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