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| author | John W. Linville <linville@tuxdriver.com> | 2005-09-29 14:44:23 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-09-29 14:44:23 -0700 |
| commit | 878a97cfd7014b01285db09f52f9881ffe4cb608 (patch) | |
| tree | 19f19873602a559a351d669ee09988e8ce8bfa6e /include/asm-x86_64 | |
| parent | 8270f3f1a605c83b3aa516c1eaed209fe0884e84 (diff) | |
| download | lwn-878a97cfd7014b01285db09f52f9881ffe4cb608.tar.gz lwn-878a97cfd7014b01285db09f52f9881ffe4cb608.zip | |
[PATCH] swiotlb: support syncing sub-ranges of mappings
This patch implements swiotlb_sync_single_range_for_{cpu,device}. This
is intended to support an x86_64 implementation of
dma_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/swiotlb.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86_64/swiotlb.h b/include/asm-x86_64/swiotlb.h index 36293061f4ed..9b011dd8d19d 100644 --- a/include/asm-x86_64/swiotlb.h +++ b/include/asm-x86_64/swiotlb.h @@ -15,6 +15,14 @@ extern void swiotlb_sync_single_for_cpu(struct device *hwdev, 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); |