2 * This file is part of the zfcp device driver for
3 * FCP adapters for IBM System z9 and zSeries.
5 * (C) Copyright IBM Corp. 2002, 2006
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/ctype.h>
23 #include <asm/debug.h>
26 static u32 dbfsize = 4;
28 module_param(dbfsize, uint, 0400);
29 MODULE_PARM_DESC(dbfsize,
30 "number of pages for each debug feature area (default 4)");
32 #define ZFCP_LOG_AREA ZFCP_LOG_AREA_OTHER
34 static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
35 int level, char *from, int from_len)
38 struct zfcp_dbf_dump *dump = to;
39 int room = to_len - sizeof(*dump);
41 for (offset = 0; offset < from_len; offset += dump->size) {
42 memset(to, 0, to_len);
43 strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
44 dump->total_size = from_len;
45 dump->offset = offset;
46 dump->size = min(from_len - offset, room);
47 memcpy(dump->data, from + offset, dump->size);
48 debug_event(dbf, level, dump, dump->size);
53 zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck)
55 unsigned long long sec;
56 struct timespec dbftime;
59 stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
63 stck -= (sec * 1000000) << 12;
64 dbftime.tv_nsec = ((stck * 1000) >> 12);
65 len += sprintf(out_buf + len, "%-24s%011lu:%06lu\n",
66 label, dbftime.tv_sec, dbftime.tv_nsec);
71 static int zfcp_dbf_tag(char *out_buf, const char *label, const char *tag)
75 len += sprintf(out_buf + len, "%-24s", label);
76 for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++)
77 len += sprintf(out_buf + len, "%c", tag[i]);
78 len += sprintf(out_buf + len, "\n");
84 zfcp_dbf_view(char *out_buf, const char *label, const char *format, ...)
89 len += sprintf(out_buf + len, "%-24s", label);
90 va_start(arg, format);
91 len += vsprintf(out_buf + len, format, arg);
93 len += sprintf(out_buf + len, "\n");
98 static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2)
100 *buf += sprintf(*buf, "%-24s%s\n", s1, s2);
103 static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...)
107 *buf += sprintf(*buf, "%-24s", s);
108 va_start(arg, format);
109 *buf += vsprintf(*buf, format, arg);
111 *buf += sprintf(*buf, "\n");
115 zfcp_dbf_view_dump(char *out_buf, const char *label,
116 char *buffer, int buflen, int offset, int total_size)
121 len += sprintf(out_buf + len, "%-24s ", label);
125 if ((offset % 32) == 0)
126 len += sprintf(out_buf + len, "\n%-24c ", ' ');
127 else if ((offset % 4) == 0)
128 len += sprintf(out_buf + len, " ");
130 len += sprintf(out_buf + len, "%02x", *buffer++);
131 if (++offset == total_size) {
132 len += sprintf(out_buf + len, "\n");
138 len += sprintf(out_buf + len, "\n");
144 zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area,
145 debug_entry_t * entry, char *out_buf)
147 struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry);
150 if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) {
151 len += zfcp_dbf_stck(out_buf + len, "timestamp",
153 len += zfcp_dbf_view(out_buf + len, "cpu", "%02i",
154 entry->id.fields.cpuid);
156 len += zfcp_dbf_view_dump(out_buf + len, NULL,
159 dump->offset, dump->total_size);
160 if ((dump->offset + dump->size) == dump->total_size)
161 len += sprintf(out_buf + len, "\n");
167 void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
169 struct zfcp_adapter *adapter = fsf_req->adapter;
170 struct fsf_qtcb *qtcb = fsf_req->qtcb;
171 union fsf_prot_status_qual *prot_status_qual =
172 &qtcb->prefix.prot_status_qual;
173 union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual;
174 struct scsi_cmnd *scsi_cmnd;
175 struct zfcp_port *port;
176 struct zfcp_unit *unit;
177 struct zfcp_send_els *send_els;
178 struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
179 struct zfcp_hba_dbf_record_response *response = &rec->type.response;
183 spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
184 memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
185 strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
187 if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
188 (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
189 strncpy(rec->tag2, "perr", ZFCP_DBF_TAG_SIZE);
191 } else if (qtcb->header.fsf_status != FSF_GOOD) {
192 strncpy(rec->tag2, "ferr", ZFCP_DBF_TAG_SIZE);
194 } else if ((fsf_req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
195 (fsf_req->fsf_command == FSF_QTCB_OPEN_LUN)) {
196 strncpy(rec->tag2, "open", ZFCP_DBF_TAG_SIZE);
198 } else if (qtcb->header.log_length) {
199 strncpy(rec->tag2, "qtcb", ZFCP_DBF_TAG_SIZE);
202 strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE);
206 response->fsf_command = fsf_req->fsf_command;
207 response->fsf_reqid = (unsigned long)fsf_req;
208 response->fsf_seqno = fsf_req->seq_no;
209 response->fsf_issued = fsf_req->issued;
210 response->fsf_prot_status = qtcb->prefix.prot_status;
211 response->fsf_status = qtcb->header.fsf_status;
212 memcpy(response->fsf_prot_status_qual,
213 prot_status_qual, FSF_PROT_STATUS_QUAL_SIZE);
214 memcpy(response->fsf_status_qual,
215 fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
216 response->fsf_req_status = fsf_req->status;
217 response->sbal_first = fsf_req->sbal_first;
218 response->sbal_curr = fsf_req->sbal_curr;
219 response->sbal_last = fsf_req->sbal_last;
220 response->pool = fsf_req->pool != NULL;
221 response->erp_action = (unsigned long)fsf_req->erp_action;
223 switch (fsf_req->fsf_command) {
224 case FSF_QTCB_FCP_CMND:
225 if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
227 scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
228 if (scsi_cmnd != NULL) {
229 response->data.send_fcp.scsi_cmnd
230 = (unsigned long)scsi_cmnd;
231 response->data.send_fcp.scsi_serial
232 = scsi_cmnd->serial_number;
236 case FSF_QTCB_OPEN_PORT_WITH_DID:
237 case FSF_QTCB_CLOSE_PORT:
238 case FSF_QTCB_CLOSE_PHYSICAL_PORT:
239 port = (struct zfcp_port *)fsf_req->data;
240 response->data.port.wwpn = port->wwpn;
241 response->data.port.d_id = port->d_id;
242 response->data.port.port_handle = qtcb->header.port_handle;
245 case FSF_QTCB_OPEN_LUN:
246 case FSF_QTCB_CLOSE_LUN:
247 unit = (struct zfcp_unit *)fsf_req->data;
249 response->data.unit.wwpn = port->wwpn;
250 response->data.unit.fcp_lun = unit->fcp_lun;
251 response->data.unit.port_handle = qtcb->header.port_handle;
252 response->data.unit.lun_handle = qtcb->header.lun_handle;
255 case FSF_QTCB_SEND_ELS:
256 send_els = (struct zfcp_send_els *)fsf_req->data;
257 response->data.send_els.d_id = qtcb->bottom.support.d_id;
258 response->data.send_els.ls_code = send_els->ls_code >> 24;
261 case FSF_QTCB_ABORT_FCP_CMND:
262 case FSF_QTCB_SEND_GENERIC:
263 case FSF_QTCB_EXCHANGE_CONFIG_DATA:
264 case FSF_QTCB_EXCHANGE_PORT_DATA:
265 case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
266 case FSF_QTCB_UPLOAD_CONTROL_FILE:
270 debug_event(adapter->hba_dbf, level,
271 rec, sizeof(struct zfcp_hba_dbf_record));
273 /* have fcp channel microcode fixed to use as little as possible */
274 if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) {
275 /* adjust length skipping trailing zeros */
276 char *buf = (char *)qtcb + qtcb->header.log_start;
277 int len = qtcb->header.log_length;
278 for (; len && !buf[len - 1]; len--);
279 zfcp_dbf_hexdump(adapter->hba_dbf, rec, sizeof(*rec), level,
283 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
287 zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
288 struct fsf_status_read_buffer *status_buffer)
290 struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
293 spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
294 memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
295 strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
296 strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
298 rec->type.status.failed = adapter->status_read_failed;
299 if (status_buffer != NULL) {
300 rec->type.status.status_type = status_buffer->status_type;
301 rec->type.status.status_subtype = status_buffer->status_subtype;
302 memcpy(&rec->type.status.queue_designator,
303 &status_buffer->queue_designator,
304 sizeof(struct fsf_queue_designator));
306 switch (status_buffer->status_type) {
307 case FSF_STATUS_READ_SENSE_DATA_AVAIL:
308 rec->type.status.payload_size =
309 ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL;
312 case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
313 rec->type.status.payload_size =
314 ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD;
317 case FSF_STATUS_READ_LINK_DOWN:
318 switch (status_buffer->status_subtype) {
319 case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
320 case FSF_STATUS_READ_SUB_FDISC_FAILED:
321 rec->type.status.payload_size =
322 sizeof(struct fsf_link_down_info);
326 case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
327 rec->type.status.payload_size =
328 ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT;
331 memcpy(&rec->type.status.payload,
332 &status_buffer->payload, rec->type.status.payload_size);
335 debug_event(adapter->hba_dbf, 2,
336 rec, sizeof(struct zfcp_hba_dbf_record));
337 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
341 zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
342 unsigned int qdio_error, unsigned int siga_error,
343 int sbal_index, int sbal_count)
345 struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
348 spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
349 memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
350 strncpy(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE);
351 rec->type.qdio.status = status;
352 rec->type.qdio.qdio_error = qdio_error;
353 rec->type.qdio.siga_error = siga_error;
354 rec->type.qdio.sbal_index = sbal_index;
355 rec->type.qdio.sbal_count = sbal_count;
356 debug_event(adapter->hba_dbf, 0,
357 rec, sizeof(struct zfcp_hba_dbf_record));
358 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
362 zfcp_hba_dbf_view_response(char *out_buf,
363 struct zfcp_hba_dbf_record_response *rec)
367 len += zfcp_dbf_view(out_buf + len, "fsf_command", "0x%08x",
369 len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
371 len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
373 len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
374 len += zfcp_dbf_view(out_buf + len, "fsf_prot_status", "0x%08x",
375 rec->fsf_prot_status);
376 len += zfcp_dbf_view(out_buf + len, "fsf_status", "0x%08x",
378 len += zfcp_dbf_view_dump(out_buf + len, "fsf_prot_status_qual",
379 rec->fsf_prot_status_qual,
380 FSF_PROT_STATUS_QUAL_SIZE,
381 0, FSF_PROT_STATUS_QUAL_SIZE);
382 len += zfcp_dbf_view_dump(out_buf + len, "fsf_status_qual",
383 rec->fsf_status_qual,
384 FSF_STATUS_QUALIFIER_SIZE,
385 0, FSF_STATUS_QUALIFIER_SIZE);
386 len += zfcp_dbf_view(out_buf + len, "fsf_req_status", "0x%08x",
387 rec->fsf_req_status);
388 len += zfcp_dbf_view(out_buf + len, "sbal_first", "0x%02x",
390 len += zfcp_dbf_view(out_buf + len, "sbal_curr", "0x%02x",
392 len += zfcp_dbf_view(out_buf + len, "sbal_last", "0x%02x",
394 len += zfcp_dbf_view(out_buf + len, "pool", "0x%02x", rec->pool);
396 switch (rec->fsf_command) {
397 case FSF_QTCB_FCP_CMND:
398 if (rec->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
400 len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
401 rec->data.send_fcp.scsi_cmnd);
402 len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
403 rec->data.send_fcp.scsi_serial);
406 case FSF_QTCB_OPEN_PORT_WITH_DID:
407 case FSF_QTCB_CLOSE_PORT:
408 case FSF_QTCB_CLOSE_PHYSICAL_PORT:
409 len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
410 rec->data.port.wwpn);
411 len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
412 rec->data.port.d_id);
413 len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
414 rec->data.port.port_handle);
417 case FSF_QTCB_OPEN_LUN:
418 case FSF_QTCB_CLOSE_LUN:
419 len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
420 rec->data.unit.wwpn);
421 len += zfcp_dbf_view(out_buf + len, "fcp_lun", "0x%016Lx",
422 rec->data.unit.fcp_lun);
423 len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
424 rec->data.unit.port_handle);
425 len += zfcp_dbf_view(out_buf + len, "lun_handle", "0x%08x",
426 rec->data.unit.lun_handle);
429 case FSF_QTCB_SEND_ELS:
430 len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
431 rec->data.send_els.d_id);
432 len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
433 rec->data.send_els.ls_code);
436 case FSF_QTCB_ABORT_FCP_CMND:
437 case FSF_QTCB_SEND_GENERIC:
438 case FSF_QTCB_EXCHANGE_CONFIG_DATA:
439 case FSF_QTCB_EXCHANGE_PORT_DATA:
440 case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
441 case FSF_QTCB_UPLOAD_CONTROL_FILE:
449 zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec)
453 len += zfcp_dbf_view(out_buf + len, "failed", "0x%02x", rec->failed);
454 len += zfcp_dbf_view(out_buf + len, "status_type", "0x%08x",
456 len += zfcp_dbf_view(out_buf + len, "status_subtype", "0x%08x",
457 rec->status_subtype);
458 len += zfcp_dbf_view_dump(out_buf + len, "queue_designator",
459 (char *)&rec->queue_designator,
460 sizeof(struct fsf_queue_designator),
461 0, sizeof(struct fsf_queue_designator));
462 len += zfcp_dbf_view_dump(out_buf + len, "payload",
463 (char *)&rec->payload,
464 rec->payload_size, 0, rec->payload_size);
470 zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec)
474 len += zfcp_dbf_view(out_buf + len, "status", "0x%08x", rec->status);
475 len += zfcp_dbf_view(out_buf + len, "qdio_error", "0x%08x",
477 len += zfcp_dbf_view(out_buf + len, "siga_error", "0x%08x",
479 len += zfcp_dbf_view(out_buf + len, "sbal_index", "0x%02x",
481 len += zfcp_dbf_view(out_buf + len, "sbal_count", "0x%02x",
488 zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view,
489 char *out_buf, const char *in_buf)
491 struct zfcp_hba_dbf_record *rec = (struct zfcp_hba_dbf_record *)in_buf;
494 if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
497 len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
498 if (isalpha(rec->tag2[0]))
499 len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
500 if (strncmp(rec->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
501 len += zfcp_hba_dbf_view_response(out_buf + len,
502 &rec->type.response);
503 else if (strncmp(rec->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
504 len += zfcp_hba_dbf_view_status(out_buf + len,
506 else if (strncmp(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
507 len += zfcp_hba_dbf_view_qdio(out_buf + len, &rec->type.qdio);
509 len += sprintf(out_buf + len, "\n");
514 static struct debug_view zfcp_hba_dbf_view = {
517 &zfcp_dbf_view_header,
518 &zfcp_hba_dbf_view_format,
523 static const char *zfcp_rec_dbf_tags[] = {
524 [ZFCP_REC_DBF_ID_THREAD] = "thread",
525 [ZFCP_REC_DBF_ID_TARGET] = "target",
526 [ZFCP_REC_DBF_ID_TRIGGER] = "trigger",
527 [ZFCP_REC_DBF_ID_ACTION] = "action",
530 static const char *zfcp_rec_dbf_ids[] = {
536 [6] = "down sleep ecd",
537 [7] = "down wakeup ecd",
538 [8] = "down sleep epd",
539 [9] = "down wakeup epd",
541 [11] = "operational",
542 [12] = "scsi slave destroy",
543 [13] = "propagate failed adapter",
544 [14] = "propagate failed port",
545 [15] = "block adapter",
546 [16] = "unblock adapter",
548 [18] = "unblock port",
550 [20] = "unblock unit",
551 [21] = "unit recovery failed",
552 [22] = "port recovery failed",
553 [23] = "adapter recovery failed",
554 [24] = "qdio queues down",
556 [26] = "nameserver lookup failed",
557 [27] = "nameserver port failed",
560 [30] = "link up status read",
561 [31] = "open port failed",
562 [32] = "open port failed",
564 [34] = "open unit failed",
565 [35] = "exclusive open unit failed",
566 [36] = "shared open unit failed",
568 [38] = "link down status read no link",
569 [39] = "link down status read fdisc login",
570 [40] = "link down status read firmware update",
571 [41] = "link down status read unknown reason",
572 [42] = "link down ecd incomplete",
573 [43] = "link down epd incomplete",
574 [44] = "sysfs adapter recovery",
575 [45] = "sysfs port recovery",
576 [46] = "sysfs unit recovery",
577 [47] = "port boxed abort",
578 [48] = "unit boxed abort",
579 [49] = "port boxed ct",
580 [50] = "port boxed close physical",
581 [51] = "port boxed open unit",
582 [52] = "port boxed close unit",
583 [53] = "port boxed fcp",
584 [54] = "unit boxed fcp",
585 [55] = "port access denied ct",
586 [56] = "port access denied els",
587 [57] = "port access denied open port",
588 [58] = "port access denied close physical",
589 [59] = "unit access denied open unit",
590 [60] = "shared unit access denied open unit",
591 [61] = "unit access denied fcp",
592 [62] = "request timeout",
593 [63] = "adisc link test reject or timeout",
594 [64] = "adisc link test d_id changed",
595 [65] = "adisc link test failed",
596 [66] = "recovery out of memory",
597 [67] = "adapter recovery repeated after state change",
598 [68] = "port recovery repeated after state change",
599 [69] = "unit recovery repeated after state change",
600 [70] = "port recovery follow-up after successful adapter recovery",
601 [71] = "adapter recovery escalation after failed adapter recovery",
602 [72] = "port recovery follow-up after successful physical port "
604 [73] = "adapter recovery escalation after failed physical port "
606 [74] = "unit recovery follow-up after successful port recovery",
607 [75] = "physical port recovery escalation after failed port "
609 [76] = "port recovery escalation after failed unit recovery",
610 [77] = "recovery opening nameserver port",
611 [78] = "duplicate request id",
613 [80] = "exclusive read-only unit access unsupported",
614 [81] = "shared read-write unit access unsupported",
615 [82] = "incoming rscn",
616 [83] = "incoming plogi",
617 [84] = "incoming logo",
620 [87] = "ccw device gone",
621 [88] = "ccw device no path",
622 [89] = "ccw device operational",
623 [90] = "ccw device shutdown",
624 [91] = "sysfs port addition",
625 [92] = "sysfs port removal",
626 [93] = "sysfs adapter recovery",
627 [94] = "sysfs unit addition",
628 [95] = "sysfs unit removal",
629 [96] = "sysfs port recovery",
630 [97] = "sysfs unit recovery",
631 [98] = "sequence number mismatch",
633 [100] = "error state",
634 [101] = "status read physical port closed",
635 [102] = "link up status read",
636 [103] = "too many failed status read buffers",
637 [104] = "port handle not valid abort",
638 [105] = "lun handle not valid abort",
639 [106] = "port handle not valid ct",
640 [107] = "port handle not valid close port",
641 [108] = "port handle not valid close physical port",
642 [109] = "port handle not valid open unit",
643 [110] = "port handle not valid close unit",
644 [111] = "lun handle not valid close unit",
645 [112] = "port handle not valid fcp",
646 [113] = "lun handle not valid fcp",
647 [114] = "handle mismatch fcp",
648 [115] = "lun not valid fcp",
649 [116] = "qdio send failed",
650 [117] = "version mismatch",
651 [118] = "incompatible qtcb type",
652 [119] = "unknown protocol status",
653 [120] = "unknown fsf command",
654 [121] = "no recommendation for status qualifier",
655 [122] = "status read physical port closed in error",
656 [123] = "fc service class not supported ct",
657 [124] = "fc service class not supported els",
658 [125] = "need newer zfcp",
659 [126] = "need newer microcode",
660 [127] = "arbitrated loop not supported",
661 [128] = "unknown topology",
662 [129] = "qtcb size mismatch",
663 [130] = "unknown fsf status ecd",
664 [131] = "fcp request too big",
665 [132] = "fc service class not supported fcp",
666 [133] = "data direction not valid fcp",
667 [134] = "command length not valid fcp",
668 [135] = "status read act update",
669 [136] = "status read cfdc update",
670 [137] = "hbaapi port open",
671 [138] = "hbaapi unit open",
672 [139] = "hbaapi unit shutdown",
673 [140] = "qdio error",
674 [141] = "scsi host reset",
675 [142] = "dismissing fsf request for recovery action",
676 [143] = "recovery action timed out",
677 [144] = "recovery action gone",
678 [145] = "recovery action being processed",
679 [146] = "recovery action ready for next step",
682 static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
683 char *buf, const char *_rec)
685 struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec;
688 zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]);
689 zfcp_dbf_outs(&p, "hint", zfcp_rec_dbf_ids[r->id2]);
690 zfcp_dbf_out(&p, "id", "%d", r->id2);
692 case ZFCP_REC_DBF_ID_THREAD:
693 zfcp_dbf_out(&p, "sema", "%d", r->u.thread.sema);
694 zfcp_dbf_out(&p, "total", "%d", r->u.thread.total);
695 zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready);
696 zfcp_dbf_out(&p, "running", "%d", r->u.thread.running);
698 case ZFCP_REC_DBF_ID_TARGET:
699 zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref);
700 zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status);
701 zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count);
702 zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id);
703 zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn);
704 zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun);
706 case ZFCP_REC_DBF_ID_TRIGGER:
707 zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.trigger.ref);
708 zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.trigger.action);
709 zfcp_dbf_out(&p, "requested", "%d", r->u.trigger.want);
710 zfcp_dbf_out(&p, "executed", "%d", r->u.trigger.need);
711 zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.trigger.wwpn);
712 zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun);
713 zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as);
714 zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps);
715 zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us);
717 case ZFCP_REC_DBF_ID_ACTION:
718 zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action);
719 zfcp_dbf_out(&p, "fsf_req", "0x%016Lx", r->u.action.fsf_req);
720 zfcp_dbf_out(&p, "status", "0x%08Lx", r->u.action.status);
721 zfcp_dbf_out(&p, "step", "0x%08Lx", r->u.action.step);
725 return (p - buf) + 1;
728 static struct debug_view zfcp_rec_dbf_view = {
731 &zfcp_dbf_view_header,
732 &zfcp_rec_dbf_view_format,
738 * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
739 * @id2: identifier for event
741 * @lock: non-zero value indicates that erp_lock has not yet been acquired
743 void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter, int lock)
745 struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
746 unsigned long flags = 0;
747 struct list_head *entry;
748 unsigned ready = 0, running = 0, total;
751 read_lock_irqsave(&adapter->erp_lock, flags);
752 list_for_each(entry, &adapter->erp_ready_head)
754 list_for_each(entry, &adapter->erp_running_head)
756 total = adapter->erp_total_count;
758 read_unlock_irqrestore(&adapter->erp_lock, flags);
760 spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
761 memset(r, 0, sizeof(*r));
762 r->id = ZFCP_REC_DBF_ID_THREAD;
764 r->u.thread.sema = atomic_read(&adapter->erp_ready_sem.count);
765 r->u.thread.total = total;
766 r->u.thread.ready = ready;
767 r->u.thread.running = running;
768 debug_event(adapter->rec_dbf, 5, r, sizeof(*r));
769 spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
772 static void zfcp_rec_dbf_event_target(u8 id2, u64 ref,
773 struct zfcp_adapter *adapter,
774 atomic_t *status, atomic_t *erp_count,
775 u64 wwpn, u32 d_id, u64 fcp_lun)
777 struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
780 spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
781 memset(r, 0, sizeof(*r));
782 r->id = ZFCP_REC_DBF_ID_TARGET;
784 r->u.target.ref = ref;
785 r->u.target.status = atomic_read(status);
786 r->u.target.wwpn = wwpn;
787 r->u.target.d_id = d_id;
788 r->u.target.fcp_lun = fcp_lun;
789 r->u.target.erp_count = atomic_read(erp_count);
790 debug_event(adapter->rec_dbf, 3, r, sizeof(*r));
791 spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
795 * zfcp_rec_dbf_event_adapter - trace event for adapter state change
796 * @id: identifier for trigger of state change
797 * @ref: additional reference (e.g. request)
800 void zfcp_rec_dbf_event_adapter(u8 id, u64 ref, struct zfcp_adapter *adapter)
802 zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
803 &adapter->erp_counter, 0, 0, 0);
807 * zfcp_rec_dbf_event_port - trace event for port state change
808 * @id: identifier for trigger of state change
809 * @ref: additional reference (e.g. request)
812 void zfcp_rec_dbf_event_port(u8 id, u64 ref, struct zfcp_port *port)
814 struct zfcp_adapter *adapter = port->adapter;
816 zfcp_rec_dbf_event_target(id, ref, adapter, &port->status,
817 &port->erp_counter, port->wwpn, port->d_id,
822 * zfcp_rec_dbf_event_unit - trace event for unit state change
823 * @id: identifier for trigger of state change
824 * @ref: additional reference (e.g. request)
827 void zfcp_rec_dbf_event_unit(u8 id, u64 ref, struct zfcp_unit *unit)
829 struct zfcp_port *port = unit->port;
830 struct zfcp_adapter *adapter = port->adapter;
832 zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status,
833 &unit->erp_counter, port->wwpn, port->d_id,
838 * zfcp_rec_dbf_event_trigger - trace event for triggered error recovery
839 * @id2: identifier for error recovery trigger
840 * @ref: additional reference (e.g. request)
841 * @want: originally requested error recovery action
842 * @need: error recovery action actually initiated
843 * @action: address of error recovery action struct
848 void zfcp_rec_dbf_event_trigger(u8 id2, u64 ref, u8 want, u8 need, u64 action,
849 struct zfcp_adapter *adapter,
850 struct zfcp_port *port, struct zfcp_unit *unit)
852 struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
855 spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
856 memset(r, 0, sizeof(*r));
857 r->id = ZFCP_REC_DBF_ID_TRIGGER;
859 r->u.trigger.ref = ref;
860 r->u.trigger.want = want;
861 r->u.trigger.need = need;
862 r->u.trigger.action = action;
863 r->u.trigger.as = atomic_read(&adapter->status);
865 r->u.trigger.ps = atomic_read(&port->status);
866 r->u.trigger.wwpn = port->wwpn;
869 r->u.trigger.us = atomic_read(&unit->status);
870 r->u.trigger.fcp_lun = unit->fcp_lun;
872 debug_event(adapter->rec_dbf, action ? 1 : 4, r, sizeof(*r));
873 spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
877 * zfcp_rec_dbf_event_action - trace event showing progress of recovery action
879 * @erp_action: error recovery action struct pointer
881 void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action)
883 struct zfcp_adapter *adapter = erp_action->adapter;
884 struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
887 spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
888 memset(r, 0, sizeof(*r));
889 r->id = ZFCP_REC_DBF_ID_ACTION;
891 r->u.action.action = (u64)erp_action;
892 r->u.action.status = erp_action->status;
893 r->u.action.step = erp_action->step;
894 r->u.action.fsf_req = (u64)erp_action->fsf_req;
895 debug_event(adapter->rec_dbf, 4, r, sizeof(*r));
896 spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
900 _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
901 u32 s_id, u32 d_id, void *buffer, int buflen)
903 struct zfcp_send_ct *send_ct = (struct zfcp_send_ct *)fsf_req->data;
904 struct zfcp_port *port = send_ct->port;
905 struct zfcp_adapter *adapter = port->adapter;
906 struct ct_hdr *header = (struct ct_hdr *)buffer;
907 struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
908 struct zfcp_san_dbf_record_ct *ct = &rec->type.ct;
911 spin_lock_irqsave(&adapter->san_dbf_lock, flags);
912 memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
913 strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
914 rec->fsf_reqid = (unsigned long)fsf_req;
915 rec->fsf_seqno = fsf_req->seq_no;
918 if (strncmp(tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
919 ct->type.request.cmd_req_code = header->cmd_rsp_code;
920 ct->type.request.revision = header->revision;
921 ct->type.request.gs_type = header->gs_type;
922 ct->type.request.gs_subtype = header->gs_subtype;
923 ct->type.request.options = header->options;
924 ct->type.request.max_res_size = header->max_res_size;
925 } else if (strncmp(tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
926 ct->type.response.cmd_rsp_code = header->cmd_rsp_code;
927 ct->type.response.revision = header->revision;
928 ct->type.response.reason_code = header->reason_code;
929 ct->type.response.reason_code_expl = header->reason_code_expl;
930 ct->type.response.vendor_unique = header->vendor_unique;
933 min(buflen - (int)sizeof(struct ct_hdr), ZFCP_DBF_CT_PAYLOAD);
934 memcpy(ct->payload, buffer + sizeof(struct ct_hdr), ct->payload_size);
935 debug_event(adapter->san_dbf, 3,
936 rec, sizeof(struct zfcp_san_dbf_record));
937 spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
940 void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
942 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
943 struct zfcp_port *port = ct->port;
944 struct zfcp_adapter *adapter = port->adapter;
946 _zfcp_san_dbf_event_common_ct("octc", fsf_req,
947 fc_host_port_id(adapter->scsi_host),
948 port->d_id, zfcp_sg_to_address(ct->req),
952 void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
954 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
955 struct zfcp_port *port = ct->port;
956 struct zfcp_adapter *adapter = port->adapter;
958 _zfcp_san_dbf_event_common_ct("rctc", fsf_req, port->d_id,
959 fc_host_port_id(adapter->scsi_host),
960 zfcp_sg_to_address(ct->resp),
965 _zfcp_san_dbf_event_common_els(const char *tag, int level,
966 struct zfcp_fsf_req *fsf_req, u32 s_id,
967 u32 d_id, u8 ls_code, void *buffer, int buflen)
969 struct zfcp_adapter *adapter = fsf_req->adapter;
970 struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
973 spin_lock_irqsave(&adapter->san_dbf_lock, flags);
974 memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
975 strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
976 rec->fsf_reqid = (unsigned long)fsf_req;
977 rec->fsf_seqno = fsf_req->seq_no;
980 rec->type.els.ls_code = ls_code;
981 debug_event(adapter->san_dbf, level, rec, sizeof(*rec));
982 zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level,
983 buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD));
984 spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
987 void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
989 struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
991 _zfcp_san_dbf_event_common_els("oels", 2, fsf_req,
992 fc_host_port_id(els->adapter->scsi_host),
994 *(u8 *) zfcp_sg_to_address(els->req),
995 zfcp_sg_to_address(els->req),
999 void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
1001 struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
1003 _zfcp_san_dbf_event_common_els("rels", 2, fsf_req, els->d_id,
1004 fc_host_port_id(els->adapter->scsi_host),
1005 *(u8 *) zfcp_sg_to_address(els->req),
1006 zfcp_sg_to_address(els->resp),
1010 void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
1012 struct zfcp_adapter *adapter = fsf_req->adapter;
1013 struct fsf_status_read_buffer *status_buffer =
1014 (struct fsf_status_read_buffer *)fsf_req->data;
1015 int length = (int)status_buffer->length -
1016 (int)((void *)&status_buffer->payload - (void *)status_buffer);
1018 _zfcp_san_dbf_event_common_els("iels", 1, fsf_req, status_buffer->d_id,
1019 fc_host_port_id(adapter->scsi_host),
1020 *(u8 *) status_buffer->payload,
1021 (void *)status_buffer->payload, length);
1025 zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view,
1026 char *out_buf, const char *in_buf)
1028 struct zfcp_san_dbf_record *rec = (struct zfcp_san_dbf_record *)in_buf;
1029 char *buffer = NULL;
1030 int buflen = 0, total = 0;
1033 if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
1036 len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
1037 len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
1039 len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
1041 len += zfcp_dbf_view(out_buf + len, "s_id", "0x%06x", rec->s_id);
1042 len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x", rec->d_id);
1044 if (strncmp(rec->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
1045 len += zfcp_dbf_view(out_buf + len, "cmd_req_code", "0x%04x",
1046 rec->type.ct.type.request.cmd_req_code);
1047 len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
1048 rec->type.ct.type.request.revision);
1049 len += zfcp_dbf_view(out_buf + len, "gs_type", "0x%02x",
1050 rec->type.ct.type.request.gs_type);
1051 len += zfcp_dbf_view(out_buf + len, "gs_subtype", "0x%02x",
1052 rec->type.ct.type.request.gs_subtype);
1053 len += zfcp_dbf_view(out_buf + len, "options", "0x%02x",
1054 rec->type.ct.type.request.options);
1055 len += zfcp_dbf_view(out_buf + len, "max_res_size", "0x%04x",
1056 rec->type.ct.type.request.max_res_size);
1057 total = rec->type.ct.payload_size;
1058 buffer = rec->type.ct.payload;
1059 buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
1060 } else if (strncmp(rec->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
1061 len += zfcp_dbf_view(out_buf + len, "cmd_rsp_code", "0x%04x",
1062 rec->type.ct.type.response.cmd_rsp_code);
1063 len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
1064 rec->type.ct.type.response.revision);
1065 len += zfcp_dbf_view(out_buf + len, "reason_code", "0x%02x",
1066 rec->type.ct.type.response.reason_code);
1068 zfcp_dbf_view(out_buf + len, "reason_code_expl", "0x%02x",
1069 rec->type.ct.type.response.reason_code_expl);
1071 zfcp_dbf_view(out_buf + len, "vendor_unique", "0x%02x",
1072 rec->type.ct.type.response.vendor_unique);
1073 total = rec->type.ct.payload_size;
1074 buffer = rec->type.ct.payload;
1075 buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
1076 } else if (strncmp(rec->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
1077 strncmp(rec->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
1078 strncmp(rec->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
1079 len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
1080 rec->type.els.ls_code);
1081 total = rec->type.els.payload_size;
1082 buffer = rec->type.els.payload;
1083 buflen = min(total, ZFCP_DBF_ELS_PAYLOAD);
1086 len += zfcp_dbf_view_dump(out_buf + len, "payload",
1087 buffer, buflen, 0, total);
1089 if (buflen == total)
1090 len += sprintf(out_buf + len, "\n");
1095 static struct debug_view zfcp_san_dbf_view = {
1098 &zfcp_dbf_view_header,
1099 &zfcp_san_dbf_view_format,
1105 _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
1106 struct zfcp_adapter *adapter,
1107 struct scsi_cmnd *scsi_cmnd,
1108 struct zfcp_fsf_req *fsf_req,
1109 unsigned long old_req_id)
1111 struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf;
1112 struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
1113 unsigned long flags;
1114 struct fcp_rsp_iu *fcp_rsp;
1115 char *fcp_rsp_info = NULL, *fcp_sns_info = NULL;
1116 int offset = 0, buflen = 0;
1118 spin_lock_irqsave(&adapter->scsi_dbf_lock, flags);
1120 memset(rec, 0, sizeof(struct zfcp_scsi_dbf_record));
1122 strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
1123 strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
1124 if (scsi_cmnd != NULL) {
1125 if (scsi_cmnd->device) {
1126 rec->scsi_id = scsi_cmnd->device->id;
1127 rec->scsi_lun = scsi_cmnd->device->lun;
1129 rec->scsi_result = scsi_cmnd->result;
1130 rec->scsi_cmnd = (unsigned long)scsi_cmnd;
1131 rec->scsi_serial = scsi_cmnd->serial_number;
1132 memcpy(rec->scsi_opcode, &scsi_cmnd->cmnd,
1133 min((int)scsi_cmnd->cmd_len,
1134 ZFCP_DBF_SCSI_OPCODE));
1135 rec->scsi_retries = scsi_cmnd->retries;
1136 rec->scsi_allowed = scsi_cmnd->allowed;
1138 if (fsf_req != NULL) {
1139 fcp_rsp = (struct fcp_rsp_iu *)
1140 &(fsf_req->qtcb->bottom.io.fcp_rsp);
1142 zfcp_get_fcp_rsp_info_ptr(fcp_rsp);
1144 zfcp_get_fcp_sns_info_ptr(fcp_rsp);
1146 rec->type.fcp.rsp_validity =
1147 fcp_rsp->validity.value;
1148 rec->type.fcp.rsp_scsi_status =
1149 fcp_rsp->scsi_status;
1150 rec->type.fcp.rsp_resid = fcp_rsp->fcp_resid;
1151 if (fcp_rsp->validity.bits.fcp_rsp_len_valid)
1152 rec->type.fcp.rsp_code =
1153 *(fcp_rsp_info + 3);
1154 if (fcp_rsp->validity.bits.fcp_sns_len_valid) {
1155 buflen = min((int)fcp_rsp->fcp_sns_len,
1156 ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO);
1157 rec->type.fcp.sns_info_len = buflen;
1158 memcpy(rec->type.fcp.sns_info,
1161 ZFCP_DBF_SCSI_FCP_SNS_INFO));
1162 offset += min(buflen,
1163 ZFCP_DBF_SCSI_FCP_SNS_INFO);
1166 rec->fsf_reqid = (unsigned long)fsf_req;
1167 rec->fsf_seqno = fsf_req->seq_no;
1168 rec->fsf_issued = fsf_req->issued;
1170 rec->type.old_fsf_reqid = old_req_id;
1172 strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
1173 dump->total_size = buflen;
1174 dump->offset = offset;
1175 dump->size = min(buflen - offset,
1177 zfcp_scsi_dbf_record) -
1178 (int)sizeof(struct zfcp_dbf_dump));
1179 memcpy(dump->data, fcp_sns_info + offset, dump->size);
1180 offset += dump->size;
1182 debug_event(adapter->scsi_dbf, level,
1183 rec, sizeof(struct zfcp_scsi_dbf_record));
1184 } while (offset < buflen);
1185 spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
1189 zfcp_scsi_dbf_event_result(const char *tag, int level,
1190 struct zfcp_adapter *adapter,
1191 struct scsi_cmnd *scsi_cmnd,
1192 struct zfcp_fsf_req *fsf_req)
1194 _zfcp_scsi_dbf_event_common("rslt", tag, level,
1195 adapter, scsi_cmnd, fsf_req, 0);
1199 zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
1200 struct scsi_cmnd *scsi_cmnd,
1201 struct zfcp_fsf_req *new_fsf_req,
1202 unsigned long old_req_id)
1204 _zfcp_scsi_dbf_event_common("abrt", tag, 1,
1205 adapter, scsi_cmnd, new_fsf_req, old_req_id);
1209 zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
1210 struct scsi_cmnd *scsi_cmnd)
1212 struct zfcp_adapter *adapter = unit->port->adapter;
1214 _zfcp_scsi_dbf_event_common(flag == FCP_TARGET_RESET ? "trst" : "lrst",
1215 tag, 1, adapter, scsi_cmnd, NULL, 0);
1219 zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view,
1220 char *out_buf, const char *in_buf)
1222 struct zfcp_scsi_dbf_record *rec =
1223 (struct zfcp_scsi_dbf_record *)in_buf;
1226 if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
1229 len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
1230 len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
1231 len += zfcp_dbf_view(out_buf + len, "scsi_id", "0x%08x", rec->scsi_id);
1232 len += zfcp_dbf_view(out_buf + len, "scsi_lun", "0x%08x",
1234 len += zfcp_dbf_view(out_buf + len, "scsi_result", "0x%08x",
1236 len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
1238 len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
1240 len += zfcp_dbf_view_dump(out_buf + len, "scsi_opcode",
1242 ZFCP_DBF_SCSI_OPCODE,
1243 0, ZFCP_DBF_SCSI_OPCODE);
1244 len += zfcp_dbf_view(out_buf + len, "scsi_retries", "0x%02x",
1246 len += zfcp_dbf_view(out_buf + len, "scsi_allowed", "0x%02x",
1248 if (strncmp(rec->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0) {
1249 len += zfcp_dbf_view(out_buf + len, "old_fsf_reqid", "0x%0Lx",
1250 rec->type.old_fsf_reqid);
1252 len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
1254 len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
1256 len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
1257 if (strncmp(rec->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
1259 zfcp_dbf_view(out_buf + len, "fcp_rsp_validity", "0x%02x",
1260 rec->type.fcp.rsp_validity);
1262 zfcp_dbf_view(out_buf + len, "fcp_rsp_scsi_status",
1263 "0x%02x", rec->type.fcp.rsp_scsi_status);
1265 zfcp_dbf_view(out_buf + len, "fcp_rsp_resid", "0x%08x",
1266 rec->type.fcp.rsp_resid);
1268 zfcp_dbf_view(out_buf + len, "fcp_rsp_code", "0x%08x",
1269 rec->type.fcp.rsp_code);
1271 zfcp_dbf_view(out_buf + len, "fcp_sns_info_len", "0x%08x",
1272 rec->type.fcp.sns_info_len);
1274 zfcp_dbf_view_dump(out_buf + len, "fcp_sns_info",
1275 rec->type.fcp.sns_info,
1276 min((int)rec->type.fcp.sns_info_len,
1277 ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
1278 rec->type.fcp.sns_info_len);
1281 len += sprintf(out_buf + len, "\n");
1286 static struct debug_view zfcp_scsi_dbf_view = {
1289 &zfcp_dbf_view_header,
1290 &zfcp_scsi_dbf_view_format,
1296 * zfcp_adapter_debug_register - registers debug feature for an adapter
1297 * @adapter: pointer to adapter for which debug features should be registered
1298 * return: -ENOMEM on error, 0 otherwise
1300 int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
1302 char dbf_name[DEBUG_MAX_NAME_LEN];
1304 /* debug feature area which records recovery activity */
1305 sprintf(dbf_name, "zfcp_%s_erp", zfcp_get_busid_by_adapter(adapter));
1306 adapter->erp_dbf = debug_register(dbf_name, dbfsize, 2,
1307 sizeof(struct zfcp_erp_dbf_record));
1308 if (!adapter->erp_dbf)
1310 debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view);
1311 debug_set_level(adapter->erp_dbf, 3);
1313 /* debug feature area which records recovery activity */
1314 sprintf(dbf_name, "zfcp_%s_rec", zfcp_get_busid_by_adapter(adapter));
1315 adapter->rec_dbf = debug_register(dbf_name, dbfsize, 1,
1316 sizeof(struct zfcp_rec_dbf_record));
1317 if (!adapter->rec_dbf)
1319 debug_register_view(adapter->rec_dbf, &debug_hex_ascii_view);
1320 debug_register_view(adapter->rec_dbf, &zfcp_rec_dbf_view);
1321 debug_set_level(adapter->rec_dbf, 3);
1323 /* debug feature area which records HBA (FSF and QDIO) conditions */
1324 sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter));
1325 adapter->hba_dbf = debug_register(dbf_name, dbfsize, 1,
1326 sizeof(struct zfcp_hba_dbf_record));
1327 if (!adapter->hba_dbf)
1329 debug_register_view(adapter->hba_dbf, &debug_hex_ascii_view);
1330 debug_register_view(adapter->hba_dbf, &zfcp_hba_dbf_view);
1331 debug_set_level(adapter->hba_dbf, 3);
1333 /* debug feature area which records SAN command failures and recovery */
1334 sprintf(dbf_name, "zfcp_%s_san", zfcp_get_busid_by_adapter(adapter));
1335 adapter->san_dbf = debug_register(dbf_name, dbfsize, 1,
1336 sizeof(struct zfcp_san_dbf_record));
1337 if (!adapter->san_dbf)
1339 debug_register_view(adapter->san_dbf, &debug_hex_ascii_view);
1340 debug_register_view(adapter->san_dbf, &zfcp_san_dbf_view);
1341 debug_set_level(adapter->san_dbf, 6);
1343 /* debug feature area which records SCSI command failures and recovery */
1344 sprintf(dbf_name, "zfcp_%s_scsi", zfcp_get_busid_by_adapter(adapter));
1345 adapter->scsi_dbf = debug_register(dbf_name, dbfsize, 1,
1346 sizeof(struct zfcp_scsi_dbf_record));
1347 if (!adapter->scsi_dbf)
1349 debug_register_view(adapter->scsi_dbf, &debug_hex_ascii_view);
1350 debug_register_view(adapter->scsi_dbf, &zfcp_scsi_dbf_view);
1351 debug_set_level(adapter->scsi_dbf, 3);
1356 zfcp_adapter_debug_unregister(adapter);
1362 * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
1363 * @adapter: pointer to adapter for which debug features should be unregistered
1365 void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
1367 debug_unregister(adapter->scsi_dbf);
1368 debug_unregister(adapter->san_dbf);
1369 debug_unregister(adapter->hba_dbf);
1370 debug_unregister(adapter->rec_dbf);
1371 debug_unregister(adapter->erp_dbf);
1372 adapter->scsi_dbf = NULL;
1373 adapter->san_dbf = NULL;
1374 adapter->hba_dbf = NULL;
1375 adapter->rec_dbf = NULL;
1376 adapter->erp_dbf = NULL;
1379 #undef ZFCP_LOG_AREA