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