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