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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. struct dma_pool *dma_pool_create(const char *name, struct device *dev,
  15.                         size_t size, size_t align, size_t allocation);
  16.  
  17. void dma_pool_destroy(struct dma_pool *pool);
  18.  
  19. void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
  20.                      dma_addr_t *handle);
  21.  
  22. void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
  23.  
  24.  
  25. #endif
  26.  
  27.