drivers/scsi/qla2xxx/qla_sup.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2011 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/delay.h>
  10 #include <linux/slab.h>
  11 #include <linux/vmalloc.h>
  12 #include <asm/uaccess.h>
  13
  14 /*
  15  * NVRAM support routines
  16  */
  17
  18 /**
  19  * qla2x00_lock_nvram_access() -
  20  * @ha: HA context
  21  */
  22 static void
  23 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
  24 {
  25         uint16_t data;
  26         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  27
  28         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  29                 data = RD_REG_WORD(&reg->nvram);
  30                 while (data & NVR_BUSY) {
  31                         udelay(100);
  32                         data = RD_REG_WORD(&reg->nvram);
  33                 }
  34
  35                 /* Lock resource */
  36                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  37                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  38                 udelay(5);
  39                 data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  40                 while ((data & BIT_0) == 0) {
  41                         /* Lock failed */
  42                         udelay(100);
  43                         WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  44                         RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  45                         udelay(5);
  46                         data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  47                 }
  48         }
  49 }
  50
  51 /**
  52  * qla2x00_unlock_nvram_access() -
  53  * @ha: HA context
  54  */
  55 static void
  56 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
  57 {
  58         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  59
  60         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  61                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
  62                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  63         }
  64 }
  65
  66 /**
  67  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
  68  * @ha: HA context
  69  * @data: Serial interface selector
  70  */
  71 static void
  72 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
  73 {
  74         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  75
  76         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  77         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  78         NVRAM_DELAY();
  79         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
  80             NVR_WRT_ENABLE);
  81         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  82         NVRAM_DELAY();
  83         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  84         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  85         NVRAM_DELAY();
  86 }
  87
  88 /**
  89  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
  90  *      NVRAM.
  91  * @ha: HA context
  92  * @nv_cmd: NVRAM command
  93  *
  94  * Bit definitions for NVRAM command:
  95  *
  96  *      Bit 26     = start bit
  97  *      Bit 25, 24 = opcode
  98  *      Bit 23-16  = address
  99  *      Bit 15-0   = write data
 100  *
 101  * Returns the word read from nvram @addr.
 102  */
 103 static uint16_t
 104 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
 105 {
 106         uint8_t         cnt;
 107         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 108         uint16_t        data = 0;
 109         uint16_t        reg_data;
 110
 111         /* Send command to NVRAM. */
 112         nv_cmd <<= 5;
 113         for (cnt = 0; cnt < 11; cnt++) {
 114                 if (nv_cmd & BIT_31)
 115                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 116                 else
 117                         qla2x00_nv_write(ha, 0);
 118                 nv_cmd <<= 1;
 119         }
 120
 121         /* Read data from NVRAM. */
 122         for (cnt = 0; cnt < 16; cnt++) {
 123                 WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
 124                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 125                 NVRAM_DELAY();
 126                 data <<= 1;
 127                 reg_data = RD_REG_WORD(&reg->nvram);
 128                 if (reg_data & NVR_DATA_IN)
 129                         data |= BIT_0;
 130                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 131                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 132                 NVRAM_DELAY();
 133         }
 134
 135         /* Deselect chip. */
 136         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 137         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 138         NVRAM_DELAY();
 139
 140         return data;
 141 }
 142
 143
 144 /**
 145  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
 146  *      request routine to get the word from NVRAM.
 147  * @ha: HA context
 148  * @addr: Address in NVRAM to read
 149  *
 150  * Returns the word read from nvram @addr.
 151  */
 152 static uint16_t
 153 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
 154 {
 155         uint16_t        data;
 156         uint32_t        nv_cmd;
 157
 158         nv_cmd = addr << 16;
 159         nv_cmd |= NV_READ_OP;
 160         data = qla2x00_nvram_request(ha, nv_cmd);
 161
 162         return (data);
 163 }
 164
 165 /**
 166  * qla2x00_nv_deselect() - Deselect NVRAM operations.
 167  * @ha: HA context
 168  */
 169 static void
 170 qla2x00_nv_deselect(struct qla_hw_data *ha)
 171 {
 172         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 173
 174         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 175         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 176         NVRAM_DELAY();
 177 }
 178
 179 /**
 180  * qla2x00_write_nvram_word() - Write NVRAM data.
 181  * @ha: HA context
 182  * @addr: Address in NVRAM to write
 183  * @data: word to program
 184  */
 185 static void
 186 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
 187 {
 188         int count;
 189         uint16_t word;
 190         uint32_t nv_cmd, wait_cnt;
 191         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 192
 193         qla2x00_nv_write(ha, NVR_DATA_OUT);
 194         qla2x00_nv_write(ha, 0);
 195         qla2x00_nv_write(ha, 0);
 196
 197         for (word = 0; word < 8; word++)
 198                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 199
 200         qla2x00_nv_deselect(ha);
 201
 202         /* Write data */
 203         nv_cmd = (addr << 16) | NV_WRITE_OP;
 204         nv_cmd |= data;
 205         nv_cmd <<= 5;
 206         for (count = 0; count < 27; count++) {
 207                 if (nv_cmd & BIT_31)
 208                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 209                 else
 210                         qla2x00_nv_write(ha, 0);
 211
 212                 nv_cmd <<= 1;
 213         }
 214
 215         qla2x00_nv_deselect(ha);
 216
 217         /* Wait for NVRAM to become ready */
 218         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 219         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 220         wait_cnt = NVR_WAIT_CNT;
 221         do {
 222                 if (!--wait_cnt) {
 223                         DEBUG9_10(qla_printk(KERN_WARNING, ha,
 224                             "NVRAM didn't go ready...\n"));
 225                         break;
 226                 }
 227                 NVRAM_DELAY();
 228                 word = RD_REG_WORD(&reg->nvram);
 229         } while ((word & NVR_DATA_IN) == 0);
 230
 231         qla2x00_nv_deselect(ha);
 232
 233         /* Disable writes */
 234         qla2x00_nv_write(ha, NVR_DATA_OUT);
 235         for (count = 0; count < 10; count++)
 236                 qla2x00_nv_write(ha, 0);
 237
 238         qla2x00_nv_deselect(ha);
 239 }
 240
 241 static int
 242 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
 243         uint16_t data, uint32_t tmo)
 244 {
 245         int ret, count;
 246         uint16_t word;
 247         uint32_t nv_cmd;
 248         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 249
 250         ret = QLA_SUCCESS;
 251
 252         qla2x00_nv_write(ha, NVR_DATA_OUT);
 253         qla2x00_nv_write(ha, 0);
 254         qla2x00_nv_write(ha, 0);
 255
 256         for (word = 0; word < 8; word++)
 257                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 258
 259         qla2x00_nv_deselect(ha);
 260
 261         /* Write data */
 262         nv_cmd = (addr << 16) | NV_WRITE_OP;
 263         nv_cmd |= data;
 264         nv_cmd <<= 5;
 265         for (count = 0; count < 27; count++) {
 266                 if (nv_cmd & BIT_31)
 267                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 268                 else
 269                         qla2x00_nv_write(ha, 0);
 270
 271                 nv_cmd <<= 1;
 272         }
 273
 274         qla2x00_nv_deselect(ha);
 275
 276         /* Wait for NVRAM to become ready */
 277         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 278         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 279         do {
 280                 NVRAM_DELAY();
 281                 word = RD_REG_WORD(&reg->nvram);
 282                 if (!--tmo) {
 283                         ret = QLA_FUNCTION_FAILED;
 284                         break;
 285                 }
 286         } while ((word & NVR_DATA_IN) == 0);
 287
 288         qla2x00_nv_deselect(ha);
 289
 290         /* Disable writes */
 291         qla2x00_nv_write(ha, NVR_DATA_OUT);
 292         for (count = 0; count < 10; count++)
 293                 qla2x00_nv_write(ha, 0);
 294
 295         qla2x00_nv_deselect(ha);
 296
 297         return ret;
 298 }
 299
 300 /**
 301  * qla2x00_clear_nvram_protection() -
 302  * @ha: HA context
 303  */
 304 static int
 305 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
 306 {
 307         int ret, stat;
 308         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 309         uint32_t word, wait_cnt;
 310         uint16_t wprot, wprot_old;
 311
 312         /* Clear NVRAM write protection. */
 313         ret = QLA_FUNCTION_FAILED;
 314
 315         wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 316         stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
 317             __constant_cpu_to_le16(0x1234), 100000);
 318         wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 319         if (stat != QLA_SUCCESS || wprot != 0x1234) {
 320                 /* Write enable. */
 321                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 322                 qla2x00_nv_write(ha, 0);
 323                 qla2x00_nv_write(ha, 0);
 324                 for (word = 0; word < 8; word++)
 325                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 326
 327                 qla2x00_nv_deselect(ha);
 328
 329                 /* Enable protection register. */
 330                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 331                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 332                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 333                 for (word = 0; word < 8; word++)
 334                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 335
 336                 qla2x00_nv_deselect(ha);
 337
 338                 /* Clear protection register (ffff is cleared). */
 339                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 340                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 341                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 342                 for (word = 0; word < 8; word++)
 343                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 344
 345                 qla2x00_nv_deselect(ha);
 346
 347                 /* Wait for NVRAM to become ready. */
 348                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 349                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 350                 wait_cnt = NVR_WAIT_CNT;
 351                 do {
 352                         if (!--wait_cnt) {
 353                                 DEBUG9_10(qla_printk(KERN_WARNING, ha,
 354                                     "NVRAM didn't go ready...\n"));
 355                                 break;
 356                         }
 357                         NVRAM_DELAY();
 358                         word = RD_REG_WORD(&reg->nvram);
 359                 } while ((word & NVR_DATA_IN) == 0);
 360
 361                 if (wait_cnt)
 362                         ret = QLA_SUCCESS;
 363         } else
 364                 qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
 365
 366         return ret;
 367 }
 368
 369 static void
 370 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
 371 {
 372         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 373         uint32_t word, wait_cnt;
 374
 375         if (stat != QLA_SUCCESS)
 376                 return;
 377
 378         /* Set NVRAM write protection. */
 379         /* Write enable. */
 380         qla2x00_nv_write(ha, NVR_DATA_OUT);
 381         qla2x00_nv_write(ha, 0);
 382         qla2x00_nv_write(ha, 0);
 383         for (word = 0; word < 8; word++)
 384                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 385
 386         qla2x00_nv_deselect(ha);
 387
 388         /* Enable protection register. */
 389         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 390         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 391         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 392         for (word = 0; word < 8; word++)
 393                 qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 394
 395         qla2x00_nv_deselect(ha);
 396
 397         /* Enable protection register. */
 398         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 399         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 400         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 401         for (word = 0; word < 8; word++)
 402                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 403
 404         qla2x00_nv_deselect(ha);
 405
 406         /* Wait for NVRAM to become ready. */
 407         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 408         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 409         wait_cnt = NVR_WAIT_CNT;
 410         do {
 411                 if (!--wait_cnt) {
 412                         DEBUG9_10(qla_printk(KERN_WARNING, ha,
 413                             "NVRAM didn't go ready...\n"));
 414                         break;
 415                 }
 416                 NVRAM_DELAY();
 417                 word = RD_REG_WORD(&reg->nvram);
 418         } while ((word & NVR_DATA_IN) == 0);
 419 }
 420
 421
 422 /*****************************************************************************/
 423 /* Flash Manipulation Routines                                               */
 424 /*****************************************************************************/
 425
 426 static inline uint32_t
 427 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
 428 {
 429         return ha->flash_conf_off | faddr;
 430 }
 431
 432 static inline uint32_t
 433 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
 434 {
 435         return ha->flash_data_off | faddr;
 436 }
 437
 438 static inline uint32_t
 439 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
 440 {
 441         return ha->nvram_conf_off | naddr;
 442 }
 443
 444 static inline uint32_t
 445 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
 446 {
 447         return ha->nvram_data_off | naddr;
 448 }
 449
 450 static uint32_t
 451 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
 452 {
 453         int rval;
 454         uint32_t cnt, data;
 455         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 456
 457         WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
 458         /* Wait for READ cycle to complete. */
 459         rval = QLA_SUCCESS;
 460         for (cnt = 3000;
 461             (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
 462             rval == QLA_SUCCESS; cnt--) {
 463                 if (cnt)
 464                         udelay(10);
 465                 else
 466                         rval = QLA_FUNCTION_TIMEOUT;
 467                 cond_resched();
 468         }
 469
 470         /* TODO: What happens if we time out? */
 471         data = 0xDEADDEAD;
 472         if (rval == QLA_SUCCESS)
 473                 data = RD_REG_DWORD(&reg->flash_data);
 474
 475         return data;
 476 }
 477
 478 uint32_t *
 479 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
 480     uint32_t dwords)
 481 {
 482         uint32_t i;
 483         struct qla_hw_data *ha = vha->hw;
 484
 485         /* Dword reads to flash. */
 486         for (i = 0; i < dwords; i++, faddr++)
 487                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 488                     flash_data_addr(ha, faddr)));
 489
 490         return dwptr;
 491 }
 492
 493 static int
 494 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
 495 {
 496         int rval;
 497         uint32_t cnt;
 498         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 499
 500         WRT_REG_DWORD(&reg->flash_data, data);
 501         RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
 502         WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
 503         /* Wait for Write cycle to complete. */
 504         rval = QLA_SUCCESS;
 505         for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
 506             rval == QLA_SUCCESS; cnt--) {
 507                 if (cnt)
 508                         udelay(10);
 509                 else
 510                         rval = QLA_FUNCTION_TIMEOUT;
 511                 cond_resched();
 512         }
 513         return rval;
 514 }
 515
 516 static void
 517 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
 518     uint8_t *flash_id)
 519 {
 520         uint32_t ids;
 521
 522         ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
 523         *man_id = LSB(ids);
 524         *flash_id = MSB(ids);
 525
 526         /* Check if man_id and flash_id are valid. */
 527         if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
 528                 /* Read information using 0x9f opcode
 529                  * Device ID, Mfg ID would be read in the format:
 530                  *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
 531                  * Example: ATMEL 0x00 01 45 1F
 532                  * Extract MFG and Dev ID from last two bytes.
 533                  */
 534                 ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
 535                 *man_id = LSB(ids);
 536                 *flash_id = MSB(ids);
 537         }
 538 }
 539
 540 static int
 541 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
 542 {
 543         const char *loc, *locations[] = { "DEF", "PCI" };
 544         uint32_t pcihdr, pcids;
 545         uint32_t *dcode;
 546         uint8_t *buf, *bcode, last_image;
 547         uint16_t cnt, chksum, *wptr;
 548         struct qla_flt_location *fltl;
 549         struct qla_hw_data *ha = vha->hw;
 550         struct req_que *req = ha->req_q_map[0];
 551
 552         /*
 553          * FLT-location structure resides after the last PCI region.
 554          */
 555
 556         /* Begin with sane defaults. */
 557         loc = locations[0];
 558         *start = 0;
 559         if (IS_QLA24XX_TYPE(ha))
 560                 *start = FA_FLASH_LAYOUT_ADDR_24;
 561         else if (IS_QLA25XX(ha))
 562                 *start = FA_FLASH_LAYOUT_ADDR;
 563         else if (IS_QLA81XX(ha))
 564                 *start = FA_FLASH_LAYOUT_ADDR_81;
 565         else if (IS_QLA82XX(ha)) {
 566                 *start = FA_FLASH_LAYOUT_ADDR_82;
 567                 goto end;
 568         }
 569         /* Begin with first PCI expansion ROM header. */
 570         buf = (uint8_t *)req->ring;
 571         dcode = (uint32_t *)req->ring;
 572         pcihdr = 0;
 573         last_image = 1;
 574         do {
 575                 /* Verify PCI expansion ROM header. */
 576                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
 577                 bcode = buf + (pcihdr % 4);
 578                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
 579                         goto end;
 580
 581                 /* Locate PCI data structure. */
 582                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
 583                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
 584                 bcode = buf + (pcihdr % 4);
 585
 586                 /* Validate signature of PCI data structure. */
 587                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
 588                     bcode[0x2] != 'I' || bcode[0x3] != 'R')
 589                         goto end;
 590
 591                 last_image = bcode[0x15] & BIT_7;
 592
 593                 /* Locate next PCI expansion ROM. */
 594                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
 595         } while (!last_image);
 596
 597         /* Now verify FLT-location structure. */
 598         fltl = (struct qla_flt_location *)req->ring;
 599         qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
 600             sizeof(struct qla_flt_location) >> 2);
 601         if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
 602             fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
 603                 goto end;
 604
 605         wptr = (uint16_t *)req->ring;
 606         cnt = sizeof(struct qla_flt_location) >> 1;
 607         for (chksum = 0; cnt; cnt--)
 608                 chksum += le16_to_cpu(*wptr++);
 609         if (chksum) {
 610                 qla_printk(KERN_ERR, ha,
 611                     "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
 612                 qla2x00_dump_buffer(buf, sizeof(struct qla_flt_location));
 613                 return QLA_FUNCTION_FAILED;
 614         }
 615
 616         /* Good data.  Use specified location. */
 617         loc = locations[1];
 618         *start = (le16_to_cpu(fltl->start_hi) << 16 |
 619             le16_to_cpu(fltl->start_lo)) >> 2;
 620 end:
 621         DEBUG2(qla_printk(KERN_DEBUG, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
 622         return QLA_SUCCESS;
 623 }
 624
 625 static void
 626 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 627 {
 628         const char *loc, *locations[] = { "DEF", "FLT" };
 629         const uint32_t def_fw[] =
 630                 { FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
 631         const uint32_t def_boot[] =
 632                 { FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
 633         const uint32_t def_vpd_nvram[] =
 634                 { FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
 635         const uint32_t def_vpd0[] =
 636                 { 0, 0, FA_VPD0_ADDR_81 };
 637         const uint32_t def_vpd1[] =
 638                 { 0, 0, FA_VPD1_ADDR_81 };
 639         const uint32_t def_nvram0[] =
 640                 { 0, 0, FA_NVRAM0_ADDR_81 };
 641         const uint32_t def_nvram1[] =
 642                 { 0, 0, FA_NVRAM1_ADDR_81 };
 643         const uint32_t def_fdt[] =
 644                 { FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
 645                         FA_FLASH_DESCR_ADDR_81 };
 646         const uint32_t def_npiv_conf0[] =
 647                 { FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
 648                         FA_NPIV_CONF0_ADDR_81 };
 649         const uint32_t def_npiv_conf1[] =
 650                 { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
 651                         FA_NPIV_CONF1_ADDR_81 };
 652         const uint32_t fcp_prio_cfg0[] =
 653                 { FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
 654                         0 };
 655         const uint32_t fcp_prio_cfg1[] =
 656                 { FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
 657                         0 };
 658         uint32_t def;
 659         uint16_t *wptr;
 660         uint16_t cnt, chksum;
 661         uint32_t start;
 662         struct qla_flt_header *flt;
 663         struct qla_flt_region *region;
 664         struct qla_hw_data *ha = vha->hw;
 665         struct req_que *req = ha->req_q_map[0];
 666
 667         def = 0;
 668         if (IS_QLA25XX(ha))
 669                 def = 1;
 670         else if (IS_QLA81XX(ha))
 671                 def = 2;
 672
 673         /* Assign FCP prio region since older adapters may not have FLT, or
 674            FCP prio region in it's FLT.
 675          */
 676         ha->flt_region_fcp_prio = ha->flags.port0 ?
 677             fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
 678
 679         ha->flt_region_flt = flt_addr;
 680         wptr = (uint16_t *)req->ring;
 681         flt = (struct qla_flt_header *)req->ring;
 682         region = (struct qla_flt_region *)&flt[1];
 683         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 684             flt_addr << 2, OPTROM_BURST_SIZE);
 685         if (*wptr == __constant_cpu_to_le16(0xffff))
 686                 goto no_flash_data;
 687         if (flt->version != __constant_cpu_to_le16(1)) {
 688                 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported FLT detected: "
 689                     "version=0x%x length=0x%x checksum=0x%x.\n",
 690                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 691                     le16_to_cpu(flt->checksum)));
 692                 goto no_flash_data;
 693         }
 694
 695         cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
 696         for (chksum = 0; cnt; cnt--)
 697                 chksum += le16_to_cpu(*wptr++);
 698         if (chksum) {
 699                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
 700                     "version=0x%x length=0x%x checksum=0x%x.\n",
 701                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 702                     chksum));
 703                 goto no_flash_data;
 704         }
 705
 706         loc = locations[1];
 707         cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
 708         for ( ; cnt; cnt--, region++) {
 709                 /* Store addresses as DWORD offsets. */
 710                 start = le32_to_cpu(region->start) >> 2;
 711
 712                 DEBUG3(qla_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
 713                     "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
 714                     le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
 715
 716                 switch (le32_to_cpu(region->code) & 0xff) {
 717                 case FLT_REG_FW:
 718                         ha->flt_region_fw = start;
 719                         break;
 720                 case FLT_REG_BOOT_CODE:
 721                         ha->flt_region_boot = start;
 722                         break;
 723                 case FLT_REG_VPD_0:
 724                         ha->flt_region_vpd_nvram = start;
 725                         if (IS_QLA82XX(ha))
 726                                 break;
 727                         if (ha->flags.port0)
 728                                 ha->flt_region_vpd = start;
 729                         break;
 730                 case FLT_REG_VPD_1:
 731                         if (IS_QLA82XX(ha))
 732                                 break;
 733                         if (!ha->flags.port0)
 734                                 ha->flt_region_vpd = start;
 735                         break;
 736                 case FLT_REG_NVRAM_0:
 737                         if (ha->flags.port0)
 738                                 ha->flt_region_nvram = start;
 739                         break;
 740                 case FLT_REG_NVRAM_1:
 741                         if (!ha->flags.port0)
 742                                 ha->flt_region_nvram = start;
 743                         break;
 744                 case FLT_REG_FDT:
 745                         ha->flt_region_fdt = start;
 746                         break;
 747                 case FLT_REG_NPIV_CONF_0:
 748                         if (ha->flags.port0)
 749                                 ha->flt_region_npiv_conf = start;
 750                         break;
 751                 case FLT_REG_NPIV_CONF_1:
 752                         if (!ha->flags.port0)
 753                                 ha->flt_region_npiv_conf = start;
 754                         break;
 755                 case FLT_REG_GOLD_FW:
 756                         ha->flt_region_gold_fw = start;
 757                         break;
 758                 case FLT_REG_FCP_PRIO_0:
 759                         if (ha->flags.port0)
 760                                 ha->flt_region_fcp_prio = start;
 761                         break;
 762                 case FLT_REG_FCP_PRIO_1:
 763                         if (!ha->flags.port0)
 764                                 ha->flt_region_fcp_prio = start;
 765                         break;
 766                 case FLT_REG_BOOT_CODE_82XX:
 767                         ha->flt_region_boot = start;
 768                         break;
 769                 case FLT_REG_FW_82XX:
 770                         ha->flt_region_fw = start;
 771                         break;
 772                 case FLT_REG_GOLD_FW_82XX:
 773                         ha->flt_region_gold_fw = start;
 774                         break;
 775                 case FLT_REG_BOOTLOAD_82XX:
 776                         ha->flt_region_bootload = start;
 777                         break;
 778                 case FLT_REG_VPD_82XX:
 779                         ha->flt_region_vpd = start;
 780                         break;
 781                 }
 782         }
 783         goto done;
 784
 785 no_flash_data:
 786         /* Use hardcoded defaults. */
 787         loc = locations[0];
 788         ha->flt_region_fw = def_fw[def];
 789         ha->flt_region_boot = def_boot[def];
 790         ha->flt_region_vpd_nvram = def_vpd_nvram[def];
 791         ha->flt_region_vpd = ha->flags.port0 ?
 792             def_vpd0[def] : def_vpd1[def];
 793         ha->flt_region_nvram = ha->flags.port0 ?
 794             def_nvram0[def] : def_nvram1[def];
 795         ha->flt_region_fdt = def_fdt[def];
 796         ha->flt_region_npiv_conf = ha->flags.port0 ?
 797             def_npiv_conf0[def] : def_npiv_conf1[def];
 798 done:
 799         DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
 800             "vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x "
 801             "npiv=0x%x. fcp_prio_cfg=0x%x\n", loc, ha->flt_region_boot,
 802             ha->flt_region_fw, ha->flt_region_vpd_nvram, ha->flt_region_vpd,
 803             ha->flt_region_nvram, ha->flt_region_fdt, ha->flt_region_flt,
 804             ha->flt_region_npiv_conf, ha->flt_region_fcp_prio));
 805 }
 806
 807 static void
 808 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 809 {
 810 #define FLASH_BLK_SIZE_4K       0x1000
 811 #define FLASH_BLK_SIZE_32K      0x8000
 812 #define FLASH_BLK_SIZE_64K      0x10000
 813         const char *loc, *locations[] = { "MID", "FDT" };
 814         uint16_t cnt, chksum;
 815         uint16_t *wptr;
 816         struct qla_fdt_layout *fdt;
 817         uint8_t man_id, flash_id;
 818         uint16_t mid = 0, fid = 0;
 819         struct qla_hw_data *ha = vha->hw;
 820         struct req_que *req = ha->req_q_map[0];
 821
 822         wptr = (uint16_t *)req->ring;
 823         fdt = (struct qla_fdt_layout *)req->ring;
 824         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 825             ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
 826         if (*wptr == __constant_cpu_to_le16(0xffff))
 827                 goto no_flash_data;
 828         if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
 829             fdt->sig[3] != 'D')
 830                 goto no_flash_data;
 831
 832         for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
 833             cnt++)
 834                 chksum += le16_to_cpu(*wptr++);
 835         if (chksum) {
 836                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
 837                     "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
 838                     le16_to_cpu(fdt->version)));
 839                 DEBUG9(qla2x00_dump_buffer((uint8_t *)fdt, sizeof(*fdt)));
 840                 goto no_flash_data;
 841         }
 842
 843         loc = locations[1];
 844         mid = le16_to_cpu(fdt->man_id);
 845         fid = le16_to_cpu(fdt->id);
 846         ha->fdt_wrt_disable = fdt->wrt_disable_bits;
 847         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
 848         ha->fdt_block_size = le32_to_cpu(fdt->block_size);
 849         if (fdt->unprotect_sec_cmd) {
 850                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
 851                     fdt->unprotect_sec_cmd);
 852                 ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
 853                     flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd):
 854                     flash_conf_addr(ha, 0x0336);
 855         }
 856         goto done;
 857 no_flash_data:
 858         loc = locations[0];
 859         if (IS_QLA82XX(ha)) {
 860                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 861                 goto done;
 862         }
 863         qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
 864         mid = man_id;
 865         fid = flash_id;
 866         ha->fdt_wrt_disable = 0x9c;
 867         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
 868         switch (man_id) {
 869         case 0xbf: /* STT flash. */
 870                 if (flash_id == 0x8e)
 871                         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 872                 else
 873                         ha->fdt_block_size = FLASH_BLK_SIZE_32K;
 874
 875                 if (flash_id == 0x80)
 876                         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
 877                 break;
 878         case 0x13: /* ST M25P80. */
 879                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 880                 break;
 881         case 0x1f: /* Atmel 26DF081A. */
 882                 ha->fdt_block_size = FLASH_BLK_SIZE_4K;
 883                 ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
 884                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
 885                 ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
 886                 break;
 887         default:
 888                 /* Default to 64 kb sector size. */
 889                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 890                 break;
 891         }
 892 done:
 893         DEBUG2(qla_printk(KERN_DEBUG, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
 894             "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
 895             ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
 896             ha->fdt_unprotect_sec_cmd, ha->fdt_wrt_disable,
 897             ha->fdt_block_size));
 898 }
 899
 900 static void
 901 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
 902 {
 903 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
 904         uint32_t *wptr;
 905         struct qla_hw_data *ha = vha->hw;
 906         struct req_que *req = ha->req_q_map[0];
 907
 908         if (!IS_QLA82XX(ha))
 909                 return;
 910
 911         wptr = (uint32_t *)req->ring;
 912         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 913                 QLA82XX_IDC_PARAM_ADDR , 8);
 914
 915         if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
 916                 ha->nx_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
 917                 ha->nx_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
 918         } else {
 919                 ha->nx_dev_init_timeout = le32_to_cpu(*wptr++);
 920                 ha->nx_reset_timeout = le32_to_cpu(*wptr);
 921         }
 922         return;
 923 }
 924
 925 int
 926 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 927 {
 928         int ret;
 929         uint32_t flt_addr;
 930         struct qla_hw_data *ha = vha->hw;
 931
 932         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha))
 933                 return QLA_SUCCESS;
 934
 935         ret = qla2xxx_find_flt_start(vha, &flt_addr);
 936         if (ret != QLA_SUCCESS)
 937                 return ret;
 938
 939         qla2xxx_get_flt_info(vha, flt_addr);
 940         qla2xxx_get_fdt_info(vha);
 941         qla2xxx_get_idc_param(vha);
 942
 943         return QLA_SUCCESS;
 944 }
 945
 946 void
 947 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
 948 {
 949 #define NPIV_CONFIG_SIZE        (16*1024)
 950         void *data;
 951         uint16_t *wptr;
 952         uint16_t cnt, chksum;
 953         int i;
 954         struct qla_npiv_header hdr;
 955         struct qla_npiv_entry *entry;
 956         struct qla_hw_data *ha = vha->hw;
 957
 958         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha))
 959                 return;
 960
 961         ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
 962             ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
 963         if (hdr.version == __constant_cpu_to_le16(0xffff))
 964                 return;
 965         if (hdr.version != __constant_cpu_to_le16(1)) {
 966                 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
 967                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 968                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 969                     le16_to_cpu(hdr.checksum)));
 970                 return;
 971         }
 972
 973         data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
 974         if (!data) {
 975                 DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
 976                     "allocate memory.\n"));
 977                 return;
 978         }
 979
 980         ha->isp_ops->read_optrom(vha, (uint8_t *)data,
 981             ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
 982
 983         cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
 984             sizeof(struct qla_npiv_entry)) >> 1;
 985         for (wptr = data, chksum = 0; cnt; cnt--)
 986                 chksum += le16_to_cpu(*wptr++);
 987         if (chksum) {
 988                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
 989                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 990                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 991                     chksum));
 992                 goto done;
 993         }
 994
 995         entry = data + sizeof(struct qla_npiv_header);
 996         cnt = le16_to_cpu(hdr.entries);
 997         for (i = 0; cnt; cnt--, entry++, i++) {
 998                 uint16_t flags;
 999                 struct fc_vport_identifiers vid;
1000                 struct fc_vport *vport;
1001
1002                 memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1003
1004                 flags = le16_to_cpu(entry->flags);
1005                 if (flags == 0xffff)
1006                         continue;
1007                 if ((flags & BIT_0) == 0)
1008                         continue;
1009
1010                 memset(&vid, 0, sizeof(vid));
1011                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1012                 vid.vport_type = FC_PORTTYPE_NPIV;
1013                 vid.disable = false;
1014                 vid.port_name = wwn_to_u64(entry->port_name);
1015                 vid.node_name = wwn_to_u64(entry->node_name);
1016
1017                 DEBUG2(qla_printk(KERN_INFO, ha, "NPIV[%02x]: wwpn=%llx "
1018                         "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
1019                         (unsigned long long)vid.port_name,
1020                         (unsigned long long)vid.node_name,
1021                         le16_to_cpu(entry->vf_id),
1022                         entry->q_qos, entry->f_qos));
1023
1024                 if (i < QLA_PRECONFIG_VPORTS) {
1025                         vport = fc_vport_create(vha->host, 0, &vid);
1026                         if (!vport)
1027                                 qla_printk(KERN_INFO, ha,
1028                                 "NPIV-Config: Failed to create vport [%02x]: "
1029                                 "wwpn=%llx wwnn=%llx.\n", cnt,
1030                                 (unsigned long long)vid.port_name,
1031                                 (unsigned long long)vid.node_name);
1032                 }
1033         }
1034 done:
1035         kfree(data);
1036 }
1037
1038 static int
1039 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1040 {
1041         struct qla_hw_data *ha = vha->hw;
1042         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1043
1044         if (ha->flags.fac_supported)
1045                 return qla81xx_fac_do_write_enable(vha, 1);
1046
1047         /* Enable flash write. */
1048         WRT_REG_DWORD(&reg->ctrl_status,
1049             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1050         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1051
1052         if (!ha->fdt_wrt_disable)
1053                 goto done;
1054
1055         /* Disable flash write-protection, first clear SR protection bit */
1056         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1057         /* Then write zero again to clear remaining SR bits.*/
1058         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1059 done:
1060         return QLA_SUCCESS;
1061 }
1062
1063 static int
1064 qla24xx_protect_flash(scsi_qla_host_t *vha)
1065 {
1066         uint32_t cnt;
1067         struct qla_hw_data *ha = vha->hw;
1068         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1069
1070         if (ha->flags.fac_supported)
1071                 return qla81xx_fac_do_write_enable(vha, 0);
1072
1073         if (!ha->fdt_wrt_disable)
1074                 goto skip_wrt_protect;
1075
1076         /* Enable flash write-protection and wait for completion. */
1077         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
1078             ha->fdt_wrt_disable);
1079         for (cnt = 300; cnt &&
1080             qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
1081             cnt--) {
1082                 udelay(10);
1083         }
1084
1085 skip_wrt_protect:
1086         /* Disable flash write. */
1087         WRT_REG_DWORD(&reg->ctrl_status,
1088             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1089         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1090
1091         return QLA_SUCCESS;
1092 }
1093
1094 static int
1095 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1096 {
1097         struct qla_hw_data *ha = vha->hw;
1098         uint32_t start, finish;
1099
1100         if (ha->flags.fac_supported) {
1101                 start = fdata >> 2;
1102                 finish = start + (ha->fdt_block_size >> 2) - 1;
1103                 return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1104                     start), flash_data_addr(ha, finish));
1105         }
1106
1107         return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1108             (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1109             ((fdata >> 16) & 0xff));
1110 }
1111
1112 static int
1113 qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1114     uint32_t dwords)
1115 {
1116         int ret;
1117         uint32_t liter;
1118         uint32_t sec_mask, rest_addr;
1119         uint32_t fdata;
1120         dma_addr_t optrom_dma;
1121         void *optrom = NULL;
1122         struct qla_hw_data *ha = vha->hw;
1123
1124         /* Prepare burst-capable write on supported ISPs. */
1125         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && !(faddr & 0xfff) &&
1126             dwords > OPTROM_BURST_DWORDS) {
1127                 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1128                     &optrom_dma, GFP_KERNEL);
1129                 if (!optrom) {
1130                         qla_printk(KERN_DEBUG, ha,
1131                             "Unable to allocate memory for optrom burst write "
1132                             "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
1133                 }
1134         }
1135
1136         rest_addr = (ha->fdt_block_size >> 2) - 1;
1137         sec_mask = ~rest_addr;
1138
1139         ret = qla24xx_unprotect_flash(vha);
1140         if (ret != QLA_SUCCESS) {
1141                 qla_printk(KERN_WARNING, ha,
1142                     "Unable to unprotect flash for update.\n");
1143                 goto done;
1144         }
1145
1146         for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1147                 fdata = (faddr & sec_mask) << 2;
1148
1149                 /* Are we at the beginning of a sector? */
1150                 if ((faddr & rest_addr) == 0) {
1151                         /* Do sector unprotect. */
1152                         if (ha->fdt_unprotect_sec_cmd)
1153                                 qla24xx_write_flash_dword(ha,
1154                                     ha->fdt_unprotect_sec_cmd,
1155                                     (fdata & 0xff00) | ((fdata << 16) &
1156                                     0xff0000) | ((fdata >> 16) & 0xff));
1157                         ret = qla24xx_erase_sector(vha, fdata);
1158                         if (ret != QLA_SUCCESS) {
1159                                 DEBUG9(qla_printk(KERN_WARNING, ha,
1160                                     "Unable to erase sector: address=%x.\n",
1161                                     faddr));
1162                                 break;
1163                         }
1164                 }
1165
1166                 /* Go with burst-write. */
1167                 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
1168                         /* Copy data to DMA'ble buffer. */
1169                         memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
1170
1171                         ret = qla2x00_load_ram(vha, optrom_dma,
1172                             flash_data_addr(ha, faddr),
1173                             OPTROM_BURST_DWORDS);
1174                         if (ret != QLA_SUCCESS) {
1175                                 qla_printk(KERN_WARNING, ha,
1176                                     "Unable to burst-write optrom segment "
1177                                     "(%x/%x/%llx).\n", ret,
1178                                     flash_data_addr(ha, faddr),
1179                                     (unsigned long long)optrom_dma);
1180                                 qla_printk(KERN_WARNING, ha,
1181                                     "Reverting to slow-write.\n");
1182
1183                                 dma_free_coherent(&ha->pdev->dev,
1184                                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1185                                 optrom = NULL;
1186                         } else {
1187                                 liter += OPTROM_BURST_DWORDS - 1;
1188                                 faddr += OPTROM_BURST_DWORDS - 1;
1189                                 dwptr += OPTROM_BURST_DWORDS - 1;
1190                                 continue;
1191                         }
1192                 }
1193
1194                 ret = qla24xx_write_flash_dword(ha,
1195                     flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1196                 if (ret != QLA_SUCCESS) {
1197                         DEBUG9(printk("%s(%ld) Unable to program flash "
1198                             "address=%x data=%x.\n", __func__,
1199                             vha->host_no, faddr, *dwptr));
1200                         break;
1201                 }
1202
1203                 /* Do sector protect. */
1204                 if (ha->fdt_unprotect_sec_cmd &&
1205                     ((faddr & rest_addr) == rest_addr))
1206                         qla24xx_write_flash_dword(ha,
1207                             ha->fdt_protect_sec_cmd,
1208                             (fdata & 0xff00) | ((fdata << 16) &
1209                             0xff0000) | ((fdata >> 16) & 0xff));
1210         }
1211
1212         ret = qla24xx_protect_flash(vha);
1213         if (ret != QLA_SUCCESS)
1214                 qla_printk(KERN_WARNING, ha,
1215                     "Unable to protect flash after update.\n");
1216 done:
1217         if (optrom)
1218                 dma_free_coherent(&ha->pdev->dev,
1219                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1220
1221         return ret;
1222 }
1223
1224 uint8_t *
1225 qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1226     uint32_t bytes)
1227 {
1228         uint32_t i;
1229         uint16_t *wptr;
1230         struct qla_hw_data *ha = vha->hw;
1231
1232         /* Word reads to NVRAM via registers. */
1233         wptr = (uint16_t *)buf;
1234         qla2x00_lock_nvram_access(ha);
1235         for (i = 0; i < bytes >> 1; i++, naddr++)
1236                 wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1237                     naddr));
1238         qla2x00_unlock_nvram_access(ha);
1239
1240         return buf;
1241 }
1242
1243 uint8_t *
1244 qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1245     uint32_t bytes)
1246 {
1247         uint32_t i;
1248         uint32_t *dwptr;
1249         struct qla_hw_data *ha = vha->hw;
1250
1251         if (IS_QLA82XX(ha))
1252                 return  buf;
1253
1254         /* Dword reads to flash. */
1255         dwptr = (uint32_t *)buf;
1256         for (i = 0; i < bytes >> 2; i++, naddr++)
1257                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1258                     nvram_data_addr(ha, naddr)));
1259
1260         return buf;
1261 }
1262
1263 int
1264 qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1265     uint32_t bytes)
1266 {
1267         int ret, stat;
1268         uint32_t i;
1269         uint16_t *wptr;
1270         unsigned long flags;
1271         struct qla_hw_data *ha = vha->hw;
1272
1273         ret = QLA_SUCCESS;
1274
1275         spin_lock_irqsave(&ha->hardware_lock, flags);
1276         qla2x00_lock_nvram_access(ha);
1277
1278         /* Disable NVRAM write-protection. */
1279         stat = qla2x00_clear_nvram_protection(ha);
1280
1281         wptr = (uint16_t *)buf;
1282         for (i = 0; i < bytes >> 1; i++, naddr++) {
1283                 qla2x00_write_nvram_word(ha, naddr,
1284                     cpu_to_le16(*wptr));
1285                 wptr++;
1286         }
1287
1288         /* Enable NVRAM write-protection. */
1289         qla2x00_set_nvram_protection(ha, stat);
1290
1291         qla2x00_unlock_nvram_access(ha);
1292         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1293
1294         return ret;
1295 }
1296
1297 int
1298 qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1299     uint32_t bytes)
1300 {
1301         int ret;
1302         uint32_t i;
1303         uint32_t *dwptr;
1304         struct qla_hw_data *ha = vha->hw;
1305         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1306
1307         ret = QLA_SUCCESS;
1308
1309         if (IS_QLA82XX(ha))
1310                 return ret;
1311
1312         /* Enable flash write. */
1313         WRT_REG_DWORD(&reg->ctrl_status,
1314             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1315         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1316
1317         /* Disable NVRAM write-protection. */
1318         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1319         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1320
1321         /* Dword writes to flash. */
1322         dwptr = (uint32_t *)buf;
1323         for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
1324                 ret = qla24xx_write_flash_dword(ha,
1325                     nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
1326                 if (ret != QLA_SUCCESS) {
1327                         DEBUG9(qla_printk(KERN_WARNING, ha,
1328                             "Unable to program nvram address=%x data=%x.\n",
1329                             naddr, *dwptr));
1330                         break;
1331                 }
1332         }
1333
1334         /* Enable NVRAM write-protection. */
1335         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1336
1337         /* Disable flash write. */
1338         WRT_REG_DWORD(&reg->ctrl_status,
1339             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1340         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1341
1342         return ret;
1343 }
1344
1345 uint8_t *
1346 qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1347     uint32_t bytes)
1348 {
1349         uint32_t i;
1350         uint32_t *dwptr;
1351         struct qla_hw_data *ha = vha->hw;
1352
1353         /* Dword reads to flash. */
1354         dwptr = (uint32_t *)buf;
1355         for (i = 0; i < bytes >> 2; i++, naddr++)
1356                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1357                     flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
1358
1359         return buf;
1360 }
1361
1362 int
1363 qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1364     uint32_t bytes)
1365 {
1366         struct qla_hw_data *ha = vha->hw;
1367 #define RMW_BUFFER_SIZE (64 * 1024)
1368         uint8_t *dbuf;
1369
1370         dbuf = vmalloc(RMW_BUFFER_SIZE);
1371         if (!dbuf)
1372                 return QLA_MEMORY_ALLOC_FAILED;
1373         ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1374             RMW_BUFFER_SIZE);
1375         memcpy(dbuf + (naddr << 2), buf, bytes);
1376         ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1377             RMW_BUFFER_SIZE);
1378         vfree(dbuf);
1379
1380         return QLA_SUCCESS;
1381 }
1382
1383 static inline void
1384 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1385 {
1386         if (IS_QLA2322(ha)) {
1387                 /* Flip all colors. */
1388                 if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1389                         /* Turn off. */
1390                         ha->beacon_color_state = 0;
1391                         *pflags = GPIO_LED_ALL_OFF;
1392                 } else {
1393                         /* Turn on. */
1394                         ha->beacon_color_state = QLA_LED_ALL_ON;
1395                         *pflags = GPIO_LED_RGA_ON;
1396                 }
1397         } else {
1398                 /* Flip green led only. */
1399                 if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1400                         /* Turn off. */
1401                         ha->beacon_color_state = 0;
1402                         *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1403                 } else {
1404                         /* Turn on. */
1405                         ha->beacon_color_state = QLA_LED_GRN_ON;
1406                         *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1407                 }
1408         }
1409 }
1410
1411 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1412
1413 void
1414 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1415 {
1416         uint16_t gpio_enable;
1417         uint16_t gpio_data;
1418         uint16_t led_color = 0;
1419         unsigned long flags;
1420         struct qla_hw_data *ha = vha->hw;
1421         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1422
1423         if (IS_QLA82XX(ha))
1424                 return;
1425
1426         spin_lock_irqsave(&ha->hardware_lock, flags);
1427
1428         /* Save the Original GPIOE. */
1429         if (ha->pio_address) {
1430                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1431                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1432         } else {
1433                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1434                 gpio_data = RD_REG_WORD(&reg->gpiod);
1435         }
1436
1437         /* Set the modified gpio_enable values */
1438         gpio_enable |= GPIO_LED_MASK;
1439
1440         if (ha->pio_address) {
1441                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1442         } else {
1443                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1444                 RD_REG_WORD(&reg->gpioe);
1445         }
1446
1447         qla2x00_flip_colors(ha, &led_color);
1448
1449         /* Clear out any previously set LED color. */
1450         gpio_data &= ~GPIO_LED_MASK;
1451
1452         /* Set the new input LED color to GPIOD. */
1453         gpio_data |= led_color;
1454
1455         /* Set the modified gpio_data values */
1456         if (ha->pio_address) {
1457                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1458         } else {
1459                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1460                 RD_REG_WORD(&reg->gpiod);
1461         }
1462
1463         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1464 }
1465
1466 int
1467 qla2x00_beacon_on(struct scsi_qla_host *vha)
1468 {
1469         uint16_t gpio_enable;
1470         uint16_t gpio_data;
1471         unsigned long flags;
1472         struct qla_hw_data *ha = vha->hw;
1473         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1474
1475         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1476         ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1477
1478         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1479                 qla_printk(KERN_WARNING, ha,
1480                     "Unable to update fw options (beacon on).\n");
1481                 return QLA_FUNCTION_FAILED;
1482         }
1483
1484         /* Turn off LEDs. */
1485         spin_lock_irqsave(&ha->hardware_lock, flags);
1486         if (ha->pio_address) {
1487                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1488                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1489         } else {
1490                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1491                 gpio_data = RD_REG_WORD(&reg->gpiod);
1492         }
1493         gpio_enable |= GPIO_LED_MASK;
1494
1495         /* Set the modified gpio_enable values. */
1496         if (ha->pio_address) {
1497                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1498         } else {
1499                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1500                 RD_REG_WORD(&reg->gpioe);
1501         }
1502
1503         /* Clear out previously set LED colour. */
1504         gpio_data &= ~GPIO_LED_MASK;
1505         if (ha->pio_address) {
1506                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1507         } else {
1508                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1509                 RD_REG_WORD(&reg->gpiod);
1510         }
1511         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1512
1513         /*
1514          * Let the per HBA timer kick off the blinking process based on
1515          * the following flags. No need to do anything else now.
1516          */
1517         ha->beacon_blink_led = 1;
1518         ha->beacon_color_state = 0;
1519
1520         return QLA_SUCCESS;
1521 }
1522
1523 int
1524 qla2x00_beacon_off(struct scsi_qla_host *vha)
1525 {
1526         int rval = QLA_SUCCESS;
1527         struct qla_hw_data *ha = vha->hw;
1528
1529         ha->beacon_blink_led = 0;
1530
1531         /* Set the on flag so when it gets flipped it will be off. */
1532         if (IS_QLA2322(ha))
1533                 ha->beacon_color_state = QLA_LED_ALL_ON;
1534         else
1535                 ha->beacon_color_state = QLA_LED_GRN_ON;
1536
1537         ha->isp_ops->beacon_blink(vha); /* This turns green LED off */
1538
1539         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1540         ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1541
1542         rval = qla2x00_set_fw_options(vha, ha->fw_options);
1543         if (rval != QLA_SUCCESS)
1544                 qla_printk(KERN_WARNING, ha,
1545                     "Unable to update fw options (beacon off).\n");
1546         return rval;
1547 }
1548
1549
1550 static inline void
1551 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1552 {
1553         /* Flip all colors. */
1554         if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1555                 /* Turn off. */
1556                 ha->beacon_color_state = 0;
1557                 *pflags = 0;
1558         } else {
1559                 /* Turn on. */
1560                 ha->beacon_color_state = QLA_LED_ALL_ON;
1561                 *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1562         }
1563 }
1564
1565 void
1566 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1567 {
1568         uint16_t led_color = 0;
1569         uint32_t gpio_data;
1570         unsigned long flags;
1571         struct qla_hw_data *ha = vha->hw;
1572         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1573
1574         /* Save the Original GPIOD. */
1575         spin_lock_irqsave(&ha->hardware_lock, flags);
1576         gpio_data = RD_REG_DWORD(&reg->gpiod);
1577
1578         /* Enable the gpio_data reg for update. */
1579         gpio_data |= GPDX_LED_UPDATE_MASK;
1580
1581         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1582         gpio_data = RD_REG_DWORD(&reg->gpiod);
1583
1584         /* Set the color bits. */
1585         qla24xx_flip_colors(ha, &led_color);
1586
1587         /* Clear out any previously set LED color. */
1588         gpio_data &= ~GPDX_LED_COLOR_MASK;
1589
1590         /* Set the new input LED color to GPIOD. */
1591         gpio_data |= led_color;
1592
1593         /* Set the modified gpio_data values. */
1594         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1595         gpio_data = RD_REG_DWORD(&reg->gpiod);
1596         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1597 }
1598
1599 int
1600 qla24xx_beacon_on(struct scsi_qla_host *vha)
1601 {
1602         uint32_t gpio_data;
1603         unsigned long flags;
1604         struct qla_hw_data *ha = vha->hw;
1605         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1606
1607         if (IS_QLA82XX(ha))
1608                 return QLA_SUCCESS;
1609
1610         if (ha->beacon_blink_led == 0) {
1611                 /* Enable firmware for update */
1612                 ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1613
1614                 if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1615                         return QLA_FUNCTION_FAILED;
1616
1617                 if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1618                     QLA_SUCCESS) {
1619                         qla_printk(KERN_WARNING, ha,
1620                             "Unable to update fw options (beacon on).\n");
1621                         return QLA_FUNCTION_FAILED;
1622                 }
1623
1624                 spin_lock_irqsave(&ha->hardware_lock, flags);
1625                 gpio_data = RD_REG_DWORD(&reg->gpiod);
1626
1627                 /* Enable the gpio_data reg for update. */
1628                 gpio_data |= GPDX_LED_UPDATE_MASK;
1629                 WRT_REG_DWORD(&reg->gpiod, gpio_data);
1630                 RD_REG_DWORD(&reg->gpiod);
1631
1632                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1633         }
1634
1635         /* So all colors blink together. */
1636         ha->beacon_color_state = 0;
1637
1638         /* Let the per HBA timer kick off the blinking process. */
1639         ha->beacon_blink_led = 1;
1640
1641         return QLA_SUCCESS;
1642 }
1643
1644 int
1645 qla24xx_beacon_off(struct scsi_qla_host *vha)
1646 {
1647         uint32_t gpio_data;
1648         unsigned long flags;
1649         struct qla_hw_data *ha = vha->hw;
1650         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1651
1652         if (IS_QLA82XX(ha))
1653                 return QLA_SUCCESS;
1654
1655         ha->beacon_blink_led = 0;
1656         ha->beacon_color_state = QLA_LED_ALL_ON;
1657
1658         ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */
1659
1660         /* Give control back to firmware. */
1661         spin_lock_irqsave(&ha->hardware_lock, flags);
1662         gpio_data = RD_REG_DWORD(&reg->gpiod);
1663
1664         /* Disable the gpio_data reg for update. */
1665         gpio_data &= ~GPDX_LED_UPDATE_MASK;
1666         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1667         RD_REG_DWORD(&reg->gpiod);
1668         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1669
1670         ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1671
1672         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1673                 qla_printk(KERN_WARNING, ha,
1674                     "Unable to update fw options (beacon off).\n");
1675                 return QLA_FUNCTION_FAILED;
1676         }
1677
1678         if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1679                 qla_printk(KERN_WARNING, ha,
1680                     "Unable to get fw options (beacon off).\n");
1681                 return QLA_FUNCTION_FAILED;
1682         }
1683
1684         return QLA_SUCCESS;
1685 }
1686
1687
1688 /*
1689  * Flash support routines
1690  */
1691
1692 /**
1693  * qla2x00_flash_enable() - Setup flash for reading and writing.
1694  * @ha: HA context
1695  */
1696 static void
1697 qla2x00_flash_enable(struct qla_hw_data *ha)
1698 {
1699         uint16_t data;
1700         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1701
1702         data = RD_REG_WORD(&reg->ctrl_status);
1703         data |= CSR_FLASH_ENABLE;
1704         WRT_REG_WORD(&reg->ctrl_status, data);
1705         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1706 }
1707
1708 /**
1709  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1710  * @ha: HA context
1711  */
1712 static void
1713 qla2x00_flash_disable(struct qla_hw_data *ha)
1714 {
1715         uint16_t data;
1716         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1717
1718         data = RD_REG_WORD(&reg->ctrl_status);
1719         data &= ~(CSR_FLASH_ENABLE);
1720         WRT_REG_WORD(&reg->ctrl_status, data);
1721         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1722 }
1723
1724 /**
1725  * qla2x00_read_flash_byte() - Reads a byte from flash
1726  * @ha: HA context
1727  * @addr: Address in flash to read
1728  *
1729  * A word is read from the chip, but, only the lower byte is valid.
1730  *
1731  * Returns the byte read from flash @addr.
1732  */
1733 static uint8_t
1734 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
1735 {
1736         uint16_t data;
1737         uint16_t bank_select;
1738         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1739
1740         bank_select = RD_REG_WORD(&reg->ctrl_status);
1741
1742         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1743                 /* Specify 64K address range: */
1744                 /*  clear out Module Select and Flash Address bits [19:16]. */
1745                 bank_select &= ~0xf8;
1746                 bank_select |= addr >> 12 & 0xf0;
1747                 bank_select |= CSR_FLASH_64K_BANK;
1748                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1749                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1750
1751                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1752                 data = RD_REG_WORD(&reg->flash_data);
1753
1754                 return (uint8_t)data;
1755         }
1756
1757         /* Setup bit 16 of flash address. */
1758         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1759                 bank_select |= CSR_FLASH_64K_BANK;
1760                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1761                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1762         } else if (((addr & BIT_16) == 0) &&
1763             (bank_select & CSR_FLASH_64K_BANK)) {
1764                 bank_select &= ~(CSR_FLASH_64K_BANK);
1765                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1766                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1767         }
1768
1769         /* Always perform IO mapped accesses to the FLASH registers. */
1770         if (ha->pio_address) {
1771                 uint16_t data2;
1772
1773                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1774                 do {
1775                         data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1776                         barrier();
1777                         cpu_relax();
1778                         data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1779                 } while (data != data2);
1780         } else {
1781                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1782                 data = qla2x00_debounce_register(&reg->flash_data);
1783         }
1784
1785         return (uint8_t)data;
1786 }
1787
1788 /**
1789  * qla2x00_write_flash_byte() - Write a byte to flash
1790  * @ha: HA context
1791  * @addr: Address in flash to write
1792  * @data: Data to write
1793  */
1794 static void
1795 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
1796 {
1797         uint16_t bank_select;
1798         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1799
1800         bank_select = RD_REG_WORD(&reg->ctrl_status);
1801         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1802                 /* Specify 64K address range: */
1803                 /*  clear out Module Select and Flash Address bits [19:16]. */
1804                 bank_select &= ~0xf8;
1805                 bank_select |= addr >> 12 & 0xf0;
1806                 bank_select |= CSR_FLASH_64K_BANK;
1807                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1808                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1809
1810                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1811                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1812                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1813                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1814
1815                 return;
1816         }
1817
1818         /* Setup bit 16 of flash address. */
1819         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1820                 bank_select |= CSR_FLASH_64K_BANK;
1821                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1822                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1823         } else if (((addr & BIT_16) == 0) &&
1824             (bank_select & CSR_FLASH_64K_BANK)) {
1825                 bank_select &= ~(CSR_FLASH_64K_BANK);
1826                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1827                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1828         }
1829
1830         /* Always perform IO mapped accesses to the FLASH registers. */
1831         if (ha->pio_address) {
1832                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1833                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
1834         } else {
1835                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1836                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1837                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1838                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1839         }
1840 }
1841
1842 /**
1843  * qla2x00_poll_flash() - Polls flash for completion.
1844  * @ha: HA context
1845  * @addr: Address in flash to poll
1846  * @poll_data: Data to be polled
1847  * @man_id: Flash manufacturer ID
1848  * @flash_id: Flash ID
1849  *
1850  * This function polls the device until bit 7 of what is read matches data
1851  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
1852  * out (a fatal error).  The flash book recommeds reading bit 7 again after
1853  * reading bit 5 as a 1.
1854  *
1855  * Returns 0 on success, else non-zero.
1856  */
1857 static int
1858 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
1859     uint8_t man_id, uint8_t flash_id)
1860 {
1861         int status;
1862         uint8_t flash_data;
1863         uint32_t cnt;
1864
1865         status = 1;
1866
1867         /* Wait for 30 seconds for command to finish. */
1868         poll_data &= BIT_7;
1869         for (cnt = 3000000; cnt; cnt--) {
1870                 flash_data = qla2x00_read_flash_byte(ha, addr);
1871                 if ((flash_data & BIT_7) == poll_data) {
1872                         status = 0;
1873                         break;
1874                 }
1875
1876                 if (man_id != 0x40 && man_id != 0xda) {
1877                         if ((flash_data & BIT_5) && cnt > 2)
1878                                 cnt = 2;
1879                 }
1880                 udelay(10);
1881                 barrier();
1882                 cond_resched();
1883         }
1884         return status;
1885 }
1886
1887 /**
1888  * qla2x00_program_flash_address() - Programs a flash address
1889  * @ha: HA context
1890  * @addr: Address in flash to program
1891  * @data: Data to be written in flash
1892  * @man_id: Flash manufacturer ID
1893  * @flash_id: Flash ID
1894  *
1895  * Returns 0 on success, else non-zero.
1896  */
1897 static int
1898 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
1899     uint8_t data, uint8_t man_id, uint8_t flash_id)
1900 {
1901         /* Write Program Command Sequence. */
1902         if (IS_OEM_001(ha)) {
1903                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1904                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1905                 qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
1906                 qla2x00_write_flash_byte(ha, addr, data);
1907         } else {
1908                 if (man_id == 0xda && flash_id == 0xc1) {
1909                         qla2x00_write_flash_byte(ha, addr, data);
1910                         if (addr & 0x7e)
1911                                 return 0;
1912                 } else {
1913                         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1914                         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1915                         qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
1916                         qla2x00_write_flash_byte(ha, addr, data);
1917                 }
1918         }
1919
1920         udelay(150);
1921
1922         /* Wait for write to complete. */
1923         return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
1924 }
1925
1926 /**
1927  * qla2x00_erase_flash() - Erase the flash.
1928  * @ha: HA context
1929  * @man_id: Flash manufacturer ID
1930  * @flash_id: Flash ID
1931  *
1932  * Returns 0 on success, else non-zero.
1933  */
1934 static int
1935 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
1936 {
1937         /* Individual Sector Erase Command Sequence */
1938         if (IS_OEM_001(ha)) {
1939                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1940                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1941                 qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
1942                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1943                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1944                 qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
1945         } else {
1946                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1947                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1948                 qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1949                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1950                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1951                 qla2x00_write_flash_byte(ha, 0x5555, 0x10);
1952         }
1953
1954         udelay(150);
1955
1956         /* Wait for erase to complete. */
1957         return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
1958 }
1959
1960 /**
1961  * qla2x00_erase_flash_sector() - Erase a flash sector.
1962  * @ha: HA context
1963  * @addr: Flash sector to erase
1964  * @sec_mask: Sector address mask
1965  * @man_id: Flash manufacturer ID
1966  * @flash_id: Flash ID
1967  *
1968  * Returns 0 on success, else non-zero.
1969  */
1970 static int
1971 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
1972     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
1973 {
1974         /* Individual Sector Erase Command Sequence */
1975         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1976         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1977         qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1978         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1979         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1980         if (man_id == 0x1f && flash_id == 0x13)
1981                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
1982         else
1983                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
1984
1985         udelay(150);
1986
1987         /* Wait for erase to complete. */
1988         return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
1989 }
1990
1991 /**
1992  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
1993  * @man_id: Flash manufacturer ID
1994  * @flash_id: Flash ID
1995  */
1996 static void
1997 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
1998     uint8_t *flash_id)
1999 {
2000         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2001         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2002         qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2003         *man_id = qla2x00_read_flash_byte(ha, 0x0000);
2004         *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2005         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2006         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2007         qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2008 }
2009
2010 static void
2011 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2012         uint32_t saddr, uint32_t length)
2013 {
2014         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2015         uint32_t midpoint, ilength;
2016         uint8_t data;
2017
2018         midpoint = length / 2;
2019
2020         WRT_REG_WORD(&reg->nvram, 0);
2021         RD_REG_WORD(&reg->nvram);
2022         for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2023                 if (ilength == midpoint) {
2024                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2025                         RD_REG_WORD(&reg->nvram);
2026                 }
2027                 data = qla2x00_read_flash_byte(ha, saddr);
2028                 if (saddr % 100)
2029                         udelay(10);
2030                 *tmp_buf = data;
2031                 cond_resched();
2032         }
2033 }
2034
2035 static inline void
2036 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2037 {
2038         int cnt;
2039         unsigned long flags;
2040         struct qla_hw_data *ha = vha->hw;
2041         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2042
2043         /* Suspend HBA. */
2044         scsi_block_requests(vha->host);
2045         ha->isp_ops->disable_intrs(ha);
2046         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2047
2048         /* Pause RISC. */
2049         spin_lock_irqsave(&ha->hardware_lock, flags);
2050         WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2051         RD_REG_WORD(&reg->hccr);
2052         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2053                 for (cnt = 0; cnt < 30000; cnt++) {
2054                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2055                                 break;
2056                         udelay(100);
2057                 }
2058         } else {
2059                 udelay(10);
2060         }
2061         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2062 }
2063
2064 static inline void
2065 qla2x00_resume_hba(struct scsi_qla_host *vha)
2066 {
2067         struct qla_hw_data *ha = vha->hw;
2068
2069         /* Resume HBA. */
2070         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2071         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2072         qla2xxx_wake_dpc(vha);
2073         qla2x00_wait_for_chip_reset(vha);
2074         scsi_unblock_requests(vha->host);
2075 }
2076
2077 uint8_t *
2078 qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2079     uint32_t offset, uint32_t length)
2080 {
2081         uint32_t addr, midpoint;
2082         uint8_t *data;
2083         struct qla_hw_data *ha = vha->hw;
2084         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2085
2086         /* Suspend HBA. */
2087         qla2x00_suspend_hba(vha);
2088
2089         /* Go with read. */
2090         midpoint = ha->optrom_size / 2;
2091
2092         qla2x00_flash_enable(ha);
2093         WRT_REG_WORD(&reg->nvram, 0);
2094         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
2095         for (addr = offset, data = buf; addr < length; addr++, data++) {
2096                 if (addr == midpoint) {
2097                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2098                         RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
2099                 }
2100
2101                 *data = qla2x00_read_flash_byte(ha, addr);
2102         }
2103         qla2x00_flash_disable(ha);
2104
2105         /* Resume HBA. */
2106         qla2x00_resume_hba(vha);
2107
2108         return buf;
2109 }
2110
2111 int
2112 qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2113     uint32_t offset, uint32_t length)
2114 {
2115
2116         int rval;
2117         uint8_t man_id, flash_id, sec_number, data;
2118         uint16_t wd;
2119         uint32_t addr, liter, sec_mask, rest_addr;
2120         struct qla_hw_data *ha = vha->hw;
2121         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2122
2123         /* Suspend HBA. */
2124         qla2x00_suspend_hba(vha);
2125
2126         rval = QLA_SUCCESS;
2127         sec_number = 0;
2128
2129         /* Reset ISP chip. */
2130         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2131         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2132
2133         /* Go with write. */
2134         qla2x00_flash_enable(ha);
2135         do {    /* Loop once to provide quick error exit */
2136                 /* Structure of flash memory based on manufacturer */
2137                 if (IS_OEM_001(ha)) {
2138                         /* OEM variant with special flash part. */
2139                         man_id = flash_id = 0;
2140                         rest_addr = 0xffff;
2141                         sec_mask   = 0x10000;
2142                         goto update_flash;
2143                 }
2144                 qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2145                 switch (man_id) {
2146                 case 0x20: /* ST flash. */
2147                         if (flash_id == 0xd2 || flash_id == 0xe3) {
2148                                 /*
2149                                  * ST m29w008at part - 64kb sector size with
2150                                  * 32kb,8kb,8kb,16kb sectors at memory address
2151                                  * 0xf0000.
2152                                  */
2153                                 rest_addr = 0xffff;
2154                                 sec_mask = 0x10000;
2155                                 break;
2156                         }
2157                         /*
2158                          * ST m29w010b part - 16kb sector size
2159                          * Default to 16kb sectors
2160                          */
2161                         rest_addr = 0x3fff;
2162                         sec_mask = 0x1c000;
2163                         break;
2164                 case 0x40: /* Mostel flash. */
2165                         /* Mostel v29c51001 part - 512 byte sector size. */
2166                         rest_addr = 0x1ff;
2167                         sec_mask = 0x1fe00;
2168                         break;
2169                 case 0xbf: /* SST flash. */
2170                         /* SST39sf10 part - 4kb sector size. */
2171                         rest_addr = 0xfff;
2172                         sec_mask = 0x1f000;
2173                         break;
2174                 case 0xda: /* Winbond flash. */
2175                         /* Winbond W29EE011 part - 256 byte sector size. */
2176                         rest_addr = 0x7f;
2177                         sec_mask = 0x1ff80;
2178                         break;
2179                 case 0xc2: /* Macronix flash. */
2180                         /* 64k sector size. */
2181                         if (flash_id == 0x38 || flash_id == 0x4f) {
2182                                 rest_addr = 0xffff;
2183                                 sec_mask = 0x10000;
2184                                 break;
2185                         }
2186                         /* Fall through... */
2187
2188                 case 0x1f: /* Atmel flash. */
2189                         /* 512k sector size. */
2190                         if (flash_id == 0x13) {
2191                                 rest_addr = 0x7fffffff;
2192                                 sec_mask =   0x80000000;
2193                                 break;
2194                         }
2195                         /* Fall through... */
2196
2197                 case 0x01: /* AMD flash. */
2198                         if (flash_id == 0x38 || flash_id == 0x40 ||
2199                             flash_id == 0x4f) {
2200                                 /* Am29LV081 part - 64kb sector size. */
2201                                 /* Am29LV002BT part - 64kb sector size. */
2202                                 rest_addr = 0xffff;
2203                                 sec_mask = 0x10000;
2204                                 break;
2205                         } else if (flash_id == 0x3e) {
2206                                 /*
2207                                  * Am29LV008b part - 64kb sector size with
2208                                  * 32kb,8kb,8kb,16kb sector at memory address
2209                                  * h0xf0000.
2210                                  */
2211                                 rest_addr = 0xffff;
2212                                 sec_mask = 0x10000;
2213                                 break;
2214                         } else if (flash_id == 0x20 || flash_id == 0x6e) {
2215                                 /*
2216                                  * Am29LV010 part or AM29f010 - 16kb sector
2217                                  * size.
2218                                  */
2219                                 rest_addr = 0x3fff;
2220                                 sec_mask = 0x1c000;
2221                                 break;
2222                         } else if (flash_id == 0x6d) {
2223                                 /* Am29LV001 part - 8kb sector size. */
2224                                 rest_addr = 0x1fff;
2225                                 sec_mask = 0x1e000;
2226                                 break;
2227                         }
2228                 default:
2229                         /* Default to 16 kb sector size. */
2230                         rest_addr = 0x3fff;
2231                         sec_mask = 0x1c000;
2232                         break;
2233                 }
2234
2235 update_flash:
2236                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2237                         if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2238                                 rval = QLA_FUNCTION_FAILED;
2239                                 break;
2240                         }
2241                 }
2242
2243                 for (addr = offset, liter = 0; liter < length; liter++,
2244                     addr++) {
2245                         data = buf[liter];
2246                         /* Are we at the beginning of a sector? */
2247                         if ((addr & rest_addr) == 0) {
2248                                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2249                                         if (addr >= 0x10000UL) {
2250                                                 if (((addr >> 12) & 0xf0) &&
2251                                                     ((man_id == 0x01 &&
2252                                                         flash_id == 0x3e) ||
2253                                                      (man_id == 0x20 &&
2254                                                          flash_id == 0xd2))) {
2255                                                         sec_number++;
2256                                                         if (sec_number == 1) {
2257                                                                 rest_addr =
2258                                                                     0x7fff;
2259                                                                 sec_mask =
2260                                                                     0x18000;
2261                                                         } else if (
2262                                                             sec_number == 2 ||
2263                                                             sec_number == 3) {
2264                                                                 rest_addr =
2265                                                                     0x1fff;
2266                                                                 sec_mask =
2267                                                                     0x1e000;
2268                                                         } else if (
2269                                                             sec_number == 4) {
2270                                                                 rest_addr =
2271                                                                     0x3fff;
2272                                                                 sec_mask =
2273                                                                     0x1c000;
2274                                                         }
2275                                                 }
2276                                         }
2277                                 } else if (addr == ha->optrom_size / 2) {
2278                                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2279                                         RD_REG_WORD(&reg->nvram);
2280                                 }
2281
2282                                 if (flash_id == 0xda && man_id == 0xc1) {
2283                                         qla2x00_write_flash_byte(ha, 0x5555,
2284                                             0xaa);
2285                                         qla2x00_write_flash_byte(ha, 0x2aaa,
2286                                             0x55);
2287                                         qla2x00_write_flash_byte(ha, 0x5555,
2288                                             0xa0);
2289                                 } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2290                                         /* Then erase it */
2291                                         if (qla2x00_erase_flash_sector(ha,
2292                                             addr, sec_mask, man_id,
2293                                             flash_id)) {
2294                                                 rval = QLA_FUNCTION_FAILED;
2295                                                 break;
2296                                         }
2297                                         if (man_id == 0x01 && flash_id == 0x6d)
2298                                                 sec_number++;
2299                                 }
2300                         }
2301
2302                         if (man_id == 0x01 && flash_id == 0x6d) {
2303                                 if (sec_number == 1 &&
2304                                     addr == (rest_addr - 1)) {
2305                                         rest_addr = 0x0fff;
2306                                         sec_mask   = 0x1f000;
2307                                 } else if (sec_number == 3 && (addr & 0x7ffe)) {
2308                                         rest_addr = 0x3fff;
2309                                         sec_mask   = 0x1c000;
2310                                 }
2311                         }
2312
2313                         if (qla2x00_program_flash_address(ha, addr, data,
2314                             man_id, flash_id)) {
2315                                 rval = QLA_FUNCTION_FAILED;
2316                                 break;
2317                         }
2318                         cond_resched();
2319                 }
2320         } while (0);
2321         qla2x00_flash_disable(ha);
2322
2323         /* Resume HBA. */
2324         qla2x00_resume_hba(vha);
2325
2326         return rval;
2327 }
2328
2329 uint8_t *
2330 qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2331     uint32_t offset, uint32_t length)
2332 {
2333         struct qla_hw_data *ha = vha->hw;
2334
2335         /* Suspend HBA. */
2336         scsi_block_requests(vha->host);
2337         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2338
2339         /* Go with read. */
2340         qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
2341
2342         /* Resume HBA. */
2343         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2344         scsi_unblock_requests(vha->host);
2345
2346         return buf;
2347 }
2348
2349 int
2350 qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2351     uint32_t offset, uint32_t length)
2352 {
2353         int rval;
2354         struct qla_hw_data *ha = vha->hw;
2355
2356         /* Suspend HBA. */
2357         scsi_block_requests(vha->host);
2358         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2359
2360         /* Go with write. */
2361         rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
2362             length >> 2);
2363
2364         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2365         scsi_unblock_requests(vha->host);
2366
2367         return rval;
2368 }
2369
2370 uint8_t *
2371 qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2372     uint32_t offset, uint32_t length)
2373 {
2374         int rval;
2375         dma_addr_t optrom_dma;
2376         void *optrom;
2377         uint8_t *pbuf;
2378         uint32_t faddr, left, burst;
2379         struct qla_hw_data *ha = vha->hw;
2380
2381         if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
2382                 goto try_fast;
2383         if (offset & 0xfff)
2384                 goto slow_read;
2385         if (length < OPTROM_BURST_SIZE)
2386                 goto slow_read;
2387
2388 try_fast:
2389         optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2390             &optrom_dma, GFP_KERNEL);
2391         if (!optrom) {
2392                 qla_printk(KERN_DEBUG, ha,
2393                     "Unable to allocate memory for optrom burst read "
2394                     "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
2395
2396                 goto slow_read;
2397         }
2398
2399         pbuf = buf;
2400         faddr = offset >> 2;
2401         left = length >> 2;
2402         burst = OPTROM_BURST_DWORDS;
2403         while (left != 0) {
2404                 if (burst > left)
2405                         burst = left;
2406
2407                 rval = qla2x00_dump_ram(vha, optrom_dma,
2408                     flash_data_addr(ha, faddr), burst);
2409                 if (rval) {
2410                         qla_printk(KERN_WARNING, ha,
2411                             "Unable to burst-read optrom segment "
2412                             "(%x/%x/%llx).\n", rval,
2413                             flash_data_addr(ha, faddr),
2414                             (unsigned long long)optrom_dma);
2415                         qla_printk(KERN_WARNING, ha,
2416                             "Reverting to slow-read.\n");
2417
2418                         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2419                             optrom, optrom_dma);
2420                         goto slow_read;
2421                 }
2422
2423                 memcpy(pbuf, optrom, burst * 4);
2424
2425                 left -= burst;
2426                 faddr += burst;
2427                 pbuf += burst * 4;
2428         }
2429
2430         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
2431             optrom_dma);
2432
2433         return buf;
2434
2435 slow_read:
2436     return qla24xx_read_optrom_data(vha, buf, offset, length);
2437 }
2438
2439 /**
2440  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
2441  * @ha: HA context
2442  * @pcids: Pointer to the FCODE PCI data structure
2443  *
2444  * The process of retrieving the FCODE version information is at best
2445  * described as interesting.
2446  *
2447  * Within the first 100h bytes of the image an ASCII string is present
2448  * which contains several pieces of information including the FCODE
2449  * version.  Unfortunately it seems the only reliable way to retrieve
2450  * the version is by scanning for another sentinel within the string,
2451  * the FCODE build date:
2452  *
2453  *      ... 2.00.02 10/17/02 ...
2454  *
2455  * Returns QLA_SUCCESS on successful retrieval of version.
2456  */
2457 static void
2458 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
2459 {
2460         int ret = QLA_FUNCTION_FAILED;
2461         uint32_t istart, iend, iter, vend;
2462         uint8_t do_next, rbyte, *vbyte;
2463
2464         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2465
2466         /* Skip the PCI data structure. */
2467         istart = pcids +
2468             ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2469                 qla2x00_read_flash_byte(ha, pcids + 0x0A));
2470         iend = istart + 0x100;
2471         do {
2472                 /* Scan for the sentinel date string...eeewww. */
2473                 do_next = 0;
2474                 iter = istart;
2475                 while ((iter < iend) && !do_next) {
2476                         iter++;
2477                         if (qla2x00_read_flash_byte(ha, iter) == '/') {
2478                                 if (qla2x00_read_flash_byte(ha, iter + 2) ==
2479                                     '/')
2480                                         do_next++;
2481                                 else if (qla2x00_read_flash_byte(ha,
2482                                     iter + 3) == '/')
2483                                         do_next++;
2484                         }
2485                 }
2486                 if (!do_next)
2487                         break;
2488
2489                 /* Backtrack to previous ' ' (space). */
2490                 do_next = 0;
2491                 while ((iter > istart) && !do_next) {
2492                         iter--;
2493                         if (qla2x00_read_flash_byte(ha, iter) == ' ')
2494                                 do_next++;
2495                 }
2496                 if (!do_next)
2497                         break;
2498
2499                 /*
2500                  * Mark end of version tag, and find previous ' ' (space) or
2501                  * string length (recent FCODE images -- major hack ahead!!!).
2502                  */
2503                 vend = iter - 1;
2504                 do_next = 0;
2505                 while ((iter > istart) && !do_next) {
2506                         iter--;
2507                         rbyte = qla2x00_read_flash_byte(ha, iter);
2508                         if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2509                                 do_next++;
2510                 }
2511                 if (!do_next)
2512                         break;
2513
2514                 /* Mark beginning of version tag, and copy data. */
2515                 iter++;
2516                 if ((vend - iter) &&
2517                     ((vend - iter) < sizeof(ha->fcode_revision))) {
2518                         vbyte = ha->fcode_revision;
2519                         while (iter <= vend) {
2520                                 *vbyte++ = qla2x00_read_flash_byte(ha, iter);
2521                                 iter++;
2522                         }
2523                         ret = QLA_SUCCESS;
2524                 }
2525         } while (0);
2526
2527         if (ret != QLA_SUCCESS)
2528                 memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2529 }
2530
2531 int
2532 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2533 {
2534         int ret = QLA_SUCCESS;
2535         uint8_t code_type, last_image;
2536         uint32_t pcihdr, pcids;
2537         uint8_t *dbyte;
2538         uint16_t *dcode;
2539         struct qla_hw_data *ha = vha->hw;
2540
2541         if (!ha->pio_address || !mbuf)
2542                 return QLA_FUNCTION_FAILED;
2543
2544         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2545         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2546         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2547         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2548
2549         qla2x00_flash_enable(ha);
2550
2551         /* Begin with first PCI expansion ROM header. */
2552         pcihdr = 0;
2553         last_image = 1;
2554         do {
2555                 /* Verify PCI expansion ROM header. */
2556                 if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2557                     qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2558                         /* No signature */
2559                         DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2560                             "signature.\n"));
2561                         ret = QLA_FUNCTION_FAILED;
2562                         break;
2563                 }
2564
2565                 /* Locate PCI data structure. */
2566                 pcids = pcihdr +
2567                     ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2568                         qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2569
2570                 /* Validate signature of PCI data structure. */
2571                 if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2572                     qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2573                     qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2574                     qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2575                         /* Incorrect header. */
2576                         DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2577                             "found pcir_adr=%x.\n", pcids));
2578                         ret = QLA_FUNCTION_FAILED;
2579                         break;
2580                 }
2581
2582                 /* Read version */
2583                 code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2584                 switch (code_type) {
2585                 case ROM_CODE_TYPE_BIOS:
2586                         /* Intel x86, PC-AT compatible. */
2587                         ha->bios_revision[0] =
2588                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2589                         ha->bios_revision[1] =
2590                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2591                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2592                             ha->bios_revision[1], ha->bios_revision[0]));
2593                         break;
2594                 case ROM_CODE_TYPE_FCODE:
2595                         /* Open Firmware standard for PCI (FCode). */
2596                         /* Eeeewww... */
2597                         qla2x00_get_fcode_version(ha, pcids);
2598                         break;
2599                 case ROM_CODE_TYPE_EFI:
2600                         /* Extensible Firmware Interface (EFI). */
2601                         ha->efi_revision[0] =
2602                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2603                         ha->efi_revision[1] =
2604                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2605                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2606                             ha->efi_revision[1], ha->efi_revision[0]));
2607                         break;
2608                 default:
2609                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2610                             "type %x at pcids %x.\n", code_type, pcids));
2611                         break;
2612                 }
2613
2614                 last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2615
2616                 /* Locate next PCI expansion ROM. */
2617                 pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2618                     qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2619         } while (!last_image);
2620
2621         if (IS_QLA2322(ha)) {
2622                 /* Read firmware image information. */
2623                 memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2624                 dbyte = mbuf;
2625                 memset(dbyte, 0, 8);
2626                 dcode = (uint16_t *)dbyte;
2627
2628                 qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2629                     8);
2630                 DEBUG3(qla_printk(KERN_DEBUG, ha, "dumping fw ver from "
2631                     "flash:\n"));
2632                 DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
2633
2634                 if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2635                     dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2636                     (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2637                     dcode[3] == 0)) {
2638                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2639                             "revision at %x.\n", ha->flt_region_fw * 4));
2640                 } else {
2641                         /* values are in big endian */
2642                         ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2643                         ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2644                         ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2645                 }
2646         }
2647
2648         qla2x00_flash_disable(ha);
2649
2650         return ret;
2651 }
2652
2653 int
2654 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2655 {
2656         int ret = QLA_SUCCESS;
2657         uint32_t pcihdr, pcids;
2658         uint32_t *dcode;
2659         uint8_t *bcode;
2660         uint8_t code_type, last_image;
2661         int i;
2662         struct qla_hw_data *ha = vha->hw;
2663
2664         if (IS_QLA82XX(ha))
2665                 return ret;
2666
2667         if (!mbuf)
2668                 return QLA_FUNCTION_FAILED;
2669
2670         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2671         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2672         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2673         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2674
2675         dcode = mbuf;
2676
2677         /* Begin with first PCI expansion ROM header. */
2678         pcihdr = ha->flt_region_boot << 2;
2679         last_image = 1;
2680         do {
2681                 /* Verify PCI expansion ROM header. */
2682                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
2683                 bcode = mbuf + (pcihdr % 4);
2684                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2685                         /* No signature */
2686                         DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2687                             "signature.\n"));
2688                         ret = QLA_FUNCTION_FAILED;
2689                         break;
2690                 }
2691
2692                 /* Locate PCI data structure. */
2693                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2694
2695                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
2696                 bcode = mbuf + (pcihdr % 4);
2697
2698                 /* Validate signature of PCI data structure. */
2699                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2700                     bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2701                         /* Incorrect header. */
2702                         DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2703                             "found pcir_adr=%x.\n", pcids));
2704                         ret = QLA_FUNCTION_FAILED;
2705                         break;
2706                 }
2707
2708                 /* Read version */
2709                 code_type = bcode[0x14];
2710                 switch (code_type) {
2711                 case ROM_CODE_TYPE_BIOS:
2712                         /* Intel x86, PC-AT compatible. */
2713                         ha->bios_revision[0] = bcode[0x12];
2714                         ha->bios_revision[1] = bcode[0x13];
2715                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2716                             ha->bios_revision[1], ha->bios_revision[0]));
2717                         break;
2718                 case ROM_CODE_TYPE_FCODE:
2719                         /* Open Firmware standard for PCI (FCode). */
2720                         ha->fcode_revision[0] = bcode[0x12];
2721                         ha->fcode_revision[1] = bcode[0x13];
2722                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read FCODE %d.%d.\n",
2723                             ha->fcode_revision[1], ha->fcode_revision[0]));
2724                         break;
2725                 case ROM_CODE_TYPE_EFI:
2726                         /* Extensible Firmware Interface (EFI). */
2727                         ha->efi_revision[0] = bcode[0x12];
2728                         ha->efi_revision[1] = bcode[0x13];
2729                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2730                             ha->efi_revision[1], ha->efi_revision[0]));
2731                         break;
2732                 default:
2733                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2734                             "type %x at pcids %x.\n", code_type, pcids));
2735                         break;
2736                 }
2737
2738                 last_image = bcode[0x15] & BIT_7;
2739
2740                 /* Locate next PCI expansion ROM. */
2741                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2742         } while (!last_image);
2743
2744         /* Read firmware image information. */
2745         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2746         dcode = mbuf;
2747
2748         qla24xx_read_flash_data(vha, dcode, ha->flt_region_fw + 4, 4);
2749         for (i = 0; i < 4; i++)
2750                 dcode[i] = be32_to_cpu(dcode[i]);
2751
2752         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
2753             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
2754             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2755             dcode[3] == 0)) {
2756                 DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2757                     "revision at %x.\n", ha->flt_region_fw * 4));
2758         } else {
2759                 ha->fw_revision[0] = dcode[0];
2760                 ha->fw_revision[1] = dcode[1];
2761                 ha->fw_revision[2] = dcode[2];
2762                 ha->fw_revision[3] = dcode[3];
2763         }
2764
2765         /* Check for golden firmware and get version if available */
2766         if (!IS_QLA81XX(ha)) {
2767                 /* Golden firmware is not present in non 81XX adapters */
2768                 return ret;
2769         }
2770
2771         memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
2772         dcode = mbuf;
2773         ha->isp_ops->read_optrom(vha, (uint8_t *)dcode,
2774             ha->flt_region_gold_fw << 2, 32);
2775
2776         if (dcode[4] == 0xFFFFFFFF && dcode[5] == 0xFFFFFFFF &&
2777             dcode[6] == 0xFFFFFFFF && dcode[7] == 0xFFFFFFFF) {
2778                 DEBUG2(qla_printk(KERN_INFO, ha,
2779                     "%s(%ld): Unrecognized golden fw at 0x%x.\n",
2780                     __func__, vha->host_no, ha->flt_region_gold_fw * 4));
2781                 return ret;
2782         }
2783
2784         for (i = 4; i < 8; i++)
2785                 ha->gold_fw_version[i-4] = be32_to_cpu(dcode[i]);
2786
2787         return ret;
2788 }
2789
2790 static int
2791 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
2792 {
2793         if (pos >= end || *pos != 0x82)
2794                 return 0;
2795
2796         pos += 3 + pos[1];
2797         if (pos >= end || *pos != 0x90)
2798                 return 0;
2799
2800         pos += 3 + pos[1];
2801         if (pos >= end || *pos != 0x78)
2802                 return 0;
2803
2804         return 1;
2805 }
2806
2807 int
2808 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
2809 {
2810         struct qla_hw_data *ha = vha->hw;
2811         uint8_t *pos = ha->vpd;
2812         uint8_t *end = pos + ha->vpd_size;
2813         int len = 0;
2814
2815         if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
2816                 return 0;
2817
2818         while (pos < end && *pos != 0x78) {
2819                 len = (*pos == 0x82) ? pos[1] : pos[2];
2820
2821                 if (!strncmp(pos, key, strlen(key)))
2822                         break;
2823
2824                 if (*pos != 0x90 && *pos != 0x91)
2825                         pos += len;
2826
2827                 pos += 3;
2828         }
2829
2830         if (pos < end - len && *pos != 0x78)
2831                 return snprintf(str, size, "%.*s", len, pos + 3);
2832
2833         return 0;
2834 }
2835
2836 int
2837 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
2838 {
2839         int len, max_len;
2840         uint32_t fcp_prio_addr;
2841         struct qla_hw_data *ha = vha->hw;
2842
2843         if (!ha->fcp_prio_cfg) {
2844                 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
2845                 if (!ha->fcp_prio_cfg) {
2846                         qla_printk(KERN_WARNING, ha,
2847                         "Unable to allocate memory for fcp priority data "
2848                                         "(%x).\n", FCP_PRIO_CFG_SIZE);
2849                         return QLA_FUNCTION_FAILED;
2850                 }
2851         }
2852         memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
2853
2854         fcp_prio_addr = ha->flt_region_fcp_prio;
2855
2856         /* first read the fcp priority data header from flash */
2857         ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
2858                         fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
2859
2860         if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 0))
2861                 goto fail;
2862
2863         /* read remaining FCP CMD config data from flash */
2864         fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
2865         len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
2866         max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
2867
2868         ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
2869                         fcp_prio_addr << 2, (len < max_len ? len : max_len));
2870
2871         /* revalidate the entire FCP priority config data, including entries */
2872         if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 1))
2873                 goto fail;
2874
2875         ha->flags.fcp_prio_enabled = 1;
2876         return QLA_SUCCESS;
2877 fail:
2878         vfree(ha->fcp_prio_cfg);
2879         ha->fcp_prio_cfg = NULL;
2880         return QLA_FUNCTION_FAILED;
2881 }