diff options
Diffstat (limited to 'fs/ksmbd/mgmt/ksmbd_ida.h')
| -rw-r--r-- | fs/ksmbd/mgmt/ksmbd_ida.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/ksmbd/mgmt/ksmbd_ida.h b/fs/ksmbd/mgmt/ksmbd_ida.h new file mode 100644 index 000000000000..2bc07b16cfde --- /dev/null +++ b/fs/ksmbd/mgmt/ksmbd_ida.h @@ -0,0 +1,34 @@ +/* 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__ */ |