Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1 | /* |
Andreas Herrmann | 4a9d2d8 | 2006-05-22 18:14:08 +0200 | [diff] [blame] | 2 | * This file is part of the zfcp device driver for |
| 3 | * FCP adapters for IBM System z9 and zSeries. |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 4 | * |
Andreas Herrmann | 4a9d2d8 | 2006-05-22 18:14:08 +0200 | [diff] [blame] | 5 | * (C) Copyright IBM Corp. 2002, 2006 |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 6 | * |
| 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) |
| 10 | * any later version. |
| 11 | * |
| 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. |
| 16 | * |
| 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. |
| 20 | */ |
| 21 | |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 22 | #include <linux/ctype.h> |
Heiko Carstens | 364c855 | 2007-10-12 16:11:35 +0200 | [diff] [blame] | 23 | #include <asm/debug.h> |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 24 | #include "zfcp_ext.h" |
| 25 | |
| 26 | static u32 dbfsize = 4; |
| 27 | |
| 28 | module_param(dbfsize, uint, 0400); |
| 29 | MODULE_PARM_DESC(dbfsize, |
| 30 | "number of pages for each debug feature area (default 4)"); |
| 31 | |
| 32 | #define ZFCP_LOG_AREA ZFCP_LOG_AREA_OTHER |
| 33 | |
Martin Peschke | c15450e | 2008-03-27 14:21:55 +0100 | [diff] [blame] | 34 | static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len, |
| 35 | int level, char *from, int from_len) |
| 36 | { |
| 37 | int offset; |
| 38 | struct zfcp_dbf_dump *dump = to; |
| 39 | int room = to_len - sizeof(*dump); |
| 40 | |
| 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); |
| 49 | } |
| 50 | } |
| 51 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 52 | static int |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 53 | zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck) |
| 54 | { |
| 55 | unsigned long long sec; |
Heiko Carstens | 364c855 | 2007-10-12 16:11:35 +0200 | [diff] [blame] | 56 | struct timespec dbftime; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 57 | int len = 0; |
| 58 | |
| 59 | stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096); |
| 60 | sec = stck >> 12; |
| 61 | do_div(sec, 1000000); |
Heiko Carstens | 364c855 | 2007-10-12 16:11:35 +0200 | [diff] [blame] | 62 | dbftime.tv_sec = sec; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 63 | stck -= (sec * 1000000) << 12; |
Heiko Carstens | 364c855 | 2007-10-12 16:11:35 +0200 | [diff] [blame] | 64 | dbftime.tv_nsec = ((stck * 1000) >> 12); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 65 | len += sprintf(out_buf + len, "%-24s%011lu:%06lu\n", |
Heiko Carstens | 364c855 | 2007-10-12 16:11:35 +0200 | [diff] [blame] | 66 | label, dbftime.tv_sec, dbftime.tv_nsec); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 67 | |
| 68 | return len; |
| 69 | } |
| 70 | |
| 71 | static int zfcp_dbf_tag(char *out_buf, const char *label, const char *tag) |
| 72 | { |
| 73 | int len = 0, i; |
| 74 | |
| 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"); |
| 79 | |
| 80 | return len; |
| 81 | } |
| 82 | |
| 83 | static int |
| 84 | zfcp_dbf_view(char *out_buf, const char *label, const char *format, ...) |
| 85 | { |
| 86 | va_list arg; |
| 87 | int len = 0; |
| 88 | |
| 89 | len += sprintf(out_buf + len, "%-24s", label); |
| 90 | va_start(arg, format); |
| 91 | len += vsprintf(out_buf + len, format, arg); |
| 92 | va_end(arg); |
| 93 | len += sprintf(out_buf + len, "\n"); |
| 94 | |
| 95 | return len; |
| 96 | } |
| 97 | |
Martin Peschke | 10223c6 | 2008-03-27 14:21:59 +0100 | [diff] [blame] | 98 | static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2) |
| 99 | { |
| 100 | *buf += sprintf(*buf, "%-24s%s\n", s1, s2); |
| 101 | } |
| 102 | |
| 103 | static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...) |
| 104 | { |
| 105 | va_list arg; |
| 106 | |
| 107 | *buf += sprintf(*buf, "%-24s", s); |
| 108 | va_start(arg, format); |
| 109 | *buf += vsprintf(*buf, format, arg); |
| 110 | va_end(arg); |
| 111 | *buf += sprintf(*buf, "\n"); |
| 112 | } |
| 113 | |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 114 | static int |
| 115 | zfcp_dbf_view_dump(char *out_buf, const char *label, |
| 116 | char *buffer, int buflen, int offset, int total_size) |
| 117 | { |
| 118 | int len = 0; |
| 119 | |
| 120 | if (offset == 0) |
| 121 | len += sprintf(out_buf + len, "%-24s ", label); |
| 122 | |
| 123 | while (buflen--) { |
| 124 | if (offset > 0) { |
| 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, " "); |
| 129 | } |
| 130 | len += sprintf(out_buf + len, "%02x", *buffer++); |
| 131 | if (++offset == total_size) { |
| 132 | len += sprintf(out_buf + len, "\n"); |
| 133 | break; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | if (total_size == 0) |
| 138 | len += sprintf(out_buf + len, "\n"); |
| 139 | |
| 140 | return len; |
| 141 | } |
| 142 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 143 | static int |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 144 | zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area, |
| 145 | debug_entry_t * entry, char *out_buf) |
| 146 | { |
| 147 | struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry); |
| 148 | int len = 0; |
| 149 | |
| 150 | if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) { |
| 151 | len += zfcp_dbf_stck(out_buf + len, "timestamp", |
| 152 | entry->id.stck); |
| 153 | len += zfcp_dbf_view(out_buf + len, "cpu", "%02i", |
| 154 | entry->id.fields.cpuid); |
| 155 | } else { |
| 156 | len += zfcp_dbf_view_dump(out_buf + len, NULL, |
| 157 | dump->data, |
| 158 | dump->size, |
| 159 | dump->offset, dump->total_size); |
| 160 | if ((dump->offset + dump->size) == dump->total_size) |
| 161 | len += sprintf(out_buf + len, "\n"); |
| 162 | } |
| 163 | |
| 164 | return len; |
| 165 | } |
| 166 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 167 | void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 168 | { |
| 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; |
| 180 | int level; |
| 181 | unsigned long flags; |
| 182 | |
| 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); |
| 186 | |
| 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); |
| 190 | level = 1; |
| 191 | } else if (qtcb->header.fsf_status != FSF_GOOD) { |
| 192 | strncpy(rec->tag2, "ferr", ZFCP_DBF_TAG_SIZE); |
| 193 | level = 1; |
| 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); |
| 197 | level = 4; |
Martin Peschke | b75db73 | 2008-03-27 14:21:58 +0100 | [diff] [blame] | 198 | } else if (qtcb->header.log_length) { |
| 199 | strncpy(rec->tag2, "qtcb", ZFCP_DBF_TAG_SIZE); |
| 200 | level = 5; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 201 | } else { |
| 202 | strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE); |
| 203 | level = 6; |
| 204 | } |
| 205 | |
| 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; |
| 222 | |
| 223 | switch (fsf_req->fsf_command) { |
| 224 | case FSF_QTCB_FCP_CMND: |
| 225 | if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT) |
| 226 | break; |
| 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; |
| 233 | } |
| 234 | break; |
| 235 | |
| 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; |
| 243 | break; |
| 244 | |
| 245 | case FSF_QTCB_OPEN_LUN: |
| 246 | case FSF_QTCB_CLOSE_LUN: |
| 247 | unit = (struct zfcp_unit *)fsf_req->data; |
| 248 | port = unit->port; |
| 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; |
| 253 | break; |
| 254 | |
| 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; |
| 259 | break; |
| 260 | |
| 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: |
| 267 | break; |
| 268 | } |
| 269 | |
| 270 | debug_event(adapter->hba_dbf, level, |
| 271 | rec, sizeof(struct zfcp_hba_dbf_record)); |
Martin Peschke | b75db73 | 2008-03-27 14:21:58 +0100 | [diff] [blame] | 272 | |
| 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, |
| 280 | buf, len); |
| 281 | } |
| 282 | |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 283 | spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); |
| 284 | } |
| 285 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 286 | void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 287 | zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, |
| 288 | struct fsf_status_read_buffer *status_buffer) |
| 289 | { |
| 290 | struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf; |
| 291 | unsigned long flags; |
| 292 | |
| 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); |
| 297 | |
| 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)); |
| 305 | |
| 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; |
| 310 | break; |
| 311 | |
| 312 | case FSF_STATUS_READ_BIT_ERROR_THRESHOLD: |
| 313 | rec->type.status.payload_size = |
| 314 | ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD; |
| 315 | break; |
| 316 | |
| 317 | case FSF_STATUS_READ_LINK_DOWN: |
Maxim Shchetynin | aef4a98 | 2005-09-13 21:51:16 +0200 | [diff] [blame] | 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); |
| 323 | } |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 324 | break; |
| 325 | |
Maxim Shchetynin | aef4a98 | 2005-09-13 21:51:16 +0200 | [diff] [blame] | 326 | case FSF_STATUS_READ_FEATURE_UPDATE_ALERT: |
| 327 | rec->type.status.payload_size = |
| 328 | ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT; |
| 329 | break; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 330 | } |
| 331 | memcpy(&rec->type.status.payload, |
| 332 | &status_buffer->payload, rec->type.status.payload_size); |
| 333 | } |
| 334 | |
| 335 | debug_event(adapter->hba_dbf, 2, |
| 336 | rec, sizeof(struct zfcp_hba_dbf_record)); |
| 337 | spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); |
| 338 | } |
| 339 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 340 | void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 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) |
| 344 | { |
| 345 | struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf; |
| 346 | unsigned long flags; |
| 347 | |
| 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); |
| 359 | } |
| 360 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 361 | static int |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 362 | zfcp_hba_dbf_view_response(char *out_buf, |
| 363 | struct zfcp_hba_dbf_record_response *rec) |
| 364 | { |
| 365 | int len = 0; |
| 366 | |
| 367 | len += zfcp_dbf_view(out_buf + len, "fsf_command", "0x%08x", |
| 368 | rec->fsf_command); |
| 369 | len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx", |
| 370 | rec->fsf_reqid); |
| 371 | len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x", |
| 372 | rec->fsf_seqno); |
| 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", |
| 377 | rec->fsf_status); |
| 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", |
| 389 | rec->sbal_first); |
| 390 | len += zfcp_dbf_view(out_buf + len, "sbal_curr", "0x%02x", |
| 391 | rec->sbal_curr); |
| 392 | len += zfcp_dbf_view(out_buf + len, "sbal_last", "0x%02x", |
| 393 | rec->sbal_last); |
| 394 | len += zfcp_dbf_view(out_buf + len, "pool", "0x%02x", rec->pool); |
| 395 | |
| 396 | switch (rec->fsf_command) { |
| 397 | case FSF_QTCB_FCP_CMND: |
| 398 | if (rec->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT) |
| 399 | break; |
| 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); |
| 404 | break; |
| 405 | |
| 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); |
| 415 | break; |
| 416 | |
| 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); |
| 427 | break; |
| 428 | |
| 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); |
| 434 | break; |
| 435 | |
| 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: |
| 442 | break; |
| 443 | } |
| 444 | |
| 445 | return len; |
| 446 | } |
| 447 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 448 | static int |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 449 | zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec) |
| 450 | { |
| 451 | int len = 0; |
| 452 | |
| 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", |
| 455 | rec->status_type); |
| 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); |
| 465 | |
| 466 | return len; |
| 467 | } |
| 468 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 469 | static int |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 470 | zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec) |
| 471 | { |
| 472 | int len = 0; |
| 473 | |
| 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", |
| 476 | rec->qdio_error); |
| 477 | len += zfcp_dbf_view(out_buf + len, "siga_error", "0x%08x", |
| 478 | rec->siga_error); |
| 479 | len += zfcp_dbf_view(out_buf + len, "sbal_index", "0x%02x", |
| 480 | rec->sbal_index); |
| 481 | len += zfcp_dbf_view(out_buf + len, "sbal_count", "0x%02x", |
| 482 | rec->sbal_count); |
| 483 | |
| 484 | return len; |
| 485 | } |
| 486 | |
| 487 | static int |
| 488 | zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view, |
| 489 | char *out_buf, const char *in_buf) |
| 490 | { |
| 491 | struct zfcp_hba_dbf_record *rec = (struct zfcp_hba_dbf_record *)in_buf; |
| 492 | int len = 0; |
| 493 | |
| 494 | if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) |
| 495 | return 0; |
| 496 | |
| 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, |
| 505 | &rec->type.status); |
| 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); |
| 508 | |
| 509 | len += sprintf(out_buf + len, "\n"); |
| 510 | |
| 511 | return len; |
| 512 | } |
| 513 | |
Heiko Carstens | 2b67fc4 | 2007-02-05 21:16:47 +0100 | [diff] [blame] | 514 | static struct debug_view zfcp_hba_dbf_view = { |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 515 | "structured", |
| 516 | NULL, |
| 517 | &zfcp_dbf_view_header, |
| 518 | &zfcp_hba_dbf_view_format, |
| 519 | NULL, |
| 520 | NULL |
| 521 | }; |
| 522 | |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 523 | static const char *zfcp_rec_dbf_tags[] = { |
Martin Peschke | 348447e | 2008-03-27 14:22:01 +0100 | [diff] [blame^] | 524 | [ZFCP_REC_DBF_ID_THREAD] = "thread", |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 525 | }; |
| 526 | |
| 527 | static const char *zfcp_rec_dbf_ids[] = { |
Martin Peschke | 348447e | 2008-03-27 14:22:01 +0100 | [diff] [blame^] | 528 | [1] = "new", |
| 529 | [2] = "ready", |
| 530 | [3] = "kill", |
| 531 | [4] = "down sleep", |
| 532 | [5] = "down wakeup", |
| 533 | [6] = "down sleep ecd", |
| 534 | [7] = "down wakeup ecd", |
| 535 | [8] = "down sleep epd", |
| 536 | [9] = "down wakeup epd", |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 537 | }; |
| 538 | |
| 539 | static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view, |
| 540 | char *buf, const char *_rec) |
| 541 | { |
| 542 | struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec; |
| 543 | char *p = buf; |
| 544 | |
| 545 | zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]); |
| 546 | zfcp_dbf_outs(&p, "hint", zfcp_rec_dbf_ids[r->id2]); |
| 547 | zfcp_dbf_out(&p, "id", "%d", r->id2); |
| 548 | switch (r->id) { |
Martin Peschke | 348447e | 2008-03-27 14:22:01 +0100 | [diff] [blame^] | 549 | case ZFCP_REC_DBF_ID_THREAD: |
| 550 | zfcp_dbf_out(&p, "sema", "%d", r->u.thread.sema); |
| 551 | zfcp_dbf_out(&p, "total", "%d", r->u.thread.total); |
| 552 | zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready); |
| 553 | zfcp_dbf_out(&p, "running", "%d", r->u.thread.running); |
| 554 | break; |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 555 | } |
| 556 | sprintf(p, "\n"); |
| 557 | return (p - buf) + 1; |
| 558 | } |
| 559 | |
| 560 | static struct debug_view zfcp_rec_dbf_view = { |
| 561 | "structured", |
| 562 | NULL, |
| 563 | &zfcp_dbf_view_header, |
| 564 | &zfcp_rec_dbf_view_format, |
| 565 | NULL, |
| 566 | NULL |
| 567 | }; |
| 568 | |
Martin Peschke | 348447e | 2008-03-27 14:22:01 +0100 | [diff] [blame^] | 569 | /** |
| 570 | * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation |
| 571 | * @id2: identifier for event |
| 572 | * @adapter: adapter |
| 573 | * @lock: non-zero value indicates that erp_lock has not yet been acquired |
| 574 | */ |
| 575 | void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter, int lock) |
| 576 | { |
| 577 | struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; |
| 578 | unsigned long flags = 0; |
| 579 | struct list_head *entry; |
| 580 | unsigned ready = 0, running = 0, total; |
| 581 | |
| 582 | if (lock) |
| 583 | read_lock_irqsave(&adapter->erp_lock, flags); |
| 584 | list_for_each(entry, &adapter->erp_ready_head) |
| 585 | ready++; |
| 586 | list_for_each(entry, &adapter->erp_running_head) |
| 587 | running++; |
| 588 | total = adapter->erp_total_count; |
| 589 | if (lock) |
| 590 | read_unlock_irqrestore(&adapter->erp_lock, flags); |
| 591 | |
| 592 | spin_lock_irqsave(&adapter->rec_dbf_lock, flags); |
| 593 | memset(r, 0, sizeof(*r)); |
| 594 | r->id = ZFCP_REC_DBF_ID_THREAD; |
| 595 | r->id2 = id2; |
| 596 | r->u.thread.sema = atomic_read(&adapter->erp_ready_sem.count); |
| 597 | r->u.thread.total = total; |
| 598 | r->u.thread.ready = ready; |
| 599 | r->u.thread.running = running; |
| 600 | debug_event(adapter->rec_dbf, 5, r, sizeof(*r)); |
| 601 | spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); |
| 602 | } |
| 603 | |
Heiko Carstens | 763968e | 2007-05-10 15:45:46 +0200 | [diff] [blame] | 604 | static void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 605 | _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req, |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 606 | u32 s_id, u32 d_id, void *buffer, int buflen) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 607 | { |
| 608 | struct zfcp_send_ct *send_ct = (struct zfcp_send_ct *)fsf_req->data; |
| 609 | struct zfcp_port *port = send_ct->port; |
| 610 | struct zfcp_adapter *adapter = port->adapter; |
| 611 | struct ct_hdr *header = (struct ct_hdr *)buffer; |
| 612 | struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf; |
| 613 | struct zfcp_san_dbf_record_ct *ct = &rec->type.ct; |
| 614 | unsigned long flags; |
| 615 | |
| 616 | spin_lock_irqsave(&adapter->san_dbf_lock, flags); |
| 617 | memset(rec, 0, sizeof(struct zfcp_san_dbf_record)); |
| 618 | strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); |
| 619 | rec->fsf_reqid = (unsigned long)fsf_req; |
| 620 | rec->fsf_seqno = fsf_req->seq_no; |
| 621 | rec->s_id = s_id; |
| 622 | rec->d_id = d_id; |
| 623 | if (strncmp(tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) { |
| 624 | ct->type.request.cmd_req_code = header->cmd_rsp_code; |
| 625 | ct->type.request.revision = header->revision; |
| 626 | ct->type.request.gs_type = header->gs_type; |
| 627 | ct->type.request.gs_subtype = header->gs_subtype; |
| 628 | ct->type.request.options = header->options; |
| 629 | ct->type.request.max_res_size = header->max_res_size; |
| 630 | } else if (strncmp(tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) { |
| 631 | ct->type.response.cmd_rsp_code = header->cmd_rsp_code; |
| 632 | ct->type.response.revision = header->revision; |
| 633 | ct->type.response.reason_code = header->reason_code; |
| 634 | ct->type.response.reason_code_expl = header->reason_code_expl; |
| 635 | ct->type.response.vendor_unique = header->vendor_unique; |
| 636 | } |
| 637 | ct->payload_size = |
| 638 | min(buflen - (int)sizeof(struct ct_hdr), ZFCP_DBF_CT_PAYLOAD); |
| 639 | memcpy(ct->payload, buffer + sizeof(struct ct_hdr), ct->payload_size); |
| 640 | debug_event(adapter->san_dbf, 3, |
| 641 | rec, sizeof(struct zfcp_san_dbf_record)); |
| 642 | spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); |
| 643 | } |
| 644 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 645 | void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 646 | { |
| 647 | struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; |
| 648 | struct zfcp_port *port = ct->port; |
| 649 | struct zfcp_adapter *adapter = port->adapter; |
| 650 | |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 651 | _zfcp_san_dbf_event_common_ct("octc", fsf_req, |
| 652 | fc_host_port_id(adapter->scsi_host), |
| 653 | port->d_id, zfcp_sg_to_address(ct->req), |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 654 | ct->req->length); |
| 655 | } |
| 656 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 657 | void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 658 | { |
| 659 | struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; |
| 660 | struct zfcp_port *port = ct->port; |
| 661 | struct zfcp_adapter *adapter = port->adapter; |
| 662 | |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 663 | _zfcp_san_dbf_event_common_ct("rctc", fsf_req, port->d_id, |
| 664 | fc_host_port_id(adapter->scsi_host), |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 665 | zfcp_sg_to_address(ct->resp), |
| 666 | ct->resp->length); |
| 667 | } |
| 668 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 669 | static void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 670 | _zfcp_san_dbf_event_common_els(const char *tag, int level, |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 671 | struct zfcp_fsf_req *fsf_req, u32 s_id, |
| 672 | u32 d_id, u8 ls_code, void *buffer, int buflen) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 673 | { |
| 674 | struct zfcp_adapter *adapter = fsf_req->adapter; |
| 675 | struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 676 | unsigned long flags; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 677 | |
| 678 | spin_lock_irqsave(&adapter->san_dbf_lock, flags); |
Martin Peschke | 0f65e95 | 2008-03-27 14:21:56 +0100 | [diff] [blame] | 679 | memset(rec, 0, sizeof(struct zfcp_san_dbf_record)); |
| 680 | strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); |
| 681 | rec->fsf_reqid = (unsigned long)fsf_req; |
| 682 | rec->fsf_seqno = fsf_req->seq_no; |
| 683 | rec->s_id = s_id; |
| 684 | rec->d_id = d_id; |
| 685 | rec->type.els.ls_code = ls_code; |
| 686 | debug_event(adapter->san_dbf, level, rec, sizeof(*rec)); |
| 687 | zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level, |
| 688 | buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD)); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 689 | spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); |
| 690 | } |
| 691 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 692 | void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 693 | { |
| 694 | struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; |
| 695 | |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 696 | _zfcp_san_dbf_event_common_els("oels", 2, fsf_req, |
| 697 | fc_host_port_id(els->adapter->scsi_host), |
| 698 | els->d_id, |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 699 | *(u8 *) zfcp_sg_to_address(els->req), |
| 700 | zfcp_sg_to_address(els->req), |
| 701 | els->req->length); |
| 702 | } |
| 703 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 704 | void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 705 | { |
| 706 | struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; |
| 707 | |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 708 | _zfcp_san_dbf_event_common_els("rels", 2, fsf_req, els->d_id, |
| 709 | fc_host_port_id(els->adapter->scsi_host), |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 710 | *(u8 *) zfcp_sg_to_address(els->req), |
| 711 | zfcp_sg_to_address(els->resp), |
| 712 | els->resp->length); |
| 713 | } |
| 714 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 715 | void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 716 | { |
| 717 | struct zfcp_adapter *adapter = fsf_req->adapter; |
| 718 | struct fsf_status_read_buffer *status_buffer = |
| 719 | (struct fsf_status_read_buffer *)fsf_req->data; |
| 720 | int length = (int)status_buffer->length - |
| 721 | (int)((void *)&status_buffer->payload - (void *)status_buffer); |
| 722 | |
Andreas Herrmann | 13e1e1f | 2005-09-19 16:56:17 +0200 | [diff] [blame] | 723 | _zfcp_san_dbf_event_common_els("iels", 1, fsf_req, status_buffer->d_id, |
| 724 | fc_host_port_id(adapter->scsi_host), |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 725 | *(u8 *) status_buffer->payload, |
| 726 | (void *)status_buffer->payload, length); |
| 727 | } |
| 728 | |
| 729 | static int |
| 730 | zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view, |
| 731 | char *out_buf, const char *in_buf) |
| 732 | { |
| 733 | struct zfcp_san_dbf_record *rec = (struct zfcp_san_dbf_record *)in_buf; |
| 734 | char *buffer = NULL; |
| 735 | int buflen = 0, total = 0; |
| 736 | int len = 0; |
| 737 | |
| 738 | if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) |
| 739 | return 0; |
| 740 | |
| 741 | len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag); |
| 742 | len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx", |
| 743 | rec->fsf_reqid); |
| 744 | len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x", |
| 745 | rec->fsf_seqno); |
| 746 | len += zfcp_dbf_view(out_buf + len, "s_id", "0x%06x", rec->s_id); |
| 747 | len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x", rec->d_id); |
| 748 | |
| 749 | if (strncmp(rec->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) { |
| 750 | len += zfcp_dbf_view(out_buf + len, "cmd_req_code", "0x%04x", |
| 751 | rec->type.ct.type.request.cmd_req_code); |
| 752 | len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x", |
| 753 | rec->type.ct.type.request.revision); |
| 754 | len += zfcp_dbf_view(out_buf + len, "gs_type", "0x%02x", |
| 755 | rec->type.ct.type.request.gs_type); |
| 756 | len += zfcp_dbf_view(out_buf + len, "gs_subtype", "0x%02x", |
| 757 | rec->type.ct.type.request.gs_subtype); |
| 758 | len += zfcp_dbf_view(out_buf + len, "options", "0x%02x", |
| 759 | rec->type.ct.type.request.options); |
| 760 | len += zfcp_dbf_view(out_buf + len, "max_res_size", "0x%04x", |
| 761 | rec->type.ct.type.request.max_res_size); |
| 762 | total = rec->type.ct.payload_size; |
| 763 | buffer = rec->type.ct.payload; |
| 764 | buflen = min(total, ZFCP_DBF_CT_PAYLOAD); |
| 765 | } else if (strncmp(rec->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) { |
| 766 | len += zfcp_dbf_view(out_buf + len, "cmd_rsp_code", "0x%04x", |
| 767 | rec->type.ct.type.response.cmd_rsp_code); |
| 768 | len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x", |
| 769 | rec->type.ct.type.response.revision); |
| 770 | len += zfcp_dbf_view(out_buf + len, "reason_code", "0x%02x", |
| 771 | rec->type.ct.type.response.reason_code); |
| 772 | len += |
| 773 | zfcp_dbf_view(out_buf + len, "reason_code_expl", "0x%02x", |
| 774 | rec->type.ct.type.response.reason_code_expl); |
| 775 | len += |
| 776 | zfcp_dbf_view(out_buf + len, "vendor_unique", "0x%02x", |
| 777 | rec->type.ct.type.response.vendor_unique); |
| 778 | total = rec->type.ct.payload_size; |
| 779 | buffer = rec->type.ct.payload; |
| 780 | buflen = min(total, ZFCP_DBF_CT_PAYLOAD); |
| 781 | } else if (strncmp(rec->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 || |
| 782 | strncmp(rec->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 || |
| 783 | strncmp(rec->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) { |
| 784 | len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x", |
| 785 | rec->type.els.ls_code); |
| 786 | total = rec->type.els.payload_size; |
| 787 | buffer = rec->type.els.payload; |
| 788 | buflen = min(total, ZFCP_DBF_ELS_PAYLOAD); |
| 789 | } |
| 790 | |
| 791 | len += zfcp_dbf_view_dump(out_buf + len, "payload", |
| 792 | buffer, buflen, 0, total); |
| 793 | |
| 794 | if (buflen == total) |
| 795 | len += sprintf(out_buf + len, "\n"); |
| 796 | |
| 797 | return len; |
| 798 | } |
| 799 | |
Heiko Carstens | 2b67fc4 | 2007-02-05 21:16:47 +0100 | [diff] [blame] | 800 | static struct debug_view zfcp_san_dbf_view = { |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 801 | "structured", |
| 802 | NULL, |
| 803 | &zfcp_dbf_view_header, |
| 804 | &zfcp_san_dbf_view_format, |
| 805 | NULL, |
| 806 | NULL |
| 807 | }; |
| 808 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 809 | static void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 810 | _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level, |
| 811 | struct zfcp_adapter *adapter, |
| 812 | struct scsi_cmnd *scsi_cmnd, |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 813 | struct zfcp_fsf_req *fsf_req, |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 814 | unsigned long old_req_id) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 815 | { |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 816 | struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf; |
| 817 | struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec; |
| 818 | unsigned long flags; |
| 819 | struct fcp_rsp_iu *fcp_rsp; |
| 820 | char *fcp_rsp_info = NULL, *fcp_sns_info = NULL; |
| 821 | int offset = 0, buflen = 0; |
| 822 | |
| 823 | spin_lock_irqsave(&adapter->scsi_dbf_lock, flags); |
| 824 | do { |
| 825 | memset(rec, 0, sizeof(struct zfcp_scsi_dbf_record)); |
| 826 | if (offset == 0) { |
| 827 | strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); |
| 828 | strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE); |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 829 | if (scsi_cmnd != NULL) { |
| 830 | if (scsi_cmnd->device) { |
| 831 | rec->scsi_id = scsi_cmnd->device->id; |
| 832 | rec->scsi_lun = scsi_cmnd->device->lun; |
| 833 | } |
| 834 | rec->scsi_result = scsi_cmnd->result; |
| 835 | rec->scsi_cmnd = (unsigned long)scsi_cmnd; |
| 836 | rec->scsi_serial = scsi_cmnd->serial_number; |
| 837 | memcpy(rec->scsi_opcode, &scsi_cmnd->cmnd, |
| 838 | min((int)scsi_cmnd->cmd_len, |
| 839 | ZFCP_DBF_SCSI_OPCODE)); |
| 840 | rec->scsi_retries = scsi_cmnd->retries; |
| 841 | rec->scsi_allowed = scsi_cmnd->allowed; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 842 | } |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 843 | if (fsf_req != NULL) { |
| 844 | fcp_rsp = (struct fcp_rsp_iu *) |
| 845 | &(fsf_req->qtcb->bottom.io.fcp_rsp); |
| 846 | fcp_rsp_info = |
| 847 | zfcp_get_fcp_rsp_info_ptr(fcp_rsp); |
| 848 | fcp_sns_info = |
| 849 | zfcp_get_fcp_sns_info_ptr(fcp_rsp); |
| 850 | |
| 851 | rec->type.fcp.rsp_validity = |
| 852 | fcp_rsp->validity.value; |
| 853 | rec->type.fcp.rsp_scsi_status = |
| 854 | fcp_rsp->scsi_status; |
| 855 | rec->type.fcp.rsp_resid = fcp_rsp->fcp_resid; |
| 856 | if (fcp_rsp->validity.bits.fcp_rsp_len_valid) |
| 857 | rec->type.fcp.rsp_code = |
| 858 | *(fcp_rsp_info + 3); |
| 859 | if (fcp_rsp->validity.bits.fcp_sns_len_valid) { |
| 860 | buflen = min((int)fcp_rsp->fcp_sns_len, |
| 861 | ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO); |
| 862 | rec->type.fcp.sns_info_len = buflen; |
| 863 | memcpy(rec->type.fcp.sns_info, |
| 864 | fcp_sns_info, |
| 865 | min(buflen, |
| 866 | ZFCP_DBF_SCSI_FCP_SNS_INFO)); |
| 867 | offset += min(buflen, |
| 868 | ZFCP_DBF_SCSI_FCP_SNS_INFO); |
| 869 | } |
| 870 | |
| 871 | rec->fsf_reqid = (unsigned long)fsf_req; |
| 872 | rec->fsf_seqno = fsf_req->seq_no; |
| 873 | rec->fsf_issued = fsf_req->issued; |
| 874 | } |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 875 | rec->type.old_fsf_reqid = old_req_id; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 876 | } else { |
| 877 | strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE); |
| 878 | dump->total_size = buflen; |
| 879 | dump->offset = offset; |
| 880 | dump->size = min(buflen - offset, |
| 881 | (int)sizeof(struct |
| 882 | zfcp_scsi_dbf_record) - |
| 883 | (int)sizeof(struct zfcp_dbf_dump)); |
| 884 | memcpy(dump->data, fcp_sns_info + offset, dump->size); |
| 885 | offset += dump->size; |
| 886 | } |
| 887 | debug_event(adapter->scsi_dbf, level, |
| 888 | rec, sizeof(struct zfcp_scsi_dbf_record)); |
| 889 | } while (offset < buflen); |
| 890 | spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags); |
| 891 | } |
| 892 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 893 | void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 894 | zfcp_scsi_dbf_event_result(const char *tag, int level, |
| 895 | struct zfcp_adapter *adapter, |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 896 | struct scsi_cmnd *scsi_cmnd, |
| 897 | struct zfcp_fsf_req *fsf_req) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 898 | { |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 899 | _zfcp_scsi_dbf_event_common("rslt", tag, level, |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 900 | adapter, scsi_cmnd, fsf_req, 0); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 901 | } |
| 902 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 903 | void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 904 | zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, |
| 905 | struct scsi_cmnd *scsi_cmnd, |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 906 | struct zfcp_fsf_req *new_fsf_req, |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 907 | unsigned long old_req_id) |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 908 | { |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 909 | _zfcp_scsi_dbf_event_common("abrt", tag, 1, |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 910 | adapter, scsi_cmnd, new_fsf_req, old_req_id); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 911 | } |
| 912 | |
Heiko Carstens | 4d284ca | 2007-02-05 21:18:53 +0100 | [diff] [blame] | 913 | void |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 914 | zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit, |
| 915 | struct scsi_cmnd *scsi_cmnd) |
| 916 | { |
| 917 | struct zfcp_adapter *adapter = unit->port->adapter; |
| 918 | |
| 919 | _zfcp_scsi_dbf_event_common(flag == FCP_TARGET_RESET ? "trst" : "lrst", |
Andreas Herrmann | 4eff4a3 | 2006-09-18 22:29:20 +0200 | [diff] [blame] | 920 | tag, 1, adapter, scsi_cmnd, NULL, 0); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 921 | } |
| 922 | |
| 923 | static int |
| 924 | zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view, |
| 925 | char *out_buf, const char *in_buf) |
| 926 | { |
| 927 | struct zfcp_scsi_dbf_record *rec = |
| 928 | (struct zfcp_scsi_dbf_record *)in_buf; |
| 929 | int len = 0; |
| 930 | |
| 931 | if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) |
| 932 | return 0; |
| 933 | |
| 934 | len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag); |
| 935 | len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2); |
| 936 | len += zfcp_dbf_view(out_buf + len, "scsi_id", "0x%08x", rec->scsi_id); |
| 937 | len += zfcp_dbf_view(out_buf + len, "scsi_lun", "0x%08x", |
| 938 | rec->scsi_lun); |
| 939 | len += zfcp_dbf_view(out_buf + len, "scsi_result", "0x%08x", |
| 940 | rec->scsi_result); |
| 941 | len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx", |
| 942 | rec->scsi_cmnd); |
| 943 | len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx", |
| 944 | rec->scsi_serial); |
| 945 | len += zfcp_dbf_view_dump(out_buf + len, "scsi_opcode", |
| 946 | rec->scsi_opcode, |
| 947 | ZFCP_DBF_SCSI_OPCODE, |
| 948 | 0, ZFCP_DBF_SCSI_OPCODE); |
| 949 | len += zfcp_dbf_view(out_buf + len, "scsi_retries", "0x%02x", |
| 950 | rec->scsi_retries); |
| 951 | len += zfcp_dbf_view(out_buf + len, "scsi_allowed", "0x%02x", |
| 952 | rec->scsi_allowed); |
Maxim Shchetynin | ed829ad | 2006-02-11 01:42:58 +0100 | [diff] [blame] | 953 | if (strncmp(rec->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0) { |
| 954 | len += zfcp_dbf_view(out_buf + len, "old_fsf_reqid", "0x%0Lx", |
| 955 | rec->type.old_fsf_reqid); |
| 956 | } |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 957 | len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx", |
| 958 | rec->fsf_reqid); |
| 959 | len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x", |
| 960 | rec->fsf_seqno); |
| 961 | len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued); |
| 962 | if (strncmp(rec->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) { |
| 963 | len += |
| 964 | zfcp_dbf_view(out_buf + len, "fcp_rsp_validity", "0x%02x", |
| 965 | rec->type.fcp.rsp_validity); |
| 966 | len += |
| 967 | zfcp_dbf_view(out_buf + len, "fcp_rsp_scsi_status", |
| 968 | "0x%02x", rec->type.fcp.rsp_scsi_status); |
| 969 | len += |
| 970 | zfcp_dbf_view(out_buf + len, "fcp_rsp_resid", "0x%08x", |
| 971 | rec->type.fcp.rsp_resid); |
| 972 | len += |
| 973 | zfcp_dbf_view(out_buf + len, "fcp_rsp_code", "0x%08x", |
| 974 | rec->type.fcp.rsp_code); |
| 975 | len += |
| 976 | zfcp_dbf_view(out_buf + len, "fcp_sns_info_len", "0x%08x", |
| 977 | rec->type.fcp.sns_info_len); |
| 978 | len += |
| 979 | zfcp_dbf_view_dump(out_buf + len, "fcp_sns_info", |
| 980 | rec->type.fcp.sns_info, |
| 981 | min((int)rec->type.fcp.sns_info_len, |
| 982 | ZFCP_DBF_SCSI_FCP_SNS_INFO), 0, |
| 983 | rec->type.fcp.sns_info_len); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 984 | } |
| 985 | |
| 986 | len += sprintf(out_buf + len, "\n"); |
| 987 | |
| 988 | return len; |
| 989 | } |
| 990 | |
Heiko Carstens | 2b67fc4 | 2007-02-05 21:16:47 +0100 | [diff] [blame] | 991 | static struct debug_view zfcp_scsi_dbf_view = { |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 992 | "structured", |
| 993 | NULL, |
| 994 | &zfcp_dbf_view_header, |
| 995 | &zfcp_scsi_dbf_view_format, |
| 996 | NULL, |
| 997 | NULL |
| 998 | }; |
| 999 | |
| 1000 | /** |
| 1001 | * zfcp_adapter_debug_register - registers debug feature for an adapter |
| 1002 | * @adapter: pointer to adapter for which debug features should be registered |
| 1003 | * return: -ENOMEM on error, 0 otherwise |
| 1004 | */ |
| 1005 | int zfcp_adapter_debug_register(struct zfcp_adapter *adapter) |
| 1006 | { |
| 1007 | char dbf_name[DEBUG_MAX_NAME_LEN]; |
| 1008 | |
| 1009 | /* debug feature area which records recovery activity */ |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1010 | sprintf(dbf_name, "zfcp_%s_erp", zfcp_get_busid_by_adapter(adapter)); |
| 1011 | adapter->erp_dbf = debug_register(dbf_name, dbfsize, 2, |
| 1012 | sizeof(struct zfcp_erp_dbf_record)); |
| 1013 | if (!adapter->erp_dbf) |
| 1014 | goto failed; |
| 1015 | debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view); |
| 1016 | debug_set_level(adapter->erp_dbf, 3); |
| 1017 | |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 1018 | /* debug feature area which records recovery activity */ |
| 1019 | sprintf(dbf_name, "zfcp_%s_rec", zfcp_get_busid_by_adapter(adapter)); |
| 1020 | adapter->rec_dbf = debug_register(dbf_name, dbfsize, 1, |
| 1021 | sizeof(struct zfcp_rec_dbf_record)); |
| 1022 | if (!adapter->rec_dbf) |
| 1023 | goto failed; |
| 1024 | debug_register_view(adapter->rec_dbf, &debug_hex_ascii_view); |
| 1025 | debug_register_view(adapter->rec_dbf, &zfcp_rec_dbf_view); |
| 1026 | debug_set_level(adapter->rec_dbf, 3); |
| 1027 | |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1028 | /* debug feature area which records HBA (FSF and QDIO) conditions */ |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1029 | sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter)); |
| 1030 | adapter->hba_dbf = debug_register(dbf_name, dbfsize, 1, |
| 1031 | sizeof(struct zfcp_hba_dbf_record)); |
| 1032 | if (!adapter->hba_dbf) |
| 1033 | goto failed; |
| 1034 | debug_register_view(adapter->hba_dbf, &debug_hex_ascii_view); |
| 1035 | debug_register_view(adapter->hba_dbf, &zfcp_hba_dbf_view); |
| 1036 | debug_set_level(adapter->hba_dbf, 3); |
| 1037 | |
| 1038 | /* debug feature area which records SAN command failures and recovery */ |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1039 | sprintf(dbf_name, "zfcp_%s_san", zfcp_get_busid_by_adapter(adapter)); |
| 1040 | adapter->san_dbf = debug_register(dbf_name, dbfsize, 1, |
| 1041 | sizeof(struct zfcp_san_dbf_record)); |
| 1042 | if (!adapter->san_dbf) |
| 1043 | goto failed; |
| 1044 | debug_register_view(adapter->san_dbf, &debug_hex_ascii_view); |
| 1045 | debug_register_view(adapter->san_dbf, &zfcp_san_dbf_view); |
| 1046 | debug_set_level(adapter->san_dbf, 6); |
| 1047 | |
| 1048 | /* debug feature area which records SCSI command failures and recovery */ |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1049 | sprintf(dbf_name, "zfcp_%s_scsi", zfcp_get_busid_by_adapter(adapter)); |
| 1050 | adapter->scsi_dbf = debug_register(dbf_name, dbfsize, 1, |
| 1051 | sizeof(struct zfcp_scsi_dbf_record)); |
| 1052 | if (!adapter->scsi_dbf) |
| 1053 | goto failed; |
| 1054 | debug_register_view(adapter->scsi_dbf, &debug_hex_ascii_view); |
| 1055 | debug_register_view(adapter->scsi_dbf, &zfcp_scsi_dbf_view); |
| 1056 | debug_set_level(adapter->scsi_dbf, 3); |
| 1057 | |
| 1058 | return 0; |
| 1059 | |
| 1060 | failed: |
| 1061 | zfcp_adapter_debug_unregister(adapter); |
| 1062 | |
| 1063 | return -ENOMEM; |
| 1064 | } |
| 1065 | |
| 1066 | /** |
| 1067 | * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter |
| 1068 | * @adapter: pointer to adapter for which debug features should be unregistered |
| 1069 | */ |
| 1070 | void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter) |
| 1071 | { |
| 1072 | debug_unregister(adapter->scsi_dbf); |
| 1073 | debug_unregister(adapter->san_dbf); |
| 1074 | debug_unregister(adapter->hba_dbf); |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 1075 | debug_unregister(adapter->rec_dbf); |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1076 | debug_unregister(adapter->erp_dbf); |
| 1077 | adapter->scsi_dbf = NULL; |
| 1078 | adapter->san_dbf = NULL; |
| 1079 | adapter->hba_dbf = NULL; |
Martin Peschke | d79a83d | 2008-03-27 14:22:00 +0100 | [diff] [blame] | 1080 | adapter->rec_dbf = NULL; |
Maxim Shchetynin | 8a36e45 | 2005-09-13 21:50:38 +0200 | [diff] [blame] | 1081 | adapter->erp_dbf = NULL; |
| 1082 | } |
| 1083 | |
| 1084 | #undef ZFCP_LOG_AREA |