Pileus Git - ~andy/linux/blob - drivers/scsi/qla2xxx/qla_mr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include <linux/delay.h>
   9 #include <linux/pci.h>
  10 #include <linux/ratelimit.h>
  11 #include <linux/vmalloc.h>
  12 #include <scsi/scsi_tcq.h>
  13 #include <linux/utsname.h>
  14
  15
  16 /* QLAFX00 specific Mailbox implementation functions */
  17
  18 /*
  19  * qlafx00_mailbox_command
  20  *      Issue mailbox command and waits for completion.
  21  *
  22  * Input:
  23  *      ha = adapter block pointer.
  24  *      mcp = driver internal mbx struct pointer.
  25  *
  26  * Output:
  27  *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
  28  *
  29  * Returns:
  30  *      0 : QLA_SUCCESS = cmd performed success
  31  *      1 : QLA_FUNCTION_FAILED   (error encountered)
  32  *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
  33  *
  34  * Context:
  35  *      Kernel context.
  36  */
  37 static int
  38 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
  39
  40 {
  41         int             rval;
  42         unsigned long    flags = 0;
  43         device_reg_t __iomem *reg;
  44         uint8_t         abort_active;
  45         uint8_t         io_lock_on;
  46         uint16_t        command = 0;
  47         uint32_t        *iptr;
  48         uint32_t __iomem *optr;
  49         uint32_t        cnt;
  50         uint32_t        mboxes;
  51         unsigned long   wait_time;
  52         struct qla_hw_data *ha = vha->hw;
  53         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  54
  55         if (ha->pdev->error_state > pci_channel_io_frozen) {
  56                 ql_log(ql_log_warn, vha, 0x115c,
  57                     "error_state is greater than pci_channel_io_frozen, "
  58                     "exiting.\n");
  59                 return QLA_FUNCTION_TIMEOUT;
  60         }
  61
  62         if (vha->device_flags & DFLG_DEV_FAILED) {
  63                 ql_log(ql_log_warn, vha, 0x115f,
  64                     "Device in failed state, exiting.\n");
  65                 return QLA_FUNCTION_TIMEOUT;
  66         }
  67
  68         reg = ha->iobase;
  69         io_lock_on = base_vha->flags.init_done;
  70
  71         rval = QLA_SUCCESS;
  72         abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  73
  74         if (ha->flags.pci_channel_io_perm_failure) {
  75                 ql_log(ql_log_warn, vha, 0x1175,
  76                     "Perm failure on EEH timeout MBX, exiting.\n");
  77                 return QLA_FUNCTION_TIMEOUT;
  78         }
  79
  80         if (ha->flags.isp82xx_fw_hung) {
  81                 /* Setting Link-Down error */
  82                 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  83                 ql_log(ql_log_warn, vha, 0x1176,
  84                     "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  85                 rval = QLA_FUNCTION_FAILED;
  86                 goto premature_exit;
  87         }
  88
  89         /*
  90          * Wait for active mailbox commands to finish by waiting at most tov
  91          * seconds. This is to serialize actual issuing of mailbox cmds during
  92          * non ISP abort time.
  93          */
  94         if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  95                 /* Timeout occurred. Return error. */
  96                 ql_log(ql_log_warn, vha, 0x1177,
  97                     "Cmd access timeout, cmd=0x%x, Exiting.\n",
  98                     mcp->mb[0]);
  99                 return QLA_FUNCTION_TIMEOUT;
 100         }
 101
 102         ha->flags.mbox_busy = 1;
 103         /* Save mailbox command for debug */
 104         ha->mcp32 = mcp;
 105
 106         ql_dbg(ql_dbg_mbx, vha, 0x1178,
 107             "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
 108
 109         spin_lock_irqsave(&ha->hardware_lock, flags);
 110
 111         /* Load mailbox registers. */
 112         optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
 113
 114         iptr = mcp->mb;
 115         command = mcp->mb[0];
 116         mboxes = mcp->out_mb;
 117
 118         for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 119                 if (mboxes & BIT_0)
 120                         WRT_REG_DWORD(optr, *iptr);
 121
 122                 mboxes >>= 1;
 123                 optr++;
 124                 iptr++;
 125         }
 126
 127         /* Issue set host interrupt command to send cmd out. */
 128         ha->flags.mbox_int = 0;
 129         clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 130
 131         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
 132             (uint8_t *)mcp->mb, 16);
 133         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
 134             ((uint8_t *)mcp->mb + 0x10), 16);
 135         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
 136             ((uint8_t *)mcp->mb + 0x20), 8);
 137
 138         /* Unlock mbx registers and wait for interrupt */
 139         ql_dbg(ql_dbg_mbx, vha, 0x1179,
 140             "Going to unlock irq & waiting for interrupts. "
 141             "jiffies=%lx.\n", jiffies);
 142
 143         /* Wait for mbx cmd completion until timeout */
 144         if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 145                 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 146
 147                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 148                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 149
 150                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 151         } else {
 152                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
 153                     "Cmd=%x Polling Mode.\n", command);
 154
 155                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 156                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 157
 158                 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 159                 while (!ha->flags.mbox_int) {
 160                         if (time_after(jiffies, wait_time))
 161                                 break;
 162
 163                         /* Check for pending interrupts. */
 164                         qla2x00_poll(ha->rsp_q_map[0]);
 165
 166                         if (!ha->flags.mbox_int &&
 167                             !(IS_QLA2200(ha) &&
 168                             command == MBC_LOAD_RISC_RAM_EXTENDED))
 169                                 usleep_range(10000, 11000);
 170                 } /* while */
 171                 ql_dbg(ql_dbg_mbx, vha, 0x112d,
 172                     "Waited %d sec.\n",
 173                     (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
 174         }
 175
 176         /* Check whether we timed out */
 177         if (ha->flags.mbox_int) {
 178                 uint32_t *iptr2;
 179
 180                 ql_dbg(ql_dbg_mbx, vha, 0x112e,
 181                     "Cmd=%x completed.\n", command);
 182
 183                 /* Got interrupt. Clear the flag. */
 184                 ha->flags.mbox_int = 0;
 185                 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 186
 187                 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
 188                         rval = QLA_FUNCTION_FAILED;
 189
 190                 /* Load return mailbox registers. */
 191                 iptr2 = mcp->mb;
 192                 iptr = (uint32_t *)&ha->mailbox_out32[0];
 193                 mboxes = mcp->in_mb;
 194                 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 195                         if (mboxes & BIT_0)
 196                                 *iptr2 = *iptr;
 197
 198                         mboxes >>= 1;
 199                         iptr2++;
 200                         iptr++;
 201                 }
 202         } else {
 203
 204                 rval = QLA_FUNCTION_TIMEOUT;
 205         }
 206
 207         ha->flags.mbox_busy = 0;
 208
 209         /* Clean up */
 210         ha->mcp32 = NULL;
 211
 212         if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
 213                 ql_dbg(ql_dbg_mbx, vha, 0x113a,
 214                     "checking for additional resp interrupt.\n");
 215
 216                 /* polling mode for non isp_abort commands. */
 217                 qla2x00_poll(ha->rsp_q_map[0]);
 218         }
 219
 220         if (rval == QLA_FUNCTION_TIMEOUT &&
 221             mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
 222                 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
 223                     ha->flags.eeh_busy) {
 224                         /* not in dpc. schedule it for dpc to take over. */
 225                         ql_dbg(ql_dbg_mbx, vha, 0x115d,
 226                             "Timeout, schedule isp_abort_needed.\n");
 227
 228                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 229                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 230                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 231
 232                                 ql_log(ql_log_info, base_vha, 0x115e,
 233                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 234                                     "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
 235                                     "abort.\n", command, mcp->mb[0],
 236                                     ha->flags.eeh_busy);
 237                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 238                                 qla2xxx_wake_dpc(vha);
 239                         }
 240                 } else if (!abort_active) {
 241                         /* call abort directly since we are in the DPC thread */
 242                         ql_dbg(ql_dbg_mbx, vha, 0x1160,
 243                             "Timeout, calling abort_isp.\n");
 244
 245                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 246                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 247                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 248
 249                                 ql_log(ql_log_info, base_vha, 0x1161,
 250                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 251                                     "mb[0]=0x%x. Scheduling ISP abort ",
 252                                     command, mcp->mb[0]);
 253
 254                                 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 255                                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 256                                 if (ha->isp_ops->abort_isp(vha)) {
 257                                         /* Failed. retry later. */
 258                                         set_bit(ISP_ABORT_NEEDED,
 259                                             &vha->dpc_flags);
 260                                 }
 261                                 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 262                                 ql_dbg(ql_dbg_mbx, vha, 0x1162,
 263                                     "Finished abort_isp.\n");
 264                         }
 265                 }
 266         }
 267
 268 premature_exit:
 269         /* Allow next mbx cmd to come in. */
 270         complete(&ha->mbx_cmd_comp);
 271
 272         if (rval) {
 273                 ql_log(ql_log_warn, base_vha, 0x1163,
 274                     "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
 275                     "mb[3]=%x, cmd=%x ****.\n",
 276                     mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
 277         } else {
 278                 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
 279         }
 280
 281         return rval;
 282 }
 283
 284 /*
 285  * qlafx00_driver_shutdown
 286  *      Indicate a driver shutdown to firmware.
 287  *
 288  * Input:
 289  *      ha = adapter block pointer.
 290  *
 291  * Returns:
 292  *      local function return status code.
 293  *
 294  * Context:
 295  *      Kernel context.
 296  */
 297 int
 298 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
 299 {
 300         int rval;
 301         struct mbx_cmd_32 mc;
 302         struct mbx_cmd_32 *mcp = &mc;
 303
 304         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
 305             "Entered %s.\n", __func__);
 306
 307         mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
 308         mcp->out_mb = MBX_0;
 309         mcp->in_mb = MBX_0;
 310         if (tmo)
 311                 mcp->tov = tmo;
 312         else
 313                 mcp->tov = MBX_TOV_SECONDS;
 314         mcp->flags = 0;
 315         rval = qlafx00_mailbox_command(vha, mcp);
 316
 317         if (rval != QLA_SUCCESS) {
 318                 ql_dbg(ql_dbg_mbx, vha, 0x1167,
 319                     "Failed=%x.\n", rval);
 320         } else {
 321                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
 322                     "Done %s.\n", __func__);
 323         }
 324
 325         return rval;
 326 }
 327
 328 /*
 329  * qlafx00_get_firmware_state
 330  *      Get adapter firmware state.
 331  *
 332  * Input:
 333  *      ha = adapter block pointer.
 334  *      TARGET_QUEUE_LOCK must be released.
 335  *      ADAPTER_STATE_LOCK must be released.
 336  *
 337  * Returns:
 338  *      qla7xxx local function return status code.
 339  *
 340  * Context:
 341  *      Kernel context.
 342  */
 343 static int
 344 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
 345 {
 346         int rval;
 347         struct mbx_cmd_32 mc;
 348         struct mbx_cmd_32 *mcp = &mc;
 349
 350         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
 351             "Entered %s.\n", __func__);
 352
 353         mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 354         mcp->out_mb = MBX_0;
 355         mcp->in_mb = MBX_1|MBX_0;
 356         mcp->tov = MBX_TOV_SECONDS;
 357         mcp->flags = 0;
 358         rval = qlafx00_mailbox_command(vha, mcp);
 359
 360         /* Return firmware states. */
 361         states[0] = mcp->mb[1];
 362
 363         if (rval != QLA_SUCCESS) {
 364                 ql_dbg(ql_dbg_mbx, vha, 0x116a,
 365                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 366         } else {
 367                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
 368                     "Done %s.\n", __func__);
 369         }
 370         return rval;
 371 }
 372
 373 /*
 374  * qlafx00_init_firmware
 375  *      Initialize adapter firmware.
 376  *
 377  * Input:
 378  *      ha = adapter block pointer.
 379  *      dptr = Initialization control block pointer.
 380  *      size = size of initialization control block.
 381  *      TARGET_QUEUE_LOCK must be released.
 382  *      ADAPTER_STATE_LOCK must be released.
 383  *
 384  * Returns:
 385  *      qlafx00 local function return status code.
 386  *
 387  * Context:
 388  *      Kernel context.
 389  */
 390 int
 391 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 392 {
 393         int rval;
 394         struct mbx_cmd_32 mc;
 395         struct mbx_cmd_32 *mcp = &mc;
 396         struct qla_hw_data *ha = vha->hw;
 397
 398         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
 399             "Entered %s.\n", __func__);
 400
 401         mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
 402
 403         mcp->mb[1] = 0;
 404         mcp->mb[2] = MSD(ha->init_cb_dma);
 405         mcp->mb[3] = LSD(ha->init_cb_dma);
 406
 407         mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 408         mcp->in_mb = MBX_0;
 409         mcp->buf_size = size;
 410         mcp->flags = MBX_DMA_OUT;
 411         mcp->tov = MBX_TOV_SECONDS;
 412         rval = qlafx00_mailbox_command(vha, mcp);
 413
 414         if (rval != QLA_SUCCESS) {
 415                 ql_dbg(ql_dbg_mbx, vha, 0x116d,
 416                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 417         } else {
 418                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
 419                     "Done %s.\n", __func__);
 420         }
 421         return rval;
 422 }
 423
 424 /*
 425  * qlafx00_mbx_reg_test
 426  */
 427 static int
 428 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
 429 {
 430         int rval;
 431         struct mbx_cmd_32 mc;
 432         struct mbx_cmd_32 *mcp = &mc;
 433
 434         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
 435             "Entered %s.\n", __func__);
 436
 437
 438         mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
 439         mcp->mb[1] = 0xAAAA;
 440         mcp->mb[2] = 0x5555;
 441         mcp->mb[3] = 0xAA55;
 442         mcp->mb[4] = 0x55AA;
 443         mcp->mb[5] = 0xA5A5;
 444         mcp->mb[6] = 0x5A5A;
 445         mcp->mb[7] = 0x2525;
 446         mcp->mb[8] = 0xBBBB;
 447         mcp->mb[9] = 0x6666;
 448         mcp->mb[10] = 0xBB66;
 449         mcp->mb[11] = 0x66BB;
 450         mcp->mb[12] = 0xB6B6;
 451         mcp->mb[13] = 0x6B6B;
 452         mcp->mb[14] = 0x3636;
 453         mcp->mb[15] = 0xCCCC;
 454
 455
 456         mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 457                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 458         mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 459                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 460         mcp->buf_size = 0;
 461         mcp->flags = MBX_DMA_OUT;
 462         mcp->tov = MBX_TOV_SECONDS;
 463         rval = qlafx00_mailbox_command(vha, mcp);
 464         if (rval == QLA_SUCCESS) {
 465                 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
 466                     mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
 467                         rval = QLA_FUNCTION_FAILED;
 468                 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
 469                     mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
 470                         rval = QLA_FUNCTION_FAILED;
 471                 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
 472                     mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
 473                         rval = QLA_FUNCTION_FAILED;
 474                 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
 475                     mcp->mb[31] != 0xCCCC)
 476                         rval = QLA_FUNCTION_FAILED;
 477         }
 478
 479         if (rval != QLA_SUCCESS) {
 480                 ql_dbg(ql_dbg_mbx, vha, 0x1170,
 481                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 482         } else {
 483                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
 484                     "Done %s.\n", __func__);
 485         }
 486         return rval;
 487 }
 488
 489 /**
 490  * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 491  * @ha: HA context
 492  *
 493  * Returns 0 on success.
 494  */
 495 int
 496 qlafx00_pci_config(scsi_qla_host_t *vha)
 497 {
 498         uint16_t w;
 499         struct qla_hw_data *ha = vha->hw;
 500
 501         pci_set_master(ha->pdev);
 502         pci_try_set_mwi(ha->pdev);
 503
 504         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 505         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 506         w &= ~PCI_COMMAND_INTX_DISABLE;
 507         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 508
 509         /* PCIe -- adjust Maximum Read Request Size (2048). */
 510         if (pci_is_pcie(ha->pdev))
 511                 pcie_set_readrq(ha->pdev, 2048);
 512
 513         ha->chip_revision = ha->pdev->revision;
 514
 515         return QLA_SUCCESS;
 516 }
 517
 518 /**
 519  * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 520  * @ha: HA context
 521  *
 522   */
 523 static inline void
 524 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
 525 {
 526         unsigned long flags = 0;
 527         struct qla_hw_data *ha = vha->hw;
 528         int i, core;
 529         uint32_t cnt;
 530
 531         /* Set all 4 cores in reset */
 532         for (i = 0; i < 4; i++) {
 533                 QLAFX00_SET_HBA_SOC_REG(ha,
 534                     (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
 535         }
 536
 537         /* Set all 4 core Clock gating control */
 538         for (i = 0; i < 4; i++) {
 539                 QLAFX00_SET_HBA_SOC_REG(ha,
 540                     (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
 541         }
 542
 543         /* Reset all units in Fabric */
 544         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
 545
 546         /* Reset all interrupt control registers */
 547         for (i = 0; i < 115; i++) {
 548                 QLAFX00_SET_HBA_SOC_REG(ha,
 549                     (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
 550         }
 551
 552         /* Reset Timers control registers. per core */
 553         for (core = 0; core < 4; core++)
 554                 for (i = 0; i < 8; i++)
 555                         QLAFX00_SET_HBA_SOC_REG(ha,
 556                             (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
 557
 558         /* Reset per core IRQ ack register */
 559         for (core = 0; core < 4; core++)
 560                 QLAFX00_SET_HBA_SOC_REG(ha,
 561                     (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
 562
 563         /* Set Fabric control and config to defaults */
 564         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
 565         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
 566
 567         spin_lock_irqsave(&ha->hardware_lock, flags);
 568
 569         /* Kick in Fabric units */
 570         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
 571
 572         /* Kick in Core0 to start boot process */
 573         QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
 574
 575         /* Wait 10secs for soft-reset to complete. */
 576         for (cnt = 10; cnt; cnt--) {
 577                 msleep(1000);
 578                 barrier();
 579         }
 580         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 581 }
 582
 583 /**
 584  * qlafx00_soft_reset() - Soft Reset ISPFx00.
 585  * @ha: HA context
 586  *
 587  * Returns 0 on success.
 588  */
 589 void
 590 qlafx00_soft_reset(scsi_qla_host_t *vha)
 591 {
 592         struct qla_hw_data *ha = vha->hw;
 593
 594         if (unlikely(pci_channel_offline(ha->pdev) &&
 595             ha->flags.pci_channel_io_perm_failure))
 596                 return;
 597
 598         ha->isp_ops->disable_intrs(ha);
 599         qlafx00_soc_cpu_reset(vha);
 600         ha->isp_ops->enable_intrs(ha);
 601 }
 602
 603 /**
 604  * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 605  * @ha: HA context
 606  *
 607  * Returns 0 on success.
 608  */
 609 int
 610 qlafx00_chip_diag(scsi_qla_host_t *vha)
 611 {
 612         int rval = 0;
 613         struct qla_hw_data *ha = vha->hw;
 614         struct req_que *req = ha->req_q_map[0];
 615
 616         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 617
 618         rval = qlafx00_mbx_reg_test(vha);
 619         if (rval) {
 620                 ql_log(ql_log_warn, vha, 0x1165,
 621                     "Failed mailbox send register test\n");
 622         } else {
 623                 /* Flag a successful rval */
 624                 rval = QLA_SUCCESS;
 625         }
 626         return rval;
 627 }
 628
 629 void
 630 qlafx00_config_rings(struct scsi_qla_host *vha)
 631 {
 632         struct qla_hw_data *ha = vha->hw;
 633         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 634         struct init_cb_fx *icb;
 635         struct req_que *req = ha->req_q_map[0];
 636         struct rsp_que *rsp = ha->rsp_q_map[0];
 637
 638         /* Setup ring parameters in initialization control block. */
 639         icb = (struct init_cb_fx *)ha->init_cb;
 640         icb->request_q_outpointer = __constant_cpu_to_le16(0);
 641         icb->response_q_inpointer = __constant_cpu_to_le16(0);
 642         icb->request_q_length = cpu_to_le16(req->length);
 643         icb->response_q_length = cpu_to_le16(rsp->length);
 644         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
 645         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
 646         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
 647         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
 648
 649         WRT_REG_DWORD(&reg->req_q_in, 0);
 650         WRT_REG_DWORD(&reg->req_q_out, 0);
 651
 652         WRT_REG_DWORD(&reg->rsp_q_in, 0);
 653         WRT_REG_DWORD(&reg->rsp_q_out, 0);
 654
 655         /* PCI posting */
 656         RD_REG_DWORD(&reg->rsp_q_out);
 657 }
 658
 659 char *
 660 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 661 {
 662         struct qla_hw_data *ha = vha->hw;
 663
 664         if (pci_is_pcie(ha->pdev)) {
 665                 strcpy(str, "PCIe iSA");
 666                 return str;
 667         }
 668         return str;
 669 }
 670
 671 char *
 672 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
 673 {
 674         struct qla_hw_data *ha = vha->hw;
 675
 676         sprintf(str, "%s", ha->mr.fw_version);
 677         return str;
 678 }
 679
 680 void
 681 qlafx00_enable_intrs(struct qla_hw_data *ha)
 682 {
 683         unsigned long flags = 0;
 684
 685         spin_lock_irqsave(&ha->hardware_lock, flags);
 686         ha->interrupts_on = 1;
 687         QLAFX00_ENABLE_ICNTRL_REG(ha);
 688         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 689 }
 690
 691 void
 692 qlafx00_disable_intrs(struct qla_hw_data *ha)
 693 {
 694         unsigned long flags = 0;
 695
 696         spin_lock_irqsave(&ha->hardware_lock, flags);
 697         ha->interrupts_on = 0;
 698         QLAFX00_DISABLE_ICNTRL_REG(ha);
 699         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 700 }
 701
 702 static void
 703 qlafx00_tmf_iocb_timeout(void *data)
 704 {
 705         srb_t *sp = (srb_t *)data;
 706         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 707
 708         tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
 709         complete(&tmf->u.tmf.comp);
 710 }
 711
 712 static void
 713 qlafx00_tmf_sp_done(void *data, void *ptr, int res)
 714 {
 715         srb_t *sp = (srb_t *)ptr;
 716         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 717
 718         complete(&tmf->u.tmf.comp);
 719 }
 720
 721 static int
 722 qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
 723                      uint32_t lun, uint32_t tag)
 724 {
 725         scsi_qla_host_t *vha = fcport->vha;
 726         struct srb_iocb *tm_iocb;
 727         srb_t *sp;
 728         int rval = QLA_FUNCTION_FAILED;
 729
 730         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 731         if (!sp)
 732                 goto done;
 733
 734         tm_iocb = &sp->u.iocb_cmd;
 735         sp->type = SRB_TM_CMD;
 736         sp->name = "tmf";
 737         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 738         tm_iocb->u.tmf.flags = flags;
 739         tm_iocb->u.tmf.lun = lun;
 740         tm_iocb->u.tmf.data = tag;
 741         sp->done = qlafx00_tmf_sp_done;
 742         tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
 743         init_completion(&tm_iocb->u.tmf.comp);
 744
 745         rval = qla2x00_start_sp(sp);
 746         if (rval != QLA_SUCCESS)
 747                 goto done_free_sp;
 748
 749         ql_dbg(ql_dbg_async, vha, 0x507b,
 750             "Task management command issued target_id=%x\n",
 751             fcport->tgt_id);
 752
 753         wait_for_completion(&tm_iocb->u.tmf.comp);
 754
 755         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 756             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 757
 758 done_free_sp:
 759         sp->free(vha, sp);
 760 done:
 761         return rval;
 762 }
 763
 764 int
 765 qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
 766 {
 767         return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 768 }
 769
 770 int
 771 qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
 772 {
 773         return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 774 }
 775
 776 int
 777 qlafx00_loop_reset(scsi_qla_host_t *vha)
 778 {
 779         int ret;
 780         struct fc_port *fcport;
 781         struct qla_hw_data *ha = vha->hw;
 782
 783         if (ql2xtargetreset) {
 784                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
 785                         if (fcport->port_type != FCT_TARGET)
 786                                 continue;
 787
 788                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
 789                         if (ret != QLA_SUCCESS) {
 790                                 ql_dbg(ql_dbg_taskm, vha, 0x803d,
 791                                     "Bus Reset failed: Reset=%d "
 792                                     "d_id=%x.\n", ret, fcport->d_id.b24);
 793                         }
 794                 }
 795         }
 796         return QLA_SUCCESS;
 797 }
 798
 799 int
 800 qlafx00_iospace_config(struct qla_hw_data *ha)
 801 {
 802         if (pci_request_selected_regions(ha->pdev, ha->bars,
 803             QLA2XXX_DRIVER_NAME)) {
 804                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 805                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 806                     pci_name(ha->pdev));
 807                 goto iospace_error_exit;
 808         }
 809
 810         /* Use MMIO operations for all accesses. */
 811         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 812                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 813                     "Invalid pci I/O region size (%s).\n",
 814                     pci_name(ha->pdev));
 815                 goto iospace_error_exit;
 816         }
 817         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 818                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 819                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
 820                         pci_name(ha->pdev));
 821                 goto iospace_error_exit;
 822         }
 823
 824         ha->cregbase =
 825             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 826         if (!ha->cregbase) {
 827                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 828                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 829                 goto iospace_error_exit;
 830         }
 831
 832         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 833                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 834                     "region #2 not an MMIO resource (%s), aborting\n",
 835                     pci_name(ha->pdev));
 836                 goto iospace_error_exit;
 837         }
 838         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 839                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 840                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
 841                         pci_name(ha->pdev));
 842                 goto iospace_error_exit;
 843         }
 844
 845         ha->iobase =
 846             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 847         if (!ha->iobase) {
 848                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 849                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 850                 goto iospace_error_exit;
 851         }
 852
 853         /* Determine queue resources */
 854         ha->max_req_queues = ha->max_rsp_queues = 1;
 855
 856         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 857             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 858             ha->bars, ha->cregbase, ha->iobase);
 859
 860         return 0;
 861
 862 iospace_error_exit:
 863         return -ENOMEM;
 864 }
 865
 866 static void
 867 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 868 {
 869         struct qla_hw_data *ha = vha->hw;
 870         struct req_que *req = ha->req_q_map[0];
 871         struct rsp_que *rsp = ha->rsp_q_map[0];
 872
 873         req->length_fx00 = req->length;
 874         req->ring_fx00 = req->ring;
 875         req->dma_fx00 = req->dma;
 876
 877         rsp->length_fx00 = rsp->length;
 878         rsp->ring_fx00 = rsp->ring;
 879         rsp->dma_fx00 = rsp->dma;
 880
 881         ql_dbg(ql_dbg_init, vha, 0x012d,
 882             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 883             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 884             req->length_fx00, (u64)req->dma_fx00);
 885
 886         ql_dbg(ql_dbg_init, vha, 0x012e,
 887             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 888             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 889             rsp->length_fx00, (u64)rsp->dma_fx00);
 890 }
 891
 892 static int
 893 qlafx00_config_queues(struct scsi_qla_host *vha)
 894 {
 895         struct qla_hw_data *ha = vha->hw;
 896         struct req_que *req = ha->req_q_map[0];
 897         struct rsp_que *rsp = ha->rsp_q_map[0];
 898         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 899
 900         req->length = ha->req_que_len;
 901         req->ring = (void *)ha->iobase + ha->req_que_off;
 902         req->dma = bar2_hdl + ha->req_que_off;
 903         if ((!req->ring) || (req->length == 0)) {
 904                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 905                     "Unable to allocate memory for req_ring\n");
 906                 return QLA_FUNCTION_FAILED;
 907         }
 908
 909         ql_dbg(ql_dbg_init, vha, 0x0130,
 910             "req: %p req_ring pointer %p req len 0x%x "
 911             "req off 0x%x\n, req->dma: 0x%llx",
 912             req, req->ring, req->length,
 913             ha->req_que_off, (u64)req->dma);
 914
 915         rsp->length = ha->rsp_que_len;
 916         rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
 917         rsp->dma = bar2_hdl + ha->rsp_que_off;
 918         if ((!rsp->ring) || (rsp->length == 0)) {
 919                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 920                     "Unable to allocate memory for rsp_ring\n");
 921                 return QLA_FUNCTION_FAILED;
 922         }
 923
 924         ql_dbg(ql_dbg_init, vha, 0x0132,
 925             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 926             "rsp off 0x%x, rsp->dma: 0x%llx\n",
 927             rsp, rsp->ring, rsp->length,
 928             ha->rsp_que_off, (u64)rsp->dma);
 929
 930         return QLA_SUCCESS;
 931 }
 932
 933 static int
 934 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 935 {
 936         int rval = 0;
 937         unsigned long wtime;
 938         uint16_t wait_time;     /* Wait time */
 939         struct qla_hw_data *ha = vha->hw;
 940         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 941         uint32_t aenmbx, aenmbx7 = 0;
 942         uint32_t pseudo_aen;
 943         uint32_t state[5];
 944         bool done = false;
 945
 946         /* 30 seconds wait - Adjust if required */
 947         wait_time = 30;
 948
 949         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 950         if (pseudo_aen == 1) {
 951                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
 952                 ha->mbx_intr_code = MSW(aenmbx7);
 953                 ha->rqstq_intr_code = LSW(aenmbx7);
 954                 rval = qlafx00_driver_shutdown(vha, 10);
 955                 if (rval != QLA_SUCCESS)
 956                         qlafx00_soft_reset(vha);
 957         }
 958
 959         /* wait time before firmware ready */
 960         wtime = jiffies + (wait_time * HZ);
 961         do {
 962                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 963                 barrier();
 964                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
 965                     "aenmbx: 0x%x\n", aenmbx);
 966
 967                 switch (aenmbx) {
 968                 case MBA_FW_NOT_STARTED:
 969                 case MBA_FW_STARTING:
 970                         break;
 971
 972                 case MBA_SYSTEM_ERR:
 973                 case MBA_REQ_TRANSFER_ERR:
 974                 case MBA_RSP_TRANSFER_ERR:
 975                 case MBA_FW_INIT_FAILURE:
 976                         qlafx00_soft_reset(vha);
 977                         break;
 978
 979                 case MBA_FW_RESTART_CMPLT:
 980                         /* Set the mbx and rqstq intr code */
 981                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 982                         ha->mbx_intr_code = MSW(aenmbx7);
 983                         ha->rqstq_intr_code = LSW(aenmbx7);
 984                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 985                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 986                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 987                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 988                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
 989                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 990                         ql_dbg(ql_dbg_init, vha, 0x0134,
 991                             "f/w returned mbx_intr_code: 0x%x, "
 992                             "rqstq_intr_code: 0x%x\n",
 993                             ha->mbx_intr_code, ha->rqstq_intr_code);
 994                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 995                         rval = QLA_SUCCESS;
 996                         done = true;
 997                         break;
 998
 999                 default:
1000                         /* If fw is apparently not ready. In order to continue,
1001                          * we might need to issue Mbox cmd, but the problem is
1002                          * that the DoorBell vector values that come with the
1003                          * 8060 AEN are most likely gone by now (and thus no
1004                          * bell would be rung on the fw side when mbox cmd is
1005                          * issued). We have to therefore grab the 8060 AEN
1006                          * shadow regs (filled in by FW when the last 8060
1007                          * AEN was being posted).
1008                          * Do the following to determine what is needed in
1009                          * order to get the FW ready:
1010                          * 1. reload the 8060 AEN values from the shadow regs
1011                          * 2. clear int status to get rid of possible pending
1012                          *    interrupts
1013                          * 3. issue Get FW State Mbox cmd to determine fw state
1014                          * Set the mbx and rqstq intr code from Shadow Regs
1015                          */
1016                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
1017                         ha->mbx_intr_code = MSW(aenmbx7);
1018                         ha->rqstq_intr_code = LSW(aenmbx7);
1019                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1020                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1021                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1022                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1023                         ql_dbg(ql_dbg_init, vha, 0x0135,
1024                             "f/w returned mbx_intr_code: 0x%x, "
1025                             "rqstq_intr_code: 0x%x\n",
1026                             ha->mbx_intr_code, ha->rqstq_intr_code);
1027                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1028
1029                         /* Get the FW state */
1030                         rval = qlafx00_get_firmware_state(vha, state);
1031                         if (rval != QLA_SUCCESS) {
1032                                 /* Retry if timer has not expired */
1033                                 break;
1034                         }
1035
1036                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1037                                 /* Firmware is waiting to be
1038                                  * initialized by driver
1039                                  */
1040                                 rval = QLA_SUCCESS;
1041                                 done = true;
1042                                 break;
1043                         }
1044
1045                         /* Issue driver shutdown and wait until f/w recovers.
1046                          * Driver should continue to poll until 8060 AEN is
1047                          * received indicating firmware recovery.
1048                          */
1049                         ql_dbg(ql_dbg_init, vha, 0x0136,
1050                             "Sending Driver shutdown fw_state 0x%x\n",
1051                             state[0]);
1052
1053                         rval = qlafx00_driver_shutdown(vha, 10);
1054                         if (rval != QLA_SUCCESS) {
1055                                 rval = QLA_FUNCTION_FAILED;
1056                                 break;
1057                         }
1058                         msleep(500);
1059
1060                         wtime = jiffies + (wait_time * HZ);
1061                         break;
1062                 }
1063
1064                 if (!done) {
1065                         if (time_after_eq(jiffies, wtime)) {
1066                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1067                                     "Init f/w failed: aen[7]: 0x%x\n",
1068                                     RD_REG_DWORD(&reg->aenmailbox7));
1069                                 rval = QLA_FUNCTION_FAILED;
1070                                 done = true;
1071                                 break;
1072                         }
1073                         /* Delay for a while */
1074                         msleep(500);
1075                 }
1076         } while (!done);
1077
1078         if (rval)
1079                 ql_dbg(ql_dbg_init, vha, 0x0138,
1080                     "%s **** FAILED ****.\n", __func__);
1081         else
1082                 ql_dbg(ql_dbg_init, vha, 0x0139,
1083                     "%s **** SUCCESS ****.\n", __func__);
1084
1085         return rval;
1086 }
1087
1088 /*
1089  * qlafx00_fw_ready() - Waits for firmware ready.
1090  * @ha: HA context
1091  *
1092  * Returns 0 on success.
1093  */
1094 int
1095 qlafx00_fw_ready(scsi_qla_host_t *vha)
1096 {
1097         int             rval;
1098         unsigned long   wtime;
1099         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1100         uint32_t        state[5];
1101
1102         rval = QLA_SUCCESS;
1103
1104         wait_time = 10;
1105
1106         /* wait time before firmware ready */
1107         wtime = jiffies + (wait_time * HZ);
1108
1109         /* Wait for ISP to finish init */
1110         if (!vha->flags.init_done)
1111                 ql_dbg(ql_dbg_init, vha, 0x013a,
1112                     "Waiting for init to complete...\n");
1113
1114         do {
1115                 rval = qlafx00_get_firmware_state(vha, state);
1116
1117                 if (rval == QLA_SUCCESS) {
1118                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1119                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1120                                     "fw_state=%x\n", state[0]);
1121                                 rval = QLA_SUCCESS;
1122                                         break;
1123                         }
1124                 }
1125                 rval = QLA_FUNCTION_FAILED;
1126
1127                 if (time_after_eq(jiffies, wtime))
1128                         break;
1129
1130                 /* Delay for a while */
1131                 msleep(500);
1132
1133                 ql_dbg(ql_dbg_init, vha, 0x013c,
1134                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1135         } while (1);
1136
1137
1138         if (rval)
1139                 ql_dbg(ql_dbg_init, vha, 0x013d,
1140                     "Firmware ready **** FAILED ****.\n");
1141         else
1142                 ql_dbg(ql_dbg_init, vha, 0x013e,
1143                     "Firmware ready **** SUCCESS ****.\n");
1144
1145         return rval;
1146 }
1147
1148 static int
1149 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1150         struct list_head *new_fcports)
1151 {
1152         int             rval;
1153         uint16_t        tgt_id;
1154         fc_port_t       *fcport, *new_fcport;
1155         int             found;
1156         struct qla_hw_data *ha = vha->hw;
1157
1158         rval = QLA_SUCCESS;
1159
1160         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1161                 return QLA_FUNCTION_FAILED;
1162
1163         if ((atomic_read(&vha->loop_down_timer) ||
1164              STATE_TRANSITION(vha))) {
1165                 atomic_set(&vha->loop_down_timer, 0);
1166                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1167                 return QLA_FUNCTION_FAILED;
1168         }
1169
1170         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1171             "Listing Target bit map...\n");
1172         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1173             0x2089, (uint8_t *)ha->gid_list, 32);
1174
1175         /* Allocate temporary rmtport for any new rmtports discovered. */
1176         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1177         if (new_fcport == NULL)
1178                 return QLA_MEMORY_ALLOC_FAILED;
1179
1180         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1181             QLAFX00_TGT_NODE_LIST_SIZE) {
1182
1183                 /* Send get target node info */
1184                 new_fcport->tgt_id = tgt_id;
1185                 rval = qlafx00_fx_disc(vha, new_fcport,
1186                     FXDISC_GET_TGT_NODE_INFO);
1187                 if (rval != QLA_SUCCESS) {
1188                         ql_log(ql_log_warn, vha, 0x208a,
1189                             "Target info scan failed -- assuming zero-entry "
1190                             "result...\n");
1191                         continue;
1192                 }
1193
1194                 /* Locate matching device in database. */
1195                 found = 0;
1196                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1197                         if (memcmp(new_fcport->port_name,
1198                             fcport->port_name, WWN_SIZE))
1199                                 continue;
1200
1201                         found++;
1202
1203                         /*
1204                          * If tgt_id is same and state FCS_ONLINE, nothing
1205                          * changed.
1206                          */
1207                         if (fcport->tgt_id == new_fcport->tgt_id &&
1208                             atomic_read(&fcport->state) == FCS_ONLINE)
1209                                 break;
1210
1211                         /*
1212                          * Tgt ID changed or device was marked to be updated.
1213                          */
1214                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1215                             "TGT-ID Change(%s): Present tgt id: "
1216                             "0x%x state: 0x%x "
1217                             "wwnn = %llx wwpn = %llx.\n",
1218                             __func__, fcport->tgt_id,
1219                             atomic_read(&fcport->state),
1220                             (unsigned long long)wwn_to_u64(fcport->node_name),
1221                             (unsigned long long)wwn_to_u64(fcport->port_name));
1222
1223                         ql_log(ql_log_info, vha, 0x208c,
1224                             "TGT-ID Announce(%s): Discovered tgt "
1225                             "id 0x%x wwnn = %llx "
1226                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1227                             (unsigned long long)
1228                             wwn_to_u64(new_fcport->node_name),
1229                             (unsigned long long)
1230                             wwn_to_u64(new_fcport->port_name));
1231
1232                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1233                                 fcport->old_tgt_id = fcport->tgt_id;
1234                                 fcport->tgt_id = new_fcport->tgt_id;
1235                                 ql_log(ql_log_info, vha, 0x208d,
1236                                    "TGT-ID: New fcport Added: %p\n", fcport);
1237                                 qla2x00_update_fcport(vha, fcport);
1238                         } else {
1239                                 ql_log(ql_log_info, vha, 0x208e,
1240                                     " Existing TGT-ID %x did not get "
1241                                     " offline event from firmware.\n",
1242                                     fcport->old_tgt_id);
1243                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1244                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1245                                 kfree(new_fcport);
1246                                 return rval;
1247                         }
1248                         break;
1249                 }
1250
1251                 if (found)
1252                         continue;
1253
1254                 /* If device was not in our fcports list, then add it. */
1255                 list_add_tail(&new_fcport->list, new_fcports);
1256
1257                 /* Allocate a new replacement fcport. */
1258                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1259                 if (new_fcport == NULL)
1260                         return QLA_MEMORY_ALLOC_FAILED;
1261         }
1262
1263         kfree(new_fcport);
1264         return rval;
1265 }
1266
1267 /*
1268  * qlafx00_configure_all_targets
1269  *      Setup target devices with node ID's.
1270  *
1271  * Input:
1272  *      ha = adapter block pointer.
1273  *
1274  * Returns:
1275  *      0 = success.
1276  *      BIT_0 = error
1277  */
1278 static int
1279 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1280 {
1281         int rval;
1282         fc_port_t *fcport, *rmptemp;
1283         LIST_HEAD(new_fcports);
1284
1285         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1286             FXDISC_GET_TGT_NODE_LIST);
1287         if (rval != QLA_SUCCESS) {
1288                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1289                 return rval;
1290         }
1291
1292         rval = qlafx00_find_all_targets(vha, &new_fcports);
1293         if (rval != QLA_SUCCESS) {
1294                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1295                 return rval;
1296         }
1297
1298         /*
1299          * Delete all previous devices marked lost.
1300          */
1301         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1302                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1303                         break;
1304
1305                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1306                         if (fcport->port_type != FCT_INITIATOR)
1307                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1308                 }
1309         }
1310
1311         /*
1312          * Add the new devices to our devices list.
1313          */
1314         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1315                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1316                         break;
1317
1318                 qla2x00_update_fcport(vha, fcport);
1319                 list_move_tail(&fcport->list, &vha->vp_fcports);
1320                 ql_log(ql_log_info, vha, 0x208f,
1321                     "Attach new target id 0x%x wwnn = %llx "
1322                     "wwpn = %llx.\n",
1323                     fcport->tgt_id,
1324                     (unsigned long long)wwn_to_u64(fcport->node_name),
1325                     (unsigned long long)wwn_to_u64(fcport->port_name));
1326         }
1327
1328         /* Free all new device structures not processed. */
1329         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1330                 list_del(&fcport->list);
1331                 kfree(fcport);
1332         }
1333
1334         return rval;
1335 }
1336
1337 /*
1338  * qlafx00_configure_devices
1339  *      Updates Fibre Channel Device Database with what is actually on loop.
1340  *
1341  * Input:
1342  *      ha                = adapter block pointer.
1343  *
1344  * Returns:
1345  *      0 = success.
1346  *      1 = error.
1347  *      2 = database was full and device was not configured.
1348  */
1349 int
1350 qlafx00_configure_devices(scsi_qla_host_t *vha)
1351 {
1352         int  rval;
1353         unsigned long flags, save_flags;
1354         rval = QLA_SUCCESS;
1355
1356         save_flags = flags = vha->dpc_flags;
1357
1358         ql_dbg(ql_dbg_disc, vha, 0x2090,
1359             "Configure devices -- dpc flags =0x%lx\n", flags);
1360
1361         rval = qlafx00_configure_all_targets(vha);
1362
1363         if (rval == QLA_SUCCESS) {
1364                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1365                         rval = QLA_FUNCTION_FAILED;
1366                 } else {
1367                         atomic_set(&vha->loop_state, LOOP_READY);
1368                         ql_log(ql_log_info, vha, 0x2091,
1369                             "Device Ready\n");
1370                 }
1371         }
1372
1373         if (rval) {
1374                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1375                     "%s *** FAILED ***.\n", __func__);
1376         } else {
1377                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1378                     "%s: exiting normally.\n", __func__);
1379         }
1380         return rval;
1381 }
1382
1383 static void
1384 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1385 {
1386         struct qla_hw_data *ha = vha->hw;
1387         fc_port_t *fcport;
1388
1389         vha->flags.online = 0;
1390         ha->mr.fw_hbt_en = 0;
1391
1392         if (!critemp) {
1393                 ha->flags.chip_reset_done = 0;
1394                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1395                 vha->qla_stats.total_isp_aborts++;
1396                 ql_log(ql_log_info, vha, 0x013f,
1397                     "Performing ISP error recovery - ha = %p.\n", ha);
1398                 ha->isp_ops->reset_chip(vha);
1399         }
1400
1401         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1402                 atomic_set(&vha->loop_state, LOOP_DOWN);
1403                 atomic_set(&vha->loop_down_timer,
1404                     QLAFX00_LOOP_DOWN_TIME);
1405         } else {
1406                 if (!atomic_read(&vha->loop_down_timer))
1407                         atomic_set(&vha->loop_down_timer,
1408                             QLAFX00_LOOP_DOWN_TIME);
1409         }
1410
1411         /* Clear all async request states across all VPs. */
1412         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1413                 fcport->flags = 0;
1414                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1415                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1416         }
1417
1418         if (!ha->flags.eeh_busy) {
1419                 if (critemp) {
1420                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1421                 } else {
1422                         /* Requeue all commands in outstanding command list. */
1423                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1424                 }
1425         }
1426
1427         qla2x00_free_irqs(vha);
1428         if (critemp)
1429                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1430         else
1431                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1432
1433         /* Clear the Interrupts */
1434         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1435
1436         ql_log(ql_log_info, vha, 0x0140,
1437             "%s Done done - ha=%p.\n", __func__, ha);
1438 }
1439
1440 /**
1441  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1442  * @ha: HA context
1443  *
1444  * Beginning of request ring has initialization control block already built
1445  * by nvram config routine.
1446  *
1447  * Returns 0 on success.
1448  */
1449 void
1450 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1451 {
1452         uint16_t cnt;
1453         response_t *pkt;
1454
1455         rsp->ring_ptr = rsp->ring;
1456         rsp->ring_index    = 0;
1457         rsp->status_srb = NULL;
1458         pkt = rsp->ring_ptr;
1459         for (cnt = 0; cnt < rsp->length; cnt++) {
1460                 pkt->signature = RESPONSE_PROCESSED;
1461                 WRT_REG_DWORD((void __iomem *)&pkt->signature,
1462                     RESPONSE_PROCESSED);
1463                 pkt++;
1464         }
1465 }
1466
1467 int
1468 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1469 {
1470         uint32_t status = QLA_FUNCTION_FAILED;
1471         struct qla_hw_data *ha = vha->hw;
1472         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1473         uint32_t aenmbx7;
1474
1475         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1476
1477         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1478         ha->mbx_intr_code = MSW(aenmbx7);
1479         ha->rqstq_intr_code = LSW(aenmbx7);
1480         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1481         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1482         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1483         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1484
1485         ql_dbg(ql_dbg_disc, vha, 0x2094,
1486             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1487             " Req que offset 0x%x Rsp que offset 0x%x\n",
1488             ha->mbx_intr_code, ha->rqstq_intr_code,
1489             ha->req_que_off, ha->rsp_que_len);
1490
1491         /* Clear the Interrupts */
1492         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1493
1494         status = qla2x00_init_rings(vha);
1495         if (!status) {
1496                 vha->flags.online = 1;
1497
1498                 /* if no cable then assume it's good */
1499                 if ((vha->device_flags & DFLG_NO_CABLE))
1500                         status = 0;
1501                 /* Register system information */
1502                 if (qlafx00_fx_disc(vha,
1503                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1504                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1505                             "failed to register host info\n");
1506         }
1507         scsi_unblock_requests(vha->host);
1508         return status;
1509 }
1510
1511 void
1512 qlafx00_timer_routine(scsi_qla_host_t *vha)
1513 {
1514         struct qla_hw_data *ha = vha->hw;
1515         uint32_t fw_heart_beat;
1516         uint32_t aenmbx0;
1517         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1518         uint32_t tempc;
1519
1520         /* Check firmware health */
1521         if (ha->mr.fw_hbt_cnt)
1522                 ha->mr.fw_hbt_cnt--;
1523         else {
1524                 if ((!ha->flags.mr_reset_hdlr_active) &&
1525                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1526                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1527                     (ha->mr.fw_hbt_en)) {
1528                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1529                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1530                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1531                                 ha->mr.fw_hbt_miss_cnt = 0;
1532                         } else {
1533                                 ha->mr.fw_hbt_miss_cnt++;
1534                                 if (ha->mr.fw_hbt_miss_cnt ==
1535                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1536                                         set_bit(ISP_ABORT_NEEDED,
1537                                             &vha->dpc_flags);
1538                                         qla2xxx_wake_dpc(vha);
1539                                         ha->mr.fw_hbt_miss_cnt = 0;
1540                                 }
1541                         }
1542                 }
1543                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1544         }
1545
1546         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1547                 /* Reset recovery to be performed in timer routine */
1548                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1549                 if (ha->mr.fw_reset_timer_exp) {
1550                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1551                         qla2xxx_wake_dpc(vha);
1552                         ha->mr.fw_reset_timer_exp = 0;
1553                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1554                         /* Wake up DPC to rescan the targets */
1555                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1556                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1557                         qla2xxx_wake_dpc(vha);
1558                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1559                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1560                     (!ha->mr.fw_hbt_en)) {
1561                         ha->mr.fw_hbt_en = 1;
1562                 } else if (!ha->mr.fw_reset_timer_tick) {
1563                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1564                                 ha->mr.fw_reset_timer_exp = 1;
1565                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1566                 } else if (aenmbx0 == 0xFFFFFFFF) {
1567                         uint32_t data0, data1;
1568
1569                         data0 = QLAFX00_RD_REG(ha,
1570                             QLAFX00_BAR1_BASE_ADDR_REG);
1571                         data1 = QLAFX00_RD_REG(ha,
1572                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1573
1574                         data0 &= 0xffff0000;
1575                         data1 &= 0x0000ffff;
1576
1577                         QLAFX00_WR_REG(ha,
1578                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1579                             (data0 | data1));
1580                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1581                         ha->mr.fw_reset_timer_tick =
1582                             QLAFX00_MAX_RESET_INTERVAL;
1583                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1584                         ha->mr.fw_reset_timer_tick =
1585                             QLAFX00_MAX_RESET_INTERVAL;
1586                 }
1587                 ha->mr.old_aenmbx0_state = aenmbx0;
1588                 ha->mr.fw_reset_timer_tick--;
1589         }
1590         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1591                 /*
1592                  * Critical temperature recovery to be
1593                  * performed in timer routine
1594                  */
1595                 if (ha->mr.fw_critemp_timer_tick == 0) {
1596                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1597                         ql_dbg(ql_dbg_timer, vha, 0x6012,
1598                             "ISPFx00(%s): Critical temp timer, "
1599                             "current SOC temperature: %d\n",
1600                             __func__, tempc);
1601                         if (tempc < ha->mr.critical_temperature) {
1602                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1603                                 clear_bit(FX00_CRITEMP_RECOVERY,
1604                                     &vha->dpc_flags);
1605                                 qla2xxx_wake_dpc(vha);
1606                         }
1607                         ha->mr.fw_critemp_timer_tick =
1608                             QLAFX00_CRITEMP_INTERVAL;
1609                 } else {
1610                         ha->mr.fw_critemp_timer_tick--;
1611                 }
1612         }
1613         if (ha->mr.host_info_resend) {
1614                 /*
1615                  * Incomplete host info might be sent to firmware
1616                  * durinng system boot - info should be resend
1617                  */
1618                 if (ha->mr.hinfo_resend_timer_tick == 0) {
1619                         ha->mr.host_info_resend = false;
1620                         set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1621                         ha->mr.hinfo_resend_timer_tick =
1622                             QLAFX00_HINFO_RESEND_INTERVAL;
1623                         qla2xxx_wake_dpc(vha);
1624                 } else {
1625                         ha->mr.hinfo_resend_timer_tick--;
1626                 }
1627         }
1628
1629 }
1630
1631 /*
1632  *  qlfx00a_reset_initialize
1633  *      Re-initialize after a iSA device reset.
1634  *
1635  * Input:
1636  *      ha  = adapter block pointer.
1637  *
1638  * Returns:
1639  *      0 = success
1640  */
1641 int
1642 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1643 {
1644         struct qla_hw_data *ha = vha->hw;
1645
1646         if (vha->device_flags & DFLG_DEV_FAILED) {
1647                 ql_dbg(ql_dbg_init, vha, 0x0142,
1648                     "Device in failed state\n");
1649                 return QLA_SUCCESS;
1650         }
1651
1652         ha->flags.mr_reset_hdlr_active = 1;
1653
1654         if (vha->flags.online) {
1655                 scsi_block_requests(vha->host);
1656                 qlafx00_abort_isp_cleanup(vha, false);
1657         }
1658
1659         ql_log(ql_log_info, vha, 0x0143,
1660             "(%s): succeeded.\n", __func__);
1661         ha->flags.mr_reset_hdlr_active = 0;
1662         return QLA_SUCCESS;
1663 }
1664
1665 /*
1666  *  qlafx00_abort_isp
1667  *      Resets ISP and aborts all outstanding commands.
1668  *
1669  * Input:
1670  *      ha  = adapter block pointer.
1671  *
1672  * Returns:
1673  *      0 = success
1674  */
1675 int
1676 qlafx00_abort_isp(scsi_qla_host_t *vha)
1677 {
1678         struct qla_hw_data *ha = vha->hw;
1679
1680         if (vha->flags.online) {
1681                 if (unlikely(pci_channel_offline(ha->pdev) &&
1682                     ha->flags.pci_channel_io_perm_failure)) {
1683                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1684                         return QLA_SUCCESS;
1685                 }
1686
1687                 scsi_block_requests(vha->host);
1688                 qlafx00_abort_isp_cleanup(vha, false);
1689         } else {
1690                 scsi_block_requests(vha->host);
1691                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1692                 vha->qla_stats.total_isp_aborts++;
1693                 ha->isp_ops->reset_chip(vha);
1694                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1695                 /* Clear the Interrupts */
1696                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1697         }
1698
1699         ql_log(ql_log_info, vha, 0x0145,
1700             "(%s): succeeded.\n", __func__);
1701
1702         return QLA_SUCCESS;
1703 }
1704
1705 static inline fc_port_t*
1706 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1707 {
1708         fc_port_t       *fcport;
1709
1710         /* Check for matching device in remote port list. */
1711         fcport = NULL;
1712         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1713                 if (fcport->tgt_id == tgt_id) {
1714                         ql_dbg(ql_dbg_async, vha, 0x5072,
1715                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1716                             "and Remote TGT_ID: 0x%x\n",
1717                             fcport, fcport->tgt_id, tgt_id);
1718                         break;
1719                 }
1720         }
1721         return fcport;
1722 }
1723
1724 static void
1725 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1726 {
1727         fc_port_t       *fcport;
1728
1729         ql_log(ql_log_info, vha, 0x5073,
1730             "Detach TGT-ID: 0x%x\n", tgt_id);
1731
1732         fcport = qlafx00_get_fcport(vha, tgt_id);
1733         if (!fcport)
1734                 return;
1735
1736         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1737
1738         return;
1739 }
1740
1741 int
1742 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1743 {
1744         int rval = 0;
1745         uint32_t aen_code, aen_data;
1746
1747         aen_code = FCH_EVT_VENDOR_UNIQUE;
1748         aen_data = evt->u.aenfx.evtcode;
1749
1750         switch (evt->u.aenfx.evtcode) {
1751         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1752                 if (evt->u.aenfx.mbx[1] == 0) {
1753                         if (evt->u.aenfx.mbx[2] == 1) {
1754                                 if (!vha->flags.fw_tgt_reported)
1755                                         vha->flags.fw_tgt_reported = 1;
1756                                 atomic_set(&vha->loop_down_timer, 0);
1757                                 atomic_set(&vha->loop_state, LOOP_UP);
1758                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1759                                 qla2xxx_wake_dpc(vha);
1760                         } else if (evt->u.aenfx.mbx[2] == 2) {
1761                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1762                         }
1763                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1764                         if (evt->u.aenfx.mbx[2] == 1) {
1765                                 if (!vha->flags.fw_tgt_reported)
1766                                         vha->flags.fw_tgt_reported = 1;
1767                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1768                         } else if (evt->u.aenfx.mbx[2] == 2) {
1769                                 vha->device_flags |= DFLG_NO_CABLE;
1770                                 qla2x00_mark_all_devices_lost(vha, 1);
1771                         }
1772                 }
1773                 break;
1774         case QLAFX00_MBA_LINK_UP:
1775                 aen_code = FCH_EVT_LINKUP;
1776                 aen_data = 0;
1777                 break;
1778         case QLAFX00_MBA_LINK_DOWN:
1779                 aen_code = FCH_EVT_LINKDOWN;
1780                 aen_data = 0;
1781                 break;
1782         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1783                 ql_log(ql_log_info, vha, 0x5082,
1784                     "Process critical temperature event "
1785                     "aenmb[0]: %x\n",
1786                     evt->u.aenfx.evtcode);
1787                 scsi_block_requests(vha->host);
1788                 qlafx00_abort_isp_cleanup(vha, true);
1789                 scsi_unblock_requests(vha->host);
1790                 break;
1791         }
1792
1793         fc_host_post_event(vha->host, fc_get_event_number(),
1794             aen_code, aen_data);
1795
1796         return rval;
1797 }
1798
1799 static void
1800 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1801 {
1802         u64 port_name = 0, node_name = 0;
1803
1804         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1805         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1806
1807         fc_host_node_name(vha->host) = node_name;
1808         fc_host_port_name(vha->host) = port_name;
1809         if (!pinfo->port_type)
1810                 vha->hw->current_topology = ISP_CFG_F;
1811         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1812                 atomic_set(&vha->loop_state, LOOP_READY);
1813         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1814                 atomic_set(&vha->loop_state, LOOP_DOWN);
1815         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1816 }
1817
1818 static void
1819 qla2x00_fxdisc_iocb_timeout(void *data)
1820 {
1821         srb_t *sp = (srb_t *)data;
1822         struct srb_iocb *lio = &sp->u.iocb_cmd;
1823
1824         complete(&lio->u.fxiocb.fxiocb_comp);
1825 }
1826
1827 static void
1828 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1829 {
1830         srb_t *sp = (srb_t *)ptr;
1831         struct srb_iocb *lio = &sp->u.iocb_cmd;
1832
1833         complete(&lio->u.fxiocb.fxiocb_comp);
1834 }
1835
1836 int
1837 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1838 {
1839         srb_t *sp;
1840         struct srb_iocb *fdisc;
1841         int rval = QLA_FUNCTION_FAILED;
1842         struct qla_hw_data *ha = vha->hw;
1843         struct host_system_info *phost_info;
1844         struct register_host_info *preg_hsi;
1845         struct new_utsname *p_sysid = NULL;
1846         struct timeval tv;
1847
1848         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1849         if (!sp)
1850                 goto done;
1851
1852         fdisc = &sp->u.iocb_cmd;
1853         switch (fx_type) {
1854         case FXDISC_GET_CONFIG_INFO:
1855         fdisc->u.fxiocb.flags =
1856                     SRB_FXDISC_RESP_DMA_VALID;
1857                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1858                 break;
1859         case FXDISC_GET_PORT_INFO:
1860                 fdisc->u.fxiocb.flags =
1861                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1862                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1863                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1864                 break;
1865         case FXDISC_GET_TGT_NODE_INFO:
1866                 fdisc->u.fxiocb.flags =
1867                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1868                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1869                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1870                 break;
1871         case FXDISC_GET_TGT_NODE_LIST:
1872                 fdisc->u.fxiocb.flags =
1873                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1874                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1875                 break;
1876         case FXDISC_REG_HOST_INFO:
1877                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1878                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1879                 p_sysid = utsname();
1880                 if (!p_sysid) {
1881                         ql_log(ql_log_warn, vha, 0x303c,
1882                             "Not able to get the system information\n");
1883                         goto done_free_sp;
1884                 }
1885                 break;
1886         case FXDISC_ABORT_IOCTL:
1887         default:
1888                 break;
1889         }
1890
1891         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1892                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1893                     fdisc->u.fxiocb.req_len,
1894                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1895                 if (!fdisc->u.fxiocb.req_addr)
1896                         goto done_free_sp;
1897
1898                 if (fx_type == FXDISC_REG_HOST_INFO) {
1899                         preg_hsi = (struct register_host_info *)
1900                                 fdisc->u.fxiocb.req_addr;
1901                         phost_info = &preg_hsi->hsi;
1902                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1903                         phost_info->os_type = OS_TYPE_LINUX;
1904                         strncpy(phost_info->sysname,
1905                             p_sysid->sysname, SYSNAME_LENGTH);
1906                         strncpy(phost_info->nodename,
1907                             p_sysid->nodename, NODENAME_LENGTH);
1908                         if (!strcmp(phost_info->nodename, "(none)"))
1909                                 ha->mr.host_info_resend = true;
1910                         strncpy(phost_info->release,
1911                             p_sysid->release, RELEASE_LENGTH);
1912                         strncpy(phost_info->version,
1913                             p_sysid->version, VERSION_LENGTH);
1914                         strncpy(phost_info->machine,
1915                             p_sysid->machine, MACHINE_LENGTH);
1916                         strncpy(phost_info->domainname,
1917                             p_sysid->domainname, DOMNAME_LENGTH);
1918                         strncpy(phost_info->hostdriver,
1919                             QLA2XXX_VERSION, VERSION_LENGTH);
1920                         do_gettimeofday(&tv);
1921                         preg_hsi->utc = (uint64_t)tv.tv_sec;
1922                         ql_dbg(ql_dbg_init, vha, 0x0149,
1923                             "ISP%04X: Host registration with firmware\n",
1924                             ha->pdev->device);
1925                         ql_dbg(ql_dbg_init, vha, 0x014a,
1926                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1927                             phost_info->os_type,
1928                             phost_info->sysname,
1929                             phost_info->nodename);
1930                         ql_dbg(ql_dbg_init, vha, 0x014b,
1931                             "release = '%s', version = '%s'\n",
1932                             phost_info->release,
1933                             phost_info->version);
1934                         ql_dbg(ql_dbg_init, vha, 0x014c,
1935                             "machine = '%s' "
1936                             "domainname = '%s', hostdriver = '%s'\n",
1937                             phost_info->machine,
1938                             phost_info->domainname,
1939                             phost_info->hostdriver);
1940                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1941                             (uint8_t *)phost_info,
1942                             sizeof(struct host_system_info));
1943                 }
1944         }
1945
1946         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1947                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1948                     fdisc->u.fxiocb.rsp_len,
1949                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1950                 if (!fdisc->u.fxiocb.rsp_addr)
1951                         goto done_unmap_req;
1952         }
1953
1954         sp->type = SRB_FXIOCB_DCMD;
1955         sp->name = "fxdisc";
1956         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1957         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1958         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1959         sp->done = qla2x00_fxdisc_sp_done;
1960
1961         rval = qla2x00_start_sp(sp);
1962         if (rval != QLA_SUCCESS)
1963                 goto done_unmap_dma;
1964
1965         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1966
1967         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1968                 struct config_info_data *pinfo =
1969                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1970                 strcpy(vha->hw->model_number, pinfo->model_num);
1971                 strcpy(vha->hw->model_desc, pinfo->model_description);
1972                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1973                     sizeof(vha->hw->mr.symbolic_name));
1974                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1975                     sizeof(vha->hw->mr.serial_num));
1976                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1977                     sizeof(vha->hw->mr.hw_version));
1978                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1979                     sizeof(vha->hw->mr.fw_version));
1980                 strim(vha->hw->mr.fw_version);
1981                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1982                     sizeof(vha->hw->mr.uboot_version));
1983                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1984                     sizeof(vha->hw->mr.fru_serial_num));
1985                 vha->hw->mr.critical_temperature =
1986                     (pinfo->nominal_temp_value) ?
1987                     pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1988                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1989                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1990         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1991                 struct port_info_data *pinfo =
1992                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1993                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1994                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1995                 vha->d_id.b.domain = pinfo->port_id[0];
1996                 vha->d_id.b.area = pinfo->port_id[1];
1997                 vha->d_id.b.al_pa = pinfo->port_id[2];
1998                 qlafx00_update_host_attr(vha, pinfo);
1999                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
2000                     (uint8_t *)pinfo, 16);
2001         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
2002                 struct qlafx00_tgt_node_info *pinfo =
2003                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
2004                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
2005                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
2006                 fcport->port_type = FCT_TARGET;
2007                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
2008                     (uint8_t *)pinfo, 16);
2009         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
2010                 struct qlafx00_tgt_node_info *pinfo =
2011                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
2012                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
2013                     (uint8_t *)pinfo, 16);
2014                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
2015         } else if (fx_type == FXDISC_ABORT_IOCTL)
2016                 fdisc->u.fxiocb.result =
2017                     (fdisc->u.fxiocb.result == cpu_to_le32(0x68)) ?
2018                     cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
2019
2020         rval = le32_to_cpu(fdisc->u.fxiocb.result);
2021
2022 done_unmap_dma:
2023         if (fdisc->u.fxiocb.rsp_addr)
2024                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2025                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2026
2027 done_unmap_req:
2028         if (fdisc->u.fxiocb.req_addr)
2029                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2030                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2031 done_free_sp:
2032         sp->free(vha, sp);
2033 done:
2034         return rval;
2035 }
2036
2037 static void
2038 qlafx00_abort_iocb_timeout(void *data)
2039 {
2040         srb_t *sp = (srb_t *)data;
2041         struct srb_iocb *abt = &sp->u.iocb_cmd;
2042
2043         abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2044         complete(&abt->u.abt.comp);
2045 }
2046
2047 static void
2048 qlafx00_abort_sp_done(void *data, void *ptr, int res)
2049 {
2050         srb_t *sp = (srb_t *)ptr;
2051         struct srb_iocb *abt = &sp->u.iocb_cmd;
2052
2053         complete(&abt->u.abt.comp);
2054 }
2055
2056 static int
2057 qlafx00_async_abt_cmd(srb_t *cmd_sp)
2058 {
2059         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2060         fc_port_t *fcport = cmd_sp->fcport;
2061         struct srb_iocb *abt_iocb;
2062         srb_t *sp;
2063         int rval = QLA_FUNCTION_FAILED;
2064
2065         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2066         if (!sp)
2067                 goto done;
2068
2069         abt_iocb = &sp->u.iocb_cmd;
2070         sp->type = SRB_ABT_CMD;
2071         sp->name = "abort";
2072         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2073         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2074         sp->done = qlafx00_abort_sp_done;
2075         abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2076         init_completion(&abt_iocb->u.abt.comp);
2077
2078         rval = qla2x00_start_sp(sp);
2079         if (rval != QLA_SUCCESS)
2080                 goto done_free_sp;
2081
2082         ql_dbg(ql_dbg_async, vha, 0x507c,
2083             "Abort command issued - hdl=%x, target_id=%x\n",
2084             cmd_sp->handle, fcport->tgt_id);
2085
2086         wait_for_completion(&abt_iocb->u.abt.comp);
2087
2088         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2089             QLA_SUCCESS : QLA_FUNCTION_FAILED;
2090
2091 done_free_sp:
2092         sp->free(vha, sp);
2093 done:
2094         return rval;
2095 }
2096
2097 int
2098 qlafx00_abort_command(srb_t *sp)
2099 {
2100         unsigned long   flags = 0;
2101
2102         uint32_t        handle;
2103         fc_port_t       *fcport = sp->fcport;
2104         struct scsi_qla_host *vha = fcport->vha;
2105         struct qla_hw_data *ha = vha->hw;
2106         struct req_que *req = vha->req;
2107
2108         spin_lock_irqsave(&ha->hardware_lock, flags);
2109         for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2110                 if (req->outstanding_cmds[handle] == sp)
2111                         break;
2112         }
2113         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2114         if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2115                 /* Command not found. */
2116                 return QLA_FUNCTION_FAILED;
2117         }
2118         if (sp->type == SRB_FXIOCB_DCMD)
2119                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2120                     FXDISC_ABORT_IOCTL);
2121
2122         return qlafx00_async_abt_cmd(sp);
2123 }
2124
2125 /*
2126  * qlafx00_initialize_adapter
2127  *      Initialize board.
2128  *
2129  * Input:
2130  *      ha = adapter block pointer.
2131  *
2132  * Returns:
2133  *      0 = success
2134  */
2135 int
2136 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2137 {
2138         int     rval;
2139         struct qla_hw_data *ha = vha->hw;
2140         uint32_t tempc;
2141
2142         /* Clear adapter flags. */
2143         vha->flags.online = 0;
2144         ha->flags.chip_reset_done = 0;
2145         vha->flags.reset_active = 0;
2146         ha->flags.pci_channel_io_perm_failure = 0;
2147         ha->flags.eeh_busy = 0;
2148         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2149         atomic_set(&vha->loop_state, LOOP_DOWN);
2150         vha->device_flags = DFLG_NO_CABLE;
2151         vha->dpc_flags = 0;
2152         vha->flags.management_server_logged_in = 0;
2153         vha->marker_needed = 0;
2154         ha->isp_abort_cnt = 0;
2155         ha->beacon_blink_led = 0;
2156
2157         set_bit(0, ha->req_qid_map);
2158         set_bit(0, ha->rsp_qid_map);
2159
2160         ql_dbg(ql_dbg_init, vha, 0x0147,
2161             "Configuring PCI space...\n");
2162
2163         rval = ha->isp_ops->pci_config(vha);
2164         if (rval) {
2165                 ql_log(ql_log_warn, vha, 0x0148,
2166                     "Unable to configure PCI space.\n");
2167                 return rval;
2168         }
2169
2170         rval = qlafx00_init_fw_ready(vha);
2171         if (rval != QLA_SUCCESS)
2172                 return rval;
2173
2174         qlafx00_save_queue_ptrs(vha);
2175
2176         rval = qlafx00_config_queues(vha);
2177         if (rval != QLA_SUCCESS)
2178                 return rval;
2179
2180         /*
2181          * Allocate the array of outstanding commands
2182          * now that we know the firmware resources.
2183          */
2184         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2185         if (rval != QLA_SUCCESS)
2186                 return rval;
2187
2188         rval = qla2x00_init_rings(vha);
2189         ha->flags.chip_reset_done = 1;
2190
2191         tempc = QLAFX00_GET_TEMPERATURE(ha);
2192         ql_dbg(ql_dbg_init, vha, 0x0152,
2193             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2194             __func__, tempc);
2195
2196         return rval;
2197 }
2198
2199 uint32_t
2200 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2201                       char *buf)
2202 {
2203         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2204         int rval = QLA_FUNCTION_FAILED;
2205         uint32_t state[1];
2206
2207         if (qla2x00_reset_active(vha))
2208                 ql_log(ql_log_warn, vha, 0x70ce,
2209                     "ISP reset active.\n");
2210         else if (!vha->hw->flags.eeh_busy) {
2211                 rval = qlafx00_get_firmware_state(vha, state);
2212         }
2213         if (rval != QLA_SUCCESS)
2214                 memset(state, -1, sizeof(state));
2215
2216         return state[0];
2217 }
2218
2219 void
2220 qlafx00_get_host_speed(struct Scsi_Host *shost)
2221 {
2222         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2223                                         (shost_priv(shost)))->hw;
2224         u32 speed = FC_PORTSPEED_UNKNOWN;
2225
2226         switch (ha->link_data_rate) {
2227         case QLAFX00_PORT_SPEED_2G:
2228                 speed = FC_PORTSPEED_2GBIT;
2229                 break;
2230         case QLAFX00_PORT_SPEED_4G:
2231                 speed = FC_PORTSPEED_4GBIT;
2232                 break;
2233         case QLAFX00_PORT_SPEED_8G:
2234                 speed = FC_PORTSPEED_8GBIT;
2235                 break;
2236         case QLAFX00_PORT_SPEED_10G:
2237                 speed = FC_PORTSPEED_10GBIT;
2238                 break;
2239         }
2240         fc_host_speed(shost) = speed;
2241 }
2242
2243 /** QLAFX00 specific ISR implementation functions */
2244
2245 static inline void
2246 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2247                      uint32_t sense_len, struct rsp_que *rsp, int res)
2248 {
2249         struct scsi_qla_host *vha = sp->fcport->vha;
2250         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2251         uint32_t track_sense_len;
2252
2253         SET_FW_SENSE_LEN(sp, sense_len);
2254
2255         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2256                 sense_len = SCSI_SENSE_BUFFERSIZE;
2257
2258         SET_CMD_SENSE_LEN(sp, sense_len);
2259         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2260         track_sense_len = sense_len;
2261
2262         if (sense_len > par_sense_len)
2263                 sense_len = par_sense_len;
2264
2265         memcpy(cp->sense_buffer, sense_data, sense_len);
2266
2267         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2268
2269         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2270         track_sense_len -= sense_len;
2271         SET_CMD_SENSE_LEN(sp, track_sense_len);
2272
2273         ql_dbg(ql_dbg_io, vha, 0x304d,
2274             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2275             sense_len, par_sense_len, track_sense_len);
2276         if (GET_FW_SENSE_LEN(sp) > 0) {
2277                 rsp->status_srb = sp;
2278                 cp->result = res;
2279         }
2280
2281         if (sense_len) {
2282                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2283                     "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2284                     sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2285                     cp);
2286                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2287                     cp->sense_buffer, sense_len);
2288         }
2289 }
2290
2291 static void
2292 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2293                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2294                       __le16 sstatus, __le16 cpstatus)
2295 {
2296         struct srb_iocb *tmf;
2297
2298         tmf = &sp->u.iocb_cmd;
2299         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2300             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2301                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2302         tmf->u.tmf.comp_status = cpstatus;
2303         sp->done(vha, sp, 0);
2304 }
2305
2306 static void
2307 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2308                          struct abort_iocb_entry_fx00 *pkt)
2309 {
2310         const char func[] = "ABT_IOCB";
2311         srb_t *sp;
2312         struct srb_iocb *abt;
2313
2314         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2315         if (!sp)
2316                 return;
2317
2318         abt = &sp->u.iocb_cmd;
2319         abt->u.abt.comp_status = pkt->tgt_id_sts;
2320         sp->done(vha, sp, 0);
2321 }
2322
2323 static void
2324 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2325                          struct ioctl_iocb_entry_fx00 *pkt)
2326 {
2327         const char func[] = "IOSB_IOCB";
2328         srb_t *sp;
2329         struct fc_bsg_job *bsg_job;
2330         struct srb_iocb *iocb_job;
2331         int res;
2332         struct qla_mt_iocb_rsp_fx00 fstatus;
2333         uint8_t *fw_sts_ptr;
2334
2335         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2336         if (!sp)
2337                 return;
2338
2339         if (sp->type == SRB_FXIOCB_DCMD) {
2340                 iocb_job = &sp->u.iocb_cmd;
2341                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2342                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2343                 iocb_job->u.fxiocb.result = pkt->status;
2344                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2345                         iocb_job->u.fxiocb.req_data =
2346                             pkt->dataword_r;
2347         } else {
2348                 bsg_job = sp->u.bsg_job;
2349
2350                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2351
2352                 fstatus.reserved_1 = pkt->reserved_0;
2353                 fstatus.func_type = pkt->comp_func_num;
2354                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2355                 fstatus.ioctl_data = pkt->dataword_r;
2356                 fstatus.adapid = pkt->adapid;
2357                 fstatus.adapid_hi = pkt->adapid_hi;
2358                 fstatus.reserved_2 = pkt->reserved_1;
2359                 fstatus.res_count = pkt->residuallen;
2360                 fstatus.status = pkt->status;
2361                 fstatus.seq_number = pkt->seq_no;
2362                 memcpy(fstatus.reserved_3,
2363                     pkt->reserved_2, 20 * sizeof(uint8_t));
2364
2365                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2366                     sizeof(struct fc_bsg_reply);
2367
2368                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2369                     sizeof(struct qla_mt_iocb_rsp_fx00));
2370                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2371                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2372
2373                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2374                     sp->fcport->vha, 0x5080,
2375                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2376
2377                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2378                     sp->fcport->vha, 0x5074,
2379                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2380
2381                 res = bsg_job->reply->result = DID_OK << 16;
2382                 bsg_job->reply->reply_payload_rcv_len =
2383                     bsg_job->reply_payload.payload_len;
2384         }
2385         sp->done(vha, sp, res);
2386 }
2387
2388 /**
2389  * qlafx00_status_entry() - Process a Status IOCB entry.
2390  * @ha: SCSI driver HA context
2391  * @pkt: Entry pointer
2392  */
2393 static void
2394 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2395 {
2396         srb_t           *sp;
2397         fc_port_t       *fcport;
2398         struct scsi_cmnd *cp;
2399         struct sts_entry_fx00 *sts;
2400         __le16          comp_status;
2401         __le16          scsi_status;
2402         uint16_t        ox_id;
2403         __le16          lscsi_status;
2404         int32_t         resid;
2405         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2406             fw_resid_len;
2407         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2408         struct qla_hw_data *ha = vha->hw;
2409         uint32_t hindex, handle;
2410         uint16_t que;
2411         struct req_que *req;
2412         int logit = 1;
2413         int res = 0;
2414
2415         sts = (struct sts_entry_fx00 *) pkt;
2416
2417         comp_status = sts->comp_status;
2418         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2419         hindex = sts->handle;
2420         handle = LSW(hindex);
2421
2422         que = MSW(hindex);
2423         req = ha->req_q_map[que];
2424
2425         /* Validate handle. */
2426         if (handle < req->num_outstanding_cmds)
2427                 sp = req->outstanding_cmds[handle];
2428         else
2429                 sp = NULL;
2430
2431         if (sp == NULL) {
2432                 ql_dbg(ql_dbg_io, vha, 0x3034,
2433                     "Invalid status handle (0x%x).\n", handle);
2434
2435                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2436                 qla2xxx_wake_dpc(vha);
2437                 return;
2438         }
2439
2440         if (sp->type == SRB_TM_CMD) {
2441                 req->outstanding_cmds[handle] = NULL;
2442                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2443                     scsi_status, comp_status);
2444                 return;
2445         }
2446
2447         /* Fast path completion. */
2448         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2449                 qla2x00_process_completed_request(vha, req, handle);
2450                 return;
2451         }
2452
2453         req->outstanding_cmds[handle] = NULL;
2454         cp = GET_CMD_SP(sp);
2455         if (cp == NULL) {
2456                 ql_dbg(ql_dbg_io, vha, 0x3048,
2457                     "Command already returned (0x%x/%p).\n",
2458                     handle, sp);
2459
2460                 return;
2461         }
2462
2463         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2464
2465         fcport = sp->fcport;
2466
2467         ox_id = 0;
2468         sense_len = par_sense_len = rsp_info_len = resid_len =
2469                 fw_resid_len = 0;
2470         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2471                 sense_len = sts->sense_len;
2472         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2473             | (uint16_t)SS_RESIDUAL_OVER)))
2474                 resid_len = le32_to_cpu(sts->residual_len);
2475         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2476                 fw_resid_len = le32_to_cpu(sts->residual_len);
2477         rsp_info = sense_data = sts->data;
2478         par_sense_len = sizeof(sts->data);
2479
2480         /* Check for overrun. */
2481         if (comp_status == CS_COMPLETE &&
2482             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2483                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2484
2485         /*
2486          * Based on Host and scsi status generate status code for Linux
2487          */
2488         switch (le16_to_cpu(comp_status)) {
2489         case CS_COMPLETE:
2490         case CS_QUEUE_FULL:
2491                 if (scsi_status == 0) {
2492                         res = DID_OK << 16;
2493                         break;
2494                 }
2495                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2496                     | (uint16_t)SS_RESIDUAL_OVER))) {
2497                         resid = resid_len;
2498                         scsi_set_resid(cp, resid);
2499
2500                         if (!lscsi_status &&
2501                             ((unsigned)(scsi_bufflen(cp) - resid) <
2502                              cp->underflow)) {
2503                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2504                                     "Mid-layer underflow "
2505                                     "detected (0x%x of 0x%x bytes).\n",
2506                                     resid, scsi_bufflen(cp));
2507
2508                                 res = DID_ERROR << 16;
2509                                 break;
2510                         }
2511                 }
2512                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2513
2514                 if (lscsi_status ==
2515                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2516                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2517                             "QUEUE FULL detected.\n");
2518                         break;
2519                 }
2520                 logit = 0;
2521                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2522                         break;
2523
2524                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2525                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2526                         break;
2527
2528                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2529                     rsp, res);
2530                 break;
2531
2532         case CS_DATA_UNDERRUN:
2533                 /* Use F/W calculated residual length. */
2534                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2535                         resid = fw_resid_len;
2536                 else
2537                         resid = resid_len;
2538                 scsi_set_resid(cp, resid);
2539                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2540                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2541                             && fw_resid_len != resid_len) {
2542                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2543                                     "Dropped frame(s) detected "
2544                                     "(0x%x of 0x%x bytes).\n",
2545                                     resid, scsi_bufflen(cp));
2546
2547                                 res = DID_ERROR << 16 |
2548                                     le16_to_cpu(lscsi_status);
2549                                 goto check_scsi_status;
2550                         }
2551
2552                         if (!lscsi_status &&
2553                             ((unsigned)(scsi_bufflen(cp) - resid) <
2554                             cp->underflow)) {
2555                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2556                                     "Mid-layer underflow "
2557                                     "detected (0x%x of 0x%x bytes, "
2558                                     "cp->underflow: 0x%x).\n",
2559                                     resid, scsi_bufflen(cp), cp->underflow);
2560
2561                                 res = DID_ERROR << 16;
2562                                 break;
2563                         }
2564                 } else if (lscsi_status !=
2565                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2566                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2567                         /*
2568                          * scsi status of task set and busy are considered
2569                          * to be task not completed.
2570                          */
2571
2572                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2573                             "Dropped frame(s) detected (0x%x "
2574                             "of 0x%x bytes).\n", resid,
2575                             scsi_bufflen(cp));
2576
2577                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2578                         goto check_scsi_status;
2579                 } else {
2580                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2581                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2582                             scsi_status, lscsi_status);
2583                 }
2584
2585                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2586                 logit = 0;
2587
2588 check_scsi_status:
2589                 /*
2590                  * Check to see if SCSI Status is non zero. If so report SCSI
2591                  * Status.
2592                  */
2593                 if (lscsi_status != 0) {
2594                         if (lscsi_status ==
2595                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2596                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2597                                     "QUEUE FULL detected.\n");
2598                                 logit = 1;
2599                                 break;
2600                         }
2601                         if (lscsi_status !=
2602                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2603                                 break;
2604
2605                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2606                         if (!(scsi_status &
2607                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2608                                 break;
2609
2610                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2611                             sense_len, rsp, res);
2612                 }
2613                 break;
2614
2615         case CS_PORT_LOGGED_OUT:
2616         case CS_PORT_CONFIG_CHG:
2617         case CS_PORT_BUSY:
2618         case CS_INCOMPLETE:
2619         case CS_PORT_UNAVAILABLE:
2620         case CS_TIMEOUT:
2621         case CS_RESET:
2622
2623                 /*
2624                  * We are going to have the fc class block the rport
2625                  * while we try to recover so instruct the mid layer
2626                  * to requeue until the class decides how to handle this.
2627                  */
2628                 res = DID_TRANSPORT_DISRUPTED << 16;
2629
2630                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2631                     "Port down status: port-state=0x%x.\n",
2632                     atomic_read(&fcport->state));
2633
2634                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2635                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2636                 break;
2637
2638         case CS_ABORTED:
2639                 res = DID_RESET << 16;
2640                 break;
2641
2642         default:
2643                 res = DID_ERROR << 16;
2644                 break;
2645         }
2646
2647         if (logit)
2648                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2649                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2650                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2651                     "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2652                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2653                     comp_status, scsi_status, res, vha->host_no,
2654                     cp->device->id, cp->device->lun, fcport->tgt_id,
2655                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2656                     rsp_info_len, resid_len, fw_resid_len, sense_len,
2657                     par_sense_len, rsp_info_len);
2658
2659         if (rsp->status_srb == NULL)
2660                 sp->done(ha, sp, res);
2661 }
2662
2663 /**
2664  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2665  * @ha: SCSI driver HA context
2666  * @pkt: Entry pointer
2667  *
2668  * Extended sense data.
2669  */
2670 static void
2671 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2672 {
2673         uint8_t sense_sz = 0;
2674         struct qla_hw_data *ha = rsp->hw;
2675         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2676         srb_t *sp = rsp->status_srb;
2677         struct scsi_cmnd *cp;
2678         uint32_t sense_len;
2679         uint8_t *sense_ptr;
2680
2681         if (!sp) {
2682                 ql_dbg(ql_dbg_io, vha, 0x3037,
2683                     "no SP, sp = %p\n", sp);
2684                 return;
2685         }
2686
2687         if (!GET_FW_SENSE_LEN(sp)) {
2688                 ql_dbg(ql_dbg_io, vha, 0x304b,
2689                     "no fw sense data, sp = %p\n", sp);
2690                 return;
2691         }
2692         cp = GET_CMD_SP(sp);
2693         if (cp == NULL) {
2694                 ql_log(ql_log_warn, vha, 0x303b,
2695                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2696
2697                 rsp->status_srb = NULL;
2698                 return;
2699         }
2700
2701         if (!GET_CMD_SENSE_LEN(sp)) {
2702                 ql_dbg(ql_dbg_io, vha, 0x304c,
2703                     "no sense data, sp = %p\n", sp);
2704         } else {
2705                 sense_len = GET_CMD_SENSE_LEN(sp);
2706                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2707                 ql_dbg(ql_dbg_io, vha, 0x304f,
2708                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2709                     sp, sense_len, sense_ptr);
2710
2711                 if (sense_len > sizeof(pkt->data))
2712                         sense_sz = sizeof(pkt->data);
2713                 else
2714                         sense_sz = sense_len;
2715
2716                 /* Move sense data. */
2717                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2718                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2719                 memcpy(sense_ptr, pkt->data, sense_sz);
2720                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2721                     sense_ptr, sense_sz);
2722
2723                 sense_len -= sense_sz;
2724                 sense_ptr += sense_sz;
2725
2726                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2727                 SET_CMD_SENSE_LEN(sp, sense_len);
2728         }
2729         sense_len = GET_FW_SENSE_LEN(sp);
2730         sense_len = (sense_len > sizeof(pkt->data)) ?
2731             (sense_len - sizeof(pkt->data)) : 0;
2732         SET_FW_SENSE_LEN(sp, sense_len);
2733
2734         /* Place command on done queue. */
2735         if (sense_len == 0) {
2736                 rsp->status_srb = NULL;
2737                 sp->done(ha, sp, cp->result);
2738         }
2739 }
2740
2741 /**
2742  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2743  * @ha: SCSI driver HA context
2744  */
2745 static void
2746 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2747         struct rsp_que *rsp, void *pkt)
2748 {
2749         srb_t           *sp;
2750         struct multi_sts_entry_fx00 *stsmfx;
2751         struct qla_hw_data *ha = vha->hw;
2752         uint32_t handle, hindex, handle_count, i;
2753         uint16_t que;
2754         struct req_que *req;
2755         __le32 *handle_ptr;
2756
2757         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2758
2759         handle_count = stsmfx->handle_count;
2760
2761         if (handle_count > MAX_HANDLE_COUNT) {
2762                 ql_dbg(ql_dbg_io, vha, 0x3035,
2763                     "Invalid handle count (0x%x).\n", handle_count);
2764                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2765                 qla2xxx_wake_dpc(vha);
2766                 return;
2767         }
2768
2769         handle_ptr =  &stsmfx->handles[0];
2770
2771         for (i = 0; i < handle_count; i++) {
2772                 hindex = le32_to_cpu(*handle_ptr);
2773                 handle = LSW(hindex);
2774                 que = MSW(hindex);
2775                 req = ha->req_q_map[que];
2776
2777                 /* Validate handle. */
2778                 if (handle < req->num_outstanding_cmds)
2779                         sp = req->outstanding_cmds[handle];
2780                 else
2781                         sp = NULL;
2782
2783                 if (sp == NULL) {
2784                         ql_dbg(ql_dbg_io, vha, 0x3044,
2785                             "Invalid status handle (0x%x).\n", handle);
2786                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2787                         qla2xxx_wake_dpc(vha);
2788                         return;
2789                 }
2790                 qla2x00_process_completed_request(vha, req, handle);
2791                 handle_ptr++;
2792         }
2793 }
2794
2795 /**
2796  * qlafx00_error_entry() - Process an error entry.
2797  * @ha: SCSI driver HA context
2798  * @pkt: Entry pointer
2799  */
2800 static void
2801 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2802                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2803 {
2804         srb_t *sp;
2805         struct qla_hw_data *ha = vha->hw;
2806         const char func[] = "ERROR-IOCB";
2807         uint16_t que = MSW(pkt->handle);
2808         struct req_que *req = NULL;
2809         int res = DID_ERROR << 16;
2810
2811         ql_dbg(ql_dbg_async, vha, 0x507f,
2812             "type of error status in response: 0x%x\n", estatus);
2813
2814         req = ha->req_q_map[que];
2815
2816         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2817         if (sp) {
2818                 sp->done(ha, sp, res);
2819                 return;
2820         }
2821
2822         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2823         qla2xxx_wake_dpc(vha);
2824 }
2825
2826 /**
2827  * qlafx00_process_response_queue() - Process response queue entries.
2828  * @ha: SCSI driver HA context
2829  */
2830 static void
2831 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2832         struct rsp_que *rsp)
2833 {
2834         struct sts_entry_fx00 *pkt;
2835         response_t *lptr;
2836
2837         while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2838             RESPONSE_PROCESSED) {
2839                 lptr = rsp->ring_ptr;
2840                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2841                     sizeof(rsp->rsp_pkt));
2842                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2843
2844                 rsp->ring_index++;
2845                 if (rsp->ring_index == rsp->length) {
2846                         rsp->ring_index = 0;
2847                         rsp->ring_ptr = rsp->ring;
2848                 } else {
2849                         rsp->ring_ptr++;
2850                 }
2851
2852                 if (pkt->entry_status != 0 &&
2853                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2854                         qlafx00_error_entry(vha, rsp,
2855                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2856                             pkt->entry_type);
2857                         goto next_iter;
2858                         continue;
2859                 }
2860
2861                 switch (pkt->entry_type) {
2862                 case STATUS_TYPE_FX00:
2863                         qlafx00_status_entry(vha, rsp, pkt);
2864                         break;
2865
2866                 case STATUS_CONT_TYPE_FX00:
2867                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2868                         break;
2869
2870                 case MULTI_STATUS_TYPE_FX00:
2871                         qlafx00_multistatus_entry(vha, rsp, pkt);
2872                         break;
2873
2874                 case ABORT_IOCB_TYPE_FX00:
2875                         qlafx00_abort_iocb_entry(vha, rsp->req,
2876                            (struct abort_iocb_entry_fx00 *)pkt);
2877                         break;
2878
2879                 case IOCTL_IOSB_TYPE_FX00:
2880                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2881                             (struct ioctl_iocb_entry_fx00 *)pkt);
2882                         break;
2883                 default:
2884                         /* Type Not Supported. */
2885                         ql_dbg(ql_dbg_async, vha, 0x5081,
2886                             "Received unknown response pkt type %x "
2887                             "entry status=%x.\n",
2888                             pkt->entry_type, pkt->entry_status);
2889                         break;
2890                 }
2891 next_iter:
2892                 WRT_REG_DWORD((void __iomem *)&lptr->signature,
2893                     RESPONSE_PROCESSED);
2894                 wmb();
2895         }
2896
2897         /* Adjust ring index */
2898         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2899 }
2900
2901 /**
2902  * qlafx00_async_event() - Process aynchronous events.
2903  * @ha: SCSI driver HA context
2904  */
2905 static void
2906 qlafx00_async_event(scsi_qla_host_t *vha)
2907 {
2908         struct qla_hw_data *ha = vha->hw;
2909         struct device_reg_fx00 __iomem *reg;
2910         int data_size = 1;
2911
2912         reg = &ha->iobase->ispfx00;
2913         /* Setup to process RIO completion. */
2914         switch (ha->aenmb[0]) {
2915         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2916                 ql_log(ql_log_warn, vha, 0x5079,
2917                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2918                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2919                 break;
2920
2921         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2922                 ql_dbg(ql_dbg_async, vha, 0x5076,
2923                     "Asynchronous FW shutdown requested.\n");
2924                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2925                 qla2xxx_wake_dpc(vha);
2926                 break;
2927
2928         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2929                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2930                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2931                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2932                 ql_dbg(ql_dbg_async, vha, 0x5077,
2933                     "Asynchronous port Update received "
2934                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2935                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2936                 data_size = 4;
2937                 break;
2938
2939         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2940                 ql_log(ql_log_info, vha, 0x5085,
2941                     "Asynchronous over temperature event received "
2942                     "aenmb[0]: %x\n",
2943                     ha->aenmb[0]);
2944                 break;
2945
2946         case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2947                 ql_log(ql_log_info, vha, 0x5086,
2948                     "Asynchronous normal temperature event received "
2949                     "aenmb[0]: %x\n",
2950                     ha->aenmb[0]);
2951                 break;
2952
2953         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2954                 ql_log(ql_log_info, vha, 0x5083,
2955                     "Asynchronous critical temperature event received "
2956                     "aenmb[0]: %x\n",
2957                 ha->aenmb[0]);
2958                 break;
2959
2960         default:
2961                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2962                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2963                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2964                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2965                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2966                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2967                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2968                 ql_dbg(ql_dbg_async, vha, 0x5078,
2969                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2970                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2971                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2972                 break;
2973         }
2974         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2975             (uint32_t *)ha->aenmb, data_size);
2976 }
2977
2978 /**
2979  *
2980  * qlafx00x_mbx_completion() - Process mailbox command completions.
2981  * @ha: SCSI driver HA context
2982  * @mb16: Mailbox16 register
2983  */
2984 static void
2985 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2986 {
2987         uint16_t        cnt;
2988         uint16_t __iomem *wptr;
2989         struct qla_hw_data *ha = vha->hw;
2990         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2991
2992         if (!ha->mcp32)
2993                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2994
2995         /* Load return mailbox registers. */
2996         ha->flags.mbox_int = 1;
2997         ha->mailbox_out32[0] = mb0;
2998         wptr = (uint16_t __iomem *)&reg->mailbox17;
2999
3000         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
3001                 ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
3002                 wptr++;
3003         }
3004 }
3005
3006 /**
3007  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
3008  * @irq:
3009  * @dev_id: SCSI driver HA context
3010  *
3011  * Called by system whenever the host adapter generates an interrupt.
3012  *
3013  * Returns handled flag.
3014  */
3015 irqreturn_t
3016 qlafx00_intr_handler(int irq, void *dev_id)
3017 {
3018         scsi_qla_host_t *vha;
3019         struct qla_hw_data *ha;
3020         struct device_reg_fx00 __iomem *reg;
3021         int             status;
3022         unsigned long   iter;
3023         uint32_t        stat;
3024         uint32_t        mb[8];
3025         struct rsp_que *rsp;
3026         unsigned long   flags;
3027         uint32_t clr_intr = 0;
3028
3029         rsp = (struct rsp_que *) dev_id;
3030         if (!rsp) {
3031                 ql_log(ql_log_info, NULL, 0x507d,
3032                     "%s: NULL response queue pointer.\n", __func__);
3033                 return IRQ_NONE;
3034         }
3035
3036         ha = rsp->hw;
3037         reg = &ha->iobase->ispfx00;
3038         status = 0;
3039
3040         if (unlikely(pci_channel_offline(ha->pdev)))
3041                 return IRQ_HANDLED;
3042
3043         spin_lock_irqsave(&ha->hardware_lock, flags);
3044         vha = pci_get_drvdata(ha->pdev);
3045         for (iter = 50; iter--; clr_intr = 0) {
3046                 stat = QLAFX00_RD_INTR_REG(ha);
3047                 if (qla2x00_check_reg_for_disconnect(vha, stat))
3048                         break;
3049                 if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3050                         break;
3051
3052                 switch (stat & QLAFX00_HST_INT_STS_BITS) {
3053                 case QLAFX00_INTR_MB_CMPLT:
3054                 case QLAFX00_INTR_MB_RSP_CMPLT:
3055                 case QLAFX00_INTR_MB_ASYNC_CMPLT:
3056                 case QLAFX00_INTR_ALL_CMPLT:
3057                         mb[0] = RD_REG_WORD(&reg->mailbox16);
3058                         qlafx00_mbx_completion(vha, mb[0]);
3059                         status |= MBX_INTERRUPT;
3060                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
3061                         break;
3062                 case QLAFX00_INTR_ASYNC_CMPLT:
3063                 case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3064                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3065                         qlafx00_async_event(vha);
3066                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3067                         break;
3068                 case QLAFX00_INTR_RSP_CMPLT:
3069                         qlafx00_process_response_queue(vha, rsp);
3070                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3071                         break;
3072                 default:
3073                         ql_dbg(ql_dbg_async, vha, 0x507a,
3074                             "Unrecognized interrupt type (%d).\n", stat);
3075                         break;
3076                 }
3077                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
3078                 QLAFX00_RD_INTR_REG(ha);
3079         }
3080
3081         qla2x00_handle_mbx_completion(ha, status);
3082         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3083
3084         return IRQ_HANDLED;
3085 }
3086
3087 /** QLAFX00 specific IOCB implementation functions */
3088
3089 static inline cont_a64_entry_t *
3090 qlafx00_prep_cont_type1_iocb(struct req_que *req,
3091                              cont_a64_entry_t *lcont_pkt)
3092 {
3093         cont_a64_entry_t *cont_pkt;
3094
3095         /* Adjust ring index. */
3096         req->ring_index++;
3097         if (req->ring_index == req->length) {
3098                 req->ring_index = 0;
3099                 req->ring_ptr = req->ring;
3100         } else {
3101                 req->ring_ptr++;
3102         }
3103
3104         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3105
3106         /* Load packet defaults. */
3107         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3108
3109         return cont_pkt;
3110 }
3111
3112 static inline void
3113 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3114                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3115 {
3116         uint16_t        avail_dsds;
3117         __le32 *cur_dsd;
3118         scsi_qla_host_t *vha;
3119         struct scsi_cmnd *cmd;
3120         struct scatterlist *sg;
3121         int i, cont;
3122         struct req_que *req;
3123         cont_a64_entry_t lcont_pkt;
3124         cont_a64_entry_t *cont_pkt;
3125
3126         vha = sp->fcport->vha;
3127         req = vha->req;
3128
3129         cmd = GET_CMD_SP(sp);
3130         cont = 0;
3131         cont_pkt = NULL;
3132
3133         /* Update entry type to indicate Command Type 3 IOCB */
3134         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3135
3136         /* No data transfer */
3137         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3138                 lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3139                 return;
3140         }
3141
3142         /* Set transfer direction */
3143         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3144                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3145                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3146         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3147                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3148                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3149         }
3150
3151         /* One DSD is available in the Command Type 3 IOCB */
3152         avail_dsds = 1;
3153         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3154
3155         /* Load data segments */
3156         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3157                 dma_addr_t      sle_dma;
3158
3159                 /* Allocate additional continuation packets? */
3160                 if (avail_dsds == 0) {
3161                         /*
3162                          * Five DSDs are available in the Continuation
3163                          * Type 1 IOCB.
3164                          */
3165                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3166                         cont_pkt =
3167                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3168                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3169                         avail_dsds = 5;
3170                         cont = 1;
3171                 }
3172
3173                 sle_dma = sg_dma_address(sg);
3174                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3175                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3176                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3177                 avail_dsds--;
3178                 if (avail_dsds == 0 && cont == 1) {
3179                         cont = 0;
3180                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3181                             REQUEST_ENTRY_SIZE);
3182                 }
3183
3184         }
3185         if (avail_dsds != 0 && cont == 1) {
3186                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3187                     REQUEST_ENTRY_SIZE);
3188         }
3189 }
3190
3191 /**
3192  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3193  * @sp: command to send to the ISP
3194  *
3195  * Returns non-zero if a failure occurred, else zero.
3196  */
3197 int
3198 qlafx00_start_scsi(srb_t *sp)
3199 {
3200         int             ret, nseg;
3201         unsigned long   flags;
3202         uint32_t        index;
3203         uint32_t        handle;
3204         uint16_t        cnt;
3205         uint16_t        req_cnt;
3206         uint16_t        tot_dsds;
3207         struct req_que *req = NULL;
3208         struct rsp_que *rsp = NULL;
3209         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3210         struct scsi_qla_host *vha = sp->fcport->vha;
3211         struct qla_hw_data *ha = vha->hw;
3212         struct cmd_type_7_fx00 *cmd_pkt;
3213         struct cmd_type_7_fx00 lcmd_pkt;
3214         struct scsi_lun llun;
3215         char            tag[2];
3216
3217         /* Setup device pointers. */
3218         ret = 0;
3219
3220         rsp = ha->rsp_q_map[0];
3221         req = vha->req;
3222
3223         /* So we know we haven't pci_map'ed anything yet */
3224         tot_dsds = 0;
3225
3226         /* Forcing marker needed for now */
3227         vha->marker_needed = 0;
3228
3229         /* Send marker if required */
3230         if (vha->marker_needed != 0) {
3231                 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3232                     QLA_SUCCESS)
3233                         return QLA_FUNCTION_FAILED;
3234                 vha->marker_needed = 0;
3235         }
3236
3237         /* Acquire ring specific lock */
3238         spin_lock_irqsave(&ha->hardware_lock, flags);
3239
3240         /* Check for room in outstanding command list. */
3241         handle = req->current_outstanding_cmd;
3242         for (index = 1; index < req->num_outstanding_cmds; index++) {
3243                 handle++;
3244                 if (handle == req->num_outstanding_cmds)
3245                         handle = 1;
3246                 if (!req->outstanding_cmds[handle])
3247                         break;
3248         }
3249         if (index == req->num_outstanding_cmds)
3250                 goto queuing_error;
3251
3252         /* Map the sg table so we have an accurate count of sg entries needed */
3253         if (scsi_sg_count(cmd)) {
3254                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3255                     scsi_sg_count(cmd), cmd->sc_data_direction);
3256                 if (unlikely(!nseg))
3257                         goto queuing_error;
3258         } else
3259                 nseg = 0;
3260
3261         tot_dsds = nseg;
3262         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3263         if (req->cnt < (req_cnt + 2)) {
3264                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3265
3266                 if (req->ring_index < cnt)
3267                         req->cnt = cnt - req->ring_index;
3268                 else
3269                         req->cnt = req->length -
3270                                 (req->ring_index - cnt);
3271                 if (req->cnt < (req_cnt + 2))
3272                         goto queuing_error;
3273         }
3274
3275         /* Build command packet. */
3276         req->current_outstanding_cmd = handle;
3277         req->outstanding_cmds[handle] = sp;
3278         sp->handle = handle;
3279         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3280         req->cnt -= req_cnt;
3281
3282         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3283
3284         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3285
3286         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3287         lcmd_pkt.handle_hi = 0;
3288         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3289         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3290
3291         int_to_scsilun(cmd->device->lun, &llun);
3292         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3293             sizeof(lcmd_pkt.lun));
3294
3295         /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3296         if (scsi_populate_tag_msg(cmd, tag)) {
3297                 switch (tag[0]) {
3298                 case HEAD_OF_QUEUE_TAG:
3299                         lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3300                         break;
3301                 case ORDERED_QUEUE_TAG:
3302                         lcmd_pkt.task = TSK_ORDERED;
3303                         break;
3304                 }
3305         }
3306
3307         /* Load SCSI command packet. */
3308         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3309         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3310
3311         /* Build IOCB segments */
3312         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3313
3314         /* Set total data segment count. */
3315         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3316
3317         /* Specify response queue number where completion should happen */
3318         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3319
3320         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3321             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3322         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3323             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3324
3325         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3326         wmb();
3327
3328         /* Adjust ring index. */
3329         req->ring_index++;
3330         if (req->ring_index == req->length) {
3331                 req->ring_index = 0;
3332                 req->ring_ptr = req->ring;
3333         } else
3334                 req->ring_ptr++;
3335
3336         sp->flags |= SRB_DMA_VALID;
3337
3338         /* Set chip new ring index. */
3339         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3340         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3341
3342         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3343         return QLA_SUCCESS;
3344
3345 queuing_error:
3346         if (tot_dsds)
3347                 scsi_dma_unmap(cmd);
3348
3349         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3350
3351         return QLA_FUNCTION_FAILED;
3352 }
3353
3354 void
3355 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3356 {
3357         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3358         scsi_qla_host_t *vha = sp->fcport->vha;
3359         struct req_que *req = vha->req;
3360         struct tsk_mgmt_entry_fx00 tm_iocb;
3361         struct scsi_lun llun;
3362
3363         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3364         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3365         tm_iocb.entry_count = 1;
3366         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3367         tm_iocb.handle_hi = 0;
3368         tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3369         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3370         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3371         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3372                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3373                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3374                     sizeof(struct scsi_lun));
3375         }
3376
3377         memcpy((void *)ptm_iocb, &tm_iocb,
3378             sizeof(struct tsk_mgmt_entry_fx00));
3379         wmb();
3380 }
3381
3382 void
3383 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3384 {
3385         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3386         scsi_qla_host_t *vha = sp->fcport->vha;
3387         struct req_que *req = vha->req;
3388         struct abort_iocb_entry_fx00 abt_iocb;
3389
3390         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3391         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3392         abt_iocb.entry_count = 1;
3393         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3394         abt_iocb.abort_handle =
3395             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3396         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3397         abt_iocb.req_que_no = cpu_to_le16(req->id);
3398
3399         memcpy((void *)pabt_iocb, &abt_iocb,
3400             sizeof(struct abort_iocb_entry_fx00));
3401         wmb();
3402 }
3403
3404 void
3405 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3406 {
3407         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3408         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3409         struct fc_bsg_job *bsg_job;
3410         struct fxdisc_entry_fx00 fx_iocb;
3411         uint8_t entry_cnt = 1;
3412
3413         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3414         fx_iocb.entry_type = FX00_IOCB_TYPE;
3415         fx_iocb.handle = cpu_to_le32(sp->handle);
3416         fx_iocb.entry_count = entry_cnt;
3417
3418         if (sp->type == SRB_FXIOCB_DCMD) {
3419                 fx_iocb.func_num =
3420                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3421                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3422                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3423                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3424                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3425                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3426
3427                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3428                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3429                         fx_iocb.req_xfrcnt =
3430                             cpu_to_le16(fxio->u.fxiocb.req_len);
3431                         fx_iocb.dseg_rq_address[0] =
3432                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3433                         fx_iocb.dseg_rq_address[1] =
3434                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3435                         fx_iocb.dseg_rq_len =
3436                             cpu_to_le32(fxio->u.fxiocb.req_len);
3437                 }
3438
3439                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3440                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3441                         fx_iocb.rsp_xfrcnt =
3442                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3443                         fx_iocb.dseg_rsp_address[0] =
3444                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3445                         fx_iocb.dseg_rsp_address[1] =
3446                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3447                         fx_iocb.dseg_rsp_len =
3448                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3449                 }
3450
3451                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3452                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3453                 }
3454                 fx_iocb.flags = fxio->u.fxiocb.flags;
3455         } else {
3456                 struct scatterlist *sg;
3457                 bsg_job = sp->u.bsg_job;
3458                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3459                         &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3460
3461                 fx_iocb.func_num = piocb_rqst->func_type;
3462                 fx_iocb.adapid = piocb_rqst->adapid;
3463                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3464                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3465                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3466                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3467                 fx_iocb.dataword = piocb_rqst->dataword;
3468                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3469                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3470
3471                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3472                         int avail_dsds, tot_dsds;
3473                         cont_a64_entry_t lcont_pkt;
3474                         cont_a64_entry_t *cont_pkt = NULL;
3475                         __le32 *cur_dsd;
3476                         int index = 0, cont = 0;
3477
3478                         fx_iocb.req_dsdcnt =
3479                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3480                         tot_dsds =
3481                             bsg_job->request_payload.sg_cnt;
3482                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3483                         avail_dsds = 1;
3484                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3485                             tot_dsds, index) {
3486                                 dma_addr_t sle_dma;
3487
3488                                 /* Allocate additional continuation packets? */
3489                                 if (avail_dsds == 0) {
3490                                         /*
3491                                          * Five DSDs are available in the Cont.
3492                                          * Type 1 IOCB.
3493                                          */
3494                                         memset(&lcont_pkt, 0,
3495                                             REQUEST_ENTRY_SIZE);
3496                                         cont_pkt =
3497                                             qlafx00_prep_cont_type1_iocb(
3498                                                 sp->fcport->vha->req,
3499                                                 &lcont_pkt);
3500                                         cur_dsd = (__le32 *)
3501                                             lcont_pkt.dseg_0_address;
3502                                         avail_dsds = 5;
3503                                         cont = 1;
3504                                         entry_cnt++;
3505                                 }
3506
3507                                 sle_dma = sg_dma_address(sg);
3508                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3509                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3510                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3511                                 avail_dsds--;
3512
3513                                 if (avail_dsds == 0 && cont == 1) {
3514                                         cont = 0;
3515                                         memcpy_toio(
3516                                             (void __iomem *)cont_pkt,
3517                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3518                                         ql_dump_buffer(
3519                                             ql_dbg_user + ql_dbg_verbose,
3520                                             sp->fcport->vha, 0x3042,
3521                                             (uint8_t *)&lcont_pkt,
3522                                              REQUEST_ENTRY_SIZE);
3523                                 }
3524                         }
3525                         if (avail_dsds != 0 && cont == 1) {
3526                                 memcpy_toio((void __iomem *)cont_pkt,
3527                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3528                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3529                                     sp->fcport->vha, 0x3043,
3530                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3531                         }
3532                 }
3533
3534                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3535                         int avail_dsds, tot_dsds;
3536                         cont_a64_entry_t lcont_pkt;
3537                         cont_a64_entry_t *cont_pkt = NULL;
3538                         __le32 *cur_dsd;
3539                         int index = 0, cont = 0;
3540
3541                         fx_iocb.rsp_dsdcnt =
3542                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3543                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3544                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3545                         avail_dsds = 1;
3546
3547                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3548                             tot_dsds, index) {
3549                                 dma_addr_t sle_dma;
3550
3551                                 /* Allocate additional continuation packets? */
3552                                 if (avail_dsds == 0) {
3553                                         /*
3554                                         * Five DSDs are available in the Cont.
3555                                         * Type 1 IOCB.
3556                                         */
3557                                         memset(&lcont_pkt, 0,
3558                                             REQUEST_ENTRY_SIZE);
3559                                         cont_pkt =
3560                                             qlafx00_prep_cont_type1_iocb(
3561                                                 sp->fcport->vha->req,
3562                                                 &lcont_pkt);
3563                                         cur_dsd = (__le32 *)
3564                                             lcont_pkt.dseg_0_address;
3565                                         avail_dsds = 5;
3566                                         cont = 1;
3567                                         entry_cnt++;
3568                                 }
3569
3570                                 sle_dma = sg_dma_address(sg);
3571                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3572                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3573                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3574                                 avail_dsds--;
3575
3576                                 if (avail_dsds == 0 && cont == 1) {
3577                                         cont = 0;
3578                                         memcpy_toio((void __iomem *)cont_pkt,
3579                                             &lcont_pkt,
3580                                             REQUEST_ENTRY_SIZE);
3581                                         ql_dump_buffer(
3582                                             ql_dbg_user + ql_dbg_verbose,
3583                                             sp->fcport->vha, 0x3045,
3584                                             (uint8_t *)&lcont_pkt,
3585                                             REQUEST_ENTRY_SIZE);
3586                                 }
3587                         }
3588                         if (avail_dsds != 0 && cont == 1) {
3589                                 memcpy_toio((void __iomem *)cont_pkt,
3590                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3591                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3592                                     sp->fcport->vha, 0x3046,
3593                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3594                         }
3595                 }
3596
3597                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3598                         fx_iocb.dataword = piocb_rqst->dataword;
3599                 fx_iocb.flags = piocb_rqst->flags;
3600                 fx_iocb.entry_count = entry_cnt;
3601         }
3602
3603         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3604             sp->fcport->vha, 0x3047,
3605             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3606
3607         memcpy((void *)pfxiocb, &fx_iocb,
3608             sizeof(struct fxdisc_entry_fx00));
3609         wmb();
3610 }