drivers/scsi/qla4xxx/ql4_mbx.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 "ql4_def.h"
   9 #include "ql4_glbl.h"
  10 #include "ql4_dbg.h"
  11 #include "ql4_inline.h"
  12
  13
  14 /**
  15  * qla4xxx_mailbox_command - issues mailbox commands
  16  * @ha: Pointer to host adapter structure.
  17  * @inCount: number of mailbox registers to load.
  18  * @outCount: number of mailbox registers to return.
  19  * @mbx_cmd: data pointer for mailbox in registers.
  20  * @mbx_sts: data pointer for mailbox out registers.
  21  *
  22  * This routine issue mailbox commands and waits for completion.
  23  * If outCount is 0, this routine completes successfully WITHOUT waiting
  24  * for the mailbox command to complete.
  25  **/
  26 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
  27                             uint8_t outCount, uint32_t *mbx_cmd,
  28                             uint32_t *mbx_sts)
  29 {
  30         int status = QLA_ERROR;
  31         uint8_t i;
  32         u_long wait_count;
  33         uint32_t intr_status;
  34         unsigned long flags = 0;
  35         uint32_t dev_state;
  36
  37         /* Make sure that pointers are valid */
  38         if (!mbx_cmd || !mbx_sts) {
  39                 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
  40                               "pointer\n", ha->host_no, __func__));
  41                 return status;
  42         }
  43
  44         if (is_qla8022(ha)) {
  45                 if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
  46                         DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
  47                             "prematurely completing mbx cmd as firmware "
  48                             "recovery detected\n", ha->host_no, __func__));
  49                         return status;
  50                 }
  51                 /* Do not send any mbx cmd if h/w is in failed state*/
  52                 qla4_8xxx_idc_lock(ha);
  53                 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
  54                 qla4_8xxx_idc_unlock(ha);
  55                 if (dev_state == QLA82XX_DEV_FAILED) {
  56                         ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: H/W is in "
  57                             "failed state, do not send any mailbox commands\n",
  58                             ha->host_no, __func__);
  59                         return status;
  60                 }
  61         }
  62
  63         if ((is_aer_supported(ha)) &&
  64             (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
  65                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
  66                     "timeout MBX Exiting.\n", ha->host_no, __func__));
  67                 return status;
  68         }
  69
  70         /* Mailbox code active */
  71         wait_count = MBOX_TOV * 100;
  72
  73         while (wait_count--) {
  74                 mutex_lock(&ha->mbox_sem);
  75                 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
  76                         set_bit(AF_MBOX_COMMAND, &ha->flags);
  77                         mutex_unlock(&ha->mbox_sem);
  78                         break;
  79                 }
  80                 mutex_unlock(&ha->mbox_sem);
  81                 if (!wait_count) {
  82                         DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
  83                                 ha->host_no, __func__));
  84                         return status;
  85                 }
  86                 msleep(10);
  87         }
  88
  89         spin_lock_irqsave(&ha->hardware_lock, flags);
  90
  91         ha->mbox_status_count = outCount;
  92         for (i = 0; i < outCount; i++)
  93                 ha->mbox_status[i] = 0;
  94
  95         if (is_qla8022(ha)) {
  96                 /* Load all mailbox registers, except mailbox 0. */
  97                 DEBUG5(
  98                     printk("scsi%ld: %s: Cmd ", ha->host_no, __func__);
  99                     for (i = 0; i < inCount; i++)
 100                         printk("mb%d=%04x ", i, mbx_cmd[i]);
 101                     printk("\n"));
 102
 103                 for (i = 1; i < inCount; i++)
 104                         writel(mbx_cmd[i], &ha->qla4_8xxx_reg->mailbox_in[i]);
 105                 writel(mbx_cmd[0], &ha->qla4_8xxx_reg->mailbox_in[0]);
 106                 readl(&ha->qla4_8xxx_reg->mailbox_in[0]);
 107                 writel(HINT_MBX_INT_PENDING, &ha->qla4_8xxx_reg->hint);
 108         } else {
 109                 /* Load all mailbox registers, except mailbox 0. */
 110                 for (i = 1; i < inCount; i++)
 111                         writel(mbx_cmd[i], &ha->reg->mailbox[i]);
 112
 113                 /* Wakeup firmware  */
 114                 writel(mbx_cmd[0], &ha->reg->mailbox[0]);
 115                 readl(&ha->reg->mailbox[0]);
 116                 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
 117                 readl(&ha->reg->ctrl_status);
 118         }
 119
 120         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 121
 122         /* Wait for completion */
 123
 124         /*
 125          * If we don't want status, don't wait for the mailbox command to
 126          * complete.  For example, MBOX_CMD_RESET_FW doesn't return status,
 127          * you must poll the inbound Interrupt Mask for completion.
 128          */
 129         if (outCount == 0) {
 130                 status = QLA_SUCCESS;
 131                 goto mbox_exit;
 132         }
 133
 134         /*
 135          * Wait for completion: Poll or completion queue
 136          */
 137         if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
 138             test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
 139             test_bit(AF_ONLINE, &ha->flags) &&
 140             !test_bit(AF_HA_REMOVAL, &ha->flags)) {
 141                 /* Do not poll for completion. Use completion queue */
 142                 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 143                 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
 144                 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 145         } else {
 146                 /* Poll for command to complete */
 147                 wait_count = jiffies + MBOX_TOV * HZ;
 148                 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
 149                         if (time_after_eq(jiffies, wait_count))
 150                                 break;
 151
 152                         /*
 153                          * Service the interrupt.
 154                          * The ISR will save the mailbox status registers
 155                          * to a temporary storage location in the adapter
 156                          * structure.
 157                          */
 158
 159                         spin_lock_irqsave(&ha->hardware_lock, flags);
 160                         if (is_qla8022(ha)) {
 161                                 intr_status =
 162                                     readl(&ha->qla4_8xxx_reg->host_int);
 163                                 if (intr_status & ISRX_82XX_RISC_INT) {
 164                                         ha->mbox_status_count = outCount;
 165                                         intr_status =
 166                                          readl(&ha->qla4_8xxx_reg->host_status);
 167                                         ha->isp_ops->interrupt_service_routine(
 168                                             ha, intr_status);
 169                                         if (test_bit(AF_INTERRUPTS_ON,
 170                                             &ha->flags) &&
 171                                             test_bit(AF_INTx_ENABLED,
 172                                             &ha->flags))
 173                                                 qla4_8xxx_wr_32(ha,
 174                                                 ha->nx_legacy_intr.tgt_mask_reg,
 175                                                 0xfbff);
 176                                 }
 177                         } else {
 178                                 intr_status = readl(&ha->reg->ctrl_status);
 179                                 if (intr_status & INTR_PENDING) {
 180                                         /*
 181                                          * Service the interrupt.
 182                                          * The ISR will save the mailbox status
 183                                          * registers to a temporary storage
 184                                          * location in the adapter structure.
 185                                          */
 186                                         ha->mbox_status_count = outCount;
 187                                         ha->isp_ops->interrupt_service_routine(
 188                                             ha, intr_status);
 189                                 }
 190                         }
 191                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 192                         msleep(10);
 193                 }
 194         }
 195
 196         /* Check for mailbox timeout. */
 197         if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
 198                 if (is_qla8022(ha) &&
 199                     test_bit(AF_FW_RECOVERY, &ha->flags)) {
 200                         DEBUG2(ql4_printk(KERN_INFO, ha,
 201                             "scsi%ld: %s: prematurely completing mbx cmd as "
 202                             "firmware recovery detected\n",
 203                             ha->host_no, __func__));
 204                         goto mbox_exit;
 205                 }
 206                 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
 207                               " Scheduling Adapter Reset\n", ha->host_no,
 208                               mbx_cmd[0]));
 209                 ha->mailbox_timeout_count++;
 210                 mbx_sts[0] = (-1);
 211                 set_bit(DPC_RESET_HA, &ha->dpc_flags);
 212                 goto mbox_exit;
 213         }
 214
 215         /*
 216          * Copy the mailbox out registers to the caller's mailbox in/out
 217          * structure.
 218          */
 219         spin_lock_irqsave(&ha->hardware_lock, flags);
 220         for (i = 0; i < outCount; i++)
 221                 mbx_sts[i] = ha->mbox_status[i];
 222
 223         /* Set return status and error flags (if applicable). */
 224         switch (ha->mbox_status[0]) {
 225         case MBOX_STS_COMMAND_COMPLETE:
 226                 status = QLA_SUCCESS;
 227                 break;
 228
 229         case MBOX_STS_INTERMEDIATE_COMPLETION:
 230                 status = QLA_SUCCESS;
 231                 break;
 232
 233         case MBOX_STS_BUSY:
 234                 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
 235                                ha->host_no, __func__, mbx_cmd[0]));
 236                 ha->mailbox_timeout_count++;
 237                 break;
 238
 239         default:
 240                 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
 241                               "sts = %08X ****\n", ha->host_no, __func__,
 242                               mbx_cmd[0], mbx_sts[0]));
 243                 break;
 244         }
 245         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 246
 247 mbox_exit:
 248         mutex_lock(&ha->mbox_sem);
 249         clear_bit(AF_MBOX_COMMAND, &ha->flags);
 250         mutex_unlock(&ha->mbox_sem);
 251         clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 252
 253         return status;
 254 }
 255
 256 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
 257 {
 258         set_bit(AF_FW_RECOVERY, &ha->flags);
 259         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
 260             ha->host_no, __func__);
 261
 262         if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
 263                 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
 264                         complete(&ha->mbx_intr_comp);
 265                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 266                             "recovery, doing premature completion of "
 267                             "mbx cmd\n", ha->host_no, __func__);
 268
 269                 } else {
 270                         set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 271                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 272                             "recovery, doing premature completion of "
 273                             "polling mbx cmd\n", ha->host_no, __func__);
 274                 }
 275         }
 276 }
 277
 278 static uint8_t
 279 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 280                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 281 {
 282         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 283         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 284
 285         if (is_qla8022(ha))
 286                 qla4_8xxx_wr_32(ha, ha->nx_db_wr_ptr, 0);
 287
 288         mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
 289         mbox_cmd[1] = 0;
 290         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 291         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 292         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 293         mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
 294
 295         if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
 296             QLA_SUCCESS) {
 297                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 298                               "MBOX_CMD_INITIALIZE_FIRMWARE"
 299                               " failed w/ status %04X\n",
 300                               ha->host_no, __func__, mbox_sts[0]));
 301                 return QLA_ERROR;
 302         }
 303         return QLA_SUCCESS;
 304 }
 305
 306 uint8_t
 307 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 308                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 309 {
 310         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 311         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 312         mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
 313         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 314         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 315         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 316
 317         if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
 318             QLA_SUCCESS) {
 319                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 320                               "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
 321                               " failed w/ status %04X\n",
 322                               ha->host_no, __func__, mbox_sts[0]));
 323                 return QLA_ERROR;
 324         }
 325         return QLA_SUCCESS;
 326 }
 327
 328 static void
 329 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
 330                         struct addr_ctrl_blk *init_fw_cb)
 331 {
 332         ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
 333         ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
 334         ha->ip_config.ipv4_addr_state =
 335                                 le16_to_cpu(init_fw_cb->ipv4_addr_state);
 336         ha->ip_config.eth_mtu_size =
 337                                 le16_to_cpu(init_fw_cb->eth_mtu_size);
 338
 339         if (ha->acb_version == ACB_SUPPORTED) {
 340                 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
 341                 ha->ip_config.ipv6_addl_options =
 342                                 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
 343         }
 344
 345         /* Save IPv4 Address Info */
 346         memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
 347                min(sizeof(ha->ip_config.ip_address),
 348                    sizeof(init_fw_cb->ipv4_addr)));
 349         memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
 350                min(sizeof(ha->ip_config.subnet_mask),
 351                    sizeof(init_fw_cb->ipv4_subnet)));
 352         memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
 353                min(sizeof(ha->ip_config.gateway),
 354                    sizeof(init_fw_cb->ipv4_gw_addr)));
 355
 356         ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 357
 358         if (is_ipv6_enabled(ha)) {
 359                 /* Save IPv6 Address */
 360                 ha->ip_config.ipv6_link_local_state =
 361                         le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
 362                 ha->ip_config.ipv6_addr0_state =
 363                                 le16_to_cpu(init_fw_cb->ipv6_addr0_state);
 364                 ha->ip_config.ipv6_addr1_state =
 365                                 le16_to_cpu(init_fw_cb->ipv6_addr1_state);
 366                 ha->ip_config.ipv6_default_router_state =
 367                                 le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
 368                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
 369                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
 370
 371                 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
 372                        init_fw_cb->ipv6_if_id,
 373                        min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
 374                            sizeof(init_fw_cb->ipv6_if_id)));
 375                 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
 376                        min(sizeof(ha->ip_config.ipv6_addr0),
 377                            sizeof(init_fw_cb->ipv6_addr0)));
 378                 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
 379                        min(sizeof(ha->ip_config.ipv6_addr1),
 380                            sizeof(init_fw_cb->ipv6_addr1)));
 381                 memcpy(&ha->ip_config.ipv6_default_router_addr,
 382                        init_fw_cb->ipv6_dflt_rtr_addr,
 383                        min(sizeof(ha->ip_config.ipv6_default_router_addr),
 384                            sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
 385                 ha->ip_config.ipv6_vlan_tag =
 386                                 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
 387         }
 388 }
 389
 390 uint8_t
 391 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 392                           uint32_t *mbox_cmd,
 393                           uint32_t *mbox_sts,
 394                           struct addr_ctrl_blk  *init_fw_cb,
 395                           dma_addr_t init_fw_cb_dma)
 396 {
 397         if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
 398             != QLA_SUCCESS) {
 399                 DEBUG2(printk(KERN_WARNING
 400                               "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 401                               ha->host_no, __func__));
 402                 return QLA_ERROR;
 403         }
 404
 405         DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
 406
 407         /* Save some info in adapter structure. */
 408         ha->acb_version = init_fw_cb->acb_version;
 409         ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
 410         ha->heartbeat_interval = init_fw_cb->hb_interval;
 411         memcpy(ha->name_string, init_fw_cb->iscsi_name,
 412                 min(sizeof(ha->name_string),
 413                 sizeof(init_fw_cb->iscsi_name)));
 414         /*memcpy(ha->alias, init_fw_cb->Alias,
 415                min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 416
 417         qla4xxx_update_local_ip(ha, init_fw_cb);
 418
 419         return QLA_SUCCESS;
 420 }
 421
 422 /**
 423  * qla4xxx_initialize_fw_cb - initializes firmware control block.
 424  * @ha: Pointer to host adapter structure.
 425  **/
 426 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 427 {
 428         struct addr_ctrl_blk *init_fw_cb;
 429         dma_addr_t init_fw_cb_dma;
 430         uint32_t mbox_cmd[MBOX_REG_COUNT];
 431         uint32_t mbox_sts[MBOX_REG_COUNT];
 432         int status = QLA_ERROR;
 433
 434         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 435                                         sizeof(struct addr_ctrl_blk),
 436                                         &init_fw_cb_dma, GFP_KERNEL);
 437         if (init_fw_cb == NULL) {
 438                 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
 439                               ha->host_no, __func__));
 440                 goto exit_init_fw_cb_no_free;
 441         }
 442         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 443
 444         /* Get Initialize Firmware Control Block. */
 445         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 446         memset(&mbox_sts, 0, sizeof(mbox_sts));
 447
 448         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 449             QLA_SUCCESS) {
 450                 dma_free_coherent(&ha->pdev->dev,
 451                                   sizeof(struct addr_ctrl_blk),
 452                                   init_fw_cb, init_fw_cb_dma);
 453                 goto exit_init_fw_cb;
 454         }
 455
 456         /* Initialize request and response queues. */
 457         qla4xxx_init_rings(ha);
 458
 459         /* Fill in the request and response queue information. */
 460         init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
 461         init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
 462         init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
 463         init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
 464         init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
 465         init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
 466         init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
 467         init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
 468         init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
 469         init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
 470
 471         /* Set up required options. */
 472         init_fw_cb->fw_options |=
 473                 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
 474                                        FWOPT_INITIATOR_MODE);
 475
 476         if (is_qla8022(ha))
 477                 init_fw_cb->fw_options |=
 478                     __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
 479
 480         init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 481
 482         init_fw_cb->add_fw_options = 0;
 483         init_fw_cb->add_fw_options |=
 484                         __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
 485         init_fw_cb->add_fw_options |=
 486                         __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
 487
 488         if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
 489                 != QLA_SUCCESS) {
 490                 DEBUG2(printk(KERN_WARNING
 491                               "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
 492                               ha->host_no, __func__));
 493                 goto exit_init_fw_cb;
 494         }
 495
 496         if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
 497                 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
 498                 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
 499                                 ha->host_no, __func__));
 500                 goto exit_init_fw_cb;
 501         }
 502         status = QLA_SUCCESS;
 503
 504 exit_init_fw_cb:
 505         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 506                                 init_fw_cb, init_fw_cb_dma);
 507 exit_init_fw_cb_no_free:
 508         return status;
 509 }
 510
 511 /**
 512  * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
 513  * @ha: Pointer to host adapter structure.
 514  **/
 515 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 516 {
 517         struct addr_ctrl_blk *init_fw_cb;
 518         dma_addr_t init_fw_cb_dma;
 519         uint32_t mbox_cmd[MBOX_REG_COUNT];
 520         uint32_t mbox_sts[MBOX_REG_COUNT];
 521
 522         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 523                                         sizeof(struct addr_ctrl_blk),
 524                                         &init_fw_cb_dma, GFP_KERNEL);
 525         if (init_fw_cb == NULL) {
 526                 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
 527                        __func__);
 528                 return QLA_ERROR;
 529         }
 530
 531         /* Get Initialize Firmware Control Block. */
 532         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 533         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 534             QLA_SUCCESS) {
 535                 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 536                               ha->host_no, __func__));
 537                 dma_free_coherent(&ha->pdev->dev,
 538                                   sizeof(struct addr_ctrl_blk),
 539                                   init_fw_cb, init_fw_cb_dma);
 540                 return QLA_ERROR;
 541         }
 542
 543         /* Save IP Address. */
 544         qla4xxx_update_local_ip(ha, init_fw_cb);
 545         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 546                                 init_fw_cb, init_fw_cb_dma);
 547
 548         return QLA_SUCCESS;
 549 }
 550
 551 /**
 552  * qla4xxx_get_firmware_state - gets firmware state of HBA
 553  * @ha: Pointer to host adapter structure.
 554  **/
 555 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
 556 {
 557         uint32_t mbox_cmd[MBOX_REG_COUNT];
 558         uint32_t mbox_sts[MBOX_REG_COUNT];
 559
 560         /* Get firmware version */
 561         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 562         memset(&mbox_sts, 0, sizeof(mbox_sts));
 563
 564         mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
 565
 566         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
 567             QLA_SUCCESS) {
 568                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
 569                               "status %04X\n", ha->host_no, __func__,
 570                               mbox_sts[0]));
 571                 return QLA_ERROR;
 572         }
 573         ha->firmware_state = mbox_sts[1];
 574         ha->board_id = mbox_sts[2];
 575         ha->addl_fw_state = mbox_sts[3];
 576         DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
 577                       ha->host_no, __func__, ha->firmware_state);)
 578
 579         return QLA_SUCCESS;
 580 }
 581
 582 /**
 583  * qla4xxx_get_firmware_status - retrieves firmware status
 584  * @ha: Pointer to host adapter structure.
 585  **/
 586 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
 587 {
 588         uint32_t mbox_cmd[MBOX_REG_COUNT];
 589         uint32_t mbox_sts[MBOX_REG_COUNT];
 590
 591         /* Get firmware version */
 592         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 593         memset(&mbox_sts, 0, sizeof(mbox_sts));
 594
 595         mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
 596
 597         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
 598             QLA_SUCCESS) {
 599                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
 600                               "status %04X\n", ha->host_no, __func__,
 601                               mbox_sts[0]));
 602                 return QLA_ERROR;
 603         }
 604
 605         ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n",
 606             ha->host_no, mbox_sts[2]);
 607
 608         return QLA_SUCCESS;
 609 }
 610
 611 /**
 612  * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
 613  * @ha: Pointer to host adapter structure.
 614  * @fw_ddb_index: Firmware's device database index
 615  * @fw_ddb_entry: Pointer to firmware's device database entry structure
 616  * @num_valid_ddb_entries: Pointer to number of valid ddb entries
 617  * @next_ddb_index: Pointer to next valid device database index
 618  * @fw_ddb_device_state: Pointer to device state
 619  **/
 620 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 621                             uint16_t fw_ddb_index,
 622                             struct dev_db_entry *fw_ddb_entry,
 623                             dma_addr_t fw_ddb_entry_dma,
 624                             uint32_t *num_valid_ddb_entries,
 625                             uint32_t *next_ddb_index,
 626                             uint32_t *fw_ddb_device_state,
 627                             uint32_t *conn_err_detail,
 628                             uint16_t *tcp_source_port_num,
 629                             uint16_t *connection_id)
 630 {
 631         int status = QLA_ERROR;
 632         uint16_t options;
 633         uint32_t mbox_cmd[MBOX_REG_COUNT];
 634         uint32_t mbox_sts[MBOX_REG_COUNT];
 635
 636         /* Make sure the device index is valid */
 637         if (fw_ddb_index >= MAX_DDB_ENTRIES) {
 638                 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
 639                               ha->host_no, __func__, fw_ddb_index));
 640                 goto exit_get_fwddb;
 641         }
 642         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 643         memset(&mbox_sts, 0, sizeof(mbox_sts));
 644
 645         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
 646         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 647         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 648         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 649         mbox_cmd[4] = sizeof(struct dev_db_entry);
 650
 651         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
 652             QLA_ERROR) {
 653                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
 654                               " with status 0x%04X\n", ha->host_no, __func__,
 655                               mbox_sts[0]));
 656                 goto exit_get_fwddb;
 657         }
 658         if (fw_ddb_index != mbox_sts[1]) {
 659                 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
 660                               ha->host_no, __func__, fw_ddb_index,
 661                               mbox_sts[1]));
 662                 goto exit_get_fwddb;
 663         }
 664         if (fw_ddb_entry) {
 665                 options = le16_to_cpu(fw_ddb_entry->options);
 666                 if (options & DDB_OPT_IPV6_DEVICE) {
 667                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 668                                 "Next %d State %04x ConnErr %08x %pI6 "
 669                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 670                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 671                                 mbox_sts[4], mbox_sts[5],
 672                                 fw_ddb_entry->ip_addr,
 673                                 le16_to_cpu(fw_ddb_entry->port),
 674                                 fw_ddb_entry->iscsi_name);
 675                 } else {
 676                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 677                                 "Next %d State %04x ConnErr %08x %pI4 "
 678                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 679                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 680                                 mbox_sts[4], mbox_sts[5],
 681                                 fw_ddb_entry->ip_addr,
 682                                 le16_to_cpu(fw_ddb_entry->port),
 683                                 fw_ddb_entry->iscsi_name);
 684                 }
 685         }
 686         if (num_valid_ddb_entries)
 687                 *num_valid_ddb_entries = mbox_sts[2];
 688         if (next_ddb_index)
 689                 *next_ddb_index = mbox_sts[3];
 690         if (fw_ddb_device_state)
 691                 *fw_ddb_device_state = mbox_sts[4];
 692
 693         /*
 694          * RA: This mailbox has been changed to pass connection error and
 695          * details.  Its true for ISP4010 as per Version E - Not sure when it
 696          * was changed.  Get the time2wait from the fw_dd_entry field :
 697          * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
 698          * struct.
 699          */
 700         if (conn_err_detail)
 701                 *conn_err_detail = mbox_sts[5];
 702         if (tcp_source_port_num)
 703                 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 704         if (connection_id)
 705                 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 706         status = QLA_SUCCESS;
 707
 708 exit_get_fwddb:
 709         return status;
 710 }
 711
 712 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
 713 {
 714         uint32_t mbox_cmd[MBOX_REG_COUNT];
 715         uint32_t mbox_sts[MBOX_REG_COUNT];
 716         int status;
 717
 718         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 719         memset(&mbox_sts, 0, sizeof(mbox_sts));
 720
 721         mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
 722         mbox_cmd[1] = fw_ddb_index;
 723
 724         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 725                                          &mbox_sts[0]);
 726         DEBUG2(ql4_printk(KERN_INFO, ha,
 727                           "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
 728                           __func__, status, mbox_sts[0], mbox_sts[1]));
 729         return status;
 730 }
 731
 732 /**
 733  * qla4xxx_set_fwddb_entry - sets a ddb entry.
 734  * @ha: Pointer to host adapter structure.
 735  * @fw_ddb_index: Firmware's device database index
 736  * @fw_ddb_entry_dma: dma address of ddb entry
 737  * @mbx_sts: mailbox 0 to be returned or NULL
 738  *
 739  * This routine initializes or updates the adapter's device database
 740  * entry for the specified device.
 741  **/
 742 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 743                           dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 744 {
 745         uint32_t mbox_cmd[MBOX_REG_COUNT];
 746         uint32_t mbox_sts[MBOX_REG_COUNT];
 747         int status;
 748
 749         /* Do not wait for completion. The firmware will send us an
 750          * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
 751          */
 752         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 753         memset(&mbox_sts, 0, sizeof(mbox_sts));
 754
 755         mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
 756         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 757         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 758         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 759         mbox_cmd[4] = sizeof(struct dev_db_entry);
 760
 761         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 762                                          &mbox_sts[0]);
 763         if (mbx_sts)
 764                 *mbx_sts = mbox_sts[0];
 765         DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 766             ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 767
 768         return status;
 769 }
 770
 771 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
 772                                struct ddb_entry *ddb_entry, int options)
 773 {
 774         int status;
 775         uint32_t mbox_cmd[MBOX_REG_COUNT];
 776         uint32_t mbox_sts[MBOX_REG_COUNT];
 777
 778         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 779         memset(&mbox_sts, 0, sizeof(mbox_sts));
 780
 781         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
 782         mbox_cmd[1] = ddb_entry->fw_ddb_index;
 783         mbox_cmd[3] = options;
 784
 785         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 786                                          &mbox_sts[0]);
 787         if (status != QLA_SUCCESS) {
 788                 DEBUG2(ql4_printk(KERN_INFO, ha,
 789                                   "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
 790                                   "failed sts %04X %04X", __func__,
 791                                   mbox_sts[0], mbox_sts[1]));
 792         }
 793
 794         return status;
 795 }
 796
 797 /**
 798  * qla4xxx_get_crash_record - retrieves crash record.
 799  * @ha: Pointer to host adapter structure.
 800  *
 801  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
 802  **/
 803 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
 804 {
 805         uint32_t mbox_cmd[MBOX_REG_COUNT];
 806         uint32_t mbox_sts[MBOX_REG_COUNT];
 807         struct crash_record *crash_record = NULL;
 808         dma_addr_t crash_record_dma = 0;
 809         uint32_t crash_record_size = 0;
 810
 811         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 812         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 813
 814         /* Get size of crash record. */
 815         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 816
 817         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 818             QLA_SUCCESS) {
 819                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
 820                               ha->host_no, __func__));
 821                 goto exit_get_crash_record;
 822         }
 823         crash_record_size = mbox_sts[4];
 824         if (crash_record_size == 0) {
 825                 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
 826                               ha->host_no, __func__));
 827                 goto exit_get_crash_record;
 828         }
 829
 830         /* Alloc Memory for Crash Record. */
 831         crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
 832                                           &crash_record_dma, GFP_KERNEL);
 833         if (crash_record == NULL)
 834                 goto exit_get_crash_record;
 835
 836         /* Get Crash Record. */
 837         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 838         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 839
 840         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 841         mbox_cmd[2] = LSDW(crash_record_dma);
 842         mbox_cmd[3] = MSDW(crash_record_dma);
 843         mbox_cmd[4] = crash_record_size;
 844
 845         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 846             QLA_SUCCESS)
 847                 goto exit_get_crash_record;
 848
 849         /* Dump Crash Record. */
 850
 851 exit_get_crash_record:
 852         if (crash_record)
 853                 dma_free_coherent(&ha->pdev->dev, crash_record_size,
 854                                   crash_record, crash_record_dma);
 855 }
 856
 857 /**
 858  * qla4xxx_get_conn_event_log - retrieves connection event log
 859  * @ha: Pointer to host adapter structure.
 860  **/
 861 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 862 {
 863         uint32_t mbox_cmd[MBOX_REG_COUNT];
 864         uint32_t mbox_sts[MBOX_REG_COUNT];
 865         struct conn_event_log_entry *event_log = NULL;
 866         dma_addr_t event_log_dma = 0;
 867         uint32_t event_log_size = 0;
 868         uint32_t num_valid_entries;
 869         uint32_t      oldest_entry = 0;
 870         uint32_t        max_event_log_entries;
 871         uint8_t         i;
 872
 873
 874         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 875         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 876
 877         /* Get size of crash record. */
 878         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 879
 880         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 881             QLA_SUCCESS)
 882                 goto exit_get_event_log;
 883
 884         event_log_size = mbox_sts[4];
 885         if (event_log_size == 0)
 886                 goto exit_get_event_log;
 887
 888         /* Alloc Memory for Crash Record. */
 889         event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
 890                                        &event_log_dma, GFP_KERNEL);
 891         if (event_log == NULL)
 892                 goto exit_get_event_log;
 893
 894         /* Get Crash Record. */
 895         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 896         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 897
 898         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 899         mbox_cmd[2] = LSDW(event_log_dma);
 900         mbox_cmd[3] = MSDW(event_log_dma);
 901
 902         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 903             QLA_SUCCESS) {
 904                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
 905                               "log!\n", ha->host_no, __func__));
 906                 goto exit_get_event_log;
 907         }
 908
 909         /* Dump Event Log. */
 910         num_valid_entries = mbox_sts[1];
 911
 912         max_event_log_entries = event_log_size /
 913                 sizeof(struct conn_event_log_entry);
 914
 915         if (num_valid_entries > max_event_log_entries)
 916                 oldest_entry = num_valid_entries % max_event_log_entries;
 917
 918         DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 919                       ha->host_no, num_valid_entries));
 920
 921         if (ql4xextended_error_logging == 3) {
 922                 if (oldest_entry == 0) {
 923                         /* Circular Buffer has not wrapped around */
 924                         for (i=0; i < num_valid_entries; i++) {
 925                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 926                                                     (i*sizeof(*event_log)),
 927                                                     sizeof(*event_log));
 928                         }
 929                 }
 930                 else {
 931                         /* Circular Buffer has wrapped around -
 932                          * display accordingly*/
 933                         for (i=oldest_entry; i < max_event_log_entries; i++) {
 934                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 935                                                     (i*sizeof(*event_log)),
 936                                                     sizeof(*event_log));
 937                         }
 938                         for (i=0; i < oldest_entry; i++) {
 939                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 940                                                     (i*sizeof(*event_log)),
 941                                                     sizeof(*event_log));
 942                         }
 943                 }
 944         }
 945
 946 exit_get_event_log:
 947         if (event_log)
 948                 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
 949                                   event_log_dma);
 950 }
 951
 952 /**
 953  * qla4xxx_abort_task - issues Abort Task
 954  * @ha: Pointer to host adapter structure.
 955  * @srb: Pointer to srb entry
 956  *
 957  * This routine performs a LUN RESET on the specified target/lun.
 958  * The caller must ensure that the ddb_entry and lun_entry pointers
 959  * are valid before calling this routine.
 960  **/
 961 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
 962 {
 963         uint32_t mbox_cmd[MBOX_REG_COUNT];
 964         uint32_t mbox_sts[MBOX_REG_COUNT];
 965         struct scsi_cmnd *cmd = srb->cmd;
 966         int status = QLA_SUCCESS;
 967         unsigned long flags = 0;
 968         uint32_t index;
 969
 970         /*
 971          * Send abort task command to ISP, so that the ISP will return
 972          * request with ABORT status
 973          */
 974         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 975         memset(&mbox_sts, 0, sizeof(mbox_sts));
 976
 977         spin_lock_irqsave(&ha->hardware_lock, flags);
 978         index = (unsigned long)(unsigned char *)cmd->host_scribble;
 979         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 980
 981         /* Firmware already posted completion on response queue */
 982         if (index == MAX_SRBS)
 983                 return status;
 984
 985         mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
 986         mbox_cmd[1] = srb->ddb->fw_ddb_index;
 987         mbox_cmd[2] = index;
 988         /* Immediate Command Enable */
 989         mbox_cmd[5] = 0x01;
 990
 991         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 992             &mbox_sts[0]);
 993         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
 994                 status = QLA_ERROR;
 995
 996                 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
 997                     "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
 998                     ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
 999                     mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1000         }
1001
1002         return status;
1003 }
1004
1005 /**
1006  * qla4xxx_reset_lun - issues LUN Reset
1007  * @ha: Pointer to host adapter structure.
1008  * @ddb_entry: Pointer to device database entry
1009  * @lun: lun number
1010  *
1011  * This routine performs a LUN RESET on the specified target/lun.
1012  * The caller must ensure that the ddb_entry and lun_entry pointers
1013  * are valid before calling this routine.
1014  **/
1015 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1016                       int lun)
1017 {
1018         uint32_t mbox_cmd[MBOX_REG_COUNT];
1019         uint32_t mbox_sts[MBOX_REG_COUNT];
1020         int status = QLA_SUCCESS;
1021
1022         DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1023                       ddb_entry->fw_ddb_index, lun));
1024
1025         /*
1026          * Send lun reset command to ISP, so that the ISP will return all
1027          * outstanding requests with RESET status
1028          */
1029         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1030         memset(&mbox_sts, 0, sizeof(mbox_sts));
1031
1032         mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1033         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1034         mbox_cmd[2] = lun << 8;
1035         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1036
1037         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1038         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1039             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1040                 status = QLA_ERROR;
1041
1042         return status;
1043 }
1044
1045 /**
1046  * qla4xxx_reset_target - issues target Reset
1047  * @ha: Pointer to host adapter structure.
1048  * @db_entry: Pointer to device database entry
1049  * @un_entry: Pointer to lun entry structure
1050  *
1051  * This routine performs a TARGET RESET on the specified target.
1052  * The caller must ensure that the ddb_entry pointers
1053  * are valid before calling this routine.
1054  **/
1055 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1056                          struct ddb_entry *ddb_entry)
1057 {
1058         uint32_t mbox_cmd[MBOX_REG_COUNT];
1059         uint32_t mbox_sts[MBOX_REG_COUNT];
1060         int status = QLA_SUCCESS;
1061
1062         DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1063                       ddb_entry->fw_ddb_index));
1064
1065         /*
1066          * Send target reset command to ISP, so that the ISP will return all
1067          * outstanding requests with RESET status
1068          */
1069         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1070         memset(&mbox_sts, 0, sizeof(mbox_sts));
1071
1072         mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1073         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1074         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1075
1076         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1077                                 &mbox_sts[0]);
1078         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1079             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1080                 status = QLA_ERROR;
1081
1082         return status;
1083 }
1084
1085 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1086                       uint32_t offset, uint32_t len)
1087 {
1088         uint32_t mbox_cmd[MBOX_REG_COUNT];
1089         uint32_t mbox_sts[MBOX_REG_COUNT];
1090
1091         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1092         memset(&mbox_sts, 0, sizeof(mbox_sts));
1093
1094         mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1095         mbox_cmd[1] = LSDW(dma_addr);
1096         mbox_cmd[2] = MSDW(dma_addr);
1097         mbox_cmd[3] = offset;
1098         mbox_cmd[4] = len;
1099
1100         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1101             QLA_SUCCESS) {
1102                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1103                     "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1104                     __func__, mbox_sts[0], mbox_sts[1], offset, len));
1105                 return QLA_ERROR;
1106         }
1107         return QLA_SUCCESS;
1108 }
1109
1110 /**
1111  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1112  * @ha: Pointer to host adapter structure.
1113  *
1114  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1115  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1116  * those mailboxes, if unused.
1117  **/
1118 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1119 {
1120         struct about_fw_info *about_fw = NULL;
1121         dma_addr_t about_fw_dma;
1122         uint32_t mbox_cmd[MBOX_REG_COUNT];
1123         uint32_t mbox_sts[MBOX_REG_COUNT];
1124         int status = QLA_ERROR;
1125
1126         about_fw = dma_alloc_coherent(&ha->pdev->dev,
1127                                       sizeof(struct about_fw_info),
1128                                       &about_fw_dma, GFP_KERNEL);
1129         if (!about_fw) {
1130                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1131                                   "for about_fw\n", __func__));
1132                 return status;
1133         }
1134
1135         memset(about_fw, 0, sizeof(struct about_fw_info));
1136         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1137         memset(&mbox_sts, 0, sizeof(mbox_sts));
1138
1139         mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1140         mbox_cmd[2] = LSDW(about_fw_dma);
1141         mbox_cmd[3] = MSDW(about_fw_dma);
1142         mbox_cmd[4] = sizeof(struct about_fw_info);
1143
1144         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1145                                          &mbox_cmd[0], &mbox_sts[0]);
1146         if (status != QLA_SUCCESS) {
1147                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1148                                   "failed w/ status %04X\n", __func__,
1149                                   mbox_sts[0]));
1150                 goto exit_about_fw;
1151         }
1152
1153         /* Save version information. */
1154         ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1155         ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1156         ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1157         ha->build_number = le16_to_cpu(about_fw->fw_build);
1158         ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1159         ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1160         ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1161         ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1162         ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1163         ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1164         status = QLA_SUCCESS;
1165
1166 exit_about_fw:
1167         dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1168                           about_fw, about_fw_dma);
1169         return status;
1170 }
1171
1172 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1173                                    dma_addr_t dma_addr)
1174 {
1175         uint32_t mbox_cmd[MBOX_REG_COUNT];
1176         uint32_t mbox_sts[MBOX_REG_COUNT];
1177
1178         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1179         memset(&mbox_sts, 0, sizeof(mbox_sts));
1180
1181         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1182         mbox_cmd[1] = options;
1183         mbox_cmd[2] = LSDW(dma_addr);
1184         mbox_cmd[3] = MSDW(dma_addr);
1185
1186         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1187             QLA_SUCCESS) {
1188                 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1189                      ha->host_no, __func__, mbox_sts[0]));
1190                 return QLA_ERROR;
1191         }
1192         return QLA_SUCCESS;
1193 }
1194
1195 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1196                           uint32_t *mbx_sts)
1197 {
1198         int status;
1199         uint32_t mbox_cmd[MBOX_REG_COUNT];
1200         uint32_t mbox_sts[MBOX_REG_COUNT];
1201
1202         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1203         memset(&mbox_sts, 0, sizeof(mbox_sts));
1204
1205         mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1206         mbox_cmd[1] = ddb_index;
1207
1208         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1209                                          &mbox_sts[0]);
1210         if (status != QLA_SUCCESS) {
1211                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1212                                    __func__, mbox_sts[0]));
1213         }
1214
1215         *mbx_sts = mbox_sts[0];
1216         return status;
1217 }
1218
1219 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1220 {
1221         int status;
1222         uint32_t mbox_cmd[MBOX_REG_COUNT];
1223         uint32_t mbox_sts[MBOX_REG_COUNT];
1224
1225         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1226         memset(&mbox_sts, 0, sizeof(mbox_sts));
1227
1228         mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1229         mbox_cmd[1] = ddb_index;
1230
1231         status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1232                                          &mbox_sts[0]);
1233         if (status != QLA_SUCCESS) {
1234                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1235                                    __func__, mbox_sts[0]));
1236         }
1237
1238         return status;
1239 }
1240
1241 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1242                       uint32_t offset, uint32_t length, uint32_t options)
1243 {
1244         uint32_t mbox_cmd[MBOX_REG_COUNT];
1245         uint32_t mbox_sts[MBOX_REG_COUNT];
1246         int status = QLA_SUCCESS;
1247
1248         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1249         memset(&mbox_sts, 0, sizeof(mbox_sts));
1250
1251         mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1252         mbox_cmd[1] = LSDW(dma_addr);
1253         mbox_cmd[2] = MSDW(dma_addr);
1254         mbox_cmd[3] = offset;
1255         mbox_cmd[4] = length;
1256         mbox_cmd[5] = options;
1257
1258         status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1259         if (status != QLA_SUCCESS) {
1260                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1261                                   "failed w/ status %04X, mbx1 %04X\n",
1262                                   __func__, mbox_sts[0], mbox_sts[1]));
1263         }
1264         return status;
1265 }
1266
1267 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1268                             struct dev_db_entry *fw_ddb_entry,
1269                             dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1270 {
1271         uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1272         uint32_t dev_db_end_offset;
1273         int status = QLA_ERROR;
1274
1275         memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1276
1277         dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1278         dev_db_end_offset = FLASH_OFFSET_DB_END;
1279
1280         if (dev_db_start_offset > dev_db_end_offset) {
1281                 DEBUG2(ql4_printk(KERN_ERR, ha,
1282                                   "%s:Invalid DDB index %d", __func__,
1283                                   ddb_index));
1284                 goto exit_bootdb_failed;
1285         }
1286
1287         if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1288                               sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1289                 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1290                            "failed\n", ha->host_no, __func__);
1291                 goto exit_bootdb_failed;
1292         }
1293
1294         if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1295                 status = QLA_SUCCESS;
1296
1297 exit_bootdb_failed:
1298         return status;
1299 }
1300
1301 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1302                      uint16_t idx)
1303 {
1304         int ret = 0;
1305         int rval = QLA_ERROR;
1306         uint32_t offset = 0;
1307         struct ql4_chap_table *chap_table;
1308         dma_addr_t chap_dma;
1309
1310         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1311         if (chap_table == NULL) {
1312                 ret = -ENOMEM;
1313                 goto exit_get_chap;
1314         }
1315
1316         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1317
1318         offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table));
1319
1320         rval = qla4xxx_get_flash(ha, chap_dma, offset,
1321                                  sizeof(struct ql4_chap_table));
1322         if (rval != QLA_SUCCESS) {
1323                 ret = -EINVAL;
1324                 goto exit_get_chap;
1325         }
1326
1327         DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1328                 __le16_to_cpu(chap_table->cookie)));
1329
1330         if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1331                 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1332                 goto exit_get_chap;
1333         }
1334
1335         strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1336         strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1337         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1338
1339 exit_get_chap:
1340         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1341         return ret;
1342 }
1343
1344 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1345                             char *password, uint16_t idx, int bidi)
1346 {
1347         int ret = 0;
1348         int rval = QLA_ERROR;
1349         uint32_t offset = 0;
1350         struct ql4_chap_table *chap_table;
1351         dma_addr_t chap_dma;
1352
1353         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1354         if (chap_table == NULL) {
1355                 ret =  -ENOMEM;
1356                 goto exit_set_chap;
1357         }
1358
1359         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1360         if (bidi)
1361                 chap_table->flags |= BIT_6; /* peer */
1362         else
1363                 chap_table->flags |= BIT_7; /* local */
1364         chap_table->secret_len = strlen(password);
1365         strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1366         strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1367         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1368         offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table));
1369         rval = qla4xxx_set_flash(ha, chap_dma, offset,
1370                                 sizeof(struct ql4_chap_table),
1371                                 FLASH_OPT_RMW_COMMIT);
1372         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1373         if (rval != QLA_SUCCESS)
1374                 ret =  -EINVAL;
1375
1376 exit_set_chap:
1377         return ret;
1378 }
1379
1380 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1381                                    uint16_t fw_ddb_index,
1382                                    uint16_t connection_id,
1383                                    uint16_t option)
1384 {
1385         uint32_t mbox_cmd[MBOX_REG_COUNT];
1386         uint32_t mbox_sts[MBOX_REG_COUNT];
1387         int status = QLA_SUCCESS;
1388
1389         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1390         memset(&mbox_sts, 0, sizeof(mbox_sts));
1391
1392         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1393         mbox_cmd[1] = fw_ddb_index;
1394         mbox_cmd[2] = connection_id;
1395         mbox_cmd[3] = option;
1396
1397         status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1398         if (status != QLA_SUCCESS) {
1399                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1400                                   "option %04x failed w/ status %04X %04X\n",
1401                                   __func__, option, mbox_sts[0], mbox_sts[1]));
1402         }
1403         return status;
1404 }
1405
1406 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1407 {
1408         uint32_t mbox_cmd[MBOX_REG_COUNT];
1409         uint32_t mbox_sts[MBOX_REG_COUNT];
1410         int status = QLA_SUCCESS;
1411
1412         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1413         memset(&mbox_sts, 0, sizeof(mbox_sts));
1414
1415         mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1416
1417         status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1418         if (status != QLA_SUCCESS) {
1419                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1420                                   "failed w/ status %04X %04X %04X", __func__,
1421                                   mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1422         }
1423         return status;
1424 }
1425
1426 int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1427                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1428 {
1429         int status = QLA_SUCCESS;
1430
1431         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1432         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1433         mbox_cmd[0] = MBOX_CMD_GET_ACB;
1434         mbox_cmd[1] = 0; /* Primary ACB */
1435         mbox_cmd[2] = LSDW(acb_dma);
1436         mbox_cmd[3] = MSDW(acb_dma);
1437         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1438
1439         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1440         if (status != QLA_SUCCESS) {
1441                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1442                                   "failed w/ status %04X\n", __func__,
1443                                   mbox_sts[0]));
1444         }
1445         return status;
1446 }
1447
1448 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1449                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1450 {
1451         int status = QLA_SUCCESS;
1452
1453         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1454         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1455         mbox_cmd[0] = MBOX_CMD_SET_ACB;
1456         mbox_cmd[1] = 0; /* Primary ACB */
1457         mbox_cmd[2] = LSDW(acb_dma);
1458         mbox_cmd[3] = MSDW(acb_dma);
1459         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1460
1461         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1462         if (status != QLA_SUCCESS) {
1463                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1464                                   "failed w/ status %04X\n", __func__,
1465                                   mbox_sts[0]));
1466         }
1467         return status;
1468 }
1469
1470 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1471                                struct ddb_entry *ddb_entry,
1472                                struct iscsi_cls_conn *cls_conn,
1473                                uint32_t *mbx_sts)
1474 {
1475         struct dev_db_entry *fw_ddb_entry;
1476         struct iscsi_conn *conn;
1477         struct iscsi_session *sess;
1478         struct qla_conn *qla_conn;
1479         struct sockaddr *dst_addr;
1480         dma_addr_t fw_ddb_entry_dma;
1481         int status = QLA_SUCCESS;
1482         int rval = 0;
1483         struct sockaddr_in *addr;
1484         struct sockaddr_in6 *addr6;
1485         char *ip;
1486         uint16_t iscsi_opts = 0;
1487         uint32_t options = 0;
1488         uint16_t idx;
1489         int max_chap_entries = 0;
1490
1491         fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1492                                           &fw_ddb_entry_dma, GFP_KERNEL);
1493         if (!fw_ddb_entry) {
1494                 DEBUG2(ql4_printk(KERN_ERR, ha,
1495                                   "%s: Unable to allocate dma buffer.\n",
1496                                   __func__));
1497                 rval = -ENOMEM;
1498                 goto exit_set_param_no_free;
1499         }
1500
1501         conn = cls_conn->dd_data;
1502         qla_conn = conn->dd_data;
1503         sess = conn->session;
1504         dst_addr = &qla_conn->qla_ep->dst_addr;
1505
1506         if (dst_addr->sa_family == AF_INET6)
1507                 options |= IPV6_DEFAULT_DDB_ENTRY;
1508
1509         status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1510         if (status == QLA_ERROR) {
1511                 rval = -EINVAL;
1512                 goto exit_set_param;
1513         }
1514
1515         iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1516         memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1517
1518         memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1519
1520         if (sess->targetname != NULL) {
1521                 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1522                        min(strlen(sess->targetname),
1523                        sizeof(fw_ddb_entry->iscsi_name)));
1524         }
1525
1526         memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1527         memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1528
1529         fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1530
1531         if (dst_addr->sa_family == AF_INET) {
1532                 addr = (struct sockaddr_in *)dst_addr;
1533                 ip = (char *)&addr->sin_addr;
1534                 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1535                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1536                 DEBUG2(ql4_printk(KERN_INFO, ha,
1537                                   "%s: Destination Address [%pI4]: index [%d]\n",
1538                                    __func__, fw_ddb_entry->ip_addr,
1539                                   ddb_entry->fw_ddb_index));
1540         } else if (dst_addr->sa_family == AF_INET6) {
1541                 addr6 = (struct sockaddr_in6 *)dst_addr;
1542                 ip = (char *)&addr6->sin6_addr;
1543                 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1544                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1545                 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1546                 DEBUG2(ql4_printk(KERN_INFO, ha,
1547                                   "%s: Destination Address [%pI6]: index [%d]\n",
1548                                    __func__, fw_ddb_entry->ip_addr,
1549                                   ddb_entry->fw_ddb_index));
1550         } else {
1551                 ql4_printk(KERN_ERR, ha,
1552                            "%s: Failed to get IP Address\n",
1553                            __func__);
1554                 rval = -EINVAL;
1555                 goto exit_set_param;
1556         }
1557
1558         if (is_qla8022(ha))
1559                 max_chap_entries = MAX_CHAP_ENTRIES_82XX;
1560         else
1561                 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1562         /* CHAP */
1563         if (sess->username != NULL && sess->password != NULL) {
1564                 if (strlen(sess->username) && strlen(sess->password)) {
1565                         iscsi_opts |= BIT_7;
1566                         idx = ddb_entry->fw_ddb_index * 2;
1567                         if (idx > max_chap_entries) {
1568                                 ql4_printk(KERN_ERR, ha,
1569                                            "%s: Invalid ddb or chap index\n",
1570                                            __func__);
1571                                 rval  = -EINVAL;
1572                                 goto exit_set_param;
1573                         }
1574
1575                         rval = qla4xxx_set_chap(ha, sess->username,
1576                                                 sess->password, idx, 0);
1577                         if (rval)
1578                                 goto exit_set_param;
1579
1580                         fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1581                 }
1582         }
1583
1584         if (sess->username_in != NULL && sess->password_in != NULL) {
1585                 /* Check if BIDI CHAP */
1586                 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1587                         iscsi_opts |= BIT_4;
1588                         idx = (ddb_entry->fw_ddb_index * 2) + 1;
1589                         if (idx > max_chap_entries) {
1590                                 ql4_printk(KERN_ERR, ha,
1591                                            "%s: Invalid ddb or bidi chap "
1592                                            "index\n", __func__);
1593                                 rval  = -EINVAL;
1594                                 goto exit_set_param;
1595                         }
1596                         rval = qla4xxx_set_chap(ha, sess->username_in,
1597                                                 sess->password_in, idx, 0);
1598                         if (rval)
1599                                 goto exit_set_param;
1600                 }
1601         }
1602
1603         if (sess->initial_r2t_en)
1604                 iscsi_opts |= BIT_10;
1605
1606         if (sess->imm_data_en)
1607                 iscsi_opts |= BIT_11;
1608
1609         fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1610
1611         if (conn->max_recv_dlength)
1612                 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1613                   __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1614
1615         if (sess->max_r2t)
1616                 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1617
1618         if (sess->first_burst)
1619                 fw_ddb_entry->iscsi_first_burst_len =
1620                        __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1621
1622         if (sess->max_burst)
1623                 fw_ddb_entry->iscsi_max_burst_len =
1624                         __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1625
1626         if (sess->time2wait)
1627                 fw_ddb_entry->iscsi_def_time2wait =
1628                         cpu_to_le16(sess->time2wait);
1629
1630         if (sess->time2retain)
1631                 fw_ddb_entry->iscsi_def_time2retain =
1632                         cpu_to_le16(sess->time2retain);
1633
1634         status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1635                                        fw_ddb_entry_dma, mbx_sts);
1636
1637         if (status != QLA_SUCCESS)
1638                 rval = -EINVAL;
1639 exit_set_param:
1640         dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1641                           fw_ddb_entry, fw_ddb_entry_dma);
1642 exit_set_param_no_free:
1643         return rval;
1644 }
1645
1646 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1647                           uint16_t stats_size, dma_addr_t stats_dma)
1648 {
1649         int status = QLA_SUCCESS;
1650         uint32_t mbox_cmd[MBOX_REG_COUNT];
1651         uint32_t mbox_sts[MBOX_REG_COUNT];
1652
1653         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1654         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1655         mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1656         mbox_cmd[1] = fw_ddb_index;
1657         mbox_cmd[2] = LSDW(stats_dma);
1658         mbox_cmd[3] = MSDW(stats_dma);
1659         mbox_cmd[4] = stats_size;
1660
1661         status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1662         if (status != QLA_SUCCESS) {
1663                 DEBUG2(ql4_printk(KERN_WARNING, ha,
1664                                   "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1665                                   "failed w/ status %04X\n", __func__,
1666                                   mbox_sts[0]));
1667         }
1668         return status;
1669 }
1670
1671 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1672                          uint32_t ip_idx, uint32_t *sts)
1673 {
1674         uint32_t mbox_cmd[MBOX_REG_COUNT];
1675         uint32_t mbox_sts[MBOX_REG_COUNT];
1676         int status = QLA_SUCCESS;
1677
1678         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1679         memset(&mbox_sts, 0, sizeof(mbox_sts));
1680         mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1681         mbox_cmd[1] = acb_idx;
1682         mbox_cmd[2] = ip_idx;
1683
1684         status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1685         if (status != QLA_SUCCESS) {
1686                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
1687                                   "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1688                                   "status %04X\n", __func__, mbox_sts[0]));
1689         }
1690         memcpy(sts, mbox_sts, sizeof(mbox_sts));
1691         return status;
1692 }
1693
1694 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1695                       uint32_t offset, uint32_t size)
1696 {
1697         int status = QLA_SUCCESS;
1698         uint32_t mbox_cmd[MBOX_REG_COUNT];
1699         uint32_t mbox_sts[MBOX_REG_COUNT];
1700
1701         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1702         memset(&mbox_sts, 0, sizeof(mbox_sts));
1703
1704         mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1705         mbox_cmd[1] = LSDW(nvram_dma);
1706         mbox_cmd[2] = MSDW(nvram_dma);
1707         mbox_cmd[3] = offset;
1708         mbox_cmd[4] = size;
1709
1710         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1711                                          &mbox_sts[0]);
1712         if (status != QLA_SUCCESS) {
1713                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1714                                   "status %04X\n", ha->host_no, __func__,
1715                                   mbox_sts[0]));
1716         }
1717         return status;
1718 }
1719
1720 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1721                       uint32_t offset, uint32_t size)
1722 {
1723         int status = QLA_SUCCESS;
1724         uint32_t mbox_cmd[MBOX_REG_COUNT];
1725         uint32_t mbox_sts[MBOX_REG_COUNT];
1726
1727         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1728         memset(&mbox_sts, 0, sizeof(mbox_sts));
1729
1730         mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1731         mbox_cmd[1] = LSDW(nvram_dma);
1732         mbox_cmd[2] = MSDW(nvram_dma);
1733         mbox_cmd[3] = offset;
1734         mbox_cmd[4] = size;
1735
1736         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1737                                          &mbox_sts[0]);
1738         if (status != QLA_SUCCESS) {
1739                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1740                                   "status %04X\n", ha->host_no, __func__,
1741                                   mbox_sts[0]));
1742         }
1743         return status;
1744 }