linux/drivers/scsi/qla2xxx/qla_os.c
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   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2010 QLogic Corporation
   4 *
   5 * See LICENSE.qla2xxx for copyright and licensing details.
   6 */
   7#include "qla_def.h"
   8
   9#include <linux/moduleparam.h>
  10#include <linux/vmalloc.h>
  11#include <linux/delay.h>
  12#include <linux/kthread.h>
  13#include <linux/mutex.h>
  14#include <linux/kobject.h>
  15#include <linux/slab.h>
  16
  17#include <scsi/scsi_tcq.h>
  18#include <scsi/scsicam.h>
  19#include <scsi/scsi_transport.h>
  20#include <scsi/scsi_transport_fc.h>
  21
  22/*
  23 * Driver version
  24 */
  25char qla2x00_version_str[40];
  26
  27static int apidev_major;
  28
  29/*
  30 * SRB allocation cache
  31 */
  32static struct kmem_cache *srb_cachep;
  33
  34/*
  35 * CT6 CTX allocation cache
  36 */
  37static struct kmem_cache *ctx_cachep;
  38
  39int ql2xlogintimeout = 20;
  40module_param(ql2xlogintimeout, int, S_IRUGO);
  41MODULE_PARM_DESC(ql2xlogintimeout,
  42                "Login timeout value in seconds.");
  43
  44int qlport_down_retry;
  45module_param(qlport_down_retry, int, S_IRUGO);
  46MODULE_PARM_DESC(qlport_down_retry,
  47                "Maximum number of command retries to a port that returns "
  48                "a PORT-DOWN status.");
  49
  50int ql2xplogiabsentdevice;
  51module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  52MODULE_PARM_DESC(ql2xplogiabsentdevice,
  53                "Option to enable PLOGI to devices that are not present after "
  54                "a Fabric scan.  This is needed for several broken switches. "
  55                "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  56
  57int ql2xloginretrycount = 0;
  58module_param(ql2xloginretrycount, int, S_IRUGO);
  59MODULE_PARM_DESC(ql2xloginretrycount,
  60                "Specify an alternate value for the NVRAM login retry count.");
  61
  62int ql2xallocfwdump = 1;
  63module_param(ql2xallocfwdump, int, S_IRUGO);
  64MODULE_PARM_DESC(ql2xallocfwdump,
  65                "Option to enable allocation of memory for a firmware dump "
  66                "during HBA initialization.  Memory allocation requirements "
  67                "vary by ISP type.  Default is 1 - allocate memory.");
  68
  69int ql2xextended_error_logging;
  70module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  71MODULE_PARM_DESC(ql2xextended_error_logging,
  72                "Option to enable extended error logging, "
  73                "Default is 0 - no logging. 1 - log errors.");
  74
  75int ql2xshiftctondsd = 6;
  76module_param(ql2xshiftctondsd, int, S_IRUGO);
  77MODULE_PARM_DESC(ql2xshiftctondsd,
  78                "Set to control shifting of command type processing "
  79                "based on total number of SG elements.");
  80
  81static void qla2x00_free_device(scsi_qla_host_t *);
  82
  83int ql2xfdmienable=1;
  84module_param(ql2xfdmienable, int, S_IRUGO);
  85MODULE_PARM_DESC(ql2xfdmienable,
  86                "Enables FDMI registrations. "
  87                "0 - no FDMI. Default is 1 - perform FDMI.");
  88
  89#define MAX_Q_DEPTH    32
  90static int ql2xmaxqdepth = MAX_Q_DEPTH;
  91module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  92MODULE_PARM_DESC(ql2xmaxqdepth,
  93                "Maximum queue depth to report for target devices.");
  94
  95/* Do not change the value of this after module load */
  96int ql2xenabledif = 1;
  97module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
  98MODULE_PARM_DESC(ql2xenabledif,
  99                " Enable T10-CRC-DIF "
 100                " Default is 0 - No DIF Support. 1 - Enable it");
 101
 102int ql2xenablehba_err_chk;
 103module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 104MODULE_PARM_DESC(ql2xenablehba_err_chk,
 105                " Enable T10-CRC-DIF Error isolation by HBA"
 106                " Default is 0 - Error isolation disabled, 1 - Enable it");
 107
 108int ql2xiidmaenable=1;
 109module_param(ql2xiidmaenable, int, S_IRUGO);
 110MODULE_PARM_DESC(ql2xiidmaenable,
 111                "Enables iIDMA settings "
 112                "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 113
 114int ql2xmaxqueues = 1;
 115module_param(ql2xmaxqueues, int, S_IRUGO);
 116MODULE_PARM_DESC(ql2xmaxqueues,
 117                "Enables MQ settings "
 118                "Default is 1 for single queue. Set it to number "
 119                "of queues in MQ mode.");
 120
 121int ql2xmultique_tag;
 122module_param(ql2xmultique_tag, int, S_IRUGO);
 123MODULE_PARM_DESC(ql2xmultique_tag,
 124                "Enables CPU affinity settings for the driver "
 125                "Default is 0 for no affinity of request and response IO. "
 126                "Set it to 1 to turn on the cpu affinity.");
 127
 128int ql2xfwloadbin;
 129module_param(ql2xfwloadbin, int, S_IRUGO);
 130MODULE_PARM_DESC(ql2xfwloadbin,
 131                "Option to specify location from which to load ISP firmware:\n"
 132                " 2 -- load firmware via the request_firmware() (hotplug)\n"
 133                "      interface.\n"
 134                " 1 -- load firmware from flash.\n"
 135                " 0 -- use default semantics.\n");
 136
 137int ql2xetsenable;
 138module_param(ql2xetsenable, int, S_IRUGO);
 139MODULE_PARM_DESC(ql2xetsenable,
 140                "Enables firmware ETS burst."
 141                "Default is 0 - skip ETS enablement.");
 142
 143int ql2xdbwr = 1;
 144module_param(ql2xdbwr, int, S_IRUGO);
 145MODULE_PARM_DESC(ql2xdbwr,
 146        "Option to specify scheme for request queue posting\n"
 147        " 0 -- Regular doorbell.\n"
 148        " 1 -- CAMRAM doorbell (faster).\n");
 149
 150int ql2xtargetreset = 1;
 151module_param(ql2xtargetreset, int, S_IRUGO);
 152MODULE_PARM_DESC(ql2xtargetreset,
 153                 "Enable target reset."
 154                 "Default is 1 - use hw defaults.");
 155
 156int ql2xgffidenable;
 157module_param(ql2xgffidenable, int, S_IRUGO);
 158MODULE_PARM_DESC(ql2xgffidenable,
 159                "Enables GFF_ID checks of port type. "
 160                "Default is 0 - Do not use GFF_ID information.");
 161
 162int ql2xasynctmfenable;
 163module_param(ql2xasynctmfenable, int, S_IRUGO);
 164MODULE_PARM_DESC(ql2xasynctmfenable,
 165                "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 166                "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 167/*
 168 * SCSI host template entry points
 169 */
 170static int qla2xxx_slave_configure(struct scsi_device * device);
 171static int qla2xxx_slave_alloc(struct scsi_device *);
 172static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 173static void qla2xxx_scan_start(struct Scsi_Host *);
 174static void qla2xxx_slave_destroy(struct scsi_device *);
 175static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 176static int qla2xxx_eh_abort(struct scsi_cmnd *);
 177static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 178static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 179static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 180static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 181
 182static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 183static int qla2x00_change_queue_type(struct scsi_device *, int);
 184
 185struct scsi_host_template qla2xxx_driver_template = {
 186        .module                 = THIS_MODULE,
 187        .name                   = QLA2XXX_DRIVER_NAME,
 188        .queuecommand           = qla2xxx_queuecommand,
 189
 190        .eh_abort_handler       = qla2xxx_eh_abort,
 191        .eh_device_reset_handler = qla2xxx_eh_device_reset,
 192        .eh_target_reset_handler = qla2xxx_eh_target_reset,
 193        .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 194        .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 195
 196        .slave_configure        = qla2xxx_slave_configure,
 197
 198        .slave_alloc            = qla2xxx_slave_alloc,
 199        .slave_destroy          = qla2xxx_slave_destroy,
 200        .scan_finished          = qla2xxx_scan_finished,
 201        .scan_start             = qla2xxx_scan_start,
 202        .change_queue_depth     = qla2x00_change_queue_depth,
 203        .change_queue_type      = qla2x00_change_queue_type,
 204        .this_id                = -1,
 205        .cmd_per_lun            = 3,
 206        .use_clustering         = ENABLE_CLUSTERING,
 207        .sg_tablesize           = SG_ALL,
 208
 209        .max_sectors            = 0xFFFF,
 210        .shost_attrs            = qla2x00_host_attrs,
 211};
 212
 213static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 214struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 215
 216/* TODO Convert to inlines
 217 *
 218 * Timer routines
 219 */
 220
 221__inline__ void
 222qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 223{
 224        init_timer(&vha->timer);
 225        vha->timer.expires = jiffies + interval * HZ;
 226        vha->timer.data = (unsigned long)vha;
 227        vha->timer.function = (void (*)(unsigned long))func;
 228        add_timer(&vha->timer);
 229        vha->timer_active = 1;
 230}
 231
 232static inline void
 233qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 234{
 235        /* Currently used for 82XX only. */
 236        if (vha->device_flags & DFLG_DEV_FAILED)
 237                return;
 238
 239        mod_timer(&vha->timer, jiffies + interval * HZ);
 240}
 241
 242static __inline__ void
 243qla2x00_stop_timer(scsi_qla_host_t *vha)
 244{
 245        del_timer_sync(&vha->timer);
 246        vha->timer_active = 0;
 247}
 248
 249static int qla2x00_do_dpc(void *data);
 250
 251static void qla2x00_rst_aen(scsi_qla_host_t *);
 252
 253static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 254        struct req_que **, struct rsp_que **);
 255static void qla2x00_free_fw_dump(struct qla_hw_data *);
 256static void qla2x00_mem_free(struct qla_hw_data *);
 257static void qla2x00_sp_free_dma(srb_t *);
 258
 259/* -------------------------------------------------------------------------- */
 260static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 261{
 262        ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 263                                GFP_KERNEL);
 264        if (!ha->req_q_map) {
 265                qla_printk(KERN_WARNING, ha,
 266                        "Unable to allocate memory for request queue ptrs\n");
 267                goto fail_req_map;
 268        }
 269
 270        ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 271                                GFP_KERNEL);
 272        if (!ha->rsp_q_map) {
 273                qla_printk(KERN_WARNING, ha,
 274                        "Unable to allocate memory for response queue ptrs\n");
 275                goto fail_rsp_map;
 276        }
 277        set_bit(0, ha->rsp_qid_map);
 278        set_bit(0, ha->req_qid_map);
 279        return 1;
 280
 281fail_rsp_map:
 282        kfree(ha->req_q_map);
 283        ha->req_q_map = NULL;
 284fail_req_map:
 285        return -ENOMEM;
 286}
 287
 288static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 289{
 290        if (req && req->ring)
 291                dma_free_coherent(&ha->pdev->dev,
 292                (req->length + 1) * sizeof(request_t),
 293                req->ring, req->dma);
 294
 295        kfree(req);
 296        req = NULL;
 297}
 298
 299static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 300{
 301        if (rsp && rsp->ring)
 302                dma_free_coherent(&ha->pdev->dev,
 303                (rsp->length + 1) * sizeof(response_t),
 304                rsp->ring, rsp->dma);
 305
 306        kfree(rsp);
 307        rsp = NULL;
 308}
 309
 310static void qla2x00_free_queues(struct qla_hw_data *ha)
 311{
 312        struct req_que *req;
 313        struct rsp_que *rsp;
 314        int cnt;
 315
 316        for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 317                req = ha->req_q_map[cnt];
 318                qla2x00_free_req_que(ha, req);
 319        }
 320        kfree(ha->req_q_map);
 321        ha->req_q_map = NULL;
 322
 323        for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 324                rsp = ha->rsp_q_map[cnt];
 325                qla2x00_free_rsp_que(ha, rsp);
 326        }
 327        kfree(ha->rsp_q_map);
 328        ha->rsp_q_map = NULL;
 329}
 330
 331static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 332{
 333        uint16_t options = 0;
 334        int ques, req, ret;
 335        struct qla_hw_data *ha = vha->hw;
 336
 337        if (!(ha->fw_attributes & BIT_6)) {
 338                qla_printk(KERN_INFO, ha,
 339                        "Firmware is not multi-queue capable\n");
 340                goto fail;
 341        }
 342        if (ql2xmultique_tag) {
 343                /* create a request queue for IO */
 344                options |= BIT_7;
 345                req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 346                        QLA_DEFAULT_QUE_QOS);
 347                if (!req) {
 348                        qla_printk(KERN_WARNING, ha,
 349                                "Can't create request queue\n");
 350                        goto fail;
 351                }
 352                ha->wq = create_workqueue("qla2xxx_wq");
 353                vha->req = ha->req_q_map[req];
 354                options |= BIT_1;
 355                for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 356                        ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 357                        if (!ret) {
 358                                qla_printk(KERN_WARNING, ha,
 359                                        "Response Queue create failed\n");
 360                                goto fail2;
 361                        }
 362                }
 363                ha->flags.cpu_affinity_enabled = 1;
 364
 365                DEBUG2(qla_printk(KERN_INFO, ha,
 366                        "CPU affinity mode enabled, no. of response"
 367                        " queues:%d, no. of request queues:%d\n",
 368                        ha->max_rsp_queues, ha->max_req_queues));
 369        }
 370        return 0;
 371fail2:
 372        qla25xx_delete_queues(vha);
 373        destroy_workqueue(ha->wq);
 374        ha->wq = NULL;
 375fail:
 376        ha->mqenable = 0;
 377        kfree(ha->req_q_map);
 378        kfree(ha->rsp_q_map);
 379        ha->max_req_queues = ha->max_rsp_queues = 1;
 380        return 1;
 381}
 382
 383static char *
 384qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 385{
 386        struct qla_hw_data *ha = vha->hw;
 387        static char *pci_bus_modes[] = {
 388                "33", "66", "100", "133",
 389        };
 390        uint16_t pci_bus;
 391
 392        strcpy(str, "PCI");
 393        pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 394        if (pci_bus) {
 395                strcat(str, "-X (");
 396                strcat(str, pci_bus_modes[pci_bus]);
 397        } else {
 398                pci_bus = (ha->pci_attr & BIT_8) >> 8;
 399                strcat(str, " (");
 400                strcat(str, pci_bus_modes[pci_bus]);
 401        }
 402        strcat(str, " MHz)");
 403
 404        return (str);
 405}
 406
 407static char *
 408qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 409{
 410        static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 411        struct qla_hw_data *ha = vha->hw;
 412        uint32_t pci_bus;
 413        int pcie_reg;
 414
 415        pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 416        if (pcie_reg) {
 417                char lwstr[6];
 418                uint16_t pcie_lstat, lspeed, lwidth;
 419
 420                pcie_reg += 0x12;
 421                pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 422                lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 423                lwidth = (pcie_lstat &
 424                    (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 425
 426                strcpy(str, "PCIe (");
 427                if (lspeed == 1)
 428                        strcat(str, "2.5GT/s ");
 429                else if (lspeed == 2)
 430                        strcat(str, "5.0GT/s ");
 431                else
 432                        strcat(str, "<unknown> ");
 433                snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 434                strcat(str, lwstr);
 435
 436                return str;
 437        }
 438
 439        strcpy(str, "PCI");
 440        pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 441        if (pci_bus == 0 || pci_bus == 8) {
 442                strcat(str, " (");
 443                strcat(str, pci_bus_modes[pci_bus >> 3]);
 444        } else {
 445                strcat(str, "-X ");
 446                if (pci_bus & BIT_2)
 447                        strcat(str, "Mode 2");
 448                else
 449                        strcat(str, "Mode 1");
 450                strcat(str, " (");
 451                strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 452        }
 453        strcat(str, " MHz)");
 454
 455        return str;
 456}
 457
 458static char *
 459qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 460{
 461        char un_str[10];
 462        struct qla_hw_data *ha = vha->hw;
 463
 464        sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 465            ha->fw_minor_version,
 466            ha->fw_subminor_version);
 467
 468        if (ha->fw_attributes & BIT_9) {
 469                strcat(str, "FLX");
 470                return (str);
 471        }
 472
 473        switch (ha->fw_attributes & 0xFF) {
 474        case 0x7:
 475                strcat(str, "EF");
 476                break;
 477        case 0x17:
 478                strcat(str, "TP");
 479                break;
 480        case 0x37:
 481                strcat(str, "IP");
 482                break;
 483        case 0x77:
 484                strcat(str, "VI");
 485                break;
 486        default:
 487                sprintf(un_str, "(%x)", ha->fw_attributes);
 488                strcat(str, un_str);
 489                break;
 490        }
 491        if (ha->fw_attributes & 0x100)
 492                strcat(str, "X");
 493
 494        return (str);
 495}
 496
 497static char *
 498qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 499{
 500        struct qla_hw_data *ha = vha->hw;
 501
 502        sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 503            ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 504        return str;
 505}
 506
 507static inline srb_t *
 508qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 509    struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 510{
 511        srb_t *sp;
 512        struct qla_hw_data *ha = vha->hw;
 513
 514        sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 515        if (!sp)
 516                return sp;
 517
 518        atomic_set(&sp->ref_count, 1);
 519        sp->fcport = fcport;
 520        sp->cmd = cmd;
 521        sp->flags = 0;
 522        CMD_SP(cmd) = (void *)sp;
 523        cmd->scsi_done = done;
 524        sp->ctx = NULL;
 525
 526        return sp;
 527}
 528
 529static int
 530qla2xxx_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 531{
 532        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 533        fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 534        struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 535        struct qla_hw_data *ha = vha->hw;
 536        struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 537        srb_t *sp;
 538        int rval;
 539
 540        spin_unlock_irq(vha->host->host_lock);
 541        if (ha->flags.eeh_busy) {
 542                if (ha->flags.pci_channel_io_perm_failure)
 543                        cmd->result = DID_NO_CONNECT << 16;
 544                else
 545                        cmd->result = DID_REQUEUE << 16;
 546                goto qc24_fail_command;
 547        }
 548
 549        rval = fc_remote_port_chkready(rport);
 550        if (rval) {
 551                cmd->result = rval;
 552                goto qc24_fail_command;
 553        }
 554
 555        if (!vha->flags.difdix_supported &&
 556                scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 557                        DEBUG2(qla_printk(KERN_ERR, ha,
 558                            "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
 559                            cmd->cmnd[0]));
 560                        cmd->result = DID_NO_CONNECT << 16;
 561                        goto qc24_fail_command;
 562        }
 563        if (atomic_read(&fcport->state) != FCS_ONLINE) {
 564                if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 565                        atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 566                        cmd->result = DID_NO_CONNECT << 16;
 567                        goto qc24_fail_command;
 568                }
 569                goto qc24_target_busy;
 570        }
 571
 572        sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 573        if (!sp)
 574                goto qc24_host_busy_lock;
 575
 576        rval = ha->isp_ops->start_scsi(sp);
 577        if (rval != QLA_SUCCESS)
 578                goto qc24_host_busy_free_sp;
 579
 580        spin_lock_irq(vha->host->host_lock);
 581
 582        return 0;
 583
 584qc24_host_busy_free_sp:
 585        qla2x00_sp_free_dma(sp);
 586        mempool_free(sp, ha->srb_mempool);
 587
 588qc24_host_busy_lock:
 589        spin_lock_irq(vha->host->host_lock);
 590        return SCSI_MLQUEUE_HOST_BUSY;
 591
 592qc24_target_busy:
 593        spin_lock_irq(vha->host->host_lock);
 594        return SCSI_MLQUEUE_TARGET_BUSY;
 595
 596qc24_fail_command:
 597        spin_lock_irq(vha->host->host_lock);
 598        done(cmd);
 599
 600        return 0;
 601}
 602
 603static DEF_SCSI_QCMD(qla2xxx_queuecommand)
 604
 605
 606/*
 607 * qla2x00_eh_wait_on_command
 608 *    Waits for the command to be returned by the Firmware for some
 609 *    max time.
 610 *
 611 * Input:
 612 *    cmd = Scsi Command to wait on.
 613 *
 614 * Return:
 615 *    Not Found : 0
 616 *    Found : 1
 617 */
 618static int
 619qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 620{
 621#define ABORT_POLLING_PERIOD    1000
 622#define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 623        unsigned long wait_iter = ABORT_WAIT_ITER;
 624        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 625        struct qla_hw_data *ha = vha->hw;
 626        int ret = QLA_SUCCESS;
 627
 628        if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 629                DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
 630                return ret;
 631        }
 632
 633        while (CMD_SP(cmd) && wait_iter--) {
 634                msleep(ABORT_POLLING_PERIOD);
 635        }
 636        if (CMD_SP(cmd))
 637                ret = QLA_FUNCTION_FAILED;
 638
 639        return ret;
 640}
 641
 642/*
 643 * qla2x00_wait_for_hba_online
 644 *    Wait till the HBA is online after going through
 645 *    <= MAX_RETRIES_OF_ISP_ABORT  or
 646 *    finally HBA is disabled ie marked offline
 647 *
 648 * Input:
 649 *     ha - pointer to host adapter structure
 650 *
 651 * Note:
 652 *    Does context switching-Release SPIN_LOCK
 653 *    (if any) before calling this routine.
 654 *
 655 * Return:
 656 *    Success (Adapter is online) : 0
 657 *    Failed  (Adapter is offline/disabled) : 1
 658 */
 659int
 660qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 661{
 662        int             return_status;
 663        unsigned long   wait_online;
 664        struct qla_hw_data *ha = vha->hw;
 665        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 666
 667        wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 668        while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 669            test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 670            test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 671            ha->dpc_active) && time_before(jiffies, wait_online)) {
 672
 673                msleep(1000);
 674        }
 675        if (base_vha->flags.online)
 676                return_status = QLA_SUCCESS;
 677        else
 678                return_status = QLA_FUNCTION_FAILED;
 679
 680        return (return_status);
 681}
 682
 683/*
 684 * qla2x00_wait_for_reset_ready
 685 *    Wait till the HBA is online after going through
 686 *    <= MAX_RETRIES_OF_ISP_ABORT  or
 687 *    finally HBA is disabled ie marked offline or flash
 688 *    operations are in progress.
 689 *
 690 * Input:
 691 *     ha - pointer to host adapter structure
 692 *
 693 * Note:
 694 *    Does context switching-Release SPIN_LOCK
 695 *    (if any) before calling this routine.
 696 *
 697 * Return:
 698 *    Success (Adapter is online/no flash ops) : 0
 699 *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 700 */
 701static int
 702qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 703{
 704        int             return_status;
 705        unsigned long   wait_online;
 706        struct qla_hw_data *ha = vha->hw;
 707        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 708
 709        wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 710        while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 711            test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 712            test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 713            ha->optrom_state != QLA_SWAITING ||
 714            ha->dpc_active) && time_before(jiffies, wait_online))
 715                msleep(1000);
 716
 717        if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 718                return_status = QLA_SUCCESS;
 719        else
 720                return_status = QLA_FUNCTION_FAILED;
 721
 722        DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
 723
 724        return return_status;
 725}
 726
 727int
 728qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 729{
 730        int             return_status;
 731        unsigned long   wait_reset;
 732        struct qla_hw_data *ha = vha->hw;
 733        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 734
 735        wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 736        while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 737            test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 738            test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 739            ha->dpc_active) && time_before(jiffies, wait_reset)) {
 740
 741                msleep(1000);
 742
 743                if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 744                    ha->flags.chip_reset_done)
 745                        break;
 746        }
 747        if (ha->flags.chip_reset_done)
 748                return_status = QLA_SUCCESS;
 749        else
 750                return_status = QLA_FUNCTION_FAILED;
 751
 752        return return_status;
 753}
 754
 755/*
 756 * qla2x00_wait_for_loop_ready
 757 *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 758 *    to be in LOOP_READY state.
 759 * Input:
 760 *     ha - pointer to host adapter structure
 761 *
 762 * Note:
 763 *    Does context switching-Release SPIN_LOCK
 764 *    (if any) before calling this routine.
 765 *
 766 *
 767 * Return:
 768 *    Success (LOOP_READY) : 0
 769 *    Failed  (LOOP_NOT_READY) : 1
 770 */
 771static inline int
 772qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 773{
 774        int      return_status = QLA_SUCCESS;
 775        unsigned long loop_timeout ;
 776        struct qla_hw_data *ha = vha->hw;
 777        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 778
 779        /* wait for 5 min at the max for loop to be ready */
 780        loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 781
 782        while ((!atomic_read(&base_vha->loop_down_timer) &&
 783            atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 784            atomic_read(&base_vha->loop_state) != LOOP_READY) {
 785                if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 786                        return_status = QLA_FUNCTION_FAILED;
 787                        break;
 788                }
 789                msleep(1000);
 790                if (time_after_eq(jiffies, loop_timeout)) {
 791                        return_status = QLA_FUNCTION_FAILED;
 792                        break;
 793                }
 794        }
 795        return (return_status);
 796}
 797
 798static void
 799sp_get(struct srb *sp)
 800{
 801        atomic_inc(&sp->ref_count);
 802}
 803
 804/**************************************************************************
 805* qla2xxx_eh_abort
 806*
 807* Description:
 808*    The abort function will abort the specified command.
 809*
 810* Input:
 811*    cmd = Linux SCSI command packet to be aborted.
 812*
 813* Returns:
 814*    Either SUCCESS or FAILED.
 815*
 816* Note:
 817*    Only return FAILED if command not returned by firmware.
 818**************************************************************************/
 819static int
 820qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 821{
 822        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 823        srb_t *sp;
 824        int ret = SUCCESS;
 825        unsigned int id, lun;
 826        unsigned long flags;
 827        int wait = 0;
 828        struct qla_hw_data *ha = vha->hw;
 829
 830        fc_block_scsi_eh(cmd);
 831
 832        if (!CMD_SP(cmd))
 833                return SUCCESS;
 834
 835        id = cmd->device->id;
 836        lun = cmd->device->lun;
 837
 838        spin_lock_irqsave(&ha->hardware_lock, flags);
 839        sp = (srb_t *) CMD_SP(cmd);
 840        if (!sp) {
 841                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 842                return SUCCESS;
 843        }
 844
 845        DEBUG2(printk("%s(%ld): aborting sp %p from RISC.",
 846            __func__, vha->host_no, sp));
 847
 848        /* Get a reference to the sp and drop the lock.*/
 849        sp_get(sp);
 850
 851        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 852        if (ha->isp_ops->abort_command(sp)) {
 853                DEBUG2(printk("%s(%ld): abort_command "
 854                "mbx failed.\n", __func__, vha->host_no));
 855                ret = FAILED;
 856        } else {
 857                DEBUG3(printk("%s(%ld): abort_command "
 858                "mbx success.\n", __func__, vha->host_no));
 859                wait = 1;
 860        }
 861        qla2x00_sp_compl(ha, sp);
 862
 863        /* Wait for the command to be returned. */
 864        if (wait) {
 865                if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 866                        qla_printk(KERN_ERR, ha,
 867                            "scsi(%ld:%d:%d): Abort handler timed out -- %x.\n",
 868                            vha->host_no, id, lun, ret);
 869                        ret = FAILED;
 870                }
 871        }
 872
 873        qla_printk(KERN_INFO, ha,
 874            "scsi(%ld:%d:%d): Abort command issued -- %d %x.\n",
 875            vha->host_no, id, lun, wait, ret);
 876
 877        return ret;
 878}
 879
 880int
 881qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 882        unsigned int l, enum nexus_wait_type type)
 883{
 884        int cnt, match, status;
 885        unsigned long flags;
 886        struct qla_hw_data *ha = vha->hw;
 887        struct req_que *req;
 888        srb_t *sp;
 889
 890        status = QLA_SUCCESS;
 891
 892        spin_lock_irqsave(&ha->hardware_lock, flags);
 893        req = vha->req;
 894        for (cnt = 1; status == QLA_SUCCESS &&
 895                cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 896                sp = req->outstanding_cmds[cnt];
 897                if (!sp)
 898                        continue;
 899                if ((sp->ctx) && !IS_PROT_IO(sp))
 900                        continue;
 901                if (vha->vp_idx != sp->fcport->vha->vp_idx)
 902                        continue;
 903                match = 0;
 904                switch (type) {
 905                case WAIT_HOST:
 906                        match = 1;
 907                        break;
 908                case WAIT_TARGET:
 909                        match = sp->cmd->device->id == t;
 910                        break;
 911                case WAIT_LUN:
 912                        match = (sp->cmd->device->id == t &&
 913                                sp->cmd->device->lun == l);
 914                        break;
 915                }
 916                if (!match)
 917                        continue;
 918
 919                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 920                status = qla2x00_eh_wait_on_command(sp->cmd);
 921                spin_lock_irqsave(&ha->hardware_lock, flags);
 922        }
 923        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 924
 925        return status;
 926}
 927
 928static char *reset_errors[] = {
 929        "HBA not online",
 930        "HBA not ready",
 931        "Task management failed",
 932        "Waiting for command completions",
 933};
 934
 935static int
 936__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 937    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 938{
 939        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 940        fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 941        int err;
 942
 943        fc_block_scsi_eh(cmd);
 944
 945        if (!fcport)
 946                return FAILED;
 947
 948        qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 949            vha->host_no, cmd->device->id, cmd->device->lun, name);
 950
 951        err = 0;
 952        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 953                goto eh_reset_failed;
 954        err = 1;
 955        if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 956                goto eh_reset_failed;
 957        err = 2;
 958        if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 959                != QLA_SUCCESS)
 960                goto eh_reset_failed;
 961        err = 3;
 962        if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 963            cmd->device->lun, type) != QLA_SUCCESS)
 964                goto eh_reset_failed;
 965
 966        qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 967            vha->host_no, cmd->device->id, cmd->device->lun, name);
 968
 969        return SUCCESS;
 970
 971eh_reset_failed:
 972        qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
 973            , vha->host_no, cmd->device->id, cmd->device->lun, name,
 974            reset_errors[err]);
 975        return FAILED;
 976}
 977
 978static int
 979qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 980{
 981        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 982        struct qla_hw_data *ha = vha->hw;
 983
 984        return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 985            ha->isp_ops->lun_reset);
 986}
 987
 988static int
 989qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 990{
 991        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 992        struct qla_hw_data *ha = vha->hw;
 993
 994        return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 995            ha->isp_ops->target_reset);
 996}
 997
 998/**************************************************************************
 999* qla2xxx_eh_bus_reset
1000*
1001* Description:
1002*    The bus reset function will reset the bus and abort any executing
1003*    commands.
1004*
1005* Input:
1006*    cmd = Linux SCSI command packet of the command that cause the
1007*          bus reset.
1008*
1009* Returns:
1010*    SUCCESS/FAILURE (defined as macro in scsi.h).
1011*
1012**************************************************************************/
1013static int
1014qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1015{
1016        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1017        fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1018        int ret = FAILED;
1019        unsigned int id, lun;
1020
1021        fc_block_scsi_eh(cmd);
1022
1023        id = cmd->device->id;
1024        lun = cmd->device->lun;
1025
1026        if (!fcport)
1027                return ret;
1028
1029        qla_printk(KERN_INFO, vha->hw,
1030            "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1031
1032        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1033                DEBUG2(printk("%s failed:board disabled\n",__func__));
1034                goto eh_bus_reset_done;
1035        }
1036
1037        if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1038                if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1039                        ret = SUCCESS;
1040        }
1041        if (ret == FAILED)
1042                goto eh_bus_reset_done;
1043
1044        /* Flush outstanding commands. */
1045        if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1046            QLA_SUCCESS)
1047                ret = FAILED;
1048
1049eh_bus_reset_done:
1050        qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1051            (ret == FAILED) ? "failed" : "succeded");
1052
1053        return ret;
1054}
1055
1056/**************************************************************************
1057* qla2xxx_eh_host_reset
1058*
1059* Description:
1060*    The reset function will reset the Adapter.
1061*
1062* Input:
1063*      cmd = Linux SCSI command packet of the command that cause the
1064*            adapter reset.
1065*
1066* Returns:
1067*      Either SUCCESS or FAILED.
1068*
1069* Note:
1070**************************************************************************/
1071static int
1072qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1073{
1074        scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1075        fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1076        struct qla_hw_data *ha = vha->hw;
1077        int ret = FAILED;
1078        unsigned int id, lun;
1079        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1080
1081        fc_block_scsi_eh(cmd);
1082
1083        id = cmd->device->id;
1084        lun = cmd->device->lun;
1085
1086        if (!fcport)
1087                return ret;
1088
1089        qla_printk(KERN_INFO, ha,
1090            "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1091
1092        if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1093                goto eh_host_reset_lock;
1094
1095        /*
1096         * Fixme-may be dpc thread is active and processing
1097         * loop_resync,so wait a while for it to
1098         * be completed and then issue big hammer.Otherwise
1099         * it may cause I/O failure as big hammer marks the
1100         * devices as lost kicking of the port_down_timer
1101         * while dpc is stuck for the mailbox to complete.
1102         */
1103        qla2x00_wait_for_loop_ready(vha);
1104        if (vha != base_vha) {
1105                if (qla2x00_vp_abort_isp(vha))
1106                        goto eh_host_reset_lock;
1107        } else {
1108                if (IS_QLA82XX(vha->hw)) {
1109                        if (!qla82xx_fcoe_ctx_reset(vha)) {
1110                                /* Ctx reset success */
1111                                ret = SUCCESS;
1112                                goto eh_host_reset_lock;
1113                        }
1114                        /* fall thru if ctx reset failed */
1115                }
1116                if (ha->wq)
1117                        flush_workqueue(ha->wq);
1118
1119                set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1120                if (ha->isp_ops->abort_isp(base_vha)) {
1121                        clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1122                        /* failed. schedule dpc to try */
1123                        set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1124
1125                        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1126                                goto eh_host_reset_lock;
1127                }
1128                clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1129        }
1130
1131        /* Waiting for command to be returned to OS.*/
1132        if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1133                QLA_SUCCESS)
1134                ret = SUCCESS;
1135
1136eh_host_reset_lock:
1137        qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1138            (ret == FAILED) ? "failed" : "succeded");
1139
1140        return ret;
1141}
1142
1143/*
1144* qla2x00_loop_reset
1145*      Issue loop reset.
1146*
1147* Input:
1148*      ha = adapter block pointer.
1149*
1150* Returns:
1151*      0 = success
1152*/
1153int
1154qla2x00_loop_reset(scsi_qla_host_t *vha)
1155{
1156        int ret;
1157        struct fc_port *fcport;
1158        struct qla_hw_data *ha = vha->hw;
1159
1160        if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1161                list_for_each_entry(fcport, &vha->vp_fcports, list) {
1162                        if (fcport->port_type != FCT_TARGET)
1163                                continue;
1164
1165                        ret = ha->isp_ops->target_reset(fcport, 0, 0);
1166                        if (ret != QLA_SUCCESS) {
1167                                DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1168                                    "target_reset=%d d_id=%x.\n", __func__,
1169                                    vha->host_no, ret, fcport->d_id.b24));
1170                        }
1171                }
1172        }
1173
1174        if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1175                ret = qla2x00_full_login_lip(vha);
1176                if (ret != QLA_SUCCESS) {
1177                        DEBUG2_3(printk("%s(%ld): failed: "
1178                            "full_login_lip=%d.\n", __func__, vha->host_no,
1179                            ret));
1180                }
1181                atomic_set(&vha->loop_state, LOOP_DOWN);
1182                atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1183                qla2x00_mark_all_devices_lost(vha, 0);
1184                qla2x00_wait_for_loop_ready(vha);
1185        }
1186
1187        if (ha->flags.enable_lip_reset) {
1188                ret = qla2x00_lip_reset(vha);
1189                if (ret != QLA_SUCCESS) {
1190                        DEBUG2_3(printk("%s(%ld): failed: "
1191                            "lip_reset=%d.\n", __func__, vha->host_no, ret));
1192                } else
1193                        qla2x00_wait_for_loop_ready(vha);
1194        }
1195
1196        /* Issue marker command only when we are going to start the I/O */
1197        vha->marker_needed = 1;
1198
1199        return QLA_SUCCESS;
1200}
1201
1202void
1203qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1204{
1205        int que, cnt;
1206        unsigned long flags;
1207        srb_t *sp;
1208        struct srb_ctx *ctx;
1209        struct qla_hw_data *ha = vha->hw;
1210        struct req_que *req;
1211
1212        spin_lock_irqsave(&ha->hardware_lock, flags);
1213        for (que = 0; que < ha->max_req_queues; que++) {
1214                req = ha->req_q_map[que];
1215                if (!req)
1216                        continue;
1217                for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1218                        sp = req->outstanding_cmds[cnt];
1219                        if (sp) {
1220                                req->outstanding_cmds[cnt] = NULL;
1221                                if (!sp->ctx ||
1222                                        (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1223                                        IS_PROT_IO(sp)) {
1224                                        sp->cmd->result = res;
1225                                        qla2x00_sp_compl(ha, sp);
1226                                } else {
1227                                        ctx = sp->ctx;
1228                                        if (ctx->type == SRB_LOGIN_CMD ||
1229                                            ctx->type == SRB_LOGOUT_CMD) {
1230                                                ctx->u.iocb_cmd->free(sp);
1231                                        } else {
1232                                                struct fc_bsg_job *bsg_job =
1233                                                    ctx->u.bsg_job;
1234                                                if (bsg_job->request->msgcode
1235                                                    == FC_BSG_HST_CT)
1236                                                        kfree(sp->fcport);
1237                                                bsg_job->req->errors = 0;
1238                                                bsg_job->reply->result = res;
1239                                                bsg_job->job_done(bsg_job);
1240                                                kfree(sp->ctx);
1241                                                mempool_free(sp,
1242                                                        ha->srb_mempool);
1243                                        }
1244                                }
1245                        }
1246                }
1247        }
1248        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1249}
1250
1251static int
1252qla2xxx_slave_alloc(struct scsi_device *sdev)
1253{
1254        struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1255
1256        if (!rport || fc_remote_port_chkready(rport))
1257                return -ENXIO;
1258
1259        sdev->hostdata = *(fc_port_t **)rport->dd_data;
1260
1261        return 0;
1262}
1263
1264static int
1265qla2xxx_slave_configure(struct scsi_device *sdev)
1266{
1267        scsi_qla_host_t *vha = shost_priv(sdev->host);
1268        struct req_que *req = vha->req;
1269
1270        if (sdev->tagged_supported)
1271                scsi_activate_tcq(sdev, req->max_q_depth);
1272        else
1273                scsi_deactivate_tcq(sdev, req->max_q_depth);
1274        return 0;
1275}
1276
1277static void
1278qla2xxx_slave_destroy(struct scsi_device *sdev)
1279{
1280        sdev->hostdata = NULL;
1281}
1282
1283static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1284{
1285        fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1286
1287        if (!scsi_track_queue_full(sdev, qdepth))
1288                return;
1289
1290        DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1291                "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1292                fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1293                sdev->queue_depth));
1294}
1295
1296static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1297{
1298        fc_port_t *fcport = sdev->hostdata;
1299        struct scsi_qla_host *vha = fcport->vha;
1300        struct qla_hw_data *ha = vha->hw;
1301        struct req_que *req = NULL;
1302
1303        req = vha->req;
1304        if (!req)
1305                return;
1306
1307        if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1308                return;
1309
1310        if (sdev->ordered_tags)
1311                scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1312        else
1313                scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1314
1315        DEBUG2(qla_printk(KERN_INFO, ha,
1316               "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1317               fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1318               sdev->queue_depth));
1319}
1320
1321static int
1322qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1323{
1324        switch (reason) {
1325        case SCSI_QDEPTH_DEFAULT:
1326                scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1327                break;
1328        case SCSI_QDEPTH_QFULL:
1329                qla2x00_handle_queue_full(sdev, qdepth);
1330                break;
1331        case SCSI_QDEPTH_RAMP_UP:
1332                qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1333                break;
1334        default:
1335                return -EOPNOTSUPP;
1336        }
1337
1338        return sdev->queue_depth;
1339}
1340
1341static int
1342qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1343{
1344        if (sdev->tagged_supported) {
1345                scsi_set_tag_type(sdev, tag_type);
1346                if (tag_type)
1347                        scsi_activate_tcq(sdev, sdev->queue_depth);
1348                else
1349                        scsi_deactivate_tcq(sdev, sdev->queue_depth);
1350        } else
1351                tag_type = 0;
1352
1353        return tag_type;
1354}
1355
1356/**
1357 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1358 * @ha: HA context
1359 *
1360 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1361 * supported addressing method.
1362 */
1363static void
1364qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1365{
1366        /* Assume a 32bit DMA mask. */
1367        ha->flags.enable_64bit_addressing = 0;
1368
1369        if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1370                /* Any upper-dword bits set? */
1371                if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1372                    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1373                        /* Ok, a 64bit DMA mask is applicable. */
1374                        ha->flags.enable_64bit_addressing = 1;
1375                        ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1376                        ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1377                        return;
1378                }
1379        }
1380
1381        dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1382        pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1383}
1384
1385static void
1386qla2x00_enable_intrs(struct qla_hw_data *ha)
1387{
1388        unsigned long flags = 0;
1389        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1390
1391        spin_lock_irqsave(&ha->hardware_lock, flags);
1392        ha->interrupts_on = 1;
1393        /* enable risc and host interrupts */
1394        WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1395        RD_REG_WORD(&reg->ictrl);
1396        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1397
1398}
1399
1400static void
1401qla2x00_disable_intrs(struct qla_hw_data *ha)
1402{
1403        unsigned long flags = 0;
1404        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1405
1406        spin_lock_irqsave(&ha->hardware_lock, flags);
1407        ha->interrupts_on = 0;
1408        /* disable risc and host interrupts */
1409        WRT_REG_WORD(&reg->ictrl, 0);
1410        RD_REG_WORD(&reg->ictrl);
1411        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1412}
1413
1414static void
1415qla24xx_enable_intrs(struct qla_hw_data *ha)
1416{
1417        unsigned long flags = 0;
1418        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1419
1420        spin_lock_irqsave(&ha->hardware_lock, flags);
1421        ha->interrupts_on = 1;
1422        WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1423        RD_REG_DWORD(&reg->ictrl);
1424        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1425}
1426
1427static void
1428qla24xx_disable_intrs(struct qla_hw_data *ha)
1429{
1430        unsigned long flags = 0;
1431        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1432
1433        if (IS_NOPOLLING_TYPE(ha))
1434                return;
1435        spin_lock_irqsave(&ha->hardware_lock, flags);
1436        ha->interrupts_on = 0;
1437        WRT_REG_DWORD(&reg->ictrl, 0);
1438        RD_REG_DWORD(&reg->ictrl);
1439        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1440}
1441
1442static struct isp_operations qla2100_isp_ops = {
1443        .pci_config             = qla2100_pci_config,
1444        .reset_chip             = qla2x00_reset_chip,
1445        .chip_diag              = qla2x00_chip_diag,
1446        .config_rings           = qla2x00_config_rings,
1447        .reset_adapter          = qla2x00_reset_adapter,
1448        .nvram_config           = qla2x00_nvram_config,
1449        .update_fw_options      = qla2x00_update_fw_options,
1450        .load_risc              = qla2x00_load_risc,
1451        .pci_info_str           = qla2x00_pci_info_str,
1452        .fw_version_str         = qla2x00_fw_version_str,
1453        .intr_handler           = qla2100_intr_handler,
1454        .enable_intrs           = qla2x00_enable_intrs,
1455        .disable_intrs          = qla2x00_disable_intrs,
1456        .abort_command          = qla2x00_abort_command,
1457        .target_reset           = qla2x00_abort_target,
1458        .lun_reset              = qla2x00_lun_reset,
1459        .fabric_login           = qla2x00_login_fabric,
1460        .fabric_logout          = qla2x00_fabric_logout,
1461        .calc_req_entries       = qla2x00_calc_iocbs_32,
1462        .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1463        .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1464        .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1465        .read_nvram             = qla2x00_read_nvram_data,
1466        .write_nvram            = qla2x00_write_nvram_data,
1467        .fw_dump                = qla2100_fw_dump,
1468        .beacon_on              = NULL,
1469        .beacon_off             = NULL,
1470        .beacon_blink           = NULL,
1471        .read_optrom            = qla2x00_read_optrom_data,
1472        .write_optrom           = qla2x00_write_optrom_data,
1473        .get_flash_version      = qla2x00_get_flash_version,
1474        .start_scsi             = qla2x00_start_scsi,
1475        .abort_isp              = qla2x00_abort_isp,
1476};
1477
1478static struct isp_operations qla2300_isp_ops = {
1479        .pci_config             = qla2300_pci_config,
1480        .reset_chip             = qla2x00_reset_chip,
1481        .chip_diag              = qla2x00_chip_diag,
1482        .config_rings           = qla2x00_config_rings,
1483        .reset_adapter          = qla2x00_reset_adapter,
1484        .nvram_config           = qla2x00_nvram_config,
1485        .update_fw_options      = qla2x00_update_fw_options,
1486        .load_risc              = qla2x00_load_risc,
1487        .pci_info_str           = qla2x00_pci_info_str,
1488        .fw_version_str         = qla2x00_fw_version_str,
1489        .intr_handler           = qla2300_intr_handler,
1490        .enable_intrs           = qla2x00_enable_intrs,
1491        .disable_intrs          = qla2x00_disable_intrs,
1492        .abort_command          = qla2x00_abort_command,
1493        .target_reset           = qla2x00_abort_target,
1494        .lun_reset              = qla2x00_lun_reset,
1495        .fabric_login           = qla2x00_login_fabric,
1496        .fabric_logout          = qla2x00_fabric_logout,
1497        .calc_req_entries       = qla2x00_calc_iocbs_32,
1498        .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1499        .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1500        .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1501        .read_nvram             = qla2x00_read_nvram_data,
1502        .write_nvram            = qla2x00_write_nvram_data,
1503        .fw_dump                = qla2300_fw_dump,
1504        .beacon_on              = qla2x00_beacon_on,
1505        .beacon_off             = qla2x00_beacon_off,
1506        .beacon_blink           = qla2x00_beacon_blink,
1507        .read_optrom            = qla2x00_read_optrom_data,
1508        .write_optrom           = qla2x00_write_optrom_data,
1509        .get_flash_version      = qla2x00_get_flash_version,
1510        .start_scsi             = qla2x00_start_scsi,
1511        .abort_isp              = qla2x00_abort_isp,
1512};
1513
1514static struct isp_operations qla24xx_isp_ops = {
1515        .pci_config             = qla24xx_pci_config,
1516        .reset_chip             = qla24xx_reset_chip,
1517        .chip_diag              = qla24xx_chip_diag,
1518        .config_rings           = qla24xx_config_rings,
1519        .reset_adapter          = qla24xx_reset_adapter,
1520        .nvram_config           = qla24xx_nvram_config,
1521        .update_fw_options      = qla24xx_update_fw_options,
1522        .load_risc              = qla24xx_load_risc,
1523        .pci_info_str           = qla24xx_pci_info_str,
1524        .fw_version_str         = qla24xx_fw_version_str,
1525        .intr_handler           = qla24xx_intr_handler,
1526        .enable_intrs           = qla24xx_enable_intrs,
1527        .disable_intrs          = qla24xx_disable_intrs,
1528        .abort_command          = qla24xx_abort_command,
1529        .target_reset           = qla24xx_abort_target,
1530        .lun_reset              = qla24xx_lun_reset,
1531        .fabric_login           = qla24xx_login_fabric,
1532        .fabric_logout          = qla24xx_fabric_logout,
1533        .calc_req_entries       = NULL,
1534        .build_iocbs            = NULL,
1535        .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1536        .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1537        .read_nvram             = qla24xx_read_nvram_data,
1538        .write_nvram            = qla24xx_write_nvram_data,
1539        .fw_dump                = qla24xx_fw_dump,
1540        .beacon_on              = qla24xx_beacon_on,
1541        .beacon_off             = qla24xx_beacon_off,
1542        .beacon_blink           = qla24xx_beacon_blink,
1543        .read_optrom            = qla24xx_read_optrom_data,
1544        .write_optrom           = qla24xx_write_optrom_data,
1545        .get_flash_version      = qla24xx_get_flash_version,
1546        .start_scsi             = qla24xx_start_scsi,
1547        .abort_isp              = qla2x00_abort_isp,
1548};
1549
1550static struct isp_operations qla25xx_isp_ops = {
1551        .pci_config             = qla25xx_pci_config,
1552        .reset_chip             = qla24xx_reset_chip,
1553        .chip_diag              = qla24xx_chip_diag,
1554        .config_rings           = qla24xx_config_rings,
1555        .reset_adapter          = qla24xx_reset_adapter,
1556        .nvram_config           = qla24xx_nvram_config,
1557        .update_fw_options      = qla24xx_update_fw_options,
1558        .load_risc              = qla24xx_load_risc,
1559        .pci_info_str           = qla24xx_pci_info_str,
1560        .fw_version_str         = qla24xx_fw_version_str,
1561        .intr_handler           = qla24xx_intr_handler,
1562        .enable_intrs           = qla24xx_enable_intrs,
1563        .disable_intrs          = qla24xx_disable_intrs,
1564        .abort_command          = qla24xx_abort_command,
1565        .target_reset           = qla24xx_abort_target,
1566        .lun_reset              = qla24xx_lun_reset,
1567        .fabric_login           = qla24xx_login_fabric,
1568        .fabric_logout          = qla24xx_fabric_logout,
1569        .calc_req_entries       = NULL,
1570        .build_iocbs            = NULL,
1571        .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1572        .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1573        .read_nvram             = qla25xx_read_nvram_data,
1574        .write_nvram            = qla25xx_write_nvram_data,
1575        .fw_dump                = qla25xx_fw_dump,
1576        .beacon_on              = qla24xx_beacon_on,
1577        .beacon_off             = qla24xx_beacon_off,
1578        .beacon_blink           = qla24xx_beacon_blink,
1579        .read_optrom            = qla25xx_read_optrom_data,
1580        .write_optrom           = qla24xx_write_optrom_data,
1581        .get_flash_version      = qla24xx_get_flash_version,
1582        .start_scsi             = qla24xx_dif_start_scsi,
1583        .abort_isp              = qla2x00_abort_isp,
1584};
1585
1586static struct isp_operations qla81xx_isp_ops = {
1587        .pci_config             = qla25xx_pci_config,
1588        .reset_chip             = qla24xx_reset_chip,
1589        .chip_diag              = qla24xx_chip_diag,
1590        .config_rings           = qla24xx_config_rings,
1591        .reset_adapter          = qla24xx_reset_adapter,
1592        .nvram_config           = qla81xx_nvram_config,
1593        .update_fw_options      = qla81xx_update_fw_options,
1594        .load_risc              = qla81xx_load_risc,
1595        .pci_info_str           = qla24xx_pci_info_str,
1596        .fw_version_str         = qla24xx_fw_version_str,
1597        .intr_handler           = qla24xx_intr_handler,
1598        .enable_intrs           = qla24xx_enable_intrs,
1599        .disable_intrs          = qla24xx_disable_intrs,
1600        .abort_command          = qla24xx_abort_command,
1601        .target_reset           = qla24xx_abort_target,
1602        .lun_reset              = qla24xx_lun_reset,
1603        .fabric_login           = qla24xx_login_fabric,
1604        .fabric_logout          = qla24xx_fabric_logout,
1605        .calc_req_entries       = NULL,
1606        .build_iocbs            = NULL,
1607        .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1608        .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1609        .read_nvram             = NULL,
1610        .write_nvram            = NULL,
1611        .fw_dump                = qla81xx_fw_dump,
1612        .beacon_on              = qla24xx_beacon_on,
1613        .beacon_off             = qla24xx_beacon_off,
1614        .beacon_blink           = qla24xx_beacon_blink,
1615        .read_optrom            = qla25xx_read_optrom_data,
1616        .write_optrom           = qla24xx_write_optrom_data,
1617        .get_flash_version      = qla24xx_get_flash_version,
1618        .start_scsi             = qla24xx_dif_start_scsi,
1619        .abort_isp              = qla2x00_abort_isp,
1620};
1621
1622static struct isp_operations qla82xx_isp_ops = {
1623        .pci_config             = qla82xx_pci_config,
1624        .reset_chip             = qla82xx_reset_chip,
1625        .chip_diag              = qla24xx_chip_diag,
1626        .config_rings           = qla82xx_config_rings,
1627        .reset_adapter          = qla24xx_reset_adapter,
1628        .nvram_config           = qla81xx_nvram_config,
1629        .update_fw_options      = qla24xx_update_fw_options,
1630        .load_risc              = qla82xx_load_risc,
1631        .pci_info_str           = qla82xx_pci_info_str,
1632        .fw_version_str         = qla24xx_fw_version_str,
1633        .intr_handler           = qla82xx_intr_handler,
1634        .enable_intrs           = qla82xx_enable_intrs,
1635        .disable_intrs          = qla82xx_disable_intrs,
1636        .abort_command          = qla24xx_abort_command,
1637        .target_reset           = qla24xx_abort_target,
1638        .lun_reset              = qla24xx_lun_reset,
1639        .fabric_login           = qla24xx_login_fabric,
1640        .fabric_logout          = qla24xx_fabric_logout,
1641        .calc_req_entries       = NULL,
1642        .build_iocbs            = NULL,
1643        .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1644        .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1645        .read_nvram             = qla24xx_read_nvram_data,
1646        .write_nvram            = qla24xx_write_nvram_data,
1647        .fw_dump                = qla24xx_fw_dump,
1648        .beacon_on              = qla24xx_beacon_on,
1649        .beacon_off             = qla24xx_beacon_off,
1650        .beacon_blink           = qla24xx_beacon_blink,
1651        .read_optrom            = qla82xx_read_optrom_data,
1652        .write_optrom           = qla82xx_write_optrom_data,
1653        .get_flash_version      = qla24xx_get_flash_version,
1654        .start_scsi             = qla82xx_start_scsi,
1655        .abort_isp              = qla82xx_abort_isp,
1656};
1657
1658static inline void
1659qla2x00_set_isp_flags(struct qla_hw_data *ha)
1660{
1661        ha->device_type = DT_EXTENDED_IDS;
1662        switch (ha->pdev->device) {
1663        case PCI_DEVICE_ID_QLOGIC_ISP2100:
1664                ha->device_type |= DT_ISP2100;
1665                ha->device_type &= ~DT_EXTENDED_IDS;
1666                ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1667                break;
1668        case PCI_DEVICE_ID_QLOGIC_ISP2200:
1669                ha->device_type |= DT_ISP2200;
1670                ha->device_type &= ~DT_EXTENDED_IDS;
1671                ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1672                break;
1673        case PCI_DEVICE_ID_QLOGIC_ISP2300:
1674                ha->device_type |= DT_ISP2300;
1675                ha->device_type |= DT_ZIO_SUPPORTED;
1676                ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1677                break;
1678        case PCI_DEVICE_ID_QLOGIC_ISP2312:
1679                ha->device_type |= DT_ISP2312;
1680                ha->device_type |= DT_ZIO_SUPPORTED;
1681                ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1682                break;
1683        case PCI_DEVICE_ID_QLOGIC_ISP2322:
1684                ha->device_type |= DT_ISP2322;
1685                ha->device_type |= DT_ZIO_SUPPORTED;
1686                if (ha->pdev->subsystem_vendor == 0x1028 &&
1687                    ha->pdev->subsystem_device == 0x0170)
1688                        ha->device_type |= DT_OEM_001;
1689                ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1690                break;
1691        case PCI_DEVICE_ID_QLOGIC_ISP6312:
1692                ha->device_type |= DT_ISP6312;
1693                ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1694                break;
1695        case PCI_DEVICE_ID_QLOGIC_ISP6322:
1696                ha->device_type |= DT_ISP6322;
1697                ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1698                break;
1699        case PCI_DEVICE_ID_QLOGIC_ISP2422:
1700                ha->device_type |= DT_ISP2422;
1701                ha->device_type |= DT_ZIO_SUPPORTED;
1702                ha->device_type |= DT_FWI2;
1703                ha->device_type |= DT_IIDMA;
1704                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1705                break;
1706        case PCI_DEVICE_ID_QLOGIC_ISP2432:
1707                ha->device_type |= DT_ISP2432;
1708                ha->device_type |= DT_ZIO_SUPPORTED;
1709                ha->device_type |= DT_FWI2;
1710                ha->device_type |= DT_IIDMA;
1711                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1712                break;
1713        case PCI_DEVICE_ID_QLOGIC_ISP8432:
1714                ha->device_type |= DT_ISP8432;
1715                ha->device_type |= DT_ZIO_SUPPORTED;
1716                ha->device_type |= DT_FWI2;
1717                ha->device_type |= DT_IIDMA;
1718                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1719                break;
1720        case PCI_DEVICE_ID_QLOGIC_ISP5422:
1721                ha->device_type |= DT_ISP5422;
1722                ha->device_type |= DT_FWI2;
1723                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1724                break;
1725        case PCI_DEVICE_ID_QLOGIC_ISP5432:
1726                ha->device_type |= DT_ISP5432;
1727                ha->device_type |= DT_FWI2;
1728                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1729                break;
1730        case PCI_DEVICE_ID_QLOGIC_ISP2532:
1731                ha->device_type |= DT_ISP2532;
1732                ha->device_type |= DT_ZIO_SUPPORTED;
1733                ha->device_type |= DT_FWI2;
1734                ha->device_type |= DT_IIDMA;
1735                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1736                break;
1737        case PCI_DEVICE_ID_QLOGIC_ISP8001:
1738                ha->device_type |= DT_ISP8001;
1739                ha->device_type |= DT_ZIO_SUPPORTED;
1740                ha->device_type |= DT_FWI2;
1741                ha->device_type |= DT_IIDMA;
1742                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1743                break;
1744        case PCI_DEVICE_ID_QLOGIC_ISP8021:
1745                ha->device_type |= DT_ISP8021;
1746                ha->device_type |= DT_ZIO_SUPPORTED;
1747                ha->device_type |= DT_FWI2;
1748                ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1749                /* Initialize 82XX ISP flags */
1750                qla82xx_init_flags(ha);
1751                break;
1752        }
1753
1754        if (IS_QLA82XX(ha))
1755                ha->port_no = !(ha->portnum & 1);
1756        else
1757                /* Get adapter physical port no from interrupt pin register. */
1758                pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1759
1760        if (ha->port_no & 1)
1761                ha->flags.port0 = 1;
1762        else
1763                ha->flags.port0 = 0;
1764}
1765
1766static int
1767qla2x00_iospace_config(struct qla_hw_data *ha)
1768{
1769        resource_size_t pio;
1770        uint16_t msix;
1771        int cpus;
1772
1773        if (IS_QLA82XX(ha))
1774                return qla82xx_iospace_config(ha);
1775
1776        if (pci_request_selected_regions(ha->pdev, ha->bars,
1777            QLA2XXX_DRIVER_NAME)) {
1778                qla_printk(KERN_WARNING, ha,
1779                    "Failed to reserve PIO/MMIO regions (%s)\n",
1780                    pci_name(ha->pdev));
1781
1782                goto iospace_error_exit;
1783        }
1784        if (!(ha->bars & 1))
1785                goto skip_pio;
1786
1787        /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1788        pio = pci_resource_start(ha->pdev, 0);
1789        if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1790                if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1791                        qla_printk(KERN_WARNING, ha,
1792                            "Invalid PCI I/O region size (%s)...\n",
1793                                pci_name(ha->pdev));
1794                        pio = 0;
1795                }
1796        } else {
1797                qla_printk(KERN_WARNING, ha,
1798                    "region #0 not a PIO resource (%s)...\n",
1799                    pci_name(ha->pdev));
1800                pio = 0;
1801        }
1802        ha->pio_address = pio;
1803
1804skip_pio:
1805        /* Use MMIO operations for all accesses. */
1806        if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1807                qla_printk(KERN_ERR, ha,
1808                    "region #1 not an MMIO resource (%s), aborting\n",
1809                    pci_name(ha->pdev));
1810                goto iospace_error_exit;
1811        }
1812        if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1813                qla_printk(KERN_ERR, ha,
1814                    "Invalid PCI mem region size (%s), aborting\n",
1815                        pci_name(ha->pdev));
1816                goto iospace_error_exit;
1817        }
1818
1819        ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1820        if (!ha->iobase) {
1821                qla_printk(KERN_ERR, ha,
1822                    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1823
1824                goto iospace_error_exit;
1825        }
1826
1827        /* Determine queue resources */
1828        ha->max_req_queues = ha->max_rsp_queues = 1;
1829        if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1830                (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1831                (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1832                goto mqiobase_exit;
1833
1834        ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1835                        pci_resource_len(ha->pdev, 3));
1836        if (ha->mqiobase) {
1837                /* Read MSIX vector size of the board */
1838                pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1839                ha->msix_count = msix;
1840                /* Max queues are bounded by available msix vectors */
1841                /* queue 0 uses two msix vectors */
1842                if (ql2xmultique_tag) {
1843                        cpus = num_online_cpus();
1844                        ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1845                                (cpus + 1) : (ha->msix_count - 1);
1846                        ha->max_req_queues = 2;
1847                } else if (ql2xmaxqueues > 1) {
1848                        ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1849                                                QLA_MQ_SIZE : ql2xmaxqueues;
1850                        DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1851                        " of request queues:%d\n", ha->max_req_queues));
1852                }
1853                qla_printk(KERN_INFO, ha,
1854                        "MSI-X vector count: %d\n", msix);
1855        } else
1856                qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1857
1858mqiobase_exit:
1859        ha->msix_count = ha->max_rsp_queues + 1;
1860        return (0);
1861
1862iospace_error_exit:
1863        return (-ENOMEM);
1864}
1865
1866static void
1867qla2xxx_scan_start(struct Scsi_Host *shost)
1868{
1869        scsi_qla_host_t *vha = shost_priv(shost);
1870
1871        if (vha->hw->flags.running_gold_fw)
1872                return;
1873
1874        set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1875        set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1876        set_bit(RSCN_UPDATE, &vha->dpc_flags);
1877        set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1878}
1879
1880static int
1881qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1882{
1883        scsi_qla_host_t *vha = shost_priv(shost);
1884
1885        if (!vha->host)
1886                return 1;
1887        if (time > vha->hw->loop_reset_delay * HZ)
1888                return 1;
1889
1890        return atomic_read(&vha->loop_state) == LOOP_READY;
1891}
1892
1893/*
1894 * PCI driver interface
1895 */
1896static int __devinit
1897qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1898{
1899        int     ret = -ENODEV;
1900        struct Scsi_Host *host;
1901        scsi_qla_host_t *base_vha = NULL;
1902        struct qla_hw_data *ha;
1903        char pci_info[30];
1904        char fw_str[30];
1905        struct scsi_host_template *sht;
1906        int bars, max_id, mem_only = 0;
1907        uint16_t req_length = 0, rsp_length = 0;
1908        struct req_que *req = NULL;
1909        struct rsp_que *rsp = NULL;
1910
1911        bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1912        sht = &qla2xxx_driver_template;
1913        if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1914            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1915            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1916            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1917            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1918            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1919            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1920            pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1921                bars = pci_select_bars(pdev, IORESOURCE_MEM);
1922                mem_only = 1;
1923        }
1924
1925        if (mem_only) {
1926                if (pci_enable_device_mem(pdev))
1927                        goto probe_out;
1928        } else {
1929                if (pci_enable_device(pdev))
1930                        goto probe_out;
1931        }
1932
1933        /* This may fail but that's ok */
1934        pci_enable_pcie_error_reporting(pdev);
1935
1936        ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1937        if (!ha) {
1938                DEBUG(printk("Unable to allocate memory for ha\n"));
1939                goto probe_out;
1940        }
1941        ha->pdev = pdev;
1942
1943        /* Clear our data area */
1944        ha->bars = bars;
1945        ha->mem_only = mem_only;
1946        spin_lock_init(&ha->hardware_lock);
1947        spin_lock_init(&ha->vport_slock);
1948
1949        /* Set ISP-type information. */
1950        qla2x00_set_isp_flags(ha);
1951
1952        /* Set EEH reset type to fundamental if required by hba */
1953        if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1954                pdev->needs_freset = 1;
1955        }
1956
1957        /* Configure PCI I/O space */
1958        ret = qla2x00_iospace_config(ha);
1959        if (ret)
1960                goto probe_hw_failed;
1961
1962        qla_printk(KERN_INFO, ha,
1963            "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1964            ha->iobase);
1965
1966        ha->prev_topology = 0;
1967        ha->init_cb_size = sizeof(init_cb_t);
1968        ha->link_data_rate = PORT_SPEED_UNKNOWN;
1969        ha->optrom_size = OPTROM_SIZE_2300;
1970
1971        /* Assign ISP specific operations. */
1972        max_id = MAX_TARGETS_2200;
1973        if (IS_QLA2100(ha)) {
1974                max_id = MAX_TARGETS_2100;
1975                ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1976                req_length = REQUEST_ENTRY_CNT_2100;
1977                rsp_length = RESPONSE_ENTRY_CNT_2100;
1978                ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1979                ha->gid_list_info_size = 4;
1980                ha->flash_conf_off = ~0;
1981                ha->flash_data_off = ~0;
1982                ha->nvram_conf_off = ~0;
1983                ha->nvram_data_off = ~0;
1984                ha->isp_ops = &qla2100_isp_ops;
1985        } else if (IS_QLA2200(ha)) {
1986                ha->mbx_count = MAILBOX_REGISTER_COUNT;
1987                req_length = REQUEST_ENTRY_CNT_2200;
1988                rsp_length = RESPONSE_ENTRY_CNT_2100;
1989                ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1990                ha->gid_list_info_size = 4;
1991                ha->flash_conf_off = ~0;
1992                ha->flash_data_off = ~0;
1993                ha->nvram_conf_off = ~0;
1994                ha->nvram_data_off = ~0;
1995                ha->isp_ops = &qla2100_isp_ops;
1996        } else if (IS_QLA23XX(ha)) {
1997                ha->mbx_count = MAILBOX_REGISTER_COUNT;
1998                req_length = REQUEST_ENTRY_CNT_2200;
1999                rsp_length = RESPONSE_ENTRY_CNT_2300;
2000                ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2001                ha->gid_list_info_size = 6;
2002                if (IS_QLA2322(ha) || IS_QLA6322(ha))
2003                        ha->optrom_size = OPTROM_SIZE_2322;
2004                ha->flash_conf_off = ~0;
2005                ha->flash_data_off = ~0;
2006                ha->nvram_conf_off = ~0;
2007                ha->nvram_data_off = ~0;
2008                ha->isp_ops = &qla2300_isp_ops;
2009        } else if (IS_QLA24XX_TYPE(ha)) {
2010                ha->mbx_count = MAILBOX_REGISTER_COUNT;
2011                req_length = REQUEST_ENTRY_CNT_24XX;
2012                rsp_length = RESPONSE_ENTRY_CNT_2300;
2013                ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2014                ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2015                ha->gid_list_info_size = 8;
2016                ha->optrom_size = OPTROM_SIZE_24XX;
2017                ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2018                ha->isp_ops = &qla24xx_isp_ops;
2019                ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2020                ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2021                ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2022                ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2023        } else if (IS_QLA25XX(ha)) {
2024                ha->mbx_count = MAILBOX_REGISTER_COUNT;
2025                req_length = REQUEST_ENTRY_CNT_24XX;
2026                rsp_length = RESPONSE_ENTRY_CNT_2300;
2027                ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2028                ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2029                ha->gid_list_info_size = 8;
2030                ha->optrom_size = OPTROM_SIZE_25XX;
2031                ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2032                ha->isp_ops = &qla25xx_isp_ops;
2033                ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2034                ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2035                ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2036                ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2037        } else if (IS_QLA81XX(ha)) {
2038                ha->mbx_count = MAILBOX_REGISTER_COUNT;
2039                req_length = REQUEST_ENTRY_CNT_24XX;
2040                rsp_length = RESPONSE_ENTRY_CNT_2300;
2041                ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2042                ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2043                ha->gid_list_info_size = 8;
2044                ha->optrom_size = OPTROM_SIZE_81XX;
2045                ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2046                ha->isp_ops = &qla81xx_isp_ops;
2047                ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2048                ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2049                ha->nvram_conf_off = ~0;
2050                ha->nvram_data_off = ~0;
2051        } else if (IS_QLA82XX(ha)) {
2052                ha->mbx_count = MAILBOX_REGISTER_COUNT;
2053                req_length = REQUEST_ENTRY_CNT_82XX;
2054                rsp_length = RESPONSE_ENTRY_CNT_82XX;
2055                ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2056                ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2057                ha->gid_list_info_size = 8;
2058                ha->optrom_size = OPTROM_SIZE_82XX;
2059                ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2060                ha->isp_ops = &qla82xx_isp_ops;
2061                ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2062                ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2063                ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2064                ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2065        }
2066
2067        mutex_init(&ha->vport_lock);
2068        init_completion(&ha->mbx_cmd_comp);
2069        complete(&ha->mbx_cmd_comp);
2070        init_completion(&ha->mbx_intr_comp);
2071        init_completion(&ha->dcbx_comp);
2072
2073        set_bit(0, (unsigned long *) ha->vp_idx_map);
2074
2075        qla2x00_config_dma_addressing(ha);
2076        ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2077        if (!ret) {
2078                qla_printk(KERN_WARNING, ha,
2079                    "[ERROR] Failed to allocate memory for adapter\n");
2080
2081                goto probe_hw_failed;
2082        }
2083
2084        req->max_q_depth = MAX_Q_DEPTH;
2085        if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2086                req->max_q_depth = ql2xmaxqdepth;
2087
2088
2089        base_vha = qla2x00_create_host(sht, ha);
2090        if (!base_vha) {
2091                qla_printk(KERN_WARNING, ha,
2092                    "[ERROR] Failed to allocate memory for scsi_host\n");
2093
2094                ret = -ENOMEM;
2095                qla2x00_mem_free(ha);
2096                qla2x00_free_req_que(ha, req);
2097                qla2x00_free_rsp_que(ha, rsp);
2098                goto probe_hw_failed;
2099        }
2100
2101        pci_set_drvdata(pdev, base_vha);
2102
2103        host = base_vha->host;
2104        base_vha->req = req;
2105        host->can_queue = req->length + 128;
2106        if (IS_QLA2XXX_MIDTYPE(ha))
2107                base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2108        else
2109                base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2110                                                base_vha->vp_idx;
2111
2112        /* Set the SG table size based on ISP type */
2113        if (!IS_FWI2_CAPABLE(ha)) {
2114                if (IS_QLA2100(ha))
2115                        host->sg_tablesize = 32;
2116        } else {
2117                if (!IS_QLA82XX(ha))
2118                        host->sg_tablesize = QLA_SG_ALL;
2119        }
2120
2121        host->max_id = max_id;
2122        host->this_id = 255;
2123        host->cmd_per_lun = 3;
2124        host->unique_id = host->host_no;
2125        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2126                host->max_cmd_len = 32;
2127        else
2128                host->max_cmd_len = MAX_CMDSZ;
2129        host->max_channel = MAX_BUSES - 1;
2130        host->max_lun = MAX_LUNS;
2131        host->transportt = qla2xxx_transport_template;
2132        sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2133
2134        /* Set up the irqs */
2135        ret = qla2x00_request_irqs(ha, rsp);
2136        if (ret)
2137                goto probe_init_failed;
2138
2139        pci_save_state(pdev);
2140
2141        /* Alloc arrays of request and response ring ptrs */
2142que_init:
2143        if (!qla2x00_alloc_queues(ha)) {
2144                qla_printk(KERN_WARNING, ha,
2145                "[ERROR] Failed to allocate memory for queue"
2146                " pointers\n");
2147                goto probe_init_failed;
2148        }
2149
2150        ha->rsp_q_map[0] = rsp;
2151        ha->req_q_map[0] = req;
2152        rsp->req = req;
2153        req->rsp = rsp;
2154        set_bit(0, ha->req_qid_map);
2155        set_bit(0, ha->rsp_qid_map);
2156        /* FWI2-capable only. */
2157        req->req_q_in = &ha->iobase->isp24.req_q_in;
2158        req->req_q_out = &ha->iobase->isp24.req_q_out;
2159        rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2160        rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2161        if (ha->mqenable) {
2162                req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2163                req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2164                rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2165                rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2166        }
2167
2168        if (IS_QLA82XX(ha)) {
2169                req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2170                rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2171                rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2172        }
2173
2174        if (qla2x00_initialize_adapter(base_vha)) {
2175                qla_printk(KERN_WARNING, ha,
2176                    "Failed to initialize adapter\n");
2177
2178                DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2179                    "Adapter flags %x.\n",
2180                    base_vha->host_no, base_vha->device_flags));
2181
2182                if (IS_QLA82XX(ha)) {
2183                        qla82xx_idc_lock(ha);
2184                        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2185                                QLA82XX_DEV_FAILED);
2186                        qla82xx_idc_unlock(ha);
2187                        qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2188                }
2189
2190                ret = -ENODEV;
2191                goto probe_failed;
2192        }
2193
2194        if (ha->mqenable) {
2195                if (qla25xx_setup_mode(base_vha)) {
2196                        qla_printk(KERN_WARNING, ha,
2197                                "Can't create queues, falling back to single"
2198                                " queue mode\n");
2199                        goto que_init;
2200                }
2201        }
2202
2203        if (ha->flags.running_gold_fw)
2204                goto skip_dpc;
2205
2206        /*
2207         * Startup the kernel thread for this host adapter
2208         */
2209        ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2210                        "%s_dpc", base_vha->host_str);
2211        if (IS_ERR(ha->dpc_thread)) {
2212                qla_printk(KERN_WARNING, ha,
2213                    "Unable to start DPC thread!\n");
2214                ret = PTR_ERR(ha->dpc_thread);
2215                goto probe_failed;
2216        }
2217
2218skip_dpc:
2219        list_add_tail(&base_vha->list, &ha->vp_list);
2220        base_vha->host->irq = ha->pdev->irq;
2221
2222        /* Initialized the timer */
2223        qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2224
2225        DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2226            base_vha->host_no, ha));
2227
2228        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2229                if (ha->fw_attributes & BIT_4) {
2230                        base_vha->flags.difdix_supported = 1;
2231                        DEBUG18(qla_printk(KERN_INFO, ha,
2232                            "Registering for DIF/DIX type 1 and 3"
2233                            " protection.\n"));
2234                        scsi_host_set_prot(host,
2235                            SHOST_DIF_TYPE1_PROTECTION
2236                            | SHOST_DIF_TYPE2_PROTECTION
2237                            | SHOST_DIF_TYPE3_PROTECTION
2238                            | SHOST_DIX_TYPE1_PROTECTION
2239                            | SHOST_DIX_TYPE2_PROTECTION
2240                            | SHOST_DIX_TYPE3_PROTECTION);
2241                        scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2242                } else
2243                        base_vha->flags.difdix_supported = 0;
2244        }
2245
2246        ha->isp_ops->enable_intrs(ha);
2247
2248        ret = scsi_add_host(host, &pdev->dev);
2249        if (ret)
2250                goto probe_failed;
2251
2252        base_vha->flags.init_done = 1;
2253        base_vha->flags.online = 1;
2254
2255        scsi_scan_host(host);
2256
2257        qla2x00_alloc_sysfs_attr(base_vha);
2258
2259        qla2x00_init_host_attr(base_vha);
2260
2261        qla2x00_dfs_setup(base_vha);
2262
2263        qla_printk(KERN_INFO, ha, "\n"
2264            " QLogic Fibre Channel HBA Driver: %s\n"
2265            "  QLogic %s - %s\n"
2266            "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2267            qla2x00_version_str, ha->model_number,
2268            ha->model_desc ? ha->model_desc : "", pdev->device,
2269            ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2270            ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2271            ha->isp_ops->fw_version_str(base_vha, fw_str));
2272
2273        return 0;
2274
2275probe_init_failed:
2276        qla2x00_free_req_que(ha, req);
2277        qla2x00_free_rsp_que(ha, rsp);
2278        ha->max_req_queues = ha->max_rsp_queues = 0;
2279
2280probe_failed:
2281        if (base_vha->timer_active)
2282                qla2x00_stop_timer(base_vha);
2283        base_vha->flags.online = 0;
2284        if (ha->dpc_thread) {
2285                struct task_struct *t = ha->dpc_thread;
2286
2287                ha->dpc_thread = NULL;
2288                kthread_stop(t);
2289        }
2290
2291        qla2x00_free_device(base_vha);
2292
2293        scsi_host_put(base_vha->host);
2294
2295probe_hw_failed:
2296        if (IS_QLA82XX(ha)) {
2297                qla82xx_idc_lock(ha);
2298                qla82xx_clear_drv_active(ha);
2299                qla82xx_idc_unlock(ha);
2300                iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2301                if (!ql2xdbwr)
2302                        iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2303        } else {
2304                if (ha->iobase)
2305                        iounmap(ha->iobase);
2306        }
2307        pci_release_selected_regions(ha->pdev, ha->bars);
2308        kfree(ha);
2309        ha = NULL;
2310
2311probe_out:
2312        pci_disable_device(pdev);
2313        return ret;
2314}
2315
2316static void
2317qla2x00_shutdown(struct pci_dev *pdev)
2318{
2319        scsi_qla_host_t *vha;
2320        struct qla_hw_data  *ha;
2321
2322        vha = pci_get_drvdata(pdev);
2323        ha = vha->hw;
2324
2325        /* Turn-off FCE trace */
2326        if (ha->flags.fce_enabled) {
2327                qla2x00_disable_fce_trace(vha, NULL, NULL);
2328                ha->flags.fce_enabled = 0;
2329        }
2330
2331        /* Turn-off EFT trace */
2332        if (ha->eft)
2333                qla2x00_disable_eft_trace(vha);
2334
2335        /* Stop currently executing firmware. */
2336        qla2x00_try_to_stop_firmware(vha);
2337
2338        /* Turn adapter off line */
2339        vha->flags.online = 0;
2340
2341        /* turn-off interrupts on the card */
2342        if (ha->interrupts_on) {
2343                vha->flags.init_done = 0;
2344                ha->isp_ops->disable_intrs(ha);
2345        }
2346
2347        qla2x00_free_irqs(vha);
2348
2349        qla2x00_free_fw_dump(ha);
2350}
2351
2352static void
2353qla2x00_remove_one(struct pci_dev *pdev)
2354{
2355        scsi_qla_host_t *base_vha, *vha;
2356        struct qla_hw_data  *ha;
2357        unsigned long flags;
2358
2359        base_vha = pci_get_drvdata(pdev);
2360        ha = base_vha->hw;
2361
2362        spin_lock_irqsave(&ha->vport_slock, flags);
2363        list_for_each_entry(vha, &ha->vp_list, list) {
2364                atomic_inc(&vha->vref_count);
2365
2366                if (vha->fc_vport) {
2367                        spin_unlock_irqrestore(&ha->vport_slock, flags);
2368
2369                        fc_vport_terminate(vha->fc_vport);
2370
2371                        spin_lock_irqsave(&ha->vport_slock, flags);
2372                }
2373
2374                atomic_dec(&vha->vref_count);
2375        }
2376        spin_unlock_irqrestore(&ha->vport_slock, flags);
2377
2378        set_bit(UNLOADING, &base_vha->dpc_flags);
2379
2380        qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2381
2382        qla2x00_dfs_remove(base_vha);
2383
2384        qla84xx_put_chip(base_vha);
2385
2386        /* Disable timer */
2387        if (base_vha->timer_active)
2388                qla2x00_stop_timer(base_vha);
2389
2390        base_vha->flags.online = 0;
2391
2392        /* Flush the work queue and remove it */
2393        if (ha->wq) {
2394                flush_workqueue(ha->wq);
2395                destroy_workqueue(ha->wq);
2396                ha->wq = NULL;
2397        }
2398
2399        /* Kill the kernel thread for this host */
2400        if (ha->dpc_thread) {
2401                struct task_struct *t = ha->dpc_thread;
2402
2403                /*
2404                 * qla2xxx_wake_dpc checks for ->dpc_thread
2405                 * so we need to zero it out.
2406                 */
2407                ha->dpc_thread = NULL;
2408                kthread_stop(t);
2409        }
2410
2411        qla2x00_free_sysfs_attr(base_vha);
2412
2413        fc_remove_host(base_vha->host);
2414
2415        scsi_remove_host(base_vha->host);
2416
2417        qla2x00_free_device(base_vha);
2418
2419        scsi_host_put(base_vha->host);
2420
2421        if (IS_QLA82XX(ha)) {
2422                qla82xx_idc_lock(ha);
2423                qla82xx_clear_drv_active(ha);
2424                qla82xx_idc_unlock(ha);
2425
2426                iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2427                if (!ql2xdbwr)
2428                        iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2429        } else {
2430                if (ha->iobase)
2431                        iounmap(ha->iobase);
2432
2433                if (ha->mqiobase)
2434                        iounmap(ha->mqiobase);
2435        }
2436
2437        pci_release_selected_regions(ha->pdev, ha->bars);
2438        kfree(ha);
2439        ha = NULL;
2440
2441        pci_disable_pcie_error_reporting(pdev);
2442
2443        pci_disable_device(pdev);
2444        pci_set_drvdata(pdev, NULL);
2445}
2446
2447static void
2448qla2x00_free_device(scsi_qla_host_t *vha)
2449{
2450        struct qla_hw_data *ha = vha->hw;
2451
2452        qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2453
2454        /* Disable timer */
2455        if (vha->timer_active)
2456                qla2x00_stop_timer(vha);
2457
2458        /* Kill the kernel thread for this host */
2459        if (ha->dpc_thread) {
2460                struct task_struct *t = ha->dpc_thread;
2461
2462                /*
2463                 * qla2xxx_wake_dpc checks for ->dpc_thread
2464                 * so we need to zero it out.
2465                 */
2466                ha->dpc_thread = NULL;
2467                kthread_stop(t);
2468        }
2469
2470        qla25xx_delete_queues(vha);
2471
2472        if (ha->flags.fce_enabled)
2473                qla2x00_disable_fce_trace(vha, NULL, NULL);
2474
2475        if (ha->eft)
2476                qla2x00_disable_eft_trace(vha);
2477
2478        /* Stop currently executing firmware. */
2479        qla2x00_try_to_stop_firmware(vha);
2480
2481        vha->flags.online = 0;
2482
2483        /* turn-off interrupts on the card */
2484        if (ha->interrupts_on) {
2485                vha->flags.init_done = 0;
2486                ha->isp_ops->disable_intrs(ha);
2487        }
2488
2489        qla2x00_free_irqs(vha);
2490
2491        qla2x00_free_fcports(vha);
2492
2493        qla2x00_mem_free(ha);
2494
2495        qla2x00_free_queues(ha);
2496}
2497
2498void qla2x00_free_fcports(struct scsi_qla_host *vha)
2499{
2500        fc_port_t *fcport, *tfcport;
2501
2502        list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2503                list_del(&fcport->list);
2504                kfree(fcport);
2505                fcport = NULL;
2506        }
2507}
2508
2509static inline void
2510qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2511    int defer)
2512{
2513        struct fc_rport *rport;
2514        scsi_qla_host_t *base_vha;
2515        unsigned long flags;
2516
2517        if (!fcport->rport)
2518                return;
2519
2520        rport = fcport->rport;
2521        if (defer) {
2522                base_vha = pci_get_drvdata(vha->hw->pdev);
2523                spin_lock_irqsave(vha->host->host_lock, flags);
2524                fcport->drport = rport;
2525                spin_unlock_irqrestore(vha->host->host_lock, flags);
2526                set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2527                qla2xxx_wake_dpc(base_vha);
2528        } else
2529                fc_remote_port_delete(rport);
2530}
2531
2532/*
2533 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2534 *
2535 * Input: ha = adapter block pointer.  fcport = port structure pointer.
2536 *
2537 * Return: None.
2538 *
2539 * Context:
2540 */
2541void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2542    int do_login, int defer)
2543{
2544        if (atomic_read(&fcport->state) == FCS_ONLINE &&
2545            vha->vp_idx == fcport->vp_idx) {
2546                atomic_set(&fcport->state, FCS_DEVICE_LOST);
2547                qla2x00_schedule_rport_del(vha, fcport, defer);
2548        }
2549        /*
2550         * We may need to retry the login, so don't change the state of the
2551         * port but do the retries.
2552         */
2553        if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2554                atomic_set(&fcport->state, FCS_DEVICE_LOST);
2555
2556        if (!do_login)
2557                return;
2558
2559        if (fcport->login_retry == 0) {
2560                fcport->login_retry = vha->hw->login_retry_count;
2561                set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2562
2563                DEBUG(printk("scsi(%ld): Port login retry: "
2564                    "%02x%02x%02x%02x%02x%02x%02x%02x, "
2565                    "id = 0x%04x retry cnt=%d\n",
2566                    vha->host_no,
2567                    fcport->port_name[0],
2568                    fcport->port_name[1],
2569                    fcport->port_name[2],
2570                    fcport->port_name[3],
2571                    fcport->port_name[4],
2572                    fcport->port_name[5],
2573                    fcport->port_name[6],
2574                    fcport->port_name[7],
2575                    fcport->loop_id,
2576                    fcport->login_retry));
2577        }
2578}
2579
2580/*
2581 * qla2x00_mark_all_devices_lost
2582 *      Updates fcport state when device goes offline.
2583 *
2584 * Input:
2585 *      ha = adapter block pointer.
2586 *      fcport = port structure pointer.
2587 *
2588 * Return:
2589 *      None.
2590 *
2591 * Context:
2592 */
2593void
2594qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2595{
2596        fc_port_t *fcport;
2597
2598        list_for_each_entry(fcport, &vha->vp_fcports, list) {
2599                if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2600                        continue;
2601
2602                /*
2603                 * No point in marking the device as lost, if the device is
2604                 * already DEAD.
2605                 */
2606                if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2607                        continue;
2608                if (atomic_read(&fcport->state) == FCS_ONLINE) {
2609                        atomic_set(&fcport->state, FCS_DEVICE_LOST);
2610                        if (defer)
2611                                qla2x00_schedule_rport_del(vha, fcport, defer);
2612                        else if (vha->vp_idx == fcport->vp_idx)
2613                                qla2x00_schedule_rport_del(vha, fcport, defer);
2614                }
2615        }
2616}
2617
2618/*
2619* qla2x00_mem_alloc
2620*      Allocates adapter memory.
2621*
2622* Returns:
2623*      0  = success.
2624*      !0  = failure.
2625*/
2626static int
2627qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2628        struct req_que **req, struct rsp_que **rsp)
2629{
2630        char    name[16];
2631
2632        ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2633                &ha->init_cb_dma, GFP_KERNEL);
2634        if (!ha->init_cb)
2635                goto fail;
2636
2637        ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2638                &ha->gid_list_dma, GFP_KERNEL);
2639        if (!ha->gid_list)
2640                goto fail_free_init_cb;
2641
2642        ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2643        if (!ha->srb_mempool)
2644                goto fail_free_gid_list;
2645
2646        if (IS_QLA82XX(ha)) {
2647                /* Allocate cache for CT6 Ctx. */
2648                if (!ctx_cachep) {
2649                        ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2650                                sizeof(struct ct6_dsd), 0,
2651                                SLAB_HWCACHE_ALIGN, NULL);
2652                        if (!ctx_cachep)
2653                                goto fail_free_gid_list;
2654                }
2655                ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2656                        ctx_cachep);
2657                if (!ha->ctx_mempool)
2658                        goto fail_free_srb_mempool;
2659        }
2660
2661        /* Get memory for cached NVRAM */
2662        ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2663        if (!ha->nvram)
2664                goto fail_free_ctx_mempool;
2665
2666        snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2667                ha->pdev->device);
2668        ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2669                DMA_POOL_SIZE, 8, 0);
2670        if (!ha->s_dma_pool)
2671                goto fail_free_nvram;
2672
2673        if (IS_QLA82XX(ha) || ql2xenabledif) {
2674                ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2675                        DSD_LIST_DMA_POOL_SIZE, 8, 0);
2676                if (!ha->dl_dma_pool) {
2677                        qla_printk(KERN_WARNING, ha,
2678                            "Memory Allocation failed - dl_dma_pool\n");
2679                        goto fail_s_dma_pool;
2680                }
2681
2682                ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2683                        FCP_CMND_DMA_POOL_SIZE, 8, 0);
2684                if (!ha->fcp_cmnd_dma_pool) {
2685                        qla_printk(KERN_WARNING, ha,
2686                            "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2687                        goto fail_dl_dma_pool;
2688                }
2689        }
2690
2691        /* Allocate memory for SNS commands */
2692        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2693        /* Get consistent memory allocated for SNS commands */
2694                ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2695                sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2696                if (!ha->sns_cmd)
2697                        goto fail_dma_pool;
2698        } else {
2699        /* Get consistent memory allocated for MS IOCB */
2700                ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2701                        &ha->ms_iocb_dma);
2702                if (!ha->ms_iocb)
2703                        goto fail_dma_pool;
2704        /* Get consistent memory allocated for CT SNS commands */
2705                ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2706                        sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2707                if (!ha->ct_sns)
2708                        goto fail_free_ms_iocb;
2709        }
2710
2711        /* Allocate memory for request ring */
2712        *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2713        if (!*req) {
2714                DEBUG(printk("Unable to allocate memory for req\n"));
2715                goto fail_req;
2716        }
2717        (*req)->length = req_len;
2718        (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2719                ((*req)->length + 1) * sizeof(request_t),
2720                &(*req)->dma, GFP_KERNEL);
2721        if (!(*req)->ring) {
2722                DEBUG(printk("Unable to allocate memory for req_ring\n"));
2723                goto fail_req_ring;
2724        }
2725        /* Allocate memory for response ring */
2726        *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2727        if (!*rsp) {
2728                qla_printk(KERN_WARNING, ha,
2729                        "Unable to allocate memory for rsp\n");
2730                goto fail_rsp;
2731        }
2732        (*rsp)->hw = ha;
2733        (*rsp)->length = rsp_len;
2734        (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2735                ((*rsp)->length + 1) * sizeof(response_t),
2736                &(*rsp)->dma, GFP_KERNEL);
2737        if (!(*rsp)->ring) {
2738                qla_printk(KERN_WARNING, ha,
2739                        "Unable to allocate memory for rsp_ring\n");
2740                goto fail_rsp_ring;
2741        }
2742        (*req)->rsp = *rsp;
2743        (*rsp)->req = *req;
2744        /* Allocate memory for NVRAM data for vports */
2745        if (ha->nvram_npiv_size) {
2746                ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2747                                        ha->nvram_npiv_size, GFP_KERNEL);
2748                if (!ha->npiv_info) {
2749                        qla_printk(KERN_WARNING, ha,
2750                                "Unable to allocate memory for npiv info\n");
2751                        goto fail_npiv_info;
2752                }
2753        } else
2754                ha->npiv_info = NULL;
2755
2756        /* Get consistent memory allocated for EX-INIT-CB. */
2757        if (IS_QLA8XXX_TYPE(ha)) {
2758                ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2759                    &ha->ex_init_cb_dma);
2760                if (!ha->ex_init_cb)
2761                        goto fail_ex_init_cb;
2762        }
2763
2764        INIT_LIST_HEAD(&ha->gbl_dsd_list);
2765
2766        /* Get consistent memory allocated for Async Port-Database. */
2767        if (!IS_FWI2_CAPABLE(ha)) {
2768                ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2769                        &ha->async_pd_dma);
2770                if (!ha->async_pd)
2771                        goto fail_async_pd;
2772        }
2773
2774        INIT_LIST_HEAD(&ha->vp_list);
2775        return 1;
2776
2777fail_async_pd:
2778        dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2779fail_ex_init_cb:
2780        kfree(ha->npiv_info);
2781fail_npiv_info:
2782        dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2783                sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2784        (*rsp)->ring = NULL;
2785        (*rsp)->dma = 0;
2786fail_rsp_ring:
2787        kfree(*rsp);
2788fail_rsp:
2789        dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2790                sizeof(request_t), (*req)->ring, (*req)->dma);
2791        (*req)->ring = NULL;
2792        (*req)->dma = 0;
2793fail_req_ring:
2794        kfree(*req);
2795fail_req:
2796        dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2797                ha->ct_sns, ha->ct_sns_dma);
2798        ha->ct_sns = NULL;
2799        ha->ct_sns_dma = 0;
2800fail_free_ms_iocb:
2801        dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2802        ha->ms_iocb = NULL;
2803        ha->ms_iocb_dma = 0;
2804fail_dma_pool:
2805        if (IS_QLA82XX(ha) || ql2xenabledif) {
2806                dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2807                ha->fcp_cmnd_dma_pool = NULL;
2808        }
2809fail_dl_dma_pool:
2810        if (IS_QLA82XX(ha) || ql2xenabledif) {
2811                dma_pool_destroy(ha->dl_dma_pool);
2812                ha->dl_dma_pool = NULL;
2813        }
2814fail_s_dma_pool:
2815        dma_pool_destroy(ha->s_dma_pool);
2816        ha->s_dma_pool = NULL;
2817fail_free_nvram:
2818        kfree(ha->nvram);
2819        ha->nvram = NULL;
2820fail_free_ctx_mempool:
2821        mempool_destroy(ha->ctx_mempool);
2822        ha->ctx_mempool = NULL;
2823fail_free_srb_mempool:
2824        mempool_destroy(ha->srb_mempool);
2825        ha->srb_mempool = NULL;
2826fail_free_gid_list:
2827        dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2828        ha->gid_list_dma);
2829        ha->gid_list = NULL;
2830        ha->gid_list_dma = 0;
2831fail_free_init_cb:
2832        dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2833        ha->init_cb_dma);
2834        ha->init_cb = NULL;
2835        ha->init_cb_dma = 0;
2836fail:
2837        DEBUG(printk("%s: Memory allocation failure\n", __func__));
2838        return -ENOMEM;
2839}
2840
2841/*
2842* qla2x00_free_fw_dump
2843*       Frees fw dump stuff.
2844*
2845* Input:
2846*       ha = adapter block pointer.
2847*/
2848static void
2849qla2x00_free_fw_dump(struct qla_hw_data *ha)
2850{
2851        if (ha->fce)
2852                dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2853                    ha->fce_dma);
2854
2855        if (ha->fw_dump) {
2856                if (ha->eft)
2857                        dma_free_coherent(&ha->pdev->dev,
2858                            ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2859                vfree(ha->fw_dump);
2860        }
2861        ha->fce = NULL;
2862        ha->fce_dma = 0;
2863        ha->eft = NULL;
2864        ha->eft_dma = 0;
2865        ha->fw_dump = NULL;
2866        ha->fw_dumped = 0;
2867        ha->fw_dump_reading = 0;
2868}
2869
2870/*
2871* qla2x00_mem_free
2872*      Frees all adapter allocated memory.
2873*
2874* Input:
2875*      ha = adapter block pointer.
2876*/
2877static void
2878qla2x00_mem_free(struct qla_hw_data *ha)
2879{
2880        qla2x00_free_fw_dump(ha);
2881
2882        if (ha->srb_mempool)
2883                mempool_destroy(ha->srb_mempool);
2884
2885        if (ha->dcbx_tlv)
2886                dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2887                    ha->dcbx_tlv, ha->dcbx_tlv_dma);
2888
2889        if (ha->xgmac_data)
2890                dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2891                    ha->xgmac_data, ha->xgmac_data_dma);
2892
2893        if (ha->sns_cmd)
2894                dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2895                ha->sns_cmd, ha->sns_cmd_dma);
2896
2897        if (ha->ct_sns)
2898                dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2899                ha->ct_sns, ha->ct_sns_dma);
2900
2901        if (ha->sfp_data)
2902                dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2903
2904        if (ha->edc_data)
2905                dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2906
2907        if (ha->ms_iocb)
2908                dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2909
2910        if (ha->ex_init_cb)
2911                dma_pool_free(ha->s_dma_pool,
2912                        ha->ex_init_cb, ha->ex_init_cb_dma);
2913
2914        if (ha->async_pd)
2915                dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2916
2917        if (ha->s_dma_pool)
2918                dma_pool_destroy(ha->s_dma_pool);
2919
2920        if (ha->gid_list)
2921                dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2922                ha->gid_list_dma);
2923
2924        if (IS_QLA82XX(ha)) {
2925                if (!list_empty(&ha->gbl_dsd_list)) {
2926                        struct dsd_dma *dsd_ptr, *tdsd_ptr;
2927
2928                        /* clean up allocated prev pool */
2929                        list_for_each_entry_safe(dsd_ptr,
2930                                tdsd_ptr, &ha->gbl_dsd_list, list) {
2931                                dma_pool_free(ha->dl_dma_pool,
2932                                dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2933                                list_del(&dsd_ptr->list);
2934                                kfree(dsd_ptr);
2935                        }
2936                }
2937        }
2938
2939        if (ha->dl_dma_pool)
2940                dma_pool_destroy(ha->dl_dma_pool);
2941
2942        if (ha->fcp_cmnd_dma_pool)
2943                dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2944
2945        if (ha->ctx_mempool)
2946                mempool_destroy(ha->ctx_mempool);
2947
2948        if (ha->init_cb)
2949                dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2950                        ha->init_cb, ha->init_cb_dma);
2951        vfree(ha->optrom_buffer);
2952        kfree(ha->nvram);
2953        kfree(ha->npiv_info);
2954
2955        ha->srb_mempool = NULL;
2956        ha->ctx_mempool = NULL;
2957        ha->sns_cmd = NULL;
2958        ha->sns_cmd_dma = 0;
2959        ha->ct_sns = NULL;
2960        ha->ct_sns_dma = 0;
2961        ha->ms_iocb = NULL;
2962        ha->ms_iocb_dma = 0;
2963        ha->init_cb = NULL;
2964        ha->init_cb_dma = 0;
2965        ha->ex_init_cb = NULL;
2966        ha->ex_init_cb_dma = 0;
2967        ha->async_pd = NULL;
2968        ha->async_pd_dma = 0;
2969
2970        ha->s_dma_pool = NULL;
2971        ha->dl_dma_pool = NULL;
2972        ha->fcp_cmnd_dma_pool = NULL;
2973
2974        ha->gid_list = NULL;
2975        ha->gid_list_dma = 0;
2976}
2977
2978struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2979                                                struct qla_hw_data *ha)
2980{
2981        struct Scsi_Host *host;
2982        struct scsi_qla_host *vha = NULL;
2983
2984        host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2985        if (host == NULL) {
2986                printk(KERN_WARNING
2987                "qla2xxx: Couldn't allocate host from scsi layer!\n");
2988                goto fail;
2989        }
2990
2991        /* Clear our data area */
2992        vha = shost_priv(host);
2993        memset(vha, 0, sizeof(scsi_qla_host_t));
2994
2995        vha->host = host;
2996        vha->host_no = host->host_no;
2997        vha->hw = ha;
2998
2999        INIT_LIST_HEAD(&vha->vp_fcports);
3000        INIT_LIST_HEAD(&vha->work_list);
3001        INIT_LIST_HEAD(&vha->list);
3002
3003        spin_lock_init(&vha->work_lock);
3004
3005        sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3006        return vha;
3007
3008fail:
3009        return vha;
3010}
3011
3012static struct qla_work_evt *
3013qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3014{
3015        struct qla_work_evt *e;
3016        uint8_t bail;
3017
3018        QLA_VHA_MARK_BUSY(vha, bail);
3019        if (bail)
3020                return NULL;
3021
3022        e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3023        if (!e) {
3024                QLA_VHA_MARK_NOT_BUSY(vha);
3025                return NULL;
3026        }
3027
3028        INIT_LIST_HEAD(&e->list);
3029        e->type = type;
3030        e->flags = QLA_EVT_FLAG_FREE;
3031        return e;
3032}
3033
3034static int
3035qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3036{
3037        unsigned long flags;
3038
3039        spin_lock_irqsave(&vha->work_lock, flags);
3040        list_add_tail(&e->list, &vha->work_list);
3041        spin_unlock_irqrestore(&vha->work_lock, flags);
3042        qla2xxx_wake_dpc(vha);
3043
3044        return QLA_SUCCESS;
3045}
3046
3047int
3048qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3049    u32 data)
3050{
3051        struct qla_work_evt *e;
3052
3053        e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3054        if (!e)
3055                return QLA_FUNCTION_FAILED;
3056
3057        e->u.aen.code = code;
3058        e->u.aen.data = data;
3059        return qla2x00_post_work(vha, e);
3060}
3061
3062int
3063qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3064{
3065        struct qla_work_evt *e;
3066
3067        e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3068        if (!e)
3069                return QLA_FUNCTION_FAILED;
3070
3071        memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3072        return qla2x00_post_work(vha, e);
3073}
3074
3075#define qla2x00_post_async_work(name, type)     \
3076int qla2x00_post_async_##name##_work(           \
3077    struct scsi_qla_host *vha,                  \
3078    fc_port_t *fcport, uint16_t *data)          \
3079{                                               \
3080        struct qla_work_evt *e;                 \
3081                                                \
3082        e = qla2x00_alloc_work(vha, type);      \
3083        if (!e)                                 \
3084                return QLA_FUNCTION_FAILED;     \
3085                                                \
3086        e->u.logio.fcport = fcport;             \
3087        if (data) {                             \
3088                e->u.logio.data[0] = data[0];   \
3089                e->u.logio.data[1] = data[1];   \
3090        }                                       \
3091        return qla2x00_post_work(vha, e);       \
3092}
3093
3094qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3095qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3096qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3097qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3098qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3099qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3100
3101int
3102qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3103{
3104        struct qla_work_evt *e;
3105
3106        e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3107        if (!e)
3108                return QLA_FUNCTION_FAILED;
3109
3110        e->u.uevent.code = code;
3111        return qla2x00_post_work(vha, e);
3112}
3113
3114static void
3115qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3116{
3117        char event_string[40];
3118        char *envp[] = { event_string, NULL };
3119
3120        switch (code) {
3121        case QLA_UEVENT_CODE_FW_DUMP:
3122                snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3123                    vha->host_no);
3124                break;
3125        default:
3126                /* do nothing */
3127                break;
3128        }
3129        kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3130}
3131
3132void
3133qla2x00_do_work(struct scsi_qla_host *vha)
3134{
3135        struct qla_work_evt *e, *tmp;
3136        unsigned long flags;
3137        LIST_HEAD(work);
3138
3139        spin_lock_irqsave(&vha->work_lock, flags);
3140        list_splice_init(&vha->work_list, &work);
3141        spin_unlock_irqrestore(&vha->work_lock, flags);
3142
3143        list_for_each_entry_safe(e, tmp, &work, list) {
3144                list_del_init(&e->list);
3145
3146                switch (e->type) {
3147                case QLA_EVT_AEN:
3148                        fc_host_post_event(vha->host, fc_get_event_number(),
3149                            e->u.aen.code, e->u.aen.data);
3150                        break;
3151                case QLA_EVT_IDC_ACK:
3152                        qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3153                        break;
3154                case QLA_EVT_ASYNC_LOGIN:
3155                        qla2x00_async_login(vha, e->u.logio.fcport,
3156                            e->u.logio.data);
3157                        break;
3158                case QLA_EVT_ASYNC_LOGIN_DONE:
3159                        qla2x00_async_login_done(vha, e->u.logio.fcport,
3160                            e->u.logio.data);
3161                        break;
3162                case QLA_EVT_ASYNC_LOGOUT:
3163                        qla2x00_async_logout(vha, e->u.logio.fcport);
3164                        break;
3165                case QLA_EVT_ASYNC_LOGOUT_DONE:
3166                        qla2x00_async_logout_done(vha, e->u.logio.fcport,
3167                            e->u.logio.data);
3168                        break;
3169                case QLA_EVT_ASYNC_ADISC:
3170                        qla2x00_async_adisc(vha, e->u.logio.fcport,
3171                            e->u.logio.data);
3172                        break;
3173                case QLA_EVT_ASYNC_ADISC_DONE:
3174                        qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3175                            e->u.logio.data);
3176                        break;
3177                case QLA_EVT_UEVENT:
3178                        qla2x00_uevent_emit(vha, e->u.uevent.code);
3179                        break;
3180                }
3181                if (e->flags & QLA_EVT_FLAG_FREE)
3182                        kfree(e);
3183
3184                /* For each work completed decrement vha ref count */
3185                QLA_VHA_MARK_NOT_BUSY(vha);
3186        }
3187}
3188
3189/* Relogins all the fcports of a vport
3190 * Context: dpc thread
3191 */
3192void qla2x00_relogin(struct scsi_qla_host *vha)
3193{
3194        fc_port_t       *fcport;
3195        int status;
3196        uint16_t        next_loopid = 0;
3197        struct qla_hw_data *ha = vha->hw;
3198        uint16_t data[2];
3199
3200        list_for_each_entry(fcport, &vha->vp_fcports, list) {
3201        /*
3202         * If the port is not ONLINE then try to login
3203         * to it if we haven't run out of retries.
3204         */
3205                if (atomic_read(&fcport->state) != FCS_ONLINE &&
3206                    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3207                        fcport->login_retry--;
3208                        if (fcport->flags & FCF_FABRIC_DEVICE) {
3209                                if (fcport->flags & FCF_FCP2_DEVICE)
3210                                        ha->isp_ops->fabric_logout(vha,
3211                                                        fcport->loop_id,
3212                                                        fcport->d_id.b.domain,
3213                                                        fcport->d_id.b.area,
3214                                                        fcport->d_id.b.al_pa);
3215
3216                                if (IS_ALOGIO_CAPABLE(ha)) {
3217                                        fcport->flags |= FCF_ASYNC_SENT;
3218                                        data[0] = 0;
3219                                        data[1] = QLA_LOGIO_LOGIN_RETRIED;
3220                                        status = qla2x00_post_async_login_work(
3221                                            vha, fcport, data);
3222                                        if (status == QLA_SUCCESS)
3223                                                continue;
3224                                        /* Attempt a retry. */
3225                                        status = 1;
3226                                } else
3227                                        status = qla2x00_fabric_login(vha,
3228                                            fcport, &next_loopid);
3229                        } else
3230                                status = qla2x00_local_device_login(vha,
3231                                                                fcport);
3232
3233                        if (status == QLA_SUCCESS) {
3234                                fcport->old_loop_id = fcport->loop_id;
3235
3236                                DEBUG(printk("scsi(%ld): port login OK: logged "
3237                                "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3238
3239                                qla2x00_update_fcport(vha, fcport);
3240
3241                        } else if (status == 1) {
3242                                set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3243                                /* retry the login again */
3244                                DEBUG(printk("scsi(%ld): Retrying"
3245                                " %d login again loop_id 0x%x\n",
3246                                vha->host_no, fcport->login_retry,
3247                                                fcport->loop_id));
3248                        } else {
3249                                fcport->login_retry = 0;
3250                        }
3251
3252                        if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3253                                fcport->loop_id = FC_NO_LOOP_ID;
3254                }
3255                if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3256                        break;
3257        }
3258}
3259
3260/**************************************************************************
3261* qla2x00_do_dpc
3262*   This kernel thread is a task that is schedule by the interrupt handler
3263*   to perform the background processing for interrupts.
3264*
3265* Notes:
3266* This task always run in the context of a kernel thread.  It
3267* is kick-off by the driver's detect code and starts up
3268* up one per adapter. It immediately goes to sleep and waits for
3269* some fibre event.  When either the interrupt handler or
3270* the timer routine detects a event it will one of the task
3271* bits then wake us up.
3272**************************************************************************/
3273static int
3274qla2x00_do_dpc(void *data)
3275{
3276        int             rval;
3277        scsi_qla_host_t *base_vha;
3278        struct qla_hw_data *ha;
3279
3280        ha = (struct qla_hw_data *)data;
3281        base_vha = pci_get_drvdata(ha->pdev);
3282
3283        set_user_nice(current, -20);
3284
3285        set_current_state(TASK_INTERRUPTIBLE);
3286        while (!kthread_should_stop()) {
3287                DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3288
3289                schedule();
3290                __set_current_state(TASK_RUNNING);
3291
3292                DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3293
3294                /* Initialization not yet finished. Don't do anything yet. */
3295                if (!base_vha->flags.init_done)
3296                        continue;
3297
3298                if (ha->flags.eeh_busy) {
3299                        DEBUG17(qla_printk(KERN_WARNING, ha,
3300                            "qla2x00_do_dpc: dpc_flags: %lx\n",
3301                            base_vha->dpc_flags));
3302                        continue;
3303                }
3304
3305                DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3306
3307                ha->dpc_active = 1;
3308
3309                if (ha->flags.mbox_busy) {
3310                        ha->dpc_active = 0;
3311                        continue;
3312                }
3313
3314                qla2x00_do_work(base_vha);
3315
3316                if (IS_QLA82XX(ha)) {
3317                        if (test_and_clear_bit(ISP_UNRECOVERABLE,
3318                                &base_vha->dpc_flags)) {
3319                                qla82xx_idc_lock(ha);
3320                                qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3321                                        QLA82XX_DEV_FAILED);
3322                                qla82xx_idc_unlock(ha);
3323                                qla_printk(KERN_INFO, ha,
3324                                        "HW State: FAILED\n");
3325                                qla82xx_device_state_handler(base_vha);
3326                                continue;
3327                        }
3328
3329                        if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3330                                &base_vha->dpc_flags)) {
3331
3332                                DEBUG(printk(KERN_INFO
3333                                        "scsi(%ld): dpc: sched "
3334                                        "qla82xx_fcoe_ctx_reset ha = %p\n",
3335                                        base_vha->host_no, ha));
3336                                if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3337                                        &base_vha->dpc_flags))) {
3338                                        if (qla82xx_fcoe_ctx_reset(base_vha)) {
3339                                                /* FCoE-ctx reset failed.
3340                                                 * Escalate to chip-reset
3341                                                 */
3342                                                set_bit(ISP_ABORT_NEEDED,
3343                                                        &base_vha->dpc_flags);
3344                                        }
3345                                        clear_bit(ABORT_ISP_ACTIVE,
3346                                                &base_vha->dpc_flags);
3347                                }
3348
3349                                DEBUG(printk("scsi(%ld): dpc:"
3350                                        " qla82xx_fcoe_ctx_reset end\n",
3351                                        base_vha->host_no));
3352                        }
3353                }
3354
3355                if (test_and_clear_bit(ISP_ABORT_NEEDED,
3356                                                &base_vha->dpc_flags)) {
3357
3358                        DEBUG(printk("scsi(%ld): dpc: sched "
3359                            "qla2x00_abort_isp ha = %p\n",
3360                            base_vha->host_no, ha));
3361                        if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3362                            &base_vha->dpc_flags))) {
3363
3364                                if (ha->isp_ops->abort_isp(base_vha)) {
3365                                        /* failed. retry later */
3366                                        set_bit(ISP_ABORT_NEEDED,
3367                                            &base_vha->dpc_flags);
3368                                }
3369                                clear_bit(ABORT_ISP_ACTIVE,
3370                                                &base_vha->dpc_flags);
3371                        }
3372
3373                        DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3374                            base_vha->host_no));
3375                }
3376
3377                if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3378                        qla2x00_update_fcports(base_vha);
3379                        clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3380                }
3381
3382                if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3383                        DEBUG(printk(KERN_INFO "scsi(%ld): dpc: sched "
3384                            "qla2x00_quiesce_needed ha = %p\n",
3385                            base_vha->host_no, ha));
3386                        qla82xx_device_state_handler(base_vha);
3387                        clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3388                        if (!ha->flags.quiesce_owner) {
3389                                qla2x00_perform_loop_resync(base_vha);
3390
3391                                qla82xx_idc_lock(ha);
3392                                qla82xx_clear_qsnt_ready(base_vha);
3393                                qla82xx_idc_unlock(ha);
3394                        }
3395                }
3396
3397                if (test_and_clear_bit(RESET_MARKER_NEEDED,
3398                                                        &base_vha->dpc_flags) &&
3399                    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3400
3401                        DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3402                            base_vha->host_no));
3403
3404                        qla2x00_rst_aen(base_vha);
3405                        clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3406                }
3407
3408                /* Retry each device up to login retry count */
3409                if ((test_and_clear_bit(RELOGIN_NEEDED,
3410                                                &base_vha->dpc_flags)) &&
3411                    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3412                    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3413
3414                        DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3415                                        base_vha->host_no));
3416                        qla2x00_relogin(base_vha);
3417
3418                        DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3419                            base_vha->host_no));
3420                }
3421
3422                if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3423                                                        &base_vha->dpc_flags)) {
3424
3425                        DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3426                                base_vha->host_no));
3427
3428                        if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3429                            &base_vha->dpc_flags))) {
3430
3431                                rval = qla2x00_loop_resync(base_vha);
3432
3433                                clear_bit(LOOP_RESYNC_ACTIVE,
3434                                                &base_vha->dpc_flags);
3435                        }
3436
3437                        DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3438                            base_vha->host_no));
3439                }
3440
3441                if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3442                    atomic_read(&base_vha->loop_state) == LOOP_READY) {
3443                        clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3444                        qla2xxx_flash_npiv_conf(base_vha);
3445                }
3446
3447                if (!ha->interrupts_on)
3448                        ha->isp_ops->enable_intrs(ha);
3449
3450                if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3451                                        &base_vha->dpc_flags))
3452                        ha->isp_ops->beacon_blink(base_vha);
3453
3454                qla2x00_do_dpc_all_vps(base_vha);
3455
3456                ha->dpc_active = 0;
3457                set_current_state(TASK_INTERRUPTIBLE);
3458        } /* End of while(1) */
3459        __set_current_state(TASK_RUNNING);
3460
3461        DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3462
3463        /*
3464         * Make sure that nobody tries to wake us up again.
3465         */
3466        ha->dpc_active = 0;
3467
3468        /* Cleanup any residual CTX SRBs. */
3469        qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3470
3471        return 0;
3472}
3473
3474void
3475qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3476{
3477        struct qla_hw_data *ha = vha->hw;
3478        struct task_struct *t = ha->dpc_thread;
3479
3480        if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3481                wake_up_process(t);
3482}
3483
3484/*
3485*  qla2x00_rst_aen
3486*      Processes asynchronous reset.
3487*
3488* Input:
3489*      ha  = adapter block pointer.
3490*/
3491static void
3492qla2x00_rst_aen(scsi_qla_host_t *vha)
3493{
3494        if (vha->flags.online && !vha->flags.reset_active &&
3495            !atomic_read(&vha->loop_down_timer) &&
3496            !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3497                do {
3498                        clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3499
3500                        /*
3501                         * Issue marker command only when we are going to start
3502                         * the I/O.
3503                         */
3504                        vha->marker_needed = 1;
3505                } while (!atomic_read(&vha->loop_down_timer) &&
3506                    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3507        }
3508}
3509
3510static void
3511qla2x00_sp_free_dma(srb_t *sp)
3512{
3513        struct scsi_cmnd *cmd = sp->cmd;
3514        struct qla_hw_data *ha = sp->fcport->vha->hw;
3515
3516        if (sp->flags & SRB_DMA_VALID) {
3517                scsi_dma_unmap(cmd);
3518                sp->flags &= ~SRB_DMA_VALID;
3519        }
3520
3521        if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3522                dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3523                    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3524                sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3525        }
3526
3527        if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3528                /* List assured to be having elements */
3529                qla2x00_clean_dsd_pool(ha, sp);
3530                sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3531        }
3532
3533        if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3534                dma_pool_free(ha->dl_dma_pool, sp->ctx,
3535                    ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3536                sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3537        }
3538
3539        CMD_SP(cmd) = NULL;
3540}
3541
3542static void
3543qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3544{
3545        struct scsi_cmnd *cmd = sp->cmd;
3546
3547        qla2x00_sp_free_dma(sp);
3548
3549        if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3550                struct ct6_dsd *ctx = sp->ctx;
3551                dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3552                        ctx->fcp_cmnd_dma);
3553                list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3554                ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3555                ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3556                mempool_free(sp->ctx, ha->ctx_mempool);
3557                sp->ctx = NULL;
3558        }
3559
3560        mempool_free(sp, ha->srb_mempool);
3561        cmd->scsi_done(cmd);
3562}
3563
3564void
3565qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3566{
3567        if (atomic_read(&sp->ref_count) == 0) {
3568                DEBUG2(qla_printk(KERN_WARNING, ha,
3569                    "SP reference-count to ZERO -- sp=%p\n", sp));
3570                DEBUG2(BUG());
3571                return;
3572        }
3573        if (!atomic_dec_and_test(&sp->ref_count))
3574                return;
3575        qla2x00_sp_final_compl(ha, sp);
3576}
3577
3578/**************************************************************************
3579*   qla2x00_timer
3580*
3581* Description:
3582*   One second timer
3583*
3584* Context: Interrupt
3585***************************************************************************/
3586void
3587qla2x00_timer(scsi_qla_host_t *vha)
3588{
3589        unsigned long   cpu_flags = 0;
3590        int             start_dpc = 0;
3591        int             index;
3592        srb_t           *sp;
3593        uint16_t        w;
3594        struct qla_hw_data *ha = vha->hw;
3595        struct req_que *req;
3596
3597        if (ha->flags.eeh_busy) {
3598                qla2x00_restart_timer(vha, WATCH_INTERVAL);
3599                return;
3600        }
3601
3602        /* Hardware read to raise pending EEH errors during mailbox waits. */
3603        if (!pci_channel_offline(ha->pdev))
3604                pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3605
3606        if (IS_QLA82XX(ha)) {
3607                if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3608                        start_dpc++;
3609                qla82xx_watchdog(vha);
3610        }
3611
3612        /* Loop down handler. */
3613        if (atomic_read(&vha->loop_down_timer) > 0 &&
3614            !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3615                && vha->flags.online) {
3616
3617                if (atomic_read(&vha->loop_down_timer) ==
3618                    vha->loop_down_abort_time) {
3619
3620                        DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3621                            "queues before time expire\n",
3622                            vha->host_no));
3623
3624                        if (!IS_QLA2100(ha) && vha->link_down_timeout)
3625                                atomic_set(&vha->loop_state, LOOP_DEAD);
3626
3627                        /*
3628                         * Schedule an ISP abort to return any FCP2-device
3629                         * commands.
3630                         */
3631                        /* NPIV - scan physical port only */
3632                        if (!vha->vp_idx) {
3633                                spin_lock_irqsave(&ha->hardware_lock,
3634                                    cpu_flags);
3635                                req = ha->req_q_map[0];
3636                                for (index = 1;
3637                                    index < MAX_OUTSTANDING_COMMANDS;
3638                                    index++) {
3639                                        fc_port_t *sfcp;
3640
3641                                        sp = req->outstanding_cmds[index];
3642                                        if (!sp)
3643                                                continue;
3644                                        if (sp->ctx && !IS_PROT_IO(sp))
3645                                                continue;
3646                                        sfcp = sp->fcport;
3647                                        if (!(sfcp->flags & FCF_FCP2_DEVICE))
3648                                                continue;
3649
3650                                        set_bit(ISP_ABORT_NEEDED,
3651                                                        &vha->dpc_flags);
3652                                        break;
3653                                }
3654                                spin_unlock_irqrestore(&ha->hardware_lock,
3655                                                                cpu_flags);
3656                        }
3657                        start_dpc++;
3658                }
3659
3660                /* if the loop has been down for 4 minutes, reinit adapter */
3661                if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3662                        if (!(vha->device_flags & DFLG_NO_CABLE)) {
3663                                DEBUG(printk("scsi(%ld): Loop down - "
3664                                    "aborting ISP.\n",
3665                                    vha->host_no));
3666                                qla_printk(KERN_WARNING, ha,
3667                                    "Loop down - aborting ISP.\n");
3668
3669                                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3670                        }
3671                }
3672                DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3673                    vha->host_no,
3674                    atomic_read(&vha->loop_down_timer)));
3675        }
3676
3677        /* Check if beacon LED needs to be blinked */
3678        if (ha->beacon_blink_led == 1) {
3679                set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3680                start_dpc++;
3681        }
3682
3683        /* Process any deferred work. */
3684        if (!list_empty(&vha->work_list))
3685                start_dpc++;
3686
3687        /* Schedule the DPC routine if needed */
3688        if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3689            test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3690            test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3691            start_dpc ||
3692            test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3693            test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3694            test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3695            test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3696            test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3697            test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3698                qla2xxx_wake_dpc(vha);
3699
3700        qla2x00_restart_timer(vha, WATCH_INTERVAL);
3701}
3702
3703/* Firmware interface routines. */
3704
3705#define FW_BLOBS        8
3706#define FW_ISP21XX      0
3707#define FW_ISP22XX      1
3708#define FW_ISP2300      2
3709#define FW_ISP2322      3
3710#define FW_ISP24XX      4
3711#define FW_ISP25XX      5
3712#define FW_ISP81XX      6
3713#define FW_ISP82XX      7
3714
3715#define FW_FILE_ISP21XX "ql2100_fw.bin"
3716#define FW_FILE_ISP22XX "ql2200_fw.bin"
3717#define FW_FILE_ISP2300 "ql2300_fw.bin"
3718#define FW_FILE_ISP2322 "ql2322_fw.bin"
3719#define FW_FILE_ISP24XX "ql2400_fw.bin"
3720#define FW_FILE_ISP25XX "ql2500_fw.bin"
3721#define FW_FILE_ISP81XX "ql8100_fw.bin"
3722#define FW_FILE_ISP82XX "ql8200_fw.bin"
3723
3724static DEFINE_MUTEX(qla_fw_lock);
3725
3726static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3727        { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3728        { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3729        { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3730        { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3731        { .name = FW_FILE_ISP24XX, },
3732        { .name = FW_FILE_ISP25XX, },
3733        { .name = FW_FILE_ISP81XX, },
3734        { .name = FW_FILE_ISP82XX, },
3735};
3736
3737struct fw_blob *
3738qla2x00_request_firmware(scsi_qla_host_t *vha)
3739{
3740        struct qla_hw_data *ha = vha->hw;
3741        struct fw_blob *blob;
3742
3743        blob = NULL;
3744        if (IS_QLA2100(ha)) {
3745                blob = &qla_fw_blobs[FW_ISP21XX];
3746        } else if (IS_QLA2200(ha)) {
3747                blob = &qla_fw_blobs[FW_ISP22XX];
3748        } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3749                blob = &qla_fw_blobs[FW_ISP2300];
3750        } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3751                blob = &qla_fw_blobs[FW_ISP2322];
3752        } else if (IS_QLA24XX_TYPE(ha)) {
3753                blob = &qla_fw_blobs[FW_ISP24XX];
3754        } else if (IS_QLA25XX(ha)) {
3755                blob = &qla_fw_blobs[FW_ISP25XX];
3756        } else if (IS_QLA81XX(ha)) {
3757                blob = &qla_fw_blobs[FW_ISP81XX];
3758        } else if (IS_QLA82XX(ha)) {
3759                blob = &qla_fw_blobs[FW_ISP82XX];
3760        }
3761
3762        mutex_lock(&qla_fw_lock);
3763        if (blob->fw)
3764                goto out;
3765
3766        if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3767                DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3768                    "(%s).\n", vha->host_no, blob->name));
3769                blob->fw = NULL;
3770                blob = NULL;
3771                goto out;
3772        }
3773
3774out:
3775        mutex_unlock(&qla_fw_lock);
3776        return blob;
3777}
3778
3779static void
3780qla2x00_release_firmware(void)
3781{
3782        int idx;
3783
3784        mutex_lock(&qla_fw_lock);
3785        for (idx = 0; idx < FW_BLOBS; idx++)
3786                if (qla_fw_blobs[idx].fw)
3787                        release_firmware(qla_fw_blobs[idx].fw);
3788        mutex_unlock(&qla_fw_lock);
3789}
3790
3791static pci_ers_result_t
3792qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3793{
3794        scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3795        struct qla_hw_data *ha = vha->hw;
3796
3797        DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3798            state));
3799
3800        switch (state) {
3801        case pci_channel_io_normal:
3802                ha->flags.eeh_busy = 0;
3803                return PCI_ERS_RESULT_CAN_RECOVER;
3804        case pci_channel_io_frozen:
3805                ha->flags.eeh_busy = 1;
3806                /* For ISP82XX complete any pending mailbox cmd */
3807                if (IS_QLA82XX(ha)) {
3808                        ha->flags.fw_hung = 1;
3809                        if (ha->flags.mbox_busy) {
3810                                ha->flags.mbox_int = 1;
3811                                DEBUG2(qla_printk(KERN_ERR, ha,
3812                                        "Due to pci channel io frozen, doing premature "
3813                                        "completion of mbx command\n"));
3814                                complete(&ha->mbx_intr_comp);
3815                        }
3816                }
3817                qla2x00_free_irqs(vha);
3818                pci_disable_device(pdev);
3819                /* Return back all IOs */
3820                qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3821                return PCI_ERS_RESULT_NEED_RESET;
3822        case pci_channel_io_perm_failure:
3823                ha->flags.pci_channel_io_perm_failure = 1;
3824                qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3825                return PCI_ERS_RESULT_DISCONNECT;
3826        }
3827        return PCI_ERS_RESULT_NEED_RESET;
3828}
3829
3830static pci_ers_result_t
3831qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3832{
3833        int risc_paused = 0;
3834        uint32_t stat;
3835        unsigned long flags;
3836        scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3837        struct qla_hw_data *ha = base_vha->hw;
3838        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3839        struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3840
3841        if (IS_QLA82XX(ha))
3842                return PCI_ERS_RESULT_RECOVERED;
3843
3844        spin_lock_irqsave(&ha->hardware_lock, flags);
3845        if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3846                stat = RD_REG_DWORD(&reg->hccr);
3847                if (stat & HCCR_RISC_PAUSE)
3848                        risc_paused = 1;
3849        } else if (IS_QLA23XX(ha)) {
3850                stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3851                if (stat & HSR_RISC_PAUSED)
3852                        risc_paused = 1;
3853        } else if (IS_FWI2_CAPABLE(ha)) {
3854                stat = RD_REG_DWORD(&reg24->host_status);
3855                if (stat & HSRX_RISC_PAUSED)
3856                        risc_paused = 1;
3857        }
3858        spin_unlock_irqrestore(&ha->hardware_lock, flags);
3859
3860        if (risc_paused) {
3861                qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3862                    "Dumping firmware!\n");
3863                ha->isp_ops->fw_dump(base_vha, 0);
3864
3865                return PCI_ERS_RESULT_NEED_RESET;
3866        } else
3867                return PCI_ERS_RESULT_RECOVERED;
3868}
3869
3870uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
3871{
3872        uint32_t rval = QLA_FUNCTION_FAILED;
3873        uint32_t drv_active = 0;
3874        struct qla_hw_data *ha = base_vha->hw;
3875        int fn;
3876        struct pci_dev *other_pdev = NULL;
3877
3878        DEBUG17(qla_printk(KERN_INFO, ha,
3879            "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no));
3880
3881        set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3882
3883        if (base_vha->flags.online) {
3884                /* Abort all outstanding commands,
3885                 * so as to be requeued later */
3886                qla2x00_abort_isp_cleanup(base_vha);
3887        }
3888
3889
3890        fn = PCI_FUNC(ha->pdev->devfn);
3891        while (fn > 0) {
3892                fn--;
3893                DEBUG17(qla_printk(KERN_INFO, ha,
3894                    "Finding pci device at function = 0x%x\n", fn));
3895                other_pdev =
3896                    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
3897                    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
3898                    fn));
3899
3900                if (!other_pdev)
3901                        continue;
3902                if (atomic_read(&other_pdev->enable_cnt)) {
3903                        DEBUG17(qla_printk(KERN_INFO, ha,
3904                            "Found PCI func availabe and enabled at 0x%x\n",
3905                            fn));
3906                        pci_dev_put(other_pdev);
3907                        break;
3908                }
3909                pci_dev_put(other_pdev);
3910        }
3911
3912        if (!fn) {
3913                /* Reset owner */
3914                DEBUG17(qla_printk(KERN_INFO, ha,
3915                    "This devfn is reset owner = 0x%x\n", ha->pdev->devfn));
3916                qla82xx_idc_lock(ha);
3917
3918                qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3919                    QLA82XX_DEV_INITIALIZING);
3920
3921                qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
3922                    QLA82XX_IDC_VERSION);
3923
3924                drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3925                DEBUG17(qla_printk(KERN_INFO, ha,
3926                    "drv_active = 0x%x\n", drv_active));
3927
3928                qla82xx_idc_unlock(ha);
3929                /* Reset if device is not already reset
3930                 * drv_active would be 0 if a reset has already been done
3931                 */
3932                if (drv_active)
3933                        rval = qla82xx_start_firmware(base_vha);
3934                else
3935                        rval = QLA_SUCCESS;
3936                qla82xx_idc_lock(ha);
3937
3938                if (rval != QLA_SUCCESS) {
3939                        qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
3940                        qla82xx_clear_drv_active(ha);
3941                        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3942                            QLA82XX_DEV_FAILED);
3943                } else {
3944                        qla_printk(KERN_INFO, ha, "HW State: READY\n");
3945                        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3946                            QLA82XX_DEV_READY);
3947                        qla82xx_idc_unlock(ha);
3948                        ha->flags.fw_hung = 0;
3949                        rval = qla82xx_restart_isp(base_vha);
3950                        qla82xx_idc_lock(ha);
3951                        /* Clear driver state register */
3952                        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
3953                        qla82xx_set_drv_active(base_vha);
3954                }
3955                qla82xx_idc_unlock(ha);
3956        } else {
3957                DEBUG17(qla_printk(KERN_INFO, ha,
3958                    "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn));
3959                if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
3960                    QLA82XX_DEV_READY)) {
3961                        ha->flags.fw_hung = 0;
3962                        rval = qla82xx_restart_isp(base_vha);
3963                        qla82xx_idc_lock(ha);
3964                        qla82xx_set_drv_active(base_vha);
3965                        qla82xx_idc_unlock(ha);
3966                }
3967        }
3968        clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3969
3970        return rval;
3971}
3972
3973static pci_ers_result_t
3974qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3975{
3976        pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3977        scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3978        struct qla_hw_data *ha = base_vha->hw;
3979        struct rsp_que *rsp;
3980        int rc, retries = 10;
3981
3982        DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3983
3984        /* Workaround: qla2xxx driver which access hardware earlier
3985         * needs error state to be pci_channel_io_online.
3986         * Otherwise mailbox command timesout.
3987         */
3988        pdev->error_state = pci_channel_io_normal;
3989
3990        pci_restore_state(pdev);
3991
3992        /* pci_restore_state() clears the saved_state flag of the device
3993         * save restored state which resets saved_state flag
3994         */
3995        pci_save_state(pdev);
3996
3997        if (ha->mem_only)
3998                rc = pci_enable_device_mem(pdev);
3999        else
4000                rc = pci_enable_device(pdev);
4001
4002        if (rc) {
4003                qla_printk(KERN_WARNING, ha,
4004                    "Can't re-enable PCI device after reset.\n");
4005                goto exit_slot_reset;
4006        }
4007
4008        rsp = ha->rsp_q_map[0];
4009        if (qla2x00_request_irqs(ha, rsp))
4010                goto exit_slot_reset;
4011
4012        if (ha->isp_ops->pci_config(base_vha))
4013                goto exit_slot_reset;
4014
4015        if (IS_QLA82XX(ha)) {
4016                if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4017                        ret = PCI_ERS_RESULT_RECOVERED;
4018                        goto exit_slot_reset;
4019                } else
4020                        goto exit_slot_reset;
4021        }
4022
4023        while (ha->flags.mbox_busy && retries--)
4024                msleep(1000);
4025
4026        set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4027        if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4028                ret =  PCI_ERS_RESULT_RECOVERED;
4029        clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4030
4031
4032exit_slot_reset:
4033        DEBUG17(qla_printk(KERN_WARNING, ha,
4034            "slot_reset-return:ret=%x\n", ret));
4035
4036        return ret;
4037}
4038
4039static void
4040qla2xxx_pci_resume(struct pci_dev *pdev)
4041{
4042        scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4043        struct qla_hw_data *ha = base_vha->hw;
4044        int ret;
4045
4046        DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
4047
4048        ret = qla2x00_wait_for_hba_online(base_vha);
4049        if (ret != QLA_SUCCESS) {
4050                qla_printk(KERN_ERR, ha,
4051                    "the device failed to resume I/O "
4052                    "from slot/link_reset");
4053        }
4054
4055        pci_cleanup_aer_uncorrect_error_status(pdev);
4056
4057        ha->flags.eeh_busy = 0;
4058}
4059
4060static struct pci_error_handlers qla2xxx_err_handler = {
4061        .error_detected = qla2xxx_pci_error_detected,
4062        .mmio_enabled = qla2xxx_pci_mmio_enabled,
4063        .slot_reset = qla2xxx_pci_slot_reset,
4064        .resume = qla2xxx_pci_resume,
4065};
4066
4067static struct pci_device_id qla2xxx_pci_tbl[] = {
4068        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4069        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4070        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4071        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4072        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4073        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4074        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4075        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4076        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4077        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4078        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4079        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4080        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4081        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4082        { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4083        { 0 },
4084};
4085MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4086
4087static struct pci_driver qla2xxx_pci_driver = {
4088        .name           = QLA2XXX_DRIVER_NAME,
4089        .driver         = {
4090                .owner          = THIS_MODULE,
4091        },
4092        .id_table       = qla2xxx_pci_tbl,
4093        .probe          = qla2x00_probe_one,
4094        .remove         = qla2x00_remove_one,
4095        .shutdown       = qla2x00_shutdown,
4096        .err_handler    = &qla2xxx_err_handler,
4097};
4098
4099static struct file_operations apidev_fops = {
4100        .owner = THIS_MODULE,
4101        .llseek = noop_llseek,
4102};
4103
4104/**
4105 * qla2x00_module_init - Module initialization.
4106 **/
4107static int __init
4108qla2x00_module_init(void)
4109{
4110        int ret = 0;
4111
4112        /* Allocate cache for SRBs. */
4113        srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4114            SLAB_HWCACHE_ALIGN, NULL);
4115        if (srb_cachep == NULL) {
4116                printk(KERN_ERR
4117                    "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
4118                return -ENOMEM;
4119        }
4120
4121        /* Derive version string. */
4122        strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4123        if (ql2xextended_error_logging)
4124                strcat(qla2x00_version_str, "-debug");
4125
4126        qla2xxx_transport_template =
4127            fc_attach_transport(&qla2xxx_transport_functions);
4128        if (!qla2xxx_transport_template) {
4129                kmem_cache_destroy(srb_cachep);
4130                return -ENODEV;
4131        }
4132
4133        apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4134        if (apidev_major < 0) {
4135                printk(KERN_WARNING "qla2xxx: Unable to register char device "
4136                    "%s\n", QLA2XXX_APIDEV);
4137        }
4138
4139        qla2xxx_transport_vport_template =
4140            fc_attach_transport(&qla2xxx_transport_vport_functions);
4141        if (!qla2xxx_transport_vport_template) {
4142                kmem_cache_destroy(srb_cachep);
4143                fc_release_transport(qla2xxx_transport_template);
4144                return -ENODEV;
4145        }
4146
4147        printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
4148            qla2x00_version_str);
4149        ret = pci_register_driver(&qla2xxx_pci_driver);
4150        if (ret) {
4151                kmem_cache_destroy(srb_cachep);
4152                fc_release_transport(qla2xxx_transport_template);
4153                fc_release_transport(qla2xxx_transport_vport_template);
4154        }
4155        return ret;
4156}
4157
4158/**
4159 * qla2x00_module_exit - Module cleanup.
4160 **/
4161static void __exit
4162qla2x00_module_exit(void)
4163{
4164        unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4165        pci_unregister_driver(&qla2xxx_pci_driver);
4166        qla2x00_release_firmware();
4167        kmem_cache_destroy(srb_cachep);
4168        if (ctx_cachep)
4169                kmem_cache_destroy(ctx_cachep);
4170        fc_release_transport(qla2xxx_transport_template);
4171        fc_release_transport(qla2xxx_transport_vport_template);
4172}
4173
4174module_init(qla2x00_module_init);
4175module_exit(qla2x00_module_exit);
4176
4177MODULE_AUTHOR("QLogic Corporation");
4178MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4179MODULE_LICENSE("GPL");
4180MODULE_VERSION(QLA2XXX_VERSION);
4181MODULE_FIRMWARE(FW_FILE_ISP21XX);
4182MODULE_FIRMWARE(FW_FILE_ISP22XX);
4183MODULE_FIRMWARE(FW_FILE_ISP2300);
4184MODULE_FIRMWARE(FW_FILE_ISP2322);
4185MODULE_FIRMWARE(FW_FILE_ISP24XX);
4186MODULE_FIRMWARE(FW_FILE_ISP25XX);
4187