+struct iscsi_cls_conn {
+ struct list_head conn_list; /* item in connlist */
+ void *dd_data; /* LLD private data */
+ struct iscsi_transport *transport;
+ int active; /* must be accessed with the connlock */
+ struct device dev; /* sysfs transport/container device */
+ struct mempool_zone *z_error;
+ struct mempool_zone *z_pdu;
+ struct list_head freequeue;
+};
+
+#define iscsi_dev_to_conn(_dev) \
+ container_of(_dev, struct iscsi_cls_conn, dev)
+
+struct iscsi_cls_session {
+ struct list_head sess_list; /* item in session_list */
+ struct iscsi_transport *transport;
+ struct device dev; /* sysfs transport/container device */
+};
+
+#define iscsi_dev_to_session(_dev) \
+ container_of(_dev, struct iscsi_cls_session, dev)
+
+#define iscsi_session_to_shost(_session) \
+ dev_to_shost(_session->dev.parent)
+
+/*
+ * session and connection functions that can be used by HW iSCSI LLDs
+ */
+extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
+ struct iscsi_transport *t);
+extern int iscsi_destroy_session(struct iscsi_cls_session *session);
+extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
+ uint32_t cid);
+extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
+
+/*
+ * session functions used by software iscsi
+ */
+extern struct Scsi_Host *
+iscsi_transport_create_session(struct scsi_transport_template *scsit,
+ struct iscsi_transport *transport);
+extern int iscsi_transport_destroy_session(struct Scsi_Host *shost);
+