| Chris Wilson | 4797948 | 2017-05-03 10:39:21 +0100 | [diff] [blame] | 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__ */ |