target/iscsi/iscsi_target_login.c

136 	struct iscsit_session *sess = NULL, *sess_p = NULL;
165 		if (!memcmp(sess_p->isid, conn->sess->isid, 6) &&
175 			sess = sess_p;
184 	if (!sess)
189 		"Discovery" : "Normal", sess->sid,
190 		sess->sess_ops->InitiatorName);
192 	spin_lock_bh(&sess->conn_lock);
193 	if (sess->session_state == TARG_SESS_STATE_FAILED) {
194 		spin_unlock_bh(&sess->conn_lock);
195 		iscsit_dec_session_usage_count(sess);
198 	spin_unlock_bh(&sess->conn_lock);
200 	iscsit_stop_session(sess, 1, 1);
201 	iscsit_dec_session_usage_count(sess);
207 	struct iscsit_session *sess,
212 	conn->sess		= sess;
259 	struct iscsit_session *sess = NULL;
263 	sess = kzalloc(sizeof(struct iscsit_session), GFP_KERNEL);
264 	if (!sess) {
271 	if (iscsi_login_set_conn_values(sess, conn, pdu->cid))
274 	sess->init_task_tag	= pdu->itt;
275 	memcpy(&sess->isid, pdu->isid, 6);
276 	sess->exp_cmd_sn	= be32_to_cpu(pdu->cmdsn);
277 	INIT_LIST_HEAD(&sess->sess_conn_list);
278 	INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
279 	INIT_LIST_HEAD(&sess->cr_active_list);
280 	INIT_LIST_HEAD(&sess->cr_inactive_list);
281 	init_completion(&sess->async_msg_comp);
282 	init_completion(&sess->reinstatement_comp);
283 	init_completion(&sess->session_wait_comp);
284 	init_completion(&sess->session_waiting_on_uc_comp);
285 	mutex_init(&sess->cmdsn_mutex);
286 	spin_lock_init(&sess->conn_lock);
287 	spin_lock_init(&sess->cr_a_lock);
288 	spin_lock_init(&sess->cr_i_lock);
289 	spin_lock_init(&sess->session_usage_lock);
290 	spin_lock_init(&sess->ttt_lock);
292 	timer_setup(&sess->time2retain_timer,
303 	sess->session_index = ret;
304 	sess->creation_time = get_jiffies_64();
309 	atomic_set(&sess->max_cmd_sn, be32_to_cpu(pdu->cmdsn));
311 	sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL);
312 	if (!sess->sess_ops) {
320 	sess->se_sess = transport_alloc_session(TARGET_PROT_NORMAL);
321 	if (IS_ERR(sess->se_sess)) {
330 	kfree(sess->sess_ops);
332 	ida_free(&sess_ida, sess->session_index);
334 	kfree(sess);
335 	conn->sess = NULL;
343 	struct iscsit_session *sess = conn->sess;
347 	sess->tpg = conn->tpg;
353 	sess->tsih = ++sess->tpg->ntsih;
354 	if (!sess->tsih)
355 		sess->tsih = ++sess->tpg->ntsih;
372 	if (sess->sess_ops->SessionType)
376 	na = iscsit_tpg_get_node_attrib(sess);
397 	if (iscsi_change_param_sprintf(conn, "TargetPortalGroupTag=%hu", sess->tpg->tpgt))
455 		if (sess->se_sess->sup_prot_ops &
490 	struct iscsit_session *sess = NULL, *sess_p = NULL;
510 			sess = sess_p;
519 	if (!sess) {
531 	spin_lock_bh(&sess->conn_lock);
532 	if (sess->session_state == TARG_SESS_STATE_FAILED)
533 		atomic_set(&sess->session_continuation, 1);
534 	spin_unlock_bh(&sess->conn_lock);
536 	if (iscsi_login_set_conn_values(sess, conn, pdu->cid) < 0 ||
555 	if (iscsi_change_param_sprintf(conn, "TargetPortalGroupTag=%hu", sess->tpg->tpgt))
568 	struct iscsit_session *sess = conn->sess;
577 	conn_ptr = iscsit_get_conn_from_cid_rcfr(sess, cid);
581 			conn_ptr->cid, sess->sess_ops->InitiatorName);
596 	if (sess->sess_ops->ErrorRecoveryLevel == 2) {
598 				sess, cid);
614 			cid, sess->sess_ops->InitiatorName);
616 	if ((atomic_read(&sess->nconn) + 1) > sess->sess_ops->MaxConnections) {
619 				sess->sess_ops->MaxConnections);
630 	struct iscsit_session *sess = conn->sess;
637 	if (!sess->sess_ops->SessionType)
693 	struct iscsit_session *sess = conn->sess;
694 	struct se_session *se_sess = sess->se_sess;
695 	struct iscsi_portal_group *tpg = sess->tpg;
711 		iscsi_set_session_parameters(sess->sess_ops,
716 		spin_lock_bh(&sess->conn_lock);
717 		atomic_set(&sess->session_continuation, 0);
718 		if (sess->session_state == TARG_SESS_STATE_FAILED) {
721 			sess->session_state = TARG_SESS_STATE_LOGGED_IN;
729 		list_add_tail(&conn->conn_list, &sess->sess_conn_list);
730 		atomic_inc(&sess->nconn);
732 			" from node: %s\n", atomic_read(&sess->nconn),
733 			sess->sess_ops->InitiatorName);
734 		spin_unlock_bh(&sess->conn_lock);
753 			iscsit_stop_time2retain_timer(sess);
756 		iscsit_dec_session_usage_count(sess);
760 	iscsi_set_session_parameters(sess->sess_ops, conn->param_list, 1);
764 	iscsit_determine_maxcmdsn(sess);
767 	__transport_register_session(&sess->tpg->tpg_se_tpg,
768 			se_sess->se_node_acl, se_sess, sess);
770 	sess->session_state = TARG_SESS_STATE_LOGGED_IN;
776 	spin_lock_bh(&sess->conn_lock);
777 	list_add_tail(&conn->conn_list, &sess->sess_conn_list);
778 	atomic_inc(&sess->nconn);
780 		" %s\n", atomic_read(&sess->nconn),
781 		sess->sess_ops->InitiatorName);
782 	spin_unlock_bh(&sess->conn_lock);
784 	sess->sid = tpg->sid++;
785 	if (!sess->sid)
786 		sess->sid = tpg->sid++;
788 			sess->sess_ops->InitiatorName);
1138 	if (!zero_tsih || !conn->sess)
1141 	transport_free_session(conn->sess->se_sess);
1142 	ida_free(&sess_ida, conn->sess->session_index);
1143 	kfree(conn->sess->sess_ops);
1144 	kfree(conn->sess);
1145 	conn->sess = NULL;
1152 	if (!zero_tsih && conn->sess) {
1153 		spin_lock_bh(&conn->sess->conn_lock);
1154 		if (conn->sess->session_state == TARG_SESS_STATE_FAILED) {
1158 			atomic_set(&conn->sess->session_continuation, 0);
1159 			spin_unlock_bh(&conn->sess->conn_lock);
1161 			iscsit_start_time2retain_handler(conn->sess);
1164 			spin_unlock_bh(&conn->sess->conn_lock);
1165 		iscsit_dec_session_usage_count(conn->sess);
1338 	if (conn->sess)
1339 		conn->sess->se_sess->sup_prot_ops =