[linux-2.6-block.git] / include / linux / dmapool.h

/*
 * 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

#include <linux/scatterlist.h>
#include <asm/io.h>

struct device;

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);

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
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/linux/dmapool.h
	3	*
	4	* Allocation pools for DMAable (coherent) memory.
	5	*
	6	* This file is licensed under the terms of the GNU General Public
	7	* License version 2. This program is licensed "as is" without any
	8	* warranty of any kind, whether express or implied.
	9	*/
	10
	11	#ifndef LINUX_DMAPOOL_H
	12	#define LINUX_DMAPOOL_H
	13
84be456f	14	#include <linux/scatterlist.h>
1da177e4	15	#include <asm/io.h>
1da177e4	16
ce66b032 MB	17	struct device;
ce66b032 MB	18
1da177e4 LT	19	struct dma_pool dma_pool_create(const char name, struct device *dev,
	20	size_t size, size_t align, size_t allocation);
	21
	22	void dma_pool_destroy(struct dma_pool *pool);
	23
dd0fc66f	24	void dma_pool_alloc(struct dma_pool pool, gfp_t mem_flags,
3a11ec5e	25	dma_addr_t *handle);
1da177e4 LT	26
	27	void dma_pool_free(struct dma_pool pool, void vaddr, dma_addr_t addr);
	28
9ac7849e TH	29	/*
	30	* Managed DMA pool
	31	*/
	32	struct dma_pool dmam_pool_create(const char name, struct device *dev,
	33	size_t size, size_t align, size_t allocation);
	34	void dmam_pool_destroy(struct dma_pool *pool);
	35
1da177e4 LT	36	#endif
1da177e4 LT	37