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-rw-r--r--fs/ksmbd/mgmt/ksmbd_ida.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/ksmbd/mgmt/ksmbd_ida.h b/fs/ksmbd/mgmt/ksmbd_ida.h
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+++ b/fs/ksmbd/mgmt/ksmbd_ida.h
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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__ */