Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits)
  [SCSI] qla4xxx: export address/port of connection (fix udev disk names)
  [SCSI] ipr: Fix BUG on adapter dump timeout
  [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer
  [SCSI] hpsa: change confusing message to be more clear
  [SCSI] iscsi class: fix vlan configuration
  [SCSI] qla4xxx: fix data alignment and use nl helpers
  [SCSI] iscsi class: fix link local mispelling
  [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA
  [SCSI] aacraid: use lower snprintf() limit
  [SCSI] lpfc 8.3.27: Change driver version to 8.3.27
  [SCSI] lpfc 8.3.27: T10 additions for SLI4
  [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery
  [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name
  [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout
  [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes
  [SCSI] megaraid_sas: Changelog and version update
  [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic
  [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support
  [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers
  [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts
  ...

9 files changed, 356 insertions, 117 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index ddb04568a509..2703e3bedbf5 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -59,6 +59,7 @@ enum iscsi_uevent_e {
         ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST  = UEVENT_BASE + 19,
 
         ISCSI_UEVENT_PATH_UPDATE        = UEVENT_BASE + 20,
+        ISCSI_UEVENT_SET_IFACE_PARAMS   = UEVENT_BASE + 21,
 
         /* up events */
         ISCSI_KEVENT_RECV_PDU           = KEVENT_BASE + 1,
@@ -70,6 +71,7 @@ enum iscsi_uevent_e {
 
         ISCSI_KEVENT_PATH_REQ           = KEVENT_BASE + 7,
         ISCSI_KEVENT_IF_DOWN            = KEVENT_BASE + 8,
+        ISCSI_KEVENT_CONN_LOGIN_STATE   = KEVENT_BASE + 9,
 };
 
 enum iscsi_tgt_dscvr {
@@ -172,6 +174,10 @@ struct iscsi_uevent {
                 struct msg_set_path {
                         uint32_t        host_no;
                 } set_path;
+                struct msg_set_iface_params {
+                        uint32_t        host_no;
+                        uint32_t        count;
+                } set_iface_params;
         } u;
         union {
                 /* messages k -> u */
@@ -193,6 +199,11 @@ struct iscsi_uevent {
                         uint32_t        cid;
                         uint64_t        recv_handle;
                 } recv_req;
+                struct msg_conn_login {
+                        uint32_t        sid;
+                        uint32_t        cid;
+                        uint32_t        state; /* enum iscsi_conn_state */
+                } conn_login;
                 struct msg_conn_error {
                         uint32_t        sid;
                         uint32_t        cid;
@@ -214,6 +225,21 @@ struct iscsi_uevent {
         } r;
 } __attribute__ ((aligned (sizeof(uint64_t))));
 
+enum iscsi_param_type {
+        ISCSI_PARAM,            /* iscsi_param (session, conn, target, LU) */
+        ISCSI_HOST_PARAM,       /* iscsi_host_param */
+        ISCSI_NET_PARAM,        /* iscsi_net_param */
+};
+
+struct iscsi_iface_param_info {
+        uint32_t iface_num;     /* iface number, 0 - n */
+        uint32_t len;           /* Actual length of the param */
+        uint16_t param;         /* iscsi param value */
+        uint8_t iface_type;     /* IPv4 or IPv6 */
+        uint8_t param_type;     /* iscsi_param_type */
+        uint8_t value[0];       /* length sized value follows */
+} __packed;
+
 /*
  * To keep the struct iscsi_uevent size the same for userspace code
  * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
@@ -237,6 +263,71 @@ struct iscsi_path {
         uint16_t        pmtu;
 } __attribute__ ((aligned (sizeof(uint64_t))));
 
+/* iscsi iface enabled/disabled setting */
+#define ISCSI_IFACE_DISABLE     0x01
+#define ISCSI_IFACE_ENABLE      0x02
+
+/* ipv4 bootproto */
+#define ISCSI_BOOTPROTO_STATIC          0x01
+#define ISCSI_BOOTPROTO_DHCP            0x02
+
+/* ipv6 addr autoconfig type */
+#define ISCSI_IPV6_AUTOCFG_DISABLE              0x01
+#define ISCSI_IPV6_AUTOCFG_ND_ENABLE            0x02
+#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE        0x03
+
+/* ipv6 link local addr type */
+#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE     0x01
+#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE    0x02
+
+/* ipv6 router addr type */
+#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE        0x01
+#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE       0x02
+
+#define ISCSI_IFACE_TYPE_IPV4           0x01
+#define ISCSI_IFACE_TYPE_IPV6           0x02
+
+#define ISCSI_MAX_VLAN_ID               4095
+#define ISCSI_MAX_VLAN_PRIORITY         7
+
+/* iscsi vlan enable/disabled setting */
+#define ISCSI_VLAN_DISABLE      0x01
+#define ISCSI_VLAN_ENABLE       0x02
+
+/* iSCSI network params */
+enum iscsi_net_param {
+        ISCSI_NET_PARAM_IPV4_ADDR               = 1,
+        ISCSI_NET_PARAM_IPV4_SUBNET             = 2,
+        ISCSI_NET_PARAM_IPV4_GW                 = 3,
+        ISCSI_NET_PARAM_IPV4_BOOTPROTO          = 4,
+        ISCSI_NET_PARAM_MAC                     = 5,
+        ISCSI_NET_PARAM_IPV6_LINKLOCAL          = 6,
+        ISCSI_NET_PARAM_IPV6_ADDR               = 7,
+        ISCSI_NET_PARAM_IPV6_ROUTER             = 8,
+        ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG       = 9,
+        ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG  = 10,
+        ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG     = 11,
+        ISCSI_NET_PARAM_IFACE_ENABLE            = 12,
+        ISCSI_NET_PARAM_VLAN_ID                 = 13,
+        ISCSI_NET_PARAM_VLAN_PRIORITY           = 14,
+        ISCSI_NET_PARAM_VLAN_ENABLED            = 15,
+        ISCSI_NET_PARAM_VLAN_TAG                = 16,
+        ISCSI_NET_PARAM_IFACE_TYPE              = 17,
+        ISCSI_NET_PARAM_IFACE_NAME              = 18,
+        ISCSI_NET_PARAM_MTU                     = 19,
+        ISCSI_NET_PARAM_PORT                    = 20,
+};
+
+enum iscsi_conn_state {
+        ISCSI_CONN_STATE_FREE,
+        ISCSI_CONN_STATE_XPT_WAIT,
+        ISCSI_CONN_STATE_IN_LOGIN,
+        ISCSI_CONN_STATE_LOGGED_IN,
+        ISCSI_CONN_STATE_IN_LOGOUT,
+        ISCSI_CONN_STATE_LOGOUT_REQUESTED,
+        ISCSI_CONN_STATE_CLEANUP_WAIT,
+};
+
 /*
  * Common error codes
  */
@@ -319,44 +410,6 @@ enum iscsi_param {
         ISCSI_PARAM_MAX,
 };
 
-#define ISCSI_MAX_RECV_DLENGTH          (1ULL << ISCSI_PARAM_MAX_RECV_DLENGTH)
-#define ISCSI_MAX_XMIT_DLENGTH          (1ULL << ISCSI_PARAM_MAX_XMIT_DLENGTH)
-#define ISCSI_HDRDGST_EN                (1ULL << ISCSI_PARAM_HDRDGST_EN)
-#define ISCSI_DATADGST_EN               (1ULL << ISCSI_PARAM_DATADGST_EN)
-#define ISCSI_INITIAL_R2T_EN            (1ULL << ISCSI_PARAM_INITIAL_R2T_EN)
-#define ISCSI_MAX_R2T                   (1ULL << ISCSI_PARAM_MAX_R2T)
-#define ISCSI_IMM_DATA_EN               (1ULL << ISCSI_PARAM_IMM_DATA_EN)
-#define ISCSI_FIRST_BURST               (1ULL << ISCSI_PARAM_FIRST_BURST)
-#define ISCSI_MAX_BURST                 (1ULL << ISCSI_PARAM_MAX_BURST)
-#define ISCSI_PDU_INORDER_EN            (1ULL << ISCSI_PARAM_PDU_INORDER_EN)
-#define ISCSI_DATASEQ_INORDER_EN        (1ULL << ISCSI_PARAM_DATASEQ_INORDER_EN)
-#define ISCSI_ERL                       (1ULL << ISCSI_PARAM_ERL)
-#define ISCSI_IFMARKER_EN               (1ULL << ISCSI_PARAM_IFMARKER_EN)
-#define ISCSI_OFMARKER_EN               (1ULL << ISCSI_PARAM_OFMARKER_EN)
-#define ISCSI_EXP_STATSN                (1ULL << ISCSI_PARAM_EXP_STATSN)
-#define ISCSI_TARGET_NAME               (1ULL << ISCSI_PARAM_TARGET_NAME)
-#define ISCSI_TPGT                      (1ULL << ISCSI_PARAM_TPGT)
-#define ISCSI_PERSISTENT_ADDRESS        (1ULL << ISCSI_PARAM_PERSISTENT_ADDRESS)
-#define ISCSI_PERSISTENT_PORT           (1ULL << ISCSI_PARAM_PERSISTENT_PORT)
-#define ISCSI_SESS_RECOVERY_TMO         (1ULL << ISCSI_PARAM_SESS_RECOVERY_TMO)
-#define ISCSI_CONN_PORT                 (1ULL << ISCSI_PARAM_CONN_PORT)
-#define ISCSI_CONN_ADDRESS              (1ULL << ISCSI_PARAM_CONN_ADDRESS)
-#define ISCSI_USERNAME                  (1ULL << ISCSI_PARAM_USERNAME)
-#define ISCSI_USERNAME_IN               (1ULL << ISCSI_PARAM_USERNAME_IN)
-#define ISCSI_PASSWORD                  (1ULL << ISCSI_PARAM_PASSWORD)
-#define ISCSI_PASSWORD_IN               (1ULL << ISCSI_PARAM_PASSWORD_IN)
-#define ISCSI_FAST_ABORT                (1ULL << ISCSI_PARAM_FAST_ABORT)
-#define ISCSI_ABORT_TMO                 (1ULL << ISCSI_PARAM_ABORT_TMO)
-#define ISCSI_LU_RESET_TMO              (1ULL << ISCSI_PARAM_LU_RESET_TMO)
-#define ISCSI_HOST_RESET_TMO            (1ULL << ISCSI_PARAM_HOST_RESET_TMO)
-#define ISCSI_PING_TMO                  (1ULL << ISCSI_PARAM_PING_TMO)
-#define ISCSI_RECV_TMO                  (1ULL << ISCSI_PARAM_RECV_TMO)
-#define ISCSI_IFACE_NAME                (1ULL << ISCSI_PARAM_IFACE_NAME)
-#define ISCSI_ISID                      (1ULL << ISCSI_PARAM_ISID)
-#define ISCSI_INITIATOR_NAME            (1ULL << ISCSI_PARAM_INITIATOR_NAME)
-#define ISCSI_TGT_RESET_TMO             (1ULL << ISCSI_PARAM_TGT_RESET_TMO)
-#define ISCSI_TARGET_ALIAS              (1ULL << ISCSI_PARAM_TARGET_ALIAS)
-
 /* iSCSI HBA params */
 enum iscsi_host_param {
         ISCSI_HOST_PARAM_HWADDRESS,
@@ -366,11 +419,6 @@ enum iscsi_host_param {
         ISCSI_HOST_PARAM_MAX,
 };
 
-#define ISCSI_HOST_HWADDRESS            (1ULL << ISCSI_HOST_PARAM_HWADDRESS)
-#define ISCSI_HOST_INITIATOR_NAME       (1ULL << ISCSI_HOST_PARAM_INITIATOR_NAME)
-#define ISCSI_HOST_NETDEV_NAME          (1ULL << ISCSI_HOST_PARAM_NETDEV_NAME)
-#define ISCSI_HOST_IPADDRESS            (1ULL << ISCSI_HOST_PARAM_IPADDRESS)
-
 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
 
@@ -392,6 +440,7 @@ enum iscsi_host_param {
 #define CAP_DIGEST_OFFLOAD      0x1000  /* offload hdr and data digests */
 #define CAP_PADDING_OFFLOAD     0x2000  /* offload padding insertion, removal,
                                          and verification */
+#define CAP_LOGIN_OFFLOAD       0x4000  /* offload session login */
 
 /*
  * These flags describes reason of stop_conn() call
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 7d96829b0c00..5d1a758e0595 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -281,9 +281,6 @@ struct fc_seq_els_data {
  * @timer:           The command timer
  * @tm_done:         Completion indicator
  * @wait_for_comp:   Indicator to wait for completion of the I/O (in jiffies)
- * @start_time:      Timestamp indicating the start of the I/O (in jiffies)
- * @end_time:        Timestamp indicating the end of the I/O (in jiffies)
- * @last_pkt_time:   Timestamp of the last frame received (in jiffies)
  * @data_len:        The length of the data
  * @cdb_cmd:         The CDB command
  * @xfer_len:        The transfer length
@@ -304,50 +301,46 @@ struct fc_seq_els_data {
  * @recov_seq:       The sequence for REC or SRR
  */
 struct fc_fcp_pkt {
-        /* Housekeeping information */
-        struct fc_lport   *lp;
-        u16               state;
-        atomic_t          ref_cnt;
         spinlock_t        scsi_pkt_lock;
+        atomic_t          ref_cnt;
+
+        /* SCSI command and data transfer information */
+        u32               data_len;
 
         /* SCSI I/O related information */
         struct scsi_cmnd  *cmd;
         struct list_head  list;
 
-        /* Timeout related information */
-        struct timer_list timer;
-        struct completion tm_done;
-        int               wait_for_comp;
-        unsigned long     start_time;
-        unsigned long     end_time;
-        unsigned long     last_pkt_time;
-
-        /* SCSI command and data transfer information */
-        u32               data_len;
-
-        /* Transport related veriables */
-        struct fcp_cmnd   cdb_cmd;
-        size_t            xfer_len;
-        u16               xfer_ddp;
-        u32               xfer_contig_end;
-        u16               max_payload;
+        /* Housekeeping information */
+        struct fc_lport   *lp;
+        u8                state;
 
         /* SCSI/FCP return status */
-        u32               io_status;
         u8                cdb_status;
         u8                status_code;
         u8                scsi_comp_flags;
+        u32               io_status;
         u32               req_flags;
         u32               scsi_resid;
 
+        /* Transport related veriables */
+        size_t            xfer_len;
+        struct fcp_cmnd   cdb_cmd;
+        u32               xfer_contig_end;
+        u16               max_payload;
+        u16               xfer_ddp;
+
         /* Associated structures */
         struct fc_rport   *rport;
         struct fc_seq     *seq_ptr;
 
-        /* Error Processing information */
-        u8                recov_retry;
+        /* Timeout/error related information */
+        struct timer_list timer;
+        int               wait_for_comp;
+        u32               recov_retry;
         struct fc_seq     *recov_seq;
-};
+        struct completion tm_done;
+} ____cacheline_aligned_in_smp;
 
 /*
  * Structure and function definitions for managing Fibre Channel Exchanges
@@ -413,35 +406,32 @@ struct fc_seq {
  *      sequence allocation
  */
 struct fc_exch {
+        spinlock_t          ex_lock;
+        atomic_t            ex_refcnt;
+        enum fc_class       class;
         struct fc_exch_mgr  *em;
         struct fc_exch_pool *pool;
-        u32                 state;
-        u16                 xid;
         struct list_head    ex_list;
-        spinlock_t          ex_lock;
-        atomic_t            ex_refcnt;
-        struct delayed_work timeout_work;
         struct fc_lport     *lp;
+        u32                 esb_stat;
+        u8                  state;
+        u8                  fh_type;
+        u8                  seq_id;
+        u8                  encaps;
+        u16                 xid;
         u16                 oxid;
         u16                 rxid;
         u32                 oid;
         u32                 sid;
         u32                 did;
-        u32                 esb_stat;
         u32                 r_a_tov;
-        u8                  seq_id;
-        u8                  encaps;
         u32                 f_ctl;
-        u8                  fh_type;
-        enum fc_class       class;
-        struct fc_seq       seq;
-
+        struct fc_seq       seq;
         void                (*resp)(struct fc_seq *, struct fc_frame *, void *);
         void                *arg;
-
         void                (*destructor)(struct fc_seq *, void *);
-
-};
+        struct delayed_work timeout_work;
+} ____cacheline_aligned_in_smp;
 #define fc_seq_exch(sp) container_of(sp, struct fc_exch, seq)
 
 
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 8c1638b8c28e..d1e95c6ac776 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -229,6 +229,11 @@ int fcoe_libfc_config(struct fc_lport *, struct fcoe_ctlr *,
                       const struct libfc_function_template *, int init_fcp);
 u32 fcoe_fc_crc(struct fc_frame *fp);
 int fcoe_start_io(struct sk_buff *skb);
+int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
+void __fcoe_get_lesb(struct fc_lport *lport, struct fc_els_lesb *fc_lesb,
+                     struct net_device *netdev);
+void fcoe_wwn_to_str(u64 wwn, char *buf, int len);
+int fcoe_validate_vport_create(struct fc_vport *vport);
 
 /**
  * is_fip_mode() - returns true if FIP mode selected.
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index ee866060f8a4..6a308d42d98f 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -142,8 +142,11 @@ struct expander_device {
         u16    ex_change_count;
         u16    max_route_indexes;
         u8     num_phys;
+
+        u8     t2t_supp:1;
         u8     configuring:1;
         u8     conf_route_table:1;
+
         u8     enclosure_logical_id[8];
 
         struct ex_phy *ex_phy;
@@ -386,6 +389,11 @@ sdev_to_domain_dev(struct scsi_device *sdev) {
         return starget_to_domain_dev(sdev->sdev_target);
 }
 
+static inline struct ata_device *sas_to_ata_dev(struct domain_device *dev)
+{
+        return &dev->sata_dev.ap->link.device[0];
+}
+
 static inline struct domain_device *
 cmd_to_domain_dev(struct scsi_cmnd *cmd)
 {
@@ -405,6 +413,20 @@ static inline void sas_phy_disconnected(struct asd_sas_phy *phy)
         phy->linkrate = SAS_LINK_RATE_UNKNOWN;
 }
 
+static inline unsigned int to_sas_gpio_od(int device, int bit)
+{
+        return 3 * device + bit;
+}
+
+#ifdef CONFIG_SCSI_SAS_HOST_SMP
+int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count);
+#else
+static inline int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count)
+{
+        return -1;
+}
+#endif
+
 /* ---------- Tasks ---------- */
 /*
       service_response |  SAS_TASK_COMPLETE  |  SAS_TASK_UNDELIVERED |
@@ -555,36 +577,14 @@ struct sas_task {
         struct work_struct abort_work;
 };
 
-extern struct kmem_cache *sas_task_cache;
-
 #define SAS_TASK_STATE_PENDING      1
 #define SAS_TASK_STATE_DONE         2
 #define SAS_TASK_STATE_ABORTED      4
 #define SAS_TASK_NEED_DEV_RESET     8
 #define SAS_TASK_AT_INITIATOR       16
 
-static inline struct sas_task *sas_alloc_task(gfp_t flags)
-{
-        struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
-
-        if (task) {
-                INIT_LIST_HEAD(&task->list);
-                spin_lock_init(&task->task_state_lock);
-                task->task_state_flags = SAS_TASK_STATE_PENDING;
-                init_timer(&task->timer);
-                init_completion(&task->completion);
-        }
-
-        return task;
-}
-
-static inline void sas_free_task(struct sas_task *task)
-{
-        if (task) {
-                BUG_ON(!list_empty(&task->list));
-                kmem_cache_free(sas_task_cache, task);
-        }
-}
+extern struct sas_task *sas_alloc_task(gfp_t flags);
+extern void sas_free_task(struct sas_task *task);
 
 struct sas_domain_function_template {
         /* The class calls these to notify the LLDD of an event. */
@@ -614,6 +614,10 @@ struct sas_domain_function_template {
 
         /* Phy management */
         int (*lldd_control_phy)(struct asd_sas_phy *, enum phy_func, void *);
+
+        /* GPIO support */
+        int (*lldd_write_gpio)(struct sas_ha_struct *, u8 reg_type,
+                               u8 reg_index, u8 reg_count, u8 *write_data);
 };
 
 extern int sas_register_ha(struct sas_ha_struct *);
@@ -652,7 +656,7 @@ int  sas_discover_event(struct asd_sas_port *, enum discover_event ev);
 int  sas_discover_sata(struct domain_device *);
 int  sas_discover_end_dev(struct domain_device *);
 
-void sas_unregister_dev(struct domain_device *);
+void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *);
 
 void sas_init_dev(struct domain_device *);
 
diff --git a/include/scsi/sas.h b/include/scsi/sas.h
index e9fd02281381..3673d685e6ad 100644
--- a/include/scsi/sas.h
+++ b/include/scsi/sas.h
@@ -108,6 +108,7 @@ enum sas_protocol {
         SAS_PROTOCOL_STP                = 0x04,
         SAS_PROTOCOL_SSP                = 0x08,
         SAS_PROTOCOL_ALL                = 0x0E,
+        SAS_PROTOCOL_STP_ALL            = SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA,
 };
 
 /* From the spec; local phys only */
@@ -121,6 +122,7 @@ enum phy_func {
         PHY_FUNC_TX_SATA_PS_SIGNAL,
         PHY_FUNC_RELEASE_SPINUP_HOLD = 0x10, /* LOCAL PORT ONLY! */
         PHY_FUNC_SET_LINK_RATE,
+        PHY_FUNC_GET_EVENTS,
 };
 
 /* SAS LLDD would need to report only _very_few_ of those, like BROADCAST.
@@ -195,6 +197,14 @@ enum sas_open_rej_reason {
         SAS_OREJ_RSVD_RETRY = 18,
 };
 
+enum sas_gpio_reg_type {
+        SAS_GPIO_REG_CFG   = 0,
+        SAS_GPIO_REG_RX    = 1,
+        SAS_GPIO_REG_RX_GP = 2,
+        SAS_GPIO_REG_TX    = 3,
+        SAS_GPIO_REG_TX_GP = 4,
+};
+
 struct  dev_to_host_fis {
         u8     fis_type;          /* 0x34 */
         u8     flags;
@@ -341,7 +351,12 @@ struct report_general_resp {
 
         u8      conf_route_table:1;
         u8      configuring:1;
-        u8      _r_b:6;
+        u8      config_others:1;
+        u8      orej_retry_supp:1;
+        u8      stp_cont_awt:1;
+        u8      self_config:1;
+        u8      zone_config:1;
+        u8      t2t_supp:1;
 
         u8      _r_c;
 
@@ -528,7 +543,12 @@ struct report_general_resp {
         u8      _r_a;
         u8      num_phys;
 
-        u8      _r_b:6;
+        u8      t2t_supp:1;
+        u8      zone_config:1;
+        u8      self_config:1;
+        u8      stp_cont_awt:1;
+        u8      orej_retry_supp:1;
+        u8      config_others:1;
         u8      configuring:1;
         u8      conf_route_table:1;
 
diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h
new file mode 100644
index 000000000000..fd5689d4c052
--- /dev/null
+++ b/include/scsi/scsi_bsg_iscsi.h
@@ -0,0 +1,110 @@
+/*
+ *  iSCSI Transport BSG Interface
+ *
+ *  Copyright (C) 2009   James Smart, Emulex Corporation
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef SCSI_BSG_ISCSI_H
+#define SCSI_BSG_ISCSI_H
+
+/*
+ * This file intended to be included by both kernel and user space
+ */
+
+#include <scsi/scsi.h>
+
+/*
+ * iSCSI Transport SGIO v4 BSG Message Support
+ */
+
+/* Default BSG request timeout (in seconds) */
+#define ISCSI_DEFAULT_BSG_TIMEOUT      (10 * HZ)
+
+
+/*
+ * Request Message Codes supported by the iSCSI Transport
+ */
+
+/* define the class masks for the message codes */
+#define ISCSI_BSG_CLS_MASK     0xF0000000      /* find object class */
+#define ISCSI_BSG_HST_MASK     0x80000000      /* iscsi host class */
+
+/* iscsi host Message Codes */
+#define ISCSI_BSG_HST_VENDOR           (ISCSI_BSG_HST_MASK | 0x000000FF)
+
+
+/*
+ * iSCSI Host Messages
+ */
+
+/* ISCSI_BSG_HST_VENDOR : */
+
+/* Request:
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ *   formatting requirements specified in scsi_netlink.h
+ */
+struct iscsi_bsg_host_vendor {
+        /*
+         * Identifies the vendor that the message is formatted for. This
+         * should be the recipient of the message.
+         */
+        uint64_t vendor_id;
+
+        /* start of vendor command area */
+        uint32_t vendor_cmd[0];
+};
+
+/* Response:
+ */
+struct iscsi_bsg_host_vendor_reply {
+        /* start of vendor response area */
+        uint32_t vendor_rsp[0];
+};
+
+
+/* request (CDB) structure of the sg_io_v4 */
+struct iscsi_bsg_request {
+        uint32_t msgcode;
+        union {
+                struct iscsi_bsg_host_vendor    h_vendor;
+        } rqst_data;
+} __attribute__((packed));
+
+
+/* response (request sense data) structure of the sg_io_v4 */
+struct iscsi_bsg_reply {
+        /*
+         * The completion result. Result exists in two forms:
+         * if negative, it is an -Exxx system errno value. There will
+         * be no further reply information supplied.
+         * else, it's the 4-byte scsi error result, with driver, host,
+         * msg and status fields. The per-msgcode reply structure
+         * will contain valid data.
+         */
+        uint32_t result;
+
+        /* If there was reply_payload, how much was recevied ? */
+        uint32_t reply_payload_rcv_len;
+
+        union {
+                struct iscsi_bsg_host_vendor_reply      vendor_reply;
+        } reply_data;
+};
+
+
+#endif /* SCSI_BSG_ISCSI_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index d371c3ca90c3..5591ed54dc93 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -197,6 +197,7 @@ struct scsi_device_handler {
         int (*activate)(struct scsi_device *, activate_complete, void *);
         int (*prep_fn)(struct scsi_device *, struct request *);
         int (*set_params)(struct scsi_device *, const char *);
+        bool (*match)(struct scsi_device *);
 };
 
 struct scsi_dh_data {
@@ -471,6 +472,11 @@ static inline int scsi_device_protection(struct scsi_device *sdev)
         return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);
 }
 
+static inline int scsi_device_tpgs(struct scsi_device *sdev)
+{
+        return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0;
+}
+
 #define MODULE_ALIAS_SCSI_DEVICE(type) \
         MODULE_ALIAS("scsi:t-" __stringify(type) "*")
 #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index f1f2644137b8..50266c9405fc 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -355,6 +355,19 @@ struct scsi_host_template {
          */
         enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
 
+        /* This is an optional routine that allows transport to initiate
+         * LLD adapter or firmware reset using sysfs attribute.
+         *
+         * Return values: 0 on success, -ve value on failure.
+         *
+         * Status: OPTIONAL
+         */
+
+        int (*host_reset)(struct Scsi_Host *shost, int reset_type);
+#define SCSI_ADAPTER_RESET      1
+#define SCSI_FIRMWARE_RESET     2
+
+
         /*
          * Name of proc directory
          */
@@ -791,7 +804,8 @@ static inline struct device *scsi_get_device(struct Scsi_Host *shost)
  **/
 static inline int scsi_host_scan_allowed(struct Scsi_Host *shost)
 {
-        return shost->shost_state == SHOST_RUNNING;
+        return shost->shost_state == SHOST_RUNNING ||
+               shost->shost_state == SHOST_RECOVERY;
 }
 
 extern void scsi_unblock_requests(struct Scsi_Host *);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index bf8f52965675..5994bcc1b017 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -37,6 +37,8 @@ struct iscsi_cls_conn;
 struct iscsi_conn;
 struct iscsi_task;
 struct sockaddr;
+struct iscsi_iface;
+struct bsg_job;
 
 /**
  * struct iscsi_transport - iSCSI Transport template
@@ -84,9 +86,7 @@ struct iscsi_transport {
         struct module *owner;
         char *name;
         unsigned int caps;
-        /* LLD sets this to indicate what values it can export to sysfs */
-        uint64_t param_mask;
-        uint64_t host_param_mask;
+
         struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep,
                                         uint16_t cmds_max, uint16_t qdepth,
                                         uint32_t sn);
@@ -137,6 +137,13 @@ struct iscsi_transport {
         int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type,
                           uint32_t enable, struct sockaddr *dst_addr);
         int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params);
+        int (*set_iface_param) (struct Scsi_Host *shost, void *data,
+                                uint32_t len);
+        int (*get_iface_param) (struct iscsi_iface *iface,
+                                enum iscsi_param_type param_type,
+                                int param, char *buf);
+        mode_t (*attr_is_visible)(int param_type, int param);
+        int (*bsg_request)(struct bsg_job *job);
 };
 
 /*
@@ -150,6 +157,8 @@ extern int iscsi_unregister_transport(struct iscsi_transport *tt);
  */
 extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn,
                                    enum iscsi_err error);
+extern void iscsi_conn_login_event(struct iscsi_cls_conn *conn,
+                                   enum iscsi_conn_state state);
 extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
                           char *data, uint32_t data_size);
 
@@ -171,6 +180,9 @@ struct iscsi_cls_conn {
 #define iscsi_dev_to_conn(_dev) \
         container_of(_dev, struct iscsi_cls_conn, dev)
 
+#define transport_class_to_conn(_cdev) \
+        iscsi_dev_to_conn(_cdev->parent)
+
 #define iscsi_conn_to_session(_conn) \
         iscsi_dev_to_session(_conn->dev.parent)
 
@@ -197,6 +209,7 @@ struct iscsi_cls_session {
         struct delayed_work recovery_work;
 
         unsigned int target_id;
+        bool ida_used;
 
         int state;
         int sid;                                /* session id */
@@ -207,6 +220,9 @@ struct iscsi_cls_session {
 #define iscsi_dev_to_session(_dev) \
         container_of(_dev, struct iscsi_cls_session, dev)
 
+#define transport_class_to_session(_cdev) \
+        iscsi_dev_to_session(_cdev->parent)
+
 #define iscsi_session_to_shost(_session) \
         dev_to_shost(_session->dev.parent)
 
@@ -216,8 +232,12 @@ struct iscsi_cls_session {
 struct iscsi_cls_host {
         atomic_t nr_scans;
         struct mutex mutex;
+        struct request_queue *bsg_q;
 };
 
+#define iscsi_job_to_shost(_job) \
+        dev_to_shost(_job->dev)
+
 extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
                                 void (*fn)(struct iscsi_cls_session *));
 
@@ -228,6 +248,20 @@ struct iscsi_endpoint {
         struct iscsi_cls_conn *conn;
 };
 
+struct iscsi_iface {
+        struct device dev;
+        struct iscsi_transport *transport;
+        uint32_t iface_type;    /* IPv4 or IPv6 */
+        uint32_t iface_num;     /* iface number, 0 - n */
+        void *dd_data;          /* LLD private data */
+};
+
+#define iscsi_dev_to_iface(_dev) \
+        container_of(_dev, struct iscsi_iface, dev)
+
+#define iscsi_iface_to_shost(_iface) \
+        dev_to_shost(_iface->dev.parent)
+
 /*
  * session and connection functions that can be used by HW iSCSI LLDs
  */
@@ -238,6 +272,7 @@ struct iscsi_endpoint {
         dev_printk(prefix, &(_cls_conn)->dev, fmt, ##a)
 
 extern int iscsi_session_chkready(struct iscsi_cls_session *session);
+extern int iscsi_is_session_online(struct iscsi_cls_session *session);
 extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost,
                                 struct iscsi_transport *transport, int dd_size);
 extern int iscsi_add_session(struct iscsi_cls_session *session,
@@ -261,5 +296,11 @@ extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size);
 extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep);
 extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle);
 extern int iscsi_block_scsi_eh(struct scsi_cmnd *cmd);
+extern struct iscsi_iface *iscsi_create_iface(struct Scsi_Host *shost,
+                                              struct iscsi_transport *t,
+                                              uint32_t iface_type,
+                                              uint32_t iface_num, int dd_size);
+extern void iscsi_destroy_iface(struct iscsi_iface *iface);
+extern struct iscsi_iface *iscsi_lookup_iface(int handle);
 
 #endif