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-rw-r--r--include/trace/events/target.h220
1 files changed, 220 insertions, 0 deletions
diff --git a/include/trace/events/target.h b/include/trace/events/target.h
new file mode 100644
index 000000000..67fad2677
--- /dev/null
+++ b/include/trace/events/target.h
@@ -0,0 +1,220 @@
+/* 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), \
+ 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 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, cmd->se_sess->se_node_acl->initiatorname);
+ ),
+
+ 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, cmd->se_sess->se_node_acl->initiatorname);
+ ),
+
+ 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>
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