diff options
| author | John W. Linville <linville@tuxdriver.com> | 2005-09-29 23:45:52 +0200 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-09-29 23:45:52 +0200 |
| commit | 8d15d19e44d2e903d00ae4b70da917ac77921239 (patch) | |
| tree | af073d56ae211c4b9de3363168dc264fb03ac64a /include/asm-x86_64 | |
| parent | [PATCH] swiotlb: file header comments (diff) | |
| download | linux-8d15d19e44d2e903d00ae4b70da917ac77921239.tar.xz linux-8d15d19e44d2e903d00ae4b70da917ac77921239.zip | |
[PATCH] x86_64: implement dma_sync_single_range_for_{cpu,device}
Re-implement dma_sync_single_range_for_{cpu,device} for x86_64 using
swiotlb_sync_single_range_for_{cpu,device}.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/dma-mapping.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h index e784fdc524f1..45ca88c875c0 100644 --- a/include/asm-x86_64/dma-mapping.h +++ b/include/asm-x86_64/dma-mapping.h @@ -85,10 +85,33 @@ static inline void dma_sync_single_for_device(struct device *hwdev, flush_write_buffers(); } -#define dma_sync_single_range_for_cpu(dev, dma_handle, offset, size, dir) \ - dma_sync_single_for_cpu(dev, dma_handle, size, dir) -#define dma_sync_single_range_for_device(dev, dma_handle, offset, size, dir) \ - dma_sync_single_for_device(dev, dma_handle, size, dir) +static inline void dma_sync_single_range_for_cpu(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_cpu(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} + +static inline void dma_sync_single_range_for_device(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_device(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} static inline void dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, |