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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, |
23 | dma_addr_t *handle); |
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 | |
36 |
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