James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
| 3 | * Fibre Channel Host Bus Adapters. * |
| 4 | * Copyright (C) 2007 Emulex. All rights reserved. * |
| 5 | * EMULEX and SLI are trademarks of Emulex. * |
| 6 | * www.emulex.com * |
| 7 | * * |
| 8 | * This program is free software; you can redistribute it and/or * |
| 9 | * modify it under the terms of version 2 of the GNU General * |
| 10 | * Public License as published by the Free Software Foundation. * |
| 11 | * This program is distributed in the hope that it will be useful. * |
| 12 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| 13 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| 15 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| 16 | * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| 17 | * more details, a copy of which can be found in the file COPYING * |
| 18 | * included with this package. * |
| 19 | *******************************************************************/ |
| 20 | |
| 21 | #include <linux/blkdev.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/dma-mapping.h> |
| 24 | #include <linux/idr.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | #include <linux/kthread.h> |
| 27 | #include <linux/pci.h> |
| 28 | #include <linux/spinlock.h> |
| 29 | #include <linux/ctype.h> |
| 30 | #include <linux/version.h> |
| 31 | |
| 32 | #include <scsi/scsi.h> |
| 33 | #include <scsi/scsi_device.h> |
| 34 | #include <scsi/scsi_host.h> |
| 35 | #include <scsi/scsi_transport_fc.h> |
| 36 | |
| 37 | #include "lpfc_hw.h" |
| 38 | #include "lpfc_sli.h" |
| 39 | #include "lpfc_disc.h" |
| 40 | #include "lpfc_scsi.h" |
| 41 | #include "lpfc.h" |
| 42 | #include "lpfc_logmsg.h" |
| 43 | #include "lpfc_crtn.h" |
| 44 | #include "lpfc_vport.h" |
| 45 | #include "lpfc_version.h" |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 46 | #include "lpfc_debugfs.h" |
| 47 | |
| 48 | #ifdef CONFIG_LPFC_DEBUG_FS |
| 49 | /* debugfs interface |
| 50 | * |
| 51 | * To access this interface the user should: |
| 52 | * # mkdir /debug |
| 53 | * # mount -t debugfs none /debug |
| 54 | * |
| 55 | * The lpfc debugfs directory hierachy is: |
| 56 | * lpfc/lpfcX/vportY |
| 57 | * where X is the lpfc hba unique_id |
| 58 | * where Y is the vport VPI on that hba |
| 59 | * |
| 60 | * Debugging services available per vport: |
| 61 | * discovery_trace |
| 62 | * This is an ACSII readable file that contains a trace of the last |
| 63 | * lpfc_debugfs_max_disc_trc events that happened on a specific vport. |
| 64 | * See lpfc_debugfs.h for different categories of |
| 65 | * discovery events. To enable the discovery trace, the following |
| 66 | * module parameters must be set: |
| 67 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support |
| 68 | * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for |
| 69 | * EACH vport. X MUST also be a power of 2. |
| 70 | * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in |
| 71 | * lpfc_debugfs.h . |
| 72 | */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 73 | static int lpfc_debugfs_enable = 1; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 74 | module_param(lpfc_debugfs_enable, int, 0); |
| 75 | MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); |
| 76 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 77 | /* This MUST be a power of 2 */ |
| 78 | static int lpfc_debugfs_max_disc_trc = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 79 | module_param(lpfc_debugfs_max_disc_trc, int, 0); |
| 80 | MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, |
| 81 | "Set debugfs discovery trace depth"); |
| 82 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 83 | /* This MUST be a power of 2 */ |
| 84 | static int lpfc_debugfs_max_slow_ring_trc = 0; |
| 85 | module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); |
| 86 | MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, |
| 87 | "Set debugfs slow ring trace depth"); |
| 88 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 89 | static int lpfc_debugfs_mask_disc_trc = 0; |
| 90 | module_param(lpfc_debugfs_mask_disc_trc, int, 0); |
| 91 | MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, |
| 92 | "Set debugfs discovery trace mask"); |
| 93 | |
| 94 | #include <linux/debugfs.h> |
| 95 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 96 | /* size of output line, for discovery_trace and slow_ring_trace */ |
| 97 | #define LPFC_DEBUG_TRC_ENTRY_SIZE 100 |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 98 | |
| 99 | /* nodelist output buffer size */ |
| 100 | #define LPFC_NODELIST_SIZE 8192 |
| 101 | #define LPFC_NODELIST_ENTRY_SIZE 120 |
| 102 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 103 | /* dumpslim output buffer size */ |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 104 | #define LPFC_DUMPSLIM_SIZE 4096 |
| 105 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 106 | /* hbqinfo output buffer size */ |
| 107 | #define LPFC_HBQINFO_SIZE 8192 |
| 108 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 109 | struct lpfc_debug { |
| 110 | char *buffer; |
| 111 | int len; |
| 112 | }; |
| 113 | |
James Smart | 311464e | 2007-08-02 11:10:37 -0400 | [diff] [blame] | 114 | static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); |
| 115 | static unsigned long lpfc_debugfs_start_time = 0L; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 116 | |
| 117 | static int |
| 118 | lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) |
| 119 | { |
| 120 | int i, index, len, enable; |
| 121 | uint32_t ms; |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 122 | struct lpfc_debugfs_trc *dtp; |
| 123 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 124 | |
| 125 | |
| 126 | enable = lpfc_debugfs_enable; |
| 127 | lpfc_debugfs_enable = 0; |
| 128 | |
| 129 | len = 0; |
| 130 | index = (atomic_read(&vport->disc_trc_cnt) + 1) & |
| 131 | (lpfc_debugfs_max_disc_trc - 1); |
| 132 | for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { |
| 133 | dtp = vport->disc_trc + i; |
| 134 | if (!dtp->fmt) |
| 135 | continue; |
| 136 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 137 | snprintf(buffer, |
| 138 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 139 | dtp->seq_cnt, ms, dtp->fmt); |
| 140 | len += snprintf(buf+len, size-len, buffer, |
| 141 | dtp->data1, dtp->data2, dtp->data3); |
| 142 | } |
| 143 | for (i = 0; i < index; i++) { |
| 144 | dtp = vport->disc_trc + i; |
| 145 | if (!dtp->fmt) |
| 146 | continue; |
| 147 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 148 | snprintf(buffer, |
| 149 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 150 | dtp->seq_cnt, ms, dtp->fmt); |
| 151 | len += snprintf(buf+len, size-len, buffer, |
| 152 | dtp->data1, dtp->data2, dtp->data3); |
| 153 | } |
| 154 | |
| 155 | lpfc_debugfs_enable = enable; |
| 156 | return len; |
| 157 | } |
| 158 | |
| 159 | static int |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 160 | lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) |
| 161 | { |
| 162 | int i, index, len, enable; |
| 163 | uint32_t ms; |
| 164 | struct lpfc_debugfs_trc *dtp; |
| 165 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; |
| 166 | |
| 167 | |
| 168 | enable = lpfc_debugfs_enable; |
| 169 | lpfc_debugfs_enable = 0; |
| 170 | |
| 171 | len = 0; |
| 172 | index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & |
| 173 | (lpfc_debugfs_max_slow_ring_trc - 1); |
| 174 | for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { |
| 175 | dtp = phba->slow_ring_trc + i; |
| 176 | if (!dtp->fmt) |
| 177 | continue; |
| 178 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); |
| 179 | snprintf(buffer, |
| 180 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", |
| 181 | dtp->seq_cnt, ms, dtp->fmt); |
| 182 | len += snprintf(buf+len, size-len, buffer, |
| 183 | dtp->data1, dtp->data2, dtp->data3); |
| 184 | } |
| 185 | for (i = 0; i < index; i++) { |
| 186 | dtp = phba->slow_ring_trc + i; |
| 187 | if (!dtp->fmt) |
| 188 | continue; |
| 189 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); |
| 190 | snprintf(buffer, |
| 191 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", |
| 192 | dtp->seq_cnt, ms, dtp->fmt); |
| 193 | len += snprintf(buf+len, size-len, buffer, |
| 194 | dtp->data1, dtp->data2, dtp->data3); |
| 195 | } |
| 196 | |
| 197 | lpfc_debugfs_enable = enable; |
| 198 | return len; |
| 199 | } |
| 200 | |
James Smart | 311464e | 2007-08-02 11:10:37 -0400 | [diff] [blame] | 201 | static int lpfc_debugfs_last_hbq = -1; |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 202 | |
| 203 | static int |
| 204 | lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) |
| 205 | { |
| 206 | int len = 0; |
| 207 | int cnt, i, j, found, posted, low; |
| 208 | uint32_t phys, raw_index, getidx; |
| 209 | struct lpfc_hbq_init *hip; |
| 210 | struct hbq_s *hbqs; |
| 211 | struct lpfc_hbq_entry *hbqe; |
| 212 | struct lpfc_dmabuf *d_buf; |
| 213 | struct hbq_dmabuf *hbq_buf; |
| 214 | |
| 215 | cnt = LPFC_HBQINFO_SIZE; |
| 216 | spin_lock_irq(&phba->hbalock); |
| 217 | |
| 218 | /* toggle between multiple hbqs, if any */ |
| 219 | i = lpfc_sli_hbq_count(); |
| 220 | if (i > 1) { |
| 221 | lpfc_debugfs_last_hbq++; |
| 222 | if (lpfc_debugfs_last_hbq >= i) |
| 223 | lpfc_debugfs_last_hbq = 0; |
| 224 | } |
| 225 | else |
| 226 | lpfc_debugfs_last_hbq = 0; |
| 227 | |
| 228 | i = lpfc_debugfs_last_hbq; |
| 229 | |
| 230 | len += snprintf(buf+len, size-len, "HBQ %d Info\n", i); |
| 231 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 232 | hbqs = &phba->hbqs[i]; |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 233 | posted = 0; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 234 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 235 | posted++; |
| 236 | |
| 237 | hip = lpfc_hbq_defs[i]; |
| 238 | len += snprintf(buf+len, size-len, |
| 239 | "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n", |
| 240 | hip->hbq_index, hip->profile, hip->rn, |
| 241 | hip->buffer_count, hip->init_count, hip->add_count, posted); |
| 242 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 243 | raw_index = phba->hbq_get[i]; |
| 244 | getidx = le32_to_cpu(raw_index); |
| 245 | len += snprintf(buf+len, size-len, |
| 246 | "entrys:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
| 247 | hbqs->entry_count, hbqs->hbqPutIdx, hbqs->next_hbqPutIdx, |
| 248 | hbqs->local_hbqGetIdx, getidx); |
| 249 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 250 | hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 251 | for (j=0; j<hbqs->entry_count; j++) { |
| 252 | len += snprintf(buf+len, size-len, |
| 253 | "%03d: %08x %04x %05x ", j, |
| 254 | hbqe->bde.addrLow, hbqe->bde.tus.w, hbqe->buffer_tag); |
| 255 | |
| 256 | i = 0; |
| 257 | found = 0; |
| 258 | |
| 259 | /* First calculate if slot has an associated posted buffer */ |
| 260 | low = hbqs->hbqPutIdx - posted; |
| 261 | if (low >= 0) { |
| 262 | if ((j >= hbqs->hbqPutIdx) || (j < low)) { |
| 263 | len += snprintf(buf+len, size-len, "Unused\n"); |
| 264 | goto skipit; |
| 265 | } |
| 266 | } |
| 267 | else { |
| 268 | if ((j >= hbqs->hbqPutIdx) && |
| 269 | (j < (hbqs->entry_count+low))) { |
| 270 | len += snprintf(buf+len, size-len, "Unused\n"); |
| 271 | goto skipit; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | /* Get the Buffer info for the posted buffer */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 276 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 277 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
| 278 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); |
| 279 | if (phys == hbqe->bde.addrLow) { |
| 280 | len += snprintf(buf+len, size-len, |
| 281 | "Buf%d: %p %06x\n", i, |
| 282 | hbq_buf->dbuf.virt, hbq_buf->tag); |
| 283 | found = 1; |
| 284 | break; |
| 285 | } |
| 286 | i++; |
| 287 | } |
| 288 | if (!found) { |
| 289 | len += snprintf(buf+len, size-len, "No DMAinfo?\n"); |
| 290 | } |
| 291 | skipit: |
| 292 | hbqe++; |
| 293 | if (len > LPFC_HBQINFO_SIZE - 54) |
| 294 | break; |
| 295 | } |
| 296 | spin_unlock_irq(&phba->hbalock); |
| 297 | return len; |
| 298 | } |
| 299 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 300 | static int |
| 301 | lpfc_debugfs_dumpslim_data(struct lpfc_hba *phba, char *buf, int size) |
| 302 | { |
| 303 | int len = 0; |
| 304 | int cnt, i, off; |
| 305 | uint32_t word0, word1, word2, word3; |
| 306 | uint32_t *ptr; |
| 307 | struct lpfc_pgp *pgpp; |
| 308 | struct lpfc_sli *psli = &phba->sli; |
| 309 | struct lpfc_sli_ring *pring; |
| 310 | |
| 311 | cnt = LPFC_DUMPSLIM_SIZE; |
| 312 | off = 0; |
| 313 | spin_lock_irq(&phba->hbalock); |
| 314 | |
| 315 | len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); |
| 316 | ptr = (uint32_t *)phba->slim2p; |
| 317 | i = sizeof(MAILBOX_t); |
| 318 | while (i > 0) { |
| 319 | len += snprintf(buf+len, size-len, |
| 320 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
| 321 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), |
| 322 | *(ptr+5), *(ptr+6), *(ptr+7)); |
| 323 | ptr += 8; |
| 324 | i -= (8 * sizeof(uint32_t)); |
| 325 | off += (8 * sizeof(uint32_t)); |
| 326 | } |
| 327 | |
| 328 | len += snprintf(buf+len, size-len, "SLIM PCB\n"); |
| 329 | ptr = (uint32_t *)&phba->slim2p->pcb; |
| 330 | i = sizeof(PCB_t); |
| 331 | while (i > 0) { |
| 332 | len += snprintf(buf+len, size-len, |
| 333 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
| 334 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), |
| 335 | *(ptr+5), *(ptr+6), *(ptr+7)); |
| 336 | ptr += 8; |
| 337 | i -= (8 * sizeof(uint32_t)); |
| 338 | off += (8 * sizeof(uint32_t)); |
| 339 | } |
| 340 | |
| 341 | pgpp = (struct lpfc_pgp *)&phba->slim2p->mbx.us.s3_pgp.port; |
| 342 | pring = &psli->ring[0]; |
| 343 | len += snprintf(buf+len, size-len, |
| 344 | "Ring 0: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " |
| 345 | "RSP PutInx:%d Max:%d\n", |
| 346 | pgpp->cmdGetInx, pring->numCiocb, |
| 347 | pring->next_cmdidx, pring->local_getidx, pring->flag, |
| 348 | pgpp->rspPutInx, pring->numRiocb); |
| 349 | pgpp++; |
| 350 | |
| 351 | pring = &psli->ring[1]; |
| 352 | len += snprintf(buf+len, size-len, |
| 353 | "Ring 1: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " |
| 354 | "RSP PutInx:%d Max:%d\n", |
| 355 | pgpp->cmdGetInx, pring->numCiocb, |
| 356 | pring->next_cmdidx, pring->local_getidx, pring->flag, |
| 357 | pgpp->rspPutInx, pring->numRiocb); |
| 358 | pgpp++; |
| 359 | |
| 360 | pring = &psli->ring[2]; |
| 361 | len += snprintf(buf+len, size-len, |
| 362 | "Ring 2: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " |
| 363 | "RSP PutInx:%d Max:%d\n", |
| 364 | pgpp->cmdGetInx, pring->numCiocb, |
| 365 | pring->next_cmdidx, pring->local_getidx, pring->flag, |
| 366 | pgpp->rspPutInx, pring->numRiocb); |
| 367 | pgpp++; |
| 368 | |
| 369 | pring = &psli->ring[3]; |
| 370 | len += snprintf(buf+len, size-len, |
| 371 | "Ring 3: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " |
| 372 | "RSP PutInx:%d Max:%d\n", |
| 373 | pgpp->cmdGetInx, pring->numCiocb, |
| 374 | pring->next_cmdidx, pring->local_getidx, pring->flag, |
| 375 | pgpp->rspPutInx, pring->numRiocb); |
| 376 | |
| 377 | |
| 378 | ptr = (uint32_t *)&phba->slim2p->mbx.us.s3_pgp.hbq_get; |
| 379 | word0 = readl(phba->HAregaddr); |
| 380 | word1 = readl(phba->CAregaddr); |
| 381 | word2 = readl(phba->HSregaddr); |
| 382 | word3 = readl(phba->HCregaddr); |
| 383 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x HC:%08x\n", |
| 384 | word0, word1, word2, word3); |
| 385 | spin_unlock_irq(&phba->hbalock); |
| 386 | return len; |
| 387 | } |
| 388 | |
| 389 | static int |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 390 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) |
| 391 | { |
| 392 | int len = 0; |
| 393 | int cnt; |
| 394 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 395 | struct lpfc_nodelist *ndlp; |
| 396 | unsigned char *statep, *name; |
| 397 | |
| 398 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); |
| 399 | |
| 400 | spin_lock_irq(shost->host_lock); |
| 401 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
| 402 | if (!cnt) { |
| 403 | len += snprintf(buf+len, size-len, |
| 404 | "Missing Nodelist Entries\n"); |
| 405 | break; |
| 406 | } |
| 407 | cnt--; |
| 408 | switch (ndlp->nlp_state) { |
| 409 | case NLP_STE_UNUSED_NODE: |
| 410 | statep = "UNUSED"; |
| 411 | break; |
| 412 | case NLP_STE_PLOGI_ISSUE: |
| 413 | statep = "PLOGI "; |
| 414 | break; |
| 415 | case NLP_STE_ADISC_ISSUE: |
| 416 | statep = "ADISC "; |
| 417 | break; |
| 418 | case NLP_STE_REG_LOGIN_ISSUE: |
| 419 | statep = "REGLOG"; |
| 420 | break; |
| 421 | case NLP_STE_PRLI_ISSUE: |
| 422 | statep = "PRLI "; |
| 423 | break; |
| 424 | case NLP_STE_UNMAPPED_NODE: |
| 425 | statep = "UNMAP "; |
| 426 | break; |
| 427 | case NLP_STE_MAPPED_NODE: |
| 428 | statep = "MAPPED"; |
| 429 | break; |
| 430 | case NLP_STE_NPR_NODE: |
| 431 | statep = "NPR "; |
| 432 | break; |
| 433 | default: |
| 434 | statep = "UNKNOWN"; |
| 435 | } |
| 436 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", |
| 437 | statep, ndlp->nlp_DID); |
| 438 | name = (unsigned char *)&ndlp->nlp_portname; |
| 439 | len += snprintf(buf+len, size-len, |
| 440 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", |
| 441 | *name, *(name+1), *(name+2), *(name+3), |
| 442 | *(name+4), *(name+5), *(name+6), *(name+7)); |
| 443 | name = (unsigned char *)&ndlp->nlp_nodename; |
| 444 | len += snprintf(buf+len, size-len, |
| 445 | "WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", |
| 446 | *name, *(name+1), *(name+2), *(name+3), |
| 447 | *(name+4), *(name+5), *(name+6), *(name+7)); |
| 448 | len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ", |
| 449 | ndlp->nlp_rpi, ndlp->nlp_flag); |
| 450 | if (!ndlp->nlp_type) |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 451 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 452 | if (ndlp->nlp_type & NLP_FC_NODE) |
| 453 | len += snprintf(buf+len, size-len, "FC_NODE "); |
| 454 | if (ndlp->nlp_type & NLP_FABRIC) |
| 455 | len += snprintf(buf+len, size-len, "FABRIC "); |
| 456 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
| 457 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", |
| 458 | ndlp->nlp_sid); |
| 459 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 460 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
| 461 | len += snprintf(buf+len, size-len, "refcnt:%x", |
| 462 | atomic_read(&ndlp->kref.refcount)); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 463 | len += snprintf(buf+len, size-len, "\n"); |
| 464 | } |
| 465 | spin_unlock_irq(shost->host_lock); |
| 466 | return len; |
| 467 | } |
| 468 | #endif |
| 469 | |
| 470 | |
| 471 | inline void |
| 472 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, |
| 473 | uint32_t data1, uint32_t data2, uint32_t data3) |
| 474 | { |
| 475 | #ifdef CONFIG_LPFC_DEBUG_FS |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 476 | struct lpfc_debugfs_trc *dtp; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 477 | int index; |
| 478 | |
| 479 | if (!(lpfc_debugfs_mask_disc_trc & mask)) |
| 480 | return; |
| 481 | |
| 482 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || |
| 483 | !vport || !vport->disc_trc) |
| 484 | return; |
| 485 | |
| 486 | index = atomic_inc_return(&vport->disc_trc_cnt) & |
| 487 | (lpfc_debugfs_max_disc_trc - 1); |
| 488 | dtp = vport->disc_trc + index; |
| 489 | dtp->fmt = fmt; |
| 490 | dtp->data1 = data1; |
| 491 | dtp->data2 = data2; |
| 492 | dtp->data3 = data3; |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 493 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
| 494 | dtp->jif = jiffies; |
| 495 | #endif |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | inline void |
| 500 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, |
| 501 | uint32_t data1, uint32_t data2, uint32_t data3) |
| 502 | { |
| 503 | #ifdef CONFIG_LPFC_DEBUG_FS |
| 504 | struct lpfc_debugfs_trc *dtp; |
| 505 | int index; |
| 506 | |
| 507 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || |
| 508 | !phba || !phba->slow_ring_trc) |
| 509 | return; |
| 510 | |
| 511 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & |
| 512 | (lpfc_debugfs_max_slow_ring_trc - 1); |
| 513 | dtp = phba->slow_ring_trc + index; |
| 514 | dtp->fmt = fmt; |
| 515 | dtp->data1 = data1; |
| 516 | dtp->data2 = data2; |
| 517 | dtp->data3 = data3; |
| 518 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 519 | dtp->jif = jiffies; |
| 520 | #endif |
| 521 | return; |
| 522 | } |
| 523 | |
| 524 | #ifdef CONFIG_LPFC_DEBUG_FS |
| 525 | static int |
| 526 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) |
| 527 | { |
| 528 | struct lpfc_vport *vport = inode->i_private; |
| 529 | struct lpfc_debug *debug; |
| 530 | int size; |
| 531 | int rc = -ENOMEM; |
| 532 | |
| 533 | if (!lpfc_debugfs_max_disc_trc) { |
| 534 | rc = -ENOSPC; |
| 535 | goto out; |
| 536 | } |
| 537 | |
| 538 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); |
| 539 | if (!debug) |
| 540 | goto out; |
| 541 | |
| 542 | /* Round to page boundry */ |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 543 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 544 | size = PAGE_ALIGN(size); |
| 545 | |
| 546 | debug->buffer = kmalloc(size, GFP_KERNEL); |
| 547 | if (!debug->buffer) { |
| 548 | kfree(debug); |
| 549 | goto out; |
| 550 | } |
| 551 | |
| 552 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); |
| 553 | file->private_data = debug; |
| 554 | |
| 555 | rc = 0; |
| 556 | out: |
| 557 | return rc; |
| 558 | } |
| 559 | |
| 560 | static int |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 561 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) |
| 562 | { |
| 563 | struct lpfc_hba *phba = inode->i_private; |
| 564 | struct lpfc_debug *debug; |
| 565 | int size; |
| 566 | int rc = -ENOMEM; |
| 567 | |
| 568 | if (!lpfc_debugfs_max_slow_ring_trc) { |
| 569 | rc = -ENOSPC; |
| 570 | goto out; |
| 571 | } |
| 572 | |
| 573 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); |
| 574 | if (!debug) |
| 575 | goto out; |
| 576 | |
| 577 | /* Round to page boundry */ |
| 578 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
| 579 | size = PAGE_ALIGN(size); |
| 580 | |
| 581 | debug->buffer = kmalloc(size, GFP_KERNEL); |
| 582 | if (!debug->buffer) { |
| 583 | kfree(debug); |
| 584 | goto out; |
| 585 | } |
| 586 | |
| 587 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); |
| 588 | file->private_data = debug; |
| 589 | |
| 590 | rc = 0; |
| 591 | out: |
| 592 | return rc; |
| 593 | } |
| 594 | |
| 595 | static int |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 596 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) |
| 597 | { |
| 598 | struct lpfc_hba *phba = inode->i_private; |
| 599 | struct lpfc_debug *debug; |
| 600 | int rc = -ENOMEM; |
| 601 | |
| 602 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); |
| 603 | if (!debug) |
| 604 | goto out; |
| 605 | |
| 606 | /* Round to page boundry */ |
| 607 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
| 608 | if (!debug->buffer) { |
| 609 | kfree(debug); |
| 610 | goto out; |
| 611 | } |
| 612 | |
| 613 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, |
| 614 | LPFC_HBQINFO_SIZE); |
| 615 | file->private_data = debug; |
| 616 | |
| 617 | rc = 0; |
| 618 | out: |
| 619 | return rc; |
| 620 | } |
| 621 | |
| 622 | static int |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 623 | lpfc_debugfs_dumpslim_open(struct inode *inode, struct file *file) |
| 624 | { |
| 625 | struct lpfc_hba *phba = inode->i_private; |
| 626 | struct lpfc_debug *debug; |
| 627 | int rc = -ENOMEM; |
| 628 | |
| 629 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); |
| 630 | if (!debug) |
| 631 | goto out; |
| 632 | |
| 633 | /* Round to page boundry */ |
| 634 | debug->buffer = kmalloc(LPFC_DUMPSLIM_SIZE, GFP_KERNEL); |
| 635 | if (!debug->buffer) { |
| 636 | kfree(debug); |
| 637 | goto out; |
| 638 | } |
| 639 | |
| 640 | debug->len = lpfc_debugfs_dumpslim_data(phba, debug->buffer, |
| 641 | LPFC_DUMPSLIM_SIZE); |
| 642 | file->private_data = debug; |
| 643 | |
| 644 | rc = 0; |
| 645 | out: |
| 646 | return rc; |
| 647 | } |
| 648 | |
| 649 | static int |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 650 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) |
| 651 | { |
| 652 | struct lpfc_vport *vport = inode->i_private; |
| 653 | struct lpfc_debug *debug; |
| 654 | int rc = -ENOMEM; |
| 655 | |
| 656 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); |
| 657 | if (!debug) |
| 658 | goto out; |
| 659 | |
| 660 | /* Round to page boundry */ |
| 661 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
| 662 | if (!debug->buffer) { |
| 663 | kfree(debug); |
| 664 | goto out; |
| 665 | } |
| 666 | |
| 667 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, |
| 668 | LPFC_NODELIST_SIZE); |
| 669 | file->private_data = debug; |
| 670 | |
| 671 | rc = 0; |
| 672 | out: |
| 673 | return rc; |
| 674 | } |
| 675 | |
| 676 | static loff_t |
| 677 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) |
| 678 | { |
| 679 | struct lpfc_debug *debug; |
| 680 | loff_t pos = -1; |
| 681 | |
| 682 | debug = file->private_data; |
| 683 | |
| 684 | switch (whence) { |
| 685 | case 0: |
| 686 | pos = off; |
| 687 | break; |
| 688 | case 1: |
| 689 | pos = file->f_pos + off; |
| 690 | break; |
| 691 | case 2: |
| 692 | pos = debug->len - off; |
| 693 | } |
| 694 | return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); |
| 695 | } |
| 696 | |
| 697 | static ssize_t |
| 698 | lpfc_debugfs_read(struct file *file, char __user *buf, |
| 699 | size_t nbytes, loff_t *ppos) |
| 700 | { |
| 701 | struct lpfc_debug *debug = file->private_data; |
| 702 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, |
| 703 | debug->len); |
| 704 | } |
| 705 | |
| 706 | static int |
| 707 | lpfc_debugfs_release(struct inode *inode, struct file *file) |
| 708 | { |
| 709 | struct lpfc_debug *debug = file->private_data; |
| 710 | |
| 711 | kfree(debug->buffer); |
| 712 | kfree(debug); |
| 713 | |
| 714 | return 0; |
| 715 | } |
| 716 | |
| 717 | #undef lpfc_debugfs_op_disc_trc |
| 718 | static struct file_operations lpfc_debugfs_op_disc_trc = { |
| 719 | .owner = THIS_MODULE, |
| 720 | .open = lpfc_debugfs_disc_trc_open, |
| 721 | .llseek = lpfc_debugfs_lseek, |
| 722 | .read = lpfc_debugfs_read, |
| 723 | .release = lpfc_debugfs_release, |
| 724 | }; |
| 725 | |
| 726 | #undef lpfc_debugfs_op_nodelist |
| 727 | static struct file_operations lpfc_debugfs_op_nodelist = { |
| 728 | .owner = THIS_MODULE, |
| 729 | .open = lpfc_debugfs_nodelist_open, |
| 730 | .llseek = lpfc_debugfs_lseek, |
| 731 | .read = lpfc_debugfs_read, |
| 732 | .release = lpfc_debugfs_release, |
| 733 | }; |
| 734 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 735 | #undef lpfc_debugfs_op_hbqinfo |
| 736 | static struct file_operations lpfc_debugfs_op_hbqinfo = { |
| 737 | .owner = THIS_MODULE, |
| 738 | .open = lpfc_debugfs_hbqinfo_open, |
| 739 | .llseek = lpfc_debugfs_lseek, |
| 740 | .read = lpfc_debugfs_read, |
| 741 | .release = lpfc_debugfs_release, |
| 742 | }; |
| 743 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 744 | #undef lpfc_debugfs_op_dumpslim |
| 745 | static struct file_operations lpfc_debugfs_op_dumpslim = { |
| 746 | .owner = THIS_MODULE, |
| 747 | .open = lpfc_debugfs_dumpslim_open, |
| 748 | .llseek = lpfc_debugfs_lseek, |
| 749 | .read = lpfc_debugfs_read, |
| 750 | .release = lpfc_debugfs_release, |
| 751 | }; |
| 752 | |
| 753 | #undef lpfc_debugfs_op_slow_ring_trc |
| 754 | static struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
| 755 | .owner = THIS_MODULE, |
| 756 | .open = lpfc_debugfs_slow_ring_trc_open, |
| 757 | .llseek = lpfc_debugfs_lseek, |
| 758 | .read = lpfc_debugfs_read, |
| 759 | .release = lpfc_debugfs_release, |
| 760 | }; |
| 761 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 762 | static struct dentry *lpfc_debugfs_root = NULL; |
| 763 | static atomic_t lpfc_debugfs_hba_count; |
| 764 | #endif |
| 765 | |
| 766 | inline void |
| 767 | lpfc_debugfs_initialize(struct lpfc_vport *vport) |
| 768 | { |
| 769 | #ifdef CONFIG_LPFC_DEBUG_FS |
| 770 | struct lpfc_hba *phba = vport->phba; |
| 771 | char name[64]; |
| 772 | uint32_t num, i; |
| 773 | |
| 774 | if (!lpfc_debugfs_enable) |
| 775 | return; |
| 776 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 777 | /* Setup lpfc root directory */ |
| 778 | if (!lpfc_debugfs_root) { |
| 779 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); |
| 780 | atomic_set(&lpfc_debugfs_hba_count, 0); |
| 781 | if (!lpfc_debugfs_root) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 782 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 783 | "0409 Cannot create debugfs root\n"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 784 | goto debug_failed; |
| 785 | } |
| 786 | } |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 787 | if (!lpfc_debugfs_start_time) |
| 788 | lpfc_debugfs_start_time = jiffies; |
| 789 | |
| 790 | /* Setup lpfcX directory for specific HBA */ |
| 791 | snprintf(name, sizeof(name), "lpfc%d", phba->brd_no); |
| 792 | if (!phba->hba_debugfs_root) { |
| 793 | phba->hba_debugfs_root = |
| 794 | debugfs_create_dir(name, lpfc_debugfs_root); |
| 795 | if (!phba->hba_debugfs_root) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 796 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 797 | "0409 Cannot create debugfs hba\n"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 798 | goto debug_failed; |
| 799 | } |
| 800 | atomic_inc(&lpfc_debugfs_hba_count); |
| 801 | atomic_set(&phba->debugfs_vport_count, 0); |
| 802 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 803 | /* Setup hbqinfo */ |
| 804 | snprintf(name, sizeof(name), "hbqinfo"); |
| 805 | phba->debug_hbqinfo = |
| 806 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
| 807 | phba->hba_debugfs_root, |
| 808 | phba, &lpfc_debugfs_op_hbqinfo); |
| 809 | if (!phba->debug_hbqinfo) { |
| 810 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 811 | "0409 Cannot create debugfs hbqinfo\n"); |
| 812 | goto debug_failed; |
| 813 | } |
| 814 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 815 | /* Setup dumpslim */ |
| 816 | snprintf(name, sizeof(name), "dumpslim"); |
| 817 | phba->debug_dumpslim = |
| 818 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
| 819 | phba->hba_debugfs_root, |
| 820 | phba, &lpfc_debugfs_op_dumpslim); |
| 821 | if (!phba->debug_dumpslim) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 822 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 823 | "0409 Cannot create debugfs dumpslim\n"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 824 | goto debug_failed; |
| 825 | } |
| 826 | |
| 827 | /* Setup slow ring trace */ |
| 828 | if (lpfc_debugfs_max_slow_ring_trc) { |
| 829 | num = lpfc_debugfs_max_slow_ring_trc - 1; |
| 830 | if (num & lpfc_debugfs_max_slow_ring_trc) { |
| 831 | /* Change to be a power of 2 */ |
| 832 | num = lpfc_debugfs_max_slow_ring_trc; |
| 833 | i = 0; |
| 834 | while (num > 1) { |
| 835 | num = num >> 1; |
| 836 | i++; |
| 837 | } |
| 838 | lpfc_debugfs_max_slow_ring_trc = (1 << i); |
| 839 | printk(KERN_ERR |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 840 | "lpfc_debugfs_max_disc_trc changed to " |
| 841 | "%d\n", lpfc_debugfs_max_disc_trc); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 842 | } |
| 843 | } |
| 844 | |
| 845 | |
| 846 | snprintf(name, sizeof(name), "slow_ring_trace"); |
| 847 | phba->debug_slow_ring_trc = |
| 848 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
| 849 | phba->hba_debugfs_root, |
| 850 | phba, &lpfc_debugfs_op_slow_ring_trc); |
| 851 | if (!phba->debug_slow_ring_trc) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 852 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 853 | "0409 Cannot create debugfs " |
| 854 | "slow_ring_trace\n"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 855 | goto debug_failed; |
| 856 | } |
| 857 | if (!phba->slow_ring_trc) { |
| 858 | phba->slow_ring_trc = kmalloc( |
| 859 | (sizeof(struct lpfc_debugfs_trc) * |
| 860 | lpfc_debugfs_max_slow_ring_trc), |
| 861 | GFP_KERNEL); |
| 862 | if (!phba->slow_ring_trc) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 863 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 864 | "0409 Cannot create debugfs " |
| 865 | "slow_ring buffer\n"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 866 | goto debug_failed; |
| 867 | } |
| 868 | atomic_set(&phba->slow_ring_trc_cnt, 0); |
| 869 | memset(phba->slow_ring_trc, 0, |
| 870 | (sizeof(struct lpfc_debugfs_trc) * |
| 871 | lpfc_debugfs_max_slow_ring_trc)); |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | snprintf(name, sizeof(name), "vport%d", vport->vpi); |
| 876 | if (!vport->vport_debugfs_root) { |
| 877 | vport->vport_debugfs_root = |
| 878 | debugfs_create_dir(name, phba->hba_debugfs_root); |
| 879 | if (!vport->vport_debugfs_root) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 880 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 881 | "0409 Cant create debugfs"); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 882 | goto debug_failed; |
| 883 | } |
| 884 | atomic_inc(&phba->debugfs_vport_count); |
| 885 | } |
| 886 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 887 | if (lpfc_debugfs_max_disc_trc) { |
| 888 | num = lpfc_debugfs_max_disc_trc - 1; |
| 889 | if (num & lpfc_debugfs_max_disc_trc) { |
| 890 | /* Change to be a power of 2 */ |
| 891 | num = lpfc_debugfs_max_disc_trc; |
| 892 | i = 0; |
| 893 | while (num > 1) { |
| 894 | num = num >> 1; |
| 895 | i++; |
| 896 | } |
| 897 | lpfc_debugfs_max_disc_trc = (1 << i); |
| 898 | printk(KERN_ERR |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 899 | "lpfc_debugfs_max_disc_trc changed to %d\n", |
| 900 | lpfc_debugfs_max_disc_trc); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 901 | } |
| 902 | } |
| 903 | |
Mariusz Kozlowski | bbfbbbc | 2007-08-11 10:13:24 +0200 | [diff] [blame] | 904 | vport->disc_trc = kmzlloc( |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 905 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 906 | GFP_KERNEL); |
| 907 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 908 | if (!vport->disc_trc) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 909 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 910 | "0409 Cannot create debugfs disc trace " |
| 911 | "buffer\n"); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 912 | goto debug_failed; |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 913 | } |
| 914 | atomic_set(&vport->disc_trc_cnt, 0); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 915 | |
| 916 | snprintf(name, sizeof(name), "discovery_trace"); |
| 917 | vport->debug_disc_trc = |
| 918 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
| 919 | vport->vport_debugfs_root, |
| 920 | vport, &lpfc_debugfs_op_disc_trc); |
| 921 | if (!vport->debug_disc_trc) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 922 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 923 | "0409 Cannot create debugfs " |
| 924 | "discovery_trace\n"); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 925 | goto debug_failed; |
| 926 | } |
| 927 | snprintf(name, sizeof(name), "nodelist"); |
| 928 | vport->debug_nodelist = |
| 929 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
| 930 | vport->vport_debugfs_root, |
| 931 | vport, &lpfc_debugfs_op_nodelist); |
| 932 | if (!vport->debug_nodelist) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 933 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| 934 | "0409 Cant create debugfs nodelist"); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 935 | goto debug_failed; |
| 936 | } |
| 937 | debug_failed: |
| 938 | return; |
| 939 | #endif |
| 940 | } |
| 941 | |
| 942 | |
| 943 | inline void |
| 944 | lpfc_debugfs_terminate(struct lpfc_vport *vport) |
| 945 | { |
| 946 | #ifdef CONFIG_LPFC_DEBUG_FS |
| 947 | struct lpfc_hba *phba = vport->phba; |
| 948 | |
| 949 | if (vport->disc_trc) { |
| 950 | kfree(vport->disc_trc); |
| 951 | vport->disc_trc = NULL; |
| 952 | } |
| 953 | if (vport->debug_disc_trc) { |
| 954 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ |
| 955 | vport->debug_disc_trc = NULL; |
| 956 | } |
| 957 | if (vport->debug_nodelist) { |
| 958 | debugfs_remove(vport->debug_nodelist); /* nodelist */ |
| 959 | vport->debug_nodelist = NULL; |
| 960 | } |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 961 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 962 | if (vport->vport_debugfs_root) { |
| 963 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ |
| 964 | vport->vport_debugfs_root = NULL; |
| 965 | atomic_dec(&phba->debugfs_vport_count); |
| 966 | } |
| 967 | if (atomic_read(&phba->debugfs_vport_count) == 0) { |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 968 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 969 | if (phba->debug_hbqinfo) { |
| 970 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ |
| 971 | phba->debug_hbqinfo = NULL; |
| 972 | } |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 973 | if (phba->debug_dumpslim) { |
| 974 | debugfs_remove(phba->debug_dumpslim); /* dumpslim */ |
| 975 | phba->debug_dumpslim = NULL; |
| 976 | } |
| 977 | if (phba->slow_ring_trc) { |
| 978 | kfree(phba->slow_ring_trc); |
| 979 | phba->slow_ring_trc = NULL; |
| 980 | } |
| 981 | if (phba->debug_slow_ring_trc) { |
| 982 | /* slow_ring_trace */ |
| 983 | debugfs_remove(phba->debug_slow_ring_trc); |
| 984 | phba->debug_slow_ring_trc = NULL; |
| 985 | } |
| 986 | |
| 987 | if (phba->hba_debugfs_root) { |
| 988 | debugfs_remove(phba->hba_debugfs_root); /* lpfcX */ |
| 989 | phba->hba_debugfs_root = NULL; |
| 990 | atomic_dec(&lpfc_debugfs_hba_count); |
| 991 | } |
| 992 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 993 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
| 994 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ |
| 995 | lpfc_debugfs_root = NULL; |
| 996 | } |
| 997 | } |
| 998 | #endif |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 999 | return; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | |