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/*
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/*
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 * include/linux/dmapool.h
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 * include/linux/dmapool.h
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 *
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 *
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 * Allocation pools for DMAable (coherent) memory.
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 * Allocation pools for DMAable (coherent) memory.
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 *
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 *
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 * This file is licensed under  the terms of the GNU General Public
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 * This file is licensed under  the terms of the GNU General Public
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 * License version 2. This program is licensed "as is" without any
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 * License version 2. This program is licensed "as is" without any
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 * warranty of any kind, whether express or implied.
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 * warranty of any kind, whether express or implied.
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 */
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 */
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#ifndef LINUX_DMAPOOL_H
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#ifndef LINUX_DMAPOOL_H
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#define	LINUX_DMAPOOL_H
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#define	LINUX_DMAPOOL_H
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#include
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#include
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struct device;
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struct dma_pool *dma_pool_create(const char *name, struct device *dev,
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struct dma_pool *dma_pool_create(const char *name, struct device *dev,
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			size_t size, size_t align, size_t allocation);
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			size_t size, size_t align, size_t allocation);
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void dma_pool_destroy(struct dma_pool *pool);
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void dma_pool_destroy(struct dma_pool *pool);
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void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
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void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
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		     dma_addr_t *handle);
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		     dma_addr_t *handle);
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static inline void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags,
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static inline void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags,
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				    dma_addr_t *handle)
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				    dma_addr_t *handle)
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{
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{
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	return dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle);
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	return dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle);
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}
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}
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void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
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void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
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/*
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/*
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 * Managed DMA pool
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 * Managed DMA pool
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 */
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 */
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struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
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struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
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				  size_t size, size_t align, size_t allocation);
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				  size_t size, size_t align, size_t allocation);
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void dmam_pool_destroy(struct dma_pool *pool);
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void dmam_pool_destroy(struct dma_pool *pool);
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#endif
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#endif