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         if (fw_ddb_entry)
 665                 memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry));
 666
 667         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
 668         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 669         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 670         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 671         mbox_cmd[4] = sizeof(struct dev_db_entry);
 672
 673         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
 674             QLA_ERROR) {
 675                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
 676                               " with status 0x%04X\n", ha->host_no, __func__,
 677                               mbox_sts[0]));
 678                 goto exit_get_fwddb;
 679         }
 680         if (fw_ddb_index != mbox_sts[1]) {
 681                 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
 682                               ha->host_no, __func__, fw_ddb_index,
 683                               mbox_sts[1]));
 684                 goto exit_get_fwddb;
 685         }
 686         if (fw_ddb_entry) {
 687                 options = le16_to_cpu(fw_ddb_entry->options);
 688                 if (options & DDB_OPT_IPV6_DEVICE) {
 689                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 690                                 "Next %d State %04x ConnErr %08x %pI6 "
 691                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 692                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 693                                 mbox_sts[4], mbox_sts[5],
 694                                 fw_ddb_entry->ip_addr,
 695                                 le16_to_cpu(fw_ddb_entry->port),
 696                                 fw_ddb_entry->iscsi_name);
 697                 } else {
 698                         ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
 699                                 "Next %d State %04x ConnErr %08x %pI4 "
 700                                 ":%04d \"%s\"\n", __func__, fw_ddb_index,
 701                                 mbox_sts[0], mbox_sts[2], mbox_sts[3],
 702                                 mbox_sts[4], mbox_sts[5],
 703                                 fw_ddb_entry->ip_addr,
 704                                 le16_to_cpu(fw_ddb_entry->port),
 705                                 fw_ddb_entry->iscsi_name);
 706                 }
 707         }
 708         if (num_valid_ddb_entries)
 709                 *num_valid_ddb_entries = mbox_sts[2];
 710         if (next_ddb_index)
 711                 *next_ddb_index = mbox_sts[3];
 712         if (fw_ddb_device_state)
 713                 *fw_ddb_device_state = mbox_sts[4];
 714
 715         /*
 716          * RA: This mailbox has been changed to pass connection error and
 717          * details.  Its true for ISP4010 as per Version E - Not sure when it
 718          * was changed.  Get the time2wait from the fw_dd_entry field :
 719          * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
 720          * struct.
 721          */
 722         if (conn_err_detail)
 723                 *conn_err_detail = mbox_sts[5];
 724         if (tcp_source_port_num)
 725                 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 726         if (connection_id)
 727                 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 728         status = QLA_SUCCESS;
 729
 730 exit_get_fwddb:
 731         return status;
 732 }
 733
 734 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
 735 {
 736         uint32_t mbox_cmd[MBOX_REG_COUNT];
 737         uint32_t mbox_sts[MBOX_REG_COUNT];
 738         int status;
 739
 740         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 741         memset(&mbox_sts, 0, sizeof(mbox_sts));
 742
 743         mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
 744         mbox_cmd[1] = fw_ddb_index;
 745
 746         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 747                                          &mbox_sts[0]);
 748         DEBUG2(ql4_printk(KERN_INFO, ha,
 749                           "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
 750                           __func__, status, mbox_sts[0], mbox_sts[1]));
 751         return status;
 752 }
 753
 754 /**
 755  * qla4xxx_set_fwddb_entry - sets a ddb entry.
 756  * @ha: Pointer to host adapter structure.
 757  * @fw_ddb_index: Firmware's device database index
 758  * @fw_ddb_entry_dma: dma address of ddb entry
 759  * @mbx_sts: mailbox 0 to be returned or NULL
 760  *
 761  * This routine initializes or updates the adapter's device database
 762  * entry for the specified device.
 763  **/
 764 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 765                           dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 766 {
 767         uint32_t mbox_cmd[MBOX_REG_COUNT];
 768         uint32_t mbox_sts[MBOX_REG_COUNT];
 769         int status;
 770
 771         /* Do not wait for completion. The firmware will send us an
 772          * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
 773          */
 774         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 775         memset(&mbox_sts, 0, sizeof(mbox_sts));
 776
 777         mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
 778         mbox_cmd[1] = (uint32_t) fw_ddb_index;
 779         mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
 780         mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
 781         mbox_cmd[4] = sizeof(struct dev_db_entry);
 782
 783         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
 784                                          &mbox_sts[0]);
 785         if (mbx_sts)
 786                 *mbx_sts = mbox_sts[0];
 787         DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 788             ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 789
 790         return status;
 791 }
 792
 793 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
 794                                struct ddb_entry *ddb_entry, int options)
 795 {
 796         int status;
 797         uint32_t mbox_cmd[MBOX_REG_COUNT];
 798         uint32_t mbox_sts[MBOX_REG_COUNT];
 799
 800         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 801         memset(&mbox_sts, 0, sizeof(mbox_sts));
 802
 803         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
 804         mbox_cmd[1] = ddb_entry->fw_ddb_index;
 805         mbox_cmd[3] = options;
 806
 807         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
 808                                          &mbox_sts[0]);
 809         if (status != QLA_SUCCESS) {
 810                 DEBUG2(ql4_printk(KERN_INFO, ha,
 811                                   "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
 812                                   "failed sts %04X %04X", __func__,
 813                                   mbox_sts[0], mbox_sts[1]));
 814         }
 815
 816         return status;
 817 }
 818
 819 /**
 820  * qla4xxx_get_crash_record - retrieves crash record.
 821  * @ha: Pointer to host adapter structure.
 822  *
 823  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
 824  **/
 825 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
 826 {
 827         uint32_t mbox_cmd[MBOX_REG_COUNT];
 828         uint32_t mbox_sts[MBOX_REG_COUNT];
 829         struct crash_record *crash_record = NULL;
 830         dma_addr_t crash_record_dma = 0;
 831         uint32_t crash_record_size = 0;
 832
 833         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 834         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 835
 836         /* Get size of crash record. */
 837         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 838
 839         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 840             QLA_SUCCESS) {
 841                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
 842                               ha->host_no, __func__));
 843                 goto exit_get_crash_record;
 844         }
 845         crash_record_size = mbox_sts[4];
 846         if (crash_record_size == 0) {
 847                 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
 848                               ha->host_no, __func__));
 849                 goto exit_get_crash_record;
 850         }
 851
 852         /* Alloc Memory for Crash Record. */
 853         crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
 854                                           &crash_record_dma, GFP_KERNEL);
 855         if (crash_record == NULL)
 856                 goto exit_get_crash_record;
 857
 858         /* Get Crash Record. */
 859         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 860         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 861
 862         mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
 863         mbox_cmd[2] = LSDW(crash_record_dma);
 864         mbox_cmd[3] = MSDW(crash_record_dma);
 865         mbox_cmd[4] = crash_record_size;
 866
 867         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 868             QLA_SUCCESS)
 869                 goto exit_get_crash_record;
 870
 871         /* Dump Crash Record. */
 872
 873 exit_get_crash_record:
 874         if (crash_record)
 875                 dma_free_coherent(&ha->pdev->dev, crash_record_size,
 876                                   crash_record, crash_record_dma);
 877 }
 878
 879 /**
 880  * qla4xxx_get_conn_event_log - retrieves connection event log
 881  * @ha: Pointer to host adapter structure.
 882  **/
 883 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 884 {
 885         uint32_t mbox_cmd[MBOX_REG_COUNT];
 886         uint32_t mbox_sts[MBOX_REG_COUNT];
 887         struct conn_event_log_entry *event_log = NULL;
 888         dma_addr_t event_log_dma = 0;
 889         uint32_t event_log_size = 0;
 890         uint32_t num_valid_entries;
 891         uint32_t      oldest_entry = 0;
 892         uint32_t        max_event_log_entries;
 893         uint8_t         i;
 894
 895         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 896         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 897
 898         /* Get size of crash record. */
 899         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 900
 901         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 902             QLA_SUCCESS)
 903                 goto exit_get_event_log;
 904
 905         event_log_size = mbox_sts[4];
 906         if (event_log_size == 0)
 907                 goto exit_get_event_log;
 908
 909         /* Alloc Memory for Crash Record. */
 910         event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
 911                                        &event_log_dma, GFP_KERNEL);
 912         if (event_log == NULL)
 913                 goto exit_get_event_log;
 914
 915         /* Get Crash Record. */
 916         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 917         memset(&mbox_sts, 0, sizeof(mbox_cmd));
 918
 919         mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
 920         mbox_cmd[2] = LSDW(event_log_dma);
 921         mbox_cmd[3] = MSDW(event_log_dma);
 922
 923         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
 924             QLA_SUCCESS) {
 925                 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
 926                               "log!\n", ha->host_no, __func__));
 927                 goto exit_get_event_log;
 928         }
 929
 930         /* Dump Event Log. */
 931         num_valid_entries = mbox_sts[1];
 932
 933         max_event_log_entries = event_log_size /
 934                 sizeof(struct conn_event_log_entry);
 935
 936         if (num_valid_entries > max_event_log_entries)
 937                 oldest_entry = num_valid_entries % max_event_log_entries;
 938
 939         DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 940                       ha->host_no, num_valid_entries));
 941
 942         if (ql4xextended_error_logging == 3) {
 943                 if (oldest_entry == 0) {
 944                         /* Circular Buffer has not wrapped around */
 945                         for (i=0; i < num_valid_entries; i++) {
 946                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 947                                                     (i*sizeof(*event_log)),
 948                                                     sizeof(*event_log));
 949                         }
 950                 }
 951                 else {
 952                         /* Circular Buffer has wrapped around -
 953                          * display accordingly*/
 954                         for (i=oldest_entry; i < max_event_log_entries; i++) {
 955                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 956                                                     (i*sizeof(*event_log)),
 957                                                     sizeof(*event_log));
 958                         }
 959                         for (i=0; i < oldest_entry; i++) {
 960                                 qla4xxx_dump_buffer((uint8_t *)event_log+
 961                                                     (i*sizeof(*event_log)),
 962                                                     sizeof(*event_log));
 963                         }
 964                 }
 965         }
 966
 967 exit_get_event_log:
 968         if (event_log)
 969                 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
 970                                   event_log_dma);
 971 }
 972
 973 /**
 974  * qla4xxx_abort_task - issues Abort Task
 975  * @ha: Pointer to host adapter structure.
 976  * @srb: Pointer to srb entry
 977  *
 978  * This routine performs a LUN RESET on the specified target/lun.
 979  * The caller must ensure that the ddb_entry and lun_entry pointers
 980  * are valid before calling this routine.
 981  **/
 982 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
 983 {
 984         uint32_t mbox_cmd[MBOX_REG_COUNT];
 985         uint32_t mbox_sts[MBOX_REG_COUNT];
 986         struct scsi_cmnd *cmd = srb->cmd;
 987         int status = QLA_SUCCESS;
 988         unsigned long flags = 0;
 989         uint32_t index;
 990
 991         /*
 992          * Send abort task command to ISP, so that the ISP will return
 993          * request with ABORT status
 994          */
 995         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 996         memset(&mbox_sts, 0, sizeof(mbox_sts));
 997
 998         spin_lock_irqsave(&ha->hardware_lock, flags);
 999         index = (unsigned long)(unsigned char *)cmd->host_scribble;
1000         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1001
1002         /* Firmware already posted completion on response queue */
1003         if (index == MAX_SRBS)
1004                 return status;
1005
1006         mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1007         mbox_cmd[1] = srb->ddb->fw_ddb_index;
1008         mbox_cmd[2] = index;
1009         /* Immediate Command Enable */
1010         mbox_cmd[5] = 0x01;
1011
1012         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1013             &mbox_sts[0]);
1014         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1015                 status = QLA_ERROR;
1016
1017                 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
1018                     "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1019                     ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1020                     mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1021         }
1022
1023         return status;
1024 }
1025
1026 /**
1027  * qla4xxx_reset_lun - issues LUN Reset
1028  * @ha: Pointer to host adapter structure.
1029  * @ddb_entry: Pointer to device database entry
1030  * @lun: lun number
1031  *
1032  * This routine performs a LUN RESET on the specified target/lun.
1033  * The caller must ensure that the ddb_entry and lun_entry pointers
1034  * are valid before calling this routine.
1035  **/
1036 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1037                       int lun)
1038 {
1039         uint32_t mbox_cmd[MBOX_REG_COUNT];
1040         uint32_t mbox_sts[MBOX_REG_COUNT];
1041         int status = QLA_SUCCESS;
1042
1043         DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1044                       ddb_entry->fw_ddb_index, lun));
1045
1046         /*
1047          * Send lun reset command to ISP, so that the ISP will return all
1048          * outstanding requests with RESET status
1049          */
1050         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1051         memset(&mbox_sts, 0, sizeof(mbox_sts));
1052
1053         mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1054         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1055         mbox_cmd[2] = lun << 8;
1056         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1057
1058         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1059         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1060             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1061                 status = QLA_ERROR;
1062
1063         return status;
1064 }
1065
1066 /**
1067  * qla4xxx_reset_target - issues target Reset
1068  * @ha: Pointer to host adapter structure.
1069  * @db_entry: Pointer to device database entry
1070  * @un_entry: Pointer to lun entry structure
1071  *
1072  * This routine performs a TARGET RESET on the specified target.
1073  * The caller must ensure that the ddb_entry pointers
1074  * are valid before calling this routine.
1075  **/
1076 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1077                          struct ddb_entry *ddb_entry)
1078 {
1079         uint32_t mbox_cmd[MBOX_REG_COUNT];
1080         uint32_t mbox_sts[MBOX_REG_COUNT];
1081         int status = QLA_SUCCESS;
1082
1083         DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1084                       ddb_entry->fw_ddb_index));
1085
1086         /*
1087          * Send target reset command to ISP, so that the ISP will return all
1088          * outstanding requests with RESET status
1089          */
1090         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1091         memset(&mbox_sts, 0, sizeof(mbox_sts));
1092
1093         mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1094         mbox_cmd[1] = ddb_entry->fw_ddb_index;
1095         mbox_cmd[5] = 0x01;     /* Immediate Command Enable */
1096
1097         qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1098                                 &mbox_sts[0]);
1099         if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1100             mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1101                 status = QLA_ERROR;
1102
1103         return status;
1104 }
1105
1106 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1107                       uint32_t offset, uint32_t len)
1108 {
1109         uint32_t mbox_cmd[MBOX_REG_COUNT];
1110         uint32_t mbox_sts[MBOX_REG_COUNT];
1111
1112         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1113         memset(&mbox_sts, 0, sizeof(mbox_sts));
1114
1115         mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1116         mbox_cmd[1] = LSDW(dma_addr);
1117         mbox_cmd[2] = MSDW(dma_addr);
1118         mbox_cmd[3] = offset;
1119         mbox_cmd[4] = len;
1120
1121         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1122             QLA_SUCCESS) {
1123                 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1124                     "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1125                     __func__, mbox_sts[0], mbox_sts[1], offset, len));
1126                 return QLA_ERROR;
1127         }
1128         return QLA_SUCCESS;
1129 }
1130
1131 /**
1132  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1133  * @ha: Pointer to host adapter structure.
1134  *
1135  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1136  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1137  * those mailboxes, if unused.
1138  **/
1139 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1140 {
1141         struct about_fw_info *about_fw = NULL;
1142         dma_addr_t about_fw_dma;
1143         uint32_t mbox_cmd[MBOX_REG_COUNT];
1144         uint32_t mbox_sts[MBOX_REG_COUNT];
1145         int status = QLA_ERROR;
1146
1147         about_fw = dma_alloc_coherent(&ha->pdev->dev,
1148                                       sizeof(struct about_fw_info),
1149                                       &about_fw_dma, GFP_KERNEL);
1150         if (!about_fw) {
1151                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1152                                   "for about_fw\n", __func__));
1153                 return status;
1154         }
1155
1156         memset(about_fw, 0, sizeof(struct about_fw_info));
1157         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1158         memset(&mbox_sts, 0, sizeof(mbox_sts));
1159
1160         mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1161         mbox_cmd[2] = LSDW(about_fw_dma);
1162         mbox_cmd[3] = MSDW(about_fw_dma);
1163         mbox_cmd[4] = sizeof(struct about_fw_info);
1164
1165         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1166                                          &mbox_cmd[0], &mbox_sts[0]);
1167         if (status != QLA_SUCCESS) {
1168                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1169                                   "failed w/ status %04X\n", __func__,
1170                                   mbox_sts[0]));
1171                 goto exit_about_fw;
1172         }
1173
1174         /* Save version information. */
1175         ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1176         ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1177         ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1178         ha->build_number = le16_to_cpu(about_fw->fw_build);
1179         ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1180         ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1181         ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1182         ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1183         ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1184         ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1185         status = QLA_SUCCESS;
1186
1187 exit_about_fw:
1188         dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1189                           about_fw, about_fw_dma);
1190         return status;
1191 }
1192
1193 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1194                                    dma_addr_t dma_addr)
1195 {
1196         uint32_t mbox_cmd[MBOX_REG_COUNT];
1197         uint32_t mbox_sts[MBOX_REG_COUNT];
1198
1199         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1200         memset(&mbox_sts, 0, sizeof(mbox_sts));
1201
1202         mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1203         mbox_cmd[1] = options;
1204         mbox_cmd[2] = LSDW(dma_addr);
1205         mbox_cmd[3] = MSDW(dma_addr);
1206
1207         if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1208             QLA_SUCCESS) {
1209                 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1210                      ha->host_no, __func__, mbox_sts[0]));
1211                 return QLA_ERROR;
1212         }
1213         return QLA_SUCCESS;
1214 }
1215
1216 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1217                           uint32_t *mbx_sts)
1218 {
1219         int status;
1220         uint32_t mbox_cmd[MBOX_REG_COUNT];
1221         uint32_t mbox_sts[MBOX_REG_COUNT];
1222
1223         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1224         memset(&mbox_sts, 0, sizeof(mbox_sts));
1225
1226         mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1227         mbox_cmd[1] = ddb_index;
1228
1229         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1230                                          &mbox_sts[0]);
1231         if (status != QLA_SUCCESS) {
1232                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1233                                    __func__, mbox_sts[0]));
1234         }
1235
1236         *mbx_sts = mbox_sts[0];
1237         return status;
1238 }
1239
1240 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1241 {
1242         int status;
1243         uint32_t mbox_cmd[MBOX_REG_COUNT];
1244         uint32_t mbox_sts[MBOX_REG_COUNT];
1245
1246         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1247         memset(&mbox_sts, 0, sizeof(mbox_sts));
1248
1249         mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1250         mbox_cmd[1] = ddb_index;
1251
1252         status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1253                                          &mbox_sts[0]);
1254         if (status != QLA_SUCCESS) {
1255                 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1256                                    __func__, mbox_sts[0]));
1257         }
1258
1259         return status;
1260 }
1261
1262 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1263                       uint32_t offset, uint32_t length, uint32_t options)
1264 {
1265         uint32_t mbox_cmd[MBOX_REG_COUNT];
1266         uint32_t mbox_sts[MBOX_REG_COUNT];
1267         int status = QLA_SUCCESS;
1268
1269         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1270         memset(&mbox_sts, 0, sizeof(mbox_sts));
1271
1272         mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1273         mbox_cmd[1] = LSDW(dma_addr);
1274         mbox_cmd[2] = MSDW(dma_addr);
1275         mbox_cmd[3] = offset;
1276         mbox_cmd[4] = length;
1277         mbox_cmd[5] = options;
1278
1279         status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1280         if (status != QLA_SUCCESS) {
1281                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1282                                   "failed w/ status %04X, mbx1 %04X\n",
1283                                   __func__, mbox_sts[0], mbox_sts[1]));
1284         }
1285         return status;
1286 }
1287
1288 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1289                             struct dev_db_entry *fw_ddb_entry,
1290                             dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1291 {
1292         uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1293         uint32_t dev_db_end_offset;
1294         int status = QLA_ERROR;
1295
1296         memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1297
1298         dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1299         dev_db_end_offset = FLASH_OFFSET_DB_END;
1300
1301         if (dev_db_start_offset > dev_db_end_offset) {
1302                 DEBUG2(ql4_printk(KERN_ERR, ha,
1303                                   "%s:Invalid DDB index %d", __func__,
1304                                   ddb_index));
1305                 goto exit_bootdb_failed;
1306         }
1307
1308         if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1309                               sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1310                 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1311                            "failed\n", ha->host_no, __func__);
1312                 goto exit_bootdb_failed;
1313         }
1314
1315         if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1316                 status = QLA_SUCCESS;
1317
1318 exit_bootdb_failed:
1319         return status;
1320 }
1321
1322 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1323                      uint16_t idx)
1324 {
1325         int ret = 0;
1326         int rval = QLA_ERROR;
1327         uint32_t offset = 0, chap_size;
1328         struct ql4_chap_table *chap_table;
1329         dma_addr_t chap_dma;
1330
1331         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1332         if (chap_table == NULL) {
1333                 ret = -ENOMEM;
1334                 goto exit_get_chap;
1335         }
1336
1337         chap_size = sizeof(struct ql4_chap_table);
1338         memset(chap_table, 0, chap_size);
1339
1340         if (is_qla40XX(ha))
1341                 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1342         else {
1343                 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1344                 /* flt_chap_size is CHAP table size for both ports
1345                  * so divide it by 2 to calculate the offset for second port
1346                  */
1347                 if (ha->port_num == 1)
1348                         offset += (ha->hw.flt_chap_size / 2);
1349                 offset += (idx * chap_size);
1350         }
1351
1352         rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1353         if (rval != QLA_SUCCESS) {
1354                 ret = -EINVAL;
1355                 goto exit_get_chap;
1356         }
1357
1358         DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1359                 __le16_to_cpu(chap_table->cookie)));
1360
1361         if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1362                 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1363                 goto exit_get_chap;
1364         }
1365
1366         strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1367         strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1368         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1369
1370 exit_get_chap:
1371         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1372         return ret;
1373 }
1374
1375 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1376                             char *password, uint16_t idx, int bidi)
1377 {
1378         int ret = 0;
1379         int rval = QLA_ERROR;
1380         uint32_t offset = 0;
1381         struct ql4_chap_table *chap_table;
1382         dma_addr_t chap_dma;
1383
1384         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1385         if (chap_table == NULL) {
1386                 ret =  -ENOMEM;
1387                 goto exit_set_chap;
1388         }
1389
1390         memset(chap_table, 0, sizeof(struct ql4_chap_table));
1391         if (bidi)
1392                 chap_table->flags |= BIT_6; /* peer */
1393         else
1394                 chap_table->flags |= BIT_7; /* local */
1395         chap_table->secret_len = strlen(password);
1396         strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1397         strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1398         chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1399         offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
1400         rval = qla4xxx_set_flash(ha, chap_dma, offset,
1401                                 sizeof(struct ql4_chap_table),
1402                                 FLASH_OPT_RMW_COMMIT);
1403
1404         if (rval == QLA_SUCCESS && ha->chap_list) {
1405                 /* Update ha chap_list cache */
1406                 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1407                        chap_table, sizeof(struct ql4_chap_table));
1408         }
1409         dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1410         if (rval != QLA_SUCCESS)
1411                 ret =  -EINVAL;
1412
1413 exit_set_chap:
1414         return ret;
1415 }
1416
1417 /**
1418  * qla4xxx_get_chap_index - Get chap index given username and secret
1419  * @ha: pointer to adapter structure
1420  * @username: CHAP username to be searched
1421  * @password: CHAP password to be searched
1422  * @bidi: Is this a BIDI CHAP
1423  * @chap_index: CHAP index to be returned
1424  *
1425  * Match the username and password in the chap_list, return the index if a
1426  * match is found. If a match is not found then add the entry in FLASH and
1427  * return the index at which entry is written in the FLASH.
1428  **/
1429 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1430                            char *password, int bidi, uint16_t *chap_index)
1431 {
1432         int i, rval;
1433         int free_index = -1;
1434         int found_index = 0;
1435         int max_chap_entries = 0;
1436         struct ql4_chap_table *chap_table;
1437
1438         if (is_qla8022(ha))
1439                 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1440                                                 sizeof(struct ql4_chap_table);
1441         else
1442                 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1443
1444         if (!ha->chap_list) {
1445                 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1446                 return QLA_ERROR;
1447         }
1448
1449         if (!username || !password) {
1450                 ql4_printk(KERN_ERR, ha, "Do not have username and psw\n");
1451                 return QLA_ERROR;
1452         }
1453
1454         mutex_lock(&ha->chap_sem);
1455         for (i = 0; i < max_chap_entries; i++) {
1456                 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1457                 if (chap_table->cookie !=
1458                     __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1459                         if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1460                                 free_index = i;
1461                         continue;
1462                 }
1463                 if (bidi) {
1464                         if (chap_table->flags & BIT_7)
1465                                 continue;
1466                 } else {
1467                         if (chap_table->flags & BIT_6)
1468                                 continue;
1469                 }
1470                 if (!strncmp(chap_table->secret, password,
1471                              MAX_CHAP_SECRET_LEN) &&
1472                     !strncmp(chap_table->name, username,
1473                              MAX_CHAP_NAME_LEN)) {
1474                         *chap_index = i;
1475                         found_index = 1;
1476                         break;
1477                 }
1478         }
1479
1480         /* If chap entry is not present and a free index is available then
1481          * write the entry in flash
1482          */
1483         if (!found_index && free_index != -1) {
1484                 rval = qla4xxx_set_chap(ha, username, password,
1485                                         free_index, bidi);
1486                 if (!rval) {
1487                         *chap_index = free_index;
1488                         found_index = 1;
1489                 }
1490         }
1491
1492         mutex_unlock(&ha->chap_sem);
1493
1494         if (found_index)
1495                 return QLA_SUCCESS;
1496         return QLA_ERROR;
1497 }
1498
1499 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1500                                    uint16_t fw_ddb_index,
1501                                    uint16_t connection_id,
1502                                    uint16_t option)
1503 {
1504         uint32_t mbox_cmd[MBOX_REG_COUNT];
1505         uint32_t mbox_sts[MBOX_REG_COUNT];
1506         int status = QLA_SUCCESS;
1507
1508         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1509         memset(&mbox_sts, 0, sizeof(mbox_sts));
1510
1511         mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1512         mbox_cmd[1] = fw_ddb_index;
1513         mbox_cmd[2] = connection_id;
1514         mbox_cmd[3] = option;
1515
1516         status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1517         if (status != QLA_SUCCESS) {
1518                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1519                                   "option %04x failed w/ status %04X %04X\n",
1520                                   __func__, option, mbox_sts[0], mbox_sts[1]));
1521         }
1522         return status;
1523 }
1524
1525 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1526 {
1527         uint32_t mbox_cmd[MBOX_REG_COUNT];
1528         uint32_t mbox_sts[MBOX_REG_COUNT];
1529         int status = QLA_SUCCESS;
1530
1531         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1532         memset(&mbox_sts, 0, sizeof(mbox_sts));
1533
1534         mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1535
1536         status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1537         if (status != QLA_SUCCESS) {
1538                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1539                                   "failed w/ status %04X %04X %04X", __func__,
1540                                   mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1541         }
1542         return status;
1543 }
1544
1545 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1546                     uint32_t acb_type, uint32_t len)
1547 {
1548         uint32_t mbox_cmd[MBOX_REG_COUNT];
1549         uint32_t mbox_sts[MBOX_REG_COUNT];
1550         int status = QLA_SUCCESS;
1551
1552         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1553         memset(&mbox_sts, 0, sizeof(mbox_sts));
1554
1555         mbox_cmd[0] = MBOX_CMD_GET_ACB;
1556         mbox_cmd[1] = acb_type;
1557         mbox_cmd[2] = LSDW(acb_dma);
1558         mbox_cmd[3] = MSDW(acb_dma);
1559         mbox_cmd[4] = len;
1560
1561         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1562         if (status != QLA_SUCCESS) {
1563                 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1564                                   "failed w/ status %04X\n", __func__,
1565                                   mbox_sts[0]));
1566         }
1567         return status;
1568 }
1569
1570 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1571                     uint32_t *mbox_sts, dma_addr_t acb_dma)
1572 {
1573         int status = QLA_SUCCESS;
1574
1575         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1576         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1577         mbox_cmd[0] = MBOX_CMD_SET_ACB;
1578         mbox_cmd[1] = 0; /* Primary ACB */
1579         mbox_cmd[2] = LSDW(acb_dma);
1580         mbox_cmd[3] = MSDW(acb_dma);
1581         mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1582
1583         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1584         if (status != QLA_SUCCESS) {
1585                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1586                                   "failed w/ status %04X\n", __func__,
1587                                   mbox_sts[0]));
1588         }
1589         return status;
1590 }
1591
1592 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1593                                struct ddb_entry *ddb_entry,
1594                                struct iscsi_cls_conn *cls_conn,
1595                                uint32_t *mbx_sts)
1596 {
1597         struct dev_db_entry *fw_ddb_entry;
1598         struct iscsi_conn *conn;
1599         struct iscsi_session *sess;
1600         struct qla_conn *qla_conn;
1601         struct sockaddr *dst_addr;
1602         dma_addr_t fw_ddb_entry_dma;
1603         int status = QLA_SUCCESS;
1604         int rval = 0;
1605         struct sockaddr_in *addr;
1606         struct sockaddr_in6 *addr6;
1607         char *ip;
1608         uint16_t iscsi_opts = 0;
1609         uint32_t options = 0;
1610         uint16_t idx;
1611
1612         fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1613                                           &fw_ddb_entry_dma, GFP_KERNEL);
1614         if (!fw_ddb_entry) {
1615                 DEBUG2(ql4_printk(KERN_ERR, ha,
1616                                   "%s: Unable to allocate dma buffer.\n",
1617                                   __func__));
1618                 rval = -ENOMEM;
1619                 goto exit_set_param_no_free;
1620         }
1621
1622         conn = cls_conn->dd_data;
1623         qla_conn = conn->dd_data;
1624         sess = conn->session;
1625         dst_addr = &qla_conn->qla_ep->dst_addr;
1626
1627         if (dst_addr->sa_family == AF_INET6)
1628                 options |= IPV6_DEFAULT_DDB_ENTRY;
1629
1630         status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1631         if (status == QLA_ERROR) {
1632                 rval = -EINVAL;
1633                 goto exit_set_param;
1634         }
1635
1636         iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1637         memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1638
1639         memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1640
1641         if (sess->targetname != NULL) {
1642                 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1643                        min(strlen(sess->targetname),
1644                        sizeof(fw_ddb_entry->iscsi_name)));
1645         }
1646
1647         memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1648         memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1649
1650         fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1651
1652         if (dst_addr->sa_family == AF_INET) {
1653                 addr = (struct sockaddr_in *)dst_addr;
1654                 ip = (char *)&addr->sin_addr;
1655                 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1656                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1657                 DEBUG2(ql4_printk(KERN_INFO, ha,
1658                                   "%s: Destination Address [%pI4]: index [%d]\n",
1659                                    __func__, fw_ddb_entry->ip_addr,
1660                                   ddb_entry->fw_ddb_index));
1661         } else if (dst_addr->sa_family == AF_INET6) {
1662                 addr6 = (struct sockaddr_in6 *)dst_addr;
1663                 ip = (char *)&addr6->sin6_addr;
1664                 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1665                 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1666                 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1667                 DEBUG2(ql4_printk(KERN_INFO, ha,
1668                                   "%s: Destination Address [%pI6]: index [%d]\n",
1669                                    __func__, fw_ddb_entry->ip_addr,
1670                                   ddb_entry->fw_ddb_index));
1671         } else {
1672                 ql4_printk(KERN_ERR, ha,
1673                            "%s: Failed to get IP Address\n",
1674                            __func__);
1675                 rval = -EINVAL;
1676                 goto exit_set_param;
1677         }
1678
1679         /* CHAP */
1680         if (sess->username != NULL && sess->password != NULL) {
1681                 if (strlen(sess->username) && strlen(sess->password)) {
1682                         iscsi_opts |= BIT_7;
1683
1684                         rval = qla4xxx_get_chap_index(ha, sess->username,
1685                                                 sess->password,
1686                                                 LOCAL_CHAP, &idx);
1687                         if (rval)
1688                                 goto exit_set_param;
1689
1690                         fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1691                 }
1692         }
1693
1694         if (sess->username_in != NULL && sess->password_in != NULL) {
1695                 /* Check if BIDI CHAP */
1696                 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1697                         iscsi_opts |= BIT_4;
1698
1699                         rval = qla4xxx_get_chap_index(ha, sess->username_in,
1700                                                       sess->password_in,
1701                                                       BIDI_CHAP, &idx);
1702                         if (rval)
1703                                 goto exit_set_param;
1704                 }
1705         }
1706
1707         if (sess->initial_r2t_en)
1708                 iscsi_opts |= BIT_10;
1709
1710         if (sess->imm_data_en)
1711                 iscsi_opts |= BIT_11;
1712
1713         fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1714
1715         if (conn->max_recv_dlength)
1716                 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1717                   __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1718
1719         if (sess->max_r2t)
1720                 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1721
1722         if (sess->first_burst)
1723                 fw_ddb_entry->iscsi_first_burst_len =
1724                        __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1725
1726         if (sess->max_burst)
1727                 fw_ddb_entry->iscsi_max_burst_len =
1728                         __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1729
1730         if (sess->time2wait)
1731                 fw_ddb_entry->iscsi_def_time2wait =
1732                         cpu_to_le16(sess->time2wait);
1733
1734         if (sess->time2retain)
1735                 fw_ddb_entry->iscsi_def_time2retain =
1736                         cpu_to_le16(sess->time2retain);
1737
1738         status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1739                                        fw_ddb_entry_dma, mbx_sts);
1740
1741         if (status != QLA_SUCCESS)
1742                 rval = -EINVAL;
1743 exit_set_param:
1744         dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1745                           fw_ddb_entry, fw_ddb_entry_dma);
1746 exit_set_param_no_free:
1747         return rval;
1748 }
1749
1750 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1751                           uint16_t stats_size, dma_addr_t stats_dma)
1752 {
1753         int status = QLA_SUCCESS;
1754         uint32_t mbox_cmd[MBOX_REG_COUNT];
1755         uint32_t mbox_sts[MBOX_REG_COUNT];
1756
1757         memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1758         memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1759         mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1760         mbox_cmd[1] = fw_ddb_index;
1761         mbox_cmd[2] = LSDW(stats_dma);
1762         mbox_cmd[3] = MSDW(stats_dma);
1763         mbox_cmd[4] = stats_size;
1764
1765         status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1766         if (status != QLA_SUCCESS) {
1767                 DEBUG2(ql4_printk(KERN_WARNING, ha,
1768                                   "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1769                                   "failed w/ status %04X\n", __func__,
1770                                   mbox_sts[0]));
1771         }
1772         return status;
1773 }
1774
1775 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1776                          uint32_t ip_idx, uint32_t *sts)
1777 {
1778         uint32_t mbox_cmd[MBOX_REG_COUNT];
1779         uint32_t mbox_sts[MBOX_REG_COUNT];
1780         int status = QLA_SUCCESS;
1781
1782         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1783         memset(&mbox_sts, 0, sizeof(mbox_sts));
1784         mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1785         mbox_cmd[1] = acb_idx;
1786         mbox_cmd[2] = ip_idx;
1787
1788         status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1789         if (status != QLA_SUCCESS) {
1790                 DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
1791                                   "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1792                                   "status %04X\n", __func__, mbox_sts[0]));
1793         }
1794         memcpy(sts, mbox_sts, sizeof(mbox_sts));
1795         return status;
1796 }
1797
1798 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1799                       uint32_t offset, uint32_t size)
1800 {
1801         int status = QLA_SUCCESS;
1802         uint32_t mbox_cmd[MBOX_REG_COUNT];
1803         uint32_t mbox_sts[MBOX_REG_COUNT];
1804
1805         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1806         memset(&mbox_sts, 0, sizeof(mbox_sts));
1807
1808         mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1809         mbox_cmd[1] = LSDW(nvram_dma);
1810         mbox_cmd[2] = MSDW(nvram_dma);
1811         mbox_cmd[3] = offset;
1812         mbox_cmd[4] = size;
1813
1814         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1815                                          &mbox_sts[0]);
1816         if (status != QLA_SUCCESS) {
1817                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1818                                   "status %04X\n", ha->host_no, __func__,
1819                                   mbox_sts[0]));
1820         }
1821         return status;
1822 }
1823
1824 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1825                       uint32_t offset, uint32_t size)
1826 {
1827         int status = QLA_SUCCESS;
1828         uint32_t mbox_cmd[MBOX_REG_COUNT];
1829         uint32_t mbox_sts[MBOX_REG_COUNT];
1830
1831         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1832         memset(&mbox_sts, 0, sizeof(mbox_sts));
1833
1834         mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1835         mbox_cmd[1] = LSDW(nvram_dma);
1836         mbox_cmd[2] = MSDW(nvram_dma);
1837         mbox_cmd[3] = offset;
1838         mbox_cmd[4] = size;
1839
1840         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1841                                          &mbox_sts[0]);
1842         if (status != QLA_SUCCESS) {
1843                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1844                                   "status %04X\n", ha->host_no, __func__,
1845                                   mbox_sts[0]));
1846         }
1847         return status;
1848 }
1849
1850 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
1851                                      uint32_t region, uint32_t field0,
1852                                      uint32_t field1)
1853 {
1854         int status = QLA_SUCCESS;
1855         uint32_t mbox_cmd[MBOX_REG_COUNT];
1856         uint32_t mbox_sts[MBOX_REG_COUNT];
1857
1858         memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1859         memset(&mbox_sts, 0, sizeof(mbox_sts));
1860
1861         mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
1862         mbox_cmd[3] = region;
1863         mbox_cmd[4] = field0;
1864         mbox_cmd[5] = field1;
1865
1866         status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
1867                                          &mbox_sts[0]);
1868         if (status != QLA_SUCCESS) {
1869                 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1870                                   "status %04X\n", ha->host_no, __func__,
1871                                   mbox_sts[0]));
1872         }
1873         return status;
1874 }