1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2010 FUJITSU LIMITED
4 * Copyright (C) 2010 Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
6 #include <linux/kernel.h>
7 #include <linux/trace_seq.h>
8 #include <asm/unaligned.h>
9 #include <trace/events/scsi.h>
11 #define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f)
12 #define SERVICE_ACTION32(cdb) ((cdb[8] << 8) | cdb[9])
15 scsi_trace_misc(struct trace_seq
*, unsigned char *, int);
18 scsi_trace_rw6(struct trace_seq
*p
, unsigned char *cdb
, int len
)
20 const char *ret
= trace_seq_buffer_ptr(p
);
21 sector_t lba
= 0, txlen
= 0;
23 lba
|= ((cdb
[1] & 0x1F) << 16);
28 trace_seq_printf(p
, "lba=%llu txlen=%llu",
29 (unsigned long long)lba
, (unsigned long long)txlen
);
36 scsi_trace_rw10(struct trace_seq
*p
, unsigned char *cdb
, int len
)
38 const char *ret
= trace_seq_buffer_ptr(p
);
39 sector_t lba
= 0, txlen
= 0;
41 lba
|= (cdb
[2] << 24);
42 lba
|= (cdb
[3] << 16);
45 txlen
|= (cdb
[7] << 8);
48 trace_seq_printf(p
, "lba=%llu txlen=%llu protect=%u",
49 (unsigned long long)lba
, (unsigned long long)txlen
,
52 if (cdb
[0] == WRITE_SAME
)
53 trace_seq_printf(p
, " unmap=%u", cdb
[1] >> 3 & 1);
61 scsi_trace_rw12(struct trace_seq
*p
, unsigned char *cdb
, int len
)
63 const char *ret
= trace_seq_buffer_ptr(p
);
64 sector_t lba
= 0, txlen
= 0;
66 lba
|= (cdb
[2] << 24);
67 lba
|= (cdb
[3] << 16);
70 txlen
|= (cdb
[6] << 24);
71 txlen
|= (cdb
[7] << 16);
72 txlen
|= (cdb
[8] << 8);
75 trace_seq_printf(p
, "lba=%llu txlen=%llu protect=%u",
76 (unsigned long long)lba
, (unsigned long long)txlen
,
84 scsi_trace_rw16(struct trace_seq
*p
, unsigned char *cdb
, int len
)
86 const char *ret
= trace_seq_buffer_ptr(p
);
87 sector_t lba
= 0, txlen
= 0;
89 lba
|= ((u64
)cdb
[2] << 56);
90 lba
|= ((u64
)cdb
[3] << 48);
91 lba
|= ((u64
)cdb
[4] << 40);
92 lba
|= ((u64
)cdb
[5] << 32);
93 lba
|= (cdb
[6] << 24);
94 lba
|= (cdb
[7] << 16);
97 txlen
|= (cdb
[10] << 24);
98 txlen
|= (cdb
[11] << 16);
99 txlen
|= (cdb
[12] << 8);
102 trace_seq_printf(p
, "lba=%llu txlen=%llu protect=%u",
103 (unsigned long long)lba
, (unsigned long long)txlen
,
106 if (cdb
[0] == WRITE_SAME_16
)
107 trace_seq_printf(p
, " unmap=%u", cdb
[1] >> 3 & 1);
109 trace_seq_putc(p
, 0);
115 scsi_trace_rw32(struct trace_seq
*p
, unsigned char *cdb
, int len
)
117 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
118 sector_t lba
= 0, txlen
= 0;
121 switch (SERVICE_ACTION32(cdb
)) {
135 trace_seq_puts(p
, "UNKNOWN");
139 lba
|= ((u64
)cdb
[12] << 56);
140 lba
|= ((u64
)cdb
[13] << 48);
141 lba
|= ((u64
)cdb
[14] << 40);
142 lba
|= ((u64
)cdb
[15] << 32);
143 lba
|= (cdb
[16] << 24);
144 lba
|= (cdb
[17] << 16);
145 lba
|= (cdb
[18] << 8);
147 ei_lbrt
|= (cdb
[20] << 24);
148 ei_lbrt
|= (cdb
[21] << 16);
149 ei_lbrt
|= (cdb
[22] << 8);
151 txlen
|= (cdb
[28] << 24);
152 txlen
|= (cdb
[29] << 16);
153 txlen
|= (cdb
[30] << 8);
156 trace_seq_printf(p
, "%s_32 lba=%llu txlen=%llu protect=%u ei_lbrt=%u",
157 cmd
, (unsigned long long)lba
,
158 (unsigned long long)txlen
, cdb
[10] >> 5, ei_lbrt
);
160 if (SERVICE_ACTION32(cdb
) == WRITE_SAME_32
)
161 trace_seq_printf(p
, " unmap=%u", cdb
[10] >> 3 & 1);
164 trace_seq_putc(p
, 0);
170 scsi_trace_unmap(struct trace_seq
*p
, unsigned char *cdb
, int len
)
172 const char *ret
= trace_seq_buffer_ptr(p
);
173 unsigned int regions
= cdb
[7] << 8 | cdb
[8];
175 trace_seq_printf(p
, "regions=%u", (regions
- 8) / 16);
176 trace_seq_putc(p
, 0);
182 scsi_trace_service_action_in(struct trace_seq
*p
, unsigned char *cdb
, int len
)
184 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
188 switch (SERVICE_ACTION16(cdb
)) {
189 case SAI_READ_CAPACITY_16
:
190 cmd
= "READ_CAPACITY_16";
192 case SAI_GET_LBA_STATUS
:
193 cmd
= "GET_LBA_STATUS";
196 trace_seq_puts(p
, "UNKNOWN");
200 lba
|= ((u64
)cdb
[2] << 56);
201 lba
|= ((u64
)cdb
[3] << 48);
202 lba
|= ((u64
)cdb
[4] << 40);
203 lba
|= ((u64
)cdb
[5] << 32);
204 lba
|= (cdb
[6] << 24);
205 lba
|= (cdb
[7] << 16);
206 lba
|= (cdb
[8] << 8);
208 alloc_len
|= (cdb
[10] << 24);
209 alloc_len
|= (cdb
[11] << 16);
210 alloc_len
|= (cdb
[12] << 8);
211 alloc_len
|= cdb
[13];
213 trace_seq_printf(p
, "%s lba=%llu alloc_len=%u", cmd
,
214 (unsigned long long)lba
, alloc_len
);
217 trace_seq_putc(p
, 0);
223 scsi_trace_maintenance_in(struct trace_seq
*p
, unsigned char *cdb
, int len
)
225 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
228 switch (SERVICE_ACTION16(cdb
)) {
229 case MI_REPORT_IDENTIFYING_INFORMATION
:
230 cmd
= "REPORT_IDENTIFYING_INFORMATION";
232 case MI_REPORT_TARGET_PGS
:
233 cmd
= "REPORT_TARGET_PORT_GROUPS";
235 case MI_REPORT_ALIASES
:
236 cmd
= "REPORT_ALIASES";
238 case MI_REPORT_SUPPORTED_OPERATION_CODES
:
239 cmd
= "REPORT_SUPPORTED_OPERATION_CODES";
241 case MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS
:
242 cmd
= "REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS";
244 case MI_REPORT_PRIORITY
:
245 cmd
= "REPORT_PRIORITY";
247 case MI_REPORT_TIMESTAMP
:
248 cmd
= "REPORT_TIMESTAMP";
250 case MI_MANAGEMENT_PROTOCOL_IN
:
251 cmd
= "MANAGEMENT_PROTOCOL_IN";
254 trace_seq_puts(p
, "UNKNOWN");
258 alloc_len
= get_unaligned_be32(&cdb
[6]);
260 trace_seq_printf(p
, "%s alloc_len=%u", cmd
, alloc_len
);
263 trace_seq_putc(p
, 0);
269 scsi_trace_maintenance_out(struct trace_seq
*p
, unsigned char *cdb
, int len
)
271 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
274 switch (SERVICE_ACTION16(cdb
)) {
275 case MO_SET_IDENTIFYING_INFORMATION
:
276 cmd
= "SET_IDENTIFYING_INFORMATION";
278 case MO_SET_TARGET_PGS
:
279 cmd
= "SET_TARGET_PORT_GROUPS";
281 case MO_CHANGE_ALIASES
:
282 cmd
= "CHANGE_ALIASES";
284 case MO_SET_PRIORITY
:
285 cmd
= "SET_PRIORITY";
287 case MO_SET_TIMESTAMP
:
288 cmd
= "SET_TIMESTAMP";
290 case MO_MANAGEMENT_PROTOCOL_OUT
:
291 cmd
= "MANAGEMENT_PROTOCOL_OUT";
294 trace_seq_puts(p
, "UNKNOWN");
298 alloc_len
= get_unaligned_be32(&cdb
[6]);
300 trace_seq_printf(p
, "%s alloc_len=%u", cmd
, alloc_len
);
303 trace_seq_putc(p
, 0);
309 scsi_trace_zbc_in(struct trace_seq
*p
, unsigned char *cdb
, int len
)
311 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
316 switch (SERVICE_ACTION16(cdb
)) {
317 case ZI_REPORT_ZONES
:
318 cmd
= "REPORT_ZONES";
321 trace_seq_puts(p
, "UNKNOWN");
325 zone_id
= get_unaligned_be64(&cdb
[2]);
326 alloc_len
= get_unaligned_be32(&cdb
[10]);
327 options
= cdb
[14] & 0x3f;
329 trace_seq_printf(p
, "%s zone=%llu alloc_len=%u options=%u partial=%u",
330 cmd
, (unsigned long long)zone_id
, alloc_len
,
331 options
, (cdb
[14] >> 7) & 1);
334 trace_seq_putc(p
, 0);
340 scsi_trace_zbc_out(struct trace_seq
*p
, unsigned char *cdb
, int len
)
342 const char *ret
= trace_seq_buffer_ptr(p
), *cmd
;
345 switch (SERVICE_ACTION16(cdb
)) {
355 case ZO_RESET_WRITE_POINTER
:
356 cmd
= "RESET_WRITE_POINTER";
359 trace_seq_puts(p
, "UNKNOWN");
363 zone_id
= get_unaligned_be64(&cdb
[2]);
365 trace_seq_printf(p
, "%s zone=%llu all=%u", cmd
,
366 (unsigned long long)zone_id
, cdb
[14] & 1);
369 trace_seq_putc(p
, 0);
375 scsi_trace_varlen(struct trace_seq
*p
, unsigned char *cdb
, int len
)
377 switch (SERVICE_ACTION32(cdb
)) {
382 return scsi_trace_rw32(p
, cdb
, len
);
384 return scsi_trace_misc(p
, cdb
, len
);
389 scsi_trace_misc(struct trace_seq
*p
, unsigned char *cdb
, int len
)
391 const char *ret
= trace_seq_buffer_ptr(p
);
393 trace_seq_putc(p
, '-');
394 trace_seq_putc(p
, 0);
400 scsi_trace_parse_cdb(struct trace_seq
*p
, unsigned char *cdb
, int len
)
405 return scsi_trace_rw6(p
, cdb
, len
);
410 return scsi_trace_rw10(p
, cdb
, len
);
414 return scsi_trace_rw12(p
, cdb
, len
);
419 return scsi_trace_rw16(p
, cdb
, len
);
421 return scsi_trace_unmap(p
, cdb
, len
);
422 case SERVICE_ACTION_IN_16
:
423 return scsi_trace_service_action_in(p
, cdb
, len
);
424 case VARIABLE_LENGTH_CMD
:
425 return scsi_trace_varlen(p
, cdb
, len
);
427 return scsi_trace_maintenance_in(p
, cdb
, len
);
428 case MAINTENANCE_OUT
:
429 return scsi_trace_maintenance_out(p
, cdb
, len
);
431 return scsi_trace_zbc_in(p
, cdb
, len
);
433 return scsi_trace_zbc_out(p
, cdb
, len
);
435 return scsi_trace_misc(p
, cdb
, len
);