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_qla40XX(ha)) {
  45                 if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
  46                         DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
  47                                           "prematurely completing mbx cmd as "
  48                                           "adapter removal detected\n",
  49                                           ha->host_no, __func__));
  50                         return status;
  51                 }
  52         }
  53
  54         if (is_qla8022(ha)) {
  55                 if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
  56                         DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
  57                             "prematurely completing mbx cmd as firmware "
  58                             "recovery detected\n", ha->host_no, __func__));
  59                         return status;
  60                 }
  61                 /* Do not send any mbx cmd if h/w is in failed state*/
  62                 qla4_8xxx_idc_lock(ha);
  63                 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
  64                 qla4_8xxx_idc_unlock(ha);
  65                 if (dev_state == QLA82XX_DEV_FAILED) {
  66                         ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: H/W is in "
  67                             "failed state, do not send any mailbox commands\n",
  68                             ha->host_no, __func__);
  69                         return status;
  70                 }
  71         }
  72
  73         if ((is_aer_supported(ha)) &&
  74             (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
  75                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
  76                     "timeout MBX Exiting.\n", ha->host_no, __func__));
  77                 return status;
  78         }
  79
  80         /* Mailbox code active */
  81         wait_count = MBOX_TOV * 100;
  82
  83         while (wait_count--) {
  84                 mutex_lock(&ha->mbox_sem);
  85                 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
  86                         set_bit(AF_MBOX_COMMAND, &ha->flags);
  87                         mutex_unlock(&ha->mbox_sem);
  88                         break;
  89                 }
  90                 mutex_unlock(&ha->mbox_sem);
  91                 if (!wait_count) {
  92                         DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
  93                                 ha->host_no, __func__));
  94                         return status;
  95                 }
  96                 msleep(10);
  97         }
  98
  99         spin_lock_irqsave(&ha->hardware_lock, flags);
 100
 101         ha->mbox_status_count = outCount;
 102         for (i = 0; i < outCount; i++)
 103                 ha->mbox_status[i] = 0;
 104
 105         if (is_qla8022(ha)) {
 106                 /* Load all mailbox registers, except mailbox 0. */
 107                 DEBUG5(
 108                     printk("scsi%ld: %s: Cmd ", ha->host_no, __func__);
 109                     for (i = 0; i < inCount; i++)
 110                         printk("mb%d=%04x ", i, mbx_cmd[i]);
 111                     printk("\n"));
 112
 113                 for (i = 1; i < inCount; i++)
 114                         writel(mbx_cmd[i], &ha->qla4_8xxx_reg->mailbox_in[i]);
 115                 writel(mbx_cmd[0], &ha->qla4_8xxx_reg->mailbox_in[0]);
 116                 readl(&ha->qla4_8xxx_reg->mailbox_in[0]);
 117                 writel(HINT_MBX_INT_PENDING, &ha->qla4_8xxx_reg->hint);
 118         } else {
 119                 /* Load all mailbox registers, except mailbox 0. */
 120                 for (i = 1; i < inCount; i++)
 121                         writel(mbx_cmd[i], &ha->reg->mailbox[i]);
 122
 123                 /* Wakeup firmware  */
 124                 writel(mbx_cmd[0], &ha->reg->mailbox[0]);
 125                 readl(&ha->reg->mailbox[0]);
 126                 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
 127                 readl(&ha->reg->ctrl_status);
 128         }
 129
 130         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 131
 132         /* Wait for completion */
 133
 134         /*
 135          * If we don't want status, don't wait for the mailbox command to
 136          * complete.  For example, MBOX_CMD_RESET_FW doesn't return status,
 137          * you must poll the inbound Interrupt Mask for completion.
 138          */
 139         if (outCount == 0) {
 140                 status = QLA_SUCCESS;
 141                 goto mbox_exit;
 142         }
 143
 144         /*
 145          * Wait for completion: Poll or completion queue
 146          */
 147         if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
 148             test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
 149             test_bit(AF_ONLINE, &ha->flags) &&
 150             !test_bit(AF_HA_REMOVAL, &ha->flags)) {
 151                 /* Do not poll for completion. Use completion queue */
 152                 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 153                 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
 154                 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
 155         } else {
 156                 /* Poll for command to complete */
 157                 wait_count = jiffies + MBOX_TOV * HZ;
 158                 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
 159                         if (time_after_eq(jiffies, wait_count))
 160                                 break;
 161
 162                         /*
 163                          * Service the interrupt.
 164                          * The ISR will save the mailbox status registers
 165                          * to a temporary storage location in the adapter
 166                          * structure.
 167                          */
 168
 169                         spin_lock_irqsave(&ha->hardware_lock, flags);
 170                         if (is_qla8022(ha)) {
 171                                 intr_status =
 172                                     readl(&ha->qla4_8xxx_reg->host_int);
 173                                 if (intr_status & ISRX_82XX_RISC_INT) {
 174                                         ha->mbox_status_count = outCount;
 175                                         intr_status =
 176                                          readl(&ha->qla4_8xxx_reg->host_status);
 177                                         ha->isp_ops->interrupt_service_routine(
 178                                             ha, intr_status);
 179                                         if (test_bit(AF_INTERRUPTS_ON,
 180                                             &ha->flags) &&
 181                                             test_bit(AF_INTx_ENABLED,
 182                                             &ha->flags))
 183                                                 qla4_8xxx_wr_32(ha,
 184                                                 ha->nx_legacy_intr.tgt_mask_reg,
 185                                                 0xfbff);
 186                                 }
 187                         } else {
 188                                 intr_status = readl(&ha->reg->ctrl_status);
 189                                 if (intr_status & INTR_PENDING) {
 190                                         /*
 191                                          * Service the interrupt.
 192                                          * The ISR will save the mailbox status
 193                                          * registers to a temporary storage
 194                                          * location in the adapter structure.
 195                                          */
 196                                         ha->mbox_status_count = outCount;
 197                                         ha->isp_ops->interrupt_service_routine(
 198                                             ha, intr_status);
 199                                 }
 200                         }
 201                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 202                         msleep(10);
 203                 }
 204         }
 205
 206         /* Check for mailbox timeout. */
 207         if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
 208                 if (is_qla8022(ha) &&
 209                     test_bit(AF_FW_RECOVERY, &ha->flags)) {
 210                         DEBUG2(ql4_printk(KERN_INFO, ha,
 211                             "scsi%ld: %s: prematurely completing mbx cmd as "
 212                             "firmware recovery detected\n",
 213                             ha->host_no, __func__));
 214                         goto mbox_exit;
 215                 }
 216                 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
 217                               " Scheduling Adapter Reset\n", ha->host_no,
 218                               mbx_cmd[0]));
 219                 ha->mailbox_timeout_count++;
 220                 mbx_sts[0] = (-1);
 221                 set_bit(DPC_RESET_HA, &ha->dpc_flags);
 222                 if (is_qla8022(ha)) {
 223                         ql4_printk(KERN_INFO, ha,
 224                                    "disabling pause transmit on port 0 & 1.\n");
 225                         qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
 226                                         CRB_NIU_XG_PAUSE_CTL_P0 |
 227                                         CRB_NIU_XG_PAUSE_CTL_P1);
 228                 }
 229                 goto mbox_exit;
 230         }
 231
 232         /*
 233          * Copy the mailbox out registers to the caller's mailbox in/out
 234          * structure.
 235          */
 236         spin_lock_irqsave(&ha->hardware_lock, flags);
 237         for (i = 0; i < outCount; i++)
 238                 mbx_sts[i] = ha->mbox_status[i];
 239
 240         /* Set return status and error flags (if applicable). */
 241         switch (ha->mbox_status[0]) {
 242         case MBOX_STS_COMMAND_COMPLETE:
 243                 status = QLA_SUCCESS;
 244                 break;
 245
 246         case MBOX_STS_INTERMEDIATE_COMPLETION:
 247                 status = QLA_SUCCESS;
 248                 break;
 249
 250         case MBOX_STS_BUSY:
 251                 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
 252                                ha->host_no, __func__, mbx_cmd[0]));
 253                 ha->mailbox_timeout_count++;
 254                 break;
 255
 256         default:
 257                 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
 258                               "sts = %08X ****\n", ha->host_no, __func__,
 259                               mbx_cmd[0], mbx_sts[0]));
 260                 break;
 261         }
 262         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 263
 264 mbox_exit:
 265         mutex_lock(&ha->mbox_sem);
 266         clear_bit(AF_MBOX_COMMAND, &ha->flags);
 267         mutex_unlock(&ha->mbox_sem);
 268         clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 269
 270         return status;
 271 }
 272
 273 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
 274 {
 275         set_bit(AF_FW_RECOVERY, &ha->flags);
 276         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
 277             ha->host_no, __func__);
 278
 279         if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
 280                 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
 281                         complete(&ha->mbx_intr_comp);
 282                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 283                             "recovery, doing premature completion of "
 284                             "mbx cmd\n", ha->host_no, __func__);
 285
 286                 } else {
 287                         set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
 288                         ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
 289                             "recovery, doing premature completion of "
 290                             "polling mbx cmd\n", ha->host_no, __func__);
 291                 }
 292         }
 293 }
 294
 295 static uint8_t
 296 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 297                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 298 {
 299         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 300         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 301
 302         if (is_qla8022(ha))
 303                 qla4_8xxx_wr_32(ha, ha->nx_db_wr_ptr, 0);
 304
 305         mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
 306         mbox_cmd[1] = 0;
 307         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 308         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 309         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 310         mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
 311
 312         if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
 313             QLA_SUCCESS) {
 314                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 315                               "MBOX_CMD_INITIALIZE_FIRMWARE"
 316                               " failed w/ status %04X\n",
 317                               ha->host_no, __func__, mbox_sts[0]));
 318                 return QLA_ERROR;
 319         }
 320         return QLA_SUCCESS;
 321 }
 322
 323 uint8_t
 324 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 325                  uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 326 {
 327         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
 328         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
 329         mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
 330         mbox_cmd[2] = LSDW(init_fw_cb_dma);
 331         mbox_cmd[3] = MSDW(init_fw_cb_dma);
 332         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
 333
 334         if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
 335             QLA_SUCCESS) {
 336                 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
 337                               "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
 338                               " failed w/ status %04X\n",
 339                               ha->host_no, __func__, mbox_sts[0]));
 340                 return QLA_ERROR;
 341         }
 342         return QLA_SUCCESS;
 343 }
 344
 345 static void
 346 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
 347                         struct addr_ctrl_blk *init_fw_cb)
 348 {
 349         ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
 350         ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
 351         ha->ip_config.ipv4_addr_state =
 352                                 le16_to_cpu(init_fw_cb->ipv4_addr_state);
 353         ha->ip_config.eth_mtu_size =
 354                                 le16_to_cpu(init_fw_cb->eth_mtu_size);
 355         ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
 356
 357         if (ha->acb_version == ACB_SUPPORTED) {
 358                 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
 359                 ha->ip_config.ipv6_addl_options =
 360                                 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
 361         }
 362
 363         /* Save IPv4 Address Info */
 364         memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
 365                min(sizeof(ha->ip_config.ip_address),
 366                    sizeof(init_fw_cb->ipv4_addr)));
 367         memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
 368                min(sizeof(ha->ip_config.subnet_mask),
 369                    sizeof(init_fw_cb->ipv4_subnet)));
 370         memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
 371                min(sizeof(ha->ip_config.gateway),
 372                    sizeof(init_fw_cb->ipv4_gw_addr)));
 373
 374         ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 375
 376         if (is_ipv6_enabled(ha)) {
 377                 /* Save IPv6 Address */
 378                 ha->ip_config.ipv6_link_local_state =
 379                         le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
 380                 ha->ip_config.ipv6_addr0_state =
 381                                 le16_to_cpu(init_fw_cb->ipv6_addr0_state);
 382                 ha->ip_config.ipv6_addr1_state =
 383                                 le16_to_cpu(init_fw_cb->ipv6_addr1_state);
 384                 ha->ip_config.ipv6_default_router_state =
 385                                 le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
 386                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
 387                 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
 388
 389                 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
 390                        init_fw_cb->ipv6_if_id,
 391                        min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
 392                            sizeof(init_fw_cb->ipv6_if_id)));
 393                 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
 394                        min(sizeof(ha->ip_config.ipv6_addr0),
 395                            sizeof(init_fw_cb->ipv6_addr0)));
 396                 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
 397                        min(sizeof(ha->ip_config.ipv6_addr1),
 398                            sizeof(init_fw_cb->ipv6_addr1)));
 399                 memcpy(&ha->ip_config.ipv6_default_router_addr,
 400                        init_fw_cb->ipv6_dflt_rtr_addr,
 401                        min(sizeof(ha->ip_config.ipv6_default_router_addr),
 402                            sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
 403                 ha->ip_config.ipv6_vlan_tag =
 404                                 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
 405                 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
 406         }
 407 }
 408
 409 uint8_t
 410 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 411                           uint32_t *mbox_cmd,
 412                           uint32_t *mbox_sts,
 413                           struct addr_ctrl_blk  *init_fw_cb,
 414                           dma_addr_t init_fw_cb_dma)
 415 {
 416         if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
 417             != QLA_SUCCESS) {
 418                 DEBUG2(printk(KERN_WARNING
 419                               "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 420                               ha->host_no, __func__));
 421                 return QLA_ERROR;
 422         }
 423
 424         DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
 425
 426         /* Save some info in adapter structure. */
 427         ha->acb_version = init_fw_cb->acb_version;
 428         ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
 429         ha->heartbeat_interval = init_fw_cb->hb_interval;
 430         memcpy(ha->name_string, init_fw_cb->iscsi_name,
 431                 min(sizeof(ha->name_string),
 432                 sizeof(init_fw_cb->iscsi_name)));
 433         ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
 434         /*memcpy(ha->alias, init_fw_cb->Alias,
 435                min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 436
 437         qla4xxx_update_local_ip(ha, init_fw_cb);
 438
 439         return QLA_SUCCESS;
 440 }
 441
 442 /**
 443  * qla4xxx_initialize_fw_cb - initializes firmware control block.
 444  * @ha: Pointer to host adapter structure.
 445  **/
 446 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 447 {
 448         struct addr_ctrl_blk *init_fw_cb;
 449         dma_addr_t init_fw_cb_dma;
 450         uint32_t mbox_cmd[MBOX_REG_COUNT];
 451         uint32_t mbox_sts[MBOX_REG_COUNT];
 452         int status = QLA_ERROR;
 453
 454         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 455                                         sizeof(struct addr_ctrl_blk),
 456                                         &init_fw_cb_dma, GFP_KERNEL);
 457         if (init_fw_cb == NULL) {
 458                 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
 459                               ha->host_no, __func__));
 460                 goto exit_init_fw_cb_no_free;
 461         }
 462         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 463
 464         /* Get Initialize Firmware Control Block. */
 465         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 466         memset(&mbox_sts, 0, sizeof(mbox_sts));
 467
 468         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 469             QLA_SUCCESS) {
 470                 dma_free_coherent(&ha->pdev->dev,
 471                                   sizeof(struct addr_ctrl_blk),
 472                                   init_fw_cb, init_fw_cb_dma);
 473                 goto exit_init_fw_cb;
 474         }
 475
 476         /* Initialize request and response queues. */
 477         qla4xxx_init_rings(ha);
 478
 479         /* Fill in the request and response queue information. */
 480         init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
 481         init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
 482         init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
 483         init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
 484         init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
 485         init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
 486         init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
 487         init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
 488         init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
 489         init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
 490
 491         /* Set up required options. */
 492         init_fw_cb->fw_options |=
 493                 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
 494                                        FWOPT_INITIATOR_MODE);
 495
 496         if (is_qla8022(ha))
 497                 init_fw_cb->fw_options |=
 498                     __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
 499
 500         init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 501
 502         init_fw_cb->add_fw_options = 0;
 503         init_fw_cb->add_fw_options |=
 504                         __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
 505         init_fw_cb->add_fw_options |=
 506                         __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
 507
 508         if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
 509                 != QLA_SUCCESS) {
 510                 DEBUG2(printk(KERN_WARNING
 511                               "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
 512                               ha->host_no, __func__));
 513                 goto exit_init_fw_cb;
 514         }
 515
 516         if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
 517                 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
 518                 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
 519                                 ha->host_no, __func__));
 520                 goto exit_init_fw_cb;
 521         }
 522         status = QLA_SUCCESS;
 523
 524 exit_init_fw_cb:
 525         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 526                                 init_fw_cb, init_fw_cb_dma);
 527 exit_init_fw_cb_no_free:
 528         return status;
 529 }
 530
 531 /**
 532  * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
 533  * @ha: Pointer to host adapter structure.
 534  **/
 535 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 536 {
 537         struct addr_ctrl_blk *init_fw_cb;
 538         dma_addr_t init_fw_cb_dma;
 539         uint32_t mbox_cmd[MBOX_REG_COUNT];
 540         uint32_t mbox_sts[MBOX_REG_COUNT];
 541
 542         init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
 543                                         sizeof(struct addr_ctrl_blk),
 544                                         &init_fw_cb_dma, GFP_KERNEL);
 545         if (init_fw_cb == NULL) {
 546                 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
 547                        __func__);
 548                 return QLA_ERROR;
 549         }
 550
 551         /* Get Initialize Firmware Control Block. */
 552         memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 553         if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 554             QLA_SUCCESS) {
 555                 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 556                               ha->host_no, __func__));
 557                 dma_free_coherent(&ha->pdev->dev,
 558                                   sizeof(struct addr_ctrl_blk),
 559                                   init_fw_cb, init_fw_cb_dma);
 560                 return QLA_ERROR;
 561         }
 562
 563         /* Save IP Address. */
 564         qla4xxx_update_local_ip(ha, init_fw_cb);
 565         dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
 566                                 init_fw_cb, init_fw_cb_dma);
 567
 568         return QLA_SUCCESS;
 569 }
 570
 571 /**
 572  * qla4xxx_get_firmware_state - gets firmware state of HBA
 573  * @ha: Pointer to host adapter structure.
 574  **/
 575 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
 576 {
 577         uint32_t mbox_cmd[MBOX_REG_COUNT];
 578         uint32_t mbox_sts[MBOX_REG_COUNT];
 579
 580         /* Get firmware version */
 581         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 582         memset(&mbox_sts, 0, sizeof(mbox_sts));
 583
 584         mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
 585
 586         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
 587             QLA_SUCCESS) {
 588                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
 589                               "status %04X\n", ha->host_no, __func__,
 590                               mbox_sts[0]));
 591                 return QLA_ERROR;
 592         }
 593         ha->firmware_state = mbox_sts[1];
 594         ha->board_id = mbox_sts[2];
 595         ha->addl_fw_state = mbox_sts[3];
 596         DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
 597                       ha->host_no, __func__, ha->firmware_state);)
 598
 599         return QLA_SUCCESS;
 600 }
 601
 602 /**
 603  * qla4xxx_get_firmware_status - retrieves firmware status
 604  * @ha: Pointer to host adapter structure.
 605  **/
 606 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
 607 {
 608         uint32_t mbox_cmd[MBOX_REG_COUNT];
 609         uint32_t mbox_sts[MBOX_REG_COUNT];
 610
 611         /* Get firmware version */
 612         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 613         memset(&mbox_sts, 0, sizeof(mbox_sts));
 614
 615         mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
 616
 617         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
 618             QLA_SUCCESS) {
 619                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
 620                               "status %04X\n", ha->host_no, __func__,
 621                               mbox_sts[0]));
 622                 return QLA_ERROR;
 623         }
 624
 625         ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n",
 626             ha->host_no, mbox_sts[2]);
 627
 628         return QLA_SUCCESS;
 629 }
 630
 631 /**
 632  * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
 633  * @ha: Pointer to host adapter structure.
 634  * @fw_ddb_index: Firmware's device database index
 635  * @fw_ddb_entry: Pointer to firmware's device database entry structure
 636  * @num_valid_ddb_entries: Pointer to number of valid ddb entries
 637  * @next_ddb_index: Pointer to next valid device database index
 638  * @fw_ddb_device_state: Pointer to device state
 639  **/
 640 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 641                             uint16_t fw_ddb_index,
 642                             struct dev_db_entry *fw_ddb_entry,
 643                             dma_addr_t fw_ddb_entry_dma,
 644                             uint32_t *num_valid_ddb_entries,
 645                             uint32_t *next_ddb_index,
 646                             uint32_t *fw_ddb_device_state,
 647                             uint32_t *conn_err_detail,
 648                             uint16_t *tcp_source_port_num,
 649                             uint16_t *connection_id)
 650 {
 651         int status = QLA_ERROR;
 652         uint16_t options;
 653         uint32_t mbox_cmd[MBOX_REG_COUNT];
 654         uint32_t mbox_sts[MBOX_REG_COUNT];
 655
 656         /* Make sure the device index is valid */
 657         if (fw_ddb_index >= MAX_DDB_ENTRIES) {
 658                 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
 659                               ha->host_no, __func__, fw_ddb_index));
 660                 goto exit_get_fwddb;
 661         }
 662         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 663         memset(&mbox_sts, 0, sizeof(mbox_sts));
 664
 665         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
 666         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 667         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 668         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 669         mbox_cmd[4] = sizeof(struct dev_db_entry);
 670
 671         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
 672             QLA_ERROR) {
 673                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
 674                               " with status 0x%04X\n", ha->host_no, __func__,
 675                               mbox_sts[0]));
 676                 goto exit_get_fwddb;
 677         }
 678         if (fw_ddb_index != mbox_sts[1]) {
 679                 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
 680                               ha->host_no, __func__, fw_ddb_index,
 681                               mbox_sts[1]));
 682                 goto exit_get_fwddb;
 683         }
 684         if (fw_ddb_entry) {
 685                 options = le16_to_cpu(fw_ddb_entry->options);
 686                 if (options & DDB_OPT_IPV6_DEVICE) {
 687                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 688                                 "Next %d State %04x ConnErr %08x %pI6 "
 689                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 690                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 691                                 mbox_sts[4], mbox_sts[5],
 692                                 fw_ddb_entry->ip_addr,
 693                                 le16_to_cpu(fw_ddb_entry->port),
 694                                 fw_ddb_entry->iscsi_name);
 695                 } else {
 696                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 697                                 "Next %d State %04x ConnErr %08x %pI4 "
 698                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 699                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 700                                 mbox_sts[4], mbox_sts[5],
 701                                 fw_ddb_entry->ip_addr,
 702                                 le16_to_cpu(fw_ddb_entry->port),
 703                                 fw_ddb_entry->iscsi_name);
 704                 }
 705         }
 706         if (num_valid_ddb_entries)
 707                 *num_valid_ddb_entries = mbox_sts[2];
 708         if (next_ddb_index)
 709                 *next_ddb_index = mbox_sts[3];
 710         if (fw_ddb_device_state)
 711                 *fw_ddb_device_state = mbox_sts[4];
 712
 713         /*
 714          * RA: This mailbox has been changed to pass connection error and
 715          * details.  Its true for ISP4010 as per Version E - Not sure when it
 716          * was changed.  Get the time2wait from the fw_dd_entry field :
 717          * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
 718          * struct.
 719          */
 720         if (conn_err_detail)
 721                 *conn_err_detail = mbox_sts[5];
 722         if (tcp_source_port_num)
 723                 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 724         if (connection_id)
 725                 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 726         status = QLA_SUCCESS;
 727
 728 exit_get_fwddb:
 729         return status;
 730 }
 731
 732 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
 733 {
 734         uint32_t mbox_cmd[MBOX_REG_COUNT];
 735         uint32_t mbox_sts[MBOX_REG_COUNT];
 736         int status;
 737
 738         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 739         memset(&mbox_sts, 0, sizeof(mbox_sts));
 740
 741         mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
 742         mbox_cmd[1] = fw_ddb_index;
 743
 744         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 745                                          &mbox_sts[0]);
 746         DEBUG2(ql4_printk(KERN_INFO, ha,
 747                           "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
 748                           __func__, status, mbox_sts[0], mbox_sts[1]));
 749         return status;
 750 }
 751
 752 /**
 753  * qla4xxx_set_fwddb_entry - sets a ddb entry.
 754  * @ha: Pointer to host adapter structure.
 755  * @fw_ddb_index: Firmware's device database index
 756  * @fw_ddb_entry_dma: dma address of ddb entry
 757  * @mbx_sts: mailbox 0 to be returned or NULL
 758  *
 759  * This routine initializes or updates the adapter's device database
 760  * entry for the specified device.
 761  **/
 762 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 763                           dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 764 {
 765         uint32_t mbox_cmd[MBOX_REG_COUNT];
 766         uint32_t mbox_sts[MBOX_REG_COUNT];
 767         int status;
 768
 769         /* Do not wait for completion. The firmware will send us an
 770          * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
 771          */
 772         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 773         memset(&mbox_sts, 0, sizeof(mbox_sts));
 774
 775         mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
 776         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 777         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 778         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 779         mbox_cmd[4] = sizeof(struct dev_db_entry);
 780
 781         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 782                                          &mbox_sts[0]);
 783         if (mbx_sts)
 784                 *mbx_sts = mbox_sts[0];
 785         DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 786             ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 787
 788         return status;
 789 }
 790
 791 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
 792                                struct ddb_entry *ddb_entry, int options)
 793 {
 794         int status;
 795         uint32_t mbox_cmd[MBOX_REG_COUNT];
 796         uint32_t mbox_sts[MBOX_REG_COUNT];
 797
 798         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 799         memset(&mbox_sts, 0, sizeof(mbox_sts));
 800
 801         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
 802         mbox_cmd[1] = ddb_entry->fw_ddb_index;
 803         mbox_cmd[3] = options;
 804
 805         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 806                                          &mbox_sts[0]);
 807         if (status != QLA_SUCCESS) {
 808                 DEBUG2(ql4_printk(KERN_INFO, ha,
 809                                   "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
 810                                   "failed sts %04X %04X", __func__,
 811                                   mbox_sts[0], mbox_sts[1]));
 812         }
 813
 814         return status;
 815 }
 816
 817 /**
 818  * qla4xxx_get_crash_record - retrieves crash record.
 819  * @ha: Pointer to host adapter structure.
 820  *
 821  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
 822  **/
 823 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
 824 {
 825         uint32_t mbox_cmd[MBOX_REG_COUNT];
 826         uint32_t mbox_sts[MBOX_REG_COUNT];
 827         struct crash_record *crash_record = NULL;
 828         dma_addr_t crash_record_dma = 0;
 829         uint32_t crash_record_size = 0;
 830
 831         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 832         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 833
 834         /* Get size of crash record. */
 835         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 836
 837         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 838             QLA_SUCCESS) {
 839                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
 840                               ha->host_no, __func__));
 841                 goto exit_get_crash_record;
 842         }
 843         crash_record_size = mbox_sts[4];
 844         if (crash_record_size == 0) {
 845                 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
 846                               ha->host_no, __func__));
 847                 goto exit_get_crash_record;
 848         }
 849
 850         /* Alloc Memory for Crash Record. */
 851         crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
 852                                           &crash_record_dma, GFP_KERNEL);
 853         if (crash_record == NULL)
 854                 goto exit_get_crash_record;
 855
 856         /* Get Crash Record. */
 857         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 858         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 859
 860         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 861         mbox_cmd[2] = LSDW(crash_record_dma);
 862         mbox_cmd[3] = MSDW(crash_record_dma);
 863         mbox_cmd[4] = crash_record_size;
 864
 865         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 866             QLA_SUCCESS)
 867                 goto exit_get_crash_record;
 868
 869         /* Dump Crash Record. */
 870
 871 exit_get_crash_record:
 872         if (crash_record)
 873                 dma_free_coherent(&ha->pdev->dev, crash_record_size,
 874                                   crash_record, crash_record_dma);
 875 }
 876
 877 /**
 878  * qla4xxx_get_conn_event_log - retrieves connection event log
 879  * @ha: Pointer to host adapter structure.
 880  **/
 881 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 882 {
 883         uint32_t mbox_cmd[MBOX_REG_COUNT];
 884         uint32_t mbox_sts[MBOX_REG_COUNT];
 885         struct conn_event_log_entry *event_log = NULL;
 886         dma_addr_t event_log_dma = 0;
 887         uint32_t event_log_size = 0;
 888         uint32_t num_valid_entries;
 889         uint32_t      oldest_entry = 0;
 890         uint32_t        max_event_log_entries;
 891         uint8_t         i;
 892
 893         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 894         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 895
 896         /* Get size of crash record. */
 897         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 898
 899         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 900             QLA_SUCCESS)
 901                 goto exit_get_event_log;
 902
 903         event_log_size = mbox_sts[4];
 904         if (event_log_size == 0)
 905                 goto exit_get_event_log;
 906
 907         /* Alloc Memory for Crash Record. */
 908         event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
 909                                        &event_log_dma, GFP_KERNEL);
 910         if (event_log == NULL)
 911                 goto exit_get_event_log;
 912
 913         /* Get Crash Record. */
 914         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 915         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 916
 917         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 918         mbox_cmd[2] = LSDW(event_log_dma);
 919         mbox_cmd[3] = MSDW(event_log_dma);
 920
 921         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 922             QLA_SUCCESS) {
 923                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
 924                               "log!\n", ha->host_no, __func__));
 925                 goto exit_get_event_log;
 926         }
 927
 928         /* Dump Event Log. */
 929         num_valid_entries = mbox_sts[1];
 930
 931         max_event_log_entries = event_log_size /
 932                 sizeof(struct conn_event_log_entry);
 933
 934         if (num_valid_entries > max_event_log_entries)
 935                 oldest_entry = num_valid_entries % max_event_log_entries;
 936
 937         DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 938                       ha->host_no, num_valid_entries));
 939
 940         if (ql4xextended_error_logging == 3) {
 941                 if (oldest_entry == 0) {
 942                         /* Circular Buffer has not wrapped around */
 943                         for (i=0; i < num_valid_entries; i++) {
 944                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 945                                                     (i*sizeof(*event_log)),
 946                                                     sizeof(*event_log));
 947                         }
 948                 }
 949                 else {
 950                         /* Circular Buffer has wrapped around -
 951                          * display accordingly*/
 952                         for (i=oldest_entry; i < max_event_log_entries; i++) {
 953                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 954                                                     (i*sizeof(*event_log)),
 955                                                     sizeof(*event_log));
 956                         }
 957                         for (i=0; i < oldest_entry; i++) {
 958                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 959                                                     (i*sizeof(*event_log)),
 960                                                     sizeof(*event_log));
 961                         }
 962                 }
 963         }
 964
 965 exit_get_event_log:
 966         if (event_log)
 967                 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
 968                                   event_log_dma);
 969 }
 970
 971 /**
 972  * qla4xxx_abort_task - issues Abort Task
 973  * @ha: Pointer to host adapter structure.
 974  * @srb: Pointer to srb entry
 975  *
 976  * This routine performs a LUN RESET on the specified target/lun.
 977  * The caller must ensure that the ddb_entry and lun_entry pointers
 978  * are valid before calling this routine.
 979  **/
 980 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
 981 {
 982         uint32_t mbox_cmd[MBOX_REG_COUNT];
 983         uint32_t mbox_sts[MBOX_REG_COUNT];
 984         struct scsi_cmnd *cmd = srb->cmd;
 985         int status = QLA_SUCCESS;
 986         unsigned long flags = 0;
 987         uint32_t index;
 988
 989         /*
 990          * Send abort task command to ISP, so that the ISP will return
 991          * request with ABORT status
 992          */
 993         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 994         memset(&mbox_sts, 0, sizeof(mbox_sts));
 995
 996         spin_lock_irqsave(&ha->hardware_lock, flags);
 997         index = (unsigned long)(unsigned char *)cmd->host_scribble;
 998         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 999
1000         /* Firmware already posted completion on response queue */
1001         if (index == MAX_SRBS)
1002                 return status;
1003
1004         mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1005         mbox_cmd[1] = srb->ddb->fw_ddb_index;
1006         mbox_cmd[2] = index;
1007         /* Immediate Command Enable */
1008         mbox_cmd[5] = 0x01;
1009
1010         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1011             &mbox_sts[0]);
1012         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1013                 status = QLA_ERROR;
1014
1015                 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
1016                     "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1017                     ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1018                     mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1019         }
1020
1021         return status;
1022 }
1023
1024 /**
1025  * qla4xxx_reset_lun - issues LUN Reset
1026  * @ha: Pointer to host adapter structure.
1027  * @ddb_entry: Pointer to device database entry
1028  * @lun: lun number
1029  *
1030  * This routine performs a LUN RESET on the specified target/lun.
1031  * The caller must ensure that the ddb_entry and lun_entry pointers
1032  * are valid before calling this routine.
1033  **/
1034 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1035                       int lun)
1036 {
1037         uint32_t mbox_cmd[MBOX_REG_COUNT];
1038         uint32_t mbox_sts[MBOX_REG_COUNT];
1039         int status = QLA_SUCCESS;
1040
1041         DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1042                       ddb_entry->fw_ddb_index, lun));
1043
1044         /*
1045          * Send lun reset command to ISP, so that the ISP will return all
1046          * outstanding requests with RESET status
1047          */
1048         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1049         memset(&mbox_sts, 0, sizeof(mbox_sts));
1050
1051         mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1052         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1053         mbox_cmd[2] = lun << 8;
1054         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1055
1056         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1057         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1058             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1059                 status = QLA_ERROR;
1060
1061         return status;
1062 }
1063
1064 /**
1065  * qla4xxx_reset_target - issues target Reset
1066  * @ha: Pointer to host adapter structure.
1067  * @db_entry: Pointer to device database entry
1068  * @un_entry: Pointer to lun entry structure
1069  *
1070  * This routine performs a TARGET RESET on the specified target.
1071  * The caller must ensure that the ddb_entry pointers
1072  * are valid before calling this routine.
1073  **/
1074 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1075                          struct ddb_entry *ddb_entry)
1076 {
1077         uint32_t mbox_cmd[MBOX_REG_COUNT];
1078         uint32_t mbox_sts[MBOX_REG_COUNT];
1079         int status = QLA_SUCCESS;
1080
1081         DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1082                       ddb_entry->fw_ddb_index));
1083
1084         /*
1085          * Send target reset command to ISP, so that the ISP will return all
1086          * outstanding requests with RESET status
1087          */
1088         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1089         memset(&mbox_sts, 0, sizeof(mbox_sts));
1090
1091         mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1092         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1093         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1094
1095         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1096                                 &mbox_sts[0]);
1097         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1098             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1099                 status = QLA_ERROR;
1100
1101         return status;
1102 }
1103
1104 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1105                       uint32_t offset, uint32_t len)
1106 {
1107         uint32_t mbox_cmd[MBOX_REG_COUNT];
1108         uint32_t mbox_sts[MBOX_REG_COUNT];
1109
1110         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1111         memset(&mbox_sts, 0, sizeof(mbox_sts));
1112
1113         mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1114         mbox_cmd[1] = LSDW(dma_addr);
1115         mbox_cmd[2] = MSDW(dma_addr);
1116         mbox_cmd[3] = offset;
1117         mbox_cmd[4] = len;
1118
1119         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1120             QLA_SUCCESS) {
1121                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1122                     "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1123                     __func__, mbox_sts[0], mbox_sts[1], offset, len));
1124                 return QLA_ERROR;
1125         }
1126         return QLA_SUCCESS;
1127 }
1128
1129 /**
1130  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1131  * @ha: Pointer to host adapter structure.
1132  *
1133  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1134  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1135  * those mailboxes, if unused.
1136  **/
1137 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1138 {
1139         struct about_fw_info *about_fw = NULL;
1140         dma_addr_t about_fw_dma;
1141         uint32_t mbox_cmd[MBOX_REG_COUNT];
1142         uint32_t mbox_sts[MBOX_REG_COUNT];
1143         int status = QLA_ERROR;
1144
1145         about_fw = dma_alloc_coherent(&ha->pdev->dev,
1146                                       sizeof(struct about_fw_info),
1147                                       &about_fw_dma, GFP_KERNEL);
1148         if (!about_fw) {
1149                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1150                                   "for about_fw\n", __func__));
1151                 return status;
1152         }
1153
1154         memset(about_fw, 0, sizeof(struct about_fw_info));
1155         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1156         memset(&mbox_sts, 0, sizeof(mbox_sts));
1157
1158         mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1159         mbox_cmd[2] = LSDW(about_fw_dma);
1160         mbox_cmd[3] = MSDW(about_fw_dma);
1161         mbox_cmd[4] = sizeof(struct about_fw_info);
1162
1163         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1164                                          &mbox_cmd[0], &mbox_sts[0]);
1165         if (status != QLA_SUCCESS) {
1166                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1167                                   "failed w/ status %04X\n", __func__,
1168                                   mbox_sts[0]));
1169                 goto exit_about_fw;
1170         }
1171
1172         /* Save version information. */
1173         ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1174         ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1175         ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1176         ha->build_number = le16_to_cpu(about_fw->fw_build);
1177         ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1178         ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1179         ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1180         ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1181         ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1182         ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1183         status = QLA_SUCCESS;
1184
1185 exit_about_fw:
1186         dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1187                           about_fw, about_fw_dma);
1188         return status;
1189 }
1190
1191 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1192                                    dma_addr_t dma_addr)
1193 {
1194         uint32_t mbox_cmd[MBOX_REG_COUNT];
1195         uint32_t mbox_sts[MBOX_REG_COUNT];
1196
1197         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1198         memset(&mbox_sts, 0, sizeof(mbox_sts));
1199
1200         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1201         mbox_cmd[1] = options;
1202         mbox_cmd[2] = LSDW(dma_addr);
1203         mbox_cmd[3] = MSDW(dma_addr);
1204
1205         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1206             QLA_SUCCESS) {
1207                 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1208                      ha->host_no, __func__, mbox_sts[0]));
1209                 return QLA_ERROR;
1210         }
1211         return QLA_SUCCESS;
1212 }
1213
1214 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1215                           uint32_t *mbx_sts)
1216 {
1217         int status;
1218         uint32_t mbox_cmd[MBOX_REG_COUNT];
1219         uint32_t mbox_sts[MBOX_REG_COUNT];
1220
1221         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1222         memset(&mbox_sts, 0, sizeof(mbox_sts));
1223
1224         mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1225         mbox_cmd[1] = ddb_index;
1226
1227         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1228                                          &mbox_sts[0]);
1229         if (status != QLA_SUCCESS) {
1230                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1231                                    __func__, mbox_sts[0]));
1232         }
1233
1234         *mbx_sts = mbox_sts[0];
1235         return status;
1236 }
1237
1238 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1239 {
1240         int status;
1241         uint32_t mbox_cmd[MBOX_REG_COUNT];
1242         uint32_t mbox_sts[MBOX_REG_COUNT];
1243
1244         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1245         memset(&mbox_sts, 0, sizeof(mbox_sts));
1246
1247         mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1248         mbox_cmd[1] = ddb_index;
1249
1250         status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1251                                          &mbox_sts[0]);
1252         if (status != QLA_SUCCESS) {
1253                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1254                                    __func__, mbox_sts[0]));
1255         }
1256
1257         return status;
1258 }
1259
1260 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1261                       uint32_t offset, uint32_t length, uint32_t options)
1262 {
1263         uint32_t mbox_cmd[MBOX_REG_COUNT];
1264         uint32_t mbox_sts[MBOX_REG_COUNT];
1265         int status = QLA_SUCCESS;
1266
1267         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1268         memset(&mbox_sts, 0, sizeof(mbox_sts));
1269
1270         mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1271         mbox_cmd[1] = LSDW(dma_addr);
1272         mbox_cmd[2] = MSDW(dma_addr);
1273         mbox_cmd[3] = offset;
1274         mbox_cmd[4] = length;
1275         mbox_cmd[5] = options;
1276
1277         status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1278         if (status != QLA_SUCCESS) {
1279                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1280                                   "failed w/ status %04X, mbx1 %04X\n",
1281                                   __func__, mbox_sts[0], mbox_sts[1]));
1282         }
1283         return status;
1284 }
1285
1286 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1287                             struct dev_db_entry *fw_ddb_entry,
1288                             dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1289 {
1290         uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1291         uint32_t dev_db_end_offset;
1292         int status = QLA_ERROR;
1293
1294         memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1295
1296         dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1297         dev_db_end_offset = FLASH_OFFSET_DB_END;
1298
1299         if (dev_db_start_offset > dev_db_end_offset) {
1300                 DEBUG2(ql4_printk(KERN_ERR, ha,
1301                                   "%s:Invalid DDB index %d", __func__,
1302                                   ddb_index));
1303                 goto exit_bootdb_failed;
1304         }
1305
1306         if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1307                               sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1308                 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1309                            "failed\n", ha->host_no, __func__);
1310                 goto exit_bootdb_failed;
1311         }
1312
1313         if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1314                 status = QLA_SUCCESS;
1315
1316 exit_bootdb_failed:
1317         return status;
1318 }
1319
1320 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1321                      uint16_t idx)
1322 {
1323         int ret = 0;
1324         int rval = QLA_ERROR;
1325         uint32_t offset = 0, chap_size;
1326         struct ql4_chap_table *chap_table;
1327         dma_addr_t chap_dma;
1328
1329         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1330         if (chap_table == NULL) {
1331                 ret = -ENOMEM;
1332                 goto exit_get_chap;
1333         }
1334
1335         chap_size = sizeof(struct ql4_chap_table);
1336         memset(chap_table, 0, chap_size);
1337
1338         if (is_qla40XX(ha))
1339                 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1340         else {
1341                 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1342                 /* flt_chap_size is CHAP table size for both ports
1343                  * so divide it by 2 to calculate the offset for second port
1344                  */
1345                 if (ha->port_num == 1)
1346                         offset += (ha->hw.flt_chap_size / 2);
1347                 offset += (idx * chap_size);
1348         }
1349
1350         rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1351         if (rval != QLA_SUCCESS) {
1352                 ret = -EINVAL;
1353                 goto exit_get_chap;
1354         }
1355
1356         DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1357                 __le16_to_cpu(chap_table->cookie)));
1358
1359         if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1360                 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1361                 goto exit_get_chap;
1362         }
1363
1364         strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1365         strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1366         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1367
1368 exit_get_chap:
1369         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1370         return ret;
1371 }
1372
1373 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1374                             char *password, uint16_t idx, int bidi)
1375 {
1376         int ret = 0;
1377         int rval = QLA_ERROR;
1378         uint32_t offset = 0;
1379         struct ql4_chap_table *chap_table;
1380         dma_addr_t chap_dma;
1381
1382         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1383         if (chap_table == NULL) {
1384                 ret =  -ENOMEM;
1385                 goto exit_set_chap;
1386         }
1387
1388         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1389         if (bidi)
1390                 chap_table->flags |= BIT_6; /* peer */
1391         else
1392                 chap_table->flags |= BIT_7; /* local */
1393         chap_table->secret_len = strlen(password);
1394         strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1395         strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1396         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1397         offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
1398         rval = qla4xxx_set_flash(ha, chap_dma, offset,
1399                                 sizeof(struct ql4_chap_table),
1400                                 FLASH_OPT_RMW_COMMIT);
1401
1402         if (rval == QLA_SUCCESS && ha->chap_list) {
1403                 /* Update ha chap_list cache */
1404                 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1405                        chap_table, sizeof(struct ql4_chap_table));
1406         }
1407         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1408         if (rval != QLA_SUCCESS)
1409                 ret =  -EINVAL;
1410
1411 exit_set_chap:
1412         return ret;
1413 }
1414
1415 /**
1416  * qla4xxx_get_chap_index - Get chap index given username and secret
1417  * @ha: pointer to adapter structure
1418  * @username: CHAP username to be searched
1419  * @password: CHAP password to be searched
1420  * @bidi: Is this a BIDI CHAP
1421  * @chap_index: CHAP index to be returned
1422  *
1423  * Match the username and password in the chap_list, return the index if a
1424  * match is found. If a match is not found then add the entry in FLASH and
1425  * return the index at which entry is written in the FLASH.
1426  **/
1427 static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1428                             char *password, int bidi, uint16_t *chap_index)
1429 {
1430         int i, rval;
1431         int free_index = -1;
1432         int found_index = 0;
1433         int max_chap_entries = 0;
1434         struct ql4_chap_table *chap_table;
1435
1436         if (is_qla8022(ha))
1437                 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1438                                                 sizeof(struct ql4_chap_table);
1439         else
1440                 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1441
1442         if (!ha->chap_list) {
1443                 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1444                 return QLA_ERROR;
1445         }
1446
1447         mutex_lock(&ha->chap_sem);
1448         for (i = 0; i < max_chap_entries; i++) {
1449                 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1450                 if (chap_table->cookie !=
1451                     __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1452                         if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1453                                 free_index = i;
1454                         continue;
1455                 }
1456                 if (bidi) {
1457                         if (chap_table->flags & BIT_7)
1458                                 continue;
1459                 } else {
1460                         if (chap_table->flags & BIT_6)
1461                                 continue;
1462                 }
1463                 if (!strncmp(chap_table->secret, password,
1464                              MAX_CHAP_SECRET_LEN) &&
1465                     !strncmp(chap_table->name, username,
1466                              MAX_CHAP_NAME_LEN)) {
1467                         *chap_index = i;
1468                         found_index = 1;
1469                         break;
1470                 }
1471         }
1472
1473         /* If chap entry is not present and a free index is available then
1474          * write the entry in flash
1475          */
1476         if (!found_index && free_index != -1) {
1477                 rval = qla4xxx_set_chap(ha, username, password,
1478                                         free_index, bidi);
1479                 if (!rval) {
1480                         *chap_index = free_index;
1481                         found_index = 1;
1482                 }
1483         }
1484
1485         mutex_unlock(&ha->chap_sem);
1486
1487         if (found_index)
1488                 return QLA_SUCCESS;
1489         return QLA_ERROR;
1490 }
1491
1492 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1493                                    uint16_t fw_ddb_index,
1494                                    uint16_t connection_id,
1495                                    uint16_t option)
1496 {
1497         uint32_t mbox_cmd[MBOX_REG_COUNT];
1498         uint32_t mbox_sts[MBOX_REG_COUNT];
1499         int status = QLA_SUCCESS;
1500
1501         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1502         memset(&mbox_sts, 0, sizeof(mbox_sts));
1503
1504         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1505         mbox_cmd[1] = fw_ddb_index;
1506         mbox_cmd[2] = connection_id;
1507         mbox_cmd[3] = option;
1508
1509         status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1510         if (status != QLA_SUCCESS) {
1511                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1512                                   "option %04x failed w/ status %04X %04X\n",
1513                                   __func__, option, mbox_sts[0], mbox_sts[1]));
1514         }
1515         return status;
1516 }
1517
1518 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1519 {
1520         uint32_t mbox_cmd[MBOX_REG_COUNT];
1521         uint32_t mbox_sts[MBOX_REG_COUNT];
1522         int status = QLA_SUCCESS;
1523
1524         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1525         memset(&mbox_sts, 0, sizeof(mbox_sts));
1526
1527         mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1528
1529         status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1530         if (status != QLA_SUCCESS) {
1531                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1532                                   "failed w/ status %04X %04X %04X", __func__,
1533                                   mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1534         }
1535         return status;
1536 }
1537
1538 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1539                     uint32_t acb_type, uint32_t len)
1540 {
1541         uint32_t mbox_cmd[MBOX_REG_COUNT];
1542         uint32_t mbox_sts[MBOX_REG_COUNT];
1543         int status = QLA_SUCCESS;
1544
1545         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1546         memset(&mbox_sts, 0, sizeof(mbox_sts));
1547
1548         mbox_cmd[0] = MBOX_CMD_GET_ACB;
1549         mbox_cmd[1] = acb_type;
1550         mbox_cmd[2] = LSDW(acb_dma);
1551         mbox_cmd[3] = MSDW(acb_dma);
1552         mbox_cmd[4] = len;
1553
1554         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1555         if (status != QLA_SUCCESS) {
1556                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1557                                   "failed w/ status %04X\n", __func__,
1558                                   mbox_sts[0]));
1559         }
1560         return status;
1561 }
1562
1563 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1564                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1565 {
1566         int status = QLA_SUCCESS;
1567
1568         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1569         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1570         mbox_cmd[0] = MBOX_CMD_SET_ACB;
1571         mbox_cmd[1] = 0; /* Primary ACB */
1572         mbox_cmd[2] = LSDW(acb_dma);
1573         mbox_cmd[3] = MSDW(acb_dma);
1574         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1575
1576         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1577         if (status != QLA_SUCCESS) {
1578                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1579                                   "failed w/ status %04X\n", __func__,
1580                                   mbox_sts[0]));
1581         }
1582         return status;
1583 }
1584
1585 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1586                                struct ddb_entry *ddb_entry,
1587                                struct iscsi_cls_conn *cls_conn,
1588                                uint32_t *mbx_sts)
1589 {
1590         struct dev_db_entry *fw_ddb_entry;
1591         struct iscsi_conn *conn;
1592         struct iscsi_session *sess;
1593         struct qla_conn *qla_conn;
1594         struct sockaddr *dst_addr;
1595         dma_addr_t fw_ddb_entry_dma;
1596         int status = QLA_SUCCESS;
1597         int rval = 0;
1598         struct sockaddr_in *addr;
1599         struct sockaddr_in6 *addr6;
1600         char *ip;
1601         uint16_t iscsi_opts = 0;
1602         uint32_t options = 0;
1603         uint16_t idx;
1604
1605         fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1606                                           &fw_ddb_entry_dma, GFP_KERNEL);
1607         if (!fw_ddb_entry) {
1608                 DEBUG2(ql4_printk(KERN_ERR, ha,
1609                                   "%s: Unable to allocate dma buffer.\n",
1610                                   __func__));
1611                 rval = -ENOMEM;
1612                 goto exit_set_param_no_free;
1613         }
1614
1615         conn = cls_conn->dd_data;
1616         qla_conn = conn->dd_data;
1617         sess = conn->session;
1618         dst_addr = &qla_conn->qla_ep->dst_addr;
1619
1620         if (dst_addr->sa_family == AF_INET6)
1621                 options |= IPV6_DEFAULT_DDB_ENTRY;
1622
1623         status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1624         if (status == QLA_ERROR) {
1625                 rval = -EINVAL;
1626                 goto exit_set_param;
1627         }
1628
1629         iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1630         memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1631
1632         memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1633
1634         if (sess->targetname != NULL) {
1635                 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1636                        min(strlen(sess->targetname),
1637                        sizeof(fw_ddb_entry->iscsi_name)));
1638         }
1639
1640         memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1641         memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1642
1643         fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1644
1645         if (dst_addr->sa_family == AF_INET) {
1646                 addr = (struct sockaddr_in *)dst_addr;
1647                 ip = (char *)&addr->sin_addr;
1648                 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1649                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1650                 DEBUG2(ql4_printk(KERN_INFO, ha,
1651                                   "%s: Destination Address [%pI4]: index [%d]\n",
1652                                    __func__, fw_ddb_entry->ip_addr,
1653                                   ddb_entry->fw_ddb_index));
1654         } else if (dst_addr->sa_family == AF_INET6) {
1655                 addr6 = (struct sockaddr_in6 *)dst_addr;
1656                 ip = (char *)&addr6->sin6_addr;
1657                 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1658                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1659                 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1660                 DEBUG2(ql4_printk(KERN_INFO, ha,
1661                                   "%s: Destination Address [%pI6]: index [%d]\n",
1662                                    __func__, fw_ddb_entry->ip_addr,
1663                                   ddb_entry->fw_ddb_index));
1664         } else {
1665                 ql4_printk(KERN_ERR, ha,
1666                            "%s: Failed to get IP Address\n",
1667                            __func__);
1668                 rval = -EINVAL;
1669                 goto exit_set_param;
1670         }
1671
1672         /* CHAP */
1673         if (sess->username != NULL && sess->password != NULL) {
1674                 if (strlen(sess->username) && strlen(sess->password)) {
1675                         iscsi_opts |= BIT_7;
1676
1677                         rval = qla4xxx_get_chap_index(ha, sess->username,
1678                                                 sess->password,
1679                                                 LOCAL_CHAP, &idx);
1680                         if (rval)
1681                                 goto exit_set_param;
1682
1683                         fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1684                 }
1685         }
1686
1687         if (sess->username_in != NULL && sess->password_in != NULL) {
1688                 /* Check if BIDI CHAP */
1689                 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1690                         iscsi_opts |= BIT_4;
1691
1692                         rval = qla4xxx_get_chap_index(ha, sess->username_in,
1693                                                       sess->password_in,
1694                                                       BIDI_CHAP, &idx);
1695                         if (rval)
1696                                 goto exit_set_param;
1697                 }
1698         }
1699
1700         if (sess->initial_r2t_en)
1701                 iscsi_opts |= BIT_10;
1702
1703         if (sess->imm_data_en)
1704                 iscsi_opts |= BIT_11;
1705
1706         fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1707
1708         if (conn->max_recv_dlength)
1709                 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1710                   __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1711
1712         if (sess->max_r2t)
1713                 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1714
1715         if (sess->first_burst)
1716                 fw_ddb_entry->iscsi_first_burst_len =
1717                        __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1718
1719         if (sess->max_burst)
1720                 fw_ddb_entry->iscsi_max_burst_len =
1721                         __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1722
1723         if (sess->time2wait)
1724                 fw_ddb_entry->iscsi_def_time2wait =
1725                         cpu_to_le16(sess->time2wait);
1726
1727         if (sess->time2retain)
1728                 fw_ddb_entry->iscsi_def_time2retain =
1729                         cpu_to_le16(sess->time2retain);
1730
1731         status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1732                                        fw_ddb_entry_dma, mbx_sts);
1733
1734         if (status != QLA_SUCCESS)
1735                 rval = -EINVAL;
1736 exit_set_param:
1737         dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1738                           fw_ddb_entry, fw_ddb_entry_dma);
1739 exit_set_param_no_free:
1740         return rval;
1741 }
1742
1743 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1744                           uint16_t stats_size, dma_addr_t stats_dma)
1745 {
1746         int status = QLA_SUCCESS;
1747         uint32_t mbox_cmd[MBOX_REG_COUNT];
1748         uint32_t mbox_sts[MBOX_REG_COUNT];
1749
1750         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1751         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1752         mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1753         mbox_cmd[1] = fw_ddb_index;
1754         mbox_cmd[2] = LSDW(stats_dma);
1755         mbox_cmd[3] = MSDW(stats_dma);
1756         mbox_cmd[4] = stats_size;
1757
1758         status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1759         if (status != QLA_SUCCESS) {
1760                 DEBUG2(ql4_printk(KERN_WARNING, ha,
1761                                   "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1762                                   "failed w/ status %04X\n", __func__,
1763                                   mbox_sts[0]));
1764         }
1765         return status;
1766 }
1767
1768 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1769                          uint32_t ip_idx, uint32_t *sts)
1770 {
1771         uint32_t mbox_cmd[MBOX_REG_COUNT];
1772         uint32_t mbox_sts[MBOX_REG_COUNT];
1773         int status = QLA_SUCCESS;
1774
1775         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1776         memset(&mbox_sts, 0, sizeof(mbox_sts));
1777         mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1778         mbox_cmd[1] = acb_idx;
1779         mbox_cmd[2] = ip_idx;
1780
1781         status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1782         if (status != QLA_SUCCESS) {
1783                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
1784                                   "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1785                                   "status %04X\n", __func__, mbox_sts[0]));
1786         }
1787         memcpy(sts, mbox_sts, sizeof(mbox_sts));
1788         return status;
1789 }
1790
1791 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1792                       uint32_t offset, uint32_t size)
1793 {
1794         int status = QLA_SUCCESS;
1795         uint32_t mbox_cmd[MBOX_REG_COUNT];
1796         uint32_t mbox_sts[MBOX_REG_COUNT];
1797
1798         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1799         memset(&mbox_sts, 0, sizeof(mbox_sts));
1800
1801         mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1802         mbox_cmd[1] = LSDW(nvram_dma);
1803         mbox_cmd[2] = MSDW(nvram_dma);
1804         mbox_cmd[3] = offset;
1805         mbox_cmd[4] = size;
1806
1807         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1808                                          &mbox_sts[0]);
1809         if (status != QLA_SUCCESS) {
1810                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1811                                   "status %04X\n", ha->host_no, __func__,
1812                                   mbox_sts[0]));
1813         }
1814         return status;
1815 }
1816
1817 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1818                       uint32_t offset, uint32_t size)
1819 {
1820         int status = QLA_SUCCESS;
1821         uint32_t mbox_cmd[MBOX_REG_COUNT];
1822         uint32_t mbox_sts[MBOX_REG_COUNT];
1823
1824         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1825         memset(&mbox_sts, 0, sizeof(mbox_sts));
1826
1827         mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1828         mbox_cmd[1] = LSDW(nvram_dma);
1829         mbox_cmd[2] = MSDW(nvram_dma);
1830         mbox_cmd[3] = offset;
1831         mbox_cmd[4] = size;
1832
1833         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1834                                          &mbox_sts[0]);
1835         if (status != QLA_SUCCESS) {
1836                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1837                                   "status %04X\n", ha->host_no, __func__,
1838                                   mbox_sts[0]));
1839         }
1840         return status;
1841 }
1842
1843 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
1844                                      uint32_t region, uint32_t field0,
1845                                      uint32_t field1)
1846 {
1847         int status = QLA_SUCCESS;
1848         uint32_t mbox_cmd[MBOX_REG_COUNT];
1849         uint32_t mbox_sts[MBOX_REG_COUNT];
1850
1851         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1852         memset(&mbox_sts, 0, sizeof(mbox_sts));
1853
1854         mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
1855         mbox_cmd[3] = region;
1856         mbox_cmd[4] = field0;
1857         mbox_cmd[5] = field1;
1858
1859         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
1860                                          &mbox_sts[0]);
1861         if (status != QLA_SUCCESS) {
1862                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1863                                   "status %04X\n", ha->host_no, __func__,
1864                                   mbox_sts[0]));
1865         }
1866         return status;
1867 }