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 dma_pool *dma_pool_create(const char *name, struct device *dev, 18 size_t size, size_t align, size_t allocation); 19 20void dma_pool_destroy(struct dma_pool *pool); 21 22void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags, 23 dma_addr_t *handle); 24 25void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr); 26 27/* 28 * Managed DMA pool 29 */ 30struct dma_pool *dmam_pool_create(const char *name, struct device *dev, 31 size_t size, size_t align, size_t allocation); 32void dmam_pool_destroy(struct dma_pool *pool); 33 34#endif 35