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 (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
  88                         bcode[3] != 'S') {
  89                 /* Invalid FCP priority data header*/
  90                 ql_dbg(ql_dbg_user, vha, 0x7052,
  91                     "Invalid FCP Priority data header. bcode=0x%x.\n",
  92                     bcode_val);
  93                 return 0;
  94         }
  95         if (flag != 1)
  96                 return ret;
  97
  98         pri_entry = &pri_cfg->entry[0];
  99         for (i = 0; i < pri_cfg->num_entries; i++) {
 100                 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
 101                         num_valid++;
 102                 pri_entry++;
 103         }
 104
 105         if (num_valid == 0) {
 106                 /* No valid FCP priority data entries */
 107                 ql_dbg(ql_dbg_user, vha, 0x7053,
 108                     "No valid FCP Priority data entries.\n");
 109                 ret = 0;
 110         } else {
 111                 /* FCP priority data is valid */
 112                 ql_dbg(ql_dbg_user, vha, 0x7054,
 113                     "Valid FCP priority data. num entries = %d.\n",
 114                     num_valid);
 115         }
 116
 117         return ret;
 118 }
 119
 120 static int
 121 qla24xx_proc_fcp_prio_cfg_cmd(struct bsg_job *bsg_job)
 122 {
 123         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 124         struct fc_bsg_request *bsg_request = bsg_job->request;
 125         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 126         scsi_qla_host_t *vha = shost_priv(host);
 127         struct qla_hw_data *ha = vha->hw;
 128         int ret = 0;
 129         uint32_t len;
 130         uint32_t oper;
 131
 132         if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
 133                 ret = -EINVAL;
 134                 goto exit_fcp_prio_cfg;
 135         }
 136
 137         /* Get the sub command */
 138         oper = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
 139
 140         /* Only set config is allowed if config memory is not allocated */
 141         if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
 142                 ret = -EINVAL;
 143                 goto exit_fcp_prio_cfg;
 144         }
 145         switch (oper) {
 146         case QLFC_FCP_PRIO_DISABLE:
 147                 if (ha->flags.fcp_prio_enabled) {
 148                         ha->flags.fcp_prio_enabled = 0;
 149                         ha->fcp_prio_cfg->attributes &=
 150                                 ~FCP_PRIO_ATTR_ENABLE;
 151                         qla24xx_update_all_fcp_prio(vha);
 152                         bsg_reply->result = DID_OK;
 153                 } else {
 154                         ret = -EINVAL;
 155                         bsg_reply->result = (DID_ERROR << 16);
 156                         goto exit_fcp_prio_cfg;
 157                 }
 158                 break;
 159
 160         case QLFC_FCP_PRIO_ENABLE:
 161                 if (!ha->flags.fcp_prio_enabled) {
 162                         if (ha->fcp_prio_cfg) {
 163                                 ha->flags.fcp_prio_enabled = 1;
 164                                 ha->fcp_prio_cfg->attributes |=
 165                                     FCP_PRIO_ATTR_ENABLE;
 166                                 qla24xx_update_all_fcp_prio(vha);
 167                                 bsg_reply->result = DID_OK;
 168                         } else {
 169                                 ret = -EINVAL;
 170                                 bsg_reply->result = (DID_ERROR << 16);
 171                                 goto exit_fcp_prio_cfg;
 172                         }
 173                 }
 174                 break;
 175
 176         case QLFC_FCP_PRIO_GET_CONFIG:
 177                 len = bsg_job->reply_payload.payload_len;
 178                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 179                         ret = -EINVAL;
 180                         bsg_reply->result = (DID_ERROR << 16);
 181                         goto exit_fcp_prio_cfg;
 182                 }
 183
 184                 bsg_reply->result = DID_OK;
 185                 bsg_reply->reply_payload_rcv_len =
 186                         sg_copy_from_buffer(
 187                         bsg_job->reply_payload.sg_list,
 188                         bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
 189                         len);
 190
 191                 break;
 192
 193         case QLFC_FCP_PRIO_SET_CONFIG:
 194                 len = bsg_job->request_payload.payload_len;
 195                 if (!len || len > FCP_PRIO_CFG_SIZE) {
 196                         bsg_reply->result = (DID_ERROR << 16);
 197                         ret = -EINVAL;
 198                         goto exit_fcp_prio_cfg;
 199                 }
 200
 201                 if (!ha->fcp_prio_cfg) {
 202                         ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
 203                         if (!ha->fcp_prio_cfg) {
 204                                 ql_log(ql_log_warn, vha, 0x7050,
 205                                     "Unable to allocate memory for fcp prio "
 206                                     "config data (%x).\n", FCP_PRIO_CFG_SIZE);
 207                                 bsg_reply->result = (DID_ERROR << 16);
 208                                 ret = -ENOMEM;
 209                                 goto exit_fcp_prio_cfg;
 210                         }
 211                 }
 212
 213                 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
 214                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 215                 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
 216                         FCP_PRIO_CFG_SIZE);
 217
 218                 /* validate fcp priority data */
 219
 220                 if (!qla24xx_fcp_prio_cfg_valid(vha,
 221                     (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
 222                         bsg_reply->result = (DID_ERROR << 16);
 223                         ret = -EINVAL;
 224                         /* If buffer was invalidatic int
 225                          * fcp_prio_cfg is of no use
 226                          */
 227                         vfree(ha->fcp_prio_cfg);
 228                         ha->fcp_prio_cfg = NULL;
 229                         goto exit_fcp_prio_cfg;
 230                 }
 231
 232                 ha->flags.fcp_prio_enabled = 0;
 233                 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
 234                         ha->flags.fcp_prio_enabled = 1;
 235                 qla24xx_update_all_fcp_prio(vha);
 236                 bsg_reply->result = DID_OK;
 237                 break;
 238         default:
 239                 ret = -EINVAL;
 240                 break;
 241         }
 242 exit_fcp_prio_cfg:
 243         if (!ret)
 244                 bsg_job_done(bsg_job, bsg_reply->result,
 245                                bsg_reply->reply_payload_rcv_len);
 246         return ret;
 247 }
 248
 249 static int
 250 qla2x00_process_els(struct bsg_job *bsg_job)
 251 {
 252         struct fc_bsg_request *bsg_request = bsg_job->request;
 253         struct fc_rport *rport;
 254         fc_port_t *fcport = NULL;
 255         struct Scsi_Host *host;
 256         scsi_qla_host_t *vha;
 257         struct qla_hw_data *ha;
 258         srb_t *sp;
 259         const char *type;
 260         int req_sg_cnt, rsp_sg_cnt;
 261         int rval =  (DRIVER_ERROR << 16);
 262         uint16_t nextlid = 0;
 263
 264         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 265                 rport = fc_bsg_to_rport(bsg_job);
 266                 fcport = *(fc_port_t **) rport->dd_data;
 267                 host = rport_to_shost(rport);
 268                 vha = shost_priv(host);
 269                 ha = vha->hw;
 270                 type = "FC_BSG_RPT_ELS";
 271         } else {
 272                 host = fc_bsg_to_shost(bsg_job);
 273                 vha = shost_priv(host);
 274                 ha = vha->hw;
 275                 type = "FC_BSG_HST_ELS_NOLOGIN";
 276         }
 277
 278         if (!vha->flags.online) {
 279                 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
 280                 rval = -EIO;
 281                 goto done;
 282         }
 283
 284         /* pass through is supported only for ISP 4Gb or higher */
 285         if (!IS_FWI2_CAPABLE(ha)) {
 286                 ql_dbg(ql_dbg_user, vha, 0x7001,
 287                     "ELS passthru not supported for ISP23xx based adapters.\n");
 288                 rval = -EPERM;
 289                 goto done;
 290         }
 291
 292         /*  Multiple SG's are not supported for ELS requests */
 293         if (bsg_job->request_payload.sg_cnt > 1 ||
 294                 bsg_job->reply_payload.sg_cnt > 1) {
 295                 ql_dbg(ql_dbg_user, vha, 0x7002,
 296                     "Multiple SG's are not suppored for ELS requests, "
 297                     "request_sg_cnt=%x reply_sg_cnt=%x.\n",
 298                     bsg_job->request_payload.sg_cnt,
 299                     bsg_job->reply_payload.sg_cnt);
 300                 rval = -EPERM;
 301                 goto done;
 302         }
 303
 304         /* ELS request for rport */
 305         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 306                 /* make sure the rport is logged in,
 307                  * if not perform fabric login
 308                  */
 309                 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
 310                         ql_dbg(ql_dbg_user, vha, 0x7003,
 311                             "Failed to login port %06X for ELS passthru.\n",
 312                             fcport->d_id.b24);
 313                         rval = -EIO;
 314                         goto done;
 315                 }
 316         } else {
 317                 /* Allocate a dummy fcport structure, since functions
 318                  * preparing the IOCB and mailbox command retrieves port
 319                  * specific information from fcport structure. For Host based
 320                  * ELS commands there will be no fcport structure allocated
 321                  */
 322                 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 323                 if (!fcport) {
 324                         rval = -ENOMEM;
 325                         goto done;
 326                 }
 327
 328                 /* Initialize all required  fields of fcport */
 329                 fcport->vha = vha;
 330                 fcport->d_id.b.al_pa =
 331                         bsg_request->rqst_data.h_els.port_id[0];
 332                 fcport->d_id.b.area =
 333                         bsg_request->rqst_data.h_els.port_id[1];
 334                 fcport->d_id.b.domain =
 335                         bsg_request->rqst_data.h_els.port_id[2];
 336                 fcport->loop_id =
 337                         (fcport->d_id.b.al_pa == 0xFD) ?
 338                         NPH_FABRIC_CONTROLLER : NPH_F_PORT;
 339         }
 340
 341         req_sg_cnt =
 342                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 343                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 344         if (!req_sg_cnt) {
 345                 rval = -ENOMEM;
 346                 goto done_free_fcport;
 347         }
 348
 349         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 350                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 351         if (!rsp_sg_cnt) {
 352                 rval = -ENOMEM;
 353                 goto done_free_fcport;
 354         }
 355
 356         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 357                 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 358                 ql_log(ql_log_warn, vha, 0x7008,
 359                     "dma mapping resulted in different sg counts, "
 360                     "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
 361                     "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
 362                     req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
 363                 rval = -EAGAIN;
 364                 goto done_unmap_sg;
 365         }
 366
 367         /* Alloc SRB structure */
 368         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 369         if (!sp) {
 370                 rval = -ENOMEM;
 371                 goto done_unmap_sg;
 372         }
 373
 374         sp->type =
 375                 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
 376                  SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
 377         sp->name =
 378                 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
 379                  "bsg_els_rpt" : "bsg_els_hst");
 380         sp->u.bsg_job = bsg_job;
 381         sp->free = qla2x00_bsg_sp_free;
 382         sp->done = qla2x00_bsg_job_done;
 383
 384         ql_dbg(ql_dbg_user, vha, 0x700a,
 385             "bsg rqst type: %s els type: %x - loop-id=%x "
 386             "portid=%-2x%02x%02x.\n", type,
 387             bsg_request->rqst_data.h_els.command_code, fcport->loop_id,
 388             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
 389
 390         rval = qla2x00_start_sp(sp);
 391         if (rval != QLA_SUCCESS) {
 392                 ql_log(ql_log_warn, vha, 0x700e,
 393                     "qla2x00_start_sp failed = %d\n", rval);
 394                 qla2x00_rel_sp(sp);
 395                 rval = -EIO;
 396                 goto done_unmap_sg;
 397         }
 398         return rval;
 399
 400 done_unmap_sg:
 401         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 402                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 403         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 404                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 405         goto done_free_fcport;
 406
 407 done_free_fcport:
 408         if (bsg_request->msgcode == FC_BSG_RPT_ELS)
 409                 kfree(fcport);
 410 done:
 411         return rval;
 412 }
 413
 414 static inline uint16_t
 415 qla24xx_calc_ct_iocbs(uint16_t dsds)
 416 {
 417         uint16_t iocbs;
 418
 419         iocbs = 1;
 420         if (dsds > 2) {
 421                 iocbs += (dsds - 2) / 5;
 422                 if ((dsds - 2) % 5)
 423                         iocbs++;
 424         }
 425         return iocbs;
 426 }
 427
 428 static int
 429 qla2x00_process_ct(struct bsg_job *bsg_job)
 430 {
 431         srb_t *sp;
 432         struct fc_bsg_request *bsg_request = bsg_job->request;
 433         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 434         scsi_qla_host_t *vha = shost_priv(host);
 435         struct qla_hw_data *ha = vha->hw;
 436         int rval = (DRIVER_ERROR << 16);
 437         int req_sg_cnt, rsp_sg_cnt;
 438         uint16_t loop_id;
 439         struct fc_port *fcport;
 440         char  *type = "FC_BSG_HST_CT";
 441
 442         req_sg_cnt =
 443                 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 444                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 445         if (!req_sg_cnt) {
 446                 ql_log(ql_log_warn, vha, 0x700f,
 447                     "dma_map_sg return %d for request\n", req_sg_cnt);
 448                 rval = -ENOMEM;
 449                 goto done;
 450         }
 451
 452         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 453                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 454         if (!rsp_sg_cnt) {
 455                 ql_log(ql_log_warn, vha, 0x7010,
 456                     "dma_map_sg return %d for reply\n", rsp_sg_cnt);
 457                 rval = -ENOMEM;
 458                 goto done;
 459         }
 460
 461         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 462             (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 463                 ql_log(ql_log_warn, vha, 0x7011,
 464                     "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
 465                     "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
 466                     req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
 467                 rval = -EAGAIN;
 468                 goto done_unmap_sg;
 469         }
 470
 471         if (!vha->flags.online) {
 472                 ql_log(ql_log_warn, vha, 0x7012,
 473                     "Host is not online.\n");
 474                 rval = -EIO;
 475                 goto done_unmap_sg;
 476         }
 477
 478         loop_id =
 479                 (bsg_request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
 480                         >> 24;
 481         switch (loop_id) {
 482         case 0xFC:
 483                 loop_id = cpu_to_le16(NPH_SNS);
 484                 break;
 485         case 0xFA:
 486                 loop_id = vha->mgmt_svr_loop_id;
 487                 break;
 488         default:
 489                 ql_dbg(ql_dbg_user, vha, 0x7013,
 490                     "Unknown loop id: %x.\n", loop_id);
 491                 rval = -EINVAL;
 492                 goto done_unmap_sg;
 493         }
 494
 495         /* Allocate a dummy fcport structure, since functions preparing the
 496          * IOCB and mailbox command retrieves port specific information
 497          * from fcport structure. For Host based ELS commands there will be
 498          * no fcport structure allocated
 499          */
 500         fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
 501         if (!fcport) {
 502                 ql_log(ql_log_warn, vha, 0x7014,
 503                     "Failed to allocate fcport.\n");
 504                 rval = -ENOMEM;
 505                 goto done_unmap_sg;
 506         }
 507
 508         /* Initialize all required  fields of fcport */
 509         fcport->vha = vha;
 510         fcport->d_id.b.al_pa = bsg_request->rqst_data.h_ct.port_id[0];
 511         fcport->d_id.b.area = bsg_request->rqst_data.h_ct.port_id[1];
 512         fcport->d_id.b.domain = bsg_request->rqst_data.h_ct.port_id[2];
 513         fcport->loop_id = loop_id;
 514
 515         /* Alloc SRB structure */
 516         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 517         if (!sp) {
 518                 ql_log(ql_log_warn, vha, 0x7015,
 519                     "qla2x00_get_sp failed.\n");
 520                 rval = -ENOMEM;
 521                 goto done_free_fcport;
 522         }
 523
 524         sp->type = SRB_CT_CMD;
 525         sp->name = "bsg_ct";
 526         sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
 527         sp->u.bsg_job = bsg_job;
 528         sp->free = qla2x00_bsg_sp_free;
 529         sp->done = qla2x00_bsg_job_done;
 530
 531         ql_dbg(ql_dbg_user, vha, 0x7016,
 532             "bsg rqst type: %s else type: %x - "
 533             "loop-id=%x portid=%02x%02x%02x.\n", type,
 534             (bsg_request->rqst_data.h_ct.preamble_word2 >> 16),
 535             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 536             fcport->d_id.b.al_pa);
 537
 538         rval = qla2x00_start_sp(sp);
 539         if (rval != QLA_SUCCESS) {
 540                 ql_log(ql_log_warn, vha, 0x7017,
 541                     "qla2x00_start_sp failed=%d.\n", rval);
 542                 qla2x00_rel_sp(sp);
 543                 rval = -EIO;
 544                 goto done_free_fcport;
 545         }
 546         return rval;
 547
 548 done_free_fcport:
 549         kfree(fcport);
 550 done_unmap_sg:
 551         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 552                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
 553         dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
 554                 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
 555 done:
 556         return rval;
 557 }
 558
 559 /* Disable loopback mode */
 560 static inline int
 561 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
 562                             int wait, int wait2)
 563 {
 564         int ret = 0;
 565         int rval = 0;
 566         uint16_t new_config[4];
 567         struct qla_hw_data *ha = vha->hw;
 568
 569         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
 570                 goto done_reset_internal;
 571
 572         memset(new_config, 0 , sizeof(new_config));
 573         if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
 574             ENABLE_INTERNAL_LOOPBACK ||
 575             (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
 576             ENABLE_EXTERNAL_LOOPBACK) {
 577                 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
 578                 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
 579                     (new_config[0] & INTERNAL_LOOPBACK_MASK));
 580                 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
 581
 582                 ha->notify_dcbx_comp = wait;
 583                 ha->notify_lb_portup_comp = wait2;
 584
 585                 ret = qla81xx_set_port_config(vha, new_config);
 586                 if (ret != QLA_SUCCESS) {
 587                         ql_log(ql_log_warn, vha, 0x7025,
 588                             "Set port config failed.\n");
 589                         ha->notify_dcbx_comp = 0;
 590                         ha->notify_lb_portup_comp = 0;
 591                         rval = -EINVAL;
 592                         goto done_reset_internal;
 593                 }
 594
 595                 /* Wait for DCBX complete event */
 596                 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
 597                         (DCBX_COMP_TIMEOUT * HZ))) {
 598                         ql_dbg(ql_dbg_user, vha, 0x7026,
 599                             "DCBX completion not received.\n");
 600                         ha->notify_dcbx_comp = 0;
 601                         ha->notify_lb_portup_comp = 0;
 602                         rval = -EINVAL;
 603                         goto done_reset_internal;
 604                 } else
 605                         ql_dbg(ql_dbg_user, vha, 0x7027,
 606                             "DCBX completion received.\n");
 607
 608                 if (wait2 &&
 609                     !wait_for_completion_timeout(&ha->lb_portup_comp,
 610                     (LB_PORTUP_COMP_TIMEOUT * HZ))) {
 611                         ql_dbg(ql_dbg_user, vha, 0x70c5,
 612                             "Port up completion not received.\n");
 613                         ha->notify_lb_portup_comp = 0;
 614                         rval = -EINVAL;
 615                         goto done_reset_internal;
 616                 } else
 617                         ql_dbg(ql_dbg_user, vha, 0x70c6,
 618                             "Port up completion received.\n");
 619
 620                 ha->notify_dcbx_comp = 0;
 621                 ha->notify_lb_portup_comp = 0;
 622         }
 623 done_reset_internal:
 624         return rval;
 625 }
 626
 627 /*
 628  * Set the port configuration to enable the internal or external loopback
 629  * depending on the loopback mode.
 630  */
 631 static inline int
 632 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
 633         uint16_t *new_config, uint16_t mode)
 634 {
 635         int ret = 0;
 636         int rval = 0;
 637         unsigned long rem_tmo = 0, current_tmo = 0;
 638         struct qla_hw_data *ha = vha->hw;
 639
 640         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
 641                 goto done_set_internal;
 642
 643         if (mode == INTERNAL_LOOPBACK)
 644                 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
 645         else if (mode == EXTERNAL_LOOPBACK)
 646                 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
 647         ql_dbg(ql_dbg_user, vha, 0x70be,
 648              "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
 649
 650         memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
 651
 652         ha->notify_dcbx_comp = 1;
 653         ret = qla81xx_set_port_config(vha, new_config);
 654         if (ret != QLA_SUCCESS) {
 655                 ql_log(ql_log_warn, vha, 0x7021,
 656                     "set port config failed.\n");
 657                 ha->notify_dcbx_comp = 0;
 658                 rval = -EINVAL;
 659                 goto done_set_internal;
 660         }
 661
 662         /* Wait for DCBX complete event */
 663         current_tmo = DCBX_COMP_TIMEOUT * HZ;
 664         while (1) {
 665                 rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
 666                     current_tmo);
 667                 if (!ha->idc_extend_tmo || rem_tmo) {
 668                         ha->idc_extend_tmo = 0;
 669                         break;
 670                 }
 671                 current_tmo = ha->idc_extend_tmo * HZ;
 672                 ha->idc_extend_tmo = 0;
 673         }
 674
 675         if (!rem_tmo) {
 676                 ql_dbg(ql_dbg_user, vha, 0x7022,
 677                     "DCBX completion not received.\n");
 678                 ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
 679                 /*
 680                  * If the reset of the loopback mode doesn't work take a FCoE
 681                  * dump and reset the chip.
 682                  */
 683                 if (ret) {
 684                         ha->isp_ops->fw_dump(vha, 0);
 685                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 686                 }
 687                 rval = -EINVAL;
 688         } else {
 689                 if (ha->flags.idc_compl_status) {
 690                         ql_dbg(ql_dbg_user, vha, 0x70c3,
 691                             "Bad status in IDC Completion AEN\n");
 692                         rval = -EINVAL;
 693                         ha->flags.idc_compl_status = 0;
 694                 } else
 695                         ql_dbg(ql_dbg_user, vha, 0x7023,
 696                             "DCBX completion received.\n");
 697         }
 698
 699         ha->notify_dcbx_comp = 0;
 700         ha->idc_extend_tmo = 0;
 701
 702 done_set_internal:
 703         return rval;
 704 }
 705
 706 static int
 707 qla2x00_process_loopback(struct bsg_job *bsg_job)
 708 {
 709         struct fc_bsg_request *bsg_request = bsg_job->request;
 710         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 711         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
 712         scsi_qla_host_t *vha = shost_priv(host);
 713         struct qla_hw_data *ha = vha->hw;
 714         int rval;
 715         uint8_t command_sent;
 716         char *type;
 717         struct msg_echo_lb elreq;
 718         uint16_t response[MAILBOX_REGISTER_COUNT];
 719         uint16_t config[4], new_config[4];
 720         uint8_t *fw_sts_ptr;
 721         uint8_t *req_data = NULL;
 722         dma_addr_t req_data_dma;
 723         uint32_t req_data_len;
 724         uint8_t *rsp_data = NULL;
 725         dma_addr_t rsp_data_dma;
 726         uint32_t rsp_data_len;
 727
 728         if (!vha->flags.online) {
 729                 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
 730                 return -EIO;
 731         }
 732
 733         elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
 734                 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
 735                 DMA_TO_DEVICE);
 736
 737         if (!elreq.req_sg_cnt) {
 738                 ql_log(ql_log_warn, vha, 0x701a,
 739                     "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
 740                 return -ENOMEM;
 741         }
 742
 743         elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
 744                 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
 745                 DMA_FROM_DEVICE);
 746
 747         if (!elreq.rsp_sg_cnt) {
 748                 ql_log(ql_log_warn, vha, 0x701b,
 749                     "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
 750                 rval = -ENOMEM;
 751                 goto done_unmap_req_sg;
 752         }
 753
 754         if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 755                 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 756                 ql_log(ql_log_warn, vha, 0x701c,
 757                     "dma mapping resulted in different sg counts, "
 758                     "request_sg_cnt: %x dma_request_sg_cnt: %x "
 759                     "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
 760                     bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
 761                     bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
 762                 rval = -EAGAIN;
 763                 goto done_unmap_sg;
 764         }
 765         req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
 766         req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
 767                 &req_data_dma, GFP_KERNEL);
 768         if (!req_data) {
 769                 ql_log(ql_log_warn, vha, 0x701d,
 770                     "dma alloc failed for req_data.\n");
 771                 rval = -ENOMEM;
 772                 goto done_unmap_sg;
 773         }
 774
 775         rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
 776                 &rsp_data_dma, GFP_KERNEL);
 777         if (!rsp_data) {
 778                 ql_log(ql_log_warn, vha, 0x7004,
 779                     "dma alloc failed for rsp_data.\n");
 780                 rval = -ENOMEM;
 781                 goto done_free_dma_req;
 782         }
 783
 784         /* Copy the request buffer in req_data now */
 785         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 786                 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
 787
 788         elreq.send_dma = req_data_dma;
 789         elreq.rcv_dma = rsp_data_dma;
 790         elreq.transfer_size = req_data_len;
 791
 792         elreq.options = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
 793         elreq.iteration_count =
 794             bsg_request->rqst_data.h_vendor.vendor_cmd[2];
 795
 796         if (atomic_read(&vha->loop_state) == LOOP_READY &&
 797             (ha->current_topology == ISP_CFG_F ||
 798             ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) &&
 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 = ((uint8_t *)scsi_req(bsg_job->req)->sense) +
 922             sizeof(struct fc_bsg_reply);
 923         memcpy(fw_sts_ptr, response, 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_alloc(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 = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
1047
1048         memset(mn, 0, sizeof(struct access_chip_84xx));
1049         mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1050         mn->entry_count = 1;
1051
1052         options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1053         if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1054                 options |= VCO_DIAG_FW;
1055
1056         mn->options = cpu_to_le16(options);
1057         mn->fw_ver =  cpu_to_le32(fw_ver);
1058         mn->fw_size =  cpu_to_le32(data_len);
1059         mn->fw_seq_size =  cpu_to_le32(data_len);
1060         mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
1061         mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
1062         mn->dseg_length = cpu_to_le32(data_len);
1063         mn->data_seg_cnt = cpu_to_le16(1);
1064
1065         rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1066
1067         if (rval) {
1068                 ql_log(ql_log_warn, vha, 0x7037,
1069                     "Vendor request 84xx updatefw failed.\n");
1070
1071                 rval = (DID_ERROR << 16);
1072         } else {
1073                 ql_dbg(ql_dbg_user, vha, 0x7038,
1074                     "Vendor request 84xx updatefw completed.\n");
1075
1076                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1077                 bsg_reply->result = DID_OK;
1078         }
1079
1080         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1081
1082 done_free_fw_buf:
1083         dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1084
1085 done_unmap_sg:
1086         dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1087                 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1088
1089         if (!rval)
1090                 bsg_job_done(bsg_job, bsg_reply->result,
1091                                bsg_reply->reply_payload_rcv_len);
1092         return rval;
1093 }
1094
1095 static int
1096 qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
1097 {
1098         struct fc_bsg_request *bsg_request = bsg_job->request;
1099         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1100         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1101         scsi_qla_host_t *vha = shost_priv(host);
1102         struct qla_hw_data *ha = vha->hw;
1103         struct access_chip_84xx *mn = NULL;
1104         dma_addr_t mn_dma, mgmt_dma;
1105         void *mgmt_b = NULL;
1106         int rval = 0;
1107         struct qla_bsg_a84_mgmt *ql84_mgmt;
1108         uint32_t sg_cnt;
1109         uint32_t data_len = 0;
1110         uint32_t dma_direction = DMA_NONE;
1111
1112         if (!IS_QLA84XX(ha)) {
1113                 ql_log(ql_log_warn, vha, 0x703a,
1114                     "Not 84xx, exiting.\n");
1115                 return -EINVAL;
1116         }
1117
1118         mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1119         if (!mn) {
1120                 ql_log(ql_log_warn, vha, 0x703c,
1121                     "DMA alloc failed for fw buffer.\n");
1122                 return -ENOMEM;
1123         }
1124
1125         memset(mn, 0, sizeof(struct access_chip_84xx));
1126         mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1127         mn->entry_count = 1;
1128         ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
1129         switch (ql84_mgmt->mgmt.cmd) {
1130         case QLA84_MGMT_READ_MEM:
1131         case QLA84_MGMT_GET_INFO:
1132                 sg_cnt = dma_map_sg(&ha->pdev->dev,
1133                         bsg_job->reply_payload.sg_list,
1134                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1135                 if (!sg_cnt) {
1136                         ql_log(ql_log_warn, vha, 0x703d,
1137                             "dma_map_sg returned %d for reply.\n", sg_cnt);
1138                         rval = -ENOMEM;
1139                         goto exit_mgmt;
1140                 }
1141
1142                 dma_direction = DMA_FROM_DEVICE;
1143
1144                 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1145                         ql_log(ql_log_warn, vha, 0x703e,
1146                             "DMA mapping resulted in different sg counts, "
1147                             "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1148                             bsg_job->reply_payload.sg_cnt, sg_cnt);
1149                         rval = -EAGAIN;
1150                         goto done_unmap_sg;
1151                 }
1152
1153                 data_len = bsg_job->reply_payload.payload_len;
1154
1155                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1156                     &mgmt_dma, GFP_KERNEL);
1157                 if (!mgmt_b) {
1158                         ql_log(ql_log_warn, vha, 0x703f,
1159                             "DMA alloc failed for mgmt_b.\n");
1160                         rval = -ENOMEM;
1161                         goto done_unmap_sg;
1162                 }
1163
1164                 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1165                         mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1166                         mn->parameter1 =
1167                                 cpu_to_le32(
1168                                 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1169
1170                 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1171                         mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1172                         mn->parameter1 =
1173                                 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1174
1175                         mn->parameter2 =
1176                                 cpu_to_le32(
1177                                 ql84_mgmt->mgmt.mgmtp.u.info.context);
1178                 }
1179                 break;
1180
1181         case QLA84_MGMT_WRITE_MEM:
1182                 sg_cnt = dma_map_sg(&ha->pdev->dev,
1183                         bsg_job->request_payload.sg_list,
1184                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1185
1186                 if (!sg_cnt) {
1187                         ql_log(ql_log_warn, vha, 0x7040,
1188                             "dma_map_sg returned %d.\n", sg_cnt);
1189                         rval = -ENOMEM;
1190                         goto exit_mgmt;
1191                 }
1192
1193                 dma_direction = DMA_TO_DEVICE;
1194
1195                 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1196                         ql_log(ql_log_warn, vha, 0x7041,
1197                             "DMA mapping resulted in different sg counts, "
1198                             "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1199                             bsg_job->request_payload.sg_cnt, sg_cnt);
1200                         rval = -EAGAIN;
1201                         goto done_unmap_sg;
1202                 }
1203
1204                 data_len = bsg_job->request_payload.payload_len;
1205                 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1206                         &mgmt_dma, GFP_KERNEL);
1207                 if (!mgmt_b) {
1208                         ql_log(ql_log_warn, vha, 0x7042,
1209                             "DMA alloc failed for mgmt_b.\n");
1210                         rval = -ENOMEM;
1211                         goto done_unmap_sg;
1212                 }
1213
1214                 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1215                         bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1216
1217                 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1218                 mn->parameter1 =
1219                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1220                 break;
1221
1222         case QLA84_MGMT_CHNG_CONFIG:
1223                 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1224                 mn->parameter1 =
1225                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1226
1227                 mn->parameter2 =
1228                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1229
1230                 mn->parameter3 =
1231                         cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1232                 break;
1233
1234         default:
1235                 rval = -EIO;
1236                 goto exit_mgmt;
1237         }
1238
1239         if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1240                 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1241                 mn->dseg_count = cpu_to_le16(1);
1242                 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1243                 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1244                 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1245         }
1246
1247         rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1248
1249         if (rval) {
1250                 ql_log(ql_log_warn, vha, 0x7043,
1251                     "Vendor request 84xx mgmt failed.\n");
1252
1253                 rval = (DID_ERROR << 16);
1254
1255         } else {
1256                 ql_dbg(ql_dbg_user, vha, 0x7044,
1257                     "Vendor request 84xx mgmt completed.\n");
1258
1259                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1260                 bsg_reply->result = DID_OK;
1261
1262                 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1263                         (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1264                         bsg_reply->reply_payload_rcv_len =
1265                                 bsg_job->reply_payload.payload_len;
1266
1267                         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1268                                 bsg_job->reply_payload.sg_cnt, mgmt_b,
1269                                 data_len);
1270                 }
1271         }
1272
1273 done_unmap_sg:
1274         if (mgmt_b)
1275                 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1276
1277         if (dma_direction == DMA_TO_DEVICE)
1278                 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1279                         bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1280         else if (dma_direction == DMA_FROM_DEVICE)
1281                 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1282                         bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1283
1284 exit_mgmt:
1285         dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1286
1287         if (!rval)
1288                 bsg_job_done(bsg_job, bsg_reply->result,
1289                                bsg_reply->reply_payload_rcv_len);
1290         return rval;
1291 }
1292
1293 static int
1294 qla24xx_iidma(struct bsg_job *bsg_job)
1295 {
1296         struct fc_bsg_request *bsg_request = bsg_job->request;
1297         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1298         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1299         scsi_qla_host_t *vha = shost_priv(host);
1300         int rval = 0;
1301         struct qla_port_param *port_param = NULL;
1302         fc_port_t *fcport = NULL;
1303         int found = 0;
1304         uint16_t mb[MAILBOX_REGISTER_COUNT];
1305         uint8_t *rsp_ptr = NULL;
1306
1307         if (!IS_IIDMA_CAPABLE(vha->hw)) {
1308                 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1309                 return -EINVAL;
1310         }
1311
1312         port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
1313         if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1314                 ql_log(ql_log_warn, vha, 0x7048,
1315                     "Invalid destination type.\n");
1316                 return -EINVAL;
1317         }
1318
1319         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1320                 if (fcport->port_type != FCT_TARGET)
1321                         continue;
1322
1323                 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1324                         fcport->port_name, sizeof(fcport->port_name)))
1325                         continue;
1326
1327                 found = 1;
1328                 break;
1329         }
1330
1331         if (!found) {
1332                 ql_log(ql_log_warn, vha, 0x7049,
1333                     "Failed to find port.\n");
1334                 return -EINVAL;
1335         }
1336
1337         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1338                 ql_log(ql_log_warn, vha, 0x704a,
1339                     "Port is not online.\n");
1340                 return -EINVAL;
1341         }
1342
1343         if (fcport->flags & FCF_LOGIN_NEEDED) {
1344                 ql_log(ql_log_warn, vha, 0x704b,
1345                     "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1346                 return -EINVAL;
1347         }
1348
1349         if (port_param->mode)
1350                 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1351                         port_param->speed, mb);
1352         else
1353                 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1354                         &port_param->speed, mb);
1355
1356         if (rval) {
1357                 ql_log(ql_log_warn, vha, 0x704c,
1358                     "iIDMA cmd failed for %8phN -- "
1359                     "%04x %x %04x %04x.\n", fcport->port_name,
1360                     rval, fcport->fp_speed, mb[0], mb[1]);
1361                 rval = (DID_ERROR << 16);
1362         } else {
1363                 if (!port_param->mode) {
1364                         bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1365                                 sizeof(struct qla_port_param);
1366
1367                         rsp_ptr = ((uint8_t *)bsg_reply) +
1368                                 sizeof(struct fc_bsg_reply);
1369
1370                         memcpy(rsp_ptr, port_param,
1371                                 sizeof(struct qla_port_param));
1372                 }
1373
1374                 bsg_reply->result = DID_OK;
1375                 bsg_job_done(bsg_job, bsg_reply->result,
1376                                bsg_reply->reply_payload_rcv_len);
1377         }
1378
1379         return rval;
1380 }
1381
1382 static int
1383 qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
1384         uint8_t is_update)
1385 {
1386         struct fc_bsg_request *bsg_request = bsg_job->request;
1387         uint32_t start = 0;
1388         int valid = 0;
1389         struct qla_hw_data *ha = vha->hw;
1390
1391         if (unlikely(pci_channel_offline(ha->pdev)))
1392                 return -EINVAL;
1393
1394         start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1395         if (start > ha->optrom_size) {
1396                 ql_log(ql_log_warn, vha, 0x7055,
1397                     "start %d > optrom_size %d.\n", start, ha->optrom_size);
1398                 return -EINVAL;
1399         }
1400
1401         if (ha->optrom_state != QLA_SWAITING) {
1402                 ql_log(ql_log_info, vha, 0x7056,
1403                     "optrom_state %d.\n", ha->optrom_state);
1404                 return -EBUSY;
1405         }
1406
1407         ha->optrom_region_start = start;
1408         ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1409         if (is_update) {
1410                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1411                         valid = 1;
1412                 else if (start == (ha->flt_region_boot * 4) ||
1413                     start == (ha->flt_region_fw * 4))
1414                         valid = 1;
1415                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1416                     IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha))
1417                         valid = 1;
1418                 if (!valid) {
1419                         ql_log(ql_log_warn, vha, 0x7058,
1420                             "Invalid start region 0x%x/0x%x.\n", start,
1421                             bsg_job->request_payload.payload_len);
1422                         return -EINVAL;
1423                 }
1424
1425                 ha->optrom_region_size = start +
1426                     bsg_job->request_payload.payload_len > ha->optrom_size ?
1427                     ha->optrom_size - start :
1428                     bsg_job->request_payload.payload_len;
1429                 ha->optrom_state = QLA_SWRITING;
1430         } else {
1431                 ha->optrom_region_size = start +
1432                     bsg_job->reply_payload.payload_len > ha->optrom_size ?
1433                     ha->optrom_size - start :
1434                     bsg_job->reply_payload.payload_len;
1435                 ha->optrom_state = QLA_SREADING;
1436         }
1437
1438         ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1439         if (!ha->optrom_buffer) {
1440                 ql_log(ql_log_warn, vha, 0x7059,
1441                     "Read: Unable to allocate memory for optrom retrieval "
1442                     "(%x)\n", ha->optrom_region_size);
1443
1444                 ha->optrom_state = QLA_SWAITING;
1445                 return -ENOMEM;
1446         }
1447
1448         memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1449         return 0;
1450 }
1451
1452 static int
1453 qla2x00_read_optrom(struct bsg_job *bsg_job)
1454 {
1455         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1456         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1457         scsi_qla_host_t *vha = shost_priv(host);
1458         struct qla_hw_data *ha = vha->hw;
1459         int rval = 0;
1460
1461         if (ha->flags.nic_core_reset_hdlr_active)
1462                 return -EBUSY;
1463
1464         mutex_lock(&ha->optrom_mutex);
1465         rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1466         if (rval) {
1467                 mutex_unlock(&ha->optrom_mutex);
1468                 return rval;
1469         }
1470
1471         ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1472             ha->optrom_region_start, ha->optrom_region_size);
1473
1474         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1475             bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1476             ha->optrom_region_size);
1477
1478         bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1479         bsg_reply->result = DID_OK;
1480         vfree(ha->optrom_buffer);
1481         ha->optrom_buffer = NULL;
1482         ha->optrom_state = QLA_SWAITING;
1483         mutex_unlock(&ha->optrom_mutex);
1484         bsg_job_done(bsg_job, bsg_reply->result,
1485                        bsg_reply->reply_payload_rcv_len);
1486         return rval;
1487 }
1488
1489 static int
1490 qla2x00_update_optrom(struct bsg_job *bsg_job)
1491 {
1492         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1493         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1494         scsi_qla_host_t *vha = shost_priv(host);
1495         struct qla_hw_data *ha = vha->hw;
1496         int rval = 0;
1497
1498         mutex_lock(&ha->optrom_mutex);
1499         rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1500         if (rval) {
1501                 mutex_unlock(&ha->optrom_mutex);
1502                 return rval;
1503         }
1504
1505         /* Set the isp82xx_no_md_cap not to capture minidump */
1506         ha->flags.isp82xx_no_md_cap = 1;
1507
1508         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1509             bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1510             ha->optrom_region_size);
1511
1512         ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1513             ha->optrom_region_start, ha->optrom_region_size);
1514
1515         bsg_reply->result = DID_OK;
1516         vfree(ha->optrom_buffer);
1517         ha->optrom_buffer = NULL;
1518         ha->optrom_state = QLA_SWAITING;
1519         mutex_unlock(&ha->optrom_mutex);
1520         bsg_job_done(bsg_job, bsg_reply->result,
1521                        bsg_reply->reply_payload_rcv_len);
1522         return rval;
1523 }
1524
1525 static int
1526 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1527 {
1528         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1529         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1530         scsi_qla_host_t *vha = shost_priv(host);
1531         struct qla_hw_data *ha = vha->hw;
1532         int rval = 0;
1533         uint8_t bsg[DMA_POOL_SIZE];
1534         struct qla_image_version_list *list = (void *)bsg;
1535         struct qla_image_version *image;
1536         uint32_t count;
1537         dma_addr_t sfp_dma;
1538         void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1539         if (!sfp) {
1540                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1541                     EXT_STATUS_NO_MEMORY;
1542                 goto done;
1543         }
1544
1545         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1546             bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1547
1548         image = list->version;
1549         count = list->count;
1550         while (count--) {
1551                 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1552                 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1553                     image->field_address.device, image->field_address.offset,
1554                     sizeof(image->field_info), image->field_address.option);
1555                 if (rval) {
1556                         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1557                             EXT_STATUS_MAILBOX;
1558                         goto dealloc;
1559                 }
1560                 image++;
1561         }
1562
1563         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1564
1565 dealloc:
1566         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1567
1568 done:
1569         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1570         bsg_reply->result = DID_OK << 16;
1571         bsg_job_done(bsg_job, bsg_reply->result,
1572                        bsg_reply->reply_payload_rcv_len);
1573
1574         return 0;
1575 }
1576
1577 static int
1578 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1579 {
1580         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1581         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1582         scsi_qla_host_t *vha = shost_priv(host);
1583         struct qla_hw_data *ha = vha->hw;
1584         int rval = 0;
1585         uint8_t bsg[DMA_POOL_SIZE];
1586         struct qla_status_reg *sr = (void *)bsg;
1587         dma_addr_t sfp_dma;
1588         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1589         if (!sfp) {
1590                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1591                     EXT_STATUS_NO_MEMORY;
1592                 goto done;
1593         }
1594
1595         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1596             bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1597
1598         rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1599             sr->field_address.device, sr->field_address.offset,
1600             sizeof(sr->status_reg), sr->field_address.option);
1601         sr->status_reg = *sfp;
1602
1603         if (rval) {
1604                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1605                     EXT_STATUS_MAILBOX;
1606                 goto dealloc;
1607         }
1608
1609         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1610             bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1611
1612         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1613
1614 dealloc:
1615         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1616
1617 done:
1618         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1619         bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1620         bsg_reply->result = DID_OK << 16;
1621         bsg_job_done(bsg_job, bsg_reply->result,
1622                        bsg_reply->reply_payload_rcv_len);
1623
1624         return 0;
1625 }
1626
1627 static int
1628 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1629 {
1630         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1631         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1632         scsi_qla_host_t *vha = shost_priv(host);
1633         struct qla_hw_data *ha = vha->hw;
1634         int rval = 0;
1635         uint8_t bsg[DMA_POOL_SIZE];
1636         struct qla_status_reg *sr = (void *)bsg;
1637         dma_addr_t sfp_dma;
1638         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1639         if (!sfp) {
1640                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1641                     EXT_STATUS_NO_MEMORY;
1642                 goto done;
1643         }
1644
1645         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1646             bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1647
1648         *sfp = sr->status_reg;
1649         rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1650             sr->field_address.device, sr->field_address.offset,
1651             sizeof(sr->status_reg), sr->field_address.option);
1652
1653         if (rval) {
1654                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1655                     EXT_STATUS_MAILBOX;
1656                 goto dealloc;
1657         }
1658
1659         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1660
1661 dealloc:
1662         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1663
1664 done:
1665         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1666         bsg_reply->result = DID_OK << 16;
1667         bsg_job_done(bsg_job, bsg_reply->result,
1668                        bsg_reply->reply_payload_rcv_len);
1669
1670         return 0;
1671 }
1672
1673 static int
1674 qla2x00_write_i2c(struct bsg_job *bsg_job)
1675 {
1676         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1677         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1678         scsi_qla_host_t *vha = shost_priv(host);
1679         struct qla_hw_data *ha = vha->hw;
1680         int rval = 0;
1681         uint8_t bsg[DMA_POOL_SIZE];
1682         struct qla_i2c_access *i2c = (void *)bsg;
1683         dma_addr_t sfp_dma;
1684         uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
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         if (!sfp) {
1731                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1732                     EXT_STATUS_NO_MEMORY;
1733                 goto done;
1734         }
1735
1736         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1737             bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1738
1739         rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1740                 i2c->device, i2c->offset, i2c->length, i2c->option);
1741
1742         if (rval) {
1743                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1744                     EXT_STATUS_MAILBOX;
1745                 goto dealloc;
1746         }
1747
1748         memcpy(i2c->buffer, sfp, i2c->length);
1749         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1750             bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1751
1752         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1753
1754 dealloc:
1755         dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1756
1757 done:
1758         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1759         bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
1760         bsg_reply->result = DID_OK << 16;
1761         bsg_job_done(bsg_job, bsg_reply->result,
1762                        bsg_reply->reply_payload_rcv_len);
1763
1764         return 0;
1765 }
1766
1767 static int
1768 qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
1769 {
1770         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1771         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1772         scsi_qla_host_t *vha = shost_priv(host);
1773         struct qla_hw_data *ha = vha->hw;
1774         uint32_t rval = EXT_STATUS_OK;
1775         uint16_t req_sg_cnt = 0;
1776         uint16_t rsp_sg_cnt = 0;
1777         uint16_t nextlid = 0;
1778         uint32_t tot_dsds;
1779         srb_t *sp = NULL;
1780         uint32_t req_data_len = 0;
1781         uint32_t rsp_data_len = 0;
1782
1783         /* Check the type of the adapter */
1784         if (!IS_BIDI_CAPABLE(ha)) {
1785                 ql_log(ql_log_warn, vha, 0x70a0,
1786                         "This adapter is not supported\n");
1787                 rval = EXT_STATUS_NOT_SUPPORTED;
1788                 goto done;
1789         }
1790
1791         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1792                 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1793                 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1794                 rval =  EXT_STATUS_BUSY;
1795                 goto done;
1796         }
1797
1798         /* Check if host is online */
1799         if (!vha->flags.online) {
1800                 ql_log(ql_log_warn, vha, 0x70a1,
1801                         "Host is not online\n");
1802                 rval = EXT_STATUS_DEVICE_OFFLINE;
1803                 goto done;
1804         }
1805
1806         /* Check if cable is plugged in or not */
1807         if (vha->device_flags & DFLG_NO_CABLE) {
1808                 ql_log(ql_log_warn, vha, 0x70a2,
1809                         "Cable is unplugged...\n");
1810                 rval = EXT_STATUS_INVALID_CFG;
1811                 goto done;
1812         }
1813
1814         /* Check if the switch is connected or not */
1815         if (ha->current_topology != ISP_CFG_F) {
1816                 ql_log(ql_log_warn, vha, 0x70a3,
1817                         "Host is not connected to the switch\n");
1818                 rval = EXT_STATUS_INVALID_CFG;
1819                 goto done;
1820         }
1821
1822         /* Check if operating mode is P2P */
1823         if (ha->operating_mode != P2P) {
1824                 ql_log(ql_log_warn, vha, 0x70a4,
1825                     "Host operating mode is not P2p\n");
1826                 rval = EXT_STATUS_INVALID_CFG;
1827                 goto done;
1828         }
1829
1830         mutex_lock(&ha->selflogin_lock);
1831         if (vha->self_login_loop_id == 0) {
1832                 /* Initialize all required  fields of fcport */
1833                 vha->bidir_fcport.vha = vha;
1834                 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1835                 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1836                 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1837                 vha->bidir_fcport.loop_id = vha->loop_id;
1838
1839                 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1840                         ql_log(ql_log_warn, vha, 0x70a7,
1841                             "Failed to login port %06X for bidirectional IOCB\n",
1842                             vha->bidir_fcport.d_id.b24);
1843                         mutex_unlock(&ha->selflogin_lock);
1844                         rval = EXT_STATUS_MAILBOX;
1845                         goto done;
1846                 }
1847                 vha->self_login_loop_id = nextlid - 1;
1848
1849         }
1850         /* Assign the self login loop id to fcport */
1851         mutex_unlock(&ha->selflogin_lock);
1852
1853         vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1854
1855         req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1856                 bsg_job->request_payload.sg_list,
1857                 bsg_job->request_payload.sg_cnt,
1858                 DMA_TO_DEVICE);
1859
1860         if (!req_sg_cnt) {
1861                 rval = EXT_STATUS_NO_MEMORY;
1862                 goto done;
1863         }
1864
1865         rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1866                 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1867                 DMA_FROM_DEVICE);
1868
1869         if (!rsp_sg_cnt) {
1870                 rval = EXT_STATUS_NO_MEMORY;
1871                 goto done_unmap_req_sg;
1872         }
1873
1874         if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
1875                 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1876                 ql_dbg(ql_dbg_user, vha, 0x70a9,
1877                     "Dma mapping resulted in different sg counts "
1878                     "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1879                     "%x dma_reply_sg_cnt: %x]\n",
1880                     bsg_job->request_payload.sg_cnt, req_sg_cnt,
1881                     bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1882                 rval = EXT_STATUS_NO_MEMORY;
1883                 goto done_unmap_sg;
1884         }
1885
1886         if (req_data_len != rsp_data_len) {
1887                 rval = EXT_STATUS_BUSY;
1888                 ql_log(ql_log_warn, vha, 0x70aa,
1889                     "req_data_len != rsp_data_len\n");
1890                 goto done_unmap_sg;
1891         }
1892
1893         req_data_len = bsg_job->request_payload.payload_len;
1894         rsp_data_len = bsg_job->reply_payload.payload_len;
1895
1896
1897         /* Alloc SRB structure */
1898         sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1899         if (!sp) {
1900                 ql_dbg(ql_dbg_user, vha, 0x70ac,
1901                     "Alloc SRB structure failed\n");
1902                 rval = EXT_STATUS_NO_MEMORY;
1903                 goto done_unmap_sg;
1904         }
1905
1906         /*Populate srb->ctx with bidir ctx*/
1907         sp->u.bsg_job = bsg_job;
1908         sp->free = qla2x00_bsg_sp_free;
1909         sp->type = SRB_BIDI_CMD;
1910         sp->done = qla2x00_bsg_job_done;
1911
1912         /* Add the read and write sg count */
1913         tot_dsds = rsp_sg_cnt + req_sg_cnt;
1914
1915         rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1916         if (rval != EXT_STATUS_OK)
1917                 goto done_free_srb;
1918         /* the bsg request  will be completed in the interrupt handler */
1919         return rval;
1920
1921 done_free_srb:
1922         mempool_free(sp, ha->srb_mempool);
1923 done_unmap_sg:
1924         dma_unmap_sg(&ha->pdev->dev,
1925             bsg_job->reply_payload.sg_list,
1926             bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1927 done_unmap_req_sg:
1928         dma_unmap_sg(&ha->pdev->dev,
1929             bsg_job->request_payload.sg_list,
1930             bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1931 done:
1932
1933         /* Return an error vendor specific response
1934          * and complete the bsg request
1935          */
1936         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1937         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1938         bsg_reply->reply_payload_rcv_len = 0;
1939         bsg_reply->result = (DID_OK) << 16;
1940         bsg_job_done(bsg_job, bsg_reply->result,
1941                        bsg_reply->reply_payload_rcv_len);
1942         /* Always return success, vendor rsp carries correct status */
1943         return 0;
1944 }
1945
1946 static int
1947 qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
1948 {
1949         struct fc_bsg_request *bsg_request = bsg_job->request;
1950         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1951         scsi_qla_host_t *vha = shost_priv(host);
1952         struct qla_hw_data *ha = vha->hw;
1953         int rval = (DRIVER_ERROR << 16);
1954         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1955         srb_t *sp;
1956         int req_sg_cnt = 0, rsp_sg_cnt = 0;
1957         struct fc_port *fcport;
1958         char  *type = "FC_BSG_HST_FX_MGMT";
1959
1960         /* Copy the IOCB specific information */
1961         piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1962             &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1963
1964         /* Dump the vendor information */
1965         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1966             (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
1967
1968         if (!vha->flags.online) {
1969                 ql_log(ql_log_warn, vha, 0x70d0,
1970                     "Host is not online.\n");
1971                 rval = -EIO;
1972                 goto done;
1973         }
1974
1975         if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1976                 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1977                     bsg_job->request_payload.sg_list,
1978                     bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1979                 if (!req_sg_cnt) {
1980                         ql_log(ql_log_warn, vha, 0x70c7,
1981                             "dma_map_sg return %d for request\n", req_sg_cnt);
1982                         rval = -ENOMEM;
1983                         goto done;
1984                 }
1985         }
1986
1987         if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1988                 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1989                     bsg_job->reply_payload.sg_list,
1990                     bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1991                 if (!rsp_sg_cnt) {
1992                         ql_log(ql_log_warn, vha, 0x70c8,
1993                             "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1994                         rval = -ENOMEM;
1995                         goto done_unmap_req_sg;
1996                 }
1997         }
1998
1999         ql_dbg(ql_dbg_user, vha, 0x70c9,
2000             "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
2001             "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
2002             req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
2003
2004         /* Allocate a dummy fcport structure, since functions preparing the
2005          * IOCB and mailbox command retrieves port specific information
2006          * from fcport structure. For Host based ELS commands there will be
2007          * no fcport structure allocated
2008          */
2009         fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2010         if (!fcport) {
2011                 ql_log(ql_log_warn, vha, 0x70ca,
2012                     "Failed to allocate fcport.\n");
2013                 rval = -ENOMEM;
2014                 goto done_unmap_rsp_sg;
2015         }
2016
2017         /* Alloc SRB structure */
2018         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2019         if (!sp) {
2020                 ql_log(ql_log_warn, vha, 0x70cb,
2021                     "qla2x00_get_sp failed.\n");
2022                 rval = -ENOMEM;
2023                 goto done_free_fcport;
2024         }
2025
2026         /* Initialize all required  fields of fcport */
2027         fcport->vha = vha;
2028         fcport->loop_id = piocb_rqst->dataword;
2029
2030         sp->type = SRB_FXIOCB_BCMD;
2031         sp->name = "bsg_fx_mgmt";
2032         sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
2033         sp->u.bsg_job = bsg_job;
2034         sp->free = qla2x00_bsg_sp_free;
2035         sp->done = qla2x00_bsg_job_done;
2036
2037         ql_dbg(ql_dbg_user, vha, 0x70cc,
2038             "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2039             type, piocb_rqst->func_type, fcport->loop_id);
2040
2041         rval = qla2x00_start_sp(sp);
2042         if (rval != QLA_SUCCESS) {
2043                 ql_log(ql_log_warn, vha, 0x70cd,
2044                     "qla2x00_start_sp failed=%d.\n", rval);
2045                 mempool_free(sp, ha->srb_mempool);
2046                 rval = -EIO;
2047                 goto done_free_fcport;
2048         }
2049         return rval;
2050
2051 done_free_fcport:
2052         kfree(fcport);
2053
2054 done_unmap_rsp_sg:
2055         if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2056                 dma_unmap_sg(&ha->pdev->dev,
2057                     bsg_job->reply_payload.sg_list,
2058                     bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2059 done_unmap_req_sg:
2060         if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2061                 dma_unmap_sg(&ha->pdev->dev,
2062                     bsg_job->request_payload.sg_list,
2063                     bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2064
2065 done:
2066         return rval;
2067 }
2068
2069 static int
2070 qla26xx_serdes_op(struct bsg_job *bsg_job)
2071 {
2072         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2073         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2074         scsi_qla_host_t *vha = shost_priv(host);
2075         int rval = 0;
2076         struct qla_serdes_reg sr;
2077
2078         memset(&sr, 0, sizeof(sr));
2079
2080         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2081             bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2082
2083         switch (sr.cmd) {
2084         case INT_SC_SERDES_WRITE_REG:
2085                 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2086                 bsg_reply->reply_payload_rcv_len = 0;
2087                 break;
2088         case INT_SC_SERDES_READ_REG:
2089                 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2090                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2091                     bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2092                 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2093                 break;
2094         default:
2095                 ql_dbg(ql_dbg_user, vha, 0x708c,
2096                     "Unknown serdes cmd %x.\n", sr.cmd);
2097                 rval = -EINVAL;
2098                 break;
2099         }
2100
2101         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2102             rval ? EXT_STATUS_MAILBOX : 0;
2103
2104         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2105         bsg_reply->result = DID_OK << 16;
2106         bsg_job_done(bsg_job, bsg_reply->result,
2107                        bsg_reply->reply_payload_rcv_len);
2108         return 0;
2109 }
2110
2111 static int
2112 qla8044_serdes_op(struct bsg_job *bsg_job)
2113 {
2114         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2115         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2116         scsi_qla_host_t *vha = shost_priv(host);
2117         int rval = 0;
2118         struct qla_serdes_reg_ex sr;
2119
2120         memset(&sr, 0, sizeof(sr));
2121
2122         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2123             bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2124
2125         switch (sr.cmd) {
2126         case INT_SC_SERDES_WRITE_REG:
2127                 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2128                 bsg_reply->reply_payload_rcv_len = 0;
2129                 break;
2130         case INT_SC_SERDES_READ_REG:
2131                 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2132                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2133                     bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2134                 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2135                 break;
2136         default:
2137                 ql_dbg(ql_dbg_user, vha, 0x70cf,
2138                     "Unknown serdes cmd %x.\n", sr.cmd);
2139                 rval = -EINVAL;
2140                 break;
2141         }
2142
2143         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2144             rval ? EXT_STATUS_MAILBOX : 0;
2145
2146         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2147         bsg_reply->result = DID_OK << 16;
2148         bsg_job_done(bsg_job, bsg_reply->result,
2149                        bsg_reply->reply_payload_rcv_len);
2150         return 0;
2151 }
2152
2153 static int
2154 qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
2155 {
2156         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2157         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2158         scsi_qla_host_t *vha = shost_priv(host);
2159         struct qla_hw_data *ha = vha->hw;
2160         struct qla_flash_update_caps cap;
2161
2162         if (!(IS_QLA27XX(ha)))
2163                 return -EPERM;
2164
2165         memset(&cap, 0, sizeof(cap));
2166         cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2167                            (uint64_t)ha->fw_attributes_ext[0] << 32 |
2168                            (uint64_t)ha->fw_attributes_h << 16 |
2169                            (uint64_t)ha->fw_attributes;
2170
2171         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2172             bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
2173         bsg_reply->reply_payload_rcv_len = sizeof(cap);
2174
2175         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2176             EXT_STATUS_OK;
2177
2178         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2179         bsg_reply->result = DID_OK << 16;
2180         bsg_job_done(bsg_job, bsg_reply->result,
2181                        bsg_reply->reply_payload_rcv_len);
2182         return 0;
2183 }
2184
2185 static int
2186 qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
2187 {
2188         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2189         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2190         scsi_qla_host_t *vha = shost_priv(host);
2191         struct qla_hw_data *ha = vha->hw;
2192         uint64_t online_fw_attr = 0;
2193         struct qla_flash_update_caps cap;
2194
2195         if (!(IS_QLA27XX(ha)))
2196                 return -EPERM;
2197
2198         memset(&cap, 0, sizeof(cap));
2199         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2200             bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
2201
2202         online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2203                          (uint64_t)ha->fw_attributes_ext[0] << 32 |
2204                          (uint64_t)ha->fw_attributes_h << 16 |
2205                          (uint64_t)ha->fw_attributes;
2206
2207         if (online_fw_attr != cap.capabilities) {
2208                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2209                     EXT_STATUS_INVALID_PARAM;
2210                 return -EINVAL;
2211         }
2212
2213         if (cap.outage_duration < MAX_LOOP_TIMEOUT)  {
2214                 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2215                     EXT_STATUS_INVALID_PARAM;
2216                 return -EINVAL;
2217         }
2218
2219         bsg_reply->reply_payload_rcv_len = 0;
2220
2221         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2222             EXT_STATUS_OK;
2223
2224         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2225         bsg_reply->result = DID_OK << 16;
2226         bsg_job_done(bsg_job, bsg_reply->result,
2227                        bsg_reply->reply_payload_rcv_len);
2228         return 0;
2229 }
2230
2231 static int
2232 qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
2233 {
2234         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2235         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2236         scsi_qla_host_t *vha = shost_priv(host);
2237         struct qla_hw_data *ha = vha->hw;
2238         struct qla_bbcr_data bbcr;
2239         uint16_t loop_id, topo, sw_cap;
2240         uint8_t domain, area, al_pa, state;
2241         int rval;
2242
2243         if (!(IS_QLA27XX(ha)))
2244                 return -EPERM;
2245
2246         memset(&bbcr, 0, sizeof(bbcr));
2247
2248         if (vha->flags.bbcr_enable)
2249                 bbcr.status = QLA_BBCR_STATUS_ENABLED;
2250         else
2251                 bbcr.status = QLA_BBCR_STATUS_DISABLED;
2252
2253         if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
2254                 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2255                         &area, &domain, &topo, &sw_cap);
2256                 if (rval != QLA_SUCCESS) {
2257                         bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
2258                         bbcr.state = QLA_BBCR_STATE_OFFLINE;
2259                         bbcr.mbx1 = loop_id;
2260                         goto done;
2261                 }
2262
2263                 state = (vha->bbcr >> 12) & 0x1;
2264
2265                 if (state) {
2266                         bbcr.state = QLA_BBCR_STATE_OFFLINE;
2267                         bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
2268                 } else {
2269                         bbcr.state = QLA_BBCR_STATE_ONLINE;
2270                         bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
2271                 }
2272
2273                 bbcr.configured_bbscn = vha->bbcr & 0xf;
2274         }
2275
2276 done:
2277         sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2278                 bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
2279         bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
2280
2281         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2282
2283         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2284         bsg_reply->result = DID_OK << 16;
2285         bsg_job_done(bsg_job, bsg_reply->result,
2286                        bsg_reply->reply_payload_rcv_len);
2287         return 0;
2288 }
2289
2290 static int
2291 qla2x00_get_priv_stats(struct bsg_job *bsg_job)
2292 {
2293         struct fc_bsg_request *bsg_request = bsg_job->request;
2294         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2295         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2296         scsi_qla_host_t *vha = shost_priv(host);
2297         struct qla_hw_data *ha = vha->hw;
2298         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2299         struct link_statistics *stats = NULL;
2300         dma_addr_t stats_dma;
2301         int rval;
2302         uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
2303         uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
2304
2305         if (test_bit(UNLOADING, &vha->dpc_flags))
2306                 return -ENODEV;
2307
2308         if (unlikely(pci_channel_offline(ha->pdev)))
2309                 return -ENODEV;
2310
2311         if (qla2x00_reset_active(vha))
2312                 return -EBUSY;
2313
2314         if (!IS_FWI2_CAPABLE(ha))
2315                 return -EPERM;
2316
2317         stats = dma_alloc_coherent(&ha->pdev->dev,
2318                 sizeof(*stats), &stats_dma, GFP_KERNEL);
2319         if (!stats) {
2320                 ql_log(ql_log_warn, vha, 0x70e2,
2321                     "Failed to allocate memory for stats.\n");
2322                 return -ENOMEM;
2323         }
2324
2325         memset(stats, 0, sizeof(*stats));
2326
2327         rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2328
2329         if (rval == QLA_SUCCESS) {
2330                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e3,
2331                     (uint8_t *)stats, sizeof(*stats));
2332                 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2333                         bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2334         }
2335
2336         bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2337         bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2338             rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2339
2340         bsg_job->reply_len = sizeof(*bsg_reply);
2341         bsg_reply->result = DID_OK << 16;
2342         bsg_job_done(bsg_job, bsg_reply->result,
2343                        bsg_reply->reply_payload_rcv_len);
2344
2345         dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2346                 stats, stats_dma);
2347
2348         return 0;
2349 }
2350
2351 static int
2352 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2353 {
2354         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2355         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2356         scsi_qla_host_t *vha = shost_priv(host);
2357         int rval;
2358         struct qla_dport_diag *dd;
2359
2360         if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(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_process_vendor_specific(struct bsg_job *bsg_job)
2396 {
2397         struct fc_bsg_request *bsg_request = bsg_job->request;
2398
2399         switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2400         case QL_VND_LOOPBACK:
2401                 return qla2x00_process_loopback(bsg_job);
2402
2403         case QL_VND_A84_RESET:
2404                 return qla84xx_reset(bsg_job);
2405
2406         case QL_VND_A84_UPDATE_FW:
2407                 return qla84xx_updatefw(bsg_job);
2408
2409         case QL_VND_A84_MGMT_CMD:
2410                 return qla84xx_mgmt_cmd(bsg_job);
2411
2412         case QL_VND_IIDMA:
2413                 return qla24xx_iidma(bsg_job);
2414
2415         case QL_VND_FCP_PRIO_CFG_CMD:
2416                 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2417
2418         case QL_VND_READ_FLASH:
2419                 return qla2x00_read_optrom(bsg_job);
2420
2421         case QL_VND_UPDATE_FLASH:
2422                 return qla2x00_update_optrom(bsg_job);
2423
2424         case QL_VND_SET_FRU_VERSION:
2425                 return qla2x00_update_fru_versions(bsg_job);
2426
2427         case QL_VND_READ_FRU_STATUS:
2428                 return qla2x00_read_fru_status(bsg_job);
2429
2430         case QL_VND_WRITE_FRU_STATUS:
2431                 return qla2x00_write_fru_status(bsg_job);
2432
2433         case QL_VND_WRITE_I2C:
2434                 return qla2x00_write_i2c(bsg_job);
2435
2436         case QL_VND_READ_I2C:
2437                 return qla2x00_read_i2c(bsg_job);
2438
2439         case QL_VND_DIAG_IO_CMD:
2440                 return qla24xx_process_bidir_cmd(bsg_job);
2441
2442         case QL_VND_FX00_MGMT_CMD:
2443                 return qlafx00_mgmt_cmd(bsg_job);
2444
2445         case QL_VND_SERDES_OP:
2446                 return qla26xx_serdes_op(bsg_job);
2447
2448         case QL_VND_SERDES_OP_EX:
2449                 return qla8044_serdes_op(bsg_job);
2450
2451         case QL_VND_GET_FLASH_UPDATE_CAPS:
2452                 return qla27xx_get_flash_upd_cap(bsg_job);
2453
2454         case QL_VND_SET_FLASH_UPDATE_CAPS:
2455                 return qla27xx_set_flash_upd_cap(bsg_job);
2456
2457         case QL_VND_GET_BBCR_DATA:
2458                 return qla27xx_get_bbcr_data(bsg_job);
2459
2460         case QL_VND_GET_PRIV_STATS:
2461         case QL_VND_GET_PRIV_STATS_EX:
2462                 return qla2x00_get_priv_stats(bsg_job);
2463
2464         case QL_VND_DPORT_DIAGNOSTICS:
2465                 return qla2x00_do_dport_diagnostics(bsg_job);
2466
2467         default:
2468                 return -ENOSYS;
2469         }
2470 }
2471
2472 int
2473 qla24xx_bsg_request(struct bsg_job *bsg_job)
2474 {
2475         struct fc_bsg_request *bsg_request = bsg_job->request;
2476         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2477         int ret = -EINVAL;
2478         struct fc_rport *rport;
2479         struct Scsi_Host *host;
2480         scsi_qla_host_t *vha;
2481
2482         /* In case no data transferred. */
2483         bsg_reply->reply_payload_rcv_len = 0;
2484
2485         if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2486                 rport = fc_bsg_to_rport(bsg_job);
2487                 host = rport_to_shost(rport);
2488                 vha = shost_priv(host);
2489         } else {
2490                 host = fc_bsg_to_shost(bsg_job);
2491                 vha = shost_priv(host);
2492         }
2493
2494         if (qla2x00_reset_active(vha)) {
2495                 ql_dbg(ql_dbg_user, vha, 0x709f,
2496                     "BSG: ISP abort active/needed -- cmd=%d.\n",
2497                     bsg_request->msgcode);
2498                 return -EBUSY;
2499         }
2500
2501         ql_dbg(ql_dbg_user, vha, 0x7000,
2502             "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2503
2504         switch (bsg_request->msgcode) {
2505         case FC_BSG_RPT_ELS:
2506         case FC_BSG_HST_ELS_NOLOGIN:
2507                 ret = qla2x00_process_els(bsg_job);
2508                 break;
2509         case FC_BSG_HST_CT:
2510                 ret = qla2x00_process_ct(bsg_job);
2511                 break;
2512         case FC_BSG_HST_VENDOR:
2513                 ret = qla2x00_process_vendor_specific(bsg_job);
2514                 break;
2515         case FC_BSG_HST_ADD_RPORT:
2516         case FC_BSG_HST_DEL_RPORT:
2517         case FC_BSG_RPT_CT:
2518         default:
2519                 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2520                 break;
2521         }
2522         return ret;
2523 }
2524
2525 int
2526 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2527 {
2528         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2529         scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2530         struct qla_hw_data *ha = vha->hw;
2531         srb_t *sp;
2532         int cnt, que;
2533         unsigned long flags;
2534         struct req_que *req;
2535
2536         /* find the bsg job from the active list of commands */
2537         spin_lock_irqsave(&ha->hardware_lock, flags);
2538         for (que = 0; que < ha->max_req_queues; que++) {
2539                 req = ha->req_q_map[que];
2540                 if (!req)
2541                         continue;
2542
2543                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2544                         sp = req->outstanding_cmds[cnt];
2545                         if (sp) {
2546                                 if (((sp->type == SRB_CT_CMD) ||
2547                                         (sp->type == SRB_ELS_CMD_HST) ||
2548                                         (sp->type == SRB_FXIOCB_BCMD))
2549                                         && (sp->u.bsg_job == bsg_job)) {
2550                                         req->outstanding_cmds[cnt] = NULL;
2551                                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2552                                         if (ha->isp_ops->abort_command(sp)) {
2553                                                 ql_log(ql_log_warn, vha, 0x7089,
2554                                                     "mbx abort_command "
2555                                                     "failed.\n");
2556                                                 scsi_req(bsg_job->req)->result =
2557                                                 bsg_reply->result = -EIO;
2558                                         } else {
2559                                                 ql_dbg(ql_dbg_user, vha, 0x708a,
2560                                                     "mbx abort_command "
2561                                                     "success.\n");
2562                                                 scsi_req(bsg_job->req)->result =
2563                                                 bsg_reply->result = 0;
2564                                         }
2565                                         spin_lock_irqsave(&ha->hardware_lock, flags);
2566                                         goto done;
2567                                 }
2568                         }
2569                 }
2570         }
2571         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2572         ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2573         scsi_req(bsg_job->req)->result = bsg_reply->result = -ENXIO;
2574         return 0;
2575
2576 done:
2577         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2578         sp->free(sp);
2579         return 0;
2580 }