drivers/scsi/qla2xxx/qla_bsg.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/kthread.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/bsg-lib.h>
  13
  14 /* BSG support for ELS/CT pass through */
  15 void
  16 qla2x00_bsg_job_done(void *ptr, int res)
  17 {
  18         srb_t *sp = ptr;
  19         struct bsg_job *bsg_job = sp->u.bsg_job;
  20         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
  21
  22         bsg_reply->result = res;
  23         bsg_job_done(bsg_job, bsg_reply->result,
  24                        bsg_reply->reply_payload_rcv_len);
  25         sp->free(sp);
  26 }
  27
  28 void
  29 qla2x00_bsg_sp_free(void *ptr)
  30 {
  31         srb_t *sp = ptr;
  32         struct qla_hw_data *ha = sp->vha->hw;
  33         struct bsg_job *bsg_job = sp->u.bsg_job;
  34         struct fc_bsg_request *bsg_request = bsg_job->request;
  35         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
  36
  37         if (sp->type == SRB_FXIOCB_BCMD) {
  38                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
  39                     &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
  40
  41                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
  42                         dma_unmap_sg(&ha->pdev->dev,
  43                             bsg_job->request_payload.sg_list,
  44                             bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
  45
  46                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
  47                         dma_unmap_sg(&ha->pdev->dev,
  48                             bsg_job->reply_payload.sg_list,
  49                             bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
  50         } else {
  51                 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
  52                     bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
  53
  54                 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
  55                     bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
  56         }
  57
  58         if (sp->type == SRB_CT_CMD ||
  59             sp->type == SRB_FXIOCB_BCMD ||
  60             sp->type == SRB_ELS_CMD_HST)
  61                 kfree(sp->fcport);
  62         qla2x00_rel_sp(sp);
  63 }
  64
  65 int
  66 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
  67         struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
  68 {
  69         int i, ret, num_valid;
  70         uint8_t *bcode;
  71         struct qla_fcp_prio_entry *pri_entry;
  72         uint32_t *bcode_val_ptr, bcode_val;
  73
  74         ret = 1;
  75         num_valid = 0;
  76         bcode = (uint8_t *)pri_cfg;
  77         bcode_val_ptr = (uint32_t *)pri_cfg;
  78         bcode_val = (uint32_t)(*bcode_val_ptr);
  79
  80         if (bcode_val == 0xFFFFFFFF) {
  81                 /* No FCP Priority config data in flash */
  82                 ql_dbg(ql_dbg_user, vha, 0x7051,
  83                     "No FCP Priority config data.\n");
  84                 return 0;
  85         }
  86
  87         if (memcmp(bcode, "HQOS", 4)) {
  88                 /* Invalid FCP priority data header*/
  89                 ql_dbg(ql_dbg_user, vha, 0x7052,
  90                     "Invalid FCP Priority data header. bcode=0x%x.\n",
  91                     bcode_val);
  92                 return 0;
  93         }
  94         if (flag != 1)
  95                 return ret;
  96
  97         pri_entry = &pri_cfg->entry[0];
  98         for (i = 0; i < pri_cfg->num_entries; i++) {
  99                 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
 100                         num_valid++;
 101                 pri_entry++;
 102         }
 103
 104         if (num_valid == 0) {
 105                 /* No valid FCP priority data entries */
 106                 ql_dbg(ql_dbg_user, vha, 0x7053,
 107                     "No valid FCP Priority data entries.\n");
 108                 ret = 0;
 109         } else {
 110                 /* FCP priority data is valid */
 111                 ql_dbg(ql_dbg_user, vha, 0x7054,
 112                     "Valid FCP priority data. num entries = %d.\n",
 113                     num_valid);
 114         }
 115
 116         return ret;
 117 }
 118
 119 static int
 120 qla24xx_proc_fcp_prio_cfg_cmd(struct bsg_job *bsg_job)
 121 {
 122         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 123         struct fc_bsg_request *bsg_request = bsg_job->request;
 124         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 125         scsi_qla_host_t *vha = shost_priv(host);
 126         struct qla_hw_data *ha = vha->hw;
 127         int ret = 0;
 128         uint32_t len;
 129         uint32_t oper;
 130
 131         if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
 132                 ret = -EINVAL;
 133                 goto exit_fcp_prio_cfg;
 134         }
 135
 136         /* Get the sub command */
 137         oper = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
 138
 139         /* Only set config is allowed if config memory is not allocated */
 140         if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
 141                 ret = -EINVAL;
 142                 goto exit_fcp_prio_cfg;
 143         }
 144         switch (oper) {
 145         case QLFC_FCP_PRIO_DISABLE:
 146                 if (ha->flags.fcp_prio_enabled) {
 147                         ha->flags.fcp_prio_enabled = 0;
 148                         ha->fcp_prio_cfg->attributes &=
 149                                 ~FCP_PRIO_ATTR_ENABLE;
 150                         qla24xx_update_all_fcp_prio(vha);
 151                         bsg_reply->result = DID_OK;
 152                 } else {
 153                         ret = -EINVAL;
 154                         bsg_reply->result = (DID_ERROR << 16);
 155                         goto exit_fcp_prio_cfg;
 156                 }
 157                 break;
 158
 159         case QLFC_FCP_PRIO_ENABLE:
 160                 if (!ha->flags.fcp_prio_enabled) {
 161                         if (ha->fcp_prio_cfg) {
 162                                 ha->flags.fcp_prio_enabled = 1;
 163                                 ha->fcp_prio_cfg->attributes |=
 164                                     FCP_PRIO_ATTR_ENABLE;
 165                                 qla24xx_update_all_fcp_prio(vha);
 166                                 bsg_reply->result = DID_OK;
 167                         } else {
 168                                 ret = -EINVAL;
 169                                 bsg_reply->result = (DID_ERROR << 16);
 170                                 goto exit_fcp_prio_cfg;
 171                         }
 172                 }
 173                 break;
 174
 175         case QLFC_FCP_PRIO_GET_CONFIG:
 176                 len = bsg_job->reply_payload.payload_len;
 177                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 178                         ret = -EINVAL;
 179                         bsg_reply->result = (DID_ERROR << 16);
 180                         goto exit_fcp_prio_cfg;
 181                 }
 182
 183                 bsg_reply->result = DID_OK;
 184                 bsg_reply->reply_payload_rcv_len =
 185                         sg_copy_from_buffer(
 186                         bsg_job->reply_payload.sg_list,
 187                         bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
 188                         len);
 189
 190                 break;
 191
 192         case QLFC_FCP_PRIO_SET_CONFIG:
 193                 len = bsg_job->request_payload.payload_len;
 194                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 195                         bsg_reply->result = (DID_ERROR << 16);
 196                         ret = -EINVAL;
 197                         goto exit_fcp_prio_cfg;
 198                 }
 199
 200                 if (!ha->fcp_prio_cfg) {
 201                         ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
 202                         if (!ha->fcp_prio_cfg) {
 203                                 ql_log(ql_log_warn, vha, 0x7050,
 204                                     "Unable to allocate memory for fcp prio "
 205                                     "config data (%x).\n", FCP_PRIO_CFG_SIZE);
 206                                 bsg_reply->result = (DID_ERROR << 16);
 207                                 ret = -ENOMEM;
 208                                 goto exit_fcp_prio_cfg;
 209                         }
 210                 }
 211
 212                 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
 213                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 214                 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
 215                         FCP_PRIO_CFG_SIZE);
 216
 217                 /* validate fcp priority data */
 218
 219                 if (!qla24xx_fcp_prio_cfg_valid(vha,
 220                     (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
 221                         bsg_reply->result = (DID_ERROR << 16);
 222                         ret = -EINVAL;
 223                         /* If buffer was invalidatic int
 224                          * fcp_prio_cfg is of no use
 225                          */
 226                         vfree(ha->fcp_prio_cfg);
 227                         ha->fcp_prio_cfg = NULL;
 228                         goto exit_fcp_prio_cfg;
 229                 }
 230
 231                 ha->flags.fcp_prio_enabled = 0;
 232                 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
 233                         ha->flags.fcp_prio_enabled = 1;
 234                 qla24xx_update_all_fcp_prio(vha);
 235                 bsg_reply->result = DID_OK;
 236                 break;
 237         default:
 238                 ret = -EINVAL;
 239                 break;
 240         }
 241 exit_fcp_prio_cfg:
 242         if (!ret)
 243                 bsg_job_done(bsg_job, bsg_reply->result,
 244                                bsg_reply->reply_payload_rcv_len);
 245         return ret;
 246 }
 247
 248 static int
 249 qla2x00_process_els(struct bsg_job *bsg_job)
 250 {
 251         struct fc_bsg_request *bsg_request = bsg_job->request;
 252         struct fc_rport *rport;
 253         fc_port_t *fcport = NULL;
 254         struct Scsi_Host *host;
 255         scsi_qla_host_t *vha;
 256         struct qla_hw_data *ha;
 257         srb_t *sp;
 258         const char *type;
 259         int req_sg_cnt, rsp_sg_cnt;
 260         int rval =  (DRIVER_ERROR << 16);
 261         uint16_t nextlid = 0;
 262
 263         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 264                 rport = fc_bsg_to_rport(bsg_job);
 265                 fcport = *(fc_port_t **) rport->dd_data;
 266                 host = rport_to_shost(rport);
 267                 vha = shost_priv(host);
 268                 ha = vha->hw;
 269                 type = "FC_BSG_RPT_ELS";
 270         } else {
 271                 host = fc_bsg_to_shost(bsg_job);
 272                 vha = shost_priv(host);
 273                 ha = vha->hw;
 274                 type = "FC_BSG_HST_ELS_NOLOGIN";
 275         }
 276
 277         if (!vha->flags.online) {
 278                 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
 279                 rval = -EIO;
 280                 goto done;
 281         }
 282
 283         /* pass through is supported only for ISP 4Gb or higher */
 284         if (!IS_FWI2_CAPABLE(ha)) {
 285                 ql_dbg(ql_dbg_user, vha, 0x7001,
 286                     "ELS passthru not supported for ISP23xx based adapters.\n");
 287                 rval = -EPERM;
 288                 goto done;
 289         }
 290
 291         /*  Multiple SG's are not supported for ELS requests */
 292         if (bsg_job->request_payload.sg_cnt > 1 ||
 293                 bsg_job->reply_payload.sg_cnt > 1) {
 294                 ql_dbg(ql_dbg_user, vha, 0x7002,
 295                     "Multiple SG's are not supported for ELS requests, "
 296                     "request_sg_cnt=%x reply_sg_cnt=%x.\n",
 297                     bsg_job->request_payload.sg_cnt,
 298                     bsg_job->reply_payload.sg_cnt);
 299                 rval = -EPERM;
 300                 goto done;
 301         }
 302
 303         /* ELS request for rport */
 304         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 305                 /* make sure the rport is logged in,
 306                  * if not perform fabric login
 307                  */
 308                 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
 309                         ql_dbg(ql_dbg_user, vha, 0x7003,
 310                             "Failed to login port %06X for ELS passthru.\n",
 311                             fcport->d_id.b24);
 312                         rval = -EIO;
 313                         goto done;
 314                 }
 315         } else {
 316                 /* Allocate a dummy fcport structure, since functions
 317                  * preparing the IOCB and mailbox command retrieves port
 318                  * specific information from fcport structure. For Host based
 319                  * ELS commands there will be no fcport structure allocated
 320                  */
 321                 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 322                 if (!fcport) {
 323                         rval = -ENOMEM;
 324                         goto done;
 325                 }
 326
 327                 /* Initialize all required  fields of fcport */
 328                 fcport->vha = vha;
 329                 fcport->d_id.b.al_pa =
 330                         bsg_request->rqst_data.h_els.port_id[0];
 331                 fcport->d_id.b.area =
 332                         bsg_request->rqst_data.h_els.port_id[1];
 333                 fcport->d_id.b.domain =
 334                         bsg_request->rqst_data.h_els.port_id[2];
 335                 fcport->loop_id =
 336                         (fcport->d_id.b.al_pa == 0xFD) ?
 337                         NPH_FABRIC_CONTROLLER : NPH_F_PORT;
 338         }
 339
 340         req_sg_cnt =
 341                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 342                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 343         if (!req_sg_cnt) {
 344                 rval = -ENOMEM;
 345                 goto done_free_fcport;
 346         }
 347
 348         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 349                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 350         if (!rsp_sg_cnt) {
 351                 rval = -ENOMEM;
 352                 goto done_free_fcport;
 353         }
 354
 355         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 356                 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 357                 ql_log(ql_log_warn, vha, 0x7008,
 358                     "dma mapping resulted in different sg counts, "
 359                     "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
 360                     "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
 361                     req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
 362                 rval = -EAGAIN;
 363                 goto done_unmap_sg;
 364         }
 365
 366         /* Alloc SRB structure */
 367         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 368         if (!sp) {
 369                 rval = -ENOMEM;
 370                 goto done_unmap_sg;
 371         }
 372
 373         sp->type =
 374                 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
 375                  SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
 376         sp->name =
 377                 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
 378                  "bsg_els_rpt" : "bsg_els_hst");
 379         sp->u.bsg_job = bsg_job;
 380         sp->free = qla2x00_bsg_sp_free;
 381         sp->done = qla2x00_bsg_job_done;
 382
 383         ql_dbg(ql_dbg_user, vha, 0x700a,
 384             "bsg rqst type: %s els type: %x - loop-id=%x "
 385             "portid=%-2x%02x%02x.\n", type,
 386             bsg_request->rqst_data.h_els.command_code, fcport->loop_id,
 387             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
 388
 389         rval = qla2x00_start_sp(sp);
 390         if (rval != QLA_SUCCESS) {
 391                 ql_log(ql_log_warn, vha, 0x700e,
 392                     "qla2x00_start_sp failed = %d\n", rval);
 393                 qla2x00_rel_sp(sp);
 394                 rval = -EIO;
 395                 goto done_unmap_sg;
 396         }
 397         return rval;
 398
 399 done_unmap_sg:
 400         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 401                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 402         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 403                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 404         goto done_free_fcport;
 405
 406 done_free_fcport:
 407         if (bsg_request->msgcode == FC_BSG_RPT_ELS)
 408                 kfree(fcport);
 409 done:
 410         return rval;
 411 }
 412
 413 static inline uint16_t
 414 qla24xx_calc_ct_iocbs(uint16_t dsds)
 415 {
 416         uint16_t iocbs;
 417
 418         iocbs = 1;
 419         if (dsds > 2) {
 420                 iocbs += (dsds - 2) / 5;
 421                 if ((dsds - 2) % 5)
 422                         iocbs++;
 423         }
 424         return iocbs;
 425 }
 426
 427 static int
 428 qla2x00_process_ct(struct bsg_job *bsg_job)
 429 {
 430         srb_t *sp;
 431         struct fc_bsg_request *bsg_request = bsg_job->request;
 432         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 433         scsi_qla_host_t *vha = shost_priv(host);
 434         struct qla_hw_data *ha = vha->hw;
 435         int rval = (DRIVER_ERROR << 16);
 436         int req_sg_cnt, rsp_sg_cnt;
 437         uint16_t loop_id;
 438         struct fc_port *fcport;
 439         char  *type = "FC_BSG_HST_CT";
 440
 441         req_sg_cnt =
 442                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 443                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 444         if (!req_sg_cnt) {
 445                 ql_log(ql_log_warn, vha, 0x700f,
 446                     "dma_map_sg return %d for request\n", req_sg_cnt);
 447                 rval = -ENOMEM;
 448                 goto done;
 449         }
 450
 451         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 452                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 453         if (!rsp_sg_cnt) {
 454                 ql_log(ql_log_warn, vha, 0x7010,
 455                     "dma_map_sg return %d for reply\n", rsp_sg_cnt);
 456                 rval = -ENOMEM;
 457                 goto done;
 458         }
 459
 460         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 461             (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 462                 ql_log(ql_log_warn, vha, 0x7011,
 463                     "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
 464                     "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
 465                     req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
 466                 rval = -EAGAIN;
 467                 goto done_unmap_sg;
 468         }
 469
 470         if (!vha->flags.online) {
 471                 ql_log(ql_log_warn, vha, 0x7012,
 472                     "Host is not online.\n");
 473                 rval = -EIO;
 474                 goto done_unmap_sg;
 475         }
 476
 477         loop_id =
 478                 (bsg_request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
 479                         >> 24;
 480         switch (loop_id) {
 481         case 0xFC:
 482                 loop_id = cpu_to_le16(NPH_SNS);
 483                 break;
 484         case 0xFA:
 485                 loop_id = vha->mgmt_svr_loop_id;
 486                 break;
 487         default:
 488                 ql_dbg(ql_dbg_user, vha, 0x7013,
 489                     "Unknown loop id: %x.\n", loop_id);
 490                 rval = -EINVAL;
 491                 goto done_unmap_sg;
 492         }
 493
 494         /* Allocate a dummy fcport structure, since functions preparing the
 495          * IOCB and mailbox command retrieves port specific information
 496          * from fcport structure. For Host based ELS commands there will be
 497          * no fcport structure allocated
 498          */
 499         fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 500         if (!fcport) {
 501                 ql_log(ql_log_warn, vha, 0x7014,
 502                     "Failed to allocate fcport.\n");
 503                 rval = -ENOMEM;
 504                 goto done_unmap_sg;
 505         }
 506
 507         /* Initialize all required  fields of fcport */
 508         fcport->vha = vha;
 509         fcport->d_id.b.al_pa = bsg_request->rqst_data.h_ct.port_id[0];
 510         fcport->d_id.b.area = bsg_request->rqst_data.h_ct.port_id[1];
 511         fcport->d_id.b.domain = bsg_request->rqst_data.h_ct.port_id[2];
 512         fcport->loop_id = loop_id;
 513
 514         /* Alloc SRB structure */
 515         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 516         if (!sp) {
 517                 ql_log(ql_log_warn, vha, 0x7015,
 518                     "qla2x00_get_sp failed.\n");
 519                 rval = -ENOMEM;
 520                 goto done_free_fcport;
 521         }
 522
 523         sp->type = SRB_CT_CMD;
 524         sp->name = "bsg_ct";
 525         sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
 526         sp->u.bsg_job = bsg_job;
 527         sp->free = qla2x00_bsg_sp_free;
 528         sp->done = qla2x00_bsg_job_done;
 529
 530         ql_dbg(ql_dbg_user, vha, 0x7016,
 531             "bsg rqst type: %s else type: %x - "
 532             "loop-id=%x portid=%02x%02x%02x.\n", type,
 533             (bsg_request->rqst_data.h_ct.preamble_word2 >> 16),
 534             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 535             fcport->d_id.b.al_pa);
 536
 537         rval = qla2x00_start_sp(sp);
 538         if (rval != QLA_SUCCESS) {
 539                 ql_log(ql_log_warn, vha, 0x7017,
 540                     "qla2x00_start_sp failed=%d.\n", rval);
 541                 qla2x00_rel_sp(sp);
 542                 rval = -EIO;
 543                 goto done_free_fcport;
 544         }
 545         return rval;
 546
 547 done_free_fcport:
 548         kfree(fcport);
 549 done_unmap_sg:
 550         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 551                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 552         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 553                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 554 done:
 555         return rval;
 556 }
 557
 558 /* Disable loopback mode */
 559 static inline int
 560 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
 561                             int wait, int wait2)
 562 {
 563         int ret = 0;
 564         int rval = 0;
 565         uint16_t new_config[4];
 566         struct qla_hw_data *ha = vha->hw;
 567
 568         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
 569                 goto done_reset_internal;
 570
 571         memset(new_config, 0 , sizeof(new_config));
 572         if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
 573             ENABLE_INTERNAL_LOOPBACK ||
 574             (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
 575             ENABLE_EXTERNAL_LOOPBACK) {
 576                 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
 577                 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
 578                     (new_config[0] & INTERNAL_LOOPBACK_MASK));
 579                 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
 580
 581                 ha->notify_dcbx_comp = wait;
 582                 ha->notify_lb_portup_comp = wait2;
 583
 584                 ret = qla81xx_set_port_config(vha, new_config);
 585                 if (ret != QLA_SUCCESS) {
 586                         ql_log(ql_log_warn, vha, 0x7025,
 587                             "Set port config failed.\n");
 588                         ha->notify_dcbx_comp = 0;
 589                         ha->notify_lb_portup_comp = 0;
 590                         rval = -EINVAL;
 591                         goto done_reset_internal;
 592                 }
 593
 594                 /* Wait for DCBX complete event */
 595                 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
 596                         (DCBX_COMP_TIMEOUT * HZ))) {
 597                         ql_dbg(ql_dbg_user, vha, 0x7026,
 598                             "DCBX completion not received.\n");
 599                         ha->notify_dcbx_comp = 0;
 600                         ha->notify_lb_portup_comp = 0;
 601                         rval = -EINVAL;
 602                         goto done_reset_internal;
 603                 } else
 604                         ql_dbg(ql_dbg_user, vha, 0x7027,
 605                             "DCBX completion received.\n");
 606
 607                 if (wait2 &&
 608                     !wait_for_completion_timeout(&ha->lb_portup_comp,
 609                     (LB_PORTUP_COMP_TIMEOUT * HZ))) {
 610                         ql_dbg(ql_dbg_user, vha, 0x70c5,
 611                             "Port up completion not received.\n");
 612                         ha->notify_lb_portup_comp = 0;
 613                         rval = -EINVAL;
 614                         goto done_reset_internal;
 615                 } else
 616                         ql_dbg(ql_dbg_user, vha, 0x70c6,
 617                             "Port up completion received.\n");
 618
 619                 ha->notify_dcbx_comp = 0;
 620                 ha->notify_lb_portup_comp = 0;
 621         }
 622 done_reset_internal:
 623         return rval;
 624 }
 625
 626 /*
 627  * Set the port configuration to enable the internal or external loopback
 628  * depending on the loopback mode.
 629  */
 630 static inline int
 631 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
 632         uint16_t *new_config, uint16_t mode)
 633 {
 634         int ret = 0;
 635         int rval = 0;
 636         unsigned long rem_tmo = 0, current_tmo = 0;
 637         struct qla_hw_data *ha = vha->hw;
 638
 639         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
 640                 goto done_set_internal;
 641
 642         if (mode == INTERNAL_LOOPBACK)
 643                 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
 644         else if (mode == EXTERNAL_LOOPBACK)
 645                 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
 646         ql_dbg(ql_dbg_user, vha, 0x70be,
 647              "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
 648
 649         memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
 650
 651         ha->notify_dcbx_comp = 1;
 652         ret = qla81xx_set_port_config(vha, new_config);
 653         if (ret != QLA_SUCCESS) {
 654                 ql_log(ql_log_warn, vha, 0x7021,
 655                     "set port config failed.\n");
 656                 ha->notify_dcbx_comp = 0;
 657                 rval = -EINVAL;
 658                 goto done_set_internal;
 659         }
 660
 661         /* Wait for DCBX complete event */
 662         current_tmo = DCBX_COMP_TIMEOUT * HZ;
 663         while (1) {
 664                 rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
 665                     current_tmo);
 666                 if (!ha->idc_extend_tmo || rem_tmo) {
 667                         ha->idc_extend_tmo = 0;
 668                         break;
 669                 }
 670                 current_tmo = ha->idc_extend_tmo * HZ;
 671                 ha->idc_extend_tmo = 0;
 672         }
 673
 674         if (!rem_tmo) {
 675                 ql_dbg(ql_dbg_user, vha, 0x7022,
 676                     "DCBX completion not received.\n");
 677                 ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
 678                 /*
 679                  * If the reset of the loopback mode doesn't work take a FCoE
 680                  * dump and reset the chip.
 681                  */
 682                 if (ret) {
 683                         ha->isp_ops->fw_dump(vha, 0);
 684                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 685                 }
 686                 rval = -EINVAL;
 687         } else {
 688                 if (ha->flags.idc_compl_status) {
 689                         ql_dbg(ql_dbg_user, vha, 0x70c3,
 690                             "Bad status in IDC Completion AEN\n");
 691                         rval = -EINVAL;
 692                         ha->flags.idc_compl_status = 0;
 693                 } else
 694                         ql_dbg(ql_dbg_user, vha, 0x7023,
 695                             "DCBX completion received.\n");
 696         }
 697
 698         ha->notify_dcbx_comp = 0;
 699         ha->idc_extend_tmo = 0;
 700
 701 done_set_internal:
 702         return rval;
 703 }
 704
 705 static int
 706 qla2x00_process_loopback(struct bsg_job *bsg_job)
 707 {
 708         struct fc_bsg_request *bsg_request = bsg_job->request;
 709         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 710         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 711         scsi_qla_host_t *vha = shost_priv(host);
 712         struct qla_hw_data *ha = vha->hw;
 713         int rval;
 714         uint8_t command_sent;
 715         char *type;
 716         struct msg_echo_lb elreq;
 717         uint16_t response[MAILBOX_REGISTER_COUNT];
 718         uint16_t config[4], new_config[4];
 719         uint8_t *fw_sts_ptr;
 720         uint8_t *req_data = NULL;
 721         dma_addr_t req_data_dma;
 722         uint32_t req_data_len;
 723         uint8_t *rsp_data = NULL;
 724         dma_addr_t rsp_data_dma;
 725         uint32_t rsp_data_len;
 726
 727         if (!vha->flags.online) {
 728                 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
 729                 return -EIO;
 730         }
 731
 732         memset(&elreq, 0, sizeof(elreq));
 733
 734         elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
 735                 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
 736                 DMA_TO_DEVICE);
 737
 738         if (!elreq.req_sg_cnt) {
 739                 ql_log(ql_log_warn, vha, 0x701a,
 740                     "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
 741                 return -ENOMEM;
 742         }
 743
 744         elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
 745                 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
 746                 DMA_FROM_DEVICE);
 747
 748         if (!elreq.rsp_sg_cnt) {
 749                 ql_log(ql_log_warn, vha, 0x701b,
 750                     "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
 751                 rval = -ENOMEM;
 752                 goto done_unmap_req_sg;
 753         }
 754
 755         if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 756                 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 757                 ql_log(ql_log_warn, vha, 0x701c,
 758                     "dma mapping resulted in different sg counts, "
 759                     "request_sg_cnt: %x dma_request_sg_cnt: %x "
 760                     "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
 761                     bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
 762                     bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
 763                 rval = -EAGAIN;
 764                 goto done_unmap_sg;
 765         }
 766         req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
 767         req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
 768                 &req_data_dma, GFP_KERNEL);
 769         if (!req_data) {
 770                 ql_log(ql_log_warn, vha, 0x701d,
 771                     "dma alloc failed for req_data.\n");
 772                 rval = -ENOMEM;
 773                 goto done_unmap_sg;
 774         }
 775
 776         rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
 777                 &rsp_data_dma, GFP_KERNEL);
 778         if (!rsp_data) {
 779                 ql_log(ql_log_warn, vha, 0x7004,
 780                     "dma alloc failed for rsp_data.\n");
 781                 rval = -ENOMEM;
 782                 goto done_free_dma_req;
 783         }
 784
 785         /* Copy the request buffer in req_data now */
 786         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 787                 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
 788
 789         elreq.send_dma = req_data_dma;
 790         elreq.rcv_dma = rsp_data_dma;
 791         elreq.transfer_size = req_data_len;
 792
 793         elreq.options = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
 794         elreq.iteration_count =
 795             bsg_request->rqst_data.h_vendor.vendor_cmd[2];
 796
 797         if (atomic_read(&vha->loop_state) == LOOP_READY &&
 798             (ha->current_topology == ISP_CFG_F ||
 799             (le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE &&
 800              req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
 801             elreq.options == EXTERNAL_LOOPBACK) {
 802                 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
 803                 ql_dbg(ql_dbg_user, vha, 0x701e,
 804                     "BSG request type: %s.\n", type);
 805                 command_sent = INT_DEF_LB_ECHO_CMD;
 806                 rval = qla2x00_echo_test(vha, &elreq, response);
 807         } else {
 808                 if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
 809                         memset(config, 0, sizeof(config));
 810                         memset(new_config, 0, sizeof(new_config));
 811
 812                         if (qla81xx_get_port_config(vha, config)) {
 813                                 ql_log(ql_log_warn, vha, 0x701f,
 814                                     "Get port config failed.\n");
 815                                 rval = -EPERM;
 816                                 goto done_free_dma_rsp;
 817                         }
 818
 819                         if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
 820                                 ql_dbg(ql_dbg_user, vha, 0x70c4,
 821                                     "Loopback operation already in "
 822                                     "progress.\n");
 823                                 rval = -EAGAIN;
 824                                 goto done_free_dma_rsp;
 825                         }
 826
 827                         ql_dbg(ql_dbg_user, vha, 0x70c0,
 828                             "elreq.options=%04x\n", elreq.options);
 829
 830                         if (elreq.options == EXTERNAL_LOOPBACK)
 831                                 if (IS_QLA8031(ha) || IS_QLA8044(ha))
 832                                         rval = qla81xx_set_loopback_mode(vha,
 833                                             config, new_config, elreq.options);
 834                                 else
 835                                         rval = qla81xx_reset_loopback_mode(vha,
 836                                             config, 1, 0);
 837                         else
 838                                 rval = qla81xx_set_loopback_mode(vha, config,
 839                                     new_config, elreq.options);
 840
 841                         if (rval) {
 842                                 rval = -EPERM;
 843                                 goto done_free_dma_rsp;
 844                         }
 845
 846                         type = "FC_BSG_HST_VENDOR_LOOPBACK";
 847                         ql_dbg(ql_dbg_user, vha, 0x7028,
 848                             "BSG request type: %s.\n", type);
 849
 850                         command_sent = INT_DEF_LB_LOOPBACK_CMD;
 851                         rval = qla2x00_loopback_test(vha, &elreq, response);
 852
 853                         if (response[0] == MBS_COMMAND_ERROR &&
 854                                         response[1] == MBS_LB_RESET) {
 855                                 ql_log(ql_log_warn, vha, 0x7029,
 856                                     "MBX command error, Aborting ISP.\n");
 857                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 858                                 qla2xxx_wake_dpc(vha);
 859                                 qla2x00_wait_for_chip_reset(vha);
 860                                 /* Also reset the MPI */
 861                                 if (IS_QLA81XX(ha)) {
 862                                         if (qla81xx_restart_mpi_firmware(vha) !=
 863                                             QLA_SUCCESS) {
 864                                                 ql_log(ql_log_warn, vha, 0x702a,
 865                                                     "MPI reset failed.\n");
 866                                         }
 867                                 }
 868
 869                                 rval = -EIO;
 870                                 goto done_free_dma_rsp;
 871                         }
 872
 873                         if (new_config[0]) {
 874                                 int ret;
 875
 876                                 /* Revert back to original port config
 877                                  * Also clear internal loopback
 878                                  */
 879                                 ret = qla81xx_reset_loopback_mode(vha,
 880                                     new_config, 0, 1);
 881                                 if (ret) {
 882                                         /*
 883                                          * If the reset of the loopback mode
 884                                          * doesn't work take FCoE dump and then
 885                                          * reset the chip.
 886                                          */
 887                                         ha->isp_ops->fw_dump(vha, 0);
 888                                         set_bit(ISP_ABORT_NEEDED,
 889                                             &vha->dpc_flags);
 890                                 }
 891
 892                         }
 893
 894                 } else {
 895                         type = "FC_BSG_HST_VENDOR_LOOPBACK";
 896                         ql_dbg(ql_dbg_user, vha, 0x702b,
 897                             "BSG request type: %s.\n", type);
 898                         command_sent = INT_DEF_LB_LOOPBACK_CMD;
 899                         rval = qla2x00_loopback_test(vha, &elreq, response);
 900                 }
 901         }
 902
 903         if (rval) {
 904                 ql_log(ql_log_warn, vha, 0x702c,
 905                     "Vendor request %s failed.\n", type);
 906
 907                 rval = 0;
 908                 bsg_reply->result = (DID_ERROR << 16);
 909                 bsg_reply->reply_payload_rcv_len = 0;
 910         } else {
 911                 ql_dbg(ql_dbg_user, vha, 0x702d,
 912                     "Vendor request %s completed.\n", type);
 913                 bsg_reply->result = (DID_OK << 16);
 914                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 915                         bsg_job->reply_payload.sg_cnt, rsp_data,
 916                         rsp_data_len);
 917         }
 918
 919         bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
 920             sizeof(response) + sizeof(uint8_t);
 921         fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
 922         memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), response,
 923                         sizeof(response));
 924         fw_sts_ptr += sizeof(response);
 925         *fw_sts_ptr = command_sent;
 926
 927 done_free_dma_rsp:
 928         dma_free_coherent(&ha->pdev->dev, rsp_data_len,
 929                 rsp_data, rsp_data_dma);
 930 done_free_dma_req:
 931         dma_free_coherent(&ha->pdev->dev, req_data_len,
 932                 req_data, req_data_dma);
 933 done_unmap_sg:
 934         dma_unmap_sg(&ha->pdev->dev,
 935             bsg_job->reply_payload.sg_list,
 936             bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 937 done_unmap_req_sg:
 938         dma_unmap_sg(&ha->pdev->dev,
 939             bsg_job->request_payload.sg_list,
 940             bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 941         if (!rval)
 942                 bsg_job_done(bsg_job, bsg_reply->result,
 943                                bsg_reply->reply_payload_rcv_len);
 944         return rval;
 945 }
 946
 947 static int
 948 qla84xx_reset(struct bsg_job *bsg_job)
 949 {
 950         struct fc_bsg_request *bsg_request = bsg_job->request;
 951         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 952         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 953         scsi_qla_host_t *vha = shost_priv(host);
 954         struct qla_hw_data *ha = vha->hw;
 955         int rval = 0;
 956         uint32_t flag;
 957
 958         if (!IS_QLA84XX(ha)) {
 959                 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
 960                 return -EINVAL;
 961         }
 962
 963         flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
 964
 965         rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
 966
 967         if (rval) {
 968                 ql_log(ql_log_warn, vha, 0x7030,
 969                     "Vendor request 84xx reset failed.\n");
 970                 rval = (DID_ERROR << 16);
 971
 972         } else {
 973                 ql_dbg(ql_dbg_user, vha, 0x7031,
 974                     "Vendor request 84xx reset completed.\n");
 975                 bsg_reply->result = DID_OK;
 976                 bsg_job_done(bsg_job, bsg_reply->result,
 977                                bsg_reply->reply_payload_rcv_len);
 978         }
 979
 980         return rval;
 981 }
 982
 983 static int
 984 qla84xx_updatefw(struct bsg_job *bsg_job)
 985 {
 986         struct fc_bsg_request *bsg_request = bsg_job->request;
 987         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 988         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 989         scsi_qla_host_t *vha = shost_priv(host);
 990         struct qla_hw_data *ha = vha->hw;
 991         struct verify_chip_entry_84xx *mn = NULL;
 992         dma_addr_t mn_dma, fw_dma;
 993         void *fw_buf = NULL;
 994         int rval = 0;
 995         uint32_t sg_cnt;
 996         uint32_t data_len;
 997         uint16_t options;
 998         uint32_t flag;
 999         uint32_t fw_ver;
1000
1001         if (!IS_QLA84XX(ha)) {
1002                 ql_dbg(ql_dbg_user, vha, 0x7032,
1003                     "Not 84xx, exiting.\n");
1004                 return -EINVAL;
1005         }
1006
1007         sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1008                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1009         if (!sg_cnt) {
1010                 ql_log(ql_log_warn, vha, 0x7033,
1011                     "dma_map_sg returned %d for request.\n", sg_cnt);
1012                 return -ENOMEM;
1013         }
1014
1015         if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1016                 ql_log(ql_log_warn, vha, 0x7034,
1017                     "DMA mapping resulted in different sg counts, "
1018                     "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1019                     bsg_job->request_payload.sg_cnt, sg_cnt);
1020                 rval = -EAGAIN;
1021                 goto done_unmap_sg;
1022         }
1023
1024         data_len = bsg_job->request_payload.payload_len;
1025         fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
1026                 &fw_dma, GFP_KERNEL);
1027         if (!fw_buf) {
1028                 ql_log(ql_log_warn, vha, 0x7035,
1029                     "DMA alloc failed for fw_buf.\n");
1030                 rval = -ENOMEM;
1031                 goto done_unmap_sg;
1032         }
1033
1034         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1035                 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
1036
1037         mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1038         if (!mn) {
1039                 ql_log(ql_log_warn, vha, 0x7036,
1040                     "DMA alloc failed for fw buffer.\n");
1041                 rval = -ENOMEM;
1042                 goto done_free_fw_buf;
1043         }
1044
1045         flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1046         fw_ver = get_unaligned_le32((uint32_t *)fw_buf + 2);
1047
1048         mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1049         mn->entry_count = 1;
1050
1051         options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1052         if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1053                 options |= VCO_DIAG_FW;
1054
1055         mn->options = cpu_to_le16(options);
1056         mn->fw_ver =  cpu_to_le32(fw_ver);
1057         mn->fw_size =  cpu_to_le32(data_len);
1058         mn->fw_seq_size =  cpu_to_le32(data_len);
1059         put_unaligned_le64(fw_dma, &mn->dsd.address);
1060         mn->dsd.length = cpu_to_le32(data_len);
1061         mn->data_seg_cnt = cpu_to_le16(1);
1062
1063         rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1064
1065         if (rval) {
1066                 ql_log(ql_log_warn, vha, 0x7037,
1067                     "Vendor request 84xx updatefw failed.\n");
1068
1069                 rval = (DID_ERROR << 16);
1070         } else {
1071                 ql_dbg(ql_dbg_user, vha, 0x7038,
1072                     "Vendor request 84xx updatefw completed.\n");
1073
1074                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1075                 bsg_reply->result = DID_OK;
1076         }
1077
1078         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1079
1080 done_free_fw_buf:
1081         dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1082
1083 done_unmap_sg:
1084         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1085                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1086
1087         if (!rval)
1088                 bsg_job_done(bsg_job, bsg_reply->result,
1089                                bsg_reply->reply_payload_rcv_len);
1090         return rval;
1091 }
1092
1093 static int
1094 qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
1095 {
1096         struct fc_bsg_request *bsg_request = bsg_job->request;
1097         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1098         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1099         scsi_qla_host_t *vha = shost_priv(host);
1100         struct qla_hw_data *ha = vha->hw;
1101         struct access_chip_84xx *mn = NULL;
1102         dma_addr_t mn_dma, mgmt_dma;
1103         void *mgmt_b = NULL;
1104         int rval = 0;
1105         struct qla_bsg_a84_mgmt *ql84_mgmt;
1106         uint32_t sg_cnt;
1107         uint32_t data_len = 0;
1108         uint32_t dma_direction = DMA_NONE;
1109
1110         if (!IS_QLA84XX(ha)) {
1111                 ql_log(ql_log_warn, vha, 0x703a,
1112                     "Not 84xx, exiting.\n");
1113                 return -EINVAL;
1114         }
1115
1116         mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1117         if (!mn) {
1118                 ql_log(ql_log_warn, vha, 0x703c,
1119                     "DMA alloc failed for fw buffer.\n");
1120                 return -ENOMEM;
1121         }
1122
1123         mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1124         mn->entry_count = 1;
1125         ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
1126         switch (ql84_mgmt->mgmt.cmd) {
1127         case QLA84_MGMT_READ_MEM:
1128         case QLA84_MGMT_GET_INFO:
1129                 sg_cnt = dma_map_sg(&ha->pdev->dev,
1130                         bsg_job->reply_payload.sg_list,
1131                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1132                 if (!sg_cnt) {
1133                         ql_log(ql_log_warn, vha, 0x703d,
1134                             "dma_map_sg returned %d for reply.\n", sg_cnt);
1135                         rval = -ENOMEM;
1136                         goto exit_mgmt;
1137                 }
1138
1139                 dma_direction = DMA_FROM_DEVICE;
1140
1141                 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1142                         ql_log(ql_log_warn, vha, 0x703e,
1143                             "DMA mapping resulted in different sg counts, "
1144                             "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1145                             bsg_job->reply_payload.sg_cnt, sg_cnt);
1146                         rval = -EAGAIN;
1147                         goto done_unmap_sg;
1148                 }
1149
1150                 data_len = bsg_job->reply_payload.payload_len;
1151
1152                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1153                     &mgmt_dma, GFP_KERNEL);
1154                 if (!mgmt_b) {
1155                         ql_log(ql_log_warn, vha, 0x703f,
1156                             "DMA alloc failed for mgmt_b.\n");
1157                         rval = -ENOMEM;
1158                         goto done_unmap_sg;
1159                 }
1160
1161                 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1162                         mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1163                         mn->parameter1 =
1164                                 cpu_to_le32(
1165                                 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1166
1167                 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1168                         mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1169                         mn->parameter1 =
1170                                 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1171
1172                         mn->parameter2 =
1173                                 cpu_to_le32(
1174                                 ql84_mgmt->mgmt.mgmtp.u.info.context);
1175                 }
1176                 break;
1177
1178         case QLA84_MGMT_WRITE_MEM:
1179                 sg_cnt = dma_map_sg(&ha->pdev->dev,
1180                         bsg_job->request_payload.sg_list,
1181                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1182
1183                 if (!sg_cnt) {
1184                         ql_log(ql_log_warn, vha, 0x7040,
1185                             "dma_map_sg returned %d.\n", sg_cnt);
1186                         rval = -ENOMEM;
1187                         goto exit_mgmt;
1188                 }
1189
1190                 dma_direction = DMA_TO_DEVICE;
1191
1192                 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1193                         ql_log(ql_log_warn, vha, 0x7041,
1194                             "DMA mapping resulted in different sg counts, "
1195                             "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1196                             bsg_job->request_payload.sg_cnt, sg_cnt);
1197                         rval = -EAGAIN;
1198                         goto done_unmap_sg;
1199                 }
1200
1201                 data_len = bsg_job->request_payload.payload_len;
1202                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1203                         &mgmt_dma, GFP_KERNEL);
1204                 if (!mgmt_b) {
1205                         ql_log(ql_log_warn, vha, 0x7042,
1206                             "DMA alloc failed for mgmt_b.\n");
1207                         rval = -ENOMEM;
1208                         goto done_unmap_sg;
1209                 }
1210
1211                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1212                         bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1213
1214                 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1215                 mn->parameter1 =
1216                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1217                 break;
1218
1219         case QLA84_MGMT_CHNG_CONFIG:
1220                 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1221                 mn->parameter1 =
1222                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1223
1224                 mn->parameter2 =
1225                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1226
1227                 mn->parameter3 =
1228                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1229                 break;
1230
1231         default:
1232                 rval = -EIO;
1233                 goto exit_mgmt;
1234         }
1235
1236         if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1237                 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1238                 mn->dseg_count = cpu_to_le16(1);
1239                 put_unaligned_le64(mgmt_dma, &mn->dsd.address);
1240                 mn->dsd.length = cpu_to_le32(ql84_mgmt->mgmt.len);
1241         }
1242
1243         rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1244
1245         if (rval) {
1246                 ql_log(ql_log_warn, vha, 0x7043,
1247                     "Vendor request 84xx mgmt failed.\n");
1248
1249                 rval = (DID_ERROR << 16);
1250
1251         } else {
1252                 ql_dbg(ql_dbg_user, vha, 0x7044,
1253                     "Vendor request 84xx mgmt completed.\n");
1254
1255                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1256                 bsg_reply->result = DID_OK;
1257
1258                 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1259                         (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1260                         bsg_reply->reply_payload_rcv_len =
1261                                 bsg_job->reply_payload.payload_len;
1262
1263                         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1264                                 bsg_job->reply_payload.sg_cnt, mgmt_b,
1265                                 data_len);
1266                 }
1267         }
1268
1269 done_unmap_sg:
1270         if (mgmt_b)
1271                 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1272
1273         if (dma_direction == DMA_TO_DEVICE)
1274                 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1275                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1276         else if (dma_direction == DMA_FROM_DEVICE)
1277                 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1278                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1279
1280 exit_mgmt:
1281         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1282
1283         if (!rval)
1284                 bsg_job_done(bsg_job, bsg_reply->result,
1285                                bsg_reply->reply_payload_rcv_len);
1286         return rval;
1287 }
1288
1289 static int
1290 qla24xx_iidma(struct bsg_job *bsg_job)
1291 {
1292         struct fc_bsg_request *bsg_request = bsg_job->request;
1293         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1294         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1295         scsi_qla_host_t *vha = shost_priv(host);
1296         int rval = 0;
1297         struct qla_port_param *port_param = NULL;
1298         fc_port_t *fcport = NULL;
1299         int found = 0;
1300         uint16_t mb[MAILBOX_REGISTER_COUNT];
1301         uint8_t *rsp_ptr = NULL;
1302
1303         if (!IS_IIDMA_CAPABLE(vha->hw)) {
1304                 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1305                 return -EINVAL;
1306         }
1307
1308         port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
1309         if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1310                 ql_log(ql_log_warn, vha, 0x7048,
1311                     "Invalid destination type.\n");
1312                 return -EINVAL;
1313         }
1314
1315         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1316                 if (fcport->port_type != FCT_TARGET)
1317                         continue;
1318
1319                 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1320                         fcport->port_name, sizeof(fcport->port_name)))
1321                         continue;
1322
1323                 found = 1;
1324                 break;
1325         }
1326
1327         if (!found) {
1328                 ql_log(ql_log_warn, vha, 0x7049,
1329                     "Failed to find port.\n");
1330                 return -EINVAL;
1331         }
1332
1333         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1334                 ql_log(ql_log_warn, vha, 0x704a,
1335                     "Port is not online.\n");
1336                 return -EINVAL;
1337         }
1338
1339         if (fcport->flags & FCF_LOGIN_NEEDED) {
1340                 ql_log(ql_log_warn, vha, 0x704b,
1341                     "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1342                 return -EINVAL;
1343         }
1344
1345         if (port_param->mode)
1346                 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1347                         port_param->speed, mb);
1348         else
1349                 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1350                         &port_param->speed, mb);
1351
1352         if (rval) {
1353                 ql_log(ql_log_warn, vha, 0x704c,
1354                     "iiDMA cmd failed for %8phN -- "
1355                     "%04x %x %04x %04x.\n", fcport->port_name,
1356                     rval, fcport->fp_speed, mb[0], mb[1]);
1357                 rval = (DID_ERROR << 16);
1358         } else {
1359                 if (!port_param->mode) {
1360                         bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1361                                 sizeof(struct qla_port_param);
1362
1363                         rsp_ptr = ((uint8_t *)bsg_reply) +
1364                                 sizeof(struct fc_bsg_reply);
1365
1366                         memcpy(rsp_ptr, port_param,
1367                                 sizeof(struct qla_port_param));
1368                 }
1369
1370                 bsg_reply->result = DID_OK;
1371                 bsg_job_done(bsg_job, bsg_reply->result,
1372                                bsg_reply->reply_payload_rcv_len);
1373         }
1374
1375         return rval;
1376 }
1377
1378 static int
1379 qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
1380         uint8_t is_update)
1381 {
1382         struct fc_bsg_request *bsg_request = bsg_job->request;
1383         uint32_t start = 0;
1384         int valid = 0;
1385         struct qla_hw_data *ha = vha->hw;
1386
1387         if (unlikely(pci_channel_offline(ha->pdev)))
1388                 return -EINVAL;
1389
1390         start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1391         if (start > ha->optrom_size) {
1392                 ql_log(ql_log_warn, vha, 0x7055,
1393                     "start %d > optrom_size %d.\n", start, ha->optrom_size);
1394                 return -EINVAL;
1395         }
1396
1397         if (ha->optrom_state != QLA_SWAITING) {
1398                 ql_log(ql_log_info, vha, 0x7056,
1399                     "optrom_state %d.\n", ha->optrom_state);
1400                 return -EBUSY;
1401         }
1402
1403         ha->optrom_region_start = start;
1404         ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1405         if (is_update) {
1406                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1407                         valid = 1;
1408                 else if (start == (ha->flt_region_boot * 4) ||
1409                     start == (ha->flt_region_fw * 4))
1410                         valid = 1;
1411                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1412                     IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
1413                     IS_QLA28XX(ha))
1414                         valid = 1;
1415                 if (!valid) {
1416                         ql_log(ql_log_warn, vha, 0x7058,
1417                             "Invalid start region 0x%x/0x%x.\n", start,
1418                             bsg_job->request_payload.payload_len);
1419                         return -EINVAL;
1420                 }
1421
1422                 ha->optrom_region_size = start +
1423                     bsg_job->request_payload.payload_len > ha->optrom_size ?
1424                     ha->optrom_size - start :
1425                     bsg_job->request_payload.payload_len;
1426                 ha->optrom_state = QLA_SWRITING;
1427         } else {
1428                 ha->optrom_region_size = start +
1429                     bsg_job->reply_payload.payload_len > ha->optrom_size ?
1430                     ha->optrom_size - start :
1431                     bsg_job->reply_payload.payload_len;
1432                 ha->optrom_state = QLA_SREADING;
1433         }
1434
1435         ha->optrom_buffer = vzalloc(ha->optrom_region_size);
1436         if (!ha->optrom_buffer) {
1437                 ql_log(ql_log_warn, vha, 0x7059,
1438                     "Read: Unable to allocate memory for optrom retrieval "
1439                     "(%x)\n", ha->optrom_region_size);
1440
1441                 ha->optrom_state = QLA_SWAITING;
1442                 return -ENOMEM;
1443         }
1444
1445         return 0;
1446 }
1447
1448 static int
1449 qla2x00_read_optrom(struct bsg_job *bsg_job)
1450 {
1451         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1452         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1453         scsi_qla_host_t *vha = shost_priv(host);
1454         struct qla_hw_data *ha = vha->hw;
1455         int rval = 0;
1456
1457         if (ha->flags.nic_core_reset_hdlr_active)
1458                 return -EBUSY;
1459
1460         mutex_lock(&ha->optrom_mutex);
1461         rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1462         if (rval) {
1463                 mutex_unlock(&ha->optrom_mutex);
1464                 return rval;
1465         }
1466
1467         ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1468             ha->optrom_region_start, ha->optrom_region_size);
1469
1470         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1471             bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1472             ha->optrom_region_size);
1473
1474         bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1475         bsg_reply->result = DID_OK;
1476         vfree(ha->optrom_buffer);
1477         ha->optrom_buffer = NULL;
1478         ha->optrom_state = QLA_SWAITING;
1479         mutex_unlock(&ha->optrom_mutex);
1480         bsg_job_done(bsg_job, bsg_reply->result,
1481                        bsg_reply->reply_payload_rcv_len);
1482         return rval;
1483 }
1484
1485 static int
1486 qla2x00_update_optrom(struct bsg_job *bsg_job)
1487 {
1488         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1489         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1490         scsi_qla_host_t *vha = shost_priv(host);
1491         struct qla_hw_data *ha = vha->hw;
1492         int rval = 0;
1493
1494         mutex_lock(&ha->optrom_mutex);
1495         rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1496         if (rval) {
1497                 mutex_unlock(&ha->optrom_mutex);
1498                 return rval;
1499         }
1500
1501         /* Set the isp82xx_no_md_cap not to capture minidump */
1502         ha->flags.isp82xx_no_md_cap = 1;
1503
1504         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1505             bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1506             ha->optrom_region_size);
1507
1508         ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1509             ha->optrom_region_start, ha->optrom_region_size);
1510
1511         bsg_reply->result = DID_OK;
1512         vfree(ha->optrom_buffer);
1513         ha->optrom_buffer = NULL;
1514         ha->optrom_state = QLA_SWAITING;
1515         mutex_unlock(&ha->optrom_mutex);
1516         bsg_job_done(bsg_job, bsg_reply->result,
1517                        bsg_reply->reply_payload_rcv_len);
1518         return rval;
1519 }
1520
1521 static int
1522 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1523 {
1524         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1525         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1526         scsi_qla_host_t *vha = shost_priv(host);
1527         struct qla_hw_data *ha = vha->hw;
1528         int rval = 0;
1529         uint8_t bsg[DMA_POOL_SIZE];
1530         struct qla_image_version_list *list = (void *)bsg;
1531         struct qla_image_version *image;
1532         uint32_t count;
1533         dma_addr_t sfp_dma;
1534         void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1535
1536         if (!sfp) {
1537                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1538                     EXT_STATUS_NO_MEMORY;
1539                 goto done;
1540         }
1541
1542         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1543             bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1544
1545         image = list->version;
1546         count = list->count;
1547         while (count--) {
1548                 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1549                 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1550                     image->field_address.device, image->field_address.offset,
1551                     sizeof(image->field_info), image->field_address.option);
1552                 if (rval) {
1553                         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1554                             EXT_STATUS_MAILBOX;
1555                         goto dealloc;
1556                 }
1557                 image++;
1558         }
1559
1560         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1561
1562 dealloc:
1563         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1564
1565 done:
1566         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1567         bsg_reply->result = DID_OK << 16;
1568         bsg_job_done(bsg_job, bsg_reply->result,
1569                        bsg_reply->reply_payload_rcv_len);
1570
1571         return 0;
1572 }
1573
1574 static int
1575 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1576 {
1577         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1578         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1579         scsi_qla_host_t *vha = shost_priv(host);
1580         struct qla_hw_data *ha = vha->hw;
1581         int rval = 0;
1582         uint8_t bsg[DMA_POOL_SIZE];
1583         struct qla_status_reg *sr = (void *)bsg;
1584         dma_addr_t sfp_dma;
1585         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1586
1587         if (!sfp) {
1588                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1589                     EXT_STATUS_NO_MEMORY;
1590                 goto done;
1591         }
1592
1593         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1594             bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1595
1596         rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1597             sr->field_address.device, sr->field_address.offset,
1598             sizeof(sr->status_reg), sr->field_address.option);
1599         sr->status_reg = *sfp;
1600
1601         if (rval) {
1602                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1603                     EXT_STATUS_MAILBOX;
1604                 goto dealloc;
1605         }
1606
1607         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1608             bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1609
1610         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1611
1612 dealloc:
1613         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1614
1615 done:
1616         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1617         bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1618         bsg_reply->result = DID_OK << 16;
1619         bsg_job_done(bsg_job, bsg_reply->result,
1620                        bsg_reply->reply_payload_rcv_len);
1621
1622         return 0;
1623 }
1624
1625 static int
1626 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1627 {
1628         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1629         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1630         scsi_qla_host_t *vha = shost_priv(host);
1631         struct qla_hw_data *ha = vha->hw;
1632         int rval = 0;
1633         uint8_t bsg[DMA_POOL_SIZE];
1634         struct qla_status_reg *sr = (void *)bsg;
1635         dma_addr_t sfp_dma;
1636         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1637
1638         if (!sfp) {
1639                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1640                     EXT_STATUS_NO_MEMORY;
1641                 goto done;
1642         }
1643
1644         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1645             bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1646
1647         *sfp = sr->status_reg;
1648         rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1649             sr->field_address.device, sr->field_address.offset,
1650             sizeof(sr->status_reg), sr->field_address.option);
1651
1652         if (rval) {
1653                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1654                     EXT_STATUS_MAILBOX;
1655                 goto dealloc;
1656         }
1657
1658         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1659
1660 dealloc:
1661         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1662
1663 done:
1664         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1665         bsg_reply->result = DID_OK << 16;
1666         bsg_job_done(bsg_job, bsg_reply->result,
1667                        bsg_reply->reply_payload_rcv_len);
1668
1669         return 0;
1670 }
1671
1672 static int
1673 qla2x00_write_i2c(struct bsg_job *bsg_job)
1674 {
1675         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1676         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1677         scsi_qla_host_t *vha = shost_priv(host);
1678         struct qla_hw_data *ha = vha->hw;
1679         int rval = 0;
1680         uint8_t bsg[DMA_POOL_SIZE];
1681         struct qla_i2c_access *i2c = (void *)bsg;
1682         dma_addr_t sfp_dma;
1683         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1684
1685         if (!sfp) {
1686                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1687                     EXT_STATUS_NO_MEMORY;
1688                 goto done;
1689         }
1690
1691         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1692             bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1693
1694         memcpy(sfp, i2c->buffer, i2c->length);
1695         rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1696             i2c->device, i2c->offset, i2c->length, i2c->option);
1697
1698         if (rval) {
1699                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1700                     EXT_STATUS_MAILBOX;
1701                 goto dealloc;
1702         }
1703
1704         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1705
1706 dealloc:
1707         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1708
1709 done:
1710         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1711         bsg_reply->result = DID_OK << 16;
1712         bsg_job_done(bsg_job, bsg_reply->result,
1713                        bsg_reply->reply_payload_rcv_len);
1714
1715         return 0;
1716 }
1717
1718 static int
1719 qla2x00_read_i2c(struct bsg_job *bsg_job)
1720 {
1721         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1722         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1723         scsi_qla_host_t *vha = shost_priv(host);
1724         struct qla_hw_data *ha = vha->hw;
1725         int rval = 0;
1726         uint8_t bsg[DMA_POOL_SIZE];
1727         struct qla_i2c_access *i2c = (void *)bsg;
1728         dma_addr_t sfp_dma;
1729         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1730
1731         if (!sfp) {
1732                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1733                     EXT_STATUS_NO_MEMORY;
1734                 goto done;
1735         }
1736
1737         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1738             bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1739
1740         rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1741                 i2c->device, i2c->offset, i2c->length, i2c->option);
1742
1743         if (rval) {
1744                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1745                     EXT_STATUS_MAILBOX;
1746                 goto dealloc;
1747         }
1748
1749         memcpy(i2c->buffer, sfp, i2c->length);
1750         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1751             bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1752
1753         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1754
1755 dealloc:
1756         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1757
1758 done:
1759         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1760         bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
1761         bsg_reply->result = DID_OK << 16;
1762         bsg_job_done(bsg_job, bsg_reply->result,
1763                        bsg_reply->reply_payload_rcv_len);
1764
1765         return 0;
1766 }
1767
1768 static int
1769 qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
1770 {
1771         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1772         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1773         scsi_qla_host_t *vha = shost_priv(host);
1774         struct qla_hw_data *ha = vha->hw;
1775         uint32_t rval = EXT_STATUS_OK;
1776         uint16_t req_sg_cnt = 0;
1777         uint16_t rsp_sg_cnt = 0;
1778         uint16_t nextlid = 0;
1779         uint32_t tot_dsds;
1780         srb_t *sp = NULL;
1781         uint32_t req_data_len = 0;
1782         uint32_t rsp_data_len = 0;
1783
1784         /* Check the type of the adapter */
1785         if (!IS_BIDI_CAPABLE(ha)) {
1786                 ql_log(ql_log_warn, vha, 0x70a0,
1787                         "This adapter is not supported\n");
1788                 rval = EXT_STATUS_NOT_SUPPORTED;
1789                 goto done;
1790         }
1791
1792         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1793                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1794                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1795                 rval =  EXT_STATUS_BUSY;
1796                 goto done;
1797         }
1798
1799         /* Check if host is online */
1800         if (!vha->flags.online) {
1801                 ql_log(ql_log_warn, vha, 0x70a1,
1802                         "Host is not online\n");
1803                 rval = EXT_STATUS_DEVICE_OFFLINE;
1804                 goto done;
1805         }
1806
1807         /* Check if cable is plugged in or not */
1808         if (vha->device_flags & DFLG_NO_CABLE) {
1809                 ql_log(ql_log_warn, vha, 0x70a2,
1810                         "Cable is unplugged...\n");
1811                 rval = EXT_STATUS_INVALID_CFG;
1812                 goto done;
1813         }
1814
1815         /* Check if the switch is connected or not */
1816         if (ha->current_topology != ISP_CFG_F) {
1817                 ql_log(ql_log_warn, vha, 0x70a3,
1818                         "Host is not connected to the switch\n");
1819                 rval = EXT_STATUS_INVALID_CFG;
1820                 goto done;
1821         }
1822
1823         /* Check if operating mode is P2P */
1824         if (ha->operating_mode != P2P) {
1825                 ql_log(ql_log_warn, vha, 0x70a4,
1826                     "Host operating mode is not P2p\n");
1827                 rval = EXT_STATUS_INVALID_CFG;
1828                 goto done;
1829         }
1830
1831         mutex_lock(&ha->selflogin_lock);
1832         if (vha->self_login_loop_id == 0) {
1833                 /* Initialize all required  fields of fcport */
1834                 vha->bidir_fcport.vha = vha;
1835                 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1836                 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1837                 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1838                 vha->bidir_fcport.loop_id = vha->loop_id;
1839
1840                 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1841                         ql_log(ql_log_warn, vha, 0x70a7,
1842                             "Failed to login port %06X for bidirectional IOCB\n",
1843                             vha->bidir_fcport.d_id.b24);
1844                         mutex_unlock(&ha->selflogin_lock);
1845                         rval = EXT_STATUS_MAILBOX;
1846                         goto done;
1847                 }
1848                 vha->self_login_loop_id = nextlid - 1;
1849
1850         }
1851         /* Assign the self login loop id to fcport */
1852         mutex_unlock(&ha->selflogin_lock);
1853
1854         vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1855
1856         req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1857                 bsg_job->request_payload.sg_list,
1858                 bsg_job->request_payload.sg_cnt,
1859                 DMA_TO_DEVICE);
1860
1861         if (!req_sg_cnt) {
1862                 rval = EXT_STATUS_NO_MEMORY;
1863                 goto done;
1864         }
1865
1866         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1867                 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1868                 DMA_FROM_DEVICE);
1869
1870         if (!rsp_sg_cnt) {
1871                 rval = EXT_STATUS_NO_MEMORY;
1872                 goto done_unmap_req_sg;
1873         }
1874
1875         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
1876                 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1877                 ql_dbg(ql_dbg_user, vha, 0x70a9,
1878                     "Dma mapping resulted in different sg counts "
1879                     "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1880                     "%x dma_reply_sg_cnt: %x]\n",
1881                     bsg_job->request_payload.sg_cnt, req_sg_cnt,
1882                     bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1883                 rval = EXT_STATUS_NO_MEMORY;
1884                 goto done_unmap_sg;
1885         }
1886
1887         if (req_data_len != rsp_data_len) {
1888                 rval = EXT_STATUS_BUSY;
1889                 ql_log(ql_log_warn, vha, 0x70aa,
1890                     "req_data_len != rsp_data_len\n");
1891                 goto done_unmap_sg;
1892         }
1893
1894         req_data_len = bsg_job->request_payload.payload_len;
1895         rsp_data_len = bsg_job->reply_payload.payload_len;
1896
1897
1898         /* Alloc SRB structure */
1899         sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1900         if (!sp) {
1901                 ql_dbg(ql_dbg_user, vha, 0x70ac,
1902                     "Alloc SRB structure failed\n");
1903                 rval = EXT_STATUS_NO_MEMORY;
1904                 goto done_unmap_sg;
1905         }
1906
1907         /*Populate srb->ctx with bidir ctx*/
1908         sp->u.bsg_job = bsg_job;
1909         sp->free = qla2x00_bsg_sp_free;
1910         sp->type = SRB_BIDI_CMD;
1911         sp->done = qla2x00_bsg_job_done;
1912
1913         /* Add the read and write sg count */
1914         tot_dsds = rsp_sg_cnt + req_sg_cnt;
1915
1916         rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1917         if (rval != EXT_STATUS_OK)
1918                 goto done_free_srb;
1919         /* the bsg request  will be completed in the interrupt handler */
1920         return rval;
1921
1922 done_free_srb:
1923         mempool_free(sp, ha->srb_mempool);
1924 done_unmap_sg:
1925         dma_unmap_sg(&ha->pdev->dev,
1926             bsg_job->reply_payload.sg_list,
1927             bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1928 done_unmap_req_sg:
1929         dma_unmap_sg(&ha->pdev->dev,
1930             bsg_job->request_payload.sg_list,
1931             bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1932 done:
1933
1934         /* Return an error vendor specific response
1935          * and complete the bsg request
1936          */
1937         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1938         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1939         bsg_reply->reply_payload_rcv_len = 0;
1940         bsg_reply->result = (DID_OK) << 16;
1941         bsg_job_done(bsg_job, bsg_reply->result,
1942                        bsg_reply->reply_payload_rcv_len);
1943         /* Always return success, vendor rsp carries correct status */
1944         return 0;
1945 }
1946
1947 static int
1948 qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
1949 {
1950         struct fc_bsg_request *bsg_request = bsg_job->request;
1951         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1952         scsi_qla_host_t *vha = shost_priv(host);
1953         struct qla_hw_data *ha = vha->hw;
1954         int rval = (DRIVER_ERROR << 16);
1955         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1956         srb_t *sp;
1957         int req_sg_cnt = 0, rsp_sg_cnt = 0;
1958         struct fc_port *fcport;
1959         char  *type = "FC_BSG_HST_FX_MGMT";
1960
1961         /* Copy the IOCB specific information */
1962         piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1963             &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1964
1965         /* Dump the vendor information */
1966         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1967             piocb_rqst, sizeof(*piocb_rqst));
1968
1969         if (!vha->flags.online) {
1970                 ql_log(ql_log_warn, vha, 0x70d0,
1971                     "Host is not online.\n");
1972                 rval = -EIO;
1973                 goto done;
1974         }
1975
1976         if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1977                 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1978                     bsg_job->request_payload.sg_list,
1979                     bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1980                 if (!req_sg_cnt) {
1981                         ql_log(ql_log_warn, vha, 0x70c7,
1982                             "dma_map_sg return %d for request\n", req_sg_cnt);
1983                         rval = -ENOMEM;
1984                         goto done;
1985                 }
1986         }
1987
1988         if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1989                 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1990                     bsg_job->reply_payload.sg_list,
1991                     bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1992                 if (!rsp_sg_cnt) {
1993                         ql_log(ql_log_warn, vha, 0x70c8,
1994                             "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1995                         rval = -ENOMEM;
1996                         goto done_unmap_req_sg;
1997                 }
1998         }
1999
2000         ql_dbg(ql_dbg_user, vha, 0x70c9,
2001             "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
2002             "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
2003             req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
2004
2005         /* Allocate a dummy fcport structure, since functions preparing the
2006          * IOCB and mailbox command retrieves port specific information
2007          * from fcport structure. For Host based ELS commands there will be
2008          * no fcport structure allocated
2009          */
2010         fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2011         if (!fcport) {
2012                 ql_log(ql_log_warn, vha, 0x70ca,
2013                     "Failed to allocate fcport.\n");
2014                 rval = -ENOMEM;
2015                 goto done_unmap_rsp_sg;
2016         }
2017
2018         /* Alloc SRB structure */
2019         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2020         if (!sp) {
2021                 ql_log(ql_log_warn, vha, 0x70cb,
2022                     "qla2x00_get_sp failed.\n");
2023                 rval = -ENOMEM;
2024                 goto done_free_fcport;
2025         }
2026
2027         /* Initialize all required  fields of fcport */
2028         fcport->vha = vha;
2029         fcport->loop_id = piocb_rqst->dataword;
2030
2031         sp->type = SRB_FXIOCB_BCMD;
2032         sp->name = "bsg_fx_mgmt";
2033         sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
2034         sp->u.bsg_job = bsg_job;
2035         sp->free = qla2x00_bsg_sp_free;
2036         sp->done = qla2x00_bsg_job_done;
2037
2038         ql_dbg(ql_dbg_user, vha, 0x70cc,
2039             "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2040             type, piocb_rqst->func_type, fcport->loop_id);
2041
2042         rval = qla2x00_start_sp(sp);
2043         if (rval != QLA_SUCCESS) {
2044                 ql_log(ql_log_warn, vha, 0x70cd,
2045                     "qla2x00_start_sp failed=%d.\n", rval);
2046                 mempool_free(sp, ha->srb_mempool);
2047                 rval = -EIO;
2048                 goto done_free_fcport;
2049         }
2050         return rval;
2051
2052 done_free_fcport:
2053         kfree(fcport);
2054
2055 done_unmap_rsp_sg:
2056         if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2057                 dma_unmap_sg(&ha->pdev->dev,
2058                     bsg_job->reply_payload.sg_list,
2059                     bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2060 done_unmap_req_sg:
2061         if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2062                 dma_unmap_sg(&ha->pdev->dev,
2063                     bsg_job->request_payload.sg_list,
2064                     bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2065
2066 done:
2067         return rval;
2068 }
2069
2070 static int
2071 qla26xx_serdes_op(struct bsg_job *bsg_job)
2072 {
2073         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2074         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2075         scsi_qla_host_t *vha = shost_priv(host);
2076         int rval = 0;
2077         struct qla_serdes_reg sr;
2078
2079         memset(&sr, 0, sizeof(sr));
2080
2081         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2082             bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2083
2084         switch (sr.cmd) {
2085         case INT_SC_SERDES_WRITE_REG:
2086                 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2087                 bsg_reply->reply_payload_rcv_len = 0;
2088                 break;
2089         case INT_SC_SERDES_READ_REG:
2090                 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2091                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2092                     bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2093                 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2094                 break;
2095         default:
2096                 ql_dbg(ql_dbg_user, vha, 0x708c,
2097                     "Unknown serdes cmd %x.\n", sr.cmd);
2098                 rval = -EINVAL;
2099                 break;
2100         }
2101
2102         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2103             rval ? EXT_STATUS_MAILBOX : 0;
2104
2105         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2106         bsg_reply->result = DID_OK << 16;
2107         bsg_job_done(bsg_job, bsg_reply->result,
2108                        bsg_reply->reply_payload_rcv_len);
2109         return 0;
2110 }
2111
2112 static int
2113 qla8044_serdes_op(struct bsg_job *bsg_job)
2114 {
2115         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2116         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2117         scsi_qla_host_t *vha = shost_priv(host);
2118         int rval = 0;
2119         struct qla_serdes_reg_ex sr;
2120
2121         memset(&sr, 0, sizeof(sr));
2122
2123         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2124             bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2125
2126         switch (sr.cmd) {
2127         case INT_SC_SERDES_WRITE_REG:
2128                 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2129                 bsg_reply->reply_payload_rcv_len = 0;
2130                 break;
2131         case INT_SC_SERDES_READ_REG:
2132                 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2133                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2134                     bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2135                 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2136                 break;
2137         default:
2138                 ql_dbg(ql_dbg_user, vha, 0x7020,
2139                     "Unknown serdes cmd %x.\n", sr.cmd);
2140                 rval = -EINVAL;
2141                 break;
2142         }
2143
2144         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2145             rval ? EXT_STATUS_MAILBOX : 0;
2146
2147         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2148         bsg_reply->result = DID_OK << 16;
2149         bsg_job_done(bsg_job, bsg_reply->result,
2150                        bsg_reply->reply_payload_rcv_len);
2151         return 0;
2152 }
2153
2154 static int
2155 qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
2156 {
2157         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2158         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2159         scsi_qla_host_t *vha = shost_priv(host);
2160         struct qla_hw_data *ha = vha->hw;
2161         struct qla_flash_update_caps cap;
2162
2163         if (!(IS_QLA27XX(ha)) && !IS_QLA28XX(ha))
2164                 return -EPERM;
2165
2166         memset(&cap, 0, sizeof(cap));
2167         cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2168                            (uint64_t)ha->fw_attributes_ext[0] << 32 |
2169                            (uint64_t)ha->fw_attributes_h << 16 |
2170                            (uint64_t)ha->fw_attributes;
2171
2172         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2173             bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
2174         bsg_reply->reply_payload_rcv_len = sizeof(cap);
2175
2176         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2177             EXT_STATUS_OK;
2178
2179         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2180         bsg_reply->result = DID_OK << 16;
2181         bsg_job_done(bsg_job, bsg_reply->result,
2182                        bsg_reply->reply_payload_rcv_len);
2183         return 0;
2184 }
2185
2186 static int
2187 qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
2188 {
2189         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2190         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2191         scsi_qla_host_t *vha = shost_priv(host);
2192         struct qla_hw_data *ha = vha->hw;
2193         uint64_t online_fw_attr = 0;
2194         struct qla_flash_update_caps cap;
2195
2196         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2197                 return -EPERM;
2198
2199         memset(&cap, 0, sizeof(cap));
2200         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2201             bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
2202
2203         online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2204                          (uint64_t)ha->fw_attributes_ext[0] << 32 |
2205                          (uint64_t)ha->fw_attributes_h << 16 |
2206                          (uint64_t)ha->fw_attributes;
2207
2208         if (online_fw_attr != cap.capabilities) {
2209                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2210                     EXT_STATUS_INVALID_PARAM;
2211                 return -EINVAL;
2212         }
2213
2214         if (cap.outage_duration < MAX_LOOP_TIMEOUT)  {
2215                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2216                     EXT_STATUS_INVALID_PARAM;
2217                 return -EINVAL;
2218         }
2219
2220         bsg_reply->reply_payload_rcv_len = 0;
2221
2222         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2223             EXT_STATUS_OK;
2224
2225         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2226         bsg_reply->result = DID_OK << 16;
2227         bsg_job_done(bsg_job, bsg_reply->result,
2228                        bsg_reply->reply_payload_rcv_len);
2229         return 0;
2230 }
2231
2232 static int
2233 qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
2234 {
2235         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2236         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2237         scsi_qla_host_t *vha = shost_priv(host);
2238         struct qla_hw_data *ha = vha->hw;
2239         struct qla_bbcr_data bbcr;
2240         uint16_t loop_id, topo, sw_cap;
2241         uint8_t domain, area, al_pa, state;
2242         int rval;
2243
2244         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2245                 return -EPERM;
2246
2247         memset(&bbcr, 0, sizeof(bbcr));
2248
2249         if (vha->flags.bbcr_enable)
2250                 bbcr.status = QLA_BBCR_STATUS_ENABLED;
2251         else
2252                 bbcr.status = QLA_BBCR_STATUS_DISABLED;
2253
2254         if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
2255                 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2256                         &area, &domain, &topo, &sw_cap);
2257                 if (rval != QLA_SUCCESS) {
2258                         bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
2259                         bbcr.state = QLA_BBCR_STATE_OFFLINE;
2260                         bbcr.mbx1 = loop_id;
2261                         goto done;
2262                 }
2263
2264                 state = (vha->bbcr >> 12) & 0x1;
2265
2266                 if (state) {
2267                         bbcr.state = QLA_BBCR_STATE_OFFLINE;
2268                         bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
2269                 } else {
2270                         bbcr.state = QLA_BBCR_STATE_ONLINE;
2271                         bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
2272                 }
2273
2274                 bbcr.configured_bbscn = vha->bbcr & 0xf;
2275         }
2276
2277 done:
2278         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2279                 bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
2280         bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
2281
2282         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2283
2284         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2285         bsg_reply->result = DID_OK << 16;
2286         bsg_job_done(bsg_job, bsg_reply->result,
2287                        bsg_reply->reply_payload_rcv_len);
2288         return 0;
2289 }
2290
2291 static int
2292 qla2x00_get_priv_stats(struct bsg_job *bsg_job)
2293 {
2294         struct fc_bsg_request *bsg_request = bsg_job->request;
2295         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2296         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2297         scsi_qla_host_t *vha = shost_priv(host);
2298         struct qla_hw_data *ha = vha->hw;
2299         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2300         struct link_statistics *stats = NULL;
2301         dma_addr_t stats_dma;
2302         int rval;
2303         uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
2304         uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
2305
2306         if (test_bit(UNLOADING, &vha->dpc_flags))
2307                 return -ENODEV;
2308
2309         if (unlikely(pci_channel_offline(ha->pdev)))
2310                 return -ENODEV;
2311
2312         if (qla2x00_reset_active(vha))
2313                 return -EBUSY;
2314
2315         if (!IS_FWI2_CAPABLE(ha))
2316                 return -EPERM;
2317
2318         stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2319                                    GFP_KERNEL);
2320         if (!stats) {
2321                 ql_log(ql_log_warn, vha, 0x70e2,
2322                     "Failed to allocate memory for stats.\n");
2323                 return -ENOMEM;
2324         }
2325
2326         rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2327
2328         if (rval == QLA_SUCCESS) {
2329                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e5,
2330                         stats, sizeof(*stats));
2331                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2332                         bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2333         }
2334
2335         bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2336         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2337             rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2338
2339         bsg_job->reply_len = sizeof(*bsg_reply);
2340         bsg_reply->result = DID_OK << 16;
2341         bsg_job_done(bsg_job, bsg_reply->result,
2342                        bsg_reply->reply_payload_rcv_len);
2343
2344         dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2345                 stats, stats_dma);
2346
2347         return 0;
2348 }
2349
2350 static int
2351 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2352 {
2353         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2354         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2355         scsi_qla_host_t *vha = shost_priv(host);
2356         int rval;
2357         struct qla_dport_diag *dd;
2358
2359         if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
2360             !IS_QLA28XX(vha->hw))
2361                 return -EPERM;
2362
2363         dd = kmalloc(sizeof(*dd), GFP_KERNEL);
2364         if (!dd) {
2365                 ql_log(ql_log_warn, vha, 0x70db,
2366                     "Failed to allocate memory for dport.\n");
2367                 return -ENOMEM;
2368         }
2369
2370         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2371             bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
2372
2373         rval = qla26xx_dport_diagnostics(
2374             vha, dd->buf, sizeof(dd->buf), dd->options);
2375         if (rval == QLA_SUCCESS) {
2376                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2377                     bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
2378         }
2379
2380         bsg_reply->reply_payload_rcv_len = sizeof(*dd);
2381         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2382             rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2383
2384         bsg_job->reply_len = sizeof(*bsg_reply);
2385         bsg_reply->result = DID_OK << 16;
2386         bsg_job_done(bsg_job, bsg_reply->result,
2387                        bsg_reply->reply_payload_rcv_len);
2388
2389         kfree(dd);
2390
2391         return 0;
2392 }
2393
2394 static int
2395 qla2x00_get_flash_image_status(struct bsg_job *bsg_job)
2396 {
2397         scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2398         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2399         struct qla_hw_data *ha = vha->hw;
2400         struct qla_active_regions regions = { };
2401         struct active_regions active_regions = { };
2402
2403         qla28xx_get_aux_images(vha, &active_regions);
2404         regions.global_image = active_regions.global;
2405
2406         if (IS_QLA28XX(ha)) {
2407                 qla27xx_get_active_image(vha, &active_regions);
2408                 regions.board_config = active_regions.aux.board_config;
2409                 regions.vpd_nvram = active_regions.aux.vpd_nvram;
2410                 regions.npiv_config_0_1 = active_regions.aux.npiv_config_0_1;
2411                 regions.npiv_config_2_3 = active_regions.aux.npiv_config_2_3;
2412         }
2413
2414         ql_dbg(ql_dbg_user, vha, 0x70e1,
2415             "%s(%lu): FW=%u BCFG=%u VPDNVR=%u NPIV01=%u NPIV02=%u\n",
2416             __func__, vha->host_no, regions.global_image,
2417             regions.board_config, regions.vpd_nvram,
2418             regions.npiv_config_0_1, regions.npiv_config_2_3);
2419
2420         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2421             bsg_job->reply_payload.sg_cnt, &regions, sizeof(regions));
2422
2423         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2424         bsg_reply->reply_payload_rcv_len = sizeof(regions);
2425         bsg_reply->result = DID_OK << 16;
2426         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2427         bsg_job_done(bsg_job, bsg_reply->result,
2428             bsg_reply->reply_payload_rcv_len);
2429
2430         return 0;
2431 }
2432
2433 static int
2434 qla2x00_process_vendor_specific(struct bsg_job *bsg_job)
2435 {
2436         struct fc_bsg_request *bsg_request = bsg_job->request;
2437
2438         switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2439         case QL_VND_LOOPBACK:
2440                 return qla2x00_process_loopback(bsg_job);
2441
2442         case QL_VND_A84_RESET:
2443                 return qla84xx_reset(bsg_job);
2444
2445         case QL_VND_A84_UPDATE_FW:
2446                 return qla84xx_updatefw(bsg_job);
2447
2448         case QL_VND_A84_MGMT_CMD:
2449                 return qla84xx_mgmt_cmd(bsg_job);
2450
2451         case QL_VND_IIDMA:
2452                 return qla24xx_iidma(bsg_job);
2453
2454         case QL_VND_FCP_PRIO_CFG_CMD:
2455                 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2456
2457         case QL_VND_READ_FLASH:
2458                 return qla2x00_read_optrom(bsg_job);
2459
2460         case QL_VND_UPDATE_FLASH:
2461                 return qla2x00_update_optrom(bsg_job);
2462
2463         case QL_VND_SET_FRU_VERSION:
2464                 return qla2x00_update_fru_versions(bsg_job);
2465
2466         case QL_VND_READ_FRU_STATUS:
2467                 return qla2x00_read_fru_status(bsg_job);
2468
2469         case QL_VND_WRITE_FRU_STATUS:
2470                 return qla2x00_write_fru_status(bsg_job);
2471
2472         case QL_VND_WRITE_I2C:
2473                 return qla2x00_write_i2c(bsg_job);
2474
2475         case QL_VND_READ_I2C:
2476                 return qla2x00_read_i2c(bsg_job);
2477
2478         case QL_VND_DIAG_IO_CMD:
2479                 return qla24xx_process_bidir_cmd(bsg_job);
2480
2481         case QL_VND_FX00_MGMT_CMD:
2482                 return qlafx00_mgmt_cmd(bsg_job);
2483
2484         case QL_VND_SERDES_OP:
2485                 return qla26xx_serdes_op(bsg_job);
2486
2487         case QL_VND_SERDES_OP_EX:
2488                 return qla8044_serdes_op(bsg_job);
2489
2490         case QL_VND_GET_FLASH_UPDATE_CAPS:
2491                 return qla27xx_get_flash_upd_cap(bsg_job);
2492
2493         case QL_VND_SET_FLASH_UPDATE_CAPS:
2494                 return qla27xx_set_flash_upd_cap(bsg_job);
2495
2496         case QL_VND_GET_BBCR_DATA:
2497                 return qla27xx_get_bbcr_data(bsg_job);
2498
2499         case QL_VND_GET_PRIV_STATS:
2500         case QL_VND_GET_PRIV_STATS_EX:
2501                 return qla2x00_get_priv_stats(bsg_job);
2502
2503         case QL_VND_DPORT_DIAGNOSTICS:
2504                 return qla2x00_do_dport_diagnostics(bsg_job);
2505
2506         case QL_VND_SS_GET_FLASH_IMAGE_STATUS:
2507                 return qla2x00_get_flash_image_status(bsg_job);
2508
2509         default:
2510                 return -ENOSYS;
2511         }
2512 }
2513
2514 int
2515 qla24xx_bsg_request(struct bsg_job *bsg_job)
2516 {
2517         struct fc_bsg_request *bsg_request = bsg_job->request;
2518         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2519         int ret = -EINVAL;
2520         struct fc_rport *rport;
2521         struct Scsi_Host *host;
2522         scsi_qla_host_t *vha;
2523
2524         /* In case no data transferred. */
2525         bsg_reply->reply_payload_rcv_len = 0;
2526
2527         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2528                 rport = fc_bsg_to_rport(bsg_job);
2529                 host = rport_to_shost(rport);
2530                 vha = shost_priv(host);
2531         } else {
2532                 host = fc_bsg_to_shost(bsg_job);
2533                 vha = shost_priv(host);
2534         }
2535
2536         if (qla2x00_chip_is_down(vha)) {
2537                 ql_dbg(ql_dbg_user, vha, 0x709f,
2538                     "BSG: ISP abort active/needed -- cmd=%d.\n",
2539                     bsg_request->msgcode);
2540                 return -EBUSY;
2541         }
2542
2543         ql_dbg(ql_dbg_user, vha, 0x7000,
2544             "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2545
2546         switch (bsg_request->msgcode) {
2547         case FC_BSG_RPT_ELS:
2548         case FC_BSG_HST_ELS_NOLOGIN:
2549                 ret = qla2x00_process_els(bsg_job);
2550                 break;
2551         case FC_BSG_HST_CT:
2552                 ret = qla2x00_process_ct(bsg_job);
2553                 break;
2554         case FC_BSG_HST_VENDOR:
2555                 ret = qla2x00_process_vendor_specific(bsg_job);
2556                 break;
2557         case FC_BSG_HST_ADD_RPORT:
2558         case FC_BSG_HST_DEL_RPORT:
2559         case FC_BSG_RPT_CT:
2560         default:
2561                 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2562                 break;
2563         }
2564         return ret;
2565 }
2566
2567 int
2568 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2569 {
2570         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2571         scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2572         struct qla_hw_data *ha = vha->hw;
2573         srb_t *sp;
2574         int cnt, que;
2575         unsigned long flags;
2576         struct req_que *req;
2577
2578         /* find the bsg job from the active list of commands */
2579         spin_lock_irqsave(&ha->hardware_lock, flags);
2580         for (que = 0; que < ha->max_req_queues; que++) {
2581                 req = ha->req_q_map[que];
2582                 if (!req)
2583                         continue;
2584
2585                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2586                         sp = req->outstanding_cmds[cnt];
2587                         if (sp) {
2588                                 if (((sp->type == SRB_CT_CMD) ||
2589                                         (sp->type == SRB_ELS_CMD_HST) ||
2590                                         (sp->type == SRB_FXIOCB_BCMD))
2591                                         && (sp->u.bsg_job == bsg_job)) {
2592                                         req->outstanding_cmds[cnt] = NULL;
2593                                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2594                                         if (ha->isp_ops->abort_command(sp)) {
2595                                                 ql_log(ql_log_warn, vha, 0x7089,
2596                                                     "mbx abort_command "
2597                                                     "failed.\n");
2598                                                 bsg_reply->result = -EIO;
2599                                         } else {
2600                                                 ql_dbg(ql_dbg_user, vha, 0x708a,
2601                                                     "mbx abort_command "
2602                                                     "success.\n");
2603                                                 bsg_reply->result = 0;
2604                                         }
2605                                         spin_lock_irqsave(&ha->hardware_lock, flags);
2606                                         goto done;
2607                                 }
2608                         }
2609                 }
2610         }
2611         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2612         ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2613         bsg_reply->result = -ENXIO;
2614         return 0;
2615
2616 done:
2617         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2618         sp->free(sp);
2619         return 0;
2620 }