1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
4 */
5
6 #include "ksmbd_ida.h"
7
8 int ksmbd_acquire_smb2_tid(struct ida *ida)
9 {
10 return ida_alloc_range(ida, 1, 0xFFFFFFFE, GFP_KERNEL);
11 }
12
13 int ksmbd_acquire_smb2_uid(struct ida *ida)
14 {
15 int id;
16
17 id = ida_alloc_min(ida, 1, GFP_KERNEL);
18 if (id == 0xFFFE)
19 id = ida_alloc_min(ida, 1, GFP_KERNEL);
20
21 return id;
22 }
23
24 int ksmbd_acquire_async_msg_id(struct ida *ida)
25 {
26 return ida_alloc_min(ida, 1, GFP_KERNEL);
27 }
28
29 int ksmbd_acquire_id(struct ida *ida)
30 {
31 return ida_alloc(ida, GFP_KERNEL);
32 }
33
34 void ksmbd_release_id(struct ida *ida, int id)
35 {
36 ida_free(ida, id);
37 }
38
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