7 files changed, 284 insertions, 51 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 55ebf035e620..50e907f42048 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -48,6 +48,7 @@ enum iscsi_uevent_e {
         ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT    = UEVENT_BASE + 14,
 
         ISCSI_UEVENT_TGT_DSCVR          = UEVENT_BASE + 15,
+        ISCSI_UEVENT_SET_HOST_PARAM     = UEVENT_BASE + 16,
 
         /* up events */
         ISCSI_KEVENT_RECV_PDU           = KEVENT_BASE + 1,
@@ -71,6 +72,8 @@ struct iscsi_uevent {
                 /* messages u -> k */
                 struct msg_create_session {
                         uint32_t        initial_cmdsn;
+                        uint16_t        cmds_max;
+                        uint16_t        queue_depth;
                 } c_session;
                 struct msg_destroy_session {
                         uint32_t        sid;
@@ -136,6 +139,11 @@ struct iscsi_uevent {
                          */
                         uint32_t        enable;
                 } tgt_dscvr;
+                struct msg_set_host_param {
+                        uint32_t        host_no;
+                        uint32_t        param; /* enum iscsi_host_param */
+                        uint32_t        len;
+                } set_host_param;
         } u;
         union {
                 /* messages k -> u */
@@ -223,6 +231,11 @@ enum iscsi_param {
         ISCSI_PARAM_CONN_PORT,
         ISCSI_PARAM_CONN_ADDRESS,
 
+        ISCSI_PARAM_USERNAME,
+        ISCSI_PARAM_USERNAME_IN,
+        ISCSI_PARAM_PASSWORD,
+        ISCSI_PARAM_PASSWORD_IN,
+
         /* must always be last */
         ISCSI_PARAM_MAX,
 };
@@ -249,6 +262,24 @@ enum iscsi_param {
 #define ISCSI_SESS_RECOVERY_TMO         (1 << ISCSI_PARAM_SESS_RECOVERY_TMO)
 #define ISCSI_CONN_PORT                 (1 << ISCSI_PARAM_CONN_PORT)
 #define ISCSI_CONN_ADDRESS              (1 << ISCSI_PARAM_CONN_ADDRESS)
+#define ISCSI_USERNAME                  (1 << ISCSI_PARAM_USERNAME)
+#define ISCSI_USERNAME_IN               (1 << ISCSI_PARAM_USERNAME_IN)
+#define ISCSI_PASSWORD                  (1 << ISCSI_PARAM_PASSWORD)
+#define ISCSI_PASSWORD_IN               (1 << ISCSI_PARAM_PASSWORD_IN)
+
+/* iSCSI HBA params */
+enum iscsi_host_param {
+        ISCSI_HOST_PARAM_HWADDRESS,
+        ISCSI_HOST_PARAM_INITIATOR_NAME,
+        ISCSI_HOST_PARAM_NETDEV_NAME,
+        ISCSI_HOST_PARAM_IPADDRESS,
+        ISCSI_HOST_PARAM_MAX,
+};
+
+#define ISCSI_HOST_HWADDRESS            (1 << ISCSI_HOST_PARAM_HWADDRESS)
+#define ISCSI_HOST_INITIATOR_NAME       (1 << ISCSI_HOST_PARAM_INITIATOR_NAME)
+#define ISCSI_HOST_NETDEV_NAME          (1 << ISCSI_HOST_PARAM_NETDEV_NAME)
+#define ISCSI_HOST_IPADDRESS            (1 << ISCSI_HOST_PARAM_IPADDRESS)
 
 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
@@ -272,6 +303,9 @@ enum iscsi_param {
 #define CAP_MULTI_CONN          0x40
 #define CAP_TEXT_NEGO           0x80
 #define CAP_MARKERS             0x100
+#define CAP_FW_DB               0x200
+#define CAP_SENDTARGETS_OFFLOAD 0x400
+#define CAP_DATA_PATH_OFFLOAD   0x800
 
 /*
  * These flags describes reason of stop_conn() call
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ea0816d4904d..3f631b08a1ab 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -48,9 +48,8 @@ struct iscsi_nopin;
 #define debug_scsi(fmt...)
 #endif
 
-#define ISCSI_XMIT_CMDS_MAX     128     /* must be power of 2 */
-#define ISCSI_MGMT_CMDS_MAX     32      /* must be power of 2 */
-#define ISCSI_CONN_MAX                  1
+#define ISCSI_DEF_XMIT_CMDS_MAX 128     /* must be power of 2 */
+#define ISCSI_MGMT_CMDS_MAX     16      /* must be power of 2 */
 
 #define ISCSI_MGMT_ITT_OFFSET   0xa00
 
@@ -73,6 +72,8 @@ struct iscsi_nopin;
 #define ISCSI_AGE_SHIFT                 28
 #define ISCSI_AGE_MASK                  (0xf << ISCSI_AGE_SHIFT)
 
+#define ISCSI_ADDRESS_BUF_LEN           64
+
 struct iscsi_mgmt_task {
         /*
          * Becuae LLDs allocate their hdr differently, this is a pointer to
@@ -80,7 +81,7 @@ struct iscsi_mgmt_task {
          */
         struct iscsi_hdr        *hdr;
         char                    *data;          /* mgmt payload */
-        int                     data_count;     /* counts data to be sent */
+        unsigned                data_count;     /* counts data to be sent */
         uint32_t                itt;            /* this ITT */
         void                    *dd_data;       /* driver/transport data */
         struct list_head        running;
@@ -90,6 +91,7 @@ enum {
         ISCSI_TASK_COMPLETED,
         ISCSI_TASK_PENDING,
         ISCSI_TASK_RUNNING,
+        ISCSI_TASK_ABORTING,
 };
 
 struct iscsi_cmd_task {
@@ -99,16 +101,14 @@ struct iscsi_cmd_task {
          */
         struct iscsi_cmd        *hdr;
         int                     itt;            /* this ITT */
-        int                     datasn;         /* DataSN */
 
         uint32_t                unsol_datasn;
-        int                     imm_count;      /* imm-data (bytes)   */
-        int                     unsol_count;    /* unsolicited (bytes)*/
+        unsigned                imm_count;      /* imm-data (bytes)   */
+        unsigned                unsol_count;    /* unsolicited (bytes)*/
         /* offset in unsolicited stream (bytes); */
-        int                     unsol_offset;
-        int                     data_count;     /* remaining Data-Out */
+        unsigned                unsol_offset;
+        unsigned                data_count;     /* remaining Data-Out */
         struct scsi_cmnd        *sc;            /* associated SCSI cmd*/
-        int                     total_length;
         struct iscsi_conn       *conn;          /* used connection    */
         struct iscsi_mgmt_task  *mtask;         /* tmf mtask in progr */
 
@@ -152,18 +152,11 @@ struct iscsi_conn {
         struct iscsi_cmd_task   *ctask;         /* xmit ctask in progress */
 
         /* xmit */
-        struct kfifo            *immqueue;      /* immediate xmit queue */
         struct kfifo            *mgmtqueue;     /* mgmt (control) xmit queue */
         struct list_head        mgmt_run_list;  /* list of control tasks */
         struct list_head        xmitqueue;      /* data-path cmd queue */
         struct list_head        run_list;       /* list of cmds in progress */
         struct work_struct      xmitwork;       /* per-conn. xmit workqueue */
-        /*
-         * serializes connection xmit, access to kfifos:
-         * xmitqueue, immqueue, mgmtqueue
-         */
-        struct mutex            xmitmutex;
-
         unsigned long           suspend_tx;     /* suspend Tx */
         unsigned long           suspend_rx;     /* suspend Rx */
 
@@ -174,8 +167,8 @@ struct iscsi_conn {
         int                     tmabort_state;  /* see TMABORT_INITIAL, etc.*/
 
         /* negotiated params */
-        int                     max_recv_dlength; /* initiator_max_recv_dsl*/
-        int                     max_xmit_dlength; /* target_max_recv_dsl */
+        unsigned                max_recv_dlength; /* initiator_max_recv_dsl*/
+        unsigned                max_xmit_dlength; /* target_max_recv_dsl */
         int                     hdrdgst_en;
         int                     datadgst_en;
         int                     ifmarker_en;
@@ -183,6 +176,12 @@ struct iscsi_conn {
         /* values userspace uses to id a conn */
         int                     persistent_port;
         char                    *persistent_address;
+        /* remote portal currently connected to */
+        int                     portal_port;
+        char                    portal_address[ISCSI_ADDRESS_BUF_LEN];
+        /* local address */
+        int                     local_port;
+        char                    local_address[ISCSI_ADDRESS_BUF_LEN];
 
         /* MIB-statistics */
         uint64_t                txdata_octets;
@@ -213,18 +212,25 @@ struct iscsi_session {
 
         /* configuration */
         int                     initial_r2t_en;
-        int                     max_r2t;
+        unsigned                max_r2t;
         int                     imm_data_en;
-        int                     first_burst;
-        int                     max_burst;
+        unsigned                first_burst;
+        unsigned                max_burst;
         int                     time2wait;
         int                     time2retain;
         int                     pdu_inorder_en;
         int                     dataseq_inorder_en;
         int                     erl;
         int                     tpgt;
+        char                    *username;
+        char                    *username_in;
+        char                    *password;
+        char                    *password_in;
         char                    *targetname;
-
+        char                    *initiatorname;
+        /* hw address or netdev iscsi connection is bound to */
+        char                    *hwaddress;
+        char                    *netdev;
         /* control data */
         struct iscsi_transport  *tt;
         struct Scsi_Host        *host;
@@ -255,12 +261,22 @@ extern int iscsi_eh_host_reset(struct scsi_cmnd *sc);
 extern int iscsi_queuecommand(struct scsi_cmnd *sc,
                               void (*done)(struct scsi_cmnd *));
 
+
+/*
+ * iSCSI host helpers.
+ */
+extern int iscsi_host_set_param(struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf,
+                                int buflen);
+extern int iscsi_host_get_param(struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf);
+
 /*
  * session management
  */
 extern struct iscsi_cls_session *
 iscsi_session_setup(struct iscsi_transport *, struct scsi_transport_template *,
-                    int, int, uint32_t, uint32_t *);
+                    uint16_t, uint16_t, int, int, uint32_t, uint32_t *);
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern struct iscsi_session *class_to_transport_session(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
@@ -289,8 +305,7 @@ extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
 /*
  * pdu and task processing
  */
-extern int iscsi_check_assign_cmdsn(struct iscsi_session *,
-                                    struct iscsi_nopin *);
+extern void iscsi_update_cmdsn(struct iscsi_session *, struct iscsi_nopin *);
 extern void iscsi_prep_unsolicit_data_pdu(struct iscsi_cmd_task *,
                                         struct iscsi_data *hdr);
 extern int iscsi_conn_send_pdu(struct iscsi_cls_conn *, struct iscsi_hdr *,
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a2e0c1032491..53e170586c26 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -135,4 +135,24 @@ extern void scsi_kunmap_atomic_sg(void *virt);
 extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t);
 extern void scsi_free_sgtable(struct scatterlist *, int);
 
+extern int scsi_dma_map(struct scsi_cmnd *cmd);
+extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
+
+#define scsi_sg_count(cmd) ((cmd)->use_sg)
+#define scsi_sglist(cmd) ((struct scatterlist *)(cmd)->request_buffer)
+#define scsi_bufflen(cmd) ((cmd)->request_bufflen)
+
+static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)
+{
+        cmd->resid = resid;
+}
+
+static inline int scsi_get_resid(struct scsi_cmnd *cmd)
+{
+        return cmd->resid;
+}
+
+#define scsi_for_each_sg(cmd, sg, nseg, __i)                    \
+        for (__i = 0, sg = scsi_sglist(cmd); __i < (nseg); __i++, (sg)++)
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 2f3c5b8b1d6a..d5057bc338ff 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -209,7 +209,6 @@ extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
 extern int scsi_add_device(struct Scsi_Host *host, uint channel,
                            uint target, uint lun);
 extern void scsi_remove_device(struct scsi_device *);
-extern int scsi_device_cancel(struct scsi_device *, int);
 
 extern int scsi_device_get(struct scsi_device *);
 extern void scsi_device_put(struct scsi_device *);
@@ -287,6 +286,7 @@ extern void scsi_target_block(struct device *);
 extern void scsi_target_unblock(struct device *);
 extern void scsi_remove_target(struct device *);
 extern void int_to_scsilun(unsigned int, struct scsi_lun *);
+extern int scsilun_to_int(struct scsi_lun *);
 extern const char *scsi_device_state_name(enum scsi_device_state);
 extern int scsi_is_sdev_device(const struct device *);
 extern int scsi_is_target_device(const struct device *);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 68f461b7a835..ba07cf7c04ba 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -339,12 +339,6 @@ struct scsi_host_template {
         enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
 
         /*
-         * suspend support
-         */
-        int (*resume)(struct scsi_device *);
-        int (*suspend)(struct scsi_device *, pm_message_t state);
-
-        /*
          * Name of proc directory
          */
         char *proc_name;
@@ -677,6 +671,10 @@ struct Scsi_Host {
 #define shost_printk(prefix, shost, fmt, a...)  \
         dev_printk(prefix, &(shost)->shost_gendev, fmt, ##a)
 
+static inline void *shost_priv(struct Scsi_Host *shost)
+{
+        return (void *)shost->hostdata;
+}
 
 int scsi_is_host_device(const struct device *);
 
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 1e797308640a..a0d80bcaa93d 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -1,4 +1,4 @@
-/* 
+/*
  *  FiberChannel transport specific attributes exported to sysfs.
  *
  *  Copyright (c) 2003 Silicon Graphics, Inc.  All rights reserved.
@@ -19,7 +19,7 @@
  *
  *  ========
  *
- *  Copyright (C) 2004-2005   James Smart, Emulex Corporation
+ *  Copyright (C) 2004-2007   James Smart, Emulex Corporation
  *    Rewrite for host, target, device, and remote port attributes,
  *    statistics, and service functions...
  *
@@ -62,8 +62,10 @@ enum fc_port_type {
         FC_PORTTYPE_NLPORT,             /* (Public) Loop w/ FLPort */
         FC_PORTTYPE_LPORT,              /* (Private) Loop w/o FLPort */
         FC_PORTTYPE_PTP,                /* Point to Point w/ another NPort */
+        FC_PORTTYPE_NPIV,               /* VPORT based on NPIV */
 };
 
+
 /*
  * fc_port_state: If you alter this, you also need to alter scsi_transport_fc.c
  * (for the ascii descriptions).
@@ -83,7 +85,26 @@ enum fc_port_state {
 };
 
 
-/* 
+/*
+ * fc_vport_state: If you alter this, you also need to alter
+ * scsi_transport_fc.c (for the ascii descriptions).
+ */
+enum fc_vport_state {
+        FC_VPORT_UNKNOWN,
+        FC_VPORT_ACTIVE,
+        FC_VPORT_DISABLED,
+        FC_VPORT_LINKDOWN,
+        FC_VPORT_INITIALIZING,
+        FC_VPORT_NO_FABRIC_SUPP,
+        FC_VPORT_NO_FABRIC_RSCS,
+        FC_VPORT_FABRIC_LOGOUT,
+        FC_VPORT_FABRIC_REJ_WWN,
+        FC_VPORT_FAILED,
+};
+
+
+
+/*
  * FC Classes of Service
  * Note: values are not enumerated, as they can be "or'd" together
  * for reporting (e.g. report supported_classes). If you alter this list,
@@ -96,7 +117,7 @@ enum fc_port_state {
 #define FC_COS_CLASS4                   0x10
 #define FC_COS_CLASS6                   0x40
 
-/* 
+/*
  * FC Port Speeds
  * Note: values are not enumerated, as they can be "or'd" together
  * for reporting (e.g. report supported_speeds). If you alter this list,
@@ -124,16 +145,114 @@ enum fc_tgtid_binding_type  {
 };
 
 /*
- * FC Remote Port Roles
+ * FC Port Roles
  * Note: values are not enumerated, as they can be "or'd" together
  * for reporting (e.g. report roles). If you alter this list,
  * you also need to alter scsi_transport_fc.c (for the ascii descriptions).
  */
-#define FC_RPORT_ROLE_UNKNOWN                   0x00
-#define FC_RPORT_ROLE_FCP_TARGET                0x01
-#define FC_RPORT_ROLE_FCP_INITIATOR             0x02
-#define FC_RPORT_ROLE_IP_PORT                   0x04
+#define FC_PORT_ROLE_UNKNOWN                    0x00
+#define FC_PORT_ROLE_FCP_TARGET                 0x01
+#define FC_PORT_ROLE_FCP_INITIATOR              0x02
+#define FC_PORT_ROLE_IP_PORT                    0x04
+
+/* The following are for compatibility */
+#define FC_RPORT_ROLE_UNKNOWN                   FC_PORT_ROLE_UNKNOWN
+#define FC_RPORT_ROLE_FCP_TARGET                FC_PORT_ROLE_FCP_TARGET
+#define FC_RPORT_ROLE_FCP_INITIATOR             FC_PORT_ROLE_FCP_INITIATOR
+#define FC_RPORT_ROLE_IP_PORT                   FC_PORT_ROLE_IP_PORT
+
+
+/* Macro for use in defining Virtual Port attributes */
+#define FC_VPORT_ATTR(_name,_mode,_show,_store)                         \
+struct class_device_attribute class_device_attr_vport_##_name =         \
+        __ATTR(_name,_mode,_show,_store)
+
+
+/*
+ * FC Virtual Port Attributes
+ *
+ * This structure exists for each FC port is a virtual FC port. Virtual
+ * ports share the physical link with the Physical port. Each virtual
+ * ports has a unique presense on the SAN, and may be instantiated via
+ * NPIV, Virtual Fabrics, or via additional ALPAs. As the vport is a
+ * unique presense, each vport has it's own view of the fabric,
+ * authentication priviledge, and priorities.
+ *
+ * A virtual port may support 1 or more FC4 roles. Typically it is a
+ * FCP Initiator. It could be a FCP Target, or exist sole for an IP over FC
+ * roles. FC port attributes for the vport will be reported on any
+ * fc_host class object allocated for an FCP Initiator.
+ *
+ * --
+ *
+ * Fixed attributes are not expected to change. The driver is
+ * expected to set these values after receiving the fc_vport structure
+ * via the vport_create() call from the transport.
+ * The transport fully manages all get functions w/o driver interaction.
+ *
+ * Dynamic attributes are expected to change. The driver participates
+ * in all get/set operations via functions provided by the driver.
+ *
+ * Private attributes are transport-managed values. They are fully
+ * managed by the transport w/o driver interaction.
+ */
 
+#define FC_VPORT_SYMBOLIC_NAMELEN               64
+struct fc_vport {
+        /* Fixed Attributes */
+
+        /* Dynamic Attributes */
+
+        /* Private (Transport-managed) Attributes */
+        enum fc_vport_state vport_state;
+        enum fc_vport_state vport_last_state;
+        u64 node_name;
+        u64 port_name;
+        u32 roles;
+        u32 vport_id;           /* Admin Identifier for the vport */
+        enum fc_port_type vport_type;
+        char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
+
+        /* exported data */
+        void *dd_data;                  /* Used for driver-specific storage */
+
+        /* internal data */
+        struct Scsi_Host *shost;        /* Physical Port Parent */
+        unsigned int channel;
+        u32 number;
+        u8 flags;
+        struct list_head peers;
+        struct device dev;
+        struct work_struct vport_delete_work;
+} __attribute__((aligned(sizeof(unsigned long))));
+
+/* bit field values for struct fc_vport "flags" field: */
+#define FC_VPORT_CREATING               0x01
+#define FC_VPORT_DELETING               0x02
+#define FC_VPORT_DELETED                0x04
+#define FC_VPORT_DEL                    0x06    /* Any DELETE state */
+
+#define dev_to_vport(d)                         \
+        container_of(d, struct fc_vport, dev)
+#define transport_class_to_vport(classdev)      \
+        dev_to_vport(classdev->dev)
+#define vport_to_shost(v)                       \
+        (v->shost)
+#define vport_to_shost_channel(v)               \
+        (v->channel)
+#define vport_to_parent(v)                      \
+        (v->dev.parent)
+
+
+/* Error return codes for vport_create() callback */
+#define VPCERR_UNSUPPORTED              -ENOSYS         /* no driver/adapter
+                                                           support */
+#define VPCERR_BAD_WWN                  -ENOTUNIQ       /* driver validation
+                                                           of WWNs failed */
+#define VPCERR_NO_FABRIC_SUPP           -EOPNOTSUPP     /* Fabric connection
+                                                           is loop or the
+                                                           Fabric Port does
+                                                           not support NPIV */
 
 /*
  * fc_rport_identifiers: This set of data contains all elements
@@ -149,6 +268,7 @@ struct fc_rport_identifiers {
         u32 roles;
 };
 
+
 /* Macro for use in defining Remote Port attributes */
 #define FC_RPORT_ATTR(_name,_mode,_show,_store)                         \
 struct class_device_attribute class_device_attr_rport_##_name =         \
@@ -278,7 +398,7 @@ struct fc_host_statistics {
         u64 prim_seq_protocol_err_count;
         u64 invalid_tx_word_count;
         u64 invalid_crc_count;
-        
+
         /* fc4 statistics  (only FCP supported currently) */
         u64 fcp_input_requests;
         u64 fcp_output_requests;
@@ -343,6 +463,7 @@ struct fc_host_attrs {
         u8  supported_fc4s[FC_FC4_LIST_SIZE];
         u32 supported_speeds;
         u32 maxframe_size;
+        u16 max_npiv_vports;
         char serial_number[FC_SERIAL_NUMBER_SIZE];
 
         /* Dynamic Attributes */
@@ -361,8 +482,11 @@ struct fc_host_attrs {
         /* internal data */
         struct list_head rports;
         struct list_head rport_bindings;
+        struct list_head vports;
         u32 next_rport_number;
         u32 next_target_id;
+        u32 next_vport_number;
+        u16 npiv_vports_inuse;
 
         /* work queues for rport state manipulation */
         char work_q_name[KOBJ_NAME_LEN];
@@ -388,6 +512,8 @@ struct fc_host_attrs {
         (((struct fc_host_attrs *)(x)->shost_data)->supported_speeds)
 #define fc_host_maxframe_size(x)        \
         (((struct fc_host_attrs *)(x)->shost_data)->maxframe_size)
+#define fc_host_max_npiv_vports(x)      \
+        (((struct fc_host_attrs *)(x)->shost_data)->max_npiv_vports)
 #define fc_host_serial_number(x)        \
         (((struct fc_host_attrs *)(x)->shost_data)->serial_number)
 #define fc_host_port_id(x)      \
@@ -412,10 +538,16 @@ struct fc_host_attrs {
         (((struct fc_host_attrs *)(x)->shost_data)->rports)
 #define fc_host_rport_bindings(x) \
         (((struct fc_host_attrs *)(x)->shost_data)->rport_bindings)
+#define fc_host_vports(x) \
+        (((struct fc_host_attrs *)(x)->shost_data)->vports)
 #define fc_host_next_rport_number(x) \
         (((struct fc_host_attrs *)(x)->shost_data)->next_rport_number)
 #define fc_host_next_target_id(x) \
         (((struct fc_host_attrs *)(x)->shost_data)->next_target_id)
+#define fc_host_next_vport_number(x) \
+        (((struct fc_host_attrs *)(x)->shost_data)->next_vport_number)
+#define fc_host_npiv_vports_inuse(x)    \
+        (((struct fc_host_attrs *)(x)->shost_data)->npiv_vports_inuse)
 #define fc_host_work_q_name(x) \
         (((struct fc_host_attrs *)(x)->shost_data)->work_q_name)
 #define fc_host_work_q(x) \
@@ -452,14 +584,20 @@ struct fc_function_template {
         void    (*dev_loss_tmo_callbk)(struct fc_rport *);
         void    (*terminate_rport_io)(struct fc_rport *);
 
+        void    (*set_vport_symbolic_name)(struct fc_vport *);
+        int     (*vport_create)(struct fc_vport *, bool);
+        int     (*vport_disable)(struct fc_vport *, bool);
+        int     (*vport_delete)(struct fc_vport *);
+
         /* allocation lengths for host-specific data */
         u32                             dd_fcrport_size;
+        u32                             dd_fcvport_size;
 
-        /* 
+        /*
          * The driver sets these to tell the transport class it
          * wants the attributes displayed in sysfs.  If the show_ flag
          * is not set, the attribute will be private to the transport
-         * class 
+         * class
          */
 
         /* remote port fixed attributes */
@@ -512,7 +650,7 @@ fc_remote_port_chkready(struct fc_rport *rport)
 
         switch (rport->port_state) {
         case FC_PORTSTATE_ONLINE:
-                if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
+                if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
                         result = 0;
                 else if (rport->flags & FC_RPORT_DEVLOSS_PENDING)
                         result = DID_IMM_RETRY << 16;
@@ -549,6 +687,27 @@ static inline void u64_to_wwn(u64 inm, u8 *wwn)
         wwn[7] = inm & 0xff;
 }
 
+/**
+ * fc_vport_set_state() - called to set a vport's state. Saves the old state,
+ *   excepting the transitory states of initializing and sending the ELS
+ *   traffic to instantiate the vport on the link.
+ *
+ * Assumes the driver has surrounded this with the proper locking to ensure
+ * a coherent state change.
+ *
+ * @vport:      virtual port whose state is changing
+ * @new_state:  new state
+ **/
+static inline void
+fc_vport_set_state(struct fc_vport *vport, enum fc_vport_state new_state)
+{
+        if ((new_state != FC_VPORT_UNKNOWN) &&
+            (new_state != FC_VPORT_INITIALIZING))
+                vport->vport_last_state = vport->vport_state;
+        vport->vport_state = new_state;
+}
+
+
 struct scsi_transport_template *fc_attach_transport(
                         struct fc_function_template *);
 void fc_release_transport(struct scsi_transport_template *);
@@ -567,5 +726,6 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
          *   be sure to read the Vendor Type and ID formatting requirements
          *   specified in scsi_netlink.h
          */
+int fc_vport_terminate(struct fc_vport *vport);
 
 #endif /* SCSI_TRANSPORT_FC_H */
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index d5c218ddc527..706c0cd36c14 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -79,7 +79,8 @@ struct iscsi_transport {
         char *name;
         unsigned int caps;
         /* LLD sets this to indicate what values it can export to sysfs */
-        unsigned int param_mask;
+        uint64_t param_mask;
+        uint64_t host_param_mask;
         struct scsi_host_template *host_template;
         /* LLD connection data size */
         int conndata_size;
@@ -89,7 +90,8 @@ struct iscsi_transport {
         unsigned int max_conn;
         unsigned int max_cmd_len;
         struct iscsi_cls_session *(*create_session) (struct iscsi_transport *it,
-                struct scsi_transport_template *t, uint32_t sn, uint32_t *hn);
+                struct scsi_transport_template *t, uint16_t, uint16_t,
+                uint32_t sn, uint32_t *hn);
         void (*destroy_session) (struct iscsi_cls_session *session);
         struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
                                 uint32_t cid);
@@ -105,14 +107,18 @@ struct iscsi_transport {
                                enum iscsi_param param, char *buf);
         int (*get_session_param) (struct iscsi_cls_session *session,
                                   enum iscsi_param param, char *buf);
+        int (*get_host_param) (struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf);
+        int (*set_host_param) (struct Scsi_Host *shost,
+                               enum iscsi_host_param param, char *buf,
+                               int buflen);
         int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
                          char *data, uint32_t data_size);
         void (*get_stats) (struct iscsi_cls_conn *conn,
                            struct iscsi_stats *stats);
         void (*init_cmd_task) (struct iscsi_cmd_task *ctask);
         void (*init_mgmt_task) (struct iscsi_conn *conn,
-                                struct iscsi_mgmt_task *mtask,
-                                char *data, uint32_t data_size);
+                                struct iscsi_mgmt_task *mtask);
         int (*xmit_cmd_task) (struct iscsi_conn *conn,
                               struct iscsi_cmd_task *ctask);
         void (*cleanup_cmd_task) (struct iscsi_conn *conn,
@@ -124,7 +130,7 @@ struct iscsi_transport {
                            uint64_t *ep_handle);
         int (*ep_poll) (uint64_t ep_handle, int timeout_ms);
         void (*ep_disconnect) (uint64_t ep_handle);
-        int (*tgt_dscvr) (enum iscsi_tgt_dscvr type, uint32_t host_no,
+        int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type,
                           uint32_t enable, struct sockaddr *dst_addr);
 };