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);