1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
 4 */
 5
 6#ifndef __TREE_CONNECT_MANAGEMENT_H__
 7#define __TREE_CONNECT_MANAGEMENT_H__
 8
 9#include <linux/hashtable.h>
10
11#include "../ksmbd_netlink.h"
12
13struct ksmbd_share_config;
14struct ksmbd_user;
15struct ksmbd_conn;
16struct ksmbd_work;
17
18enum {
19	TREE_NEW = 0,
20	TREE_CONNECTED,
21	TREE_DISCONNECTED
22};
23
24struct ksmbd_tree_connect {
25	int				id;
26
27	unsigned int			flags;
28	struct ksmbd_share_config	*share_conf;
29	struct ksmbd_user		*user;
30
31	struct list_head		list;
32
33	int				maximal_access;
34	bool				posix_extensions;
35	atomic_t			refcount;
36	wait_queue_head_t		refcount_q;
37	unsigned int			t_state;
38};
39
40struct ksmbd_tree_conn_status {
41	unsigned int			ret;
42	struct ksmbd_tree_connect	*tree_conn;
43};
44
45static inline int test_tree_conn_flag(struct ksmbd_tree_connect *tree_conn,
46				      int flag)
47{
48	return tree_conn->flags & flag;
49}
50
51struct ksmbd_session;
52
53struct ksmbd_tree_conn_status
54ksmbd_tree_conn_connect(struct ksmbd_work *work, const char *share_name);
55void ksmbd_tree_connect_put(struct ksmbd_tree_connect *tcon);
56
57int ksmbd_tree_conn_disconnect(struct ksmbd_session *sess,
58			       struct ksmbd_tree_connect *tree_conn);
59
60struct ksmbd_tree_connect *ksmbd_tree_conn_lookup(struct ksmbd_session *sess,
61						  unsigned int id);
62
63int ksmbd_tree_conn_session_logoff(struct ksmbd_session *sess);
64
65#endif /* __TREE_CONNECT_MANAGEMENT_H__ */