1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic Fibre Channel HBA Driver 4 * Copyright (c) 2003-2014 QLogic Corporation 5 */ 6 #include "qla_def.h" 7 #include "qla_tmpl.h" 8 9 #define ISPREG(vha) (&(vha)->hw->iobase->isp24) 10 #define IOBAR(reg) offsetof(typeof(*(reg)), iobase_addr) 11 #define IOBASE(vha) IOBAR(ISPREG(vha)) 12 #define INVALID_ENTRY ((struct qla27xx_fwdt_entry *)0xffffffffffffffffUL) 13 14 static inline void 15 qla27xx_insert16(uint16_t value, void *buf, ulong *len) 16 { 17 if (buf) { 18 buf += *len; 19 *(__le16 *)buf = cpu_to_le16(value); 20 } 21 *len += sizeof(value); 22 } 23 24 static inline void 25 qla27xx_insert32(uint32_t value, void *buf, ulong *len) 26 { 27 if (buf) { 28 buf += *len; 29 *(__le32 *)buf = cpu_to_le32(value); 30 } 31 *len += sizeof(value); 32 } 33 34 static inline void 35 qla27xx_insertbuf(void *mem, ulong size, void *buf, ulong *len) 36 { 37 if (buf && mem && size) { 38 buf += *len; 39 memcpy(buf, mem, size); 40 } 41 *len += size; 42 } 43 44 static inline void 45 qla27xx_read8(void __iomem *window, void *buf, ulong *len) 46 { 47 uint8_t value = ~0; 48 49 if (buf) { 50 value = rd_reg_byte(window); 51 } 52 qla27xx_insert32(value, buf, len); 53 } 54 55 static inline void 56 qla27xx_read16(void __iomem *window, void *buf, ulong *len) 57 { 58 uint16_t value = ~0; 59 60 if (buf) { 61 value = rd_reg_word(window); 62 } 63 qla27xx_insert32(value, buf, len); 64 } 65 66 static inline void 67 qla27xx_read32(void __iomem *window, void *buf, ulong *len) 68 { 69 uint32_t value = ~0; 70 71 if (buf) { 72 value = rd_reg_dword(window); 73 } 74 qla27xx_insert32(value, buf, len); 75 } 76 77 static inline void (*qla27xx_read_vector(uint width))(void __iomem*, void *, ulong *) 78 { 79 return 80 (width == 1) ? qla27xx_read8 : 81 (width == 2) ? qla27xx_read16 : 82 qla27xx_read32; 83 } 84 85 static inline void 86 qla27xx_read_reg(__iomem struct device_reg_24xx *reg, 87 uint offset, void *buf, ulong *len) 88 { 89 void __iomem *window = (void __iomem *)reg + offset; 90 91 qla27xx_read32(window, buf, len); 92 } 93 94 static inline void 95 qla27xx_write_reg(__iomem struct device_reg_24xx *reg, 96 uint offset, uint32_t data, void *buf) 97 { 98 if (buf) { 99 void __iomem *window = (void __iomem *)reg + offset; 100 101 wrt_reg_dword(window, data); 102 } 103 } 104 105 static inline void 106 qla27xx_read_window(__iomem struct device_reg_24xx *reg, 107 uint32_t addr, uint offset, uint count, uint width, void *buf, 108 ulong *len) 109 { 110 void __iomem *window = (void __iomem *)reg + offset; 111 void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width); 112 113 qla27xx_write_reg(reg, IOBAR(reg), addr, buf); 114 while (count--) { 115 qla27xx_insert32(addr, buf, len); 116 readn(window, buf, len); 117 window += width; 118 addr++; 119 } 120 } 121 122 static inline void 123 qla27xx_skip_entry(struct qla27xx_fwdt_entry *ent, void *buf) 124 { 125 if (buf) 126 ent->hdr.driver_flags |= DRIVER_FLAG_SKIP_ENTRY; 127 } 128 129 static inline struct qla27xx_fwdt_entry * 130 qla27xx_next_entry(struct qla27xx_fwdt_entry *ent) 131 { 132 return (void *)ent + le32_to_cpu(ent->hdr.size); 133 } 134 135 static struct qla27xx_fwdt_entry * 136 qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha, 137 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 138 { 139 ql_dbg(ql_dbg_misc, vha, 0xd100, 140 "%s: nop [%lx]\n", __func__, *len); 141 qla27xx_skip_entry(ent, buf); 142 143 return qla27xx_next_entry(ent); 144 } 145 146 static struct qla27xx_fwdt_entry * 147 qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha, 148 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 149 { 150 ql_dbg(ql_dbg_misc, vha, 0xd1ff, 151 "%s: end [%lx]\n", __func__, *len); 152 qla27xx_skip_entry(ent, buf); 153 154 /* terminate */ 155 return NULL; 156 } 157 158 static struct qla27xx_fwdt_entry * 159 qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, 160 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 161 { 162 ulong addr = le32_to_cpu(ent->t256.base_addr); 163 uint offset = ent->t256.pci_offset; 164 ulong count = le16_to_cpu(ent->t256.reg_count); 165 uint width = ent->t256.reg_width; 166 167 ql_dbg(ql_dbg_misc, vha, 0xd200, 168 "%s: rdio t1 [%lx]\n", __func__, *len); 169 qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); 170 171 return qla27xx_next_entry(ent); 172 } 173 174 static struct qla27xx_fwdt_entry * 175 qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, 176 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 177 { 178 ulong addr = le32_to_cpu(ent->t257.base_addr); 179 uint offset = ent->t257.pci_offset; 180 ulong data = le32_to_cpu(ent->t257.write_data); 181 182 ql_dbg(ql_dbg_misc, vha, 0xd201, 183 "%s: wrio t1 [%lx]\n", __func__, *len); 184 qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); 185 qla27xx_write_reg(ISPREG(vha), offset, data, buf); 186 187 return qla27xx_next_entry(ent); 188 } 189 190 static struct qla27xx_fwdt_entry * 191 qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, 192 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 193 { 194 uint banksel = ent->t258.banksel_offset; 195 ulong bank = le32_to_cpu(ent->t258.bank); 196 ulong addr = le32_to_cpu(ent->t258.base_addr); 197 uint offset = ent->t258.pci_offset; 198 uint count = le16_to_cpu(ent->t258.reg_count); 199 uint width = ent->t258.reg_width; 200 201 ql_dbg(ql_dbg_misc, vha, 0xd202, 202 "%s: rdio t2 [%lx]\n", __func__, *len); 203 qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); 204 qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); 205 206 return qla27xx_next_entry(ent); 207 } 208 209 static struct qla27xx_fwdt_entry * 210 qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, 211 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 212 { 213 ulong addr = le32_to_cpu(ent->t259.base_addr); 214 uint banksel = ent->t259.banksel_offset; 215 ulong bank = le32_to_cpu(ent->t259.bank); 216 uint offset = ent->t259.pci_offset; 217 ulong data = le32_to_cpu(ent->t259.write_data); 218 219 ql_dbg(ql_dbg_misc, vha, 0xd203, 220 "%s: wrio t2 [%lx]\n", __func__, *len); 221 qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); 222 qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); 223 qla27xx_write_reg(ISPREG(vha), offset, data, buf); 224 225 return qla27xx_next_entry(ent); 226 } 227 228 static struct qla27xx_fwdt_entry * 229 qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha, 230 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 231 { 232 uint offset = ent->t260.pci_offset; 233 234 ql_dbg(ql_dbg_misc, vha, 0xd204, 235 "%s: rdpci [%lx]\n", __func__, *len); 236 qla27xx_insert32(offset, buf, len); 237 qla27xx_read_reg(ISPREG(vha), offset, buf, len); 238 239 return qla27xx_next_entry(ent); 240 } 241 242 static struct qla27xx_fwdt_entry * 243 qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, 244 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 245 { 246 uint offset = ent->t261.pci_offset; 247 ulong data = le32_to_cpu(ent->t261.write_data); 248 249 ql_dbg(ql_dbg_misc, vha, 0xd205, 250 "%s: wrpci [%lx]\n", __func__, *len); 251 qla27xx_write_reg(ISPREG(vha), offset, data, buf); 252 253 return qla27xx_next_entry(ent); 254 } 255 256 static struct qla27xx_fwdt_entry * 257 qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha, 258 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 259 { 260 uint area = ent->t262.ram_area; 261 ulong start = le32_to_cpu(ent->t262.start_addr); 262 ulong end = le32_to_cpu(ent->t262.end_addr); 263 ulong dwords; 264 int rc; 265 266 ql_dbg(ql_dbg_misc, vha, 0xd206, 267 "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len); 268 269 if (area == T262_RAM_AREA_CRITICAL_RAM) { 270 ; 271 } else if (area == T262_RAM_AREA_EXTERNAL_RAM) { 272 end = vha->hw->fw_memory_size; 273 if (buf) 274 ent->t262.end_addr = cpu_to_le32(end); 275 } else if (area == T262_RAM_AREA_SHARED_RAM) { 276 start = vha->hw->fw_shared_ram_start; 277 end = vha->hw->fw_shared_ram_end; 278 if (buf) { 279 ent->t262.start_addr = cpu_to_le32(start); 280 ent->t262.end_addr = cpu_to_le32(end); 281 } 282 } else if (area == T262_RAM_AREA_DDR_RAM) { 283 start = vha->hw->fw_ddr_ram_start; 284 end = vha->hw->fw_ddr_ram_end; 285 if (buf) { 286 ent->t262.start_addr = cpu_to_le32(start); 287 ent->t262.end_addr = cpu_to_le32(end); 288 } 289 } else if (area == T262_RAM_AREA_MISC) { 290 if (buf) { 291 ent->t262.start_addr = cpu_to_le32(start); 292 ent->t262.end_addr = cpu_to_le32(end); 293 } 294 } else { 295 ql_dbg(ql_dbg_misc, vha, 0xd022, 296 "%s: unknown area %x\n", __func__, area); 297 qla27xx_skip_entry(ent, buf); 298 goto done; 299 } 300 301 if (end < start || start == 0 || end == 0) { 302 ql_dbg(ql_dbg_misc, vha, 0xd023, 303 "%s: unusable range (start=%lx end=%lx)\n", 304 __func__, start, end); 305 qla27xx_skip_entry(ent, buf); 306 goto done; 307 } 308 309 dwords = end - start + 1; 310 if (buf) { 311 buf += *len; 312 rc = qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf); 313 if (rc != QLA_SUCCESS) { 314 ql_dbg(ql_dbg_async, vha, 0xffff, 315 "%s: dump ram MB failed. Area %xh start %lxh end %lxh\n", 316 __func__, area, start, end); 317 return INVALID_ENTRY; 318 } 319 } 320 *len += dwords * sizeof(uint32_t); 321 done: 322 return qla27xx_next_entry(ent); 323 } 324 325 static struct qla27xx_fwdt_entry * 326 qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, 327 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 328 { 329 uint type = ent->t263.queue_type; 330 uint count = 0; 331 uint i; 332 uint length; 333 334 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd207, 335 "%s: getq(%x) [%lx]\n", __func__, type, *len); 336 if (type == T263_QUEUE_TYPE_REQ) { 337 for (i = 0; i < vha->hw->max_req_queues; i++) { 338 struct req_que *req = vha->hw->req_q_map[i]; 339 340 if (req || !buf) { 341 length = req ? 342 req->length : REQUEST_ENTRY_CNT_24XX; 343 qla27xx_insert16(i, buf, len); 344 qla27xx_insert16(length, buf, len); 345 qla27xx_insertbuf(req ? req->ring : NULL, 346 length * sizeof(*req->ring), buf, len); 347 count++; 348 } 349 } 350 } else if (type == T263_QUEUE_TYPE_RSP) { 351 for (i = 0; i < vha->hw->max_rsp_queues; i++) { 352 struct rsp_que *rsp = vha->hw->rsp_q_map[i]; 353 354 if (rsp || !buf) { 355 length = rsp ? 356 rsp->length : RESPONSE_ENTRY_CNT_MQ; 357 qla27xx_insert16(i, buf, len); 358 qla27xx_insert16(length, buf, len); 359 qla27xx_insertbuf(rsp ? rsp->ring : NULL, 360 length * sizeof(*rsp->ring), buf, len); 361 count++; 362 } 363 } 364 } else if (QLA_TGT_MODE_ENABLED() && 365 ent->t263.queue_type == T263_QUEUE_TYPE_ATIO) { 366 struct qla_hw_data *ha = vha->hw; 367 struct atio *atr = ha->tgt.atio_ring; 368 369 if (atr || !buf) { 370 length = ha->tgt.atio_q_length; 371 qla27xx_insert16(0, buf, len); 372 qla27xx_insert16(length, buf, len); 373 qla27xx_insertbuf(atr, length * sizeof(*atr), buf, len); 374 count++; 375 } 376 } else { 377 ql_dbg(ql_dbg_misc, vha, 0xd026, 378 "%s: unknown queue %x\n", __func__, type); 379 qla27xx_skip_entry(ent, buf); 380 } 381 382 if (buf) { 383 if (count) 384 ent->t263.num_queues = count; 385 else 386 qla27xx_skip_entry(ent, buf); 387 } 388 389 return qla27xx_next_entry(ent); 390 } 391 392 static struct qla27xx_fwdt_entry * 393 qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha, 394 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 395 { 396 ql_dbg(ql_dbg_misc, vha, 0xd208, 397 "%s: getfce [%lx]\n", __func__, *len); 398 if (vha->hw->fce) { 399 if (buf) { 400 ent->t264.fce_trace_size = FCE_SIZE; 401 ent->t264.write_pointer = vha->hw->fce_wr; 402 ent->t264.base_pointer = vha->hw->fce_dma; 403 ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0]; 404 ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2]; 405 ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3]; 406 ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4]; 407 ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5]; 408 ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6]; 409 } 410 qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len); 411 } else { 412 ql_dbg(ql_dbg_misc, vha, 0xd027, 413 "%s: missing fce\n", __func__); 414 qla27xx_skip_entry(ent, buf); 415 } 416 417 return qla27xx_next_entry(ent); 418 } 419 420 static struct qla27xx_fwdt_entry * 421 qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha, 422 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 423 { 424 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd209, 425 "%s: pause risc [%lx]\n", __func__, *len); 426 if (buf) 427 qla24xx_pause_risc(ISPREG(vha), vha->hw); 428 429 return qla27xx_next_entry(ent); 430 } 431 432 static struct qla27xx_fwdt_entry * 433 qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha, 434 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 435 { 436 ql_dbg(ql_dbg_misc, vha, 0xd20a, 437 "%s: reset risc [%lx]\n", __func__, *len); 438 if (buf) 439 WARN_ON_ONCE(qla24xx_soft_reset(vha->hw) != QLA_SUCCESS); 440 441 return qla27xx_next_entry(ent); 442 } 443 444 static struct qla27xx_fwdt_entry * 445 qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, 446 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 447 { 448 uint offset = ent->t267.pci_offset; 449 ulong data = le32_to_cpu(ent->t267.data); 450 451 ql_dbg(ql_dbg_misc, vha, 0xd20b, 452 "%s: dis intr [%lx]\n", __func__, *len); 453 qla27xx_write_reg(ISPREG(vha), offset, data, buf); 454 455 return qla27xx_next_entry(ent); 456 } 457 458 static struct qla27xx_fwdt_entry * 459 qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha, 460 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 461 { 462 ql_dbg(ql_dbg_misc, vha, 0xd20c, 463 "%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len); 464 switch (ent->t268.buf_type) { 465 case T268_BUF_TYPE_EXTD_TRACE: 466 if (vha->hw->eft) { 467 if (buf) { 468 ent->t268.buf_size = EFT_SIZE; 469 ent->t268.start_addr = vha->hw->eft_dma; 470 } 471 qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len); 472 } else { 473 ql_dbg(ql_dbg_misc, vha, 0xd028, 474 "%s: missing eft\n", __func__); 475 qla27xx_skip_entry(ent, buf); 476 } 477 break; 478 case T268_BUF_TYPE_EXCH_BUFOFF: 479 if (vha->hw->exchoffld_buf) { 480 if (buf) { 481 ent->t268.buf_size = vha->hw->exchoffld_size; 482 ent->t268.start_addr = 483 vha->hw->exchoffld_buf_dma; 484 } 485 qla27xx_insertbuf(vha->hw->exchoffld_buf, 486 vha->hw->exchoffld_size, buf, len); 487 } else { 488 ql_dbg(ql_dbg_misc, vha, 0xd028, 489 "%s: missing exch offld\n", __func__); 490 qla27xx_skip_entry(ent, buf); 491 } 492 break; 493 case T268_BUF_TYPE_EXTD_LOGIN: 494 if (vha->hw->exlogin_buf) { 495 if (buf) { 496 ent->t268.buf_size = vha->hw->exlogin_size; 497 ent->t268.start_addr = 498 vha->hw->exlogin_buf_dma; 499 } 500 qla27xx_insertbuf(vha->hw->exlogin_buf, 501 vha->hw->exlogin_size, buf, len); 502 } else { 503 ql_dbg(ql_dbg_misc, vha, 0xd028, 504 "%s: missing ext login\n", __func__); 505 qla27xx_skip_entry(ent, buf); 506 } 507 break; 508 509 case T268_BUF_TYPE_REQ_MIRROR: 510 case T268_BUF_TYPE_RSP_MIRROR: 511 /* 512 * Mirror pointers are not implemented in the 513 * driver, instead shadow pointers are used by 514 * the drier. Skip these entries. 515 */ 516 qla27xx_skip_entry(ent, buf); 517 break; 518 default: 519 ql_dbg(ql_dbg_async, vha, 0xd02b, 520 "%s: unknown buffer %x\n", __func__, ent->t268.buf_type); 521 qla27xx_skip_entry(ent, buf); 522 break; 523 } 524 525 return qla27xx_next_entry(ent); 526 } 527 528 static struct qla27xx_fwdt_entry * 529 qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha, 530 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 531 { 532 ql_dbg(ql_dbg_misc, vha, 0xd20d, 533 "%s: scratch [%lx]\n", __func__, *len); 534 qla27xx_insert32(0xaaaaaaaa, buf, len); 535 qla27xx_insert32(0xbbbbbbbb, buf, len); 536 qla27xx_insert32(0xcccccccc, buf, len); 537 qla27xx_insert32(0xdddddddd, buf, len); 538 qla27xx_insert32(*len + sizeof(uint32_t), buf, len); 539 if (buf) 540 ent->t269.scratch_size = 5 * sizeof(uint32_t); 541 542 return qla27xx_next_entry(ent); 543 } 544 545 static struct qla27xx_fwdt_entry * 546 qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, 547 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 548 { 549 ulong addr = le32_to_cpu(ent->t270.addr); 550 ulong dwords = le32_to_cpu(ent->t270.count); 551 552 ql_dbg(ql_dbg_misc, vha, 0xd20e, 553 "%s: rdremreg [%lx]\n", __func__, *len); 554 qla27xx_write_reg(ISPREG(vha), IOBASE_ADDR, 0x40, buf); 555 while (dwords--) { 556 qla27xx_write_reg(ISPREG(vha), 0xc0, addr|0x80000000, buf); 557 qla27xx_insert32(addr, buf, len); 558 qla27xx_read_reg(ISPREG(vha), 0xc4, buf, len); 559 addr += sizeof(uint32_t); 560 } 561 562 return qla27xx_next_entry(ent); 563 } 564 565 static struct qla27xx_fwdt_entry * 566 qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha, 567 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 568 { 569 ulong addr = le32_to_cpu(ent->t271.addr); 570 ulong data = le32_to_cpu(ent->t271.data); 571 572 ql_dbg(ql_dbg_misc, vha, 0xd20f, 573 "%s: wrremreg [%lx]\n", __func__, *len); 574 qla27xx_write_reg(ISPREG(vha), IOBASE(vha), 0x40, buf); 575 qla27xx_write_reg(ISPREG(vha), 0xc4, data, buf); 576 qla27xx_write_reg(ISPREG(vha), 0xc0, addr, buf); 577 578 return qla27xx_next_entry(ent); 579 } 580 581 static struct qla27xx_fwdt_entry * 582 qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha, 583 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 584 { 585 ulong dwords = le32_to_cpu(ent->t272.count); 586 ulong start = le32_to_cpu(ent->t272.addr); 587 588 ql_dbg(ql_dbg_misc, vha, 0xd210, 589 "%s: rdremram [%lx]\n", __func__, *len); 590 if (buf) { 591 ql_dbg(ql_dbg_misc, vha, 0xd02c, 592 "%s: @%lx -> (%lx dwords)\n", __func__, start, dwords); 593 buf += *len; 594 qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf); 595 } 596 *len += dwords * sizeof(uint32_t); 597 598 return qla27xx_next_entry(ent); 599 } 600 601 static struct qla27xx_fwdt_entry * 602 qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha, 603 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 604 { 605 ulong dwords = le32_to_cpu(ent->t273.count); 606 ulong addr = le32_to_cpu(ent->t273.addr); 607 uint32_t value; 608 609 ql_dbg(ql_dbg_misc, vha, 0xd211, 610 "%s: pcicfg [%lx]\n", __func__, *len); 611 while (dwords--) { 612 value = ~0; 613 if (pci_read_config_dword(vha->hw->pdev, addr, &value)) 614 ql_dbg(ql_dbg_misc, vha, 0xd02d, 615 "%s: failed pcicfg read at %lx\n", __func__, addr); 616 qla27xx_insert32(addr, buf, len); 617 qla27xx_insert32(value, buf, len); 618 addr += sizeof(uint32_t); 619 } 620 621 return qla27xx_next_entry(ent); 622 } 623 624 static struct qla27xx_fwdt_entry * 625 qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, 626 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 627 { 628 ulong type = ent->t274.queue_type; 629 uint count = 0; 630 uint i; 631 632 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd212, 633 "%s: getqsh(%lx) [%lx]\n", __func__, type, *len); 634 if (type == T274_QUEUE_TYPE_REQ_SHAD) { 635 for (i = 0; i < vha->hw->max_req_queues; i++) { 636 struct req_que *req = vha->hw->req_q_map[i]; 637 638 if (req || !buf) { 639 qla27xx_insert16(i, buf, len); 640 qla27xx_insert16(1, buf, len); 641 qla27xx_insert32(req && req->out_ptr ? 642 *req->out_ptr : 0, buf, len); 643 count++; 644 } 645 } 646 } else if (type == T274_QUEUE_TYPE_RSP_SHAD) { 647 for (i = 0; i < vha->hw->max_rsp_queues; i++) { 648 struct rsp_que *rsp = vha->hw->rsp_q_map[i]; 649 650 if (rsp || !buf) { 651 qla27xx_insert16(i, buf, len); 652 qla27xx_insert16(1, buf, len); 653 qla27xx_insert32(rsp && rsp->in_ptr ? 654 *rsp->in_ptr : 0, buf, len); 655 count++; 656 } 657 } 658 } else if (QLA_TGT_MODE_ENABLED() && 659 ent->t274.queue_type == T274_QUEUE_TYPE_ATIO_SHAD) { 660 struct qla_hw_data *ha = vha->hw; 661 struct atio *atr = ha->tgt.atio_ring_ptr; 662 663 if (atr || !buf) { 664 qla27xx_insert16(0, buf, len); 665 qla27xx_insert16(1, buf, len); 666 qla27xx_insert32(ha->tgt.atio_q_in ? 667 readl(ha->tgt.atio_q_in) : 0, buf, len); 668 count++; 669 } 670 } else { 671 ql_dbg(ql_dbg_misc, vha, 0xd02f, 672 "%s: unknown queue %lx\n", __func__, type); 673 qla27xx_skip_entry(ent, buf); 674 } 675 676 if (buf) { 677 if (count) 678 ent->t274.num_queues = count; 679 else 680 qla27xx_skip_entry(ent, buf); 681 } 682 683 return qla27xx_next_entry(ent); 684 } 685 686 static struct qla27xx_fwdt_entry * 687 qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha, 688 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 689 { 690 ulong offset = offsetof(typeof(*ent), t275.buffer); 691 ulong length = le32_to_cpu(ent->t275.length); 692 ulong size = le32_to_cpu(ent->hdr.size); 693 void *buffer = ent->t275.buffer; 694 695 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd213, 696 "%s: buffer(%lx) [%lx]\n", __func__, length, *len); 697 if (!length) { 698 ql_dbg(ql_dbg_misc, vha, 0xd020, 699 "%s: buffer zero length\n", __func__); 700 qla27xx_skip_entry(ent, buf); 701 goto done; 702 } 703 if (offset + length > size) { 704 length = size - offset; 705 ql_dbg(ql_dbg_misc, vha, 0xd030, 706 "%s: buffer overflow, truncate [%lx]\n", __func__, length); 707 ent->t275.length = cpu_to_le32(length); 708 } 709 710 qla27xx_insertbuf(buffer, length, buf, len); 711 done: 712 return qla27xx_next_entry(ent); 713 } 714 715 static struct qla27xx_fwdt_entry * 716 qla27xx_fwdt_entry_t276(struct scsi_qla_host *vha, 717 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 718 { 719 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd214, 720 "%s: cond [%lx]\n", __func__, *len); 721 722 if (buf) { 723 ulong cond1 = le32_to_cpu(ent->t276.cond1); 724 ulong cond2 = le32_to_cpu(ent->t276.cond2); 725 uint type = vha->hw->pdev->device >> 4 & 0xf; 726 uint func = vha->hw->port_no & 0x3; 727 728 if (type != cond1 || func != cond2) { 729 struct qla27xx_fwdt_template *tmp = buf; 730 731 tmp->count--; 732 ent = qla27xx_next_entry(ent); 733 qla27xx_skip_entry(ent, buf); 734 } 735 } 736 737 return qla27xx_next_entry(ent); 738 } 739 740 static struct qla27xx_fwdt_entry * 741 qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, 742 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 743 { 744 ulong cmd_addr = le32_to_cpu(ent->t277.cmd_addr); 745 ulong wr_cmd_data = le32_to_cpu(ent->t277.wr_cmd_data); 746 ulong data_addr = le32_to_cpu(ent->t277.data_addr); 747 748 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd215, 749 "%s: rdpep [%lx]\n", __func__, *len); 750 qla27xx_insert32(wr_cmd_data, buf, len); 751 qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); 752 qla27xx_read_reg(ISPREG(vha), data_addr, buf, len); 753 754 return qla27xx_next_entry(ent); 755 } 756 757 static struct qla27xx_fwdt_entry * 758 qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, 759 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 760 { 761 ulong cmd_addr = le32_to_cpu(ent->t278.cmd_addr); 762 ulong wr_cmd_data = le32_to_cpu(ent->t278.wr_cmd_data); 763 ulong data_addr = le32_to_cpu(ent->t278.data_addr); 764 ulong wr_data = le32_to_cpu(ent->t278.wr_data); 765 766 ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd216, 767 "%s: wrpep [%lx]\n", __func__, *len); 768 qla27xx_write_reg(ISPREG(vha), data_addr, wr_data, buf); 769 qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); 770 771 return qla27xx_next_entry(ent); 772 } 773 774 static struct qla27xx_fwdt_entry * 775 qla27xx_fwdt_entry_other(struct scsi_qla_host *vha, 776 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 777 { 778 ulong type = le32_to_cpu(ent->hdr.type); 779 780 ql_dbg(ql_dbg_misc, vha, 0xd2ff, 781 "%s: other %lx [%lx]\n", __func__, type, *len); 782 qla27xx_skip_entry(ent, buf); 783 784 return qla27xx_next_entry(ent); 785 } 786 787 static struct { 788 uint type; 789 typeof(qla27xx_fwdt_entry_other)(*call); 790 } qla27xx_fwdt_entry_call[] = { 791 { ENTRY_TYPE_NOP, qla27xx_fwdt_entry_t0 }, 792 { ENTRY_TYPE_TMP_END, qla27xx_fwdt_entry_t255 }, 793 { ENTRY_TYPE_RD_IOB_T1, qla27xx_fwdt_entry_t256 }, 794 { ENTRY_TYPE_WR_IOB_T1, qla27xx_fwdt_entry_t257 }, 795 { ENTRY_TYPE_RD_IOB_T2, qla27xx_fwdt_entry_t258 }, 796 { ENTRY_TYPE_WR_IOB_T2, qla27xx_fwdt_entry_t259 }, 797 { ENTRY_TYPE_RD_PCI, qla27xx_fwdt_entry_t260 }, 798 { ENTRY_TYPE_WR_PCI, qla27xx_fwdt_entry_t261 }, 799 { ENTRY_TYPE_RD_RAM, qla27xx_fwdt_entry_t262 }, 800 { ENTRY_TYPE_GET_QUEUE, qla27xx_fwdt_entry_t263 }, 801 { ENTRY_TYPE_GET_FCE, qla27xx_fwdt_entry_t264 }, 802 { ENTRY_TYPE_PSE_RISC, qla27xx_fwdt_entry_t265 }, 803 { ENTRY_TYPE_RST_RISC, qla27xx_fwdt_entry_t266 }, 804 { ENTRY_TYPE_DIS_INTR, qla27xx_fwdt_entry_t267 }, 805 { ENTRY_TYPE_GET_HBUF, qla27xx_fwdt_entry_t268 }, 806 { ENTRY_TYPE_SCRATCH, qla27xx_fwdt_entry_t269 }, 807 { ENTRY_TYPE_RDREMREG, qla27xx_fwdt_entry_t270 }, 808 { ENTRY_TYPE_WRREMREG, qla27xx_fwdt_entry_t271 }, 809 { ENTRY_TYPE_RDREMRAM, qla27xx_fwdt_entry_t272 }, 810 { ENTRY_TYPE_PCICFG, qla27xx_fwdt_entry_t273 }, 811 { ENTRY_TYPE_GET_SHADOW, qla27xx_fwdt_entry_t274 }, 812 { ENTRY_TYPE_WRITE_BUF, qla27xx_fwdt_entry_t275 }, 813 { ENTRY_TYPE_CONDITIONAL, qla27xx_fwdt_entry_t276 }, 814 { ENTRY_TYPE_RDPEPREG, qla27xx_fwdt_entry_t277 }, 815 { ENTRY_TYPE_WRPEPREG, qla27xx_fwdt_entry_t278 }, 816 { -1, qla27xx_fwdt_entry_other } 817 }; 818 819 static inline 820 typeof(qla27xx_fwdt_entry_call->call)(qla27xx_find_entry(uint type)) 821 { 822 typeof(*qla27xx_fwdt_entry_call) *list = qla27xx_fwdt_entry_call; 823 824 while (list->type < type) 825 list++; 826 827 if (list->type == type) 828 return list->call; 829 return qla27xx_fwdt_entry_other; 830 } 831 832 static void 833 qla27xx_walk_template(struct scsi_qla_host *vha, 834 struct qla27xx_fwdt_template *tmp, void *buf, ulong *len) 835 { 836 struct qla27xx_fwdt_entry *ent = (void *)tmp + 837 le32_to_cpu(tmp->entry_offset); 838 ulong type; 839 840 tmp->count = le32_to_cpu(tmp->entry_count); 841 ql_dbg(ql_dbg_misc, vha, 0xd01a, 842 "%s: entry count %u\n", __func__, tmp->count); 843 while (ent && tmp->count--) { 844 type = le32_to_cpu(ent->hdr.type); 845 ent = qla27xx_find_entry(type)(vha, ent, buf, len); 846 if (!ent) 847 break; 848 849 if (ent == INVALID_ENTRY) { 850 *len = 0; 851 ql_dbg(ql_dbg_async, vha, 0xffff, 852 "Unable to capture FW dump"); 853 goto bailout; 854 } 855 } 856 857 if (tmp->count) 858 ql_dbg(ql_dbg_misc, vha, 0xd018, 859 "%s: entry count residual=+%u\n", __func__, tmp->count); 860 861 if (ent) 862 ql_dbg(ql_dbg_misc, vha, 0xd019, 863 "%s: missing end entry\n", __func__); 864 865 bailout: 866 cpu_to_le32s(&tmp->count); /* endianize residual count */ 867 } 868 869 static void 870 qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp) 871 { 872 tmp->capture_timestamp = cpu_to_le32(jiffies); 873 } 874 875 static void 876 qla27xx_driver_info(struct qla27xx_fwdt_template *tmp) 877 { 878 uint8_t v[] = { 0, 0, 0, 0, 0, 0 }; 879 880 WARN_ON_ONCE(sscanf(qla2x00_version_str, 881 "%hhu.%hhu.%hhu.%hhu", 882 v + 0, v + 1, v + 2, v + 3) != 4); 883 884 tmp->driver_info[0] = cpu_to_le32( 885 v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0]); 886 tmp->driver_info[1] = cpu_to_le32(v[5] << 8 | v[4]); 887 tmp->driver_info[2] = __constant_cpu_to_le32(0x12345678); 888 } 889 890 static void 891 qla27xx_firmware_info(struct scsi_qla_host *vha, 892 struct qla27xx_fwdt_template *tmp) 893 { 894 tmp->firmware_version[0] = cpu_to_le32(vha->hw->fw_major_version); 895 tmp->firmware_version[1] = cpu_to_le32(vha->hw->fw_minor_version); 896 tmp->firmware_version[2] = cpu_to_le32(vha->hw->fw_subminor_version); 897 tmp->firmware_version[3] = cpu_to_le32( 898 vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes); 899 tmp->firmware_version[4] = cpu_to_le32( 900 vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0]); 901 } 902 903 static void 904 ql27xx_edit_template(struct scsi_qla_host *vha, 905 struct qla27xx_fwdt_template *tmp) 906 { 907 qla27xx_time_stamp(tmp); 908 qla27xx_driver_info(tmp); 909 qla27xx_firmware_info(vha, tmp); 910 } 911 912 static inline uint32_t 913 qla27xx_template_checksum(void *p, ulong size) 914 { 915 __le32 *buf = p; 916 uint64_t sum = 0; 917 918 size /= sizeof(*buf); 919 920 for ( ; size--; buf++) 921 sum += le32_to_cpu(*buf); 922 923 sum = (sum & 0xffffffff) + (sum >> 32); 924 925 return ~sum; 926 } 927 928 static inline int 929 qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp) 930 { 931 return qla27xx_template_checksum(tmp, 932 le32_to_cpu(tmp->template_size)) == 0; 933 } 934 935 static inline int 936 qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp) 937 { 938 return le32_to_cpu(tmp->template_type) == TEMPLATE_TYPE_FWDUMP; 939 } 940 941 static ulong 942 qla27xx_execute_fwdt_template(struct scsi_qla_host *vha, 943 struct qla27xx_fwdt_template *tmp, void *buf) 944 { 945 ulong len = 0; 946 947 if (qla27xx_fwdt_template_valid(tmp)) { 948 len = le32_to_cpu(tmp->template_size); 949 tmp = memcpy(buf, tmp, len); 950 ql27xx_edit_template(vha, tmp); 951 qla27xx_walk_template(vha, tmp, buf, &len); 952 } 953 954 return len; 955 } 956 957 ulong 958 qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha, void *p) 959 { 960 struct qla27xx_fwdt_template *tmp = p; 961 ulong len = 0; 962 963 if (qla27xx_fwdt_template_valid(tmp)) { 964 len = le32_to_cpu(tmp->template_size); 965 qla27xx_walk_template(vha, tmp, NULL, &len); 966 } 967 968 return len; 969 } 970 971 ulong 972 qla27xx_fwdt_template_size(void *p) 973 { 974 struct qla27xx_fwdt_template *tmp = p; 975 976 return le32_to_cpu(tmp->template_size); 977 } 978 979 int 980 qla27xx_fwdt_template_valid(void *p) 981 { 982 struct qla27xx_fwdt_template *tmp = p; 983 984 if (!qla27xx_verify_template_header(tmp)) { 985 ql_log(ql_log_warn, NULL, 0xd01c, 986 "%s: template type %x\n", __func__, 987 le32_to_cpu(tmp->template_type)); 988 return false; 989 } 990 991 if (!qla27xx_verify_template_checksum(tmp)) { 992 ql_log(ql_log_warn, NULL, 0xd01d, 993 "%s: failed template checksum\n", __func__); 994 return false; 995 } 996 997 return true; 998 } 999 1000 void 1001 qla27xx_mpi_fwdump(scsi_qla_host_t *vha, int hardware_locked) 1002 { 1003 ulong flags = 0; 1004 1005 if (!hardware_locked) 1006 spin_lock_irqsave(&vha->hw->hardware_lock, flags); 1007 if (!vha->hw->mpi_fw_dump) { 1008 ql_log(ql_log_warn, vha, 0x02f3, "-> mpi_fwdump no buffer\n"); 1009 } else { 1010 struct fwdt *fwdt = &vha->hw->fwdt[1]; 1011 ulong len; 1012 void *buf = vha->hw->mpi_fw_dump; 1013 bool walk_template_only = false; 1014 1015 if (vha->hw->mpi_fw_dumped) { 1016 /* Use the spare area for any further dumps. */ 1017 buf += fwdt->dump_size; 1018 walk_template_only = true; 1019 ql_log(ql_log_warn, vha, 0x02f4, 1020 "-> MPI firmware already dumped -- dump saving to temporary buffer %p.\n", 1021 buf); 1022 } 1023 1024 ql_log(ql_log_warn, vha, 0x02f5, "-> fwdt1 running...\n"); 1025 if (!fwdt->template) { 1026 ql_log(ql_log_warn, vha, 0x02f6, 1027 "-> fwdt1 no template\n"); 1028 goto bailout; 1029 } 1030 len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf); 1031 if (len == 0) { 1032 goto bailout; 1033 } else if (len != fwdt->dump_size) { 1034 ql_log(ql_log_warn, vha, 0x02f7, 1035 "-> fwdt1 fwdump residual=%+ld\n", 1036 fwdt->dump_size - len); 1037 } 1038 vha->hw->stat.num_mpi_reset++; 1039 if (walk_template_only) 1040 goto bailout; 1041 1042 vha->hw->mpi_fw_dump_len = len; 1043 vha->hw->mpi_fw_dumped = 1; 1044 1045 ql_log(ql_log_warn, vha, 0x02f8, 1046 "-> MPI firmware dump saved to buffer (%lu/%p)\n", 1047 vha->host_no, vha->hw->mpi_fw_dump); 1048 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 1049 } 1050 1051 bailout: 1052 if (!hardware_locked) 1053 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); 1054 } 1055 1056 void 1057 qla27xx_fwdump(scsi_qla_host_t *vha) 1058 { 1059 lockdep_assert_held(&vha->hw->hardware_lock); 1060 1061 if (!vha->hw->fw_dump) { 1062 ql_log(ql_log_warn, vha, 0xd01e, "-> fwdump no buffer\n"); 1063 } else if (vha->hw->fw_dumped) { 1064 ql_log(ql_log_warn, vha, 0xd01f, 1065 "-> Firmware already dumped (%p) -- ignoring request\n", 1066 vha->hw->fw_dump); 1067 } else { 1068 struct fwdt *fwdt = vha->hw->fwdt; 1069 ulong len; 1070 void *buf = vha->hw->fw_dump; 1071 1072 ql_log(ql_log_warn, vha, 0xd011, "-> fwdt0 running...\n"); 1073 if (!fwdt->template) { 1074 ql_log(ql_log_warn, vha, 0xd012, 1075 "-> fwdt0 no template\n"); 1076 return; 1077 } 1078 len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf); 1079 if (len == 0) { 1080 return; 1081 } else if (len != fwdt->dump_size) { 1082 ql_log(ql_log_warn, vha, 0xd013, 1083 "-> fwdt0 fwdump residual=%+ld\n", 1084 fwdt->dump_size - len); 1085 } 1086 1087 vha->hw->fw_dump_len = len; 1088 vha->hw->fw_dumped = true; 1089 1090 ql_log(ql_log_warn, vha, 0xd015, 1091 "-> Firmware dump saved to buffer (%lu/%p) <%lx>\n", 1092 vha->host_no, vha->hw->fw_dump, vha->hw->fw_dump_cap_flags); 1093 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 1094 } 1095 } 1096