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