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