drivers/scsi/qla2xxx/qla_bsg.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/kthread.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12
  13 /* BSG support for ELS/CT pass through */
  14 inline srb_t *
  15 qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
  16 {
  17         srb_t *sp;
  18         struct qla_hw_data *ha = vha->hw;
  19         struct srb_ctx *ctx;
  20
  21         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  22         if (!sp)
  23                 goto done;
  24         ctx = kzalloc(size, GFP_KERNEL);
  25         if (!ctx) {
  26                 mempool_free(sp, ha->srb_mempool);
  27                 sp = NULL;
  28                 goto done;
  29         }
  30
  31         memset(sp, 0, sizeof(*sp));
  32         sp->fcport = fcport;
  33         sp->ctx = ctx;
  34 done:
  35         return sp;
  36 }
  37
  38 int
  39 qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
  40 {
  41         int i, ret, num_valid;
  42         uint8_t *bcode;
  43         struct qla_fcp_prio_entry *pri_entry;
  44
  45         ret = 1;
  46         num_valid = 0;
  47         bcode = (uint8_t *)pri_cfg;
  48
  49         if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' ||
  50                         bcode[0x3] != 'S') {
  51                 return 0;
  52         }
  53         if (flag != 1)
  54                 return ret;
  55
  56         pri_entry = &pri_cfg->entry[0];
  57         for (i = 0; i < pri_cfg->num_entries; i++) {
  58                 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
  59                         num_valid++;
  60                 pri_entry++;
  61         }
  62
  63         if (num_valid == 0)
  64                 ret = 0;
  65
  66         return ret;
  67 }
  68
  69 static int
  70 qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
  71 {
  72         struct Scsi_Host *host = bsg_job->shost;
  73         scsi_qla_host_t *vha = shost_priv(host);
  74         struct qla_hw_data *ha = vha->hw;
  75         int ret = 0;
  76         uint32_t len;
  77         uint32_t oper;
  78
  79         bsg_job->reply->reply_payload_rcv_len = 0;
  80
  81         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
  82                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
  83                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
  84                 ret = -EBUSY;
  85                 goto exit_fcp_prio_cfg;
  86         }
  87
  88         /* Get the sub command */
  89         oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
  90
  91         /* Only set config is allowed if config memory is not allocated */
  92         if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
  93                 ret = -EINVAL;
  94                 goto exit_fcp_prio_cfg;
  95         }
  96         switch (oper) {
  97         case QLFC_FCP_PRIO_DISABLE:
  98                 if (ha->flags.fcp_prio_enabled) {
  99                         ha->flags.fcp_prio_enabled = 0;
 100                         ha->fcp_prio_cfg->attributes &=
 101                                 ~FCP_PRIO_ATTR_ENABLE;
 102                         qla24xx_update_all_fcp_prio(vha);
 103                         bsg_job->reply->result = DID_OK;
 104                 } else {
 105                         ret = -EINVAL;
 106                         bsg_job->reply->result = (DID_ERROR << 16);
 107                         goto exit_fcp_prio_cfg;
 108                 }
 109                 break;
 110
 111         case QLFC_FCP_PRIO_ENABLE:
 112                 if (!ha->flags.fcp_prio_enabled) {
 113                         if (ha->fcp_prio_cfg) {
 114                                 ha->flags.fcp_prio_enabled = 1;
 115                                 ha->fcp_prio_cfg->attributes |=
 116                                     FCP_PRIO_ATTR_ENABLE;
 117                                 qla24xx_update_all_fcp_prio(vha);
 118                                 bsg_job->reply->result = DID_OK;
 119                         } else {
 120                                 ret = -EINVAL;
 121                                 bsg_job->reply->result = (DID_ERROR << 16);
 122                                 goto exit_fcp_prio_cfg;
 123                         }
 124                 }
 125                 break;
 126
 127         case QLFC_FCP_PRIO_GET_CONFIG:
 128                 len = bsg_job->reply_payload.payload_len;
 129                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 130                         ret = -EINVAL;
 131                         bsg_job->reply->result = (DID_ERROR << 16);
 132                         goto exit_fcp_prio_cfg;
 133                 }
 134
 135                 bsg_job->reply->result = DID_OK;
 136                 bsg_job->reply->reply_payload_rcv_len =
 137                         sg_copy_from_buffer(
 138                         bsg_job->reply_payload.sg_list,
 139                         bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
 140                         len);
 141
 142                 break;
 143
 144         case QLFC_FCP_PRIO_SET_CONFIG:
 145                 len = bsg_job->request_payload.payload_len;
 146                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 147                         bsg_job->reply->result = (DID_ERROR << 16);
 148                         ret = -EINVAL;
 149                         goto exit_fcp_prio_cfg;
 150                 }
 151
 152                 if (!ha->fcp_prio_cfg) {
 153                         ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
 154                         if (!ha->fcp_prio_cfg) {
 155                                 qla_printk(KERN_WARNING, ha,
 156                                         "Unable to allocate memory "
 157                                         "for fcp prio config data (%x).\n",
 158                                         FCP_PRIO_CFG_SIZE);
 159                                 bsg_job->reply->result = (DID_ERROR << 16);
 160                                 ret = -ENOMEM;
 161                                 goto exit_fcp_prio_cfg;
 162                         }
 163                 }
 164
 165                 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
 166                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 167                 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
 168                         FCP_PRIO_CFG_SIZE);
 169
 170                 /* validate fcp priority data */
 171                 if (!qla24xx_fcp_prio_cfg_valid(
 172                         (struct qla_fcp_prio_cfg *)
 173                         ha->fcp_prio_cfg, 1)) {
 174                         bsg_job->reply->result = (DID_ERROR << 16);
 175                         ret = -EINVAL;
 176                         /* If buffer was invalidatic int
 177                          * fcp_prio_cfg is of no use
 178                          */
 179                         vfree(ha->fcp_prio_cfg);
 180                         ha->fcp_prio_cfg = NULL;
 181                         goto exit_fcp_prio_cfg;
 182                 }
 183
 184                 ha->flags.fcp_prio_enabled = 0;
 185                 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
 186                         ha->flags.fcp_prio_enabled = 1;
 187                 qla24xx_update_all_fcp_prio(vha);
 188                 bsg_job->reply->result = DID_OK;
 189                 break;
 190         default:
 191                 ret = -EINVAL;
 192                 break;
 193         }
 194 exit_fcp_prio_cfg:
 195         bsg_job->job_done(bsg_job);
 196         return ret;
 197 }
 198 static int
 199 qla2x00_process_els(struct fc_bsg_job *bsg_job)
 200 {
 201         struct fc_rport *rport;
 202         fc_port_t *fcport;
 203         struct Scsi_Host *host;
 204         scsi_qla_host_t *vha;
 205         struct qla_hw_data *ha;
 206         srb_t *sp;
 207         const char *type;
 208         int req_sg_cnt, rsp_sg_cnt;
 209         int rval =  (DRIVER_ERROR << 16);
 210         uint16_t nextlid = 0;
 211         struct srb_ctx *els;
 212
 213         /*  Multiple SG's are not supported for ELS requests */
 214         if (bsg_job->request_payload.sg_cnt > 1 ||
 215                 bsg_job->reply_payload.sg_cnt > 1) {
 216                 DEBUG2(printk(KERN_INFO
 217                         "multiple SG's are not supported for ELS requests"
 218                         " [request_sg_cnt: %x reply_sg_cnt: %x]\n",
 219                         bsg_job->request_payload.sg_cnt,
 220                         bsg_job->reply_payload.sg_cnt));
 221                 rval = -EPERM;
 222                 goto done;
 223         }
 224
 225         /* ELS request for rport */
 226         if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
 227                 rport = bsg_job->rport;
 228                 fcport = *(fc_port_t **) rport->dd_data;
 229                 host = rport_to_shost(rport);
 230                 vha = shost_priv(host);
 231                 ha = vha->hw;
 232                 type = "FC_BSG_RPT_ELS";
 233
 234                 /* make sure the rport is logged in,
 235                  * if not perform fabric login
 236                  */
 237                 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
 238                         DEBUG2(qla_printk(KERN_WARNING, ha,
 239                         "failed to login port %06X for ELS passthru\n",
 240                         fcport->d_id.b24));
 241                         rval = -EIO;
 242                         goto done;
 243                 }
 244         } else {
 245                 host = bsg_job->shost;
 246                 vha = shost_priv(host);
 247                 ha = vha->hw;
 248                 type = "FC_BSG_HST_ELS_NOLOGIN";
 249
 250                 /* Allocate a dummy fcport structure, since functions
 251                  * preparing the IOCB and mailbox command retrieves port
 252                  * specific information from fcport structure. For Host based
 253                  * ELS commands there will be no fcport structure allocated
 254                  */
 255                 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 256                 if (!fcport) {
 257                         rval = -ENOMEM;
 258                         goto done;
 259                 }
 260
 261                 /* Initialize all required  fields of fcport */
 262                 fcport->vha = vha;
 263                 fcport->vp_idx = vha->vp_idx;
 264                 fcport->d_id.b.al_pa =
 265                         bsg_job->request->rqst_data.h_els.port_id[0];
 266                 fcport->d_id.b.area =
 267                         bsg_job->request->rqst_data.h_els.port_id[1];
 268                 fcport->d_id.b.domain =
 269                         bsg_job->request->rqst_data.h_els.port_id[2];
 270                 fcport->loop_id =
 271                         (fcport->d_id.b.al_pa == 0xFD) ?
 272                         NPH_FABRIC_CONTROLLER : NPH_F_PORT;
 273         }
 274
 275         if (!vha->flags.online) {
 276                 DEBUG2(qla_printk(KERN_WARNING, ha,
 277                 "host not online\n"));
 278                 rval = -EIO;
 279                 goto done;
 280         }
 281
 282         req_sg_cnt =
 283                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 284                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 285         if (!req_sg_cnt) {
 286                 rval = -ENOMEM;
 287                 goto done_free_fcport;
 288         }
 289
 290         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 291                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 292         if (!rsp_sg_cnt) {
 293                 rval = -ENOMEM;
 294                 goto done_free_fcport;
 295         }
 296
 297         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 298                 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 299                 DEBUG2(printk(KERN_INFO
 300                         "dma mapping resulted in different sg counts \
 301                         [request_sg_cnt: %x dma_request_sg_cnt: %x\
 302                         reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
 303                         bsg_job->request_payload.sg_cnt, req_sg_cnt,
 304                         bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
 305                 rval = -EAGAIN;
 306                 goto done_unmap_sg;
 307         }
 308
 309         /* Alloc SRB structure */
 310         sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
 311         if (!sp) {
 312                 rval = -ENOMEM;
 313                 goto done_unmap_sg;
 314         }
 315
 316         els = sp->ctx;
 317         els->type =
 318                 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
 319                 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
 320         els->name =
 321                 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
 322                 "bsg_els_rpt" : "bsg_els_hst");
 323         els->u.bsg_job = bsg_job;
 324
 325         DEBUG2(qla_printk(KERN_INFO, ha,
 326                 "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
 327                 "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
 328                 bsg_job->request->rqst_data.h_els.command_code,
 329                 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 330                 fcport->d_id.b.al_pa));
 331
 332         rval = qla2x00_start_sp(sp);
 333         if (rval != QLA_SUCCESS) {
 334                 kfree(sp->ctx);
 335                 mempool_free(sp, ha->srb_mempool);
 336                 rval = -EIO;
 337                 goto done_unmap_sg;
 338         }
 339         return rval;
 340
 341 done_unmap_sg:
 342         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 343                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 344         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 345                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 346         goto done_free_fcport;
 347
 348 done_free_fcport:
 349         if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
 350                 kfree(fcport);
 351 done:
 352         return rval;
 353 }
 354
 355 static int
 356 qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 357 {
 358         srb_t *sp;
 359         struct Scsi_Host *host = bsg_job->shost;
 360         scsi_qla_host_t *vha = shost_priv(host);
 361         struct qla_hw_data *ha = vha->hw;
 362         int rval = (DRIVER_ERROR << 16);
 363         int req_sg_cnt, rsp_sg_cnt;
 364         uint16_t loop_id;
 365         struct fc_port *fcport;
 366         char  *type = "FC_BSG_HST_CT";
 367         struct srb_ctx *ct;
 368
 369         /* pass through is supported only for ISP 4Gb or higher */
 370         if (!IS_FWI2_CAPABLE(ha)) {
 371                 DEBUG2(qla_printk(KERN_INFO, ha,
 372                     "scsi(%ld):Firmware is not capable to support FC "
 373                     "CT pass thru\n", vha->host_no));
 374                 rval = -EPERM;
 375                 goto done;
 376         }
 377
 378         req_sg_cnt =
 379                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 380                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 381         if (!req_sg_cnt) {
 382                 rval = -ENOMEM;
 383                 goto done;
 384         }
 385
 386         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 387                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 388         if (!rsp_sg_cnt) {
 389                 rval = -ENOMEM;
 390                 goto done;
 391         }
 392
 393         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 394             (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 395                 DEBUG2(qla_printk(KERN_WARNING, ha,
 396                     "[request_sg_cnt: %x dma_request_sg_cnt: %x\
 397                     reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
 398                     bsg_job->request_payload.sg_cnt, req_sg_cnt,
 399                     bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
 400                 rval = -EAGAIN;
 401                 goto done_unmap_sg;
 402         }
 403
 404         if (!vha->flags.online) {
 405                 DEBUG2(qla_printk(KERN_WARNING, ha,
 406                         "host not online\n"));
 407                 rval = -EIO;
 408                 goto done_unmap_sg;
 409         }
 410
 411         loop_id =
 412                 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
 413                         >> 24;
 414         switch (loop_id) {
 415         case 0xFC:
 416                 loop_id = cpu_to_le16(NPH_SNS);
 417                 break;
 418         case 0xFA:
 419                 loop_id = vha->mgmt_svr_loop_id;
 420                 break;
 421         default:
 422                 DEBUG2(qla_printk(KERN_INFO, ha,
 423                     "Unknown loop id: %x\n", loop_id));
 424                 rval = -EINVAL;
 425                 goto done_unmap_sg;
 426         }
 427
 428         /* Allocate a dummy fcport structure, since functions preparing the
 429          * IOCB and mailbox command retrieves port specific information
 430          * from fcport structure. For Host based ELS commands there will be
 431          * no fcport structure allocated
 432          */
 433         fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 434         if (!fcport) {
 435                 rval = -ENOMEM;
 436                 goto done_unmap_sg;
 437         }
 438
 439         /* Initialize all required  fields of fcport */
 440         fcport->vha = vha;
 441         fcport->vp_idx = vha->vp_idx;
 442         fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
 443         fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
 444         fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
 445         fcport->loop_id = loop_id;
 446
 447         /* Alloc SRB structure */
 448         sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
 449         if (!sp) {
 450                 rval = -ENOMEM;
 451                 goto done_free_fcport;
 452         }
 453
 454         ct = sp->ctx;
 455         ct->type = SRB_CT_CMD;
 456         ct->name = "bsg_ct";
 457         ct->u.bsg_job = bsg_job;
 458
 459         DEBUG2(qla_printk(KERN_INFO, ha,
 460                 "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
 461                 "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
 462                 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
 463                 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 464                 fcport->d_id.b.al_pa));
 465
 466         rval = qla2x00_start_sp(sp);
 467         if (rval != QLA_SUCCESS) {
 468                 kfree(sp->ctx);
 469                 mempool_free(sp, ha->srb_mempool);
 470                 rval = -EIO;
 471                 goto done_free_fcport;
 472         }
 473         return rval;
 474
 475 done_free_fcport:
 476         kfree(fcport);
 477 done_unmap_sg:
 478         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 479                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 480         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 481                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 482 done:
 483         return rval;
 484 }
 485
 486 static int
 487 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 488 {
 489         struct Scsi_Host *host = bsg_job->shost;
 490         scsi_qla_host_t *vha = shost_priv(host);
 491         struct qla_hw_data *ha = vha->hw;
 492         int rval;
 493         uint8_t command_sent;
 494         char *type;
 495         struct msg_echo_lb elreq;
 496         uint16_t response[MAILBOX_REGISTER_COUNT];
 497         uint8_t *fw_sts_ptr;
 498         uint8_t *req_data = NULL;
 499         dma_addr_t req_data_dma;
 500         uint32_t req_data_len;
 501         uint8_t *rsp_data = NULL;
 502         dma_addr_t rsp_data_dma;
 503         uint32_t rsp_data_len;
 504
 505         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 506                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 507                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
 508                 return -EBUSY;
 509
 510         if (!vha->flags.online) {
 511                 DEBUG2(qla_printk(KERN_WARNING, ha, "host not online\n"));
 512                 return -EIO;
 513         }
 514
 515         elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
 516                 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
 517                 DMA_TO_DEVICE);
 518
 519         if (!elreq.req_sg_cnt)
 520                 return -ENOMEM;
 521
 522         elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
 523                 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
 524                 DMA_FROM_DEVICE);
 525
 526         if (!elreq.rsp_sg_cnt) {
 527                 rval = -ENOMEM;
 528                 goto done_unmap_req_sg;
 529         }
 530
 531         if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 532                 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 533                 DEBUG2(printk(KERN_INFO
 534                         "dma mapping resulted in different sg counts "
 535                         "[request_sg_cnt: %x dma_request_sg_cnt: %x "
 536                         "reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
 537                         bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
 538                         bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
 539                 rval = -EAGAIN;
 540                 goto done_unmap_sg;
 541         }
 542         req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
 543         req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
 544                 &req_data_dma, GFP_KERNEL);
 545         if (!req_data) {
 546                 DEBUG2(printk(KERN_ERR "%s: dma alloc for req_data "
 547                         "failed for host=%lu\n", __func__, vha->host_no));
 548                 rval = -ENOMEM;
 549                 goto done_unmap_sg;
 550         }
 551
 552         rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
 553                 &rsp_data_dma, GFP_KERNEL);
 554         if (!rsp_data) {
 555                 DEBUG2(printk(KERN_ERR "%s: dma alloc for rsp_data "
 556                         "failed for host=%lu\n", __func__, vha->host_no));
 557                 rval = -ENOMEM;
 558                 goto done_free_dma_req;
 559         }
 560
 561         /* Copy the request buffer in req_data now */
 562         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 563                 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
 564
 565         elreq.send_dma = req_data_dma;
 566         elreq.rcv_dma = rsp_data_dma;
 567         elreq.transfer_size = req_data_len;
 568
 569         elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
 570
 571         if (ha->current_topology != ISP_CFG_F) {
 572                 type = "FC_BSG_HST_VENDOR_LOOPBACK";
 573                 DEBUG2(qla_printk(KERN_INFO, ha,
 574                         "scsi(%ld) bsg rqst type: %s\n",
 575                         vha->host_no, type));
 576
 577                 command_sent = INT_DEF_LB_LOOPBACK_CMD;
 578                 rval = qla2x00_loopback_test(vha, &elreq, response);
 579                 if (IS_QLA81XX(ha)) {
 580                         if (response[0] == MBS_COMMAND_ERROR &&
 581                                 response[1] == MBS_LB_RESET) {
 582                                 DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
 583                                 "ISP\n", __func__, vha->host_no));
 584                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 585                                 qla2xxx_wake_dpc(vha);
 586                         }
 587                 }
 588         } else {
 589                 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
 590                 DEBUG2(qla_printk(KERN_INFO, ha,
 591                     "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type));
 592                 command_sent = INT_DEF_LB_ECHO_CMD;
 593                 rval = qla2x00_echo_test(vha, &elreq, response);
 594         }
 595
 596         if (rval) {
 597                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 598                     "request %s failed\n", vha->host_no, type));
 599
 600                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
 601                     sizeof(struct fc_bsg_reply);
 602
 603                 memcpy(fw_sts_ptr, response, sizeof(response));
 604                 fw_sts_ptr += sizeof(response);
 605                 *fw_sts_ptr = command_sent;
 606                 rval = 0;
 607                 bsg_job->reply->reply_payload_rcv_len = 0;
 608                 bsg_job->reply->result = (DID_ERROR << 16);
 609         } else {
 610                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 611                         "request %s completed\n", vha->host_no, type));
 612
 613                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
 614                         sizeof(response) + sizeof(uint8_t);
 615                 bsg_job->reply->reply_payload_rcv_len =
 616                         bsg_job->reply_payload.payload_len;
 617                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
 618                         sizeof(struct fc_bsg_reply);
 619                 memcpy(fw_sts_ptr, response, sizeof(response));
 620                 fw_sts_ptr += sizeof(response);
 621                 *fw_sts_ptr = command_sent;
 622                 bsg_job->reply->result = DID_OK;
 623                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 624                         bsg_job->reply_payload.sg_cnt, rsp_data,
 625                         rsp_data_len);
 626         }
 627         bsg_job->job_done(bsg_job);
 628
 629         dma_free_coherent(&ha->pdev->dev, rsp_data_len,
 630                 rsp_data, rsp_data_dma);
 631 done_free_dma_req:
 632         dma_free_coherent(&ha->pdev->dev, req_data_len,
 633                 req_data, req_data_dma);
 634 done_unmap_sg:
 635         dma_unmap_sg(&ha->pdev->dev,
 636             bsg_job->reply_payload.sg_list,
 637             bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 638 done_unmap_req_sg:
 639         dma_unmap_sg(&ha->pdev->dev,
 640             bsg_job->request_payload.sg_list,
 641             bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 642         return rval;
 643 }
 644
 645 static int
 646 qla84xx_reset(struct fc_bsg_job *bsg_job)
 647 {
 648         struct Scsi_Host *host = bsg_job->shost;
 649         scsi_qla_host_t *vha = shost_priv(host);
 650         struct qla_hw_data *ha = vha->hw;
 651         int rval = 0;
 652         uint32_t flag;
 653
 654         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 655             test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 656             test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
 657                 return -EBUSY;
 658
 659         if (!IS_QLA84XX(ha)) {
 660                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
 661                    "exiting.\n", vha->host_no));
 662                 return -EINVAL;
 663         }
 664
 665         flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
 666
 667         rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
 668
 669         if (rval) {
 670                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 671                     "request 84xx reset failed\n", vha->host_no));
 672                 rval = bsg_job->reply->reply_payload_rcv_len = 0;
 673                 bsg_job->reply->result = (DID_ERROR << 16);
 674
 675         } else {
 676                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 677                     "request 84xx reset completed\n", vha->host_no));
 678                 bsg_job->reply->result = DID_OK;
 679         }
 680
 681         bsg_job->job_done(bsg_job);
 682         return rval;
 683 }
 684
 685 static int
 686 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
 687 {
 688         struct Scsi_Host *host = bsg_job->shost;
 689         scsi_qla_host_t *vha = shost_priv(host);
 690         struct qla_hw_data *ha = vha->hw;
 691         struct verify_chip_entry_84xx *mn = NULL;
 692         dma_addr_t mn_dma, fw_dma;
 693         void *fw_buf = NULL;
 694         int rval = 0;
 695         uint32_t sg_cnt;
 696         uint32_t data_len;
 697         uint16_t options;
 698         uint32_t flag;
 699         uint32_t fw_ver;
 700
 701         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 702                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 703                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
 704                 return -EBUSY;
 705
 706         if (!IS_QLA84XX(ha)) {
 707                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
 708                         "exiting.\n", vha->host_no));
 709                 return -EINVAL;
 710         }
 711
 712         sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 713                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 714         if (!sg_cnt)
 715                 return -ENOMEM;
 716
 717         if (sg_cnt != bsg_job->request_payload.sg_cnt) {
 718                 DEBUG2(printk(KERN_INFO
 719                         "dma mapping resulted in different sg counts "
 720                         "request_sg_cnt: %x dma_request_sg_cnt: %x ",
 721                         bsg_job->request_payload.sg_cnt, sg_cnt));
 722                 rval = -EAGAIN;
 723                 goto done_unmap_sg;
 724         }
 725
 726         data_len = bsg_job->request_payload.payload_len;
 727         fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
 728                 &fw_dma, GFP_KERNEL);
 729         if (!fw_buf) {
 730                 DEBUG2(printk(KERN_ERR "%s: dma alloc for fw_buf "
 731                         "failed for host=%lu\n", __func__, vha->host_no));
 732                 rval = -ENOMEM;
 733                 goto done_unmap_sg;
 734         }
 735
 736         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 737                 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
 738
 739         mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
 740         if (!mn) {
 741                 DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
 742                         "failed for host=%lu\n", __func__, vha->host_no));
 743                 rval = -ENOMEM;
 744                 goto done_free_fw_buf;
 745         }
 746
 747         flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
 748         fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
 749
 750         memset(mn, 0, sizeof(struct access_chip_84xx));
 751         mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
 752         mn->entry_count = 1;
 753
 754         options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
 755         if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
 756                 options |= VCO_DIAG_FW;
 757
 758         mn->options = cpu_to_le16(options);
 759         mn->fw_ver =  cpu_to_le32(fw_ver);
 760         mn->fw_size =  cpu_to_le32(data_len);
 761         mn->fw_seq_size =  cpu_to_le32(data_len);
 762         mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
 763         mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
 764         mn->dseg_length = cpu_to_le32(data_len);
 765         mn->data_seg_cnt = cpu_to_le16(1);
 766
 767         rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
 768
 769         if (rval) {
 770                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 771                         "request 84xx updatefw failed\n", vha->host_no));
 772
 773                 rval = bsg_job->reply->reply_payload_rcv_len = 0;
 774                 bsg_job->reply->result = (DID_ERROR << 16);
 775
 776         } else {
 777                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 778                         "request 84xx updatefw completed\n", vha->host_no));
 779
 780                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 781                 bsg_job->reply->result = DID_OK;
 782         }
 783
 784         bsg_job->job_done(bsg_job);
 785         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
 786
 787 done_free_fw_buf:
 788         dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
 789
 790 done_unmap_sg:
 791         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 792                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 793
 794         return rval;
 795 }
 796
 797 static int
 798 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
 799 {
 800         struct Scsi_Host *host = bsg_job->shost;
 801         scsi_qla_host_t *vha = shost_priv(host);
 802         struct qla_hw_data *ha = vha->hw;
 803         struct access_chip_84xx *mn = NULL;
 804         dma_addr_t mn_dma, mgmt_dma;
 805         void *mgmt_b = NULL;
 806         int rval = 0;
 807         struct qla_bsg_a84_mgmt *ql84_mgmt;
 808         uint32_t sg_cnt;
 809         uint32_t data_len = 0;
 810         uint32_t dma_direction = DMA_NONE;
 811
 812         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 813                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 814                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
 815                 return -EBUSY;
 816
 817         if (!IS_QLA84XX(ha)) {
 818                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
 819                         "exiting.\n", vha->host_no));
 820                 return -EINVAL;
 821         }
 822
 823         ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
 824                 sizeof(struct fc_bsg_request));
 825         if (!ql84_mgmt) {
 826                 DEBUG2(printk("%s(%ld): mgmt header not provided, exiting.\n",
 827                         __func__, vha->host_no));
 828                 return -EINVAL;
 829         }
 830
 831         mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
 832         if (!mn) {
 833                 DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
 834                         "failed for host=%lu\n", __func__, vha->host_no));
 835                 return -ENOMEM;
 836         }
 837
 838         memset(mn, 0, sizeof(struct access_chip_84xx));
 839         mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
 840         mn->entry_count = 1;
 841
 842         switch (ql84_mgmt->mgmt.cmd) {
 843         case QLA84_MGMT_READ_MEM:
 844         case QLA84_MGMT_GET_INFO:
 845                 sg_cnt = dma_map_sg(&ha->pdev->dev,
 846                         bsg_job->reply_payload.sg_list,
 847                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 848                 if (!sg_cnt) {
 849                         rval = -ENOMEM;
 850                         goto exit_mgmt;
 851                 }
 852
 853                 dma_direction = DMA_FROM_DEVICE;
 854
 855                 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
 856                         DEBUG2(printk(KERN_INFO
 857                                 "dma mapping resulted in different sg counts "
 858                                 "reply_sg_cnt: %x dma_reply_sg_cnt: %x\n",
 859                                 bsg_job->reply_payload.sg_cnt, sg_cnt));
 860                         rval = -EAGAIN;
 861                         goto done_unmap_sg;
 862                 }
 863
 864                 data_len = bsg_job->reply_payload.payload_len;
 865
 866                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
 867                     &mgmt_dma, GFP_KERNEL);
 868                 if (!mgmt_b) {
 869                         DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
 870                                 "failed for host=%lu\n",
 871                                 __func__, vha->host_no));
 872                         rval = -ENOMEM;
 873                         goto done_unmap_sg;
 874                 }
 875
 876                 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
 877                         mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
 878                         mn->parameter1 =
 879                                 cpu_to_le32(
 880                                 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
 881
 882                 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
 883                         mn->options = cpu_to_le16(ACO_REQUEST_INFO);
 884                         mn->parameter1 =
 885                                 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
 886
 887                         mn->parameter2 =
 888                                 cpu_to_le32(
 889                                 ql84_mgmt->mgmt.mgmtp.u.info.context);
 890                 }
 891                 break;
 892
 893         case QLA84_MGMT_WRITE_MEM:
 894                 sg_cnt = dma_map_sg(&ha->pdev->dev,
 895                         bsg_job->request_payload.sg_list,
 896                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 897
 898                 if (!sg_cnt) {
 899                         rval = -ENOMEM;
 900                         goto exit_mgmt;
 901                 }
 902
 903                 dma_direction = DMA_TO_DEVICE;
 904
 905                 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
 906                         DEBUG2(printk(KERN_INFO
 907                                 "dma mapping resulted in different sg counts "
 908                                 "request_sg_cnt: %x dma_request_sg_cnt: %x ",
 909                                 bsg_job->request_payload.sg_cnt, sg_cnt));
 910                         rval = -EAGAIN;
 911                         goto done_unmap_sg;
 912                 }
 913
 914                 data_len = bsg_job->request_payload.payload_len;
 915                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
 916                         &mgmt_dma, GFP_KERNEL);
 917                 if (!mgmt_b) {
 918                         DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
 919                                 "failed for host=%lu\n",
 920                                 __func__, vha->host_no));
 921                         rval = -ENOMEM;
 922                         goto done_unmap_sg;
 923                 }
 924
 925                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 926                         bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
 927
 928                 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
 929                 mn->parameter1 =
 930                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
 931                 break;
 932
 933         case QLA84_MGMT_CHNG_CONFIG:
 934                 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
 935                 mn->parameter1 =
 936                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
 937
 938                 mn->parameter2 =
 939                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
 940
 941                 mn->parameter3 =
 942                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
 943                 break;
 944
 945         default:
 946                 rval = -EIO;
 947                 goto exit_mgmt;
 948         }
 949
 950         if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
 951                 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
 952                 mn->dseg_count = cpu_to_le16(1);
 953                 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
 954                 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
 955                 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
 956         }
 957
 958         rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
 959
 960         if (rval) {
 961                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 962                         "request 84xx mgmt failed\n", vha->host_no));
 963
 964                 rval = bsg_job->reply->reply_payload_rcv_len = 0;
 965                 bsg_job->reply->result = (DID_ERROR << 16);
 966
 967         } else {
 968                 DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
 969                         "request 84xx mgmt completed\n", vha->host_no));
 970
 971                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 972                 bsg_job->reply->result = DID_OK;
 973
 974                 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
 975                         (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
 976                         bsg_job->reply->reply_payload_rcv_len =
 977                                 bsg_job->reply_payload.payload_len;
 978
 979                         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 980                                 bsg_job->reply_payload.sg_cnt, mgmt_b,
 981                                 data_len);
 982                 }
 983         }
 984
 985         bsg_job->job_done(bsg_job);
 986
 987 done_unmap_sg:
 988         if (mgmt_b)
 989                 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
 990
 991         if (dma_direction == DMA_TO_DEVICE)
 992                 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 993                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 994         else if (dma_direction == DMA_FROM_DEVICE)
 995                 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 996                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 997
 998 exit_mgmt:
 999         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1000
1001         return rval;
1002 }
1003
1004 static int
1005 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1006 {
1007         struct Scsi_Host *host = bsg_job->shost;
1008         scsi_qla_host_t *vha = shost_priv(host);
1009         struct qla_hw_data *ha = vha->hw;
1010         int rval = 0;
1011         struct qla_port_param *port_param = NULL;
1012         fc_port_t *fcport = NULL;
1013         uint16_t mb[MAILBOX_REGISTER_COUNT];
1014         uint8_t *rsp_ptr = NULL;
1015
1016         bsg_job->reply->reply_payload_rcv_len = 0;
1017
1018         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1019                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1020                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
1021                 return -EBUSY;
1022
1023         if (!IS_IIDMA_CAPABLE(vha->hw)) {
1024                 DEBUG2(qla_printk(KERN_WARNING, ha, "%s(%lu): iiDMA not "
1025                         "supported\n",  __func__, vha->host_no));
1026                 return -EINVAL;
1027         }
1028
1029         port_param = (struct qla_port_param *)((char *)bsg_job->request +
1030                 sizeof(struct fc_bsg_request));
1031         if (!port_param) {
1032                 DEBUG2(printk("%s(%ld): port_param header not provided, "
1033                         "exiting.\n", __func__, vha->host_no));
1034                 return -EINVAL;
1035         }
1036
1037         if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1038                 DEBUG2(printk(KERN_ERR "%s(%ld): Invalid destination type\n",
1039                         __func__, vha->host_no));
1040                 return -EINVAL;
1041         }
1042
1043         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1044                 if (fcport->port_type != FCT_TARGET)
1045                         continue;
1046
1047                 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1048                         fcport->port_name, sizeof(fcport->port_name)))
1049                         continue;
1050                 break;
1051         }
1052
1053         if (!fcport) {
1054                 DEBUG2(printk(KERN_ERR "%s(%ld): Failed to find port\n",
1055                         __func__, vha->host_no));
1056                 return -EINVAL;
1057         }
1058
1059         if (port_param->mode)
1060                 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1061                         port_param->speed, mb);
1062         else
1063                 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1064                         &port_param->speed, mb);
1065
1066         if (rval) {
1067                 DEBUG16(printk(KERN_ERR "scsi(%ld): iIDMA cmd failed for "
1068                         "%02x%02x%02x%02x%02x%02x%02x%02x -- "
1069                         "%04x %x %04x %04x.\n",
1070                         vha->host_no, fcport->port_name[0],
1071                         fcport->port_name[1],
1072                         fcport->port_name[2], fcport->port_name[3],
1073                         fcport->port_name[4], fcport->port_name[5],
1074                         fcport->port_name[6], fcport->port_name[7], rval,
1075                         fcport->fp_speed, mb[0], mb[1]));
1076                 rval = 0;
1077                 bsg_job->reply->result = (DID_ERROR << 16);
1078
1079         } else {
1080                 if (!port_param->mode) {
1081                         bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1082                                 sizeof(struct qla_port_param);
1083
1084                         rsp_ptr = ((uint8_t *)bsg_job->reply) +
1085                                 sizeof(struct fc_bsg_reply);
1086
1087                         memcpy(rsp_ptr, port_param,
1088                                 sizeof(struct qla_port_param));
1089                 }
1090
1091                 bsg_job->reply->result = DID_OK;
1092         }
1093
1094         bsg_job->job_done(bsg_job);
1095         return rval;
1096 }
1097
1098 static int
1099 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1100 {
1101         switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1102         case QL_VND_LOOPBACK:
1103                 return qla2x00_process_loopback(bsg_job);
1104
1105         case QL_VND_A84_RESET:
1106                 return qla84xx_reset(bsg_job);
1107
1108         case QL_VND_A84_UPDATE_FW:
1109                 return qla84xx_updatefw(bsg_job);
1110
1111         case QL_VND_A84_MGMT_CMD:
1112                 return qla84xx_mgmt_cmd(bsg_job);
1113
1114         case QL_VND_IIDMA:
1115                 return qla24xx_iidma(bsg_job);
1116
1117         case QL_VND_FCP_PRIO_CFG_CMD:
1118                 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1119
1120         default:
1121                 bsg_job->reply->result = (DID_ERROR << 16);
1122                 bsg_job->job_done(bsg_job);
1123                 return -ENOSYS;
1124         }
1125 }
1126
1127 int
1128 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1129 {
1130         int ret = -EINVAL;
1131
1132         switch (bsg_job->request->msgcode) {
1133         case FC_BSG_RPT_ELS:
1134         case FC_BSG_HST_ELS_NOLOGIN:
1135                 ret = qla2x00_process_els(bsg_job);
1136                 break;
1137         case FC_BSG_HST_CT:
1138                 ret = qla2x00_process_ct(bsg_job);
1139                 break;
1140         case FC_BSG_HST_VENDOR:
1141                 ret = qla2x00_process_vendor_specific(bsg_job);
1142                 break;
1143         case FC_BSG_HST_ADD_RPORT:
1144         case FC_BSG_HST_DEL_RPORT:
1145         case FC_BSG_RPT_CT:
1146         default:
1147                 DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
1148                 break;
1149         }
1150         return ret;
1151 }
1152
1153 int
1154 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1155 {
1156         scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1157         struct qla_hw_data *ha = vha->hw;
1158         srb_t *sp;
1159         int cnt, que;
1160         unsigned long flags;
1161         struct req_que *req;
1162         struct srb_ctx *sp_bsg;
1163
1164         /* find the bsg job from the active list of commands */
1165         spin_lock_irqsave(&ha->hardware_lock, flags);
1166         for (que = 0; que < ha->max_req_queues; que++) {
1167                 req = ha->req_q_map[que];
1168                 if (!req)
1169                         continue;
1170
1171                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1172                         sp = req->outstanding_cmds[cnt];
1173                         if (sp) {
1174                                 sp_bsg = sp->ctx;
1175
1176                                 if (((sp_bsg->type == SRB_CT_CMD) ||
1177                                         (sp_bsg->type == SRB_ELS_CMD_HST))
1178                                         && (sp_bsg->u.bsg_job == bsg_job)) {
1179                                         if (ha->isp_ops->abort_command(sp)) {
1180                                                 DEBUG2(qla_printk(KERN_INFO, ha,
1181                                                     "scsi(%ld): mbx "
1182                                                     "abort_command failed\n",
1183                                                     vha->host_no));
1184                                                 bsg_job->req->errors =
1185                                                 bsg_job->reply->result = -EIO;
1186                                         } else {
1187                                                 DEBUG2(qla_printk(KERN_INFO, ha,
1188                                                     "scsi(%ld): mbx "
1189                                                     "abort_command success\n",
1190                                                     vha->host_no));
1191                                                 bsg_job->req->errors =
1192                                                 bsg_job->reply->result = 0;
1193                                         }
1194                                         goto done;
1195                                 }
1196                         }
1197                 }
1198         }
1199         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200         DEBUG2(qla_printk(KERN_INFO, ha,
1201                 "scsi(%ld) SRB not found to abort\n", vha->host_no));
1202         bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1203         return 0;
1204
1205 done:
1206         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1207         if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1208                 kfree(sp->fcport);
1209         kfree(sp->ctx);
1210         mempool_free(sp, ha->srb_mempool);
1211         return 0;
1212 }