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96e3328ac2
This new function lets you request to remove a specific address range from the allocator. It returns true on success and leaves the allocator unmodified and returns false on failure. It doesn't need to return an offset because, if it succeeds, the offset passed in is the allocated offset. Reviewed-by: Ivan Briano <ivan.briano@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright © 2018 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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#ifndef _UTIL_VMA_H
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#define _UTIL_VMA_H
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#include <stdint.h>
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#include "list.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct util_vma_heap {
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struct list_head holes;
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};
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void util_vma_heap_init(struct util_vma_heap *heap,
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uint64_t start, uint64_t size);
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void util_vma_heap_finish(struct util_vma_heap *heap);
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uint64_t util_vma_heap_alloc(struct util_vma_heap *heap,
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uint64_t size, uint64_t alignment);
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bool util_vma_heap_alloc_addr(struct util_vma_heap *heap,
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uint64_t addr, uint64_t size);
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void util_vma_heap_free(struct util_vma_heap *heap,
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uint64_t offset, uint64_t size);
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#ifdef __cplusplus
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} /* extern C */
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#endif
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#endif /* _UTIL_DEBUG_H */
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