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
13 struct ksmbd_share_config;
14 struct ksmbd_user;
15 struct ksmbd_conn;
16 struct ksmbd_work;
17
18 enum {
19 TREE_NEW = 0,
20 TREE_CONNECTED,
21 TREE_DISCONNECTED
22 };
23
24 struct 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
40 struct ksmbd_tree_conn_status {
41 unsigned int ret;
42 struct ksmbd_tree_connect *tree_conn;
43 };
44
45 static inline int test_tree_conn_flag(struct ksmbd_tree_connect *tree_conn,
46 int flag)
47 {
48 return tree_conn->flags & flag;
49 }
50
51 struct ksmbd_session;
52
53 struct ksmbd_tree_conn_status
54 ksmbd_tree_conn_connect(struct ksmbd_work *work, const char *share_name);
55 void ksmbd_tree_connect_put(struct ksmbd_tree_connect *tcon);
56
57 int ksmbd_tree_conn_disconnect(struct ksmbd_session *sess,
58 struct ksmbd_tree_connect *tree_conn);
59
60 struct ksmbd_tree_connect *ksmbd_tree_conn_lookup(struct ksmbd_session *sess,
61 unsigned int id);
62
63 int ksmbd_tree_conn_session_logoff(struct ksmbd_session *sess);
64
65 #endif /* __TREE_CONNECT_MANAGEMENT_H__ */
66
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