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