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/*

 * include/linux/dmapool.h

 *

 * Allocation pools for DMAable (coherent) memory.

 *

 * This file is licensed under  the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#ifndef LINUX_DMAPOOL_H

#define	LINUX_DMAPOOL_H

struct dma_pool *dma_pool_create(const char *name, struct device *dev,

			size_t size, size_t align, size_t allocation);

void dma_pool_destroy(struct dma_pool *pool);

void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,

		     dma_addr_t *handle);

static inline void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags,

				    dma_addr_t *handle)

{

	return dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle);

}

void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);

/*

 * Managed DMA pool

 */

struct dma_pool *dmam_pool_create(const char *name, struct device *dev,

				  size_t size, size_t align, size_t allocation);

void dmam_pool_destroy(struct dma_pool *pool);

#endif