mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 09:36:42 +07:00
c7fb577e2a
Applied Al's change 06a544971f
to new location of swiotlb.c
Signed-off-by: Tony Luck <tony.luck@intel.com>
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
#ifndef _ASM_SWIOTLB_H
|
|
#define _ASM_SWTIOLB_H 1
|
|
|
|
#include <linux/config.h>
|
|
|
|
/* SWIOTLB interface */
|
|
|
|
extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, size_t size,
|
|
int dir);
|
|
extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
|
|
size_t size, int dir);
|
|
extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
|
|
dma_addr_t dev_addr,
|
|
size_t size, int dir);
|
|
extern void swiotlb_sync_single_for_device(struct device *hwdev,
|
|
dma_addr_t dev_addr,
|
|
size_t size, int dir);
|
|
extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev,
|
|
dma_addr_t dev_addr,
|
|
unsigned long offset,
|
|
size_t size, int dir);
|
|
extern void swiotlb_sync_single_range_for_device(struct device *hwdev,
|
|
dma_addr_t dev_addr,
|
|
unsigned long offset,
|
|
size_t size, int dir);
|
|
extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
|
|
struct scatterlist *sg, int nelems,
|
|
int dir);
|
|
extern void swiotlb_sync_sg_for_device(struct device *hwdev,
|
|
struct scatterlist *sg, int nelems,
|
|
int dir);
|
|
extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
|
|
int nents, int direction);
|
|
extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
|
|
int nents, int direction);
|
|
extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
|
|
extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size,
|
|
dma_addr_t *dma_handle, gfp_t flags);
|
|
extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
|
|
void *vaddr, dma_addr_t dma_handle);
|
|
|
|
#ifdef CONFIG_SWIOTLB
|
|
extern int swiotlb;
|
|
#else
|
|
#define swiotlb 0
|
|
#endif
|
|
|
|
#endif
|