ksmbd_ida.c

 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#include "../glob.h"
 8
 9int ksmbd_acquire_smb2_tid(struct ida *ida)
10{
11	return ida_alloc_range(ida, 1, 0xFFFFFFFE, KSMBD_DEFAULT_GFP);
12}
13
14int ksmbd_acquire_smb2_uid(struct ida *ida)
15{
16	int id;
17
18	id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
19	if (id == 0xFFFE)
20		id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
21
22	return id;
23}
24
25int ksmbd_acquire_async_msg_id(struct ida *ida)
26{
27	return ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
28}
29
30int ksmbd_acquire_id(struct ida *ida)
31{
32	return ida_alloc(ida, KSMBD_DEFAULT_GFP);
33}
34
35void ksmbd_release_id(struct ida *ida, int id)
36{
37	ida_free(ida, id);
38}