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