kernel/drivers/scsi/qla2xxx/qla_tmpl.c

   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         ql_dbg(ql_dbg_misc + ql_dbg_verbose, NULL, 0xd011,
 223             "Skipping entry %d\n", ent->hdr.entry_type);
 224 }
 225
 226 static int
 227 qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha,
 228         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 229 {
 230         ql_dbg(ql_dbg_misc, vha, 0xd100,
 231             "%s: nop [%lx]\n", __func__, *len);
 232         qla27xx_skip_entry(ent, buf);
 233
 234         return false;
 235 }
 236
 237 static int
 238 qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha,
 239         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 240 {
 241         ql_dbg(ql_dbg_misc, vha, 0xd1ff,
 242             "%s: end [%lx]\n", __func__, *len);
 243         qla27xx_skip_entry(ent, buf);
 244
 245         /* terminate */
 246         return true;
 247 }
 248
 249 static int
 250 qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha,
 251         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 252 {
 253         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 254
 255         ql_dbg(ql_dbg_misc, vha, 0xd200,
 256             "%s: rdio t1 [%lx]\n", __func__, *len);
 257         qla27xx_read_window(reg, ent->t256.base_addr, ent->t256.pci_offset,
 258             ent->t256.reg_count, ent->t256.reg_width, buf, len);
 259
 260         return false;
 261 }
 262
 263 static int
 264 qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha,
 265         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 266 {
 267         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 268
 269         ql_dbg(ql_dbg_misc, vha, 0xd201,
 270             "%s: wrio t1 [%lx]\n", __func__, *len);
 271         qla27xx_write_reg(reg, IOBASE_ADDR, ent->t257.base_addr, buf);
 272         qla27xx_write_reg(reg, ent->t257.pci_offset, ent->t257.write_data, buf);
 273
 274         return false;
 275 }
 276
 277 static int
 278 qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha,
 279         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 280 {
 281         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 282
 283         ql_dbg(ql_dbg_misc, vha, 0xd202,
 284             "%s: rdio t2 [%lx]\n", __func__, *len);
 285         qla27xx_write_reg(reg, ent->t258.banksel_offset, ent->t258.bank, buf);
 286         qla27xx_read_window(reg, ent->t258.base_addr, ent->t258.pci_offset,
 287             ent->t258.reg_count, ent->t258.reg_width, buf, len);
 288
 289         return false;
 290 }
 291
 292 static int
 293 qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha,
 294         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 295 {
 296         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 297
 298         ql_dbg(ql_dbg_misc, vha, 0xd203,
 299             "%s: wrio t2 [%lx]\n", __func__, *len);
 300         qla27xx_write_reg(reg, IOBASE_ADDR, ent->t259.base_addr, buf);
 301         qla27xx_write_reg(reg, ent->t259.banksel_offset, ent->t259.bank, buf);
 302         qla27xx_write_reg(reg, ent->t259.pci_offset, ent->t259.write_data, buf);
 303
 304         return false;
 305 }
 306
 307 static int
 308 qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha,
 309         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 310 {
 311         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 312
 313         ql_dbg(ql_dbg_misc, vha, 0xd204,
 314             "%s: rdpci [%lx]\n", __func__, *len);
 315         qla27xx_insert32(ent->t260.pci_offset, buf, len);
 316         qla27xx_read_reg(reg, ent->t260.pci_offset, buf, len);
 317
 318         return false;
 319 }
 320
 321 static int
 322 qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha,
 323         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 324 {
 325         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 326
 327         ql_dbg(ql_dbg_misc, vha, 0xd205,
 328             "%s: wrpci [%lx]\n", __func__, *len);
 329         qla27xx_write_reg(reg, ent->t261.pci_offset, ent->t261.write_data, buf);
 330
 331         return false;
 332 }
 333
 334 static int
 335 qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
 336         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 337 {
 338         ulong dwords;
 339         ulong start;
 340         ulong end;
 341
 342         ql_dbg(ql_dbg_misc, vha, 0xd206,
 343             "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len);
 344         start = ent->t262.start_addr;
 345         end = ent->t262.end_addr;
 346
 347         if (ent->t262.ram_area == T262_RAM_AREA_CRITICAL_RAM) {
 348                 ;
 349         } else if (ent->t262.ram_area == T262_RAM_AREA_EXTERNAL_RAM) {
 350                 end = vha->hw->fw_memory_size;
 351                 if (buf)
 352                         ent->t262.end_addr = end;
 353         } else if (ent->t262.ram_area == T262_RAM_AREA_SHARED_RAM) {
 354                 start = vha->hw->fw_shared_ram_start;
 355                 end = vha->hw->fw_shared_ram_end;
 356                 if (buf) {
 357                         ent->t262.start_addr = start;
 358                         ent->t262.end_addr = end;
 359                 }
 360         } else {
 361                 ql_dbg(ql_dbg_misc, vha, 0xd022,
 362                     "%s: unknown area %x\n", __func__, ent->t262.ram_area);
 363                 qla27xx_skip_entry(ent, buf);
 364                 goto done;
 365         }
 366
 367         if (end < start || end == 0) {
 368                 ql_dbg(ql_dbg_misc, vha, 0xd023,
 369                     "%s: unusable range (start=%x end=%x)\n", __func__,
 370                     ent->t262.end_addr, ent->t262.start_addr);
 371                 qla27xx_skip_entry(ent, buf);
 372                 goto done;
 373         }
 374
 375         dwords = end - start + 1;
 376         if (buf) {
 377                 buf += *len;
 378                 qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
 379         }
 380         *len += dwords * sizeof(uint32_t);
 381 done:
 382         return false;
 383 }
 384
 385 static int
 386 qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
 387         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 388 {
 389         uint count = 0;
 390         uint i;
 391         uint length;
 392
 393         ql_dbg(ql_dbg_misc, vha, 0xd207,
 394             "%s: getq(%x) [%lx]\n", __func__, ent->t263.queue_type, *len);
 395         if (ent->t263.queue_type == T263_QUEUE_TYPE_REQ) {
 396                 for (i = 0; i < vha->hw->max_req_queues; i++) {
 397                         struct req_que *req = vha->hw->req_q_map[i];
 398
 399                         if (!test_bit(i, vha->hw->req_qid_map))
 400                                 continue;
 401
 402                         if (req || !buf) {
 403                                 length = req ?
 404                                     req->length : REQUEST_ENTRY_CNT_24XX;
 405                                 qla27xx_insert16(i, buf, len);
 406                                 qla27xx_insert16(length, buf, len);
 407                                 qla27xx_insertbuf(req ? req->ring : NULL,
 408                                     length * sizeof(*req->ring), buf, len);
 409                                 count++;
 410                         }
 411                 }
 412         } else if (ent->t263.queue_type == T263_QUEUE_TYPE_RSP) {
 413                 for (i = 0; i < vha->hw->max_rsp_queues; i++) {
 414                         struct rsp_que *rsp = vha->hw->rsp_q_map[i];
 415
 416                         if (!test_bit(i, vha->hw->rsp_qid_map))
 417                                 continue;
 418
 419                         if (rsp || !buf) {
 420                                 length = rsp ?
 421                                     rsp->length : RESPONSE_ENTRY_CNT_MQ;
 422                                 qla27xx_insert16(i, buf, len);
 423                                 qla27xx_insert16(length, buf, len);
 424                                 qla27xx_insertbuf(rsp ? rsp->ring : NULL,
 425                                     length * sizeof(*rsp->ring), buf, len);
 426                                 count++;
 427                         }
 428                 }
 429         } else {
 430                 ql_dbg(ql_dbg_misc, vha, 0xd026,
 431                     "%s: unknown queue %x\n", __func__, ent->t263.queue_type);
 432                 qla27xx_skip_entry(ent, buf);
 433         }
 434
 435         if (buf)
 436                 ent->t263.num_queues = count;
 437
 438         return false;
 439 }
 440
 441 static int
 442 qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha,
 443         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 444 {
 445         ql_dbg(ql_dbg_misc, vha, 0xd208,
 446             "%s: getfce [%lx]\n", __func__, *len);
 447         if (vha->hw->fce) {
 448                 if (buf) {
 449                         ent->t264.fce_trace_size = FCE_SIZE;
 450                         ent->t264.write_pointer = vha->hw->fce_wr;
 451                         ent->t264.base_pointer = vha->hw->fce_dma;
 452                         ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0];
 453                         ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2];
 454                         ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3];
 455                         ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4];
 456                         ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5];
 457                         ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6];
 458                 }
 459                 qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len);
 460         } else {
 461                 ql_dbg(ql_dbg_misc, vha, 0xd027,
 462                     "%s: missing fce\n", __func__);
 463                 qla27xx_skip_entry(ent, buf);
 464         }
 465
 466         return false;
 467 }
 468
 469 static int
 470 qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha,
 471         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 472 {
 473         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 474
 475         ql_dbg(ql_dbg_misc, vha, 0xd209,
 476             "%s: pause risc [%lx]\n", __func__, *len);
 477         if (buf)
 478                 qla24xx_pause_risc(reg, vha->hw);
 479
 480         return false;
 481 }
 482
 483 static int
 484 qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha,
 485         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 486 {
 487         ql_dbg(ql_dbg_misc, vha, 0xd20a,
 488             "%s: reset risc [%lx]\n", __func__, *len);
 489         if (buf)
 490                 qla24xx_soft_reset(vha->hw);
 491
 492         return false;
 493 }
 494
 495 static int
 496 qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha,
 497         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 498 {
 499         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 500
 501         ql_dbg(ql_dbg_misc, vha, 0xd20b,
 502             "%s: dis intr [%lx]\n", __func__, *len);
 503         qla27xx_write_reg(reg, ent->t267.pci_offset, ent->t267.data, buf);
 504
 505         return false;
 506 }
 507
 508 static int
 509 qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha,
 510         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 511 {
 512         ql_dbg(ql_dbg_misc, vha, 0xd20c,
 513             "%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len);
 514         if (ent->t268.buf_type == T268_BUF_TYPE_EXTD_TRACE) {
 515                 if (vha->hw->eft) {
 516                         if (buf) {
 517                                 ent->t268.buf_size = EFT_SIZE;
 518                                 ent->t268.start_addr = vha->hw->eft_dma;
 519                         }
 520                         qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len);
 521                 } else {
 522                         ql_dbg(ql_dbg_misc, vha, 0xd028,
 523                             "%s: missing eft\n", __func__);
 524                         qla27xx_skip_entry(ent, buf);
 525                 }
 526         } else {
 527                 ql_dbg(ql_dbg_misc, vha, 0xd02b,
 528                     "%s: unknown buffer %x\n", __func__, ent->t268.buf_type);
 529                 qla27xx_skip_entry(ent, buf);
 530         }
 531
 532         return false;
 533 }
 534
 535 static int
 536 qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha,
 537         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 538 {
 539         ql_dbg(ql_dbg_misc, vha, 0xd20d,
 540             "%s: scratch [%lx]\n", __func__, *len);
 541         qla27xx_insert32(0xaaaaaaaa, buf, len);
 542         qla27xx_insert32(0xbbbbbbbb, buf, len);
 543         qla27xx_insert32(0xcccccccc, buf, len);
 544         qla27xx_insert32(0xdddddddd, buf, len);
 545         qla27xx_insert32(*len + sizeof(uint32_t), buf, len);
 546         if (buf)
 547                 ent->t269.scratch_size = 5 * sizeof(uint32_t);
 548
 549         return false;
 550 }
 551
 552 static int
 553 qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha,
 554         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 555 {
 556         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 557         ulong dwords = ent->t270.count;
 558         ulong addr = ent->t270.addr;
 559
 560         ql_dbg(ql_dbg_misc, vha, 0xd20e,
 561             "%s: rdremreg [%lx]\n", __func__, *len);
 562         qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
 563         while (dwords--) {
 564                 qla27xx_write_reg(reg, 0xc0, addr|0x80000000, buf);
 565                 qla27xx_insert32(addr, buf, len);
 566                 qla27xx_read_reg(reg, 0xc4, buf, len);
 567                 addr += sizeof(uint32_t);
 568         }
 569
 570         return false;
 571 }
 572
 573 static int
 574 qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha,
 575         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 576 {
 577         struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
 578         ulong addr = ent->t271.addr;
 579         ulong data = ent->t271.data;
 580
 581         ql_dbg(ql_dbg_misc, vha, 0xd20f,
 582             "%s: wrremreg [%lx]\n", __func__, *len);
 583         qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
 584         qla27xx_write_reg(reg, 0xc4, data, buf);
 585         qla27xx_write_reg(reg, 0xc0, addr, buf);
 586
 587         return false;
 588 }
 589
 590 static int
 591 qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha,
 592         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 593 {
 594         ulong dwords = ent->t272.count;
 595         ulong start = ent->t272.addr;
 596
 597         ql_dbg(ql_dbg_misc, vha, 0xd210,
 598             "%s: rdremram [%lx]\n", __func__, *len);
 599         if (buf) {
 600                 ql_dbg(ql_dbg_misc, vha, 0xd02c,
 601                     "%s: @%lx -> (%lx dwords)\n", __func__, start, dwords);
 602                 buf += *len;
 603                 qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf);
 604         }
 605         *len += dwords * sizeof(uint32_t);
 606
 607         return false;
 608 }
 609
 610 static int
 611 qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha,
 612         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 613 {
 614         ulong dwords = ent->t273.count;
 615         ulong addr = ent->t273.addr;
 616         uint32_t value;
 617
 618         ql_dbg(ql_dbg_misc, vha, 0xd211,
 619             "%s: pcicfg [%lx]\n", __func__, *len);
 620         while (dwords--) {
 621                 value = ~0;
 622                 if (pci_read_config_dword(vha->hw->pdev, addr, &value))
 623                         ql_dbg(ql_dbg_misc, vha, 0xd02d,
 624                             "%s: failed pcicfg read at %lx\n", __func__, addr);
 625                 qla27xx_insert32(addr, buf, len);
 626                 qla27xx_insert32(value, buf, len);
 627                 addr += sizeof(uint32_t);
 628         }
 629
 630         return false;
 631 }
 632
 633 static int
 634 qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
 635         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 636 {
 637         uint count = 0;
 638         uint i;
 639
 640         ql_dbg(ql_dbg_misc, vha, 0xd212,
 641             "%s: getqsh(%x) [%lx]\n", __func__, ent->t274.queue_type, *len);
 642         if (ent->t274.queue_type == T274_QUEUE_TYPE_REQ_SHAD) {
 643                 for (i = 0; i < vha->hw->max_req_queues; i++) {
 644                         struct req_que *req = vha->hw->req_q_map[i];
 645
 646                         if (!test_bit(i, vha->hw->req_qid_map))
 647                                 continue;
 648
 649                         if (req || !buf) {
 650                                 qla27xx_insert16(i, buf, len);
 651                                 qla27xx_insert16(1, buf, len);
 652                                 qla27xx_insert32(req && req->out_ptr ?
 653                                     *req->out_ptr : 0, buf, len);
 654                                 count++;
 655                         }
 656                 }
 657         } else if (ent->t274.queue_type == T274_QUEUE_TYPE_RSP_SHAD) {
 658                 for (i = 0; i < vha->hw->max_rsp_queues; i++) {
 659                         struct rsp_que *rsp = vha->hw->rsp_q_map[i];
 660
 661                         if (!test_bit(i, vha->hw->rsp_qid_map))
 662                                 continue;
 663
 664                         if (rsp || !buf) {
 665                                 qla27xx_insert16(i, buf, len);
 666                                 qla27xx_insert16(1, buf, len);
 667                                 qla27xx_insert32(rsp && rsp->in_ptr ?
 668                                     *rsp->in_ptr : 0, buf, len);
 669                                 count++;
 670                         }
 671                 }
 672         } else {
 673                 ql_dbg(ql_dbg_misc, vha, 0xd02f,
 674                     "%s: unknown queue %x\n", __func__, ent->t274.queue_type);
 675                 qla27xx_skip_entry(ent, buf);
 676         }
 677
 678         if (buf)
 679                 ent->t274.num_queues = count;
 680
 681         if (!count)
 682                 qla27xx_skip_entry(ent, buf);
 683
 684         return false;
 685 }
 686
 687 static int
 688 qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha,
 689         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 690 {
 691         ulong offset = offsetof(typeof(*ent), t275.buffer);
 692
 693         ql_dbg(ql_dbg_misc, vha, 0xd213,
 694             "%s: buffer(%x) [%lx]\n", __func__, ent->t275.length, *len);
 695         if (!ent->t275.length) {
 696                 ql_dbg(ql_dbg_misc, vha, 0xd020,
 697                     "%s: buffer zero length\n", __func__);
 698                 qla27xx_skip_entry(ent, buf);
 699                 goto done;
 700         }
 701         if (offset + ent->t275.length > ent->hdr.entry_size) {
 702                 ql_dbg(ql_dbg_misc, vha, 0xd030,
 703                     "%s: buffer overflow\n", __func__);
 704                 qla27xx_skip_entry(ent, buf);
 705                 goto done;
 706         }
 707
 708         qla27xx_insertbuf(ent->t275.buffer, ent->t275.length, buf, len);
 709 done:
 710         return false;
 711 }
 712
 713 static int
 714 qla27xx_fwdt_entry_other(struct scsi_qla_host *vha,
 715         struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
 716 {
 717         ql_dbg(ql_dbg_misc, vha, 0xd2ff,
 718             "%s: type %x [%lx]\n", __func__, ent->hdr.entry_type, *len);
 719         qla27xx_skip_entry(ent, buf);
 720
 721         return false;
 722 }
 723
 724 struct qla27xx_fwdt_entry_call {
 725         uint type;
 726         int (*call)(
 727             struct scsi_qla_host *,
 728             struct qla27xx_fwdt_entry *,
 729             void *,
 730             ulong *);
 731 };
 732
 733 static struct qla27xx_fwdt_entry_call ql27xx_fwdt_entry_call_list[] = {
 734         { ENTRY_TYPE_NOP                , qla27xx_fwdt_entry_t0    } ,
 735         { ENTRY_TYPE_TMP_END            , qla27xx_fwdt_entry_t255  } ,
 736         { ENTRY_TYPE_RD_IOB_T1          , qla27xx_fwdt_entry_t256  } ,
 737         { ENTRY_TYPE_WR_IOB_T1          , qla27xx_fwdt_entry_t257  } ,
 738         { ENTRY_TYPE_RD_IOB_T2          , qla27xx_fwdt_entry_t258  } ,
 739         { ENTRY_TYPE_WR_IOB_T2          , qla27xx_fwdt_entry_t259  } ,
 740         { ENTRY_TYPE_RD_PCI             , qla27xx_fwdt_entry_t260  } ,
 741         { ENTRY_TYPE_WR_PCI             , qla27xx_fwdt_entry_t261  } ,
 742         { ENTRY_TYPE_RD_RAM             , qla27xx_fwdt_entry_t262  } ,
 743         { ENTRY_TYPE_GET_QUEUE          , qla27xx_fwdt_entry_t263  } ,
 744         { ENTRY_TYPE_GET_FCE            , qla27xx_fwdt_entry_t264  } ,
 745         { ENTRY_TYPE_PSE_RISC           , qla27xx_fwdt_entry_t265  } ,
 746         { ENTRY_TYPE_RST_RISC           , qla27xx_fwdt_entry_t266  } ,
 747         { ENTRY_TYPE_DIS_INTR           , qla27xx_fwdt_entry_t267  } ,
 748         { ENTRY_TYPE_GET_HBUF           , qla27xx_fwdt_entry_t268  } ,
 749         { ENTRY_TYPE_SCRATCH            , qla27xx_fwdt_entry_t269  } ,
 750         { ENTRY_TYPE_RDREMREG           , qla27xx_fwdt_entry_t270  } ,
 751         { ENTRY_TYPE_WRREMREG           , qla27xx_fwdt_entry_t271  } ,
 752         { ENTRY_TYPE_RDREMRAM           , qla27xx_fwdt_entry_t272  } ,
 753         { ENTRY_TYPE_PCICFG             , qla27xx_fwdt_entry_t273  } ,
 754         { ENTRY_TYPE_GET_SHADOW         , qla27xx_fwdt_entry_t274  } ,
 755         { ENTRY_TYPE_WRITE_BUF          , qla27xx_fwdt_entry_t275  } ,
 756         { -1                            , qla27xx_fwdt_entry_other }
 757 };
 758
 759 static inline int (*qla27xx_find_entry(uint type))
 760         (struct scsi_qla_host *, struct qla27xx_fwdt_entry *, void *, ulong *)
 761 {
 762         struct qla27xx_fwdt_entry_call *list = ql27xx_fwdt_entry_call_list;
 763
 764         while (list->type < type)
 765                 list++;
 766
 767         if (list->type == type)
 768                 return list->call;
 769         return qla27xx_fwdt_entry_other;
 770 }
 771
 772 static inline void *
 773 qla27xx_next_entry(void *p)
 774 {
 775         struct qla27xx_fwdt_entry *ent = p;
 776
 777         return p + ent->hdr.entry_size;
 778 }
 779
 780 static void
 781 qla27xx_walk_template(struct scsi_qla_host *vha,
 782         struct qla27xx_fwdt_template *tmp, void *buf, ulong *len)
 783 {
 784         struct qla27xx_fwdt_entry *ent = (void *)tmp + tmp->entry_offset;
 785         ulong count = tmp->entry_count;
 786
 787         ql_dbg(ql_dbg_misc, vha, 0xd01a,
 788             "%s: entry count %lx\n", __func__, count);
 789         while (count--) {
 790                 if (qla27xx_find_entry(ent->hdr.entry_type)(vha, ent, buf, len))
 791                         break;
 792                 ent = qla27xx_next_entry(ent);
 793         }
 794
 795         if (count)
 796                 ql_dbg(ql_dbg_misc, vha, 0xd018,
 797                     "%s: residual count (%lx)\n", __func__, count);
 798
 799         if (ent->hdr.entry_type != ENTRY_TYPE_TMP_END)
 800                 ql_dbg(ql_dbg_misc, vha, 0xd019,
 801                     "%s: missing end (%lx)\n", __func__, count);
 802
 803         ql_dbg(ql_dbg_misc, vha, 0xd01b,
 804             "%s: len=%lx\n", __func__, *len);
 805
 806         if (buf) {
 807                 ql_log(ql_log_warn, vha, 0xd015,
 808                     "Firmware dump saved to temp buffer (%ld/%p)\n",
 809                     vha->host_no, vha->hw->fw_dump);
 810                 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
 811         }
 812 }
 813
 814 static void
 815 qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp)
 816 {
 817         tmp->capture_timestamp = jiffies;
 818 }
 819
 820 static void
 821 qla27xx_driver_info(struct qla27xx_fwdt_template *tmp)
 822 {
 823         uint8_t v[] = { 0, 0, 0, 0, 0, 0 };
 824
 825         sscanf(qla2x00_version_str, "%hhu.%hhu.%hhu.%hhu.%hhu.%hhu",
 826             v+0, v+1, v+2, v+3, v+4, v+5);
 827
 828         tmp->driver_info[0] = v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0];
 829         tmp->driver_info[1] = v[5] << 8 | v[4];
 830         tmp->driver_info[2] = 0x12345678;
 831 }
 832
 833 static void
 834 qla27xx_firmware_info(struct qla27xx_fwdt_template *tmp,
 835         struct scsi_qla_host *vha)
 836 {
 837         tmp->firmware_version[0] = vha->hw->fw_major_version;
 838         tmp->firmware_version[1] = vha->hw->fw_minor_version;
 839         tmp->firmware_version[2] = vha->hw->fw_subminor_version;
 840         tmp->firmware_version[3] =
 841             vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes;
 842         tmp->firmware_version[4] =
 843             vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0];
 844 }
 845
 846 static void
 847 ql27xx_edit_template(struct scsi_qla_host *vha,
 848         struct qla27xx_fwdt_template *tmp)
 849 {
 850         qla27xx_time_stamp(tmp);
 851         qla27xx_driver_info(tmp);
 852         qla27xx_firmware_info(tmp, vha);
 853 }
 854
 855 static inline uint32_t
 856 qla27xx_template_checksum(void *p, ulong size)
 857 {
 858         uint32_t *buf = p;
 859         uint64_t sum = 0;
 860
 861         size /= sizeof(*buf);
 862
 863         while (size--)
 864                 sum += *buf++;
 865
 866         sum = (sum & 0xffffffff) + (sum >> 32);
 867
 868         return ~sum;
 869 }
 870
 871 static inline int
 872 qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp)
 873 {
 874         return qla27xx_template_checksum(tmp, tmp->template_size) == 0;
 875 }
 876
 877 static inline int
 878 qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp)
 879 {
 880         return tmp->template_type == TEMPLATE_TYPE_FWDUMP;
 881 }
 882
 883 static void
 884 qla27xx_execute_fwdt_template(struct scsi_qla_host *vha)
 885 {
 886         struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
 887         ulong len;
 888
 889         if (qla27xx_fwdt_template_valid(tmp)) {
 890                 len = tmp->template_size;
 891                 tmp = memcpy(vha->hw->fw_dump, tmp, len);
 892                 ql27xx_edit_template(vha, tmp);
 893                 qla27xx_walk_template(vha, tmp, tmp, &len);
 894                 vha->hw->fw_dump_len = len;
 895                 vha->hw->fw_dumped = 1;
 896         }
 897 }
 898
 899 ulong
 900 qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha)
 901 {
 902         struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
 903         ulong len = 0;
 904
 905         if (qla27xx_fwdt_template_valid(tmp)) {
 906                 len = tmp->template_size;
 907                 qla27xx_walk_template(vha, tmp, NULL, &len);
 908         }
 909
 910         return len;
 911 }
 912
 913 ulong
 914 qla27xx_fwdt_template_size(void *p)
 915 {
 916         struct qla27xx_fwdt_template *tmp = p;
 917
 918         return tmp->template_size;
 919 }
 920
 921 ulong
 922 qla27xx_fwdt_template_default_size(void)
 923 {
 924         return sizeof(ql27xx_fwdt_default_template);
 925 }
 926
 927 const void *
 928 qla27xx_fwdt_template_default(void)
 929 {
 930         return ql27xx_fwdt_default_template;
 931 }
 932
 933 int
 934 qla27xx_fwdt_template_valid(void *p)
 935 {
 936         struct qla27xx_fwdt_template *tmp = p;
 937
 938         if (!qla27xx_verify_template_header(tmp)) {
 939                 ql_log(ql_log_warn, NULL, 0xd01c,
 940                     "%s: template type %x\n", __func__, tmp->template_type);
 941                 return false;
 942         }
 943
 944         if (!qla27xx_verify_template_checksum(tmp)) {
 945                 ql_log(ql_log_warn, NULL, 0xd01d,
 946                     "%s: failed template checksum\n", __func__);
 947                 return false;
 948         }
 949
 950         return true;
 951 }
 952
 953 void
 954 qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
 955 {
 956         ulong flags = 0;
 957
 958 #ifndef __CHECKER__
 959         if (!hardware_locked)
 960                 spin_lock_irqsave(&vha->hw->hardware_lock, flags);
 961 #endif
 962
 963         if (!vha->hw->fw_dump)
 964                 ql_log(ql_log_warn, vha, 0xd01e, "fwdump buffer missing.\n");
 965         else if (!vha->hw->fw_dump_template)
 966                 ql_log(ql_log_warn, vha, 0xd01f, "fwdump template missing.\n");
 967         else if (vha->hw->fw_dumped)
 968                 ql_log(ql_log_warn, vha, 0xd300,
 969                     "Firmware has been previously dumped (%p),"
 970                     " -- ignoring request\n", vha->hw->fw_dump);
 971         else
 972                 qla27xx_execute_fwdt_template(vha);
 973
 974 #ifndef __CHECKER__
 975         if (!hardware_locked)
 976                 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
 977 #endif
 978 }