drivers/scsi/qla2xxx/qla_mr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include <linux/delay.h>
   9 #include <linux/ktime.h>
  10 #include <linux/pci.h>
  11 #include <linux/ratelimit.h>
  12 #include <linux/vmalloc.h>
  13 #include <linux/bsg-lib.h>
  14 #include <scsi/scsi_tcq.h>
  15 #include <linux/utsname.h>
  16
  17
  18 /* QLAFX00 specific Mailbox implementation functions */
  19
  20 /*
  21  * qlafx00_mailbox_command
  22  *      Issue mailbox command and waits for completion.
  23  *
  24  * Input:
  25  *      ha = adapter block pointer.
  26  *      mcp = driver internal mbx struct pointer.
  27  *
  28  * Output:
  29  *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
  30  *
  31  * Returns:
  32  *      0 : QLA_SUCCESS = cmd performed success
  33  *      1 : QLA_FUNCTION_FAILED   (error encountered)
  34  *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
  35  *
  36  * Context:
  37  *      Kernel context.
  38  */
  39 static int
  40 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
  41
  42 {
  43         int             rval;
  44         unsigned long    flags = 0;
  45         device_reg_t *reg;
  46         uint8_t         abort_active;
  47         uint8_t         io_lock_on;
  48         uint16_t        command = 0;
  49         uint32_t        *iptr;
  50         uint32_t __iomem *optr;
  51         uint32_t        cnt;
  52         uint32_t        mboxes;
  53         unsigned long   wait_time;
  54         struct qla_hw_data *ha = vha->hw;
  55         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  56
  57         if (ha->pdev->error_state > pci_channel_io_frozen) {
  58                 ql_log(ql_log_warn, vha, 0x115c,
  59                     "error_state is greater than pci_channel_io_frozen, "
  60                     "exiting.\n");
  61                 return QLA_FUNCTION_TIMEOUT;
  62         }
  63
  64         if (vha->device_flags & DFLG_DEV_FAILED) {
  65                 ql_log(ql_log_warn, vha, 0x115f,
  66                     "Device in failed state, exiting.\n");
  67                 return QLA_FUNCTION_TIMEOUT;
  68         }
  69
  70         reg = ha->iobase;
  71         io_lock_on = base_vha->flags.init_done;
  72
  73         rval = QLA_SUCCESS;
  74         abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  75
  76         if (ha->flags.pci_channel_io_perm_failure) {
  77                 ql_log(ql_log_warn, vha, 0x1175,
  78                     "Perm failure on EEH timeout MBX, exiting.\n");
  79                 return QLA_FUNCTION_TIMEOUT;
  80         }
  81
  82         if (ha->flags.isp82xx_fw_hung) {
  83                 /* Setting Link-Down error */
  84                 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  85                 ql_log(ql_log_warn, vha, 0x1176,
  86                     "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  87                 rval = QLA_FUNCTION_FAILED;
  88                 goto premature_exit;
  89         }
  90
  91         /*
  92          * Wait for active mailbox commands to finish by waiting at most tov
  93          * seconds. This is to serialize actual issuing of mailbox cmds during
  94          * non ISP abort time.
  95          */
  96         if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  97                 /* Timeout occurred. Return error. */
  98                 ql_log(ql_log_warn, vha, 0x1177,
  99                     "Cmd access timeout, cmd=0x%x, Exiting.\n",
 100                     mcp->mb[0]);
 101                 return QLA_FUNCTION_TIMEOUT;
 102         }
 103
 104         ha->flags.mbox_busy = 1;
 105         /* Save mailbox command for debug */
 106         ha->mcp32 = mcp;
 107
 108         ql_dbg(ql_dbg_mbx, vha, 0x1178,
 109             "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
 110
 111         spin_lock_irqsave(&ha->hardware_lock, flags);
 112
 113         /* Load mailbox registers. */
 114         optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
 115
 116         iptr = mcp->mb;
 117         command = mcp->mb[0];
 118         mboxes = mcp->out_mb;
 119
 120         for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 121                 if (mboxes & BIT_0)
 122                         WRT_REG_DWORD(optr, *iptr);
 123
 124                 mboxes >>= 1;
 125                 optr++;
 126                 iptr++;
 127         }
 128
 129         /* Issue set host interrupt command to send cmd out. */
 130         ha->flags.mbox_int = 0;
 131         clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 132
 133         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
 134             (uint8_t *)mcp->mb, 16);
 135         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
 136             ((uint8_t *)mcp->mb + 0x10), 16);
 137         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
 138             ((uint8_t *)mcp->mb + 0x20), 8);
 139
 140         /* Unlock mbx registers and wait for interrupt */
 141         ql_dbg(ql_dbg_mbx, vha, 0x1179,
 142             "Going to unlock irq & waiting for interrupts. "
 143             "jiffies=%lx.\n", jiffies);
 144
 145         /* Wait for mbx cmd completion until timeout */
 146         if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 147                 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 148
 149                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 150                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 151
 152                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 153         } else {
 154                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
 155                     "Cmd=%x Polling Mode.\n", command);
 156
 157                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 158                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 159
 160                 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 161                 while (!ha->flags.mbox_int) {
 162                         if (time_after(jiffies, wait_time))
 163                                 break;
 164
 165                         /* Check for pending interrupts. */
 166                         qla2x00_poll(ha->rsp_q_map[0]);
 167
 168                         if (!ha->flags.mbox_int &&
 169                             !(IS_QLA2200(ha) &&
 170                             command == MBC_LOAD_RISC_RAM_EXTENDED))
 171                                 usleep_range(10000, 11000);
 172                 } /* while */
 173                 ql_dbg(ql_dbg_mbx, vha, 0x112d,
 174                     "Waited %d sec.\n",
 175                     (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
 176         }
 177
 178         /* Check whether we timed out */
 179         if (ha->flags.mbox_int) {
 180                 uint32_t *iptr2;
 181
 182                 ql_dbg(ql_dbg_mbx, vha, 0x112e,
 183                     "Cmd=%x completed.\n", command);
 184
 185                 /* Got interrupt. Clear the flag. */
 186                 ha->flags.mbox_int = 0;
 187                 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 188
 189                 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
 190                         rval = QLA_FUNCTION_FAILED;
 191
 192                 /* Load return mailbox registers. */
 193                 iptr2 = mcp->mb;
 194                 iptr = (uint32_t *)&ha->mailbox_out32[0];
 195                 mboxes = mcp->in_mb;
 196                 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 197                         if (mboxes & BIT_0)
 198                                 *iptr2 = *iptr;
 199
 200                         mboxes >>= 1;
 201                         iptr2++;
 202                         iptr++;
 203                 }
 204         } else {
 205
 206                 rval = QLA_FUNCTION_TIMEOUT;
 207         }
 208
 209         ha->flags.mbox_busy = 0;
 210
 211         /* Clean up */
 212         ha->mcp32 = NULL;
 213
 214         if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
 215                 ql_dbg(ql_dbg_mbx, vha, 0x113a,
 216                     "checking for additional resp interrupt.\n");
 217
 218                 /* polling mode for non isp_abort commands. */
 219                 qla2x00_poll(ha->rsp_q_map[0]);
 220         }
 221
 222         if (rval == QLA_FUNCTION_TIMEOUT &&
 223             mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
 224                 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
 225                     ha->flags.eeh_busy) {
 226                         /* not in dpc. schedule it for dpc to take over. */
 227                         ql_dbg(ql_dbg_mbx, vha, 0x115d,
 228                             "Timeout, schedule isp_abort_needed.\n");
 229
 230                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 231                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 232                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 233
 234                                 ql_log(ql_log_info, base_vha, 0x115e,
 235                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 236                                     "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
 237                                     "abort.\n", command, mcp->mb[0],
 238                                     ha->flags.eeh_busy);
 239                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 240                                 qla2xxx_wake_dpc(vha);
 241                         }
 242                 } else if (!abort_active) {
 243                         /* call abort directly since we are in the DPC thread */
 244                         ql_dbg(ql_dbg_mbx, vha, 0x1160,
 245                             "Timeout, calling abort_isp.\n");
 246
 247                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 248                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 249                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 250
 251                                 ql_log(ql_log_info, base_vha, 0x1161,
 252                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
 253                                     "mb[0]=0x%x. Scheduling ISP abort ",
 254                                     command, mcp->mb[0]);
 255
 256                                 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 257                                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 258                                 if (ha->isp_ops->abort_isp(vha)) {
 259                                         /* Failed. retry later. */
 260                                         set_bit(ISP_ABORT_NEEDED,
 261                                             &vha->dpc_flags);
 262                                 }
 263                                 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 264                                 ql_dbg(ql_dbg_mbx, vha, 0x1162,
 265                                     "Finished abort_isp.\n");
 266                         }
 267                 }
 268         }
 269
 270 premature_exit:
 271         /* Allow next mbx cmd to come in. */
 272         complete(&ha->mbx_cmd_comp);
 273
 274         if (rval) {
 275                 ql_log(ql_log_warn, base_vha, 0x1163,
 276                     "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
 277                     "mb[3]=%x, cmd=%x ****.\n",
 278                     mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
 279         } else {
 280                 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
 281         }
 282
 283         return rval;
 284 }
 285
 286 /*
 287  * qlafx00_driver_shutdown
 288  *      Indicate a driver shutdown to firmware.
 289  *
 290  * Input:
 291  *      ha = adapter block pointer.
 292  *
 293  * Returns:
 294  *      local function return status code.
 295  *
 296  * Context:
 297  *      Kernel context.
 298  */
 299 int
 300 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
 301 {
 302         int rval;
 303         struct mbx_cmd_32 mc;
 304         struct mbx_cmd_32 *mcp = &mc;
 305
 306         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
 307             "Entered %s.\n", __func__);
 308
 309         mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
 310         mcp->out_mb = MBX_0;
 311         mcp->in_mb = MBX_0;
 312         if (tmo)
 313                 mcp->tov = tmo;
 314         else
 315                 mcp->tov = MBX_TOV_SECONDS;
 316         mcp->flags = 0;
 317         rval = qlafx00_mailbox_command(vha, mcp);
 318
 319         if (rval != QLA_SUCCESS) {
 320                 ql_dbg(ql_dbg_mbx, vha, 0x1167,
 321                     "Failed=%x.\n", rval);
 322         } else {
 323                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
 324                     "Done %s.\n", __func__);
 325         }
 326
 327         return rval;
 328 }
 329
 330 /*
 331  * qlafx00_get_firmware_state
 332  *      Get adapter firmware state.
 333  *
 334  * Input:
 335  *      ha = adapter block pointer.
 336  *      TARGET_QUEUE_LOCK must be released.
 337  *      ADAPTER_STATE_LOCK must be released.
 338  *
 339  * Returns:
 340  *      qla7xxx local function return status code.
 341  *
 342  * Context:
 343  *      Kernel context.
 344  */
 345 static int
 346 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
 347 {
 348         int rval;
 349         struct mbx_cmd_32 mc;
 350         struct mbx_cmd_32 *mcp = &mc;
 351
 352         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
 353             "Entered %s.\n", __func__);
 354
 355         mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 356         mcp->out_mb = MBX_0;
 357         mcp->in_mb = MBX_1|MBX_0;
 358         mcp->tov = MBX_TOV_SECONDS;
 359         mcp->flags = 0;
 360         rval = qlafx00_mailbox_command(vha, mcp);
 361
 362         /* Return firmware states. */
 363         states[0] = mcp->mb[1];
 364
 365         if (rval != QLA_SUCCESS) {
 366                 ql_dbg(ql_dbg_mbx, vha, 0x116a,
 367                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 368         } else {
 369                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
 370                     "Done %s.\n", __func__);
 371         }
 372         return rval;
 373 }
 374
 375 /*
 376  * qlafx00_init_firmware
 377  *      Initialize adapter firmware.
 378  *
 379  * Input:
 380  *      ha = adapter block pointer.
 381  *      dptr = Initialization control block pointer.
 382  *      size = size of initialization control block.
 383  *      TARGET_QUEUE_LOCK must be released.
 384  *      ADAPTER_STATE_LOCK must be released.
 385  *
 386  * Returns:
 387  *      qlafx00 local function return status code.
 388  *
 389  * Context:
 390  *      Kernel context.
 391  */
 392 int
 393 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 394 {
 395         int rval;
 396         struct mbx_cmd_32 mc;
 397         struct mbx_cmd_32 *mcp = &mc;
 398         struct qla_hw_data *ha = vha->hw;
 399
 400         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
 401             "Entered %s.\n", __func__);
 402
 403         mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
 404
 405         mcp->mb[1] = 0;
 406         mcp->mb[2] = MSD(ha->init_cb_dma);
 407         mcp->mb[3] = LSD(ha->init_cb_dma);
 408
 409         mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 410         mcp->in_mb = MBX_0;
 411         mcp->buf_size = size;
 412         mcp->flags = MBX_DMA_OUT;
 413         mcp->tov = MBX_TOV_SECONDS;
 414         rval = qlafx00_mailbox_command(vha, mcp);
 415
 416         if (rval != QLA_SUCCESS) {
 417                 ql_dbg(ql_dbg_mbx, vha, 0x116d,
 418                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 419         } else {
 420                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
 421                     "Done %s.\n", __func__);
 422         }
 423         return rval;
 424 }
 425
 426 /*
 427  * qlafx00_mbx_reg_test
 428  */
 429 static int
 430 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
 431 {
 432         int rval;
 433         struct mbx_cmd_32 mc;
 434         struct mbx_cmd_32 *mcp = &mc;
 435
 436         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
 437             "Entered %s.\n", __func__);
 438
 439
 440         mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
 441         mcp->mb[1] = 0xAAAA;
 442         mcp->mb[2] = 0x5555;
 443         mcp->mb[3] = 0xAA55;
 444         mcp->mb[4] = 0x55AA;
 445         mcp->mb[5] = 0xA5A5;
 446         mcp->mb[6] = 0x5A5A;
 447         mcp->mb[7] = 0x2525;
 448         mcp->mb[8] = 0xBBBB;
 449         mcp->mb[9] = 0x6666;
 450         mcp->mb[10] = 0xBB66;
 451         mcp->mb[11] = 0x66BB;
 452         mcp->mb[12] = 0xB6B6;
 453         mcp->mb[13] = 0x6B6B;
 454         mcp->mb[14] = 0x3636;
 455         mcp->mb[15] = 0xCCCC;
 456
 457
 458         mcp->out_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->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 461                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 462         mcp->buf_size = 0;
 463         mcp->flags = MBX_DMA_OUT;
 464         mcp->tov = MBX_TOV_SECONDS;
 465         rval = qlafx00_mailbox_command(vha, mcp);
 466         if (rval == QLA_SUCCESS) {
 467                 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
 468                     mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
 469                         rval = QLA_FUNCTION_FAILED;
 470                 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
 471                     mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
 472                         rval = QLA_FUNCTION_FAILED;
 473                 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
 474                     mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
 475                         rval = QLA_FUNCTION_FAILED;
 476                 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
 477                     mcp->mb[31] != 0xCCCC)
 478                         rval = QLA_FUNCTION_FAILED;
 479         }
 480
 481         if (rval != QLA_SUCCESS) {
 482                 ql_dbg(ql_dbg_mbx, vha, 0x1170,
 483                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 484         } else {
 485                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
 486                     "Done %s.\n", __func__);
 487         }
 488         return rval;
 489 }
 490
 491 /**
 492  * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 493  * @ha: HA context
 494  *
 495  * Returns 0 on success.
 496  */
 497 int
 498 qlafx00_pci_config(scsi_qla_host_t *vha)
 499 {
 500         uint16_t w;
 501         struct qla_hw_data *ha = vha->hw;
 502
 503         pci_set_master(ha->pdev);
 504         pci_try_set_mwi(ha->pdev);
 505
 506         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 507         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 508         w &= ~PCI_COMMAND_INTX_DISABLE;
 509         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 510
 511         /* PCIe -- adjust Maximum Read Request Size (2048). */
 512         if (pci_is_pcie(ha->pdev))
 513                 pcie_set_readrq(ha->pdev, 2048);
 514
 515         ha->chip_revision = ha->pdev->revision;
 516
 517         return QLA_SUCCESS;
 518 }
 519
 520 /**
 521  * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 522  * @ha: HA context
 523  *
 524   */
 525 static inline void
 526 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
 527 {
 528         unsigned long flags = 0;
 529         struct qla_hw_data *ha = vha->hw;
 530         int i, core;
 531         uint32_t cnt;
 532         uint32_t reg_val;
 533
 534         spin_lock_irqsave(&ha->hardware_lock, flags);
 535
 536         QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0);
 537         QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0);
 538
 539         /* stop the XOR DMA engines */
 540         QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02);
 541         QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02);
 542         QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02);
 543         QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02);
 544
 545         /* stop the IDMA engines */
 546         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840);
 547         reg_val &= ~(1<<12);
 548         QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val);
 549
 550         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844);
 551         reg_val &= ~(1<<12);
 552         QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val);
 553
 554         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848);
 555         reg_val &= ~(1<<12);
 556         QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val);
 557
 558         reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C);
 559         reg_val &= ~(1<<12);
 560         QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val);
 561
 562         for (i = 0; i < 100000; i++) {
 563                 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 &&
 564                     (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0)
 565                         break;
 566                 udelay(100);
 567         }
 568
 569         /* Set all 4 cores in reset */
 570         for (i = 0; i < 4; i++) {
 571                 QLAFX00_SET_HBA_SOC_REG(ha,
 572                     (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
 573                 QLAFX00_SET_HBA_SOC_REG(ha,
 574                     (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
 575         }
 576
 577         /* Reset all units in Fabric */
 578         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101));
 579
 580         /* */
 581         QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1);
 582         QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0);
 583
 584         /* Set all 4 core Memory Power Down Registers */
 585         for (i = 0; i < 5; i++) {
 586                 QLAFX00_SET_HBA_SOC_REG(ha,
 587                     (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0));
 588         }
 589
 590         /* Reset all interrupt control registers */
 591         for (i = 0; i < 115; i++) {
 592                 QLAFX00_SET_HBA_SOC_REG(ha,
 593                     (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
 594         }
 595
 596         /* Reset Timers control registers. per core */
 597         for (core = 0; core < 4; core++)
 598                 for (i = 0; i < 8; i++)
 599                         QLAFX00_SET_HBA_SOC_REG(ha,
 600                             (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
 601
 602         /* Reset per core IRQ ack register */
 603         for (core = 0; core < 4; core++)
 604                 QLAFX00_SET_HBA_SOC_REG(ha,
 605                     (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
 606
 607         /* Set Fabric control and config to defaults */
 608         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
 609         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
 610
 611         /* Kick in Fabric units */
 612         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
 613
 614         /* Kick in Core0 to start boot process */
 615         QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
 616
 617         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 618
 619         /* Wait 10secs for soft-reset to complete. */
 620         for (cnt = 10; cnt; cnt--) {
 621                 msleep(1000);
 622                 barrier();
 623         }
 624 }
 625
 626 /**
 627  * qlafx00_soft_reset() - Soft Reset ISPFx00.
 628  * @ha: HA context
 629  *
 630  * Returns 0 on success.
 631  */
 632 void
 633 qlafx00_soft_reset(scsi_qla_host_t *vha)
 634 {
 635         struct qla_hw_data *ha = vha->hw;
 636
 637         if (unlikely(pci_channel_offline(ha->pdev) &&
 638             ha->flags.pci_channel_io_perm_failure))
 639                 return;
 640
 641         ha->isp_ops->disable_intrs(ha);
 642         qlafx00_soc_cpu_reset(vha);
 643 }
 644
 645 /**
 646  * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 647  * @ha: HA context
 648  *
 649  * Returns 0 on success.
 650  */
 651 int
 652 qlafx00_chip_diag(scsi_qla_host_t *vha)
 653 {
 654         int rval = 0;
 655         struct qla_hw_data *ha = vha->hw;
 656         struct req_que *req = ha->req_q_map[0];
 657
 658         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 659
 660         rval = qlafx00_mbx_reg_test(vha);
 661         if (rval) {
 662                 ql_log(ql_log_warn, vha, 0x1165,
 663                     "Failed mailbox send register test\n");
 664         } else {
 665                 /* Flag a successful rval */
 666                 rval = QLA_SUCCESS;
 667         }
 668         return rval;
 669 }
 670
 671 void
 672 qlafx00_config_rings(struct scsi_qla_host *vha)
 673 {
 674         struct qla_hw_data *ha = vha->hw;
 675         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 676
 677         WRT_REG_DWORD(&reg->req_q_in, 0);
 678         WRT_REG_DWORD(&reg->req_q_out, 0);
 679
 680         WRT_REG_DWORD(&reg->rsp_q_in, 0);
 681         WRT_REG_DWORD(&reg->rsp_q_out, 0);
 682
 683         /* PCI posting */
 684         RD_REG_DWORD(&reg->rsp_q_out);
 685 }
 686
 687 char *
 688 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 689 {
 690         struct qla_hw_data *ha = vha->hw;
 691
 692         if (pci_is_pcie(ha->pdev)) {
 693                 strcpy(str, "PCIe iSA");
 694                 return str;
 695         }
 696         return str;
 697 }
 698
 699 char *
 700 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 701 {
 702         struct qla_hw_data *ha = vha->hw;
 703
 704         snprintf(str, size, "%s", ha->mr.fw_version);
 705         return str;
 706 }
 707
 708 void
 709 qlafx00_enable_intrs(struct qla_hw_data *ha)
 710 {
 711         unsigned long flags = 0;
 712
 713         spin_lock_irqsave(&ha->hardware_lock, flags);
 714         ha->interrupts_on = 1;
 715         QLAFX00_ENABLE_ICNTRL_REG(ha);
 716         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 717 }
 718
 719 void
 720 qlafx00_disable_intrs(struct qla_hw_data *ha)
 721 {
 722         unsigned long flags = 0;
 723
 724         spin_lock_irqsave(&ha->hardware_lock, flags);
 725         ha->interrupts_on = 0;
 726         QLAFX00_DISABLE_ICNTRL_REG(ha);
 727         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 728 }
 729
 730 int
 731 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag)
 732 {
 733         return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 734 }
 735
 736 int
 737 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag)
 738 {
 739         return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 740 }
 741
 742 int
 743 qlafx00_iospace_config(struct qla_hw_data *ha)
 744 {
 745         if (pci_request_selected_regions(ha->pdev, ha->bars,
 746             QLA2XXX_DRIVER_NAME)) {
 747                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 748                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 749                     pci_name(ha->pdev));
 750                 goto iospace_error_exit;
 751         }
 752
 753         /* Use MMIO operations for all accesses. */
 754         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 755                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 756                     "Invalid pci I/O region size (%s).\n",
 757                     pci_name(ha->pdev));
 758                 goto iospace_error_exit;
 759         }
 760         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 761                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 762                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
 763                         pci_name(ha->pdev));
 764                 goto iospace_error_exit;
 765         }
 766
 767         ha->cregbase =
 768             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 769         if (!ha->cregbase) {
 770                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 771                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 772                 goto iospace_error_exit;
 773         }
 774
 775         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 776                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 777                     "region #2 not an MMIO resource (%s), aborting\n",
 778                     pci_name(ha->pdev));
 779                 goto iospace_error_exit;
 780         }
 781         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 782                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 783                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
 784                         pci_name(ha->pdev));
 785                 goto iospace_error_exit;
 786         }
 787
 788         ha->iobase =
 789             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 790         if (!ha->iobase) {
 791                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 792                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 793                 goto iospace_error_exit;
 794         }
 795
 796         /* Determine queue resources */
 797         ha->max_req_queues = ha->max_rsp_queues = 1;
 798
 799         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 800             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 801             ha->bars, ha->cregbase, ha->iobase);
 802
 803         return 0;
 804
 805 iospace_error_exit:
 806         return -ENOMEM;
 807 }
 808
 809 static void
 810 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 811 {
 812         struct qla_hw_data *ha = vha->hw;
 813         struct req_que *req = ha->req_q_map[0];
 814         struct rsp_que *rsp = ha->rsp_q_map[0];
 815
 816         req->length_fx00 = req->length;
 817         req->ring_fx00 = req->ring;
 818         req->dma_fx00 = req->dma;
 819
 820         rsp->length_fx00 = rsp->length;
 821         rsp->ring_fx00 = rsp->ring;
 822         rsp->dma_fx00 = rsp->dma;
 823
 824         ql_dbg(ql_dbg_init, vha, 0x012d,
 825             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 826             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 827             req->length_fx00, (u64)req->dma_fx00);
 828
 829         ql_dbg(ql_dbg_init, vha, 0x012e,
 830             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 831             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 832             rsp->length_fx00, (u64)rsp->dma_fx00);
 833 }
 834
 835 static int
 836 qlafx00_config_queues(struct scsi_qla_host *vha)
 837 {
 838         struct qla_hw_data *ha = vha->hw;
 839         struct req_que *req = ha->req_q_map[0];
 840         struct rsp_que *rsp = ha->rsp_q_map[0];
 841         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 842
 843         req->length = ha->req_que_len;
 844         req->ring = (void __force *)ha->iobase + ha->req_que_off;
 845         req->dma = bar2_hdl + ha->req_que_off;
 846         if ((!req->ring) || (req->length == 0)) {
 847                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 848                     "Unable to allocate memory for req_ring\n");
 849                 return QLA_FUNCTION_FAILED;
 850         }
 851
 852         ql_dbg(ql_dbg_init, vha, 0x0130,
 853             "req: %p req_ring pointer %p req len 0x%x "
 854             "req off 0x%x\n, req->dma: 0x%llx",
 855             req, req->ring, req->length,
 856             ha->req_que_off, (u64)req->dma);
 857
 858         rsp->length = ha->rsp_que_len;
 859         rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off;
 860         rsp->dma = bar2_hdl + ha->rsp_que_off;
 861         if ((!rsp->ring) || (rsp->length == 0)) {
 862                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 863                     "Unable to allocate memory for rsp_ring\n");
 864                 return QLA_FUNCTION_FAILED;
 865         }
 866
 867         ql_dbg(ql_dbg_init, vha, 0x0132,
 868             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 869             "rsp off 0x%x, rsp->dma: 0x%llx\n",
 870             rsp, rsp->ring, rsp->length,
 871             ha->rsp_que_off, (u64)rsp->dma);
 872
 873         return QLA_SUCCESS;
 874 }
 875
 876 static int
 877 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 878 {
 879         int rval = 0;
 880         unsigned long wtime;
 881         uint16_t wait_time;     /* Wait time */
 882         struct qla_hw_data *ha = vha->hw;
 883         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 884         uint32_t aenmbx, aenmbx7 = 0;
 885         uint32_t pseudo_aen;
 886         uint32_t state[5];
 887         bool done = false;
 888
 889         /* 30 seconds wait - Adjust if required */
 890         wait_time = 30;
 891
 892         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 893         if (pseudo_aen == 1) {
 894                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
 895                 ha->mbx_intr_code = MSW(aenmbx7);
 896                 ha->rqstq_intr_code = LSW(aenmbx7);
 897                 rval = qlafx00_driver_shutdown(vha, 10);
 898                 if (rval != QLA_SUCCESS)
 899                         qlafx00_soft_reset(vha);
 900         }
 901
 902         /* wait time before firmware ready */
 903         wtime = jiffies + (wait_time * HZ);
 904         do {
 905                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 906                 barrier();
 907                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
 908                     "aenmbx: 0x%x\n", aenmbx);
 909
 910                 switch (aenmbx) {
 911                 case MBA_FW_NOT_STARTED:
 912                 case MBA_FW_STARTING:
 913                         break;
 914
 915                 case MBA_SYSTEM_ERR:
 916                 case MBA_REQ_TRANSFER_ERR:
 917                 case MBA_RSP_TRANSFER_ERR:
 918                 case MBA_FW_INIT_FAILURE:
 919                         qlafx00_soft_reset(vha);
 920                         break;
 921
 922                 case MBA_FW_RESTART_CMPLT:
 923                         /* Set the mbx and rqstq intr code */
 924                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 925                         ha->mbx_intr_code = MSW(aenmbx7);
 926                         ha->rqstq_intr_code = LSW(aenmbx7);
 927                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 928                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 929                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 930                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 931                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
 932                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 933                         ql_dbg(ql_dbg_init, vha, 0x0134,
 934                             "f/w returned mbx_intr_code: 0x%x, "
 935                             "rqstq_intr_code: 0x%x\n",
 936                             ha->mbx_intr_code, ha->rqstq_intr_code);
 937                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 938                         rval = QLA_SUCCESS;
 939                         done = true;
 940                         break;
 941
 942                 default:
 943                         if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS)
 944                                 break;
 945
 946                         /* If fw is apparently not ready. In order to continue,
 947                          * we might need to issue Mbox cmd, but the problem is
 948                          * that the DoorBell vector values that come with the
 949                          * 8060 AEN are most likely gone by now (and thus no
 950                          * bell would be rung on the fw side when mbox cmd is
 951                          * issued). We have to therefore grab the 8060 AEN
 952                          * shadow regs (filled in by FW when the last 8060
 953                          * AEN was being posted).
 954                          * Do the following to determine what is needed in
 955                          * order to get the FW ready:
 956                          * 1. reload the 8060 AEN values from the shadow regs
 957                          * 2. clear int status to get rid of possible pending
 958                          *    interrupts
 959                          * 3. issue Get FW State Mbox cmd to determine fw state
 960                          * Set the mbx and rqstq intr code from Shadow Regs
 961                          */
 962                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
 963                         ha->mbx_intr_code = MSW(aenmbx7);
 964                         ha->rqstq_intr_code = LSW(aenmbx7);
 965                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
 966                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
 967                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
 968                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
 969                         ql_dbg(ql_dbg_init, vha, 0x0135,
 970                             "f/w returned mbx_intr_code: 0x%x, "
 971                             "rqstq_intr_code: 0x%x\n",
 972                             ha->mbx_intr_code, ha->rqstq_intr_code);
 973                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 974
 975                         /* Get the FW state */
 976                         rval = qlafx00_get_firmware_state(vha, state);
 977                         if (rval != QLA_SUCCESS) {
 978                                 /* Retry if timer has not expired */
 979                                 break;
 980                         }
 981
 982                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
 983                                 /* Firmware is waiting to be
 984                                  * initialized by driver
 985                                  */
 986                                 rval = QLA_SUCCESS;
 987                                 done = true;
 988                                 break;
 989                         }
 990
 991                         /* Issue driver shutdown and wait until f/w recovers.
 992                          * Driver should continue to poll until 8060 AEN is
 993                          * received indicating firmware recovery.
 994                          */
 995                         ql_dbg(ql_dbg_init, vha, 0x0136,
 996                             "Sending Driver shutdown fw_state 0x%x\n",
 997                             state[0]);
 998
 999                         rval = qlafx00_driver_shutdown(vha, 10);
1000                         if (rval != QLA_SUCCESS) {
1001                                 rval = QLA_FUNCTION_FAILED;
1002                                 break;
1003                         }
1004                         msleep(500);
1005
1006                         wtime = jiffies + (wait_time * HZ);
1007                         break;
1008                 }
1009
1010                 if (!done) {
1011                         if (time_after_eq(jiffies, wtime)) {
1012                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1013                                     "Init f/w failed: aen[7]: 0x%x\n",
1014                                     RD_REG_DWORD(&reg->aenmailbox7));
1015                                 rval = QLA_FUNCTION_FAILED;
1016                                 done = true;
1017                                 break;
1018                         }
1019                         /* Delay for a while */
1020                         msleep(500);
1021                 }
1022         } while (!done);
1023
1024         if (rval)
1025                 ql_dbg(ql_dbg_init, vha, 0x0138,
1026                     "%s **** FAILED ****.\n", __func__);
1027         else
1028                 ql_dbg(ql_dbg_init, vha, 0x0139,
1029                     "%s **** SUCCESS ****.\n", __func__);
1030
1031         return rval;
1032 }
1033
1034 /*
1035  * qlafx00_fw_ready() - Waits for firmware ready.
1036  * @ha: HA context
1037  *
1038  * Returns 0 on success.
1039  */
1040 int
1041 qlafx00_fw_ready(scsi_qla_host_t *vha)
1042 {
1043         int             rval;
1044         unsigned long   wtime;
1045         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1046         uint32_t        state[5];
1047
1048         rval = QLA_SUCCESS;
1049
1050         wait_time = 10;
1051
1052         /* wait time before firmware ready */
1053         wtime = jiffies + (wait_time * HZ);
1054
1055         /* Wait for ISP to finish init */
1056         if (!vha->flags.init_done)
1057                 ql_dbg(ql_dbg_init, vha, 0x013a,
1058                     "Waiting for init to complete...\n");
1059
1060         do {
1061                 rval = qlafx00_get_firmware_state(vha, state);
1062
1063                 if (rval == QLA_SUCCESS) {
1064                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1065                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1066                                     "fw_state=%x\n", state[0]);
1067                                 rval = QLA_SUCCESS;
1068                                         break;
1069                         }
1070                 }
1071                 rval = QLA_FUNCTION_FAILED;
1072
1073                 if (time_after_eq(jiffies, wtime))
1074                         break;
1075
1076                 /* Delay for a while */
1077                 msleep(500);
1078
1079                 ql_dbg(ql_dbg_init, vha, 0x013c,
1080                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1081         } while (1);
1082
1083
1084         if (rval)
1085                 ql_dbg(ql_dbg_init, vha, 0x013d,
1086                     "Firmware ready **** FAILED ****.\n");
1087         else
1088                 ql_dbg(ql_dbg_init, vha, 0x013e,
1089                     "Firmware ready **** SUCCESS ****.\n");
1090
1091         return rval;
1092 }
1093
1094 static int
1095 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1096         struct list_head *new_fcports)
1097 {
1098         int             rval;
1099         uint16_t        tgt_id;
1100         fc_port_t       *fcport, *new_fcport;
1101         int             found;
1102         struct qla_hw_data *ha = vha->hw;
1103
1104         rval = QLA_SUCCESS;
1105
1106         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1107                 return QLA_FUNCTION_FAILED;
1108
1109         if ((atomic_read(&vha->loop_down_timer) ||
1110              STATE_TRANSITION(vha))) {
1111                 atomic_set(&vha->loop_down_timer, 0);
1112                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1113                 return QLA_FUNCTION_FAILED;
1114         }
1115
1116         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1117             "Listing Target bit map...\n");
1118         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1119             0x2089, (uint8_t *)ha->gid_list, 32);
1120
1121         /* Allocate temporary rmtport for any new rmtports discovered. */
1122         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1123         if (new_fcport == NULL)
1124                 return QLA_MEMORY_ALLOC_FAILED;
1125
1126         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1127             QLAFX00_TGT_NODE_LIST_SIZE) {
1128
1129                 /* Send get target node info */
1130                 new_fcport->tgt_id = tgt_id;
1131                 rval = qlafx00_fx_disc(vha, new_fcport,
1132                     FXDISC_GET_TGT_NODE_INFO);
1133                 if (rval != QLA_SUCCESS) {
1134                         ql_log(ql_log_warn, vha, 0x208a,
1135                             "Target info scan failed -- assuming zero-entry "
1136                             "result...\n");
1137                         continue;
1138                 }
1139
1140                 /* Locate matching device in database. */
1141                 found = 0;
1142                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1143                         if (memcmp(new_fcport->port_name,
1144                             fcport->port_name, WWN_SIZE))
1145                                 continue;
1146
1147                         found++;
1148
1149                         /*
1150                          * If tgt_id is same and state FCS_ONLINE, nothing
1151                          * changed.
1152                          */
1153                         if (fcport->tgt_id == new_fcport->tgt_id &&
1154                             atomic_read(&fcport->state) == FCS_ONLINE)
1155                                 break;
1156
1157                         /*
1158                          * Tgt ID changed or device was marked to be updated.
1159                          */
1160                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1161                             "TGT-ID Change(%s): Present tgt id: "
1162                             "0x%x state: 0x%x "
1163                             "wwnn = %llx wwpn = %llx.\n",
1164                             __func__, fcport->tgt_id,
1165                             atomic_read(&fcport->state),
1166                             (unsigned long long)wwn_to_u64(fcport->node_name),
1167                             (unsigned long long)wwn_to_u64(fcport->port_name));
1168
1169                         ql_log(ql_log_info, vha, 0x208c,
1170                             "TGT-ID Announce(%s): Discovered tgt "
1171                             "id 0x%x wwnn = %llx "
1172                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1173                             (unsigned long long)
1174                             wwn_to_u64(new_fcport->node_name),
1175                             (unsigned long long)
1176                             wwn_to_u64(new_fcport->port_name));
1177
1178                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1179                                 fcport->old_tgt_id = fcport->tgt_id;
1180                                 fcport->tgt_id = new_fcport->tgt_id;
1181                                 ql_log(ql_log_info, vha, 0x208d,
1182                                    "TGT-ID: New fcport Added: %p\n", fcport);
1183                                 qla2x00_update_fcport(vha, fcport);
1184                         } else {
1185                                 ql_log(ql_log_info, vha, 0x208e,
1186                                     " Existing TGT-ID %x did not get "
1187                                     " offline event from firmware.\n",
1188                                     fcport->old_tgt_id);
1189                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1190                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1191                                 kfree(new_fcport);
1192                                 return rval;
1193                         }
1194                         break;
1195                 }
1196
1197                 if (found)
1198                         continue;
1199
1200                 /* If device was not in our fcports list, then add it. */
1201                 list_add_tail(&new_fcport->list, new_fcports);
1202
1203                 /* Allocate a new replacement fcport. */
1204                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1205                 if (new_fcport == NULL)
1206                         return QLA_MEMORY_ALLOC_FAILED;
1207         }
1208
1209         kfree(new_fcport);
1210         return rval;
1211 }
1212
1213 /*
1214  * qlafx00_configure_all_targets
1215  *      Setup target devices with node ID's.
1216  *
1217  * Input:
1218  *      ha = adapter block pointer.
1219  *
1220  * Returns:
1221  *      0 = success.
1222  *      BIT_0 = error
1223  */
1224 static int
1225 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1226 {
1227         int rval;
1228         fc_port_t *fcport, *rmptemp;
1229         LIST_HEAD(new_fcports);
1230
1231         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1232             FXDISC_GET_TGT_NODE_LIST);
1233         if (rval != QLA_SUCCESS) {
1234                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1235                 return rval;
1236         }
1237
1238         rval = qlafx00_find_all_targets(vha, &new_fcports);
1239         if (rval != QLA_SUCCESS) {
1240                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1241                 return rval;
1242         }
1243
1244         /*
1245          * Delete all previous devices marked lost.
1246          */
1247         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1248                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1249                         break;
1250
1251                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1252                         if (fcport->port_type != FCT_INITIATOR)
1253                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1254                 }
1255         }
1256
1257         /*
1258          * Add the new devices to our devices list.
1259          */
1260         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1261                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1262                         break;
1263
1264                 qla2x00_update_fcport(vha, fcport);
1265                 list_move_tail(&fcport->list, &vha->vp_fcports);
1266                 ql_log(ql_log_info, vha, 0x208f,
1267                     "Attach new target id 0x%x wwnn = %llx "
1268                     "wwpn = %llx.\n",
1269                     fcport->tgt_id,
1270                     (unsigned long long)wwn_to_u64(fcport->node_name),
1271                     (unsigned long long)wwn_to_u64(fcport->port_name));
1272         }
1273
1274         /* Free all new device structures not processed. */
1275         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1276                 list_del(&fcport->list);
1277                 kfree(fcport);
1278         }
1279
1280         return rval;
1281 }
1282
1283 /*
1284  * qlafx00_configure_devices
1285  *      Updates Fibre Channel Device Database with what is actually on loop.
1286  *
1287  * Input:
1288  *      ha                = adapter block pointer.
1289  *
1290  * Returns:
1291  *      0 = success.
1292  *      1 = error.
1293  *      2 = database was full and device was not configured.
1294  */
1295 int
1296 qlafx00_configure_devices(scsi_qla_host_t *vha)
1297 {
1298         int  rval;
1299         unsigned long flags;
1300         rval = QLA_SUCCESS;
1301
1302         flags = vha->dpc_flags;
1303
1304         ql_dbg(ql_dbg_disc, vha, 0x2090,
1305             "Configure devices -- dpc flags =0x%lx\n", flags);
1306
1307         rval = qlafx00_configure_all_targets(vha);
1308
1309         if (rval == QLA_SUCCESS) {
1310                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1311                         rval = QLA_FUNCTION_FAILED;
1312                 } else {
1313                         atomic_set(&vha->loop_state, LOOP_READY);
1314                         ql_log(ql_log_info, vha, 0x2091,
1315                             "Device Ready\n");
1316                 }
1317         }
1318
1319         if (rval) {
1320                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1321                     "%s *** FAILED ***.\n", __func__);
1322         } else {
1323                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1324                     "%s: exiting normally.\n", __func__);
1325         }
1326         return rval;
1327 }
1328
1329 static void
1330 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1331 {
1332         struct qla_hw_data *ha = vha->hw;
1333         fc_port_t *fcport;
1334
1335         vha->flags.online = 0;
1336         ha->mr.fw_hbt_en = 0;
1337
1338         if (!critemp) {
1339                 ha->flags.chip_reset_done = 0;
1340                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1341                 vha->qla_stats.total_isp_aborts++;
1342                 ql_log(ql_log_info, vha, 0x013f,
1343                     "Performing ISP error recovery - ha = %p.\n", ha);
1344                 ha->isp_ops->reset_chip(vha);
1345         }
1346
1347         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1348                 atomic_set(&vha->loop_state, LOOP_DOWN);
1349                 atomic_set(&vha->loop_down_timer,
1350                     QLAFX00_LOOP_DOWN_TIME);
1351         } else {
1352                 if (!atomic_read(&vha->loop_down_timer))
1353                         atomic_set(&vha->loop_down_timer,
1354                             QLAFX00_LOOP_DOWN_TIME);
1355         }
1356
1357         /* Clear all async request states across all VPs. */
1358         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1359                 fcport->flags = 0;
1360                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1361                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1362         }
1363
1364         if (!ha->flags.eeh_busy) {
1365                 if (critemp) {
1366                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1367                 } else {
1368                         /* Requeue all commands in outstanding command list. */
1369                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1370                 }
1371         }
1372
1373         qla2x00_free_irqs(vha);
1374         if (critemp)
1375                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1376         else
1377                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1378
1379         /* Clear the Interrupts */
1380         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1381
1382         ql_log(ql_log_info, vha, 0x0140,
1383             "%s Done done - ha=%p.\n", __func__, ha);
1384 }
1385
1386 /**
1387  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1388  * @ha: HA context
1389  *
1390  * Beginning of request ring has initialization control block already built
1391  * by nvram config routine.
1392  *
1393  * Returns 0 on success.
1394  */
1395 void
1396 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1397 {
1398         uint16_t cnt;
1399         response_t *pkt;
1400
1401         rsp->ring_ptr = rsp->ring;
1402         rsp->ring_index    = 0;
1403         rsp->status_srb = NULL;
1404         pkt = rsp->ring_ptr;
1405         for (cnt = 0; cnt < rsp->length; cnt++) {
1406                 pkt->signature = RESPONSE_PROCESSED;
1407                 WRT_REG_DWORD((void __force __iomem *)&pkt->signature,
1408                     RESPONSE_PROCESSED);
1409                 pkt++;
1410         }
1411 }
1412
1413 int
1414 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1415 {
1416         uint32_t status = QLA_FUNCTION_FAILED;
1417         struct qla_hw_data *ha = vha->hw;
1418         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1419         uint32_t aenmbx7;
1420
1421         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1422
1423         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1424         ha->mbx_intr_code = MSW(aenmbx7);
1425         ha->rqstq_intr_code = LSW(aenmbx7);
1426         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1427         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1428         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1429         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1430
1431         ql_dbg(ql_dbg_disc, vha, 0x2094,
1432             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1433             " Req que offset 0x%x Rsp que offset 0x%x\n",
1434             ha->mbx_intr_code, ha->rqstq_intr_code,
1435             ha->req_que_off, ha->rsp_que_len);
1436
1437         /* Clear the Interrupts */
1438         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1439
1440         status = qla2x00_init_rings(vha);
1441         if (!status) {
1442                 vha->flags.online = 1;
1443
1444                 /* if no cable then assume it's good */
1445                 if ((vha->device_flags & DFLG_NO_CABLE))
1446                         status = 0;
1447                 /* Register system information */
1448                 if (qlafx00_fx_disc(vha,
1449                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1450                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1451                             "failed to register host info\n");
1452         }
1453         scsi_unblock_requests(vha->host);
1454         return status;
1455 }
1456
1457 void
1458 qlafx00_timer_routine(scsi_qla_host_t *vha)
1459 {
1460         struct qla_hw_data *ha = vha->hw;
1461         uint32_t fw_heart_beat;
1462         uint32_t aenmbx0;
1463         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1464         uint32_t tempc;
1465
1466         /* Check firmware health */
1467         if (ha->mr.fw_hbt_cnt)
1468                 ha->mr.fw_hbt_cnt--;
1469         else {
1470                 if ((!ha->flags.mr_reset_hdlr_active) &&
1471                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1472                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1473                     (ha->mr.fw_hbt_en)) {
1474                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1475                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1476                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1477                                 ha->mr.fw_hbt_miss_cnt = 0;
1478                         } else {
1479                                 ha->mr.fw_hbt_miss_cnt++;
1480                                 if (ha->mr.fw_hbt_miss_cnt ==
1481                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1482                                         set_bit(ISP_ABORT_NEEDED,
1483                                             &vha->dpc_flags);
1484                                         qla2xxx_wake_dpc(vha);
1485                                         ha->mr.fw_hbt_miss_cnt = 0;
1486                                 }
1487                         }
1488                 }
1489                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1490         }
1491
1492         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1493                 /* Reset recovery to be performed in timer routine */
1494                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1495                 if (ha->mr.fw_reset_timer_exp) {
1496                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1497                         qla2xxx_wake_dpc(vha);
1498                         ha->mr.fw_reset_timer_exp = 0;
1499                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1500                         /* Wake up DPC to rescan the targets */
1501                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1502                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1503                         qla2xxx_wake_dpc(vha);
1504                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1505                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1506                     (!ha->mr.fw_hbt_en)) {
1507                         ha->mr.fw_hbt_en = 1;
1508                 } else if (!ha->mr.fw_reset_timer_tick) {
1509                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1510                                 ha->mr.fw_reset_timer_exp = 1;
1511                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1512                 } else if (aenmbx0 == 0xFFFFFFFF) {
1513                         uint32_t data0, data1;
1514
1515                         data0 = QLAFX00_RD_REG(ha,
1516                             QLAFX00_BAR1_BASE_ADDR_REG);
1517                         data1 = QLAFX00_RD_REG(ha,
1518                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1519
1520                         data0 &= 0xffff0000;
1521                         data1 &= 0x0000ffff;
1522
1523                         QLAFX00_WR_REG(ha,
1524                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1525                             (data0 | data1));
1526                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1527                         ha->mr.fw_reset_timer_tick =
1528                             QLAFX00_MAX_RESET_INTERVAL;
1529                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1530                         ha->mr.fw_reset_timer_tick =
1531                             QLAFX00_MAX_RESET_INTERVAL;
1532                 }
1533                 if (ha->mr.old_aenmbx0_state != aenmbx0) {
1534                         ha->mr.old_aenmbx0_state = aenmbx0;
1535                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1536                 }
1537                 ha->mr.fw_reset_timer_tick--;
1538         }
1539         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1540                 /*
1541                  * Critical temperature recovery to be
1542                  * performed in timer routine
1543                  */
1544                 if (ha->mr.fw_critemp_timer_tick == 0) {
1545                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1546                         ql_dbg(ql_dbg_timer, vha, 0x6012,
1547                             "ISPFx00(%s): Critical temp timer, "
1548                             "current SOC temperature: %d\n",
1549                             __func__, tempc);
1550                         if (tempc < ha->mr.critical_temperature) {
1551                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1552                                 clear_bit(FX00_CRITEMP_RECOVERY,
1553                                     &vha->dpc_flags);
1554                                 qla2xxx_wake_dpc(vha);
1555                         }
1556                         ha->mr.fw_critemp_timer_tick =
1557                             QLAFX00_CRITEMP_INTERVAL;
1558                 } else {
1559                         ha->mr.fw_critemp_timer_tick--;
1560                 }
1561         }
1562         if (ha->mr.host_info_resend) {
1563                 /*
1564                  * Incomplete host info might be sent to firmware
1565                  * durinng system boot - info should be resend
1566                  */
1567                 if (ha->mr.hinfo_resend_timer_tick == 0) {
1568                         ha->mr.host_info_resend = false;
1569                         set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1570                         ha->mr.hinfo_resend_timer_tick =
1571                             QLAFX00_HINFO_RESEND_INTERVAL;
1572                         qla2xxx_wake_dpc(vha);
1573                 } else {
1574                         ha->mr.hinfo_resend_timer_tick--;
1575                 }
1576         }
1577
1578 }
1579
1580 /*
1581  *  qlfx00a_reset_initialize
1582  *      Re-initialize after a iSA device reset.
1583  *
1584  * Input:
1585  *      ha  = adapter block pointer.
1586  *
1587  * Returns:
1588  *      0 = success
1589  */
1590 int
1591 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1592 {
1593         struct qla_hw_data *ha = vha->hw;
1594
1595         if (vha->device_flags & DFLG_DEV_FAILED) {
1596                 ql_dbg(ql_dbg_init, vha, 0x0142,
1597                     "Device in failed state\n");
1598                 return QLA_SUCCESS;
1599         }
1600
1601         ha->flags.mr_reset_hdlr_active = 1;
1602
1603         if (vha->flags.online) {
1604                 scsi_block_requests(vha->host);
1605                 qlafx00_abort_isp_cleanup(vha, false);
1606         }
1607
1608         ql_log(ql_log_info, vha, 0x0143,
1609             "(%s): succeeded.\n", __func__);
1610         ha->flags.mr_reset_hdlr_active = 0;
1611         return QLA_SUCCESS;
1612 }
1613
1614 /*
1615  *  qlafx00_abort_isp
1616  *      Resets ISP and aborts all outstanding commands.
1617  *
1618  * Input:
1619  *      ha  = adapter block pointer.
1620  *
1621  * Returns:
1622  *      0 = success
1623  */
1624 int
1625 qlafx00_abort_isp(scsi_qla_host_t *vha)
1626 {
1627         struct qla_hw_data *ha = vha->hw;
1628
1629         if (vha->flags.online) {
1630                 if (unlikely(pci_channel_offline(ha->pdev) &&
1631                     ha->flags.pci_channel_io_perm_failure)) {
1632                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1633                         return QLA_SUCCESS;
1634                 }
1635
1636                 scsi_block_requests(vha->host);
1637                 qlafx00_abort_isp_cleanup(vha, false);
1638         } else {
1639                 scsi_block_requests(vha->host);
1640                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1641                 vha->qla_stats.total_isp_aborts++;
1642                 ha->isp_ops->reset_chip(vha);
1643                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1644                 /* Clear the Interrupts */
1645                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1646         }
1647
1648         ql_log(ql_log_info, vha, 0x0145,
1649             "(%s): succeeded.\n", __func__);
1650
1651         return QLA_SUCCESS;
1652 }
1653
1654 static inline fc_port_t*
1655 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1656 {
1657         fc_port_t       *fcport;
1658
1659         /* Check for matching device in remote port list. */
1660         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1661                 if (fcport->tgt_id == tgt_id) {
1662                         ql_dbg(ql_dbg_async, vha, 0x5072,
1663                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1664                             "and Remote TGT_ID: 0x%x\n",
1665                             fcport, fcport->tgt_id, tgt_id);
1666                         return fcport;
1667                 }
1668         }
1669         return NULL;
1670 }
1671
1672 static void
1673 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1674 {
1675         fc_port_t       *fcport;
1676
1677         ql_log(ql_log_info, vha, 0x5073,
1678             "Detach TGT-ID: 0x%x\n", tgt_id);
1679
1680         fcport = qlafx00_get_fcport(vha, tgt_id);
1681         if (!fcport)
1682                 return;
1683
1684         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1685
1686         return;
1687 }
1688
1689 int
1690 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1691 {
1692         int rval = 0;
1693         uint32_t aen_code, aen_data;
1694
1695         aen_code = FCH_EVT_VENDOR_UNIQUE;
1696         aen_data = evt->u.aenfx.evtcode;
1697
1698         switch (evt->u.aenfx.evtcode) {
1699         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1700                 if (evt->u.aenfx.mbx[1] == 0) {
1701                         if (evt->u.aenfx.mbx[2] == 1) {
1702                                 if (!vha->flags.fw_tgt_reported)
1703                                         vha->flags.fw_tgt_reported = 1;
1704                                 atomic_set(&vha->loop_down_timer, 0);
1705                                 atomic_set(&vha->loop_state, LOOP_UP);
1706                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1707                                 qla2xxx_wake_dpc(vha);
1708                         } else if (evt->u.aenfx.mbx[2] == 2) {
1709                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1710                         }
1711                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1712                         if (evt->u.aenfx.mbx[2] == 1) {
1713                                 if (!vha->flags.fw_tgt_reported)
1714                                         vha->flags.fw_tgt_reported = 1;
1715                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1716                         } else if (evt->u.aenfx.mbx[2] == 2) {
1717                                 vha->device_flags |= DFLG_NO_CABLE;
1718                                 qla2x00_mark_all_devices_lost(vha, 1);
1719                         }
1720                 }
1721                 break;
1722         case QLAFX00_MBA_LINK_UP:
1723                 aen_code = FCH_EVT_LINKUP;
1724                 aen_data = 0;
1725                 break;
1726         case QLAFX00_MBA_LINK_DOWN:
1727                 aen_code = FCH_EVT_LINKDOWN;
1728                 aen_data = 0;
1729                 break;
1730         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1731                 ql_log(ql_log_info, vha, 0x5082,
1732                     "Process critical temperature event "
1733                     "aenmb[0]: %x\n",
1734                     evt->u.aenfx.evtcode);
1735                 scsi_block_requests(vha->host);
1736                 qlafx00_abort_isp_cleanup(vha, true);
1737                 scsi_unblock_requests(vha->host);
1738                 break;
1739         }
1740
1741         fc_host_post_event(vha->host, fc_get_event_number(),
1742             aen_code, aen_data);
1743
1744         return rval;
1745 }
1746
1747 static void
1748 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1749 {
1750         u64 port_name = 0, node_name = 0;
1751
1752         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1753         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1754
1755         fc_host_node_name(vha->host) = node_name;
1756         fc_host_port_name(vha->host) = port_name;
1757         if (!pinfo->port_type)
1758                 vha->hw->current_topology = ISP_CFG_F;
1759         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1760                 atomic_set(&vha->loop_state, LOOP_READY);
1761         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1762                 atomic_set(&vha->loop_state, LOOP_DOWN);
1763         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1764 }
1765
1766 static void
1767 qla2x00_fxdisc_iocb_timeout(void *data)
1768 {
1769         srb_t *sp = data;
1770         struct srb_iocb *lio = &sp->u.iocb_cmd;
1771
1772         complete(&lio->u.fxiocb.fxiocb_comp);
1773 }
1774
1775 static void
1776 qla2x00_fxdisc_sp_done(void *ptr, int res)
1777 {
1778         srb_t *sp = ptr;
1779         struct srb_iocb *lio = &sp->u.iocb_cmd;
1780
1781         complete(&lio->u.fxiocb.fxiocb_comp);
1782 }
1783
1784 int
1785 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1786 {
1787         srb_t *sp;
1788         struct srb_iocb *fdisc;
1789         int rval = QLA_FUNCTION_FAILED;
1790         struct qla_hw_data *ha = vha->hw;
1791         struct host_system_info *phost_info;
1792         struct register_host_info *preg_hsi;
1793         struct new_utsname *p_sysid = NULL;
1794
1795         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1796         if (!sp)
1797                 goto done;
1798
1799         sp->type = SRB_FXIOCB_DCMD;
1800         sp->name = "fxdisc";
1801         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1802
1803         fdisc = &sp->u.iocb_cmd;
1804         switch (fx_type) {
1805         case FXDISC_GET_CONFIG_INFO:
1806         fdisc->u.fxiocb.flags =
1807                     SRB_FXDISC_RESP_DMA_VALID;
1808                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1809                 break;
1810         case FXDISC_GET_PORT_INFO:
1811                 fdisc->u.fxiocb.flags =
1812                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1813                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1814                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1815                 break;
1816         case FXDISC_GET_TGT_NODE_INFO:
1817                 fdisc->u.fxiocb.flags =
1818                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1819                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1820                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1821                 break;
1822         case FXDISC_GET_TGT_NODE_LIST:
1823                 fdisc->u.fxiocb.flags =
1824                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1825                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1826                 break;
1827         case FXDISC_REG_HOST_INFO:
1828                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1829                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1830                 p_sysid = utsname();
1831                 if (!p_sysid) {
1832                         ql_log(ql_log_warn, vha, 0x303c,
1833                             "Not able to get the system information\n");
1834                         goto done_free_sp;
1835                 }
1836                 break;
1837         case FXDISC_ABORT_IOCTL:
1838         default:
1839                 break;
1840         }
1841
1842         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1843                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1844                     fdisc->u.fxiocb.req_len,
1845                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1846                 if (!fdisc->u.fxiocb.req_addr)
1847                         goto done_free_sp;
1848
1849                 if (fx_type == FXDISC_REG_HOST_INFO) {
1850                         preg_hsi = (struct register_host_info *)
1851                                 fdisc->u.fxiocb.req_addr;
1852                         phost_info = &preg_hsi->hsi;
1853                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1854                         phost_info->os_type = OS_TYPE_LINUX;
1855                         strncpy(phost_info->sysname,
1856                             p_sysid->sysname, SYSNAME_LENGTH);
1857                         strncpy(phost_info->nodename,
1858                             p_sysid->nodename, NODENAME_LENGTH);
1859                         if (!strcmp(phost_info->nodename, "(none)"))
1860                                 ha->mr.host_info_resend = true;
1861                         strncpy(phost_info->release,
1862                             p_sysid->release, RELEASE_LENGTH);
1863                         strncpy(phost_info->version,
1864                             p_sysid->version, VERSION_LENGTH);
1865                         strncpy(phost_info->machine,
1866                             p_sysid->machine, MACHINE_LENGTH);
1867                         strncpy(phost_info->domainname,
1868                             p_sysid->domainname, DOMNAME_LENGTH);
1869                         strncpy(phost_info->hostdriver,
1870                             QLA2XXX_VERSION, VERSION_LENGTH);
1871                         preg_hsi->utc = (uint64_t)ktime_get_real_seconds();
1872                         ql_dbg(ql_dbg_init, vha, 0x0149,
1873                             "ISP%04X: Host registration with firmware\n",
1874                             ha->pdev->device);
1875                         ql_dbg(ql_dbg_init, vha, 0x014a,
1876                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1877                             phost_info->os_type,
1878                             phost_info->sysname,
1879                             phost_info->nodename);
1880                         ql_dbg(ql_dbg_init, vha, 0x014b,
1881                             "release = '%s', version = '%s'\n",
1882                             phost_info->release,
1883                             phost_info->version);
1884                         ql_dbg(ql_dbg_init, vha, 0x014c,
1885                             "machine = '%s' "
1886                             "domainname = '%s', hostdriver = '%s'\n",
1887                             phost_info->machine,
1888                             phost_info->domainname,
1889                             phost_info->hostdriver);
1890                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1891                             (uint8_t *)phost_info,
1892                             sizeof(struct host_system_info));
1893                 }
1894         }
1895
1896         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1897                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1898                     fdisc->u.fxiocb.rsp_len,
1899                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1900                 if (!fdisc->u.fxiocb.rsp_addr)
1901                         goto done_unmap_req;
1902         }
1903
1904         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1905         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1906         sp->done = qla2x00_fxdisc_sp_done;
1907
1908         rval = qla2x00_start_sp(sp);
1909         if (rval != QLA_SUCCESS)
1910                 goto done_unmap_dma;
1911
1912         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1913
1914         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1915                 struct config_info_data *pinfo =
1916                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1917                 strcpy(vha->hw->model_number, pinfo->model_num);
1918                 strcpy(vha->hw->model_desc, pinfo->model_description);
1919                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1920                     sizeof(vha->hw->mr.symbolic_name));
1921                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1922                     sizeof(vha->hw->mr.serial_num));
1923                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1924                     sizeof(vha->hw->mr.hw_version));
1925                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1926                     sizeof(vha->hw->mr.fw_version));
1927                 strim(vha->hw->mr.fw_version);
1928                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1929                     sizeof(vha->hw->mr.uboot_version));
1930                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1931                     sizeof(vha->hw->mr.fru_serial_num));
1932                 vha->hw->mr.critical_temperature =
1933                     (pinfo->nominal_temp_value) ?
1934                     pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1935                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1936                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1937         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1938                 struct port_info_data *pinfo =
1939                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1940                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1941                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1942                 vha->d_id.b.domain = pinfo->port_id[0];
1943                 vha->d_id.b.area = pinfo->port_id[1];
1944                 vha->d_id.b.al_pa = pinfo->port_id[2];
1945                 qlafx00_update_host_attr(vha, pinfo);
1946                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1947                     (uint8_t *)pinfo, 16);
1948         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1949                 struct qlafx00_tgt_node_info *pinfo =
1950                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1951                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1952                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1953                 fcport->port_type = FCT_TARGET;
1954                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1955                     (uint8_t *)pinfo, 16);
1956         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1957                 struct qlafx00_tgt_node_info *pinfo =
1958                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1959                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1960                     (uint8_t *)pinfo, 16);
1961                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1962         } else if (fx_type == FXDISC_ABORT_IOCTL)
1963                 fdisc->u.fxiocb.result =
1964                     (fdisc->u.fxiocb.result ==
1965                         cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ?
1966                     cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
1967
1968         rval = le32_to_cpu(fdisc->u.fxiocb.result);
1969
1970 done_unmap_dma:
1971         if (fdisc->u.fxiocb.rsp_addr)
1972                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
1973                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
1974
1975 done_unmap_req:
1976         if (fdisc->u.fxiocb.req_addr)
1977                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
1978                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
1979 done_free_sp:
1980         sp->free(sp);
1981 done:
1982         return rval;
1983 }
1984
1985 /*
1986  * qlafx00_initialize_adapter
1987  *      Initialize board.
1988  *
1989  * Input:
1990  *      ha = adapter block pointer.
1991  *
1992  * Returns:
1993  *      0 = success
1994  */
1995 int
1996 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
1997 {
1998         int     rval;
1999         struct qla_hw_data *ha = vha->hw;
2000         uint32_t tempc;
2001
2002         /* Clear adapter flags. */
2003         vha->flags.online = 0;
2004         ha->flags.chip_reset_done = 0;
2005         vha->flags.reset_active = 0;
2006         ha->flags.pci_channel_io_perm_failure = 0;
2007         ha->flags.eeh_busy = 0;
2008         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2009         atomic_set(&vha->loop_state, LOOP_DOWN);
2010         vha->device_flags = DFLG_NO_CABLE;
2011         vha->dpc_flags = 0;
2012         vha->flags.management_server_logged_in = 0;
2013         ha->isp_abort_cnt = 0;
2014         ha->beacon_blink_led = 0;
2015
2016         set_bit(0, ha->req_qid_map);
2017         set_bit(0, ha->rsp_qid_map);
2018
2019         ql_dbg(ql_dbg_init, vha, 0x0147,
2020             "Configuring PCI space...\n");
2021
2022         rval = ha->isp_ops->pci_config(vha);
2023         if (rval) {
2024                 ql_log(ql_log_warn, vha, 0x0148,
2025                     "Unable to configure PCI space.\n");
2026                 return rval;
2027         }
2028
2029         rval = qlafx00_init_fw_ready(vha);
2030         if (rval != QLA_SUCCESS)
2031                 return rval;
2032
2033         qlafx00_save_queue_ptrs(vha);
2034
2035         rval = qlafx00_config_queues(vha);
2036         if (rval != QLA_SUCCESS)
2037                 return rval;
2038
2039         /*
2040          * Allocate the array of outstanding commands
2041          * now that we know the firmware resources.
2042          */
2043         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2044         if (rval != QLA_SUCCESS)
2045                 return rval;
2046
2047         rval = qla2x00_init_rings(vha);
2048         ha->flags.chip_reset_done = 1;
2049
2050         tempc = QLAFX00_GET_TEMPERATURE(ha);
2051         ql_dbg(ql_dbg_init, vha, 0x0152,
2052             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2053             __func__, tempc);
2054
2055         return rval;
2056 }
2057
2058 uint32_t
2059 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2060                       char *buf)
2061 {
2062         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2063         int rval = QLA_FUNCTION_FAILED;
2064         uint32_t state[1];
2065
2066         if (qla2x00_reset_active(vha))
2067                 ql_log(ql_log_warn, vha, 0x70ce,
2068                     "ISP reset active.\n");
2069         else if (!vha->hw->flags.eeh_busy) {
2070                 rval = qlafx00_get_firmware_state(vha, state);
2071         }
2072         if (rval != QLA_SUCCESS)
2073                 memset(state, -1, sizeof(state));
2074
2075         return state[0];
2076 }
2077
2078 void
2079 qlafx00_get_host_speed(struct Scsi_Host *shost)
2080 {
2081         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2082                                         (shost_priv(shost)))->hw;
2083         u32 speed = FC_PORTSPEED_UNKNOWN;
2084
2085         switch (ha->link_data_rate) {
2086         case QLAFX00_PORT_SPEED_2G:
2087                 speed = FC_PORTSPEED_2GBIT;
2088                 break;
2089         case QLAFX00_PORT_SPEED_4G:
2090                 speed = FC_PORTSPEED_4GBIT;
2091                 break;
2092         case QLAFX00_PORT_SPEED_8G:
2093                 speed = FC_PORTSPEED_8GBIT;
2094                 break;
2095         case QLAFX00_PORT_SPEED_10G:
2096                 speed = FC_PORTSPEED_10GBIT;
2097                 break;
2098         }
2099         fc_host_speed(shost) = speed;
2100 }
2101
2102 /** QLAFX00 specific ISR implementation functions */
2103
2104 static inline void
2105 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2106                      uint32_t sense_len, struct rsp_que *rsp, int res)
2107 {
2108         struct scsi_qla_host *vha = sp->vha;
2109         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2110         uint32_t track_sense_len;
2111
2112         SET_FW_SENSE_LEN(sp, sense_len);
2113
2114         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2115                 sense_len = SCSI_SENSE_BUFFERSIZE;
2116
2117         SET_CMD_SENSE_LEN(sp, sense_len);
2118         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2119         track_sense_len = sense_len;
2120
2121         if (sense_len > par_sense_len)
2122                 sense_len = par_sense_len;
2123
2124         memcpy(cp->sense_buffer, sense_data, sense_len);
2125
2126         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2127
2128         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2129         track_sense_len -= sense_len;
2130         SET_CMD_SENSE_LEN(sp, track_sense_len);
2131
2132         ql_dbg(ql_dbg_io, vha, 0x304d,
2133             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2134             sense_len, par_sense_len, track_sense_len);
2135         if (GET_FW_SENSE_LEN(sp) > 0) {
2136                 rsp->status_srb = sp;
2137                 cp->result = res;
2138         }
2139
2140         if (sense_len) {
2141                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2142                     "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2143                     sp->vha->host_no, cp->device->id, cp->device->lun,
2144                     cp);
2145                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2146                     cp->sense_buffer, sense_len);
2147         }
2148 }
2149
2150 static void
2151 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2152                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2153                       __le16 sstatus, __le16 cpstatus)
2154 {
2155         struct srb_iocb *tmf;
2156
2157         tmf = &sp->u.iocb_cmd;
2158         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2159             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2160                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2161         tmf->u.tmf.comp_status = cpstatus;
2162         sp->done(sp, 0);
2163 }
2164
2165 static void
2166 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2167                          struct abort_iocb_entry_fx00 *pkt)
2168 {
2169         const char func[] = "ABT_IOCB";
2170         srb_t *sp;
2171         struct srb_iocb *abt;
2172
2173         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2174         if (!sp)
2175                 return;
2176
2177         abt = &sp->u.iocb_cmd;
2178         abt->u.abt.comp_status = pkt->tgt_id_sts;
2179         sp->done(sp, 0);
2180 }
2181
2182 static void
2183 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2184                          struct ioctl_iocb_entry_fx00 *pkt)
2185 {
2186         const char func[] = "IOSB_IOCB";
2187         srb_t *sp;
2188         struct bsg_job *bsg_job;
2189         struct fc_bsg_reply *bsg_reply;
2190         struct srb_iocb *iocb_job;
2191         int res;
2192         struct qla_mt_iocb_rsp_fx00 fstatus;
2193         uint8_t *fw_sts_ptr;
2194
2195         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2196         if (!sp)
2197                 return;
2198
2199         if (sp->type == SRB_FXIOCB_DCMD) {
2200                 iocb_job = &sp->u.iocb_cmd;
2201                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2202                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2203                 iocb_job->u.fxiocb.result = pkt->status;
2204                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2205                         iocb_job->u.fxiocb.req_data =
2206                             pkt->dataword_r;
2207         } else {
2208                 bsg_job = sp->u.bsg_job;
2209                 bsg_reply = bsg_job->reply;
2210
2211                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2212
2213                 fstatus.reserved_1 = pkt->reserved_0;
2214                 fstatus.func_type = pkt->comp_func_num;
2215                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2216                 fstatus.ioctl_data = pkt->dataword_r;
2217                 fstatus.adapid = pkt->adapid;
2218                 fstatus.reserved_2 = pkt->dataword_r_extra;
2219                 fstatus.res_count = pkt->residuallen;
2220                 fstatus.status = pkt->status;
2221                 fstatus.seq_number = pkt->seq_no;
2222                 memcpy(fstatus.reserved_3,
2223                     pkt->reserved_2, 20 * sizeof(uint8_t));
2224
2225                 fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
2226
2227                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2228                     sizeof(struct qla_mt_iocb_rsp_fx00));
2229                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2230                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2231
2232                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2233                     sp->fcport->vha, 0x5080,
2234                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2235
2236                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2237                     sp->fcport->vha, 0x5074,
2238                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2239
2240                 res = bsg_reply->result = DID_OK << 16;
2241                 bsg_reply->reply_payload_rcv_len =
2242                     bsg_job->reply_payload.payload_len;
2243         }
2244         sp->done(sp, res);
2245 }
2246
2247 /**
2248  * qlafx00_status_entry() - Process a Status IOCB entry.
2249  * @ha: SCSI driver HA context
2250  * @pkt: Entry pointer
2251  */
2252 static void
2253 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2254 {
2255         srb_t           *sp;
2256         fc_port_t       *fcport;
2257         struct scsi_cmnd *cp;
2258         struct sts_entry_fx00 *sts;
2259         __le16          comp_status;
2260         __le16          scsi_status;
2261         __le16          lscsi_status;
2262         int32_t         resid;
2263         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2264             fw_resid_len;
2265         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2266         struct qla_hw_data *ha = vha->hw;
2267         uint32_t hindex, handle;
2268         uint16_t que;
2269         struct req_que *req;
2270         int logit = 1;
2271         int res = 0;
2272
2273         sts = (struct sts_entry_fx00 *) pkt;
2274
2275         comp_status = sts->comp_status;
2276         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2277         hindex = sts->handle;
2278         handle = LSW(hindex);
2279
2280         que = MSW(hindex);
2281         req = ha->req_q_map[que];
2282
2283         /* Validate handle. */
2284         if (handle < req->num_outstanding_cmds)
2285                 sp = req->outstanding_cmds[handle];
2286         else
2287                 sp = NULL;
2288
2289         if (sp == NULL) {
2290                 ql_dbg(ql_dbg_io, vha, 0x3034,
2291                     "Invalid status handle (0x%x).\n", handle);
2292
2293                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2294                 qla2xxx_wake_dpc(vha);
2295                 return;
2296         }
2297
2298         if (sp->type == SRB_TM_CMD) {
2299                 req->outstanding_cmds[handle] = NULL;
2300                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2301                     scsi_status, comp_status);
2302                 return;
2303         }
2304
2305         /* Fast path completion. */
2306         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2307                 qla2x00_process_completed_request(vha, req, handle);
2308                 return;
2309         }
2310
2311         req->outstanding_cmds[handle] = NULL;
2312         cp = GET_CMD_SP(sp);
2313         if (cp == NULL) {
2314                 ql_dbg(ql_dbg_io, vha, 0x3048,
2315                     "Command already returned (0x%x/%p).\n",
2316                     handle, sp);
2317
2318                 return;
2319         }
2320
2321         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2322
2323         fcport = sp->fcport;
2324
2325         sense_len = par_sense_len = rsp_info_len = resid_len =
2326                 fw_resid_len = 0;
2327         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2328                 sense_len = sts->sense_len;
2329         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2330             | (uint16_t)SS_RESIDUAL_OVER)))
2331                 resid_len = le32_to_cpu(sts->residual_len);
2332         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2333                 fw_resid_len = le32_to_cpu(sts->residual_len);
2334         rsp_info = sense_data = sts->data;
2335         par_sense_len = sizeof(sts->data);
2336
2337         /* Check for overrun. */
2338         if (comp_status == CS_COMPLETE &&
2339             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2340                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2341
2342         /*
2343          * Based on Host and scsi status generate status code for Linux
2344          */
2345         switch (le16_to_cpu(comp_status)) {
2346         case CS_COMPLETE:
2347         case CS_QUEUE_FULL:
2348                 if (scsi_status == 0) {
2349                         res = DID_OK << 16;
2350                         break;
2351                 }
2352                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2353                     | (uint16_t)SS_RESIDUAL_OVER))) {
2354                         resid = resid_len;
2355                         scsi_set_resid(cp, resid);
2356
2357                         if (!lscsi_status &&
2358                             ((unsigned)(scsi_bufflen(cp) - resid) <
2359                              cp->underflow)) {
2360                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2361                                     "Mid-layer underflow "
2362                                     "detected (0x%x of 0x%x bytes).\n",
2363                                     resid, scsi_bufflen(cp));
2364
2365                                 res = DID_ERROR << 16;
2366                                 break;
2367                         }
2368                 }
2369                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2370
2371                 if (lscsi_status ==
2372                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2373                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2374                             "QUEUE FULL detected.\n");
2375                         break;
2376                 }
2377                 logit = 0;
2378                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2379                         break;
2380
2381                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2382                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2383                         break;
2384
2385                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2386                     rsp, res);
2387                 break;
2388
2389         case CS_DATA_UNDERRUN:
2390                 /* Use F/W calculated residual length. */
2391                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2392                         resid = fw_resid_len;
2393                 else
2394                         resid = resid_len;
2395                 scsi_set_resid(cp, resid);
2396                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2397                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2398                             && fw_resid_len != resid_len) {
2399                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2400                                     "Dropped frame(s) detected "
2401                                     "(0x%x of 0x%x bytes).\n",
2402                                     resid, scsi_bufflen(cp));
2403
2404                                 res = DID_ERROR << 16 |
2405                                     le16_to_cpu(lscsi_status);
2406                                 goto check_scsi_status;
2407                         }
2408
2409                         if (!lscsi_status &&
2410                             ((unsigned)(scsi_bufflen(cp) - resid) <
2411                             cp->underflow)) {
2412                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2413                                     "Mid-layer underflow "
2414                                     "detected (0x%x of 0x%x bytes, "
2415                                     "cp->underflow: 0x%x).\n",
2416                                     resid, scsi_bufflen(cp), cp->underflow);
2417
2418                                 res = DID_ERROR << 16;
2419                                 break;
2420                         }
2421                 } else if (lscsi_status !=
2422                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2423                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2424                         /*
2425                          * scsi status of task set and busy are considered
2426                          * to be task not completed.
2427                          */
2428
2429                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2430                             "Dropped frame(s) detected (0x%x "
2431                             "of 0x%x bytes).\n", resid,
2432                             scsi_bufflen(cp));
2433
2434                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2435                         goto check_scsi_status;
2436                 } else {
2437                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2438                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2439                             scsi_status, lscsi_status);
2440                 }
2441
2442                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2443                 logit = 0;
2444
2445 check_scsi_status:
2446                 /*
2447                  * Check to see if SCSI Status is non zero. If so report SCSI
2448                  * Status.
2449                  */
2450                 if (lscsi_status != 0) {
2451                         if (lscsi_status ==
2452                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2453                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2454                                     "QUEUE FULL detected.\n");
2455                                 logit = 1;
2456                                 break;
2457                         }
2458                         if (lscsi_status !=
2459                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2460                                 break;
2461
2462                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2463                         if (!(scsi_status &
2464                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2465                                 break;
2466
2467                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2468                             sense_len, rsp, res);
2469                 }
2470                 break;
2471
2472         case CS_PORT_LOGGED_OUT:
2473         case CS_PORT_CONFIG_CHG:
2474         case CS_PORT_BUSY:
2475         case CS_INCOMPLETE:
2476         case CS_PORT_UNAVAILABLE:
2477         case CS_TIMEOUT:
2478         case CS_RESET:
2479
2480                 /*
2481                  * We are going to have the fc class block the rport
2482                  * while we try to recover so instruct the mid layer
2483                  * to requeue until the class decides how to handle this.
2484                  */
2485                 res = DID_TRANSPORT_DISRUPTED << 16;
2486
2487                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2488                     "Port down status: port-state=0x%x.\n",
2489                     atomic_read(&fcport->state));
2490
2491                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2492                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2493                 break;
2494
2495         case CS_ABORTED:
2496                 res = DID_RESET << 16;
2497                 break;
2498
2499         default:
2500                 res = DID_ERROR << 16;
2501                 break;
2502         }
2503
2504         if (logit)
2505                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2506                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2507                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2508                     "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2509                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2510                     comp_status, scsi_status, res, vha->host_no,
2511                     cp->device->id, cp->device->lun, fcport->tgt_id,
2512                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2513                     rsp_info, resid_len, fw_resid_len, sense_len,
2514                     par_sense_len, rsp_info_len);
2515
2516         if (rsp->status_srb == NULL)
2517                 sp->done(sp, res);
2518 }
2519
2520 /**
2521  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2522  * @ha: SCSI driver HA context
2523  * @pkt: Entry pointer
2524  *
2525  * Extended sense data.
2526  */
2527 static void
2528 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2529 {
2530         uint8_t sense_sz = 0;
2531         struct qla_hw_data *ha = rsp->hw;
2532         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2533         srb_t *sp = rsp->status_srb;
2534         struct scsi_cmnd *cp;
2535         uint32_t sense_len;
2536         uint8_t *sense_ptr;
2537
2538         if (!sp) {
2539                 ql_dbg(ql_dbg_io, vha, 0x3037,
2540                     "no SP, sp = %p\n", sp);
2541                 return;
2542         }
2543
2544         if (!GET_FW_SENSE_LEN(sp)) {
2545                 ql_dbg(ql_dbg_io, vha, 0x304b,
2546                     "no fw sense data, sp = %p\n", sp);
2547                 return;
2548         }
2549         cp = GET_CMD_SP(sp);
2550         if (cp == NULL) {
2551                 ql_log(ql_log_warn, vha, 0x303b,
2552                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2553
2554                 rsp->status_srb = NULL;
2555                 return;
2556         }
2557
2558         if (!GET_CMD_SENSE_LEN(sp)) {
2559                 ql_dbg(ql_dbg_io, vha, 0x304c,
2560                     "no sense data, sp = %p\n", sp);
2561         } else {
2562                 sense_len = GET_CMD_SENSE_LEN(sp);
2563                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2564                 ql_dbg(ql_dbg_io, vha, 0x304f,
2565                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2566                     sp, sense_len, sense_ptr);
2567
2568                 if (sense_len > sizeof(pkt->data))
2569                         sense_sz = sizeof(pkt->data);
2570                 else
2571                         sense_sz = sense_len;
2572
2573                 /* Move sense data. */
2574                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2575                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2576                 memcpy(sense_ptr, pkt->data, sense_sz);
2577                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2578                     sense_ptr, sense_sz);
2579
2580                 sense_len -= sense_sz;
2581                 sense_ptr += sense_sz;
2582
2583                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2584                 SET_CMD_SENSE_LEN(sp, sense_len);
2585         }
2586         sense_len = GET_FW_SENSE_LEN(sp);
2587         sense_len = (sense_len > sizeof(pkt->data)) ?
2588             (sense_len - sizeof(pkt->data)) : 0;
2589         SET_FW_SENSE_LEN(sp, sense_len);
2590
2591         /* Place command on done queue. */
2592         if (sense_len == 0) {
2593                 rsp->status_srb = NULL;
2594                 sp->done(sp, cp->result);
2595         }
2596 }
2597
2598 /**
2599  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2600  * @ha: SCSI driver HA context
2601  */
2602 static void
2603 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2604         struct rsp_que *rsp, void *pkt)
2605 {
2606         srb_t           *sp;
2607         struct multi_sts_entry_fx00 *stsmfx;
2608         struct qla_hw_data *ha = vha->hw;
2609         uint32_t handle, hindex, handle_count, i;
2610         uint16_t que;
2611         struct req_que *req;
2612         __le32 *handle_ptr;
2613
2614         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2615
2616         handle_count = stsmfx->handle_count;
2617
2618         if (handle_count > MAX_HANDLE_COUNT) {
2619                 ql_dbg(ql_dbg_io, vha, 0x3035,
2620                     "Invalid handle count (0x%x).\n", handle_count);
2621                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2622                 qla2xxx_wake_dpc(vha);
2623                 return;
2624         }
2625
2626         handle_ptr =  &stsmfx->handles[0];
2627
2628         for (i = 0; i < handle_count; i++) {
2629                 hindex = le32_to_cpu(*handle_ptr);
2630                 handle = LSW(hindex);
2631                 que = MSW(hindex);
2632                 req = ha->req_q_map[que];
2633
2634                 /* Validate handle. */
2635                 if (handle < req->num_outstanding_cmds)
2636                         sp = req->outstanding_cmds[handle];
2637                 else
2638                         sp = NULL;
2639
2640                 if (sp == NULL) {
2641                         ql_dbg(ql_dbg_io, vha, 0x3044,
2642                             "Invalid status handle (0x%x).\n", handle);
2643                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2644                         qla2xxx_wake_dpc(vha);
2645                         return;
2646                 }
2647                 qla2x00_process_completed_request(vha, req, handle);
2648                 handle_ptr++;
2649         }
2650 }
2651
2652 /**
2653  * qlafx00_error_entry() - Process an error entry.
2654  * @ha: SCSI driver HA context
2655  * @pkt: Entry pointer
2656  */
2657 static void
2658 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2659                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2660 {
2661         srb_t *sp;
2662         struct qla_hw_data *ha = vha->hw;
2663         const char func[] = "ERROR-IOCB";
2664         uint16_t que = 0;
2665         struct req_que *req = NULL;
2666         int res = DID_ERROR << 16;
2667
2668         ql_dbg(ql_dbg_async, vha, 0x507f,
2669             "type of error status in response: 0x%x\n", estatus);
2670
2671         req = ha->req_q_map[que];
2672
2673         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2674         if (sp) {
2675                 sp->done(sp, res);
2676                 return;
2677         }
2678
2679         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2680         qla2xxx_wake_dpc(vha);
2681 }
2682
2683 /**
2684  * qlafx00_process_response_queue() - Process response queue entries.
2685  * @ha: SCSI driver HA context
2686  */
2687 static void
2688 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2689         struct rsp_que *rsp)
2690 {
2691         struct sts_entry_fx00 *pkt;
2692         response_t *lptr;
2693         uint16_t lreq_q_in = 0;
2694         uint16_t lreq_q_out = 0;
2695
2696         lreq_q_in = RD_REG_DWORD(rsp->rsp_q_in);
2697         lreq_q_out = rsp->ring_index;
2698
2699         while (lreq_q_in != lreq_q_out) {
2700                 lptr = rsp->ring_ptr;
2701                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2702                     sizeof(rsp->rsp_pkt));
2703                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2704
2705                 rsp->ring_index++;
2706                 lreq_q_out++;
2707                 if (rsp->ring_index == rsp->length) {
2708                         lreq_q_out = 0;
2709                         rsp->ring_index = 0;
2710                         rsp->ring_ptr = rsp->ring;
2711                 } else {
2712                         rsp->ring_ptr++;
2713                 }
2714
2715                 if (pkt->entry_status != 0 &&
2716                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2717                         qlafx00_error_entry(vha, rsp,
2718                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2719                             pkt->entry_type);
2720                         continue;
2721                 }
2722
2723                 switch (pkt->entry_type) {
2724                 case STATUS_TYPE_FX00:
2725                         qlafx00_status_entry(vha, rsp, pkt);
2726                         break;
2727
2728                 case STATUS_CONT_TYPE_FX00:
2729                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2730                         break;
2731
2732                 case MULTI_STATUS_TYPE_FX00:
2733                         qlafx00_multistatus_entry(vha, rsp, pkt);
2734                         break;
2735
2736                 case ABORT_IOCB_TYPE_FX00:
2737                         qlafx00_abort_iocb_entry(vha, rsp->req,
2738                            (struct abort_iocb_entry_fx00 *)pkt);
2739                         break;
2740
2741                 case IOCTL_IOSB_TYPE_FX00:
2742                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2743                             (struct ioctl_iocb_entry_fx00 *)pkt);
2744                         break;
2745                 default:
2746                         /* Type Not Supported. */
2747                         ql_dbg(ql_dbg_async, vha, 0x5081,
2748                             "Received unknown response pkt type %x "
2749                             "entry status=%x.\n",
2750                             pkt->entry_type, pkt->entry_status);
2751                         break;
2752                 }
2753         }
2754
2755         /* Adjust ring index */
2756         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2757 }
2758
2759 /**
2760  * qlafx00_async_event() - Process aynchronous events.
2761  * @ha: SCSI driver HA context
2762  */
2763 static void
2764 qlafx00_async_event(scsi_qla_host_t *vha)
2765 {
2766         struct qla_hw_data *ha = vha->hw;
2767         struct device_reg_fx00 __iomem *reg;
2768         int data_size = 1;
2769
2770         reg = &ha->iobase->ispfx00;
2771         /* Setup to process RIO completion. */
2772         switch (ha->aenmb[0]) {
2773         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2774                 ql_log(ql_log_warn, vha, 0x5079,
2775                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2776                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2777                 break;
2778
2779         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2780                 ql_dbg(ql_dbg_async, vha, 0x5076,
2781                     "Asynchronous FW shutdown requested.\n");
2782                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2783                 qla2xxx_wake_dpc(vha);
2784                 break;
2785
2786         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2787                 ha->aenmb[1] = RD_REG_DWORD(&reg->aenmailbox1);
2788                 ha->aenmb[2] = RD_REG_DWORD(&reg->aenmailbox2);
2789                 ha->aenmb[3] = RD_REG_DWORD(&reg->aenmailbox3);
2790                 ql_dbg(ql_dbg_async, vha, 0x5077,
2791                     "Asynchronous port Update received "
2792                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2793                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2794                 data_size = 4;
2795                 break;
2796
2797         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2798                 ql_log(ql_log_info, vha, 0x5085,
2799                     "Asynchronous over temperature event received "
2800                     "aenmb[0]: %x\n",
2801                     ha->aenmb[0]);
2802                 break;
2803
2804         case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2805                 ql_log(ql_log_info, vha, 0x5086,
2806                     "Asynchronous normal temperature event received "
2807                     "aenmb[0]: %x\n",
2808                     ha->aenmb[0]);
2809                 break;
2810
2811         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2812                 ql_log(ql_log_info, vha, 0x5083,
2813                     "Asynchronous critical temperature event received "
2814                     "aenmb[0]: %x\n",
2815                 ha->aenmb[0]);
2816                 break;
2817
2818         default:
2819                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2820                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2821                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2822                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2823                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2824                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2825                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2826                 ql_dbg(ql_dbg_async, vha, 0x5078,
2827                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2828                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2829                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2830                 break;
2831         }
2832         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2833             (uint32_t *)ha->aenmb, data_size);
2834 }
2835
2836 /**
2837  *
2838  * qlafx00x_mbx_completion() - Process mailbox command completions.
2839  * @ha: SCSI driver HA context
2840  * @mb16: Mailbox16 register
2841  */
2842 static void
2843 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2844 {
2845         uint16_t        cnt;
2846         uint32_t __iomem *wptr;
2847         struct qla_hw_data *ha = vha->hw;
2848         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2849
2850         if (!ha->mcp32)
2851                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2852
2853         /* Load return mailbox registers. */
2854         ha->flags.mbox_int = 1;
2855         ha->mailbox_out32[0] = mb0;
2856         wptr = (uint32_t __iomem *)&reg->mailbox17;
2857
2858         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2859                 ha->mailbox_out32[cnt] = RD_REG_DWORD(wptr);
2860                 wptr++;
2861         }
2862 }
2863
2864 /**
2865  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2866  * @irq:
2867  * @dev_id: SCSI driver HA context
2868  *
2869  * Called by system whenever the host adapter generates an interrupt.
2870  *
2871  * Returns handled flag.
2872  */
2873 irqreturn_t
2874 qlafx00_intr_handler(int irq, void *dev_id)
2875 {
2876         scsi_qla_host_t *vha;
2877         struct qla_hw_data *ha;
2878         struct device_reg_fx00 __iomem *reg;
2879         int             status;
2880         unsigned long   iter;
2881         uint32_t        stat;
2882         uint32_t        mb[8];
2883         struct rsp_que *rsp;
2884         unsigned long   flags;
2885         uint32_t clr_intr = 0;
2886         uint32_t intr_stat = 0;
2887
2888         rsp = (struct rsp_que *) dev_id;
2889         if (!rsp) {
2890                 ql_log(ql_log_info, NULL, 0x507d,
2891                     "%s: NULL response queue pointer.\n", __func__);
2892                 return IRQ_NONE;
2893         }
2894
2895         ha = rsp->hw;
2896         reg = &ha->iobase->ispfx00;
2897         status = 0;
2898
2899         if (unlikely(pci_channel_offline(ha->pdev)))
2900                 return IRQ_HANDLED;
2901
2902         spin_lock_irqsave(&ha->hardware_lock, flags);
2903         vha = pci_get_drvdata(ha->pdev);
2904         for (iter = 50; iter--; clr_intr = 0) {
2905                 stat = QLAFX00_RD_INTR_REG(ha);
2906                 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2907                         break;
2908                 intr_stat = stat & QLAFX00_HST_INT_STS_BITS;
2909                 if (!intr_stat)
2910                         break;
2911
2912                 if (stat & QLAFX00_INTR_MB_CMPLT) {
2913                         mb[0] = RD_REG_WORD(&reg->mailbox16);
2914                         qlafx00_mbx_completion(vha, mb[0]);
2915                         status |= MBX_INTERRUPT;
2916                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
2917                 }
2918                 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) {
2919                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
2920                         qlafx00_async_event(vha);
2921                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
2922                 }
2923                 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) {
2924                         qlafx00_process_response_queue(vha, rsp);
2925                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
2926                 }
2927
2928                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
2929                 QLAFX00_RD_INTR_REG(ha);
2930         }
2931
2932         qla2x00_handle_mbx_completion(ha, status);
2933         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2934
2935         return IRQ_HANDLED;
2936 }
2937
2938 /** QLAFX00 specific IOCB implementation functions */
2939
2940 static inline cont_a64_entry_t *
2941 qlafx00_prep_cont_type1_iocb(struct req_que *req,
2942                              cont_a64_entry_t *lcont_pkt)
2943 {
2944         cont_a64_entry_t *cont_pkt;
2945
2946         /* Adjust ring index. */
2947         req->ring_index++;
2948         if (req->ring_index == req->length) {
2949                 req->ring_index = 0;
2950                 req->ring_ptr = req->ring;
2951         } else {
2952                 req->ring_ptr++;
2953         }
2954
2955         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
2956
2957         /* Load packet defaults. */
2958         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
2959
2960         return cont_pkt;
2961 }
2962
2963 static inline void
2964 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
2965                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
2966 {
2967         uint16_t        avail_dsds;
2968         __le32 *cur_dsd;
2969         scsi_qla_host_t *vha;
2970         struct scsi_cmnd *cmd;
2971         struct scatterlist *sg;
2972         int i, cont;
2973         struct req_que *req;
2974         cont_a64_entry_t lcont_pkt;
2975         cont_a64_entry_t *cont_pkt;
2976
2977         vha = sp->vha;
2978         req = vha->req;
2979
2980         cmd = GET_CMD_SP(sp);
2981         cont = 0;
2982         cont_pkt = NULL;
2983
2984         /* Update entry type to indicate Command Type 3 IOCB */
2985         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
2986
2987         /* No data transfer */
2988         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
2989                 lcmd_pkt->byte_count = cpu_to_le32(0);
2990                 return;
2991         }
2992
2993         /* Set transfer direction */
2994         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
2995                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
2996                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
2997         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
2998                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
2999                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3000         }
3001
3002         /* One DSD is available in the Command Type 3 IOCB */
3003         avail_dsds = 1;
3004         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3005
3006         /* Load data segments */
3007         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3008                 dma_addr_t      sle_dma;
3009
3010                 /* Allocate additional continuation packets? */
3011                 if (avail_dsds == 0) {
3012                         /*
3013                          * Five DSDs are available in the Continuation
3014                          * Type 1 IOCB.
3015                          */
3016                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3017                         cont_pkt =
3018                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3019                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3020                         avail_dsds = 5;
3021                         cont = 1;
3022                 }
3023
3024                 sle_dma = sg_dma_address(sg);
3025                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3026                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3027                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3028                 avail_dsds--;
3029                 if (avail_dsds == 0 && cont == 1) {
3030                         cont = 0;
3031                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3032                             REQUEST_ENTRY_SIZE);
3033                 }
3034
3035         }
3036         if (avail_dsds != 0 && cont == 1) {
3037                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3038                     REQUEST_ENTRY_SIZE);
3039         }
3040 }
3041
3042 /**
3043  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3044  * @sp: command to send to the ISP
3045  *
3046  * Returns non-zero if a failure occurred, else zero.
3047  */
3048 int
3049 qlafx00_start_scsi(srb_t *sp)
3050 {
3051         int             nseg;
3052         unsigned long   flags;
3053         uint32_t        index;
3054         uint32_t        handle;
3055         uint16_t        cnt;
3056         uint16_t        req_cnt;
3057         uint16_t        tot_dsds;
3058         struct req_que *req = NULL;
3059         struct rsp_que *rsp = NULL;
3060         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3061         struct scsi_qla_host *vha = sp->vha;
3062         struct qla_hw_data *ha = vha->hw;
3063         struct cmd_type_7_fx00 *cmd_pkt;
3064         struct cmd_type_7_fx00 lcmd_pkt;
3065         struct scsi_lun llun;
3066
3067         /* Setup device pointers. */
3068         rsp = ha->rsp_q_map[0];
3069         req = vha->req;
3070
3071         /* So we know we haven't pci_map'ed anything yet */
3072         tot_dsds = 0;
3073
3074         /* Acquire ring specific lock */
3075         spin_lock_irqsave(&ha->hardware_lock, flags);
3076
3077         /* Check for room in outstanding command list. */
3078         handle = req->current_outstanding_cmd;
3079         for (index = 1; index < req->num_outstanding_cmds; index++) {
3080                 handle++;
3081                 if (handle == req->num_outstanding_cmds)
3082                         handle = 1;
3083                 if (!req->outstanding_cmds[handle])
3084                         break;
3085         }
3086         if (index == req->num_outstanding_cmds)
3087                 goto queuing_error;
3088
3089         /* Map the sg table so we have an accurate count of sg entries needed */
3090         if (scsi_sg_count(cmd)) {
3091                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3092                     scsi_sg_count(cmd), cmd->sc_data_direction);
3093                 if (unlikely(!nseg))
3094                         goto queuing_error;
3095         } else
3096                 nseg = 0;
3097
3098         tot_dsds = nseg;
3099         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3100         if (req->cnt < (req_cnt + 2)) {
3101                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3102
3103                 if (req->ring_index < cnt)
3104                         req->cnt = cnt - req->ring_index;
3105                 else
3106                         req->cnt = req->length -
3107                                 (req->ring_index - cnt);
3108                 if (req->cnt < (req_cnt + 2))
3109                         goto queuing_error;
3110         }
3111
3112         /* Build command packet. */
3113         req->current_outstanding_cmd = handle;
3114         req->outstanding_cmds[handle] = sp;
3115         sp->handle = handle;
3116         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3117         req->cnt -= req_cnt;
3118
3119         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3120
3121         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3122
3123         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3124         lcmd_pkt.reserved_0 = 0;
3125         lcmd_pkt.port_path_ctrl = 0;
3126         lcmd_pkt.reserved_1 = 0;
3127         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3128         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3129
3130         int_to_scsilun(cmd->device->lun, &llun);
3131         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3132             sizeof(lcmd_pkt.lun));
3133
3134         /* Load SCSI command packet. */
3135         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3136         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3137
3138         /* Build IOCB segments */
3139         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3140
3141         /* Set total data segment count. */
3142         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3143
3144         /* Specify response queue number where completion should happen */
3145         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3146
3147         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3148             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3149         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3150             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3151
3152         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3153         wmb();
3154
3155         /* Adjust ring index. */
3156         req->ring_index++;
3157         if (req->ring_index == req->length) {
3158                 req->ring_index = 0;
3159                 req->ring_ptr = req->ring;
3160         } else
3161                 req->ring_ptr++;
3162
3163         sp->flags |= SRB_DMA_VALID;
3164
3165         /* Set chip new ring index. */
3166         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3167         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3168
3169         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3170         return QLA_SUCCESS;
3171
3172 queuing_error:
3173         if (tot_dsds)
3174                 scsi_dma_unmap(cmd);
3175
3176         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3177
3178         return QLA_FUNCTION_FAILED;
3179 }
3180
3181 void
3182 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3183 {
3184         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3185         scsi_qla_host_t *vha = sp->vha;
3186         struct req_que *req = vha->req;
3187         struct tsk_mgmt_entry_fx00 tm_iocb;
3188         struct scsi_lun llun;
3189
3190         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3191         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3192         tm_iocb.entry_count = 1;
3193         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3194         tm_iocb.reserved_0 = 0;
3195         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3196         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3197         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3198                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3199                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3200                     sizeof(struct scsi_lun));
3201         }
3202
3203         memcpy((void *)ptm_iocb, &tm_iocb,
3204             sizeof(struct tsk_mgmt_entry_fx00));
3205         wmb();
3206 }
3207
3208 void
3209 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3210 {
3211         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3212         scsi_qla_host_t *vha = sp->vha;
3213         struct req_que *req = vha->req;
3214         struct abort_iocb_entry_fx00 abt_iocb;
3215
3216         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3217         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3218         abt_iocb.entry_count = 1;
3219         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3220         abt_iocb.abort_handle =
3221             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3222         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3223         abt_iocb.req_que_no = cpu_to_le16(req->id);
3224
3225         memcpy((void *)pabt_iocb, &abt_iocb,
3226             sizeof(struct abort_iocb_entry_fx00));
3227         wmb();
3228 }
3229
3230 void
3231 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3232 {
3233         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3234         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3235         struct bsg_job *bsg_job;
3236         struct fc_bsg_request *bsg_request;
3237         struct fxdisc_entry_fx00 fx_iocb;
3238         uint8_t entry_cnt = 1;
3239
3240         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3241         fx_iocb.entry_type = FX00_IOCB_TYPE;
3242         fx_iocb.handle = cpu_to_le32(sp->handle);
3243         fx_iocb.entry_count = entry_cnt;
3244
3245         if (sp->type == SRB_FXIOCB_DCMD) {
3246                 fx_iocb.func_num =
3247                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3248                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3249                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3250                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3251                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3252                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3253
3254                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3255                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3256                         fx_iocb.req_xfrcnt =
3257                             cpu_to_le16(fxio->u.fxiocb.req_len);
3258                         fx_iocb.dseg_rq_address[0] =
3259                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3260                         fx_iocb.dseg_rq_address[1] =
3261                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3262                         fx_iocb.dseg_rq_len =
3263                             cpu_to_le32(fxio->u.fxiocb.req_len);
3264                 }
3265
3266                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3267                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3268                         fx_iocb.rsp_xfrcnt =
3269                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3270                         fx_iocb.dseg_rsp_address[0] =
3271                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3272                         fx_iocb.dseg_rsp_address[1] =
3273                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3274                         fx_iocb.dseg_rsp_len =
3275                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3276                 }
3277
3278                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3279                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3280                 }
3281                 fx_iocb.flags = fxio->u.fxiocb.flags;
3282         } else {
3283                 struct scatterlist *sg;
3284                 bsg_job = sp->u.bsg_job;
3285                 bsg_request = bsg_job->request;
3286                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3287                         &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3288
3289                 fx_iocb.func_num = piocb_rqst->func_type;
3290                 fx_iocb.adapid = piocb_rqst->adapid;
3291                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3292                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3293                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3294                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3295                 fx_iocb.dataword = piocb_rqst->dataword;
3296                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3297                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3298
3299                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3300                         int avail_dsds, tot_dsds;
3301                         cont_a64_entry_t lcont_pkt;
3302                         cont_a64_entry_t *cont_pkt = NULL;
3303                         __le32 *cur_dsd;
3304                         int index = 0, cont = 0;
3305
3306                         fx_iocb.req_dsdcnt =
3307                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3308                         tot_dsds =
3309                             bsg_job->request_payload.sg_cnt;
3310                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3311                         avail_dsds = 1;
3312                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3313                             tot_dsds, index) {
3314                                 dma_addr_t sle_dma;
3315
3316                                 /* Allocate additional continuation packets? */
3317                                 if (avail_dsds == 0) {
3318                                         /*
3319                                          * Five DSDs are available in the Cont.
3320                                          * Type 1 IOCB.
3321                                          */
3322                                         memset(&lcont_pkt, 0,
3323                                             REQUEST_ENTRY_SIZE);
3324                                         cont_pkt =
3325                                             qlafx00_prep_cont_type1_iocb(
3326                                                 sp->vha->req, &lcont_pkt);
3327                                         cur_dsd = (__le32 *)
3328                                             lcont_pkt.dseg_0_address;
3329                                         avail_dsds = 5;
3330                                         cont = 1;
3331                                         entry_cnt++;
3332                                 }
3333
3334                                 sle_dma = sg_dma_address(sg);
3335                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3336                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3337                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3338                                 avail_dsds--;
3339
3340                                 if (avail_dsds == 0 && cont == 1) {
3341                                         cont = 0;
3342                                         memcpy_toio(
3343                                             (void __iomem *)cont_pkt,
3344                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3345                                         ql_dump_buffer(
3346                                             ql_dbg_user + ql_dbg_verbose,
3347                                             sp->vha, 0x3042,
3348                                             (uint8_t *)&lcont_pkt,
3349                                              REQUEST_ENTRY_SIZE);
3350                                 }
3351                         }
3352                         if (avail_dsds != 0 && cont == 1) {
3353                                 memcpy_toio((void __iomem *)cont_pkt,
3354                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3355                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3356                                     sp->vha, 0x3043,
3357                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3358                         }
3359                 }
3360
3361                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3362                         int avail_dsds, tot_dsds;
3363                         cont_a64_entry_t lcont_pkt;
3364                         cont_a64_entry_t *cont_pkt = NULL;
3365                         __le32 *cur_dsd;
3366                         int index = 0, cont = 0;
3367
3368                         fx_iocb.rsp_dsdcnt =
3369                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3370                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3371                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3372                         avail_dsds = 1;
3373
3374                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3375                             tot_dsds, index) {
3376                                 dma_addr_t sle_dma;
3377
3378                                 /* Allocate additional continuation packets? */
3379                                 if (avail_dsds == 0) {
3380                                         /*
3381                                         * Five DSDs are available in the Cont.
3382                                         * Type 1 IOCB.
3383                                         */
3384                                         memset(&lcont_pkt, 0,
3385                                             REQUEST_ENTRY_SIZE);
3386                                         cont_pkt =
3387                                             qlafx00_prep_cont_type1_iocb(
3388                                                 sp->vha->req, &lcont_pkt);
3389                                         cur_dsd = (__le32 *)
3390                                             lcont_pkt.dseg_0_address;
3391                                         avail_dsds = 5;
3392                                         cont = 1;
3393                                         entry_cnt++;
3394                                 }
3395
3396                                 sle_dma = sg_dma_address(sg);
3397                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3398                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3399                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3400                                 avail_dsds--;
3401
3402                                 if (avail_dsds == 0 && cont == 1) {
3403                                         cont = 0;
3404                                         memcpy_toio((void __iomem *)cont_pkt,
3405                                             &lcont_pkt,
3406                                             REQUEST_ENTRY_SIZE);
3407                                         ql_dump_buffer(
3408                                             ql_dbg_user + ql_dbg_verbose,
3409                                             sp->vha, 0x3045,
3410                                             (uint8_t *)&lcont_pkt,
3411                                             REQUEST_ENTRY_SIZE);
3412                                 }
3413                         }
3414                         if (avail_dsds != 0 && cont == 1) {
3415                                 memcpy_toio((void __iomem *)cont_pkt,
3416                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3417                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3418                                     sp->vha, 0x3046,
3419                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3420                         }
3421                 }
3422
3423                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3424                         fx_iocb.dataword = piocb_rqst->dataword;
3425                 fx_iocb.flags = piocb_rqst->flags;
3426                 fx_iocb.entry_count = entry_cnt;
3427         }
3428
3429         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3430             sp->vha, 0x3047,
3431             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3432
3433         memcpy_toio((void __iomem *)pfxiocb, &fx_iocb,
3434             sizeof(struct fxdisc_entry_fx00));
3435         wmb();
3436 }