| 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 |
|