fs/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 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__ */