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_MANAGER_SMH_H_
#define ZEPHYR_INCLUDE_MULTI_HEAP_MANAGER_SMH_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);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_MULTI_HEAP_MANAGER_SMH_H_ */