3 files changed, 14 insertions, 2 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index bff0b1f7857b..8a4426df6c3a 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -49,12 +49,15 @@ enum iscsi_uevent_e {
 
         ISCSI_UEVENT_TGT_DSCVR          = UEVENT_BASE + 15,
         ISCSI_UEVENT_SET_HOST_PARAM     = UEVENT_BASE + 16,
+        ISCSI_UEVENT_UNBIND_SESSION     = UEVENT_BASE + 17,
 
         /* up events */
         ISCSI_KEVENT_RECV_PDU           = KEVENT_BASE + 1,
         ISCSI_KEVENT_CONN_ERROR         = KEVENT_BASE + 2,
         ISCSI_KEVENT_IF_ERROR           = KEVENT_BASE + 3,
         ISCSI_KEVENT_DESTROY_SESSION    = KEVENT_BASE + 4,
+        ISCSI_KEVENT_UNBIND_SESSION     = KEVENT_BASE + 5,
+        ISCSI_KEVENT_CREATE_SESSION     = KEVENT_BASE + 6,
 };
 
 enum iscsi_tgt_dscvr {
@@ -156,6 +159,10 @@ struct iscsi_uevent {
                         uint32_t        sid;
                         uint32_t        cid;
                 } c_conn_ret;
+                struct msg_unbind_session {
+                        uint32_t        sid;
+                        uint32_t        host_no;
+                } unbind_session;
                 struct msg_recv_req {
                         uint32_t        sid;
                         uint32_t        cid;
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index 6947082eee6d..318a909e7ae1 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -21,6 +21,8 @@
 #ifndef ISCSI_PROTO_H
 #define ISCSI_PROTO_H
 
+#include <linux/types.h>
+
 #define ISCSI_DRAFT20_VERSION   0x00
 
 /* default iSCSI listen port for incoming connections */
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index b8d97bd20f6e..093b4036f8db 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -186,6 +186,7 @@ struct iscsi_cls_session {
         /* recovery fields */
         int recovery_tmo;
         struct delayed_work recovery_work;
+        struct work_struct unbind_work;
 
         int target_id;
 
@@ -206,6 +207,8 @@ struct iscsi_cls_session {
 struct iscsi_host {
         struct list_head sessions;
         struct mutex mutex;
+        struct workqueue_struct *unbind_workq;
+        char unbind_workq_name[KOBJ_NAME_LEN];
 };
 
 /*
@@ -215,8 +218,8 @@ extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost,
                                         struct iscsi_transport *transport);
 extern int iscsi_add_session(struct iscsi_cls_session *session,
                              unsigned int target_id);
-extern int iscsi_if_create_session_done(struct iscsi_cls_conn *conn);
-extern int iscsi_if_destroy_session_done(struct iscsi_cls_conn *conn);
+extern int iscsi_session_event(struct iscsi_cls_session *session,
+                               enum iscsi_uevent_e event);
 extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
                                                 struct iscsi_transport *t,
                                                 unsigned int target_id);