1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_tmpl.h" 9 10 /* note default template is in big endian */ 11 static const uint32_t ql27xx_fwdt_default_template[] = { 12 0x63000000, 0xa4000000, 0x7c050000, 0x00000000, 13 0x30000000, 0x01000000, 0x00000000, 0xc0406eb4, 14 0x00000000, 0x00000000, 0x00000000, 0x00000000, 15 0x00000000, 0x00000000, 0x00000000, 0x00000000, 16 0x00000000, 0x00000000, 0x00000000, 0x00000000, 17 0x00000000, 0x00000000, 0x00000000, 0x00000000, 18 0x00000000, 0x00000000, 0x00000000, 0x00000000, 19 0x00000000, 0x00000000, 0x00000000, 0x00000000, 20 0x00000000, 0x00000000, 0x00000000, 0x00000000, 21 0x00000000, 0x00000000, 0x00000000, 0x00000000, 22 0x00000000, 0x04010000, 0x14000000, 0x00000000, 23 0x02000000, 0x44000000, 0x09010000, 0x10000000, 24 0x00000000, 0x02000000, 0x01010000, 0x1c000000, 25 0x00000000, 0x02000000, 0x00600000, 0x00000000, 26 0xc0000000, 0x01010000, 0x1c000000, 0x00000000, 27 0x02000000, 0x00600000, 0x00000000, 0xcc000000, 28 0x01010000, 0x1c000000, 0x00000000, 0x02000000, 29 0x10600000, 0x00000000, 0xd4000000, 0x01010000, 30 0x1c000000, 0x00000000, 0x02000000, 0x700f0000, 31 0x00000060, 0xf0000000, 0x00010000, 0x18000000, 32 0x00000000, 0x02000000, 0x00700000, 0x041000c0, 33 0x00010000, 0x18000000, 0x00000000, 0x02000000, 34 0x10700000, 0x041000c0, 0x00010000, 0x18000000, 35 0x00000000, 0x02000000, 0x40700000, 0x041000c0, 36 0x01010000, 0x1c000000, 0x00000000, 0x02000000, 37 0x007c0000, 0x01000000, 0xc0000000, 0x00010000, 38 0x18000000, 0x00000000, 0x02000000, 0x007c0000, 39 0x040300c4, 0x00010000, 0x18000000, 0x00000000, 40 0x02000000, 0x007c0000, 0x040100c0, 0x01010000, 41 0x1c000000, 0x00000000, 0x02000000, 0x007c0000, 42 0x00000000, 0xc0000000, 0x00010000, 0x18000000, 43 0x00000000, 0x02000000, 0x007c0000, 0x04200000, 44 0x0b010000, 0x18000000, 0x00000000, 0x02000000, 45 0x0c000000, 0x00000000, 0x02010000, 0x20000000, 46 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 47 0xf0000000, 0x000000b0, 0x02010000, 0x20000000, 48 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 49 0xf0000000, 0x000010b0, 0x02010000, 0x20000000, 50 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 51 0xf0000000, 0x000020b0, 0x02010000, 0x20000000, 52 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 53 0xf0000000, 0x000030b0, 0x02010000, 0x20000000, 54 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 55 0xf0000000, 0x000040b0, 0x02010000, 0x20000000, 56 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 57 0xf0000000, 0x000050b0, 0x02010000, 0x20000000, 58 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 59 0xf0000000, 0x000060b0, 0x02010000, 0x20000000, 60 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 61 0xf0000000, 0x000070b0, 0x02010000, 0x20000000, 62 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 63 0xf0000000, 0x000080b0, 0x02010000, 0x20000000, 64 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 65 0xf0000000, 0x000090b0, 0x02010000, 0x20000000, 66 0x00000000, 0x02000000, 0x700f0000, 0x040100fc, 67 0xf0000000, 0x0000a0b0, 0x00010000, 0x18000000, 68 0x00000000, 0x02000000, 0x0a000000, 0x040100c0, 69 0x00010000, 0x18000000, 0x00000000, 0x02000000, 70 0x0a000000, 0x04200080, 0x00010000, 0x18000000, 71 0x00000000, 0x02000000, 0x00be0000, 0x041000c0, 72 0x00010000, 0x18000000, 0x00000000, 0x02000000, 73 0x10be0000, 0x041000c0, 0x00010000, 0x18000000, 74 0x00000000, 0x02000000, 0x20be0000, 0x041000c0, 75 0x00010000, 0x18000000, 0x00000000, 0x02000000, 76 0x30be0000, 0x041000c0, 0x00010000, 0x18000000, 77 0x00000000, 0x02000000, 0x00b00000, 0x041000c0, 78 0x00010000, 0x18000000, 0x00000000, 0x02000000, 79 0x10b00000, 0x041000c0, 0x00010000, 0x18000000, 80 0x00000000, 0x02000000, 0x20b00000, 0x041000c0, 81 0x00010000, 0x18000000, 0x00000000, 0x02000000, 82 0x30b00000, 0x041000c0, 0x00010000, 0x18000000, 83 0x00000000, 0x02000000, 0x00300000, 0x041000c0, 84 0x00010000, 0x18000000, 0x00000000, 0x02000000, 85 0x10300000, 0x041000c0, 0x00010000, 0x18000000, 86 0x00000000, 0x02000000, 0x20300000, 0x041000c0, 87 0x00010000, 0x18000000, 0x00000000, 0x02000000, 88 0x30300000, 0x041000c0, 0x0a010000, 0x10000000, 89 0x00000000, 0x02000000, 0x06010000, 0x1c000000, 90 0x00000000, 0x02000000, 0x01000000, 0x00000200, 91 0xff230200, 0x06010000, 0x1c000000, 0x00000000, 92 0x02000000, 0x02000000, 0x00001000, 0x00000000, 93 0x07010000, 0x18000000, 0x00000000, 0x02000000, 94 0x00000000, 0x01000000, 0x07010000, 0x18000000, 95 0x00000000, 0x02000000, 0x00000000, 0x02000000, 96 0x07010000, 0x18000000, 0x00000000, 0x02000000, 97 0x00000000, 0x03000000, 0x0d010000, 0x14000000, 98 0x00000000, 0x02000000, 0x00000000, 0xff000000, 99 0x10000000, 0x00000000, 0x00000080, 100 }; 101 102 static inline void __iomem * 103 qla27xx_isp_reg(struct scsi_qla_host *vha) 104 { 105 return &vha->hw->iobase->isp24; 106 } 107 108 static inline void 109 qla27xx_insert16(uint16_t value, void *buf, ulong *len) 110 { 111 if (buf) { 112 buf += *len; 113 *(__le16 *)buf = cpu_to_le16(value); 114 } 115 *len += sizeof(value); 116 } 117 118 static inline void 119 qla27xx_insert32(uint32_t value, void *buf, ulong *len) 120 { 121 if (buf) { 122 buf += *len; 123 *(__le32 *)buf = cpu_to_le32(value); 124 } 125 *len += sizeof(value); 126 } 127 128 static inline void 129 qla27xx_insertbuf(void *mem, ulong size, void *buf, ulong *len) 130 { 131 132 if (buf && mem && size) { 133 buf += *len; 134 memcpy(buf, mem, size); 135 } 136 *len += size; 137 } 138 139 static inline void 140 qla27xx_read8(void __iomem *window, void *buf, ulong *len) 141 { 142 uint8_t value = ~0; 143 144 if (buf) { 145 value = RD_REG_BYTE(window); 146 } 147 qla27xx_insert32(value, buf, len); 148 } 149 150 static inline void 151 qla27xx_read16(void __iomem *window, void *buf, ulong *len) 152 { 153 uint16_t value = ~0; 154 155 if (buf) { 156 value = RD_REG_WORD(window); 157 } 158 qla27xx_insert32(value, buf, len); 159 } 160 161 static inline void 162 qla27xx_read32(void __iomem *window, void *buf, ulong *len) 163 { 164 uint32_t value = ~0; 165 166 if (buf) { 167 value = RD_REG_DWORD(window); 168 } 169 qla27xx_insert32(value, buf, len); 170 } 171 172 static inline void (*qla27xx_read_vector(uint width))(void __iomem*, void *, ulong *) 173 { 174 return 175 (width == 1) ? qla27xx_read8 : 176 (width == 2) ? qla27xx_read16 : 177 qla27xx_read32; 178 } 179 180 static inline void 181 qla27xx_read_reg(__iomem struct device_reg_24xx *reg, 182 uint offset, void *buf, ulong *len) 183 { 184 void __iomem *window = (void __iomem *)reg + offset; 185 186 qla27xx_read32(window, buf, len); 187 } 188 189 static inline void 190 qla27xx_write_reg(__iomem struct device_reg_24xx *reg, 191 uint offset, uint32_t data, void *buf) 192 { 193 __iomem void *window = (void __iomem *)reg + offset; 194 195 if (buf) { 196 WRT_REG_DWORD(window, data); 197 } 198 } 199 200 static inline void 201 qla27xx_read_window(__iomem struct device_reg_24xx *reg, 202 uint32_t addr, uint offset, uint count, uint width, void *buf, 203 ulong *len) 204 { 205 void __iomem *window = (void __iomem *)reg + offset; 206 void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width); 207 208 qla27xx_write_reg(reg, IOBASE_ADDR, addr, buf); 209 while (count--) { 210 qla27xx_insert32(addr, buf, len); 211 readn(window, buf, len); 212 window += width; 213 addr++; 214 } 215 } 216 217 static inline void 218 qla27xx_skip_entry(struct qla27xx_fwdt_entry *ent, void *buf) 219 { 220 if (buf) 221 ent->hdr.driver_flags |= DRIVER_FLAG_SKIP_ENTRY; 222 } 223 224 static int 225 qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha, 226 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 227 { 228 ql_dbg(ql_dbg_misc, vha, 0xd100, 229 "%s: nop [%lx]\n", __func__, *len); 230 qla27xx_skip_entry(ent, buf); 231 232 return false; 233 } 234 235 static int 236 qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha, 237 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 238 { 239 ql_dbg(ql_dbg_misc, vha, 0xd1ff, 240 "%s: end [%lx]\n", __func__, *len); 241 qla27xx_skip_entry(ent, buf); 242 243 /* terminate */ 244 return true; 245 } 246 247 static int 248 qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, 249 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 250 { 251 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 252 253 ql_dbg(ql_dbg_misc, vha, 0xd200, 254 "%s: rdio t1 [%lx]\n", __func__, *len); 255 qla27xx_read_window(reg, ent->t256.base_addr, ent->t256.pci_offset, 256 ent->t256.reg_count, ent->t256.reg_width, buf, len); 257 258 return false; 259 } 260 261 static int 262 qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, 263 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 264 { 265 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 266 267 ql_dbg(ql_dbg_misc, vha, 0xd201, 268 "%s: wrio t1 [%lx]\n", __func__, *len); 269 qla27xx_write_reg(reg, IOBASE_ADDR, ent->t257.base_addr, buf); 270 qla27xx_write_reg(reg, ent->t257.pci_offset, ent->t257.write_data, buf); 271 272 return false; 273 } 274 275 static int 276 qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, 277 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 278 { 279 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 280 281 ql_dbg(ql_dbg_misc, vha, 0xd202, 282 "%s: rdio t2 [%lx]\n", __func__, *len); 283 qla27xx_write_reg(reg, ent->t258.banksel_offset, ent->t258.bank, buf); 284 qla27xx_read_window(reg, ent->t258.base_addr, ent->t258.pci_offset, 285 ent->t258.reg_count, ent->t258.reg_width, buf, len); 286 287 return false; 288 } 289 290 static int 291 qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, 292 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 293 { 294 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 295 296 ql_dbg(ql_dbg_misc, vha, 0xd203, 297 "%s: wrio t2 [%lx]\n", __func__, *len); 298 qla27xx_write_reg(reg, IOBASE_ADDR, ent->t259.base_addr, buf); 299 qla27xx_write_reg(reg, ent->t259.banksel_offset, ent->t259.bank, buf); 300 qla27xx_write_reg(reg, ent->t259.pci_offset, ent->t259.write_data, buf); 301 302 return false; 303 } 304 305 static int 306 qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha, 307 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 308 { 309 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 310 311 ql_dbg(ql_dbg_misc, vha, 0xd204, 312 "%s: rdpci [%lx]\n", __func__, *len); 313 qla27xx_insert32(ent->t260.pci_offset, buf, len); 314 qla27xx_read_reg(reg, ent->t260.pci_offset, buf, len); 315 316 return false; 317 } 318 319 static int 320 qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, 321 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 322 { 323 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 324 325 ql_dbg(ql_dbg_misc, vha, 0xd205, 326 "%s: wrpci [%lx]\n", __func__, *len); 327 qla27xx_write_reg(reg, ent->t261.pci_offset, ent->t261.write_data, buf); 328 329 return false; 330 } 331 332 static int 333 qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha, 334 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 335 { 336 ulong dwords; 337 ulong start; 338 ulong end; 339 340 ql_dbg(ql_dbg_misc, vha, 0xd206, 341 "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len); 342 start = ent->t262.start_addr; 343 end = ent->t262.end_addr; 344 345 if (ent->t262.ram_area == T262_RAM_AREA_CRITICAL_RAM) { 346 ; 347 } else if (ent->t262.ram_area == T262_RAM_AREA_EXTERNAL_RAM) { 348 end = vha->hw->fw_memory_size; 349 if (buf) 350 ent->t262.end_addr = end; 351 } else if (ent->t262.ram_area == T262_RAM_AREA_SHARED_RAM) { 352 start = vha->hw->fw_shared_ram_start; 353 end = vha->hw->fw_shared_ram_end; 354 if (buf) { 355 ent->t262.start_addr = start; 356 ent->t262.end_addr = end; 357 } 358 } else if (ent->t262.ram_area == T262_RAM_AREA_DDR_RAM) { 359 start = vha->hw->fw_ddr_ram_start; 360 end = vha->hw->fw_ddr_ram_end; 361 if (buf) { 362 ent->t262.start_addr = start; 363 ent->t262.end_addr = end; 364 } 365 } else { 366 ql_dbg(ql_dbg_misc, vha, 0xd022, 367 "%s: unknown area %x\n", __func__, ent->t262.ram_area); 368 qla27xx_skip_entry(ent, buf); 369 goto done; 370 } 371 372 if (end < start || start == 0 || end == 0) { 373 ql_dbg(ql_dbg_misc, vha, 0xd023, 374 "%s: unusable range (start=%x end=%x)\n", __func__, 375 ent->t262.end_addr, ent->t262.start_addr); 376 qla27xx_skip_entry(ent, buf); 377 goto done; 378 } 379 380 dwords = end - start + 1; 381 if (buf) { 382 buf += *len; 383 qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf); 384 } 385 *len += dwords * sizeof(uint32_t); 386 done: 387 return false; 388 } 389 390 static int 391 qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, 392 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 393 { 394 uint count = 0; 395 uint i; 396 uint length; 397 398 ql_dbg(ql_dbg_misc, vha, 0xd207, 399 "%s: getq(%x) [%lx]\n", __func__, ent->t263.queue_type, *len); 400 if (ent->t263.queue_type == T263_QUEUE_TYPE_REQ) { 401 for (i = 0; i < vha->hw->max_req_queues; i++) { 402 struct req_que *req = vha->hw->req_q_map[i]; 403 404 if (req || !buf) { 405 length = req ? 406 req->length : REQUEST_ENTRY_CNT_24XX; 407 qla27xx_insert16(i, buf, len); 408 qla27xx_insert16(length, buf, len); 409 qla27xx_insertbuf(req ? req->ring : NULL, 410 length * sizeof(*req->ring), buf, len); 411 count++; 412 } 413 } 414 } else if (ent->t263.queue_type == T263_QUEUE_TYPE_RSP) { 415 for (i = 0; i < vha->hw->max_rsp_queues; i++) { 416 struct rsp_que *rsp = vha->hw->rsp_q_map[i]; 417 418 if (rsp || !buf) { 419 length = rsp ? 420 rsp->length : RESPONSE_ENTRY_CNT_MQ; 421 qla27xx_insert16(i, buf, len); 422 qla27xx_insert16(length, buf, len); 423 qla27xx_insertbuf(rsp ? rsp->ring : NULL, 424 length * sizeof(*rsp->ring), buf, len); 425 count++; 426 } 427 } 428 } else if (QLA_TGT_MODE_ENABLED() && 429 ent->t263.queue_type == T263_QUEUE_TYPE_ATIO) { 430 struct qla_hw_data *ha = vha->hw; 431 struct atio *atr = ha->tgt.atio_ring; 432 433 if (atr || !buf) { 434 length = ha->tgt.atio_q_length; 435 qla27xx_insert16(0, buf, len); 436 qla27xx_insert16(length, buf, len); 437 qla27xx_insertbuf(atr, length * sizeof(*atr), buf, len); 438 count++; 439 } 440 } else { 441 ql_dbg(ql_dbg_misc, vha, 0xd026, 442 "%s: unknown queue %x\n", __func__, ent->t263.queue_type); 443 qla27xx_skip_entry(ent, buf); 444 } 445 446 if (buf) 447 ent->t263.num_queues = count; 448 449 return false; 450 } 451 452 static int 453 qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha, 454 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 455 { 456 ql_dbg(ql_dbg_misc, vha, 0xd208, 457 "%s: getfce [%lx]\n", __func__, *len); 458 if (vha->hw->fce) { 459 if (buf) { 460 ent->t264.fce_trace_size = FCE_SIZE; 461 ent->t264.write_pointer = vha->hw->fce_wr; 462 ent->t264.base_pointer = vha->hw->fce_dma; 463 ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0]; 464 ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2]; 465 ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3]; 466 ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4]; 467 ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5]; 468 ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6]; 469 } 470 qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len); 471 } else { 472 ql_dbg(ql_dbg_misc, vha, 0xd027, 473 "%s: missing fce\n", __func__); 474 qla27xx_skip_entry(ent, buf); 475 } 476 477 return false; 478 } 479 480 static int 481 qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha, 482 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 483 { 484 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 485 486 ql_dbg(ql_dbg_misc, vha, 0xd209, 487 "%s: pause risc [%lx]\n", __func__, *len); 488 if (buf) 489 qla24xx_pause_risc(reg, vha->hw); 490 491 return false; 492 } 493 494 static int 495 qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha, 496 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 497 { 498 ql_dbg(ql_dbg_misc, vha, 0xd20a, 499 "%s: reset risc [%lx]\n", __func__, *len); 500 if (buf) 501 qla24xx_soft_reset(vha->hw); 502 503 return false; 504 } 505 506 static int 507 qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, 508 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 509 { 510 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 511 512 ql_dbg(ql_dbg_misc, vha, 0xd20b, 513 "%s: dis intr [%lx]\n", __func__, *len); 514 qla27xx_write_reg(reg, ent->t267.pci_offset, ent->t267.data, buf); 515 516 return false; 517 } 518 519 static int 520 qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha, 521 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 522 { 523 ql_dbg(ql_dbg_misc, vha, 0xd20c, 524 "%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len); 525 if (ent->t268.buf_type == T268_BUF_TYPE_EXTD_TRACE) { 526 if (vha->hw->eft) { 527 if (buf) { 528 ent->t268.buf_size = EFT_SIZE; 529 ent->t268.start_addr = vha->hw->eft_dma; 530 } 531 qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len); 532 } else { 533 ql_dbg(ql_dbg_misc, vha, 0xd028, 534 "%s: missing eft\n", __func__); 535 qla27xx_skip_entry(ent, buf); 536 } 537 } else { 538 ql_dbg(ql_dbg_misc, vha, 0xd02b, 539 "%s: unknown buffer %x\n", __func__, ent->t268.buf_type); 540 qla27xx_skip_entry(ent, buf); 541 } 542 543 return false; 544 } 545 546 static int 547 qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha, 548 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 549 { 550 ql_dbg(ql_dbg_misc, vha, 0xd20d, 551 "%s: scratch [%lx]\n", __func__, *len); 552 qla27xx_insert32(0xaaaaaaaa, buf, len); 553 qla27xx_insert32(0xbbbbbbbb, buf, len); 554 qla27xx_insert32(0xcccccccc, buf, len); 555 qla27xx_insert32(0xdddddddd, buf, len); 556 qla27xx_insert32(*len + sizeof(uint32_t), buf, len); 557 if (buf) 558 ent->t269.scratch_size = 5 * sizeof(uint32_t); 559 560 return false; 561 } 562 563 static int 564 qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, 565 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 566 { 567 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 568 ulong dwords = ent->t270.count; 569 ulong addr = ent->t270.addr; 570 571 ql_dbg(ql_dbg_misc, vha, 0xd20e, 572 "%s: rdremreg [%lx]\n", __func__, *len); 573 qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf); 574 while (dwords--) { 575 qla27xx_write_reg(reg, 0xc0, addr|0x80000000, buf); 576 qla27xx_insert32(addr, buf, len); 577 qla27xx_read_reg(reg, 0xc4, buf, len); 578 addr += sizeof(uint32_t); 579 } 580 581 return false; 582 } 583 584 static int 585 qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha, 586 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 587 { 588 struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); 589 ulong addr = ent->t271.addr; 590 ulong data = ent->t271.data; 591 592 ql_dbg(ql_dbg_misc, vha, 0xd20f, 593 "%s: wrremreg [%lx]\n", __func__, *len); 594 qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf); 595 qla27xx_write_reg(reg, 0xc4, data, buf); 596 qla27xx_write_reg(reg, 0xc0, addr, buf); 597 598 return false; 599 } 600 601 static int 602 qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha, 603 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 604 { 605 ulong dwords = ent->t272.count; 606 ulong start = ent->t272.addr; 607 608 ql_dbg(ql_dbg_misc, vha, 0xd210, 609 "%s: rdremram [%lx]\n", __func__, *len); 610 if (buf) { 611 ql_dbg(ql_dbg_misc, vha, 0xd02c, 612 "%s: @%lx -> (%lx dwords)\n", __func__, start, dwords); 613 buf += *len; 614 qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf); 615 } 616 *len += dwords * sizeof(uint32_t); 617 618 return false; 619 } 620 621 static int 622 qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha, 623 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 624 { 625 ulong dwords = ent->t273.count; 626 ulong addr = ent->t273.addr; 627 uint32_t value; 628 629 ql_dbg(ql_dbg_misc, vha, 0xd211, 630 "%s: pcicfg [%lx]\n", __func__, *len); 631 while (dwords--) { 632 value = ~0; 633 if (pci_read_config_dword(vha->hw->pdev, addr, &value)) 634 ql_dbg(ql_dbg_misc, vha, 0xd02d, 635 "%s: failed pcicfg read at %lx\n", __func__, addr); 636 qla27xx_insert32(addr, buf, len); 637 qla27xx_insert32(value, buf, len); 638 addr += sizeof(uint32_t); 639 } 640 641 return false; 642 } 643 644 static int 645 qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, 646 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 647 { 648 uint count = 0; 649 uint i; 650 651 ql_dbg(ql_dbg_misc, vha, 0xd212, 652 "%s: getqsh(%x) [%lx]\n", __func__, ent->t274.queue_type, *len); 653 if (ent->t274.queue_type == T274_QUEUE_TYPE_REQ_SHAD) { 654 for (i = 0; i < vha->hw->max_req_queues; i++) { 655 struct req_que *req = vha->hw->req_q_map[i]; 656 657 if (req || !buf) { 658 qla27xx_insert16(i, buf, len); 659 qla27xx_insert16(1, buf, len); 660 qla27xx_insert32(req && req->out_ptr ? 661 *req->out_ptr : 0, buf, len); 662 count++; 663 } 664 } 665 } else if (ent->t274.queue_type == T274_QUEUE_TYPE_RSP_SHAD) { 666 for (i = 0; i < vha->hw->max_rsp_queues; i++) { 667 struct rsp_que *rsp = vha->hw->rsp_q_map[i]; 668 669 if (rsp || !buf) { 670 qla27xx_insert16(i, buf, len); 671 qla27xx_insert16(1, buf, len); 672 qla27xx_insert32(rsp && rsp->in_ptr ? 673 *rsp->in_ptr : 0, buf, len); 674 count++; 675 } 676 } 677 } else if (QLA_TGT_MODE_ENABLED() && 678 ent->t274.queue_type == T274_QUEUE_TYPE_ATIO_SHAD) { 679 struct qla_hw_data *ha = vha->hw; 680 struct atio *atr = ha->tgt.atio_ring_ptr; 681 682 if (atr || !buf) { 683 qla27xx_insert16(0, buf, len); 684 qla27xx_insert16(1, buf, len); 685 qla27xx_insert32(ha->tgt.atio_q_in ? 686 readl(ha->tgt.atio_q_in) : 0, buf, len); 687 count++; 688 } 689 } else { 690 ql_dbg(ql_dbg_misc, vha, 0xd02f, 691 "%s: unknown queue %x\n", __func__, ent->t274.queue_type); 692 qla27xx_skip_entry(ent, buf); 693 } 694 695 if (buf) 696 ent->t274.num_queues = count; 697 698 if (!count) 699 qla27xx_skip_entry(ent, buf); 700 701 return false; 702 } 703 704 static int 705 qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha, 706 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 707 { 708 ulong offset = offsetof(typeof(*ent), t275.buffer); 709 710 ql_dbg(ql_dbg_misc, vha, 0xd213, 711 "%s: buffer(%x) [%lx]\n", __func__, ent->t275.length, *len); 712 if (!ent->t275.length) { 713 ql_dbg(ql_dbg_misc, vha, 0xd020, 714 "%s: buffer zero length\n", __func__); 715 qla27xx_skip_entry(ent, buf); 716 goto done; 717 } 718 if (offset + ent->t275.length > ent->hdr.entry_size) { 719 ql_dbg(ql_dbg_misc, vha, 0xd030, 720 "%s: buffer overflow\n", __func__); 721 qla27xx_skip_entry(ent, buf); 722 goto done; 723 } 724 725 qla27xx_insertbuf(ent->t275.buffer, ent->t275.length, buf, len); 726 done: 727 return false; 728 } 729 730 static int 731 qla27xx_fwdt_entry_other(struct scsi_qla_host *vha, 732 struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) 733 { 734 ql_dbg(ql_dbg_misc, vha, 0xd2ff, 735 "%s: type %x [%lx]\n", __func__, ent->hdr.entry_type, *len); 736 qla27xx_skip_entry(ent, buf); 737 738 return false; 739 } 740 741 struct qla27xx_fwdt_entry_call { 742 uint type; 743 int (*call)( 744 struct scsi_qla_host *, 745 struct qla27xx_fwdt_entry *, 746 void *, 747 ulong *); 748 }; 749 750 static struct qla27xx_fwdt_entry_call ql27xx_fwdt_entry_call_list[] = { 751 { ENTRY_TYPE_NOP , qla27xx_fwdt_entry_t0 } , 752 { ENTRY_TYPE_TMP_END , qla27xx_fwdt_entry_t255 } , 753 { ENTRY_TYPE_RD_IOB_T1 , qla27xx_fwdt_entry_t256 } , 754 { ENTRY_TYPE_WR_IOB_T1 , qla27xx_fwdt_entry_t257 } , 755 { ENTRY_TYPE_RD_IOB_T2 , qla27xx_fwdt_entry_t258 } , 756 { ENTRY_TYPE_WR_IOB_T2 , qla27xx_fwdt_entry_t259 } , 757 { ENTRY_TYPE_RD_PCI , qla27xx_fwdt_entry_t260 } , 758 { ENTRY_TYPE_WR_PCI , qla27xx_fwdt_entry_t261 } , 759 { ENTRY_TYPE_RD_RAM , qla27xx_fwdt_entry_t262 } , 760 { ENTRY_TYPE_GET_QUEUE , qla27xx_fwdt_entry_t263 } , 761 { ENTRY_TYPE_GET_FCE , qla27xx_fwdt_entry_t264 } , 762 { ENTRY_TYPE_PSE_RISC , qla27xx_fwdt_entry_t265 } , 763 { ENTRY_TYPE_RST_RISC , qla27xx_fwdt_entry_t266 } , 764 { ENTRY_TYPE_DIS_INTR , qla27xx_fwdt_entry_t267 } , 765 { ENTRY_TYPE_GET_HBUF , qla27xx_fwdt_entry_t268 } , 766 { ENTRY_TYPE_SCRATCH , qla27xx_fwdt_entry_t269 } , 767 { ENTRY_TYPE_RDREMREG , qla27xx_fwdt_entry_t270 } , 768 { ENTRY_TYPE_WRREMREG , qla27xx_fwdt_entry_t271 } , 769 { ENTRY_TYPE_RDREMRAM , qla27xx_fwdt_entry_t272 } , 770 { ENTRY_TYPE_PCICFG , qla27xx_fwdt_entry_t273 } , 771 { ENTRY_TYPE_GET_SHADOW , qla27xx_fwdt_entry_t274 } , 772 { ENTRY_TYPE_WRITE_BUF , qla27xx_fwdt_entry_t275 } , 773 { -1 , qla27xx_fwdt_entry_other } 774 }; 775 776 static inline int (*qla27xx_find_entry(uint type)) 777 (struct scsi_qla_host *, struct qla27xx_fwdt_entry *, void *, ulong *) 778 { 779 struct qla27xx_fwdt_entry_call *list = ql27xx_fwdt_entry_call_list; 780 781 while (list->type < type) 782 list++; 783 784 if (list->type == type) 785 return list->call; 786 return qla27xx_fwdt_entry_other; 787 } 788 789 static inline void * 790 qla27xx_next_entry(void *p) 791 { 792 struct qla27xx_fwdt_entry *ent = p; 793 794 return p + ent->hdr.entry_size; 795 } 796 797 static void 798 qla27xx_walk_template(struct scsi_qla_host *vha, 799 struct qla27xx_fwdt_template *tmp, void *buf, ulong *len) 800 { 801 struct qla27xx_fwdt_entry *ent = (void *)tmp + tmp->entry_offset; 802 ulong count = tmp->entry_count; 803 804 ql_dbg(ql_dbg_misc, vha, 0xd01a, 805 "%s: entry count %lx\n", __func__, count); 806 while (count--) { 807 if (buf && *len >= vha->hw->fw_dump_len) 808 break; 809 if (qla27xx_find_entry(ent->hdr.entry_type)(vha, ent, buf, len)) 810 break; 811 ent = qla27xx_next_entry(ent); 812 } 813 814 if (count) 815 ql_dbg(ql_dbg_misc, vha, 0xd018, 816 "%s: entry residual count (%lx)\n", __func__, count); 817 818 if (ent->hdr.entry_type != ENTRY_TYPE_TMP_END) 819 ql_dbg(ql_dbg_misc, vha, 0xd019, 820 "%s: missing end entry (%lx)\n", __func__, count); 821 822 if (buf && *len != vha->hw->fw_dump_len) 823 ql_dbg(ql_dbg_misc, vha, 0xd01b, 824 "%s: length=%#lx residual=%+ld\n", 825 __func__, *len, vha->hw->fw_dump_len - *len); 826 827 if (buf) { 828 ql_log(ql_log_warn, vha, 0xd015, 829 "Firmware dump saved to temp buffer (%lu/%p)\n", 830 vha->host_no, vha->hw->fw_dump); 831 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 832 } 833 } 834 835 static void 836 qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp) 837 { 838 tmp->capture_timestamp = jiffies; 839 } 840 841 static void 842 qla27xx_driver_info(struct qla27xx_fwdt_template *tmp) 843 { 844 uint8_t v[] = { 0, 0, 0, 0, 0, 0 }; 845 846 sscanf(qla2x00_version_str, "%hhu.%hhu.%hhu.%hhu.%hhu.%hhu", 847 v+0, v+1, v+2, v+3, v+4, v+5); 848 849 tmp->driver_info[0] = v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0]; 850 tmp->driver_info[1] = v[5] << 8 | v[4]; 851 tmp->driver_info[2] = 0x12345678; 852 } 853 854 static void 855 qla27xx_firmware_info(struct qla27xx_fwdt_template *tmp, 856 struct scsi_qla_host *vha) 857 { 858 tmp->firmware_version[0] = vha->hw->fw_major_version; 859 tmp->firmware_version[1] = vha->hw->fw_minor_version; 860 tmp->firmware_version[2] = vha->hw->fw_subminor_version; 861 tmp->firmware_version[3] = 862 vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes; 863 tmp->firmware_version[4] = 864 vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0]; 865 } 866 867 static void 868 ql27xx_edit_template(struct scsi_qla_host *vha, 869 struct qla27xx_fwdt_template *tmp) 870 { 871 qla27xx_time_stamp(tmp); 872 qla27xx_driver_info(tmp); 873 qla27xx_firmware_info(tmp, vha); 874 } 875 876 static inline uint32_t 877 qla27xx_template_checksum(void *p, ulong size) 878 { 879 uint32_t *buf = p; 880 uint64_t sum = 0; 881 882 size /= sizeof(*buf); 883 884 while (size--) 885 sum += *buf++; 886 887 sum = (sum & 0xffffffff) + (sum >> 32); 888 889 return ~sum; 890 } 891 892 static inline int 893 qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp) 894 { 895 return qla27xx_template_checksum(tmp, tmp->template_size) == 0; 896 } 897 898 static inline int 899 qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp) 900 { 901 return tmp->template_type == TEMPLATE_TYPE_FWDUMP; 902 } 903 904 static void 905 qla27xx_execute_fwdt_template(struct scsi_qla_host *vha) 906 { 907 struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template; 908 ulong len; 909 910 if (qla27xx_fwdt_template_valid(tmp)) { 911 len = tmp->template_size; 912 tmp = memcpy(vha->hw->fw_dump, tmp, len); 913 ql27xx_edit_template(vha, tmp); 914 qla27xx_walk_template(vha, tmp, tmp, &len); 915 vha->hw->fw_dump_len = len; 916 vha->hw->fw_dumped = 1; 917 } 918 } 919 920 ulong 921 qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha) 922 { 923 struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template; 924 ulong len = 0; 925 926 if (qla27xx_fwdt_template_valid(tmp)) { 927 len = tmp->template_size; 928 qla27xx_walk_template(vha, tmp, NULL, &len); 929 } 930 931 return len; 932 } 933 934 ulong 935 qla27xx_fwdt_template_size(void *p) 936 { 937 struct qla27xx_fwdt_template *tmp = p; 938 939 return tmp->template_size; 940 } 941 942 ulong 943 qla27xx_fwdt_template_default_size(void) 944 { 945 return sizeof(ql27xx_fwdt_default_template); 946 } 947 948 const void * 949 qla27xx_fwdt_template_default(void) 950 { 951 return ql27xx_fwdt_default_template; 952 } 953 954 int 955 qla27xx_fwdt_template_valid(void *p) 956 { 957 struct qla27xx_fwdt_template *tmp = p; 958 959 if (!qla27xx_verify_template_header(tmp)) { 960 ql_log(ql_log_warn, NULL, 0xd01c, 961 "%s: template type %x\n", __func__, tmp->template_type); 962 return false; 963 } 964 965 if (!qla27xx_verify_template_checksum(tmp)) { 966 ql_log(ql_log_warn, NULL, 0xd01d, 967 "%s: failed template checksum\n", __func__); 968 return false; 969 } 970 971 return true; 972 } 973 974 void 975 qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked) 976 { 977 ulong flags = 0; 978 979 #ifndef __CHECKER__ 980 if (!hardware_locked) 981 spin_lock_irqsave(&vha->hw->hardware_lock, flags); 982 #endif 983 984 if (!vha->hw->fw_dump) 985 ql_log(ql_log_warn, vha, 0xd01e, "fwdump buffer missing.\n"); 986 else if (!vha->hw->fw_dump_template) 987 ql_log(ql_log_warn, vha, 0xd01f, "fwdump template missing.\n"); 988 else if (vha->hw->fw_dumped) 989 ql_log(ql_log_warn, vha, 0xd300, 990 "Firmware has been previously dumped (%p)," 991 " -- ignoring request\n", vha->hw->fw_dump); 992 else 993 qla27xx_execute_fwdt_template(vha); 994 995 #ifndef __CHECKER__ 996 if (!hardware_locked) 997 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); 998 #endif 999 } 1000