dev/iscsi/iscsi_ioctl.c

44 static uint16_t current_id = 0;	/* Global session ID counter */
249  *       sid      The ID of the affected session
382  *    Find a session by ID.
384  *    Parameter:  the session ID
386  *    Returns:    The pointer to the session (or NULL if not found)
408  *    Parameter:  the session pointer and the connection ID
429  *    Reference a session
454  *    Unreference a session
456  *    Release session reference, trigger cleanup
460 unref_session(session_t *session)
464 	KASSERT(session != NULL);
465 	KASSERT(session->s_refcount > 0);
466 	if (--session->s_refcount == 0)
467 		cv_broadcast(&session->s_sess_cv);
586  *    Terminate the session as gracefully as possible.
589  *		session		Session to terminate
622 	 * don't do anything if session isn't established yet, termination will be
639 		 * requested that we kill a multipathed session.
657 	/* Remove session from global list */
691  *          session  IN: The owning session
1082  *    Handle the login ioctl - Create a session:
1083  *       Alloc the session structure
1084  *       Copy session parameters
1109 	/* alloc the session */
1112 		DEBOUT(("No mem for session\n"));
1120 	cv_init(&sess->s_sess_cv, "session");
1154 		DEB(1, ("Login: map session %d\n", sess->s_id));
1156 			DEB(1, ("Login: map session %d failed\n", sess->s_id));
1168  *    Handle the logout ioctl - Kill a session.
1177 	session_t *session;
1179 	DEB(5, ("ISCSI: logout session %d\n", par->session_id));
1182 	if ((session = find_session(par->session_id)) == NULL) {
1189 	/* If the session exists, this always succeeds */
1210 	session_t *session;
1212 	DEB(5, ("ISCSI: add_connection to session %d\n", par->session_id));
1215 	if ((session = find_session(par->session_id)) == NULL) {
1227 	return create_connection(par, session, l);
1243 	session_t *session;
1245 	DEB(5, ("ISCSI: remove_connection %d from session %d\n",
1249 	if ((session = find_session(par->session_id)) == NULL) {
1256 	if ((conn = find_connection(session, par->connection_id)) == NULL) {
1258 		DEBOUT(("Connection %d not found in session %d\n",
1286 	DEB(1, ("ISCSI: restore_connection %d of session %d\n",
1298 		DEBOUT(("Connection %d not found in session %d\n",
1332 	session_t *session;
1338 	if ((session = find_session(par->session_id)) == NULL) {
1373 	par->status = send_io_command(session, par->lun, &par->req,
1408  *    the response is kept in the session structure so it can be
1527 	DEB(9, ("ISCSI: connection_status, session %d connection %d --> %d\n",
1609  * remove a connection from session and add to the cleanup list
1712  *    Global thread to handle connection and session cleanup after termination.
1772 				DEB(1, ("Cleanup: session %d\n", sess->s_id));
1793 			DEB(1, ("Cleanup: Unmap session %d\n", sess->s_id));
1795 				DEB(1, ("Cleanup: Unmap session %d failed\n", sess->s_id));
1804 			/* notify event handlers of session shutdown */
1806 			DEB(1, ("Cleanup: session ended %d\n", sess->s_id));