drivers/scsi/be2iscsi/be_mgmt.c

   1 /**
   2  * Copyright (C) 2005 - 2011 Emulex
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Written by: Jayamohan Kallickal (jayamohan.kallickal@emulex.com)
  11  *
  12  * Contact Information:
  13  * linux-drivers@emulex.com
  14  *
  15  * Emulex
  16  * 3333 Susan Street
  17  * Costa Mesa, CA 92626
  18  */
  19
  20 #include <linux/bsg-lib.h>
  21 #include <scsi/scsi_transport_iscsi.h>
  22 #include <scsi/scsi_bsg_iscsi.h>
  23 #include "be_mgmt.h"
  24 #include "be_iscsi.h"
  25
  26 /**
  27  * mgmt_reopen_session()- Reopen a session based on reopen_type
  28  * @phba: Device priv structure instance
  29  * @reopen_type: Type of reopen_session FW should do.
  30  * @sess_handle: Session Handle of the session to be re-opened
  31  *
  32  * return
  33  *      the TAG used for MBOX Command
  34  *
  35  **/
  36 unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
  37                                   unsigned int reopen_type,
  38                                   unsigned int sess_handle)
  39 {
  40         struct be_ctrl_info *ctrl = &phba->ctrl;
  41         struct be_mcc_wrb *wrb;
  42         struct be_cmd_reopen_session_req *req;
  43         unsigned int tag = 0;
  44
  45         beiscsi_log(phba, KERN_INFO,
  46                     BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
  47                     "BG_%d : In bescsi_get_boot_target\n");
  48
  49         spin_lock(&ctrl->mbox_lock);
  50         tag = alloc_mcc_tag(phba);
  51         if (!tag) {
  52                 spin_unlock(&ctrl->mbox_lock);
  53                 return tag;
  54         }
  55
  56         wrb = wrb_from_mccq(phba);
  57         req = embedded_payload(wrb);
  58         wrb->tag0 |= tag;
  59         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
  60         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
  61                            OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
  62                            sizeof(struct be_cmd_reopen_session_resp));
  63
  64         /* set the reopen_type,sess_handle */
  65         req->reopen_type = reopen_type;
  66         req->session_handle = sess_handle;
  67
  68         be_mcc_notify(phba);
  69         spin_unlock(&ctrl->mbox_lock);
  70         return tag;
  71 }
  72
  73 unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
  74 {
  75         struct be_ctrl_info *ctrl = &phba->ctrl;
  76         struct be_mcc_wrb *wrb;
  77         struct be_cmd_get_boot_target_req *req;
  78         unsigned int tag = 0;
  79
  80         beiscsi_log(phba, KERN_INFO,
  81                     BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
  82                     "BG_%d : In bescsi_get_boot_target\n");
  83
  84         spin_lock(&ctrl->mbox_lock);
  85         tag = alloc_mcc_tag(phba);
  86         if (!tag) {
  87                 spin_unlock(&ctrl->mbox_lock);
  88                 return tag;
  89         }
  90
  91         wrb = wrb_from_mccq(phba);
  92         req = embedded_payload(wrb);
  93         wrb->tag0 |= tag;
  94         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
  95         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
  96                            OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
  97                            sizeof(struct be_cmd_get_boot_target_resp));
  98
  99         be_mcc_notify(phba);
 100         spin_unlock(&ctrl->mbox_lock);
 101         return tag;
 102 }
 103
 104 unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
 105                                    u32 boot_session_handle,
 106                                    struct be_dma_mem *nonemb_cmd)
 107 {
 108         struct be_ctrl_info *ctrl = &phba->ctrl;
 109         struct be_mcc_wrb *wrb;
 110         unsigned int tag = 0;
 111         struct  be_cmd_get_session_req *req;
 112         struct be_cmd_get_session_resp *resp;
 113         struct be_sge *sge;
 114
 115         beiscsi_log(phba, KERN_INFO,
 116                     BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
 117                     "BG_%d : In beiscsi_get_session_info\n");
 118
 119         spin_lock(&ctrl->mbox_lock);
 120         tag = alloc_mcc_tag(phba);
 121         if (!tag) {
 122                 spin_unlock(&ctrl->mbox_lock);
 123                 return tag;
 124         }
 125
 126         nonemb_cmd->size = sizeof(*resp);
 127         req = nonemb_cmd->va;
 128         memset(req, 0, sizeof(*req));
 129         wrb = wrb_from_mccq(phba);
 130         sge = nonembedded_sgl(wrb);
 131         wrb->tag0 |= tag;
 132
 133
 134         wrb->tag0 |= tag;
 135         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 136         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 137                            OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
 138                            sizeof(*resp));
 139         req->session_handle = boot_session_handle;
 140         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 141         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 142         sge->len = cpu_to_le32(nonemb_cmd->size);
 143
 144         be_mcc_notify(phba);
 145         spin_unlock(&ctrl->mbox_lock);
 146         return tag;
 147 }
 148
 149 int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
 150                                 struct beiscsi_hba *phba)
 151 {
 152         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 153         struct be_fw_cfg *req = embedded_payload(wrb);
 154         int status = 0;
 155
 156         spin_lock(&ctrl->mbox_lock);
 157         memset(wrb, 0, sizeof(*wrb));
 158
 159         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 160
 161         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 162                            OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
 163         status = be_mbox_notify(ctrl);
 164         if (!status) {
 165                 struct be_fw_cfg *pfw_cfg;
 166                 pfw_cfg = req;
 167                 phba->fw_config.phys_port = pfw_cfg->phys_port;
 168                 phba->fw_config.iscsi_icd_start =
 169                                         pfw_cfg->ulp[0].icd_base;
 170                 phba->fw_config.iscsi_icd_count =
 171                                         pfw_cfg->ulp[0].icd_count;
 172                 phba->fw_config.iscsi_cid_start =
 173                                         pfw_cfg->ulp[0].sq_base;
 174                 phba->fw_config.iscsi_cid_count =
 175                                         pfw_cfg->ulp[0].sq_count;
 176                 if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
 177                         beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
 178                                     "BG_%d : FW reported MAX CXNS as %d\t"
 179                                     "Max Supported = %d.\n",
 180                                     phba->fw_config.iscsi_cid_count,
 181                                     BE2_MAX_SESSIONS);
 182                         phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
 183                 }
 184         } else {
 185                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
 186                             "BG_%d : Failed in mgmt_get_fw_config\n");
 187         }
 188
 189         spin_unlock(&ctrl->mbox_lock);
 190         return status;
 191 }
 192
 193 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 194                                       struct beiscsi_hba *phba)
 195 {
 196         struct be_dma_mem nonemb_cmd;
 197         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 198         struct be_mgmt_controller_attributes *req;
 199         struct be_sge *sge = nonembedded_sgl(wrb);
 200         int status = 0;
 201
 202         nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
 203                                 sizeof(struct be_mgmt_controller_attributes),
 204                                 &nonemb_cmd.dma);
 205         if (nonemb_cmd.va == NULL) {
 206                 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
 207                             "BG_%d : Failed to allocate memory for "
 208                             "mgmt_check_supported_fw\n");
 209                 return -ENOMEM;
 210         }
 211         nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
 212         req = nonemb_cmd.va;
 213         memset(req, 0, sizeof(*req));
 214         spin_lock(&ctrl->mbox_lock);
 215         memset(wrb, 0, sizeof(*wrb));
 216         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 217         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 218                            OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
 219         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 220         sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 221         sge->len = cpu_to_le32(nonemb_cmd.size);
 222         status = be_mbox_notify(ctrl);
 223         if (!status) {
 224                 struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
 225                 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
 226                             "BG_%d : Firmware Version of CMD : %s\n"
 227                             "Firmware Version is : %s\n"
 228                             "Developer Build, not performing version check...\n",
 229                             resp->params.hba_attribs
 230                             .flashrom_version_string,
 231                             resp->params.hba_attribs.
 232                             firmware_version_string);
 233
 234                 phba->fw_config.iscsi_features =
 235                                 resp->params.hba_attribs.iscsi_features;
 236                 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
 237                             "BM_%d : phba->fw_config.iscsi_features = %d\n",
 238                             phba->fw_config.iscsi_features);
 239         } else
 240                 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
 241                             "BG_%d :  Failed in mgmt_check_supported_fw\n");
 242         spin_unlock(&ctrl->mbox_lock);
 243         if (nonemb_cmd.va)
 244                 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 245                                     nonemb_cmd.va, nonemb_cmd.dma);
 246
 247         return status;
 248 }
 249
 250 unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
 251                                          struct beiscsi_hba *phba,
 252                                          struct bsg_job *job,
 253                                          struct be_dma_mem *nonemb_cmd)
 254 {
 255         struct be_cmd_resp_hdr *resp;
 256         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 257         struct be_sge *mcc_sge = nonembedded_sgl(wrb);
 258         unsigned int tag = 0;
 259         struct iscsi_bsg_request *bsg_req = job->request;
 260         struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
 261         unsigned short region, sector_size, sector, offset;
 262
 263         nonemb_cmd->size = job->request_payload.payload_len;
 264         memset(nonemb_cmd->va, 0, nonemb_cmd->size);
 265         resp = nonemb_cmd->va;
 266         region =  bsg_req->rqst_data.h_vendor.vendor_cmd[1];
 267         sector_size =  bsg_req->rqst_data.h_vendor.vendor_cmd[2];
 268         sector =  bsg_req->rqst_data.h_vendor.vendor_cmd[3];
 269         offset =  bsg_req->rqst_data.h_vendor.vendor_cmd[4];
 270         req->region = region;
 271         req->sector = sector;
 272         req->offset = offset;
 273         spin_lock(&ctrl->mbox_lock);
 274         memset(wrb, 0, sizeof(*wrb));
 275
 276         switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
 277         case BEISCSI_WRITE_FLASH:
 278                 offset = sector * sector_size + offset;
 279                 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 280                                    OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
 281                 sg_copy_to_buffer(job->request_payload.sg_list,
 282                                   job->request_payload.sg_cnt,
 283                                   nonemb_cmd->va + offset, job->request_len);
 284                 break;
 285         case BEISCSI_READ_FLASH:
 286                 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 287                            OPCODE_COMMON_READ_FLASH, sizeof(*req));
 288                 break;
 289         default:
 290                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 291                             "BG_%d : Unsupported cmd = 0x%x\n\n",
 292                             bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
 293
 294                 spin_unlock(&ctrl->mbox_lock);
 295                 return -ENOSYS;
 296         }
 297
 298         tag = alloc_mcc_tag(phba);
 299         if (!tag) {
 300                 spin_unlock(&ctrl->mbox_lock);
 301                 return tag;
 302         }
 303
 304         be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
 305                            job->request_payload.sg_cnt);
 306         mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 307         mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 308         mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
 309         wrb->tag0 |= tag;
 310
 311         be_mcc_notify(phba);
 312
 313         spin_unlock(&ctrl->mbox_lock);
 314         return tag;
 315 }
 316
 317 int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
 318 {
 319         struct be_ctrl_info *ctrl = &phba->ctrl;
 320         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 321         struct iscsi_cleanup_req *req = embedded_payload(wrb);
 322         int status = 0;
 323
 324         spin_lock(&ctrl->mbox_lock);
 325         memset(wrb, 0, sizeof(*wrb));
 326
 327         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 328         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 329                            OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
 330
 331         req->chute = chute;
 332         req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
 333         req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
 334
 335         status =  be_mcc_notify_wait(phba);
 336         if (status)
 337                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
 338                             "BG_%d : mgmt_epfw_cleanup , FAILED\n");
 339         spin_unlock(&ctrl->mbox_lock);
 340         return status;
 341 }
 342
 343 unsigned int  mgmt_invalidate_icds(struct beiscsi_hba *phba,
 344                                 struct invalidate_command_table *inv_tbl,
 345                                 unsigned int num_invalidate, unsigned int cid,
 346                                 struct be_dma_mem *nonemb_cmd)
 347
 348 {
 349         struct be_ctrl_info *ctrl = &phba->ctrl;
 350         struct be_mcc_wrb *wrb;
 351         struct be_sge *sge;
 352         struct invalidate_commands_params_in *req;
 353         unsigned int i, tag = 0;
 354
 355         spin_lock(&ctrl->mbox_lock);
 356         tag = alloc_mcc_tag(phba);
 357         if (!tag) {
 358                 spin_unlock(&ctrl->mbox_lock);
 359                 return tag;
 360         }
 361
 362         req = nonemb_cmd->va;
 363         memset(req, 0, sizeof(*req));
 364         wrb = wrb_from_mccq(phba);
 365         sge = nonembedded_sgl(wrb);
 366         wrb->tag0 |= tag;
 367
 368         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 369         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 370                         OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
 371                         sizeof(*req));
 372         req->ref_handle = 0;
 373         req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
 374         for (i = 0; i < num_invalidate; i++) {
 375                 req->table[i].icd = inv_tbl->icd;
 376                 req->table[i].cid = inv_tbl->cid;
 377                 req->icd_count++;
 378                 inv_tbl++;
 379         }
 380         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 381         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 382         sge->len = cpu_to_le32(nonemb_cmd->size);
 383
 384         be_mcc_notify(phba);
 385         spin_unlock(&ctrl->mbox_lock);
 386         return tag;
 387 }
 388
 389 unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
 390                                          struct beiscsi_endpoint *beiscsi_ep,
 391                                          unsigned short cid,
 392                                          unsigned short issue_reset,
 393                                          unsigned short savecfg_flag)
 394 {
 395         struct be_ctrl_info *ctrl = &phba->ctrl;
 396         struct be_mcc_wrb *wrb;
 397         struct iscsi_invalidate_connection_params_in *req;
 398         unsigned int tag = 0;
 399
 400         spin_lock(&ctrl->mbox_lock);
 401         tag = alloc_mcc_tag(phba);
 402         if (!tag) {
 403                 spin_unlock(&ctrl->mbox_lock);
 404                 return tag;
 405         }
 406         wrb = wrb_from_mccq(phba);
 407         wrb->tag0 |= tag;
 408         req = embedded_payload(wrb);
 409
 410         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 411         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 412                            OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
 413                            sizeof(*req));
 414         req->session_handle = beiscsi_ep->fw_handle;
 415         req->cid = cid;
 416         if (issue_reset)
 417                 req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
 418         else
 419                 req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
 420         req->save_cfg = savecfg_flag;
 421         be_mcc_notify(phba);
 422         spin_unlock(&ctrl->mbox_lock);
 423         return tag;
 424 }
 425
 426 unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
 427                                 unsigned short cid, unsigned int upload_flag)
 428 {
 429         struct be_ctrl_info *ctrl = &phba->ctrl;
 430         struct be_mcc_wrb *wrb;
 431         struct tcp_upload_params_in *req;
 432         unsigned int tag = 0;
 433
 434         spin_lock(&ctrl->mbox_lock);
 435         tag = alloc_mcc_tag(phba);
 436         if (!tag) {
 437                 spin_unlock(&ctrl->mbox_lock);
 438                 return tag;
 439         }
 440         wrb = wrb_from_mccq(phba);
 441         req = embedded_payload(wrb);
 442         wrb->tag0 |= tag;
 443
 444         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 445         be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
 446                            OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
 447         req->id = (unsigned short)cid;
 448         req->upload_type = (unsigned char)upload_flag;
 449         be_mcc_notify(phba);
 450         spin_unlock(&ctrl->mbox_lock);
 451         return tag;
 452 }
 453
 454 int mgmt_open_connection(struct beiscsi_hba *phba,
 455                          struct sockaddr *dst_addr,
 456                          struct beiscsi_endpoint *beiscsi_ep,
 457                          struct be_dma_mem *nonemb_cmd)
 458 {
 459         struct hwi_controller *phwi_ctrlr;
 460         struct hwi_context_memory *phwi_context;
 461         struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
 462         struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
 463         struct be_ctrl_info *ctrl = &phba->ctrl;
 464         struct be_mcc_wrb *wrb;
 465         struct tcp_connect_and_offload_in *req;
 466         unsigned short def_hdr_id;
 467         unsigned short def_data_id;
 468         struct phys_addr template_address = { 0, 0 };
 469         struct phys_addr *ptemplate_address;
 470         unsigned int tag = 0;
 471         unsigned int i;
 472         unsigned short cid = beiscsi_ep->ep_cid;
 473         struct be_sge *sge;
 474
 475         phwi_ctrlr = phba->phwi_ctrlr;
 476         phwi_context = phwi_ctrlr->phwi_ctxt;
 477         def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
 478         def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
 479
 480         ptemplate_address = &template_address;
 481         ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
 482         spin_lock(&ctrl->mbox_lock);
 483         tag = alloc_mcc_tag(phba);
 484         if (!tag) {
 485                 spin_unlock(&ctrl->mbox_lock);
 486                 return tag;
 487         }
 488         wrb = wrb_from_mccq(phba);
 489         memset(wrb, 0, sizeof(*wrb));
 490         sge = nonembedded_sgl(wrb);
 491
 492         req = nonemb_cmd->va;
 493         memset(req, 0, sizeof(*req));
 494         wrb->tag0 |= tag;
 495
 496         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 497         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 498                            OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
 499                            sizeof(*req));
 500         if (dst_addr->sa_family == PF_INET) {
 501                 __be32 s_addr = daddr_in->sin_addr.s_addr;
 502                 req->ip_address.ip_type = BE2_IPV4;
 503                 req->ip_address.addr[0] = s_addr & 0x000000ff;
 504                 req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
 505                 req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
 506                 req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
 507                 req->tcp_port = ntohs(daddr_in->sin_port);
 508                 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
 509                 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
 510                 beiscsi_ep->ip_type = BE2_IPV4;
 511         } else if (dst_addr->sa_family == PF_INET6) {
 512                 req->ip_address.ip_type = BE2_IPV6;
 513                 memcpy(&req->ip_address.addr,
 514                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 515                 req->tcp_port = ntohs(daddr_in6->sin6_port);
 516                 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
 517                 memcpy(&beiscsi_ep->dst6_addr,
 518                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 519                 beiscsi_ep->ip_type = BE2_IPV6;
 520         } else{
 521                 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
 522                             "BG_%d : unknown addr family %d\n",
 523                             dst_addr->sa_family);
 524                 spin_unlock(&ctrl->mbox_lock);
 525                 free_mcc_tag(&phba->ctrl, tag);
 526                 return -EINVAL;
 527
 528         }
 529         req->cid = cid;
 530         i = phba->nxt_cqid++;
 531         if (phba->nxt_cqid == phba->num_cpus)
 532                 phba->nxt_cqid = 0;
 533         req->cq_id = phwi_context->be_cq[i].id;
 534         beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
 535                     "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
 536         req->defq_id = def_hdr_id;
 537         req->hdr_ring_id = def_hdr_id;
 538         req->data_ring_id = def_data_id;
 539         req->do_offload = 1;
 540         req->dataout_template_pa.lo = ptemplate_address->lo;
 541         req->dataout_template_pa.hi = ptemplate_address->hi;
 542         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 543         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 544         sge->len = cpu_to_le32(nonemb_cmd->size);
 545         be_mcc_notify(phba);
 546         spin_unlock(&ctrl->mbox_lock);
 547         return tag;
 548 }
 549
 550 unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
 551 {
 552         struct be_ctrl_info *ctrl = &phba->ctrl;
 553         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 554         struct be_cmd_get_all_if_id_req *req = embedded_payload(wrb);
 555         struct be_cmd_get_all_if_id_req *pbe_allid = req;
 556         int status = 0;
 557
 558         memset(wrb, 0, sizeof(*wrb));
 559
 560         spin_lock(&ctrl->mbox_lock);
 561
 562         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 563         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 564                            OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
 565                            sizeof(*req));
 566         status = be_mbox_notify(ctrl);
 567         if (!status)
 568                 phba->interface_handle = pbe_allid->if_hndl_list[0];
 569         else {
 570                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 571                             "BG_%d : Failed in mgmt_get_all_if_id\n");
 572         }
 573         spin_unlock(&ctrl->mbox_lock);
 574
 575         return status;
 576 }
 577
 578 static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
 579                                 struct be_dma_mem *nonemb_cmd, void *resp_buf,
 580                                 int resp_buf_len)
 581 {
 582         struct be_ctrl_info *ctrl = &phba->ctrl;
 583         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 584         unsigned short status, extd_status;
 585         struct be_sge *sge;
 586         unsigned int tag;
 587         int rc = 0;
 588
 589         spin_lock(&ctrl->mbox_lock);
 590         tag = alloc_mcc_tag(phba);
 591         if (!tag) {
 592                 spin_unlock(&ctrl->mbox_lock);
 593                 rc = -ENOMEM;
 594                 goto free_cmd;
 595         }
 596         memset(wrb, 0, sizeof(*wrb));
 597         wrb->tag0 |= tag;
 598         sge = nonembedded_sgl(wrb);
 599
 600         be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
 601         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 602         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 603         sge->len = cpu_to_le32(nonemb_cmd->size);
 604
 605         be_mcc_notify(phba);
 606         spin_unlock(&ctrl->mbox_lock);
 607
 608         wait_event_interruptible(phba->ctrl.mcc_wait[tag],
 609                                  phba->ctrl.mcc_numtag[tag]);
 610
 611         extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
 612         status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
 613         if (status || extd_status) {
 614                 beiscsi_log(phba, KERN_ERR,
 615                             BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
 616                             "BG_%d : mgmt_exec_nonemb_cmd Failed status = %d"
 617                             "extd_status = %d\n", status, extd_status);
 618                 rc = -EIO;
 619                 goto free_tag;
 620         }
 621
 622         if (resp_buf)
 623                 memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
 624
 625 free_tag:
 626         free_mcc_tag(&phba->ctrl, tag);
 627 free_cmd:
 628         pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
 629                             nonemb_cmd->va, nonemb_cmd->dma);
 630         return rc;
 631 }
 632
 633 static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
 634                                int iscsi_cmd, int size)
 635 {
 636         cmd->va = pci_alloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
 637         if (!cmd->va) {
 638                 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
 639                             "BG_%d : Failed to allocate memory for if info\n");
 640                 return -ENOMEM;
 641         }
 642         memset(cmd->va, 0, size);
 643         cmd->size = size;
 644         be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
 645         return 0;
 646 }
 647
 648 static int
 649 mgmt_static_ip_modify(struct beiscsi_hba *phba,
 650                       struct be_cmd_get_if_info_resp *if_info,
 651                       struct iscsi_iface_param_info *ip_param,
 652                       struct iscsi_iface_param_info *subnet_param,
 653                       uint32_t ip_action)
 654 {
 655         struct be_cmd_set_ip_addr_req *req;
 656         struct be_dma_mem nonemb_cmd;
 657         uint32_t ip_type;
 658         int rc;
 659
 660         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 661                                  OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
 662                                  sizeof(*req));
 663         if (rc)
 664                 return rc;
 665
 666         ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 667                 BE2_IPV6 : BE2_IPV4 ;
 668
 669         req = nonemb_cmd.va;
 670         req->ip_params.record_entry_count = 1;
 671         req->ip_params.ip_record.action = ip_action;
 672         req->ip_params.ip_record.interface_hndl =
 673                 phba->interface_handle;
 674         req->ip_params.ip_record.ip_addr.size_of_structure =
 675                 sizeof(struct be_ip_addr_subnet_format);
 676         req->ip_params.ip_record.ip_addr.ip_type = ip_type;
 677
 678         if (ip_action == IP_ACTION_ADD) {
 679                 memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
 680                        ip_param->len);
 681
 682                 if (subnet_param)
 683                         memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
 684                                subnet_param->value, subnet_param->len);
 685         } else {
 686                 memcpy(req->ip_params.ip_record.ip_addr.addr,
 687                        if_info->ip_addr.addr, ip_param->len);
 688
 689                 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
 690                        if_info->ip_addr.subnet_mask, ip_param->len);
 691         }
 692
 693         rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 694         if (rc < 0)
 695                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 696                             "BG_%d : Failed to Modify existing IP Address\n");
 697         return rc;
 698 }
 699
 700 static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
 701                                uint32_t gtway_action, uint32_t param_len)
 702 {
 703         struct be_cmd_set_def_gateway_req *req;
 704         struct be_dma_mem nonemb_cmd;
 705         int rt_val;
 706
 707
 708         rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 709                                 OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
 710                                 sizeof(*req));
 711         if (rt_val)
 712                 return rt_val;
 713
 714         req = nonemb_cmd.va;
 715         req->action = gtway_action;
 716         req->ip_addr.ip_type = BE2_IPV4;
 717
 718         memcpy(req->ip_addr.addr, gt_addr, param_len);
 719
 720         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 721 }
 722
 723 int mgmt_set_ip(struct beiscsi_hba *phba,
 724                 struct iscsi_iface_param_info *ip_param,
 725                 struct iscsi_iface_param_info *subnet_param,
 726                 uint32_t boot_proto)
 727 {
 728         struct be_cmd_get_def_gateway_resp gtway_addr_set;
 729         struct be_cmd_get_if_info_resp if_info;
 730         struct be_cmd_set_dhcp_req *dhcpreq;
 731         struct be_cmd_rel_dhcp_req *reldhcp;
 732         struct be_dma_mem nonemb_cmd;
 733         uint8_t *gtway_addr;
 734         uint32_t ip_type;
 735         int rc;
 736
 737         if (mgmt_get_all_if_id(phba))
 738                 return -EIO;
 739
 740         memset(&if_info, 0, sizeof(if_info));
 741         ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 742                 BE2_IPV6 : BE2_IPV4 ;
 743
 744         rc = mgmt_get_if_info(phba, ip_type, &if_info);
 745         if (rc)
 746                 return rc;
 747
 748         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 749                 if (if_info.dhcp_state) {
 750                         beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 751                                     "BG_%d : DHCP Already Enabled\n");
 752                         return 0;
 753                 }
 754                 /* The ip_param->len is 1 in DHCP case. Setting
 755                    proper IP len as this it is used while
 756                    freeing the Static IP.
 757                  */
 758                 ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 759                                 IP_V6_LEN : IP_V4_LEN;
 760
 761         } else {
 762                 if (if_info.dhcp_state) {
 763
 764                         memset(&if_info, 0, sizeof(if_info));
 765                         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 766                                 OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
 767                                 sizeof(*reldhcp));
 768
 769                         if (rc)
 770                                 return rc;
 771
 772                         reldhcp = nonemb_cmd.va;
 773                         reldhcp->interface_hndl = phba->interface_handle;
 774                         reldhcp->ip_type = ip_type;
 775
 776                         rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 777                         if (rc < 0) {
 778                                 beiscsi_log(phba, KERN_WARNING,
 779                                             BEISCSI_LOG_CONFIG,
 780                                             "BG_%d : Failed to Delete existing dhcp\n");
 781                                 return rc;
 782                         }
 783                 }
 784         }
 785
 786         /* Delete the Static IP Set */
 787         if (if_info.ip_addr.addr[0]) {
 788                 rc = mgmt_static_ip_modify(phba, &if_info, ip_param, NULL,
 789                                            IP_ACTION_DEL);
 790                 if (rc)
 791                         return rc;
 792         }
 793
 794         /* Delete the Gateway settings if mode change is to DHCP */
 795         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 796                 memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
 797                 rc = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
 798                 if (rc) {
 799                         beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 800                                     "BG_%d : Failed to Get Gateway Addr\n");
 801                         return rc;
 802                 }
 803
 804                 if (gtway_addr_set.ip_addr.addr[0]) {
 805                         gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
 806                         rc = mgmt_modify_gateway(phba, gtway_addr,
 807                                                  IP_ACTION_DEL, IP_V4_LEN);
 808
 809                         if (rc) {
 810                                 beiscsi_log(phba, KERN_WARNING,
 811                                             BEISCSI_LOG_CONFIG,
 812                                             "BG_%d : Failed to clear Gateway Addr Set\n");
 813                                 return rc;
 814                         }
 815                 }
 816         }
 817
 818         /* Set Adapter to DHCP/Static Mode */
 819         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 820                 rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 821                         OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
 822                         sizeof(*dhcpreq));
 823                 if (rc)
 824                         return rc;
 825
 826                 dhcpreq = nonemb_cmd.va;
 827                 dhcpreq->flags = BLOCKING;
 828                 dhcpreq->retry_count = 1;
 829                 dhcpreq->interface_hndl = phba->interface_handle;
 830                 dhcpreq->ip_type = BE2_DHCP_V4;
 831
 832                 return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 833         } else {
 834                 return mgmt_static_ip_modify(phba, &if_info, ip_param,
 835                                              subnet_param, IP_ACTION_ADD);
 836         }
 837
 838         return rc;
 839 }
 840
 841 int mgmt_set_gateway(struct beiscsi_hba *phba,
 842                      struct iscsi_iface_param_info *gateway_param)
 843 {
 844         struct be_cmd_get_def_gateway_resp gtway_addr_set;
 845         uint8_t *gtway_addr;
 846         int rt_val;
 847
 848         memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
 849         rt_val = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
 850         if (rt_val) {
 851                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 852                             "BG_%d : Failed to Get Gateway Addr\n");
 853                 return rt_val;
 854         }
 855
 856         if (gtway_addr_set.ip_addr.addr[0]) {
 857                 gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
 858                 rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
 859                                              gateway_param->len);
 860                 if (rt_val) {
 861                         beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 862                                     "BG_%d : Failed to clear Gateway Addr Set\n");
 863                         return rt_val;
 864                 }
 865         }
 866
 867         gtway_addr = (uint8_t *)&gateway_param->value;
 868         rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
 869                                      gateway_param->len);
 870
 871         if (rt_val)
 872                 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
 873                             "BG_%d : Failed to Set Gateway Addr\n");
 874
 875         return rt_val;
 876 }
 877
 878 int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
 879                      struct be_cmd_get_def_gateway_resp *gateway)
 880 {
 881         struct be_cmd_get_def_gateway_req *req;
 882         struct be_dma_mem nonemb_cmd;
 883         int rc;
 884
 885         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 886                                  OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
 887                                  sizeof(*gateway));
 888         if (rc)
 889                 return rc;
 890
 891         req = nonemb_cmd.va;
 892         req->ip_type = ip_type;
 893
 894         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
 895                                     sizeof(*gateway));
 896 }
 897
 898 int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
 899                      struct be_cmd_get_if_info_resp *if_info)
 900 {
 901         struct be_cmd_get_if_info_req *req;
 902         struct be_dma_mem nonemb_cmd;
 903         int rc;
 904
 905         if (mgmt_get_all_if_id(phba))
 906                 return -EIO;
 907
 908         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 909                                  OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
 910                                  sizeof(*if_info));
 911         if (rc)
 912                 return rc;
 913
 914         req = nonemb_cmd.va;
 915         req->interface_hndl = phba->interface_handle;
 916         req->ip_type = ip_type;
 917
 918         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, if_info,
 919                                     sizeof(*if_info));
 920 }
 921
 922 int mgmt_get_nic_conf(struct beiscsi_hba *phba,
 923                       struct be_cmd_get_nic_conf_resp *nic)
 924 {
 925         struct be_dma_mem nonemb_cmd;
 926         int rc;
 927
 928         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 929                                  OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
 930                                  sizeof(*nic));
 931         if (rc)
 932                 return rc;
 933
 934         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, nic, sizeof(*nic));
 935 }
 936
 937
 938
 939 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
 940 {
 941         unsigned int tag = 0;
 942         struct be_mcc_wrb *wrb;
 943         struct be_cmd_hba_name *req;
 944         struct be_ctrl_info *ctrl = &phba->ctrl;
 945
 946         spin_lock(&ctrl->mbox_lock);
 947         tag = alloc_mcc_tag(phba);
 948         if (!tag) {
 949                 spin_unlock(&ctrl->mbox_lock);
 950                 return tag;
 951         }
 952
 953         wrb = wrb_from_mccq(phba);
 954         req = embedded_payload(wrb);
 955         wrb->tag0 |= tag;
 956         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 957         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 958                         OPCODE_ISCSI_INI_CFG_GET_HBA_NAME,
 959                         sizeof(*req));
 960
 961         be_mcc_notify(phba);
 962         spin_unlock(&ctrl->mbox_lock);
 963         return tag;
 964 }
 965
 966 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
 967 {
 968         unsigned int tag = 0;
 969         struct be_mcc_wrb *wrb;
 970         struct be_cmd_ntwk_link_status_req *req;
 971         struct be_ctrl_info *ctrl = &phba->ctrl;
 972
 973         spin_lock(&ctrl->mbox_lock);
 974         tag = alloc_mcc_tag(phba);
 975         if (!tag) {
 976                 spin_unlock(&ctrl->mbox_lock);
 977                 return tag;
 978         }
 979
 980         wrb = wrb_from_mccq(phba);
 981         req = embedded_payload(wrb);
 982         wrb->tag0 |= tag;
 983         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 984         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 985                         OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
 986                         sizeof(*req));
 987
 988         be_mcc_notify(phba);
 989         spin_unlock(&ctrl->mbox_lock);
 990         return tag;
 991 }
 992
 993 /**
 994  * be_mgmt_get_boot_shandle()- Get the session handle
 995  * @phba: device priv structure instance
 996  * @s_handle: session handle returned for boot session.
 997  *
 998  * Get the boot target session handle. In case of
 999  * crashdump mode driver has to issue and MBX Cmd
1000  * for FW to login to boot target
1001  *
1002  * return
1003  *      Success: 0
1004  *      Failure: Non-Zero value
1005  *
1006  **/
1007 int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
1008                               unsigned int *s_handle)
1009 {
1010         struct be_cmd_get_boot_target_resp *boot_resp;
1011         struct be_mcc_wrb *wrb;
1012         unsigned int tag, wrb_num;
1013         uint8_t boot_retry = 3;
1014         unsigned short status, extd_status;
1015         struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
1016
1017         do {
1018                 /* Get the Boot Target Session Handle and Count*/
1019                 tag = mgmt_get_boot_target(phba);
1020                 if (!tag) {
1021                         beiscsi_log(phba, KERN_ERR,
1022                                     BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
1023                                     "BG_%d : Getting Boot Target Info Failed\n");
1024                         return -EAGAIN;
1025                 } else
1026                         wait_event_interruptible(phba->ctrl.mcc_wait[tag],
1027                                                  phba->ctrl.mcc_numtag[tag]);
1028
1029                 wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
1030                 extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
1031                 status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
1032                 if (status || extd_status) {
1033                         beiscsi_log(phba, KERN_ERR,
1034                                     BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1035                                     "BG_%d : mgmt_get_boot_target Failed"
1036                                     " status = %d extd_status = %d\n",
1037                                     status, extd_status);
1038                         free_mcc_tag(&phba->ctrl, tag);
1039                         return -EBUSY;
1040                 }
1041                 wrb = queue_get_wrb(mccq, wrb_num);
1042                 free_mcc_tag(&phba->ctrl, tag);
1043                 boot_resp = embedded_payload(wrb);
1044
1045                 /* Check if the there are any Boot targets configured */
1046                 if (!boot_resp->boot_session_count) {
1047                         beiscsi_log(phba, KERN_INFO,
1048                                     BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1049                                     "BG_%d  ;No boot targets configured\n");
1050                         return -ENXIO;
1051                 }
1052
1053                 /* FW returns the session handle of the boot session */
1054                 if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
1055                         *s_handle = boot_resp->boot_session_handle;
1056                         return 0;
1057                 }
1058
1059                 /* Issue MBX Cmd to FW to login to the boot target */
1060                 tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
1061                                           INVALID_SESS_HANDLE);
1062                 if (!tag) {
1063                         beiscsi_log(phba, KERN_ERR,
1064                                     BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1065                                     "BG_%d : mgmt_reopen_session Failed\n");
1066                         return -EAGAIN;
1067                 } else
1068                         wait_event_interruptible(phba->ctrl.mcc_wait[tag],
1069                                                  phba->ctrl.mcc_numtag[tag]);
1070
1071                 wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
1072                 extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
1073                 status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
1074                 if (status || extd_status) {
1075                         beiscsi_log(phba, KERN_ERR,
1076                                     BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1077                                     "BG_%d : mgmt_reopen_session Failed"
1078                                     " status = %d extd_status = %d\n",
1079                                     status, extd_status);
1080                         free_mcc_tag(&phba->ctrl, tag);
1081                         return -EBUSY;
1082                 }
1083                 free_mcc_tag(&phba->ctrl, tag);
1084
1085         } while (--boot_retry);
1086
1087         /* Couldn't log into the boot target */
1088         beiscsi_log(phba, KERN_ERR,
1089                     BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1090                     "BG_%d : Login to Boot Target Failed\n");
1091         return -ENXIO;
1092 }
1093
1094 /**
1095  * mgmt_set_vlan()- Issue and wait for CMD completion
1096  * @phba: device private structure instance
1097  * @vlan_tag: VLAN tag
1098  *
1099  * Issue the MBX Cmd and wait for the completion of the
1100  * command.
1101  *
1102  * returns
1103  *      Success: 0
1104  *      Failure: Non-Xero Value
1105  **/
1106 int mgmt_set_vlan(struct beiscsi_hba *phba,
1107                    uint16_t vlan_tag)
1108 {
1109         unsigned int tag, wrb_num;
1110         unsigned short status, extd_status;
1111
1112         tag = be_cmd_set_vlan(phba, vlan_tag);
1113         if (!tag) {
1114                 beiscsi_log(phba, KERN_ERR,
1115                             (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
1116                             "BG_%d : VLAN Setting Failed\n");
1117                 return -EBUSY;
1118         } else
1119                 wait_event_interruptible(phba->ctrl.mcc_wait[tag],
1120                                          phba->ctrl.mcc_numtag[tag]);
1121
1122         wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
1123         extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
1124         status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
1125
1126         if (status || extd_status) {
1127                 beiscsi_log(phba, KERN_ERR,
1128                             (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
1129                             "BS_%d : status : %d extd_status : %d\n",
1130                             status, extd_status);
1131
1132                 free_mcc_tag(&phba->ctrl, tag);
1133                 return -EAGAIN;
1134         }
1135
1136         free_mcc_tag(&phba->ctrl, tag);
1137         return 0;
1138 }
1139
1140 /**
1141  * beiscsi_drvr_ver_disp()- Display the driver Name and Version
1142  * @dev: ptr to device not used.
1143  * @attr: device attribute, not used.
1144  * @buf: contains formatted text driver name and version
1145  *
1146  * return
1147  * size of the formatted string
1148  **/
1149 ssize_t
1150 beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
1151                        char *buf)
1152 {
1153         return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
1154 }
1155
1156 void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
1157                              struct wrb_handle *pwrb_handle,
1158                              struct be_mem_descriptor *mem_descr)
1159 {
1160         struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1161
1162         memset(pwrb, 0, sizeof(*pwrb));
1163         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1164                       max_send_data_segment_length, pwrb,
1165                       params->dw[offsetof(struct amap_beiscsi_offload_params,
1166                       max_send_data_segment_length) / 32]);
1167         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
1168                       BE_TGT_CTX_UPDT_CMD);
1169         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1170                       first_burst_length,
1171                       pwrb,
1172                       params->dw[offsetof(struct amap_beiscsi_offload_params,
1173                       first_burst_length) / 32]);
1174         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
1175                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1176                       erl) / 32] & OFFLD_PARAMS_ERL));
1177         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
1178                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1179                        dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1180         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
1181                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1182                       hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1183         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
1184                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1185                       ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1186         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
1187                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1188                       imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1189         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
1190                       pwrb,
1191                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1192                       exp_statsn) / 32] + 1));
1193         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
1194                       pwrb, pwrb_handle->wrb_index);
1195
1196         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1197                       max_burst_length, pwrb, params->dw[offsetof
1198                       (struct amap_beiscsi_offload_params,
1199                       max_burst_length) / 32]);
1200
1201         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
1202                       pwrb, pwrb_handle->nxt_wrb_index);
1203         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1204                       session_state, pwrb, 0);
1205         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
1206                       pwrb, 1);
1207         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
1208                       pwrb, 0);
1209         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
1210                       0);
1211
1212         mem_descr += ISCSI_MEM_GLOBAL_HEADER;
1213         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1214                       pad_buffer_addr_hi, pwrb,
1215                       mem_descr->mem_array[0].bus_address.u.a32.address_hi);
1216         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1217                       pad_buffer_addr_lo, pwrb,
1218                       mem_descr->mem_array[0].bus_address.u.a32.address_lo);
1219 }
1220
1221 void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
1222                              struct wrb_handle *pwrb_handle)
1223 {
1224         struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1225
1226         memset(pwrb, 0, sizeof(*pwrb));
1227
1228         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1229                       max_burst_length, pwrb, params->dw[offsetof
1230                       (struct amap_beiscsi_offload_params,
1231                       max_burst_length) / 32]);
1232         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1233                       max_burst_length, pwrb, params->dw[offsetof
1234                       (struct amap_beiscsi_offload_params,
1235                       max_burst_length) / 32]);
1236         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1237                       type, pwrb,
1238                       BE_TGT_CTX_UPDT_CMD);
1239         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1240                       ptr2nextwrb,
1241                       pwrb, pwrb_handle->nxt_wrb_index);
1242         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
1243                       pwrb, pwrb_handle->wrb_index);
1244         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1245                       max_send_data_segment_length, pwrb,
1246                       params->dw[offsetof(struct amap_beiscsi_offload_params,
1247                       max_send_data_segment_length) / 32]);
1248         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1249                       first_burst_length, pwrb,
1250                       params->dw[offsetof(struct amap_beiscsi_offload_params,
1251                       first_burst_length) / 32]);
1252         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1253                       max_recv_dataseg_len, pwrb, BEISCSI_MAX_RECV_DATASEG_LEN);
1254         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1255                       max_cxns, pwrb, BEISCSI_MAX_CXNS);
1256         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
1257                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1258                       erl) / 32] & OFFLD_PARAMS_ERL));
1259         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
1260                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1261                       dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1262         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
1263                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1264                       hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1265         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1266                       ir2t, pwrb,
1267                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1268                       ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1269         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
1270                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1271                       imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1272         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1273                       data_seq_inorder,
1274                       pwrb,
1275                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1276                       data_seq_inorder) / 32] &
1277                       OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
1278         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1279                       pdu_seq_inorder,
1280                       pwrb,
1281                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1282                       pdu_seq_inorder) / 32] &
1283                       OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
1284         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
1285                       pwrb,
1286                       (params->dw[offsetof(struct amap_beiscsi_offload_params,
1287                       max_r2t) / 32] &
1288                       OFFLD_PARAMS_MAX_R2T) >> 8);
1289         AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
1290                       pwrb,
1291                      (params->dw[offsetof(struct amap_beiscsi_offload_params,
1292                       exp_statsn) / 32] + 1));
1293 }