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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 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 {
 132         struct qlcnic_cmd_buffer *cmd_buf;
 133         struct qlcnic_skb_frag *buffrag;
 134         int i, j;
 135         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 136
 137         cmd_buf = tx_ring->cmd_buf_arr;
 138         for (i = 0; i < tx_ring->num_desc; i++) {
 139                 buffrag = cmd_buf->frag_array;
 140                 if (buffrag->dma) {
 141                         pci_unmap_single(adapter->pdev, buffrag->dma,
 142                                          buffrag->length, PCI_DMA_TODEVICE);
 143                         buffrag->dma = 0ULL;
 144                 }
 145                 for (j = 0; j < cmd_buf->frag_count; j++) {
 146                         buffrag++;
 147                         if (buffrag->dma) {
 148                                 pci_unmap_page(adapter->pdev, buffrag->dma,
 149                                                buffrag->length,
 150                                                PCI_DMA_TODEVICE);
 151                                 buffrag->dma = 0ULL;
 152                         }
 153                 }
 154                 if (cmd_buf->skb) {
 155                         dev_kfree_skb_any(cmd_buf->skb);
 156                         cmd_buf->skb = NULL;
 157                 }
 158                 cmd_buf++;
 159         }
 160 }
 161
 162 void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
 163 {
 164         struct qlcnic_recv_context *recv_ctx;
 165         struct qlcnic_host_rds_ring *rds_ring;
 166         struct qlcnic_host_tx_ring *tx_ring;
 167         int ring;
 168
 169         recv_ctx = adapter->recv_ctx;
 170
 171         if (recv_ctx->rds_rings == NULL)
 172                 goto skip_rds;
 173
 174         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 175                 rds_ring = &recv_ctx->rds_rings[ring];
 176                 vfree(rds_ring->rx_buf_arr);
 177                 rds_ring->rx_buf_arr = NULL;
 178         }
 179         kfree(recv_ctx->rds_rings);
 180
 181 skip_rds:
 182         if (adapter->tx_ring == NULL)
 183                 return;
 184
 185         tx_ring = adapter->tx_ring;
 186         vfree(tx_ring->cmd_buf_arr);
 187         tx_ring->cmd_buf_arr = NULL;
 188         kfree(adapter->tx_ring);
 189         adapter->tx_ring = NULL;
 190 }
 191
 192 int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
 193 {
 194         struct qlcnic_recv_context *recv_ctx;
 195         struct qlcnic_host_rds_ring *rds_ring;
 196         struct qlcnic_host_sds_ring *sds_ring;
 197         struct qlcnic_host_tx_ring *tx_ring;
 198         struct qlcnic_rx_buffer *rx_buf;
 199         int ring, i, size;
 200
 201         struct qlcnic_cmd_buffer *cmd_buf_arr;
 202         struct net_device *netdev = adapter->netdev;
 203
 204         size = sizeof(struct qlcnic_host_tx_ring);
 205         tx_ring = kzalloc(size, GFP_KERNEL);
 206         if (tx_ring == NULL) {
 207                 dev_err(&netdev->dev, "failed to allocate tx ring struct\n");
 208                 return -ENOMEM;
 209         }
 210         adapter->tx_ring = tx_ring;
 211
 212         tx_ring->num_desc = adapter->num_txd;
 213         tx_ring->txq = netdev_get_tx_queue(netdev, 0);
 214
 215         cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
 216         if (cmd_buf_arr == NULL) {
 217                 dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
 218                 goto err_out;
 219         }
 220         tx_ring->cmd_buf_arr = cmd_buf_arr;
 221
 222         recv_ctx = adapter->recv_ctx;
 223
 224         size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring);
 225         rds_ring = kzalloc(size, GFP_KERNEL);
 226         if (rds_ring == NULL) {
 227                 dev_err(&netdev->dev, "failed to allocate rds ring struct\n");
 228                 goto err_out;
 229         }
 230         recv_ctx->rds_rings = rds_ring;
 231
 232         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 233                 rds_ring = &recv_ctx->rds_rings[ring];
 234                 switch (ring) {
 235                 case RCV_RING_NORMAL:
 236                         rds_ring->num_desc = adapter->num_rxd;
 237                         rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN;
 238                         rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
 239                         break;
 240
 241                 case RCV_RING_JUMBO:
 242                         rds_ring->num_desc = adapter->num_jumbo_rxd;
 243                         rds_ring->dma_size =
 244                                 QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN;
 245
 246                         if (adapter->ahw->capabilities &
 247                             QLCNIC_FW_CAPABILITY_HW_LRO)
 248                                 rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA;
 249
 250                         rds_ring->skb_size =
 251                                 rds_ring->dma_size + NET_IP_ALIGN;
 252                         break;
 253                 }
 254                 rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
 255                 if (rds_ring->rx_buf_arr == NULL) {
 256                         dev_err(&netdev->dev, "Failed to allocate "
 257                                 "rx buffer ring %d\n", ring);
 258                         goto err_out;
 259                 }
 260                 INIT_LIST_HEAD(&rds_ring->free_list);
 261                 /*
 262                  * Now go through all of them, set reference handles
 263                  * and put them in the queues.
 264                  */
 265                 rx_buf = rds_ring->rx_buf_arr;
 266                 for (i = 0; i < rds_ring->num_desc; i++) {
 267                         list_add_tail(&rx_buf->list,
 268                                         &rds_ring->free_list);
 269                         rx_buf->ref_handle = i;
 270                         rx_buf++;
 271                 }
 272                 spin_lock_init(&rds_ring->lock);
 273         }
 274
 275         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 276                 sds_ring = &recv_ctx->sds_rings[ring];
 277                 sds_ring->irq = adapter->msix_entries[ring].vector;
 278                 sds_ring->adapter = adapter;
 279                 sds_ring->num_desc = adapter->num_rxd;
 280
 281                 for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
 282                         INIT_LIST_HEAD(&sds_ring->free_list[i]);
 283         }
 284
 285         return 0;
 286
 287 err_out:
 288         qlcnic_free_sw_resources(adapter);
 289         return -ENOMEM;
 290 }
 291
 292 /*
 293  * Utility to translate from internal Phantom CRB address
 294  * to external PCI CRB address.
 295  */
 296 static u32 qlcnic_decode_crb_addr(u32 addr)
 297 {
 298         int i;
 299         u32 base_addr, offset, pci_base;
 300
 301         crb_addr_transform_setup();
 302
 303         pci_base = QLCNIC_ADDR_ERROR;
 304         base_addr = addr & 0xfff00000;
 305         offset = addr & 0x000fffff;
 306
 307         for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) {
 308                 if (crb_addr_xform[i] == base_addr) {
 309                         pci_base = i << 20;
 310                         break;
 311                 }
 312         }
 313         if (pci_base == QLCNIC_ADDR_ERROR)
 314                 return pci_base;
 315         else
 316                 return pci_base + offset;
 317 }
 318
 319 #define QLCNIC_MAX_ROM_WAIT_USEC        100
 320
 321 static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter)
 322 {
 323         long timeout = 0;
 324         long done = 0;
 325
 326         cond_resched();
 327         while (done == 0) {
 328                 done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS);
 329                 done &= 2;
 330                 if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) {
 331                         dev_err(&adapter->pdev->dev,
 332                                 "Timeout reached  waiting for rom done");
 333                         return -EIO;
 334                 }
 335                 udelay(1);
 336         }
 337         return 0;
 338 }
 339
 340 static int do_rom_fast_read(struct qlcnic_adapter *adapter,
 341                             u32 addr, u32 *valp)
 342 {
 343         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr);
 344         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
 345         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3);
 346         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb);
 347         if (qlcnic_wait_rom_done(adapter)) {
 348                 dev_err(&adapter->pdev->dev, "Error waiting for rom done\n");
 349                 return -EIO;
 350         }
 351         /* reset abyte_cnt and dummy_byte_cnt */
 352         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0);
 353         udelay(10);
 354         QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
 355
 356         *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA);
 357         return 0;
 358 }
 359
 360 static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
 361                                   u8 *bytes, size_t size)
 362 {
 363         int addridx;
 364         int ret = 0;
 365
 366         for (addridx = addr; addridx < (addr + size); addridx += 4) {
 367                 int v;
 368                 ret = do_rom_fast_read(adapter, addridx, &v);
 369                 if (ret != 0)
 370                         break;
 371                 *(__le32 *)bytes = cpu_to_le32(v);
 372                 bytes += 4;
 373         }
 374
 375         return ret;
 376 }
 377
 378 int
 379 qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
 380                                 u8 *bytes, size_t size)
 381 {
 382         int ret;
 383
 384         ret = qlcnic_rom_lock(adapter);
 385         if (ret < 0)
 386                 return ret;
 387
 388         ret = do_rom_fast_read_words(adapter, addr, bytes, size);
 389
 390         qlcnic_rom_unlock(adapter);
 391         return ret;
 392 }
 393
 394 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp)
 395 {
 396         int ret;
 397
 398         if (qlcnic_rom_lock(adapter) != 0)
 399                 return -EIO;
 400
 401         ret = do_rom_fast_read(adapter, addr, valp);
 402         qlcnic_rom_unlock(adapter);
 403         return ret;
 404 }
 405
 406 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
 407 {
 408         int addr, val;
 409         int i, n, init_delay;
 410         struct crb_addr_pair *buf;
 411         unsigned offset;
 412         u32 off;
 413         struct pci_dev *pdev = adapter->pdev;
 414
 415         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0);
 416         QLC_SHARED_REG_WR32(adapter, QLCNIC_RCVPEG_STATE, 0);
 417
 418         /* Halt all the indiviual PEGs and other blocks */
 419         /* disable all I2Q */
 420         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x10, 0x0);
 421         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x14, 0x0);
 422         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x18, 0x0);
 423         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x1c, 0x0);
 424         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x20, 0x0);
 425         QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x24, 0x0);
 426
 427         /* disable all niu interrupts */
 428         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x40, 0xff);
 429         /* disable xge rx/tx */
 430         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x70000, 0x00);
 431         /* disable xg1 rx/tx */
 432         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x80000, 0x00);
 433         /* disable sideband mac */
 434         QLCWR32(adapter, QLCNIC_CRB_NIU + 0x90000, 0x00);
 435         /* disable ap0 mac */
 436         QLCWR32(adapter, QLCNIC_CRB_NIU + 0xa0000, 0x00);
 437         /* disable ap1 mac */
 438         QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00);
 439
 440         /* halt sre */
 441         val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000);
 442         QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1)));
 443
 444         /* halt epg */
 445         QLCWR32(adapter, QLCNIC_CRB_EPG + 0x1300, 0x1);
 446
 447         /* halt timers */
 448         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x0, 0x0);
 449         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x8, 0x0);
 450         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x10, 0x0);
 451         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x18, 0x0);
 452         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x100, 0x0);
 453         QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x200, 0x0);
 454         /* halt pegs */
 455         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, 1);
 456         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, 1);
 457         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, 1);
 458         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, 1);
 459         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1);
 460         msleep(20);
 461
 462         qlcnic_rom_unlock(adapter);
 463         /* big hammer don't reset CAM block on reset */
 464         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
 465
 466         /* Init HW CRB block */
 467         if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
 468                         qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
 469                 dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
 470                 return -EIO;
 471         }
 472         offset = n & 0xffffU;
 473         n = (n >> 16) & 0xffffU;
 474
 475         if (n >= 1024) {
 476                 dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
 477                 return -EIO;
 478         }
 479
 480         buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
 481         if (buf == NULL) {
 482                 dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n");
 483                 return -ENOMEM;
 484         }
 485
 486         for (i = 0; i < n; i++) {
 487                 if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
 488                 qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
 489                         kfree(buf);
 490                         return -EIO;
 491                 }
 492
 493                 buf[i].addr = addr;
 494                 buf[i].data = val;
 495         }
 496
 497         for (i = 0; i < n; i++) {
 498
 499                 off = qlcnic_decode_crb_addr(buf[i].addr);
 500                 if (off == QLCNIC_ADDR_ERROR) {
 501                         dev_err(&pdev->dev, "CRB init value out of range %x\n",
 502                                         buf[i].addr);
 503                         continue;
 504                 }
 505                 off += QLCNIC_PCI_CRBSPACE;
 506
 507                 if (off & 1)
 508                         continue;
 509
 510                 /* skipping cold reboot MAGIC */
 511                 if (off == QLCNIC_CAM_RAM(0x1fc))
 512                         continue;
 513                 if (off == (QLCNIC_CRB_I2C0 + 0x1c))
 514                         continue;
 515                 if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */
 516                         continue;
 517                 if (off == (ROMUSB_GLB + 0xa8))
 518                         continue;
 519                 if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
 520                         continue;
 521                 if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
 522                         continue;
 523                 if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
 524                         continue;
 525                 if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
 526                         continue;
 527                 /* skip the function enable register */
 528                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
 529                         continue;
 530                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
 531                         continue;
 532                 if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
 533                         continue;
 534
 535                 init_delay = 1;
 536                 /* After writing this register, HW needs time for CRB */
 537                 /* to quiet down (else crb_window returns 0xffffffff) */
 538                 if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
 539                         init_delay = 1000;
 540
 541                 QLCWR32(adapter, off, buf[i].data);
 542
 543                 msleep(init_delay);
 544         }
 545         kfree(buf);
 546
 547         /* Initialize protocol process engine */
 548         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
 549         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
 550         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
 551         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
 552         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
 553         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
 554         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
 555         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
 556         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
 557         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
 558         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
 559         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
 560         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
 561         msleep(1);
 562
 563         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
 564         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
 565
 566         return 0;
 567 }
 568
 569 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
 570 {
 571         u32 val;
 572         int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
 573
 574         do {
 575                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE);
 576
 577                 switch (val) {
 578                 case PHAN_INITIALIZE_COMPLETE:
 579                 case PHAN_INITIALIZE_ACK:
 580                         return 0;
 581                 case PHAN_INITIALIZE_FAILED:
 582                         goto out_err;
 583                 default:
 584                         break;
 585                 }
 586
 587                 msleep(QLCNIC_CMDPEG_CHECK_DELAY);
 588
 589         } while (--retries);
 590
 591         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE,
 592                             PHAN_INITIALIZE_FAILED);
 593
 594 out_err:
 595         dev_err(&adapter->pdev->dev, "Command Peg initialization not "
 596                       "complete, state: 0x%x.\n", val);
 597         return -EIO;
 598 }
 599
 600 static int
 601 qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
 602 {
 603         u32 val;
 604         int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
 605
 606         do {
 607                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE);
 608
 609                 if (val == PHAN_PEG_RCV_INITIALIZED)
 610                         return 0;
 611
 612                 msleep(QLCNIC_RCVPEG_CHECK_DELAY);
 613
 614         } while (--retries);
 615
 616         if (!retries) {
 617                 dev_err(&adapter->pdev->dev, "Receive Peg initialization not "
 618                               "complete, state: 0x%x.\n", val);
 619                 return -EIO;
 620         }
 621
 622         return 0;
 623 }
 624
 625 int
 626 qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
 627 {
 628         int err;
 629
 630         err = qlcnic_cmd_peg_ready(adapter);
 631         if (err)
 632                 return err;
 633
 634         err = qlcnic_receive_peg_ready(adapter);
 635         if (err)
 636                 return err;
 637
 638         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 639
 640         return err;
 641 }
 642
 643 int
 644 qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
 645
 646         int timeo;
 647         u32 val;
 648
 649         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
 650         val = QLC_DEV_GET_DRV(val, adapter->portnum);
 651         if ((val & 0x3) != QLCNIC_TYPE_NIC) {
 652                 dev_err(&adapter->pdev->dev,
 653                         "Not an Ethernet NIC func=%u\n", val);
 654                 return -EIO;
 655         }
 656         adapter->ahw->physical_port = (val >> 2);
 657         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
 658                 timeo = QLCNIC_INIT_TIMEOUT_SECS;
 659
 660         adapter->dev_init_timeo = timeo;
 661
 662         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
 663                 timeo = QLCNIC_RESET_TIMEOUT_SECS;
 664
 665         adapter->reset_ack_timeo = timeo;
 666
 667         return 0;
 668 }
 669
 670 static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
 671                                 struct qlcnic_flt_entry *region_entry)
 672 {
 673         struct qlcnic_flt_header flt_hdr;
 674         struct qlcnic_flt_entry *flt_entry;
 675         int i = 0, ret;
 676         u32 entry_size;
 677
 678         memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
 679         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
 680                                          (u8 *)&flt_hdr,
 681                                          sizeof(struct qlcnic_flt_header));
 682         if (ret) {
 683                 dev_warn(&adapter->pdev->dev,
 684                          "error reading flash layout header\n");
 685                 return -EIO;
 686         }
 687
 688         entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
 689         flt_entry = vzalloc(entry_size);
 690         if (flt_entry == NULL) {
 691                 dev_warn(&adapter->pdev->dev, "error allocating memory\n");
 692                 return -EIO;
 693         }
 694
 695         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
 696                                          sizeof(struct qlcnic_flt_header),
 697                                          (u8 *)flt_entry, entry_size);
 698         if (ret) {
 699                 dev_warn(&adapter->pdev->dev,
 700                          "error reading flash layout entries\n");
 701                 goto err_out;
 702         }
 703
 704         while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
 705                 if (flt_entry[i].region == region)
 706                         break;
 707                 i++;
 708         }
 709         if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
 710                 dev_warn(&adapter->pdev->dev,
 711                          "region=%x not found in %d regions\n", region, i);
 712                 ret = -EIO;
 713                 goto err_out;
 714         }
 715         memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
 716
 717 err_out:
 718         vfree(flt_entry);
 719         return ret;
 720 }
 721
 722 int
 723 qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
 724 {
 725         struct qlcnic_flt_entry fw_entry;
 726         u32 ver = -1, min_ver;
 727         int ret;
 728
 729         if (adapter->ahw->revision_id == QLCNIC_P3P_C0)
 730                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION,
 731                                                  &fw_entry);
 732         else
 733                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION,
 734                                                  &fw_entry);
 735
 736         if (!ret)
 737                 /* 0-4:-signature,  4-8:-fw version */
 738                 qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
 739                                      (int *)&ver);
 740         else
 741                 qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
 742                                      (int *)&ver);
 743
 744         ver = QLCNIC_DECODE_VERSION(ver);
 745         min_ver = QLCNIC_MIN_FW_VERSION;
 746
 747         if (ver < min_ver) {
 748                 dev_err(&adapter->pdev->dev,
 749                         "firmware version %d.%d.%d unsupported."
 750                         "Min supported version %d.%d.%d\n",
 751                         _major(ver), _minor(ver), _build(ver),
 752                         _major(min_ver), _minor(min_ver), _build(min_ver));
 753                 return -EINVAL;
 754         }
 755
 756         return 0;
 757 }
 758
 759 static int
 760 qlcnic_has_mn(struct qlcnic_adapter *adapter)
 761 {
 762         u32 capability;
 763         capability = 0;
 764
 765         capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY);
 766         if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
 767                 return 1;
 768
 769         return 0;
 770 }
 771
 772 static
 773 struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
 774 {
 775         u32 i, entries;
 776         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 777         entries = le32_to_cpu(directory->num_entries);
 778
 779         for (i = 0; i < entries; i++) {
 780
 781                 u32 offs = le32_to_cpu(directory->findex) +
 782                            i * le32_to_cpu(directory->entry_size);
 783                 u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8));
 784
 785                 if (tab_type == section)
 786                         return (struct uni_table_desc *) &unirom[offs];
 787         }
 788
 789         return NULL;
 790 }
 791
 792 #define FILEHEADER_SIZE (14 * 4)
 793
 794 static int
 795 qlcnic_validate_header(struct qlcnic_adapter *adapter)
 796 {
 797         const u8 *unirom = adapter->fw->data;
 798         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 799         u32 entries, entry_size, tab_size, fw_file_size;
 800
 801         fw_file_size = adapter->fw->size;
 802
 803         if (fw_file_size < FILEHEADER_SIZE)
 804                 return -EINVAL;
 805
 806         entries = le32_to_cpu(directory->num_entries);
 807         entry_size = le32_to_cpu(directory->entry_size);
 808         tab_size = le32_to_cpu(directory->findex) + (entries * entry_size);
 809
 810         if (fw_file_size < tab_size)
 811                 return -EINVAL;
 812
 813         return 0;
 814 }
 815
 816 static int
 817 qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
 818 {
 819         struct uni_table_desc *tab_desc;
 820         struct uni_data_desc *descr;
 821         u32 offs, tab_size, data_size, idx;
 822         const u8 *unirom = adapter->fw->data;
 823         __le32 temp;
 824
 825         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 826                  QLCNIC_UNI_BOOTLD_IDX_OFF);
 827         idx = le32_to_cpu(temp);
 828         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
 829
 830         if (!tab_desc)
 831                 return -EINVAL;
 832
 833         tab_size = le32_to_cpu(tab_desc->findex) +
 834                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 835
 836         if (adapter->fw->size < tab_size)
 837                 return -EINVAL;
 838
 839         offs = le32_to_cpu(tab_desc->findex) +
 840                le32_to_cpu(tab_desc->entry_size) * idx;
 841         descr = (struct uni_data_desc *)&unirom[offs];
 842
 843         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 844
 845         if (adapter->fw->size < data_size)
 846                 return -EINVAL;
 847
 848         return 0;
 849 }
 850
 851 static int
 852 qlcnic_validate_fw(struct qlcnic_adapter *adapter)
 853 {
 854         struct uni_table_desc *tab_desc;
 855         struct uni_data_desc *descr;
 856         const u8 *unirom = adapter->fw->data;
 857         u32 offs, tab_size, data_size, idx;
 858         __le32 temp;
 859
 860         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 861                  QLCNIC_UNI_FIRMWARE_IDX_OFF);
 862         idx = le32_to_cpu(temp);
 863         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
 864
 865         if (!tab_desc)
 866                 return -EINVAL;
 867
 868         tab_size = le32_to_cpu(tab_desc->findex) +
 869                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 870
 871         if (adapter->fw->size < tab_size)
 872                 return -EINVAL;
 873
 874         offs = le32_to_cpu(tab_desc->findex) +
 875                le32_to_cpu(tab_desc->entry_size) * idx;
 876         descr = (struct uni_data_desc *)&unirom[offs];
 877         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 878
 879         if (adapter->fw->size < data_size)
 880                 return -EINVAL;
 881
 882         return 0;
 883 }
 884
 885 static int
 886 qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
 887 {
 888         struct uni_table_desc *ptab_descr;
 889         const u8 *unirom = adapter->fw->data;
 890         int mn_present = qlcnic_has_mn(adapter);
 891         u32 entries, entry_size, tab_size, i;
 892         __le32 temp;
 893
 894         ptab_descr = qlcnic_get_table_desc(unirom,
 895                                 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
 896         if (!ptab_descr)
 897                 return -EINVAL;
 898
 899         entries = le32_to_cpu(ptab_descr->num_entries);
 900         entry_size = le32_to_cpu(ptab_descr->entry_size);
 901         tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size);
 902
 903         if (adapter->fw->size < tab_size)
 904                 return -EINVAL;
 905
 906 nomn:
 907         for (i = 0; i < entries; i++) {
 908
 909                 u32 flags, file_chiprev, offs;
 910                 u8 chiprev = adapter->ahw->revision_id;
 911                 u32 flagbit;
 912
 913                 offs = le32_to_cpu(ptab_descr->findex) +
 914                        i * le32_to_cpu(ptab_descr->entry_size);
 915                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF);
 916                 flags = le32_to_cpu(temp);
 917                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF);
 918                 file_chiprev = le32_to_cpu(temp);
 919
 920                 flagbit = mn_present ? 1 : 2;
 921
 922                 if ((chiprev == file_chiprev) &&
 923                                         ((1ULL << flagbit) & flags)) {
 924                         adapter->file_prd_off = offs;
 925                         return 0;
 926                 }
 927         }
 928         if (mn_present) {
 929                 mn_present = 0;
 930                 goto nomn;
 931         }
 932         return -EINVAL;
 933 }
 934
 935 static int
 936 qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
 937 {
 938         if (qlcnic_validate_header(adapter)) {
 939                 dev_err(&adapter->pdev->dev,
 940                                 "unified image: header validation failed\n");
 941                 return -EINVAL;
 942         }
 943
 944         if (qlcnic_validate_product_offs(adapter)) {
 945                 dev_err(&adapter->pdev->dev,
 946                                 "unified image: product validation failed\n");
 947                 return -EINVAL;
 948         }
 949
 950         if (qlcnic_validate_bootld(adapter)) {
 951                 dev_err(&adapter->pdev->dev,
 952                                 "unified image: bootld validation failed\n");
 953                 return -EINVAL;
 954         }
 955
 956         if (qlcnic_validate_fw(adapter)) {
 957                 dev_err(&adapter->pdev->dev,
 958                                 "unified image: firmware validation failed\n");
 959                 return -EINVAL;
 960         }
 961
 962         return 0;
 963 }
 964
 965 static
 966 struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
 967                         u32 section, u32 idx_offset)
 968 {
 969         const u8 *unirom = adapter->fw->data;
 970         struct uni_table_desc *tab_desc;
 971         u32 offs, idx;
 972         __le32 temp;
 973
 974         temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset);
 975         idx = le32_to_cpu(temp);
 976
 977         tab_desc = qlcnic_get_table_desc(unirom, section);
 978
 979         if (tab_desc == NULL)
 980                 return NULL;
 981
 982         offs = le32_to_cpu(tab_desc->findex) +
 983                le32_to_cpu(tab_desc->entry_size) * idx;
 984
 985         return (struct uni_data_desc *)&unirom[offs];
 986 }
 987
 988 static u8 *
 989 qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
 990 {
 991         u32 offs = QLCNIC_BOOTLD_START;
 992         struct uni_data_desc *data_desc;
 993
 994         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD,
 995                                          QLCNIC_UNI_BOOTLD_IDX_OFF);
 996
 997         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
 998                 offs = le32_to_cpu(data_desc->findex);
 999
1000         return (u8 *)&adapter->fw->data[offs];
1001 }
1002
1003 static u8 *
1004 qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
1005 {
1006         u32 offs = QLCNIC_IMAGE_START;
1007         struct uni_data_desc *data_desc;
1008
1009         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1010                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
1011         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
1012                 offs = le32_to_cpu(data_desc->findex);
1013
1014         return (u8 *)&adapter->fw->data[offs];
1015 }
1016
1017 static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
1018 {
1019         struct uni_data_desc *data_desc;
1020         const u8 *unirom = adapter->fw->data;
1021
1022         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1023                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
1024
1025         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
1026                 return le32_to_cpu(data_desc->size);
1027         else
1028                 return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]);
1029 }
1030
1031 static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
1032 {
1033         struct uni_data_desc *fw_data_desc;
1034         const struct firmware *fw = adapter->fw;
1035         u32 major, minor, sub;
1036         __le32 version_offset;
1037         const u8 *ver_str;
1038         int i, ret;
1039
1040         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1041                 version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET];
1042                 return le32_to_cpu(version_offset);
1043         }
1044
1045         fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1046                         QLCNIC_UNI_FIRMWARE_IDX_OFF);
1047         ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) +
1048                   le32_to_cpu(fw_data_desc->size) - 17;
1049
1050         for (i = 0; i < 12; i++) {
1051                 if (!strncmp(&ver_str[i], "REV=", 4)) {
1052                         ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
1053                                         &major, &minor, &sub);
1054                         if (ret != 3)
1055                                 return 0;
1056                         else
1057                                 return major + (minor << 8) + (sub << 16);
1058                 }
1059         }
1060
1061         return 0;
1062 }
1063
1064 static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
1065 {
1066         const struct firmware *fw = adapter->fw;
1067         u32 bios_ver, prd_off = adapter->file_prd_off;
1068         u8 *version_offset;
1069         __le32 temp;
1070
1071         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1072                 version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET];
1073                 return le32_to_cpu(*(__le32 *)version_offset);
1074         }
1075
1076         temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF);
1077         bios_ver = le32_to_cpu(temp);
1078
1079         return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
1080 }
1081
1082 static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
1083 {
1084         if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
1085                 dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
1086
1087         qlcnic_pcie_sem_unlock(adapter, 2);
1088 }
1089
1090 static int
1091 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
1092 {
1093         u32 heartbeat, ret = -EIO;
1094         int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
1095
1096         adapter->heartbeat = QLC_SHARED_REG_RD32(adapter,
1097                                                  QLCNIC_PEG_ALIVE_COUNTER);
1098
1099         do {
1100                 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
1101                 heartbeat = QLC_SHARED_REG_RD32(adapter,
1102                                                 QLCNIC_PEG_ALIVE_COUNTER);
1103                 if (heartbeat != adapter->heartbeat) {
1104                         ret = QLCNIC_RCODE_SUCCESS;
1105                         break;
1106                 }
1107         } while (--retries);
1108
1109         return ret;
1110 }
1111
1112 int
1113 qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
1114 {
1115         if ((adapter->flags & QLCNIC_FW_HANG) ||
1116                         qlcnic_check_fw_hearbeat(adapter)) {
1117                 qlcnic_rom_lock_recovery(adapter);
1118                 return 1;
1119         }
1120
1121         if (adapter->need_fw_reset)
1122                 return 1;
1123
1124         if (adapter->fw)
1125                 return 1;
1126
1127         return 0;
1128 }
1129
1130 static const char *fw_name[] = {
1131         QLCNIC_UNIFIED_ROMIMAGE_NAME,
1132         QLCNIC_FLASH_ROMIMAGE_NAME,
1133 };
1134
1135 int
1136 qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1137 {
1138         __le64 *ptr64;
1139         u32 i, flashaddr, size;
1140         const struct firmware *fw = adapter->fw;
1141         struct pci_dev *pdev = adapter->pdev;
1142
1143         dev_info(&pdev->dev, "loading firmware from %s\n",
1144                  fw_name[adapter->ahw->fw_type]);
1145
1146         if (fw) {
1147                 u64 data;
1148
1149                 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1150
1151                 ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter);
1152                 flashaddr = QLCNIC_BOOTLD_START;
1153
1154                 for (i = 0; i < size; i++) {
1155                         data = le64_to_cpu(ptr64[i]);
1156
1157                         if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1158                                 return -EIO;
1159
1160                         flashaddr += 8;
1161                 }
1162
1163                 size = qlcnic_get_fw_size(adapter) / 8;
1164
1165                 ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter);
1166                 flashaddr = QLCNIC_IMAGE_START;
1167
1168                 for (i = 0; i < size; i++) {
1169                         data = le64_to_cpu(ptr64[i]);
1170
1171                         if (qlcnic_pci_mem_write_2M(adapter,
1172                                                 flashaddr, data))
1173                                 return -EIO;
1174
1175                         flashaddr += 8;
1176                 }
1177
1178                 size = qlcnic_get_fw_size(adapter) % 8;
1179                 if (size) {
1180                         data = le64_to_cpu(ptr64[i]);
1181
1182                         if (qlcnic_pci_mem_write_2M(adapter,
1183                                                 flashaddr, data))
1184                                 return -EIO;
1185                 }
1186
1187         } else {
1188                 u64 data;
1189                 u32 hi, lo;
1190                 int ret;
1191                 struct qlcnic_flt_entry bootld_entry;
1192
1193                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
1194                                         &bootld_entry);
1195                 if (!ret) {
1196                         size = bootld_entry.size / 8;
1197                         flashaddr = bootld_entry.start_addr;
1198                 } else {
1199                         size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1200                         flashaddr = QLCNIC_BOOTLD_START;
1201                         dev_info(&pdev->dev,
1202                                 "using legacy method to get flash fw region");
1203                 }
1204
1205                 for (i = 0; i < size; i++) {
1206                         if (qlcnic_rom_fast_read(adapter,
1207                                         flashaddr, (int *)&lo) != 0)
1208                                 return -EIO;
1209                         if (qlcnic_rom_fast_read(adapter,
1210                                         flashaddr + 4, (int *)&hi) != 0)
1211                                 return -EIO;
1212
1213                         data = (((u64)hi << 32) | lo);
1214
1215                         if (qlcnic_pci_mem_write_2M(adapter,
1216                                                 flashaddr, data))
1217                                 return -EIO;
1218
1219                         flashaddr += 8;
1220                 }
1221         }
1222         msleep(1);
1223
1224         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1225         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1226         return 0;
1227 }
1228
1229 static int
1230 qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1231 {
1232         u32 val;
1233         u32 ver, bios, min_size;
1234         struct pci_dev *pdev = adapter->pdev;
1235         const struct firmware *fw = adapter->fw;
1236         u8 fw_type = adapter->ahw->fw_type;
1237
1238         if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1239                 if (qlcnic_validate_unified_romimage(adapter))
1240                         return -EINVAL;
1241
1242                 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1243         } else {
1244                 val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1245                 if (val != QLCNIC_BDINFO_MAGIC)
1246                         return -EINVAL;
1247
1248                 min_size = QLCNIC_FW_MIN_SIZE;
1249         }
1250
1251         if (fw->size < min_size)
1252                 return -EINVAL;
1253
1254         val = qlcnic_get_fw_version(adapter);
1255         ver = QLCNIC_DECODE_VERSION(val);
1256
1257         if (ver < QLCNIC_MIN_FW_VERSION) {
1258                 dev_err(&pdev->dev,
1259                                 "%s: firmware version %d.%d.%d unsupported\n",
1260                 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1261                 return -EINVAL;
1262         }
1263
1264         val = qlcnic_get_bios_version(adapter);
1265         qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1266         if (val != bios) {
1267                 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1268                                 fw_name[fw_type]);
1269                 return -EINVAL;
1270         }
1271
1272         QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC);
1273         return 0;
1274 }
1275
1276 static void
1277 qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1278 {
1279         u8 fw_type;
1280
1281         switch (adapter->ahw->fw_type) {
1282         case QLCNIC_UNKNOWN_ROMIMAGE:
1283                 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1284                 break;
1285
1286         case QLCNIC_UNIFIED_ROMIMAGE:
1287         default:
1288                 fw_type = QLCNIC_FLASH_ROMIMAGE;
1289                 break;
1290         }
1291
1292         adapter->ahw->fw_type = fw_type;
1293 }
1294
1295
1296
1297 void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1298 {
1299         struct pci_dev *pdev = adapter->pdev;
1300         int rc;
1301
1302         adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1303
1304 next:
1305         qlcnic_get_next_fwtype(adapter);
1306
1307         if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1308                 adapter->fw = NULL;
1309         } else {
1310                 rc = request_firmware(&adapter->fw,
1311                                       fw_name[adapter->ahw->fw_type],
1312                                       &pdev->dev);
1313                 if (rc != 0)
1314                         goto next;
1315
1316                 rc = qlcnic_validate_firmware(adapter);
1317                 if (rc != 0) {
1318                         release_firmware(adapter->fw);
1319                         msleep(1);
1320                         goto next;
1321                 }
1322         }
1323 }
1324
1325
1326 void
1327 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1328 {
1329         release_firmware(adapter->fw);
1330         adapter->fw = NULL;
1331 }