95 	struct sbp_session *sess, *found = NULL;  in sbp_session_find_by_guid()  local
99 		sess = se_sess->fabric_sess_ptr;  in sbp_session_find_by_guid()
100 		if (sess->guid == guid)  in sbp_session_find_by_guid()
101 			found = sess;  in sbp_session_find_by_guid()
129 	struct sbp_session *sess;  in sbp_login_count_all_by_lun()  local
135 		sess = se_sess->fabric_sess_ptr;  in sbp_login_count_all_by_lun()
137 		spin_lock_bh(&sess->lock);  in sbp_login_count_all_by_lun()
138 		list_for_each_entry(login, &sess->login_list, link) {  in sbp_login_count_all_by_lun()
145 		spin_unlock_bh(&sess->lock);  in sbp_login_count_all_by_lun()
156 	struct sbp_session *sess;  in sbp_login_find_by_id()  local
161 		sess = se_sess->fabric_sess_ptr;  in sbp_login_find_by_id()
163 		spin_lock_bh(&sess->lock);  in sbp_login_find_by_id()
164 		list_for_each_entry(login, &sess->login_list, link) {  in sbp_login_find_by_id()
168 		spin_unlock_bh(&sess->lock);  in sbp_login_find_by_id()
198 	struct sbp_session *sess;  in sbp_session_create()  local
203 	sess = kmalloc(sizeof(*sess), GFP_KERNEL);  in sbp_session_create()
204 	if (!sess) {  in sbp_session_create()
209 	sess->se_sess = transport_init_session(TARGET_PROT_NORMAL);  in sbp_session_create()
210 	if (IS_ERR(sess->se_sess)) {  in sbp_session_create()
213 		ret = PTR_ERR(sess->se_sess);  in sbp_session_create()
214 		kfree(sess);  in sbp_session_create()
224 		transport_free_session(sess->se_sess);  in sbp_session_create()
225 		kfree(sess);  in sbp_session_create()
230 	sess->se_sess->se_node_acl = se_nacl;  in sbp_session_create()
232 	spin_lock_init(&sess->lock);  in sbp_session_create()
233 	INIT_LIST_HEAD(&sess->login_list);  in sbp_session_create()
234 	INIT_DELAYED_WORK(&sess->maint_work, session_maintenance_work);  in sbp_session_create()
236 	sess->guid = guid;  in sbp_session_create()
238 	transport_register_session(&tpg->se_tpg, se_nacl, sess->se_sess, sess);  in sbp_session_create()
240 	return sess;  in sbp_session_create()
243 static void sbp_session_release(struct sbp_session *sess, bool cancel_work)  in sbp_session_release()  argument
245 	spin_lock_bh(&sess->lock);  in sbp_session_release()
246 	if (!list_empty(&sess->login_list)) {  in sbp_session_release()
247 		spin_unlock_bh(&sess->lock);  in sbp_session_release()
250 	spin_unlock_bh(&sess->lock);  in sbp_session_release()
253 		cancel_delayed_work_sync(&sess->maint_work);  in sbp_session_release()
255 	transport_deregister_session_configfs(sess->se_sess);  in sbp_session_release()
256 	transport_deregister_session(sess->se_sess);  in sbp_session_release()
258 	if (sess->card)  in sbp_session_release()
259 		fw_card_put(sess->card);  in sbp_session_release()
261 	kfree(sess);  in sbp_session_release()
269 	struct sbp_session *sess = login->sess;  in sbp_login_release()  local
275 	if (sess) {  in sbp_login_release()
276 		spin_lock_bh(&sess->lock);  in sbp_login_release()
278 		spin_unlock_bh(&sess->lock);  in sbp_login_release()
280 		sbp_session_release(sess, cancel_work);  in sbp_login_release()
295 	struct sbp_session *sess;  in sbp_management_request_login()  local
327 	sess = sbp_session_find_by_guid(tpg, guid);  in sbp_management_request_login()
328 	if (sess) {  in sbp_management_request_login()
329 		login = sbp_login_find_by_lun(sess, unpacked_lun);  in sbp_management_request_login()
393 	if (!sess) {  in sbp_management_request_login()
394 		sess = sbp_session_create(tpg, guid);  in sbp_management_request_login()
395 		if (IS_ERR(sess)) {  in sbp_management_request_login()
396 			switch (PTR_ERR(sess)) {  in sbp_management_request_login()
412 		sess->node_id = req->node_addr;  in sbp_management_request_login()
413 		sess->card = fw_card_get(req->card);  in sbp_management_request_login()
414 		sess->generation = req->generation;  in sbp_management_request_login()
415 		sess->speed = req->speed;  in sbp_management_request_login()
417 		schedule_delayed_work(&sess->maint_work,  in sbp_management_request_login()
422 	sess->reconnect_hold = min(  in sbp_management_request_login()
430 		sbp_session_release(sess, true);  in sbp_management_request_login()
438 	login->sess = sess;  in sbp_management_request_login()
449 		sbp_session_release(sess, true);  in sbp_management_request_login()
458 	spin_lock_bh(&sess->lock);  in sbp_management_request_login()
459 	list_add_tail(&login->link, &sess->login_list);  in sbp_management_request_login()
460 	spin_unlock_bh(&sess->lock);  in sbp_management_request_login()
481 	response->reconnect_hold = cpu_to_be32(sess->reconnect_hold & 0xffff);  in sbp_management_request_login()
485 	ret = sbp_run_transaction(sess->card, TCODE_WRITE_BLOCK_REQUEST,  in sbp_management_request_login()
486 		sess->node_id, sess->generation, sess->speed,  in sbp_management_request_login()
554 	if (login->sess->guid != guid) {  in sbp_management_request_reconnect()
563 	spin_lock_bh(&login->sess->lock);  in sbp_management_request_reconnect()
564 	if (login->sess->card)  in sbp_management_request_reconnect()
565 		fw_card_put(login->sess->card);  in sbp_management_request_reconnect()
568 	login->sess->generation = req->generation;  in sbp_management_request_reconnect()
569 	login->sess->node_id = req->node_addr;  in sbp_management_request_reconnect()
570 	login->sess->card = fw_card_get(req->card);  in sbp_management_request_reconnect()
571 	login->sess->speed = req->speed;  in sbp_management_request_reconnect()
572 	spin_unlock_bh(&login->sess->lock);  in sbp_management_request_reconnect()
603 	if (req->node_addr != login->sess->node_id) {  in sbp_management_request_logout()
619 static void session_check_for_reset(struct sbp_session *sess)  in session_check_for_reset()  argument
623 	spin_lock_bh(&sess->lock);  in session_check_for_reset()
625 	if (sess->card) {  in session_check_for_reset()
626 		spin_lock_irq(&sess->card->lock);  in session_check_for_reset()
627 		card_valid = (sess->card->local_node != NULL);  in session_check_for_reset()
628 		spin_unlock_irq(&sess->card->lock);  in session_check_for_reset()
631 			fw_card_put(sess->card);  in session_check_for_reset()
632 			sess->card = NULL;  in session_check_for_reset()
636 	if (!card_valid || (sess->generation != sess->card->generation)) {  in session_check_for_reset()
638 				sess->guid);  in session_check_for_reset()
640 		sess->node_id = -1;  in session_check_for_reset()
641 		sess->reconnect_expires = get_jiffies_64() +  in session_check_for_reset()
642 			((sess->reconnect_hold + 1) * HZ);  in session_check_for_reset()
645 	spin_unlock_bh(&sess->lock);  in session_check_for_reset()
648 static void session_reconnect_expired(struct sbp_session *sess)  in session_reconnect_expired()  argument
653 	pr_info("Reconnect timer expired for node: %016llx\n", sess->guid);  in session_reconnect_expired()
655 	spin_lock_bh(&sess->lock);  in session_reconnect_expired()
656 	list_for_each_entry_safe(login, temp, &sess->login_list, link) {  in session_reconnect_expired()
657 		login->sess = NULL;  in session_reconnect_expired()
660 	spin_unlock_bh(&sess->lock);  in session_reconnect_expired()
667 	sbp_session_release(sess, false);  in session_reconnect_expired()
672 	struct sbp_session *sess = container_of(work, struct sbp_session,  in session_maintenance_work()  local
676 	spin_lock_bh(&sess->lock);  in session_maintenance_work()
677 	if (list_empty(&sess->login_list)) {  in session_maintenance_work()
678 		spin_unlock_bh(&sess->lock);  in session_maintenance_work()
681 	spin_unlock_bh(&sess->lock);  in session_maintenance_work()
683 	if (sess->node_id != -1) {  in session_maintenance_work()
685 		session_check_for_reset(sess);  in session_maintenance_work()
687 		schedule_delayed_work(&sess->maint_work,  in session_maintenance_work()
689 	} else if (!time_after64(get_jiffies_64(), sess->reconnect_expires)) {  in session_maintenance_work()
691 		schedule_delayed_work(&sess->maint_work,  in session_maintenance_work()
695 		session_reconnect_expired(sess);  in session_maintenance_work()
833 	struct sbp_session *sess = agent->login->sess;  in tgt_agent_rw()  local
836 	spin_lock_bh(&sess->lock);  in tgt_agent_rw()
837 	sess_gen = sess->generation;  in tgt_agent_rw()
838 	sess_node = sess->node_id;  in tgt_agent_rw()
839 	spin_unlock_bh(&sess->lock);  in tgt_agent_rw()
947 	struct sbp_session *sess = agent->login->sess;  in tgt_agent_fetch_work()  local
971 		ret = sbp_run_transaction(sess->card, TCODE_READ_BLOCK_REQUEST,  in tgt_agent_fetch_work()
972 				sess->node_id, sess->generation, sess->speed,  in tgt_agent_fetch_work()
1104 	struct sbp_session *sess = login->sess;  in sbp_run_request_transaction()  local
1108 	spin_lock_bh(&sess->lock);  in sbp_run_request_transaction()
1109 	card = fw_card_get(sess->card);  in sbp_run_request_transaction()
1110 	node_id = sess->node_id;  in sbp_run_request_transaction()
1111 	generation = sess->generation;  in sbp_run_request_transaction()
1112 	speed = sess->speed;  in sbp_run_request_transaction()
1113 	spin_unlock_bh(&sess->lock);  in sbp_run_request_transaction()
1209 	struct sbp_session *sess = login->sess;  in sbp_handle_command()  local
1235 	if (target_submit_cmd(&req->se_cmd, sess->se_sess, req->cmd_buf,  in sbp_handle_command()
1258 	struct sbp_session *sess = req->login->sess;  in sbp_rw_data()  local
1284 	spin_lock_bh(&sess->lock);  in sbp_rw_data()
1285 	card = fw_card_get(sess->card);  in sbp_rw_data()
1286 	node_id = sess->node_id;  in sbp_rw_data()
1287 	generation = sess->generation;  in sbp_rw_data()
1288 	spin_unlock_bh(&sess->lock);  in sbp_rw_data()