Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-2.6.git] / drivers / scsi / qla4xxx / ql4_mbx.c
index 8961d4c..c259378 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * QLogic iSCSI HBA Driver
- * Copyright (c)  2003-2006 QLogic Corporation
+ * Copyright (c)  2003-2010 QLogic Corporation
  *
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
@@ -19,7 +19,7 @@
  * @mbx_cmd: data pointer for mailbox in registers.
  * @mbx_sts: data pointer for mailbox out registers.
  *
- * This routine isssue mailbox commands and waits for completion.
+ * This routine issue mailbox commands and waits for completion.
  * If outCount is 0, this routine completes successfully WITHOUT waiting
  * for the mailbox command to complete.
  **/
@@ -32,6 +32,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
        u_long wait_count;
        uint32_t intr_status;
        unsigned long flags = 0;
+       uint32_t dev_state;
 
        /* Make sure that pointers are valid */
        if (!mbx_cmd || !mbx_sts) {
@@ -40,12 +41,33 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
                return status;
        }
 
-       if (is_qla8022(ha) &&
-           test_bit(AF_FW_RECOVERY, &ha->flags)) {
-               DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: prematurely "
-                   "completing mbx cmd as firmware recovery detected\n",
-                   ha->host_no, __func__));
-               return status;
+       if (is_qla40XX(ha)) {
+               if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
+                       DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+                                         "prematurely completing mbx cmd as "
+                                         "adapter removal detected\n",
+                                         ha->host_no, __func__));
+                       return status;
+               }
+       }
+
+       if (is_qla8022(ha)) {
+               if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
+                       DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+                           "prematurely completing mbx cmd as firmware "
+                           "recovery detected\n", ha->host_no, __func__));
+                       return status;
+               }
+               /* Do not send any mbx cmd if h/w is in failed state*/
+               qla4_8xxx_idc_lock(ha);
+               dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+               qla4_8xxx_idc_unlock(ha);
+               if (dev_state == QLA82XX_DEV_FAILED) {
+                       ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: H/W is in "
+                           "failed state, do not send any mailbox commands\n",
+                           ha->host_no, __func__);
+                       return status;
+               }
        }
 
        if ((is_aer_supported(ha)) &&
@@ -74,38 +96,8 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
                msleep(10);
        }
 
-       /* To prevent overwriting mailbox registers for a command that has
-        * not yet been serviced, check to see if an active command
-        * (AEN, IOCB, etc.) is interrupting, then service it.
-        * -----------------------------------------------------------------
-        */
        spin_lock_irqsave(&ha->hardware_lock, flags);
 
-       if (is_qla8022(ha)) {
-               intr_status = readl(&ha->qla4_8xxx_reg->host_int);
-               if (intr_status & ISRX_82XX_RISC_INT) {
-                       /* Service existing interrupt */
-                       DEBUG2(printk("scsi%ld: %s: "
-                           "servicing existing interrupt\n",
-                           ha->host_no, __func__));
-                       intr_status = readl(&ha->qla4_8xxx_reg->host_status);
-                       ha->isp_ops->interrupt_service_routine(ha, intr_status);
-                       clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
-                       if (test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
-                           test_bit(AF_INTx_ENABLED, &ha->flags))
-                               qla4_8xxx_wr_32(ha,
-                                   ha->nx_legacy_intr.tgt_mask_reg,
-                                   0xfbff);
-               }
-       } else {
-               intr_status = readl(&ha->reg->ctrl_status);
-               if (intr_status & CSR_SCSI_PROCESSOR_INTR) {
-                       /* Service existing interrupt */
-                       ha->isp_ops->interrupt_service_routine(ha, intr_status);
-                       clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
-               }
-       }
-
        ha->mbox_status_count = outCount;
        for (i = 0; i < outCount; i++)
                ha->mbox_status[i] = 0;
@@ -155,7 +147,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
        if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
            test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
            test_bit(AF_ONLINE, &ha->flags) &&
-           !test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
+           !test_bit(AF_HA_REMOVAL, &ha->flags)) {
                /* Do not poll for completion. Use completion queue */
                set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
                wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
@@ -321,7 +313,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
        return QLA_SUCCESS;
 }
 
-static uint8_t
+uint8_t
 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
                 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 {
@@ -345,43 +337,69 @@ qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 
 static void
 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
-                        struct addr_ctrl_blk  *init_fw_cb)
+                       struct addr_ctrl_blk *init_fw_cb)
 {
+       ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
+       ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
+       ha->ip_config.ipv4_addr_state =
+                               le16_to_cpu(init_fw_cb->ipv4_addr_state);
+       ha->ip_config.eth_mtu_size =
+                               le16_to_cpu(init_fw_cb->eth_mtu_size);
+       ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
+
+       if (ha->acb_version == ACB_SUPPORTED) {
+               ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
+               ha->ip_config.ipv6_addl_options =
+                               le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
+       }
+
        /* Save IPv4 Address Info */
-       memcpy(ha->ip_address, init_fw_cb->ipv4_addr,
-               min(sizeof(ha->ip_address), sizeof(init_fw_cb->ipv4_addr)));
-       memcpy(ha->subnet_mask, init_fw_cb->ipv4_subnet,
-               min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->ipv4_subnet)));
-       memcpy(ha->gateway, init_fw_cb->ipv4_gw_addr,
-               min(sizeof(ha->gateway), sizeof(init_fw_cb->ipv4_gw_addr)));
+       memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
+              min(sizeof(ha->ip_config.ip_address),
+                  sizeof(init_fw_cb->ipv4_addr)));
+       memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
+              min(sizeof(ha->ip_config.subnet_mask),
+                  sizeof(init_fw_cb->ipv4_subnet)));
+       memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
+              min(sizeof(ha->ip_config.gateway),
+                  sizeof(init_fw_cb->ipv4_gw_addr)));
+
+       ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 
        if (is_ipv6_enabled(ha)) {
                /* Save IPv6 Address */
-               ha->ipv6_link_local_state = init_fw_cb->ipv6_lnk_lcl_addr_state;
-               ha->ipv6_addr0_state = init_fw_cb->ipv6_addr0_state;
-               ha->ipv6_addr1_state = init_fw_cb->ipv6_addr1_state;
-               ha->ipv6_default_router_state = init_fw_cb->ipv6_dflt_rtr_state;
-               ha->ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
-               ha->ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
-
-               memcpy(&ha->ipv6_link_local_addr.in6_u.u6_addr8[8],
-                       init_fw_cb->ipv6_if_id,
-                       min(sizeof(ha->ipv6_link_local_addr)/2,
-                       sizeof(init_fw_cb->ipv6_if_id)));
-               memcpy(&ha->ipv6_addr0, init_fw_cb->ipv6_addr0,
-                       min(sizeof(ha->ipv6_addr0),
-                       sizeof(init_fw_cb->ipv6_addr0)));
-               memcpy(&ha->ipv6_addr1, init_fw_cb->ipv6_addr1,
-                       min(sizeof(ha->ipv6_addr1),
-                       sizeof(init_fw_cb->ipv6_addr1)));
-               memcpy(&ha->ipv6_default_router_addr,
-                       init_fw_cb->ipv6_dflt_rtr_addr,
-                       min(sizeof(ha->ipv6_default_router_addr),
-                       sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+               ha->ip_config.ipv6_link_local_state =
+                       le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
+               ha->ip_config.ipv6_addr0_state =
+                               le16_to_cpu(init_fw_cb->ipv6_addr0_state);
+               ha->ip_config.ipv6_addr1_state =
+                               le16_to_cpu(init_fw_cb->ipv6_addr1_state);
+               ha->ip_config.ipv6_default_router_state =
+                               le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
+               ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
+               ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
+
+               memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
+                      init_fw_cb->ipv6_if_id,
+                      min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
+                          sizeof(init_fw_cb->ipv6_if_id)));
+               memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
+                      min(sizeof(ha->ip_config.ipv6_addr0),
+                          sizeof(init_fw_cb->ipv6_addr0)));
+               memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
+                      min(sizeof(ha->ip_config.ipv6_addr1),
+                          sizeof(init_fw_cb->ipv6_addr1)));
+               memcpy(&ha->ip_config.ipv6_default_router_addr,
+                      init_fw_cb->ipv6_dflt_rtr_addr,
+                      min(sizeof(ha->ip_config.ipv6_default_router_addr),
+                          sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+               ha->ip_config.ipv6_vlan_tag =
+                               be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
+               ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
        }
 }
 
-static uint8_t
+uint8_t
 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
                          uint32_t *mbox_cmd,
                          uint32_t *mbox_sts,
@@ -401,23 +419,14 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
        /* Save some info in adapter structure. */
        ha->acb_version = init_fw_cb->acb_version;
        ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
-       ha->tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
-       ha->ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
-       ha->ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state);
        ha->heartbeat_interval = init_fw_cb->hb_interval;
        memcpy(ha->name_string, init_fw_cb->iscsi_name,
                min(sizeof(ha->name_string),
                sizeof(init_fw_cb->iscsi_name)));
+       ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
        /*memcpy(ha->alias, init_fw_cb->Alias,
               min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 
-       /* Save Command Line Paramater info */
-       ha->discovery_wait = ql4xdiscoverywait;
-
-       if (ha->acb_version == ACB_SUPPORTED) {
-               ha->ipv6_options = init_fw_cb->ipv6_opts;
-               ha->ipv6_addl_options = init_fw_cb->ipv6_addtl_opts;
-       }
        qla4xxx_update_local_ip(ha, init_fw_cb);
 
        return QLA_SUCCESS;
@@ -483,6 +492,12 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 
        init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 
+       init_fw_cb->add_fw_options = 0;
+       init_fw_cb->add_fw_options |=
+                       __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
+       init_fw_cb->add_fw_options |=
+                       __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
+
        if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
                != QLA_SUCCESS) {
                DEBUG2(printk(KERN_WARNING
@@ -707,19 +722,38 @@ exit_get_fwddb:
        return status;
 }
 
+int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
+{
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
+       mbox_cmd[1] = fw_ddb_index;
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       DEBUG2(ql4_printk(KERN_INFO, ha,
+                         "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
+                         __func__, status, mbox_sts[0], mbox_sts[1]));
+       return status;
+}
+
 /**
  * qla4xxx_set_fwddb_entry - sets a ddb entry.
  * @ha: Pointer to host adapter structure.
  * @fw_ddb_index: Firmware's device database index
- * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL.
+ * @fw_ddb_entry_dma: dma address of ddb entry
+ * @mbx_sts: mailbox 0 to be returned or NULL
  *
  * This routine initializes or updates the adapter's device database
- * entry for the specified device. It also triggers a login for the
- * specified device. Therefore, it may also be used as a secondary
- * login routine when a NULL pointer is specified for the fw_ddb_entry.
+ * entry for the specified device.
  **/
 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
-                         dma_addr_t fw_ddb_entry_dma)
+                         dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 {
        uint32_t mbox_cmd[MBOX_REG_COUNT];
        uint32_t mbox_sts[MBOX_REG_COUNT];
@@ -738,13 +772,41 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
        mbox_cmd[4] = sizeof(struct dev_db_entry);
 
        status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
-           &mbox_sts[0]);
+                                        &mbox_sts[0]);
+       if (mbx_sts)
+               *mbx_sts = mbox_sts[0];
        DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
            ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 
        return status;
 }
 
+int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
+                              struct ddb_entry *ddb_entry, int options)
+{
+       int status;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
+       mbox_cmd[1] = ddb_entry->fw_ddb_index;
+       mbox_cmd[3] = options;
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_INFO, ha,
+                                 "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
+                                 "failed sts %04X %04X", __func__,
+                                 mbox_sts[0], mbox_sts[1]));
+       }
+
+       return status;
+}
+
 /**
  * qla4xxx_get_crash_record - retrieves crash record.
  * @ha: Pointer to host adapter structure.
@@ -821,7 +883,6 @@ void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
        uint32_t        max_event_log_entries;
        uint8_t         i;
 
-
        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
        memset(&mbox_sts, 0, sizeof(mbox_cmd));
 
@@ -1059,41 +1120,68 @@ int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
 }
 
 /**
- * qla4xxx_get_fw_version - gets firmware version
+ * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
  * @ha: Pointer to host adapter structure.
  *
- * Retrieves the firmware version on HBA. In QLA4010, mailboxes 2 & 3 may
- * hold an address for data.  Make sure that we write 0 to those mailboxes,
- * if unused.
+ * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
+ * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
+ * those mailboxes, if unused.
  **/
-int qla4xxx_get_fw_version(struct scsi_qla_host * ha)
+int qla4xxx_about_firmware(struct scsi_qla_host *ha)
 {
+       struct about_fw_info *about_fw = NULL;
+       dma_addr_t about_fw_dma;
        uint32_t mbox_cmd[MBOX_REG_COUNT];
        uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_ERROR;
 
-       /* Get firmware version. */
+       about_fw = dma_alloc_coherent(&ha->pdev->dev,
+                                     sizeof(struct about_fw_info),
+                                     &about_fw_dma, GFP_KERNEL);
+       if (!about_fw) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
+                                 "for about_fw\n", __func__));
+               return status;
+       }
+
+       memset(about_fw, 0, sizeof(struct about_fw_info));
        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
        memset(&mbox_sts, 0, sizeof(mbox_sts));
 
        mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
-
-       if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
-           QLA_SUCCESS) {
-               DEBUG2(printk("scsi%ld: %s: MBOX_CMD_ABOUT_FW failed w/ "
-                   "status %04X\n", ha->host_no, __func__, mbox_sts[0]));
-               return QLA_ERROR;
+       mbox_cmd[2] = LSDW(about_fw_dma);
+       mbox_cmd[3] = MSDW(about_fw_dma);
+       mbox_cmd[4] = sizeof(struct about_fw_info);
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
+                                        &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
+                                 "failed w/ status %04X\n", __func__,
+                                 mbox_sts[0]));
+               goto exit_about_fw;
        }
 
-       /* Save firmware version information. */
-       ha->firmware_version[0] = mbox_sts[1];
-       ha->firmware_version[1] = mbox_sts[2];
-       ha->patch_number = mbox_sts[3];
-       ha->build_number = mbox_sts[4];
+       /* Save version information. */
+       ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
+       ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
+       ha->patch_number = le16_to_cpu(about_fw->fw_patch);
+       ha->build_number = le16_to_cpu(about_fw->fw_build);
+       ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
+       ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
+       ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
+       ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
+       ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
+       ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
+       status = QLA_SUCCESS;
 
-       return QLA_SUCCESS;
+exit_about_fw:
+       dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
+                         about_fw, about_fw_dma);
+       return status;
 }
 
-static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
+static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
                                   dma_addr_t dma_addr)
 {
        uint32_t mbox_cmd[MBOX_REG_COUNT];
@@ -1103,6 +1191,7 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
        memset(&mbox_sts, 0, sizeof(mbox_sts));
 
        mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
+       mbox_cmd[1] = options;
        mbox_cmd[2] = LSDW(dma_addr);
        mbox_cmd[3] = MSDW(dma_addr);
 
@@ -1115,8 +1204,10 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
        return QLA_SUCCESS;
 }
 
-static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index)
+int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
+                         uint32_t *mbx_sts)
 {
+       int status;
        uint32_t mbox_cmd[MBOX_REG_COUNT];
        uint32_t mbox_sts[MBOX_REG_COUNT];
 
@@ -1124,75 +1215,646 @@ static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index)
        memset(&mbox_sts, 0, sizeof(mbox_sts));
 
        mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
-       mbox_cmd[1] = MAX_PRST_DEV_DB_ENTRIES;
+       mbox_cmd[1] = ddb_index;
 
-       if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
-           QLA_SUCCESS) {
-               if (mbox_sts[0] == MBOX_STS_COMMAND_ERROR) {
-                       *ddb_index = mbox_sts[2];
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
+                                  __func__, mbox_sts[0]));
+       }
+
+       *mbx_sts = mbox_sts[0];
+       return status;
+}
+
+int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
+{
+       int status;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
+       mbox_cmd[1] = ddb_index;
+
+       status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
+                                  __func__, mbox_sts[0]));
+       }
+
+       return status;
+}
+
+int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
+                     uint32_t offset, uint32_t length, uint32_t options)
+{
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_SUCCESS;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
+       mbox_cmd[1] = LSDW(dma_addr);
+       mbox_cmd[2] = MSDW(dma_addr);
+       mbox_cmd[3] = offset;
+       mbox_cmd[4] = length;
+       mbox_cmd[5] = options;
+
+       status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
+                                 "failed w/ status %04X, mbx1 %04X\n",
+                                 __func__, mbox_sts[0], mbox_sts[1]));
+       }
+       return status;
+}
+
+int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
+                           struct dev_db_entry *fw_ddb_entry,
+                           dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
+{
+       uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
+       uint32_t dev_db_end_offset;
+       int status = QLA_ERROR;
+
+       memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
+
+       dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
+       dev_db_end_offset = FLASH_OFFSET_DB_END;
+
+       if (dev_db_start_offset > dev_db_end_offset) {
+               DEBUG2(ql4_printk(KERN_ERR, ha,
+                                 "%s:Invalid DDB index %d", __func__,
+                                 ddb_index));
+               goto exit_bootdb_failed;
+       }
+
+       if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
+                             sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
+               ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
+                          "failed\n", ha->host_no, __func__);
+               goto exit_bootdb_failed;
+       }
+
+       if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
+               status = QLA_SUCCESS;
+
+exit_bootdb_failed:
+       return status;
+}
+
+int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
+                    uint16_t idx)
+{
+       int ret = 0;
+       int rval = QLA_ERROR;
+       uint32_t offset = 0, chap_size;
+       struct ql4_chap_table *chap_table;
+       dma_addr_t chap_dma;
+
+       chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+       if (chap_table == NULL) {
+               ret = -ENOMEM;
+               goto exit_get_chap;
+       }
+
+       chap_size = sizeof(struct ql4_chap_table);
+       memset(chap_table, 0, chap_size);
+
+       if (is_qla40XX(ha))
+               offset = FLASH_CHAP_OFFSET | (idx * chap_size);
+       else {
+               offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+               /* flt_chap_size is CHAP table size for both ports
+                * so divide it by 2 to calculate the offset for second port
+                */
+               if (ha->port_num == 1)
+                       offset += (ha->hw.flt_chap_size / 2);
+               offset += (idx * chap_size);
+       }
+
+       rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
+       if (rval != QLA_SUCCESS) {
+               ret = -EINVAL;
+               goto exit_get_chap;
+       }
+
+       DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
+               __le16_to_cpu(chap_table->cookie)));
+
+       if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
+               ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
+               goto exit_get_chap;
+       }
+
+       strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
+       strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
+       chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+
+exit_get_chap:
+       dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+       return ret;
+}
+
+static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
+                           char *password, uint16_t idx, int bidi)
+{
+       int ret = 0;
+       int rval = QLA_ERROR;
+       uint32_t offset = 0;
+       struct ql4_chap_table *chap_table;
+       dma_addr_t chap_dma;
+
+       chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+       if (chap_table == NULL) {
+               ret =  -ENOMEM;
+               goto exit_set_chap;
+       }
+
+       memset(chap_table, 0, sizeof(struct ql4_chap_table));
+       if (bidi)
+               chap_table->flags |= BIT_6; /* peer */
+       else
+               chap_table->flags |= BIT_7; /* local */
+       chap_table->secret_len = strlen(password);
+       strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
+       strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
+       chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+       offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
+       rval = qla4xxx_set_flash(ha, chap_dma, offset,
+                               sizeof(struct ql4_chap_table),
+                               FLASH_OPT_RMW_COMMIT);
+
+       if (rval == QLA_SUCCESS && ha->chap_list) {
+               /* Update ha chap_list cache */
+               memcpy((struct ql4_chap_table *)ha->chap_list + idx,
+                      chap_table, sizeof(struct ql4_chap_table));
+       }
+       dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+       if (rval != QLA_SUCCESS)
+               ret =  -EINVAL;
+
+exit_set_chap:
+       return ret;
+}
+
+/**
+ * qla4xxx_get_chap_index - Get chap index given username and secret
+ * @ha: pointer to adapter structure
+ * @username: CHAP username to be searched
+ * @password: CHAP password to be searched
+ * @bidi: Is this a BIDI CHAP
+ * @chap_index: CHAP index to be returned
+ *
+ * Match the username and password in the chap_list, return the index if a
+ * match is found. If a match is not found then add the entry in FLASH and
+ * return the index at which entry is written in the FLASH.
+ **/
+static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
+                           char *password, int bidi, uint16_t *chap_index)
+{
+       int i, rval;
+       int free_index = -1;
+       int found_index = 0;
+       int max_chap_entries = 0;
+       struct ql4_chap_table *chap_table;
+
+       if (is_qla8022(ha))
+               max_chap_entries = (ha->hw.flt_chap_size / 2) /
+                                               sizeof(struct ql4_chap_table);
+       else
+               max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+       if (!ha->chap_list) {
+               ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
+               return QLA_ERROR;
+       }
+
+       mutex_lock(&ha->chap_sem);
+       for (i = 0; i < max_chap_entries; i++) {
+               chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+               if (chap_table->cookie !=
+                   __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+                       if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
+                               free_index = i;
+                       continue;
+               }
+               if (bidi) {
+                       if (chap_table->flags & BIT_7)
+                               continue;
                } else {
-                       DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
-                            ha->host_no, __func__, mbox_sts[0]));
-                       return QLA_ERROR;
+                       if (chap_table->flags & BIT_6)
+                               continue;
+               }
+               if (!strncmp(chap_table->secret, password,
+                            MAX_CHAP_SECRET_LEN) &&
+                   !strncmp(chap_table->name, username,
+                            MAX_CHAP_NAME_LEN)) {
+                       *chap_index = i;
+                       found_index = 1;
+                       break;
                }
-       } else {
-               *ddb_index = MAX_PRST_DEV_DB_ENTRIES;
        }
 
-       return QLA_SUCCESS;
+       /* If chap entry is not present and a free index is available then
+        * write the entry in flash
+        */
+       if (!found_index && free_index != -1) {
+               rval = qla4xxx_set_chap(ha, username, password,
+                                       free_index, bidi);
+               if (!rval) {
+                       *chap_index = free_index;
+                       found_index = 1;
+               }
+       }
+
+       mutex_unlock(&ha->chap_sem);
+
+       if (found_index)
+               return QLA_SUCCESS;
+       return QLA_ERROR;
 }
 
+int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
+                                  uint16_t fw_ddb_index,
+                                  uint16_t connection_id,
+                                  uint16_t option)
+{
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_SUCCESS;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
 
-int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port)
+       mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
+       mbox_cmd[1] = fw_ddb_index;
+       mbox_cmd[2] = connection_id;
+       mbox_cmd[3] = option;
+
+       status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
+                                 "option %04x failed w/ status %04X %04X\n",
+                                 __func__, option, mbox_sts[0], mbox_sts[1]));
+       }
+       return status;
+}
+
+int qla4xxx_disable_acb(struct scsi_qla_host *ha)
 {
-       struct dev_db_entry *fw_ddb_entry;
-       dma_addr_t fw_ddb_entry_dma;
-       uint32_t ddb_index;
-       int ret_val = QLA_SUCCESS;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_SUCCESS;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
+
+       status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
+                                 "failed w/ status %04X %04X %04X", __func__,
+                                 mbox_sts[0], mbox_sts[1], mbox_sts[2]));
+       }
+       return status;
+}
 
+int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
+                   uint32_t acb_type, uint32_t len)
+{
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_SUCCESS;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
 
-       fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
-                                         sizeof(*fw_ddb_entry),
+       mbox_cmd[0] = MBOX_CMD_GET_ACB;
+       mbox_cmd[1] = acb_type;
+       mbox_cmd[2] = LSDW(acb_dma);
+       mbox_cmd[3] = MSDW(acb_dma);
+       mbox_cmd[4] = len;
+
+       status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
+                                 "failed w/ status %04X\n", __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}
+
+int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+                   uint32_t *mbox_sts, dma_addr_t acb_dma)
+{
+       int status = QLA_SUCCESS;
+
+       memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+       memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+       mbox_cmd[0] = MBOX_CMD_SET_ACB;
+       mbox_cmd[1] = 0; /* Primary ACB */
+       mbox_cmd[2] = LSDW(acb_dma);
+       mbox_cmd[3] = MSDW(acb_dma);
+       mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+       status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
+                                 "failed w/ status %04X\n", __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}
+
+int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
+                              struct ddb_entry *ddb_entry,
+                              struct iscsi_cls_conn *cls_conn,
+                              uint32_t *mbx_sts)
+{
+       struct dev_db_entry *fw_ddb_entry;
+       struct iscsi_conn *conn;
+       struct iscsi_session *sess;
+       struct qla_conn *qla_conn;
+       struct sockaddr *dst_addr;
+       dma_addr_t fw_ddb_entry_dma;
+       int status = QLA_SUCCESS;
+       int rval = 0;
+       struct sockaddr_in *addr;
+       struct sockaddr_in6 *addr6;
+       char *ip;
+       uint16_t iscsi_opts = 0;
+       uint32_t options = 0;
+       uint16_t idx;
+
+       fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
                                          &fw_ddb_entry_dma, GFP_KERNEL);
        if (!fw_ddb_entry) {
-               DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
-                             ha->host_no, __func__));
-               ret_val = QLA_ERROR;
-               goto exit_send_tgts_no_free;
+               DEBUG2(ql4_printk(KERN_ERR, ha,
+                                 "%s: Unable to allocate dma buffer.\n",
+                                 __func__));
+               rval = -ENOMEM;
+               goto exit_set_param_no_free;
        }
 
-       ret_val = qla4xxx_get_default_ddb(ha, fw_ddb_entry_dma);
-       if (ret_val != QLA_SUCCESS)
-               goto exit_send_tgts;
+       conn = cls_conn->dd_data;
+       qla_conn = conn->dd_data;
+       sess = conn->session;
+       dst_addr = &qla_conn->qla_ep->dst_addr;
+
+       if (dst_addr->sa_family == AF_INET6)
+               options |= IPV6_DEFAULT_DDB_ENTRY;
 
-       ret_val = qla4xxx_req_ddb_entry(ha, &ddb_index);
-       if (ret_val != QLA_SUCCESS)
-               goto exit_send_tgts;
+       status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
+       if (status == QLA_ERROR) {
+               rval = -EINVAL;
+               goto exit_set_param;
+       }
 
-       memset(fw_ddb_entry->iscsi_alias, 0,
-              sizeof(fw_ddb_entry->iscsi_alias));
+       iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
+       memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
 
-       memset(fw_ddb_entry->iscsi_name, 0,
-              sizeof(fw_ddb_entry->iscsi_name));
+       memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
+
+       if (sess->targetname != NULL) {
+               memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
+                      min(strlen(sess->targetname),
+                      sizeof(fw_ddb_entry->iscsi_name)));
+       }
 
        memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
-       memset(fw_ddb_entry->tgt_addr, 0,
-              sizeof(fw_ddb_entry->tgt_addr));
+       memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
+
+       fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
+
+       if (dst_addr->sa_family == AF_INET) {
+               addr = (struct sockaddr_in *)dst_addr;
+               ip = (char *)&addr->sin_addr;
+               memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
+               fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
+               DEBUG2(ql4_printk(KERN_INFO, ha,
+                                 "%s: Destination Address [%pI4]: index [%d]\n",
+                                  __func__, fw_ddb_entry->ip_addr,
+                                 ddb_entry->fw_ddb_index));
+       } else if (dst_addr->sa_family == AF_INET6) {
+               addr6 = (struct sockaddr_in6 *)dst_addr;
+               ip = (char *)&addr6->sin6_addr;
+               memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
+               fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
+               fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
+               DEBUG2(ql4_printk(KERN_INFO, ha,
+                                 "%s: Destination Address [%pI6]: index [%d]\n",
+                                  __func__, fw_ddb_entry->ip_addr,
+                                 ddb_entry->fw_ddb_index));
+       } else {
+               ql4_printk(KERN_ERR, ha,
+                          "%s: Failed to get IP Address\n",
+                          __func__);
+               rval = -EINVAL;
+               goto exit_set_param;
+       }
 
-       fw_ddb_entry->options = (DDB_OPT_DISC_SESSION | DDB_OPT_TARGET);
-       fw_ddb_entry->port = cpu_to_le16(ntohs(port));
+       /* CHAP */
+       if (sess->username != NULL && sess->password != NULL) {
+               if (strlen(sess->username) && strlen(sess->password)) {
+                       iscsi_opts |= BIT_7;
 
-       fw_ddb_entry->ip_addr[0] = *ip;
-       fw_ddb_entry->ip_addr[1] = *(ip + 1);
-       fw_ddb_entry->ip_addr[2] = *(ip + 2);
-       fw_ddb_entry->ip_addr[3] = *(ip + 3);
+                       rval = qla4xxx_get_chap_index(ha, sess->username,
+                                               sess->password,
+                                               LOCAL_CHAP, &idx);
+                       if (rval)
+                               goto exit_set_param;
 
-       ret_val = qla4xxx_set_ddb_entry(ha, ddb_index, fw_ddb_entry_dma);
+                       fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
+               }
+       }
 
-exit_send_tgts:
+       if (sess->username_in != NULL && sess->password_in != NULL) {
+               /* Check if BIDI CHAP */
+               if (strlen(sess->username_in) && strlen(sess->password_in)) {
+                       iscsi_opts |= BIT_4;
+
+                       rval = qla4xxx_get_chap_index(ha, sess->username_in,
+                                                     sess->password_in,
+                                                     BIDI_CHAP, &idx);
+                       if (rval)
+                               goto exit_set_param;
+               }
+       }
+
+       if (sess->initial_r2t_en)
+               iscsi_opts |= BIT_10;
+
+       if (sess->imm_data_en)
+               iscsi_opts |= BIT_11;
+
+       fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
+
+       if (conn->max_recv_dlength)
+               fw_ddb_entry->iscsi_max_rcv_data_seg_len =
+                 __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
+
+       if (sess->max_r2t)
+               fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
+
+       if (sess->first_burst)
+               fw_ddb_entry->iscsi_first_burst_len =
+                      __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
+
+       if (sess->max_burst)
+               fw_ddb_entry->iscsi_max_burst_len =
+                       __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
+
+       if (sess->time2wait)
+               fw_ddb_entry->iscsi_def_time2wait =
+                       cpu_to_le16(sess->time2wait);
+
+       if (sess->time2retain)
+               fw_ddb_entry->iscsi_def_time2retain =
+                       cpu_to_le16(sess->time2retain);
+
+       status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+                                      fw_ddb_entry_dma, mbx_sts);
+
+       if (status != QLA_SUCCESS)
+               rval = -EINVAL;
+exit_set_param:
        dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
                          fw_ddb_entry, fw_ddb_entry_dma);
-exit_send_tgts_no_free:
-       return ret_val;
+exit_set_param_no_free:
+       return rval;
 }
 
+int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
+                         uint16_t stats_size, dma_addr_t stats_dma)
+{
+       int status = QLA_SUCCESS;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+       memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+       mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
+       mbox_cmd[1] = fw_ddb_index;
+       mbox_cmd[2] = LSDW(stats_dma);
+       mbox_cmd[3] = MSDW(stats_dma);
+       mbox_cmd[4] = stats_size;
+
+       status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha,
+                                 "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
+                                 "failed w/ status %04X\n", __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}
+
+int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
+                        uint32_t ip_idx, uint32_t *sts)
+{
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+       int status = QLA_SUCCESS;
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+       mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
+       mbox_cmd[1] = acb_idx;
+       mbox_cmd[2] = ip_idx;
+
+       status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
+                                 "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
+                                 "status %04X\n", __func__, mbox_sts[0]));
+       }
+       memcpy(sts, mbox_sts, sizeof(mbox_sts));
+       return status;
+}
+
+int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+                     uint32_t offset, uint32_t size)
+{
+       int status = QLA_SUCCESS;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
+       mbox_cmd[1] = LSDW(nvram_dma);
+       mbox_cmd[2] = MSDW(nvram_dma);
+       mbox_cmd[3] = offset;
+       mbox_cmd[4] = size;
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+                                 "status %04X\n", ha->host_no, __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}
+
+int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+                     uint32_t offset, uint32_t size)
+{
+       int status = QLA_SUCCESS;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
+       mbox_cmd[1] = LSDW(nvram_dma);
+       mbox_cmd[2] = MSDW(nvram_dma);
+       mbox_cmd[3] = offset;
+       mbox_cmd[4] = size;
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+                                 "status %04X\n", ha->host_no, __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}
+
+int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
+                                    uint32_t region, uint32_t field0,
+                                    uint32_t field1)
+{
+       int status = QLA_SUCCESS;
+       uint32_t mbox_cmd[MBOX_REG_COUNT];
+       uint32_t mbox_sts[MBOX_REG_COUNT];
+
+       memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+       memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+       mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
+       mbox_cmd[3] = region;
+       mbox_cmd[4] = field0;
+       mbox_cmd[5] = field1;
+
+       status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
+                                        &mbox_sts[0]);
+       if (status != QLA_SUCCESS) {
+               DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+                                 "status %04X\n", ha->host_no, __func__,
+                                 mbox_sts[0]));
+       }
+       return status;
+}