dmapool.h 923 B

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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. #ifndef LINUX_DMAPOOL_H
  11. #define LINUX_DMAPOOL_H
  12. #include <asm/io.h>
  13. #include <asm/scatterlist.h>
  14. struct dma_pool *dma_pool_create(const char *name, struct device *dev,
  15. size_t size, size_t align, size_t allocation);
  16. void dma_pool_destroy(struct dma_pool *pool);
  17. void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
  18. dma_addr_t *handle);
  19. void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
  20. /*
  21. * Managed DMA pool
  22. */
  23. struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
  24. size_t size, size_t align, size_t allocation);
  25. void dmam_pool_destroy(struct dma_pool *pool);
  26. #endif