drivers/scsi/be2iscsi/be_mgmt.c

   1 /**
   2  * Copyright (C) 2005 - 2009 ServerEngines
   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 (jayamohank@serverengines.com)
  11  *
  12  * Contact Information:
  13  * linux-drivers@serverengines.com
  14  *
  15  * ServerEngines
  16  * 209 N. Fair Oaks Ave
  17  * Sunnyvale, CA 94085
  18  *
  19  */
  20
  21 #include "be_mgmt.h"
  22 #include "be_iscsi.h"
  23
  24 unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
  25                                 struct beiscsi_hba *phba)
  26 {
  27         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
  28         struct be_fw_cfg *req = embedded_payload(wrb);
  29         int status = 0;
  30
  31         spin_lock(&ctrl->mbox_lock);
  32         memset(wrb, 0, sizeof(*wrb));
  33
  34         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
  35
  36         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
  37                            OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
  38         status = be_mbox_notify(ctrl);
  39         if (!status) {
  40                 struct be_fw_cfg *pfw_cfg;
  41                 pfw_cfg = req;
  42                 phba->fw_config.phys_port = pfw_cfg->phys_port;
  43                 phba->fw_config.iscsi_icd_start =
  44                                         pfw_cfg->ulp[0].icd_base;
  45                 phba->fw_config.iscsi_icd_count =
  46                                         pfw_cfg->ulp[0].icd_count;
  47                 phba->fw_config.iscsi_cid_start =
  48                                         pfw_cfg->ulp[0].sq_base;
  49                 phba->fw_config.iscsi_cid_count =
  50                                         pfw_cfg->ulp[0].sq_count;
  51                 if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
  52                         status = 1;
  53                         shost_printk(KERN_WARNING, phba->shost,
  54                              "FW reported MAX CXNS as %d \t"
  55                              "Max Supported = %d. Failing to load \n",
  56                                         phba->fw_config.iscsi_cid_count,
  57                                         BE2_MAX_SESSIONS);
  58                 }
  59         } else {
  60                 shost_printk(KERN_WARNING, phba->shost,
  61                              "Failed in mgmt_get_fw_config \n");
  62         }
  63
  64         spin_unlock(&ctrl->mbox_lock);
  65         return status;
  66 }
  67
  68 unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
  69                                       struct beiscsi_hba *phba)
  70 {
  71         struct be_dma_mem nonemb_cmd;
  72         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
  73         struct be_mgmt_controller_attributes *req;
  74         struct be_sge *sge = nonembedded_sgl(wrb);
  75         int status = 0;
  76
  77         nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
  78                                 sizeof(struct be_mgmt_controller_attributes),
  79                                 &nonemb_cmd.dma);
  80         if (nonemb_cmd.va == NULL) {
  81                 SE_DEBUG(DBG_LVL_1,
  82                          "Failed to allocate memory for mgmt_check_supported_fw"
  83                          "\n");
  84                 return -1;
  85         }
  86         nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
  87         req = nonemb_cmd.va;
  88         spin_lock(&ctrl->mbox_lock);
  89         memset(wrb, 0, sizeof(*wrb));
  90         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
  91         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
  92                            OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
  93         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
  94         sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
  95         sge->len = cpu_to_le32(nonemb_cmd.size);
  96         status = be_mbox_notify(ctrl);
  97         if (!status) {
  98                 struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
  99                 SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
 100                         resp->params.hba_attribs.flashrom_version_string);
 101                 SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
 102                         resp->params.hba_attribs.firmware_version_string);
 103                 SE_DEBUG(DBG_LVL_8,
 104                         "Developer Build, not performing version check...\n");
 105                 phba->fw_config.iscsi_features =
 106                                 resp->params.hba_attribs.iscsi_features;
 107                 SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
 108                                       phba->fw_config.iscsi_features);
 109         } else
 110                 SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
 111         spin_unlock(&ctrl->mbox_lock);
 112         if (nonemb_cmd.va)
 113                 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 114                                     nonemb_cmd.va, nonemb_cmd.dma);
 115
 116         return status;
 117 }
 118
 119
 120 unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
 121 {
 122         struct be_ctrl_info *ctrl = &phba->ctrl;
 123         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 124         struct iscsi_cleanup_req *req = embedded_payload(wrb);
 125         int status = 0;
 126
 127         spin_lock(&ctrl->mbox_lock);
 128         memset(wrb, 0, sizeof(*wrb));
 129
 130         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 131         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 132                            OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
 133
 134         req->chute = chute;
 135         req->hdr_ring_id = 0;
 136         req->data_ring_id = 0;
 137
 138         status =  be_mcc_notify_wait(phba);
 139         if (status)
 140                 shost_printk(KERN_WARNING, phba->shost,
 141                              " mgmt_epfw_cleanup , FAILED\n");
 142         spin_unlock(&ctrl->mbox_lock);
 143         return status;
 144 }
 145
 146 unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
 147                                    unsigned int icd, unsigned int cid)
 148 {
 149         struct be_dma_mem nonemb_cmd;
 150         struct be_ctrl_info *ctrl = &phba->ctrl;
 151         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 152         struct be_sge *sge = nonembedded_sgl(wrb);
 153         struct invalidate_commands_params_in *req;
 154         int status = 0;
 155
 156         nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
 157                                 sizeof(struct invalidate_commands_params_in),
 158                                 &nonemb_cmd.dma);
 159         if (nonemb_cmd.va == NULL) {
 160                 SE_DEBUG(DBG_LVL_1,
 161                          "Failed to allocate memory for"
 162                          "mgmt_invalidate_icds \n");
 163                 return -1;
 164         }
 165         nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
 166         req = nonemb_cmd.va;
 167         spin_lock(&ctrl->mbox_lock);
 168         memset(wrb, 0, sizeof(*wrb));
 169
 170         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 171         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 172                         OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
 173                         sizeof(*req));
 174         req->ref_handle = 0;
 175         req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
 176         req->icd_count = 0;
 177         req->table[req->icd_count].icd = icd;
 178         req->table[req->icd_count].cid = cid;
 179         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 180         sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 181         sge->len = cpu_to_le32(nonemb_cmd.size);
 182
 183         status = be_mcc_notify_wait(phba);
 184         if (status)
 185                 SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n");
 186         spin_unlock(&ctrl->mbox_lock);
 187         if (nonemb_cmd.va)
 188                 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 189                                     nonemb_cmd.va, nonemb_cmd.dma);
 190         return status;
 191 }
 192
 193 unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
 194                                          struct beiscsi_endpoint *beiscsi_ep,
 195                                          unsigned short cid,
 196                                          unsigned short issue_reset,
 197                                          unsigned short savecfg_flag)
 198 {
 199         struct be_ctrl_info *ctrl = &phba->ctrl;
 200         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 201         struct iscsi_invalidate_connection_params_in *req =
 202                                                 embedded_payload(wrb);
 203         int status = 0;
 204
 205         spin_lock(&ctrl->mbox_lock);
 206         memset(wrb, 0, sizeof(*wrb));
 207
 208         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 209         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 210                            OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
 211                            sizeof(*req));
 212         req->session_handle = beiscsi_ep->fw_handle;
 213         req->cid = cid;
 214         if (issue_reset)
 215                 req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
 216         else
 217                 req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
 218         req->save_cfg = savecfg_flag;
 219         status =  be_mcc_notify_wait(phba);
 220         if (status)
 221                 SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");
 222
 223         spin_unlock(&ctrl->mbox_lock);
 224         return status;
 225 }
 226
 227 unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
 228                                 unsigned short cid, unsigned int upload_flag)
 229 {
 230         struct be_ctrl_info *ctrl = &phba->ctrl;
 231         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 232         struct tcp_upload_params_in *req = embedded_payload(wrb);
 233         int status = 0;
 234
 235         spin_lock(&ctrl->mbox_lock);
 236         memset(wrb, 0, sizeof(*wrb));
 237
 238         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 239         be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
 240                            OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
 241         req->id = (unsigned short)cid;
 242         req->upload_type = (unsigned char)upload_flag;
 243         status = be_mcc_notify_wait(phba);
 244         if (status)
 245                 SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
 246         spin_unlock(&ctrl->mbox_lock);
 247         return status;
 248 }
 249
 250 int mgmt_open_connection(struct beiscsi_hba *phba,
 251                          struct sockaddr *dst_addr,
 252                          struct beiscsi_endpoint *beiscsi_ep)
 253 {
 254         struct hwi_controller *phwi_ctrlr;
 255         struct hwi_context_memory *phwi_context;
 256         struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
 257         struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
 258         struct be_ctrl_info *ctrl = &phba->ctrl;
 259         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 260         struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
 261         unsigned short def_hdr_id;
 262         unsigned short def_data_id;
 263         struct phys_addr template_address = { 0, 0 };
 264         struct phys_addr *ptemplate_address;
 265         int status = 0;
 266         unsigned int i;
 267         unsigned short cid = beiscsi_ep->ep_cid;
 268
 269         phwi_ctrlr = phba->phwi_ctrlr;
 270         phwi_context = phwi_ctrlr->phwi_ctxt;
 271         def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
 272         def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
 273
 274         ptemplate_address = &template_address;
 275         ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
 276         spin_lock(&ctrl->mbox_lock);
 277         memset(wrb, 0, sizeof(*wrb));
 278
 279         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 280         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 281                            OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
 282                            sizeof(*req));
 283         if (dst_addr->sa_family == PF_INET) {
 284                 __be32 s_addr = daddr_in->sin_addr.s_addr;
 285                 req->ip_address.ip_type = BE2_IPV4;
 286                 req->ip_address.ip_address[0] = s_addr & 0x000000ff;
 287                 req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
 288                 req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
 289                 req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
 290                 req->tcp_port = ntohs(daddr_in->sin_port);
 291                 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
 292                 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
 293                 beiscsi_ep->ip_type = BE2_IPV4;
 294         } else if (dst_addr->sa_family == PF_INET6) {
 295                 req->ip_address.ip_type = BE2_IPV6;
 296                 memcpy(&req->ip_address.ip_address,
 297                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 298                 req->tcp_port = ntohs(daddr_in6->sin6_port);
 299                 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
 300                 memcpy(&beiscsi_ep->dst6_addr,
 301                        &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 302                 beiscsi_ep->ip_type = BE2_IPV6;
 303         } else{
 304                 shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
 305                              dst_addr->sa_family);
 306                 spin_unlock(&ctrl->mbox_lock);
 307                 return -EINVAL;
 308
 309         }
 310         req->cid = cid;
 311         i = phba->nxt_cqid++;
 312         if (phba->nxt_cqid == phba->num_cpus)
 313                 phba->nxt_cqid = 0;
 314         req->cq_id = phwi_context->be_cq[i].id;
 315         SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id);
 316         req->defq_id = def_hdr_id;
 317         req->hdr_ring_id = def_hdr_id;
 318         req->data_ring_id = def_data_id;
 319         req->do_offload = 1;
 320         req->dataout_template_pa.lo = ptemplate_address->lo;
 321         req->dataout_template_pa.hi = ptemplate_address->hi;
 322         status = be_mcc_notify_wait(phba);
 323         if (!status) {
 324                 struct iscsi_endpoint *ep;
 325                 struct tcp_connect_and_offload_out *ptcpcnct_out =
 326                                                         embedded_payload(wrb);
 327
 328                 ep = phba->ep_array[ptcpcnct_out->cid -
 329                                     phba->fw_config.iscsi_cid_start];
 330                 beiscsi_ep = ep->dd_data;
 331                 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
 332                 beiscsi_ep->cid_vld = 1;
 333                 SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
 334         } else
 335                 SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
 336         spin_unlock(&ctrl->mbox_lock);
 337         return status;
 338 }
 339
 340 int be_cmd_get_mac_addr(struct beiscsi_hba *phba, u8 *mac_addr)
 341 {
 342         struct be_ctrl_info *ctrl = &phba->ctrl;
 343         struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 344         struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb);
 345         int status;
 346
 347         SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
 348         spin_lock(&ctrl->mbox_lock);
 349         memset(wrb, 0, sizeof(*wrb));
 350         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 351         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 352                            OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
 353                            sizeof(*req));
 354
 355         status = be_mcc_notify_wait(phba);
 356         if (!status) {
 357                 struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb);
 358
 359                 memcpy(mac_addr, resp->mac_address, ETH_ALEN);
 360         }
 361
 362         spin_unlock(&ctrl->mbox_lock);
 363         return status;
 364 }
 365