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
14#include <asm/io.h>
15#include <asm/scatterlist.h>
16
17struct device;
18
19struct dma_pool *dma_pool_create(const char *name, struct device *dev,
20			size_t size, size_t align, size_t allocation);
21
22void dma_pool_destroy(struct dma_pool *pool);
23
24void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
25		     dma_addr_t *handle);
26
27void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
28
29/*
30 * Managed DMA pool
31 */
32struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
33				  size_t size, size_t align, size_t allocation);
34void dmam_pool_destroy(struct dma_pool *pool);
35
36#endif
37
38