1 /* 2 * Copyright © 2018 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 #ifndef _UTIL_VMA_H 25 #define _UTIL_VMA_H 26 27 #include <stdint.h> 28 #include <stdio.h> 29 30 #include "list.h" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 struct util_vma_heap { 37 struct list_head holes; 38 39 /** If true, util_vma_heap_alloc will prefer high addresses 40 * 41 * Default is true. 42 */ 43 bool alloc_high; 44 }; 45 46 void util_vma_heap_init(struct util_vma_heap *heap, 47 uint64_t start, uint64_t size); 48 void util_vma_heap_finish(struct util_vma_heap *heap); 49 50 uint64_t util_vma_heap_alloc(struct util_vma_heap *heap, 51 uint64_t size, uint64_t alignment); 52 53 bool util_vma_heap_alloc_addr(struct util_vma_heap *heap, 54 uint64_t addr, uint64_t size); 55 56 void util_vma_heap_free(struct util_vma_heap *heap, 57 uint64_t offset, uint64_t size); 58 59 void util_vma_heap_print(struct util_vma_heap *heap, FILE *fp, 60 const char *tab, uint64_t total_size); 61 62 #ifdef __cplusplus 63 } /* extern C */ 64 #endif 65 66 #endif /* _UTIL_DEBUG_H */ 67