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         /* big hammer don't reset CAM block on reset */
 444         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
 445
 446         /* Init HW CRB block */
 447         if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
 448                         qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
 449                 dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
 450                 return -EIO;
 451         }
 452         offset = n & 0xffffU;
 453         n = (n >> 16) & 0xffffU;
 454
 455         if (n >= 1024) {
 456                 dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
 457                 return -EIO;
 458         }
 459
 460         buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
 461         if (buf == NULL)
 462                 return -ENOMEM;
 463
 464         for (i = 0; i < n; i++) {
 465                 if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
 466                 qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
 467                         kfree(buf);
 468                         return -EIO;
 469                 }
 470
 471                 buf[i].addr = addr;
 472                 buf[i].data = val;
 473         }
 474
 475         for (i = 0; i < n; i++) {
 476
 477                 off = qlcnic_decode_crb_addr(buf[i].addr);
 478                 if (off == QLCNIC_ADDR_ERROR) {
 479                         dev_err(&pdev->dev, "CRB init value out of range %x\n",
 480                                         buf[i].addr);
 481                         continue;
 482                 }
 483                 off += QLCNIC_PCI_CRBSPACE;
 484
 485                 if (off & 1)
 486                         continue;
 487
 488                 /* skipping cold reboot MAGIC */
 489                 if (off == QLCNIC_CAM_RAM(0x1fc))
 490                         continue;
 491                 if (off == (QLCNIC_CRB_I2C0 + 0x1c))
 492                         continue;
 493                 if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */
 494                         continue;
 495                 if (off == (ROMUSB_GLB + 0xa8))
 496                         continue;
 497                 if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
 498                         continue;
 499                 if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
 500                         continue;
 501                 if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
 502                         continue;
 503                 if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
 504                         continue;
 505                 /* skip the function enable register */
 506                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
 507                         continue;
 508                 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
 509                         continue;
 510                 if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
 511                         continue;
 512
 513                 init_delay = 1;
 514                 /* After writing this register, HW needs time for CRB */
 515                 /* to quiet down (else crb_window returns 0xffffffff) */
 516                 if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
 517                         init_delay = 1000;
 518
 519                 QLCWR32(adapter, off, buf[i].data);
 520
 521                 msleep(init_delay);
 522         }
 523         kfree(buf);
 524
 525         /* Initialize protocol process engine */
 526         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
 527         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
 528         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
 529         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
 530         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
 531         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
 532         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
 533         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
 534         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
 535         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
 536         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
 537         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
 538         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
 539         usleep_range(1000, 1500);
 540
 541         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
 542         QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
 543
 544         return 0;
 545 }
 546
 547 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
 548 {
 549         u32 val;
 550         int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
 551
 552         do {
 553                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE);
 554
 555                 switch (val) {
 556                 case PHAN_INITIALIZE_COMPLETE:
 557                 case PHAN_INITIALIZE_ACK:
 558                         return 0;
 559                 case PHAN_INITIALIZE_FAILED:
 560                         goto out_err;
 561                 default:
 562                         break;
 563                 }
 564
 565                 msleep(QLCNIC_CMDPEG_CHECK_DELAY);
 566
 567         } while (--retries);
 568
 569         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE,
 570                             PHAN_INITIALIZE_FAILED);
 571
 572 out_err:
 573         dev_err(&adapter->pdev->dev, "Command Peg initialization not "
 574                       "complete, state: 0x%x.\n", val);
 575         return -EIO;
 576 }
 577
 578 static int
 579 qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
 580 {
 581         u32 val;
 582         int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
 583
 584         do {
 585                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE);
 586
 587                 if (val == PHAN_PEG_RCV_INITIALIZED)
 588                         return 0;
 589
 590                 msleep(QLCNIC_RCVPEG_CHECK_DELAY);
 591
 592         } while (--retries);
 593
 594         dev_err(&adapter->pdev->dev, "Receive Peg initialization not complete, state: 0x%x.\n",
 595                 val);
 596         return -EIO;
 597 }
 598
 599 int
 600 qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
 601 {
 602         int err;
 603
 604         err = qlcnic_cmd_peg_ready(adapter);
 605         if (err)
 606                 return err;
 607
 608         err = qlcnic_receive_peg_ready(adapter);
 609         if (err)
 610                 return err;
 611
 612         QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 613
 614         return err;
 615 }
 616
 617 int
 618 qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
 619
 620         int timeo;
 621         u32 val;
 622
 623         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
 624         val = QLC_DEV_GET_DRV(val, adapter->portnum);
 625         if ((val & 0x3) != QLCNIC_TYPE_NIC) {
 626                 dev_err(&adapter->pdev->dev,
 627                         "Not an Ethernet NIC func=%u\n", val);
 628                 return -EIO;
 629         }
 630         adapter->ahw->physical_port = (val >> 2);
 631         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
 632                 timeo = QLCNIC_INIT_TIMEOUT_SECS;
 633
 634         adapter->dev_init_timeo = timeo;
 635
 636         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
 637                 timeo = QLCNIC_RESET_TIMEOUT_SECS;
 638
 639         adapter->reset_ack_timeo = timeo;
 640
 641         return 0;
 642 }
 643
 644 static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
 645                                 struct qlcnic_flt_entry *region_entry)
 646 {
 647         struct qlcnic_flt_header flt_hdr;
 648         struct qlcnic_flt_entry *flt_entry;
 649         int i = 0, ret;
 650         u32 entry_size;
 651
 652         memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
 653         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
 654                                          (u8 *)&flt_hdr,
 655                                          sizeof(struct qlcnic_flt_header));
 656         if (ret) {
 657                 dev_warn(&adapter->pdev->dev,
 658                          "error reading flash layout header\n");
 659                 return -EIO;
 660         }
 661
 662         entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
 663         flt_entry = vzalloc(entry_size);
 664         if (flt_entry == NULL)
 665                 return -EIO;
 666
 667         ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
 668                                          sizeof(struct qlcnic_flt_header),
 669                                          (u8 *)flt_entry, entry_size);
 670         if (ret) {
 671                 dev_warn(&adapter->pdev->dev,
 672                          "error reading flash layout entries\n");
 673                 goto err_out;
 674         }
 675
 676         while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
 677                 if (flt_entry[i].region == region)
 678                         break;
 679                 i++;
 680         }
 681         if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
 682                 dev_warn(&adapter->pdev->dev,
 683                          "region=%x not found in %d regions\n", region, i);
 684                 ret = -EIO;
 685                 goto err_out;
 686         }
 687         memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
 688
 689 err_out:
 690         vfree(flt_entry);
 691         return ret;
 692 }
 693
 694 int
 695 qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
 696 {
 697         struct qlcnic_flt_entry fw_entry;
 698         u32 ver = -1, min_ver;
 699         int ret;
 700
 701         if (adapter->ahw->revision_id == QLCNIC_P3P_C0)
 702                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION,
 703                                                  &fw_entry);
 704         else
 705                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION,
 706                                                  &fw_entry);
 707
 708         if (!ret)
 709                 /* 0-4:-signature,  4-8:-fw version */
 710                 qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
 711                                      (int *)&ver);
 712         else
 713                 qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
 714                                      (int *)&ver);
 715
 716         ver = QLCNIC_DECODE_VERSION(ver);
 717         min_ver = QLCNIC_MIN_FW_VERSION;
 718
 719         if (ver < min_ver) {
 720                 dev_err(&adapter->pdev->dev,
 721                         "firmware version %d.%d.%d unsupported."
 722                         "Min supported version %d.%d.%d\n",
 723                         _major(ver), _minor(ver), _build(ver),
 724                         _major(min_ver), _minor(min_ver), _build(min_ver));
 725                 return -EINVAL;
 726         }
 727
 728         return 0;
 729 }
 730
 731 static int
 732 qlcnic_has_mn(struct qlcnic_adapter *adapter)
 733 {
 734         u32 capability = 0;
 735         int err = 0;
 736
 737         capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err);
 738         if (err == -EIO)
 739                 return err;
 740         if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
 741                 return 1;
 742
 743         return 0;
 744 }
 745
 746 static
 747 struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
 748 {
 749         u32 i, entries;
 750         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 751         entries = le32_to_cpu(directory->num_entries);
 752
 753         for (i = 0; i < entries; i++) {
 754
 755                 u32 offs = le32_to_cpu(directory->findex) +
 756                            i * le32_to_cpu(directory->entry_size);
 757                 u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8));
 758
 759                 if (tab_type == section)
 760                         return (struct uni_table_desc *) &unirom[offs];
 761         }
 762
 763         return NULL;
 764 }
 765
 766 #define FILEHEADER_SIZE (14 * 4)
 767
 768 static int
 769 qlcnic_validate_header(struct qlcnic_adapter *adapter)
 770 {
 771         const u8 *unirom = adapter->fw->data;
 772         struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
 773         u32 entries, entry_size, tab_size, fw_file_size;
 774
 775         fw_file_size = adapter->fw->size;
 776
 777         if (fw_file_size < FILEHEADER_SIZE)
 778                 return -EINVAL;
 779
 780         entries = le32_to_cpu(directory->num_entries);
 781         entry_size = le32_to_cpu(directory->entry_size);
 782         tab_size = le32_to_cpu(directory->findex) + (entries * entry_size);
 783
 784         if (fw_file_size < tab_size)
 785                 return -EINVAL;
 786
 787         return 0;
 788 }
 789
 790 static int
 791 qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
 792 {
 793         struct uni_table_desc *tab_desc;
 794         struct uni_data_desc *descr;
 795         u32 offs, tab_size, data_size, idx;
 796         const u8 *unirom = adapter->fw->data;
 797         __le32 temp;
 798
 799         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 800                  QLCNIC_UNI_BOOTLD_IDX_OFF);
 801         idx = le32_to_cpu(temp);
 802         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
 803
 804         if (!tab_desc)
 805                 return -EINVAL;
 806
 807         tab_size = le32_to_cpu(tab_desc->findex) +
 808                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 809
 810         if (adapter->fw->size < tab_size)
 811                 return -EINVAL;
 812
 813         offs = le32_to_cpu(tab_desc->findex) +
 814                le32_to_cpu(tab_desc->entry_size) * idx;
 815         descr = (struct uni_data_desc *)&unirom[offs];
 816
 817         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 818
 819         if (adapter->fw->size < data_size)
 820                 return -EINVAL;
 821
 822         return 0;
 823 }
 824
 825 static int
 826 qlcnic_validate_fw(struct qlcnic_adapter *adapter)
 827 {
 828         struct uni_table_desc *tab_desc;
 829         struct uni_data_desc *descr;
 830         const u8 *unirom = adapter->fw->data;
 831         u32 offs, tab_size, data_size, idx;
 832         __le32 temp;
 833
 834         temp = *((__le32 *)&unirom[adapter->file_prd_off] +
 835                  QLCNIC_UNI_FIRMWARE_IDX_OFF);
 836         idx = le32_to_cpu(temp);
 837         tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
 838
 839         if (!tab_desc)
 840                 return -EINVAL;
 841
 842         tab_size = le32_to_cpu(tab_desc->findex) +
 843                    le32_to_cpu(tab_desc->entry_size) * (idx + 1);
 844
 845         if (adapter->fw->size < tab_size)
 846                 return -EINVAL;
 847
 848         offs = le32_to_cpu(tab_desc->findex) +
 849                le32_to_cpu(tab_desc->entry_size) * idx;
 850         descr = (struct uni_data_desc *)&unirom[offs];
 851         data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
 852
 853         if (adapter->fw->size < data_size)
 854                 return -EINVAL;
 855
 856         return 0;
 857 }
 858
 859 static int
 860 qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
 861 {
 862         struct uni_table_desc *ptab_descr;
 863         const u8 *unirom = adapter->fw->data;
 864         int mn_present = qlcnic_has_mn(adapter);
 865         u32 entries, entry_size, tab_size, i;
 866         __le32 temp;
 867
 868         ptab_descr = qlcnic_get_table_desc(unirom,
 869                                 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
 870         if (!ptab_descr)
 871                 return -EINVAL;
 872
 873         entries = le32_to_cpu(ptab_descr->num_entries);
 874         entry_size = le32_to_cpu(ptab_descr->entry_size);
 875         tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size);
 876
 877         if (adapter->fw->size < tab_size)
 878                 return -EINVAL;
 879
 880 nomn:
 881         for (i = 0; i < entries; i++) {
 882
 883                 u32 flags, file_chiprev, offs;
 884                 u8 chiprev = adapter->ahw->revision_id;
 885                 u32 flagbit;
 886
 887                 offs = le32_to_cpu(ptab_descr->findex) +
 888                        i * le32_to_cpu(ptab_descr->entry_size);
 889                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF);
 890                 flags = le32_to_cpu(temp);
 891                 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF);
 892                 file_chiprev = le32_to_cpu(temp);
 893
 894                 flagbit = mn_present ? 1 : 2;
 895
 896                 if ((chiprev == file_chiprev) &&
 897                                         ((1ULL << flagbit) & flags)) {
 898                         adapter->file_prd_off = offs;
 899                         return 0;
 900                 }
 901         }
 902         if (mn_present) {
 903                 mn_present = 0;
 904                 goto nomn;
 905         }
 906         return -EINVAL;
 907 }
 908
 909 static int
 910 qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
 911 {
 912         if (qlcnic_validate_header(adapter)) {
 913                 dev_err(&adapter->pdev->dev,
 914                                 "unified image: header validation failed\n");
 915                 return -EINVAL;
 916         }
 917
 918         if (qlcnic_validate_product_offs(adapter)) {
 919                 dev_err(&adapter->pdev->dev,
 920                                 "unified image: product validation failed\n");
 921                 return -EINVAL;
 922         }
 923
 924         if (qlcnic_validate_bootld(adapter)) {
 925                 dev_err(&adapter->pdev->dev,
 926                                 "unified image: bootld validation failed\n");
 927                 return -EINVAL;
 928         }
 929
 930         if (qlcnic_validate_fw(adapter)) {
 931                 dev_err(&adapter->pdev->dev,
 932                                 "unified image: firmware validation failed\n");
 933                 return -EINVAL;
 934         }
 935
 936         return 0;
 937 }
 938
 939 static
 940 struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
 941                         u32 section, u32 idx_offset)
 942 {
 943         const u8 *unirom = adapter->fw->data;
 944         struct uni_table_desc *tab_desc;
 945         u32 offs, idx;
 946         __le32 temp;
 947
 948         temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset);
 949         idx = le32_to_cpu(temp);
 950
 951         tab_desc = qlcnic_get_table_desc(unirom, section);
 952
 953         if (tab_desc == NULL)
 954                 return NULL;
 955
 956         offs = le32_to_cpu(tab_desc->findex) +
 957                le32_to_cpu(tab_desc->entry_size) * idx;
 958
 959         return (struct uni_data_desc *)&unirom[offs];
 960 }
 961
 962 static u8 *
 963 qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
 964 {
 965         u32 offs = QLCNIC_BOOTLD_START;
 966         struct uni_data_desc *data_desc;
 967
 968         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD,
 969                                          QLCNIC_UNI_BOOTLD_IDX_OFF);
 970
 971         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
 972                 offs = le32_to_cpu(data_desc->findex);
 973
 974         return (u8 *)&adapter->fw->data[offs];
 975 }
 976
 977 static u8 *
 978 qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
 979 {
 980         u32 offs = QLCNIC_IMAGE_START;
 981         struct uni_data_desc *data_desc;
 982
 983         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
 984                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
 985         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
 986                 offs = le32_to_cpu(data_desc->findex);
 987
 988         return (u8 *)&adapter->fw->data[offs];
 989 }
 990
 991 static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
 992 {
 993         struct uni_data_desc *data_desc;
 994         const u8 *unirom = adapter->fw->data;
 995
 996         data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
 997                                          QLCNIC_UNI_FIRMWARE_IDX_OFF);
 998
 999         if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
1000                 return le32_to_cpu(data_desc->size);
1001         else
1002                 return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]);
1003 }
1004
1005 static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
1006 {
1007         struct uni_data_desc *fw_data_desc;
1008         const struct firmware *fw = adapter->fw;
1009         u32 major, minor, sub;
1010         __le32 version_offset;
1011         const u8 *ver_str;
1012         int i, ret;
1013
1014         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1015                 version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET];
1016                 return le32_to_cpu(version_offset);
1017         }
1018
1019         fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1020                         QLCNIC_UNI_FIRMWARE_IDX_OFF);
1021         ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) +
1022                   le32_to_cpu(fw_data_desc->size) - 17;
1023
1024         for (i = 0; i < 12; i++) {
1025                 if (!strncmp(&ver_str[i], "REV=", 4)) {
1026                         ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
1027                                         &major, &minor, &sub);
1028                         if (ret != 3)
1029                                 return 0;
1030                         else
1031                                 return major + (minor << 8) + (sub << 16);
1032                 }
1033         }
1034
1035         return 0;
1036 }
1037
1038 static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
1039 {
1040         const struct firmware *fw = adapter->fw;
1041         u32 bios_ver, prd_off = adapter->file_prd_off;
1042         u8 *version_offset;
1043         __le32 temp;
1044
1045         if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1046                 version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET];
1047                 return le32_to_cpu(*(__le32 *)version_offset);
1048         }
1049
1050         temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF);
1051         bios_ver = le32_to_cpu(temp);
1052
1053         return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
1054 }
1055
1056 static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
1057 {
1058         if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
1059                 dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
1060
1061         qlcnic_pcie_sem_unlock(adapter, 2);
1062 }
1063
1064 static int
1065 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
1066 {
1067         u32 heartbeat, ret = -EIO;
1068         int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
1069
1070         adapter->heartbeat = QLC_SHARED_REG_RD32(adapter,
1071                                                  QLCNIC_PEG_ALIVE_COUNTER);
1072
1073         do {
1074                 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
1075                 heartbeat = QLC_SHARED_REG_RD32(adapter,
1076                                                 QLCNIC_PEG_ALIVE_COUNTER);
1077                 if (heartbeat != adapter->heartbeat) {
1078                         ret = QLCNIC_RCODE_SUCCESS;
1079                         break;
1080                 }
1081         } while (--retries);
1082
1083         return ret;
1084 }
1085
1086 int
1087 qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
1088 {
1089         if ((adapter->flags & QLCNIC_FW_HANG) ||
1090                         qlcnic_check_fw_hearbeat(adapter)) {
1091                 qlcnic_rom_lock_recovery(adapter);
1092                 return 1;
1093         }
1094
1095         if (adapter->need_fw_reset)
1096                 return 1;
1097
1098         if (adapter->fw)
1099                 return 1;
1100
1101         return 0;
1102 }
1103
1104 static const char *fw_name[] = {
1105         QLCNIC_UNIFIED_ROMIMAGE_NAME,
1106         QLCNIC_FLASH_ROMIMAGE_NAME,
1107 };
1108
1109 int
1110 qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1111 {
1112         __le64 *ptr64;
1113         u32 i, flashaddr, size;
1114         const struct firmware *fw = adapter->fw;
1115         struct pci_dev *pdev = adapter->pdev;
1116
1117         dev_info(&pdev->dev, "loading firmware from %s\n",
1118                  fw_name[adapter->ahw->fw_type]);
1119
1120         if (fw) {
1121                 u64 data;
1122
1123                 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1124
1125                 ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter);
1126                 flashaddr = QLCNIC_BOOTLD_START;
1127
1128                 for (i = 0; i < size; i++) {
1129                         data = le64_to_cpu(ptr64[i]);
1130
1131                         if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1132                                 return -EIO;
1133
1134                         flashaddr += 8;
1135                 }
1136
1137                 size = qlcnic_get_fw_size(adapter) / 8;
1138
1139                 ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter);
1140                 flashaddr = QLCNIC_IMAGE_START;
1141
1142                 for (i = 0; i < size; i++) {
1143                         data = le64_to_cpu(ptr64[i]);
1144
1145                         if (qlcnic_pci_mem_write_2M(adapter,
1146                                                 flashaddr, data))
1147                                 return -EIO;
1148
1149                         flashaddr += 8;
1150                 }
1151
1152                 size = qlcnic_get_fw_size(adapter) % 8;
1153                 if (size) {
1154                         data = le64_to_cpu(ptr64[i]);
1155
1156                         if (qlcnic_pci_mem_write_2M(adapter,
1157                                                 flashaddr, data))
1158                                 return -EIO;
1159                 }
1160
1161         } else {
1162                 u64 data;
1163                 u32 hi, lo;
1164                 int ret;
1165                 struct qlcnic_flt_entry bootld_entry;
1166
1167                 ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
1168                                         &bootld_entry);
1169                 if (!ret) {
1170                         size = bootld_entry.size / 8;
1171                         flashaddr = bootld_entry.start_addr;
1172                 } else {
1173                         size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1174                         flashaddr = QLCNIC_BOOTLD_START;
1175                         dev_info(&pdev->dev,
1176                                 "using legacy method to get flash fw region");
1177                 }
1178
1179                 for (i = 0; i < size; i++) {
1180                         if (qlcnic_rom_fast_read(adapter,
1181                                         flashaddr, (int *)&lo) != 0)
1182                                 return -EIO;
1183                         if (qlcnic_rom_fast_read(adapter,
1184                                         flashaddr + 4, (int *)&hi) != 0)
1185                                 return -EIO;
1186
1187                         data = (((u64)hi << 32) | lo);
1188
1189                         if (qlcnic_pci_mem_write_2M(adapter,
1190                                                 flashaddr, data))
1191                                 return -EIO;
1192
1193                         flashaddr += 8;
1194                 }
1195         }
1196         usleep_range(1000, 1500);
1197
1198         QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1199         QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1200         return 0;
1201 }
1202
1203 static int
1204 qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1205 {
1206         u32 val;
1207         u32 ver, bios, min_size;
1208         struct pci_dev *pdev = adapter->pdev;
1209         const struct firmware *fw = adapter->fw;
1210         u8 fw_type = adapter->ahw->fw_type;
1211
1212         if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1213                 if (qlcnic_validate_unified_romimage(adapter))
1214                         return -EINVAL;
1215
1216                 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1217         } else {
1218                 val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1219                 if (val != QLCNIC_BDINFO_MAGIC)
1220                         return -EINVAL;
1221
1222                 min_size = QLCNIC_FW_MIN_SIZE;
1223         }
1224
1225         if (fw->size < min_size)
1226                 return -EINVAL;
1227
1228         val = qlcnic_get_fw_version(adapter);
1229         ver = QLCNIC_DECODE_VERSION(val);
1230
1231         if (ver < QLCNIC_MIN_FW_VERSION) {
1232                 dev_err(&pdev->dev,
1233                                 "%s: firmware version %d.%d.%d unsupported\n",
1234                 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1235                 return -EINVAL;
1236         }
1237
1238         val = qlcnic_get_bios_version(adapter);
1239         qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1240         if (val != bios) {
1241                 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1242                                 fw_name[fw_type]);
1243                 return -EINVAL;
1244         }
1245
1246         QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC);
1247         return 0;
1248 }
1249
1250 static void
1251 qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1252 {
1253         u8 fw_type;
1254
1255         switch (adapter->ahw->fw_type) {
1256         case QLCNIC_UNKNOWN_ROMIMAGE:
1257                 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1258                 break;
1259
1260         case QLCNIC_UNIFIED_ROMIMAGE:
1261         default:
1262                 fw_type = QLCNIC_FLASH_ROMIMAGE;
1263                 break;
1264         }
1265
1266         adapter->ahw->fw_type = fw_type;
1267 }
1268
1269
1270
1271 void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1272 {
1273         struct pci_dev *pdev = adapter->pdev;
1274         int rc;
1275
1276         adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1277
1278 next:
1279         qlcnic_get_next_fwtype(adapter);
1280
1281         if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1282                 adapter->fw = NULL;
1283         } else {
1284                 rc = reject_firmware(&adapter->fw,
1285                                       fw_name[adapter->ahw->fw_type],
1286                                       &pdev->dev);
1287                 if (rc != 0)
1288                         goto next;
1289
1290                 rc = qlcnic_validate_firmware(adapter);
1291                 if (rc != 0) {
1292                         release_firmware(adapter->fw);
1293                         usleep_range(1000, 1500);
1294                         goto next;
1295                 }
1296         }
1297 }
1298
1299
1300 void
1301 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1302 {
1303         release_firmware(adapter->fw);
1304         adapter->fw = NULL;
1305 }