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39 lines
1.6 KiB
C
39 lines
1.6 KiB
C
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/*
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* Copyright © 2017 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef __I915_SYNCMAP_H__
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#define __I915_SYNCMAP_H__
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#include <linux/types.h>
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struct i915_syncmap;
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#define KSYNCMAP 16 /* radix of the tree, how many slots in each layer */
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void i915_syncmap_init(struct i915_syncmap **root);
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int i915_syncmap_set(struct i915_syncmap **root, u64 id, u32 seqno);
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bool i915_syncmap_is_later(struct i915_syncmap **root, u64 id, u32 seqno);
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void i915_syncmap_free(struct i915_syncmap **root);
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#endif /* __I915_SYNCMAP_H__ */
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