linux/drivers/scsi/qla2xxx/qla_mr.c
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   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2013 QLogic Corporation
   4 *
   5 * See LICENSE.qla2xxx for copyright and licensing details.
   6 */
   7#include "qla_def.h"
   8#include <linux/delay.h>
   9#include <linux/pci.h>
  10#include <linux/ratelimit.h>
  11#include <linux/vmalloc.h>
  12#include <scsi/scsi_tcq.h>
  13#include <linux/utsname.h>
  14
  15
  16/* QLAFX00 specific Mailbox implementation functions */
  17
  18/*
  19 * qlafx00_mailbox_command
  20 *      Issue mailbox command and waits for completion.
  21 *
  22 * Input:
  23 *      ha = adapter block pointer.
  24 *      mcp = driver internal mbx struct pointer.
  25 *
  26 * Output:
  27 *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
  28 *
  29 * Returns:
  30 *      0 : QLA_SUCCESS = cmd performed success
  31 *      1 : QLA_FUNCTION_FAILED   (error encountered)
  32 *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
  33 *
  34 * Context:
  35 *      Kernel context.
  36 */
  37static int
  38qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
  39
  40{
  41        int             rval;
  42        unsigned long    flags = 0;
  43        device_reg_t __iomem *reg;
  44        uint8_t         abort_active;
  45        uint8_t         io_lock_on;
  46        uint16_t        command = 0;
  47        uint32_t        *iptr;
  48        uint32_t __iomem *optr;
  49        uint32_t        cnt;
  50        uint32_t        mboxes;
  51        unsigned long   wait_time;
  52        struct qla_hw_data *ha = vha->hw;
  53        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  54
  55        if (ha->pdev->error_state > pci_channel_io_frozen) {
  56                ql_log(ql_log_warn, vha, 0x115c,
  57                    "error_state is greater than pci_channel_io_frozen, "
  58                    "exiting.\n");
  59                return QLA_FUNCTION_TIMEOUT;
  60        }
  61
  62        if (vha->device_flags & DFLG_DEV_FAILED) {
  63                ql_log(ql_log_warn, vha, 0x115f,
  64                    "Device in failed state, exiting.\n");
  65                return QLA_FUNCTION_TIMEOUT;
  66        }
  67
  68        reg = ha->iobase;
  69        io_lock_on = base_vha->flags.init_done;
  70
  71        rval = QLA_SUCCESS;
  72        abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  73
  74        if (ha->flags.pci_channel_io_perm_failure) {
  75                ql_log(ql_log_warn, vha, 0x1175,
  76                    "Perm failure on EEH timeout MBX, exiting.\n");
  77                return QLA_FUNCTION_TIMEOUT;
  78        }
  79
  80        if (ha->flags.isp82xx_fw_hung) {
  81                /* Setting Link-Down error */
  82                mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  83                ql_log(ql_log_warn, vha, 0x1176,
  84                    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  85                rval = QLA_FUNCTION_FAILED;
  86                goto premature_exit;
  87        }
  88
  89        /*
  90         * Wait for active mailbox commands to finish by waiting at most tov
  91         * seconds. This is to serialize actual issuing of mailbox cmds during
  92         * non ISP abort time.
  93         */
  94        if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  95                /* Timeout occurred. Return error. */
  96                ql_log(ql_log_warn, vha, 0x1177,
  97                    "Cmd access timeout, cmd=0x%x, Exiting.\n",
  98                    mcp->mb[0]);
  99                return QLA_FUNCTION_TIMEOUT;
 100        }
 101
 102        ha->flags.mbox_busy = 1;
 103        /* Save mailbox command for debug */
 104        ha->mcp32 = mcp;
 105
 106        ql_dbg(ql_dbg_mbx, vha, 0x1178,
 107            "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
 108
 109        spin_lock_irqsave(&ha->hardware_lock, flags);
 110
 111        /* Load mailbox registers. */
 112        optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
 113
 114        iptr = mcp->mb;
 115        command = mcp->mb[0];
 116        mboxes = mcp->out_mb;
 117
 118        for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 119                if (mboxes & BIT_0)
 120                        WRT_REG_DWORD(optr, *iptr);
 121
 122                mboxes >>= 1;
 123                optr++;
 124                iptr++;
 125        }
 126
 127        /* Issue set host interrupt command to send cmd out. */
 128        ha->flags.mbox_int = 0;
 129        clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 130
 131        ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
 132            (uint8_t *)mcp->mb, 16);
 133        ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
 134            ((uint8_t *)mcp->mb + 0x10), 16);
 135        ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
 136            ((uint8_t *)mcp->mb + 0x20), 8);
 137
 138        /* Unlock mbx registers and wait for interrupt */
 139        ql_dbg(ql_dbg_mbx, vha, 0x1179,
 140            "Going to unlock irq & waiting for interrupts. "
 141            "jiffies=%lx.\n", jiffies);
 142
 143        /* Wait for mbx cmd completion until timeout */
 144        if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 145                set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 146
 147                QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 148                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 149
 150                wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 151        } else {
 152                ql_dbg(ql_dbg_mbx, vha, 0x112c,
 153                    "Cmd=%x Polling Mode.\n", command);
 154
 155                QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
 156                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 157
 158                wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 159                while (!ha->flags.mbox_int) {
 160                        if (time_after(jiffies, wait_time))
 161                                break;
 162
 163                        /* Check for pending interrupts. */
 164                        qla2x00_poll(ha->rsp_q_map[0]);
 165
 166                        if (!ha->flags.mbox_int &&
 167                            !(IS_QLA2200(ha) &&
 168                            command == MBC_LOAD_RISC_RAM_EXTENDED))
 169                                usleep_range(10000, 11000);
 170                } /* while */
 171                ql_dbg(ql_dbg_mbx, vha, 0x112d,
 172                    "Waited %d sec.\n",
 173                    (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
 174        }
 175
 176        /* Check whether we timed out */
 177        if (ha->flags.mbox_int) {
 178                uint32_t *iptr2;
 179
 180                ql_dbg(ql_dbg_mbx, vha, 0x112e,
 181                    "Cmd=%x completed.\n", command);
 182
 183                /* Got interrupt. Clear the flag. */
 184                ha->flags.mbox_int = 0;
 185                clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 186
 187                if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
 188                        rval = QLA_FUNCTION_FAILED;
 189
 190                /* Load return mailbox registers. */
 191                iptr2 = mcp->mb;
 192                iptr = (uint32_t *)&ha->mailbox_out32[0];
 193                mboxes = mcp->in_mb;
 194                for (cnt = 0; cnt < ha->mbx_count; cnt++) {
 195                        if (mboxes & BIT_0)
 196                                *iptr2 = *iptr;
 197
 198                        mboxes >>= 1;
 199                        iptr2++;
 200                        iptr++;
 201                }
 202        } else {
 203
 204                rval = QLA_FUNCTION_TIMEOUT;
 205        }
 206
 207        ha->flags.mbox_busy = 0;
 208
 209        /* Clean up */
 210        ha->mcp32 = NULL;
 211
 212        if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
 213                ql_dbg(ql_dbg_mbx, vha, 0x113a,
 214                    "checking for additional resp interrupt.\n");
 215
 216                /* polling mode for non isp_abort commands. */
 217                qla2x00_poll(ha->rsp_q_map[0]);
 218        }
 219
 220        if (rval == QLA_FUNCTION_TIMEOUT &&
 221            mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
 222                if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
 223                    ha->flags.eeh_busy) {
 224                        /* not in dpc. schedule it for dpc to take over. */
 225                        ql_dbg(ql_dbg_mbx, vha, 0x115d,
 226                            "Timeout, schedule isp_abort_needed.\n");
 227
 228                        if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 229                            !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 230                            !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 231
 232                                ql_log(ql_log_info, base_vha, 0x115e,
 233                                    "Mailbox cmd timeout occurred, cmd=0x%x, "
 234                                    "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
 235                                    "abort.\n", command, mcp->mb[0],
 236                                    ha->flags.eeh_busy);
 237                                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 238                                qla2xxx_wake_dpc(vha);
 239                        }
 240                } else if (!abort_active) {
 241                        /* call abort directly since we are in the DPC thread */
 242                        ql_dbg(ql_dbg_mbx, vha, 0x1160,
 243                            "Timeout, calling abort_isp.\n");
 244
 245                        if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 246                            !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 247                            !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
 248
 249                                ql_log(ql_log_info, base_vha, 0x1161,
 250                                    "Mailbox cmd timeout occurred, cmd=0x%x, "
 251                                    "mb[0]=0x%x. Scheduling ISP abort ",
 252                                    command, mcp->mb[0]);
 253
 254                                set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 255                                clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 256                                if (ha->isp_ops->abort_isp(vha)) {
 257                                        /* Failed. retry later. */
 258                                        set_bit(ISP_ABORT_NEEDED,
 259                                            &vha->dpc_flags);
 260                                }
 261                                clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 262                                ql_dbg(ql_dbg_mbx, vha, 0x1162,
 263                                    "Finished abort_isp.\n");
 264                        }
 265                }
 266        }
 267
 268premature_exit:
 269        /* Allow next mbx cmd to come in. */
 270        complete(&ha->mbx_cmd_comp);
 271
 272        if (rval) {
 273                ql_log(ql_log_warn, base_vha, 0x1163,
 274                    "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
 275                    "mb[3]=%x, cmd=%x ****.\n",
 276                    mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
 277        } else {
 278                ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
 279        }
 280
 281        return rval;
 282}
 283
 284/*
 285 * qlafx00_driver_shutdown
 286 *      Indicate a driver shutdown to firmware.
 287 *
 288 * Input:
 289 *      ha = adapter block pointer.
 290 *
 291 * Returns:
 292 *      local function return status code.
 293 *
 294 * Context:
 295 *      Kernel context.
 296 */
 297int
 298qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
 299{
 300        int rval;
 301        struct mbx_cmd_32 mc;
 302        struct mbx_cmd_32 *mcp = &mc;
 303
 304        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
 305            "Entered %s.\n", __func__);
 306
 307        mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
 308        mcp->out_mb = MBX_0;
 309        mcp->in_mb = MBX_0;
 310        if (tmo)
 311                mcp->tov = tmo;
 312        else
 313                mcp->tov = MBX_TOV_SECONDS;
 314        mcp->flags = 0;
 315        rval = qlafx00_mailbox_command(vha, mcp);
 316
 317        if (rval != QLA_SUCCESS) {
 318                ql_dbg(ql_dbg_mbx, vha, 0x1167,
 319                    "Failed=%x.\n", rval);
 320        } else {
 321                ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
 322                    "Done %s.\n", __func__);
 323        }
 324
 325        return rval;
 326}
 327
 328/*
 329 * qlafx00_get_firmware_state
 330 *      Get adapter firmware state.
 331 *
 332 * Input:
 333 *      ha = adapter block pointer.
 334 *      TARGET_QUEUE_LOCK must be released.
 335 *      ADAPTER_STATE_LOCK must be released.
 336 *
 337 * Returns:
 338 *      qla7xxx local function return status code.
 339 *
 340 * Context:
 341 *      Kernel context.
 342 */
 343static int
 344qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
 345{
 346        int rval;
 347        struct mbx_cmd_32 mc;
 348        struct mbx_cmd_32 *mcp = &mc;
 349
 350        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
 351            "Entered %s.\n", __func__);
 352
 353        mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 354        mcp->out_mb = MBX_0;
 355        mcp->in_mb = MBX_1|MBX_0;
 356        mcp->tov = MBX_TOV_SECONDS;
 357        mcp->flags = 0;
 358        rval = qlafx00_mailbox_command(vha, mcp);
 359
 360        /* Return firmware states. */
 361        states[0] = mcp->mb[1];
 362
 363        if (rval != QLA_SUCCESS) {
 364                ql_dbg(ql_dbg_mbx, vha, 0x116a,
 365                    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 366        } else {
 367                ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
 368                    "Done %s.\n", __func__);
 369        }
 370        return rval;
 371}
 372
 373/*
 374 * qlafx00_init_firmware
 375 *      Initialize adapter firmware.
 376 *
 377 * Input:
 378 *      ha = adapter block pointer.
 379 *      dptr = Initialization control block pointer.
 380 *      size = size of initialization control block.
 381 *      TARGET_QUEUE_LOCK must be released.
 382 *      ADAPTER_STATE_LOCK must be released.
 383 *
 384 * Returns:
 385 *      qlafx00 local function return status code.
 386 *
 387 * Context:
 388 *      Kernel context.
 389 */
 390int
 391qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 392{
 393        int rval;
 394        struct mbx_cmd_32 mc;
 395        struct mbx_cmd_32 *mcp = &mc;
 396        struct qla_hw_data *ha = vha->hw;
 397
 398        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
 399            "Entered %s.\n", __func__);
 400
 401        mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
 402
 403        mcp->mb[1] = 0;
 404        mcp->mb[2] = MSD(ha->init_cb_dma);
 405        mcp->mb[3] = LSD(ha->init_cb_dma);
 406
 407        mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 408        mcp->in_mb = MBX_0;
 409        mcp->buf_size = size;
 410        mcp->flags = MBX_DMA_OUT;
 411        mcp->tov = MBX_TOV_SECONDS;
 412        rval = qlafx00_mailbox_command(vha, mcp);
 413
 414        if (rval != QLA_SUCCESS) {
 415                ql_dbg(ql_dbg_mbx, vha, 0x116d,
 416                    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 417        } else {
 418                ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
 419                    "Done %s.\n", __func__);
 420        }
 421        return rval;
 422}
 423
 424/*
 425 * qlafx00_mbx_reg_test
 426 */
 427static int
 428qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
 429{
 430        int rval;
 431        struct mbx_cmd_32 mc;
 432        struct mbx_cmd_32 *mcp = &mc;
 433
 434        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
 435            "Entered %s.\n", __func__);
 436
 437
 438        mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
 439        mcp->mb[1] = 0xAAAA;
 440        mcp->mb[2] = 0x5555;
 441        mcp->mb[3] = 0xAA55;
 442        mcp->mb[4] = 0x55AA;
 443        mcp->mb[5] = 0xA5A5;
 444        mcp->mb[6] = 0x5A5A;
 445        mcp->mb[7] = 0x2525;
 446        mcp->mb[8] = 0xBBBB;
 447        mcp->mb[9] = 0x6666;
 448        mcp->mb[10] = 0xBB66;
 449        mcp->mb[11] = 0x66BB;
 450        mcp->mb[12] = 0xB6B6;
 451        mcp->mb[13] = 0x6B6B;
 452        mcp->mb[14] = 0x3636;
 453        mcp->mb[15] = 0xCCCC;
 454
 455
 456        mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 457                        MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 458        mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
 459                        MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 460        mcp->buf_size = 0;
 461        mcp->flags = MBX_DMA_OUT;
 462        mcp->tov = MBX_TOV_SECONDS;
 463        rval = qlafx00_mailbox_command(vha, mcp);
 464        if (rval == QLA_SUCCESS) {
 465                if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
 466                    mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
 467                        rval = QLA_FUNCTION_FAILED;
 468                if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
 469                    mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
 470                        rval = QLA_FUNCTION_FAILED;
 471                if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
 472                    mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
 473                        rval = QLA_FUNCTION_FAILED;
 474                if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
 475                    mcp->mb[31] != 0xCCCC)
 476                        rval = QLA_FUNCTION_FAILED;
 477        }
 478
 479        if (rval != QLA_SUCCESS) {
 480                ql_dbg(ql_dbg_mbx, vha, 0x1170,
 481                    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
 482        } else {
 483                ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
 484                    "Done %s.\n", __func__);
 485        }
 486        return rval;
 487}
 488
 489/**
 490 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 491 * @ha: HA context
 492 *
 493 * Returns 0 on success.
 494 */
 495int
 496qlafx00_pci_config(scsi_qla_host_t *vha)
 497{
 498        uint16_t w;
 499        struct qla_hw_data *ha = vha->hw;
 500
 501        pci_set_master(ha->pdev);
 502        pci_try_set_mwi(ha->pdev);
 503
 504        pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 505        w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 506        w &= ~PCI_COMMAND_INTX_DISABLE;
 507        pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 508
 509        /* PCIe -- adjust Maximum Read Request Size (2048). */
 510        if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 511                pcie_set_readrq(ha->pdev, 2048);
 512
 513        ha->chip_revision = ha->pdev->revision;
 514
 515        return QLA_SUCCESS;
 516}
 517
 518/**
 519 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 520 * @ha: HA context
 521 *
 522  */
 523static inline void
 524qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
 525{
 526        unsigned long flags = 0;
 527        struct qla_hw_data *ha = vha->hw;
 528        int i, core;
 529        uint32_t cnt;
 530
 531        /* Set all 4 cores in reset */
 532        for (i = 0; i < 4; i++) {
 533                QLAFX00_SET_HBA_SOC_REG(ha,
 534                    (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
 535        }
 536
 537        /* Set all 4 core Clock gating control */
 538        for (i = 0; i < 4; i++) {
 539                QLAFX00_SET_HBA_SOC_REG(ha,
 540                    (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
 541        }
 542
 543        /* Reset all units in Fabric */
 544        QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
 545
 546        /* Reset all interrupt control registers */
 547        for (i = 0; i < 115; i++) {
 548                QLAFX00_SET_HBA_SOC_REG(ha,
 549                    (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
 550        }
 551
 552        /* Reset Timers control registers. per core */
 553        for (core = 0; core < 4; core++)
 554                for (i = 0; i < 8; i++)
 555                        QLAFX00_SET_HBA_SOC_REG(ha,
 556                            (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
 557
 558        /* Reset per core IRQ ack register */
 559        for (core = 0; core < 4; core++)
 560                QLAFX00_SET_HBA_SOC_REG(ha,
 561                    (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
 562
 563        /* Set Fabric control and config to defaults */
 564        QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
 565        QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
 566
 567        spin_lock_irqsave(&ha->hardware_lock, flags);
 568
 569        /* Kick in Fabric units */
 570        QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
 571
 572        /* Kick in Core0 to start boot process */
 573        QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
 574
 575        /* Wait 10secs for soft-reset to complete. */
 576        for (cnt = 10; cnt; cnt--) {
 577                msleep(1000);
 578                barrier();
 579        }
 580        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 581}
 582
 583/**
 584 * qlafx00_soft_reset() - Soft Reset ISPFx00.
 585 * @ha: HA context
 586 *
 587 * Returns 0 on success.
 588 */
 589void
 590qlafx00_soft_reset(scsi_qla_host_t *vha)
 591{
 592        struct qla_hw_data *ha = vha->hw;
 593
 594        if (unlikely(pci_channel_offline(ha->pdev) &&
 595            ha->flags.pci_channel_io_perm_failure))
 596                return;
 597
 598        ha->isp_ops->disable_intrs(ha);
 599        qlafx00_soc_cpu_reset(vha);
 600        ha->isp_ops->enable_intrs(ha);
 601}
 602
 603/**
 604 * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 605 * @ha: HA context
 606 *
 607 * Returns 0 on success.
 608 */
 609int
 610qlafx00_chip_diag(scsi_qla_host_t *vha)
 611{
 612        int rval = 0;
 613        struct qla_hw_data *ha = vha->hw;
 614        struct req_que *req = ha->req_q_map[0];
 615
 616        ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 617
 618        rval = qlafx00_mbx_reg_test(vha);
 619        if (rval) {
 620                ql_log(ql_log_warn, vha, 0x1165,
 621                    "Failed mailbox send register test\n");
 622        } else {
 623                /* Flag a successful rval */
 624                rval = QLA_SUCCESS;
 625        }
 626        return rval;
 627}
 628
 629void
 630qlafx00_config_rings(struct scsi_qla_host *vha)
 631{
 632        struct qla_hw_data *ha = vha->hw;
 633        struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 634        struct init_cb_fx *icb;
 635        struct req_que *req = ha->req_q_map[0];
 636        struct rsp_que *rsp = ha->rsp_q_map[0];
 637
 638        /* Setup ring parameters in initialization control block. */
 639        icb = (struct init_cb_fx *)ha->init_cb;
 640        icb->request_q_outpointer = __constant_cpu_to_le16(0);
 641        icb->response_q_inpointer = __constant_cpu_to_le16(0);
 642        icb->request_q_length = cpu_to_le16(req->length);
 643        icb->response_q_length = cpu_to_le16(rsp->length);
 644        icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
 645        icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
 646        icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
 647        icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
 648
 649        WRT_REG_DWORD(&reg->req_q_in, 0);
 650        WRT_REG_DWORD(&reg->req_q_out, 0);
 651
 652        WRT_REG_DWORD(&reg->rsp_q_in, 0);
 653        WRT_REG_DWORD(&reg->rsp_q_out, 0);
 654
 655        /* PCI posting */
 656        RD_REG_DWORD(&reg->rsp_q_out);
 657}
 658
 659char *
 660qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 661{
 662        struct qla_hw_data *ha = vha->hw;
 663        int pcie_reg;
 664
 665        pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 666        if (pcie_reg) {
 667                strcpy(str, "PCIe iSA");
 668                return str;
 669        }
 670        return str;
 671}
 672
 673char *
 674qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
 675{
 676        struct qla_hw_data *ha = vha->hw;
 677
 678        sprintf(str, "%s", ha->mr.fw_version);
 679        return str;
 680}
 681
 682void
 683qlafx00_enable_intrs(struct qla_hw_data *ha)
 684{
 685        unsigned long flags = 0;
 686
 687        spin_lock_irqsave(&ha->hardware_lock, flags);
 688        ha->interrupts_on = 1;
 689        QLAFX00_ENABLE_ICNTRL_REG(ha);
 690        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 691}
 692
 693void
 694qlafx00_disable_intrs(struct qla_hw_data *ha)
 695{
 696        unsigned long flags = 0;
 697
 698        spin_lock_irqsave(&ha->hardware_lock, flags);
 699        ha->interrupts_on = 0;
 700        QLAFX00_DISABLE_ICNTRL_REG(ha);
 701        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 702}
 703
 704static void
 705qlafx00_tmf_iocb_timeout(void *data)
 706{
 707        srb_t *sp = (srb_t *)data;
 708        struct srb_iocb *tmf = &sp->u.iocb_cmd;
 709
 710        tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
 711        complete(&tmf->u.tmf.comp);
 712}
 713
 714static void
 715qlafx00_tmf_sp_done(void *data, void *ptr, int res)
 716{
 717        srb_t *sp = (srb_t *)ptr;
 718        struct srb_iocb *tmf = &sp->u.iocb_cmd;
 719
 720        complete(&tmf->u.tmf.comp);
 721}
 722
 723static int
 724qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
 725                     uint32_t lun, uint32_t tag)
 726{
 727        scsi_qla_host_t *vha = fcport->vha;
 728        struct srb_iocb *tm_iocb;
 729        srb_t *sp;
 730        int rval = QLA_FUNCTION_FAILED;
 731
 732        sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 733        if (!sp)
 734                goto done;
 735
 736        tm_iocb = &sp->u.iocb_cmd;
 737        sp->type = SRB_TM_CMD;
 738        sp->name = "tmf";
 739        qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 740        tm_iocb->u.tmf.flags = flags;
 741        tm_iocb->u.tmf.lun = lun;
 742        tm_iocb->u.tmf.data = tag;
 743        sp->done = qlafx00_tmf_sp_done;
 744        tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
 745        init_completion(&tm_iocb->u.tmf.comp);
 746
 747        rval = qla2x00_start_sp(sp);
 748        if (rval != QLA_SUCCESS)
 749                goto done_free_sp;
 750
 751        ql_dbg(ql_dbg_async, vha, 0x507b,
 752            "Task management command issued target_id=%x\n",
 753            fcport->tgt_id);
 754
 755        wait_for_completion(&tm_iocb->u.tmf.comp);
 756
 757        rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 758            QLA_SUCCESS : QLA_FUNCTION_FAILED;
 759
 760done_free_sp:
 761        sp->free(vha, sp);
 762done:
 763        return rval;
 764}
 765
 766int
 767qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
 768{
 769        return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
 770}
 771
 772int
 773qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
 774{
 775        return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
 776}
 777
 778int
 779qlafx00_loop_reset(scsi_qla_host_t *vha)
 780{
 781        int ret;
 782        struct fc_port *fcport;
 783        struct qla_hw_data *ha = vha->hw;
 784
 785        if (ql2xtargetreset) {
 786                list_for_each_entry(fcport, &vha->vp_fcports, list) {
 787                        if (fcport->port_type != FCT_TARGET)
 788                                continue;
 789
 790                        ret = ha->isp_ops->target_reset(fcport, 0, 0);
 791                        if (ret != QLA_SUCCESS) {
 792                                ql_dbg(ql_dbg_taskm, vha, 0x803d,
 793                                    "Bus Reset failed: Reset=%d "
 794                                    "d_id=%x.\n", ret, fcport->d_id.b24);
 795                        }
 796                }
 797        }
 798        return QLA_SUCCESS;
 799}
 800
 801int
 802qlafx00_iospace_config(struct qla_hw_data *ha)
 803{
 804        if (pci_request_selected_regions(ha->pdev, ha->bars,
 805            QLA2XXX_DRIVER_NAME)) {
 806                ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
 807                    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
 808                    pci_name(ha->pdev));
 809                goto iospace_error_exit;
 810        }
 811
 812        /* Use MMIO operations for all accesses. */
 813        if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
 814                ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
 815                    "Invalid pci I/O region size (%s).\n",
 816                    pci_name(ha->pdev));
 817                goto iospace_error_exit;
 818        }
 819        if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
 820                ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
 821                    "Invalid PCI mem BAR0 region size (%s), aborting\n",
 822                        pci_name(ha->pdev));
 823                goto iospace_error_exit;
 824        }
 825
 826        ha->cregbase =
 827            ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
 828        if (!ha->cregbase) {
 829                ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
 830                    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 831                goto iospace_error_exit;
 832        }
 833
 834        if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
 835                ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
 836                    "region #2 not an MMIO resource (%s), aborting\n",
 837                    pci_name(ha->pdev));
 838                goto iospace_error_exit;
 839        }
 840        if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
 841                ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
 842                    "Invalid PCI mem BAR2 region size (%s), aborting\n",
 843                        pci_name(ha->pdev));
 844                goto iospace_error_exit;
 845        }
 846
 847        ha->iobase =
 848            ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
 849        if (!ha->iobase) {
 850                ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
 851                    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
 852                goto iospace_error_exit;
 853        }
 854
 855        /* Determine queue resources */
 856        ha->max_req_queues = ha->max_rsp_queues = 1;
 857
 858        ql_log_pci(ql_log_info, ha->pdev, 0x012c,
 859            "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
 860            ha->bars, ha->cregbase, ha->iobase);
 861
 862        return 0;
 863
 864iospace_error_exit:
 865        return -ENOMEM;
 866}
 867
 868static void
 869qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
 870{
 871        struct qla_hw_data *ha = vha->hw;
 872        struct req_que *req = ha->req_q_map[0];
 873        struct rsp_que *rsp = ha->rsp_q_map[0];
 874
 875        req->length_fx00 = req->length;
 876        req->ring_fx00 = req->ring;
 877        req->dma_fx00 = req->dma;
 878
 879        rsp->length_fx00 = rsp->length;
 880        rsp->ring_fx00 = rsp->ring;
 881        rsp->dma_fx00 = rsp->dma;
 882
 883        ql_dbg(ql_dbg_init, vha, 0x012d,
 884            "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
 885            "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
 886            req->length_fx00, (u64)req->dma_fx00);
 887
 888        ql_dbg(ql_dbg_init, vha, 0x012e,
 889            "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
 890            "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
 891            rsp->length_fx00, (u64)rsp->dma_fx00);
 892}
 893
 894static int
 895qlafx00_config_queues(struct scsi_qla_host *vha)
 896{
 897        struct qla_hw_data *ha = vha->hw;
 898        struct req_que *req = ha->req_q_map[0];
 899        struct rsp_que *rsp = ha->rsp_q_map[0];
 900        dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
 901
 902        req->length = ha->req_que_len;
 903        req->ring = (void *)ha->iobase + ha->req_que_off;
 904        req->dma = bar2_hdl + ha->req_que_off;
 905        if ((!req->ring) || (req->length == 0)) {
 906                ql_log_pci(ql_log_info, ha->pdev, 0x012f,
 907                    "Unable to allocate memory for req_ring\n");
 908                return QLA_FUNCTION_FAILED;
 909        }
 910
 911        ql_dbg(ql_dbg_init, vha, 0x0130,
 912            "req: %p req_ring pointer %p req len 0x%x "
 913            "req off 0x%x\n, req->dma: 0x%llx",
 914            req, req->ring, req->length,
 915            ha->req_que_off, (u64)req->dma);
 916
 917        rsp->length = ha->rsp_que_len;
 918        rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
 919        rsp->dma = bar2_hdl + ha->rsp_que_off;
 920        if ((!rsp->ring) || (rsp->length == 0)) {
 921                ql_log_pci(ql_log_info, ha->pdev, 0x0131,
 922                    "Unable to allocate memory for rsp_ring\n");
 923                return QLA_FUNCTION_FAILED;
 924        }
 925
 926        ql_dbg(ql_dbg_init, vha, 0x0132,
 927            "rsp: %p rsp_ring pointer %p rsp len 0x%x "
 928            "rsp off 0x%x, rsp->dma: 0x%llx\n",
 929            rsp, rsp->ring, rsp->length,
 930            ha->rsp_que_off, (u64)rsp->dma);
 931
 932        return QLA_SUCCESS;
 933}
 934
 935static int
 936qlafx00_init_fw_ready(scsi_qla_host_t *vha)
 937{
 938        int rval = 0;
 939        unsigned long wtime;
 940        uint16_t wait_time;     /* Wait time */
 941        struct qla_hw_data *ha = vha->hw;
 942        struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
 943        uint32_t aenmbx, aenmbx7 = 0;
 944        uint32_t pseudo_aen;
 945        uint32_t state[5];
 946        bool done = false;
 947
 948        /* 30 seconds wait - Adjust if required */
 949        wait_time = 30;
 950
 951        pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
 952        if (pseudo_aen == 1) {
 953                aenmbx7 = RD_REG_DWORD(&reg->initval7);
 954                ha->mbx_intr_code = MSW(aenmbx7);
 955                ha->rqstq_intr_code = LSW(aenmbx7);
 956                rval = qlafx00_driver_shutdown(vha, 10);
 957                if (rval != QLA_SUCCESS)
 958                        qlafx00_soft_reset(vha);
 959        }
 960
 961        /* wait time before firmware ready */
 962        wtime = jiffies + (wait_time * HZ);
 963        do {
 964                aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
 965                barrier();
 966                ql_dbg(ql_dbg_mbx, vha, 0x0133,
 967                    "aenmbx: 0x%x\n", aenmbx);
 968
 969                switch (aenmbx) {
 970                case MBA_FW_NOT_STARTED:
 971                case MBA_FW_STARTING:
 972                        break;
 973
 974                case MBA_SYSTEM_ERR:
 975                case MBA_REQ_TRANSFER_ERR:
 976                case MBA_RSP_TRANSFER_ERR:
 977                case MBA_FW_INIT_FAILURE:
 978                        qlafx00_soft_reset(vha);
 979                        break;
 980
 981                case MBA_FW_RESTART_CMPLT:
 982                        /* Set the mbx and rqstq intr code */
 983                        aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
 984                        ha->mbx_intr_code = MSW(aenmbx7);
 985                        ha->rqstq_intr_code = LSW(aenmbx7);
 986                        ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
 987                        ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
 988                        ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
 989                        ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
 990                        WRT_REG_DWORD(&reg->aenmailbox0, 0);
 991                        RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
 992                        ql_dbg(ql_dbg_init, vha, 0x0134,
 993                            "f/w returned mbx_intr_code: 0x%x, "
 994                            "rqstq_intr_code: 0x%x\n",
 995                            ha->mbx_intr_code, ha->rqstq_intr_code);
 996                        QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
 997                        rval = QLA_SUCCESS;
 998                        done = true;
 999                        break;
1000
1001                default:
1002                        /* If fw is apparently not ready. In order to continue,
1003                         * we might need to issue Mbox cmd, but the problem is
1004                         * that the DoorBell vector values that come with the
1005                         * 8060 AEN are most likely gone by now (and thus no
1006                         * bell would be rung on the fw side when mbox cmd is
1007                         * issued). We have to therefore grab the 8060 AEN
1008                         * shadow regs (filled in by FW when the last 8060
1009                         * AEN was being posted).
1010                         * Do the following to determine what is needed in
1011                         * order to get the FW ready:
1012                         * 1. reload the 8060 AEN values from the shadow regs
1013                         * 2. clear int status to get rid of possible pending
1014                         *    interrupts
1015                         * 3. issue Get FW State Mbox cmd to determine fw state
1016                         * Set the mbx and rqstq intr code from Shadow Regs
1017                         */
1018                        aenmbx7 = RD_REG_DWORD(&reg->initval7);
1019                        ha->mbx_intr_code = MSW(aenmbx7);
1020                        ha->rqstq_intr_code = LSW(aenmbx7);
1021                        ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1022                        ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1023                        ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1024                        ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1025                        ql_dbg(ql_dbg_init, vha, 0x0135,
1026                            "f/w returned mbx_intr_code: 0x%x, "
1027                            "rqstq_intr_code: 0x%x\n",
1028                            ha->mbx_intr_code, ha->rqstq_intr_code);
1029                        QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1030
1031                        /* Get the FW state */
1032                        rval = qlafx00_get_firmware_state(vha, state);
1033                        if (rval != QLA_SUCCESS) {
1034                                /* Retry if timer has not expired */
1035                                break;
1036                        }
1037
1038                        if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1039                                /* Firmware is waiting to be
1040                                 * initialized by driver
1041                                 */
1042                                rval = QLA_SUCCESS;
1043                                done = true;
1044                                break;
1045                        }
1046
1047                        /* Issue driver shutdown and wait until f/w recovers.
1048                         * Driver should continue to poll until 8060 AEN is
1049                         * received indicating firmware recovery.
1050                         */
1051                        ql_dbg(ql_dbg_init, vha, 0x0136,
1052                            "Sending Driver shutdown fw_state 0x%x\n",
1053                            state[0]);
1054
1055                        rval = qlafx00_driver_shutdown(vha, 10);
1056                        if (rval != QLA_SUCCESS) {
1057                                rval = QLA_FUNCTION_FAILED;
1058                                break;
1059                        }
1060                        msleep(500);
1061
1062                        wtime = jiffies + (wait_time * HZ);
1063                        break;
1064                }
1065
1066                if (!done) {
1067                        if (time_after_eq(jiffies, wtime)) {
1068                                ql_dbg(ql_dbg_init, vha, 0x0137,
1069                                    "Init f/w failed: aen[7]: 0x%x\n",
1070                                    RD_REG_DWORD(&reg->aenmailbox7));
1071                                rval = QLA_FUNCTION_FAILED;
1072                                done = true;
1073                                break;
1074                        }
1075                        /* Delay for a while */
1076                        msleep(500);
1077                }
1078        } while (!done);
1079
1080        if (rval)
1081                ql_dbg(ql_dbg_init, vha, 0x0138,
1082                    "%s **** FAILED ****.\n", __func__);
1083        else
1084                ql_dbg(ql_dbg_init, vha, 0x0139,
1085                    "%s **** SUCCESS ****.\n", __func__);
1086
1087        return rval;
1088}
1089
1090/*
1091 * qlafx00_fw_ready() - Waits for firmware ready.
1092 * @ha: HA context
1093 *
1094 * Returns 0 on success.
1095 */
1096int
1097qlafx00_fw_ready(scsi_qla_host_t *vha)
1098{
1099        int             rval;
1100        unsigned long   wtime;
1101        uint16_t        wait_time;      /* Wait time if loop is coming ready */
1102        uint32_t        state[5];
1103
1104        rval = QLA_SUCCESS;
1105
1106        wait_time = 10;
1107
1108        /* wait time before firmware ready */
1109        wtime = jiffies + (wait_time * HZ);
1110
1111        /* Wait for ISP to finish init */
1112        if (!vha->flags.init_done)
1113                ql_dbg(ql_dbg_init, vha, 0x013a,
1114                    "Waiting for init to complete...\n");
1115
1116        do {
1117                rval = qlafx00_get_firmware_state(vha, state);
1118
1119                if (rval == QLA_SUCCESS) {
1120                        if (state[0] == FSTATE_FX00_INITIALIZED) {
1121                                ql_dbg(ql_dbg_init, vha, 0x013b,
1122                                    "fw_state=%x\n", state[0]);
1123                                rval = QLA_SUCCESS;
1124                                        break;
1125                        }
1126                }
1127                rval = QLA_FUNCTION_FAILED;
1128
1129                if (time_after_eq(jiffies, wtime))
1130                        break;
1131
1132                /* Delay for a while */
1133                msleep(500);
1134
1135                ql_dbg(ql_dbg_init, vha, 0x013c,
1136                    "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1137        } while (1);
1138
1139
1140        if (rval)
1141                ql_dbg(ql_dbg_init, vha, 0x013d,
1142                    "Firmware ready **** FAILED ****.\n");
1143        else
1144                ql_dbg(ql_dbg_init, vha, 0x013e,
1145                    "Firmware ready **** SUCCESS ****.\n");
1146
1147        return rval;
1148}
1149
1150static int
1151qlafx00_find_all_targets(scsi_qla_host_t *vha,
1152        struct list_head *new_fcports)
1153{
1154        int             rval;
1155        uint16_t        tgt_id;
1156        fc_port_t       *fcport, *new_fcport;
1157        int             found;
1158        struct qla_hw_data *ha = vha->hw;
1159
1160        rval = QLA_SUCCESS;
1161
1162        if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1163                return QLA_FUNCTION_FAILED;
1164
1165        if ((atomic_read(&vha->loop_down_timer) ||
1166             STATE_TRANSITION(vha))) {
1167                atomic_set(&vha->loop_down_timer, 0);
1168                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1169                return QLA_FUNCTION_FAILED;
1170        }
1171
1172        ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1173            "Listing Target bit map...\n");
1174        ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1175            0x2089, (uint8_t *)ha->gid_list, 32);
1176
1177        /* Allocate temporary rmtport for any new rmtports discovered. */
1178        new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1179        if (new_fcport == NULL)
1180                return QLA_MEMORY_ALLOC_FAILED;
1181
1182        for_each_set_bit(tgt_id, (void *)ha->gid_list,
1183            QLAFX00_TGT_NODE_LIST_SIZE) {
1184
1185                /* Send get target node info */
1186                new_fcport->tgt_id = tgt_id;
1187                rval = qlafx00_fx_disc(vha, new_fcport,
1188                    FXDISC_GET_TGT_NODE_INFO);
1189                if (rval != QLA_SUCCESS) {
1190                        ql_log(ql_log_warn, vha, 0x208a,
1191                            "Target info scan failed -- assuming zero-entry "
1192                            "result...\n");
1193                        continue;
1194                }
1195
1196                /* Locate matching device in database. */
1197                found = 0;
1198                list_for_each_entry(fcport, &vha->vp_fcports, list) {
1199                        if (memcmp(new_fcport->port_name,
1200                            fcport->port_name, WWN_SIZE))
1201                                continue;
1202
1203                        found++;
1204
1205                        /*
1206                         * If tgt_id is same and state FCS_ONLINE, nothing
1207                         * changed.
1208                         */
1209                        if (fcport->tgt_id == new_fcport->tgt_id &&
1210                            atomic_read(&fcport->state) == FCS_ONLINE)
1211                                break;
1212
1213                        /*
1214                         * Tgt ID changed or device was marked to be updated.
1215                         */
1216                        ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1217                            "TGT-ID Change(%s): Present tgt id: "
1218                            "0x%x state: 0x%x "
1219                            "wwnn = %llx wwpn = %llx.\n",
1220                            __func__, fcport->tgt_id,
1221                            atomic_read(&fcport->state),
1222                            (unsigned long long)wwn_to_u64(fcport->node_name),
1223                            (unsigned long long)wwn_to_u64(fcport->port_name));
1224
1225                        ql_log(ql_log_info, vha, 0x208c,
1226                            "TGT-ID Announce(%s): Discovered tgt "
1227                            "id 0x%x wwnn = %llx "
1228                            "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1229                            (unsigned long long)
1230                            wwn_to_u64(new_fcport->node_name),
1231                            (unsigned long long)
1232                            wwn_to_u64(new_fcport->port_name));
1233
1234                        if (atomic_read(&fcport->state) != FCS_ONLINE) {
1235                                fcport->old_tgt_id = fcport->tgt_id;
1236                                fcport->tgt_id = new_fcport->tgt_id;
1237                                ql_log(ql_log_info, vha, 0x208d,
1238                                   "TGT-ID: New fcport Added: %p\n", fcport);
1239                                qla2x00_update_fcport(vha, fcport);
1240                        } else {
1241                                ql_log(ql_log_info, vha, 0x208e,
1242                                    " Existing TGT-ID %x did not get "
1243                                    " offline event from firmware.\n",
1244                                    fcport->old_tgt_id);
1245                                qla2x00_mark_device_lost(vha, fcport, 0, 0);
1246                                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1247                                kfree(new_fcport);
1248                                return rval;
1249                        }
1250                        break;
1251                }
1252
1253                if (found)
1254                        continue;
1255
1256                /* If device was not in our fcports list, then add it. */
1257                list_add_tail(&new_fcport->list, new_fcports);
1258
1259                /* Allocate a new replacement fcport. */
1260                new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1261                if (new_fcport == NULL)
1262                        return QLA_MEMORY_ALLOC_FAILED;
1263        }
1264
1265        kfree(new_fcport);
1266        return rval;
1267}
1268
1269/*
1270 * qlafx00_configure_all_targets
1271 *      Setup target devices with node ID's.
1272 *
1273 * Input:
1274 *      ha = adapter block pointer.
1275 *
1276 * Returns:
1277 *      0 = success.
1278 *      BIT_0 = error
1279 */
1280static int
1281qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1282{
1283        int rval;
1284        fc_port_t *fcport, *rmptemp;
1285        LIST_HEAD(new_fcports);
1286
1287        rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1288            FXDISC_GET_TGT_NODE_LIST);
1289        if (rval != QLA_SUCCESS) {
1290                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1291                return rval;
1292        }
1293
1294        rval = qlafx00_find_all_targets(vha, &new_fcports);
1295        if (rval != QLA_SUCCESS) {
1296                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1297                return rval;
1298        }
1299
1300        /*
1301         * Delete all previous devices marked lost.
1302         */
1303        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1304                if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1305                        break;
1306
1307                if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1308                        if (fcport->port_type != FCT_INITIATOR)
1309                                qla2x00_mark_device_lost(vha, fcport, 0, 0);
1310                }
1311        }
1312
1313        /*
1314         * Add the new devices to our devices list.
1315         */
1316        list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1317                if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1318                        break;
1319
1320                qla2x00_update_fcport(vha, fcport);
1321                list_move_tail(&fcport->list, &vha->vp_fcports);
1322                ql_log(ql_log_info, vha, 0x208f,
1323                    "Attach new target id 0x%x wwnn = %llx "
1324                    "wwpn = %llx.\n",
1325                    fcport->tgt_id,
1326                    (unsigned long long)wwn_to_u64(fcport->node_name),
1327                    (unsigned long long)wwn_to_u64(fcport->port_name));
1328        }
1329
1330        /* Free all new device structures not processed. */
1331        list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1332                list_del(&fcport->list);
1333                kfree(fcport);
1334        }
1335
1336        return rval;
1337}
1338
1339/*
1340 * qlafx00_configure_devices
1341 *      Updates Fibre Channel Device Database with what is actually on loop.
1342 *
1343 * Input:
1344 *      ha                = adapter block pointer.
1345 *
1346 * Returns:
1347 *      0 = success.
1348 *      1 = error.
1349 *      2 = database was full and device was not configured.
1350 */
1351int
1352qlafx00_configure_devices(scsi_qla_host_t *vha)
1353{
1354        int  rval;
1355        unsigned long flags, save_flags;
1356        rval = QLA_SUCCESS;
1357
1358        save_flags = flags = vha->dpc_flags;
1359
1360        ql_dbg(ql_dbg_disc, vha, 0x2090,
1361            "Configure devices -- dpc flags =0x%lx\n", flags);
1362
1363        rval = qlafx00_configure_all_targets(vha);
1364
1365        if (rval == QLA_SUCCESS) {
1366                if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1367                        rval = QLA_FUNCTION_FAILED;
1368                } else {
1369                        atomic_set(&vha->loop_state, LOOP_READY);
1370                        ql_log(ql_log_info, vha, 0x2091,
1371                            "Device Ready\n");
1372                }
1373        }
1374
1375        if (rval) {
1376                ql_dbg(ql_dbg_disc, vha, 0x2092,
1377                    "%s *** FAILED ***.\n", __func__);
1378        } else {
1379                ql_dbg(ql_dbg_disc, vha, 0x2093,
1380                    "%s: exiting normally.\n", __func__);
1381        }
1382        return rval;
1383}
1384
1385static void
1386qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1387{
1388        struct qla_hw_data *ha = vha->hw;
1389        fc_port_t *fcport;
1390
1391        vha->flags.online = 0;
1392        ha->mr.fw_hbt_en = 0;
1393
1394        if (!critemp) {
1395                ha->flags.chip_reset_done = 0;
1396                clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1397                vha->qla_stats.total_isp_aborts++;
1398                ql_log(ql_log_info, vha, 0x013f,
1399                    "Performing ISP error recovery - ha = %p.\n", ha);
1400                ha->isp_ops->reset_chip(vha);
1401        }
1402
1403        if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1404                atomic_set(&vha->loop_state, LOOP_DOWN);
1405                atomic_set(&vha->loop_down_timer,
1406                    QLAFX00_LOOP_DOWN_TIME);
1407        } else {
1408                if (!atomic_read(&vha->loop_down_timer))
1409                        atomic_set(&vha->loop_down_timer,
1410                            QLAFX00_LOOP_DOWN_TIME);
1411        }
1412
1413        /* Clear all async request states across all VPs. */
1414        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1415                fcport->flags = 0;
1416                if (atomic_read(&fcport->state) == FCS_ONLINE)
1417                        qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1418        }
1419
1420        if (!ha->flags.eeh_busy) {
1421                if (critemp) {
1422                        qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1423                } else {
1424                        /* Requeue all commands in outstanding command list. */
1425                        qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1426                }
1427        }
1428
1429        qla2x00_free_irqs(vha);
1430        if (critemp)
1431                set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1432        else
1433                set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1434
1435        /* Clear the Interrupts */
1436        QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1437
1438        ql_log(ql_log_info, vha, 0x0140,
1439            "%s Done done - ha=%p.\n", __func__, ha);
1440}
1441
1442/**
1443 * qlafx00_init_response_q_entries() - Initializes response queue entries.
1444 * @ha: HA context
1445 *
1446 * Beginning of request ring has initialization control block already built
1447 * by nvram config routine.
1448 *
1449 * Returns 0 on success.
1450 */
1451void
1452qlafx00_init_response_q_entries(struct rsp_que *rsp)
1453{
1454        uint16_t cnt;
1455        response_t *pkt;
1456
1457        rsp->ring_ptr = rsp->ring;
1458        rsp->ring_index    = 0;
1459        rsp->status_srb = NULL;
1460        pkt = rsp->ring_ptr;
1461        for (cnt = 0; cnt < rsp->length; cnt++) {
1462                pkt->signature = RESPONSE_PROCESSED;
1463                WRT_REG_DWORD((void __iomem *)&pkt->signature,
1464                    RESPONSE_PROCESSED);
1465                pkt++;
1466        }
1467}
1468
1469int
1470qlafx00_rescan_isp(scsi_qla_host_t *vha)
1471{
1472        uint32_t status = QLA_FUNCTION_FAILED;
1473        struct qla_hw_data *ha = vha->hw;
1474        struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1475        uint32_t aenmbx7;
1476
1477        qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1478
1479        aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1480        ha->mbx_intr_code = MSW(aenmbx7);
1481        ha->rqstq_intr_code = LSW(aenmbx7);
1482        ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1483        ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1484        ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1485        ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1486
1487        ql_dbg(ql_dbg_disc, vha, 0x2094,
1488            "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1489            " Req que offset 0x%x Rsp que offset 0x%x\n",
1490            ha->mbx_intr_code, ha->rqstq_intr_code,
1491            ha->req_que_off, ha->rsp_que_len);
1492
1493        /* Clear the Interrupts */
1494        QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1495
1496        status = qla2x00_init_rings(vha);
1497        if (!status) {
1498                vha->flags.online = 1;
1499
1500                /* if no cable then assume it's good */
1501                if ((vha->device_flags & DFLG_NO_CABLE))
1502                        status = 0;
1503                /* Register system information */
1504                if (qlafx00_fx_disc(vha,
1505                    &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1506                        ql_dbg(ql_dbg_disc, vha, 0x2095,
1507                            "failed to register host info\n");
1508        }
1509        scsi_unblock_requests(vha->host);
1510        return status;
1511}
1512
1513void
1514qlafx00_timer_routine(scsi_qla_host_t *vha)
1515{
1516        struct qla_hw_data *ha = vha->hw;
1517        uint32_t fw_heart_beat;
1518        uint32_t aenmbx0;
1519        struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1520        uint32_t tempc;
1521
1522        /* Check firmware health */
1523        if (ha->mr.fw_hbt_cnt)
1524                ha->mr.fw_hbt_cnt--;
1525        else {
1526                if ((!ha->flags.mr_reset_hdlr_active) &&
1527                    (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1528                    (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1529                    (ha->mr.fw_hbt_en)) {
1530                        fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1531                        if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1532                                ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1533                                ha->mr.fw_hbt_miss_cnt = 0;
1534                        } else {
1535                                ha->mr.fw_hbt_miss_cnt++;
1536                                if (ha->mr.fw_hbt_miss_cnt ==
1537                                    QLAFX00_HEARTBEAT_MISS_CNT) {
1538                                        set_bit(ISP_ABORT_NEEDED,
1539                                            &vha->dpc_flags);
1540                                        qla2xxx_wake_dpc(vha);
1541                                        ha->mr.fw_hbt_miss_cnt = 0;
1542                                }
1543                        }
1544                }
1545                ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1546        }
1547
1548        if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1549                /* Reset recovery to be performed in timer routine */
1550                aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1551                if (ha->mr.fw_reset_timer_exp) {
1552                        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1553                        qla2xxx_wake_dpc(vha);
1554                        ha->mr.fw_reset_timer_exp = 0;
1555                } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1556                        /* Wake up DPC to rescan the targets */
1557                        set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1558                        clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1559                        qla2xxx_wake_dpc(vha);
1560                        ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1561                } else if ((aenmbx0 == MBA_FW_STARTING) &&
1562                    (!ha->mr.fw_hbt_en)) {
1563                        ha->mr.fw_hbt_en = 1;
1564                } else if (!ha->mr.fw_reset_timer_tick) {
1565                        if (aenmbx0 == ha->mr.old_aenmbx0_state)
1566                                ha->mr.fw_reset_timer_exp = 1;
1567                        ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1568                } else if (aenmbx0 == 0xFFFFFFFF) {
1569                        uint32_t data0, data1;
1570
1571                        data0 = QLAFX00_RD_REG(ha,
1572                            QLAFX00_BAR1_BASE_ADDR_REG);
1573                        data1 = QLAFX00_RD_REG(ha,
1574                            QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1575
1576                        data0 &= 0xffff0000;
1577                        data1 &= 0x0000ffff;
1578
1579                        QLAFX00_WR_REG(ha,
1580                            QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1581                            (data0 | data1));
1582                } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1583                        ha->mr.fw_reset_timer_tick =
1584                            QLAFX00_MAX_RESET_INTERVAL;
1585                } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1586                        ha->mr.fw_reset_timer_tick =
1587                            QLAFX00_MAX_RESET_INTERVAL;
1588                }
1589                ha->mr.old_aenmbx0_state = aenmbx0;
1590                ha->mr.fw_reset_timer_tick--;
1591        }
1592        if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1593                /*
1594                 * Critical temperature recovery to be
1595                 * performed in timer routine
1596                 */
1597                if (ha->mr.fw_critemp_timer_tick == 0) {
1598                        tempc = QLAFX00_GET_TEMPERATURE(ha);
1599                        ql_dbg(ql_dbg_timer, vha, 0x6012,
1600                            "ISPFx00(%s): Critical temp timer, "
1601                            "current SOC temperature: %d\n",
1602                            __func__, tempc);
1603                        if (tempc < ha->mr.critical_temperature) {
1604                                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1605                                clear_bit(FX00_CRITEMP_RECOVERY,
1606                                    &vha->dpc_flags);
1607                                qla2xxx_wake_dpc(vha);
1608                        }
1609                        ha->mr.fw_critemp_timer_tick =
1610                            QLAFX00_CRITEMP_INTERVAL;
1611                } else {
1612                        ha->mr.fw_critemp_timer_tick--;
1613                }
1614        }
1615}
1616
1617/*
1618 *  qlfx00a_reset_initialize
1619 *      Re-initialize after a iSA device reset.
1620 *
1621 * Input:
1622 *      ha  = adapter block pointer.
1623 *
1624 * Returns:
1625 *      0 = success
1626 */
1627int
1628qlafx00_reset_initialize(scsi_qla_host_t *vha)
1629{
1630        struct qla_hw_data *ha = vha->hw;
1631
1632        if (vha->device_flags & DFLG_DEV_FAILED) {
1633                ql_dbg(ql_dbg_init, vha, 0x0142,
1634                    "Device in failed state\n");
1635                return QLA_SUCCESS;
1636        }
1637
1638        ha->flags.mr_reset_hdlr_active = 1;
1639
1640        if (vha->flags.online) {
1641                scsi_block_requests(vha->host);
1642                qlafx00_abort_isp_cleanup(vha, false);
1643        }
1644
1645        ql_log(ql_log_info, vha, 0x0143,
1646            "(%s): succeeded.\n", __func__);
1647        ha->flags.mr_reset_hdlr_active = 0;
1648        return QLA_SUCCESS;
1649}
1650
1651/*
1652 *  qlafx00_abort_isp
1653 *      Resets ISP and aborts all outstanding commands.
1654 *
1655 * Input:
1656 *      ha  = adapter block pointer.
1657 *
1658 * Returns:
1659 *      0 = success
1660 */
1661int
1662qlafx00_abort_isp(scsi_qla_host_t *vha)
1663{
1664        struct qla_hw_data *ha = vha->hw;
1665
1666        if (vha->flags.online) {
1667                if (unlikely(pci_channel_offline(ha->pdev) &&
1668                    ha->flags.pci_channel_io_perm_failure)) {
1669                        clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1670                        return QLA_SUCCESS;
1671                }
1672
1673                scsi_block_requests(vha->host);
1674                qlafx00_abort_isp_cleanup(vha, false);
1675        } else {
1676                scsi_block_requests(vha->host);
1677                clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1678                vha->qla_stats.total_isp_aborts++;
1679                ha->isp_ops->reset_chip(vha);
1680                set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1681                /* Clear the Interrupts */
1682                QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1683        }
1684
1685        ql_log(ql_log_info, vha, 0x0145,
1686            "(%s): succeeded.\n", __func__);
1687
1688        return QLA_SUCCESS;
1689}
1690
1691static inline fc_port_t*
1692qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1693{
1694        fc_port_t       *fcport;
1695
1696        /* Check for matching device in remote port list. */
1697        fcport = NULL;
1698        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1699                if (fcport->tgt_id == tgt_id) {
1700                        ql_dbg(ql_dbg_async, vha, 0x5072,
1701                            "Matching fcport(%p) found with TGT-ID: 0x%x "
1702                            "and Remote TGT_ID: 0x%x\n",
1703                            fcport, fcport->tgt_id, tgt_id);
1704                        break;
1705                }
1706        }
1707        return fcport;
1708}
1709
1710static void
1711qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1712{
1713        fc_port_t       *fcport;
1714
1715        ql_log(ql_log_info, vha, 0x5073,
1716            "Detach TGT-ID: 0x%x\n", tgt_id);
1717
1718        fcport = qlafx00_get_fcport(vha, tgt_id);
1719        if (!fcport)
1720                return;
1721
1722        qla2x00_mark_device_lost(vha, fcport, 0, 0);
1723
1724        return;
1725}
1726
1727int
1728qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1729{
1730        int rval = 0;
1731        uint32_t aen_code, aen_data;
1732
1733        aen_code = FCH_EVT_VENDOR_UNIQUE;
1734        aen_data = evt->u.aenfx.evtcode;
1735
1736        switch (evt->u.aenfx.evtcode) {
1737        case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1738                if (evt->u.aenfx.mbx[1] == 0) {
1739                        if (evt->u.aenfx.mbx[2] == 1) {
1740                                if (!vha->flags.fw_tgt_reported)
1741                                        vha->flags.fw_tgt_reported = 1;
1742                                atomic_set(&vha->loop_down_timer, 0);
1743                                atomic_set(&vha->loop_state, LOOP_UP);
1744                                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1745                                qla2xxx_wake_dpc(vha);
1746                        } else if (evt->u.aenfx.mbx[2] == 2) {
1747                                qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1748                        }
1749                } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1750                        if (evt->u.aenfx.mbx[2] == 1) {
1751                                if (!vha->flags.fw_tgt_reported)
1752                                        vha->flags.fw_tgt_reported = 1;
1753                                set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1754                        } else if (evt->u.aenfx.mbx[2] == 2) {
1755                                vha->device_flags |= DFLG_NO_CABLE;
1756                                qla2x00_mark_all_devices_lost(vha, 1);
1757                        }
1758                }
1759                break;
1760        case QLAFX00_MBA_LINK_UP:
1761                aen_code = FCH_EVT_LINKUP;
1762                aen_data = 0;
1763                break;
1764        case QLAFX00_MBA_LINK_DOWN:
1765                aen_code = FCH_EVT_LINKDOWN;
1766                aen_data = 0;
1767                break;
1768        case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1769                ql_log(ql_log_info, vha, 0x5082,
1770                    "Process critical temperature event "
1771                    "aenmb[0]: %x\n",
1772                    evt->u.aenfx.evtcode);
1773                scsi_block_requests(vha->host);
1774                qlafx00_abort_isp_cleanup(vha, true);
1775                scsi_unblock_requests(vha->host);
1776                break;
1777        }
1778
1779        fc_host_post_event(vha->host, fc_get_event_number(),
1780            aen_code, aen_data);
1781
1782        return rval;
1783}
1784
1785static void
1786qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1787{
1788        u64 port_name = 0, node_name = 0;
1789
1790        port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1791        node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1792
1793        fc_host_node_name(vha->host) = node_name;
1794        fc_host_port_name(vha->host) = port_name;
1795        if (!pinfo->port_type)
1796                vha->hw->current_topology = ISP_CFG_F;
1797        if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1798                atomic_set(&vha->loop_state, LOOP_READY);
1799        else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1800                atomic_set(&vha->loop_state, LOOP_DOWN);
1801        vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1802}
1803
1804static void
1805qla2x00_fxdisc_iocb_timeout(void *data)
1806{
1807        srb_t *sp = (srb_t *)data;
1808        struct srb_iocb *lio = &sp->u.iocb_cmd;
1809
1810        complete(&lio->u.fxiocb.fxiocb_comp);
1811}
1812
1813static void
1814qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1815{
1816        srb_t *sp = (srb_t *)ptr;
1817        struct srb_iocb *lio = &sp->u.iocb_cmd;
1818
1819        complete(&lio->u.fxiocb.fxiocb_comp);
1820}
1821
1822int
1823qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1824{
1825        srb_t *sp;
1826        struct srb_iocb *fdisc;
1827        int rval = QLA_FUNCTION_FAILED;
1828        struct qla_hw_data *ha = vha->hw;
1829        struct host_system_info *phost_info;
1830        struct register_host_info *preg_hsi;
1831        struct new_utsname *p_sysid = NULL;
1832        struct timeval tv;
1833
1834        sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1835        if (!sp)
1836                goto done;
1837
1838        fdisc = &sp->u.iocb_cmd;
1839        switch (fx_type) {
1840        case FXDISC_GET_CONFIG_INFO:
1841        fdisc->u.fxiocb.flags =
1842                    SRB_FXDISC_RESP_DMA_VALID;
1843                fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1844                break;
1845        case FXDISC_GET_PORT_INFO:
1846                fdisc->u.fxiocb.flags =
1847                    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1848                fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1849                fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1850                break;
1851        case FXDISC_GET_TGT_NODE_INFO:
1852                fdisc->u.fxiocb.flags =
1853                    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1854                fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1855                fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1856                break;
1857        case FXDISC_GET_TGT_NODE_LIST:
1858                fdisc->u.fxiocb.flags =
1859                    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1860                fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1861                break;
1862        case FXDISC_REG_HOST_INFO:
1863                fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1864                fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1865                p_sysid = utsname();
1866                if (!p_sysid) {
1867                        ql_log(ql_log_warn, vha, 0x303c,
1868                            "Not able to get the system information\n");
1869                        goto done_free_sp;
1870                }
1871                break;
1872        default:
1873                break;
1874        }
1875
1876        if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1877                fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1878                    fdisc->u.fxiocb.req_len,
1879                    &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1880                if (!fdisc->u.fxiocb.req_addr)
1881                        goto done_free_sp;
1882
1883                if (fx_type == FXDISC_REG_HOST_INFO) {
1884                        preg_hsi = (struct register_host_info *)
1885                                fdisc->u.fxiocb.req_addr;
1886                        phost_info = &preg_hsi->hsi;
1887                        memset(preg_hsi, 0, sizeof(struct register_host_info));
1888                        phost_info->os_type = OS_TYPE_LINUX;
1889                        strncpy(phost_info->sysname,
1890                            p_sysid->sysname, SYSNAME_LENGTH);
1891                        strncpy(phost_info->nodename,
1892                            p_sysid->nodename, NODENAME_LENGTH);
1893                        strncpy(phost_info->release,
1894                            p_sysid->release, RELEASE_LENGTH);
1895                        strncpy(phost_info->version,
1896                            p_sysid->version, VERSION_LENGTH);
1897                        strncpy(phost_info->machine,
1898                            p_sysid->machine, MACHINE_LENGTH);
1899                        strncpy(phost_info->domainname,
1900                            p_sysid->domainname, DOMNAME_LENGTH);
1901                        strncpy(phost_info->hostdriver,
1902                            QLA2XXX_VERSION, VERSION_LENGTH);
1903                        do_gettimeofday(&tv);
1904                        preg_hsi->utc = (uint64_t)tv.tv_sec;
1905                        ql_dbg(ql_dbg_init, vha, 0x0149,
1906                            "ISP%04X: Host registration with firmware\n",
1907                            ha->pdev->device);
1908                        ql_dbg(ql_dbg_init, vha, 0x014a,
1909                            "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1910                            phost_info->os_type,
1911                            phost_info->sysname,
1912                            phost_info->nodename);
1913                        ql_dbg(ql_dbg_init, vha, 0x014b,
1914                            "release = '%s', version = '%s'\n",
1915                            phost_info->release,
1916                            phost_info->version);
1917                        ql_dbg(ql_dbg_init, vha, 0x014c,
1918                            "machine = '%s' "
1919                            "domainname = '%s', hostdriver = '%s'\n",
1920                            phost_info->machine,
1921                            phost_info->domainname,
1922                            phost_info->hostdriver);
1923                        ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1924                            (uint8_t *)phost_info,
1925                            sizeof(struct host_system_info));
1926                }
1927        }
1928
1929        if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1930                fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1931                    fdisc->u.fxiocb.rsp_len,
1932                    &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1933                if (!fdisc->u.fxiocb.rsp_addr)
1934                        goto done_unmap_req;
1935        }
1936
1937        sp->type = SRB_FXIOCB_DCMD;
1938        sp->name = "fxdisc";
1939        qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1940        fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1941        fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1942        sp->done = qla2x00_fxdisc_sp_done;
1943
1944        rval = qla2x00_start_sp(sp);
1945        if (rval != QLA_SUCCESS)
1946                goto done_unmap_dma;
1947
1948        wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1949
1950        if (fx_type == FXDISC_GET_CONFIG_INFO) {
1951                struct config_info_data *pinfo =
1952                    (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1953                memcpy(&vha->hw->mr.product_name, pinfo->product_name,
1954                    sizeof(vha->hw->mr.product_name));
1955                memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1956                    sizeof(vha->hw->mr.symbolic_name));
1957                memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1958                    sizeof(vha->hw->mr.serial_num));
1959                memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1960                    sizeof(vha->hw->mr.hw_version));
1961                memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1962                    sizeof(vha->hw->mr.fw_version));
1963                strim(vha->hw->mr.fw_version);
1964                memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1965                    sizeof(vha->hw->mr.uboot_version));
1966                memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1967                    sizeof(vha->hw->mr.fru_serial_num));
1968                vha->hw->mr.critical_temperature =
1969                    (pinfo->nominal_temp_value) ?
1970                    pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1971                ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1972                    QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1973        } else if (fx_type == FXDISC_GET_PORT_INFO) {
1974                struct port_info_data *pinfo =
1975                    (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1976                memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1977                memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1978                vha->d_id.b.domain = pinfo->port_id[0];
1979                vha->d_id.b.area = pinfo->port_id[1];
1980                vha->d_id.b.al_pa = pinfo->port_id[2];
1981                qlafx00_update_host_attr(vha, pinfo);
1982                ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1983                    (uint8_t *)pinfo, 16);
1984        } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1985                struct qlafx00_tgt_node_info *pinfo =
1986                    (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1987                memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1988                memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1989                fcport->port_type = FCT_TARGET;
1990                ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1991                    (uint8_t *)pinfo, 16);
1992        } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1993                struct qlafx00_tgt_node_info *pinfo =
1994                    (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1995                ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1996                    (uint8_t *)pinfo, 16);
1997                memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1998        }
1999        rval = le32_to_cpu(fdisc->u.fxiocb.result);
2000
2001done_unmap_dma:
2002        if (fdisc->u.fxiocb.rsp_addr)
2003                dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2004                    fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2005
2006done_unmap_req:
2007        if (fdisc->u.fxiocb.req_addr)
2008                dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2009                    fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2010done_free_sp:
2011        sp->free(vha, sp);
2012done:
2013        return rval;
2014}
2015
2016static void
2017qlafx00_abort_iocb_timeout(void *data)
2018{
2019        srb_t *sp = (srb_t *)data;
2020        struct srb_iocb *abt = &sp->u.iocb_cmd;
2021
2022        abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2023        complete(&abt->u.abt.comp);
2024}
2025
2026static void
2027qlafx00_abort_sp_done(void *data, void *ptr, int res)
2028{
2029        srb_t *sp = (srb_t *)ptr;
2030        struct srb_iocb *abt = &sp->u.iocb_cmd;
2031
2032        complete(&abt->u.abt.comp);
2033}
2034
2035static int
2036qlafx00_async_abt_cmd(srb_t *cmd_sp)
2037{
2038        scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2039        fc_port_t *fcport = cmd_sp->fcport;
2040        struct srb_iocb *abt_iocb;
2041        srb_t *sp;
2042        int rval = QLA_FUNCTION_FAILED;
2043
2044        sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2045        if (!sp)
2046                goto done;
2047
2048        abt_iocb = &sp->u.iocb_cmd;
2049        sp->type = SRB_ABT_CMD;
2050        sp->name = "abort";
2051        qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2052        abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2053        sp->done = qlafx00_abort_sp_done;
2054        abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2055        init_completion(&abt_iocb->u.abt.comp);
2056
2057        rval = qla2x00_start_sp(sp);
2058        if (rval != QLA_SUCCESS)
2059                goto done_free_sp;
2060
2061        ql_dbg(ql_dbg_async, vha, 0x507c,
2062            "Abort command issued - hdl=%x, target_id=%x\n",
2063            cmd_sp->handle, fcport->tgt_id);
2064
2065        wait_for_completion(&abt_iocb->u.abt.comp);
2066
2067        rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2068            QLA_SUCCESS : QLA_FUNCTION_FAILED;
2069
2070done_free_sp:
2071        sp->free(vha, sp);
2072done:
2073        return rval;
2074}
2075
2076int
2077qlafx00_abort_command(srb_t *sp)
2078{
2079        unsigned long   flags = 0;
2080
2081        uint32_t        handle;
2082        fc_port_t       *fcport = sp->fcport;
2083        struct scsi_qla_host *vha = fcport->vha;
2084        struct qla_hw_data *ha = vha->hw;
2085        struct req_que *req = vha->req;
2086
2087        spin_lock_irqsave(&ha->hardware_lock, flags);
2088        for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2089                if (req->outstanding_cmds[handle] == sp)
2090                        break;
2091        }
2092        spin_unlock_irqrestore(&ha->hardware_lock, flags);
2093        if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2094                /* Command not found. */
2095                return QLA_FUNCTION_FAILED;
2096        }
2097        return qlafx00_async_abt_cmd(sp);
2098}
2099
2100/*
2101 * qlafx00_initialize_adapter
2102 *      Initialize board.
2103 *
2104 * Input:
2105 *      ha = adapter block pointer.
2106 *
2107 * Returns:
2108 *      0 = success
2109 */
2110int
2111qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2112{
2113        int     rval;
2114        struct qla_hw_data *ha = vha->hw;
2115        uint32_t tempc;
2116
2117        /* Clear adapter flags. */
2118        vha->flags.online = 0;
2119        ha->flags.chip_reset_done = 0;
2120        vha->flags.reset_active = 0;
2121        ha->flags.pci_channel_io_perm_failure = 0;
2122        ha->flags.eeh_busy = 0;
2123        atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2124        atomic_set(&vha->loop_state, LOOP_DOWN);
2125        vha->device_flags = DFLG_NO_CABLE;
2126        vha->dpc_flags = 0;
2127        vha->flags.management_server_logged_in = 0;
2128        vha->marker_needed = 0;
2129        ha->isp_abort_cnt = 0;
2130        ha->beacon_blink_led = 0;
2131
2132        set_bit(0, ha->req_qid_map);
2133        set_bit(0, ha->rsp_qid_map);
2134
2135        ql_dbg(ql_dbg_init, vha, 0x0147,
2136            "Configuring PCI space...\n");
2137
2138        rval = ha->isp_ops->pci_config(vha);
2139        if (rval) {
2140                ql_log(ql_log_warn, vha, 0x0148,
2141                    "Unable to configure PCI space.\n");
2142                return rval;
2143        }
2144
2145        rval = qlafx00_init_fw_ready(vha);
2146        if (rval != QLA_SUCCESS)
2147                return rval;
2148
2149        qlafx00_save_queue_ptrs(vha);
2150
2151        rval = qlafx00_config_queues(vha);
2152        if (rval != QLA_SUCCESS)
2153                return rval;
2154
2155        /*
2156         * Allocate the array of outstanding commands
2157         * now that we know the firmware resources.
2158         */
2159        rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2160        if (rval != QLA_SUCCESS)
2161                return rval;
2162
2163        rval = qla2x00_init_rings(vha);
2164        ha->flags.chip_reset_done = 1;
2165
2166        tempc = QLAFX00_GET_TEMPERATURE(ha);
2167        ql_dbg(ql_dbg_init, vha, 0x0152,
2168            "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2169            __func__, tempc);
2170
2171        return rval;
2172}
2173
2174uint32_t
2175qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2176                      char *buf)
2177{
2178        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2179        int rval = QLA_FUNCTION_FAILED;
2180        uint32_t state[1];
2181
2182        if (qla2x00_reset_active(vha))
2183                ql_log(ql_log_warn, vha, 0x70ce,
2184                    "ISP reset active.\n");
2185        else if (!vha->hw->flags.eeh_busy) {
2186                rval = qlafx00_get_firmware_state(vha, state);
2187        }
2188        if (rval != QLA_SUCCESS)
2189                memset(state, -1, sizeof(state));
2190
2191        return state[0];
2192}
2193
2194void
2195qlafx00_get_host_speed(struct Scsi_Host *shost)
2196{
2197        struct qla_hw_data *ha = ((struct scsi_qla_host *)
2198                                        (shost_priv(shost)))->hw;
2199        u32 speed = FC_PORTSPEED_UNKNOWN;
2200
2201        switch (ha->link_data_rate) {
2202        case QLAFX00_PORT_SPEED_2G:
2203                speed = FC_PORTSPEED_2GBIT;
2204                break;
2205        case QLAFX00_PORT_SPEED_4G:
2206                speed = FC_PORTSPEED_4GBIT;
2207                break;
2208        case QLAFX00_PORT_SPEED_8G:
2209                speed = FC_PORTSPEED_8GBIT;
2210                break;
2211        case QLAFX00_PORT_SPEED_10G:
2212                speed = FC_PORTSPEED_10GBIT;
2213                break;
2214        }
2215        fc_host_speed(shost) = speed;
2216}
2217
2218/** QLAFX00 specific ISR implementation functions */
2219
2220static inline void
2221qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2222                     uint32_t sense_len, struct rsp_que *rsp, int res)
2223{
2224        struct scsi_qla_host *vha = sp->fcport->vha;
2225        struct scsi_cmnd *cp = GET_CMD_SP(sp);
2226        uint32_t track_sense_len;
2227
2228        SET_FW_SENSE_LEN(sp, sense_len);
2229
2230        if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2231                sense_len = SCSI_SENSE_BUFFERSIZE;
2232
2233        SET_CMD_SENSE_LEN(sp, sense_len);
2234        SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2235        track_sense_len = sense_len;
2236
2237        if (sense_len > par_sense_len)
2238                sense_len = par_sense_len;
2239
2240        memcpy(cp->sense_buffer, sense_data, sense_len);
2241
2242        SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2243
2244        SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2245        track_sense_len -= sense_len;
2246        SET_CMD_SENSE_LEN(sp, track_sense_len);
2247
2248        ql_dbg(ql_dbg_io, vha, 0x304d,
2249            "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2250            sense_len, par_sense_len, track_sense_len);
2251        if (GET_FW_SENSE_LEN(sp) > 0) {
2252                rsp->status_srb = sp;
2253                cp->result = res;
2254        }
2255
2256        if (sense_len) {
2257                ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2258                    "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2259                    sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2260                    cp);
2261                ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2262                    cp->sense_buffer, sense_len);
2263        }
2264}
2265
2266static void
2267qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2268                      struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2269                      __le16 sstatus, __le16 cpstatus)
2270{
2271        struct srb_iocb *tmf;
2272
2273        tmf = &sp->u.iocb_cmd;
2274        if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2275            (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2276                cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2277        tmf->u.tmf.comp_status = cpstatus;
2278        sp->done(vha, sp, 0);
2279}
2280
2281static void
2282qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2283                         struct abort_iocb_entry_fx00 *pkt)
2284{
2285        const char func[] = "ABT_IOCB";
2286        srb_t *sp;
2287        struct srb_iocb *abt;
2288
2289        sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2290        if (!sp)
2291                return;
2292
2293        abt = &sp->u.iocb_cmd;
2294        abt->u.abt.comp_status = pkt->tgt_id_sts;
2295        sp->done(vha, sp, 0);
2296}
2297
2298static void
2299qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2300                         struct ioctl_iocb_entry_fx00 *pkt)
2301{
2302        const char func[] = "IOSB_IOCB";
2303        srb_t *sp;
2304        struct fc_bsg_job *bsg_job;
2305        struct srb_iocb *iocb_job;
2306        int res;
2307        struct qla_mt_iocb_rsp_fx00 fstatus;
2308        uint8_t *fw_sts_ptr;
2309
2310        sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2311        if (!sp)
2312                return;
2313
2314        if (sp->type == SRB_FXIOCB_DCMD) {
2315                iocb_job = &sp->u.iocb_cmd;
2316                iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2317                iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2318                iocb_job->u.fxiocb.result = pkt->status;
2319                if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2320                        iocb_job->u.fxiocb.req_data =
2321                            pkt->dataword_r;
2322        } else {
2323                bsg_job = sp->u.bsg_job;
2324
2325                memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2326
2327                fstatus.reserved_1 = pkt->reserved_0;
2328                fstatus.func_type = pkt->comp_func_num;
2329                fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2330                fstatus.ioctl_data = pkt->dataword_r;
2331                fstatus.adapid = pkt->adapid;
2332                fstatus.adapid_hi = pkt->adapid_hi;
2333                fstatus.reserved_2 = pkt->reserved_1;
2334                fstatus.res_count = pkt->residuallen;
2335                fstatus.status = pkt->status;
2336                fstatus.seq_number = pkt->seq_no;
2337                memcpy(fstatus.reserved_3,
2338                    pkt->reserved_2, 20 * sizeof(uint8_t));
2339
2340                fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2341                    sizeof(struct fc_bsg_reply);
2342
2343                memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2344                    sizeof(struct qla_mt_iocb_rsp_fx00));
2345                bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2346                        sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2347
2348                ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2349                    sp->fcport->vha, 0x5080,
2350                    (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2351
2352                ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2353                    sp->fcport->vha, 0x5074,
2354                    (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2355
2356                res = bsg_job->reply->result = DID_OK << 16;
2357                bsg_job->reply->reply_payload_rcv_len =
2358                    bsg_job->reply_payload.payload_len;
2359        }
2360        sp->done(vha, sp, res);
2361}
2362
2363/**
2364 * qlafx00_status_entry() - Process a Status IOCB entry.
2365 * @ha: SCSI driver HA context
2366 * @pkt: Entry pointer
2367 */
2368static void
2369qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2370{
2371        srb_t           *sp;
2372        fc_port_t       *fcport;
2373        struct scsi_cmnd *cp;
2374        struct sts_entry_fx00 *sts;
2375        __le16          comp_status;
2376        __le16          scsi_status;
2377        uint16_t        ox_id;
2378        __le16          lscsi_status;
2379        int32_t         resid;
2380        uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2381            fw_resid_len;
2382        uint8_t         *rsp_info = NULL, *sense_data = NULL;
2383        struct qla_hw_data *ha = vha->hw;
2384        uint32_t hindex, handle;
2385        uint16_t que;
2386        struct req_que *req;
2387        int logit = 1;
2388        int res = 0;
2389
2390        sts = (struct sts_entry_fx00 *) pkt;
2391
2392        comp_status = sts->comp_status;
2393        scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2394        hindex = sts->handle;
2395        handle = LSW(hindex);
2396
2397        que = MSW(hindex);
2398        req = ha->req_q_map[que];
2399
2400        /* Validate handle. */
2401        if (handle < req->num_outstanding_cmds)
2402                sp = req->outstanding_cmds[handle];
2403        else
2404                sp = NULL;
2405
2406        if (sp == NULL) {
2407                ql_dbg(ql_dbg_io, vha, 0x3034,
2408                    "Invalid status handle (0x%x).\n", handle);
2409
2410                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2411                qla2xxx_wake_dpc(vha);
2412                return;
2413        }
2414
2415        if (sp->type == SRB_TM_CMD) {
2416                req->outstanding_cmds[handle] = NULL;
2417                qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2418                    scsi_status, comp_status);
2419                return;
2420        }
2421
2422        /* Fast path completion. */
2423        if (comp_status == CS_COMPLETE && scsi_status == 0) {
2424                qla2x00_do_host_ramp_up(vha);
2425                qla2x00_process_completed_request(vha, req, handle);
2426                return;
2427        }
2428
2429        req->outstanding_cmds[handle] = NULL;
2430        cp = GET_CMD_SP(sp);
2431        if (cp == NULL) {
2432                ql_dbg(ql_dbg_io, vha, 0x3048,
2433                    "Command already returned (0x%x/%p).\n",
2434                    handle, sp);
2435
2436                return;
2437        }
2438
2439        lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2440
2441        fcport = sp->fcport;
2442
2443        ox_id = 0;
2444        sense_len = par_sense_len = rsp_info_len = resid_len =
2445                fw_resid_len = 0;
2446        if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2447                sense_len = sts->sense_len;
2448        if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2449            | (uint16_t)SS_RESIDUAL_OVER)))
2450                resid_len = le32_to_cpu(sts->residual_len);
2451        if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2452                fw_resid_len = le32_to_cpu(sts->residual_len);
2453        rsp_info = sense_data = sts->data;
2454        par_sense_len = sizeof(sts->data);
2455
2456        /* Check for overrun. */
2457        if (comp_status == CS_COMPLETE &&
2458            scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2459                comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2460
2461        /*
2462         * Based on Host and scsi status generate status code for Linux
2463         */
2464        switch (le16_to_cpu(comp_status)) {
2465        case CS_COMPLETE:
2466        case CS_QUEUE_FULL:
2467                if (scsi_status == 0) {
2468                        res = DID_OK << 16;
2469                        break;
2470                }
2471                if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2472                    | (uint16_t)SS_RESIDUAL_OVER))) {
2473                        resid = resid_len;
2474                        scsi_set_resid(cp, resid);
2475
2476                        if (!lscsi_status &&
2477                            ((unsigned)(scsi_bufflen(cp) - resid) <
2478                             cp->underflow)) {
2479                                ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2480                                    "Mid-layer underflow "
2481                                    "detected (0x%x of 0x%x bytes).\n",
2482                                    resid, scsi_bufflen(cp));
2483
2484                                res = DID_ERROR << 16;
2485                                break;
2486                        }
2487                }
2488                res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2489
2490                if (lscsi_status ==
2491                    cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2492                        ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2493                            "QUEUE FULL detected.\n");
2494                        break;
2495                }
2496                logit = 0;
2497                if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2498                        break;
2499
2500                memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2501                if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2502                        break;
2503
2504                qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2505                    rsp, res);
2506                break;
2507
2508        case CS_DATA_UNDERRUN:
2509                /* Use F/W calculated residual length. */
2510                if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2511                        resid = fw_resid_len;
2512                else
2513                        resid = resid_len;
2514                scsi_set_resid(cp, resid);
2515                if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2516                        if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2517                            && fw_resid_len != resid_len) {
2518                                ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2519                                    "Dropped frame(s) detected "
2520                                    "(0x%x of 0x%x bytes).\n",
2521                                    resid, scsi_bufflen(cp));
2522
2523                                res = DID_ERROR << 16 |
2524                                    le16_to_cpu(lscsi_status);
2525                                goto check_scsi_status;
2526                        }
2527
2528                        if (!lscsi_status &&
2529                            ((unsigned)(scsi_bufflen(cp) - resid) <
2530                            cp->underflow)) {
2531                                ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2532                                    "Mid-layer underflow "
2533                                    "detected (0x%x of 0x%x bytes, "
2534                                    "cp->underflow: 0x%x).\n",
2535                                    resid, scsi_bufflen(cp), cp->underflow);
2536
2537                                res = DID_ERROR << 16;
2538                                break;
2539                        }
2540                } else if (lscsi_status !=
2541                    cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2542                    lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2543                        /*
2544                         * scsi status of task set and busy are considered
2545                         * to be task not completed.
2546                         */
2547
2548                        ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2549                            "Dropped frame(s) detected (0x%x "
2550                            "of 0x%x bytes).\n", resid,
2551                            scsi_bufflen(cp));
2552
2553                        res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2554                        goto check_scsi_status;
2555                } else {
2556                        ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2557                            "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2558                            scsi_status, lscsi_status);
2559                }
2560
2561                res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2562                logit = 0;
2563
2564check_scsi_status:
2565                /*
2566                 * Check to see if SCSI Status is non zero. If so report SCSI
2567                 * Status.
2568                 */
2569                if (lscsi_status != 0) {
2570                        if (lscsi_status ==
2571                            cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2572                                ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2573                                    "QUEUE FULL detected.\n");
2574                                logit = 1;
2575                                break;
2576                        }
2577                        if (lscsi_status !=
2578                            cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2579                                break;
2580
2581                        memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2582                        if (!(scsi_status &
2583                            cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2584                                break;
2585
2586                        qlafx00_handle_sense(sp, sense_data, par_sense_len,
2587                            sense_len, rsp, res);
2588                }
2589                break;
2590
2591        case CS_PORT_LOGGED_OUT:
2592        case CS_PORT_CONFIG_CHG:
2593        case CS_PORT_BUSY:
2594        case CS_INCOMPLETE:
2595        case CS_PORT_UNAVAILABLE:
2596        case CS_TIMEOUT:
2597        case CS_RESET:
2598
2599                /*
2600                 * We are going to have the fc class block the rport
2601                 * while we try to recover so instruct the mid layer
2602                 * to requeue until the class decides how to handle this.
2603                 */
2604                res = DID_TRANSPORT_DISRUPTED << 16;
2605
2606                ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2607                    "Port down status: port-state=0x%x.\n",
2608                    atomic_read(&fcport->state));
2609
2610                if (atomic_read(&fcport->state) == FCS_ONLINE)
2611                        qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2612                break;
2613
2614        case CS_ABORTED:
2615                res = DID_RESET << 16;
2616                break;
2617
2618        default:
2619                res = DID_ERROR << 16;
2620                break;
2621        }
2622
2623        if (logit)
2624                ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2625                    "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2626                    "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2627                    "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2628                    "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2629                    comp_status, scsi_status, res, vha->host_no,
2630                    cp->device->id, cp->device->lun, fcport->tgt_id,
2631                    lscsi_status, cp->cmnd, scsi_bufflen(cp),
2632                    rsp_info_len, resid_len, fw_resid_len, sense_len,
2633                    par_sense_len, rsp_info_len);
2634
2635        if (!res)
2636                qla2x00_do_host_ramp_up(vha);
2637
2638        if (rsp->status_srb == NULL)
2639                sp->done(ha, sp, res);
2640}
2641
2642/**
2643 * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2644 * @ha: SCSI driver HA context
2645 * @pkt: Entry pointer
2646 *
2647 * Extended sense data.
2648 */
2649static void
2650qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2651{
2652        uint8_t sense_sz = 0;
2653        struct qla_hw_data *ha = rsp->hw;
2654        struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2655        srb_t *sp = rsp->status_srb;
2656        struct scsi_cmnd *cp;
2657        uint32_t sense_len;
2658        uint8_t *sense_ptr;
2659
2660        if (!sp) {
2661                ql_dbg(ql_dbg_io, vha, 0x3037,
2662                    "no SP, sp = %p\n", sp);
2663                return;
2664        }
2665
2666        if (!GET_FW_SENSE_LEN(sp)) {
2667                ql_dbg(ql_dbg_io, vha, 0x304b,
2668                    "no fw sense data, sp = %p\n", sp);
2669                return;
2670        }
2671        cp = GET_CMD_SP(sp);
2672        if (cp == NULL) {
2673                ql_log(ql_log_warn, vha, 0x303b,
2674                    "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2675
2676                rsp->status_srb = NULL;
2677                return;
2678        }
2679
2680        if (!GET_CMD_SENSE_LEN(sp)) {
2681                ql_dbg(ql_dbg_io, vha, 0x304c,
2682                    "no sense data, sp = %p\n", sp);
2683        } else {
2684                sense_len = GET_CMD_SENSE_LEN(sp);
2685                sense_ptr = GET_CMD_SENSE_PTR(sp);
2686                ql_dbg(ql_dbg_io, vha, 0x304f,
2687                    "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2688                    sp, sense_len, sense_ptr);
2689
2690                if (sense_len > sizeof(pkt->data))
2691                        sense_sz = sizeof(pkt->data);
2692                else
2693                        sense_sz = sense_len;
2694
2695                /* Move sense data. */
2696                ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2697                    (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2698                memcpy(sense_ptr, pkt->data, sense_sz);
2699                ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2700                    sense_ptr, sense_sz);
2701
2702                sense_len -= sense_sz;
2703                sense_ptr += sense_sz;
2704
2705                SET_CMD_SENSE_PTR(sp, sense_ptr);
2706                SET_CMD_SENSE_LEN(sp, sense_len);
2707        }
2708        sense_len = GET_FW_SENSE_LEN(sp);
2709        sense_len = (sense_len > sizeof(pkt->data)) ?
2710            (sense_len - sizeof(pkt->data)) : 0;
2711        SET_FW_SENSE_LEN(sp, sense_len);
2712
2713        /* Place command on done queue. */
2714        if (sense_len == 0) {
2715                rsp->status_srb = NULL;
2716                sp->done(ha, sp, cp->result);
2717        }
2718}
2719
2720/**
2721 * qlafx00_multistatus_entry() - Process Multi response queue entries.
2722 * @ha: SCSI driver HA context
2723 */
2724static void
2725qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2726        struct rsp_que *rsp, void *pkt)
2727{
2728        srb_t           *sp;
2729        struct multi_sts_entry_fx00 *stsmfx;
2730        struct qla_hw_data *ha = vha->hw;
2731        uint32_t handle, hindex, handle_count, i;
2732        uint16_t que;
2733        struct req_que *req;
2734        __le32 *handle_ptr;
2735
2736        stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2737
2738        handle_count = stsmfx->handle_count;
2739
2740        if (handle_count > MAX_HANDLE_COUNT) {
2741                ql_dbg(ql_dbg_io, vha, 0x3035,
2742                    "Invalid handle count (0x%x).\n", handle_count);
2743                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2744                qla2xxx_wake_dpc(vha);
2745                return;
2746        }
2747
2748        handle_ptr =  &stsmfx->handles[0];
2749
2750        for (i = 0; i < handle_count; i++) {
2751                hindex = le32_to_cpu(*handle_ptr);
2752                handle = LSW(hindex);
2753                que = MSW(hindex);
2754                req = ha->req_q_map[que];
2755
2756                /* Validate handle. */
2757                if (handle < req->num_outstanding_cmds)
2758                        sp = req->outstanding_cmds[handle];
2759                else
2760                        sp = NULL;
2761
2762                if (sp == NULL) {
2763                        ql_dbg(ql_dbg_io, vha, 0x3044,
2764                            "Invalid status handle (0x%x).\n", handle);
2765                        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2766                        qla2xxx_wake_dpc(vha);
2767                        return;
2768                }
2769                qla2x00_process_completed_request(vha, req, handle);
2770                handle_ptr++;
2771        }
2772}
2773
2774/**
2775 * qlafx00_error_entry() - Process an error entry.
2776 * @ha: SCSI driver HA context
2777 * @pkt: Entry pointer
2778 */
2779static void
2780qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2781                    struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2782{
2783        srb_t *sp;
2784        struct qla_hw_data *ha = vha->hw;
2785        const char func[] = "ERROR-IOCB";
2786        uint16_t que = MSW(pkt->handle);
2787        struct req_que *req = NULL;
2788        int res = DID_ERROR << 16;
2789
2790        ql_dbg(ql_dbg_async, vha, 0x507f,
2791            "type of error status in response: 0x%x\n", estatus);
2792
2793        req = ha->req_q_map[que];
2794
2795        sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2796        if (sp) {
2797                sp->done(ha, sp, res);
2798                return;
2799        }
2800
2801        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2802        qla2xxx_wake_dpc(vha);
2803}
2804
2805/**
2806 * qlafx00_process_response_queue() - Process response queue entries.
2807 * @ha: SCSI driver HA context
2808 */
2809static void
2810qlafx00_process_response_queue(struct scsi_qla_host *vha,
2811        struct rsp_que *rsp)
2812{
2813        struct sts_entry_fx00 *pkt;
2814        response_t *lptr;
2815
2816        while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2817            RESPONSE_PROCESSED) {
2818                lptr = rsp->ring_ptr;
2819                memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2820                    sizeof(rsp->rsp_pkt));
2821                pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2822
2823                rsp->ring_index++;
2824                if (rsp->ring_index == rsp->length) {
2825                        rsp->ring_index = 0;
2826                        rsp->ring_ptr = rsp->ring;
2827                } else {
2828                        rsp->ring_ptr++;
2829                }
2830
2831                if (pkt->entry_status != 0 &&
2832                    pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2833                        qlafx00_error_entry(vha, rsp,
2834                            (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2835                            pkt->entry_type);
2836                        goto next_iter;
2837                        continue;
2838                }
2839
2840                switch (pkt->entry_type) {
2841                case STATUS_TYPE_FX00:
2842                        qlafx00_status_entry(vha, rsp, pkt);
2843                        break;
2844
2845                case STATUS_CONT_TYPE_FX00:
2846                        qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2847                        break;
2848
2849                case MULTI_STATUS_TYPE_FX00:
2850                        qlafx00_multistatus_entry(vha, rsp, pkt);
2851                        break;
2852
2853                case ABORT_IOCB_TYPE_FX00:
2854                        qlafx00_abort_iocb_entry(vha, rsp->req,
2855                           (struct abort_iocb_entry_fx00 *)pkt);
2856                        break;
2857
2858                case IOCTL_IOSB_TYPE_FX00:
2859                        qlafx00_ioctl_iosb_entry(vha, rsp->req,
2860                            (struct ioctl_iocb_entry_fx00 *)pkt);
2861                        break;
2862                default:
2863                        /* Type Not Supported. */
2864                        ql_dbg(ql_dbg_async, vha, 0x5081,
2865                            "Received unknown response pkt type %x "
2866                            "entry status=%x.\n",
2867                            pkt->entry_type, pkt->entry_status);
2868                        break;
2869                }
2870next_iter:
2871                WRT_REG_DWORD((void __iomem *)&lptr->signature,
2872                    RESPONSE_PROCESSED);
2873                wmb();
2874        }
2875
2876        /* Adjust ring index */
2877        WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2878}
2879
2880/**
2881 * qlafx00_async_event() - Process aynchronous events.
2882 * @ha: SCSI driver HA context
2883 */
2884static void
2885qlafx00_async_event(scsi_qla_host_t *vha)
2886{
2887        struct qla_hw_data *ha = vha->hw;
2888        struct device_reg_fx00 __iomem *reg;
2889        int data_size = 1;
2890
2891        reg = &ha->iobase->ispfx00;
2892        /* Setup to process RIO completion. */
2893        switch (ha->aenmb[0]) {
2894        case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2895                ql_log(ql_log_warn, vha, 0x5079,
2896                    "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2897                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2898                break;
2899
2900        case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2901                ql_dbg(ql_dbg_async, vha, 0x5076,
2902                    "Asynchronous FW shutdown requested.\n");
2903                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2904                qla2xxx_wake_dpc(vha);
2905                break;
2906
2907        case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2908                ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2909                ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2910                ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2911                ql_dbg(ql_dbg_async, vha, 0x5077,
2912                    "Asynchronous port Update received "
2913                    "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2914                    ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2915                data_size = 4;
2916                break;
2917
2918        case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2919                ql_log(ql_log_info, vha, 0x5085,
2920                    "Asynchronous over temperature event received "
2921                    "aenmb[0]: %x\n",
2922                    ha->aenmb[0]);
2923                break;
2924
2925        case QLAFX00_MBA_TEMP_NORM:     /* Normal temperature event */
2926                ql_log(ql_log_info, vha, 0x5086,
2927                    "Asynchronous normal temperature event received "
2928                    "aenmb[0]: %x\n",
2929                    ha->aenmb[0]);
2930                break;
2931
2932        case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2933                ql_log(ql_log_info, vha, 0x5083,
2934                    "Asynchronous critical temperature event received "
2935                    "aenmb[0]: %x\n",
2936                ha->aenmb[0]);
2937                break;
2938
2939        default:
2940                ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2941                ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2942                ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2943                ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2944                ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2945                ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2946                ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2947                ql_dbg(ql_dbg_async, vha, 0x5078,
2948                    "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2949                    ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2950                    ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2951                break;
2952        }
2953        qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2954            (uint32_t *)ha->aenmb, data_size);
2955}
2956
2957/**
2958 *
2959 * qlafx00x_mbx_completion() - Process mailbox command completions.
2960 * @ha: SCSI driver HA context
2961 * @mb16: Mailbox16 register
2962 */
2963static void
2964qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2965{
2966        uint16_t        cnt;
2967        uint16_t __iomem *wptr;
2968        struct qla_hw_data *ha = vha->hw;
2969        struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2970
2971        if (!ha->mcp32)
2972                ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2973
2974        /* Load return mailbox registers. */
2975        ha->flags.mbox_int = 1;
2976        ha->mailbox_out32[0] = mb0;
2977        wptr = (uint16_t __iomem *)&reg->mailbox17;
2978
2979        for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2980                ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
2981                wptr++;
2982        }
2983}
2984
2985/**
2986 * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2987 * @irq:
2988 * @dev_id: SCSI driver HA context
2989 *
2990 * Called by system whenever the host adapter generates an interrupt.
2991 *
2992 * Returns handled flag.
2993 */
2994irqreturn_t
2995qlafx00_intr_handler(int irq, void *dev_id)
2996{
2997        scsi_qla_host_t *vha;
2998        struct qla_hw_data *ha;
2999        struct device_reg_fx00 __iomem *reg;
3000        int             status;
3001        unsigned long   iter;
3002        uint32_t        stat;
3003        uint32_t        mb[8];
3004        struct rsp_que *rsp;
3005        unsigned long   flags;
3006        uint32_t clr_intr = 0;
3007
3008        rsp = (struct rsp_que *) dev_id;
3009        if (!rsp) {
3010                ql_log(ql_log_info, NULL, 0x507d,
3011                    "%s: NULL response queue pointer.\n", __func__);
3012                return IRQ_NONE;
3013        }
3014
3015        ha = rsp->hw;
3016        reg = &ha->iobase->ispfx00;
3017        status = 0;
3018
3019        if (unlikely(pci_channel_offline(ha->pdev)))
3020                return IRQ_HANDLED;
3021
3022        spin_lock_irqsave(&ha->hardware_lock, flags);
3023        vha = pci_get_drvdata(ha->pdev);
3024        for (iter = 50; iter--; clr_intr = 0) {
3025                stat = QLAFX00_RD_INTR_REG(ha);
3026                if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3027                        break;
3028
3029                switch (stat & QLAFX00_HST_INT_STS_BITS) {
3030                case QLAFX00_INTR_MB_CMPLT:
3031                case QLAFX00_INTR_MB_RSP_CMPLT:
3032                case QLAFX00_INTR_MB_ASYNC_CMPLT:
3033                case QLAFX00_INTR_ALL_CMPLT:
3034                        mb[0] = RD_REG_WORD(&reg->mailbox16);
3035                        qlafx00_mbx_completion(vha, mb[0]);
3036                        status |= MBX_INTERRUPT;
3037                        clr_intr |= QLAFX00_INTR_MB_CMPLT;
3038                        break;
3039                case QLAFX00_INTR_ASYNC_CMPLT:
3040                case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3041                        ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3042                        qlafx00_async_event(vha);
3043                        clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3044                        break;
3045                case QLAFX00_INTR_RSP_CMPLT:
3046                        qlafx00_process_response_queue(vha, rsp);
3047                        clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3048                        break;
3049                default:
3050                        ql_dbg(ql_dbg_async, vha, 0x507a,
3051                            "Unrecognized interrupt type (%d).\n", stat);
3052                        break;
3053                }
3054                QLAFX00_CLR_INTR_REG(ha, clr_intr);
3055                QLAFX00_RD_INTR_REG(ha);
3056        }
3057
3058        qla2x00_handle_mbx_completion(ha, status);
3059        spin_unlock_irqrestore(&ha->hardware_lock, flags);
3060
3061        return IRQ_HANDLED;
3062}
3063
3064/** QLAFX00 specific IOCB implementation functions */
3065
3066static inline cont_a64_entry_t *
3067qlafx00_prep_cont_type1_iocb(struct req_que *req,
3068                             cont_a64_entry_t *lcont_pkt)
3069{
3070        cont_a64_entry_t *cont_pkt;
3071
3072        /* Adjust ring index. */
3073        req->ring_index++;
3074        if (req->ring_index == req->length) {
3075                req->ring_index = 0;
3076                req->ring_ptr = req->ring;
3077        } else {
3078                req->ring_ptr++;
3079        }
3080
3081        cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3082
3083        /* Load packet defaults. */
3084        lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3085
3086        return cont_pkt;
3087}
3088
3089static inline void
3090qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3091                         uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3092{
3093        uint16_t        avail_dsds;
3094        __le32 *cur_dsd;
3095        scsi_qla_host_t *vha;
3096        struct scsi_cmnd *cmd;
3097        struct scatterlist *sg;
3098        int i, cont;
3099        struct req_que *req;
3100        cont_a64_entry_t lcont_pkt;
3101        cont_a64_entry_t *cont_pkt;
3102
3103        vha = sp->fcport->vha;
3104        req = vha->req;
3105
3106        cmd = GET_CMD_SP(sp);
3107        cont = 0;
3108        cont_pkt = NULL;
3109
3110        /* Update entry type to indicate Command Type 3 IOCB */
3111        lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3112
3113        /* No data transfer */
3114        if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3115                lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3116                return;
3117        }
3118
3119        /* Set transfer direction */
3120        if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3121                lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3122                vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3123        } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3124                lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3125                vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3126        }
3127
3128        /* One DSD is available in the Command Type 3 IOCB */
3129        avail_dsds = 1;
3130        cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3131
3132        /* Load data segments */
3133        scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3134                dma_addr_t      sle_dma;
3135
3136                /* Allocate additional continuation packets? */
3137                if (avail_dsds == 0) {
3138                        /*
3139                         * Five DSDs are available in the Continuation
3140                         * Type 1 IOCB.
3141                         */
3142                        memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3143                        cont_pkt =
3144                            qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3145                        cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3146                        avail_dsds = 5;
3147                        cont = 1;
3148                }
3149
3150                sle_dma = sg_dma_address(sg);
3151                *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3152                *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3153                *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3154                avail_dsds--;
3155                if (avail_dsds == 0 && cont == 1) {
3156                        cont = 0;
3157                        memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3158                            REQUEST_ENTRY_SIZE);
3159                }
3160
3161        }
3162        if (avail_dsds != 0 && cont == 1) {
3163                memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3164                    REQUEST_ENTRY_SIZE);
3165        }
3166}
3167
3168/**
3169 * qlafx00_start_scsi() - Send a SCSI command to the ISP
3170 * @sp: command to send to the ISP
3171 *
3172 * Returns non-zero if a failure occurred, else zero.
3173 */
3174int
3175qlafx00_start_scsi(srb_t *sp)
3176{
3177        int             ret, nseg;
3178        unsigned long   flags;
3179        uint32_t        index;
3180        uint32_t        handle;
3181        uint16_t        cnt;
3182        uint16_t        req_cnt;
3183        uint16_t        tot_dsds;
3184        struct req_que *req = NULL;
3185        struct rsp_que *rsp = NULL;
3186        struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3187        struct scsi_qla_host *vha = sp->fcport->vha;
3188        struct qla_hw_data *ha = vha->hw;
3189        struct cmd_type_7_fx00 *cmd_pkt;
3190        struct cmd_type_7_fx00 lcmd_pkt;
3191        struct scsi_lun llun;
3192        char            tag[2];
3193
3194        /* Setup device pointers. */
3195        ret = 0;
3196
3197        rsp = ha->rsp_q_map[0];
3198        req = vha->req;
3199
3200        /* So we know we haven't pci_map'ed anything yet */
3201        tot_dsds = 0;
3202
3203        /* Forcing marker needed for now */
3204        vha->marker_needed = 0;
3205
3206        /* Send marker if required */
3207        if (vha->marker_needed != 0) {
3208                if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3209                    QLA_SUCCESS)
3210                        return QLA_FUNCTION_FAILED;
3211                vha->marker_needed = 0;
3212        }
3213
3214        /* Acquire ring specific lock */
3215        spin_lock_irqsave(&ha->hardware_lock, flags);
3216
3217        /* Check for room in outstanding command list. */
3218        handle = req->current_outstanding_cmd;
3219        for (index = 1; index < req->num_outstanding_cmds; index++) {
3220                handle++;
3221                if (handle == req->num_outstanding_cmds)
3222                        handle = 1;
3223                if (!req->outstanding_cmds[handle])
3224                        break;
3225        }
3226        if (index == req->num_outstanding_cmds)
3227                goto queuing_error;
3228
3229        /* Map the sg table so we have an accurate count of sg entries needed */
3230        if (scsi_sg_count(cmd)) {
3231                nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3232                    scsi_sg_count(cmd), cmd->sc_data_direction);
3233                if (unlikely(!nseg))
3234                        goto queuing_error;
3235        } else
3236                nseg = 0;
3237
3238        tot_dsds = nseg;
3239        req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3240        if (req->cnt < (req_cnt + 2)) {
3241                cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3242
3243                if (req->ring_index < cnt)
3244                        req->cnt = cnt - req->ring_index;
3245                else
3246                        req->cnt = req->length -
3247                                (req->ring_index - cnt);
3248                if (req->cnt < (req_cnt + 2))
3249                        goto queuing_error;
3250        }
3251
3252        /* Build command packet. */
3253        req->current_outstanding_cmd = handle;
3254        req->outstanding_cmds[handle] = sp;
3255        sp->handle = handle;
3256        cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3257        req->cnt -= req_cnt;
3258
3259        cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3260
3261        memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3262
3263        lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3264        lcmd_pkt.handle_hi = 0;
3265        lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3266        lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3267
3268        int_to_scsilun(cmd->device->lun, &llun);
3269        host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3270            sizeof(lcmd_pkt.lun));
3271
3272        /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3273        if (scsi_populate_tag_msg(cmd, tag)) {
3274                switch (tag[0]) {
3275                case HEAD_OF_QUEUE_TAG:
3276                        lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3277                        break;
3278                case ORDERED_QUEUE_TAG:
3279                        lcmd_pkt.task = TSK_ORDERED;
3280                        break;
3281                }
3282        }
3283
3284        /* Load SCSI command packet. */
3285        host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3286        lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3287
3288        /* Build IOCB segments */
3289        qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3290
3291        /* Set total data segment count. */
3292        lcmd_pkt.entry_count = (uint8_t)req_cnt;
3293
3294        /* Specify response queue number where completion should happen */
3295        lcmd_pkt.entry_status = (uint8_t) rsp->id;
3296
3297        ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3298            (uint8_t *)cmd->cmnd, cmd->cmd_len);
3299        ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3300            (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3301
3302        memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3303        wmb();
3304
3305        /* Adjust ring index. */
3306        req->ring_index++;
3307        if (req->ring_index == req->length) {
3308                req->ring_index = 0;
3309                req->ring_ptr = req->ring;
3310        } else
3311                req->ring_ptr++;
3312
3313        sp->flags |= SRB_DMA_VALID;
3314
3315        /* Set chip new ring index. */
3316        WRT_REG_DWORD(req->req_q_in, req->ring_index);
3317        QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3318
3319        spin_unlock_irqrestore(&ha->hardware_lock, flags);
3320        return QLA_SUCCESS;
3321
3322queuing_error:
3323        if (tot_dsds)
3324                scsi_dma_unmap(cmd);
3325
3326        spin_unlock_irqrestore(&ha->hardware_lock, flags);
3327
3328        return QLA_FUNCTION_FAILED;
3329}
3330
3331void
3332qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3333{
3334        struct srb_iocb *fxio = &sp->u.iocb_cmd;
3335        scsi_qla_host_t *vha = sp->fcport->vha;
3336        struct req_que *req = vha->req;
3337        struct tsk_mgmt_entry_fx00 tm_iocb;
3338        struct scsi_lun llun;
3339
3340        memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3341        tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3342        tm_iocb.entry_count = 1;
3343        tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3344        tm_iocb.handle_hi = 0;
3345        tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3346        tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3347        tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3348        if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3349                int_to_scsilun(fxio->u.tmf.lun, &llun);
3350                host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3351                    sizeof(struct scsi_lun));
3352        }
3353
3354        memcpy((void *)ptm_iocb, &tm_iocb,
3355            sizeof(struct tsk_mgmt_entry_fx00));
3356        wmb();
3357}
3358
3359void
3360qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3361{
3362        struct srb_iocb *fxio = &sp->u.iocb_cmd;
3363        scsi_qla_host_t *vha = sp->fcport->vha;
3364        struct req_que *req = vha->req;
3365        struct abort_iocb_entry_fx00 abt_iocb;
3366
3367        memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3368        abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3369        abt_iocb.entry_count = 1;
3370        abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3371        abt_iocb.abort_handle =
3372            cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3373        abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3374        abt_iocb.req_que_no = cpu_to_le16(req->id);
3375
3376        memcpy((void *)pabt_iocb, &abt_iocb,
3377            sizeof(struct abort_iocb_entry_fx00));
3378        wmb();
3379}
3380
3381void
3382qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3383{
3384        struct srb_iocb *fxio = &sp->u.iocb_cmd;
3385        struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3386        struct fc_bsg_job *bsg_job;
3387        struct fxdisc_entry_fx00 fx_iocb;
3388        uint8_t entry_cnt = 1;
3389
3390        memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3391        fx_iocb.entry_type = FX00_IOCB_TYPE;
3392        fx_iocb.handle = cpu_to_le32(sp->handle);
3393        fx_iocb.entry_count = entry_cnt;
3394
3395        if (sp->type == SRB_FXIOCB_DCMD) {
3396                fx_iocb.func_num =
3397                    sp->u.iocb_cmd.u.fxiocb.req_func_type;
3398                fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3399                fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3400                fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3401                fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3402                fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3403
3404                if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3405                        fx_iocb.req_dsdcnt = cpu_to_le16(1);
3406                        fx_iocb.req_xfrcnt =
3407                            cpu_to_le16(fxio->u.fxiocb.req_len);
3408                        fx_iocb.dseg_rq_address[0] =
3409                            cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3410                        fx_iocb.dseg_rq_address[1] =
3411                            cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3412                        fx_iocb.dseg_rq_len =
3413                            cpu_to_le32(fxio->u.fxiocb.req_len);
3414                }
3415
3416                if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3417                        fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3418                        fx_iocb.rsp_xfrcnt =
3419                            cpu_to_le16(fxio->u.fxiocb.rsp_len);
3420                        fx_iocb.dseg_rsp_address[0] =
3421                            cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3422                        fx_iocb.dseg_rsp_address[1] =
3423                            cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3424                        fx_iocb.dseg_rsp_len =
3425                            cpu_to_le32(fxio->u.fxiocb.rsp_len);
3426                }
3427
3428                if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3429                        fx_iocb.dataword = fxio->u.fxiocb.req_data;
3430                }
3431                fx_iocb.flags = fxio->u.fxiocb.flags;
3432        } else {
3433                struct scatterlist *sg;
3434                bsg_job = sp->u.bsg_job;
3435                piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3436                        &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3437
3438                fx_iocb.func_num = piocb_rqst->func_type;
3439                fx_iocb.adapid = piocb_rqst->adapid;
3440                fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3441                fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3442                fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3443                fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3444                fx_iocb.dataword = piocb_rqst->dataword;
3445                fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3446                fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3447
3448                if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3449                        int avail_dsds, tot_dsds;
3450                        cont_a64_entry_t lcont_pkt;
3451                        cont_a64_entry_t *cont_pkt = NULL;
3452                        __le32 *cur_dsd;
3453                        int index = 0, cont = 0;
3454
3455                        fx_iocb.req_dsdcnt =
3456                            cpu_to_le16(bsg_job->request_payload.sg_cnt);
3457                        tot_dsds =
3458                            bsg_job->request_payload.sg_cnt;
3459                        cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3460                        avail_dsds = 1;
3461                        for_each_sg(bsg_job->request_payload.sg_list, sg,
3462                            tot_dsds, index) {
3463                                dma_addr_t sle_dma;
3464
3465                                /* Allocate additional continuation packets? */
3466                                if (avail_dsds == 0) {
3467                                        /*
3468                                         * Five DSDs are available in the Cont.
3469                                         * Type 1 IOCB.
3470                                         */
3471                                        memset(&lcont_pkt, 0,
3472                                            REQUEST_ENTRY_SIZE);
3473                                        cont_pkt =
3474                                            qlafx00_prep_cont_type1_iocb(
3475                                                sp->fcport->vha->req,
3476                                                &lcont_pkt);
3477                                        cur_dsd = (__le32 *)
3478                                            lcont_pkt.dseg_0_address;
3479                                        avail_dsds = 5;
3480                                        cont = 1;
3481                                        entry_cnt++;
3482                                }
3483
3484                                sle_dma = sg_dma_address(sg);
3485                                *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3486                                *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3487                                *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3488                                avail_dsds--;
3489
3490                                if (avail_dsds == 0 && cont == 1) {
3491                                        cont = 0;
3492                                        memcpy_toio(
3493                                            (void __iomem *)cont_pkt,
3494                                            &lcont_pkt, REQUEST_ENTRY_SIZE);
3495                                        ql_dump_buffer(
3496                                            ql_dbg_user + ql_dbg_verbose,
3497                                            sp->fcport->vha, 0x3042,
3498                                            (uint8_t *)&lcont_pkt,
3499                                             REQUEST_ENTRY_SIZE);
3500                                }
3501                        }
3502                        if (avail_dsds != 0 && cont == 1) {
3503                                memcpy_toio((void __iomem *)cont_pkt,
3504                                    &lcont_pkt, REQUEST_ENTRY_SIZE);
3505                                ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3506                                    sp->fcport->vha, 0x3043,
3507                                    (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3508                        }
3509                }
3510
3511                if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3512                        int avail_dsds, tot_dsds;
3513                        cont_a64_entry_t lcont_pkt;
3514                        cont_a64_entry_t *cont_pkt = NULL;
3515                        __le32 *cur_dsd;
3516                        int index = 0, cont = 0;
3517
3518                        fx_iocb.rsp_dsdcnt =
3519                           cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3520                        tot_dsds = bsg_job->reply_payload.sg_cnt;
3521                        cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3522                        avail_dsds = 1;
3523
3524                        for_each_sg(bsg_job->reply_payload.sg_list, sg,
3525                            tot_dsds, index) {
3526                                dma_addr_t sle_dma;
3527
3528                                /* Allocate additional continuation packets? */
3529                                if (avail_dsds == 0) {
3530                                        /*
3531                                        * Five DSDs are available in the Cont.
3532                                        * Type 1 IOCB.
3533                                        */
3534                                        memset(&lcont_pkt, 0,
3535                                            REQUEST_ENTRY_SIZE);
3536                                        cont_pkt =
3537                                            qlafx00_prep_cont_type1_iocb(
3538                                                sp->fcport->vha->req,
3539                                                &lcont_pkt);
3540                                        cur_dsd = (__le32 *)
3541                                            lcont_pkt.dseg_0_address;
3542                                        avail_dsds = 5;
3543                                        cont = 1;
3544                                        entry_cnt++;
3545                                }
3546
3547                                sle_dma = sg_dma_address(sg);
3548                                *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3549                                *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3550                                *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3551                                avail_dsds--;
3552
3553                                if (avail_dsds == 0 && cont == 1) {
3554                                        cont = 0;
3555                                        memcpy_toio((void __iomem *)cont_pkt,
3556                                            &lcont_pkt,
3557                                            REQUEST_ENTRY_SIZE);
3558                                        ql_dump_buffer(
3559                                            ql_dbg_user + ql_dbg_verbose,
3560                                            sp->fcport->vha, 0x3045,
3561                                            (uint8_t *)&lcont_pkt,
3562                                            REQUEST_ENTRY_SIZE);
3563                                }
3564                        }
3565                        if (avail_dsds != 0 && cont == 1) {
3566                                memcpy_toio((void __iomem *)cont_pkt,
3567                                    &lcont_pkt, REQUEST_ENTRY_SIZE);
3568                                ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3569                                    sp->fcport->vha, 0x3046,
3570                                    (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3571                        }
3572                }
3573
3574                if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3575                        fx_iocb.dataword = piocb_rqst->dataword;
3576                fx_iocb.flags = piocb_rqst->flags;
3577                fx_iocb.entry_count = entry_cnt;
3578        }
3579
3580        ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3581            sp->fcport->vha, 0x3047,
3582            (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3583
3584        memcpy((void *)pfxiocb, &fx_iocb,
3585            sizeof(struct fxdisc_entry_fx00));
3586        wmb();
3587}
3588