GNU Linux-libre 4.9.311-gnu1
[releases.git] / include / trace / events / target.h
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM target
3
4 #if !defined(_TRACE_TARGET_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_TARGET_H
6
7 #include <linux/tracepoint.h>
8 #include <linux/trace_seq.h>
9 #include <scsi/scsi_proto.h>
10 #include <scsi/scsi_tcq.h>
11 #include <target/target_core_base.h>
12
13 /* cribbed verbatim from <trace/event/scsi.h> */
14 #define scsi_opcode_name(opcode)        { opcode, #opcode }
15 #define show_opcode_name(val)                                   \
16         __print_symbolic(val,                                   \
17                 scsi_opcode_name(TEST_UNIT_READY),              \
18                 scsi_opcode_name(REZERO_UNIT),                  \
19                 scsi_opcode_name(REQUEST_SENSE),                \
20                 scsi_opcode_name(FORMAT_UNIT),                  \
21                 scsi_opcode_name(READ_BLOCK_LIMITS),            \
22                 scsi_opcode_name(REASSIGN_BLOCKS),              \
23                 scsi_opcode_name(INITIALIZE_ELEMENT_STATUS),    \
24                 scsi_opcode_name(READ_6),                       \
25                 scsi_opcode_name(WRITE_6),                      \
26                 scsi_opcode_name(SEEK_6),                       \
27                 scsi_opcode_name(READ_REVERSE),                 \
28                 scsi_opcode_name(WRITE_FILEMARKS),              \
29                 scsi_opcode_name(SPACE),                        \
30                 scsi_opcode_name(INQUIRY),                      \
31                 scsi_opcode_name(RECOVER_BUFFERED_DATA),        \
32                 scsi_opcode_name(MODE_SELECT),                  \
33                 scsi_opcode_name(RESERVE),                      \
34                 scsi_opcode_name(RELEASE),                      \
35                 scsi_opcode_name(COPY),                         \
36                 scsi_opcode_name(ERASE),                        \
37                 scsi_opcode_name(MODE_SENSE),                   \
38                 scsi_opcode_name(START_STOP),                   \
39                 scsi_opcode_name(RECEIVE_DIAGNOSTIC),           \
40                 scsi_opcode_name(SEND_DIAGNOSTIC),              \
41                 scsi_opcode_name(ALLOW_MEDIUM_REMOVAL),         \
42                 scsi_opcode_name(SET_WINDOW),                   \
43                 scsi_opcode_name(READ_CAPACITY),                \
44                 scsi_opcode_name(READ_10),                      \
45                 scsi_opcode_name(WRITE_10),                     \
46                 scsi_opcode_name(SEEK_10),                      \
47                 scsi_opcode_name(POSITION_TO_ELEMENT),          \
48                 scsi_opcode_name(WRITE_VERIFY),                 \
49                 scsi_opcode_name(VERIFY),                       \
50                 scsi_opcode_name(SEARCH_HIGH),                  \
51                 scsi_opcode_name(SEARCH_EQUAL),                 \
52                 scsi_opcode_name(SEARCH_LOW),                   \
53                 scsi_opcode_name(SET_LIMITS),                   \
54                 scsi_opcode_name(PRE_FETCH),                    \
55                 scsi_opcode_name(READ_POSITION),                \
56                 scsi_opcode_name(SYNCHRONIZE_CACHE),            \
57                 scsi_opcode_name(LOCK_UNLOCK_CACHE),            \
58                 scsi_opcode_name(READ_DEFECT_DATA),             \
59                 scsi_opcode_name(MEDIUM_SCAN),                  \
60                 scsi_opcode_name(COMPARE),                      \
61                 scsi_opcode_name(COPY_VERIFY),                  \
62                 scsi_opcode_name(WRITE_BUFFER),                 \
63                 scsi_opcode_name(READ_BUFFER),                  \
64                 scsi_opcode_name(UPDATE_BLOCK),                 \
65                 scsi_opcode_name(READ_LONG),                    \
66                 scsi_opcode_name(WRITE_LONG),                   \
67                 scsi_opcode_name(CHANGE_DEFINITION),            \
68                 scsi_opcode_name(WRITE_SAME),                   \
69                 scsi_opcode_name(UNMAP),                        \
70                 scsi_opcode_name(READ_TOC),                     \
71                 scsi_opcode_name(LOG_SELECT),                   \
72                 scsi_opcode_name(LOG_SENSE),                    \
73                 scsi_opcode_name(XDWRITEREAD_10),               \
74                 scsi_opcode_name(MODE_SELECT_10),               \
75                 scsi_opcode_name(RESERVE_10),                   \
76                 scsi_opcode_name(RELEASE_10),                   \
77                 scsi_opcode_name(MODE_SENSE_10),                \
78                 scsi_opcode_name(PERSISTENT_RESERVE_IN),        \
79                 scsi_opcode_name(PERSISTENT_RESERVE_OUT),       \
80                 scsi_opcode_name(VARIABLE_LENGTH_CMD),          \
81                 scsi_opcode_name(REPORT_LUNS),                  \
82                 scsi_opcode_name(MAINTENANCE_IN),               \
83                 scsi_opcode_name(MAINTENANCE_OUT),              \
84                 scsi_opcode_name(MOVE_MEDIUM),                  \
85                 scsi_opcode_name(EXCHANGE_MEDIUM),              \
86                 scsi_opcode_name(READ_12),                      \
87                 scsi_opcode_name(WRITE_12),                     \
88                 scsi_opcode_name(WRITE_VERIFY_12),              \
89                 scsi_opcode_name(SEARCH_HIGH_12),               \
90                 scsi_opcode_name(SEARCH_EQUAL_12),              \
91                 scsi_opcode_name(SEARCH_LOW_12),                \
92                 scsi_opcode_name(READ_ELEMENT_STATUS),          \
93                 scsi_opcode_name(SEND_VOLUME_TAG),              \
94                 scsi_opcode_name(WRITE_LONG_2),                 \
95                 scsi_opcode_name(READ_16),                      \
96                 scsi_opcode_name(WRITE_16),                     \
97                 scsi_opcode_name(VERIFY_16),                    \
98                 scsi_opcode_name(WRITE_SAME_16),                \
99                 scsi_opcode_name(SERVICE_ACTION_IN_16),         \
100                 scsi_opcode_name(SAI_READ_CAPACITY_16),         \
101                 scsi_opcode_name(SAI_GET_LBA_STATUS),           \
102                 scsi_opcode_name(MI_REPORT_TARGET_PGS),         \
103                 scsi_opcode_name(MO_SET_TARGET_PGS),            \
104                 scsi_opcode_name(READ_32),                      \
105                 scsi_opcode_name(WRITE_32),                     \
106                 scsi_opcode_name(WRITE_SAME_32),                \
107                 scsi_opcode_name(ATA_16),                       \
108                 scsi_opcode_name(ATA_12))
109
110 #define show_task_attribute_name(val)                           \
111         __print_symbolic(val,                                   \
112                 { TCM_SIMPLE_TAG,       "SIMPLE"        },      \
113                 { TCM_HEAD_TAG,         "HEAD"          },      \
114                 { TCM_ORDERED_TAG,      "ORDERED"       },      \
115                 { TCM_ACA_TAG,          "ACA"           } )
116
117 #define show_scsi_status_name(val)                              \
118         __print_symbolic(val,                                   \
119                 { SAM_STAT_GOOD,        "GOOD" },               \
120                 { SAM_STAT_CHECK_CONDITION, "CHECK CONDITION" }, \
121                 { SAM_STAT_CONDITION_MET, "CONDITION MET" },    \
122                 { SAM_STAT_BUSY,        "BUSY" },               \
123                 { SAM_STAT_INTERMEDIATE, "INTERMEDIATE" },      \
124                 { SAM_STAT_INTERMEDIATE_CONDITION_MET, "INTERMEDIATE CONDITION MET" }, \
125                 { SAM_STAT_RESERVATION_CONFLICT, "RESERVATION CONFLICT" }, \
126                 { SAM_STAT_COMMAND_TERMINATED, "COMMAND TERMINATED" }, \
127                 { SAM_STAT_TASK_SET_FULL, "TASK SET FULL" },    \
128                 { SAM_STAT_ACA_ACTIVE, "ACA ACTIVE" },          \
129                 { SAM_STAT_TASK_ABORTED, "TASK ABORTED" } )
130
131 TRACE_EVENT(target_sequencer_start,
132
133         TP_PROTO(struct se_cmd *cmd),
134
135         TP_ARGS(cmd),
136
137         TP_STRUCT__entry(
138                 __field( unsigned int,  unpacked_lun    )
139                 __field( unsigned int,  opcode          )
140                 __field( unsigned int,  data_length     )
141                 __field( unsigned int,  task_attribute  )
142                 __field( unsigned char, control         )
143                 __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE       )
144                 __string( initiator,    cmd->se_sess->se_node_acl->initiatorname        )
145         ),
146
147         TP_fast_assign(
148                 __entry->unpacked_lun   = cmd->orig_fe_lun;
149                 __entry->opcode         = cmd->t_task_cdb[0];
150                 __entry->data_length    = cmd->data_length;
151                 __entry->task_attribute = cmd->sam_task_attr;
152                 __entry->control        = scsi_command_control(cmd->t_task_cdb);
153                 memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
154                 __assign_str(initiator, cmd->se_sess->se_node_acl->initiatorname);
155         ),
156
157         TP_printk("%s -> LUN %03u %s data_length %6u  CDB %s  (TA:%s C:%02x)",
158                   __get_str(initiator), __entry->unpacked_lun,
159                   show_opcode_name(__entry->opcode),
160                   __entry->data_length, __print_hex(__entry->cdb, 16),
161                   show_task_attribute_name(__entry->task_attribute),
162                   __entry->control
163         )
164 );
165
166 TRACE_EVENT(target_cmd_complete,
167
168         TP_PROTO(struct se_cmd *cmd),
169
170         TP_ARGS(cmd),
171
172         TP_STRUCT__entry(
173                 __field( unsigned int,  unpacked_lun    )
174                 __field( unsigned int,  opcode          )
175                 __field( unsigned int,  data_length     )
176                 __field( unsigned int,  task_attribute  )
177                 __field( unsigned char, control         )
178                 __field( unsigned char, scsi_status     )
179                 __field( unsigned char, sense_length    )
180                 __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE       )
181                 __array( unsigned char, sense_data, 18  )
182                 __string(initiator,     cmd->se_sess->se_node_acl->initiatorname)
183         ),
184
185         TP_fast_assign(
186                 __entry->unpacked_lun   = cmd->orig_fe_lun;
187                 __entry->opcode         = cmd->t_task_cdb[0];
188                 __entry->data_length    = cmd->data_length;
189                 __entry->task_attribute = cmd->sam_task_attr;
190                 __entry->control        = scsi_command_control(cmd->t_task_cdb);
191                 __entry->scsi_status    = cmd->scsi_status;
192                 __entry->sense_length   = cmd->scsi_status == SAM_STAT_CHECK_CONDITION ?
193                         min(18, ((u8 *) cmd->sense_buffer)[SPC_ADD_SENSE_LEN_OFFSET] + 8) : 0;
194                 memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
195                 memcpy(__entry->sense_data, cmd->sense_buffer, __entry->sense_length);
196                 __assign_str(initiator, cmd->se_sess->se_node_acl->initiatorname);
197         ),
198
199         TP_printk("%s <- LUN %03u status %s (sense len %d%s%s)  %s data_length %6u  CDB %s  (TA:%s C:%02x)",
200                   __get_str(initiator), __entry->unpacked_lun,
201                   show_scsi_status_name(__entry->scsi_status),
202                   __entry->sense_length, __entry->sense_length ? " / " : "",
203                   __print_hex(__entry->sense_data, __entry->sense_length),
204                   show_opcode_name(__entry->opcode),
205                   __entry->data_length, __print_hex(__entry->cdb, 16),
206                   show_task_attribute_name(__entry->task_attribute),
207                   __entry->control
208         )
209 );
210
211 #endif /*  _TRACE_TARGET_H */
212
213 /* This part must be outside protection */
214 #include <trace/define_trace.h>