Pileus Git - ~andy/linux/blob - 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_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 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         int pcie_reg;
 664
 665         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 666         if (pcie_reg) {
 667                 strcpy(str, "PCIe iSA");
 668                 return str;
 669         }
 670         return str;
 671 }
 672
 673 char *
 674 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
 675 {
 676         struct qla_hw_data *ha = vha->hw;
 677
 678         sprintf(str, "%s", ha->mr.fw_version);
 679         return str;
 680 }
 681
 682 void
 683 qlafx00_enable_intrs(struct qla_hw_data *ha)
 684 {
 685         unsigned long flags = 0;
 686
 687         spin_lock_irqsave(&ha->hardware_lock, flags);
 688         ha->interrupts_on = 1;
 689         QLAFX00_ENABLE_ICNTRL_REG(ha);
 690         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 691 }
 692
 693 void
 694 qlafx00_disable_intrs(struct qla_hw_data *ha)
 695 {
 696         unsigned long flags = 0;
 697
 698         spin_lock_irqsave(&ha->hardware_lock, flags);
 699         ha->interrupts_on = 0;
 700         QLAFX00_DISABLE_ICNTRL_REG(ha);
 701         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 702 }
 703
 704 static void
 705 qlafx00_tmf_iocb_timeout(void *data)
 706 {
 707         srb_t *sp = (srb_t *)data;
 708         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 709
 710         tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
 711         complete(&tmf->u.tmf.comp);
 712 }
 713
 714 static void
 715 qlafx00_tmf_sp_done(void *data, void *ptr, int res)
 716 {
 717         srb_t *sp = (srb_t *)ptr;
 718         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 719
 720         complete(&tmf->u.tmf.comp);
 721 }
 722
 723 static int
 724 qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
 725                      uint32_t lun, uint32_t tag)
 726 {
 727         scsi_qla_host_t *vha = fcport->vha;
 728         struct srb_iocb *tm_iocb;
 729         srb_t *sp;
 730         int rval = QLA_FUNCTION_FAILED;
 731
 732         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 733         if (!sp)
 734                 goto done;
 735
 736         tm_iocb = &sp->u.iocb_cmd;
 737         sp->type = SRB_TM_CMD;
 738         sp->name = "tmf";
 739         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 740         tm_iocb->u.tmf.flags = flags;
 741         tm_iocb->u.tmf.lun = lun;
 742         tm_iocb->u.tmf.data = tag;
 743         sp->done = qlafx00_tmf_sp_done;
 744         tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
 745         init_completion(&tm_iocb->u.tmf.comp);
 746
 747         rval = qla2x00_start_sp(sp);
 748         if (rval != QLA_SUCCESS)
 749                 goto done_free_sp;
 750
 751         ql_dbg(ql_dbg_async, vha, 0x507b,
 752             "Task management command issued target_id=%x\n",
 753             fcport->tgt_id);
 754
 755         wait_for_completion(&tm_iocb->u.tmf.comp);
 756
 757         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 758             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 759
 760 done_free_sp:
 761         sp->free(vha, sp);
 762 done:
 763         return rval;
 764 }
 765
 766 int
 767 qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
 768 {
 769         return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 770 }
 771
 772 int
 773 qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
 774 {
 775         return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 776 }
 777
 778 int
 779 qlafx00_loop_reset(scsi_qla_host_t *vha)
 780 {
 781         int ret;
 782         struct fc_port *fcport;
 783         struct qla_hw_data *ha = vha->hw;
 784
 785         if (ql2xtargetreset) {
 786                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
 787                         if (fcport->port_type != FCT_TARGET)
 788                                 continue;
 789
 790                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
 791                         if (ret != QLA_SUCCESS) {
 792                                 ql_dbg(ql_dbg_taskm, vha, 0x803d,
 793                                     "Bus Reset failed: Reset=%d "
 794                                     "d_id=%x.\n", ret, fcport->d_id.b24);
 795                         }
 796                 }
 797         }
 798         return QLA_SUCCESS;
 799 }
 800
 801 int
 802 qlafx00_iospace_config(struct qla_hw_data *ha)
 803 {
 804         if (pci_request_selected_regions(ha->pdev, ha->bars,
 805             QLA2XXX_DRIVER_NAME)) {
 806                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 807                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 808                     pci_name(ha->pdev));
 809                 goto iospace_error_exit;
 810         }
 811
 812         /* Use MMIO operations for all accesses. */
 813         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 814                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 815                     "Invalid pci I/O region size (%s).\n",
 816                     pci_name(ha->pdev));
 817                 goto iospace_error_exit;
 818         }
 819         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 820                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 821                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
 822                         pci_name(ha->pdev));
 823                 goto iospace_error_exit;
 824         }
 825
 826         ha->cregbase =
 827             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 828         if (!ha->cregbase) {
 829                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 830                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 831                 goto iospace_error_exit;
 832         }
 833
 834         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 835                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 836                     "region #2 not an MMIO resource (%s), aborting\n",
 837                     pci_name(ha->pdev));
 838                 goto iospace_error_exit;
 839         }
 840         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 841                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 842                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
 843                         pci_name(ha->pdev));
 844                 goto iospace_error_exit;
 845         }
 846
 847         ha->iobase =
 848             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 849         if (!ha->iobase) {
 850                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 851                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 852                 goto iospace_error_exit;
 853         }
 854
 855         /* Determine queue resources */
 856         ha->max_req_queues = ha->max_rsp_queues = 1;
 857
 858         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 859             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 860             ha->bars, ha->cregbase, ha->iobase);
 861
 862         return 0;
 863
 864 iospace_error_exit:
 865         return -ENOMEM;
 866 }
 867
 868 static void
 869 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 870 {
 871         struct qla_hw_data *ha = vha->hw;
 872         struct req_que *req = ha->req_q_map[0];
 873         struct rsp_que *rsp = ha->rsp_q_map[0];
 874
 875         req->length_fx00 = req->length;
 876         req->ring_fx00 = req->ring;
 877         req->dma_fx00 = req->dma;
 878
 879         rsp->length_fx00 = rsp->length;
 880         rsp->ring_fx00 = rsp->ring;
 881         rsp->dma_fx00 = rsp->dma;
 882
 883         ql_dbg(ql_dbg_init, vha, 0x012d,
 884             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 885             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 886             req->length_fx00, (u64)req->dma_fx00);
 887
 888         ql_dbg(ql_dbg_init, vha, 0x012e,
 889             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 890             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 891             rsp->length_fx00, (u64)rsp->dma_fx00);
 892 }
 893
 894 static int
 895 qlafx00_config_queues(struct scsi_qla_host *vha)
 896 {
 897         struct qla_hw_data *ha = vha->hw;
 898         struct req_que *req = ha->req_q_map[0];
 899         struct rsp_que *rsp = ha->rsp_q_map[0];
 900         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 901
 902         req->length = ha->req_que_len;
 903         req->ring = (void *)ha->iobase + ha->req_que_off;
 904         req->dma = bar2_hdl + ha->req_que_off;
 905         if ((!req->ring) || (req->length == 0)) {
 906                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 907                     "Unable to allocate memory for req_ring\n");
 908                 return QLA_FUNCTION_FAILED;
 909         }
 910
 911         ql_dbg(ql_dbg_init, vha, 0x0130,
 912             "req: %p req_ring pointer %p req len 0x%x "
 913             "req off 0x%x\n, req->dma: 0x%llx",
 914             req, req->ring, req->length,
 915             ha->req_que_off, (u64)req->dma);
 916
 917         rsp->length = ha->rsp_que_len;
 918         rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
 919         rsp->dma = bar2_hdl + ha->rsp_que_off;
 920         if ((!rsp->ring) || (rsp->length == 0)) {
 921                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 922                     "Unable to allocate memory for rsp_ring\n");
 923                 return QLA_FUNCTION_FAILED;
 924         }
 925
 926         ql_dbg(ql_dbg_init, vha, 0x0132,
 927             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 928             "rsp off 0x%x, rsp->dma: 0x%llx\n",
 929             rsp, rsp->ring, rsp->length,
 930             ha->rsp_que_off, (u64)rsp->dma);
 931
 932         return QLA_SUCCESS;
 933 }
 934
 935 static int
 936 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 937 {
 938         int rval = 0;
 939         unsigned long wtime;
 940         uint16_t wait_time;     /* Wait time */
 941         struct qla_hw_data *ha = vha->hw;
 942         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 943         uint32_t aenmbx, aenmbx7 = 0;
 944         uint32_t pseudo_aen;
 945         uint32_t state[5];
 946         bool done = false;
 947
 948         /* 30 seconds wait - Adjust if required */
 949         wait_time = 30;
 950
 951         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 952         if (pseudo_aen == 1) {
 953                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
 954                 ha->mbx_intr_code = MSW(aenmbx7);
 955                 ha->rqstq_intr_code = LSW(aenmbx7);
 956                 rval = qlafx00_driver_shutdown(vha, 10);
 957                 if (rval != QLA_SUCCESS)
 958                         qlafx00_soft_reset(vha);
 959         }
 960
 961         /* wait time before firmware ready */
 962         wtime = jiffies + (wait_time * HZ);
 963         do {
 964                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 965                 barrier();
 966                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
 967                     "aenmbx: 0x%x\n", aenmbx);
 968
 969                 switch (aenmbx) {
 970                 case MBA_FW_NOT_STARTED:
 971                 case MBA_FW_STARTING:
 972                         break;
 973
 974                 case MBA_SYSTEM_ERR:
 975                 case MBA_REQ_TRANSFER_ERR:
 976                 case MBA_RSP_TRANSFER_ERR:
 977                 case MBA_FW_INIT_FAILURE:
 978                         qlafx00_soft_reset(vha);
 979                         break;
 980
 981                 case MBA_FW_RESTART_CMPLT:
 982                         /* Set the mbx and rqstq intr code */
 983                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 984                         ha->mbx_intr_code = MSW(aenmbx7);
 985                         ha->rqstq_intr_code = LSW(aenmbx7);
 986                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 987                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 988                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 989                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 990                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
 991                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 992                         ql_dbg(ql_dbg_init, vha, 0x0134,
 993                             "f/w returned mbx_intr_code: 0x%x, "
 994                             "rqstq_intr_code: 0x%x\n",
 995                             ha->mbx_intr_code, ha->rqstq_intr_code);
 996                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 997                         rval = QLA_SUCCESS;
 998                         done = true;
 999                         break;
1000
1001                 default:
1002                         /* If fw is apparently not ready. In order to continue,
1003                          * we might need to issue Mbox cmd, but the problem is
1004                          * that the DoorBell vector values that come with the
1005                          * 8060 AEN are most likely gone by now (and thus no
1006                          * bell would be rung on the fw side when mbox cmd is
1007                          * issued). We have to therefore grab the 8060 AEN
1008                          * shadow regs (filled in by FW when the last 8060
1009                          * AEN was being posted).
1010                          * Do the following to determine what is needed in
1011                          * order to get the FW ready:
1012                          * 1. reload the 8060 AEN values from the shadow regs
1013                          * 2. clear int status to get rid of possible pending
1014                          *    interrupts
1015                          * 3. issue Get FW State Mbox cmd to determine fw state
1016                          * Set the mbx and rqstq intr code from Shadow Regs
1017                          */
1018                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
1019                         ha->mbx_intr_code = MSW(aenmbx7);
1020                         ha->rqstq_intr_code = LSW(aenmbx7);
1021                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1022                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1023                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1024                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1025                         ql_dbg(ql_dbg_init, vha, 0x0135,
1026                             "f/w returned mbx_intr_code: 0x%x, "
1027                             "rqstq_intr_code: 0x%x\n",
1028                             ha->mbx_intr_code, ha->rqstq_intr_code);
1029                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1030
1031                         /* Get the FW state */
1032                         rval = qlafx00_get_firmware_state(vha, state);
1033                         if (rval != QLA_SUCCESS) {
1034                                 /* Retry if timer has not expired */
1035                                 break;
1036                         }
1037
1038                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1039                                 /* Firmware is waiting to be
1040                                  * initialized by driver
1041                                  */
1042                                 rval = QLA_SUCCESS;
1043                                 done = true;
1044                                 break;
1045                         }
1046
1047                         /* Issue driver shutdown and wait until f/w recovers.
1048                          * Driver should continue to poll until 8060 AEN is
1049                          * received indicating firmware recovery.
1050                          */
1051                         ql_dbg(ql_dbg_init, vha, 0x0136,
1052                             "Sending Driver shutdown fw_state 0x%x\n",
1053                             state[0]);
1054
1055                         rval = qlafx00_driver_shutdown(vha, 10);
1056                         if (rval != QLA_SUCCESS) {
1057                                 rval = QLA_FUNCTION_FAILED;
1058                                 break;
1059                         }
1060                         msleep(500);
1061
1062                         wtime = jiffies + (wait_time * HZ);
1063                         break;
1064                 }
1065
1066                 if (!done) {
1067                         if (time_after_eq(jiffies, wtime)) {
1068                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1069                                     "Init f/w failed: aen[7]: 0x%x\n",
1070                                     RD_REG_DWORD(&reg->aenmailbox7));
1071                                 rval = QLA_FUNCTION_FAILED;
1072                                 done = true;
1073                                 break;
1074                         }
1075                         /* Delay for a while */
1076                         msleep(500);
1077                 }
1078         } while (!done);
1079
1080         if (rval)
1081                 ql_dbg(ql_dbg_init, vha, 0x0138,
1082                     "%s **** FAILED ****.\n", __func__);
1083         else
1084                 ql_dbg(ql_dbg_init, vha, 0x0139,
1085                     "%s **** SUCCESS ****.\n", __func__);
1086
1087         return rval;
1088 }
1089
1090 /*
1091  * qlafx00_fw_ready() - Waits for firmware ready.
1092  * @ha: HA context
1093  *
1094  * Returns 0 on success.
1095  */
1096 int
1097 qlafx00_fw_ready(scsi_qla_host_t *vha)
1098 {
1099         int             rval;
1100         unsigned long   wtime;
1101         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1102         uint32_t        state[5];
1103
1104         rval = QLA_SUCCESS;
1105
1106         wait_time = 10;
1107
1108         /* wait time before firmware ready */
1109         wtime = jiffies + (wait_time * HZ);
1110
1111         /* Wait for ISP to finish init */
1112         if (!vha->flags.init_done)
1113                 ql_dbg(ql_dbg_init, vha, 0x013a,
1114                     "Waiting for init to complete...\n");
1115
1116         do {
1117                 rval = qlafx00_get_firmware_state(vha, state);
1118
1119                 if (rval == QLA_SUCCESS) {
1120                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1121                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1122                                     "fw_state=%x\n", state[0]);
1123                                 rval = QLA_SUCCESS;
1124                                         break;
1125                         }
1126                 }
1127                 rval = QLA_FUNCTION_FAILED;
1128
1129                 if (time_after_eq(jiffies, wtime))
1130                         break;
1131
1132                 /* Delay for a while */
1133                 msleep(500);
1134
1135                 ql_dbg(ql_dbg_init, vha, 0x013c,
1136                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1137         } while (1);
1138
1139
1140         if (rval)
1141                 ql_dbg(ql_dbg_init, vha, 0x013d,
1142                     "Firmware ready **** FAILED ****.\n");
1143         else
1144                 ql_dbg(ql_dbg_init, vha, 0x013e,
1145                     "Firmware ready **** SUCCESS ****.\n");
1146
1147         return rval;
1148 }
1149
1150 static int
1151 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1152         struct list_head *new_fcports)
1153 {
1154         int             rval;
1155         uint16_t        tgt_id;
1156         fc_port_t       *fcport, *new_fcport;
1157         int             found;
1158         struct qla_hw_data *ha = vha->hw;
1159
1160         rval = QLA_SUCCESS;
1161
1162         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1163                 return QLA_FUNCTION_FAILED;
1164
1165         if ((atomic_read(&vha->loop_down_timer) ||
1166              STATE_TRANSITION(vha))) {
1167                 atomic_set(&vha->loop_down_timer, 0);
1168                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1169                 return QLA_FUNCTION_FAILED;
1170         }
1171
1172         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1173             "Listing Target bit map...\n");
1174         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1175             0x2089, (uint8_t *)ha->gid_list, 32);
1176
1177         /* Allocate temporary rmtport for any new rmtports discovered. */
1178         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1179         if (new_fcport == NULL)
1180                 return QLA_MEMORY_ALLOC_FAILED;
1181
1182         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1183             QLAFX00_TGT_NODE_LIST_SIZE) {
1184
1185                 /* Send get target node info */
1186                 new_fcport->tgt_id = tgt_id;
1187                 rval = qlafx00_fx_disc(vha, new_fcport,
1188                     FXDISC_GET_TGT_NODE_INFO);
1189                 if (rval != QLA_SUCCESS) {
1190                         ql_log(ql_log_warn, vha, 0x208a,
1191                             "Target info scan failed -- assuming zero-entry "
1192                             "result...\n");
1193                         continue;
1194                 }
1195
1196                 /* Locate matching device in database. */
1197                 found = 0;
1198                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1199                         if (memcmp(new_fcport->port_name,
1200                             fcport->port_name, WWN_SIZE))
1201                                 continue;
1202
1203                         found++;
1204
1205                         /*
1206                          * If tgt_id is same and state FCS_ONLINE, nothing
1207                          * changed.
1208                          */
1209                         if (fcport->tgt_id == new_fcport->tgt_id &&
1210                             atomic_read(&fcport->state) == FCS_ONLINE)
1211                                 break;
1212
1213                         /*
1214                          * Tgt ID changed or device was marked to be updated.
1215                          */
1216                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1217                             "TGT-ID Change(%s): Present tgt id: "
1218                             "0x%x state: 0x%x "
1219                             "wwnn = %llx wwpn = %llx.\n",
1220                             __func__, fcport->tgt_id,
1221                             atomic_read(&fcport->state),
1222                             (unsigned long long)wwn_to_u64(fcport->node_name),
1223                             (unsigned long long)wwn_to_u64(fcport->port_name));
1224
1225                         ql_log(ql_log_info, vha, 0x208c,
1226                             "TGT-ID Announce(%s): Discovered tgt "
1227                             "id 0x%x wwnn = %llx "
1228                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1229                             (unsigned long long)
1230                             wwn_to_u64(new_fcport->node_name),
1231                             (unsigned long long)
1232                             wwn_to_u64(new_fcport->port_name));
1233
1234                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1235                                 fcport->old_tgt_id = fcport->tgt_id;
1236                                 fcport->tgt_id = new_fcport->tgt_id;
1237                                 ql_log(ql_log_info, vha, 0x208d,
1238                                    "TGT-ID: New fcport Added: %p\n", fcport);
1239                                 qla2x00_update_fcport(vha, fcport);
1240                         } else {
1241                                 ql_log(ql_log_info, vha, 0x208e,
1242                                     " Existing TGT-ID %x did not get "
1243                                     " offline event from firmware.\n",
1244                                     fcport->old_tgt_id);
1245                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1246                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1247                                 kfree(new_fcport);
1248                                 return rval;
1249                         }
1250                         break;
1251                 }
1252
1253                 if (found)
1254                         continue;
1255
1256                 /* If device was not in our fcports list, then add it. */
1257                 list_add_tail(&new_fcport->list, new_fcports);
1258
1259                 /* Allocate a new replacement fcport. */
1260                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1261                 if (new_fcport == NULL)
1262                         return QLA_MEMORY_ALLOC_FAILED;
1263         }
1264
1265         kfree(new_fcport);
1266         return rval;
1267 }
1268
1269 /*
1270  * qlafx00_configure_all_targets
1271  *      Setup target devices with node ID's.
1272  *
1273  * Input:
1274  *      ha = adapter block pointer.
1275  *
1276  * Returns:
1277  *      0 = success.
1278  *      BIT_0 = error
1279  */
1280 static int
1281 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1282 {
1283         int rval;
1284         fc_port_t *fcport, *rmptemp;
1285         LIST_HEAD(new_fcports);
1286
1287         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1288             FXDISC_GET_TGT_NODE_LIST);
1289         if (rval != QLA_SUCCESS) {
1290                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1291                 return rval;
1292         }
1293
1294         rval = qlafx00_find_all_targets(vha, &new_fcports);
1295         if (rval != QLA_SUCCESS) {
1296                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1297                 return rval;
1298         }
1299
1300         /*
1301          * Delete all previous devices marked lost.
1302          */
1303         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1304                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1305                         break;
1306
1307                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1308                         if (fcport->port_type != FCT_INITIATOR)
1309                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1310                 }
1311         }
1312
1313         /*
1314          * Add the new devices to our devices list.
1315          */
1316         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1317                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1318                         break;
1319
1320                 qla2x00_update_fcport(vha, fcport);
1321                 list_move_tail(&fcport->list, &vha->vp_fcports);
1322                 ql_log(ql_log_info, vha, 0x208f,
1323                     "Attach new target id 0x%x wwnn = %llx "
1324                     "wwpn = %llx.\n",
1325                     fcport->tgt_id,
1326                     (unsigned long long)wwn_to_u64(fcport->node_name),
1327                     (unsigned long long)wwn_to_u64(fcport->port_name));
1328         }
1329
1330         /* Free all new device structures not processed. */
1331         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1332                 list_del(&fcport->list);
1333                 kfree(fcport);
1334         }
1335
1336         return rval;
1337 }
1338
1339 /*
1340  * qlafx00_configure_devices
1341  *      Updates Fibre Channel Device Database with what is actually on loop.
1342  *
1343  * Input:
1344  *      ha                = adapter block pointer.
1345  *
1346  * Returns:
1347  *      0 = success.
1348  *      1 = error.
1349  *      2 = database was full and device was not configured.
1350  */
1351 int
1352 qlafx00_configure_devices(scsi_qla_host_t *vha)
1353 {
1354         int  rval;
1355         unsigned long flags, save_flags;
1356         rval = QLA_SUCCESS;
1357
1358         save_flags = flags = vha->dpc_flags;
1359
1360         ql_dbg(ql_dbg_disc, vha, 0x2090,
1361             "Configure devices -- dpc flags =0x%lx\n", flags);
1362
1363         rval = qlafx00_configure_all_targets(vha);
1364
1365         if (rval == QLA_SUCCESS) {
1366                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1367                         rval = QLA_FUNCTION_FAILED;
1368                 } else {
1369                         atomic_set(&vha->loop_state, LOOP_READY);
1370                         ql_log(ql_log_info, vha, 0x2091,
1371                             "Device Ready\n");
1372                 }
1373         }
1374
1375         if (rval) {
1376                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1377                     "%s *** FAILED ***.\n", __func__);
1378         } else {
1379                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1380                     "%s: exiting normally.\n", __func__);
1381         }
1382         return rval;
1383 }
1384
1385 static void
1386 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1387 {
1388         struct qla_hw_data *ha = vha->hw;
1389         fc_port_t *fcport;
1390
1391         vha->flags.online = 0;
1392         ha->mr.fw_hbt_en = 0;
1393
1394         if (!critemp) {
1395                 ha->flags.chip_reset_done = 0;
1396                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1397                 vha->qla_stats.total_isp_aborts++;
1398                 ql_log(ql_log_info, vha, 0x013f,
1399                     "Performing ISP error recovery - ha = %p.\n", ha);
1400                 ha->isp_ops->reset_chip(vha);
1401         }
1402
1403         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1404                 atomic_set(&vha->loop_state, LOOP_DOWN);
1405                 atomic_set(&vha->loop_down_timer,
1406                     QLAFX00_LOOP_DOWN_TIME);
1407         } else {
1408                 if (!atomic_read(&vha->loop_down_timer))
1409                         atomic_set(&vha->loop_down_timer,
1410                             QLAFX00_LOOP_DOWN_TIME);
1411         }
1412
1413         /* Clear all async request states across all VPs. */
1414         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1415                 fcport->flags = 0;
1416                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1417                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1418         }
1419
1420         if (!ha->flags.eeh_busy) {
1421                 if (critemp) {
1422                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1423                 } else {
1424                         /* Requeue all commands in outstanding command list. */
1425                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1426                 }
1427         }
1428
1429         qla2x00_free_irqs(vha);
1430         if (critemp)
1431                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1432         else
1433                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1434
1435         /* Clear the Interrupts */
1436         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1437
1438         ql_log(ql_log_info, vha, 0x0140,
1439             "%s Done done - ha=%p.\n", __func__, ha);
1440 }
1441
1442 /**
1443  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1444  * @ha: HA context
1445  *
1446  * Beginning of request ring has initialization control block already built
1447  * by nvram config routine.
1448  *
1449  * Returns 0 on success.
1450  */
1451 void
1452 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1453 {
1454         uint16_t cnt;
1455         response_t *pkt;
1456
1457         rsp->ring_ptr = rsp->ring;
1458         rsp->ring_index    = 0;
1459         rsp->status_srb = NULL;
1460         pkt = rsp->ring_ptr;
1461         for (cnt = 0; cnt < rsp->length; cnt++) {
1462                 pkt->signature = RESPONSE_PROCESSED;
1463                 WRT_REG_DWORD((void __iomem *)&pkt->signature,
1464                     RESPONSE_PROCESSED);
1465                 pkt++;
1466         }
1467 }
1468
1469 int
1470 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1471 {
1472         uint32_t status = QLA_FUNCTION_FAILED;
1473         struct qla_hw_data *ha = vha->hw;
1474         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1475         uint32_t aenmbx7;
1476
1477         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1478
1479         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1480         ha->mbx_intr_code = MSW(aenmbx7);
1481         ha->rqstq_intr_code = LSW(aenmbx7);
1482         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1483         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1484         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1485         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1486
1487         ql_dbg(ql_dbg_disc, vha, 0x2094,
1488             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1489             " Req que offset 0x%x Rsp que offset 0x%x\n",
1490             ha->mbx_intr_code, ha->rqstq_intr_code,
1491             ha->req_que_off, ha->rsp_que_len);
1492
1493         /* Clear the Interrupts */
1494         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1495
1496         status = qla2x00_init_rings(vha);
1497         if (!status) {
1498                 vha->flags.online = 1;
1499
1500                 /* if no cable then assume it's good */
1501                 if ((vha->device_flags & DFLG_NO_CABLE))
1502                         status = 0;
1503                 /* Register system information */
1504                 if (qlafx00_fx_disc(vha,
1505                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1506                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1507                             "failed to register host info\n");
1508         }
1509         scsi_unblock_requests(vha->host);
1510         return status;
1511 }
1512
1513 void
1514 qlafx00_timer_routine(scsi_qla_host_t *vha)
1515 {
1516         struct qla_hw_data *ha = vha->hw;
1517         uint32_t fw_heart_beat;
1518         uint32_t aenmbx0;
1519         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1520         uint32_t tempc;
1521
1522         /* Check firmware health */
1523         if (ha->mr.fw_hbt_cnt)
1524                 ha->mr.fw_hbt_cnt--;
1525         else {
1526                 if ((!ha->flags.mr_reset_hdlr_active) &&
1527                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1528                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1529                     (ha->mr.fw_hbt_en)) {
1530                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1531                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1532                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1533                                 ha->mr.fw_hbt_miss_cnt = 0;
1534                         } else {
1535                                 ha->mr.fw_hbt_miss_cnt++;
1536                                 if (ha->mr.fw_hbt_miss_cnt ==
1537                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1538                                         set_bit(ISP_ABORT_NEEDED,
1539                                             &vha->dpc_flags);
1540                                         qla2xxx_wake_dpc(vha);
1541                                         ha->mr.fw_hbt_miss_cnt = 0;
1542                                 }
1543                         }
1544                 }
1545                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1546         }
1547
1548         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1549                 /* Reset recovery to be performed in timer routine */
1550                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1551                 if (ha->mr.fw_reset_timer_exp) {
1552                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1553                         qla2xxx_wake_dpc(vha);
1554                         ha->mr.fw_reset_timer_exp = 0;
1555                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1556                         /* Wake up DPC to rescan the targets */
1557                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1558                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1559                         qla2xxx_wake_dpc(vha);
1560                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1561                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1562                     (!ha->mr.fw_hbt_en)) {
1563                         ha->mr.fw_hbt_en = 1;
1564                 } else if (!ha->mr.fw_reset_timer_tick) {
1565                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1566                                 ha->mr.fw_reset_timer_exp = 1;
1567                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1568                 } else if (aenmbx0 == 0xFFFFFFFF) {
1569                         uint32_t data0, data1;
1570
1571                         data0 = QLAFX00_RD_REG(ha,
1572                             QLAFX00_BAR1_BASE_ADDR_REG);
1573                         data1 = QLAFX00_RD_REG(ha,
1574                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1575
1576                         data0 &= 0xffff0000;
1577                         data1 &= 0x0000ffff;
1578
1579                         QLAFX00_WR_REG(ha,
1580                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1581                             (data0 | data1));
1582                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1583                         ha->mr.fw_reset_timer_tick =
1584                             QLAFX00_MAX_RESET_INTERVAL;
1585                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1586                         ha->mr.fw_reset_timer_tick =
1587                             QLAFX00_MAX_RESET_INTERVAL;
1588                 }
1589                 ha->mr.old_aenmbx0_state = aenmbx0;
1590                 ha->mr.fw_reset_timer_tick--;
1591         }
1592         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1593                 /*
1594                  * Critical temperature recovery to be
1595                  * performed in timer routine
1596                  */
1597                 if (ha->mr.fw_critemp_timer_tick == 0) {
1598                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1599                         ql_dbg(ql_dbg_timer, vha, 0x6012,
1600                             "ISPFx00(%s): Critical temp timer, "
1601                             "current SOC temperature: %d\n",
1602                             __func__, tempc);
1603                         if (tempc < ha->mr.critical_temperature) {
1604                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1605                                 clear_bit(FX00_CRITEMP_RECOVERY,
1606                                     &vha->dpc_flags);
1607                                 qla2xxx_wake_dpc(vha);
1608                         }
1609                         ha->mr.fw_critemp_timer_tick =
1610                             QLAFX00_CRITEMP_INTERVAL;
1611                 } else {
1612                         ha->mr.fw_critemp_timer_tick--;
1613                 }
1614         }
1615 }
1616
1617 /*
1618  *  qlfx00a_reset_initialize
1619  *      Re-initialize after a iSA device reset.
1620  *
1621  * Input:
1622  *      ha  = adapter block pointer.
1623  *
1624  * Returns:
1625  *      0 = success
1626  */
1627 int
1628 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1629 {
1630         struct qla_hw_data *ha = vha->hw;
1631
1632         if (vha->device_flags & DFLG_DEV_FAILED) {
1633                 ql_dbg(ql_dbg_init, vha, 0x0142,
1634                     "Device in failed state\n");
1635                 return QLA_SUCCESS;
1636         }
1637
1638         ha->flags.mr_reset_hdlr_active = 1;
1639
1640         if (vha->flags.online) {
1641                 scsi_block_requests(vha->host);
1642                 qlafx00_abort_isp_cleanup(vha, false);
1643         }
1644
1645         ql_log(ql_log_info, vha, 0x0143,
1646             "(%s): succeeded.\n", __func__);
1647         ha->flags.mr_reset_hdlr_active = 0;
1648         return QLA_SUCCESS;
1649 }
1650
1651 /*
1652  *  qlafx00_abort_isp
1653  *      Resets ISP and aborts all outstanding commands.
1654  *
1655  * Input:
1656  *      ha  = adapter block pointer.
1657  *
1658  * Returns:
1659  *      0 = success
1660  */
1661 int
1662 qlafx00_abort_isp(scsi_qla_host_t *vha)
1663 {
1664         struct qla_hw_data *ha = vha->hw;
1665
1666         if (vha->flags.online) {
1667                 if (unlikely(pci_channel_offline(ha->pdev) &&
1668                     ha->flags.pci_channel_io_perm_failure)) {
1669                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1670                         return QLA_SUCCESS;
1671                 }
1672
1673                 scsi_block_requests(vha->host);
1674                 qlafx00_abort_isp_cleanup(vha, false);
1675         } else {
1676                 scsi_block_requests(vha->host);
1677                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1678                 vha->qla_stats.total_isp_aborts++;
1679                 ha->isp_ops->reset_chip(vha);
1680                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1681                 /* Clear the Interrupts */
1682                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1683         }
1684
1685         ql_log(ql_log_info, vha, 0x0145,
1686             "(%s): succeeded.\n", __func__);
1687
1688         return QLA_SUCCESS;
1689 }
1690
1691 static inline fc_port_t*
1692 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1693 {
1694         fc_port_t       *fcport;
1695
1696         /* Check for matching device in remote port list. */
1697         fcport = NULL;
1698         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1699                 if (fcport->tgt_id == tgt_id) {
1700                         ql_dbg(ql_dbg_async, vha, 0x5072,
1701                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1702                             "and Remote TGT_ID: 0x%x\n",
1703                             fcport, fcport->tgt_id, tgt_id);
1704                         break;
1705                 }
1706         }
1707         return fcport;
1708 }
1709
1710 static void
1711 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1712 {
1713         fc_port_t       *fcport;
1714
1715         ql_log(ql_log_info, vha, 0x5073,
1716             "Detach TGT-ID: 0x%x\n", tgt_id);
1717
1718         fcport = qlafx00_get_fcport(vha, tgt_id);
1719         if (!fcport)
1720                 return;
1721
1722         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1723
1724         return;
1725 }
1726
1727 int
1728 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1729 {
1730         int rval = 0;
1731         uint32_t aen_code, aen_data;
1732
1733         aen_code = FCH_EVT_VENDOR_UNIQUE;
1734         aen_data = evt->u.aenfx.evtcode;
1735
1736         switch (evt->u.aenfx.evtcode) {
1737         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1738                 if (evt->u.aenfx.mbx[1] == 0) {
1739                         if (evt->u.aenfx.mbx[2] == 1) {
1740                                 if (!vha->flags.fw_tgt_reported)
1741                                         vha->flags.fw_tgt_reported = 1;
1742                                 atomic_set(&vha->loop_down_timer, 0);
1743                                 atomic_set(&vha->loop_state, LOOP_UP);
1744                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1745                                 qla2xxx_wake_dpc(vha);
1746                         } else if (evt->u.aenfx.mbx[2] == 2) {
1747                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1748                         }
1749                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1750                         if (evt->u.aenfx.mbx[2] == 1) {
1751                                 if (!vha->flags.fw_tgt_reported)
1752                                         vha->flags.fw_tgt_reported = 1;
1753                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1754                         } else if (evt->u.aenfx.mbx[2] == 2) {
1755                                 vha->device_flags |= DFLG_NO_CABLE;
1756                                 qla2x00_mark_all_devices_lost(vha, 1);
1757                         }
1758                 }
1759                 break;
1760         case QLAFX00_MBA_LINK_UP:
1761                 aen_code = FCH_EVT_LINKUP;
1762                 aen_data = 0;
1763                 break;
1764         case QLAFX00_MBA_LINK_DOWN:
1765                 aen_code = FCH_EVT_LINKDOWN;
1766                 aen_data = 0;
1767                 break;
1768         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1769                 ql_log(ql_log_info, vha, 0x5082,
1770                     "Process critical temperature event "
1771                     "aenmb[0]: %x\n",
1772                     evt->u.aenfx.evtcode);
1773                 scsi_block_requests(vha->host);
1774                 qlafx00_abort_isp_cleanup(vha, true);
1775                 scsi_unblock_requests(vha->host);
1776                 break;
1777         }
1778
1779         fc_host_post_event(vha->host, fc_get_event_number(),
1780             aen_code, aen_data);
1781
1782         return rval;
1783 }
1784
1785 static void
1786 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1787 {
1788         u64 port_name = 0, node_name = 0;
1789
1790         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1791         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1792
1793         fc_host_node_name(vha->host) = node_name;
1794         fc_host_port_name(vha->host) = port_name;
1795         if (!pinfo->port_type)
1796                 vha->hw->current_topology = ISP_CFG_F;
1797         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1798                 atomic_set(&vha->loop_state, LOOP_READY);
1799         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1800                 atomic_set(&vha->loop_state, LOOP_DOWN);
1801         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1802 }
1803
1804 static void
1805 qla2x00_fxdisc_iocb_timeout(void *data)
1806 {
1807         srb_t *sp = (srb_t *)data;
1808         struct srb_iocb *lio = &sp->u.iocb_cmd;
1809
1810         complete(&lio->u.fxiocb.fxiocb_comp);
1811 }
1812
1813 static void
1814 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1815 {
1816         srb_t *sp = (srb_t *)ptr;
1817         struct srb_iocb *lio = &sp->u.iocb_cmd;
1818
1819         complete(&lio->u.fxiocb.fxiocb_comp);
1820 }
1821
1822 int
1823 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1824 {
1825         srb_t *sp;
1826         struct srb_iocb *fdisc;
1827         int rval = QLA_FUNCTION_FAILED;
1828         struct qla_hw_data *ha = vha->hw;
1829         struct host_system_info *phost_info;
1830         struct register_host_info *preg_hsi;
1831         struct new_utsname *p_sysid = NULL;
1832         struct timeval tv;
1833
1834         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1835         if (!sp)
1836                 goto done;
1837
1838         fdisc = &sp->u.iocb_cmd;
1839         switch (fx_type) {
1840         case FXDISC_GET_CONFIG_INFO:
1841         fdisc->u.fxiocb.flags =
1842                     SRB_FXDISC_RESP_DMA_VALID;
1843                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1844                 break;
1845         case FXDISC_GET_PORT_INFO:
1846                 fdisc->u.fxiocb.flags =
1847                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1848                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1849                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1850                 break;
1851         case FXDISC_GET_TGT_NODE_INFO:
1852                 fdisc->u.fxiocb.flags =
1853                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1854                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1855                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1856                 break;
1857         case FXDISC_GET_TGT_NODE_LIST:
1858                 fdisc->u.fxiocb.flags =
1859                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1860                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1861                 break;
1862         case FXDISC_REG_HOST_INFO:
1863                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1864                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1865                 p_sysid = utsname();
1866                 if (!p_sysid) {
1867                         ql_log(ql_log_warn, vha, 0x303c,
1868                             "Not able to get the system information\n");
1869                         goto done_free_sp;
1870                 }
1871                 break;
1872         default:
1873                 break;
1874         }
1875
1876         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1877                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1878                     fdisc->u.fxiocb.req_len,
1879                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1880                 if (!fdisc->u.fxiocb.req_addr)
1881                         goto done_free_sp;
1882
1883                 if (fx_type == FXDISC_REG_HOST_INFO) {
1884                         preg_hsi = (struct register_host_info *)
1885                                 fdisc->u.fxiocb.req_addr;
1886                         phost_info = &preg_hsi->hsi;
1887                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1888                         phost_info->os_type = OS_TYPE_LINUX;
1889                         strncpy(phost_info->sysname,
1890                             p_sysid->sysname, SYSNAME_LENGTH);
1891                         strncpy(phost_info->nodename,
1892                             p_sysid->nodename, NODENAME_LENGTH);
1893                         strncpy(phost_info->release,
1894                             p_sysid->release, RELEASE_LENGTH);
1895                         strncpy(phost_info->version,
1896                             p_sysid->version, VERSION_LENGTH);
1897                         strncpy(phost_info->machine,
1898                             p_sysid->machine, MACHINE_LENGTH);
1899                         strncpy(phost_info->domainname,
1900                             p_sysid->domainname, DOMNAME_LENGTH);
1901                         strncpy(phost_info->hostdriver,
1902                             QLA2XXX_VERSION, VERSION_LENGTH);
1903                         do_gettimeofday(&tv);
1904                         preg_hsi->utc = (uint64_t)tv.tv_sec;
1905                         ql_dbg(ql_dbg_init, vha, 0x0149,
1906                             "ISP%04X: Host registration with firmware\n",
1907                             ha->pdev->device);
1908                         ql_dbg(ql_dbg_init, vha, 0x014a,
1909                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1910                             phost_info->os_type,
1911                             phost_info->sysname,
1912                             phost_info->nodename);
1913                         ql_dbg(ql_dbg_init, vha, 0x014b,
1914                             "release = '%s', version = '%s'\n",
1915                             phost_info->release,
1916                             phost_info->version);
1917                         ql_dbg(ql_dbg_init, vha, 0x014c,
1918                             "machine = '%s' "
1919                             "domainname = '%s', hostdriver = '%s'\n",
1920                             phost_info->machine,
1921                             phost_info->domainname,
1922                             phost_info->hostdriver);
1923                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1924                             (uint8_t *)phost_info,
1925                             sizeof(struct host_system_info));
1926                 }
1927         }
1928
1929         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1930                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1931                     fdisc->u.fxiocb.rsp_len,
1932                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1933                 if (!fdisc->u.fxiocb.rsp_addr)
1934                         goto done_unmap_req;
1935         }
1936
1937         sp->type = SRB_FXIOCB_DCMD;
1938         sp->name = "fxdisc";
1939         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1940         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1941         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1942         sp->done = qla2x00_fxdisc_sp_done;
1943
1944         rval = qla2x00_start_sp(sp);
1945         if (rval != QLA_SUCCESS)
1946                 goto done_unmap_dma;
1947
1948         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1949
1950         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1951                 struct config_info_data *pinfo =
1952                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1953                 memcpy(&vha->hw->mr.product_name, pinfo->product_name,
1954                     sizeof(vha->hw->mr.product_name));
1955                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1956                     sizeof(vha->hw->mr.symbolic_name));
1957                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1958                     sizeof(vha->hw->mr.serial_num));
1959                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1960                     sizeof(vha->hw->mr.hw_version));
1961                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1962                     sizeof(vha->hw->mr.fw_version));
1963                 strim(vha->hw->mr.fw_version);
1964                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1965                     sizeof(vha->hw->mr.uboot_version));
1966                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1967                     sizeof(vha->hw->mr.fru_serial_num));
1968                 vha->hw->mr.critical_temperature =
1969                     (pinfo->nominal_temp_value) ?
1970                     pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1971                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1972                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1973         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1974                 struct port_info_data *pinfo =
1975                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1976                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1977                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1978                 vha->d_id.b.domain = pinfo->port_id[0];
1979                 vha->d_id.b.area = pinfo->port_id[1];
1980                 vha->d_id.b.al_pa = pinfo->port_id[2];
1981                 qlafx00_update_host_attr(vha, pinfo);
1982                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1983                     (uint8_t *)pinfo, 16);
1984         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1985                 struct qlafx00_tgt_node_info *pinfo =
1986                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1987                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1988                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1989                 fcport->port_type = FCT_TARGET;
1990                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1991                     (uint8_t *)pinfo, 16);
1992         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1993                 struct qlafx00_tgt_node_info *pinfo =
1994                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1995                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1996                     (uint8_t *)pinfo, 16);
1997                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1998         }
1999         rval = le32_to_cpu(fdisc->u.fxiocb.result);
2000
2001 done_unmap_dma:
2002         if (fdisc->u.fxiocb.rsp_addr)
2003                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2004                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2005
2006 done_unmap_req:
2007         if (fdisc->u.fxiocb.req_addr)
2008                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2009                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2010 done_free_sp:
2011         sp->free(vha, sp);
2012 done:
2013         return rval;
2014 }
2015
2016 static void
2017 qlafx00_abort_iocb_timeout(void *data)
2018 {
2019         srb_t *sp = (srb_t *)data;
2020         struct srb_iocb *abt = &sp->u.iocb_cmd;
2021
2022         abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2023         complete(&abt->u.abt.comp);
2024 }
2025
2026 static void
2027 qlafx00_abort_sp_done(void *data, void *ptr, int res)
2028 {
2029         srb_t *sp = (srb_t *)ptr;
2030         struct srb_iocb *abt = &sp->u.iocb_cmd;
2031
2032         complete(&abt->u.abt.comp);
2033 }
2034
2035 static int
2036 qlafx00_async_abt_cmd(srb_t *cmd_sp)
2037 {
2038         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2039         fc_port_t *fcport = cmd_sp->fcport;
2040         struct srb_iocb *abt_iocb;
2041         srb_t *sp;
2042         int rval = QLA_FUNCTION_FAILED;
2043
2044         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2045         if (!sp)
2046                 goto done;
2047
2048         abt_iocb = &sp->u.iocb_cmd;
2049         sp->type = SRB_ABT_CMD;
2050         sp->name = "abort";
2051         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2052         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2053         sp->done = qlafx00_abort_sp_done;
2054         abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2055         init_completion(&abt_iocb->u.abt.comp);
2056
2057         rval = qla2x00_start_sp(sp);
2058         if (rval != QLA_SUCCESS)
2059                 goto done_free_sp;
2060
2061         ql_dbg(ql_dbg_async, vha, 0x507c,
2062             "Abort command issued - hdl=%x, target_id=%x\n",
2063             cmd_sp->handle, fcport->tgt_id);
2064
2065         wait_for_completion(&abt_iocb->u.abt.comp);
2066
2067         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2068             QLA_SUCCESS : QLA_FUNCTION_FAILED;
2069
2070 done_free_sp:
2071         sp->free(vha, sp);
2072 done:
2073         return rval;
2074 }
2075
2076 int
2077 qlafx00_abort_command(srb_t *sp)
2078 {
2079         unsigned long   flags = 0;
2080
2081         uint32_t        handle;
2082         fc_port_t       *fcport = sp->fcport;
2083         struct scsi_qla_host *vha = fcport->vha;
2084         struct qla_hw_data *ha = vha->hw;
2085         struct req_que *req = vha->req;
2086
2087         spin_lock_irqsave(&ha->hardware_lock, flags);
2088         for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2089                 if (req->outstanding_cmds[handle] == sp)
2090                         break;
2091         }
2092         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2093         if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2094                 /* Command not found. */
2095                 return QLA_FUNCTION_FAILED;
2096         }
2097         return qlafx00_async_abt_cmd(sp);
2098 }
2099
2100 /*
2101  * qlafx00_initialize_adapter
2102  *      Initialize board.
2103  *
2104  * Input:
2105  *      ha = adapter block pointer.
2106  *
2107  * Returns:
2108  *      0 = success
2109  */
2110 int
2111 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2112 {
2113         int     rval;
2114         struct qla_hw_data *ha = vha->hw;
2115         uint32_t tempc;
2116
2117         /* Clear adapter flags. */
2118         vha->flags.online = 0;
2119         ha->flags.chip_reset_done = 0;
2120         vha->flags.reset_active = 0;
2121         ha->flags.pci_channel_io_perm_failure = 0;
2122         ha->flags.eeh_busy = 0;
2123         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2124         atomic_set(&vha->loop_state, LOOP_DOWN);
2125         vha->device_flags = DFLG_NO_CABLE;
2126         vha->dpc_flags = 0;
2127         vha->flags.management_server_logged_in = 0;
2128         vha->marker_needed = 0;
2129         ha->isp_abort_cnt = 0;
2130         ha->beacon_blink_led = 0;
2131
2132         set_bit(0, ha->req_qid_map);
2133         set_bit(0, ha->rsp_qid_map);
2134
2135         ql_dbg(ql_dbg_init, vha, 0x0147,
2136             "Configuring PCI space...\n");
2137
2138         rval = ha->isp_ops->pci_config(vha);
2139         if (rval) {
2140                 ql_log(ql_log_warn, vha, 0x0148,
2141                     "Unable to configure PCI space.\n");
2142                 return rval;
2143         }
2144
2145         rval = qlafx00_init_fw_ready(vha);
2146         if (rval != QLA_SUCCESS)
2147                 return rval;
2148
2149         qlafx00_save_queue_ptrs(vha);
2150
2151         rval = qlafx00_config_queues(vha);
2152         if (rval != QLA_SUCCESS)
2153                 return rval;
2154
2155         /*
2156          * Allocate the array of outstanding commands
2157          * now that we know the firmware resources.
2158          */
2159         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2160         if (rval != QLA_SUCCESS)
2161                 return rval;
2162
2163         rval = qla2x00_init_rings(vha);
2164         ha->flags.chip_reset_done = 1;
2165
2166         tempc = QLAFX00_GET_TEMPERATURE(ha);
2167         ql_dbg(ql_dbg_init, vha, 0x0152,
2168             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2169             __func__, tempc);
2170
2171         return rval;
2172 }
2173
2174 uint32_t
2175 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2176                       char *buf)
2177 {
2178         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2179         int rval = QLA_FUNCTION_FAILED;
2180         uint32_t state[1];
2181
2182         if (qla2x00_reset_active(vha))
2183                 ql_log(ql_log_warn, vha, 0x70ce,
2184                     "ISP reset active.\n");
2185         else if (!vha->hw->flags.eeh_busy) {
2186                 rval = qlafx00_get_firmware_state(vha, state);
2187         }
2188         if (rval != QLA_SUCCESS)
2189                 memset(state, -1, sizeof(state));
2190
2191         return state[0];
2192 }
2193
2194 void
2195 qlafx00_get_host_speed(struct Scsi_Host *shost)
2196 {
2197         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2198                                         (shost_priv(shost)))->hw;
2199         u32 speed = FC_PORTSPEED_UNKNOWN;
2200
2201         switch (ha->link_data_rate) {
2202         case QLAFX00_PORT_SPEED_2G:
2203                 speed = FC_PORTSPEED_2GBIT;
2204                 break;
2205         case QLAFX00_PORT_SPEED_4G:
2206                 speed = FC_PORTSPEED_4GBIT;
2207                 break;
2208         case QLAFX00_PORT_SPEED_8G:
2209                 speed = FC_PORTSPEED_8GBIT;
2210                 break;
2211         case QLAFX00_PORT_SPEED_10G:
2212                 speed = FC_PORTSPEED_10GBIT;
2213                 break;
2214         }
2215         fc_host_speed(shost) = speed;
2216 }
2217
2218 /** QLAFX00 specific ISR implementation functions */
2219
2220 static inline void
2221 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2222                      uint32_t sense_len, struct rsp_que *rsp, int res)
2223 {
2224         struct scsi_qla_host *vha = sp->fcport->vha;
2225         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2226         uint32_t track_sense_len;
2227
2228         SET_FW_SENSE_LEN(sp, sense_len);
2229
2230         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2231                 sense_len = SCSI_SENSE_BUFFERSIZE;
2232
2233         SET_CMD_SENSE_LEN(sp, sense_len);
2234         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2235         track_sense_len = sense_len;
2236
2237         if (sense_len > par_sense_len)
2238                 sense_len = par_sense_len;
2239
2240         memcpy(cp->sense_buffer, sense_data, sense_len);
2241
2242         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2243
2244         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2245         track_sense_len -= sense_len;
2246         SET_CMD_SENSE_LEN(sp, track_sense_len);
2247
2248         ql_dbg(ql_dbg_io, vha, 0x304d,
2249             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2250             sense_len, par_sense_len, track_sense_len);
2251         if (GET_FW_SENSE_LEN(sp) > 0) {
2252                 rsp->status_srb = sp;
2253                 cp->result = res;
2254         }
2255
2256         if (sense_len) {
2257                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2258                     "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2259                     sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2260                     cp);
2261                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2262                     cp->sense_buffer, sense_len);
2263         }
2264 }
2265
2266 static void
2267 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2268                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2269                       __le16 sstatus, __le16 cpstatus)
2270 {
2271         struct srb_iocb *tmf;
2272
2273         tmf = &sp->u.iocb_cmd;
2274         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2275             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2276                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2277         tmf->u.tmf.comp_status = cpstatus;
2278         sp->done(vha, sp, 0);
2279 }
2280
2281 static void
2282 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2283                          struct abort_iocb_entry_fx00 *pkt)
2284 {
2285         const char func[] = "ABT_IOCB";
2286         srb_t *sp;
2287         struct srb_iocb *abt;
2288
2289         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2290         if (!sp)
2291                 return;
2292
2293         abt = &sp->u.iocb_cmd;
2294         abt->u.abt.comp_status = pkt->tgt_id_sts;
2295         sp->done(vha, sp, 0);
2296 }
2297
2298 static void
2299 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2300                          struct ioctl_iocb_entry_fx00 *pkt)
2301 {
2302         const char func[] = "IOSB_IOCB";
2303         srb_t *sp;
2304         struct fc_bsg_job *bsg_job;
2305         struct srb_iocb *iocb_job;
2306         int res;
2307         struct qla_mt_iocb_rsp_fx00 fstatus;
2308         uint8_t *fw_sts_ptr;
2309
2310         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2311         if (!sp)
2312                 return;
2313
2314         if (sp->type == SRB_FXIOCB_DCMD) {
2315                 iocb_job = &sp->u.iocb_cmd;
2316                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2317                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2318                 iocb_job->u.fxiocb.result = pkt->status;
2319                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2320                         iocb_job->u.fxiocb.req_data =
2321                             pkt->dataword_r;
2322         } else {
2323                 bsg_job = sp->u.bsg_job;
2324
2325                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2326
2327                 fstatus.reserved_1 = pkt->reserved_0;
2328                 fstatus.func_type = pkt->comp_func_num;
2329                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2330                 fstatus.ioctl_data = pkt->dataword_r;
2331                 fstatus.adapid = pkt->adapid;
2332                 fstatus.adapid_hi = pkt->adapid_hi;
2333                 fstatus.reserved_2 = pkt->reserved_1;
2334                 fstatus.res_count = pkt->residuallen;
2335                 fstatus.status = pkt->status;
2336                 fstatus.seq_number = pkt->seq_no;
2337                 memcpy(fstatus.reserved_3,
2338                     pkt->reserved_2, 20 * sizeof(uint8_t));
2339
2340                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2341                     sizeof(struct fc_bsg_reply);
2342
2343                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2344                     sizeof(struct qla_mt_iocb_rsp_fx00));
2345                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2346                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2347
2348                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2349                     sp->fcport->vha, 0x5080,
2350                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2351
2352                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2353                     sp->fcport->vha, 0x5074,
2354                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2355
2356                 res = bsg_job->reply->result = DID_OK << 16;
2357                 bsg_job->reply->reply_payload_rcv_len =
2358                     bsg_job->reply_payload.payload_len;
2359         }
2360         sp->done(vha, sp, res);
2361 }
2362
2363 /**
2364  * qlafx00_status_entry() - Process a Status IOCB entry.
2365  * @ha: SCSI driver HA context
2366  * @pkt: Entry pointer
2367  */
2368 static void
2369 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2370 {
2371         srb_t           *sp;
2372         fc_port_t       *fcport;
2373         struct scsi_cmnd *cp;
2374         struct sts_entry_fx00 *sts;
2375         __le16          comp_status;
2376         __le16          scsi_status;
2377         uint16_t        ox_id;
2378         __le16          lscsi_status;
2379         int32_t         resid;
2380         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2381             fw_resid_len;
2382         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2383         struct qla_hw_data *ha = vha->hw;
2384         uint32_t hindex, handle;
2385         uint16_t que;
2386         struct req_que *req;
2387         int logit = 1;
2388         int res = 0;
2389
2390         sts = (struct sts_entry_fx00 *) pkt;
2391
2392         comp_status = sts->comp_status;
2393         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2394         hindex = sts->handle;
2395         handle = LSW(hindex);
2396
2397         que = MSW(hindex);
2398         req = ha->req_q_map[que];
2399
2400         /* Validate handle. */
2401         if (handle < req->num_outstanding_cmds)
2402                 sp = req->outstanding_cmds[handle];
2403         else
2404                 sp = NULL;
2405
2406         if (sp == NULL) {
2407                 ql_dbg(ql_dbg_io, vha, 0x3034,
2408                     "Invalid status handle (0x%x).\n", handle);
2409
2410                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2411                 qla2xxx_wake_dpc(vha);
2412                 return;
2413         }
2414
2415         if (sp->type == SRB_TM_CMD) {
2416                 req->outstanding_cmds[handle] = NULL;
2417                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2418                     scsi_status, comp_status);
2419                 return;
2420         }
2421
2422         /* Fast path completion. */
2423         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2424                 qla2x00_do_host_ramp_up(vha);
2425                 qla2x00_process_completed_request(vha, req, handle);
2426                 return;
2427         }
2428
2429         req->outstanding_cmds[handle] = NULL;
2430         cp = GET_CMD_SP(sp);
2431         if (cp == NULL) {
2432                 ql_dbg(ql_dbg_io, vha, 0x3048,
2433                     "Command already returned (0x%x/%p).\n",
2434                     handle, sp);
2435
2436                 return;
2437         }
2438
2439         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2440
2441         fcport = sp->fcport;
2442
2443         ox_id = 0;
2444         sense_len = par_sense_len = rsp_info_len = resid_len =
2445                 fw_resid_len = 0;
2446         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2447                 sense_len = sts->sense_len;
2448         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2449             | (uint16_t)SS_RESIDUAL_OVER)))
2450                 resid_len = le32_to_cpu(sts->residual_len);
2451         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2452                 fw_resid_len = le32_to_cpu(sts->residual_len);
2453         rsp_info = sense_data = sts->data;
2454         par_sense_len = sizeof(sts->data);
2455
2456         /* Check for overrun. */
2457         if (comp_status == CS_COMPLETE &&
2458             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2459                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2460
2461         /*
2462          * Based on Host and scsi status generate status code for Linux
2463          */
2464         switch (le16_to_cpu(comp_status)) {
2465         case CS_COMPLETE:
2466         case CS_QUEUE_FULL:
2467                 if (scsi_status == 0) {
2468                         res = DID_OK << 16;
2469                         break;
2470                 }
2471                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2472                     | (uint16_t)SS_RESIDUAL_OVER))) {
2473                         resid = resid_len;
2474                         scsi_set_resid(cp, resid);
2475
2476                         if (!lscsi_status &&
2477                             ((unsigned)(scsi_bufflen(cp) - resid) <
2478                              cp->underflow)) {
2479                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2480                                     "Mid-layer underflow "
2481                                     "detected (0x%x of 0x%x bytes).\n",
2482                                     resid, scsi_bufflen(cp));
2483
2484                                 res = DID_ERROR << 16;
2485                                 break;
2486                         }
2487                 }
2488                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2489
2490                 if (lscsi_status ==
2491                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2492                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2493                             "QUEUE FULL detected.\n");
2494                         break;
2495                 }
2496                 logit = 0;
2497                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2498                         break;
2499
2500                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2501                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2502                         break;
2503
2504                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2505                     rsp, res);
2506                 break;
2507
2508         case CS_DATA_UNDERRUN:
2509                 /* Use F/W calculated residual length. */
2510                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2511                         resid = fw_resid_len;
2512                 else
2513                         resid = resid_len;
2514                 scsi_set_resid(cp, resid);
2515                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2516                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2517                             && fw_resid_len != resid_len) {
2518                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2519                                     "Dropped frame(s) detected "
2520                                     "(0x%x of 0x%x bytes).\n",
2521                                     resid, scsi_bufflen(cp));
2522
2523                                 res = DID_ERROR << 16 |
2524                                     le16_to_cpu(lscsi_status);
2525                                 goto check_scsi_status;
2526                         }
2527
2528                         if (!lscsi_status &&
2529                             ((unsigned)(scsi_bufflen(cp) - resid) <
2530                             cp->underflow)) {
2531                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2532                                     "Mid-layer underflow "
2533                                     "detected (0x%x of 0x%x bytes, "
2534                                     "cp->underflow: 0x%x).\n",
2535                                     resid, scsi_bufflen(cp), cp->underflow);
2536
2537                                 res = DID_ERROR << 16;
2538                                 break;
2539                         }
2540                 } else if (lscsi_status !=
2541                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2542                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2543                         /*
2544                          * scsi status of task set and busy are considered
2545                          * to be task not completed.
2546                          */
2547
2548                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2549                             "Dropped frame(s) detected (0x%x "
2550                             "of 0x%x bytes).\n", resid,
2551                             scsi_bufflen(cp));
2552
2553                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2554                         goto check_scsi_status;
2555                 } else {
2556                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2557                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2558                             scsi_status, lscsi_status);
2559                 }
2560
2561                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2562                 logit = 0;
2563
2564 check_scsi_status:
2565                 /*
2566                  * Check to see if SCSI Status is non zero. If so report SCSI
2567                  * Status.
2568                  */
2569                 if (lscsi_status != 0) {
2570                         if (lscsi_status ==
2571                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2572                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2573                                     "QUEUE FULL detected.\n");
2574                                 logit = 1;
2575                                 break;
2576                         }
2577                         if (lscsi_status !=
2578                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2579                                 break;
2580
2581                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2582                         if (!(scsi_status &
2583                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2584                                 break;
2585
2586                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2587                             sense_len, rsp, res);
2588                 }
2589                 break;
2590
2591         case CS_PORT_LOGGED_OUT:
2592         case CS_PORT_CONFIG_CHG:
2593         case CS_PORT_BUSY:
2594         case CS_INCOMPLETE:
2595         case CS_PORT_UNAVAILABLE:
2596         case CS_TIMEOUT:
2597         case CS_RESET:
2598
2599                 /*
2600                  * We are going to have the fc class block the rport
2601                  * while we try to recover so instruct the mid layer
2602                  * to requeue until the class decides how to handle this.
2603                  */
2604                 res = DID_TRANSPORT_DISRUPTED << 16;
2605
2606                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2607                     "Port down status: port-state=0x%x.\n",
2608                     atomic_read(&fcport->state));
2609
2610                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2611                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2612                 break;
2613
2614         case CS_ABORTED:
2615                 res = DID_RESET << 16;
2616                 break;
2617
2618         default:
2619                 res = DID_ERROR << 16;
2620                 break;
2621         }
2622
2623         if (logit)
2624                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2625                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2626                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2627                     "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2628                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2629                     comp_status, scsi_status, res, vha->host_no,
2630                     cp->device->id, cp->device->lun, fcport->tgt_id,
2631                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2632                     rsp_info_len, resid_len, fw_resid_len, sense_len,
2633                     par_sense_len, rsp_info_len);
2634
2635         if (!res)
2636                 qla2x00_do_host_ramp_up(vha);
2637
2638         if (rsp->status_srb == NULL)
2639                 sp->done(ha, sp, res);
2640 }
2641
2642 /**
2643  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2644  * @ha: SCSI driver HA context
2645  * @pkt: Entry pointer
2646  *
2647  * Extended sense data.
2648  */
2649 static void
2650 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2651 {
2652         uint8_t sense_sz = 0;
2653         struct qla_hw_data *ha = rsp->hw;
2654         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2655         srb_t *sp = rsp->status_srb;
2656         struct scsi_cmnd *cp;
2657         uint32_t sense_len;
2658         uint8_t *sense_ptr;
2659
2660         if (!sp) {
2661                 ql_dbg(ql_dbg_io, vha, 0x3037,
2662                     "no SP, sp = %p\n", sp);
2663                 return;
2664         }
2665
2666         if (!GET_FW_SENSE_LEN(sp)) {
2667                 ql_dbg(ql_dbg_io, vha, 0x304b,
2668                     "no fw sense data, sp = %p\n", sp);
2669                 return;
2670         }
2671         cp = GET_CMD_SP(sp);
2672         if (cp == NULL) {
2673                 ql_log(ql_log_warn, vha, 0x303b,
2674                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2675
2676                 rsp->status_srb = NULL;
2677                 return;
2678         }
2679
2680         if (!GET_CMD_SENSE_LEN(sp)) {
2681                 ql_dbg(ql_dbg_io, vha, 0x304c,
2682                     "no sense data, sp = %p\n", sp);
2683         } else {
2684                 sense_len = GET_CMD_SENSE_LEN(sp);
2685                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2686                 ql_dbg(ql_dbg_io, vha, 0x304f,
2687                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2688                     sp, sense_len, sense_ptr);
2689
2690                 if (sense_len > sizeof(pkt->data))
2691                         sense_sz = sizeof(pkt->data);
2692                 else
2693                         sense_sz = sense_len;
2694
2695                 /* Move sense data. */
2696                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2697                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2698                 memcpy(sense_ptr, pkt->data, sense_sz);
2699                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2700                     sense_ptr, sense_sz);
2701
2702                 sense_len -= sense_sz;
2703                 sense_ptr += sense_sz;
2704
2705                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2706                 SET_CMD_SENSE_LEN(sp, sense_len);
2707         }
2708         sense_len = GET_FW_SENSE_LEN(sp);
2709         sense_len = (sense_len > sizeof(pkt->data)) ?
2710             (sense_len - sizeof(pkt->data)) : 0;
2711         SET_FW_SENSE_LEN(sp, sense_len);
2712
2713         /* Place command on done queue. */
2714         if (sense_len == 0) {
2715                 rsp->status_srb = NULL;
2716                 sp->done(ha, sp, cp->result);
2717         }
2718 }
2719
2720 /**
2721  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2722  * @ha: SCSI driver HA context
2723  */
2724 static void
2725 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2726         struct rsp_que *rsp, void *pkt)
2727 {
2728         srb_t           *sp;
2729         struct multi_sts_entry_fx00 *stsmfx;
2730         struct qla_hw_data *ha = vha->hw;
2731         uint32_t handle, hindex, handle_count, i;
2732         uint16_t que;
2733         struct req_que *req;
2734         __le32 *handle_ptr;
2735
2736         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2737
2738         handle_count = stsmfx->handle_count;
2739
2740         if (handle_count > MAX_HANDLE_COUNT) {
2741                 ql_dbg(ql_dbg_io, vha, 0x3035,
2742                     "Invalid handle count (0x%x).\n", handle_count);
2743                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2744                 qla2xxx_wake_dpc(vha);
2745                 return;
2746         }
2747
2748         handle_ptr =  &stsmfx->handles[0];
2749
2750         for (i = 0; i < handle_count; i++) {
2751                 hindex = le32_to_cpu(*handle_ptr);
2752                 handle = LSW(hindex);
2753                 que = MSW(hindex);
2754                 req = ha->req_q_map[que];
2755
2756                 /* Validate handle. */
2757                 if (handle < req->num_outstanding_cmds)
2758                         sp = req->outstanding_cmds[handle];
2759                 else
2760                         sp = NULL;
2761
2762                 if (sp == NULL) {
2763                         ql_dbg(ql_dbg_io, vha, 0x3044,
2764                             "Invalid status handle (0x%x).\n", handle);
2765                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2766                         qla2xxx_wake_dpc(vha);
2767                         return;
2768                 }
2769                 qla2x00_process_completed_request(vha, req, handle);
2770                 handle_ptr++;
2771         }
2772 }
2773
2774 /**
2775  * qlafx00_error_entry() - Process an error entry.
2776  * @ha: SCSI driver HA context
2777  * @pkt: Entry pointer
2778  */
2779 static void
2780 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2781                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2782 {
2783         srb_t *sp;
2784         struct qla_hw_data *ha = vha->hw;
2785         const char func[] = "ERROR-IOCB";
2786         uint16_t que = MSW(pkt->handle);
2787         struct req_que *req = NULL;
2788         int res = DID_ERROR << 16;
2789
2790         ql_dbg(ql_dbg_async, vha, 0x507f,
2791             "type of error status in response: 0x%x\n", estatus);
2792
2793         req = ha->req_q_map[que];
2794
2795         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2796         if (sp) {
2797                 sp->done(ha, sp, res);
2798                 return;
2799         }
2800
2801         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2802         qla2xxx_wake_dpc(vha);
2803 }
2804
2805 /**
2806  * qlafx00_process_response_queue() - Process response queue entries.
2807  * @ha: SCSI driver HA context
2808  */
2809 static void
2810 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2811         struct rsp_que *rsp)
2812 {
2813         struct sts_entry_fx00 *pkt;
2814         response_t *lptr;
2815
2816         while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2817             RESPONSE_PROCESSED) {
2818                 lptr = rsp->ring_ptr;
2819                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2820                     sizeof(rsp->rsp_pkt));
2821                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2822
2823                 rsp->ring_index++;
2824                 if (rsp->ring_index == rsp->length) {
2825                         rsp->ring_index = 0;
2826                         rsp->ring_ptr = rsp->ring;
2827                 } else {
2828                         rsp->ring_ptr++;
2829                 }
2830
2831                 if (pkt->entry_status != 0 &&
2832                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2833                         qlafx00_error_entry(vha, rsp,
2834                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2835                             pkt->entry_type);
2836                         goto next_iter;
2837                         continue;
2838                 }
2839
2840                 switch (pkt->entry_type) {
2841                 case STATUS_TYPE_FX00:
2842                         qlafx00_status_entry(vha, rsp, pkt);
2843                         break;
2844
2845                 case STATUS_CONT_TYPE_FX00:
2846                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2847                         break;
2848
2849                 case MULTI_STATUS_TYPE_FX00:
2850                         qlafx00_multistatus_entry(vha, rsp, pkt);
2851                         break;
2852
2853                 case ABORT_IOCB_TYPE_FX00:
2854                         qlafx00_abort_iocb_entry(vha, rsp->req,
2855                            (struct abort_iocb_entry_fx00 *)pkt);
2856                         break;
2857
2858                 case IOCTL_IOSB_TYPE_FX00:
2859                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2860                             (struct ioctl_iocb_entry_fx00 *)pkt);
2861                         break;
2862                 default:
2863                         /* Type Not Supported. */
2864                         ql_dbg(ql_dbg_async, vha, 0x5081,
2865                             "Received unknown response pkt type %x "
2866                             "entry status=%x.\n",
2867                             pkt->entry_type, pkt->entry_status);
2868                         break;
2869                 }
2870 next_iter:
2871                 WRT_REG_DWORD((void __iomem *)&lptr->signature,
2872                     RESPONSE_PROCESSED);
2873                 wmb();
2874         }
2875
2876         /* Adjust ring index */
2877         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2878 }
2879
2880 /**
2881  * qlafx00_async_event() - Process aynchronous events.
2882  * @ha: SCSI driver HA context
2883  */
2884 static void
2885 qlafx00_async_event(scsi_qla_host_t *vha)
2886 {
2887         struct qla_hw_data *ha = vha->hw;
2888         struct device_reg_fx00 __iomem *reg;
2889         int data_size = 1;
2890
2891         reg = &ha->iobase->ispfx00;
2892         /* Setup to process RIO completion. */
2893         switch (ha->aenmb[0]) {
2894         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2895                 ql_log(ql_log_warn, vha, 0x5079,
2896                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2897                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2898                 break;
2899
2900         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2901                 ql_dbg(ql_dbg_async, vha, 0x5076,
2902                     "Asynchronous FW shutdown requested.\n");
2903                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2904                 qla2xxx_wake_dpc(vha);
2905                 break;
2906
2907         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2908                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2909                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2910                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2911                 ql_dbg(ql_dbg_async, vha, 0x5077,
2912                     "Asynchronous port Update received "
2913                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2914                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2915                 data_size = 4;
2916                 break;
2917
2918         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2919                 ql_log(ql_log_info, vha, 0x5085,
2920                     "Asynchronous over temperature event received "
2921                     "aenmb[0]: %x\n",
2922                     ha->aenmb[0]);
2923                 break;
2924
2925         case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2926                 ql_log(ql_log_info, vha, 0x5086,
2927                     "Asynchronous normal temperature event received "
2928                     "aenmb[0]: %x\n",
2929                     ha->aenmb[0]);
2930                 break;
2931
2932         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2933                 ql_log(ql_log_info, vha, 0x5083,
2934                     "Asynchronous critical temperature event received "
2935                     "aenmb[0]: %x\n",
2936                 ha->aenmb[0]);
2937                 break;
2938
2939         default:
2940                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2941                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2942                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2943                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2944                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2945                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2946                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2947                 ql_dbg(ql_dbg_async, vha, 0x5078,
2948                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2949                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2950                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2951                 break;
2952         }
2953         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2954             (uint32_t *)ha->aenmb, data_size);
2955 }
2956
2957 /**
2958  *
2959  * qlafx00x_mbx_completion() - Process mailbox command completions.
2960  * @ha: SCSI driver HA context
2961  * @mb16: Mailbox16 register
2962  */
2963 static void
2964 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2965 {
2966         uint16_t        cnt;
2967         uint16_t __iomem *wptr;
2968         struct qla_hw_data *ha = vha->hw;
2969         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2970
2971         if (!ha->mcp32)
2972                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2973
2974         /* Load return mailbox registers. */
2975         ha->flags.mbox_int = 1;
2976         ha->mailbox_out32[0] = mb0;
2977         wptr = (uint16_t __iomem *)&reg->mailbox17;
2978
2979         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2980                 ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
2981                 wptr++;
2982         }
2983 }
2984
2985 /**
2986  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2987  * @irq:
2988  * @dev_id: SCSI driver HA context
2989  *
2990  * Called by system whenever the host adapter generates an interrupt.
2991  *
2992  * Returns handled flag.
2993  */
2994 irqreturn_t
2995 qlafx00_intr_handler(int irq, void *dev_id)
2996 {
2997         scsi_qla_host_t *vha;
2998         struct qla_hw_data *ha;
2999         struct device_reg_fx00 __iomem *reg;
3000         int             status;
3001         unsigned long   iter;
3002         uint32_t        stat;
3003         uint32_t        mb[8];
3004         struct rsp_que *rsp;
3005         unsigned long   flags;
3006         uint32_t clr_intr = 0;
3007
3008         rsp = (struct rsp_que *) dev_id;
3009         if (!rsp) {
3010                 ql_log(ql_log_info, NULL, 0x507d,
3011                     "%s: NULL response queue pointer.\n", __func__);
3012                 return IRQ_NONE;
3013         }
3014
3015         ha = rsp->hw;
3016         reg = &ha->iobase->ispfx00;
3017         status = 0;
3018
3019         if (unlikely(pci_channel_offline(ha->pdev)))
3020                 return IRQ_HANDLED;
3021
3022         spin_lock_irqsave(&ha->hardware_lock, flags);
3023         vha = pci_get_drvdata(ha->pdev);
3024         for (iter = 50; iter--; clr_intr = 0) {
3025                 stat = QLAFX00_RD_INTR_REG(ha);
3026                 if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3027                         break;
3028
3029                 switch (stat & QLAFX00_HST_INT_STS_BITS) {
3030                 case QLAFX00_INTR_MB_CMPLT:
3031                 case QLAFX00_INTR_MB_RSP_CMPLT:
3032                 case QLAFX00_INTR_MB_ASYNC_CMPLT:
3033                 case QLAFX00_INTR_ALL_CMPLT:
3034                         mb[0] = RD_REG_WORD(&reg->mailbox16);
3035                         qlafx00_mbx_completion(vha, mb[0]);
3036                         status |= MBX_INTERRUPT;
3037                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
3038                         break;
3039                 case QLAFX00_INTR_ASYNC_CMPLT:
3040                 case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3041                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3042                         qlafx00_async_event(vha);
3043                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3044                         break;
3045                 case QLAFX00_INTR_RSP_CMPLT:
3046                         qlafx00_process_response_queue(vha, rsp);
3047                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3048                         break;
3049                 default:
3050                         ql_dbg(ql_dbg_async, vha, 0x507a,
3051                             "Unrecognized interrupt type (%d).\n", stat);
3052                         break;
3053                 }
3054                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
3055                 QLAFX00_RD_INTR_REG(ha);
3056         }
3057
3058         qla2x00_handle_mbx_completion(ha, status);
3059         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3060
3061         return IRQ_HANDLED;
3062 }
3063
3064 /** QLAFX00 specific IOCB implementation functions */
3065
3066 static inline cont_a64_entry_t *
3067 qlafx00_prep_cont_type1_iocb(struct req_que *req,
3068                              cont_a64_entry_t *lcont_pkt)
3069 {
3070         cont_a64_entry_t *cont_pkt;
3071
3072         /* Adjust ring index. */
3073         req->ring_index++;
3074         if (req->ring_index == req->length) {
3075                 req->ring_index = 0;
3076                 req->ring_ptr = req->ring;
3077         } else {
3078                 req->ring_ptr++;
3079         }
3080
3081         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3082
3083         /* Load packet defaults. */
3084         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3085
3086         return cont_pkt;
3087 }
3088
3089 static inline void
3090 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3091                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3092 {
3093         uint16_t        avail_dsds;
3094         __le32 *cur_dsd;
3095         scsi_qla_host_t *vha;
3096         struct scsi_cmnd *cmd;
3097         struct scatterlist *sg;
3098         int i, cont;
3099         struct req_que *req;
3100         cont_a64_entry_t lcont_pkt;
3101         cont_a64_entry_t *cont_pkt;
3102
3103         vha = sp->fcport->vha;
3104         req = vha->req;
3105
3106         cmd = GET_CMD_SP(sp);
3107         cont = 0;
3108         cont_pkt = NULL;
3109
3110         /* Update entry type to indicate Command Type 3 IOCB */
3111         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3112
3113         /* No data transfer */
3114         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3115                 lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3116                 return;
3117         }
3118
3119         /* Set transfer direction */
3120         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3121                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3122                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3123         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3124                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3125                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3126         }
3127
3128         /* One DSD is available in the Command Type 3 IOCB */
3129         avail_dsds = 1;
3130         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3131
3132         /* Load data segments */
3133         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3134                 dma_addr_t      sle_dma;
3135
3136                 /* Allocate additional continuation packets? */
3137                 if (avail_dsds == 0) {
3138                         /*
3139                          * Five DSDs are available in the Continuation
3140                          * Type 1 IOCB.
3141                          */
3142                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3143                         cont_pkt =
3144                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3145                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3146                         avail_dsds = 5;
3147                         cont = 1;
3148                 }
3149
3150                 sle_dma = sg_dma_address(sg);
3151                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3152                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3153                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3154                 avail_dsds--;
3155                 if (avail_dsds == 0 && cont == 1) {
3156                         cont = 0;
3157                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3158                             REQUEST_ENTRY_SIZE);
3159                 }
3160
3161         }
3162         if (avail_dsds != 0 && cont == 1) {
3163                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3164                     REQUEST_ENTRY_SIZE);
3165         }
3166 }
3167
3168 /**
3169  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3170  * @sp: command to send to the ISP
3171  *
3172  * Returns non-zero if a failure occurred, else zero.
3173  */
3174 int
3175 qlafx00_start_scsi(srb_t *sp)
3176 {
3177         int             ret, nseg;
3178         unsigned long   flags;
3179         uint32_t        index;
3180         uint32_t        handle;
3181         uint16_t        cnt;
3182         uint16_t        req_cnt;
3183         uint16_t        tot_dsds;
3184         struct req_que *req = NULL;
3185         struct rsp_que *rsp = NULL;
3186         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3187         struct scsi_qla_host *vha = sp->fcport->vha;
3188         struct qla_hw_data *ha = vha->hw;
3189         struct cmd_type_7_fx00 *cmd_pkt;
3190         struct cmd_type_7_fx00 lcmd_pkt;
3191         struct scsi_lun llun;
3192         char            tag[2];
3193
3194         /* Setup device pointers. */
3195         ret = 0;
3196
3197         rsp = ha->rsp_q_map[0];
3198         req = vha->req;
3199
3200         /* So we know we haven't pci_map'ed anything yet */
3201         tot_dsds = 0;
3202
3203         /* Forcing marker needed for now */
3204         vha->marker_needed = 0;
3205
3206         /* Send marker if required */
3207         if (vha->marker_needed != 0) {
3208                 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3209                     QLA_SUCCESS)
3210                         return QLA_FUNCTION_FAILED;
3211                 vha->marker_needed = 0;
3212         }
3213
3214         /* Acquire ring specific lock */
3215         spin_lock_irqsave(&ha->hardware_lock, flags);
3216
3217         /* Check for room in outstanding command list. */
3218         handle = req->current_outstanding_cmd;
3219         for (index = 1; index < req->num_outstanding_cmds; index++) {
3220                 handle++;
3221                 if (handle == req->num_outstanding_cmds)
3222                         handle = 1;
3223                 if (!req->outstanding_cmds[handle])
3224                         break;
3225         }
3226         if (index == req->num_outstanding_cmds)
3227                 goto queuing_error;
3228
3229         /* Map the sg table so we have an accurate count of sg entries needed */
3230         if (scsi_sg_count(cmd)) {
3231                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3232                     scsi_sg_count(cmd), cmd->sc_data_direction);
3233                 if (unlikely(!nseg))
3234                         goto queuing_error;
3235         } else
3236                 nseg = 0;
3237
3238         tot_dsds = nseg;
3239         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3240         if (req->cnt < (req_cnt + 2)) {
3241                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3242
3243                 if (req->ring_index < cnt)
3244                         req->cnt = cnt - req->ring_index;
3245                 else
3246                         req->cnt = req->length -
3247                                 (req->ring_index - cnt);
3248                 if (req->cnt < (req_cnt + 2))
3249                         goto queuing_error;
3250         }
3251
3252         /* Build command packet. */
3253         req->current_outstanding_cmd = handle;
3254         req->outstanding_cmds[handle] = sp;
3255         sp->handle = handle;
3256         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3257         req->cnt -= req_cnt;
3258
3259         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3260
3261         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3262
3263         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3264         lcmd_pkt.handle_hi = 0;
3265         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3266         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3267
3268         int_to_scsilun(cmd->device->lun, &llun);
3269         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3270             sizeof(lcmd_pkt.lun));
3271
3272         /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3273         if (scsi_populate_tag_msg(cmd, tag)) {
3274                 switch (tag[0]) {
3275                 case HEAD_OF_QUEUE_TAG:
3276                         lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3277                         break;
3278                 case ORDERED_QUEUE_TAG:
3279                         lcmd_pkt.task = TSK_ORDERED;
3280                         break;
3281                 }
3282         }
3283
3284         /* Load SCSI command packet. */
3285         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3286         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3287
3288         /* Build IOCB segments */
3289         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3290
3291         /* Set total data segment count. */
3292         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3293
3294         /* Specify response queue number where completion should happen */
3295         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3296
3297         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3298             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3299         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3300             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3301
3302         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3303         wmb();
3304
3305         /* Adjust ring index. */
3306         req->ring_index++;
3307         if (req->ring_index == req->length) {
3308                 req->ring_index = 0;
3309                 req->ring_ptr = req->ring;
3310         } else
3311                 req->ring_ptr++;
3312
3313         sp->flags |= SRB_DMA_VALID;
3314
3315         /* Set chip new ring index. */
3316         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3317         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3318
3319         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3320         return QLA_SUCCESS;
3321
3322 queuing_error:
3323         if (tot_dsds)
3324                 scsi_dma_unmap(cmd);
3325
3326         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3327
3328         return QLA_FUNCTION_FAILED;
3329 }
3330
3331 void
3332 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3333 {
3334         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3335         scsi_qla_host_t *vha = sp->fcport->vha;
3336         struct req_que *req = vha->req;
3337         struct tsk_mgmt_entry_fx00 tm_iocb;
3338         struct scsi_lun llun;
3339
3340         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3341         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3342         tm_iocb.entry_count = 1;
3343         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3344         tm_iocb.handle_hi = 0;
3345         tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3346         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3347         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3348         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3349                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3350                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3351                     sizeof(struct scsi_lun));
3352         }
3353
3354         memcpy((void *)ptm_iocb, &tm_iocb,
3355             sizeof(struct tsk_mgmt_entry_fx00));
3356         wmb();
3357 }
3358
3359 void
3360 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3361 {
3362         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3363         scsi_qla_host_t *vha = sp->fcport->vha;
3364         struct req_que *req = vha->req;
3365         struct abort_iocb_entry_fx00 abt_iocb;
3366
3367         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3368         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3369         abt_iocb.entry_count = 1;
3370         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3371         abt_iocb.abort_handle =
3372             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3373         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3374         abt_iocb.req_que_no = cpu_to_le16(req->id);
3375
3376         memcpy((void *)pabt_iocb, &abt_iocb,
3377             sizeof(struct abort_iocb_entry_fx00));
3378         wmb();
3379 }
3380
3381 void
3382 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3383 {
3384         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3385         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3386         struct fc_bsg_job *bsg_job;
3387         struct fxdisc_entry_fx00 fx_iocb;
3388         uint8_t entry_cnt = 1;
3389
3390         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3391         fx_iocb.entry_type = FX00_IOCB_TYPE;
3392         fx_iocb.handle = cpu_to_le32(sp->handle);
3393         fx_iocb.entry_count = entry_cnt;
3394
3395         if (sp->type == SRB_FXIOCB_DCMD) {
3396                 fx_iocb.func_num =
3397                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3398                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3399                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3400                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3401                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3402                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3403
3404                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3405                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3406                         fx_iocb.req_xfrcnt =
3407                             cpu_to_le16(fxio->u.fxiocb.req_len);
3408                         fx_iocb.dseg_rq_address[0] =
3409                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3410                         fx_iocb.dseg_rq_address[1] =
3411                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3412                         fx_iocb.dseg_rq_len =
3413                             cpu_to_le32(fxio->u.fxiocb.req_len);
3414                 }
3415
3416                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3417                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3418                         fx_iocb.rsp_xfrcnt =
3419                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3420                         fx_iocb.dseg_rsp_address[0] =
3421                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3422                         fx_iocb.dseg_rsp_address[1] =
3423                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3424                         fx_iocb.dseg_rsp_len =
3425                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3426                 }
3427
3428                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3429                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3430                 }
3431                 fx_iocb.flags = fxio->u.fxiocb.flags;
3432         } else {
3433                 struct scatterlist *sg;
3434                 bsg_job = sp->u.bsg_job;
3435                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3436                         &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3437
3438                 fx_iocb.func_num = piocb_rqst->func_type;
3439                 fx_iocb.adapid = piocb_rqst->adapid;
3440                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3441                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3442                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3443                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3444                 fx_iocb.dataword = piocb_rqst->dataword;
3445                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3446                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3447
3448                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3449                         int avail_dsds, tot_dsds;
3450                         cont_a64_entry_t lcont_pkt;
3451                         cont_a64_entry_t *cont_pkt = NULL;
3452                         __le32 *cur_dsd;
3453                         int index = 0, cont = 0;
3454
3455                         fx_iocb.req_dsdcnt =
3456                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3457                         tot_dsds =
3458                             bsg_job->request_payload.sg_cnt;
3459                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3460                         avail_dsds = 1;
3461                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3462                             tot_dsds, index) {
3463                                 dma_addr_t sle_dma;
3464
3465                                 /* Allocate additional continuation packets? */
3466                                 if (avail_dsds == 0) {
3467                                         /*
3468                                          * Five DSDs are available in the Cont.
3469                                          * Type 1 IOCB.
3470                                          */
3471                                         memset(&lcont_pkt, 0,
3472                                             REQUEST_ENTRY_SIZE);
3473                                         cont_pkt =
3474                                             qlafx00_prep_cont_type1_iocb(
3475                                                 sp->fcport->vha->req,
3476                                                 &lcont_pkt);
3477                                         cur_dsd = (__le32 *)
3478                                             lcont_pkt.dseg_0_address;
3479                                         avail_dsds = 5;
3480                                         cont = 1;
3481                                         entry_cnt++;
3482                                 }
3483
3484                                 sle_dma = sg_dma_address(sg);
3485                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3486                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3487                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3488                                 avail_dsds--;
3489
3490                                 if (avail_dsds == 0 && cont == 1) {
3491                                         cont = 0;
3492                                         memcpy_toio(
3493                                             (void __iomem *)cont_pkt,
3494                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3495                                         ql_dump_buffer(
3496                                             ql_dbg_user + ql_dbg_verbose,
3497                                             sp->fcport->vha, 0x3042,
3498                                             (uint8_t *)&lcont_pkt,
3499                                              REQUEST_ENTRY_SIZE);
3500                                 }
3501                         }
3502                         if (avail_dsds != 0 && cont == 1) {
3503                                 memcpy_toio((void __iomem *)cont_pkt,
3504                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3505                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3506                                     sp->fcport->vha, 0x3043,
3507                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3508                         }
3509                 }
3510
3511                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3512                         int avail_dsds, tot_dsds;
3513                         cont_a64_entry_t lcont_pkt;
3514                         cont_a64_entry_t *cont_pkt = NULL;
3515                         __le32 *cur_dsd;
3516                         int index = 0, cont = 0;
3517
3518                         fx_iocb.rsp_dsdcnt =
3519                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3520                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3521                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3522                         avail_dsds = 1;
3523
3524                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3525                             tot_dsds, index) {
3526                                 dma_addr_t sle_dma;
3527
3528                                 /* Allocate additional continuation packets? */
3529                                 if (avail_dsds == 0) {
3530                                         /*
3531                                         * Five DSDs are available in the Cont.
3532                                         * Type 1 IOCB.
3533                                         */
3534                                         memset(&lcont_pkt, 0,
3535                                             REQUEST_ENTRY_SIZE);
3536                                         cont_pkt =
3537                                             qlafx00_prep_cont_type1_iocb(
3538                                                 sp->fcport->vha->req,
3539                                                 &lcont_pkt);
3540                                         cur_dsd = (__le32 *)
3541                                             lcont_pkt.dseg_0_address;
3542                                         avail_dsds = 5;
3543                                         cont = 1;
3544                                         entry_cnt++;
3545                                 }
3546
3547                                 sle_dma = sg_dma_address(sg);
3548                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3549                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3550                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3551                                 avail_dsds--;
3552
3553                                 if (avail_dsds == 0 && cont == 1) {
3554                                         cont = 0;
3555                                         memcpy_toio((void __iomem *)cont_pkt,
3556                                             &lcont_pkt,
3557                                             REQUEST_ENTRY_SIZE);
3558                                         ql_dump_buffer(
3559                                             ql_dbg_user + ql_dbg_verbose,
3560                                             sp->fcport->vha, 0x3045,
3561                                             (uint8_t *)&lcont_pkt,
3562                                             REQUEST_ENTRY_SIZE);
3563                                 }
3564                         }
3565                         if (avail_dsds != 0 && cont == 1) {
3566                                 memcpy_toio((void __iomem *)cont_pkt,
3567                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3568                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3569                                     sp->fcport->vha, 0x3046,
3570                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3571                         }
3572                 }
3573
3574                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3575                         fx_iocb.dataword = piocb_rqst->dataword;
3576                 fx_iocb.flags = piocb_rqst->flags;
3577                 fx_iocb.entry_count = entry_cnt;
3578         }
3579
3580         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3581             sp->fcport->vha, 0x3047,
3582             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3583
3584         memcpy((void *)pfxiocb, &fx_iocb,
3585             sizeof(struct fxdisc_entry_fx00));
3586         wmb();
3587 }