page-coherent.h 663 B

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  1. #ifndef _ASM_ARM64_XEN_PAGE_COHERENT_H
  2. #define _ASM_ARM64_XEN_PAGE_COHERENT_H
  3. #include <asm/page.h>
  4. #include <linux/dma-attrs.h>
  5. #include <linux/dma-mapping.h>
  6. static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
  7. dma_addr_t *dma_handle, gfp_t flags,
  8. struct dma_attrs *attrs)
  9. {
  10. return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs);
  11. }
  12. static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
  13. void *cpu_addr, dma_addr_t dma_handle,
  14. struct dma_attrs *attrs)
  15. {
  16. __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs);
  17. }
  18. #endif /* _ASM_ARM64_XEN_PAGE_COHERENT_H */