72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
/**
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@file dal_mpool.h
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@author Copyright (C) 2011 Centec Networks Inc. All rights reserved.
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@date 2012-5-10
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@version v2.0
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This file contains the dma memory init, allocation and free APIs
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*/
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#ifndef _DMA_MPOOL_H
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#define _DMA_MPOOL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DAL_MPOOL_MAX_DESX_SIZE (1024*1024)
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enum dal_mpool_type_e
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{
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DAL_MPOOL_TYPE_USELESS, /* just compatible with GB */
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DAL_MPOOL_TYPE_DESC, /* dma mpool op for desc */
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DAL_MPOOL_TYPE_DATA /* dma mpool op for data */
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};
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typedef enum dal_mpool_type_e dal_mpool_type_t;
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struct dal_mpool_mem_s
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{
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unsigned char* address;
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int size;
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int type;
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struct dal_mpool_mem_s* next;
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};
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typedef struct dal_mpool_mem_s dal_mpool_mem_t;
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/**
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@brief This function is to alloc dma memory
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@param[in] size size of memory
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@return NULL
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*/
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extern int
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dal_mpool_init(void);
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extern dal_mpool_mem_t*
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dal_mpool_create(void* base_ptr, int size);
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extern void*
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dal_mpool_alloc(dal_mpool_mem_t* pool, int size, int type);
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extern void
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dal_mpool_free(dal_mpool_mem_t* pool, void* addr);
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extern int
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dal_mpool_destroy(dal_mpool_mem_t* pool);
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extern int
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dal_mpool_usage(dal_mpool_mem_t* pool, int type);
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extern int
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dal_mpool_debug(dal_mpool_mem_t* pool);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_DMA_MPOOL_H */
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