto.h>
0011 #include <scsi/scsi_tcq.h>
0012 #include <target/target_core_base.h>
0013 
0014 /* cribbed verbatim from <trace/event/scsi.h> */
0015 #define scsi_opcode_name(opcode)    { opcode, #opcode }
0016 #define show_opcode_name(val)                   \
0017     __print_symbolic(val,                   \
0018         scsi_opcode_name(TEST_UNIT_READY),      \
0019         scsi_opcode_name(REZERO_UNIT),          \
0020         scsi_opcode_name(REQUEST_SENSE),        \
0021         scsi_opcode_name(FORMAT_UNIT),          \
0022         scsi_opcode_name(READ_BLOCK_LIMITS),        \
0023         scsi_opcode_name(REASSIGN_BLOCKS),      \
0024         scsi_opcode_name(INITIALIZE_ELEMENT_STATUS),    \
0025         scsi_opcode_name(READ_6),           \
0026         scsi_opcode_name(WRITE_6),          \
0027         scsi_opcode_name(SEEK_6),           \
0028         scsi_opcode_name(READ_REVERSE),         \
0029         scsi_opcode_name(WRITE_FILEMARKS),      \
0030         scsi_opcode_name(SPACE),            \
0031         scsi_opcode_name(INQUIRY),          \
0032         scsi_opcode_name(RECOVER_BUFFERED_DATA),    \
0033         scsi_opcode_name(MODE_SELECT),          \
0034         scsi_opcode_name(RESERVE),          \
0035         scsi_opcode_name(RELEASE),          \
0036         scsi_opcode_name(COPY),             \
0037         scsi_opcode_name(ERASE),            \
0038         scsi_opcode_name(MODE_SENSE),           \
0039         scsi_opcode_name(START_STOP),           \
0040         scsi_opcode_name(RECEIVE_DIAGNOSTIC),       \
0041         scsi_opcode_name(SEND_DIAGNOSTIC),      \
0042         scsi_opcode_name(ALLOW_MEDIUM_REMOVAL),     \
0043         scsi_opcode_name(SET_WINDOW),           \
0044         scsi_opcode_name(READ_CAPACITY),        \
0045         scsi_opcode_name(READ_10),          \
0046         scsi_opcode_name(WRITE_10),         \
0047         scsi_opcode_name(SEEK_10),          \
0048         scsi_opcode_name(POSITION_TO_ELEMENT),      \
0049         scsi_opcode_name(WRITE_VERIFY),         \
0050         scsi_opcode_name(VERIFY),           \
0051         scsi_opcode_name(SEARCH_HIGH),          \
0052         scsi_opcode_name(SEARCH_EQUAL),         \
0053         scsi_opcode_name(SEARCH_LOW),           \
0054         scsi_opcode_name(SET_LIMITS),           \
0055         scsi_opcode_name(PRE_FETCH),            \
0056         scsi_opcode_name(READ_POSITION),        \
0057         scsi_opcode_name(SYNCHRONIZE_CACHE),        \
0058         scsi_opcode_name(LOCK_UNLOCK_CACHE),        \
0059         scsi_opcode_name(READ_DEFECT_DATA),     \
0060         scsi_opcode_name(MEDIUM_SCAN),          \
0061         scsi_opcode_name(COMPARE),          \
0062         scsi_opcode_name(COPY_VERIFY),          \
0063         scsi_opcode_name(WRITE_BUFFER),         \
0064         scsi_opcode_name(READ_BUFFER),          \
0065         scsi_opcode_name(UPDATE_BLOCK),         \
0066         scsi_opcode_name(READ_LONG),            \
0067         scsi_opcode_name(WRITE_LONG),           \
0068         scsi_opcode_name(CHANGE_DEFINITION),        \
0069         scsi_opcode_name(WRITE_SAME),           \
0070         scsi_opcode_name(UNMAP),            \
0071         scsi_opcode_name(READ_TOC),         \
0072         scsi_opcode_name(LOG_SELECT),           \
0073         scsi_opcode_name(LOG_SENSE),            \
0074         scsi_opcode_name(XDWRITEREAD_10),       \
0075         scsi_opcode_name(MODE_SELECT_10),       \
0076         scsi_opcode_name(RESERVE_10),           \
0077         scsi_opcode_name(RELEASE_10),           \
0078         scsi_opcode_name(MODE_SENSE_10),        \
0079         scsi_opcode_name(PERSISTENT_RESERVE_IN),    \
0080         scsi_opcode_name(PERSISTENT_RESERVE_OUT),   \
0081         scsi_opcode_name(VARIABLE_LENGTH_CMD),      \
0082         scsi_opcode_name(REPORT_LUNS),          \
0083         scsi_opcode_name(MAINTENANCE_IN),       \
0084         scsi_opcode_name(MAINTENANCE_OUT),      \
0085         scsi_opcode_name(MOVE_MEDIUM),          \
0086         scsi_opcode_name(EXCHANGE_MEDIUM),      \
0087         scsi_opcode_name(READ_12),          \
0088         scsi_opcode_name(WRITE_12),         \
0089         scsi_opcode_name(WRITE_VERIFY_12),      \
0090         scsi_opcode_name(SEARCH_HIGH_12),       \
0091         scsi_opcode_name(SEARCH_EQUAL_12),      \
0092         scsi_opcode_name(SEARCH_LOW_12),        \
0093         scsi_opcode_name(READ_ELEMENT_STATUS),      \
0094         scsi_opcode_name(SEND_VOLUME_TAG),      \
0095         scsi_opcode_name(WRITE_LONG_2),         \
0096         scsi_opcode_name(READ_16),          \
0097         scsi_opcode_name(WRITE_16),         \
0098         scsi_opcode_name(VERIFY_16),            \
0099         scsi_opcode_name(WRITE_SAME_16),        \
0100         scsi_opcode_name(SERVICE_ACTION_IN_16),     \
0101         scsi_opcode_name(SAI_READ_CAPACITY_16),     \
0102         scsi_opcode_name(SAI_GET_LBA_STATUS),       \
0103         scsi_opcode_name(MI_REPORT_TARGET_PGS),     \
0104         scsi_opcode_name(MO_SET_TARGET_PGS),        \
0105         scsi_opcode_name(READ_32),          \
0106         scsi_opcode_name(WRITE_32),         \
0107         scsi_opcode_name(WRITE_SAME_32),        \
0108         scsi_opcode_name(ATA_16),           \
0109         scsi_opcode_name(ATA_12))
0110 
0111 #define show_task_attribute_name(val)               \
0112     __print_symbolic(val,                   \
0113         { TCM_SIMPLE_TAG,   "SIMPLE"    },  \
0114         { TCM_HEAD_TAG,     "HEAD"      },  \
0115         { TCM_ORDERED_TAG,  "ORDERED"   },  \
0116         { TCM_ACA_TAG,      "ACA"       } )
0117 
0118 #define show_scsi_status_name(val)              \
0119     __print_symbolic(val,                   \
0120         { SAM_STAT_GOOD,    "GOOD" },       \
0121         { SAM_STAT_CHECK_CONDITION, "CHECK CONDITION" }, \
0122         { SAM_STAT_CONDITION_MET, "CONDITION MET" },    \
0123         { SAM_STAT_BUSY,    "BUSY" },       \
0124         { SAM_STAT_INTERMEDIATE, "INTERMEDIATE" },  \
0125         { SAM_STAT_INTERMEDIATE_CONDITION_MET, "INTERMEDIATE CONDITION MET" }, \
0126         { SAM_STAT_RESERVATION_CONFLICT, "RESERVATION CONFLICT" }, \
0127         { SAM_STAT_COMMAND_TERMINATED, "COMMAND TERMINATED" }, \
0128         { SAM_STAT_TASK_SET_FULL, "TASK SET FULL" },    \
0129         { SAM_STAT_ACA_ACTIVE, "ACA ACTIVE" },      \
0130         { SAM_STAT_TASK_ABORTED, "TASK ABORTED" } )
0131 
0132 TRACE_EVENT(target_sequencer_start,
0133 
0134     TP_PROTO(struct se_cmd *cmd),
0135 
0136     TP_ARGS(cmd),
0137 
0138     TP_STRUCT__entry(
0139         __field( unsigned int,  unpacked_lun    )
0140         __field( unsigned long long,    tag )
0141         __field( unsigned int,  opcode      )
0142         __field( unsigned int,  data_length )
0143         __field( unsigned int,  task_attribute  )
0144         __field( unsigned char, control     )
0145         __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE   )
0146         __string( initiator,    cmd->se_sess->se_node_acl->initiatorname    )
0147     ),
0148 
0149     TP_fast_assign(
0150         __entry->unpacked_lun   = cmd->orig_fe_lun;
0151         __entry->tag        = cmd->tag;
0152         __entry->opcode     = cmd->t_task_cdb[0];
0153         __entry->data_length    = cmd->data_length;
0154         __entry->task_attribute = cmd->sam_task_attr;
0155         __entry->control    = scsi_command_control(cmd->t_task_cdb);
0156         memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
0157         __assign_str(initiator, cmd->se_sess->se_node_acl->initiatorname);
0158     ),
0159 
0160     TP_printk("%s -> LUN %03u tag %#llx %s data_length %6u  CDB %s  (TA:%s C:%02x)",
0161           __get_str(initiator), __entry->unpacked_lun,
0162           __entry->tag, show_opcode_name(__entry->opcode),
0163           __entry->data_length, __print_hex(__entry->cdb, 16),
0164           show_task_attribute_name(__entry->task_attribute),
0165           __entry->control
0166     )
0167 );
0168 
0169 TRACE_EVENT(target_cmd_complete,
0170 
0171     TP_PROTO(struct se_cmd *cmd),
0172 
0173     TP_ARGS(cmd),
0174 
0175     TP_STRUCT__entry(
0176         __field( unsigned int,  unpacked_lun    )
0177         __field( unsigned long long,    tag )
0178         __field( unsigned int,  opcode      )
0179         __field( unsigned int,  data_length )
0180         __field( unsigned int,  task_attribute  )
0181         __field( unsigned char, control     )
0182         __field( unsigned char, scsi_status )
0183         __field( unsigned char, sense_length    )
0184         __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE   )
0185         __array( unsigned char, sense_data, 18  )
0186         __string(initiator, cmd->se_sess->se_node_acl->initiatorname)
0187     ),
0188 
0189     TP_fast_assign(
0190         __entry->unpacked_lun   = cmd->orig_fe_lun;
0191         __entry->tag        = cmd->tag;
0192         __entry->opcode     = cmd->t_task_cdb[0];
0193         __entry->data_length    = cmd->data_length;
0194         __entry->task_attribute = cmd->sam_task_attr;
0195         __entry->control    = scsi_command_control(cmd->t_task_cdb);
0196         __entry->scsi_status    = cmd->scsi_status;
0197         __entry->sense_length   = cmd->scsi_status == SAM_STAT_CHECK_CONDITION ?
0198             min(18, ((u8 *) cmd->sense_buffer)[SPC_ADD_SENSE_LEN_OFFSET] + 8) : 0;
0199         memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
0200         memcpy(__entry->sense_data, cmd->sense_buffer, __entry->sense_length);
0201         __assign_str(initiator, cmd->se_sess->se_node_acl->initiatorname);
0202     ),
0203 
0204     TP_printk("%s <- LUN %03u tag %#llx status %s (sense len %d%s%s)  %s data_length %6u  CDB %s  (TA:%s C:%02x)",
0205           __get_str(initiator), __entry->unpacked_lun,
0206           __entry->tag,
0207           show_scsi_status_name(__entry->scsi_status),
0208           __entry->sense_length, __entry->sense_length ? " / " : "",
0209           __print_hex(__entry->sense_data, __entry->sense_length),
0210           show_opcode_name(__entry->opcode),
0211           __entry->data_length, __print_hex(__entry->cdb, 16),
0212           show_task_attribute_name(__entry->task_attribute),
0213           __entry->control
0214     )
0215 );
0216 
0217 #endif /*  _TRACE_TARGET_H */
0218 
0219 /* This part must be outside protection */
0220 #include <trace/define_trace.h>
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