1/*	$NetBSD: i915_syncmap.h,v 1.2 2021/12/18 23:45:28 riastradh Exp $	*/
2
3/*
4 * Copyright �� 2017 Intel Corporation
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * IN THE SOFTWARE.
24 *
25 */
26
27#ifndef __I915_SYNCMAP_H__
28#define __I915_SYNCMAP_H__
29
30#include <linux/types.h>
31
32struct i915_syncmap;
33#define KSYNCMAP 16 /* radix of the tree, how many slots in each layer */
34
35void i915_syncmap_init(struct i915_syncmap **root);
36int i915_syncmap_set(struct i915_syncmap **root, u64 id, u32 seqno);
37bool i915_syncmap_is_later(struct i915_syncmap **root, u64 id, u32 seqno);
38void i915_syncmap_free(struct i915_syncmap **root);
39
40#endif /* __I915_SYNCMAP_H__ */
41