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 unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
  27 {
  28         struct be_ctrl_info *ctrl = &phba->ctrl;
  29         struct be_mcc_wrb *wrb;
  30         struct be_cmd_get_boot_target_req *req;
  31         unsigned int tag = 0;
  32
  33         SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
  34         spin_lock(&ctrl->mbox_lock);
  35         tag = alloc_mcc_tag(phba);
  36         if (!tag) {
  37                 spin_unlock(&ctrl->mbox_lock);
  38                 return tag;
  39         }
  40
  41         wrb = wrb_from_mccq(phba);
  42         req = embedded_payload(wrb);
  43         wrb->tag0 |= tag;
  44         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
  45         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
  46                            OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
  47                            sizeof(struct be_cmd_get_boot_target_resp));
  48
  49         be_mcc_notify(phba);
  50         spin_unlock(&ctrl->mbox_lock);
  51         return tag;
  52 }
  53
  54 unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
  55                                    u32 boot_session_handle,
  56                                    struct be_dma_mem *nonemb_cmd)
  57 {
  58         struct be_ctrl_info *ctrl = &phba->ctrl;
  59         struct be_mcc_wrb *wrb;
  60         unsigned int tag = 0;
  61         struct  be_cmd_get_session_req *req;
  62         struct be_cmd_get_session_resp *resp;
  63         struct be_sge *sge;
  64
  65         SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
  66         spin_lock(&ctrl->mbox_lock);
  67         tag = alloc_mcc_tag(phba);
  68         if (!tag) {
  69                 spin_unlock(&ctrl->mbox_lock);
  70                 return tag;
  71         }
  72
  73         nonemb_cmd->size = sizeof(*resp);
  74         req = nonemb_cmd->va;
  75         memset(req, 0, sizeof(*req));
  76         wrb = wrb_from_mccq(phba);
  77         sge = nonembedded_sgl(wrb);
  78         wrb->tag0 |= tag;
  79
  80
  81         wrb->tag0 |= tag;
  82         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
  83         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
  84                            OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
  85                            sizeof(*resp));
  86         req->session_handle = boot_session_handle;
  87         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
  88         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
  89         sge->len = cpu_to_le32(nonemb_cmd->size);
  90
  91         be_mcc_notify(phba);
  92         spin_unlock(&ctrl->mbox_lock);
  93         return tag;
  94 }
  95
  96 int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
  97                                 struct beiscsi_hba *phba)
  98 {
  99         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 100         struct be_fw_cfg *req = embedded_payload(wrb);
 101         int status = 0;
 102
 103         spin_lock(&ctrl->mbox_lock);
 104         memset(wrb, 0, sizeof(*wrb));
 105
 106         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 107
 108         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 109                            OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
 110         status = be_mbox_notify(ctrl);
 111         if (!status) {
 112                 struct be_fw_cfg *pfw_cfg;
 113                 pfw_cfg = req;
 114                 phba->fw_config.phys_port = pfw_cfg->phys_port;
 115                 phba->fw_config.iscsi_icd_start =
 116                                         pfw_cfg->ulp[0].icd_base;
 117                 phba->fw_config.iscsi_icd_count =
 118                                         pfw_cfg->ulp[0].icd_count;
 119                 phba->fw_config.iscsi_cid_start =
 120                                         pfw_cfg->ulp[0].sq_base;
 121                 phba->fw_config.iscsi_cid_count =
 122                                         pfw_cfg->ulp[0].sq_count;
 123                 if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
 124                         SE_DEBUG(DBG_LVL_8,
 125                                 "FW reported MAX CXNS as %d\t"
 126                                 "Max Supported = %d.\n",
 127                                 phba->fw_config.iscsi_cid_count,
 128                                 BE2_MAX_SESSIONS);
 129                         phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
 130                 }
 131         } else {
 132                 shost_printk(KERN_WARNING, phba->shost,
 133                              "Failed in mgmt_get_fw_config\n");
 134         }
 135
 136         spin_unlock(&ctrl->mbox_lock);
 137         return status;
 138 }
 139
 140 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 141                                       struct beiscsi_hba *phba)
 142 {
 143         struct be_dma_mem nonemb_cmd;
 144         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 145         struct be_mgmt_controller_attributes *req;
 146         struct be_sge *sge = nonembedded_sgl(wrb);
 147         int status = 0;
 148
 149         nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
 150                                 sizeof(struct be_mgmt_controller_attributes),
 151                                 &nonemb_cmd.dma);
 152         if (nonemb_cmd.va == NULL) {
 153                 SE_DEBUG(DBG_LVL_1,
 154                          "Failed to allocate memory for mgmt_check_supported_fw"
 155                          "\n");
 156                 return -ENOMEM;
 157         }
 158         nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
 159         req = nonemb_cmd.va;
 160         memset(req, 0, sizeof(*req));
 161         spin_lock(&ctrl->mbox_lock);
 162         memset(wrb, 0, sizeof(*wrb));
 163         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 164         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 165                            OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
 166         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 167         sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 168         sge->len = cpu_to_le32(nonemb_cmd.size);
 169         status = be_mbox_notify(ctrl);
 170         if (!status) {
 171                 struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
 172                 SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
 173                         resp->params.hba_attribs.flashrom_version_string);
 174                 SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
 175                         resp->params.hba_attribs.firmware_version_string);
 176                 SE_DEBUG(DBG_LVL_8,
 177                         "Developer Build, not performing version check...\n");
 178                 phba->fw_config.iscsi_features =
 179                                 resp->params.hba_attribs.iscsi_features;
 180                 SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
 181                                       phba->fw_config.iscsi_features);
 182         } else
 183                 SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
 184         spin_unlock(&ctrl->mbox_lock);
 185         if (nonemb_cmd.va)
 186                 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 187                                     nonemb_cmd.va, nonemb_cmd.dma);
 188
 189         return status;
 190 }
 191
 192 unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
 193                                          struct beiscsi_hba *phba,
 194                                          struct bsg_job *job,
 195                                          struct be_dma_mem *nonemb_cmd)
 196 {
 197         struct be_cmd_resp_hdr *resp;
 198         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 199         struct be_sge *mcc_sge = nonembedded_sgl(wrb);
 200         unsigned int tag = 0;
 201         struct iscsi_bsg_request *bsg_req = job->request;
 202         struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
 203         unsigned short region, sector_size, sector, offset;
 204
 205         nonemb_cmd->size = job->request_payload.payload_len;
 206         memset(nonemb_cmd->va, 0, nonemb_cmd->size);
 207         resp = nonemb_cmd->va;
 208         region =  bsg_req->rqst_data.h_vendor.vendor_cmd[1];
 209         sector_size =  bsg_req->rqst_data.h_vendor.vendor_cmd[2];
 210         sector =  bsg_req->rqst_data.h_vendor.vendor_cmd[3];
 211         offset =  bsg_req->rqst_data.h_vendor.vendor_cmd[4];
 212         req->region = region;
 213         req->sector = sector;
 214         req->offset = offset;
 215         spin_lock(&ctrl->mbox_lock);
 216         memset(wrb, 0, sizeof(*wrb));
 217
 218         switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
 219         case BEISCSI_WRITE_FLASH:
 220                 offset = sector * sector_size + offset;
 221                 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 222                                    OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
 223                 sg_copy_to_buffer(job->request_payload.sg_list,
 224                                   job->request_payload.sg_cnt,
 225                                   nonemb_cmd->va + offset, job->request_len);
 226                 break;
 227         case BEISCSI_READ_FLASH:
 228                 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 229                            OPCODE_COMMON_READ_FLASH, sizeof(*req));
 230                 break;
 231         default:
 232                 shost_printk(KERN_WARNING, phba->shost,
 233                              "Unsupported cmd = 0x%x\n\n", bsg_req->rqst_data.
 234                              h_vendor.vendor_cmd[0]);
 235                 spin_unlock(&ctrl->mbox_lock);
 236                 return -ENOSYS;
 237         }
 238
 239         tag = alloc_mcc_tag(phba);
 240         if (!tag) {
 241                 spin_unlock(&ctrl->mbox_lock);
 242                 return tag;
 243         }
 244
 245         be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
 246                            job->request_payload.sg_cnt);
 247         mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 248         mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 249         mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
 250         wrb->tag0 |= tag;
 251
 252         be_mcc_notify(phba);
 253
 254         spin_unlock(&ctrl->mbox_lock);
 255         return tag;
 256 }
 257
 258 int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
 259 {
 260         struct be_ctrl_info *ctrl = &phba->ctrl;
 261         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 262         struct iscsi_cleanup_req *req = embedded_payload(wrb);
 263         int status = 0;
 264
 265         spin_lock(&ctrl->mbox_lock);
 266         memset(wrb, 0, sizeof(*wrb));
 267
 268         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 269         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 270                            OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
 271
 272         req->chute = chute;
 273         req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
 274         req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
 275
 276         status =  be_mcc_notify_wait(phba);
 277         if (status)
 278                 shost_printk(KERN_WARNING, phba->shost,
 279                              " mgmt_epfw_cleanup , FAILED\n");
 280         spin_unlock(&ctrl->mbox_lock);
 281         return status;
 282 }
 283
 284 unsigned int  mgmt_invalidate_icds(struct beiscsi_hba *phba,
 285                                 struct invalidate_command_table *inv_tbl,
 286                                 unsigned int num_invalidate, unsigned int cid,
 287                                 struct be_dma_mem *nonemb_cmd)
 288
 289 {
 290         struct be_ctrl_info *ctrl = &phba->ctrl;
 291         struct be_mcc_wrb *wrb;
 292         struct be_sge *sge;
 293         struct invalidate_commands_params_in *req;
 294         unsigned int i, tag = 0;
 295
 296         spin_lock(&ctrl->mbox_lock);
 297         tag = alloc_mcc_tag(phba);
 298         if (!tag) {
 299                 spin_unlock(&ctrl->mbox_lock);
 300                 return tag;
 301         }
 302
 303         req = nonemb_cmd->va;
 304         memset(req, 0, sizeof(*req));
 305         wrb = wrb_from_mccq(phba);
 306         sge = nonembedded_sgl(wrb);
 307         wrb->tag0 |= tag;
 308
 309         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 310         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 311                         OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
 312                         sizeof(*req));
 313         req->ref_handle = 0;
 314         req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
 315         for (i = 0; i < num_invalidate; i++) {
 316                 req->table[i].icd = inv_tbl->icd;
 317                 req->table[i].cid = inv_tbl->cid;
 318                 req->icd_count++;
 319                 inv_tbl++;
 320         }
 321         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 322         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 323         sge->len = cpu_to_le32(nonemb_cmd->size);
 324
 325         be_mcc_notify(phba);
 326         spin_unlock(&ctrl->mbox_lock);
 327         return tag;
 328 }
 329
 330 unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
 331                                          struct beiscsi_endpoint *beiscsi_ep,
 332                                          unsigned short cid,
 333                                          unsigned short issue_reset,
 334                                          unsigned short savecfg_flag)
 335 {
 336         struct be_ctrl_info *ctrl = &phba->ctrl;
 337         struct be_mcc_wrb *wrb;
 338         struct iscsi_invalidate_connection_params_in *req;
 339         unsigned int tag = 0;
 340
 341         spin_lock(&ctrl->mbox_lock);
 342         tag = alloc_mcc_tag(phba);
 343         if (!tag) {
 344                 spin_unlock(&ctrl->mbox_lock);
 345                 return tag;
 346         }
 347         wrb = wrb_from_mccq(phba);
 348         wrb->tag0 |= tag;
 349         req = embedded_payload(wrb);
 350
 351         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 352         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 353                            OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
 354                            sizeof(*req));
 355         req->session_handle = beiscsi_ep->fw_handle;
 356         req->cid = cid;
 357         if (issue_reset)
 358                 req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
 359         else
 360                 req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
 361         req->save_cfg = savecfg_flag;
 362         be_mcc_notify(phba);
 363         spin_unlock(&ctrl->mbox_lock);
 364         return tag;
 365 }
 366
 367 unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
 368                                 unsigned short cid, unsigned int upload_flag)
 369 {
 370         struct be_ctrl_info *ctrl = &phba->ctrl;
 371         struct be_mcc_wrb *wrb;
 372         struct tcp_upload_params_in *req;
 373         unsigned int tag = 0;
 374
 375         spin_lock(&ctrl->mbox_lock);
 376         tag = alloc_mcc_tag(phba);
 377         if (!tag) {
 378                 spin_unlock(&ctrl->mbox_lock);
 379                 return tag;
 380         }
 381         wrb = wrb_from_mccq(phba);
 382         req = embedded_payload(wrb);
 383         wrb->tag0 |= tag;
 384
 385         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 386         be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
 387                            OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
 388         req->id = (unsigned short)cid;
 389         req->upload_type = (unsigned char)upload_flag;
 390         be_mcc_notify(phba);
 391         spin_unlock(&ctrl->mbox_lock);
 392         return tag;
 393 }
 394
 395 int mgmt_open_connection(struct beiscsi_hba *phba,
 396                          struct sockaddr *dst_addr,
 397                          struct beiscsi_endpoint *beiscsi_ep,
 398                          struct be_dma_mem *nonemb_cmd)
 399 {
 400         struct hwi_controller *phwi_ctrlr;
 401         struct hwi_context_memory *phwi_context;
 402         struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
 403         struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
 404         struct be_ctrl_info *ctrl = &phba->ctrl;
 405         struct be_mcc_wrb *wrb;
 406         struct tcp_connect_and_offload_in *req;
 407         unsigned short def_hdr_id;
 408         unsigned short def_data_id;
 409         struct phys_addr template_address = { 0, 0 };
 410         struct phys_addr *ptemplate_address;
 411         unsigned int tag = 0;
 412         unsigned int i;
 413         unsigned short cid = beiscsi_ep->ep_cid;
 414         struct be_sge *sge;
 415
 416         phwi_ctrlr = phba->phwi_ctrlr;
 417         phwi_context = phwi_ctrlr->phwi_ctxt;
 418         def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
 419         def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
 420
 421         ptemplate_address = &template_address;
 422         ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
 423         spin_lock(&ctrl->mbox_lock);
 424         tag = alloc_mcc_tag(phba);
 425         if (!tag) {
 426                 spin_unlock(&ctrl->mbox_lock);
 427                 return tag;
 428         }
 429         wrb = wrb_from_mccq(phba);
 430         memset(wrb, 0, sizeof(*wrb));
 431         sge = nonembedded_sgl(wrb);
 432
 433         req = nonemb_cmd->va;
 434         memset(req, 0, sizeof(*req));
 435         wrb->tag0 |= tag;
 436
 437         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 438         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 439                            OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
 440                            sizeof(*req));
 441         if (dst_addr->sa_family == PF_INET) {
 442                 __be32 s_addr = daddr_in->sin_addr.s_addr;
 443                 req->ip_address.ip_type = BE2_IPV4;
 444                 req->ip_address.addr[0] = s_addr & 0x000000ff;
 445                 req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
 446                 req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
 447                 req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
 448                 req->tcp_port = ntohs(daddr_in->sin_port);
 449                 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
 450                 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
 451                 beiscsi_ep->ip_type = BE2_IPV4;
 452         } else if (dst_addr->sa_family == PF_INET6) {
 453                 req->ip_address.ip_type = BE2_IPV6;
 454                 memcpy(&req->ip_address.addr,
 455                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 456                 req->tcp_port = ntohs(daddr_in6->sin6_port);
 457                 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
 458                 memcpy(&beiscsi_ep->dst6_addr,
 459                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 460                 beiscsi_ep->ip_type = BE2_IPV6;
 461         } else{
 462                 shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
 463                              dst_addr->sa_family);
 464                 spin_unlock(&ctrl->mbox_lock);
 465                 free_mcc_tag(&phba->ctrl, tag);
 466                 return -EINVAL;
 467
 468         }
 469         req->cid = cid;
 470         i = phba->nxt_cqid++;
 471         if (phba->nxt_cqid == phba->num_cpus)
 472                 phba->nxt_cqid = 0;
 473         req->cq_id = phwi_context->be_cq[i].id;
 474         SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id);
 475         req->defq_id = def_hdr_id;
 476         req->hdr_ring_id = def_hdr_id;
 477         req->data_ring_id = def_data_id;
 478         req->do_offload = 1;
 479         req->dataout_template_pa.lo = ptemplate_address->lo;
 480         req->dataout_template_pa.hi = ptemplate_address->hi;
 481         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 482         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 483         sge->len = cpu_to_le32(nonemb_cmd->size);
 484         be_mcc_notify(phba);
 485         spin_unlock(&ctrl->mbox_lock);
 486         return tag;
 487 }
 488
 489 unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
 490 {
 491         struct be_ctrl_info *ctrl = &phba->ctrl;
 492         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 493         struct be_cmd_get_all_if_id_req *req = embedded_payload(wrb);
 494         struct be_cmd_get_all_if_id_req *pbe_allid = req;
 495         int status = 0;
 496
 497         memset(wrb, 0, sizeof(*wrb));
 498
 499         spin_lock(&ctrl->mbox_lock);
 500
 501         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 502         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 503                            OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
 504                            sizeof(*req));
 505         status = be_mbox_notify(ctrl);
 506         if (!status)
 507                 phba->interface_handle = pbe_allid->if_hndl_list[0];
 508         else {
 509                 shost_printk(KERN_WARNING, phba->shost,
 510                              "Failed in mgmt_get_all_if_id\n");
 511         }
 512         spin_unlock(&ctrl->mbox_lock);
 513
 514         return status;
 515 }
 516
 517 static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
 518                                 struct be_dma_mem *nonemb_cmd, void *resp_buf,
 519                                 int resp_buf_len)
 520 {
 521         struct be_ctrl_info *ctrl = &phba->ctrl;
 522         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 523         unsigned short status, extd_status;
 524         struct be_sge *sge;
 525         unsigned int tag;
 526         int rc = 0;
 527
 528         spin_lock(&ctrl->mbox_lock);
 529         tag = alloc_mcc_tag(phba);
 530         if (!tag) {
 531                 spin_unlock(&ctrl->mbox_lock);
 532                 rc = -ENOMEM;
 533                 goto free_cmd;
 534         }
 535         memset(wrb, 0, sizeof(*wrb));
 536         wrb->tag0 |= tag;
 537         sge = nonembedded_sgl(wrb);
 538
 539         be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
 540         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 541         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 542         sge->len = cpu_to_le32(nonemb_cmd->size);
 543
 544         be_mcc_notify(phba);
 545         spin_unlock(&ctrl->mbox_lock);
 546
 547         wait_event_interruptible(phba->ctrl.mcc_wait[tag],
 548                                  phba->ctrl.mcc_numtag[tag]);
 549
 550         extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
 551         status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
 552         if (status || extd_status) {
 553                 SE_DEBUG(DBG_LVL_1,
 554                          "mgmt_exec_nonemb_cmd Failed status = %d"
 555                          "extd_status = %d\n", status, extd_status);
 556                 rc = -EIO;
 557                 goto free_tag;
 558         }
 559
 560         if (resp_buf)
 561                 memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
 562
 563 free_tag:
 564         free_mcc_tag(&phba->ctrl, tag);
 565 free_cmd:
 566         pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
 567                             nonemb_cmd->va, nonemb_cmd->dma);
 568         return rc;
 569 }
 570
 571 static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
 572                                int iscsi_cmd, int size)
 573 {
 574         cmd->va = pci_alloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
 575         if (!cmd->va) {
 576                 SE_DEBUG(DBG_LVL_1, "Failed to allocate memory for if info\n");
 577                 return -ENOMEM;
 578         }
 579         memset(cmd->va, 0, size);
 580         cmd->size = size;
 581         be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
 582         return 0;
 583 }
 584
 585 static int
 586 mgmt_static_ip_modify(struct beiscsi_hba *phba,
 587                       struct be_cmd_get_if_info_resp *if_info,
 588                       struct iscsi_iface_param_info *ip_param,
 589                       struct iscsi_iface_param_info *subnet_param,
 590                       uint32_t ip_action)
 591 {
 592         struct be_cmd_set_ip_addr_req *req;
 593         struct be_dma_mem nonemb_cmd;
 594         uint32_t ip_type;
 595         int rc;
 596
 597         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 598                                  OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
 599                                  sizeof(*req));
 600         if (rc)
 601                 return rc;
 602
 603         ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 604                 BE2_IPV6 : BE2_IPV4 ;
 605
 606         req = nonemb_cmd.va;
 607         req->ip_params.record_entry_count = 1;
 608         req->ip_params.ip_record.action = ip_action;
 609         req->ip_params.ip_record.interface_hndl =
 610                 phba->interface_handle;
 611         req->ip_params.ip_record.ip_addr.size_of_structure =
 612                 sizeof(struct be_ip_addr_subnet_format);
 613         req->ip_params.ip_record.ip_addr.ip_type = ip_type;
 614
 615         if (ip_action == IP_ACTION_ADD) {
 616                 memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
 617                        ip_param->len);
 618
 619                 if (subnet_param)
 620                         memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
 621                                subnet_param->value, subnet_param->len);
 622         } else {
 623                 memcpy(req->ip_params.ip_record.ip_addr.addr,
 624                        if_info->ip_addr.addr, ip_param->len);
 625
 626                 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
 627                        if_info->ip_addr.subnet_mask, ip_param->len);
 628         }
 629
 630         rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 631         if (rc < 0)
 632                 shost_printk(KERN_WARNING, phba->shost,
 633                              "Failed to Modify existing IP Address\n");
 634         return rc;
 635 }
 636
 637 static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
 638                                uint32_t gtway_action, uint32_t param_len)
 639 {
 640         struct be_cmd_set_def_gateway_req *req;
 641         struct be_dma_mem nonemb_cmd;
 642         int rt_val;
 643
 644
 645         rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 646                                 OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
 647                                 sizeof(*req));
 648         if (rt_val)
 649                 return rt_val;
 650
 651         req = nonemb_cmd.va;
 652         req->action = gtway_action;
 653         req->ip_addr.ip_type = BE2_IPV4;
 654
 655         memcpy(req->ip_addr.addr, gt_addr, param_len);
 656
 657         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 658 }
 659
 660 int mgmt_set_ip(struct beiscsi_hba *phba,
 661                 struct iscsi_iface_param_info *ip_param,
 662                 struct iscsi_iface_param_info *subnet_param,
 663                 uint32_t boot_proto)
 664 {
 665         struct be_cmd_get_def_gateway_resp gtway_addr_set;
 666         struct be_cmd_get_if_info_resp if_info;
 667         struct be_cmd_set_dhcp_req *dhcpreq;
 668         struct be_cmd_rel_dhcp_req *reldhcp;
 669         struct be_dma_mem nonemb_cmd;
 670         uint8_t *gtway_addr;
 671         uint32_t ip_type;
 672         int rc;
 673
 674         if (mgmt_get_all_if_id(phba))
 675                 return -EIO;
 676
 677         memset(&if_info, 0, sizeof(if_info));
 678         ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 679                 BE2_IPV6 : BE2_IPV4 ;
 680
 681         rc = mgmt_get_if_info(phba, ip_type, &if_info);
 682         if (rc)
 683                 return rc;
 684
 685         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 686                 if (if_info.dhcp_state) {
 687                         shost_printk(KERN_WARNING, phba->shost,
 688                                      "DHCP Already Enabled\n");
 689                         return 0;
 690                 }
 691                 /* The ip_param->len is 1 in DHCP case. Setting
 692                    proper IP len as this it is used while
 693                    freeing the Static IP.
 694                  */
 695                 ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
 696                                 IP_V6_LEN : IP_V4_LEN;
 697
 698         } else {
 699                 if (if_info.dhcp_state) {
 700
 701                         memset(&if_info, 0, sizeof(if_info));
 702                         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 703                                 OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
 704                                 sizeof(*reldhcp));
 705
 706                         if (rc)
 707                                 return rc;
 708
 709                         reldhcp = nonemb_cmd.va;
 710                         reldhcp->interface_hndl = phba->interface_handle;
 711                         reldhcp->ip_type = ip_type;
 712
 713                         rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 714                         if (rc < 0) {
 715                                 shost_printk(KERN_WARNING, phba->shost,
 716                                              "Failed to Delete existing dhcp\n");
 717                                 return rc;
 718                         }
 719                 }
 720         }
 721
 722         /* Delete the Static IP Set */
 723         if (if_info.ip_addr.addr[0]) {
 724                 rc = mgmt_static_ip_modify(phba, &if_info, ip_param, NULL,
 725                                            IP_ACTION_DEL);
 726                 if (rc)
 727                         return rc;
 728         }
 729
 730         /* Delete the Gateway settings if mode change is to DHCP */
 731         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 732                 memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
 733                 rc = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
 734                 if (rc) {
 735                         shost_printk(KERN_WARNING, phba->shost,
 736                                      "Failed to Get Gateway Addr\n");
 737                         return rc;
 738                 }
 739
 740                 if (gtway_addr_set.ip_addr.addr[0]) {
 741                         gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
 742                         rc = mgmt_modify_gateway(phba, gtway_addr,
 743                                                  IP_ACTION_DEL, IP_V4_LEN);
 744
 745                         if (rc) {
 746                                 shost_printk(KERN_WARNING, phba->shost,
 747                                              "Failed to clear Gateway Addr Set\n");
 748                                 return rc;
 749                         }
 750                 }
 751         }
 752
 753         /* Set Adapter to DHCP/Static Mode */
 754         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 755                 rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 756                         OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
 757                         sizeof(*dhcpreq));
 758                 if (rc)
 759                         return rc;
 760
 761                 dhcpreq = nonemb_cmd.va;
 762                 dhcpreq->flags = BLOCKING;
 763                 dhcpreq->retry_count = 1;
 764                 dhcpreq->interface_hndl = phba->interface_handle;
 765                 dhcpreq->ip_type = BE2_DHCP_V4;
 766
 767                 return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
 768         } else {
 769                 return mgmt_static_ip_modify(phba, &if_info, ip_param,
 770                                              subnet_param, IP_ACTION_ADD);
 771         }
 772
 773         return rc;
 774 }
 775
 776 int mgmt_set_gateway(struct beiscsi_hba *phba,
 777                      struct iscsi_iface_param_info *gateway_param)
 778 {
 779         struct be_cmd_get_def_gateway_resp gtway_addr_set;
 780         uint8_t *gtway_addr;
 781         int rt_val;
 782
 783         memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
 784         rt_val = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
 785         if (rt_val) {
 786                 shost_printk(KERN_WARNING, phba->shost,
 787                              "Failed to Get Gateway Addr\n");
 788                 return rt_val;
 789         }
 790
 791         if (gtway_addr_set.ip_addr.addr[0]) {
 792                 gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
 793                 rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
 794                                              gateway_param->len);
 795                 if (rt_val) {
 796                         shost_printk(KERN_WARNING, phba->shost,
 797                                      "Failed to clear Gateway Addr Set\n");
 798                         return rt_val;
 799                 }
 800         }
 801
 802         gtway_addr = (uint8_t *)&gateway_param->value;
 803         rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
 804                                      gateway_param->len);
 805
 806         if (rt_val)
 807                 shost_printk(KERN_WARNING, phba->shost,
 808                              "Failed to Set Gateway Addr\n");
 809
 810         return rt_val;
 811 }
 812
 813 int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
 814                      struct be_cmd_get_def_gateway_resp *gateway)
 815 {
 816         struct be_cmd_get_def_gateway_req *req;
 817         struct be_dma_mem nonemb_cmd;
 818         int rc;
 819
 820         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 821                                  OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
 822                                  sizeof(*gateway));
 823         if (rc)
 824                 return rc;
 825
 826         req = nonemb_cmd.va;
 827         req->ip_type = ip_type;
 828
 829         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
 830                                     sizeof(*gateway));
 831 }
 832
 833 int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
 834                      struct be_cmd_get_if_info_resp *if_info)
 835 {
 836         struct be_cmd_get_if_info_req *req;
 837         struct be_dma_mem nonemb_cmd;
 838         int rc;
 839
 840         if (mgmt_get_all_if_id(phba))
 841                 return -EIO;
 842
 843         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 844                                  OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
 845                                  sizeof(*if_info));
 846         if (rc)
 847                 return rc;
 848
 849         req = nonemb_cmd.va;
 850         req->interface_hndl = phba->interface_handle;
 851         req->ip_type = ip_type;
 852
 853         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, if_info,
 854                                     sizeof(*if_info));
 855 }
 856
 857 int mgmt_get_nic_conf(struct beiscsi_hba *phba,
 858                       struct be_cmd_get_nic_conf_resp *nic)
 859 {
 860         struct be_dma_mem nonemb_cmd;
 861         int rc;
 862
 863         rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
 864                                  OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
 865                                  sizeof(*nic));
 866         if (rc)
 867                 return rc;
 868
 869         return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, nic, sizeof(*nic));
 870 }
 871
 872
 873
 874 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
 875 {
 876         unsigned int tag = 0;
 877         struct be_mcc_wrb *wrb;
 878         struct be_cmd_hba_name *req;
 879         struct be_ctrl_info *ctrl = &phba->ctrl;
 880
 881         spin_lock(&ctrl->mbox_lock);
 882         tag = alloc_mcc_tag(phba);
 883         if (!tag) {
 884                 spin_unlock(&ctrl->mbox_lock);
 885                 return tag;
 886         }
 887
 888         wrb = wrb_from_mccq(phba);
 889         req = embedded_payload(wrb);
 890         wrb->tag0 |= tag;
 891         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 892         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 893                         OPCODE_ISCSI_INI_CFG_GET_HBA_NAME,
 894                         sizeof(*req));
 895
 896         be_mcc_notify(phba);
 897         spin_unlock(&ctrl->mbox_lock);
 898         return tag;
 899 }
 900
 901 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
 902 {
 903         unsigned int tag = 0;
 904         struct be_mcc_wrb *wrb;
 905         struct be_cmd_ntwk_link_status_req *req;
 906         struct be_ctrl_info *ctrl = &phba->ctrl;
 907
 908         spin_lock(&ctrl->mbox_lock);
 909         tag = alloc_mcc_tag(phba);
 910         if (!tag) {
 911                 spin_unlock(&ctrl->mbox_lock);
 912                 return tag;
 913         }
 914
 915         wrb = wrb_from_mccq(phba);
 916         req = embedded_payload(wrb);
 917         wrb->tag0 |= tag;
 918         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 919         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 920                         OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
 921                         sizeof(*req));
 922
 923         be_mcc_notify(phba);
 924         spin_unlock(&ctrl->mbox_lock);
 925         return tag;
 926 }