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         ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
 339
 340         if (ha->acb_version == ACB_SUPPORTED) {
 341                 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
 342                 ha->ip_config.ipv6_addl_options =
 343                                 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
 344         }
 345
 346         /* Save IPv4 Address Info */
 347         memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
 348                min(sizeof(ha->ip_config.ip_address),
 349                    sizeof(init_fw_cb->ipv4_addr)));
 350         memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
 351                min(sizeof(ha->ip_config.subnet_mask),
 352                    sizeof(init_fw_cb->ipv4_subnet)));
 353         memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
 354                min(sizeof(ha->ip_config.gateway),
 355                    sizeof(init_fw_cb->ipv4_gw_addr)));
 356
 357         ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 358
 359         if (is_ipv6_enabled(ha)) {
 360                 /* Save IPv6 Address */
 361                 ha->ip_config.ipv6_link_local_state =
 362                         le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
 363                 ha->ip_config.ipv6_addr0_state =
 364                                 le16_to_cpu(init_fw_cb->ipv6_addr0_state);
 365                 ha->ip_config.ipv6_addr1_state =
 366                                 le16_to_cpu(init_fw_cb->ipv6_addr1_state);
 367                 ha->ip_config.ipv6_default_router_state =
 368                                 le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
 369                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
 370                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
 371
 372                 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
 373                        init_fw_cb->ipv6_if_id,
 374                        min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
 375                            sizeof(init_fw_cb->ipv6_if_id)));
 376                 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
 377                        min(sizeof(ha->ip_config.ipv6_addr0),
 378                            sizeof(init_fw_cb->ipv6_addr0)));
 379                 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
 380                        min(sizeof(ha->ip_config.ipv6_addr1),
 381                            sizeof(init_fw_cb->ipv6_addr1)));
 382                 memcpy(&ha->ip_config.ipv6_default_router_addr,
 383                        init_fw_cb->ipv6_dflt_rtr_addr,
 384                        min(sizeof(ha->ip_config.ipv6_default_router_addr),
 385                            sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
 386                 ha->ip_config.ipv6_vlan_tag =
 387                                 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
 388                 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
 389         }
 390 }
 391
 392 uint8_t
 393 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 394                           uint32_t *mbox_cmd,
 395                           uint32_t *mbox_sts,
 396                           struct addr_ctrl_blk  *init_fw_cb,
 397                           dma_addr_t init_fw_cb_dma)
 398 {
 399         if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
 400             != QLA_SUCCESS) {
 401                 DEBUG2(printk(KERN_WARNING
 402                               "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 403                               ha->host_no, __func__));
 404                 return QLA_ERROR;
 405         }
 406
 407         DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
 408
 409         /* Save some info in adapter structure. */
 410         ha->acb_version = init_fw_cb->acb_version;
 411         ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
 412         ha->heartbeat_interval = init_fw_cb->hb_interval;
 413         memcpy(ha->name_string, init_fw_cb->iscsi_name,
 414                 min(sizeof(ha->name_string),
 415                 sizeof(init_fw_cb->iscsi_name)));
 416         /*memcpy(ha->alias, init_fw_cb->Alias,
 417                min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 418
 419         qla4xxx_update_local_ip(ha, init_fw_cb);
 420
 421         return QLA_SUCCESS;
 422 }
 423
 424 /**
 425  * qla4xxx_initialize_fw_cb - initializes firmware control block.
 426  * @ha: Pointer to host adapter structure.
 427  **/
 428 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 429 {
 430         struct addr_ctrl_blk *init_fw_cb;
 431         dma_addr_t init_fw_cb_dma;
 432         uint32_t mbox_cmd[MBOX_REG_COUNT];
 433         uint32_t mbox_sts[MBOX_REG_COUNT];
 434         int status = QLA_ERROR;
 435
 436         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 437                                         sizeof(struct addr_ctrl_blk),
 438                                         &init_fw_cb_dma, GFP_KERNEL);
 439         if (init_fw_cb == NULL) {
 440                 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
 441                               ha->host_no, __func__));
 442                 goto exit_init_fw_cb_no_free;
 443         }
 444         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 445
 446         /* Get Initialize Firmware Control Block. */
 447         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 448         memset(&mbox_sts, 0, sizeof(mbox_sts));
 449
 450         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 451             QLA_SUCCESS) {
 452                 dma_free_coherent(&ha->pdev->dev,
 453                                   sizeof(struct addr_ctrl_blk),
 454                                   init_fw_cb, init_fw_cb_dma);
 455                 goto exit_init_fw_cb;
 456         }
 457
 458         /* Initialize request and response queues. */
 459         qla4xxx_init_rings(ha);
 460
 461         /* Fill in the request and response queue information. */
 462         init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
 463         init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
 464         init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
 465         init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
 466         init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
 467         init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
 468         init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
 469         init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
 470         init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
 471         init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
 472
 473         /* Set up required options. */
 474         init_fw_cb->fw_options |=
 475                 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
 476                                        FWOPT_INITIATOR_MODE);
 477
 478         if (is_qla8022(ha))
 479                 init_fw_cb->fw_options |=
 480                     __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
 481
 482         init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 483
 484         init_fw_cb->add_fw_options = 0;
 485         init_fw_cb->add_fw_options |=
 486                         __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
 487         init_fw_cb->add_fw_options |=
 488                         __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
 489
 490         if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
 491                 != QLA_SUCCESS) {
 492                 DEBUG2(printk(KERN_WARNING
 493                               "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
 494                               ha->host_no, __func__));
 495                 goto exit_init_fw_cb;
 496         }
 497
 498         if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
 499                 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
 500                 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
 501                                 ha->host_no, __func__));
 502                 goto exit_init_fw_cb;
 503         }
 504         status = QLA_SUCCESS;
 505
 506 exit_init_fw_cb:
 507         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 508                                 init_fw_cb, init_fw_cb_dma);
 509 exit_init_fw_cb_no_free:
 510         return status;
 511 }
 512
 513 /**
 514  * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
 515  * @ha: Pointer to host adapter structure.
 516  **/
 517 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 518 {
 519         struct addr_ctrl_blk *init_fw_cb;
 520         dma_addr_t init_fw_cb_dma;
 521         uint32_t mbox_cmd[MBOX_REG_COUNT];
 522         uint32_t mbox_sts[MBOX_REG_COUNT];
 523
 524         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 525                                         sizeof(struct addr_ctrl_blk),
 526                                         &init_fw_cb_dma, GFP_KERNEL);
 527         if (init_fw_cb == NULL) {
 528                 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
 529                        __func__);
 530                 return QLA_ERROR;
 531         }
 532
 533         /* Get Initialize Firmware Control Block. */
 534         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 535         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 536             QLA_SUCCESS) {
 537                 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 538                               ha->host_no, __func__));
 539                 dma_free_coherent(&ha->pdev->dev,
 540                                   sizeof(struct addr_ctrl_blk),
 541                                   init_fw_cb, init_fw_cb_dma);
 542                 return QLA_ERROR;
 543         }
 544
 545         /* Save IP Address. */
 546         qla4xxx_update_local_ip(ha, init_fw_cb);
 547         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 548                                 init_fw_cb, init_fw_cb_dma);
 549
 550         return QLA_SUCCESS;
 551 }
 552
 553 /**
 554  * qla4xxx_get_firmware_state - gets firmware state of HBA
 555  * @ha: Pointer to host adapter structure.
 556  **/
 557 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
 558 {
 559         uint32_t mbox_cmd[MBOX_REG_COUNT];
 560         uint32_t mbox_sts[MBOX_REG_COUNT];
 561
 562         /* Get firmware version */
 563         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 564         memset(&mbox_sts, 0, sizeof(mbox_sts));
 565
 566         mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
 567
 568         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
 569             QLA_SUCCESS) {
 570                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
 571                               "status %04X\n", ha->host_no, __func__,
 572                               mbox_sts[0]));
 573                 return QLA_ERROR;
 574         }
 575         ha->firmware_state = mbox_sts[1];
 576         ha->board_id = mbox_sts[2];
 577         ha->addl_fw_state = mbox_sts[3];
 578         DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
 579                       ha->host_no, __func__, ha->firmware_state);)
 580
 581         return QLA_SUCCESS;
 582 }
 583
 584 /**
 585  * qla4xxx_get_firmware_status - retrieves firmware status
 586  * @ha: Pointer to host adapter structure.
 587  **/
 588 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
 589 {
 590         uint32_t mbox_cmd[MBOX_REG_COUNT];
 591         uint32_t mbox_sts[MBOX_REG_COUNT];
 592
 593         /* Get firmware version */
 594         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 595         memset(&mbox_sts, 0, sizeof(mbox_sts));
 596
 597         mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
 598
 599         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
 600             QLA_SUCCESS) {
 601                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
 602                               "status %04X\n", ha->host_no, __func__,
 603                               mbox_sts[0]));
 604                 return QLA_ERROR;
 605         }
 606
 607         ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n",
 608             ha->host_no, mbox_sts[2]);
 609
 610         return QLA_SUCCESS;
 611 }
 612
 613 /**
 614  * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
 615  * @ha: Pointer to host adapter structure.
 616  * @fw_ddb_index: Firmware's device database index
 617  * @fw_ddb_entry: Pointer to firmware's device database entry structure
 618  * @num_valid_ddb_entries: Pointer to number of valid ddb entries
 619  * @next_ddb_index: Pointer to next valid device database index
 620  * @fw_ddb_device_state: Pointer to device state
 621  **/
 622 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 623                             uint16_t fw_ddb_index,
 624                             struct dev_db_entry *fw_ddb_entry,
 625                             dma_addr_t fw_ddb_entry_dma,
 626                             uint32_t *num_valid_ddb_entries,
 627                             uint32_t *next_ddb_index,
 628                             uint32_t *fw_ddb_device_state,
 629                             uint32_t *conn_err_detail,
 630                             uint16_t *tcp_source_port_num,
 631                             uint16_t *connection_id)
 632 {
 633         int status = QLA_ERROR;
 634         uint16_t options;
 635         uint32_t mbox_cmd[MBOX_REG_COUNT];
 636         uint32_t mbox_sts[MBOX_REG_COUNT];
 637
 638         /* Make sure the device index is valid */
 639         if (fw_ddb_index >= MAX_DDB_ENTRIES) {
 640                 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
 641                               ha->host_no, __func__, fw_ddb_index));
 642                 goto exit_get_fwddb;
 643         }
 644         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 645         memset(&mbox_sts, 0, sizeof(mbox_sts));
 646
 647         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
 648         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 649         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 650         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 651         mbox_cmd[4] = sizeof(struct dev_db_entry);
 652
 653         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
 654             QLA_ERROR) {
 655                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
 656                               " with status 0x%04X\n", ha->host_no, __func__,
 657                               mbox_sts[0]));
 658                 goto exit_get_fwddb;
 659         }
 660         if (fw_ddb_index != mbox_sts[1]) {
 661                 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
 662                               ha->host_no, __func__, fw_ddb_index,
 663                               mbox_sts[1]));
 664                 goto exit_get_fwddb;
 665         }
 666         if (fw_ddb_entry) {
 667                 options = le16_to_cpu(fw_ddb_entry->options);
 668                 if (options & DDB_OPT_IPV6_DEVICE) {
 669                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 670                                 "Next %d State %04x ConnErr %08x %pI6 "
 671                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 672                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 673                                 mbox_sts[4], mbox_sts[5],
 674                                 fw_ddb_entry->ip_addr,
 675                                 le16_to_cpu(fw_ddb_entry->port),
 676                                 fw_ddb_entry->iscsi_name);
 677                 } else {
 678                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 679                                 "Next %d State %04x ConnErr %08x %pI4 "
 680                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 681                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 682                                 mbox_sts[4], mbox_sts[5],
 683                                 fw_ddb_entry->ip_addr,
 684                                 le16_to_cpu(fw_ddb_entry->port),
 685                                 fw_ddb_entry->iscsi_name);
 686                 }
 687         }
 688         if (num_valid_ddb_entries)
 689                 *num_valid_ddb_entries = mbox_sts[2];
 690         if (next_ddb_index)
 691                 *next_ddb_index = mbox_sts[3];
 692         if (fw_ddb_device_state)
 693                 *fw_ddb_device_state = mbox_sts[4];
 694
 695         /*
 696          * RA: This mailbox has been changed to pass connection error and
 697          * details.  Its true for ISP4010 as per Version E - Not sure when it
 698          * was changed.  Get the time2wait from the fw_dd_entry field :
 699          * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
 700          * struct.
 701          */
 702         if (conn_err_detail)
 703                 *conn_err_detail = mbox_sts[5];
 704         if (tcp_source_port_num)
 705                 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 706         if (connection_id)
 707                 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 708         status = QLA_SUCCESS;
 709
 710 exit_get_fwddb:
 711         return status;
 712 }
 713
 714 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
 715 {
 716         uint32_t mbox_cmd[MBOX_REG_COUNT];
 717         uint32_t mbox_sts[MBOX_REG_COUNT];
 718         int status;
 719
 720         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 721         memset(&mbox_sts, 0, sizeof(mbox_sts));
 722
 723         mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
 724         mbox_cmd[1] = fw_ddb_index;
 725
 726         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 727                                          &mbox_sts[0]);
 728         DEBUG2(ql4_printk(KERN_INFO, ha,
 729                           "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
 730                           __func__, status, mbox_sts[0], mbox_sts[1]));
 731         return status;
 732 }
 733
 734 /**
 735  * qla4xxx_set_fwddb_entry - sets a ddb entry.
 736  * @ha: Pointer to host adapter structure.
 737  * @fw_ddb_index: Firmware's device database index
 738  * @fw_ddb_entry_dma: dma address of ddb entry
 739  * @mbx_sts: mailbox 0 to be returned or NULL
 740  *
 741  * This routine initializes or updates the adapter's device database
 742  * entry for the specified device.
 743  **/
 744 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 745                           dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 746 {
 747         uint32_t mbox_cmd[MBOX_REG_COUNT];
 748         uint32_t mbox_sts[MBOX_REG_COUNT];
 749         int status;
 750
 751         /* Do not wait for completion. The firmware will send us an
 752          * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
 753          */
 754         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 755         memset(&mbox_sts, 0, sizeof(mbox_sts));
 756
 757         mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
 758         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 759         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 760         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 761         mbox_cmd[4] = sizeof(struct dev_db_entry);
 762
 763         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 764                                          &mbox_sts[0]);
 765         if (mbx_sts)
 766                 *mbx_sts = mbox_sts[0];
 767         DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 768             ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 769
 770         return status;
 771 }
 772
 773 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
 774                                struct ddb_entry *ddb_entry, int options)
 775 {
 776         int status;
 777         uint32_t mbox_cmd[MBOX_REG_COUNT];
 778         uint32_t mbox_sts[MBOX_REG_COUNT];
 779
 780         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 781         memset(&mbox_sts, 0, sizeof(mbox_sts));
 782
 783         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
 784         mbox_cmd[1] = ddb_entry->fw_ddb_index;
 785         mbox_cmd[3] = options;
 786
 787         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 788                                          &mbox_sts[0]);
 789         if (status != QLA_SUCCESS) {
 790                 DEBUG2(ql4_printk(KERN_INFO, ha,
 791                                   "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
 792                                   "failed sts %04X %04X", __func__,
 793                                   mbox_sts[0], mbox_sts[1]));
 794         }
 795
 796         return status;
 797 }
 798
 799 /**
 800  * qla4xxx_get_crash_record - retrieves crash record.
 801  * @ha: Pointer to host adapter structure.
 802  *
 803  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
 804  **/
 805 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
 806 {
 807         uint32_t mbox_cmd[MBOX_REG_COUNT];
 808         uint32_t mbox_sts[MBOX_REG_COUNT];
 809         struct crash_record *crash_record = NULL;
 810         dma_addr_t crash_record_dma = 0;
 811         uint32_t crash_record_size = 0;
 812
 813         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 814         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 815
 816         /* Get size of crash record. */
 817         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 818
 819         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 820             QLA_SUCCESS) {
 821                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
 822                               ha->host_no, __func__));
 823                 goto exit_get_crash_record;
 824         }
 825         crash_record_size = mbox_sts[4];
 826         if (crash_record_size == 0) {
 827                 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
 828                               ha->host_no, __func__));
 829                 goto exit_get_crash_record;
 830         }
 831
 832         /* Alloc Memory for Crash Record. */
 833         crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
 834                                           &crash_record_dma, GFP_KERNEL);
 835         if (crash_record == NULL)
 836                 goto exit_get_crash_record;
 837
 838         /* Get Crash Record. */
 839         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 840         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 841
 842         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 843         mbox_cmd[2] = LSDW(crash_record_dma);
 844         mbox_cmd[3] = MSDW(crash_record_dma);
 845         mbox_cmd[4] = crash_record_size;
 846
 847         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 848             QLA_SUCCESS)
 849                 goto exit_get_crash_record;
 850
 851         /* Dump Crash Record. */
 852
 853 exit_get_crash_record:
 854         if (crash_record)
 855                 dma_free_coherent(&ha->pdev->dev, crash_record_size,
 856                                   crash_record, crash_record_dma);
 857 }
 858
 859 /**
 860  * qla4xxx_get_conn_event_log - retrieves connection event log
 861  * @ha: Pointer to host adapter structure.
 862  **/
 863 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 864 {
 865         uint32_t mbox_cmd[MBOX_REG_COUNT];
 866         uint32_t mbox_sts[MBOX_REG_COUNT];
 867         struct conn_event_log_entry *event_log = NULL;
 868         dma_addr_t event_log_dma = 0;
 869         uint32_t event_log_size = 0;
 870         uint32_t num_valid_entries;
 871         uint32_t      oldest_entry = 0;
 872         uint32_t        max_event_log_entries;
 873         uint8_t         i;
 874
 875         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 876         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 877
 878         /* Get size of crash record. */
 879         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 880
 881         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 882             QLA_SUCCESS)
 883                 goto exit_get_event_log;
 884
 885         event_log_size = mbox_sts[4];
 886         if (event_log_size == 0)
 887                 goto exit_get_event_log;
 888
 889         /* Alloc Memory for Crash Record. */
 890         event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
 891                                        &event_log_dma, GFP_KERNEL);
 892         if (event_log == NULL)
 893                 goto exit_get_event_log;
 894
 895         /* Get Crash Record. */
 896         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 897         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 898
 899         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 900         mbox_cmd[2] = LSDW(event_log_dma);
 901         mbox_cmd[3] = MSDW(event_log_dma);
 902
 903         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 904             QLA_SUCCESS) {
 905                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
 906                               "log!\n", ha->host_no, __func__));
 907                 goto exit_get_event_log;
 908         }
 909
 910         /* Dump Event Log. */
 911         num_valid_entries = mbox_sts[1];
 912
 913         max_event_log_entries = event_log_size /
 914                 sizeof(struct conn_event_log_entry);
 915
 916         if (num_valid_entries > max_event_log_entries)
 917                 oldest_entry = num_valid_entries % max_event_log_entries;
 918
 919         DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 920                       ha->host_no, num_valid_entries));
 921
 922         if (ql4xextended_error_logging == 3) {
 923                 if (oldest_entry == 0) {
 924                         /* Circular Buffer has not wrapped around */
 925                         for (i=0; i < num_valid_entries; i++) {
 926                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 927                                                     (i*sizeof(*event_log)),
 928                                                     sizeof(*event_log));
 929                         }
 930                 }
 931                 else {
 932                         /* Circular Buffer has wrapped around -
 933                          * display accordingly*/
 934                         for (i=oldest_entry; i < max_event_log_entries; i++) {
 935                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 936                                                     (i*sizeof(*event_log)),
 937                                                     sizeof(*event_log));
 938                         }
 939                         for (i=0; i < oldest_entry; i++) {
 940                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 941                                                     (i*sizeof(*event_log)),
 942                                                     sizeof(*event_log));
 943                         }
 944                 }
 945         }
 946
 947 exit_get_event_log:
 948         if (event_log)
 949                 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
 950                                   event_log_dma);
 951 }
 952
 953 /**
 954  * qla4xxx_abort_task - issues Abort Task
 955  * @ha: Pointer to host adapter structure.
 956  * @srb: Pointer to srb entry
 957  *
 958  * This routine performs a LUN RESET on the specified target/lun.
 959  * The caller must ensure that the ddb_entry and lun_entry pointers
 960  * are valid before calling this routine.
 961  **/
 962 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
 963 {
 964         uint32_t mbox_cmd[MBOX_REG_COUNT];
 965         uint32_t mbox_sts[MBOX_REG_COUNT];
 966         struct scsi_cmnd *cmd = srb->cmd;
 967         int status = QLA_SUCCESS;
 968         unsigned long flags = 0;
 969         uint32_t index;
 970
 971         /*
 972          * Send abort task command to ISP, so that the ISP will return
 973          * request with ABORT status
 974          */
 975         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 976         memset(&mbox_sts, 0, sizeof(mbox_sts));
 977
 978         spin_lock_irqsave(&ha->hardware_lock, flags);
 979         index = (unsigned long)(unsigned char *)cmd->host_scribble;
 980         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 981
 982         /* Firmware already posted completion on response queue */
 983         if (index == MAX_SRBS)
 984                 return status;
 985
 986         mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
 987         mbox_cmd[1] = srb->ddb->fw_ddb_index;
 988         mbox_cmd[2] = index;
 989         /* Immediate Command Enable */
 990         mbox_cmd[5] = 0x01;
 991
 992         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 993             &mbox_sts[0]);
 994         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
 995                 status = QLA_ERROR;
 996
 997                 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
 998                     "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
 999                     ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1000                     mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1001         }
1002
1003         return status;
1004 }
1005
1006 /**
1007  * qla4xxx_reset_lun - issues LUN Reset
1008  * @ha: Pointer to host adapter structure.
1009  * @ddb_entry: Pointer to device database entry
1010  * @lun: lun number
1011  *
1012  * This routine performs a LUN RESET on the specified target/lun.
1013  * The caller must ensure that the ddb_entry and lun_entry pointers
1014  * are valid before calling this routine.
1015  **/
1016 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1017                       int lun)
1018 {
1019         uint32_t mbox_cmd[MBOX_REG_COUNT];
1020         uint32_t mbox_sts[MBOX_REG_COUNT];
1021         int status = QLA_SUCCESS;
1022
1023         DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1024                       ddb_entry->fw_ddb_index, lun));
1025
1026         /*
1027          * Send lun reset command to ISP, so that the ISP will return all
1028          * outstanding requests with RESET status
1029          */
1030         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1031         memset(&mbox_sts, 0, sizeof(mbox_sts));
1032
1033         mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1034         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1035         mbox_cmd[2] = lun << 8;
1036         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1037
1038         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1039         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1040             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1041                 status = QLA_ERROR;
1042
1043         return status;
1044 }
1045
1046 /**
1047  * qla4xxx_reset_target - issues target Reset
1048  * @ha: Pointer to host adapter structure.
1049  * @db_entry: Pointer to device database entry
1050  * @un_entry: Pointer to lun entry structure
1051  *
1052  * This routine performs a TARGET RESET on the specified target.
1053  * The caller must ensure that the ddb_entry pointers
1054  * are valid before calling this routine.
1055  **/
1056 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1057                          struct ddb_entry *ddb_entry)
1058 {
1059         uint32_t mbox_cmd[MBOX_REG_COUNT];
1060         uint32_t mbox_sts[MBOX_REG_COUNT];
1061         int status = QLA_SUCCESS;
1062
1063         DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1064                       ddb_entry->fw_ddb_index));
1065
1066         /*
1067          * Send target reset command to ISP, so that the ISP will return all
1068          * outstanding requests with RESET status
1069          */
1070         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1071         memset(&mbox_sts, 0, sizeof(mbox_sts));
1072
1073         mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1074         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1075         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1076
1077         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1078                                 &mbox_sts[0]);
1079         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1080             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1081                 status = QLA_ERROR;
1082
1083         return status;
1084 }
1085
1086 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1087                       uint32_t offset, uint32_t len)
1088 {
1089         uint32_t mbox_cmd[MBOX_REG_COUNT];
1090         uint32_t mbox_sts[MBOX_REG_COUNT];
1091
1092         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1093         memset(&mbox_sts, 0, sizeof(mbox_sts));
1094
1095         mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1096         mbox_cmd[1] = LSDW(dma_addr);
1097         mbox_cmd[2] = MSDW(dma_addr);
1098         mbox_cmd[3] = offset;
1099         mbox_cmd[4] = len;
1100
1101         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1102             QLA_SUCCESS) {
1103                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1104                     "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1105                     __func__, mbox_sts[0], mbox_sts[1], offset, len));
1106                 return QLA_ERROR;
1107         }
1108         return QLA_SUCCESS;
1109 }
1110
1111 /**
1112  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1113  * @ha: Pointer to host adapter structure.
1114  *
1115  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1116  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1117  * those mailboxes, if unused.
1118  **/
1119 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1120 {
1121         struct about_fw_info *about_fw = NULL;
1122         dma_addr_t about_fw_dma;
1123         uint32_t mbox_cmd[MBOX_REG_COUNT];
1124         uint32_t mbox_sts[MBOX_REG_COUNT];
1125         int status = QLA_ERROR;
1126
1127         about_fw = dma_alloc_coherent(&ha->pdev->dev,
1128                                       sizeof(struct about_fw_info),
1129                                       &about_fw_dma, GFP_KERNEL);
1130         if (!about_fw) {
1131                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1132                                   "for about_fw\n", __func__));
1133                 return status;
1134         }
1135
1136         memset(about_fw, 0, sizeof(struct about_fw_info));
1137         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1138         memset(&mbox_sts, 0, sizeof(mbox_sts));
1139
1140         mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1141         mbox_cmd[2] = LSDW(about_fw_dma);
1142         mbox_cmd[3] = MSDW(about_fw_dma);
1143         mbox_cmd[4] = sizeof(struct about_fw_info);
1144
1145         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1146                                          &mbox_cmd[0], &mbox_sts[0]);
1147         if (status != QLA_SUCCESS) {
1148                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1149                                   "failed w/ status %04X\n", __func__,
1150                                   mbox_sts[0]));
1151                 goto exit_about_fw;
1152         }
1153
1154         /* Save version information. */
1155         ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1156         ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1157         ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1158         ha->build_number = le16_to_cpu(about_fw->fw_build);
1159         ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1160         ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1161         ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1162         ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1163         ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1164         ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1165         status = QLA_SUCCESS;
1166
1167 exit_about_fw:
1168         dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1169                           about_fw, about_fw_dma);
1170         return status;
1171 }
1172
1173 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1174                                    dma_addr_t dma_addr)
1175 {
1176         uint32_t mbox_cmd[MBOX_REG_COUNT];
1177         uint32_t mbox_sts[MBOX_REG_COUNT];
1178
1179         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1180         memset(&mbox_sts, 0, sizeof(mbox_sts));
1181
1182         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1183         mbox_cmd[1] = options;
1184         mbox_cmd[2] = LSDW(dma_addr);
1185         mbox_cmd[3] = MSDW(dma_addr);
1186
1187         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1188             QLA_SUCCESS) {
1189                 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1190                      ha->host_no, __func__, mbox_sts[0]));
1191                 return QLA_ERROR;
1192         }
1193         return QLA_SUCCESS;
1194 }
1195
1196 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1197                           uint32_t *mbx_sts)
1198 {
1199         int status;
1200         uint32_t mbox_cmd[MBOX_REG_COUNT];
1201         uint32_t mbox_sts[MBOX_REG_COUNT];
1202
1203         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1204         memset(&mbox_sts, 0, sizeof(mbox_sts));
1205
1206         mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1207         mbox_cmd[1] = ddb_index;
1208
1209         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1210                                          &mbox_sts[0]);
1211         if (status != QLA_SUCCESS) {
1212                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1213                                    __func__, mbox_sts[0]));
1214         }
1215
1216         *mbx_sts = mbox_sts[0];
1217         return status;
1218 }
1219
1220 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1221 {
1222         int status;
1223         uint32_t mbox_cmd[MBOX_REG_COUNT];
1224         uint32_t mbox_sts[MBOX_REG_COUNT];
1225
1226         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1227         memset(&mbox_sts, 0, sizeof(mbox_sts));
1228
1229         mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1230         mbox_cmd[1] = ddb_index;
1231
1232         status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1233                                          &mbox_sts[0]);
1234         if (status != QLA_SUCCESS) {
1235                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1236                                    __func__, mbox_sts[0]));
1237         }
1238
1239         return status;
1240 }
1241
1242 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1243                       uint32_t offset, uint32_t length, uint32_t options)
1244 {
1245         uint32_t mbox_cmd[MBOX_REG_COUNT];
1246         uint32_t mbox_sts[MBOX_REG_COUNT];
1247         int status = QLA_SUCCESS;
1248
1249         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1250         memset(&mbox_sts, 0, sizeof(mbox_sts));
1251
1252         mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1253         mbox_cmd[1] = LSDW(dma_addr);
1254         mbox_cmd[2] = MSDW(dma_addr);
1255         mbox_cmd[3] = offset;
1256         mbox_cmd[4] = length;
1257         mbox_cmd[5] = options;
1258
1259         status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1260         if (status != QLA_SUCCESS) {
1261                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1262                                   "failed w/ status %04X, mbx1 %04X\n",
1263                                   __func__, mbox_sts[0], mbox_sts[1]));
1264         }
1265         return status;
1266 }
1267
1268 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1269                             struct dev_db_entry *fw_ddb_entry,
1270                             dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1271 {
1272         uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1273         uint32_t dev_db_end_offset;
1274         int status = QLA_ERROR;
1275
1276         memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1277
1278         dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1279         dev_db_end_offset = FLASH_OFFSET_DB_END;
1280
1281         if (dev_db_start_offset > dev_db_end_offset) {
1282                 DEBUG2(ql4_printk(KERN_ERR, ha,
1283                                   "%s:Invalid DDB index %d", __func__,
1284                                   ddb_index));
1285                 goto exit_bootdb_failed;
1286         }
1287
1288         if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1289                               sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1290                 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1291                            "failed\n", ha->host_no, __func__);
1292                 goto exit_bootdb_failed;
1293         }
1294
1295         if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1296                 status = QLA_SUCCESS;
1297
1298 exit_bootdb_failed:
1299         return status;
1300 }
1301
1302 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1303                      uint16_t idx)
1304 {
1305         int ret = 0;
1306         int rval = QLA_ERROR;
1307         uint32_t offset = 0, chap_size;
1308         struct ql4_chap_table *chap_table;
1309         dma_addr_t chap_dma;
1310
1311         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1312         if (chap_table == NULL) {
1313                 ret = -ENOMEM;
1314                 goto exit_get_chap;
1315         }
1316
1317         chap_size = sizeof(struct ql4_chap_table);
1318         memset(chap_table, 0, chap_size);
1319
1320         if (is_qla40XX(ha))
1321                 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1322         else {
1323                 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1324                 /* flt_chap_size is CHAP table size for both ports
1325                  * so divide it by 2 to calculate the offset for second port
1326                  */
1327                 if (ha->port_num == 1)
1328                         offset += (ha->hw.flt_chap_size / 2);
1329                 offset += (idx * chap_size);
1330         }
1331
1332         rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1333         if (rval != QLA_SUCCESS) {
1334                 ret = -EINVAL;
1335                 goto exit_get_chap;
1336         }
1337
1338         DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1339                 __le16_to_cpu(chap_table->cookie)));
1340
1341         if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1342                 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1343                 goto exit_get_chap;
1344         }
1345
1346         strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1347         strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1348         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1349
1350 exit_get_chap:
1351         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1352         return ret;
1353 }
1354
1355 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1356                             char *password, uint16_t idx, int bidi)
1357 {
1358         int ret = 0;
1359         int rval = QLA_ERROR;
1360         uint32_t offset = 0;
1361         struct ql4_chap_table *chap_table;
1362         dma_addr_t chap_dma;
1363
1364         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1365         if (chap_table == NULL) {
1366                 ret =  -ENOMEM;
1367                 goto exit_set_chap;
1368         }
1369
1370         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1371         if (bidi)
1372                 chap_table->flags |= BIT_6; /* peer */
1373         else
1374                 chap_table->flags |= BIT_7; /* local */
1375         chap_table->secret_len = strlen(password);
1376         strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1377         strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1378         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1379         offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
1380         rval = qla4xxx_set_flash(ha, chap_dma, offset,
1381                                 sizeof(struct ql4_chap_table),
1382                                 FLASH_OPT_RMW_COMMIT);
1383
1384         if (rval == QLA_SUCCESS && ha->chap_list) {
1385                 /* Update ha chap_list cache */
1386                 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1387                        chap_table, sizeof(struct ql4_chap_table));
1388         }
1389         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1390         if (rval != QLA_SUCCESS)
1391                 ret =  -EINVAL;
1392
1393 exit_set_chap:
1394         return ret;
1395 }
1396
1397 /**
1398  * qla4xxx_get_chap_index - Get chap index given username and secret
1399  * @ha: pointer to adapter structure
1400  * @username: CHAP username to be searched
1401  * @password: CHAP password to be searched
1402  * @bidi: Is this a BIDI CHAP
1403  * @chap_index: CHAP index to be returned
1404  *
1405  * Match the username and password in the chap_list, return the index if a
1406  * match is found. If a match is not found then add the entry in FLASH and
1407  * return the index at which entry is written in the FLASH.
1408  **/
1409 static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1410                             char *password, int bidi, uint16_t *chap_index)
1411 {
1412         int i, rval;
1413         int free_index = -1;
1414         int found_index = 0;
1415         int max_chap_entries = 0;
1416         struct ql4_chap_table *chap_table;
1417
1418         if (is_qla8022(ha))
1419                 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1420                                                 sizeof(struct ql4_chap_table);
1421         else
1422                 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1423
1424         if (!ha->chap_list) {
1425                 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1426                 return QLA_ERROR;
1427         }
1428
1429         mutex_lock(&ha->chap_sem);
1430         for (i = 0; i < max_chap_entries; i++) {
1431                 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1432                 if (chap_table->cookie !=
1433                     __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1434                         if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1435                                 free_index = i;
1436                         continue;
1437                 }
1438                 if (bidi) {
1439                         if (chap_table->flags & BIT_7)
1440                                 continue;
1441                 } else {
1442                         if (chap_table->flags & BIT_6)
1443                                 continue;
1444                 }
1445                 if (!strncmp(chap_table->secret, password,
1446                              MAX_CHAP_SECRET_LEN) &&
1447                     !strncmp(chap_table->name, username,
1448                              MAX_CHAP_NAME_LEN)) {
1449                         *chap_index = i;
1450                         found_index = 1;
1451                         break;
1452                 }
1453         }
1454
1455         /* If chap entry is not present and a free index is available then
1456          * write the entry in flash
1457          */
1458         if (!found_index && free_index != -1) {
1459                 rval = qla4xxx_set_chap(ha, username, password,
1460                                         free_index, bidi);
1461                 if (!rval) {
1462                         *chap_index = free_index;
1463                         found_index = 1;
1464                 }
1465         }
1466
1467         mutex_unlock(&ha->chap_sem);
1468
1469         if (found_index)
1470                 return QLA_SUCCESS;
1471         return QLA_ERROR;
1472 }
1473
1474 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1475                                    uint16_t fw_ddb_index,
1476                                    uint16_t connection_id,
1477                                    uint16_t option)
1478 {
1479         uint32_t mbox_cmd[MBOX_REG_COUNT];
1480         uint32_t mbox_sts[MBOX_REG_COUNT];
1481         int status = QLA_SUCCESS;
1482
1483         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1484         memset(&mbox_sts, 0, sizeof(mbox_sts));
1485
1486         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1487         mbox_cmd[1] = fw_ddb_index;
1488         mbox_cmd[2] = connection_id;
1489         mbox_cmd[3] = option;
1490
1491         status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1492         if (status != QLA_SUCCESS) {
1493                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1494                                   "option %04x failed w/ status %04X %04X\n",
1495                                   __func__, option, mbox_sts[0], mbox_sts[1]));
1496         }
1497         return status;
1498 }
1499
1500 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1501 {
1502         uint32_t mbox_cmd[MBOX_REG_COUNT];
1503         uint32_t mbox_sts[MBOX_REG_COUNT];
1504         int status = QLA_SUCCESS;
1505
1506         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1507         memset(&mbox_sts, 0, sizeof(mbox_sts));
1508
1509         mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1510
1511         status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1512         if (status != QLA_SUCCESS) {
1513                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1514                                   "failed w/ status %04X %04X %04X", __func__,
1515                                   mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1516         }
1517         return status;
1518 }
1519
1520 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1521                     uint32_t acb_type, uint32_t len)
1522 {
1523         uint32_t mbox_cmd[MBOX_REG_COUNT];
1524         uint32_t mbox_sts[MBOX_REG_COUNT];
1525         int status = QLA_SUCCESS;
1526
1527         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1528         memset(&mbox_sts, 0, sizeof(mbox_sts));
1529
1530         mbox_cmd[0] = MBOX_CMD_GET_ACB;
1531         mbox_cmd[1] = acb_type;
1532         mbox_cmd[2] = LSDW(acb_dma);
1533         mbox_cmd[3] = MSDW(acb_dma);
1534         mbox_cmd[4] = len;
1535
1536         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1537         if (status != QLA_SUCCESS) {
1538                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1539                                   "failed w/ status %04X\n", __func__,
1540                                   mbox_sts[0]));
1541         }
1542         return status;
1543 }
1544
1545 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1546                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1547 {
1548         int status = QLA_SUCCESS;
1549
1550         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1551         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1552         mbox_cmd[0] = MBOX_CMD_SET_ACB;
1553         mbox_cmd[1] = 0; /* Primary ACB */
1554         mbox_cmd[2] = LSDW(acb_dma);
1555         mbox_cmd[3] = MSDW(acb_dma);
1556         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1557
1558         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1559         if (status != QLA_SUCCESS) {
1560                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1561                                   "failed w/ status %04X\n", __func__,
1562                                   mbox_sts[0]));
1563         }
1564         return status;
1565 }
1566
1567 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1568                                struct ddb_entry *ddb_entry,
1569                                struct iscsi_cls_conn *cls_conn,
1570                                uint32_t *mbx_sts)
1571 {
1572         struct dev_db_entry *fw_ddb_entry;
1573         struct iscsi_conn *conn;
1574         struct iscsi_session *sess;
1575         struct qla_conn *qla_conn;
1576         struct sockaddr *dst_addr;
1577         dma_addr_t fw_ddb_entry_dma;
1578         int status = QLA_SUCCESS;
1579         int rval = 0;
1580         struct sockaddr_in *addr;
1581         struct sockaddr_in6 *addr6;
1582         char *ip;
1583         uint16_t iscsi_opts = 0;
1584         uint32_t options = 0;
1585         uint16_t idx;
1586
1587         fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1588                                           &fw_ddb_entry_dma, GFP_KERNEL);
1589         if (!fw_ddb_entry) {
1590                 DEBUG2(ql4_printk(KERN_ERR, ha,
1591                                   "%s: Unable to allocate dma buffer.\n",
1592                                   __func__));
1593                 rval = -ENOMEM;
1594                 goto exit_set_param_no_free;
1595         }
1596
1597         conn = cls_conn->dd_data;
1598         qla_conn = conn->dd_data;
1599         sess = conn->session;
1600         dst_addr = &qla_conn->qla_ep->dst_addr;
1601
1602         if (dst_addr->sa_family == AF_INET6)
1603                 options |= IPV6_DEFAULT_DDB_ENTRY;
1604
1605         status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1606         if (status == QLA_ERROR) {
1607                 rval = -EINVAL;
1608                 goto exit_set_param;
1609         }
1610
1611         iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1612         memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1613
1614         memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1615
1616         if (sess->targetname != NULL) {
1617                 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1618                        min(strlen(sess->targetname),
1619                        sizeof(fw_ddb_entry->iscsi_name)));
1620         }
1621
1622         memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1623         memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1624
1625         fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1626
1627         if (dst_addr->sa_family == AF_INET) {
1628                 addr = (struct sockaddr_in *)dst_addr;
1629                 ip = (char *)&addr->sin_addr;
1630                 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1631                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1632                 DEBUG2(ql4_printk(KERN_INFO, ha,
1633                                   "%s: Destination Address [%pI4]: index [%d]\n",
1634                                    __func__, fw_ddb_entry->ip_addr,
1635                                   ddb_entry->fw_ddb_index));
1636         } else if (dst_addr->sa_family == AF_INET6) {
1637                 addr6 = (struct sockaddr_in6 *)dst_addr;
1638                 ip = (char *)&addr6->sin6_addr;
1639                 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1640                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1641                 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1642                 DEBUG2(ql4_printk(KERN_INFO, ha,
1643                                   "%s: Destination Address [%pI6]: index [%d]\n",
1644                                    __func__, fw_ddb_entry->ip_addr,
1645                                   ddb_entry->fw_ddb_index));
1646         } else {
1647                 ql4_printk(KERN_ERR, ha,
1648                            "%s: Failed to get IP Address\n",
1649                            __func__);
1650                 rval = -EINVAL;
1651                 goto exit_set_param;
1652         }
1653
1654         /* CHAP */
1655         if (sess->username != NULL && sess->password != NULL) {
1656                 if (strlen(sess->username) && strlen(sess->password)) {
1657                         iscsi_opts |= BIT_7;
1658
1659                         rval = qla4xxx_get_chap_index(ha, sess->username,
1660                                                 sess->password,
1661                                                 LOCAL_CHAP, &idx);
1662                         if (rval)
1663                                 goto exit_set_param;
1664
1665                         fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1666                 }
1667         }
1668
1669         if (sess->username_in != NULL && sess->password_in != NULL) {
1670                 /* Check if BIDI CHAP */
1671                 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1672                         iscsi_opts |= BIT_4;
1673
1674                         rval = qla4xxx_get_chap_index(ha, sess->username_in,
1675                                                       sess->password_in,
1676                                                       BIDI_CHAP, &idx);
1677                         if (rval)
1678                                 goto exit_set_param;
1679                 }
1680         }
1681
1682         if (sess->initial_r2t_en)
1683                 iscsi_opts |= BIT_10;
1684
1685         if (sess->imm_data_en)
1686                 iscsi_opts |= BIT_11;
1687
1688         fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1689
1690         if (conn->max_recv_dlength)
1691                 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1692                   __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1693
1694         if (sess->max_r2t)
1695                 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1696
1697         if (sess->first_burst)
1698                 fw_ddb_entry->iscsi_first_burst_len =
1699                        __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1700
1701         if (sess->max_burst)
1702                 fw_ddb_entry->iscsi_max_burst_len =
1703                         __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1704
1705         if (sess->time2wait)
1706                 fw_ddb_entry->iscsi_def_time2wait =
1707                         cpu_to_le16(sess->time2wait);
1708
1709         if (sess->time2retain)
1710                 fw_ddb_entry->iscsi_def_time2retain =
1711                         cpu_to_le16(sess->time2retain);
1712
1713         status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1714                                        fw_ddb_entry_dma, mbx_sts);
1715
1716         if (status != QLA_SUCCESS)
1717                 rval = -EINVAL;
1718 exit_set_param:
1719         dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1720                           fw_ddb_entry, fw_ddb_entry_dma);
1721 exit_set_param_no_free:
1722         return rval;
1723 }
1724
1725 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1726                           uint16_t stats_size, dma_addr_t stats_dma)
1727 {
1728         int status = QLA_SUCCESS;
1729         uint32_t mbox_cmd[MBOX_REG_COUNT];
1730         uint32_t mbox_sts[MBOX_REG_COUNT];
1731
1732         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1733         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1734         mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1735         mbox_cmd[1] = fw_ddb_index;
1736         mbox_cmd[2] = LSDW(stats_dma);
1737         mbox_cmd[3] = MSDW(stats_dma);
1738         mbox_cmd[4] = stats_size;
1739
1740         status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1741         if (status != QLA_SUCCESS) {
1742                 DEBUG2(ql4_printk(KERN_WARNING, ha,
1743                                   "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1744                                   "failed w/ status %04X\n", __func__,
1745                                   mbox_sts[0]));
1746         }
1747         return status;
1748 }
1749
1750 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1751                          uint32_t ip_idx, uint32_t *sts)
1752 {
1753         uint32_t mbox_cmd[MBOX_REG_COUNT];
1754         uint32_t mbox_sts[MBOX_REG_COUNT];
1755         int status = QLA_SUCCESS;
1756
1757         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1758         memset(&mbox_sts, 0, sizeof(mbox_sts));
1759         mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1760         mbox_cmd[1] = acb_idx;
1761         mbox_cmd[2] = ip_idx;
1762
1763         status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1764         if (status != QLA_SUCCESS) {
1765                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
1766                                   "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1767                                   "status %04X\n", __func__, mbox_sts[0]));
1768         }
1769         memcpy(sts, mbox_sts, sizeof(mbox_sts));
1770         return status;
1771 }
1772
1773 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1774                       uint32_t offset, uint32_t size)
1775 {
1776         int status = QLA_SUCCESS;
1777         uint32_t mbox_cmd[MBOX_REG_COUNT];
1778         uint32_t mbox_sts[MBOX_REG_COUNT];
1779
1780         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1781         memset(&mbox_sts, 0, sizeof(mbox_sts));
1782
1783         mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1784         mbox_cmd[1] = LSDW(nvram_dma);
1785         mbox_cmd[2] = MSDW(nvram_dma);
1786         mbox_cmd[3] = offset;
1787         mbox_cmd[4] = size;
1788
1789         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1790                                          &mbox_sts[0]);
1791         if (status != QLA_SUCCESS) {
1792                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1793                                   "status %04X\n", ha->host_no, __func__,
1794                                   mbox_sts[0]));
1795         }
1796         return status;
1797 }
1798
1799 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1800                       uint32_t offset, uint32_t size)
1801 {
1802         int status = QLA_SUCCESS;
1803         uint32_t mbox_cmd[MBOX_REG_COUNT];
1804         uint32_t mbox_sts[MBOX_REG_COUNT];
1805
1806         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1807         memset(&mbox_sts, 0, sizeof(mbox_sts));
1808
1809         mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1810         mbox_cmd[1] = LSDW(nvram_dma);
1811         mbox_cmd[2] = MSDW(nvram_dma);
1812         mbox_cmd[3] = offset;
1813         mbox_cmd[4] = size;
1814
1815         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1816                                          &mbox_sts[0]);
1817         if (status != QLA_SUCCESS) {
1818                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1819                                   "status %04X\n", ha->host_no, __func__,
1820                                   mbox_sts[0]));
1821         }
1822         return status;
1823 }
1824
1825 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
1826                                      uint32_t region, uint32_t field0,
1827                                      uint32_t field1)
1828 {
1829         int status = QLA_SUCCESS;
1830         uint32_t mbox_cmd[MBOX_REG_COUNT];
1831         uint32_t mbox_sts[MBOX_REG_COUNT];
1832
1833         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1834         memset(&mbox_sts, 0, sizeof(mbox_sts));
1835
1836         mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
1837         mbox_cmd[3] = region;
1838         mbox_cmd[4] = field0;
1839         mbox_cmd[5] = field1;
1840
1841         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
1842                                          &mbox_sts[0]);
1843         if (status != QLA_SUCCESS) {
1844                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1845                                   "status %04X\n", ha->host_no, __func__,
1846                                   mbox_sts[0]));
1847         }
1848         return status;
1849 }