drivers/scsi/qla2xxx/qla_mr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2013 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/pci.h>
  10 #include <linux/ratelimit.h>
  11 #include <linux/vmalloc.h>
  12 #include <scsi/scsi_tcq.h>
  13 #include <linux/utsname.h>
  14
  15
  16 /* QLAFX00 specific Mailbox implementation functions */
  17
  18 /*
  19  * qlafx00_mailbox_command
  20  *      Issue mailbox command and waits for completion.
  21  *
  22  * Input:
  23  *      ha = adapter block pointer.
  24  *      mcp = driver internal mbx struct pointer.
  25  *
  26  * Output:
  27  *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
  28  *
  29  * Returns:
  30  *      0 : QLA_SUCCESS = cmd performed success
  31  *      1 : QLA_FUNCTION_FAILED   (error encountered)
  32  *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
  33  *
  34  * Context:
  35  *      Kernel context.
  36  */
  37 static int
  38 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
  39
  40 {
  41         int             rval;
  42         unsigned long    flags = 0;
  43         device_reg_t __iomem *reg;
  44         uint8_t         abort_active;
  45         uint8_t         io_lock_on;
  46         uint16_t        command = 0;
  47         uint32_t        *iptr;
  48         uint32_t __iomem *optr;
  49         uint32_t        cnt;
  50         uint32_t        mboxes;
  51         unsigned long   wait_time;
  52         struct qla_hw_data *ha = vha->hw;
  53         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  54
  55         if (ha->pdev->error_state > pci_channel_io_frozen) {
  56                 ql_log(ql_log_warn, vha, 0x115c,
  57                     "error_state is greater than pci_channel_io_frozen, "
  58                     "exiting.\n");
  59                 return QLA_FUNCTION_TIMEOUT;
  60         }
  61
  62         if (vha->device_flags & DFLG_DEV_FAILED) {
  63                 ql_log(ql_log_warn, vha, 0x115f,
  64                     "Device in failed state, exiting.\n");
  65                 return QLA_FUNCTION_TIMEOUT;
  66         }
  67
  68         reg = ha->iobase;
  69         io_lock_on = base_vha->flags.init_done;
  70
  71         rval = QLA_SUCCESS;
  72         abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  73
  74         if (ha->flags.pci_channel_io_perm_failure) {
  75                 ql_log(ql_log_warn, vha, 0x1175,
  76                     "Perm failure on EEH timeout MBX, exiting.\n");
  77                 return QLA_FUNCTION_TIMEOUT;
  78         }
  79
  80         if (ha->flags.isp82xx_fw_hung) {
  81                 /* Setting Link-Down error */
  82                 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  83                 ql_log(ql_log_warn, vha, 0x1176,
  84                     "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  85                 rval = QLA_FUNCTION_FAILED;
  86                 goto premature_exit;
  87         }
  88
  89         /*
  90          * Wait for active mailbox commands to finish by waiting at most tov
  91          * seconds. This is to serialize actual issuing of mailbox cmds during
  92          * non ISP abort time.
  93          */
  94         if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  95                 /* Timeout occurred. Return error. */
  96                 ql_log(ql_log_warn, vha, 0x1177,
  97                     "Cmd access timeout, cmd=0x%x, Exiting.\n",
  98                     mcp->mb[0]);
  99                 return QLA_FUNCTION_TIMEOUT;
 100         }
 101
 102         ha->flags.mbox_busy = 1;
 103         /* Save mailbox command for debug */
 104         ha->mcp32 = mcp;
 105
 106         ql_dbg(ql_dbg_mbx, vha, 0x1178,
 107             "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
 108
 109         spin_lock_irqsave(&ha->hardware_lock, flags);
 110
 111         /* Load mailbox registers. */
 112         optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
 113
 114         iptr = mcp->mb;
 115         command = mcp->mb[0];
 116         mboxes = mcp->out_mb;
 117
 118         for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 119                 if (mboxes & BIT_0)
 120                         WRT_REG_DWORD(optr, *iptr);
 121
 122                 mboxes >>= 1;
 123                 optr++;
 124                 iptr++;
 125         }
 126
 127         /* Issue set host interrupt command to send cmd out. */
 128         ha->flags.mbox_int = 0;
 129         clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 130
 131         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
 132             (uint8_t *)mcp->mb, 16);
 133         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
 134             ((uint8_t *)mcp->mb + 0x10), 16);
 135         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
 136             ((uint8_t *)mcp->mb + 0x20), 8);
 137
 138         /* Unlock mbx registers and wait for interrupt */
 139         ql_dbg(ql_dbg_mbx, vha, 0x1179,
 140             "Going to unlock irq & waiting for interrupts. "
 141             "jiffies=%lx.\n", jiffies);
 142
 143         /* Wait for mbx cmd completion until timeout */
 144         if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 145                 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 146
 147                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 148                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 149
 150                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 151         } else {
 152                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
 153                     "Cmd=%x Polling Mode.\n", command);
 154
 155                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 156                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 157
 158                 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 159                 while (!ha->flags.mbox_int) {
 160                         if (time_after(jiffies, wait_time))
 161                                 break;
 162
 163                         /* Check for pending interrupts. */
 164                         qla2x00_poll(ha->rsp_q_map[0]);
 165
 166                         if (!ha->flags.mbox_int &&
 167                             !(IS_QLA2200(ha) &&
 168                             command == MBC_LOAD_RISC_RAM_EXTENDED))
 169                                 usleep_range(10000, 11000);
 170                 } /* while */
 171                 ql_dbg(ql_dbg_mbx, vha, 0x112d,
 172                     "Waited %d sec.\n",
 173                     (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
 174         }
 175
 176         /* Check whether we timed out */
 177         if (ha->flags.mbox_int) {
 178                 uint32_t *iptr2;
 179
 180                 ql_dbg(ql_dbg_mbx, vha, 0x112e,
 181                     "Cmd=%x completed.\n", command);
 182
 183                 /* Got interrupt. Clear the flag. */
 184                 ha->flags.mbox_int = 0;
 185                 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 186
 187                 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
 188                         rval = QLA_FUNCTION_FAILED;
 189
 190                 /* Load return mailbox registers. */
 191                 iptr2 = mcp->mb;
 192                 iptr = (uint32_t *)&ha->mailbox_out32[0];
 193                 mboxes = mcp->in_mb;
 194                 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 195                         if (mboxes & BIT_0)
 196                                 *iptr2 = *iptr;
 197
 198                         mboxes >>= 1;
 199                         iptr2++;
 200                         iptr++;
 201                 }
 202         } else {
 203
 204                 rval = QLA_FUNCTION_TIMEOUT;
 205         }
 206
 207         ha->flags.mbox_busy = 0;
 208
 209         /* Clean up */
 210         ha->mcp32 = NULL;
 211
 212         if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
 213                 ql_dbg(ql_dbg_mbx, vha, 0x113a,
 214                     "checking for additional resp interrupt.\n");
 215
 216                 /* polling mode for non isp_abort commands. */
 217                 qla2x00_poll(ha->rsp_q_map[0]);
 218         }
 219
 220         if (rval == QLA_FUNCTION_TIMEOUT &&
 221             mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
 222                 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
 223                     ha->flags.eeh_busy) {
 224                         /* not in dpc. schedule it for dpc to take over. */
 225                         ql_dbg(ql_dbg_mbx, vha, 0x115d,
 226                             "Timeout, schedule isp_abort_needed.\n");
 227
 228                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 229                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 230                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 231
 232                                 ql_log(ql_log_info, base_vha, 0x115e,
 233                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 234                                     "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
 235                                     "abort.\n", command, mcp->mb[0],
 236                                     ha->flags.eeh_busy);
 237                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 238                                 qla2xxx_wake_dpc(vha);
 239                         }
 240                 } else if (!abort_active) {
 241                         /* call abort directly since we are in the DPC thread */
 242                         ql_dbg(ql_dbg_mbx, vha, 0x1160,
 243                             "Timeout, calling abort_isp.\n");
 244
 245                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 246                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 247                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 248
 249                                 ql_log(ql_log_info, base_vha, 0x1161,
 250                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 251                                     "mb[0]=0x%x. Scheduling ISP abort ",
 252                                     command, mcp->mb[0]);
 253
 254                                 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 255                                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 256                                 if (ha->isp_ops->abort_isp(vha)) {
 257                                         /* Failed. retry later. */
 258                                         set_bit(ISP_ABORT_NEEDED,
 259                                             &vha->dpc_flags);
 260                                 }
 261                                 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 262                                 ql_dbg(ql_dbg_mbx, vha, 0x1162,
 263                                     "Finished abort_isp.\n");
 264                         }
 265                 }
 266         }
 267
 268 premature_exit:
 269         /* Allow next mbx cmd to come in. */
 270         complete(&ha->mbx_cmd_comp);
 271
 272         if (rval) {
 273                 ql_log(ql_log_warn, base_vha, 0x1163,
 274                     "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
 275                     "mb[3]=%x, cmd=%x ****.\n",
 276                     mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
 277         } else {
 278                 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
 279         }
 280
 281         return rval;
 282 }
 283
 284 /*
 285  * qlafx00_driver_shutdown
 286  *      Indicate a driver shutdown to firmware.
 287  *
 288  * Input:
 289  *      ha = adapter block pointer.
 290  *
 291  * Returns:
 292  *      local function return status code.
 293  *
 294  * Context:
 295  *      Kernel context.
 296  */
 297 int
 298 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
 299 {
 300         int rval;
 301         struct mbx_cmd_32 mc;
 302         struct mbx_cmd_32 *mcp = &mc;
 303
 304         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
 305             "Entered %s.\n", __func__);
 306
 307         mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
 308         mcp->out_mb = MBX_0;
 309         mcp->in_mb = MBX_0;
 310         if (tmo)
 311                 mcp->tov = tmo;
 312         else
 313                 mcp->tov = MBX_TOV_SECONDS;
 314         mcp->flags = 0;
 315         rval = qlafx00_mailbox_command(vha, mcp);
 316
 317         if (rval != QLA_SUCCESS) {
 318                 ql_dbg(ql_dbg_mbx, vha, 0x1167,
 319                     "Failed=%x.\n", rval);
 320         } else {
 321                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
 322                     "Done %s.\n", __func__);
 323         }
 324
 325         return rval;
 326 }
 327
 328 /*
 329  * qlafx00_get_firmware_state
 330  *      Get adapter firmware state.
 331  *
 332  * Input:
 333  *      ha = adapter block pointer.
 334  *      TARGET_QUEUE_LOCK must be released.
 335  *      ADAPTER_STATE_LOCK must be released.
 336  *
 337  * Returns:
 338  *      qla7xxx local function return status code.
 339  *
 340  * Context:
 341  *      Kernel context.
 342  */
 343 static int
 344 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
 345 {
 346         int rval;
 347         struct mbx_cmd_32 mc;
 348         struct mbx_cmd_32 *mcp = &mc;
 349
 350         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
 351             "Entered %s.\n", __func__);
 352
 353         mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 354         mcp->out_mb = MBX_0;
 355         mcp->in_mb = MBX_1|MBX_0;
 356         mcp->tov = MBX_TOV_SECONDS;
 357         mcp->flags = 0;
 358         rval = qlafx00_mailbox_command(vha, mcp);
 359
 360         /* Return firmware states. */
 361         states[0] = mcp->mb[1];
 362
 363         if (rval != QLA_SUCCESS) {
 364                 ql_dbg(ql_dbg_mbx, vha, 0x116a,
 365                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 366         } else {
 367                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
 368                     "Done %s.\n", __func__);
 369         }
 370         return rval;
 371 }
 372
 373 /*
 374  * qlafx00_init_firmware
 375  *      Initialize adapter firmware.
 376  *
 377  * Input:
 378  *      ha = adapter block pointer.
 379  *      dptr = Initialization control block pointer.
 380  *      size = size of initialization control block.
 381  *      TARGET_QUEUE_LOCK must be released.
 382  *      ADAPTER_STATE_LOCK must be released.
 383  *
 384  * Returns:
 385  *      qlafx00 local function return status code.
 386  *
 387  * Context:
 388  *      Kernel context.
 389  */
 390 int
 391 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 392 {
 393         int rval;
 394         struct mbx_cmd_32 mc;
 395         struct mbx_cmd_32 *mcp = &mc;
 396         struct qla_hw_data *ha = vha->hw;
 397
 398         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
 399             "Entered %s.\n", __func__);
 400
 401         mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
 402
 403         mcp->mb[1] = 0;
 404         mcp->mb[2] = MSD(ha->init_cb_dma);
 405         mcp->mb[3] = LSD(ha->init_cb_dma);
 406
 407         mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 408         mcp->in_mb = MBX_0;
 409         mcp->buf_size = size;
 410         mcp->flags = MBX_DMA_OUT;
 411         mcp->tov = MBX_TOV_SECONDS;
 412         rval = qlafx00_mailbox_command(vha, mcp);
 413
 414         if (rval != QLA_SUCCESS) {
 415                 ql_dbg(ql_dbg_mbx, vha, 0x116d,
 416                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 417         } else {
 418                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
 419                     "Done %s.\n", __func__);
 420         }
 421         return rval;
 422 }
 423
 424 /*
 425  * qlafx00_mbx_reg_test
 426  */
 427 static int
 428 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
 429 {
 430         int rval;
 431         struct mbx_cmd_32 mc;
 432         struct mbx_cmd_32 *mcp = &mc;
 433
 434         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
 435             "Entered %s.\n", __func__);
 436
 437
 438         mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
 439         mcp->mb[1] = 0xAAAA;
 440         mcp->mb[2] = 0x5555;
 441         mcp->mb[3] = 0xAA55;
 442         mcp->mb[4] = 0x55AA;
 443         mcp->mb[5] = 0xA5A5;
 444         mcp->mb[6] = 0x5A5A;
 445         mcp->mb[7] = 0x2525;
 446         mcp->mb[8] = 0xBBBB;
 447         mcp->mb[9] = 0x6666;
 448         mcp->mb[10] = 0xBB66;
 449         mcp->mb[11] = 0x66BB;
 450         mcp->mb[12] = 0xB6B6;
 451         mcp->mb[13] = 0x6B6B;
 452         mcp->mb[14] = 0x3636;
 453         mcp->mb[15] = 0xCCCC;
 454
 455
 456         mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 457                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 458         mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 459                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 460         mcp->buf_size = 0;
 461         mcp->flags = MBX_DMA_OUT;
 462         mcp->tov = MBX_TOV_SECONDS;
 463         rval = qlafx00_mailbox_command(vha, mcp);
 464         if (rval == QLA_SUCCESS) {
 465                 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
 466                     mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
 467                         rval = QLA_FUNCTION_FAILED;
 468                 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
 469                     mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
 470                         rval = QLA_FUNCTION_FAILED;
 471                 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
 472                     mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
 473                         rval = QLA_FUNCTION_FAILED;
 474                 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
 475                     mcp->mb[31] != 0xCCCC)
 476                         rval = QLA_FUNCTION_FAILED;
 477         }
 478
 479         if (rval != QLA_SUCCESS) {
 480                 ql_dbg(ql_dbg_mbx, vha, 0x1170,
 481                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 482         } else {
 483                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
 484                     "Done %s.\n", __func__);
 485         }
 486         return rval;
 487 }
 488
 489 /**
 490  * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 491  * @ha: HA context
 492  *
 493  * Returns 0 on success.
 494  */
 495 int
 496 qlafx00_pci_config(scsi_qla_host_t *vha)
 497 {
 498         uint16_t w;
 499         struct qla_hw_data *ha = vha->hw;
 500
 501         pci_set_master(ha->pdev);
 502         pci_try_set_mwi(ha->pdev);
 503
 504         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 505         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 506         w &= ~PCI_COMMAND_INTX_DISABLE;
 507         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 508
 509         /* PCIe -- adjust Maximum Read Request Size (2048). */
 510         if (pci_is_pcie(ha->pdev))
 511                 pcie_set_readrq(ha->pdev, 2048);
 512
 513         ha->chip_revision = ha->pdev->revision;
 514
 515         return QLA_SUCCESS;
 516 }
 517
 518 /**
 519  * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 520  * @ha: HA context
 521  *
 522   */
 523 static inline void
 524 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
 525 {
 526         unsigned long flags = 0;
 527         struct qla_hw_data *ha = vha->hw;
 528         int i, core;
 529         uint32_t cnt;
 530
 531         /* Set all 4 cores in reset */
 532         for (i = 0; i < 4; i++) {
 533                 QLAFX00_SET_HBA_SOC_REG(ha,
 534                     (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
 535         }
 536
 537         /* Set all 4 core Clock gating control */
 538         for (i = 0; i < 4; i++) {
 539                 QLAFX00_SET_HBA_SOC_REG(ha,
 540                     (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
 541         }
 542
 543         /* Reset all units in Fabric */
 544         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
 545
 546         /* Reset all interrupt control registers */
 547         for (i = 0; i < 115; i++) {
 548                 QLAFX00_SET_HBA_SOC_REG(ha,
 549                     (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
 550         }
 551
 552         /* Reset Timers control registers. per core */
 553         for (core = 0; core < 4; core++)
 554                 for (i = 0; i < 8; i++)
 555                         QLAFX00_SET_HBA_SOC_REG(ha,
 556                             (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
 557
 558         /* Reset per core IRQ ack register */
 559         for (core = 0; core < 4; core++)
 560                 QLAFX00_SET_HBA_SOC_REG(ha,
 561                     (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
 562
 563         /* Set Fabric control and config to defaults */
 564         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
 565         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
 566
 567         spin_lock_irqsave(&ha->hardware_lock, flags);
 568
 569         /* Kick in Fabric units */
 570         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
 571
 572         /* Kick in Core0 to start boot process */
 573         QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
 574
 575         /* Wait 10secs for soft-reset to complete. */
 576         for (cnt = 10; cnt; cnt--) {
 577                 msleep(1000);
 578                 barrier();
 579         }
 580         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 581 }
 582
 583 /**
 584  * qlafx00_soft_reset() - Soft Reset ISPFx00.
 585  * @ha: HA context
 586  *
 587  * Returns 0 on success.
 588  */
 589 void
 590 qlafx00_soft_reset(scsi_qla_host_t *vha)
 591 {
 592         struct qla_hw_data *ha = vha->hw;
 593
 594         if (unlikely(pci_channel_offline(ha->pdev) &&
 595             ha->flags.pci_channel_io_perm_failure))
 596                 return;
 597
 598         ha->isp_ops->disable_intrs(ha);
 599         qlafx00_soc_cpu_reset(vha);
 600         ha->isp_ops->enable_intrs(ha);
 601 }
 602
 603 /**
 604  * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 605  * @ha: HA context
 606  *
 607  * Returns 0 on success.
 608  */
 609 int
 610 qlafx00_chip_diag(scsi_qla_host_t *vha)
 611 {
 612         int rval = 0;
 613         struct qla_hw_data *ha = vha->hw;
 614         struct req_que *req = ha->req_q_map[0];
 615
 616         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 617
 618         rval = qlafx00_mbx_reg_test(vha);
 619         if (rval) {
 620                 ql_log(ql_log_warn, vha, 0x1165,
 621                     "Failed mailbox send register test\n");
 622         } else {
 623                 /* Flag a successful rval */
 624                 rval = QLA_SUCCESS;
 625         }
 626         return rval;
 627 }
 628
 629 void
 630 qlafx00_config_rings(struct scsi_qla_host *vha)
 631 {
 632         struct qla_hw_data *ha = vha->hw;
 633         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 634         struct init_cb_fx *icb;
 635         struct req_que *req = ha->req_q_map[0];
 636         struct rsp_que *rsp = ha->rsp_q_map[0];
 637
 638         /* Setup ring parameters in initialization control block. */
 639         icb = (struct init_cb_fx *)ha->init_cb;
 640         icb->request_q_outpointer = __constant_cpu_to_le16(0);
 641         icb->response_q_inpointer = __constant_cpu_to_le16(0);
 642         icb->request_q_length = cpu_to_le16(req->length);
 643         icb->response_q_length = cpu_to_le16(rsp->length);
 644         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
 645         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
 646         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
 647         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
 648
 649         WRT_REG_DWORD(&reg->req_q_in, 0);
 650         WRT_REG_DWORD(&reg->req_q_out, 0);
 651
 652         WRT_REG_DWORD(&reg->rsp_q_in, 0);
 653         WRT_REG_DWORD(&reg->rsp_q_out, 0);
 654
 655         /* PCI posting */
 656         RD_REG_DWORD(&reg->rsp_q_out);
 657 }
 658
 659 char *
 660 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 661 {
 662         struct qla_hw_data *ha = vha->hw;
 663
 664         if (pci_is_pcie(ha->pdev)) {
 665                 strcpy(str, "PCIe iSA");
 666                 return str;
 667         }
 668         return str;
 669 }
 670
 671 char *
 672 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
 673 {
 674         struct qla_hw_data *ha = vha->hw;
 675
 676         sprintf(str, "%s", ha->mr.fw_version);
 677         return str;
 678 }
 679
 680 void
 681 qlafx00_enable_intrs(struct qla_hw_data *ha)
 682 {
 683         unsigned long flags = 0;
 684
 685         spin_lock_irqsave(&ha->hardware_lock, flags);
 686         ha->interrupts_on = 1;
 687         QLAFX00_ENABLE_ICNTRL_REG(ha);
 688         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 689 }
 690
 691 void
 692 qlafx00_disable_intrs(struct qla_hw_data *ha)
 693 {
 694         unsigned long flags = 0;
 695
 696         spin_lock_irqsave(&ha->hardware_lock, flags);
 697         ha->interrupts_on = 0;
 698         QLAFX00_DISABLE_ICNTRL_REG(ha);
 699         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 700 }
 701
 702 static void
 703 qlafx00_tmf_iocb_timeout(void *data)
 704 {
 705         srb_t *sp = (srb_t *)data;
 706         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 707
 708         tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
 709         complete(&tmf->u.tmf.comp);
 710 }
 711
 712 static void
 713 qlafx00_tmf_sp_done(void *data, void *ptr, int res)
 714 {
 715         srb_t *sp = (srb_t *)ptr;
 716         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 717
 718         complete(&tmf->u.tmf.comp);
 719 }
 720
 721 static int
 722 qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
 723                      uint32_t lun, uint32_t tag)
 724 {
 725         scsi_qla_host_t *vha = fcport->vha;
 726         struct srb_iocb *tm_iocb;
 727         srb_t *sp;
 728         int rval = QLA_FUNCTION_FAILED;
 729
 730         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 731         if (!sp)
 732                 goto done;
 733
 734         tm_iocb = &sp->u.iocb_cmd;
 735         sp->type = SRB_TM_CMD;
 736         sp->name = "tmf";
 737         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 738         tm_iocb->u.tmf.flags = flags;
 739         tm_iocb->u.tmf.lun = lun;
 740         tm_iocb->u.tmf.data = tag;
 741         sp->done = qlafx00_tmf_sp_done;
 742         tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
 743         init_completion(&tm_iocb->u.tmf.comp);
 744
 745         rval = qla2x00_start_sp(sp);
 746         if (rval != QLA_SUCCESS)
 747                 goto done_free_sp;
 748
 749         ql_dbg(ql_dbg_async, vha, 0x507b,
 750             "Task management command issued target_id=%x\n",
 751             fcport->tgt_id);
 752
 753         wait_for_completion(&tm_iocb->u.tmf.comp);
 754
 755         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 756             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 757
 758 done_free_sp:
 759         sp->free(vha, sp);
 760 done:
 761         return rval;
 762 }
 763
 764 int
 765 qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
 766 {
 767         return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 768 }
 769
 770 int
 771 qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
 772 {
 773         return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 774 }
 775
 776 int
 777 qlafx00_loop_reset(scsi_qla_host_t *vha)
 778 {
 779         int ret;
 780         struct fc_port *fcport;
 781         struct qla_hw_data *ha = vha->hw;
 782
 783         if (ql2xtargetreset) {
 784                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
 785                         if (fcport->port_type != FCT_TARGET)
 786                                 continue;
 787
 788                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
 789                         if (ret != QLA_SUCCESS) {
 790                                 ql_dbg(ql_dbg_taskm, vha, 0x803d,
 791                                     "Bus Reset failed: Reset=%d "
 792                                     "d_id=%x.\n", ret, fcport->d_id.b24);
 793                         }
 794                 }
 795         }
 796         return QLA_SUCCESS;
 797 }
 798
 799 int
 800 qlafx00_iospace_config(struct qla_hw_data *ha)
 801 {
 802         if (pci_request_selected_regions(ha->pdev, ha->bars,
 803             QLA2XXX_DRIVER_NAME)) {
 804                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 805                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 806                     pci_name(ha->pdev));
 807                 goto iospace_error_exit;
 808         }
 809
 810         /* Use MMIO operations for all accesses. */
 811         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 812                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 813                     "Invalid pci I/O region size (%s).\n",
 814                     pci_name(ha->pdev));
 815                 goto iospace_error_exit;
 816         }
 817         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 818                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 819                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
 820                         pci_name(ha->pdev));
 821                 goto iospace_error_exit;
 822         }
 823
 824         ha->cregbase =
 825             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 826         if (!ha->cregbase) {
 827                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 828                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 829                 goto iospace_error_exit;
 830         }
 831
 832         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 833                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 834                     "region #2 not an MMIO resource (%s), aborting\n",
 835                     pci_name(ha->pdev));
 836                 goto iospace_error_exit;
 837         }
 838         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 839                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 840                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
 841                         pci_name(ha->pdev));
 842                 goto iospace_error_exit;
 843         }
 844
 845         ha->iobase =
 846             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 847         if (!ha->iobase) {
 848                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 849                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 850                 goto iospace_error_exit;
 851         }
 852
 853         /* Determine queue resources */
 854         ha->max_req_queues = ha->max_rsp_queues = 1;
 855
 856         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 857             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 858             ha->bars, ha->cregbase, ha->iobase);
 859
 860         return 0;
 861
 862 iospace_error_exit:
 863         return -ENOMEM;
 864 }
 865
 866 static void
 867 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 868 {
 869         struct qla_hw_data *ha = vha->hw;
 870         struct req_que *req = ha->req_q_map[0];
 871         struct rsp_que *rsp = ha->rsp_q_map[0];
 872
 873         req->length_fx00 = req->length;
 874         req->ring_fx00 = req->ring;
 875         req->dma_fx00 = req->dma;
 876
 877         rsp->length_fx00 = rsp->length;
 878         rsp->ring_fx00 = rsp->ring;
 879         rsp->dma_fx00 = rsp->dma;
 880
 881         ql_dbg(ql_dbg_init, vha, 0x012d,
 882             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 883             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 884             req->length_fx00, (u64)req->dma_fx00);
 885
 886         ql_dbg(ql_dbg_init, vha, 0x012e,
 887             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 888             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 889             rsp->length_fx00, (u64)rsp->dma_fx00);
 890 }
 891
 892 static int
 893 qlafx00_config_queues(struct scsi_qla_host *vha)
 894 {
 895         struct qla_hw_data *ha = vha->hw;
 896         struct req_que *req = ha->req_q_map[0];
 897         struct rsp_que *rsp = ha->rsp_q_map[0];
 898         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 899
 900         req->length = ha->req_que_len;
 901         req->ring = (void *)ha->iobase + ha->req_que_off;
 902         req->dma = bar2_hdl + ha->req_que_off;
 903         if ((!req->ring) || (req->length == 0)) {
 904                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 905                     "Unable to allocate memory for req_ring\n");
 906                 return QLA_FUNCTION_FAILED;
 907         }
 908
 909         ql_dbg(ql_dbg_init, vha, 0x0130,
 910             "req: %p req_ring pointer %p req len 0x%x "
 911             "req off 0x%x\n, req->dma: 0x%llx",
 912             req, req->ring, req->length,
 913             ha->req_que_off, (u64)req->dma);
 914
 915         rsp->length = ha->rsp_que_len;
 916         rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
 917         rsp->dma = bar2_hdl + ha->rsp_que_off;
 918         if ((!rsp->ring) || (rsp->length == 0)) {
 919                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 920                     "Unable to allocate memory for rsp_ring\n");
 921                 return QLA_FUNCTION_FAILED;
 922         }
 923
 924         ql_dbg(ql_dbg_init, vha, 0x0132,
 925             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 926             "rsp off 0x%x, rsp->dma: 0x%llx\n",
 927             rsp, rsp->ring, rsp->length,
 928             ha->rsp_que_off, (u64)rsp->dma);
 929
 930         return QLA_SUCCESS;
 931 }
 932
 933 static int
 934 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 935 {
 936         int rval = 0;
 937         unsigned long wtime;
 938         uint16_t wait_time;     /* Wait time */
 939         struct qla_hw_data *ha = vha->hw;
 940         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 941         uint32_t aenmbx, aenmbx7 = 0;
 942         uint32_t pseudo_aen;
 943         uint32_t state[5];
 944         bool done = false;
 945
 946         /* 30 seconds wait - Adjust if required */
 947         wait_time = 30;
 948
 949         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 950         if (pseudo_aen == 1) {
 951                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
 952                 ha->mbx_intr_code = MSW(aenmbx7);
 953                 ha->rqstq_intr_code = LSW(aenmbx7);
 954                 rval = qlafx00_driver_shutdown(vha, 10);
 955                 if (rval != QLA_SUCCESS)
 956                         qlafx00_soft_reset(vha);
 957         }
 958
 959         /* wait time before firmware ready */
 960         wtime = jiffies + (wait_time * HZ);
 961         do {
 962                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 963                 barrier();
 964                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
 965                     "aenmbx: 0x%x\n", aenmbx);
 966
 967                 switch (aenmbx) {
 968                 case MBA_FW_NOT_STARTED:
 969                 case MBA_FW_STARTING:
 970                         break;
 971
 972                 case MBA_SYSTEM_ERR:
 973                 case MBA_REQ_TRANSFER_ERR:
 974                 case MBA_RSP_TRANSFER_ERR:
 975                 case MBA_FW_INIT_FAILURE:
 976                         qlafx00_soft_reset(vha);
 977                         break;
 978
 979                 case MBA_FW_RESTART_CMPLT:
 980                         /* Set the mbx and rqstq intr code */
 981                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 982                         ha->mbx_intr_code = MSW(aenmbx7);
 983                         ha->rqstq_intr_code = LSW(aenmbx7);
 984                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 985                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 986                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 987                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 988                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
 989                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 990                         ql_dbg(ql_dbg_init, vha, 0x0134,
 991                             "f/w returned mbx_intr_code: 0x%x, "
 992                             "rqstq_intr_code: 0x%x\n",
 993                             ha->mbx_intr_code, ha->rqstq_intr_code);
 994                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 995                         rval = QLA_SUCCESS;
 996                         done = true;
 997                         break;
 998
 999                 default:
1000                         /* If fw is apparently not ready. In order to continue,
1001                          * we might need to issue Mbox cmd, but the problem is
1002                          * that the DoorBell vector values that come with the
1003                          * 8060 AEN are most likely gone by now (and thus no
1004                          * bell would be rung on the fw side when mbox cmd is
1005                          * issued). We have to therefore grab the 8060 AEN
1006                          * shadow regs (filled in by FW when the last 8060
1007                          * AEN was being posted).
1008                          * Do the following to determine what is needed in
1009                          * order to get the FW ready:
1010                          * 1. reload the 8060 AEN values from the shadow regs
1011                          * 2. clear int status to get rid of possible pending
1012                          *    interrupts
1013                          * 3. issue Get FW State Mbox cmd to determine fw state
1014                          * Set the mbx and rqstq intr code from Shadow Regs
1015                          */
1016                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
1017                         ha->mbx_intr_code = MSW(aenmbx7);
1018                         ha->rqstq_intr_code = LSW(aenmbx7);
1019                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1020                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1021                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1022                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1023                         ql_dbg(ql_dbg_init, vha, 0x0135,
1024                             "f/w returned mbx_intr_code: 0x%x, "
1025                             "rqstq_intr_code: 0x%x\n",
1026                             ha->mbx_intr_code, ha->rqstq_intr_code);
1027                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1028
1029                         /* Get the FW state */
1030                         rval = qlafx00_get_firmware_state(vha, state);
1031                         if (rval != QLA_SUCCESS) {
1032                                 /* Retry if timer has not expired */
1033                                 break;
1034                         }
1035
1036                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1037                                 /* Firmware is waiting to be
1038                                  * initialized by driver
1039                                  */
1040                                 rval = QLA_SUCCESS;
1041                                 done = true;
1042                                 break;
1043                         }
1044
1045                         /* Issue driver shutdown and wait until f/w recovers.
1046                          * Driver should continue to poll until 8060 AEN is
1047                          * received indicating firmware recovery.
1048                          */
1049                         ql_dbg(ql_dbg_init, vha, 0x0136,
1050                             "Sending Driver shutdown fw_state 0x%x\n",
1051                             state[0]);
1052
1053                         rval = qlafx00_driver_shutdown(vha, 10);
1054                         if (rval != QLA_SUCCESS) {
1055                                 rval = QLA_FUNCTION_FAILED;
1056                                 break;
1057                         }
1058                         msleep(500);
1059
1060                         wtime = jiffies + (wait_time * HZ);
1061                         break;
1062                 }
1063
1064                 if (!done) {
1065                         if (time_after_eq(jiffies, wtime)) {
1066                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1067                                     "Init f/w failed: aen[7]: 0x%x\n",
1068                                     RD_REG_DWORD(&reg->aenmailbox7));
1069                                 rval = QLA_FUNCTION_FAILED;
1070                                 done = true;
1071                                 break;
1072                         }
1073                         /* Delay for a while */
1074                         msleep(500);
1075                 }
1076         } while (!done);
1077
1078         if (rval)
1079                 ql_dbg(ql_dbg_init, vha, 0x0138,
1080                     "%s **** FAILED ****.\n", __func__);
1081         else
1082                 ql_dbg(ql_dbg_init, vha, 0x0139,
1083                     "%s **** SUCCESS ****.\n", __func__);
1084
1085         return rval;
1086 }
1087
1088 /*
1089  * qlafx00_fw_ready() - Waits for firmware ready.
1090  * @ha: HA context
1091  *
1092  * Returns 0 on success.
1093  */
1094 int
1095 qlafx00_fw_ready(scsi_qla_host_t *vha)
1096 {
1097         int             rval;
1098         unsigned long   wtime;
1099         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1100         uint32_t        state[5];
1101
1102         rval = QLA_SUCCESS;
1103
1104         wait_time = 10;
1105
1106         /* wait time before firmware ready */
1107         wtime = jiffies + (wait_time * HZ);
1108
1109         /* Wait for ISP to finish init */
1110         if (!vha->flags.init_done)
1111                 ql_dbg(ql_dbg_init, vha, 0x013a,
1112                     "Waiting for init to complete...\n");
1113
1114         do {
1115                 rval = qlafx00_get_firmware_state(vha, state);
1116
1117                 if (rval == QLA_SUCCESS) {
1118                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1119                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1120                                     "fw_state=%x\n", state[0]);
1121                                 rval = QLA_SUCCESS;
1122                                         break;
1123                         }
1124                 }
1125                 rval = QLA_FUNCTION_FAILED;
1126
1127                 if (time_after_eq(jiffies, wtime))
1128                         break;
1129
1130                 /* Delay for a while */
1131                 msleep(500);
1132
1133                 ql_dbg(ql_dbg_init, vha, 0x013c,
1134                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1135         } while (1);
1136
1137
1138         if (rval)
1139                 ql_dbg(ql_dbg_init, vha, 0x013d,
1140                     "Firmware ready **** FAILED ****.\n");
1141         else
1142                 ql_dbg(ql_dbg_init, vha, 0x013e,
1143                     "Firmware ready **** SUCCESS ****.\n");
1144
1145         return rval;
1146 }
1147
1148 static int
1149 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1150         struct list_head *new_fcports)
1151 {
1152         int             rval;
1153         uint16_t        tgt_id;
1154         fc_port_t       *fcport, *new_fcport;
1155         int             found;
1156         struct qla_hw_data *ha = vha->hw;
1157
1158         rval = QLA_SUCCESS;
1159
1160         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1161                 return QLA_FUNCTION_FAILED;
1162
1163         if ((atomic_read(&vha->loop_down_timer) ||
1164              STATE_TRANSITION(vha))) {
1165                 atomic_set(&vha->loop_down_timer, 0);
1166                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1167                 return QLA_FUNCTION_FAILED;
1168         }
1169
1170         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1171             "Listing Target bit map...\n");
1172         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1173             0x2089, (uint8_t *)ha->gid_list, 32);
1174
1175         /* Allocate temporary rmtport for any new rmtports discovered. */
1176         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1177         if (new_fcport == NULL)
1178                 return QLA_MEMORY_ALLOC_FAILED;
1179
1180         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1181             QLAFX00_TGT_NODE_LIST_SIZE) {
1182
1183                 /* Send get target node info */
1184                 new_fcport->tgt_id = tgt_id;
1185                 rval = qlafx00_fx_disc(vha, new_fcport,
1186                     FXDISC_GET_TGT_NODE_INFO);
1187                 if (rval != QLA_SUCCESS) {
1188                         ql_log(ql_log_warn, vha, 0x208a,
1189                             "Target info scan failed -- assuming zero-entry "
1190                             "result...\n");
1191                         continue;
1192                 }
1193
1194                 /* Locate matching device in database. */
1195                 found = 0;
1196                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1197                         if (memcmp(new_fcport->port_name,
1198                             fcport->port_name, WWN_SIZE))
1199                                 continue;
1200
1201                         found++;
1202
1203                         /*
1204                          * If tgt_id is same and state FCS_ONLINE, nothing
1205                          * changed.
1206                          */
1207                         if (fcport->tgt_id == new_fcport->tgt_id &&
1208                             atomic_read(&fcport->state) == FCS_ONLINE)
1209                                 break;
1210
1211                         /*
1212                          * Tgt ID changed or device was marked to be updated.
1213                          */
1214                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1215                             "TGT-ID Change(%s): Present tgt id: "
1216                             "0x%x state: 0x%x "
1217                             "wwnn = %llx wwpn = %llx.\n",
1218                             __func__, fcport->tgt_id,
1219                             atomic_read(&fcport->state),
1220                             (unsigned long long)wwn_to_u64(fcport->node_name),
1221                             (unsigned long long)wwn_to_u64(fcport->port_name));
1222
1223                         ql_log(ql_log_info, vha, 0x208c,
1224                             "TGT-ID Announce(%s): Discovered tgt "
1225                             "id 0x%x wwnn = %llx "
1226                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1227                             (unsigned long long)
1228                             wwn_to_u64(new_fcport->node_name),
1229                             (unsigned long long)
1230                             wwn_to_u64(new_fcport->port_name));
1231
1232                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1233                                 fcport->old_tgt_id = fcport->tgt_id;
1234                                 fcport->tgt_id = new_fcport->tgt_id;
1235                                 ql_log(ql_log_info, vha, 0x208d,
1236                                    "TGT-ID: New fcport Added: %p\n", fcport);
1237                                 qla2x00_update_fcport(vha, fcport);
1238                         } else {
1239                                 ql_log(ql_log_info, vha, 0x208e,
1240                                     " Existing TGT-ID %x did not get "
1241                                     " offline event from firmware.\n",
1242                                     fcport->old_tgt_id);
1243                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1244                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1245                                 kfree(new_fcport);
1246                                 return rval;
1247                         }
1248                         break;
1249                 }
1250
1251                 if (found)
1252                         continue;
1253
1254                 /* If device was not in our fcports list, then add it. */
1255                 list_add_tail(&new_fcport->list, new_fcports);
1256
1257                 /* Allocate a new replacement fcport. */
1258                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1259                 if (new_fcport == NULL)
1260                         return QLA_MEMORY_ALLOC_FAILED;
1261         }
1262
1263         kfree(new_fcport);
1264         return rval;
1265 }
1266
1267 /*
1268  * qlafx00_configure_all_targets
1269  *      Setup target devices with node ID's.
1270  *
1271  * Input:
1272  *      ha = adapter block pointer.
1273  *
1274  * Returns:
1275  *      0 = success.
1276  *      BIT_0 = error
1277  */
1278 static int
1279 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1280 {
1281         int rval;
1282         fc_port_t *fcport, *rmptemp;
1283         LIST_HEAD(new_fcports);
1284
1285         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1286             FXDISC_GET_TGT_NODE_LIST);
1287         if (rval != QLA_SUCCESS) {
1288                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1289                 return rval;
1290         }
1291
1292         rval = qlafx00_find_all_targets(vha, &new_fcports);
1293         if (rval != QLA_SUCCESS) {
1294                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1295                 return rval;
1296         }
1297
1298         /*
1299          * Delete all previous devices marked lost.
1300          */
1301         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1302                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1303                         break;
1304
1305                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1306                         if (fcport->port_type != FCT_INITIATOR)
1307                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1308                 }
1309         }
1310
1311         /*
1312          * Add the new devices to our devices list.
1313          */
1314         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1315                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1316                         break;
1317
1318                 qla2x00_update_fcport(vha, fcport);
1319                 list_move_tail(&fcport->list, &vha->vp_fcports);
1320                 ql_log(ql_log_info, vha, 0x208f,
1321                     "Attach new target id 0x%x wwnn = %llx "
1322                     "wwpn = %llx.\n",
1323                     fcport->tgt_id,
1324                     (unsigned long long)wwn_to_u64(fcport->node_name),
1325                     (unsigned long long)wwn_to_u64(fcport->port_name));
1326         }
1327
1328         /* Free all new device structures not processed. */
1329         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1330                 list_del(&fcport->list);
1331                 kfree(fcport);
1332         }
1333
1334         return rval;
1335 }
1336
1337 /*
1338  * qlafx00_configure_devices
1339  *      Updates Fibre Channel Device Database with what is actually on loop.
1340  *
1341  * Input:
1342  *      ha                = adapter block pointer.
1343  *
1344  * Returns:
1345  *      0 = success.
1346  *      1 = error.
1347  *      2 = database was full and device was not configured.
1348  */
1349 int
1350 qlafx00_configure_devices(scsi_qla_host_t *vha)
1351 {
1352         int  rval;
1353         unsigned long flags, save_flags;
1354         rval = QLA_SUCCESS;
1355
1356         save_flags = flags = vha->dpc_flags;
1357
1358         ql_dbg(ql_dbg_disc, vha, 0x2090,
1359             "Configure devices -- dpc flags =0x%lx\n", flags);
1360
1361         rval = qlafx00_configure_all_targets(vha);
1362
1363         if (rval == QLA_SUCCESS) {
1364                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1365                         rval = QLA_FUNCTION_FAILED;
1366                 } else {
1367                         atomic_set(&vha->loop_state, LOOP_READY);
1368                         ql_log(ql_log_info, vha, 0x2091,
1369                             "Device Ready\n");
1370                 }
1371         }
1372
1373         if (rval) {
1374                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1375                     "%s *** FAILED ***.\n", __func__);
1376         } else {
1377                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1378                     "%s: exiting normally.\n", __func__);
1379         }
1380         return rval;
1381 }
1382
1383 static void
1384 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1385 {
1386         struct qla_hw_data *ha = vha->hw;
1387         fc_port_t *fcport;
1388
1389         vha->flags.online = 0;
1390         ha->mr.fw_hbt_en = 0;
1391
1392         if (!critemp) {
1393                 ha->flags.chip_reset_done = 0;
1394                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1395                 vha->qla_stats.total_isp_aborts++;
1396                 ql_log(ql_log_info, vha, 0x013f,
1397                     "Performing ISP error recovery - ha = %p.\n", ha);
1398                 ha->isp_ops->reset_chip(vha);
1399         }
1400
1401         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1402                 atomic_set(&vha->loop_state, LOOP_DOWN);
1403                 atomic_set(&vha->loop_down_timer,
1404                     QLAFX00_LOOP_DOWN_TIME);
1405         } else {
1406                 if (!atomic_read(&vha->loop_down_timer))
1407                         atomic_set(&vha->loop_down_timer,
1408                             QLAFX00_LOOP_DOWN_TIME);
1409         }
1410
1411         /* Clear all async request states across all VPs. */
1412         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1413                 fcport->flags = 0;
1414                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1415                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1416         }
1417
1418         if (!ha->flags.eeh_busy) {
1419                 if (critemp) {
1420                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1421                 } else {
1422                         /* Requeue all commands in outstanding command list. */
1423                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1424                 }
1425         }
1426
1427         qla2x00_free_irqs(vha);
1428         if (critemp)
1429                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1430         else
1431                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1432
1433         /* Clear the Interrupts */
1434         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1435
1436         ql_log(ql_log_info, vha, 0x0140,
1437             "%s Done done - ha=%p.\n", __func__, ha);
1438 }
1439
1440 /**
1441  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1442  * @ha: HA context
1443  *
1444  * Beginning of request ring has initialization control block already built
1445  * by nvram config routine.
1446  *
1447  * Returns 0 on success.
1448  */
1449 void
1450 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1451 {
1452         uint16_t cnt;
1453         response_t *pkt;
1454
1455         rsp->ring_ptr = rsp->ring;
1456         rsp->ring_index    = 0;
1457         rsp->status_srb = NULL;
1458         pkt = rsp->ring_ptr;
1459         for (cnt = 0; cnt < rsp->length; cnt++) {
1460                 pkt->signature = RESPONSE_PROCESSED;
1461                 WRT_REG_DWORD((void __iomem *)&pkt->signature,
1462                     RESPONSE_PROCESSED);
1463                 pkt++;
1464         }
1465 }
1466
1467 int
1468 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1469 {
1470         uint32_t status = QLA_FUNCTION_FAILED;
1471         struct qla_hw_data *ha = vha->hw;
1472         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1473         uint32_t aenmbx7;
1474
1475         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1476
1477         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1478         ha->mbx_intr_code = MSW(aenmbx7);
1479         ha->rqstq_intr_code = LSW(aenmbx7);
1480         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1481         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1482         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1483         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1484
1485         ql_dbg(ql_dbg_disc, vha, 0x2094,
1486             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1487             " Req que offset 0x%x Rsp que offset 0x%x\n",
1488             ha->mbx_intr_code, ha->rqstq_intr_code,
1489             ha->req_que_off, ha->rsp_que_len);
1490
1491         /* Clear the Interrupts */
1492         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1493
1494         status = qla2x00_init_rings(vha);
1495         if (!status) {
1496                 vha->flags.online = 1;
1497
1498                 /* if no cable then assume it's good */
1499                 if ((vha->device_flags & DFLG_NO_CABLE))
1500                         status = 0;
1501                 /* Register system information */
1502                 if (qlafx00_fx_disc(vha,
1503                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1504                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1505                             "failed to register host info\n");
1506         }
1507         scsi_unblock_requests(vha->host);
1508         return status;
1509 }
1510
1511 void
1512 qlafx00_timer_routine(scsi_qla_host_t *vha)
1513 {
1514         struct qla_hw_data *ha = vha->hw;
1515         uint32_t fw_heart_beat;
1516         uint32_t aenmbx0;
1517         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1518         uint32_t tempc;
1519
1520         /* Check firmware health */
1521         if (ha->mr.fw_hbt_cnt)
1522                 ha->mr.fw_hbt_cnt--;
1523         else {
1524                 if ((!ha->flags.mr_reset_hdlr_active) &&
1525                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1526                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1527                     (ha->mr.fw_hbt_en)) {
1528                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1529                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1530                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1531                                 ha->mr.fw_hbt_miss_cnt = 0;
1532                         } else {
1533                                 ha->mr.fw_hbt_miss_cnt++;
1534                                 if (ha->mr.fw_hbt_miss_cnt ==
1535                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1536                                         set_bit(ISP_ABORT_NEEDED,
1537                                             &vha->dpc_flags);
1538                                         qla2xxx_wake_dpc(vha);
1539                                         ha->mr.fw_hbt_miss_cnt = 0;
1540                                 }
1541                         }
1542                 }
1543                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1544         }
1545
1546         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1547                 /* Reset recovery to be performed in timer routine */
1548                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1549                 if (ha->mr.fw_reset_timer_exp) {
1550                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1551                         qla2xxx_wake_dpc(vha);
1552                         ha->mr.fw_reset_timer_exp = 0;
1553                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1554                         /* Wake up DPC to rescan the targets */
1555                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1556                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1557                         qla2xxx_wake_dpc(vha);
1558                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1559                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1560                     (!ha->mr.fw_hbt_en)) {
1561                         ha->mr.fw_hbt_en = 1;
1562                 } else if (!ha->mr.fw_reset_timer_tick) {
1563                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1564                                 ha->mr.fw_reset_timer_exp = 1;
1565                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1566                 } else if (aenmbx0 == 0xFFFFFFFF) {
1567                         uint32_t data0, data1;
1568
1569                         data0 = QLAFX00_RD_REG(ha,
1570                             QLAFX00_BAR1_BASE_ADDR_REG);
1571                         data1 = QLAFX00_RD_REG(ha,
1572                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1573
1574                         data0 &= 0xffff0000;
1575                         data1 &= 0x0000ffff;
1576
1577                         QLAFX00_WR_REG(ha,
1578                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1579                             (data0 | data1));
1580                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1581                         ha->mr.fw_reset_timer_tick =
1582                             QLAFX00_MAX_RESET_INTERVAL;
1583                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1584                         ha->mr.fw_reset_timer_tick =
1585                             QLAFX00_MAX_RESET_INTERVAL;
1586                 }
1587                 ha->mr.old_aenmbx0_state = aenmbx0;
1588                 ha->mr.fw_reset_timer_tick--;
1589         }
1590         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1591                 /*
1592                  * Critical temperature recovery to be
1593                  * performed in timer routine
1594                  */
1595                 if (ha->mr.fw_critemp_timer_tick == 0) {
1596                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1597                         ql_dbg(ql_dbg_timer, vha, 0x6012,
1598                             "ISPFx00(%s): Critical temp timer, "
1599                             "current SOC temperature: %d\n",
1600                             __func__, tempc);
1601                         if (tempc < ha->mr.critical_temperature) {
1602                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1603                                 clear_bit(FX00_CRITEMP_RECOVERY,
1604                                     &vha->dpc_flags);
1605                                 qla2xxx_wake_dpc(vha);
1606                         }
1607                         ha->mr.fw_critemp_timer_tick =
1608                             QLAFX00_CRITEMP_INTERVAL;
1609                 } else {
1610                         ha->mr.fw_critemp_timer_tick--;
1611                 }
1612         }
1613 }
1614
1615 /*
1616  *  qlfx00a_reset_initialize
1617  *      Re-initialize after a iSA device reset.
1618  *
1619  * Input:
1620  *      ha  = adapter block pointer.
1621  *
1622  * Returns:
1623  *      0 = success
1624  */
1625 int
1626 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1627 {
1628         struct qla_hw_data *ha = vha->hw;
1629
1630         if (vha->device_flags & DFLG_DEV_FAILED) {
1631                 ql_dbg(ql_dbg_init, vha, 0x0142,
1632                     "Device in failed state\n");
1633                 return QLA_SUCCESS;
1634         }
1635
1636         ha->flags.mr_reset_hdlr_active = 1;
1637
1638         if (vha->flags.online) {
1639                 scsi_block_requests(vha->host);
1640                 qlafx00_abort_isp_cleanup(vha, false);
1641         }
1642
1643         ql_log(ql_log_info, vha, 0x0143,
1644             "(%s): succeeded.\n", __func__);
1645         ha->flags.mr_reset_hdlr_active = 0;
1646         return QLA_SUCCESS;
1647 }
1648
1649 /*
1650  *  qlafx00_abort_isp
1651  *      Resets ISP and aborts all outstanding commands.
1652  *
1653  * Input:
1654  *      ha  = adapter block pointer.
1655  *
1656  * Returns:
1657  *      0 = success
1658  */
1659 int
1660 qlafx00_abort_isp(scsi_qla_host_t *vha)
1661 {
1662         struct qla_hw_data *ha = vha->hw;
1663
1664         if (vha->flags.online) {
1665                 if (unlikely(pci_channel_offline(ha->pdev) &&
1666                     ha->flags.pci_channel_io_perm_failure)) {
1667                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1668                         return QLA_SUCCESS;
1669                 }
1670
1671                 scsi_block_requests(vha->host);
1672                 qlafx00_abort_isp_cleanup(vha, false);
1673         } else {
1674                 scsi_block_requests(vha->host);
1675                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1676                 vha->qla_stats.total_isp_aborts++;
1677                 ha->isp_ops->reset_chip(vha);
1678                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1679                 /* Clear the Interrupts */
1680                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1681         }
1682
1683         ql_log(ql_log_info, vha, 0x0145,
1684             "(%s): succeeded.\n", __func__);
1685
1686         return QLA_SUCCESS;
1687 }
1688
1689 static inline fc_port_t*
1690 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1691 {
1692         fc_port_t       *fcport;
1693
1694         /* Check for matching device in remote port list. */
1695         fcport = NULL;
1696         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1697                 if (fcport->tgt_id == tgt_id) {
1698                         ql_dbg(ql_dbg_async, vha, 0x5072,
1699                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1700                             "and Remote TGT_ID: 0x%x\n",
1701                             fcport, fcport->tgt_id, tgt_id);
1702                         break;
1703                 }
1704         }
1705         return fcport;
1706 }
1707
1708 static void
1709 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1710 {
1711         fc_port_t       *fcport;
1712
1713         ql_log(ql_log_info, vha, 0x5073,
1714             "Detach TGT-ID: 0x%x\n", tgt_id);
1715
1716         fcport = qlafx00_get_fcport(vha, tgt_id);
1717         if (!fcport)
1718                 return;
1719
1720         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1721
1722         return;
1723 }
1724
1725 int
1726 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1727 {
1728         int rval = 0;
1729         uint32_t aen_code, aen_data;
1730
1731         aen_code = FCH_EVT_VENDOR_UNIQUE;
1732         aen_data = evt->u.aenfx.evtcode;
1733
1734         switch (evt->u.aenfx.evtcode) {
1735         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1736                 if (evt->u.aenfx.mbx[1] == 0) {
1737                         if (evt->u.aenfx.mbx[2] == 1) {
1738                                 if (!vha->flags.fw_tgt_reported)
1739                                         vha->flags.fw_tgt_reported = 1;
1740                                 atomic_set(&vha->loop_down_timer, 0);
1741                                 atomic_set(&vha->loop_state, LOOP_UP);
1742                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1743                                 qla2xxx_wake_dpc(vha);
1744                         } else if (evt->u.aenfx.mbx[2] == 2) {
1745                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1746                         }
1747                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1748                         if (evt->u.aenfx.mbx[2] == 1) {
1749                                 if (!vha->flags.fw_tgt_reported)
1750                                         vha->flags.fw_tgt_reported = 1;
1751                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1752                         } else if (evt->u.aenfx.mbx[2] == 2) {
1753                                 vha->device_flags |= DFLG_NO_CABLE;
1754                                 qla2x00_mark_all_devices_lost(vha, 1);
1755                         }
1756                 }
1757                 break;
1758         case QLAFX00_MBA_LINK_UP:
1759                 aen_code = FCH_EVT_LINKUP;
1760                 aen_data = 0;
1761                 break;
1762         case QLAFX00_MBA_LINK_DOWN:
1763                 aen_code = FCH_EVT_LINKDOWN;
1764                 aen_data = 0;
1765                 break;
1766         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1767                 ql_log(ql_log_info, vha, 0x5082,
1768                     "Process critical temperature event "
1769                     "aenmb[0]: %x\n",
1770                     evt->u.aenfx.evtcode);
1771                 scsi_block_requests(vha->host);
1772                 qlafx00_abort_isp_cleanup(vha, true);
1773                 scsi_unblock_requests(vha->host);
1774                 break;
1775         }
1776
1777         fc_host_post_event(vha->host, fc_get_event_number(),
1778             aen_code, aen_data);
1779
1780         return rval;
1781 }
1782
1783 static void
1784 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1785 {
1786         u64 port_name = 0, node_name = 0;
1787
1788         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1789         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1790
1791         fc_host_node_name(vha->host) = node_name;
1792         fc_host_port_name(vha->host) = port_name;
1793         if (!pinfo->port_type)
1794                 vha->hw->current_topology = ISP_CFG_F;
1795         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1796                 atomic_set(&vha->loop_state, LOOP_READY);
1797         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1798                 atomic_set(&vha->loop_state, LOOP_DOWN);
1799         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1800 }
1801
1802 static void
1803 qla2x00_fxdisc_iocb_timeout(void *data)
1804 {
1805         srb_t *sp = (srb_t *)data;
1806         struct srb_iocb *lio = &sp->u.iocb_cmd;
1807
1808         complete(&lio->u.fxiocb.fxiocb_comp);
1809 }
1810
1811 static void
1812 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1813 {
1814         srb_t *sp = (srb_t *)ptr;
1815         struct srb_iocb *lio = &sp->u.iocb_cmd;
1816
1817         complete(&lio->u.fxiocb.fxiocb_comp);
1818 }
1819
1820 int
1821 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1822 {
1823         srb_t *sp;
1824         struct srb_iocb *fdisc;
1825         int rval = QLA_FUNCTION_FAILED;
1826         struct qla_hw_data *ha = vha->hw;
1827         struct host_system_info *phost_info;
1828         struct register_host_info *preg_hsi;
1829         struct new_utsname *p_sysid = NULL;
1830         struct timeval tv;
1831
1832         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1833         if (!sp)
1834                 goto done;
1835
1836         fdisc = &sp->u.iocb_cmd;
1837         switch (fx_type) {
1838         case FXDISC_GET_CONFIG_INFO:
1839         fdisc->u.fxiocb.flags =
1840                     SRB_FXDISC_RESP_DMA_VALID;
1841                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1842                 break;
1843         case FXDISC_GET_PORT_INFO:
1844                 fdisc->u.fxiocb.flags =
1845                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1846                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1847                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1848                 break;
1849         case FXDISC_GET_TGT_NODE_INFO:
1850                 fdisc->u.fxiocb.flags =
1851                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1852                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1853                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1854                 break;
1855         case FXDISC_GET_TGT_NODE_LIST:
1856                 fdisc->u.fxiocb.flags =
1857                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1858                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1859                 break;
1860         case FXDISC_REG_HOST_INFO:
1861                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1862                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1863                 p_sysid = utsname();
1864                 if (!p_sysid) {
1865                         ql_log(ql_log_warn, vha, 0x303c,
1866                             "Not able to get the system information\n");
1867                         goto done_free_sp;
1868                 }
1869                 break;
1870         default:
1871                 break;
1872         }
1873
1874         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1875                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1876                     fdisc->u.fxiocb.req_len,
1877                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1878                 if (!fdisc->u.fxiocb.req_addr)
1879                         goto done_free_sp;
1880
1881                 if (fx_type == FXDISC_REG_HOST_INFO) {
1882                         preg_hsi = (struct register_host_info *)
1883                                 fdisc->u.fxiocb.req_addr;
1884                         phost_info = &preg_hsi->hsi;
1885                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1886                         phost_info->os_type = OS_TYPE_LINUX;
1887                         strncpy(phost_info->sysname,
1888                             p_sysid->sysname, SYSNAME_LENGTH);
1889                         strncpy(phost_info->nodename,
1890                             p_sysid->nodename, NODENAME_LENGTH);
1891                         strncpy(phost_info->release,
1892                             p_sysid->release, RELEASE_LENGTH);
1893                         strncpy(phost_info->version,
1894                             p_sysid->version, VERSION_LENGTH);
1895                         strncpy(phost_info->machine,
1896                             p_sysid->machine, MACHINE_LENGTH);
1897                         strncpy(phost_info->domainname,
1898                             p_sysid->domainname, DOMNAME_LENGTH);
1899                         strncpy(phost_info->hostdriver,
1900                             QLA2XXX_VERSION, VERSION_LENGTH);
1901                         do_gettimeofday(&tv);
1902                         preg_hsi->utc = (uint64_t)tv.tv_sec;
1903                         ql_dbg(ql_dbg_init, vha, 0x0149,
1904                             "ISP%04X: Host registration with firmware\n",
1905                             ha->pdev->device);
1906                         ql_dbg(ql_dbg_init, vha, 0x014a,
1907                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1908                             phost_info->os_type,
1909                             phost_info->sysname,
1910                             phost_info->nodename);
1911                         ql_dbg(ql_dbg_init, vha, 0x014b,
1912                             "release = '%s', version = '%s'\n",
1913                             phost_info->release,
1914                             phost_info->version);
1915                         ql_dbg(ql_dbg_init, vha, 0x014c,
1916                             "machine = '%s' "
1917                             "domainname = '%s', hostdriver = '%s'\n",
1918                             phost_info->machine,
1919                             phost_info->domainname,
1920                             phost_info->hostdriver);
1921                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1922                             (uint8_t *)phost_info,
1923                             sizeof(struct host_system_info));
1924                 }
1925         }
1926
1927         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1928                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1929                     fdisc->u.fxiocb.rsp_len,
1930                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1931                 if (!fdisc->u.fxiocb.rsp_addr)
1932                         goto done_unmap_req;
1933         }
1934
1935         sp->type = SRB_FXIOCB_DCMD;
1936         sp->name = "fxdisc";
1937         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1938         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1939         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1940         sp->done = qla2x00_fxdisc_sp_done;
1941
1942         rval = qla2x00_start_sp(sp);
1943         if (rval != QLA_SUCCESS)
1944                 goto done_unmap_dma;
1945
1946         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1947
1948         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1949                 struct config_info_data *pinfo =
1950                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1951                 memcpy(&vha->hw->mr.product_name, pinfo->product_name,
1952                     sizeof(vha->hw->mr.product_name));
1953                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1954                     sizeof(vha->hw->mr.symbolic_name));
1955                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1956                     sizeof(vha->hw->mr.serial_num));
1957                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1958                     sizeof(vha->hw->mr.hw_version));
1959                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1960                     sizeof(vha->hw->mr.fw_version));
1961                 strim(vha->hw->mr.fw_version);
1962                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1963                     sizeof(vha->hw->mr.uboot_version));
1964                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1965                     sizeof(vha->hw->mr.fru_serial_num));
1966                 vha->hw->mr.critical_temperature =
1967                     (pinfo->nominal_temp_value) ?
1968                     pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1969                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1970                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1971         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1972                 struct port_info_data *pinfo =
1973                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1974                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1975                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1976                 vha->d_id.b.domain = pinfo->port_id[0];
1977                 vha->d_id.b.area = pinfo->port_id[1];
1978                 vha->d_id.b.al_pa = pinfo->port_id[2];
1979                 qlafx00_update_host_attr(vha, pinfo);
1980                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1981                     (uint8_t *)pinfo, 16);
1982         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1983                 struct qlafx00_tgt_node_info *pinfo =
1984                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1985                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1986                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1987                 fcport->port_type = FCT_TARGET;
1988                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1989                     (uint8_t *)pinfo, 16);
1990         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1991                 struct qlafx00_tgt_node_info *pinfo =
1992                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1993                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1994                     (uint8_t *)pinfo, 16);
1995                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1996         }
1997         rval = le32_to_cpu(fdisc->u.fxiocb.result);
1998
1999 done_unmap_dma:
2000         if (fdisc->u.fxiocb.rsp_addr)
2001                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2002                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2003
2004 done_unmap_req:
2005         if (fdisc->u.fxiocb.req_addr)
2006                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2007                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2008 done_free_sp:
2009         sp->free(vha, sp);
2010 done:
2011         return rval;
2012 }
2013
2014 static void
2015 qlafx00_abort_iocb_timeout(void *data)
2016 {
2017         srb_t *sp = (srb_t *)data;
2018         struct srb_iocb *abt = &sp->u.iocb_cmd;
2019
2020         abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2021         complete(&abt->u.abt.comp);
2022 }
2023
2024 static void
2025 qlafx00_abort_sp_done(void *data, void *ptr, int res)
2026 {
2027         srb_t *sp = (srb_t *)ptr;
2028         struct srb_iocb *abt = &sp->u.iocb_cmd;
2029
2030         complete(&abt->u.abt.comp);
2031 }
2032
2033 static int
2034 qlafx00_async_abt_cmd(srb_t *cmd_sp)
2035 {
2036         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2037         fc_port_t *fcport = cmd_sp->fcport;
2038         struct srb_iocb *abt_iocb;
2039         srb_t *sp;
2040         int rval = QLA_FUNCTION_FAILED;
2041
2042         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2043         if (!sp)
2044                 goto done;
2045
2046         abt_iocb = &sp->u.iocb_cmd;
2047         sp->type = SRB_ABT_CMD;
2048         sp->name = "abort";
2049         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2050         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2051         sp->done = qlafx00_abort_sp_done;
2052         abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2053         init_completion(&abt_iocb->u.abt.comp);
2054
2055         rval = qla2x00_start_sp(sp);
2056         if (rval != QLA_SUCCESS)
2057                 goto done_free_sp;
2058
2059         ql_dbg(ql_dbg_async, vha, 0x507c,
2060             "Abort command issued - hdl=%x, target_id=%x\n",
2061             cmd_sp->handle, fcport->tgt_id);
2062
2063         wait_for_completion(&abt_iocb->u.abt.comp);
2064
2065         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2066             QLA_SUCCESS : QLA_FUNCTION_FAILED;
2067
2068 done_free_sp:
2069         sp->free(vha, sp);
2070 done:
2071         return rval;
2072 }
2073
2074 int
2075 qlafx00_abort_command(srb_t *sp)
2076 {
2077         unsigned long   flags = 0;
2078
2079         uint32_t        handle;
2080         fc_port_t       *fcport = sp->fcport;
2081         struct scsi_qla_host *vha = fcport->vha;
2082         struct qla_hw_data *ha = vha->hw;
2083         struct req_que *req = vha->req;
2084
2085         spin_lock_irqsave(&ha->hardware_lock, flags);
2086         for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2087                 if (req->outstanding_cmds[handle] == sp)
2088                         break;
2089         }
2090         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2091         if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2092                 /* Command not found. */
2093                 return QLA_FUNCTION_FAILED;
2094         }
2095         return qlafx00_async_abt_cmd(sp);
2096 }
2097
2098 /*
2099  * qlafx00_initialize_adapter
2100  *      Initialize board.
2101  *
2102  * Input:
2103  *      ha = adapter block pointer.
2104  *
2105  * Returns:
2106  *      0 = success
2107  */
2108 int
2109 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2110 {
2111         int     rval;
2112         struct qla_hw_data *ha = vha->hw;
2113         uint32_t tempc;
2114
2115         /* Clear adapter flags. */
2116         vha->flags.online = 0;
2117         ha->flags.chip_reset_done = 0;
2118         vha->flags.reset_active = 0;
2119         ha->flags.pci_channel_io_perm_failure = 0;
2120         ha->flags.eeh_busy = 0;
2121         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2122         atomic_set(&vha->loop_state, LOOP_DOWN);
2123         vha->device_flags = DFLG_NO_CABLE;
2124         vha->dpc_flags = 0;
2125         vha->flags.management_server_logged_in = 0;
2126         vha->marker_needed = 0;
2127         ha->isp_abort_cnt = 0;
2128         ha->beacon_blink_led = 0;
2129
2130         set_bit(0, ha->req_qid_map);
2131         set_bit(0, ha->rsp_qid_map);
2132
2133         ql_dbg(ql_dbg_init, vha, 0x0147,
2134             "Configuring PCI space...\n");
2135
2136         rval = ha->isp_ops->pci_config(vha);
2137         if (rval) {
2138                 ql_log(ql_log_warn, vha, 0x0148,
2139                     "Unable to configure PCI space.\n");
2140                 return rval;
2141         }
2142
2143         rval = qlafx00_init_fw_ready(vha);
2144         if (rval != QLA_SUCCESS)
2145                 return rval;
2146
2147         qlafx00_save_queue_ptrs(vha);
2148
2149         rval = qlafx00_config_queues(vha);
2150         if (rval != QLA_SUCCESS)
2151                 return rval;
2152
2153         /*
2154          * Allocate the array of outstanding commands
2155          * now that we know the firmware resources.
2156          */
2157         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2158         if (rval != QLA_SUCCESS)
2159                 return rval;
2160
2161         rval = qla2x00_init_rings(vha);
2162         ha->flags.chip_reset_done = 1;
2163
2164         tempc = QLAFX00_GET_TEMPERATURE(ha);
2165         ql_dbg(ql_dbg_init, vha, 0x0152,
2166             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2167             __func__, tempc);
2168
2169         return rval;
2170 }
2171
2172 uint32_t
2173 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2174                       char *buf)
2175 {
2176         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2177         int rval = QLA_FUNCTION_FAILED;
2178         uint32_t state[1];
2179
2180         if (qla2x00_reset_active(vha))
2181                 ql_log(ql_log_warn, vha, 0x70ce,
2182                     "ISP reset active.\n");
2183         else if (!vha->hw->flags.eeh_busy) {
2184                 rval = qlafx00_get_firmware_state(vha, state);
2185         }
2186         if (rval != QLA_SUCCESS)
2187                 memset(state, -1, sizeof(state));
2188
2189         return state[0];
2190 }
2191
2192 void
2193 qlafx00_get_host_speed(struct Scsi_Host *shost)
2194 {
2195         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2196                                         (shost_priv(shost)))->hw;
2197         u32 speed = FC_PORTSPEED_UNKNOWN;
2198
2199         switch (ha->link_data_rate) {
2200         case QLAFX00_PORT_SPEED_2G:
2201                 speed = FC_PORTSPEED_2GBIT;
2202                 break;
2203         case QLAFX00_PORT_SPEED_4G:
2204                 speed = FC_PORTSPEED_4GBIT;
2205                 break;
2206         case QLAFX00_PORT_SPEED_8G:
2207                 speed = FC_PORTSPEED_8GBIT;
2208                 break;
2209         case QLAFX00_PORT_SPEED_10G:
2210                 speed = FC_PORTSPEED_10GBIT;
2211                 break;
2212         }
2213         fc_host_speed(shost) = speed;
2214 }
2215
2216 /** QLAFX00 specific ISR implementation functions */
2217
2218 static inline void
2219 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2220                      uint32_t sense_len, struct rsp_que *rsp, int res)
2221 {
2222         struct scsi_qla_host *vha = sp->fcport->vha;
2223         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2224         uint32_t track_sense_len;
2225
2226         SET_FW_SENSE_LEN(sp, sense_len);
2227
2228         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2229                 sense_len = SCSI_SENSE_BUFFERSIZE;
2230
2231         SET_CMD_SENSE_LEN(sp, sense_len);
2232         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2233         track_sense_len = sense_len;
2234
2235         if (sense_len > par_sense_len)
2236                 sense_len = par_sense_len;
2237
2238         memcpy(cp->sense_buffer, sense_data, sense_len);
2239
2240         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2241
2242         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2243         track_sense_len -= sense_len;
2244         SET_CMD_SENSE_LEN(sp, track_sense_len);
2245
2246         ql_dbg(ql_dbg_io, vha, 0x304d,
2247             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2248             sense_len, par_sense_len, track_sense_len);
2249         if (GET_FW_SENSE_LEN(sp) > 0) {
2250                 rsp->status_srb = sp;
2251                 cp->result = res;
2252         }
2253
2254         if (sense_len) {
2255                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2256                     "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2257                     sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2258                     cp);
2259                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2260                     cp->sense_buffer, sense_len);
2261         }
2262 }
2263
2264 static void
2265 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2266                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2267                       __le16 sstatus, __le16 cpstatus)
2268 {
2269         struct srb_iocb *tmf;
2270
2271         tmf = &sp->u.iocb_cmd;
2272         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2273             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2274                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2275         tmf->u.tmf.comp_status = cpstatus;
2276         sp->done(vha, sp, 0);
2277 }
2278
2279 static void
2280 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2281                          struct abort_iocb_entry_fx00 *pkt)
2282 {
2283         const char func[] = "ABT_IOCB";
2284         srb_t *sp;
2285         struct srb_iocb *abt;
2286
2287         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2288         if (!sp)
2289                 return;
2290
2291         abt = &sp->u.iocb_cmd;
2292         abt->u.abt.comp_status = pkt->tgt_id_sts;
2293         sp->done(vha, sp, 0);
2294 }
2295
2296 static void
2297 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2298                          struct ioctl_iocb_entry_fx00 *pkt)
2299 {
2300         const char func[] = "IOSB_IOCB";
2301         srb_t *sp;
2302         struct fc_bsg_job *bsg_job;
2303         struct srb_iocb *iocb_job;
2304         int res;
2305         struct qla_mt_iocb_rsp_fx00 fstatus;
2306         uint8_t *fw_sts_ptr;
2307
2308         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2309         if (!sp)
2310                 return;
2311
2312         if (sp->type == SRB_FXIOCB_DCMD) {
2313                 iocb_job = &sp->u.iocb_cmd;
2314                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2315                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2316                 iocb_job->u.fxiocb.result = pkt->status;
2317                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2318                         iocb_job->u.fxiocb.req_data =
2319                             pkt->dataword_r;
2320         } else {
2321                 bsg_job = sp->u.bsg_job;
2322
2323                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2324
2325                 fstatus.reserved_1 = pkt->reserved_0;
2326                 fstatus.func_type = pkt->comp_func_num;
2327                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2328                 fstatus.ioctl_data = pkt->dataword_r;
2329                 fstatus.adapid = pkt->adapid;
2330                 fstatus.adapid_hi = pkt->adapid_hi;
2331                 fstatus.reserved_2 = pkt->reserved_1;
2332                 fstatus.res_count = pkt->residuallen;
2333                 fstatus.status = pkt->status;
2334                 fstatus.seq_number = pkt->seq_no;
2335                 memcpy(fstatus.reserved_3,
2336                     pkt->reserved_2, 20 * sizeof(uint8_t));
2337
2338                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2339                     sizeof(struct fc_bsg_reply);
2340
2341                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2342                     sizeof(struct qla_mt_iocb_rsp_fx00));
2343                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2344                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2345
2346                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2347                     sp->fcport->vha, 0x5080,
2348                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2349
2350                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2351                     sp->fcport->vha, 0x5074,
2352                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2353
2354                 res = bsg_job->reply->result = DID_OK << 16;
2355                 bsg_job->reply->reply_payload_rcv_len =
2356                     bsg_job->reply_payload.payload_len;
2357         }
2358         sp->done(vha, sp, res);
2359 }
2360
2361 /**
2362  * qlafx00_status_entry() - Process a Status IOCB entry.
2363  * @ha: SCSI driver HA context
2364  * @pkt: Entry pointer
2365  */
2366 static void
2367 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2368 {
2369         srb_t           *sp;
2370         fc_port_t       *fcport;
2371         struct scsi_cmnd *cp;
2372         struct sts_entry_fx00 *sts;
2373         __le16          comp_status;
2374         __le16          scsi_status;
2375         uint16_t        ox_id;
2376         __le16          lscsi_status;
2377         int32_t         resid;
2378         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2379             fw_resid_len;
2380         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2381         struct qla_hw_data *ha = vha->hw;
2382         uint32_t hindex, handle;
2383         uint16_t que;
2384         struct req_que *req;
2385         int logit = 1;
2386         int res = 0;
2387
2388         sts = (struct sts_entry_fx00 *) pkt;
2389
2390         comp_status = sts->comp_status;
2391         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2392         hindex = sts->handle;
2393         handle = LSW(hindex);
2394
2395         que = MSW(hindex);
2396         req = ha->req_q_map[que];
2397
2398         /* Validate handle. */
2399         if (handle < req->num_outstanding_cmds)
2400                 sp = req->outstanding_cmds[handle];
2401         else
2402                 sp = NULL;
2403
2404         if (sp == NULL) {
2405                 ql_dbg(ql_dbg_io, vha, 0x3034,
2406                     "Invalid status handle (0x%x).\n", handle);
2407
2408                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2409                 qla2xxx_wake_dpc(vha);
2410                 return;
2411         }
2412
2413         if (sp->type == SRB_TM_CMD) {
2414                 req->outstanding_cmds[handle] = NULL;
2415                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2416                     scsi_status, comp_status);
2417                 return;
2418         }
2419
2420         /* Fast path completion. */
2421         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2422                 qla2x00_do_host_ramp_up(vha);
2423                 qla2x00_process_completed_request(vha, req, handle);
2424                 return;
2425         }
2426
2427         req->outstanding_cmds[handle] = NULL;
2428         cp = GET_CMD_SP(sp);
2429         if (cp == NULL) {
2430                 ql_dbg(ql_dbg_io, vha, 0x3048,
2431                     "Command already returned (0x%x/%p).\n",
2432                     handle, sp);
2433
2434                 return;
2435         }
2436
2437         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2438
2439         fcport = sp->fcport;
2440
2441         ox_id = 0;
2442         sense_len = par_sense_len = rsp_info_len = resid_len =
2443                 fw_resid_len = 0;
2444         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2445                 sense_len = sts->sense_len;
2446         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2447             | (uint16_t)SS_RESIDUAL_OVER)))
2448                 resid_len = le32_to_cpu(sts->residual_len);
2449         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2450                 fw_resid_len = le32_to_cpu(sts->residual_len);
2451         rsp_info = sense_data = sts->data;
2452         par_sense_len = sizeof(sts->data);
2453
2454         /* Check for overrun. */
2455         if (comp_status == CS_COMPLETE &&
2456             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2457                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2458
2459         /*
2460          * Based on Host and scsi status generate status code for Linux
2461          */
2462         switch (le16_to_cpu(comp_status)) {
2463         case CS_COMPLETE:
2464         case CS_QUEUE_FULL:
2465                 if (scsi_status == 0) {
2466                         res = DID_OK << 16;
2467                         break;
2468                 }
2469                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2470                     | (uint16_t)SS_RESIDUAL_OVER))) {
2471                         resid = resid_len;
2472                         scsi_set_resid(cp, resid);
2473
2474                         if (!lscsi_status &&
2475                             ((unsigned)(scsi_bufflen(cp) - resid) <
2476                              cp->underflow)) {
2477                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2478                                     "Mid-layer underflow "
2479                                     "detected (0x%x of 0x%x bytes).\n",
2480                                     resid, scsi_bufflen(cp));
2481
2482                                 res = DID_ERROR << 16;
2483                                 break;
2484                         }
2485                 }
2486                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2487
2488                 if (lscsi_status ==
2489                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2490                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2491                             "QUEUE FULL detected.\n");
2492                         break;
2493                 }
2494                 logit = 0;
2495                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2496                         break;
2497
2498                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2499                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2500                         break;
2501
2502                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2503                     rsp, res);
2504                 break;
2505
2506         case CS_DATA_UNDERRUN:
2507                 /* Use F/W calculated residual length. */
2508                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2509                         resid = fw_resid_len;
2510                 else
2511                         resid = resid_len;
2512                 scsi_set_resid(cp, resid);
2513                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2514                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2515                             && fw_resid_len != resid_len) {
2516                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2517                                     "Dropped frame(s) detected "
2518                                     "(0x%x of 0x%x bytes).\n",
2519                                     resid, scsi_bufflen(cp));
2520
2521                                 res = DID_ERROR << 16 |
2522                                     le16_to_cpu(lscsi_status);
2523                                 goto check_scsi_status;
2524                         }
2525
2526                         if (!lscsi_status &&
2527                             ((unsigned)(scsi_bufflen(cp) - resid) <
2528                             cp->underflow)) {
2529                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2530                                     "Mid-layer underflow "
2531                                     "detected (0x%x of 0x%x bytes, "
2532                                     "cp->underflow: 0x%x).\n",
2533                                     resid, scsi_bufflen(cp), cp->underflow);
2534
2535                                 res = DID_ERROR << 16;
2536                                 break;
2537                         }
2538                 } else if (lscsi_status !=
2539                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2540                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2541                         /*
2542                          * scsi status of task set and busy are considered
2543                          * to be task not completed.
2544                          */
2545
2546                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2547                             "Dropped frame(s) detected (0x%x "
2548                             "of 0x%x bytes).\n", resid,
2549                             scsi_bufflen(cp));
2550
2551                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2552                         goto check_scsi_status;
2553                 } else {
2554                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2555                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2556                             scsi_status, lscsi_status);
2557                 }
2558
2559                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2560                 logit = 0;
2561
2562 check_scsi_status:
2563                 /*
2564                  * Check to see if SCSI Status is non zero. If so report SCSI
2565                  * Status.
2566                  */
2567                 if (lscsi_status != 0) {
2568                         if (lscsi_status ==
2569                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2570                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2571                                     "QUEUE FULL detected.\n");
2572                                 logit = 1;
2573                                 break;
2574                         }
2575                         if (lscsi_status !=
2576                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2577                                 break;
2578
2579                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2580                         if (!(scsi_status &
2581                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2582                                 break;
2583
2584                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2585                             sense_len, rsp, res);
2586                 }
2587                 break;
2588
2589         case CS_PORT_LOGGED_OUT:
2590         case CS_PORT_CONFIG_CHG:
2591         case CS_PORT_BUSY:
2592         case CS_INCOMPLETE:
2593         case CS_PORT_UNAVAILABLE:
2594         case CS_TIMEOUT:
2595         case CS_RESET:
2596
2597                 /*
2598                  * We are going to have the fc class block the rport
2599                  * while we try to recover so instruct the mid layer
2600                  * to requeue until the class decides how to handle this.
2601                  */
2602                 res = DID_TRANSPORT_DISRUPTED << 16;
2603
2604                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2605                     "Port down status: port-state=0x%x.\n",
2606                     atomic_read(&fcport->state));
2607
2608                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2609                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2610                 break;
2611
2612         case CS_ABORTED:
2613                 res = DID_RESET << 16;
2614                 break;
2615
2616         default:
2617                 res = DID_ERROR << 16;
2618                 break;
2619         }
2620
2621         if (logit)
2622                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2623                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2624                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2625                     "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2626                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2627                     comp_status, scsi_status, res, vha->host_no,
2628                     cp->device->id, cp->device->lun, fcport->tgt_id,
2629                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2630                     rsp_info_len, resid_len, fw_resid_len, sense_len,
2631                     par_sense_len, rsp_info_len);
2632
2633         if (!res)
2634                 qla2x00_do_host_ramp_up(vha);
2635
2636         if (rsp->status_srb == NULL)
2637                 sp->done(ha, sp, res);
2638 }
2639
2640 /**
2641  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2642  * @ha: SCSI driver HA context
2643  * @pkt: Entry pointer
2644  *
2645  * Extended sense data.
2646  */
2647 static void
2648 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2649 {
2650         uint8_t sense_sz = 0;
2651         struct qla_hw_data *ha = rsp->hw;
2652         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2653         srb_t *sp = rsp->status_srb;
2654         struct scsi_cmnd *cp;
2655         uint32_t sense_len;
2656         uint8_t *sense_ptr;
2657
2658         if (!sp) {
2659                 ql_dbg(ql_dbg_io, vha, 0x3037,
2660                     "no SP, sp = %p\n", sp);
2661                 return;
2662         }
2663
2664         if (!GET_FW_SENSE_LEN(sp)) {
2665                 ql_dbg(ql_dbg_io, vha, 0x304b,
2666                     "no fw sense data, sp = %p\n", sp);
2667                 return;
2668         }
2669         cp = GET_CMD_SP(sp);
2670         if (cp == NULL) {
2671                 ql_log(ql_log_warn, vha, 0x303b,
2672                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2673
2674                 rsp->status_srb = NULL;
2675                 return;
2676         }
2677
2678         if (!GET_CMD_SENSE_LEN(sp)) {
2679                 ql_dbg(ql_dbg_io, vha, 0x304c,
2680                     "no sense data, sp = %p\n", sp);
2681         } else {
2682                 sense_len = GET_CMD_SENSE_LEN(sp);
2683                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2684                 ql_dbg(ql_dbg_io, vha, 0x304f,
2685                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2686                     sp, sense_len, sense_ptr);
2687
2688                 if (sense_len > sizeof(pkt->data))
2689                         sense_sz = sizeof(pkt->data);
2690                 else
2691                         sense_sz = sense_len;
2692
2693                 /* Move sense data. */
2694                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2695                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2696                 memcpy(sense_ptr, pkt->data, sense_sz);
2697                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2698                     sense_ptr, sense_sz);
2699
2700                 sense_len -= sense_sz;
2701                 sense_ptr += sense_sz;
2702
2703                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2704                 SET_CMD_SENSE_LEN(sp, sense_len);
2705         }
2706         sense_len = GET_FW_SENSE_LEN(sp);
2707         sense_len = (sense_len > sizeof(pkt->data)) ?
2708             (sense_len - sizeof(pkt->data)) : 0;
2709         SET_FW_SENSE_LEN(sp, sense_len);
2710
2711         /* Place command on done queue. */
2712         if (sense_len == 0) {
2713                 rsp->status_srb = NULL;
2714                 sp->done(ha, sp, cp->result);
2715         }
2716 }
2717
2718 /**
2719  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2720  * @ha: SCSI driver HA context
2721  */
2722 static void
2723 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2724         struct rsp_que *rsp, void *pkt)
2725 {
2726         srb_t           *sp;
2727         struct multi_sts_entry_fx00 *stsmfx;
2728         struct qla_hw_data *ha = vha->hw;
2729         uint32_t handle, hindex, handle_count, i;
2730         uint16_t que;
2731         struct req_que *req;
2732         __le32 *handle_ptr;
2733
2734         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2735
2736         handle_count = stsmfx->handle_count;
2737
2738         if (handle_count > MAX_HANDLE_COUNT) {
2739                 ql_dbg(ql_dbg_io, vha, 0x3035,
2740                     "Invalid handle count (0x%x).\n", handle_count);
2741                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2742                 qla2xxx_wake_dpc(vha);
2743                 return;
2744         }
2745
2746         handle_ptr =  &stsmfx->handles[0];
2747
2748         for (i = 0; i < handle_count; i++) {
2749                 hindex = le32_to_cpu(*handle_ptr);
2750                 handle = LSW(hindex);
2751                 que = MSW(hindex);
2752                 req = ha->req_q_map[que];
2753
2754                 /* Validate handle. */
2755                 if (handle < req->num_outstanding_cmds)
2756                         sp = req->outstanding_cmds[handle];
2757                 else
2758                         sp = NULL;
2759
2760                 if (sp == NULL) {
2761                         ql_dbg(ql_dbg_io, vha, 0x3044,
2762                             "Invalid status handle (0x%x).\n", handle);
2763                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2764                         qla2xxx_wake_dpc(vha);
2765                         return;
2766                 }
2767                 qla2x00_process_completed_request(vha, req, handle);
2768                 handle_ptr++;
2769         }
2770 }
2771
2772 /**
2773  * qlafx00_error_entry() - Process an error entry.
2774  * @ha: SCSI driver HA context
2775  * @pkt: Entry pointer
2776  */
2777 static void
2778 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2779                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2780 {
2781         srb_t *sp;
2782         struct qla_hw_data *ha = vha->hw;
2783         const char func[] = "ERROR-IOCB";
2784         uint16_t que = MSW(pkt->handle);
2785         struct req_que *req = NULL;
2786         int res = DID_ERROR << 16;
2787
2788         ql_dbg(ql_dbg_async, vha, 0x507f,
2789             "type of error status in response: 0x%x\n", estatus);
2790
2791         req = ha->req_q_map[que];
2792
2793         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2794         if (sp) {
2795                 sp->done(ha, sp, res);
2796                 return;
2797         }
2798
2799         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2800         qla2xxx_wake_dpc(vha);
2801 }
2802
2803 /**
2804  * qlafx00_process_response_queue() - Process response queue entries.
2805  * @ha: SCSI driver HA context
2806  */
2807 static void
2808 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2809         struct rsp_que *rsp)
2810 {
2811         struct sts_entry_fx00 *pkt;
2812         response_t *lptr;
2813
2814         while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2815             RESPONSE_PROCESSED) {
2816                 lptr = rsp->ring_ptr;
2817                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2818                     sizeof(rsp->rsp_pkt));
2819                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2820
2821                 rsp->ring_index++;
2822                 if (rsp->ring_index == rsp->length) {
2823                         rsp->ring_index = 0;
2824                         rsp->ring_ptr = rsp->ring;
2825                 } else {
2826                         rsp->ring_ptr++;
2827                 }
2828
2829                 if (pkt->entry_status != 0 &&
2830                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2831                         qlafx00_error_entry(vha, rsp,
2832                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2833                             pkt->entry_type);
2834                         goto next_iter;
2835                         continue;
2836                 }
2837
2838                 switch (pkt->entry_type) {
2839                 case STATUS_TYPE_FX00:
2840                         qlafx00_status_entry(vha, rsp, pkt);
2841                         break;
2842
2843                 case STATUS_CONT_TYPE_FX00:
2844                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2845                         break;
2846
2847                 case MULTI_STATUS_TYPE_FX00:
2848                         qlafx00_multistatus_entry(vha, rsp, pkt);
2849                         break;
2850
2851                 case ABORT_IOCB_TYPE_FX00:
2852                         qlafx00_abort_iocb_entry(vha, rsp->req,
2853                            (struct abort_iocb_entry_fx00 *)pkt);
2854                         break;
2855
2856                 case IOCTL_IOSB_TYPE_FX00:
2857                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2858                             (struct ioctl_iocb_entry_fx00 *)pkt);
2859                         break;
2860                 default:
2861                         /* Type Not Supported. */
2862                         ql_dbg(ql_dbg_async, vha, 0x5081,
2863                             "Received unknown response pkt type %x "
2864                             "entry status=%x.\n",
2865                             pkt->entry_type, pkt->entry_status);
2866                         break;
2867                 }
2868 next_iter:
2869                 WRT_REG_DWORD((void __iomem *)&lptr->signature,
2870                     RESPONSE_PROCESSED);
2871                 wmb();
2872         }
2873
2874         /* Adjust ring index */
2875         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2876 }
2877
2878 /**
2879  * qlafx00_async_event() - Process aynchronous events.
2880  * @ha: SCSI driver HA context
2881  */
2882 static void
2883 qlafx00_async_event(scsi_qla_host_t *vha)
2884 {
2885         struct qla_hw_data *ha = vha->hw;
2886         struct device_reg_fx00 __iomem *reg;
2887         int data_size = 1;
2888
2889         reg = &ha->iobase->ispfx00;
2890         /* Setup to process RIO completion. */
2891         switch (ha->aenmb[0]) {
2892         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2893                 ql_log(ql_log_warn, vha, 0x5079,
2894                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2895                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2896                 break;
2897
2898         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2899                 ql_dbg(ql_dbg_async, vha, 0x5076,
2900                     "Asynchronous FW shutdown requested.\n");
2901                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2902                 qla2xxx_wake_dpc(vha);
2903                 break;
2904
2905         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2906                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2907                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2908                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2909                 ql_dbg(ql_dbg_async, vha, 0x5077,
2910                     "Asynchronous port Update received "
2911                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2912                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2913                 data_size = 4;
2914                 break;
2915
2916         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2917                 ql_log(ql_log_info, vha, 0x5085,
2918                     "Asynchronous over temperature event received "
2919                     "aenmb[0]: %x\n",
2920                     ha->aenmb[0]);
2921                 break;
2922
2923         case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2924                 ql_log(ql_log_info, vha, 0x5086,
2925                     "Asynchronous normal temperature event received "
2926                     "aenmb[0]: %x\n",
2927                     ha->aenmb[0]);
2928                 break;
2929
2930         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2931                 ql_log(ql_log_info, vha, 0x5083,
2932                     "Asynchronous critical temperature event received "
2933                     "aenmb[0]: %x\n",
2934                 ha->aenmb[0]);
2935                 break;
2936
2937         default:
2938                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2939                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2940                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2941                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2942                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2943                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2944                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2945                 ql_dbg(ql_dbg_async, vha, 0x5078,
2946                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2947                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2948                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2949                 break;
2950         }
2951         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2952             (uint32_t *)ha->aenmb, data_size);
2953 }
2954
2955 /**
2956  *
2957  * qlafx00x_mbx_completion() - Process mailbox command completions.
2958  * @ha: SCSI driver HA context
2959  * @mb16: Mailbox16 register
2960  */
2961 static void
2962 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2963 {
2964         uint16_t        cnt;
2965         uint16_t __iomem *wptr;
2966         struct qla_hw_data *ha = vha->hw;
2967         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2968
2969         if (!ha->mcp32)
2970                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2971
2972         /* Load return mailbox registers. */
2973         ha->flags.mbox_int = 1;
2974         ha->mailbox_out32[0] = mb0;
2975         wptr = (uint16_t __iomem *)&reg->mailbox17;
2976
2977         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2978                 ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
2979                 wptr++;
2980         }
2981 }
2982
2983 /**
2984  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2985  * @irq:
2986  * @dev_id: SCSI driver HA context
2987  *
2988  * Called by system whenever the host adapter generates an interrupt.
2989  *
2990  * Returns handled flag.
2991  */
2992 irqreturn_t
2993 qlafx00_intr_handler(int irq, void *dev_id)
2994 {
2995         scsi_qla_host_t *vha;
2996         struct qla_hw_data *ha;
2997         struct device_reg_fx00 __iomem *reg;
2998         int             status;
2999         unsigned long   iter;
3000         uint32_t        stat;
3001         uint32_t        mb[8];
3002         struct rsp_que *rsp;
3003         unsigned long   flags;
3004         uint32_t clr_intr = 0;
3005
3006         rsp = (struct rsp_que *) dev_id;
3007         if (!rsp) {
3008                 ql_log(ql_log_info, NULL, 0x507d,
3009                     "%s: NULL response queue pointer.\n", __func__);
3010                 return IRQ_NONE;
3011         }
3012
3013         ha = rsp->hw;
3014         reg = &ha->iobase->ispfx00;
3015         status = 0;
3016
3017         if (unlikely(pci_channel_offline(ha->pdev)))
3018                 return IRQ_HANDLED;
3019
3020         spin_lock_irqsave(&ha->hardware_lock, flags);
3021         vha = pci_get_drvdata(ha->pdev);
3022         for (iter = 50; iter--; clr_intr = 0) {
3023                 stat = QLAFX00_RD_INTR_REG(ha);
3024                 if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3025                         break;
3026
3027                 switch (stat & QLAFX00_HST_INT_STS_BITS) {
3028                 case QLAFX00_INTR_MB_CMPLT:
3029                 case QLAFX00_INTR_MB_RSP_CMPLT:
3030                 case QLAFX00_INTR_MB_ASYNC_CMPLT:
3031                 case QLAFX00_INTR_ALL_CMPLT:
3032                         mb[0] = RD_REG_WORD(&reg->mailbox16);
3033                         qlafx00_mbx_completion(vha, mb[0]);
3034                         status |= MBX_INTERRUPT;
3035                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
3036                         break;
3037                 case QLAFX00_INTR_ASYNC_CMPLT:
3038                 case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3039                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3040                         qlafx00_async_event(vha);
3041                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3042                         break;
3043                 case QLAFX00_INTR_RSP_CMPLT:
3044                         qlafx00_process_response_queue(vha, rsp);
3045                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3046                         break;
3047                 default:
3048                         ql_dbg(ql_dbg_async, vha, 0x507a,
3049                             "Unrecognized interrupt type (%d).\n", stat);
3050                         break;
3051                 }
3052                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
3053                 QLAFX00_RD_INTR_REG(ha);
3054         }
3055
3056         qla2x00_handle_mbx_completion(ha, status);
3057         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3058
3059         return IRQ_HANDLED;
3060 }
3061
3062 /** QLAFX00 specific IOCB implementation functions */
3063
3064 static inline cont_a64_entry_t *
3065 qlafx00_prep_cont_type1_iocb(struct req_que *req,
3066                              cont_a64_entry_t *lcont_pkt)
3067 {
3068         cont_a64_entry_t *cont_pkt;
3069
3070         /* Adjust ring index. */
3071         req->ring_index++;
3072         if (req->ring_index == req->length) {
3073                 req->ring_index = 0;
3074                 req->ring_ptr = req->ring;
3075         } else {
3076                 req->ring_ptr++;
3077         }
3078
3079         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3080
3081         /* Load packet defaults. */
3082         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3083
3084         return cont_pkt;
3085 }
3086
3087 static inline void
3088 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3089                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3090 {
3091         uint16_t        avail_dsds;
3092         __le32 *cur_dsd;
3093         scsi_qla_host_t *vha;
3094         struct scsi_cmnd *cmd;
3095         struct scatterlist *sg;
3096         int i, cont;
3097         struct req_que *req;
3098         cont_a64_entry_t lcont_pkt;
3099         cont_a64_entry_t *cont_pkt;
3100
3101         vha = sp->fcport->vha;
3102         req = vha->req;
3103
3104         cmd = GET_CMD_SP(sp);
3105         cont = 0;
3106         cont_pkt = NULL;
3107
3108         /* Update entry type to indicate Command Type 3 IOCB */
3109         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3110
3111         /* No data transfer */
3112         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3113                 lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3114                 return;
3115         }
3116
3117         /* Set transfer direction */
3118         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3119                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3120                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3121         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3122                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3123                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3124         }
3125
3126         /* One DSD is available in the Command Type 3 IOCB */
3127         avail_dsds = 1;
3128         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3129
3130         /* Load data segments */
3131         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3132                 dma_addr_t      sle_dma;
3133
3134                 /* Allocate additional continuation packets? */
3135                 if (avail_dsds == 0) {
3136                         /*
3137                          * Five DSDs are available in the Continuation
3138                          * Type 1 IOCB.
3139                          */
3140                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3141                         cont_pkt =
3142                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3143                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3144                         avail_dsds = 5;
3145                         cont = 1;
3146                 }
3147
3148                 sle_dma = sg_dma_address(sg);
3149                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3150                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3151                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3152                 avail_dsds--;
3153                 if (avail_dsds == 0 && cont == 1) {
3154                         cont = 0;
3155                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3156                             REQUEST_ENTRY_SIZE);
3157                 }
3158
3159         }
3160         if (avail_dsds != 0 && cont == 1) {
3161                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3162                     REQUEST_ENTRY_SIZE);
3163         }
3164 }
3165
3166 /**
3167  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3168  * @sp: command to send to the ISP
3169  *
3170  * Returns non-zero if a failure occurred, else zero.
3171  */
3172 int
3173 qlafx00_start_scsi(srb_t *sp)
3174 {
3175         int             ret, nseg;
3176         unsigned long   flags;
3177         uint32_t        index;
3178         uint32_t        handle;
3179         uint16_t        cnt;
3180         uint16_t        req_cnt;
3181         uint16_t        tot_dsds;
3182         struct req_que *req = NULL;
3183         struct rsp_que *rsp = NULL;
3184         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3185         struct scsi_qla_host *vha = sp->fcport->vha;
3186         struct qla_hw_data *ha = vha->hw;
3187         struct cmd_type_7_fx00 *cmd_pkt;
3188         struct cmd_type_7_fx00 lcmd_pkt;
3189         struct scsi_lun llun;
3190         char            tag[2];
3191
3192         /* Setup device pointers. */
3193         ret = 0;
3194
3195         rsp = ha->rsp_q_map[0];
3196         req = vha->req;
3197
3198         /* So we know we haven't pci_map'ed anything yet */
3199         tot_dsds = 0;
3200
3201         /* Forcing marker needed for now */
3202         vha->marker_needed = 0;
3203
3204         /* Send marker if required */
3205         if (vha->marker_needed != 0) {
3206                 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3207                     QLA_SUCCESS)
3208                         return QLA_FUNCTION_FAILED;
3209                 vha->marker_needed = 0;
3210         }
3211
3212         /* Acquire ring specific lock */
3213         spin_lock_irqsave(&ha->hardware_lock, flags);
3214
3215         /* Check for room in outstanding command list. */
3216         handle = req->current_outstanding_cmd;
3217         for (index = 1; index < req->num_outstanding_cmds; index++) {
3218                 handle++;
3219                 if (handle == req->num_outstanding_cmds)
3220                         handle = 1;
3221                 if (!req->outstanding_cmds[handle])
3222                         break;
3223         }
3224         if (index == req->num_outstanding_cmds)
3225                 goto queuing_error;
3226
3227         /* Map the sg table so we have an accurate count of sg entries needed */
3228         if (scsi_sg_count(cmd)) {
3229                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3230                     scsi_sg_count(cmd), cmd->sc_data_direction);
3231                 if (unlikely(!nseg))
3232                         goto queuing_error;
3233         } else
3234                 nseg = 0;
3235
3236         tot_dsds = nseg;
3237         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3238         if (req->cnt < (req_cnt + 2)) {
3239                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3240
3241                 if (req->ring_index < cnt)
3242                         req->cnt = cnt - req->ring_index;
3243                 else
3244                         req->cnt = req->length -
3245                                 (req->ring_index - cnt);
3246                 if (req->cnt < (req_cnt + 2))
3247                         goto queuing_error;
3248         }
3249
3250         /* Build command packet. */
3251         req->current_outstanding_cmd = handle;
3252         req->outstanding_cmds[handle] = sp;
3253         sp->handle = handle;
3254         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3255         req->cnt -= req_cnt;
3256
3257         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3258
3259         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3260
3261         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3262         lcmd_pkt.handle_hi = 0;
3263         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3264         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3265
3266         int_to_scsilun(cmd->device->lun, &llun);
3267         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3268             sizeof(lcmd_pkt.lun));
3269
3270         /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3271         if (scsi_populate_tag_msg(cmd, tag)) {
3272                 switch (tag[0]) {
3273                 case HEAD_OF_QUEUE_TAG:
3274                         lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3275                         break;
3276                 case ORDERED_QUEUE_TAG:
3277                         lcmd_pkt.task = TSK_ORDERED;
3278                         break;
3279                 }
3280         }
3281
3282         /* Load SCSI command packet. */
3283         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3284         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3285
3286         /* Build IOCB segments */
3287         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3288
3289         /* Set total data segment count. */
3290         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3291
3292         /* Specify response queue number where completion should happen */
3293         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3294
3295         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3296             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3297         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3298             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3299
3300         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3301         wmb();
3302
3303         /* Adjust ring index. */
3304         req->ring_index++;
3305         if (req->ring_index == req->length) {
3306                 req->ring_index = 0;
3307                 req->ring_ptr = req->ring;
3308         } else
3309                 req->ring_ptr++;
3310
3311         sp->flags |= SRB_DMA_VALID;
3312
3313         /* Set chip new ring index. */
3314         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3315         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3316
3317         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3318         return QLA_SUCCESS;
3319
3320 queuing_error:
3321         if (tot_dsds)
3322                 scsi_dma_unmap(cmd);
3323
3324         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3325
3326         return QLA_FUNCTION_FAILED;
3327 }
3328
3329 void
3330 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3331 {
3332         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3333         scsi_qla_host_t *vha = sp->fcport->vha;
3334         struct req_que *req = vha->req;
3335         struct tsk_mgmt_entry_fx00 tm_iocb;
3336         struct scsi_lun llun;
3337
3338         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3339         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3340         tm_iocb.entry_count = 1;
3341         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3342         tm_iocb.handle_hi = 0;
3343         tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3344         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3345         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3346         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3347                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3348                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3349                     sizeof(struct scsi_lun));
3350         }
3351
3352         memcpy((void *)ptm_iocb, &tm_iocb,
3353             sizeof(struct tsk_mgmt_entry_fx00));
3354         wmb();
3355 }
3356
3357 void
3358 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3359 {
3360         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3361         scsi_qla_host_t *vha = sp->fcport->vha;
3362         struct req_que *req = vha->req;
3363         struct abort_iocb_entry_fx00 abt_iocb;
3364
3365         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3366         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3367         abt_iocb.entry_count = 1;
3368         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3369         abt_iocb.abort_handle =
3370             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3371         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3372         abt_iocb.req_que_no = cpu_to_le16(req->id);
3373
3374         memcpy((void *)pabt_iocb, &abt_iocb,
3375             sizeof(struct abort_iocb_entry_fx00));
3376         wmb();
3377 }
3378
3379 void
3380 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3381 {
3382         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3383         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3384         struct fc_bsg_job *bsg_job;
3385         struct fxdisc_entry_fx00 fx_iocb;
3386         uint8_t entry_cnt = 1;
3387
3388         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3389         fx_iocb.entry_type = FX00_IOCB_TYPE;
3390         fx_iocb.handle = cpu_to_le32(sp->handle);
3391         fx_iocb.entry_count = entry_cnt;
3392
3393         if (sp->type == SRB_FXIOCB_DCMD) {
3394                 fx_iocb.func_num =
3395                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3396                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3397                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3398                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3399                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3400                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3401
3402                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3403                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3404                         fx_iocb.req_xfrcnt =
3405                             cpu_to_le16(fxio->u.fxiocb.req_len);
3406                         fx_iocb.dseg_rq_address[0] =
3407                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3408                         fx_iocb.dseg_rq_address[1] =
3409                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3410                         fx_iocb.dseg_rq_len =
3411                             cpu_to_le32(fxio->u.fxiocb.req_len);
3412                 }
3413
3414                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3415                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3416                         fx_iocb.rsp_xfrcnt =
3417                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3418                         fx_iocb.dseg_rsp_address[0] =
3419                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3420                         fx_iocb.dseg_rsp_address[1] =
3421                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3422                         fx_iocb.dseg_rsp_len =
3423                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3424                 }
3425
3426                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3427                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3428                 }
3429                 fx_iocb.flags = fxio->u.fxiocb.flags;
3430         } else {
3431                 struct scatterlist *sg;
3432                 bsg_job = sp->u.bsg_job;
3433                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3434                         &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3435
3436                 fx_iocb.func_num = piocb_rqst->func_type;
3437                 fx_iocb.adapid = piocb_rqst->adapid;
3438                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3439                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3440                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3441                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3442                 fx_iocb.dataword = piocb_rqst->dataword;
3443                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3444                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3445
3446                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3447                         int avail_dsds, tot_dsds;
3448                         cont_a64_entry_t lcont_pkt;
3449                         cont_a64_entry_t *cont_pkt = NULL;
3450                         __le32 *cur_dsd;
3451                         int index = 0, cont = 0;
3452
3453                         fx_iocb.req_dsdcnt =
3454                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3455                         tot_dsds =
3456                             bsg_job->request_payload.sg_cnt;
3457                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3458                         avail_dsds = 1;
3459                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3460                             tot_dsds, index) {
3461                                 dma_addr_t sle_dma;
3462
3463                                 /* Allocate additional continuation packets? */
3464                                 if (avail_dsds == 0) {
3465                                         /*
3466                                          * Five DSDs are available in the Cont.
3467                                          * Type 1 IOCB.
3468                                          */
3469                                         memset(&lcont_pkt, 0,
3470                                             REQUEST_ENTRY_SIZE);
3471                                         cont_pkt =
3472                                             qlafx00_prep_cont_type1_iocb(
3473                                                 sp->fcport->vha->req,
3474                                                 &lcont_pkt);
3475                                         cur_dsd = (__le32 *)
3476                                             lcont_pkt.dseg_0_address;
3477                                         avail_dsds = 5;
3478                                         cont = 1;
3479                                         entry_cnt++;
3480                                 }
3481
3482                                 sle_dma = sg_dma_address(sg);
3483                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3484                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3485                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3486                                 avail_dsds--;
3487
3488                                 if (avail_dsds == 0 && cont == 1) {
3489                                         cont = 0;
3490                                         memcpy_toio(
3491                                             (void __iomem *)cont_pkt,
3492                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3493                                         ql_dump_buffer(
3494                                             ql_dbg_user + ql_dbg_verbose,
3495                                             sp->fcport->vha, 0x3042,
3496                                             (uint8_t *)&lcont_pkt,
3497                                              REQUEST_ENTRY_SIZE);
3498                                 }
3499                         }
3500                         if (avail_dsds != 0 && cont == 1) {
3501                                 memcpy_toio((void __iomem *)cont_pkt,
3502                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3503                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3504                                     sp->fcport->vha, 0x3043,
3505                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3506                         }
3507                 }
3508
3509                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3510                         int avail_dsds, tot_dsds;
3511                         cont_a64_entry_t lcont_pkt;
3512                         cont_a64_entry_t *cont_pkt = NULL;
3513                         __le32 *cur_dsd;
3514                         int index = 0, cont = 0;
3515
3516                         fx_iocb.rsp_dsdcnt =
3517                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3518                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3519                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3520                         avail_dsds = 1;
3521
3522                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3523                             tot_dsds, index) {
3524                                 dma_addr_t sle_dma;
3525
3526                                 /* Allocate additional continuation packets? */
3527                                 if (avail_dsds == 0) {
3528                                         /*
3529                                         * Five DSDs are available in the Cont.
3530                                         * Type 1 IOCB.
3531                                         */
3532                                         memset(&lcont_pkt, 0,
3533                                             REQUEST_ENTRY_SIZE);
3534                                         cont_pkt =
3535                                             qlafx00_prep_cont_type1_iocb(
3536                                                 sp->fcport->vha->req,
3537                                                 &lcont_pkt);
3538                                         cur_dsd = (__le32 *)
3539                                             lcont_pkt.dseg_0_address;
3540                                         avail_dsds = 5;
3541                                         cont = 1;
3542                                         entry_cnt++;
3543                                 }
3544
3545                                 sle_dma = sg_dma_address(sg);
3546                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3547                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3548                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3549                                 avail_dsds--;
3550
3551                                 if (avail_dsds == 0 && cont == 1) {
3552                                         cont = 0;
3553                                         memcpy_toio((void __iomem *)cont_pkt,
3554                                             &lcont_pkt,
3555                                             REQUEST_ENTRY_SIZE);
3556                                         ql_dump_buffer(
3557                                             ql_dbg_user + ql_dbg_verbose,
3558                                             sp->fcport->vha, 0x3045,
3559                                             (uint8_t *)&lcont_pkt,
3560                                             REQUEST_ENTRY_SIZE);
3561                                 }
3562                         }
3563                         if (avail_dsds != 0 && cont == 1) {
3564                                 memcpy_toio((void __iomem *)cont_pkt,
3565                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3566                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3567                                     sp->fcport->vha, 0x3046,
3568                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3569                         }
3570                 }
3571
3572                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3573                         fx_iocb.dataword = piocb_rqst->dataword;
3574                 fx_iocb.flags = piocb_rqst->flags;
3575                 fx_iocb.entry_count = entry_cnt;
3576         }
3577
3578         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3579             sp->fcport->vha, 0x3047,
3580             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3581
3582         memcpy((void *)pfxiocb, &fx_iocb,
3583             sizeof(struct fxdisc_entry_fx00));
3584         wmb();
3585 }