summaryrefslogtreecommitdiffstats
path: root/drivers/ieee1394/dma.h
diff options
context:
space:
mode:
authorStefan Richter <stefanr@s5r6.in-berlin.de>2007-03-05 03:06:23 +0100
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-04-30 00:00:28 +0200
commitafd6546d8d2d8ba1dbe1d2508baf81eebdca3d79 (patch)
treec6f5d115d7cb7eb6daad6c8a27b4854809e5ed50 /drivers/ieee1394/dma.h
parentieee1394: remove declarations of nonexisting functions (diff)
downloadlinux-afd6546d8d2d8ba1dbe1d2508baf81eebdca3d79.tar.xz
linux-afd6546d8d2d8ba1dbe1d2508baf81eebdca3d79.zip
ieee1394: move some comments from declaration to definition
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394/dma.h')
-rw-r--r--drivers/ieee1394/dma.h22
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/ieee1394/dma.h b/drivers/ieee1394/dma.h
index a1682aba71c7..2727bcd24194 100644
--- a/drivers/ieee1394/dma.h
+++ b/drivers/ieee1394/dma.h
@@ -66,35 +66,23 @@ struct dma_region {
int direction;
};
-/* clear out all fields but do not allocate anything */
void dma_region_init(struct dma_region *dma);
-
-/* allocate the buffer and map it to the IOMMU */
int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes,
struct pci_dev *dev, int direction);
-
-/* unmap and free the buffer */
void dma_region_free(struct dma_region *dma);
-
-/* sync the CPU's view of the buffer */
void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset,
unsigned long len);
-
-/* sync the IO bus' view of the buffer */
void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset,
unsigned long len);
-
-/* map the buffer into a user space process */
int dma_region_mmap(struct dma_region *dma, struct file *file,
struct vm_area_struct *vma);
+dma_addr_t dma_region_offset_to_bus(struct dma_region *dma,
+ unsigned long offset);
-/* macro to index into a DMA region (or dma_prog_region) */
+/**
+ * dma_region_i - macro to index into a DMA region (or dma_prog_region)
+ */
#define dma_region_i(_dma, _type, _index) \
( ((_type*) ((_dma)->kvirt)) + (_index) )
-/* return the DMA bus address of the byte with the given offset
- * relative to the beginning of the dma_region */
-dma_addr_t dma_region_offset_to_bus(struct dma_region *dma,
- unsigned long offset);
-
#endif /* IEEE1394_DMA_H */