/* 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__ */