diff options
Diffstat (limited to 'kernel/include/trace/events/target.h')
| -rw-r--r-- | kernel/include/trace/events/target.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/kernel/include/trace/events/target.h b/kernel/include/trace/events/target.h new file mode 100644 index 000000000..04c3c6efd --- /dev/null +++ b/kernel/include/trace/events/target.h @@ -0,0 +1,214 @@ +#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.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), \ + 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(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 int, opcode ) + __field( unsigned int, data_length ) + __field( unsigned int, task_attribute ) + __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->opcode = cmd->t_task_cdb[0]; + __entry->data_length = cmd->data_length; + __entry->task_attribute = cmd->sam_task_attr; + memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE); + __assign_str(initiator, cmd->se_sess->se_node_acl->initiatorname); + ), + + TP_printk("%s -> LUN %03u %s data_length %6u CDB %s (TA:%s C:%02x)", + __get_str(initiator), __entry->unpacked_lun, + show_opcode_name(__entry->opcode), + __entry->data_length, __print_hex(__entry->cdb, 16), + show_task_attribute_name(__entry->task_attribute), + scsi_command_size(__entry->cdb) <= 16 ? + __entry->cdb[scsi_command_size(__entry->cdb) - 1] : + __entry->cdb[1] + ) +); + +TRACE_EVENT(target_cmd_complete, + + TP_PROTO(struct se_cmd *cmd), + + TP_ARGS(cmd), + + TP_STRUCT__entry( + __field( unsigned int, unpacked_lun ) + __field( unsigned int, opcode ) + __field( unsigned int, data_length ) + __field( unsigned int, task_attribute ) + __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->opcode = cmd->t_task_cdb[0]; + __entry->data_length = cmd->data_length; + __entry->task_attribute = cmd->sam_task_attr; + __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, cmd->se_sess->se_node_acl->initiatorname); + ), + + TP_printk("%s <- LUN %03u status %s (sense len %d%s%s) %s data_length %6u CDB %s (TA:%s C:%02x)", + __get_str(initiator), __entry->unpacked_lun, + 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), + scsi_command_size(__entry->cdb) <= 16 ? + __entry->cdb[scsi_command_size(__entry->cdb) - 1] : + __entry->cdb[1] + ) +); + +#endif /* _TRACE_TARGET_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |