acrn-hypervisor/hypervisor/include/lib/mem_mgt.h

30 lines
877 B
C

/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef MEM_MGT_H
#define MEM_MGT_H
/* Macros */
#define BITMAP_WORD_SIZE 32U
struct mem_pool {
void *start_addr; /* Start Address of Memory Pool */
spinlock_t spinlock; /* To protect Memory Allocation */
uint32_t size; /* Size of Memory Pool in Bytes */
uint32_t buff_size; /* Size of one Buffer in Bytes */
uint32_t total_buffs; /* Total Buffers in Memory Pool */
uint32_t bmp_size; /* Size of Bitmap Array */
uint32_t *bitmap; /* Pointer to allocation bitmap */
uint32_t *contiguity_bitmap; /* Pointer to contiguity bitmap */
};
/* APIs exposing memory allocation/deallocation abstractions */
void *malloc(uint32_t num_bytes);
void *calloc(uint32_t num_elements, uint32_t element_size);
void free(const void *ptr);
#endif /* MEM_MGT_H */