shared_multi_heap.h

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/*
 * Copyright (c) 2021 Carlo Caione, <ccaione@baylibre.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_MULTI_HEAP_SHARED_MULTI_HEAP_H_
#define ZEPHYR_INCLUDE_MULTI_HEAP_SHARED_MULTI_HEAP_H_
 
#ifdef __cplusplus
extern "C" {
#endif



enum shared_multi_heap_attr {
        SMH_REG_ATTR_CACHEABLE,

        SMH_REG_ATTR_NON_CACHEABLE,

        SMH_REG_ATTR_EXTERNAL,

        SMH_REG_ATTR_NUM,
};

#define MAX_SHARED_MULTI_HEAP_ATTR SMH_REG_ATTR_NUM

struct shared_multi_heap_region {
        uint32_t attr;

        uintptr_t addr;

        size_t size;
};

int shared_multi_heap_pool_init(void);

void *shared_multi_heap_alloc(enum shared_multi_heap_attr attr, size_t bytes);

void *shared_multi_heap_aligned_alloc(enum shared_multi_heap_attr attr,
                                      size_t align, size_t bytes);

void shared_multi_heap_free(void *block);

int shared_multi_heap_add(struct shared_multi_heap_region *region, void *user_data);

void *shared_multi_heap_realloc(enum shared_multi_heap_attr attr, void *ptr, size_t bytes);

 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_MULTI_HEAP_SHARED_MULTI_HEAP_H_ */