drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9 #include "qlcnic_hw.h"
  10
  11 struct crb_addr_pair {
  12         u32 addr;
  13         u32 data;
  14 };
  15
  16 #define QLCNIC_MAX_CRB_XFORM 60
  17 static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM];
  18
  19 #define crb_addr_transform(name) \
  20         (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
  21         QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
  22
  23 #define QLCNIC_ADDR_ERROR (0xffffffff)
  24
  25 static int
  26 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);
  27
  28 static void crb_addr_transform_setup(void)
  29 {
  30         crb_addr_transform(XDMA);
  31         crb_addr_transform(TIMR);
  32         crb_addr_transform(SRE);
  33         crb_addr_transform(SQN3);
  34         crb_addr_transform(SQN2);
  35         crb_addr_transform(SQN1);
  36         crb_addr_transform(SQN0);
  37         crb_addr_transform(SQS3);
  38         crb_addr_transform(SQS2);
  39         crb_addr_transform(SQS1);
  40         crb_addr_transform(SQS0);
  41         crb_addr_transform(RPMX7);
  42         crb_addr_transform(RPMX6);
  43         crb_addr_transform(RPMX5);
  44         crb_addr_transform(RPMX4);
  45         crb_addr_transform(RPMX3);
  46         crb_addr_transform(RPMX2);
  47         crb_addr_transform(RPMX1);
  48         crb_addr_transform(RPMX0);
  49         crb_addr_transform(ROMUSB);
  50         crb_addr_transform(SN);
  51         crb_addr_transform(QMN);
  52         crb_addr_transform(QMS);
  53         crb_addr_transform(PGNI);
  54         crb_addr_transform(PGND);
  55         crb_addr_transform(PGN3);
  56         crb_addr_transform(PGN2);
  57         crb_addr_transform(PGN1);
  58         crb_addr_transform(PGN0);
  59         crb_addr_transform(PGSI);
  60         crb_addr_transform(PGSD);
  61         crb_addr_transform(PGS3);
  62         crb_addr_transform(PGS2);
  63         crb_addr_transform(PGS1);
  64         crb_addr_transform(PGS0);
  65         crb_addr_transform(PS);
  66         crb_addr_transform(PH);
  67         crb_addr_transform(NIU);
  68         crb_addr_transform(I2Q);
  69         crb_addr_transform(EG);
  70         crb_addr_transform(MN);
  71         crb_addr_transform(MS);
  72         crb_addr_transform(CAS2);
  73         crb_addr_transform(CAS1);
  74         crb_addr_transform(CAS0);
  75         crb_addr_transform(CAM);
  76         crb_addr_transform(C2C1);
  77         crb_addr_transform(C2C0);
  78         crb_addr_transform(SMB);
  79         crb_addr_transform(OCM0);
  80         crb_addr_transform(I2C0);
  81 }
  82
  83 void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter)
  84 {
  85         struct qlcnic_recv_context *recv_ctx;
  86         struct qlcnic_host_rds_ring *rds_ring;
  87         struct qlcnic_rx_buffer *rx_buf;
  88         int i, ring;
  89
  90         recv_ctx = adapter->recv_ctx;
  91         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
  92                 rds_ring = &recv_ctx->rds_rings[ring];
  93                 for (i = 0; i < rds_ring->num_desc; ++i) {
  94                         rx_buf = &(rds_ring->rx_buf_arr[i]);
  95                         if (rx_buf->skb == NULL)
  96                                 continue;
  97
  98                         pci_unmap_single(adapter->pdev,
  99                                         rx_buf->dma,
 100                                         rds_ring->dma_size,
 101                                         PCI_DMA_FROMDEVICE);
 102
 103                         dev_kfree_skb_any(rx_buf->skb);
 104                 }
 105         }
 106 }
 107
 108 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter)
 109 {
 110         struct qlcnic_recv_context *recv_ctx;
 111         struct qlcnic_host_rds_ring *rds_ring;
 112         struct qlcnic_rx_buffer *rx_buf;
 113         int i, ring;
 114
 115         recv_ctx = adapter->recv_ctx;
 116         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 117                 rds_ring = &recv_ctx->rds_rings[ring];
 118
 119                 INIT_LIST_HEAD(&rds_ring->free_list);
 120
 121                 rx_buf = rds_ring->rx_buf_arr;
 122                 for (i = 0; i < rds_ring->num_desc; i++) {
 123                         list_add_tail(&rx_buf->list,
 124                                         &rds_ring->free_list);
 125                         rx_buf++;
 126                 }
 127         }
 128 }
 129
 130 void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter,
 131                                struct qlcnic_host_tx_ring *tx_ring)
 132 {
 133         struct qlcnic_cmd_buffer *cmd_buf;
 134         struct qlcnic_skb_frag *buffrag;
 135         int i, j;
 136
 137         spin_lock(&tx_ring->tx_clean_lock);
 138
 139         cmd_buf = tx_ring->cmd_buf_arr;
 140         for (i = 0; i < tx_ring->num_desc; i++) {
 141                 buffrag = cmd_buf->frag_array;
 142                 if (buffrag->dma) {
 143                         pci_unmap_single(adapter->pdev, buffrag->dma,
 144                                          buffrag->length, PCI_DMA_TODEVICE);
 145                         buffrag->dma = 0ULL;
 146                 }
 147                 for (j = 1; j < cmd_buf->frag_count; j++) {
 148                         buffrag++;
 149                         if (buffrag->dma) {
 150                                 pci_unmap_page(adapter->pdev, buffrag->dma,
 151                                                buffrag->length,
 152                                                PCI_DMA_TODEVICE);
 153                                 buffrag->dma = 0ULL;
 154                         }
 155                 }
 156                 if (cmd_buf->skb) {
 157                         dev_kfree_skb_any(cmd_buf->skb);
 158                         cmd_buf->skb = NULL;
 159                 }
 160                 cmd_buf++;
 161         }
 162
 163         spin_unlock(&tx_ring->tx_clean_lock);
 164 }
 165
 166 void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
 167 {
 168         struct qlcnic_recv_context *recv_ctx;
 169         struct qlcnic_host_rds_ring *rds_ring;
 170         int ring;
 171
 172         recv_ctx = adapter->recv_ctx;
 173
 174         if (recv_ctx->rds_rings == NULL)
 175                 return;
 176
 177         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 178                 rds_ring = &recv_ctx->rds_rings[ring];
 179                 vfree(rds_ring->rx_buf_arr);
 180                 rds_ring->rx_buf_arr = NULL;
 181         }
 182         kfree(recv_ctx->rds_rings);
 183 }
 184
 185 int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
 186 {
 187         struct qlcnic_recv_context *recv_ctx;
 188         struct qlcnic_host_rds_ring *rds_ring;
 189         struct qlcnic_host_sds_ring *sds_ring;
 190         struct qlcnic_rx_buffer *rx_buf;
 191         int ring, i;
 192
 193         recv_ctx = adapter->recv_ctx;
 194
 195         rds_ring = kcalloc(adapter->max_rds_rings,
 196                            sizeof(struct qlcnic_host_rds_ring), GFP_KERNEL);
 197         if (rds_ring == NULL)
 198                 goto err_out;
 199
 200         recv_ctx->rds_rings = rds_ring;
 201
 202         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 203                 rds_ring = &recv_ctx->rds_rings[ring];
 204                 switch (ring) {
 205                 case RCV_RING_NORMAL:
 206                         rds_ring->num_desc = adapter->num_rxd;
 207                         rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN;
 208                         rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
 209                         break;
 210
 211                 case RCV_RING_JUMBO:
 212                         rds_ring->num_desc = adapter->num_jumbo_rxd;
 213                         rds_ring->dma_size =
 214                                 QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN;
 215
 216                         if (adapter->ahw->capabilities &
 217                             QLCNIC_FW_CAPABILITY_HW_LRO)
 218                                 rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA;
 219
 220                         rds_ring->skb_size =
 221                                 rds_ring->dma_size + NET_IP_ALIGN;
 222                         break;
 223                 }
 224                 rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
 225                 if (rds_ring->rx_buf_arr == NULL)
 226                         goto err_out;
 227
 228                 INIT_LIST_HEAD(&rds_ring->free_list);
 229                 /*
 230                  * Now go through all of them, set reference handles
 231                  * and put them in the queues.
 232                  */
 233                 rx_buf = rds_ring->rx_buf_arr;
 234                 for (i = 0; i < rds_ring->num_desc; i++) {
 235                         list_add_tail(&rx_buf->list,
 236                                         &rds_ring->free_list);
 237                         rx_buf->ref_handle = i;
 238                         rx_buf++;
 239                 }
 240                 spin_lock_init(&rds_ring->lock);
 241         }
 242
 243         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 244                 sds_ring = &recv_ctx->sds_rings[ring];
 245                 sds_ring->irq = adapter->msix_entries[ring].vector;
 246                 sds_ring->adapter = adapter;
 247                 sds_ring->num_desc = adapter->num_rxd;
 248                 if (qlcnic_82xx_check(adapter)) {
 249                         if (qlcnic_check_multi_tx(adapter) &&
 250                             !adapter->ahw->diag_test)
 251                                 sds_ring->tx_ring = &adapter->tx_ring[ring];
 252                         else
 253                                 sds_ring->tx_ring = &adapter->tx_ring[0];
 254                 }
 255                 for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
 256                         INIT_LIST_HEAD(&sds_ring->free_list[i]);
 257         }
 258
 259         return 0;
 260
 261 err_out:
 262         qlcnic_free_sw_resources(adapter);
 263         return -ENOMEM;
 264 }
 265
 266 /*
 267  * Utility to translate from internal Phantom CRB address
 268  * to external PCI CRB address.
 269  */
 270 static u32 qlcnic_decode_crb_addr(u32 addr)
 271 {
 272         int i;
 273         u32 base_addr, offset, pci_base;
 274
 275         crb_addr_transform_setup();
 276
 277         pci_base = QLCNIC_ADDR_ERROR;
 278         base_addr = addr & 0xfff00000;
 279         offset = addr & 0x000fffff;
 280
 281         for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) {
 282                 if (crb_addr_xform[i] == base_addr) {
 283                         pci_base = i << 20;
 284                         break;
 285                 }
 286         }
 287         if (pci_base == QLCNIC_ADDR_ERROR)
 288                 return pci_base;
 289         else
 290                 return pci_base + offset;
 291 }
 292
 293 #define QLCNIC_MAX_ROM_WAIT_USEC        100
 294
 295 static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter)
 296 {
 297         long timeout = 0;
 298         long done = 0;
 299         int err = 0;
 300
 301         cond_resched();
 302         while (done == 0) {
 303                 done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err);
 304                 done &= 2;
 305                 if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) {
 306                         dev_err(&adapter->pdev->dev,
 307                                 "Timeout reached  waiting for rom done");
 308                         return -EIO;
 309                 }
 310                 udelay(1);
 311         }
 312         return 0;
 313 }
 314
 315 static int do_rom_fast_read(struct qlcnic_adapter *adapter,
 316                             u32 addr, u32 *valp)
 317 {
 318         int err = 0;
 319
 320         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr);
 321         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
 322         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3);
 323         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb);
 324         if (qlcnic_wait_rom_done(adapter)) {
 325                 dev_err(&adapter->pdev->dev, "Error waiting for rom done\n");
 326                 return -EIO;
 327         }
 328         /* reset abyte_cnt and dummy_byte_cnt */
 329         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0);
 330         udelay(10);
 331         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
 332
 333         *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err);
 334         if (err == -EIO)
 335                 return err;
 336         return 0;
 337 }
 338
 339 static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
 340                                   u8 *bytes, size_t size)
 341 {
 342         int addridx;
 343         int ret = 0;
 344
 345         for (addridx = addr; addridx < (addr + size); addridx += 4) {
 346                 int v;
 347                 ret = do_rom_fast_read(adapter, addridx, &v);
 348                 if (ret != 0)
 349                         break;
 350                 *(__le32 *)bytes = cpu_to_le32(v);
 351                 bytes += 4;
 352         }
 353
 354         return ret;
 355 }
 356
 357 int
 358 qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
 359                                 u8 *bytes, size_t size)
 360 {
 361         int ret;
 362
 363         ret = qlcnic_rom_lock(adapter);
 364         if (ret < 0)
 365                 return ret;
 366
 367         ret = do_rom_fast_read_words(adapter, addr, bytes, size);
 368
 369         qlcnic_rom_unlock(adapter);
 370         return ret;
 371 }
 372
 373 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp)
 374 {
 375         int ret;
 376
 377         if (qlcnic_rom_lock(adapter) != 0)
 378                 return -EIO;
 379
 380         ret = do_rom_fast_read(adapter, addr, valp);
 381         qlcnic_rom_unlock(adapter);
 382         return ret;
 383 }
 384
 385 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
 386 {
 387         int addr, err = 0;
 388         int i, n, init_delay;
 389         struct crb_addr_pair *buf;
 390         unsigned offset;
 391         u32 off, val;
 392         struct pci_dev *pdev = adapter->pdev;
 393
 394         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0);
 395         QLC_SHARED_REG_WR32(adapter, QLCNIC_RCVPEG_STATE, 0);
 396
 397         /* Halt all the indiviual PEGs and other blocks */
 398         /* disable all I2Q */
 399         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x10, 0x0);
 400         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x14, 0x0);
 401         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x18, 0x0);
 402         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x1c, 0x0);
 403         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x20, 0x0);
 404         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x24, 0x0);
 405
 406         /* disable all niu interrupts */
 407         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x40, 0xff);
 408         /* disable xge rx/tx */
 409         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x70000, 0x00);
 410         /* disable xg1 rx/tx */
 411         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x80000, 0x00);
 412         /* disable sideband mac */
 413         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x90000, 0x00);
 414         /* disable ap0 mac */
 415         QLCWR32(adapter, QLCNIC_CRB_NIU + 0xa0000, 0x00);
 416         /* disable ap1 mac */
 417         QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00);
 418
 419         /* halt sre */
 420         val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err);
 421         if (err == -EIO)
 422                 return err;
 423         QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1)));
 424
 425         /* halt epg */
 426         QLCWR32(adapter, QLCNIC_CRB_EPG + 0x1300, 0x1);
 427
 428         /* halt timers */
 429         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x0, 0x0);
 430         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x8, 0x0);
 431         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x10, 0x0);
 432         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x18, 0x0);
 433         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x100, 0x0);
 434         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x200, 0x0);
 435         /* halt pegs */
 436         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, 1);
 437         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, 1);
 438         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, 1);
 439         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, 1);
 440         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1);
 441         msleep(20);
 442
 443         qlcnic_rom_unlock(adapter);
 444         /* big hammer don't reset CAM block on reset */
 445         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
 446
 447         /* Init HW CRB block */
 448         if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
 449                         qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
 450                 dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
 451                 return -EIO;
 452         }
 453         offset = n & 0xffffU;
 454         n = (n >> 16) & 0xffffU;
 455
 456         if (n >= 1024) {
 457                 dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
 458                 return -EIO;
 459         }
 460
 461         buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
 462         if (buf == NULL)
 463                 return -ENOMEM;
 464
 465         for (i = 0; i < n; i++) {
 466                 if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
 467                 qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
 468                         kfree(buf);
 469                         return -EIO;
 470                 }
 471
 472                 buf[i].addr = addr;
 473                 buf[i].data = val;
 474         }
 475
 476         for (i = 0; i < n; i++) {
 477
 478                 off = qlcnic_decode_crb_addr(buf[i].addr);
 479                 if (off == QLCNIC_ADDR_ERROR) {
 480                         dev_err(&pdev->dev, "CRB init value out of range %x\n",
 481                                         buf[i].addr);
 482                         continue;
 483                 }
 484                 off += QLCNIC_PCI_CRBSPACE;
 485
 486                 if (off & 1)
 487                         continue;
 488
 489                 /* skipping cold reboot MAGIC */
 490                 if (off == QLCNIC_CAM_RAM(0x1fc))
 491                         continue;
 492                 if (off == (QLCNIC_CRB_I2C0 + 0x1c))
 493                         continue;
 494                 if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */
 495                         continue;
 496                 if (off == (ROMUSB_GLB + 0xa8))
 497                         continue;
 498                 if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
 499                         continue;
 500                 if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
 501                         continue;
 502                 if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
 503                         continue;
 504                 if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
 505                         continue;
 506                 /* skip the function enable register */
 507                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
 508                         continue;
 509                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
 510                         continue;
 511                 if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
 512                         continue;
 513
 514                 init_delay = 1;
 515                 /* After writing this register, HW needs time for CRB */
 516                 /* to quiet down (else crb_window returns 0xffffffff) */
 517                 if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
 518                         init_delay = 1000;
 519
 520                 QLCWR32(adapter, off, buf[i].data);
 521
 522                 msleep(init_delay);
 523         }
 524         kfree(buf);
 525
 526         /* Initialize protocol process engine */
 527         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
 528         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
 529         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
 530         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
 531         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
 532         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
 533         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
 534         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
 535         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
 536         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
 537         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
 538         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
 539         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
 540         usleep_range(1000, 1500);
 541
 542         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
 543         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
 544
 545         return 0;
 546 }
 547
 548 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
 549 {
 550         u32 val;
 551         int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
 552
 553         do {
 554                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE);
 555
 556                 switch (val) {
 557                 case PHAN_INITIALIZE_COMPLETE:
 558                 case PHAN_INITIALIZE_ACK:
 559                         return 0;
 560                 case PHAN_INITIALIZE_FAILED:
 561                         goto out_err;
 562                 default:
 563                         break;
 564                 }
 565
 566                 msleep(QLCNIC_CMDPEG_CHECK_DELAY);
 567
 568         } while (--retries);
 569
 570         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE,
 571                             PHAN_INITIALIZE_FAILED);
 572
 573 out_err:
 574         dev_err(&adapter->pdev->dev, "Command Peg initialization not "
 575                       "complete, state: 0x%x.\n", val);
 576         return -EIO;
 577 }
 578
 579 static int
 580 qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
 581 {
 582         u32 val;
 583         int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
 584
 585         do {
 586                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE);
 587
 588                 if (val == PHAN_PEG_RCV_INITIALIZED)
 589                         return 0;
 590
 591                 msleep(QLCNIC_RCVPEG_CHECK_DELAY);
 592
 593         } while (--retries);
 594
 595         dev_err(&adapter->pdev->dev, "Receive Peg initialization not complete, state: 0x%x.\n",
 596                 val);
 597         return -EIO;
 598 }
 599
 600 int
 601 qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
 602 {
 603         int err;
 604
 605         err = qlcnic_cmd_peg_ready(adapter);
 606         if (err)
 607                 return err;
 608
 609         err = qlcnic_receive_peg_ready(adapter);
 610         if (err)
 611                 return err;
 612
 613         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 614
 615         return err;
 616 }
 617
 618 int
 619 qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
 620
 621         int timeo;
 622         u32 val;
 623
 624         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
 625         val = QLC_DEV_GET_DRV(val, adapter->portnum);
 626         if ((val & 0x3) != QLCNIC_TYPE_NIC) {
 627                 dev_err(&adapter->pdev->dev,
 628                         "Not an Ethernet NIC func=%u\n", val);
 629                 return -EIO;
 630         }
 631         adapter->ahw->physical_port = (val >> 2);
 632         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
 633                 timeo = QLCNIC_INIT_TIMEOUT_SECS;
 634
 635         adapter->dev_init_timeo = timeo;
 636
 637         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
 638                 timeo = QLCNIC_RESET_TIMEOUT_SECS;
 639
 640         adapter->reset_ack_timeo = timeo;
 641
 642         return 0;
 643 }
 644
 645 static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
 646                                 struct qlcnic_flt_entry *region_entry)
 647 {
 648         struct qlcnic_flt_header flt_hdr;
 649         struct qlcnic_flt_entry *flt_entry;
 650         int i = 0, ret;
 651         u32 entry_size;
 652
 653         memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
 654         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
 655                                          (u8 *)&flt_hdr,
 656                                          sizeof(struct qlcnic_flt_header));
 657         if (ret) {
 658                 dev_warn(&adapter->pdev->dev,
 659                          "error reading flash layout header\n");
 660                 return -EIO;
 661         }
 662
 663         entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
 664         flt_entry = vzalloc(entry_size);
 665         if (flt_entry == NULL)
 666                 return -EIO;
 667
 668         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
 669                                          sizeof(struct qlcnic_flt_header),
 670                                          (u8 *)flt_entry, entry_size);
 671         if (ret) {
 672                 dev_warn(&adapter->pdev->dev,
 673                          "error reading flash layout entries\n");
 674                 goto err_out;
 675         }
 676
 677         while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
 678                 if (flt_entry[i].region == region)
 679                         break;
 680                 i++;
 681         }
 682         if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
 683                 dev_warn(&adapter->pdev->dev,
 684                          "region=%x not found in %d regions\n", region, i);
 685                 ret = -EIO;
 686                 goto err_out;
 687         }
 688         memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
 689
 690 err_out:
 691         vfree(flt_entry);
 692         return ret;
 693 }
 694
 695 int
 696 qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
 697 {
 698         struct qlcnic_flt_entry fw_entry;
 699         u32 ver = -1, min_ver;
 700         int ret;
 701
 702         if (adapter->ahw->revision_id == QLCNIC_P3P_C0)
 703                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION,
 704                                                  &fw_entry);
 705         else
 706                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION,
 707                                                  &fw_entry);
 708
 709         if (!ret)
 710                 /* 0-4:-signature,  4-8:-fw version */
 711                 qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
 712                                      (int *)&ver);
 713         else
 714                 qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
 715                                      (int *)&ver);
 716
 717         ver = QLCNIC_DECODE_VERSION(ver);
 718         min_ver = QLCNIC_MIN_FW_VERSION;
 719
 720         if (ver < min_ver) {
 721                 dev_err(&adapter->pdev->dev,
 722                         "firmware version %d.%d.%d unsupported."
 723                         "Min supported version %d.%d.%d\n",
 724                         _major(ver), _minor(ver), _build(ver),
 725                         _major(min_ver), _minor(min_ver), _build(min_ver));
 726                 return -EINVAL;
 727         }
 728
 729         return 0;
 730 }
 731
 732 static int
 733 qlcnic_has_mn(struct qlcnic_adapter *adapter)
 734 {
 735         u32 capability = 0;
 736         int err = 0;
 737
 738         capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err);
 739         if (err == -EIO)
 740                 return err;
 741         if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
 742                 return 1;
 743
 744         return 0;
 745 }
 746
 747 static
 748 struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
 749 {
 750         u32 i, entries;
 751         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 752         entries = le32_to_cpu(directory->num_entries);
 753
 754         for (i = 0; i < entries; i++) {
 755
 756                 u32 offs = le32_to_cpu(directory->findex) +
 757                            i * le32_to_cpu(directory->entry_size);
 758                 u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8));
 759
 760                 if (tab_type == section)
 761                         return (struct uni_table_desc *) &unirom[offs];
 762         }
 763
 764         return NULL;
 765 }
 766
 767 #define FILEHEADER_SIZE (14 * 4)
 768
 769 static int
 770 qlcnic_validate_header(struct qlcnic_adapter *adapter)
 771 {
 772         const u8 *unirom = adapter->fw->data;
 773         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 774         u32 entries, entry_size, tab_size, fw_file_size;
 775
 776         fw_file_size = adapter->fw->size;
 777
 778         if (fw_file_size < FILEHEADER_SIZE)
 779                 return -EINVAL;
 780
 781         entries = le32_to_cpu(directory->num_entries);
 782         entry_size = le32_to_cpu(directory->entry_size);
 783         tab_size = le32_to_cpu(directory->findex) + (entries * entry_size);
 784
 785         if (fw_file_size < tab_size)
 786                 return -EINVAL;
 787
 788         return 0;
 789 }
 790
 791 static int
 792 qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
 793 {
 794         struct uni_table_desc *tab_desc;
 795         struct uni_data_desc *descr;
 796         u32 offs, tab_size, data_size, idx;
 797         const u8 *unirom = adapter->fw->data;
 798         __le32 temp;
 799
 800         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 801                  QLCNIC_UNI_BOOTLD_IDX_OFF);
 802         idx = le32_to_cpu(temp);
 803         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
 804
 805         if (!tab_desc)
 806                 return -EINVAL;
 807
 808         tab_size = le32_to_cpu(tab_desc->findex) +
 809                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 810
 811         if (adapter->fw->size < tab_size)
 812                 return -EINVAL;
 813
 814         offs = le32_to_cpu(tab_desc->findex) +
 815                le32_to_cpu(tab_desc->entry_size) * idx;
 816         descr = (struct uni_data_desc *)&unirom[offs];
 817
 818         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 819
 820         if (adapter->fw->size < data_size)
 821                 return -EINVAL;
 822
 823         return 0;
 824 }
 825
 826 static int
 827 qlcnic_validate_fw(struct qlcnic_adapter *adapter)
 828 {
 829         struct uni_table_desc *tab_desc;
 830         struct uni_data_desc *descr;
 831         const u8 *unirom = adapter->fw->data;
 832         u32 offs, tab_size, data_size, idx;
 833         __le32 temp;
 834
 835         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 836                  QLCNIC_UNI_FIRMWARE_IDX_OFF);
 837         idx = le32_to_cpu(temp);
 838         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
 839
 840         if (!tab_desc)
 841                 return -EINVAL;
 842
 843         tab_size = le32_to_cpu(tab_desc->findex) +
 844                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 845
 846         if (adapter->fw->size < tab_size)
 847                 return -EINVAL;
 848
 849         offs = le32_to_cpu(tab_desc->findex) +
 850                le32_to_cpu(tab_desc->entry_size) * idx;
 851         descr = (struct uni_data_desc *)&unirom[offs];
 852         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 853
 854         if (adapter->fw->size < data_size)
 855                 return -EINVAL;
 856
 857         return 0;
 858 }
 859
 860 static int
 861 qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
 862 {
 863         struct uni_table_desc *ptab_descr;
 864         const u8 *unirom = adapter->fw->data;
 865         int mn_present = qlcnic_has_mn(adapter);
 866         u32 entries, entry_size, tab_size, i;
 867         __le32 temp;
 868
 869         ptab_descr = qlcnic_get_table_desc(unirom,
 870                                 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
 871         if (!ptab_descr)
 872                 return -EINVAL;
 873
 874         entries = le32_to_cpu(ptab_descr->num_entries);
 875         entry_size = le32_to_cpu(ptab_descr->entry_size);
 876         tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size);
 877
 878         if (adapter->fw->size < tab_size)
 879                 return -EINVAL;
 880
 881 nomn:
 882         for (i = 0; i < entries; i++) {
 883
 884                 u32 flags, file_chiprev, offs;
 885                 u8 chiprev = adapter->ahw->revision_id;
 886                 u32 flagbit;
 887
 888                 offs = le32_to_cpu(ptab_descr->findex) +
 889                        i * le32_to_cpu(ptab_descr->entry_size);
 890                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF);
 891                 flags = le32_to_cpu(temp);
 892                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF);
 893                 file_chiprev = le32_to_cpu(temp);
 894
 895                 flagbit = mn_present ? 1 : 2;
 896
 897                 if ((chiprev == file_chiprev) &&
 898                                         ((1ULL << flagbit) & flags)) {
 899                         adapter->file_prd_off = offs;
 900                         return 0;
 901                 }
 902         }
 903         if (mn_present) {
 904                 mn_present = 0;
 905                 goto nomn;
 906         }
 907         return -EINVAL;
 908 }
 909
 910 static int
 911 qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
 912 {
 913         if (qlcnic_validate_header(adapter)) {
 914                 dev_err(&adapter->pdev->dev,
 915                                 "unified image: header validation failed\n");
 916                 return -EINVAL;
 917         }
 918
 919         if (qlcnic_validate_product_offs(adapter)) {
 920                 dev_err(&adapter->pdev->dev,
 921                                 "unified image: product validation failed\n");
 922                 return -EINVAL;
 923         }
 924
 925         if (qlcnic_validate_bootld(adapter)) {
 926                 dev_err(&adapter->pdev->dev,
 927                                 "unified image: bootld validation failed\n");
 928                 return -EINVAL;
 929         }
 930
 931         if (qlcnic_validate_fw(adapter)) {
 932                 dev_err(&adapter->pdev->dev,
 933                                 "unified image: firmware validation failed\n");
 934                 return -EINVAL;
 935         }
 936
 937         return 0;
 938 }
 939
 940 static
 941 struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
 942                         u32 section, u32 idx_offset)
 943 {
 944         const u8 *unirom = adapter->fw->data;
 945         struct uni_table_desc *tab_desc;
 946         u32 offs, idx;
 947         __le32 temp;
 948
 949         temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset);
 950         idx = le32_to_cpu(temp);
 951
 952         tab_desc = qlcnic_get_table_desc(unirom, section);
 953
 954         if (tab_desc == NULL)
 955                 return NULL;
 956
 957         offs = le32_to_cpu(tab_desc->findex) +
 958                le32_to_cpu(tab_desc->entry_size) * idx;
 959
 960         return (struct uni_data_desc *)&unirom[offs];
 961 }
 962
 963 static u8 *
 964 qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
 965 {
 966         u32 offs = QLCNIC_BOOTLD_START;
 967         struct uni_data_desc *data_desc;
 968
 969         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD,
 970                                          QLCNIC_UNI_BOOTLD_IDX_OFF);
 971
 972         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
 973                 offs = le32_to_cpu(data_desc->findex);
 974
 975         return (u8 *)&adapter->fw->data[offs];
 976 }
 977
 978 static u8 *
 979 qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
 980 {
 981         u32 offs = QLCNIC_IMAGE_START;
 982         struct uni_data_desc *data_desc;
 983
 984         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
 985                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
 986         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
 987                 offs = le32_to_cpu(data_desc->findex);
 988
 989         return (u8 *)&adapter->fw->data[offs];
 990 }
 991
 992 static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
 993 {
 994         struct uni_data_desc *data_desc;
 995         const u8 *unirom = adapter->fw->data;
 996
 997         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
 998                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
 999
1000         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
1001                 return le32_to_cpu(data_desc->size);
1002         else
1003                 return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]);
1004 }
1005
1006 static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
1007 {
1008         struct uni_data_desc *fw_data_desc;
1009         const struct firmware *fw = adapter->fw;
1010         u32 major, minor, sub;
1011         __le32 version_offset;
1012         const u8 *ver_str;
1013         int i, ret;
1014
1015         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1016                 version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET];
1017                 return le32_to_cpu(version_offset);
1018         }
1019
1020         fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1021                         QLCNIC_UNI_FIRMWARE_IDX_OFF);
1022         ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) +
1023                   le32_to_cpu(fw_data_desc->size) - 17;
1024
1025         for (i = 0; i < 12; i++) {
1026                 if (!strncmp(&ver_str[i], "REV=", 4)) {
1027                         ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
1028                                         &major, &minor, &sub);
1029                         if (ret != 3)
1030                                 return 0;
1031                         else
1032                                 return major + (minor << 8) + (sub << 16);
1033                 }
1034         }
1035
1036         return 0;
1037 }
1038
1039 static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
1040 {
1041         const struct firmware *fw = adapter->fw;
1042         u32 bios_ver, prd_off = adapter->file_prd_off;
1043         u8 *version_offset;
1044         __le32 temp;
1045
1046         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1047                 version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET];
1048                 return le32_to_cpu(*(__le32 *)version_offset);
1049         }
1050
1051         temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF);
1052         bios_ver = le32_to_cpu(temp);
1053
1054         return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
1055 }
1056
1057 static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
1058 {
1059         if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
1060                 dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
1061
1062         qlcnic_pcie_sem_unlock(adapter, 2);
1063 }
1064
1065 static int
1066 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
1067 {
1068         u32 heartbeat, ret = -EIO;
1069         int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
1070
1071         adapter->heartbeat = QLC_SHARED_REG_RD32(adapter,
1072                                                  QLCNIC_PEG_ALIVE_COUNTER);
1073
1074         do {
1075                 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
1076                 heartbeat = QLC_SHARED_REG_RD32(adapter,
1077                                                 QLCNIC_PEG_ALIVE_COUNTER);
1078                 if (heartbeat != adapter->heartbeat) {
1079                         ret = QLCNIC_RCODE_SUCCESS;
1080                         break;
1081                 }
1082         } while (--retries);
1083
1084         return ret;
1085 }
1086
1087 int
1088 qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
1089 {
1090         if ((adapter->flags & QLCNIC_FW_HANG) ||
1091                         qlcnic_check_fw_hearbeat(adapter)) {
1092                 qlcnic_rom_lock_recovery(adapter);
1093                 return 1;
1094         }
1095
1096         if (adapter->need_fw_reset)
1097                 return 1;
1098
1099         if (adapter->fw)
1100                 return 1;
1101
1102         return 0;
1103 }
1104
1105 static const char *fw_name[] = {
1106         QLCNIC_UNIFIED_ROMIMAGE_NAME,
1107         QLCNIC_FLASH_ROMIMAGE_NAME,
1108 };
1109
1110 int
1111 qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1112 {
1113         __le64 *ptr64;
1114         u32 i, flashaddr, size;
1115         const struct firmware *fw = adapter->fw;
1116         struct pci_dev *pdev = adapter->pdev;
1117
1118         dev_info(&pdev->dev, "loading firmware from %s\n",
1119                  fw_name[adapter->ahw->fw_type]);
1120
1121         if (fw) {
1122                 u64 data;
1123
1124                 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1125
1126                 ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter);
1127                 flashaddr = QLCNIC_BOOTLD_START;
1128
1129                 for (i = 0; i < size; i++) {
1130                         data = le64_to_cpu(ptr64[i]);
1131
1132                         if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1133                                 return -EIO;
1134
1135                         flashaddr += 8;
1136                 }
1137
1138                 size = qlcnic_get_fw_size(adapter) / 8;
1139
1140                 ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter);
1141                 flashaddr = QLCNIC_IMAGE_START;
1142
1143                 for (i = 0; i < size; i++) {
1144                         data = le64_to_cpu(ptr64[i]);
1145
1146                         if (qlcnic_pci_mem_write_2M(adapter,
1147                                                 flashaddr, data))
1148                                 return -EIO;
1149
1150                         flashaddr += 8;
1151                 }
1152
1153                 size = qlcnic_get_fw_size(adapter) % 8;
1154                 if (size) {
1155                         data = le64_to_cpu(ptr64[i]);
1156
1157                         if (qlcnic_pci_mem_write_2M(adapter,
1158                                                 flashaddr, data))
1159                                 return -EIO;
1160                 }
1161
1162         } else {
1163                 u64 data;
1164                 u32 hi, lo;
1165                 int ret;
1166                 struct qlcnic_flt_entry bootld_entry;
1167
1168                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
1169                                         &bootld_entry);
1170                 if (!ret) {
1171                         size = bootld_entry.size / 8;
1172                         flashaddr = bootld_entry.start_addr;
1173                 } else {
1174                         size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1175                         flashaddr = QLCNIC_BOOTLD_START;
1176                         dev_info(&pdev->dev,
1177                                 "using legacy method to get flash fw region");
1178                 }
1179
1180                 for (i = 0; i < size; i++) {
1181                         if (qlcnic_rom_fast_read(adapter,
1182                                         flashaddr, (int *)&lo) != 0)
1183                                 return -EIO;
1184                         if (qlcnic_rom_fast_read(adapter,
1185                                         flashaddr + 4, (int *)&hi) != 0)
1186                                 return -EIO;
1187
1188                         data = (((u64)hi << 32) | lo);
1189
1190                         if (qlcnic_pci_mem_write_2M(adapter,
1191                                                 flashaddr, data))
1192                                 return -EIO;
1193
1194                         flashaddr += 8;
1195                 }
1196         }
1197         usleep_range(1000, 1500);
1198
1199         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1200         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1201         return 0;
1202 }
1203
1204 static int
1205 qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1206 {
1207         u32 val;
1208         u32 ver, bios, min_size;
1209         struct pci_dev *pdev = adapter->pdev;
1210         const struct firmware *fw = adapter->fw;
1211         u8 fw_type = adapter->ahw->fw_type;
1212
1213         if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1214                 if (qlcnic_validate_unified_romimage(adapter))
1215                         return -EINVAL;
1216
1217                 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1218         } else {
1219                 val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1220                 if (val != QLCNIC_BDINFO_MAGIC)
1221                         return -EINVAL;
1222
1223                 min_size = QLCNIC_FW_MIN_SIZE;
1224         }
1225
1226         if (fw->size < min_size)
1227                 return -EINVAL;
1228
1229         val = qlcnic_get_fw_version(adapter);
1230         ver = QLCNIC_DECODE_VERSION(val);
1231
1232         if (ver < QLCNIC_MIN_FW_VERSION) {
1233                 dev_err(&pdev->dev,
1234                                 "%s: firmware version %d.%d.%d unsupported\n",
1235                 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1236                 return -EINVAL;
1237         }
1238
1239         val = qlcnic_get_bios_version(adapter);
1240         qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1241         if (val != bios) {
1242                 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1243                                 fw_name[fw_type]);
1244                 return -EINVAL;
1245         }
1246
1247         QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC);
1248         return 0;
1249 }
1250
1251 static void
1252 qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1253 {
1254         u8 fw_type;
1255
1256         switch (adapter->ahw->fw_type) {
1257         case QLCNIC_UNKNOWN_ROMIMAGE:
1258                 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1259                 break;
1260
1261         case QLCNIC_UNIFIED_ROMIMAGE:
1262         default:
1263                 fw_type = QLCNIC_FLASH_ROMIMAGE;
1264                 break;
1265         }
1266
1267         adapter->ahw->fw_type = fw_type;
1268 }
1269
1270
1271
1272 void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1273 {
1274         struct pci_dev *pdev = adapter->pdev;
1275         int rc;
1276
1277         adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1278
1279 next:
1280         qlcnic_get_next_fwtype(adapter);
1281
1282         if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1283                 adapter->fw = NULL;
1284         } else {
1285                 rc = reject_firmware(&adapter->fw,
1286                                       fw_name[adapter->ahw->fw_type],
1287                                       &pdev->dev);
1288                 if (rc != 0)
1289                         goto next;
1290
1291                 rc = qlcnic_validate_firmware(adapter);
1292                 if (rc != 0) {
1293                         release_firmware(adapter->fw);
1294                         usleep_range(1000, 1500);
1295                         goto next;
1296                 }
1297         }
1298 }
1299
1300
1301 void
1302 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1303 {
1304         release_firmware(adapter->fw);
1305         adapter->fw = NULL;
1306 }