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

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits)
  [SCSI] ibmvscsi: convert to use the data buffer accessors
  [SCSI] dc395x: convert to use the data buffer accessors
  [SCSI] ncr53c8xx: convert to use the data buffer accessors
  [SCSI] sym53c8xx: convert to use the data buffer accessors
  [SCSI] ppa: coding police and printk levels
  [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc
  [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c
  [SCSI] remove the dead CYBERSTORMIII_SCSI option
  [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA
  [SCSI] Clean up scsi_add_lun a bit
  [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs
  [SCSI] sni_53c710: Cleanup
  [SCSI] qla4xxx: Fix underrun/overrun conditions
  [SCSI] megaraid_mbox: use mutex instead of semaphore
  [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation.
  [SCSI] qla2xxx: update version to 8.02.00-k1.
  [SCSI] qla2xxx: add support for NPIV
  [SCSI] stex: use resid for xfer len information
  [SCSI] Add Brownie 1200U3P to blacklist
  [SCSI] scsi.c: convert to use the data buffer accessors
  ...

7 files changed, 284 insertions, 51 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 55ebf035e62..50e907f4204 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 ea0816d4904..3f631b08a1a 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 a2e0c103249..53e170586c2 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 2f3c5b8b1d6..d5057bc338f 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 68f461b7a83..ba07cf7c04b 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 1e797308640..a0d80bcaa93 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 d5c218ddc52..706c0cd36c1 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);
 };