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