32 lines
957 B
C
32 lines
957 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 32
|
|
|
|
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(unsigned int num_bytes);
|
|
void *calloc(unsigned int num_elements, unsigned int element_size);
|
|
void *alloc_page(void);
|
|
void *alloc_pages(unsigned int page_num);
|
|
void free(void *ptr);
|
|
|
|
#endif /* MEM_MGT_H_ */
|