1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
6 #ifndef __KSMBD_IDA_MANAGEMENT_H__
7 #define __KSMBD_IDA_MANAGEMENT_H__
9 #include <linux/slab.h>
10 #include <linux/idr.h>
13 * 2.2.1.6.7 TID Generation
14 * The value 0xFFFF MUST NOT be used as a valid TID. All other
15 * possible values for TID, including zero (0x0000), are valid.
16 * The value 0xFFFF is used to specify all TIDs or no TID,
17 * depending upon the context in which it is used.
19 int ksmbd_acquire_smb2_tid(struct ida *ida);
22 * 2.2.1.6.8 UID Generation
23 * The value 0xFFFE was declared reserved in the LAN Manager 1.0
24 * documentation, so a value of 0xFFFE SHOULD NOT be used as a
25 * valid UID.<21> All other possible values for a UID, excluding
26 * zero (0x0000), are valid.
28 int ksmbd_acquire_smb2_uid(struct ida *ida);
29 int ksmbd_acquire_async_msg_id(struct ida *ida);
31 int ksmbd_acquire_id(struct ida *ida);
33 void ksmbd_release_id(struct ida *ida, int id);
34 #endif /* __KSMBD_IDA_MANAGEMENT_H__ */