drivers/scsi/qla2xxx/qla_mr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include <linux/delay.h>
   9 #include <linux/ktime.h>
  10 #include <linux/pci.h>
  11 #include <linux/ratelimit.h>
  12 #include <linux/vmalloc.h>
  13 #include <scsi/scsi_tcq.h>
  14 #include <linux/utsname.h>
  15
  16
  17 /* QLAFX00 specific Mailbox implementation functions */
  18
  19 /*
  20  * qlafx00_mailbox_command
  21  *      Issue mailbox command and waits for completion.
  22  *
  23  * Input:
  24  *      ha = adapter block pointer.
  25  *      mcp = driver internal mbx struct pointer.
  26  *
  27  * Output:
  28  *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
  29  *
  30  * Returns:
  31  *      0 : QLA_SUCCESS = cmd performed success
  32  *      1 : QLA_FUNCTION_FAILED   (error encountered)
  33  *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
  34  *
  35  * Context:
  36  *      Kernel context.
  37  */
  38 static int
  39 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
  40
  41 {
  42         int             rval;
  43         unsigned long    flags = 0;
  44         device_reg_t *reg;
  45         uint8_t         abort_active;
  46         uint8_t         io_lock_on;
  47         uint16_t        command = 0;
  48         uint32_t        *iptr;
  49         uint32_t __iomem *optr;
  50         uint32_t        cnt;
  51         uint32_t        mboxes;
  52         unsigned long   wait_time;
  53         struct qla_hw_data *ha = vha->hw;
  54         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  55
  56         if (ha->pdev->error_state > pci_channel_io_frozen) {
  57                 ql_log(ql_log_warn, vha, 0x115c,
  58                     "error_state is greater than pci_channel_io_frozen, "
  59                     "exiting.\n");
  60                 return QLA_FUNCTION_TIMEOUT;
  61         }
  62
  63         if (vha->device_flags & DFLG_DEV_FAILED) {
  64                 ql_log(ql_log_warn, vha, 0x115f,
  65                     "Device in failed state, exiting.\n");
  66                 return QLA_FUNCTION_TIMEOUT;
  67         }
  68
  69         reg = ha->iobase;
  70         io_lock_on = base_vha->flags.init_done;
  71
  72         rval = QLA_SUCCESS;
  73         abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  74
  75         if (ha->flags.pci_channel_io_perm_failure) {
  76                 ql_log(ql_log_warn, vha, 0x1175,
  77                     "Perm failure on EEH timeout MBX, exiting.\n");
  78                 return QLA_FUNCTION_TIMEOUT;
  79         }
  80
  81         if (ha->flags.isp82xx_fw_hung) {
  82                 /* Setting Link-Down error */
  83                 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  84                 ql_log(ql_log_warn, vha, 0x1176,
  85                     "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  86                 rval = QLA_FUNCTION_FAILED;
  87                 goto premature_exit;
  88         }
  89
  90         /*
  91          * Wait for active mailbox commands to finish by waiting at most tov
  92          * seconds. This is to serialize actual issuing of mailbox cmds during
  93          * non ISP abort time.
  94          */
  95         if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  96                 /* Timeout occurred. Return error. */
  97                 ql_log(ql_log_warn, vha, 0x1177,
  98                     "Cmd access timeout, cmd=0x%x, Exiting.\n",
  99                     mcp->mb[0]);
 100                 return QLA_FUNCTION_TIMEOUT;
 101         }
 102
 103         ha->flags.mbox_busy = 1;
 104         /* Save mailbox command for debug */
 105         ha->mcp32 = mcp;
 106
 107         ql_dbg(ql_dbg_mbx, vha, 0x1178,
 108             "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
 109
 110         spin_lock_irqsave(&ha->hardware_lock, flags);
 111
 112         /* Load mailbox registers. */
 113         optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
 114
 115         iptr = mcp->mb;
 116         command = mcp->mb[0];
 117         mboxes = mcp->out_mb;
 118
 119         for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 120                 if (mboxes & BIT_0)
 121                         WRT_REG_DWORD(optr, *iptr);
 122
 123                 mboxes >>= 1;
 124                 optr++;
 125                 iptr++;
 126         }
 127
 128         /* Issue set host interrupt command to send cmd out. */
 129         ha->flags.mbox_int = 0;
 130         clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 131
 132         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
 133             (uint8_t *)mcp->mb, 16);
 134         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
 135             ((uint8_t *)mcp->mb + 0x10), 16);
 136         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
 137             ((uint8_t *)mcp->mb + 0x20), 8);
 138
 139         /* Unlock mbx registers and wait for interrupt */
 140         ql_dbg(ql_dbg_mbx, vha, 0x1179,
 141             "Going to unlock irq & waiting for interrupts. "
 142             "jiffies=%lx.\n", jiffies);
 143
 144         /* Wait for mbx cmd completion until timeout */
 145         if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 146                 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 147
 148                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 149                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 150
 151                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 152         } else {
 153                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
 154                     "Cmd=%x Polling Mode.\n", command);
 155
 156                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 157                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 158
 159                 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 160                 while (!ha->flags.mbox_int) {
 161                         if (time_after(jiffies, wait_time))
 162                                 break;
 163
 164                         /* Check for pending interrupts. */
 165                         qla2x00_poll(ha->rsp_q_map[0]);
 166
 167                         if (!ha->flags.mbox_int &&
 168                             !(IS_QLA2200(ha) &&
 169                             command == MBC_LOAD_RISC_RAM_EXTENDED))
 170                                 usleep_range(10000, 11000);
 171                 } /* while */
 172                 ql_dbg(ql_dbg_mbx, vha, 0x112d,
 173                     "Waited %d sec.\n",
 174                     (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
 175         }
 176
 177         /* Check whether we timed out */
 178         if (ha->flags.mbox_int) {
 179                 uint32_t *iptr2;
 180
 181                 ql_dbg(ql_dbg_mbx, vha, 0x112e,
 182                     "Cmd=%x completed.\n", command);
 183
 184                 /* Got interrupt. Clear the flag. */
 185                 ha->flags.mbox_int = 0;
 186                 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 187
 188                 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
 189                         rval = QLA_FUNCTION_FAILED;
 190
 191                 /* Load return mailbox registers. */
 192                 iptr2 = mcp->mb;
 193                 iptr = (uint32_t *)&ha->mailbox_out32[0];
 194                 mboxes = mcp->in_mb;
 195                 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 196                         if (mboxes & BIT_0)
 197                                 *iptr2 = *iptr;
 198
 199                         mboxes >>= 1;
 200                         iptr2++;
 201                         iptr++;
 202                 }
 203         } else {
 204
 205                 rval = QLA_FUNCTION_TIMEOUT;
 206         }
 207
 208         ha->flags.mbox_busy = 0;
 209
 210         /* Clean up */
 211         ha->mcp32 = NULL;
 212
 213         if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
 214                 ql_dbg(ql_dbg_mbx, vha, 0x113a,
 215                     "checking for additional resp interrupt.\n");
 216
 217                 /* polling mode for non isp_abort commands. */
 218                 qla2x00_poll(ha->rsp_q_map[0]);
 219         }
 220
 221         if (rval == QLA_FUNCTION_TIMEOUT &&
 222             mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
 223                 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
 224                     ha->flags.eeh_busy) {
 225                         /* not in dpc. schedule it for dpc to take over. */
 226                         ql_dbg(ql_dbg_mbx, vha, 0x115d,
 227                             "Timeout, schedule isp_abort_needed.\n");
 228
 229                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 230                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 231                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 232
 233                                 ql_log(ql_log_info, base_vha, 0x115e,
 234                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 235                                     "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
 236                                     "abort.\n", command, mcp->mb[0],
 237                                     ha->flags.eeh_busy);
 238                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 239                                 qla2xxx_wake_dpc(vha);
 240                         }
 241                 } else if (!abort_active) {
 242                         /* call abort directly since we are in the DPC thread */
 243                         ql_dbg(ql_dbg_mbx, vha, 0x1160,
 244                             "Timeout, calling abort_isp.\n");
 245
 246                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 247                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 248                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 249
 250                                 ql_log(ql_log_info, base_vha, 0x1161,
 251                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 252                                     "mb[0]=0x%x. Scheduling ISP abort ",
 253                                     command, mcp->mb[0]);
 254
 255                                 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 256                                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 257                                 if (ha->isp_ops->abort_isp(vha)) {
 258                                         /* Failed. retry later. */
 259                                         set_bit(ISP_ABORT_NEEDED,
 260                                             &vha->dpc_flags);
 261                                 }
 262                                 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 263                                 ql_dbg(ql_dbg_mbx, vha, 0x1162,
 264                                     "Finished abort_isp.\n");
 265                         }
 266                 }
 267         }
 268
 269 premature_exit:
 270         /* Allow next mbx cmd to come in. */
 271         complete(&ha->mbx_cmd_comp);
 272
 273         if (rval) {
 274                 ql_log(ql_log_warn, base_vha, 0x1163,
 275                     "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
 276                     "mb[3]=%x, cmd=%x ****.\n",
 277                     mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
 278         } else {
 279                 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
 280         }
 281
 282         return rval;
 283 }
 284
 285 /*
 286  * qlafx00_driver_shutdown
 287  *      Indicate a driver shutdown to firmware.
 288  *
 289  * Input:
 290  *      ha = adapter block pointer.
 291  *
 292  * Returns:
 293  *      local function return status code.
 294  *
 295  * Context:
 296  *      Kernel context.
 297  */
 298 int
 299 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
 300 {
 301         int rval;
 302         struct mbx_cmd_32 mc;
 303         struct mbx_cmd_32 *mcp = &mc;
 304
 305         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
 306             "Entered %s.\n", __func__);
 307
 308         mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
 309         mcp->out_mb = MBX_0;
 310         mcp->in_mb = MBX_0;
 311         if (tmo)
 312                 mcp->tov = tmo;
 313         else
 314                 mcp->tov = MBX_TOV_SECONDS;
 315         mcp->flags = 0;
 316         rval = qlafx00_mailbox_command(vha, mcp);
 317
 318         if (rval != QLA_SUCCESS) {
 319                 ql_dbg(ql_dbg_mbx, vha, 0x1167,
 320                     "Failed=%x.\n", rval);
 321         } else {
 322                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
 323                     "Done %s.\n", __func__);
 324         }
 325
 326         return rval;
 327 }
 328
 329 /*
 330  * qlafx00_get_firmware_state
 331  *      Get adapter firmware state.
 332  *
 333  * Input:
 334  *      ha = adapter block pointer.
 335  *      TARGET_QUEUE_LOCK must be released.
 336  *      ADAPTER_STATE_LOCK must be released.
 337  *
 338  * Returns:
 339  *      qla7xxx local function return status code.
 340  *
 341  * Context:
 342  *      Kernel context.
 343  */
 344 static int
 345 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
 346 {
 347         int rval;
 348         struct mbx_cmd_32 mc;
 349         struct mbx_cmd_32 *mcp = &mc;
 350
 351         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
 352             "Entered %s.\n", __func__);
 353
 354         mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 355         mcp->out_mb = MBX_0;
 356         mcp->in_mb = MBX_1|MBX_0;
 357         mcp->tov = MBX_TOV_SECONDS;
 358         mcp->flags = 0;
 359         rval = qlafx00_mailbox_command(vha, mcp);
 360
 361         /* Return firmware states. */
 362         states[0] = mcp->mb[1];
 363
 364         if (rval != QLA_SUCCESS) {
 365                 ql_dbg(ql_dbg_mbx, vha, 0x116a,
 366                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 367         } else {
 368                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
 369                     "Done %s.\n", __func__);
 370         }
 371         return rval;
 372 }
 373
 374 /*
 375  * qlafx00_init_firmware
 376  *      Initialize adapter firmware.
 377  *
 378  * Input:
 379  *      ha = adapter block pointer.
 380  *      dptr = Initialization control block pointer.
 381  *      size = size of initialization control block.
 382  *      TARGET_QUEUE_LOCK must be released.
 383  *      ADAPTER_STATE_LOCK must be released.
 384  *
 385  * Returns:
 386  *      qlafx00 local function return status code.
 387  *
 388  * Context:
 389  *      Kernel context.
 390  */
 391 int
 392 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 393 {
 394         int rval;
 395         struct mbx_cmd_32 mc;
 396         struct mbx_cmd_32 *mcp = &mc;
 397         struct qla_hw_data *ha = vha->hw;
 398
 399         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
 400             "Entered %s.\n", __func__);
 401
 402         mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
 403
 404         mcp->mb[1] = 0;
 405         mcp->mb[2] = MSD(ha->init_cb_dma);
 406         mcp->mb[3] = LSD(ha->init_cb_dma);
 407
 408         mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 409         mcp->in_mb = MBX_0;
 410         mcp->buf_size = size;
 411         mcp->flags = MBX_DMA_OUT;
 412         mcp->tov = MBX_TOV_SECONDS;
 413         rval = qlafx00_mailbox_command(vha, mcp);
 414
 415         if (rval != QLA_SUCCESS) {
 416                 ql_dbg(ql_dbg_mbx, vha, 0x116d,
 417                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 418         } else {
 419                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
 420                     "Done %s.\n", __func__);
 421         }
 422         return rval;
 423 }
 424
 425 /*
 426  * qlafx00_mbx_reg_test
 427  */
 428 static int
 429 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
 430 {
 431         int rval;
 432         struct mbx_cmd_32 mc;
 433         struct mbx_cmd_32 *mcp = &mc;
 434
 435         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
 436             "Entered %s.\n", __func__);
 437
 438
 439         mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
 440         mcp->mb[1] = 0xAAAA;
 441         mcp->mb[2] = 0x5555;
 442         mcp->mb[3] = 0xAA55;
 443         mcp->mb[4] = 0x55AA;
 444         mcp->mb[5] = 0xA5A5;
 445         mcp->mb[6] = 0x5A5A;
 446         mcp->mb[7] = 0x2525;
 447         mcp->mb[8] = 0xBBBB;
 448         mcp->mb[9] = 0x6666;
 449         mcp->mb[10] = 0xBB66;
 450         mcp->mb[11] = 0x66BB;
 451         mcp->mb[12] = 0xB6B6;
 452         mcp->mb[13] = 0x6B6B;
 453         mcp->mb[14] = 0x3636;
 454         mcp->mb[15] = 0xCCCC;
 455
 456
 457         mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 458                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 459         mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 460                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 461         mcp->buf_size = 0;
 462         mcp->flags = MBX_DMA_OUT;
 463         mcp->tov = MBX_TOV_SECONDS;
 464         rval = qlafx00_mailbox_command(vha, mcp);
 465         if (rval == QLA_SUCCESS) {
 466                 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
 467                     mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
 468                         rval = QLA_FUNCTION_FAILED;
 469                 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
 470                     mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
 471                         rval = QLA_FUNCTION_FAILED;
 472                 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
 473                     mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
 474                         rval = QLA_FUNCTION_FAILED;
 475                 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
 476                     mcp->mb[31] != 0xCCCC)
 477                         rval = QLA_FUNCTION_FAILED;
 478         }
 479
 480         if (rval != QLA_SUCCESS) {
 481                 ql_dbg(ql_dbg_mbx, vha, 0x1170,
 482                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 483         } else {
 484                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
 485                     "Done %s.\n", __func__);
 486         }
 487         return rval;
 488 }
 489
 490 /**
 491  * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 492  * @ha: HA context
 493  *
 494  * Returns 0 on success.
 495  */
 496 int
 497 qlafx00_pci_config(scsi_qla_host_t *vha)
 498 {
 499         uint16_t w;
 500         struct qla_hw_data *ha = vha->hw;
 501
 502         pci_set_master(ha->pdev);
 503         pci_try_set_mwi(ha->pdev);
 504
 505         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 506         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 507         w &= ~PCI_COMMAND_INTX_DISABLE;
 508         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 509
 510         /* PCIe -- adjust Maximum Read Request Size (2048). */
 511         if (pci_is_pcie(ha->pdev))
 512                 pcie_set_readrq(ha->pdev, 2048);
 513
 514         ha->chip_revision = ha->pdev->revision;
 515
 516         return QLA_SUCCESS;
 517 }
 518
 519 /**
 520  * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 521  * @ha: HA context
 522  *
 523   */
 524 static inline void
 525 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
 526 {
 527         unsigned long flags = 0;
 528         struct qla_hw_data *ha = vha->hw;
 529         int i, core;
 530         uint32_t cnt;
 531         uint32_t reg_val;
 532
 533         spin_lock_irqsave(&ha->hardware_lock, flags);
 534
 535         QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0);
 536         QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0);
 537
 538         /* stop the XOR DMA engines */
 539         QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02);
 540         QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02);
 541         QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02);
 542         QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02);
 543
 544         /* stop the IDMA engines */
 545         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840);
 546         reg_val &= ~(1<<12);
 547         QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val);
 548
 549         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844);
 550         reg_val &= ~(1<<12);
 551         QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val);
 552
 553         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848);
 554         reg_val &= ~(1<<12);
 555         QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val);
 556
 557         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C);
 558         reg_val &= ~(1<<12);
 559         QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val);
 560
 561         for (i = 0; i < 100000; i++) {
 562                 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 &&
 563                     (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0)
 564                         break;
 565                 udelay(100);
 566         }
 567
 568         /* Set all 4 cores in reset */
 569         for (i = 0; i < 4; i++) {
 570                 QLAFX00_SET_HBA_SOC_REG(ha,
 571                     (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
 572                 QLAFX00_SET_HBA_SOC_REG(ha,
 573                     (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
 574         }
 575
 576         /* Reset all units in Fabric */
 577         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101));
 578
 579         /* */
 580         QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1);
 581         QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0);
 582
 583         /* Set all 4 core Memory Power Down Registers */
 584         for (i = 0; i < 5; i++) {
 585                 QLAFX00_SET_HBA_SOC_REG(ha,
 586                     (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0));
 587         }
 588
 589         /* Reset all interrupt control registers */
 590         for (i = 0; i < 115; i++) {
 591                 QLAFX00_SET_HBA_SOC_REG(ha,
 592                     (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
 593         }
 594
 595         /* Reset Timers control registers. per core */
 596         for (core = 0; core < 4; core++)
 597                 for (i = 0; i < 8; i++)
 598                         QLAFX00_SET_HBA_SOC_REG(ha,
 599                             (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
 600
 601         /* Reset per core IRQ ack register */
 602         for (core = 0; core < 4; core++)
 603                 QLAFX00_SET_HBA_SOC_REG(ha,
 604                     (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
 605
 606         /* Set Fabric control and config to defaults */
 607         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
 608         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
 609
 610         /* Kick in Fabric units */
 611         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
 612
 613         /* Kick in Core0 to start boot process */
 614         QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
 615
 616         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 617
 618         /* Wait 10secs for soft-reset to complete. */
 619         for (cnt = 10; cnt; cnt--) {
 620                 msleep(1000);
 621                 barrier();
 622         }
 623 }
 624
 625 /**
 626  * qlafx00_soft_reset() - Soft Reset ISPFx00.
 627  * @ha: HA context
 628  *
 629  * Returns 0 on success.
 630  */
 631 void
 632 qlafx00_soft_reset(scsi_qla_host_t *vha)
 633 {
 634         struct qla_hw_data *ha = vha->hw;
 635
 636         if (unlikely(pci_channel_offline(ha->pdev) &&
 637             ha->flags.pci_channel_io_perm_failure))
 638                 return;
 639
 640         ha->isp_ops->disable_intrs(ha);
 641         qlafx00_soc_cpu_reset(vha);
 642 }
 643
 644 /**
 645  * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 646  * @ha: HA context
 647  *
 648  * Returns 0 on success.
 649  */
 650 int
 651 qlafx00_chip_diag(scsi_qla_host_t *vha)
 652 {
 653         int rval = 0;
 654         struct qla_hw_data *ha = vha->hw;
 655         struct req_que *req = ha->req_q_map[0];
 656
 657         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 658
 659         rval = qlafx00_mbx_reg_test(vha);
 660         if (rval) {
 661                 ql_log(ql_log_warn, vha, 0x1165,
 662                     "Failed mailbox send register test\n");
 663         } else {
 664                 /* Flag a successful rval */
 665                 rval = QLA_SUCCESS;
 666         }
 667         return rval;
 668 }
 669
 670 void
 671 qlafx00_config_rings(struct scsi_qla_host *vha)
 672 {
 673         struct qla_hw_data *ha = vha->hw;
 674         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 675
 676         WRT_REG_DWORD(&reg->req_q_in, 0);
 677         WRT_REG_DWORD(&reg->req_q_out, 0);
 678
 679         WRT_REG_DWORD(&reg->rsp_q_in, 0);
 680         WRT_REG_DWORD(&reg->rsp_q_out, 0);
 681
 682         /* PCI posting */
 683         RD_REG_DWORD(&reg->rsp_q_out);
 684 }
 685
 686 char *
 687 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 688 {
 689         struct qla_hw_data *ha = vha->hw;
 690
 691         if (pci_is_pcie(ha->pdev)) {
 692                 strcpy(str, "PCIe iSA");
 693                 return str;
 694         }
 695         return str;
 696 }
 697
 698 char *
 699 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 700 {
 701         struct qla_hw_data *ha = vha->hw;
 702
 703         snprintf(str, size, "%s", ha->mr.fw_version);
 704         return str;
 705 }
 706
 707 void
 708 qlafx00_enable_intrs(struct qla_hw_data *ha)
 709 {
 710         unsigned long flags = 0;
 711
 712         spin_lock_irqsave(&ha->hardware_lock, flags);
 713         ha->interrupts_on = 1;
 714         QLAFX00_ENABLE_ICNTRL_REG(ha);
 715         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 716 }
 717
 718 void
 719 qlafx00_disable_intrs(struct qla_hw_data *ha)
 720 {
 721         unsigned long flags = 0;
 722
 723         spin_lock_irqsave(&ha->hardware_lock, flags);
 724         ha->interrupts_on = 0;
 725         QLAFX00_DISABLE_ICNTRL_REG(ha);
 726         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 727 }
 728
 729 int
 730 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag)
 731 {
 732         return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 733 }
 734
 735 int
 736 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag)
 737 {
 738         return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 739 }
 740
 741 int
 742 qlafx00_iospace_config(struct qla_hw_data *ha)
 743 {
 744         if (pci_request_selected_regions(ha->pdev, ha->bars,
 745             QLA2XXX_DRIVER_NAME)) {
 746                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 747                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 748                     pci_name(ha->pdev));
 749                 goto iospace_error_exit;
 750         }
 751
 752         /* Use MMIO operations for all accesses. */
 753         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 754                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 755                     "Invalid pci I/O region size (%s).\n",
 756                     pci_name(ha->pdev));
 757                 goto iospace_error_exit;
 758         }
 759         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 760                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 761                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
 762                         pci_name(ha->pdev));
 763                 goto iospace_error_exit;
 764         }
 765
 766         ha->cregbase =
 767             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 768         if (!ha->cregbase) {
 769                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 770                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 771                 goto iospace_error_exit;
 772         }
 773
 774         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 775                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 776                     "region #2 not an MMIO resource (%s), aborting\n",
 777                     pci_name(ha->pdev));
 778                 goto iospace_error_exit;
 779         }
 780         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 781                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 782                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
 783                         pci_name(ha->pdev));
 784                 goto iospace_error_exit;
 785         }
 786
 787         ha->iobase =
 788             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 789         if (!ha->iobase) {
 790                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 791                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 792                 goto iospace_error_exit;
 793         }
 794
 795         /* Determine queue resources */
 796         ha->max_req_queues = ha->max_rsp_queues = 1;
 797
 798         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 799             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 800             ha->bars, ha->cregbase, ha->iobase);
 801
 802         return 0;
 803
 804 iospace_error_exit:
 805         return -ENOMEM;
 806 }
 807
 808 static void
 809 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 810 {
 811         struct qla_hw_data *ha = vha->hw;
 812         struct req_que *req = ha->req_q_map[0];
 813         struct rsp_que *rsp = ha->rsp_q_map[0];
 814
 815         req->length_fx00 = req->length;
 816         req->ring_fx00 = req->ring;
 817         req->dma_fx00 = req->dma;
 818
 819         rsp->length_fx00 = rsp->length;
 820         rsp->ring_fx00 = rsp->ring;
 821         rsp->dma_fx00 = rsp->dma;
 822
 823         ql_dbg(ql_dbg_init, vha, 0x012d,
 824             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 825             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 826             req->length_fx00, (u64)req->dma_fx00);
 827
 828         ql_dbg(ql_dbg_init, vha, 0x012e,
 829             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 830             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 831             rsp->length_fx00, (u64)rsp->dma_fx00);
 832 }
 833
 834 static int
 835 qlafx00_config_queues(struct scsi_qla_host *vha)
 836 {
 837         struct qla_hw_data *ha = vha->hw;
 838         struct req_que *req = ha->req_q_map[0];
 839         struct rsp_que *rsp = ha->rsp_q_map[0];
 840         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 841
 842         req->length = ha->req_que_len;
 843         req->ring = (void __force *)ha->iobase + ha->req_que_off;
 844         req->dma = bar2_hdl + ha->req_que_off;
 845         if ((!req->ring) || (req->length == 0)) {
 846                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 847                     "Unable to allocate memory for req_ring\n");
 848                 return QLA_FUNCTION_FAILED;
 849         }
 850
 851         ql_dbg(ql_dbg_init, vha, 0x0130,
 852             "req: %p req_ring pointer %p req len 0x%x "
 853             "req off 0x%x\n, req->dma: 0x%llx",
 854             req, req->ring, req->length,
 855             ha->req_que_off, (u64)req->dma);
 856
 857         rsp->length = ha->rsp_que_len;
 858         rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off;
 859         rsp->dma = bar2_hdl + ha->rsp_que_off;
 860         if ((!rsp->ring) || (rsp->length == 0)) {
 861                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 862                     "Unable to allocate memory for rsp_ring\n");
 863                 return QLA_FUNCTION_FAILED;
 864         }
 865
 866         ql_dbg(ql_dbg_init, vha, 0x0132,
 867             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 868             "rsp off 0x%x, rsp->dma: 0x%llx\n",
 869             rsp, rsp->ring, rsp->length,
 870             ha->rsp_que_off, (u64)rsp->dma);
 871
 872         return QLA_SUCCESS;
 873 }
 874
 875 static int
 876 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 877 {
 878         int rval = 0;
 879         unsigned long wtime;
 880         uint16_t wait_time;     /* Wait time */
 881         struct qla_hw_data *ha = vha->hw;
 882         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 883         uint32_t aenmbx, aenmbx7 = 0;
 884         uint32_t pseudo_aen;
 885         uint32_t state[5];
 886         bool done = false;
 887
 888         /* 30 seconds wait - Adjust if required */
 889         wait_time = 30;
 890
 891         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 892         if (pseudo_aen == 1) {
 893                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
 894                 ha->mbx_intr_code = MSW(aenmbx7);
 895                 ha->rqstq_intr_code = LSW(aenmbx7);
 896                 rval = qlafx00_driver_shutdown(vha, 10);
 897                 if (rval != QLA_SUCCESS)
 898                         qlafx00_soft_reset(vha);
 899         }
 900
 901         /* wait time before firmware ready */
 902         wtime = jiffies + (wait_time * HZ);
 903         do {
 904                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 905                 barrier();
 906                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
 907                     "aenmbx: 0x%x\n", aenmbx);
 908
 909                 switch (aenmbx) {
 910                 case MBA_FW_NOT_STARTED:
 911                 case MBA_FW_STARTING:
 912                         break;
 913
 914                 case MBA_SYSTEM_ERR:
 915                 case MBA_REQ_TRANSFER_ERR:
 916                 case MBA_RSP_TRANSFER_ERR:
 917                 case MBA_FW_INIT_FAILURE:
 918                         qlafx00_soft_reset(vha);
 919                         break;
 920
 921                 case MBA_FW_RESTART_CMPLT:
 922                         /* Set the mbx and rqstq intr code */
 923                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 924                         ha->mbx_intr_code = MSW(aenmbx7);
 925                         ha->rqstq_intr_code = LSW(aenmbx7);
 926                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 927                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 928                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 929                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 930                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
 931                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 932                         ql_dbg(ql_dbg_init, vha, 0x0134,
 933                             "f/w returned mbx_intr_code: 0x%x, "
 934                             "rqstq_intr_code: 0x%x\n",
 935                             ha->mbx_intr_code, ha->rqstq_intr_code);
 936                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 937                         rval = QLA_SUCCESS;
 938                         done = true;
 939                         break;
 940
 941                 default:
 942                         if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS)
 943                                 break;
 944
 945                         /* If fw is apparently not ready. In order to continue,
 946                          * we might need to issue Mbox cmd, but the problem is
 947                          * that the DoorBell vector values that come with the
 948                          * 8060 AEN are most likely gone by now (and thus no
 949                          * bell would be rung on the fw side when mbox cmd is
 950                          * issued). We have to therefore grab the 8060 AEN
 951                          * shadow regs (filled in by FW when the last 8060
 952                          * AEN was being posted).
 953                          * Do the following to determine what is needed in
 954                          * order to get the FW ready:
 955                          * 1. reload the 8060 AEN values from the shadow regs
 956                          * 2. clear int status to get rid of possible pending
 957                          *    interrupts
 958                          * 3. issue Get FW State Mbox cmd to determine fw state
 959                          * Set the mbx and rqstq intr code from Shadow Regs
 960                          */
 961                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
 962                         ha->mbx_intr_code = MSW(aenmbx7);
 963                         ha->rqstq_intr_code = LSW(aenmbx7);
 964                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
 965                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
 966                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
 967                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
 968                         ql_dbg(ql_dbg_init, vha, 0x0135,
 969                             "f/w returned mbx_intr_code: 0x%x, "
 970                             "rqstq_intr_code: 0x%x\n",
 971                             ha->mbx_intr_code, ha->rqstq_intr_code);
 972                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 973
 974                         /* Get the FW state */
 975                         rval = qlafx00_get_firmware_state(vha, state);
 976                         if (rval != QLA_SUCCESS) {
 977                                 /* Retry if timer has not expired */
 978                                 break;
 979                         }
 980
 981                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
 982                                 /* Firmware is waiting to be
 983                                  * initialized by driver
 984                                  */
 985                                 rval = QLA_SUCCESS;
 986                                 done = true;
 987                                 break;
 988                         }
 989
 990                         /* Issue driver shutdown and wait until f/w recovers.
 991                          * Driver should continue to poll until 8060 AEN is
 992                          * received indicating firmware recovery.
 993                          */
 994                         ql_dbg(ql_dbg_init, vha, 0x0136,
 995                             "Sending Driver shutdown fw_state 0x%x\n",
 996                             state[0]);
 997
 998                         rval = qlafx00_driver_shutdown(vha, 10);
 999                         if (rval != QLA_SUCCESS) {
1000                                 rval = QLA_FUNCTION_FAILED;
1001                                 break;
1002                         }
1003                         msleep(500);
1004
1005                         wtime = jiffies + (wait_time * HZ);
1006                         break;
1007                 }
1008
1009                 if (!done) {
1010                         if (time_after_eq(jiffies, wtime)) {
1011                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1012                                     "Init f/w failed: aen[7]: 0x%x\n",
1013                                     RD_REG_DWORD(&reg->aenmailbox7));
1014                                 rval = QLA_FUNCTION_FAILED;
1015                                 done = true;
1016                                 break;
1017                         }
1018                         /* Delay for a while */
1019                         msleep(500);
1020                 }
1021         } while (!done);
1022
1023         if (rval)
1024                 ql_dbg(ql_dbg_init, vha, 0x0138,
1025                     "%s **** FAILED ****.\n", __func__);
1026         else
1027                 ql_dbg(ql_dbg_init, vha, 0x0139,
1028                     "%s **** SUCCESS ****.\n", __func__);
1029
1030         return rval;
1031 }
1032
1033 /*
1034  * qlafx00_fw_ready() - Waits for firmware ready.
1035  * @ha: HA context
1036  *
1037  * Returns 0 on success.
1038  */
1039 int
1040 qlafx00_fw_ready(scsi_qla_host_t *vha)
1041 {
1042         int             rval;
1043         unsigned long   wtime;
1044         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1045         uint32_t        state[5];
1046
1047         rval = QLA_SUCCESS;
1048
1049         wait_time = 10;
1050
1051         /* wait time before firmware ready */
1052         wtime = jiffies + (wait_time * HZ);
1053
1054         /* Wait for ISP to finish init */
1055         if (!vha->flags.init_done)
1056                 ql_dbg(ql_dbg_init, vha, 0x013a,
1057                     "Waiting for init to complete...\n");
1058
1059         do {
1060                 rval = qlafx00_get_firmware_state(vha, state);
1061
1062                 if (rval == QLA_SUCCESS) {
1063                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1064                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1065                                     "fw_state=%x\n", state[0]);
1066                                 rval = QLA_SUCCESS;
1067                                         break;
1068                         }
1069                 }
1070                 rval = QLA_FUNCTION_FAILED;
1071
1072                 if (time_after_eq(jiffies, wtime))
1073                         break;
1074
1075                 /* Delay for a while */
1076                 msleep(500);
1077
1078                 ql_dbg(ql_dbg_init, vha, 0x013c,
1079                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1080         } while (1);
1081
1082
1083         if (rval)
1084                 ql_dbg(ql_dbg_init, vha, 0x013d,
1085                     "Firmware ready **** FAILED ****.\n");
1086         else
1087                 ql_dbg(ql_dbg_init, vha, 0x013e,
1088                     "Firmware ready **** SUCCESS ****.\n");
1089
1090         return rval;
1091 }
1092
1093 static int
1094 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1095         struct list_head *new_fcports)
1096 {
1097         int             rval;
1098         uint16_t        tgt_id;
1099         fc_port_t       *fcport, *new_fcport;
1100         int             found;
1101         struct qla_hw_data *ha = vha->hw;
1102
1103         rval = QLA_SUCCESS;
1104
1105         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1106                 return QLA_FUNCTION_FAILED;
1107
1108         if ((atomic_read(&vha->loop_down_timer) ||
1109              STATE_TRANSITION(vha))) {
1110                 atomic_set(&vha->loop_down_timer, 0);
1111                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1112                 return QLA_FUNCTION_FAILED;
1113         }
1114
1115         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1116             "Listing Target bit map...\n");
1117         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1118             0x2089, (uint8_t *)ha->gid_list, 32);
1119
1120         /* Allocate temporary rmtport for any new rmtports discovered. */
1121         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1122         if (new_fcport == NULL)
1123                 return QLA_MEMORY_ALLOC_FAILED;
1124
1125         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1126             QLAFX00_TGT_NODE_LIST_SIZE) {
1127
1128                 /* Send get target node info */
1129                 new_fcport->tgt_id = tgt_id;
1130                 rval = qlafx00_fx_disc(vha, new_fcport,
1131                     FXDISC_GET_TGT_NODE_INFO);
1132                 if (rval != QLA_SUCCESS) {
1133                         ql_log(ql_log_warn, vha, 0x208a,
1134                             "Target info scan failed -- assuming zero-entry "
1135                             "result...\n");
1136                         continue;
1137                 }
1138
1139                 /* Locate matching device in database. */
1140                 found = 0;
1141                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1142                         if (memcmp(new_fcport->port_name,
1143                             fcport->port_name, WWN_SIZE))
1144                                 continue;
1145
1146                         found++;
1147
1148                         /*
1149                          * If tgt_id is same and state FCS_ONLINE, nothing
1150                          * changed.
1151                          */
1152                         if (fcport->tgt_id == new_fcport->tgt_id &&
1153                             atomic_read(&fcport->state) == FCS_ONLINE)
1154                                 break;
1155
1156                         /*
1157                          * Tgt ID changed or device was marked to be updated.
1158                          */
1159                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1160                             "TGT-ID Change(%s): Present tgt id: "
1161                             "0x%x state: 0x%x "
1162                             "wwnn = %llx wwpn = %llx.\n",
1163                             __func__, fcport->tgt_id,
1164                             atomic_read(&fcport->state),
1165                             (unsigned long long)wwn_to_u64(fcport->node_name),
1166                             (unsigned long long)wwn_to_u64(fcport->port_name));
1167
1168                         ql_log(ql_log_info, vha, 0x208c,
1169                             "TGT-ID Announce(%s): Discovered tgt "
1170                             "id 0x%x wwnn = %llx "
1171                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1172                             (unsigned long long)
1173                             wwn_to_u64(new_fcport->node_name),
1174                             (unsigned long long)
1175                             wwn_to_u64(new_fcport->port_name));
1176
1177                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1178                                 fcport->old_tgt_id = fcport->tgt_id;
1179                                 fcport->tgt_id = new_fcport->tgt_id;
1180                                 ql_log(ql_log_info, vha, 0x208d,
1181                                    "TGT-ID: New fcport Added: %p\n", fcport);
1182                                 qla2x00_update_fcport(vha, fcport);
1183                         } else {
1184                                 ql_log(ql_log_info, vha, 0x208e,
1185                                     " Existing TGT-ID %x did not get "
1186                                     " offline event from firmware.\n",
1187                                     fcport->old_tgt_id);
1188                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1189                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1190                                 kfree(new_fcport);
1191                                 return rval;
1192                         }
1193                         break;
1194                 }
1195
1196                 if (found)
1197                         continue;
1198
1199                 /* If device was not in our fcports list, then add it. */
1200                 list_add_tail(&new_fcport->list, new_fcports);
1201
1202                 /* Allocate a new replacement fcport. */
1203                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1204                 if (new_fcport == NULL)
1205                         return QLA_MEMORY_ALLOC_FAILED;
1206         }
1207
1208         kfree(new_fcport);
1209         return rval;
1210 }
1211
1212 /*
1213  * qlafx00_configure_all_targets
1214  *      Setup target devices with node ID's.
1215  *
1216  * Input:
1217  *      ha = adapter block pointer.
1218  *
1219  * Returns:
1220  *      0 = success.
1221  *      BIT_0 = error
1222  */
1223 static int
1224 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1225 {
1226         int rval;
1227         fc_port_t *fcport, *rmptemp;
1228         LIST_HEAD(new_fcports);
1229
1230         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1231             FXDISC_GET_TGT_NODE_LIST);
1232         if (rval != QLA_SUCCESS) {
1233                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1234                 return rval;
1235         }
1236
1237         rval = qlafx00_find_all_targets(vha, &new_fcports);
1238         if (rval != QLA_SUCCESS) {
1239                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1240                 return rval;
1241         }
1242
1243         /*
1244          * Delete all previous devices marked lost.
1245          */
1246         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1247                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1248                         break;
1249
1250                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1251                         if (fcport->port_type != FCT_INITIATOR)
1252                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1253                 }
1254         }
1255
1256         /*
1257          * Add the new devices to our devices list.
1258          */
1259         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1260                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1261                         break;
1262
1263                 qla2x00_update_fcport(vha, fcport);
1264                 list_move_tail(&fcport->list, &vha->vp_fcports);
1265                 ql_log(ql_log_info, vha, 0x208f,
1266                     "Attach new target id 0x%x wwnn = %llx "
1267                     "wwpn = %llx.\n",
1268                     fcport->tgt_id,
1269                     (unsigned long long)wwn_to_u64(fcport->node_name),
1270                     (unsigned long long)wwn_to_u64(fcport->port_name));
1271         }
1272
1273         /* Free all new device structures not processed. */
1274         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1275                 list_del(&fcport->list);
1276                 kfree(fcport);
1277         }
1278
1279         return rval;
1280 }
1281
1282 /*
1283  * qlafx00_configure_devices
1284  *      Updates Fibre Channel Device Database with what is actually on loop.
1285  *
1286  * Input:
1287  *      ha                = adapter block pointer.
1288  *
1289  * Returns:
1290  *      0 = success.
1291  *      1 = error.
1292  *      2 = database was full and device was not configured.
1293  */
1294 int
1295 qlafx00_configure_devices(scsi_qla_host_t *vha)
1296 {
1297         int  rval;
1298         unsigned long flags;
1299         rval = QLA_SUCCESS;
1300
1301         flags = vha->dpc_flags;
1302
1303         ql_dbg(ql_dbg_disc, vha, 0x2090,
1304             "Configure devices -- dpc flags =0x%lx\n", flags);
1305
1306         rval = qlafx00_configure_all_targets(vha);
1307
1308         if (rval == QLA_SUCCESS) {
1309                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1310                         rval = QLA_FUNCTION_FAILED;
1311                 } else {
1312                         atomic_set(&vha->loop_state, LOOP_READY);
1313                         ql_log(ql_log_info, vha, 0x2091,
1314                             "Device Ready\n");
1315                 }
1316         }
1317
1318         if (rval) {
1319                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1320                     "%s *** FAILED ***.\n", __func__);
1321         } else {
1322                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1323                     "%s: exiting normally.\n", __func__);
1324         }
1325         return rval;
1326 }
1327
1328 static void
1329 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1330 {
1331         struct qla_hw_data *ha = vha->hw;
1332         fc_port_t *fcport;
1333
1334         vha->flags.online = 0;
1335         ha->mr.fw_hbt_en = 0;
1336
1337         if (!critemp) {
1338                 ha->flags.chip_reset_done = 0;
1339                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1340                 vha->qla_stats.total_isp_aborts++;
1341                 ql_log(ql_log_info, vha, 0x013f,
1342                     "Performing ISP error recovery - ha = %p.\n", ha);
1343                 ha->isp_ops->reset_chip(vha);
1344         }
1345
1346         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1347                 atomic_set(&vha->loop_state, LOOP_DOWN);
1348                 atomic_set(&vha->loop_down_timer,
1349                     QLAFX00_LOOP_DOWN_TIME);
1350         } else {
1351                 if (!atomic_read(&vha->loop_down_timer))
1352                         atomic_set(&vha->loop_down_timer,
1353                             QLAFX00_LOOP_DOWN_TIME);
1354         }
1355
1356         /* Clear all async request states across all VPs. */
1357         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1358                 fcport->flags = 0;
1359                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1360                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1361         }
1362
1363         if (!ha->flags.eeh_busy) {
1364                 if (critemp) {
1365                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1366                 } else {
1367                         /* Requeue all commands in outstanding command list. */
1368                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1369                 }
1370         }
1371
1372         qla2x00_free_irqs(vha);
1373         if (critemp)
1374                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1375         else
1376                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1377
1378         /* Clear the Interrupts */
1379         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1380
1381         ql_log(ql_log_info, vha, 0x0140,
1382             "%s Done done - ha=%p.\n", __func__, ha);
1383 }
1384
1385 /**
1386  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1387  * @ha: HA context
1388  *
1389  * Beginning of request ring has initialization control block already built
1390  * by nvram config routine.
1391  *
1392  * Returns 0 on success.
1393  */
1394 void
1395 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1396 {
1397         uint16_t cnt;
1398         response_t *pkt;
1399
1400         rsp->ring_ptr = rsp->ring;
1401         rsp->ring_index    = 0;
1402         rsp->status_srb = NULL;
1403         pkt = rsp->ring_ptr;
1404         for (cnt = 0; cnt < rsp->length; cnt++) {
1405                 pkt->signature = RESPONSE_PROCESSED;
1406                 WRT_REG_DWORD((void __force __iomem *)&pkt->signature,
1407                     RESPONSE_PROCESSED);
1408                 pkt++;
1409         }
1410 }
1411
1412 int
1413 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1414 {
1415         uint32_t status = QLA_FUNCTION_FAILED;
1416         struct qla_hw_data *ha = vha->hw;
1417         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1418         uint32_t aenmbx7;
1419
1420         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1421
1422         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1423         ha->mbx_intr_code = MSW(aenmbx7);
1424         ha->rqstq_intr_code = LSW(aenmbx7);
1425         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1426         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1427         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1428         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1429
1430         ql_dbg(ql_dbg_disc, vha, 0x2094,
1431             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1432             " Req que offset 0x%x Rsp que offset 0x%x\n",
1433             ha->mbx_intr_code, ha->rqstq_intr_code,
1434             ha->req_que_off, ha->rsp_que_len);
1435
1436         /* Clear the Interrupts */
1437         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1438
1439         status = qla2x00_init_rings(vha);
1440         if (!status) {
1441                 vha->flags.online = 1;
1442
1443                 /* if no cable then assume it's good */
1444                 if ((vha->device_flags & DFLG_NO_CABLE))
1445                         status = 0;
1446                 /* Register system information */
1447                 if (qlafx00_fx_disc(vha,
1448                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1449                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1450                             "failed to register host info\n");
1451         }
1452         scsi_unblock_requests(vha->host);
1453         return status;
1454 }
1455
1456 void
1457 qlafx00_timer_routine(scsi_qla_host_t *vha)
1458 {
1459         struct qla_hw_data *ha = vha->hw;
1460         uint32_t fw_heart_beat;
1461         uint32_t aenmbx0;
1462         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1463         uint32_t tempc;
1464
1465         /* Check firmware health */
1466         if (ha->mr.fw_hbt_cnt)
1467                 ha->mr.fw_hbt_cnt--;
1468         else {
1469                 if ((!ha->flags.mr_reset_hdlr_active) &&
1470                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1471                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1472                     (ha->mr.fw_hbt_en)) {
1473                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1474                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1475                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1476                                 ha->mr.fw_hbt_miss_cnt = 0;
1477                         } else {
1478                                 ha->mr.fw_hbt_miss_cnt++;
1479                                 if (ha->mr.fw_hbt_miss_cnt ==
1480                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1481                                         set_bit(ISP_ABORT_NEEDED,
1482                                             &vha->dpc_flags);
1483                                         qla2xxx_wake_dpc(vha);
1484                                         ha->mr.fw_hbt_miss_cnt = 0;
1485                                 }
1486                         }
1487                 }
1488                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1489         }
1490
1491         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1492                 /* Reset recovery to be performed in timer routine */
1493                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1494                 if (ha->mr.fw_reset_timer_exp) {
1495                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1496                         qla2xxx_wake_dpc(vha);
1497                         ha->mr.fw_reset_timer_exp = 0;
1498                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1499                         /* Wake up DPC to rescan the targets */
1500                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1501                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1502                         qla2xxx_wake_dpc(vha);
1503                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1504                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1505                     (!ha->mr.fw_hbt_en)) {
1506                         ha->mr.fw_hbt_en = 1;
1507                 } else if (!ha->mr.fw_reset_timer_tick) {
1508                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1509                                 ha->mr.fw_reset_timer_exp = 1;
1510                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1511                 } else if (aenmbx0 == 0xFFFFFFFF) {
1512                         uint32_t data0, data1;
1513
1514                         data0 = QLAFX00_RD_REG(ha,
1515                             QLAFX00_BAR1_BASE_ADDR_REG);
1516                         data1 = QLAFX00_RD_REG(ha,
1517                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1518
1519                         data0 &= 0xffff0000;
1520                         data1 &= 0x0000ffff;
1521
1522                         QLAFX00_WR_REG(ha,
1523                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1524                             (data0 | data1));
1525                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1526                         ha->mr.fw_reset_timer_tick =
1527                             QLAFX00_MAX_RESET_INTERVAL;
1528                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1529                         ha->mr.fw_reset_timer_tick =
1530                             QLAFX00_MAX_RESET_INTERVAL;
1531                 }
1532                 if (ha->mr.old_aenmbx0_state != aenmbx0) {
1533                         ha->mr.old_aenmbx0_state = aenmbx0;
1534                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1535                 }
1536                 ha->mr.fw_reset_timer_tick--;
1537         }
1538         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1539                 /*
1540                  * Critical temperature recovery to be
1541                  * performed in timer routine
1542                  */
1543                 if (ha->mr.fw_critemp_timer_tick == 0) {
1544                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1545                         ql_dbg(ql_dbg_timer, vha, 0x6012,
1546                             "ISPFx00(%s): Critical temp timer, "
1547                             "current SOC temperature: %d\n",
1548                             __func__, tempc);
1549                         if (tempc < ha->mr.critical_temperature) {
1550                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1551                                 clear_bit(FX00_CRITEMP_RECOVERY,
1552                                     &vha->dpc_flags);
1553                                 qla2xxx_wake_dpc(vha);
1554                         }
1555                         ha->mr.fw_critemp_timer_tick =
1556                             QLAFX00_CRITEMP_INTERVAL;
1557                 } else {
1558                         ha->mr.fw_critemp_timer_tick--;
1559                 }
1560         }
1561         if (ha->mr.host_info_resend) {
1562                 /*
1563                  * Incomplete host info might be sent to firmware
1564                  * durinng system boot - info should be resend
1565                  */
1566                 if (ha->mr.hinfo_resend_timer_tick == 0) {
1567                         ha->mr.host_info_resend = false;
1568                         set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1569                         ha->mr.hinfo_resend_timer_tick =
1570                             QLAFX00_HINFO_RESEND_INTERVAL;
1571                         qla2xxx_wake_dpc(vha);
1572                 } else {
1573                         ha->mr.hinfo_resend_timer_tick--;
1574                 }
1575         }
1576
1577 }
1578
1579 /*
1580  *  qlfx00a_reset_initialize
1581  *      Re-initialize after a iSA device reset.
1582  *
1583  * Input:
1584  *      ha  = adapter block pointer.
1585  *
1586  * Returns:
1587  *      0 = success
1588  */
1589 int
1590 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1591 {
1592         struct qla_hw_data *ha = vha->hw;
1593
1594         if (vha->device_flags & DFLG_DEV_FAILED) {
1595                 ql_dbg(ql_dbg_init, vha, 0x0142,
1596                     "Device in failed state\n");
1597                 return QLA_SUCCESS;
1598         }
1599
1600         ha->flags.mr_reset_hdlr_active = 1;
1601
1602         if (vha->flags.online) {
1603                 scsi_block_requests(vha->host);
1604                 qlafx00_abort_isp_cleanup(vha, false);
1605         }
1606
1607         ql_log(ql_log_info, vha, 0x0143,
1608             "(%s): succeeded.\n", __func__);
1609         ha->flags.mr_reset_hdlr_active = 0;
1610         return QLA_SUCCESS;
1611 }
1612
1613 /*
1614  *  qlafx00_abort_isp
1615  *      Resets ISP and aborts all outstanding commands.
1616  *
1617  * Input:
1618  *      ha  = adapter block pointer.
1619  *
1620  * Returns:
1621  *      0 = success
1622  */
1623 int
1624 qlafx00_abort_isp(scsi_qla_host_t *vha)
1625 {
1626         struct qla_hw_data *ha = vha->hw;
1627
1628         if (vha->flags.online) {
1629                 if (unlikely(pci_channel_offline(ha->pdev) &&
1630                     ha->flags.pci_channel_io_perm_failure)) {
1631                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1632                         return QLA_SUCCESS;
1633                 }
1634
1635                 scsi_block_requests(vha->host);
1636                 qlafx00_abort_isp_cleanup(vha, false);
1637         } else {
1638                 scsi_block_requests(vha->host);
1639                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1640                 vha->qla_stats.total_isp_aborts++;
1641                 ha->isp_ops->reset_chip(vha);
1642                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1643                 /* Clear the Interrupts */
1644                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1645         }
1646
1647         ql_log(ql_log_info, vha, 0x0145,
1648             "(%s): succeeded.\n", __func__);
1649
1650         return QLA_SUCCESS;
1651 }
1652
1653 static inline fc_port_t*
1654 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1655 {
1656         fc_port_t       *fcport;
1657
1658         /* Check for matching device in remote port list. */
1659         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1660                 if (fcport->tgt_id == tgt_id) {
1661                         ql_dbg(ql_dbg_async, vha, 0x5072,
1662                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1663                             "and Remote TGT_ID: 0x%x\n",
1664                             fcport, fcport->tgt_id, tgt_id);
1665                         return fcport;
1666                 }
1667         }
1668         return NULL;
1669 }
1670
1671 static void
1672 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1673 {
1674         fc_port_t       *fcport;
1675
1676         ql_log(ql_log_info, vha, 0x5073,
1677             "Detach TGT-ID: 0x%x\n", tgt_id);
1678
1679         fcport = qlafx00_get_fcport(vha, tgt_id);
1680         if (!fcport)
1681                 return;
1682
1683         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1684
1685         return;
1686 }
1687
1688 int
1689 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1690 {
1691         int rval = 0;
1692         uint32_t aen_code, aen_data;
1693
1694         aen_code = FCH_EVT_VENDOR_UNIQUE;
1695         aen_data = evt->u.aenfx.evtcode;
1696
1697         switch (evt->u.aenfx.evtcode) {
1698         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1699                 if (evt->u.aenfx.mbx[1] == 0) {
1700                         if (evt->u.aenfx.mbx[2] == 1) {
1701                                 if (!vha->flags.fw_tgt_reported)
1702                                         vha->flags.fw_tgt_reported = 1;
1703                                 atomic_set(&vha->loop_down_timer, 0);
1704                                 atomic_set(&vha->loop_state, LOOP_UP);
1705                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1706                                 qla2xxx_wake_dpc(vha);
1707                         } else if (evt->u.aenfx.mbx[2] == 2) {
1708                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1709                         }
1710                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1711                         if (evt->u.aenfx.mbx[2] == 1) {
1712                                 if (!vha->flags.fw_tgt_reported)
1713                                         vha->flags.fw_tgt_reported = 1;
1714                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1715                         } else if (evt->u.aenfx.mbx[2] == 2) {
1716                                 vha->device_flags |= DFLG_NO_CABLE;
1717                                 qla2x00_mark_all_devices_lost(vha, 1);
1718                         }
1719                 }
1720                 break;
1721         case QLAFX00_MBA_LINK_UP:
1722                 aen_code = FCH_EVT_LINKUP;
1723                 aen_data = 0;
1724                 break;
1725         case QLAFX00_MBA_LINK_DOWN:
1726                 aen_code = FCH_EVT_LINKDOWN;
1727                 aen_data = 0;
1728                 break;
1729         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1730                 ql_log(ql_log_info, vha, 0x5082,
1731                     "Process critical temperature event "
1732                     "aenmb[0]: %x\n",
1733                     evt->u.aenfx.evtcode);
1734                 scsi_block_requests(vha->host);
1735                 qlafx00_abort_isp_cleanup(vha, true);
1736                 scsi_unblock_requests(vha->host);
1737                 break;
1738         }
1739
1740         fc_host_post_event(vha->host, fc_get_event_number(),
1741             aen_code, aen_data);
1742
1743         return rval;
1744 }
1745
1746 static void
1747 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1748 {
1749         u64 port_name = 0, node_name = 0;
1750
1751         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1752         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1753
1754         fc_host_node_name(vha->host) = node_name;
1755         fc_host_port_name(vha->host) = port_name;
1756         if (!pinfo->port_type)
1757                 vha->hw->current_topology = ISP_CFG_F;
1758         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1759                 atomic_set(&vha->loop_state, LOOP_READY);
1760         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1761                 atomic_set(&vha->loop_state, LOOP_DOWN);
1762         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1763 }
1764
1765 static void
1766 qla2x00_fxdisc_iocb_timeout(void *data)
1767 {
1768         srb_t *sp = (srb_t *)data;
1769         struct srb_iocb *lio = &sp->u.iocb_cmd;
1770
1771         complete(&lio->u.fxiocb.fxiocb_comp);
1772 }
1773
1774 static void
1775 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1776 {
1777         srb_t *sp = (srb_t *)ptr;
1778         struct srb_iocb *lio = &sp->u.iocb_cmd;
1779
1780         complete(&lio->u.fxiocb.fxiocb_comp);
1781 }
1782
1783 int
1784 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1785 {
1786         srb_t *sp;
1787         struct srb_iocb *fdisc;
1788         int rval = QLA_FUNCTION_FAILED;
1789         struct qla_hw_data *ha = vha->hw;
1790         struct host_system_info *phost_info;
1791         struct register_host_info *preg_hsi;
1792         struct new_utsname *p_sysid = NULL;
1793
1794         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1795         if (!sp)
1796                 goto done;
1797
1798         fdisc = &sp->u.iocb_cmd;
1799         switch (fx_type) {
1800         case FXDISC_GET_CONFIG_INFO:
1801         fdisc->u.fxiocb.flags =
1802                     SRB_FXDISC_RESP_DMA_VALID;
1803                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1804                 break;
1805         case FXDISC_GET_PORT_INFO:
1806                 fdisc->u.fxiocb.flags =
1807                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1808                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1809                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1810                 break;
1811         case FXDISC_GET_TGT_NODE_INFO:
1812                 fdisc->u.fxiocb.flags =
1813                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1814                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1815                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1816                 break;
1817         case FXDISC_GET_TGT_NODE_LIST:
1818                 fdisc->u.fxiocb.flags =
1819                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1820                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1821                 break;
1822         case FXDISC_REG_HOST_INFO:
1823                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1824                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1825                 p_sysid = utsname();
1826                 if (!p_sysid) {
1827                         ql_log(ql_log_warn, vha, 0x303c,
1828                             "Not able to get the system information\n");
1829                         goto done_free_sp;
1830                 }
1831                 break;
1832         case FXDISC_ABORT_IOCTL:
1833         default:
1834                 break;
1835         }
1836
1837         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1838                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1839                     fdisc->u.fxiocb.req_len,
1840                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1841                 if (!fdisc->u.fxiocb.req_addr)
1842                         goto done_free_sp;
1843
1844                 if (fx_type == FXDISC_REG_HOST_INFO) {
1845                         preg_hsi = (struct register_host_info *)
1846                                 fdisc->u.fxiocb.req_addr;
1847                         phost_info = &preg_hsi->hsi;
1848                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1849                         phost_info->os_type = OS_TYPE_LINUX;
1850                         strncpy(phost_info->sysname,
1851                             p_sysid->sysname, SYSNAME_LENGTH);
1852                         strncpy(phost_info->nodename,
1853                             p_sysid->nodename, NODENAME_LENGTH);
1854                         if (!strcmp(phost_info->nodename, "(none)"))
1855                                 ha->mr.host_info_resend = true;
1856                         strncpy(phost_info->release,
1857                             p_sysid->release, RELEASE_LENGTH);
1858                         strncpy(phost_info->version,
1859                             p_sysid->version, VERSION_LENGTH);
1860                         strncpy(phost_info->machine,
1861                             p_sysid->machine, MACHINE_LENGTH);
1862                         strncpy(phost_info->domainname,
1863                             p_sysid->domainname, DOMNAME_LENGTH);
1864                         strncpy(phost_info->hostdriver,
1865                             QLA2XXX_VERSION, VERSION_LENGTH);
1866                         preg_hsi->utc = (uint64_t)ktime_get_real_seconds();
1867                         ql_dbg(ql_dbg_init, vha, 0x0149,
1868                             "ISP%04X: Host registration with firmware\n",
1869                             ha->pdev->device);
1870                         ql_dbg(ql_dbg_init, vha, 0x014a,
1871                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1872                             phost_info->os_type,
1873                             phost_info->sysname,
1874                             phost_info->nodename);
1875                         ql_dbg(ql_dbg_init, vha, 0x014b,
1876                             "release = '%s', version = '%s'\n",
1877                             phost_info->release,
1878                             phost_info->version);
1879                         ql_dbg(ql_dbg_init, vha, 0x014c,
1880                             "machine = '%s' "
1881                             "domainname = '%s', hostdriver = '%s'\n",
1882                             phost_info->machine,
1883                             phost_info->domainname,
1884                             phost_info->hostdriver);
1885                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1886                             (uint8_t *)phost_info,
1887                             sizeof(struct host_system_info));
1888                 }
1889         }
1890
1891         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1892                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1893                     fdisc->u.fxiocb.rsp_len,
1894                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1895                 if (!fdisc->u.fxiocb.rsp_addr)
1896                         goto done_unmap_req;
1897         }
1898
1899         sp->type = SRB_FXIOCB_DCMD;
1900         sp->name = "fxdisc";
1901         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1902         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1903         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1904         sp->done = qla2x00_fxdisc_sp_done;
1905
1906         rval = qla2x00_start_sp(sp);
1907         if (rval != QLA_SUCCESS)
1908                 goto done_unmap_dma;
1909
1910         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1911
1912         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1913                 struct config_info_data *pinfo =
1914                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1915                 strcpy(vha->hw->model_number, pinfo->model_num);
1916                 strcpy(vha->hw->model_desc, pinfo->model_description);
1917                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1918                     sizeof(vha->hw->mr.symbolic_name));
1919                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1920                     sizeof(vha->hw->mr.serial_num));
1921                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1922                     sizeof(vha->hw->mr.hw_version));
1923                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1924                     sizeof(vha->hw->mr.fw_version));
1925                 strim(vha->hw->mr.fw_version);
1926                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1927                     sizeof(vha->hw->mr.uboot_version));
1928                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1929                     sizeof(vha->hw->mr.fru_serial_num));
1930                 vha->hw->mr.critical_temperature =
1931                     (pinfo->nominal_temp_value) ?
1932                     pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1933                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1934                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1935         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1936                 struct port_info_data *pinfo =
1937                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1938                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1939                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1940                 vha->d_id.b.domain = pinfo->port_id[0];
1941                 vha->d_id.b.area = pinfo->port_id[1];
1942                 vha->d_id.b.al_pa = pinfo->port_id[2];
1943                 qlafx00_update_host_attr(vha, pinfo);
1944                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1945                     (uint8_t *)pinfo, 16);
1946         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1947                 struct qlafx00_tgt_node_info *pinfo =
1948                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1949                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1950                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1951                 fcport->port_type = FCT_TARGET;
1952                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1953                     (uint8_t *)pinfo, 16);
1954         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1955                 struct qlafx00_tgt_node_info *pinfo =
1956                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1957                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1958                     (uint8_t *)pinfo, 16);
1959                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1960         } else if (fx_type == FXDISC_ABORT_IOCTL)
1961                 fdisc->u.fxiocb.result =
1962                     (fdisc->u.fxiocb.result ==
1963                         cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ?
1964                     cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
1965
1966         rval = le32_to_cpu(fdisc->u.fxiocb.result);
1967
1968 done_unmap_dma:
1969         if (fdisc->u.fxiocb.rsp_addr)
1970                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
1971                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
1972
1973 done_unmap_req:
1974         if (fdisc->u.fxiocb.req_addr)
1975                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
1976                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
1977 done_free_sp:
1978         sp->free(vha, sp);
1979 done:
1980         return rval;
1981 }
1982
1983 /*
1984  * qlafx00_initialize_adapter
1985  *      Initialize board.
1986  *
1987  * Input:
1988  *      ha = adapter block pointer.
1989  *
1990  * Returns:
1991  *      0 = success
1992  */
1993 int
1994 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
1995 {
1996         int     rval;
1997         struct qla_hw_data *ha = vha->hw;
1998         uint32_t tempc;
1999
2000         /* Clear adapter flags. */
2001         vha->flags.online = 0;
2002         ha->flags.chip_reset_done = 0;
2003         vha->flags.reset_active = 0;
2004         ha->flags.pci_channel_io_perm_failure = 0;
2005         ha->flags.eeh_busy = 0;
2006         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2007         atomic_set(&vha->loop_state, LOOP_DOWN);
2008         vha->device_flags = DFLG_NO_CABLE;
2009         vha->dpc_flags = 0;
2010         vha->flags.management_server_logged_in = 0;
2011         ha->isp_abort_cnt = 0;
2012         ha->beacon_blink_led = 0;
2013
2014         set_bit(0, ha->req_qid_map);
2015         set_bit(0, ha->rsp_qid_map);
2016
2017         ql_dbg(ql_dbg_init, vha, 0x0147,
2018             "Configuring PCI space...\n");
2019
2020         rval = ha->isp_ops->pci_config(vha);
2021         if (rval) {
2022                 ql_log(ql_log_warn, vha, 0x0148,
2023                     "Unable to configure PCI space.\n");
2024                 return rval;
2025         }
2026
2027         rval = qlafx00_init_fw_ready(vha);
2028         if (rval != QLA_SUCCESS)
2029                 return rval;
2030
2031         qlafx00_save_queue_ptrs(vha);
2032
2033         rval = qlafx00_config_queues(vha);
2034         if (rval != QLA_SUCCESS)
2035                 return rval;
2036
2037         /*
2038          * Allocate the array of outstanding commands
2039          * now that we know the firmware resources.
2040          */
2041         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2042         if (rval != QLA_SUCCESS)
2043                 return rval;
2044
2045         rval = qla2x00_init_rings(vha);
2046         ha->flags.chip_reset_done = 1;
2047
2048         tempc = QLAFX00_GET_TEMPERATURE(ha);
2049         ql_dbg(ql_dbg_init, vha, 0x0152,
2050             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2051             __func__, tempc);
2052
2053         return rval;
2054 }
2055
2056 uint32_t
2057 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2058                       char *buf)
2059 {
2060         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2061         int rval = QLA_FUNCTION_FAILED;
2062         uint32_t state[1];
2063
2064         if (qla2x00_reset_active(vha))
2065                 ql_log(ql_log_warn, vha, 0x70ce,
2066                     "ISP reset active.\n");
2067         else if (!vha->hw->flags.eeh_busy) {
2068                 rval = qlafx00_get_firmware_state(vha, state);
2069         }
2070         if (rval != QLA_SUCCESS)
2071                 memset(state, -1, sizeof(state));
2072
2073         return state[0];
2074 }
2075
2076 void
2077 qlafx00_get_host_speed(struct Scsi_Host *shost)
2078 {
2079         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2080                                         (shost_priv(shost)))->hw;
2081         u32 speed = FC_PORTSPEED_UNKNOWN;
2082
2083         switch (ha->link_data_rate) {
2084         case QLAFX00_PORT_SPEED_2G:
2085                 speed = FC_PORTSPEED_2GBIT;
2086                 break;
2087         case QLAFX00_PORT_SPEED_4G:
2088                 speed = FC_PORTSPEED_4GBIT;
2089                 break;
2090         case QLAFX00_PORT_SPEED_8G:
2091                 speed = FC_PORTSPEED_8GBIT;
2092                 break;
2093         case QLAFX00_PORT_SPEED_10G:
2094                 speed = FC_PORTSPEED_10GBIT;
2095                 break;
2096         }
2097         fc_host_speed(shost) = speed;
2098 }
2099
2100 /** QLAFX00 specific ISR implementation functions */
2101
2102 static inline void
2103 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2104                      uint32_t sense_len, struct rsp_que *rsp, int res)
2105 {
2106         struct scsi_qla_host *vha = sp->fcport->vha;
2107         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2108         uint32_t track_sense_len;
2109
2110         SET_FW_SENSE_LEN(sp, sense_len);
2111
2112         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2113                 sense_len = SCSI_SENSE_BUFFERSIZE;
2114
2115         SET_CMD_SENSE_LEN(sp, sense_len);
2116         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2117         track_sense_len = sense_len;
2118
2119         if (sense_len > par_sense_len)
2120                 sense_len = par_sense_len;
2121
2122         memcpy(cp->sense_buffer, sense_data, sense_len);
2123
2124         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2125
2126         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2127         track_sense_len -= sense_len;
2128         SET_CMD_SENSE_LEN(sp, track_sense_len);
2129
2130         ql_dbg(ql_dbg_io, vha, 0x304d,
2131             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2132             sense_len, par_sense_len, track_sense_len);
2133         if (GET_FW_SENSE_LEN(sp) > 0) {
2134                 rsp->status_srb = sp;
2135                 cp->result = res;
2136         }
2137
2138         if (sense_len) {
2139                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2140                     "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2141                     sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2142                     cp);
2143                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2144                     cp->sense_buffer, sense_len);
2145         }
2146 }
2147
2148 static void
2149 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2150                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2151                       __le16 sstatus, __le16 cpstatus)
2152 {
2153         struct srb_iocb *tmf;
2154
2155         tmf = &sp->u.iocb_cmd;
2156         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2157             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2158                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2159         tmf->u.tmf.comp_status = cpstatus;
2160         sp->done(vha, sp, 0);
2161 }
2162
2163 static void
2164 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2165                          struct abort_iocb_entry_fx00 *pkt)
2166 {
2167         const char func[] = "ABT_IOCB";
2168         srb_t *sp;
2169         struct srb_iocb *abt;
2170
2171         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2172         if (!sp)
2173                 return;
2174
2175         abt = &sp->u.iocb_cmd;
2176         abt->u.abt.comp_status = pkt->tgt_id_sts;
2177         sp->done(vha, sp, 0);
2178 }
2179
2180 static void
2181 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2182                          struct ioctl_iocb_entry_fx00 *pkt)
2183 {
2184         const char func[] = "IOSB_IOCB";
2185         srb_t *sp;
2186         struct fc_bsg_job *bsg_job;
2187         struct srb_iocb *iocb_job;
2188         int res;
2189         struct qla_mt_iocb_rsp_fx00 fstatus;
2190         uint8_t *fw_sts_ptr;
2191
2192         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2193         if (!sp)
2194                 return;
2195
2196         if (sp->type == SRB_FXIOCB_DCMD) {
2197                 iocb_job = &sp->u.iocb_cmd;
2198                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2199                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2200                 iocb_job->u.fxiocb.result = pkt->status;
2201                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2202                         iocb_job->u.fxiocb.req_data =
2203                             pkt->dataword_r;
2204         } else {
2205                 bsg_job = sp->u.bsg_job;
2206
2207                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2208
2209                 fstatus.reserved_1 = pkt->reserved_0;
2210                 fstatus.func_type = pkt->comp_func_num;
2211                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2212                 fstatus.ioctl_data = pkt->dataword_r;
2213                 fstatus.adapid = pkt->adapid;
2214                 fstatus.reserved_2 = pkt->dataword_r_extra;
2215                 fstatus.res_count = pkt->residuallen;
2216                 fstatus.status = pkt->status;
2217                 fstatus.seq_number = pkt->seq_no;
2218                 memcpy(fstatus.reserved_3,
2219                     pkt->reserved_2, 20 * sizeof(uint8_t));
2220
2221                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2222                     sizeof(struct fc_bsg_reply);
2223
2224                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2225                     sizeof(struct qla_mt_iocb_rsp_fx00));
2226                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2227                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2228
2229                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2230                     sp->fcport->vha, 0x5080,
2231                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2232
2233                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2234                     sp->fcport->vha, 0x5074,
2235                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2236
2237                 res = bsg_job->reply->result = DID_OK << 16;
2238                 bsg_job->reply->reply_payload_rcv_len =
2239                     bsg_job->reply_payload.payload_len;
2240         }
2241         sp->done(vha, sp, res);
2242 }
2243
2244 /**
2245  * qlafx00_status_entry() - Process a Status IOCB entry.
2246  * @ha: SCSI driver HA context
2247  * @pkt: Entry pointer
2248  */
2249 static void
2250 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2251 {
2252         srb_t           *sp;
2253         fc_port_t       *fcport;
2254         struct scsi_cmnd *cp;
2255         struct sts_entry_fx00 *sts;
2256         __le16          comp_status;
2257         __le16          scsi_status;
2258         __le16          lscsi_status;
2259         int32_t         resid;
2260         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2261             fw_resid_len;
2262         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2263         struct qla_hw_data *ha = vha->hw;
2264         uint32_t hindex, handle;
2265         uint16_t que;
2266         struct req_que *req;
2267         int logit = 1;
2268         int res = 0;
2269
2270         sts = (struct sts_entry_fx00 *) pkt;
2271
2272         comp_status = sts->comp_status;
2273         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2274         hindex = sts->handle;
2275         handle = LSW(hindex);
2276
2277         que = MSW(hindex);
2278         req = ha->req_q_map[que];
2279
2280         /* Validate handle. */
2281         if (handle < req->num_outstanding_cmds)
2282                 sp = req->outstanding_cmds[handle];
2283         else
2284                 sp = NULL;
2285
2286         if (sp == NULL) {
2287                 ql_dbg(ql_dbg_io, vha, 0x3034,
2288                     "Invalid status handle (0x%x).\n", handle);
2289
2290                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2291                 qla2xxx_wake_dpc(vha);
2292                 return;
2293         }
2294
2295         if (sp->type == SRB_TM_CMD) {
2296                 req->outstanding_cmds[handle] = NULL;
2297                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2298                     scsi_status, comp_status);
2299                 return;
2300         }
2301
2302         /* Fast path completion. */
2303         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2304                 qla2x00_process_completed_request(vha, req, handle);
2305                 return;
2306         }
2307
2308         req->outstanding_cmds[handle] = NULL;
2309         cp = GET_CMD_SP(sp);
2310         if (cp == NULL) {
2311                 ql_dbg(ql_dbg_io, vha, 0x3048,
2312                     "Command already returned (0x%x/%p).\n",
2313                     handle, sp);
2314
2315                 return;
2316         }
2317
2318         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2319
2320         fcport = sp->fcport;
2321
2322         sense_len = par_sense_len = rsp_info_len = resid_len =
2323                 fw_resid_len = 0;
2324         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2325                 sense_len = sts->sense_len;
2326         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2327             | (uint16_t)SS_RESIDUAL_OVER)))
2328                 resid_len = le32_to_cpu(sts->residual_len);
2329         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2330                 fw_resid_len = le32_to_cpu(sts->residual_len);
2331         rsp_info = sense_data = sts->data;
2332         par_sense_len = sizeof(sts->data);
2333
2334         /* Check for overrun. */
2335         if (comp_status == CS_COMPLETE &&
2336             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2337                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2338
2339         /*
2340          * Based on Host and scsi status generate status code for Linux
2341          */
2342         switch (le16_to_cpu(comp_status)) {
2343         case CS_COMPLETE:
2344         case CS_QUEUE_FULL:
2345                 if (scsi_status == 0) {
2346                         res = DID_OK << 16;
2347                         break;
2348                 }
2349                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2350                     | (uint16_t)SS_RESIDUAL_OVER))) {
2351                         resid = resid_len;
2352                         scsi_set_resid(cp, resid);
2353
2354                         if (!lscsi_status &&
2355                             ((unsigned)(scsi_bufflen(cp) - resid) <
2356                              cp->underflow)) {
2357                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2358                                     "Mid-layer underflow "
2359                                     "detected (0x%x of 0x%x bytes).\n",
2360                                     resid, scsi_bufflen(cp));
2361
2362                                 res = DID_ERROR << 16;
2363                                 break;
2364                         }
2365                 }
2366                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2367
2368                 if (lscsi_status ==
2369                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2370                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2371                             "QUEUE FULL detected.\n");
2372                         break;
2373                 }
2374                 logit = 0;
2375                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2376                         break;
2377
2378                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2379                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2380                         break;
2381
2382                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2383                     rsp, res);
2384                 break;
2385
2386         case CS_DATA_UNDERRUN:
2387                 /* Use F/W calculated residual length. */
2388                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2389                         resid = fw_resid_len;
2390                 else
2391                         resid = resid_len;
2392                 scsi_set_resid(cp, resid);
2393                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2394                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2395                             && fw_resid_len != resid_len) {
2396                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2397                                     "Dropped frame(s) detected "
2398                                     "(0x%x of 0x%x bytes).\n",
2399                                     resid, scsi_bufflen(cp));
2400
2401                                 res = DID_ERROR << 16 |
2402                                     le16_to_cpu(lscsi_status);
2403                                 goto check_scsi_status;
2404                         }
2405
2406                         if (!lscsi_status &&
2407                             ((unsigned)(scsi_bufflen(cp) - resid) <
2408                             cp->underflow)) {
2409                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2410                                     "Mid-layer underflow "
2411                                     "detected (0x%x of 0x%x bytes, "
2412                                     "cp->underflow: 0x%x).\n",
2413                                     resid, scsi_bufflen(cp), cp->underflow);
2414
2415                                 res = DID_ERROR << 16;
2416                                 break;
2417                         }
2418                 } else if (lscsi_status !=
2419                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2420                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2421                         /*
2422                          * scsi status of task set and busy are considered
2423                          * to be task not completed.
2424                          */
2425
2426                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2427                             "Dropped frame(s) detected (0x%x "
2428                             "of 0x%x bytes).\n", resid,
2429                             scsi_bufflen(cp));
2430
2431                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2432                         goto check_scsi_status;
2433                 } else {
2434                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2435                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2436                             scsi_status, lscsi_status);
2437                 }
2438
2439                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2440                 logit = 0;
2441
2442 check_scsi_status:
2443                 /*
2444                  * Check to see if SCSI Status is non zero. If so report SCSI
2445                  * Status.
2446                  */
2447                 if (lscsi_status != 0) {
2448                         if (lscsi_status ==
2449                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2450                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2451                                     "QUEUE FULL detected.\n");
2452                                 logit = 1;
2453                                 break;
2454                         }
2455                         if (lscsi_status !=
2456                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2457                                 break;
2458
2459                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2460                         if (!(scsi_status &
2461                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2462                                 break;
2463
2464                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2465                             sense_len, rsp, res);
2466                 }
2467                 break;
2468
2469         case CS_PORT_LOGGED_OUT:
2470         case CS_PORT_CONFIG_CHG:
2471         case CS_PORT_BUSY:
2472         case CS_INCOMPLETE:
2473         case CS_PORT_UNAVAILABLE:
2474         case CS_TIMEOUT:
2475         case CS_RESET:
2476
2477                 /*
2478                  * We are going to have the fc class block the rport
2479                  * while we try to recover so instruct the mid layer
2480                  * to requeue until the class decides how to handle this.
2481                  */
2482                 res = DID_TRANSPORT_DISRUPTED << 16;
2483
2484                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2485                     "Port down status: port-state=0x%x.\n",
2486                     atomic_read(&fcport->state));
2487
2488                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2489                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2490                 break;
2491
2492         case CS_ABORTED:
2493                 res = DID_RESET << 16;
2494                 break;
2495
2496         default:
2497                 res = DID_ERROR << 16;
2498                 break;
2499         }
2500
2501         if (logit)
2502                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2503                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2504                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2505                     "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2506                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2507                     comp_status, scsi_status, res, vha->host_no,
2508                     cp->device->id, cp->device->lun, fcport->tgt_id,
2509                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2510                     rsp_info, resid_len, fw_resid_len, sense_len,
2511                     par_sense_len, rsp_info_len);
2512
2513         if (rsp->status_srb == NULL)
2514                 sp->done(ha, sp, res);
2515 }
2516
2517 /**
2518  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2519  * @ha: SCSI driver HA context
2520  * @pkt: Entry pointer
2521  *
2522  * Extended sense data.
2523  */
2524 static void
2525 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2526 {
2527         uint8_t sense_sz = 0;
2528         struct qla_hw_data *ha = rsp->hw;
2529         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2530         srb_t *sp = rsp->status_srb;
2531         struct scsi_cmnd *cp;
2532         uint32_t sense_len;
2533         uint8_t *sense_ptr;
2534
2535         if (!sp) {
2536                 ql_dbg(ql_dbg_io, vha, 0x3037,
2537                     "no SP, sp = %p\n", sp);
2538                 return;
2539         }
2540
2541         if (!GET_FW_SENSE_LEN(sp)) {
2542                 ql_dbg(ql_dbg_io, vha, 0x304b,
2543                     "no fw sense data, sp = %p\n", sp);
2544                 return;
2545         }
2546         cp = GET_CMD_SP(sp);
2547         if (cp == NULL) {
2548                 ql_log(ql_log_warn, vha, 0x303b,
2549                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2550
2551                 rsp->status_srb = NULL;
2552                 return;
2553         }
2554
2555         if (!GET_CMD_SENSE_LEN(sp)) {
2556                 ql_dbg(ql_dbg_io, vha, 0x304c,
2557                     "no sense data, sp = %p\n", sp);
2558         } else {
2559                 sense_len = GET_CMD_SENSE_LEN(sp);
2560                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2561                 ql_dbg(ql_dbg_io, vha, 0x304f,
2562                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2563                     sp, sense_len, sense_ptr);
2564
2565                 if (sense_len > sizeof(pkt->data))
2566                         sense_sz = sizeof(pkt->data);
2567                 else
2568                         sense_sz = sense_len;
2569
2570                 /* Move sense data. */
2571                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2572                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2573                 memcpy(sense_ptr, pkt->data, sense_sz);
2574                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2575                     sense_ptr, sense_sz);
2576
2577                 sense_len -= sense_sz;
2578                 sense_ptr += sense_sz;
2579
2580                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2581                 SET_CMD_SENSE_LEN(sp, sense_len);
2582         }
2583         sense_len = GET_FW_SENSE_LEN(sp);
2584         sense_len = (sense_len > sizeof(pkt->data)) ?
2585             (sense_len - sizeof(pkt->data)) : 0;
2586         SET_FW_SENSE_LEN(sp, sense_len);
2587
2588         /* Place command on done queue. */
2589         if (sense_len == 0) {
2590                 rsp->status_srb = NULL;
2591                 sp->done(ha, sp, cp->result);
2592         }
2593 }
2594
2595 /**
2596  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2597  * @ha: SCSI driver HA context
2598  */
2599 static void
2600 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2601         struct rsp_que *rsp, void *pkt)
2602 {
2603         srb_t           *sp;
2604         struct multi_sts_entry_fx00 *stsmfx;
2605         struct qla_hw_data *ha = vha->hw;
2606         uint32_t handle, hindex, handle_count, i;
2607         uint16_t que;
2608         struct req_que *req;
2609         __le32 *handle_ptr;
2610
2611         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2612
2613         handle_count = stsmfx->handle_count;
2614
2615         if (handle_count > MAX_HANDLE_COUNT) {
2616                 ql_dbg(ql_dbg_io, vha, 0x3035,
2617                     "Invalid handle count (0x%x).\n", handle_count);
2618                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2619                 qla2xxx_wake_dpc(vha);
2620                 return;
2621         }
2622
2623         handle_ptr =  &stsmfx->handles[0];
2624
2625         for (i = 0; i < handle_count; i++) {
2626                 hindex = le32_to_cpu(*handle_ptr);
2627                 handle = LSW(hindex);
2628                 que = MSW(hindex);
2629                 req = ha->req_q_map[que];
2630
2631                 /* Validate handle. */
2632                 if (handle < req->num_outstanding_cmds)
2633                         sp = req->outstanding_cmds[handle];
2634                 else
2635                         sp = NULL;
2636
2637                 if (sp == NULL) {
2638                         ql_dbg(ql_dbg_io, vha, 0x3044,
2639                             "Invalid status handle (0x%x).\n", handle);
2640                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2641                         qla2xxx_wake_dpc(vha);
2642                         return;
2643                 }
2644                 qla2x00_process_completed_request(vha, req, handle);
2645                 handle_ptr++;
2646         }
2647 }
2648
2649 /**
2650  * qlafx00_error_entry() - Process an error entry.
2651  * @ha: SCSI driver HA context
2652  * @pkt: Entry pointer
2653  */
2654 static void
2655 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2656                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2657 {
2658         srb_t *sp;
2659         struct qla_hw_data *ha = vha->hw;
2660         const char func[] = "ERROR-IOCB";
2661         uint16_t que = 0;
2662         struct req_que *req = NULL;
2663         int res = DID_ERROR << 16;
2664
2665         ql_dbg(ql_dbg_async, vha, 0x507f,
2666             "type of error status in response: 0x%x\n", estatus);
2667
2668         req = ha->req_q_map[que];
2669
2670         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2671         if (sp) {
2672                 sp->done(ha, sp, res);
2673                 return;
2674         }
2675
2676         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2677         qla2xxx_wake_dpc(vha);
2678 }
2679
2680 /**
2681  * qlafx00_process_response_queue() - Process response queue entries.
2682  * @ha: SCSI driver HA context
2683  */
2684 static void
2685 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2686         struct rsp_que *rsp)
2687 {
2688         struct sts_entry_fx00 *pkt;
2689         response_t *lptr;
2690         uint16_t lreq_q_in = 0;
2691         uint16_t lreq_q_out = 0;
2692
2693         lreq_q_in = RD_REG_DWORD(rsp->rsp_q_in);
2694         lreq_q_out = rsp->ring_index;
2695
2696         while (lreq_q_in != lreq_q_out) {
2697                 lptr = rsp->ring_ptr;
2698                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2699                     sizeof(rsp->rsp_pkt));
2700                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2701
2702                 rsp->ring_index++;
2703                 lreq_q_out++;
2704                 if (rsp->ring_index == rsp->length) {
2705                         lreq_q_out = 0;
2706                         rsp->ring_index = 0;
2707                         rsp->ring_ptr = rsp->ring;
2708                 } else {
2709                         rsp->ring_ptr++;
2710                 }
2711
2712                 if (pkt->entry_status != 0 &&
2713                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2714                         qlafx00_error_entry(vha, rsp,
2715                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2716                             pkt->entry_type);
2717                         continue;
2718                 }
2719
2720                 switch (pkt->entry_type) {
2721                 case STATUS_TYPE_FX00:
2722                         qlafx00_status_entry(vha, rsp, pkt);
2723                         break;
2724
2725                 case STATUS_CONT_TYPE_FX00:
2726                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2727                         break;
2728
2729                 case MULTI_STATUS_TYPE_FX00:
2730                         qlafx00_multistatus_entry(vha, rsp, pkt);
2731                         break;
2732
2733                 case ABORT_IOCB_TYPE_FX00:
2734                         qlafx00_abort_iocb_entry(vha, rsp->req,
2735                            (struct abort_iocb_entry_fx00 *)pkt);
2736                         break;
2737
2738                 case IOCTL_IOSB_TYPE_FX00:
2739                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2740                             (struct ioctl_iocb_entry_fx00 *)pkt);
2741                         break;
2742                 default:
2743                         /* Type Not Supported. */
2744                         ql_dbg(ql_dbg_async, vha, 0x5081,
2745                             "Received unknown response pkt type %x "
2746                             "entry status=%x.\n",
2747                             pkt->entry_type, pkt->entry_status);
2748                         break;
2749                 }
2750         }
2751
2752         /* Adjust ring index */
2753         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2754 }
2755
2756 /**
2757  * qlafx00_async_event() - Process aynchronous events.
2758  * @ha: SCSI driver HA context
2759  */
2760 static void
2761 qlafx00_async_event(scsi_qla_host_t *vha)
2762 {
2763         struct qla_hw_data *ha = vha->hw;
2764         struct device_reg_fx00 __iomem *reg;
2765         int data_size = 1;
2766
2767         reg = &ha->iobase->ispfx00;
2768         /* Setup to process RIO completion. */
2769         switch (ha->aenmb[0]) {
2770         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2771                 ql_log(ql_log_warn, vha, 0x5079,
2772                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2773                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2774                 break;
2775
2776         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2777                 ql_dbg(ql_dbg_async, vha, 0x5076,
2778                     "Asynchronous FW shutdown requested.\n");
2779                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2780                 qla2xxx_wake_dpc(vha);
2781                 break;
2782
2783         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2784                 ha->aenmb[1] = RD_REG_DWORD(&reg->aenmailbox1);
2785                 ha->aenmb[2] = RD_REG_DWORD(&reg->aenmailbox2);
2786                 ha->aenmb[3] = RD_REG_DWORD(&reg->aenmailbox3);
2787                 ql_dbg(ql_dbg_async, vha, 0x5077,
2788                     "Asynchronous port Update received "
2789                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2790                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2791                 data_size = 4;
2792                 break;
2793
2794         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2795                 ql_log(ql_log_info, vha, 0x5085,
2796                     "Asynchronous over temperature event received "
2797                     "aenmb[0]: %x\n",
2798                     ha->aenmb[0]);
2799                 break;
2800
2801         case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2802                 ql_log(ql_log_info, vha, 0x5086,
2803                     "Asynchronous normal temperature event received "
2804                     "aenmb[0]: %x\n",
2805                     ha->aenmb[0]);
2806                 break;
2807
2808         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2809                 ql_log(ql_log_info, vha, 0x5083,
2810                     "Asynchronous critical temperature event received "
2811                     "aenmb[0]: %x\n",
2812                 ha->aenmb[0]);
2813                 break;
2814
2815         default:
2816                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2817                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2818                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2819                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2820                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2821                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2822                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2823                 ql_dbg(ql_dbg_async, vha, 0x5078,
2824                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2825                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2826                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2827                 break;
2828         }
2829         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2830             (uint32_t *)ha->aenmb, data_size);
2831 }
2832
2833 /**
2834  *
2835  * qlafx00x_mbx_completion() - Process mailbox command completions.
2836  * @ha: SCSI driver HA context
2837  * @mb16: Mailbox16 register
2838  */
2839 static void
2840 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2841 {
2842         uint16_t        cnt;
2843         uint32_t __iomem *wptr;
2844         struct qla_hw_data *ha = vha->hw;
2845         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2846
2847         if (!ha->mcp32)
2848                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2849
2850         /* Load return mailbox registers. */
2851         ha->flags.mbox_int = 1;
2852         ha->mailbox_out32[0] = mb0;
2853         wptr = (uint32_t __iomem *)&reg->mailbox17;
2854
2855         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2856                 ha->mailbox_out32[cnt] = RD_REG_DWORD(wptr);
2857                 wptr++;
2858         }
2859 }
2860
2861 /**
2862  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2863  * @irq:
2864  * @dev_id: SCSI driver HA context
2865  *
2866  * Called by system whenever the host adapter generates an interrupt.
2867  *
2868  * Returns handled flag.
2869  */
2870 irqreturn_t
2871 qlafx00_intr_handler(int irq, void *dev_id)
2872 {
2873         scsi_qla_host_t *vha;
2874         struct qla_hw_data *ha;
2875         struct device_reg_fx00 __iomem *reg;
2876         int             status;
2877         unsigned long   iter;
2878         uint32_t        stat;
2879         uint32_t        mb[8];
2880         struct rsp_que *rsp;
2881         unsigned long   flags;
2882         uint32_t clr_intr = 0;
2883         uint32_t intr_stat = 0;
2884
2885         rsp = (struct rsp_que *) dev_id;
2886         if (!rsp) {
2887                 ql_log(ql_log_info, NULL, 0x507d,
2888                     "%s: NULL response queue pointer.\n", __func__);
2889                 return IRQ_NONE;
2890         }
2891
2892         ha = rsp->hw;
2893         reg = &ha->iobase->ispfx00;
2894         status = 0;
2895
2896         if (unlikely(pci_channel_offline(ha->pdev)))
2897                 return IRQ_HANDLED;
2898
2899         spin_lock_irqsave(&ha->hardware_lock, flags);
2900         vha = pci_get_drvdata(ha->pdev);
2901         for (iter = 50; iter--; clr_intr = 0) {
2902                 stat = QLAFX00_RD_INTR_REG(ha);
2903                 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2904                         break;
2905                 intr_stat = stat & QLAFX00_HST_INT_STS_BITS;
2906                 if (!intr_stat)
2907                         break;
2908
2909                 if (stat & QLAFX00_INTR_MB_CMPLT) {
2910                         mb[0] = RD_REG_WORD(&reg->mailbox16);
2911                         qlafx00_mbx_completion(vha, mb[0]);
2912                         status |= MBX_INTERRUPT;
2913                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
2914                 }
2915                 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) {
2916                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
2917                         qlafx00_async_event(vha);
2918                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
2919                 }
2920                 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) {
2921                         qlafx00_process_response_queue(vha, rsp);
2922                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
2923                 }
2924
2925                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
2926                 QLAFX00_RD_INTR_REG(ha);
2927         }
2928
2929         qla2x00_handle_mbx_completion(ha, status);
2930         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2931
2932         return IRQ_HANDLED;
2933 }
2934
2935 /** QLAFX00 specific IOCB implementation functions */
2936
2937 static inline cont_a64_entry_t *
2938 qlafx00_prep_cont_type1_iocb(struct req_que *req,
2939                              cont_a64_entry_t *lcont_pkt)
2940 {
2941         cont_a64_entry_t *cont_pkt;
2942
2943         /* Adjust ring index. */
2944         req->ring_index++;
2945         if (req->ring_index == req->length) {
2946                 req->ring_index = 0;
2947                 req->ring_ptr = req->ring;
2948         } else {
2949                 req->ring_ptr++;
2950         }
2951
2952         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
2953
2954         /* Load packet defaults. */
2955         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
2956
2957         return cont_pkt;
2958 }
2959
2960 static inline void
2961 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
2962                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
2963 {
2964         uint16_t        avail_dsds;
2965         __le32 *cur_dsd;
2966         scsi_qla_host_t *vha;
2967         struct scsi_cmnd *cmd;
2968         struct scatterlist *sg;
2969         int i, cont;
2970         struct req_que *req;
2971         cont_a64_entry_t lcont_pkt;
2972         cont_a64_entry_t *cont_pkt;
2973
2974         vha = sp->fcport->vha;
2975         req = vha->req;
2976
2977         cmd = GET_CMD_SP(sp);
2978         cont = 0;
2979         cont_pkt = NULL;
2980
2981         /* Update entry type to indicate Command Type 3 IOCB */
2982         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
2983
2984         /* No data transfer */
2985         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
2986                 lcmd_pkt->byte_count = cpu_to_le32(0);
2987                 return;
2988         }
2989
2990         /* Set transfer direction */
2991         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
2992                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
2993                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
2994         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
2995                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
2996                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
2997         }
2998
2999         /* One DSD is available in the Command Type 3 IOCB */
3000         avail_dsds = 1;
3001         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3002
3003         /* Load data segments */
3004         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3005                 dma_addr_t      sle_dma;
3006
3007                 /* Allocate additional continuation packets? */
3008                 if (avail_dsds == 0) {
3009                         /*
3010                          * Five DSDs are available in the Continuation
3011                          * Type 1 IOCB.
3012                          */
3013                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3014                         cont_pkt =
3015                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3016                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3017                         avail_dsds = 5;
3018                         cont = 1;
3019                 }
3020
3021                 sle_dma = sg_dma_address(sg);
3022                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3023                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3024                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3025                 avail_dsds--;
3026                 if (avail_dsds == 0 && cont == 1) {
3027                         cont = 0;
3028                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3029                             REQUEST_ENTRY_SIZE);
3030                 }
3031
3032         }
3033         if (avail_dsds != 0 && cont == 1) {
3034                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3035                     REQUEST_ENTRY_SIZE);
3036         }
3037 }
3038
3039 /**
3040  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3041  * @sp: command to send to the ISP
3042  *
3043  * Returns non-zero if a failure occurred, else zero.
3044  */
3045 int
3046 qlafx00_start_scsi(srb_t *sp)
3047 {
3048         int             nseg;
3049         unsigned long   flags;
3050         uint32_t        index;
3051         uint32_t        handle;
3052         uint16_t        cnt;
3053         uint16_t        req_cnt;
3054         uint16_t        tot_dsds;
3055         struct req_que *req = NULL;
3056         struct rsp_que *rsp = NULL;
3057         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3058         struct scsi_qla_host *vha = sp->fcport->vha;
3059         struct qla_hw_data *ha = vha->hw;
3060         struct cmd_type_7_fx00 *cmd_pkt;
3061         struct cmd_type_7_fx00 lcmd_pkt;
3062         struct scsi_lun llun;
3063
3064         /* Setup device pointers. */
3065         rsp = ha->rsp_q_map[0];
3066         req = vha->req;
3067
3068         /* So we know we haven't pci_map'ed anything yet */
3069         tot_dsds = 0;
3070
3071         /* Acquire ring specific lock */
3072         spin_lock_irqsave(&ha->hardware_lock, flags);
3073
3074         /* Check for room in outstanding command list. */
3075         handle = req->current_outstanding_cmd;
3076         for (index = 1; index < req->num_outstanding_cmds; index++) {
3077                 handle++;
3078                 if (handle == req->num_outstanding_cmds)
3079                         handle = 1;
3080                 if (!req->outstanding_cmds[handle])
3081                         break;
3082         }
3083         if (index == req->num_outstanding_cmds)
3084                 goto queuing_error;
3085
3086         /* Map the sg table so we have an accurate count of sg entries needed */
3087         if (scsi_sg_count(cmd)) {
3088                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3089                     scsi_sg_count(cmd), cmd->sc_data_direction);
3090                 if (unlikely(!nseg))
3091                         goto queuing_error;
3092         } else
3093                 nseg = 0;
3094
3095         tot_dsds = nseg;
3096         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3097         if (req->cnt < (req_cnt + 2)) {
3098                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3099
3100                 if (req->ring_index < cnt)
3101                         req->cnt = cnt - req->ring_index;
3102                 else
3103                         req->cnt = req->length -
3104                                 (req->ring_index - cnt);
3105                 if (req->cnt < (req_cnt + 2))
3106                         goto queuing_error;
3107         }
3108
3109         /* Build command packet. */
3110         req->current_outstanding_cmd = handle;
3111         req->outstanding_cmds[handle] = sp;
3112         sp->handle = handle;
3113         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3114         req->cnt -= req_cnt;
3115
3116         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3117
3118         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3119
3120         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3121         lcmd_pkt.reserved_0 = 0;
3122         lcmd_pkt.port_path_ctrl = 0;
3123         lcmd_pkt.reserved_1 = 0;
3124         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3125         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3126
3127         int_to_scsilun(cmd->device->lun, &llun);
3128         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3129             sizeof(lcmd_pkt.lun));
3130
3131         /* Load SCSI command packet. */
3132         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3133         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3134
3135         /* Build IOCB segments */
3136         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3137
3138         /* Set total data segment count. */
3139         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3140
3141         /* Specify response queue number where completion should happen */
3142         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3143
3144         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3145             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3146         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3147             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3148
3149         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3150         wmb();
3151
3152         /* Adjust ring index. */
3153         req->ring_index++;
3154         if (req->ring_index == req->length) {
3155                 req->ring_index = 0;
3156                 req->ring_ptr = req->ring;
3157         } else
3158                 req->ring_ptr++;
3159
3160         sp->flags |= SRB_DMA_VALID;
3161
3162         /* Set chip new ring index. */
3163         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3164         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3165
3166         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3167         return QLA_SUCCESS;
3168
3169 queuing_error:
3170         if (tot_dsds)
3171                 scsi_dma_unmap(cmd);
3172
3173         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3174
3175         return QLA_FUNCTION_FAILED;
3176 }
3177
3178 void
3179 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3180 {
3181         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3182         scsi_qla_host_t *vha = sp->fcport->vha;
3183         struct req_que *req = vha->req;
3184         struct tsk_mgmt_entry_fx00 tm_iocb;
3185         struct scsi_lun llun;
3186
3187         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3188         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3189         tm_iocb.entry_count = 1;
3190         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3191         tm_iocb.reserved_0 = 0;
3192         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3193         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3194         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3195                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3196                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3197                     sizeof(struct scsi_lun));
3198         }
3199
3200         memcpy((void *)ptm_iocb, &tm_iocb,
3201             sizeof(struct tsk_mgmt_entry_fx00));
3202         wmb();
3203 }
3204
3205 void
3206 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3207 {
3208         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3209         scsi_qla_host_t *vha = sp->fcport->vha;
3210         struct req_que *req = vha->req;
3211         struct abort_iocb_entry_fx00 abt_iocb;
3212
3213         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3214         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3215         abt_iocb.entry_count = 1;
3216         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3217         abt_iocb.abort_handle =
3218             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3219         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3220         abt_iocb.req_que_no = cpu_to_le16(req->id);
3221
3222         memcpy((void *)pabt_iocb, &abt_iocb,
3223             sizeof(struct abort_iocb_entry_fx00));
3224         wmb();
3225 }
3226
3227 void
3228 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3229 {
3230         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3231         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3232         struct fc_bsg_job *bsg_job;
3233         struct fxdisc_entry_fx00 fx_iocb;
3234         uint8_t entry_cnt = 1;
3235
3236         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3237         fx_iocb.entry_type = FX00_IOCB_TYPE;
3238         fx_iocb.handle = cpu_to_le32(sp->handle);
3239         fx_iocb.entry_count = entry_cnt;
3240
3241         if (sp->type == SRB_FXIOCB_DCMD) {
3242                 fx_iocb.func_num =
3243                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3244                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3245                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3246                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3247                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3248                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3249
3250                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3251                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3252                         fx_iocb.req_xfrcnt =
3253                             cpu_to_le16(fxio->u.fxiocb.req_len);
3254                         fx_iocb.dseg_rq_address[0] =
3255                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3256                         fx_iocb.dseg_rq_address[1] =
3257                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3258                         fx_iocb.dseg_rq_len =
3259                             cpu_to_le32(fxio->u.fxiocb.req_len);
3260                 }
3261
3262                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3263                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3264                         fx_iocb.rsp_xfrcnt =
3265                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3266                         fx_iocb.dseg_rsp_address[0] =
3267                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3268                         fx_iocb.dseg_rsp_address[1] =
3269                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3270                         fx_iocb.dseg_rsp_len =
3271                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3272                 }
3273
3274                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3275                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3276                 }
3277                 fx_iocb.flags = fxio->u.fxiocb.flags;
3278         } else {
3279                 struct scatterlist *sg;
3280                 bsg_job = sp->u.bsg_job;
3281                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3282                         &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3283
3284                 fx_iocb.func_num = piocb_rqst->func_type;
3285                 fx_iocb.adapid = piocb_rqst->adapid;
3286                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3287                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3288                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3289                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3290                 fx_iocb.dataword = piocb_rqst->dataword;
3291                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3292                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3293
3294                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3295                         int avail_dsds, tot_dsds;
3296                         cont_a64_entry_t lcont_pkt;
3297                         cont_a64_entry_t *cont_pkt = NULL;
3298                         __le32 *cur_dsd;
3299                         int index = 0, cont = 0;
3300
3301                         fx_iocb.req_dsdcnt =
3302                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3303                         tot_dsds =
3304                             bsg_job->request_payload.sg_cnt;
3305                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3306                         avail_dsds = 1;
3307                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3308                             tot_dsds, index) {
3309                                 dma_addr_t sle_dma;
3310
3311                                 /* Allocate additional continuation packets? */
3312                                 if (avail_dsds == 0) {
3313                                         /*
3314                                          * Five DSDs are available in the Cont.
3315                                          * Type 1 IOCB.
3316                                          */
3317                                         memset(&lcont_pkt, 0,
3318                                             REQUEST_ENTRY_SIZE);
3319                                         cont_pkt =
3320                                             qlafx00_prep_cont_type1_iocb(
3321                                                 sp->fcport->vha->req,
3322                                                 &lcont_pkt);
3323                                         cur_dsd = (__le32 *)
3324                                             lcont_pkt.dseg_0_address;
3325                                         avail_dsds = 5;
3326                                         cont = 1;
3327                                         entry_cnt++;
3328                                 }
3329
3330                                 sle_dma = sg_dma_address(sg);
3331                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3332                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3333                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3334                                 avail_dsds--;
3335
3336                                 if (avail_dsds == 0 && cont == 1) {
3337                                         cont = 0;
3338                                         memcpy_toio(
3339                                             (void __iomem *)cont_pkt,
3340                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3341                                         ql_dump_buffer(
3342                                             ql_dbg_user + ql_dbg_verbose,
3343                                             sp->fcport->vha, 0x3042,
3344                                             (uint8_t *)&lcont_pkt,
3345                                              REQUEST_ENTRY_SIZE);
3346                                 }
3347                         }
3348                         if (avail_dsds != 0 && cont == 1) {
3349                                 memcpy_toio((void __iomem *)cont_pkt,
3350                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3351                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3352                                     sp->fcport->vha, 0x3043,
3353                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3354                         }
3355                 }
3356
3357                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3358                         int avail_dsds, tot_dsds;
3359                         cont_a64_entry_t lcont_pkt;
3360                         cont_a64_entry_t *cont_pkt = NULL;
3361                         __le32 *cur_dsd;
3362                         int index = 0, cont = 0;
3363
3364                         fx_iocb.rsp_dsdcnt =
3365                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3366                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3367                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3368                         avail_dsds = 1;
3369
3370                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3371                             tot_dsds, index) {
3372                                 dma_addr_t sle_dma;
3373
3374                                 /* Allocate additional continuation packets? */
3375                                 if (avail_dsds == 0) {
3376                                         /*
3377                                         * Five DSDs are available in the Cont.
3378                                         * Type 1 IOCB.
3379                                         */
3380                                         memset(&lcont_pkt, 0,
3381                                             REQUEST_ENTRY_SIZE);
3382                                         cont_pkt =
3383                                             qlafx00_prep_cont_type1_iocb(
3384                                                 sp->fcport->vha->req,
3385                                                 &lcont_pkt);
3386                                         cur_dsd = (__le32 *)
3387                                             lcont_pkt.dseg_0_address;
3388                                         avail_dsds = 5;
3389                                         cont = 1;
3390                                         entry_cnt++;
3391                                 }
3392
3393                                 sle_dma = sg_dma_address(sg);
3394                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3395                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3396                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3397                                 avail_dsds--;
3398
3399                                 if (avail_dsds == 0 && cont == 1) {
3400                                         cont = 0;
3401                                         memcpy_toio((void __iomem *)cont_pkt,
3402                                             &lcont_pkt,
3403                                             REQUEST_ENTRY_SIZE);
3404                                         ql_dump_buffer(
3405                                             ql_dbg_user + ql_dbg_verbose,
3406                                             sp->fcport->vha, 0x3045,
3407                                             (uint8_t *)&lcont_pkt,
3408                                             REQUEST_ENTRY_SIZE);
3409                                 }
3410                         }
3411                         if (avail_dsds != 0 && cont == 1) {
3412                                 memcpy_toio((void __iomem *)cont_pkt,
3413                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3414                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3415                                     sp->fcport->vha, 0x3046,
3416                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3417                         }
3418                 }
3419
3420                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3421                         fx_iocb.dataword = piocb_rqst->dataword;
3422                 fx_iocb.flags = piocb_rqst->flags;
3423                 fx_iocb.entry_count = entry_cnt;
3424         }
3425
3426         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3427             sp->fcport->vha, 0x3047,
3428             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3429
3430         memcpy_toio((void __iomem *)pfxiocb, &fx_iocb,
3431             sizeof(struct fxdisc_entry_fx00));
3432         wmb();
3433 }