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