mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +08:00
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
|
#ifndef __LINUX_SWIOTLB_XEN_H
|
||
|
|
#define __LINUX_SWIOTLB_XEN_H
|
||
|
|
|
||
|
|
#include <linux/swiotlb.h>
|
||
|
|
|
||
|
|
extern void xen_swiotlb_init(int verbose);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
|
||
|
|
dma_addr_t *dma_handle, gfp_t flags);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_free_coherent(struct device *hwdev, size_t size,
|
||
|
|
void *vaddr, dma_addr_t dma_handle);
|
||
|
|
|
||
|
|
extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
|
||
|
|
unsigned long offset, size_t size,
|
||
|
|
enum dma_data_direction dir,
|
||
|
|
struct dma_attrs *attrs);
|
||
|
|
|
||
|
|
extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
|
||
|
|
size_t size, enum dma_data_direction dir,
|
||
|
|
struct dma_attrs *attrs);
|
||
|
|
/*
|
||
|
|
extern int
|
||
|
|
xen_swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
|
||
|
|
enum dma_data_direction dir);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
|
||
|
|
enum dma_data_direction dir);
|
||
|
|
*/
|
||
|
|
extern int
|
||
|
|
xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
|
||
|
|
int nelems, enum dma_data_direction dir,
|
||
|
|
struct dma_attrs *attrs);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
|
||
|
|
int nelems, enum dma_data_direction dir,
|
||
|
|
struct dma_attrs *attrs);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
|
||
|
|
size_t size, enum dma_data_direction dir);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
|
||
|
|
int nelems, enum dma_data_direction dir);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
|
||
|
|
size_t size, enum dma_data_direction dir);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
|
||
|
|
int nelems, enum dma_data_direction dir);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
xen_swiotlb_dma_supported(struct device *hwdev, u64 mask);
|
||
|
|
|
||
|
|
#endif /* __LINUX_SWIOTLB_XEN_H */
|