smb/server/mgmt/tree_connect.h

   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
  17 enum {
  18         TREE_NEW = 0,
  19         TREE_CONNECTED,
  20         TREE_DISCONNECTED
  21 };
  22
  23 struct ksmbd_tree_connect {
  24         int                             id;
  25
  26         unsigned int                    flags;
  27         struct ksmbd_share_config       *share_conf;
  28         struct ksmbd_user               *user;
  29
  30         struct list_head                list;
  31
  32         int                             maximal_access;
  33         bool                            posix_extensions;
  34         atomic_t                        refcount;
  35         wait_queue_head_t               refcount_q;
  36         unsigned int                    t_state;
  37 };
  38
  39 struct ksmbd_tree_conn_status {
  40         unsigned int                    ret;
  41         struct ksmbd_tree_connect       *tree_conn;
  42 };
  43
  44 static inline int test_tree_conn_flag(struct ksmbd_tree_connect *tree_conn,
  45                                       int flag)
  46 {
  47         return tree_conn->flags & flag;
  48 }
  49
  50 struct ksmbd_session;
  51
  52 struct ksmbd_tree_conn_status
  53 ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess,
  54                         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__ */