1 // SPDX-License-Identifier: GPL-2.0
5 #include "event-parse.h"
7 typedef unsigned long sector_t;
9 typedef unsigned int u32;
14 #define TEST_UNIT_READY 0x00
15 #define REZERO_UNIT 0x01
16 #define REQUEST_SENSE 0x03
17 #define FORMAT_UNIT 0x04
18 #define READ_BLOCK_LIMITS 0x05
19 #define REASSIGN_BLOCKS 0x07
20 #define INITIALIZE_ELEMENT_STATUS 0x07
24 #define READ_REVERSE 0x0f
25 #define WRITE_FILEMARKS 0x10
28 #define RECOVER_BUFFERED_DATA 0x14
29 #define MODE_SELECT 0x15
34 #define MODE_SENSE 0x1a
35 #define START_STOP 0x1b
36 #define RECEIVE_DIAGNOSTIC 0x1c
37 #define SEND_DIAGNOSTIC 0x1d
38 #define ALLOW_MEDIUM_REMOVAL 0x1e
40 #define READ_FORMAT_CAPACITIES 0x23
41 #define SET_WINDOW 0x24
42 #define READ_CAPACITY 0x25
46 #define POSITION_TO_ELEMENT 0x2b
47 #define WRITE_VERIFY 0x2e
49 #define SEARCH_HIGH 0x30
50 #define SEARCH_EQUAL 0x31
51 #define SEARCH_LOW 0x32
52 #define SET_LIMITS 0x33
53 #define PRE_FETCH 0x34
54 #define READ_POSITION 0x34
55 #define SYNCHRONIZE_CACHE 0x35
56 #define LOCK_UNLOCK_CACHE 0x36
57 #define READ_DEFECT_DATA 0x37
58 #define MEDIUM_SCAN 0x38
60 #define COPY_VERIFY 0x3a
61 #define WRITE_BUFFER 0x3b
62 #define READ_BUFFER 0x3c
63 #define UPDATE_BLOCK 0x3d
64 #define READ_LONG 0x3e
65 #define WRITE_LONG 0x3f
66 #define CHANGE_DEFINITION 0x40
67 #define WRITE_SAME 0x41
70 #define READ_HEADER 0x44
71 #define GET_EVENT_STATUS_NOTIFICATION 0x4a
72 #define LOG_SELECT 0x4c
73 #define LOG_SENSE 0x4d
74 #define XDWRITEREAD_10 0x53
75 #define MODE_SELECT_10 0x55
76 #define RESERVE_10 0x56
77 #define RELEASE_10 0x57
78 #define MODE_SENSE_10 0x5a
79 #define PERSISTENT_RESERVE_IN 0x5e
80 #define PERSISTENT_RESERVE_OUT 0x5f
81 #define VARIABLE_LENGTH_CMD 0x7f
82 #define REPORT_LUNS 0xa0
83 #define SECURITY_PROTOCOL_IN 0xa2
84 #define MAINTENANCE_IN 0xa3
85 #define MAINTENANCE_OUT 0xa4
86 #define MOVE_MEDIUM 0xa5
87 #define EXCHANGE_MEDIUM 0xa6
89 #define SERVICE_ACTION_OUT_12 0xa9
91 #define SERVICE_ACTION_IN_12 0xab
92 #define WRITE_VERIFY_12 0xae
93 #define VERIFY_12 0xaf
94 #define SEARCH_HIGH_12 0xb0
95 #define SEARCH_EQUAL_12 0xb1
96 #define SEARCH_LOW_12 0xb2
97 #define SECURITY_PROTOCOL_OUT 0xb5
98 #define READ_ELEMENT_STATUS 0xb8
99 #define SEND_VOLUME_TAG 0xb6
100 #define WRITE_LONG_2 0xea
101 #define EXTENDED_COPY 0x83
102 #define RECEIVE_COPY_RESULTS 0x84
103 #define ACCESS_CONTROL_IN 0x86
104 #define ACCESS_CONTROL_OUT 0x87
106 #define WRITE_16 0x8a
107 #define READ_ATTRIBUTE 0x8c
108 #define WRITE_ATTRIBUTE 0x8d
109 #define VERIFY_16 0x8f
110 #define SYNCHRONIZE_CACHE_16 0x91
111 #define WRITE_SAME_16 0x93
112 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d
113 #define SERVICE_ACTION_IN_16 0x9e
114 #define SERVICE_ACTION_OUT_16 0x9f
115 /* values for service action in */
116 #define SAI_READ_CAPACITY_16 0x10
117 #define SAI_GET_LBA_STATUS 0x12
118 /* values for VARIABLE_LENGTH_CMD service action codes
119 * see spc4r17 Section D.3.5, table D.7 and D.8 */
120 #define VLC_SA_RECEIVE_CREDENTIAL 0x1800
121 /* values for maintenance in */
122 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05
123 #define MI_REPORT_TARGET_PGS 0x0a
124 #define MI_REPORT_ALIASES 0x0b
125 #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
126 #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
127 #define MI_REPORT_PRIORITY 0x0e
128 #define MI_REPORT_TIMESTAMP 0x0f
129 #define MI_MANAGEMENT_PROTOCOL_IN 0x10
130 /* value for MI_REPORT_TARGET_PGS ext header */
131 #define MI_EXT_HDR_PARAM_FMT 0x20
132 /* values for maintenance out */
133 #define MO_SET_IDENTIFYING_INFORMATION 0x06
134 #define MO_SET_TARGET_PGS 0x0a
135 #define MO_CHANGE_ALIASES 0x0b
136 #define MO_SET_PRIORITY 0x0e
137 #define MO_SET_TIMESTAMP 0x0f
138 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10
139 /* values for variable length command */
140 #define XDREAD_32 0x03
141 #define XDWRITE_32 0x04
142 #define XPWRITE_32 0x06
143 #define XDWRITEREAD_32 0x07
145 #define VERIFY_32 0x0a
146 #define WRITE_32 0x0b
147 #define WRITE_SAME_32 0x0d
149 #define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f)
150 #define SERVICE_ACTION32(cdb) ((cdb[8] << 8) | cdb[9])
153 scsi_trace_misc(struct trace_seq *, unsigned char *, int);
156 scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
158 const char *ret = p->buffer + p->len;
159 sector_t lba = 0, txlen = 0;
161 lba |= ((cdb[1] & 0x1F) << 16);
162 lba |= (cdb[2] << 8);
166 trace_seq_printf(p, "lba=%llu txlen=%llu",
167 (unsigned long long)lba, (unsigned long long)txlen);
168 trace_seq_putc(p, 0);
173 scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
175 const char *ret = p->buffer + p->len;
176 sector_t lba = 0, txlen = 0;
178 lba |= (cdb[2] << 24);
179 lba |= (cdb[3] << 16);
180 lba |= (cdb[4] << 8);
182 txlen |= (cdb[7] << 8);
185 trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
186 (unsigned long long)lba, (unsigned long long)txlen,
189 if (cdb[0] == WRITE_SAME)
190 trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1);
192 trace_seq_putc(p, 0);
197 scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len)
199 const char *ret = p->buffer + p->len;
200 sector_t lba = 0, txlen = 0;
202 lba |= (cdb[2] << 24);
203 lba |= (cdb[3] << 16);
204 lba |= (cdb[4] << 8);
206 txlen |= (cdb[6] << 24);
207 txlen |= (cdb[7] << 16);
208 txlen |= (cdb[8] << 8);
211 trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
212 (unsigned long long)lba, (unsigned long long)txlen,
214 trace_seq_putc(p, 0);
219 scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
221 const char *ret = p->buffer + p->len;
222 sector_t lba = 0, txlen = 0;
224 lba |= ((u64)cdb[2] << 56);
225 lba |= ((u64)cdb[3] << 48);
226 lba |= ((u64)cdb[4] << 40);
227 lba |= ((u64)cdb[5] << 32);
228 lba |= (cdb[6] << 24);
229 lba |= (cdb[7] << 16);
230 lba |= (cdb[8] << 8);
232 txlen |= (cdb[10] << 24);
233 txlen |= (cdb[11] << 16);
234 txlen |= (cdb[12] << 8);
237 trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
238 (unsigned long long)lba, (unsigned long long)txlen,
241 if (cdb[0] == WRITE_SAME_16)
242 trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1);
244 trace_seq_putc(p, 0);
249 scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
251 const char *ret = p->buffer + p->len, *cmd;
252 sector_t lba = 0, txlen = 0;
255 switch (SERVICE_ACTION32(cdb)) {
269 trace_seq_printf(p, "UNKNOWN");
273 lba |= ((u64)cdb[12] << 56);
274 lba |= ((u64)cdb[13] << 48);
275 lba |= ((u64)cdb[14] << 40);
276 lba |= ((u64)cdb[15] << 32);
277 lba |= (cdb[16] << 24);
278 lba |= (cdb[17] << 16);
279 lba |= (cdb[18] << 8);
281 ei_lbrt |= (cdb[20] << 24);
282 ei_lbrt |= (cdb[21] << 16);
283 ei_lbrt |= (cdb[22] << 8);
285 txlen |= (cdb[28] << 24);
286 txlen |= (cdb[29] << 16);
287 txlen |= (cdb[30] << 8);
290 trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu protect=%u ei_lbrt=%u",
291 cmd, (unsigned long long)lba,
292 (unsigned long long)txlen, cdb[10] >> 5, ei_lbrt);
294 if (SERVICE_ACTION32(cdb) == WRITE_SAME_32)
295 trace_seq_printf(p, " unmap=%u", cdb[10] >> 3 & 1);
298 trace_seq_putc(p, 0);
303 scsi_trace_unmap(struct trace_seq *p, unsigned char *cdb, int len)
305 const char *ret = p->buffer + p->len;
306 unsigned int regions = cdb[7] << 8 | cdb[8];
308 trace_seq_printf(p, "regions=%u", (regions - 8) / 16);
309 trace_seq_putc(p, 0);
314 scsi_trace_service_action_in(struct trace_seq *p, unsigned char *cdb, int len)
316 const char *ret = p->buffer + p->len, *cmd;
320 switch (SERVICE_ACTION16(cdb)) {
321 case SAI_READ_CAPACITY_16:
322 cmd = "READ_CAPACITY_16";
324 case SAI_GET_LBA_STATUS:
325 cmd = "GET_LBA_STATUS";
328 trace_seq_printf(p, "UNKNOWN");
332 lba |= ((u64)cdb[2] << 56);
333 lba |= ((u64)cdb[3] << 48);
334 lba |= ((u64)cdb[4] << 40);
335 lba |= ((u64)cdb[5] << 32);
336 lba |= (cdb[6] << 24);
337 lba |= (cdb[7] << 16);
338 lba |= (cdb[8] << 8);
340 alloc_len |= (cdb[10] << 24);
341 alloc_len |= (cdb[11] << 16);
342 alloc_len |= (cdb[12] << 8);
343 alloc_len |= cdb[13];
345 trace_seq_printf(p, "%s lba=%llu alloc_len=%u", cmd,
346 (unsigned long long)lba, alloc_len);
349 trace_seq_putc(p, 0);
354 scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
356 switch (SERVICE_ACTION32(cdb)) {
361 return scsi_trace_rw32(p, cdb, len);
363 return scsi_trace_misc(p, cdb, len);
368 scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len)
370 const char *ret = p->buffer + p->len;
372 trace_seq_printf(p, "-");
373 trace_seq_putc(p, 0);
378 scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
383 return scsi_trace_rw6(p, cdb, len);
388 return scsi_trace_rw10(p, cdb, len);
392 return scsi_trace_rw12(p, cdb, len);
397 return scsi_trace_rw16(p, cdb, len);
399 return scsi_trace_unmap(p, cdb, len);
400 case SERVICE_ACTION_IN_16:
401 return scsi_trace_service_action_in(p, cdb, len);
402 case VARIABLE_LENGTH_CMD:
403 return scsi_trace_varlen(p, cdb, len);
405 return scsi_trace_misc(p, cdb, len);
409 unsigned long long process_scsi_trace_parse_cdb(struct trace_seq *s,
410 unsigned long long *args)
412 scsi_trace_parse_cdb(s, (unsigned char *) (unsigned long) args[1], args[2]);
416 int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
418 tep_register_print_function(pevent,
419 process_scsi_trace_parse_cdb,
421 "scsi_trace_parse_cdb",
429 void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent)
431 tep_unregister_print_function(pevent, process_scsi_trace_parse_cdb,
432 "scsi_trace_parse_cdb");