drivers/scsi/qla4xxx/ql4_init.c

   1 /*
   2  * QLogic iSCSI HBA Driver
   3  * Copyright (c)  2003-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qla4xxx for copyright and licensing details.
   6  */
   7
   8 #include <scsi/iscsi_if.h>
   9 #include "ql4_def.h"
  10 #include "ql4_glbl.h"
  11 #include "ql4_dbg.h"
  12 #include "ql4_inline.h"
  13
  14 static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
  15 {
  16         uint32_t value;
  17         uint8_t func_number;
  18         unsigned long flags;
  19
  20         /* Get the function number */
  21         spin_lock_irqsave(&ha->hardware_lock, flags);
  22         value = readw(&ha->reg->ctrl_status);
  23         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  24
  25         func_number = (uint8_t) ((value >> 4) & 0x30);
  26         switch (value & ISP_CONTROL_FN_MASK) {
  27         case ISP_CONTROL_FN0_SCSI:
  28                 ha->mac_index = 1;
  29                 break;
  30         case ISP_CONTROL_FN1_SCSI:
  31                 ha->mac_index = 3;
  32                 break;
  33         default:
  34                 DEBUG2(printk("scsi%ld: %s: Invalid function number, "
  35                               "ispControlStatus = 0x%x\n", ha->host_no,
  36                               __func__, value));
  37                 break;
  38         }
  39         DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__,
  40                       ha->mac_index));
  41 }
  42
  43 /**
  44  * qla4xxx_free_ddb - deallocate ddb
  45  * @ha: pointer to host adapter structure.
  46  * @ddb_entry: pointer to device database entry
  47  *
  48  * This routine marks a DDB entry INVALID
  49  **/
  50 void qla4xxx_free_ddb(struct scsi_qla_host *ha,
  51     struct ddb_entry *ddb_entry)
  52 {
  53         /* Remove device pointer from index mapping arrays */
  54         ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] =
  55                 (struct ddb_entry *) INVALID_ENTRY;
  56         ha->tot_ddbs--;
  57 }
  58
  59 /**
  60  * qla4xxx_init_response_q_entries() - Initializes response queue entries.
  61  * @ha: HA context
  62  *
  63  * Beginning of request ring has initialization control block already built
  64  * by nvram config routine.
  65  **/
  66 static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha)
  67 {
  68         uint16_t cnt;
  69         struct response *pkt;
  70
  71         pkt = (struct response *)ha->response_ptr;
  72         for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) {
  73                 pkt->signature = RESPONSE_PROCESSED;
  74                 pkt++;
  75         }
  76 }
  77
  78 /**
  79  * qla4xxx_init_rings - initialize hw queues
  80  * @ha: pointer to host adapter structure.
  81  *
  82  * This routine initializes the internal queues for the specified adapter.
  83  * The QLA4010 requires us to restart the queues at index 0.
  84  * The QLA4000 doesn't care, so just default to QLA4010's requirement.
  85  **/
  86 int qla4xxx_init_rings(struct scsi_qla_host *ha)
  87 {
  88         unsigned long flags = 0;
  89         int i;
  90
  91         /* Initialize request queue. */
  92         spin_lock_irqsave(&ha->hardware_lock, flags);
  93         ha->request_out = 0;
  94         ha->request_in = 0;
  95         ha->request_ptr = &ha->request_ring[ha->request_in];
  96         ha->req_q_count = REQUEST_QUEUE_DEPTH;
  97
  98         /* Initialize response queue. */
  99         ha->response_in = 0;
 100         ha->response_out = 0;
 101         ha->response_ptr = &ha->response_ring[ha->response_out];
 102
 103         if (is_qla8022(ha)) {
 104                 writel(0,
 105                     (unsigned long  __iomem *)&ha->qla4_8xxx_reg->req_q_out);
 106                 writel(0,
 107                     (unsigned long  __iomem *)&ha->qla4_8xxx_reg->rsp_q_in);
 108                 writel(0,
 109                     (unsigned long  __iomem *)&ha->qla4_8xxx_reg->rsp_q_out);
 110         } else {
 111                 /*
 112                  * Initialize DMA Shadow registers.  The firmware is really
 113                  * supposed to take care of this, but on some uniprocessor
 114                  * systems, the shadow registers aren't cleared-- causing
 115                  * the interrupt_handler to think there are responses to be
 116                  * processed when there aren't.
 117                  */
 118                 ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
 119                 ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
 120                 wmb();
 121
 122                 writel(0, &ha->reg->req_q_in);
 123                 writel(0, &ha->reg->rsp_q_out);
 124                 readl(&ha->reg->rsp_q_out);
 125         }
 126
 127         qla4xxx_init_response_q_entries(ha);
 128
 129         /* Initialize mabilbox active array */
 130         for (i = 0; i < MAX_MRB; i++)
 131                 ha->active_mrb_array[i] = NULL;
 132
 133         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 134
 135         return QLA_SUCCESS;
 136 }
 137
 138 /**
 139  * qla4xxx_get_sys_info - validate adapter MAC address(es)
 140  * @ha: pointer to host adapter structure.
 141  *
 142  **/
 143 int qla4xxx_get_sys_info(struct scsi_qla_host *ha)
 144 {
 145         struct flash_sys_info *sys_info;
 146         dma_addr_t sys_info_dma;
 147         int status = QLA_ERROR;
 148
 149         sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
 150                                       &sys_info_dma, GFP_KERNEL);
 151         if (sys_info == NULL) {
 152                 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
 153                               ha->host_no, __func__));
 154
 155                 goto exit_get_sys_info_no_free;
 156         }
 157         memset(sys_info, 0, sizeof(*sys_info));
 158
 159         /* Get flash sys info */
 160         if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO,
 161                               sizeof(*sys_info)) != QLA_SUCCESS) {
 162                 DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
 163                               "failed\n", ha->host_no, __func__));
 164
 165                 goto exit_get_sys_info;
 166         }
 167
 168         /* Save M.A.C. address & serial_number */
 169         memcpy(ha->my_mac, &sys_info->physAddr[0].address[0],
 170                min(sizeof(ha->my_mac),
 171                    sizeof(sys_info->physAddr[0].address)));
 172         memcpy(ha->serial_number, &sys_info->acSerialNumber,
 173                min(sizeof(ha->serial_number),
 174                    sizeof(sys_info->acSerialNumber)));
 175
 176         status = QLA_SUCCESS;
 177
 178 exit_get_sys_info:
 179         dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
 180                           sys_info_dma);
 181
 182 exit_get_sys_info_no_free:
 183         return status;
 184 }
 185
 186 /**
 187  * qla4xxx_init_local_data - initialize adapter specific local data
 188  * @ha: pointer to host adapter structure.
 189  *
 190  **/
 191 static int qla4xxx_init_local_data(struct scsi_qla_host *ha)
 192 {
 193         /* Initialize aen queue */
 194         ha->aen_q_count = MAX_AEN_ENTRIES;
 195
 196         return qla4xxx_get_firmware_status(ha);
 197 }
 198
 199 static uint8_t
 200 qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
 201 {
 202         uint8_t ipv4_wait = 0;
 203         uint8_t ipv6_wait = 0;
 204         int8_t ip_address[IPv6_ADDR_LEN] = {0} ;
 205
 206         /* If both IPv4 & IPv6 are enabled, possibly only one
 207          * IP address may be acquired, so check to see if we
 208          * need to wait for another */
 209         if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) {
 210                 if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) &&
 211                     ((ha->addl_fw_state &
 212                                     FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
 213                         ipv4_wait = 1;
 214                 }
 215                 if (((ha->ip_config.ipv6_addl_options &
 216                       IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
 217                     ((ha->ip_config.ipv6_link_local_state ==
 218                       IP_ADDRSTATE_ACQUIRING) ||
 219                      (ha->ip_config.ipv6_addr0_state ==
 220                       IP_ADDRSTATE_ACQUIRING) ||
 221                      (ha->ip_config.ipv6_addr1_state ==
 222                       IP_ADDRSTATE_ACQUIRING))) {
 223
 224                         ipv6_wait = 1;
 225
 226                         if ((ha->ip_config.ipv6_link_local_state ==
 227                              IP_ADDRSTATE_PREFERRED) ||
 228                             (ha->ip_config.ipv6_addr0_state ==
 229                              IP_ADDRSTATE_PREFERRED) ||
 230                             (ha->ip_config.ipv6_addr1_state ==
 231                              IP_ADDRSTATE_PREFERRED)) {
 232                                 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
 233                                               "Preferred IP configured."
 234                                               " Don't wait!\n", ha->host_no,
 235                                               __func__));
 236                                 ipv6_wait = 0;
 237                         }
 238                         if (memcmp(&ha->ip_config.ipv6_default_router_addr,
 239                                    ip_address, IPv6_ADDR_LEN) == 0) {
 240                                 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
 241                                               "No Router configured. "
 242                                               "Don't wait!\n", ha->host_no,
 243                                               __func__));
 244                                 ipv6_wait = 0;
 245                         }
 246                         if ((ha->ip_config.ipv6_default_router_state ==
 247                              IPV6_RTRSTATE_MANUAL) &&
 248                             (ha->ip_config.ipv6_link_local_state ==
 249                              IP_ADDRSTATE_TENTATIVE) &&
 250                             (memcmp(&ha->ip_config.ipv6_link_local_addr,
 251                              &ha->ip_config.ipv6_default_router_addr, 4) ==
 252                              0)) {
 253                                 DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
 254                                         "IP configured. Don't wait!\n",
 255                                         ha->host_no, __func__));
 256                                 ipv6_wait = 0;
 257                         }
 258                 }
 259                 if (ipv4_wait || ipv6_wait) {
 260                         DEBUG2(printk("scsi%ld: %s: Wait for additional "
 261                                       "IP(s) \"", ha->host_no, __func__));
 262                         if (ipv4_wait)
 263                                 DEBUG2(printk("IPv4 "));
 264                         if (ha->ip_config.ipv6_link_local_state ==
 265                             IP_ADDRSTATE_ACQUIRING)
 266                                 DEBUG2(printk("IPv6LinkLocal "));
 267                         if (ha->ip_config.ipv6_addr0_state ==
 268                             IP_ADDRSTATE_ACQUIRING)
 269                                 DEBUG2(printk("IPv6Addr0 "));
 270                         if (ha->ip_config.ipv6_addr1_state ==
 271                             IP_ADDRSTATE_ACQUIRING)
 272                                 DEBUG2(printk("IPv6Addr1 "));
 273                         DEBUG2(printk("\"\n"));
 274                 }
 275         }
 276
 277         return ipv4_wait|ipv6_wait;
 278 }
 279
 280 static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
 281 {
 282         uint32_t timeout_count;
 283         int ready = 0;
 284
 285         DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n"));
 286         for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0;
 287              timeout_count--) {
 288                 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
 289                         qla4xxx_get_dhcp_ip_address(ha);
 290
 291                 /* Get firmware state. */
 292                 if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) {
 293                         DEBUG2(printk("scsi%ld: %s: unable to get firmware "
 294                                       "state\n", ha->host_no, __func__));
 295                         break;
 296                 }
 297
 298                 if (ha->firmware_state & FW_STATE_ERROR) {
 299                         DEBUG2(printk("scsi%ld: %s: an unrecoverable error has"
 300                                       " occurred\n", ha->host_no, __func__));
 301                         break;
 302
 303                 }
 304                 if (ha->firmware_state & FW_STATE_CONFIG_WAIT) {
 305                         /*
 306                          * The firmware has not yet been issued an Initialize
 307                          * Firmware command, so issue it now.
 308                          */
 309                         if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR)
 310                                 break;
 311
 312                         /* Go back and test for ready state - no wait. */
 313                         continue;
 314                 }
 315
 316                 if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
 317                         DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
 318                                       "AUTOCONNECT in progress\n",
 319                                       ha->host_no, __func__));
 320                 }
 321
 322                 if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
 323                         DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
 324                                       " CONFIGURING IP\n",
 325                                       ha->host_no, __func__));
 326                         /*
 327                          * Check for link state after 15 secs and if link is
 328                          * still DOWN then, cable is unplugged. Ignore "DHCP
 329                          * in Progress/CONFIGURING IP" bit to check if firmware
 330                          * is in ready state or not after 15 secs.
 331                          * This is applicable for both 2.x & 3.x firmware
 332                          */
 333                         if (timeout_count <= (ADAPTER_INIT_TOV - 15)) {
 334                                 if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) {
 335                                         DEBUG2(printk(KERN_INFO "scsi%ld: %s:"
 336                                                   " LINK UP (Cable plugged)\n",
 337                                                   ha->host_no, __func__));
 338                                 } else if (ha->firmware_state &
 339                                           (FW_STATE_CONFIGURING_IP |
 340                                                              FW_STATE_READY)) {
 341                                         DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
 342                                                 "LINK DOWN (Cable unplugged)\n",
 343                                                 ha->host_no, __func__));
 344                                         ha->firmware_state = FW_STATE_READY;
 345                                 }
 346                         }
 347                 }
 348
 349                 if (ha->firmware_state == FW_STATE_READY) {
 350                         /* If DHCP IP Addr is available, retrieve it now. */
 351                         if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR,
 352                                                                 &ha->dpc_flags))
 353                                 qla4xxx_get_dhcp_ip_address(ha);
 354
 355                         if (!qla4xxx_wait_for_ip_config(ha) ||
 356                                                         timeout_count == 1) {
 357                                 DEBUG2(ql4_printk(KERN_INFO, ha,
 358                                     "Firmware Ready..\n"));
 359                                 /* The firmware is ready to process SCSI
 360                                    commands. */
 361                                 DEBUG2(ql4_printk(KERN_INFO, ha,
 362                                         "scsi%ld: %s: MEDIA TYPE"
 363                                         " - %s\n", ha->host_no,
 364                                         __func__, (ha->addl_fw_state &
 365                                         FW_ADDSTATE_OPTICAL_MEDIA)
 366                                         != 0 ? "OPTICAL" : "COPPER"));
 367                                 DEBUG2(ql4_printk(KERN_INFO, ha,
 368                                         "scsi%ld: %s: DHCPv4 STATE"
 369                                         " Enabled %s\n", ha->host_no,
 370                                          __func__, (ha->addl_fw_state &
 371                                          FW_ADDSTATE_DHCPv4_ENABLED) != 0 ?
 372                                         "YES" : "NO"));
 373                                 DEBUG2(ql4_printk(KERN_INFO, ha,
 374                                         "scsi%ld: %s: LINK %s\n",
 375                                         ha->host_no, __func__,
 376                                         (ha->addl_fw_state &
 377                                          FW_ADDSTATE_LINK_UP) != 0 ?
 378                                         "UP" : "DOWN"));
 379                                 DEBUG2(ql4_printk(KERN_INFO, ha,
 380                                         "scsi%ld: %s: iSNS Service "
 381                                         "Started %s\n",
 382                                         ha->host_no, __func__,
 383                                         (ha->addl_fw_state &
 384                                          FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
 385                                         "YES" : "NO"));
 386
 387                                 ready = 1;
 388                                 break;
 389                         }
 390                 }
 391                 DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
 392                               "seconds expired= %d\n", ha->host_no, __func__,
 393                               ha->firmware_state, ha->addl_fw_state,
 394                               timeout_count));
 395                 if (is_qla4032(ha) &&
 396                         !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
 397                         (timeout_count < ADAPTER_INIT_TOV - 5)) {
 398                         break;
 399                 }
 400
 401                 msleep(1000);
 402         }                       /* end of for */
 403
 404         if (timeout_count <= 0)
 405                 DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
 406                               ha->host_no, __func__));
 407
 408         if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
 409                 DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
 410                               "it's waiting to configure an IP address\n",
 411                                ha->host_no, __func__));
 412                 ready = 1;
 413         } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
 414                 DEBUG2(printk("scsi%ld: %s: FW initialized, but "
 415                               "auto-discovery still in process\n",
 416                                ha->host_no, __func__));
 417                 ready = 1;
 418         }
 419
 420         return ready;
 421 }
 422
 423 /**
 424  * qla4xxx_init_firmware - initializes the firmware.
 425  * @ha: pointer to host adapter structure.
 426  *
 427  **/
 428 static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
 429 {
 430         int status = QLA_ERROR;
 431
 432         if (is_aer_supported(ha) &&
 433             test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
 434                 return status;
 435
 436         /* For 82xx, stop firmware before initializing because if BIOS
 437          * has previously initialized firmware, then driver's initialize
 438          * firmware will fail. */
 439         if (is_qla8022(ha))
 440                 qla4_8xxx_stop_firmware(ha);
 441
 442         ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
 443         if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
 444                 DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
 445                               "control block\n", ha->host_no, __func__));
 446                 return status;
 447         }
 448         if (!qla4xxx_fw_ready(ha))
 449                 return status;
 450
 451         return qla4xxx_get_firmware_status(ha);
 452 }
 453
 454 static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
 455 {
 456         uint16_t board_id_string[8];
 457         int i;
 458         int size = sizeof(ha->nvram->isp4022.boardIdStr);
 459         int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
 460
 461         for (i = 0; i < (size / 2) ; i++) {
 462                 board_id_string[i] = rd_nvram_word(ha, offset);
 463                 offset += 1;
 464         }
 465
 466         memcpy(ha->model_name, board_id_string, size);
 467 }
 468
 469 static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
 470 {
 471         unsigned long flags;
 472         union external_hw_config_reg extHwConfig;
 473
 474         DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no,
 475                       __func__));
 476         if (ql4xxx_lock_flash(ha) != QLA_SUCCESS)
 477                 return QLA_ERROR;
 478         if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) {
 479                 ql4xxx_unlock_flash(ha);
 480                 return QLA_ERROR;
 481         }
 482
 483         /* Get EEPRom Parameters from NVRAM and validate */
 484         ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n");
 485         if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) {
 486                 spin_lock_irqsave(&ha->hardware_lock, flags);
 487                 extHwConfig.Asuint32_t =
 488                         rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha));
 489                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 490         } else {
 491                 ql4_printk(KERN_WARNING, ha,
 492                     "scsi%ld: %s: EEProm checksum invalid.  "
 493                     "Please update your EEPROM\n", ha->host_no,
 494                     __func__);
 495
 496                 /* Attempt to set defaults */
 497                 if (is_qla4010(ha))
 498                         extHwConfig.Asuint32_t = 0x1912;
 499                 else if (is_qla4022(ha) | is_qla4032(ha))
 500                         extHwConfig.Asuint32_t = 0x0023;
 501                 else
 502                         return QLA_ERROR;
 503         }
 504
 505         if (is_qla4022(ha) || is_qla4032(ha))
 506                 qla4xxx_set_model_info(ha);
 507         else
 508                 strcpy(ha->model_name, "QLA4010");
 509
 510         DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
 511                      ha->host_no, __func__, extHwConfig.Asuint32_t));
 512
 513         spin_lock_irqsave(&ha->hardware_lock, flags);
 514         writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha));
 515         readl(isp_ext_hw_conf(ha));
 516         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 517
 518         ql4xxx_unlock_nvram(ha);
 519         ql4xxx_unlock_flash(ha);
 520
 521         return QLA_SUCCESS;
 522 }
 523
 524 /**
 525  * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers.
 526  * @ha: HA context
 527  */
 528 void qla4_8xxx_pci_config(struct scsi_qla_host *ha)
 529 {
 530         pci_set_master(ha->pdev);
 531 }
 532
 533 void qla4xxx_pci_config(struct scsi_qla_host *ha)
 534 {
 535         uint16_t w;
 536         int status;
 537
 538         ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 539
 540         pci_set_master(ha->pdev);
 541         status = pci_set_mwi(ha->pdev);
 542         /*
 543          * We want to respect framework's setting of PCI configuration space
 544          * command register and also want to make sure that all bits of
 545          * interest to us are properly set in command register.
 546          */
 547         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 548         w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
 549         w &= ~PCI_COMMAND_INTX_DISABLE;
 550         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 551 }
 552
 553 static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
 554 {
 555         int status = QLA_ERROR;
 556         unsigned long max_wait_time;
 557         unsigned long flags;
 558         uint32_t mbox_status;
 559
 560         ql4_printk(KERN_INFO, ha, "Starting firmware ...\n");
 561
 562         /*
 563          * Start firmware from flash ROM
 564          *
 565          * WORKAROUND: Stuff a non-constant value that the firmware can
 566          * use as a seed for a random number generator in MB7 prior to
 567          * setting BOOT_ENABLE.  Fixes problem where the TCP
 568          * connections use the same TCP ports after each reboot,
 569          * causing some connections to not get re-established.
 570          */
 571         DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n",
 572                      ha->host_no, __func__));
 573
 574         spin_lock_irqsave(&ha->hardware_lock, flags);
 575         writel(jiffies, &ha->reg->mailbox[7]);
 576         if (is_qla4022(ha) | is_qla4032(ha))
 577                 writel(set_rmask(NVR_WRITE_ENABLE),
 578                        &ha->reg->u1.isp4022.nvram);
 579
 580         writel(2, &ha->reg->mailbox[6]);
 581         readl(&ha->reg->mailbox[6]);
 582
 583         writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status);
 584         readl(&ha->reg->ctrl_status);
 585         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 586
 587         /* Wait for firmware to come UP. */
 588         DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for "
 589                       "boot firmware to complete...\n",
 590                       ha->host_no, __func__, FIRMWARE_UP_TOV));
 591         max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ);
 592         do {
 593                 uint32_t ctrl_status;
 594
 595                 spin_lock_irqsave(&ha->hardware_lock, flags);
 596                 ctrl_status = readw(&ha->reg->ctrl_status);
 597                 mbox_status = readw(&ha->reg->mailbox[0]);
 598                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 599
 600                 if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR))
 601                         break;
 602                 if (mbox_status == MBOX_STS_COMMAND_COMPLETE)
 603                         break;
 604
 605                 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot "
 606                     "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n",
 607                     ha->host_no, __func__, ctrl_status, max_wait_time));
 608
 609                 msleep_interruptible(250);
 610         } while (!time_after_eq(jiffies, max_wait_time));
 611
 612         if (mbox_status == MBOX_STS_COMMAND_COMPLETE) {
 613                 DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n",
 614                              ha->host_no, __func__));
 615
 616                 spin_lock_irqsave(&ha->hardware_lock, flags);
 617                 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
 618                        &ha->reg->ctrl_status);
 619                 readl(&ha->reg->ctrl_status);
 620                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 621
 622                 status = QLA_SUCCESS;
 623         } else {
 624                 printk(KERN_INFO "scsi%ld: %s: Boot firmware failed "
 625                        "-  mbox status 0x%x\n", ha->host_no, __func__,
 626                        mbox_status);
 627                 status = QLA_ERROR;
 628         }
 629         return status;
 630 }
 631
 632 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
 633 {
 634 #define QL4_LOCK_DRVR_WAIT      60
 635 #define QL4_LOCK_DRVR_SLEEP     1
 636
 637         int drvr_wait = QL4_LOCK_DRVR_WAIT;
 638         while (drvr_wait) {
 639                 if (ql4xxx_lock_drvr(a) == 0) {
 640                         ssleep(QL4_LOCK_DRVR_SLEEP);
 641                         if (drvr_wait) {
 642                                 DEBUG2(printk("scsi%ld: %s: Waiting for "
 643                                               "Global Init Semaphore(%d)...\n",
 644                                               a->host_no,
 645                                               __func__, drvr_wait));
 646                         }
 647                         drvr_wait -= QL4_LOCK_DRVR_SLEEP;
 648                 } else {
 649                         DEBUG2(printk("scsi%ld: %s: Global Init Semaphore "
 650                                       "acquired\n", a->host_no, __func__));
 651                         return QLA_SUCCESS;
 652                 }
 653         }
 654         return QLA_ERROR;
 655 }
 656
 657 /**
 658  * qla4xxx_start_firmware - starts qla4xxx firmware
 659  * @ha: Pointer to host adapter structure.
 660  *
 661  * This routine performs the necessary steps to start the firmware for
 662  * the QLA4010 adapter.
 663  **/
 664 int qla4xxx_start_firmware(struct scsi_qla_host *ha)
 665 {
 666         unsigned long flags = 0;
 667         uint32_t mbox_status;
 668         int status = QLA_ERROR;
 669         int soft_reset = 1;
 670         int config_chip = 0;
 671
 672         if (is_qla4022(ha) | is_qla4032(ha))
 673                 ql4xxx_set_mac_number(ha);
 674
 675         if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
 676                 return QLA_ERROR;
 677
 678         spin_lock_irqsave(&ha->hardware_lock, flags);
 679
 680         DEBUG2(printk("scsi%ld: %s: port_ctrl   = 0x%08X\n", ha->host_no,
 681                       __func__, readw(isp_port_ctrl(ha))));
 682         DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no,
 683                      __func__, readw(isp_port_status(ha))));
 684
 685         /* Is Hardware already initialized? */
 686         if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) {
 687                 DEBUG(printk("scsi%ld: %s: Hardware has already been "
 688                              "initialized\n", ha->host_no, __func__));
 689
 690                 /* Receive firmware boot acknowledgement */
 691                 mbox_status = readw(&ha->reg->mailbox[0]);
 692
 693                 DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= "
 694                               "0x%x\n", ha->host_no, __func__, mbox_status));
 695
 696                 /* Is firmware already booted? */
 697                 if (mbox_status == 0) {
 698                         /* F/W not running, must be config by net driver */
 699                         config_chip = 1;
 700                         soft_reset = 0;
 701                 } else {
 702                         writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
 703                                &ha->reg->ctrl_status);
 704                         readl(&ha->reg->ctrl_status);
 705                         writel(set_rmask(CSR_SCSI_COMPLETION_INTR),
 706                                &ha->reg->ctrl_status);
 707                         readl(&ha->reg->ctrl_status);
 708                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 709                         if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) {
 710                                 DEBUG2(printk("scsi%ld: %s: Get firmware "
 711                                               "state -- state = 0x%x\n",
 712                                               ha->host_no,
 713                                               __func__, ha->firmware_state));
 714                                 /* F/W is running */
 715                                 if (ha->firmware_state &
 716                                     FW_STATE_CONFIG_WAIT) {
 717                                         DEBUG2(printk("scsi%ld: %s: Firmware "
 718                                                       "in known state -- "
 719                                                       "config and "
 720                                                       "boot, state = 0x%x\n",
 721                                                       ha->host_no, __func__,
 722                                                       ha->firmware_state));
 723                                         config_chip = 1;
 724                                         soft_reset = 0;
 725                                 }
 726                         } else {
 727                                 DEBUG2(printk("scsi%ld: %s: Firmware in "
 728                                               "unknown state -- resetting,"
 729                                               " state = "
 730                                               "0x%x\n", ha->host_no, __func__,
 731                                               ha->firmware_state));
 732                         }
 733                         spin_lock_irqsave(&ha->hardware_lock, flags);
 734                 }
 735         } else {
 736                 DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been "
 737                              "started - resetting\n", ha->host_no, __func__));
 738         }
 739         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 740
 741         DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ",
 742                      ha->host_no, __func__, soft_reset, config_chip));
 743         if (soft_reset) {
 744                 DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no,
 745                              __func__));
 746                 status = qla4xxx_soft_reset(ha);        /* NOTE: acquires drvr
 747                                                          * lock again, but ok */
 748                 if (status == QLA_ERROR) {
 749                         DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
 750                                      ha->host_no, __func__));
 751                         ql4xxx_unlock_drvr(ha);
 752                         return QLA_ERROR;
 753                 }
 754                 config_chip = 1;
 755
 756                 /* Reset clears the semaphore, so acquire again */
 757                 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
 758                         return QLA_ERROR;
 759         }
 760
 761         if (config_chip) {
 762                 if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS)
 763                         status = qla4xxx_start_firmware_from_flash(ha);
 764         }
 765
 766         ql4xxx_unlock_drvr(ha);
 767         if (status == QLA_SUCCESS) {
 768                 if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags))
 769                         qla4xxx_get_crash_record(ha);
 770         } else {
 771                 DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n",
 772                              ha->host_no, __func__));
 773         }
 774         return status;
 775 }
 776 /**
 777  * qla4xxx_free_ddb_index - Free DDBs reserved by firmware
 778  * @ha: pointer to adapter structure
 779  *
 780  * Since firmware is not running in autoconnect mode the DDB indices should
 781  * be freed so that when login happens from user space there are free DDB
 782  * indices available.
 783  **/
 784 void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 785 {
 786         int max_ddbs;
 787         int ret;
 788         uint32_t idx = 0, next_idx = 0;
 789         uint32_t state = 0, conn_err = 0;
 790
 791         max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
 792                                      MAX_DEV_DB_ENTRIES;
 793
 794         for (idx = 0; idx < max_ddbs; idx = next_idx) {
 795                 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
 796                                               &next_idx, &state, &conn_err,
 797                                                 NULL, NULL);
 798                 if (ret == QLA_ERROR) {
 799                         next_idx++;
 800                         continue;
 801                 }
 802                 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
 803                     state == DDB_DS_SESSION_FAILED) {
 804                         DEBUG2(ql4_printk(KERN_INFO, ha,
 805                                           "Freeing DDB index = 0x%x\n", idx));
 806                         ret = qla4xxx_clear_ddb_entry(ha, idx);
 807                         if (ret == QLA_ERROR)
 808                                 ql4_printk(KERN_ERR, ha,
 809                                            "Unable to clear DDB index = "
 810                                            "0x%x\n", idx);
 811                 }
 812                 if (next_idx == 0)
 813                         break;
 814         }
 815 }
 816
 817 /**
 818  * qla4xxx_initialize_adapter - initiailizes hba
 819  * @ha: Pointer to host adapter structure.
 820  *
 821  * This routine parforms all of the steps necessary to initialize the adapter.
 822  *
 823  **/
 824 int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
 825 {
 826         int status = QLA_ERROR;
 827
 828         ha->eeprom_cmd_data = 0;
 829
 830         ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 831         ha->isp_ops->pci_config(ha);
 832
 833         ha->isp_ops->disable_intrs(ha);
 834
 835         /* Initialize the Host adapter request/response queues and firmware */
 836         if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
 837                 goto exit_init_hba;
 838
 839         if (qla4xxx_about_firmware(ha) == QLA_ERROR)
 840                 goto exit_init_hba;
 841
 842         if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
 843                 goto exit_init_hba;
 844
 845         if (qla4xxx_init_local_data(ha) == QLA_ERROR)
 846                 goto exit_init_hba;
 847
 848         status = qla4xxx_init_firmware(ha);
 849         if (status == QLA_ERROR)
 850                 goto exit_init_hba;
 851
 852         if (is_reset == RESET_ADAPTER)
 853                 qla4xxx_build_ddb_list(ha, is_reset);
 854
 855         set_bit(AF_ONLINE, &ha->flags);
 856 exit_init_hba:
 857         if (is_qla8022(ha) && (status == QLA_ERROR)) {
 858                 /* Since interrupts are registered in start_firmware for
 859                  * 82xx, release them here if initialize_adapter fails */
 860                 qla4xxx_free_irqs(ha);
 861         }
 862
 863         DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no,
 864             status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
 865         return status;
 866 }
 867
 868 int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 869                        struct ddb_entry *ddb_entry, uint32_t state)
 870 {
 871         uint32_t old_fw_ddb_device_state;
 872         int status = QLA_ERROR;
 873
 874         old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
 875         DEBUG2(ql4_printk(KERN_INFO, ha,
 876                           "%s: DDB - old state = 0x%x, new state = 0x%x for "
 877                           "index [%d]\n", __func__,
 878                           ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
 879
 880         ddb_entry->fw_ddb_device_state = state;
 881
 882         switch (old_fw_ddb_device_state) {
 883         case DDB_DS_LOGIN_IN_PROCESS:
 884                 switch (state) {
 885                 case DDB_DS_SESSION_ACTIVE:
 886                 case DDB_DS_DISCOVERY:
 887                         ddb_entry->unblock_sess(ddb_entry->sess);
 888                         qla4xxx_update_session_conn_param(ha, ddb_entry);
 889                         status = QLA_SUCCESS;
 890                         break;
 891                 case DDB_DS_SESSION_FAILED:
 892                 case DDB_DS_NO_CONNECTION_ACTIVE:
 893                         iscsi_conn_login_event(ddb_entry->conn,
 894                                                ISCSI_CONN_STATE_FREE);
 895                         status = QLA_SUCCESS;
 896                         break;
 897                 }
 898                 break;
 899         case DDB_DS_SESSION_ACTIVE:
 900                 switch (state) {
 901                 case DDB_DS_SESSION_FAILED:
 902                         /*
 903                          * iscsi_session failure  will cause userspace to
 904                          * stop the connection which in turn would block the
 905                          * iscsi_session and start relogin
 906                          */
 907                         iscsi_session_failure(ddb_entry->sess->dd_data,
 908                                               ISCSI_ERR_CONN_FAILED);
 909                         status = QLA_SUCCESS;
 910                         break;
 911                 case DDB_DS_NO_CONNECTION_ACTIVE:
 912                         clear_bit(fw_ddb_index, ha->ddb_idx_map);
 913                         status = QLA_SUCCESS;
 914                         break;
 915                 }
 916                 break;
 917         case DDB_DS_SESSION_FAILED:
 918                 switch (state) {
 919                 case DDB_DS_SESSION_ACTIVE:
 920                 case DDB_DS_DISCOVERY:
 921                         ddb_entry->unblock_sess(ddb_entry->sess);
 922                         qla4xxx_update_session_conn_param(ha, ddb_entry);
 923                         status = QLA_SUCCESS;
 924                         break;
 925                 case DDB_DS_SESSION_FAILED:
 926                         iscsi_session_failure(ddb_entry->sess->dd_data,
 927                                               ISCSI_ERR_CONN_FAILED);
 928                         status = QLA_SUCCESS;
 929                         break;
 930                 }
 931                 break;
 932         default:
 933                 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
 934                                 __func__));
 935                 break;
 936         }
 937         return status;
 938 }
 939
 940 void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
 941 {
 942         /*
 943          * This triggers a relogin.  After the relogin_timer
 944          * expires, the relogin gets scheduled.  We must wait a
 945          * minimum amount of time since receiving an 0x8014 AEN
 946          * with failed device_state or a logout response before
 947          * we can issue another relogin.
 948          *
 949          * Firmware pads this timeout: (time2wait +1).
 950          * Driver retry to login should be longer than F/W.
 951          * Otherwise F/W will fail
 952          * set_ddb() mbx cmd with 0x4005 since it still
 953          * counting down its time2wait.
 954          */
 955         atomic_set(&ddb_entry->relogin_timer, 0);
 956         atomic_set(&ddb_entry->retry_relogin_timer,
 957                    ddb_entry->default_time2wait + 4);
 958
 959 }
 960
 961 int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 962                              struct ddb_entry *ddb_entry, uint32_t state)
 963 {
 964         uint32_t old_fw_ddb_device_state;
 965         int status = QLA_ERROR;
 966
 967         old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
 968         DEBUG2(ql4_printk(KERN_INFO, ha,
 969                           "%s: DDB - old state = 0x%x, new state = 0x%x for "
 970                           "index [%d]\n", __func__,
 971                           ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
 972
 973         ddb_entry->fw_ddb_device_state = state;
 974
 975         switch (old_fw_ddb_device_state) {
 976         case DDB_DS_LOGIN_IN_PROCESS:
 977         case DDB_DS_NO_CONNECTION_ACTIVE:
 978                 switch (state) {
 979                 case DDB_DS_SESSION_ACTIVE:
 980                         ddb_entry->unblock_sess(ddb_entry->sess);
 981                         qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
 982                         status = QLA_SUCCESS;
 983                         break;
 984                 case DDB_DS_SESSION_FAILED:
 985                         iscsi_block_session(ddb_entry->sess);
 986                         if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
 987                                 qla4xxx_arm_relogin_timer(ddb_entry);
 988                         status = QLA_SUCCESS;
 989                         break;
 990                 }
 991                 break;
 992         case DDB_DS_SESSION_ACTIVE:
 993                 switch (state) {
 994                 case DDB_DS_SESSION_FAILED:
 995                         iscsi_block_session(ddb_entry->sess);
 996                         if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
 997                                 qla4xxx_arm_relogin_timer(ddb_entry);
 998                         status = QLA_SUCCESS;
 999                         break;
1000                 }
1001                 break;
1002         case DDB_DS_SESSION_FAILED:
1003                 switch (state) {
1004                 case DDB_DS_SESSION_ACTIVE:
1005                         ddb_entry->unblock_sess(ddb_entry->sess);
1006                         qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
1007                         status = QLA_SUCCESS;
1008                         break;
1009                 case DDB_DS_SESSION_FAILED:
1010                         if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1011                                 qla4xxx_arm_relogin_timer(ddb_entry);
1012                         status = QLA_SUCCESS;
1013                         break;
1014                 }
1015                 break;
1016         default:
1017                 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
1018                                   __func__));
1019                 break;
1020         }
1021         return status;
1022 }
1023
1024 /**
1025  * qla4xxx_process_ddb_changed - process ddb state change
1026  * @ha - Pointer to host adapter structure.
1027  * @fw_ddb_index - Firmware's device database index
1028  * @state - Device state
1029  *
1030  * This routine processes a Decive Database Changed AEN Event.
1031  **/
1032 int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
1033                                 uint32_t fw_ddb_index,
1034                                 uint32_t state, uint32_t conn_err)
1035 {
1036         struct ddb_entry *ddb_entry;
1037         int status = QLA_ERROR;
1038
1039         /* check for out of range index */
1040         if (fw_ddb_index >= MAX_DDB_ENTRIES)
1041                 goto exit_ddb_event;
1042
1043         /* Get the corresponging ddb entry */
1044         ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
1045         /* Device does not currently exist in our database. */
1046         if (ddb_entry == NULL) {
1047                 ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
1048                            __func__, fw_ddb_index);
1049
1050                 if (state == DDB_DS_NO_CONNECTION_ACTIVE)
1051                         clear_bit(fw_ddb_index, ha->ddb_idx_map);
1052
1053                 goto exit_ddb_event;
1054         }
1055
1056         ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
1057
1058 exit_ddb_event:
1059         return status;
1060 }
1061
1062 /**
1063  * qla4xxx_login_flash_ddb - Login to target (DDB)
1064  * @cls_session: Pointer to the session to login
1065  *
1066  * This routine logins to the target.
1067  * Issues setddb and conn open mbx
1068  **/
1069 void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
1070 {
1071         struct iscsi_session *sess;
1072         struct ddb_entry *ddb_entry;
1073         struct scsi_qla_host *ha;
1074         struct dev_db_entry *fw_ddb_entry = NULL;
1075         dma_addr_t fw_ddb_dma;
1076         uint32_t mbx_sts = 0;
1077         int ret;
1078
1079         sess = cls_session->dd_data;
1080         ddb_entry = sess->dd_data;
1081         ha =  ddb_entry->ha;
1082
1083         if (!test_bit(AF_LINK_UP, &ha->flags))
1084                 return;
1085
1086         if (ddb_entry->ddb_type != FLASH_DDB) {
1087                 DEBUG2(ql4_printk(KERN_INFO, ha,
1088                                   "Skipping login to non FLASH DB"));
1089                 goto exit_login;
1090         }
1091
1092         fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
1093                                       &fw_ddb_dma);
1094         if (fw_ddb_entry == NULL) {
1095                 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
1096                 goto exit_login;
1097         }
1098
1099         if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
1100                 ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
1101                 if (ret == QLA_ERROR)
1102                         goto exit_login;
1103
1104                 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
1105                 ha->tot_ddbs++;
1106         }
1107
1108         memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
1109                sizeof(struct dev_db_entry));
1110         ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
1111
1112         ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1113                                     fw_ddb_dma, &mbx_sts);
1114         if (ret == QLA_ERROR) {
1115                 DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
1116                 goto exit_login;
1117         }
1118
1119         ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
1120         ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
1121         if (ret == QLA_ERROR) {
1122                 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
1123                            sess->targetname);
1124                 goto exit_login;
1125         }
1126
1127 exit_login:
1128         if (fw_ddb_entry)
1129                 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
1130 }
1131