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author | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 03:09:44 +0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 03:09:44 +0400 |
commit | f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch) | |
tree | 774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/scatterlist.h | |
parent | 25326277d8d1393d1c66240e6255aca780f9e3eb (diff) | |
download | linux-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.xz |
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac.
Most of the moving about was done with Sam's directions at:
http://marc.info/?l=linux-sh&m=121724823706062&w=2
with subsequent hacking and fixups entirely my fault.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/scatterlist.h')
-rw-r--r-- | arch/sh/include/asm/scatterlist.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h new file mode 100644 index 000000000000..2084d0373693 --- /dev/null +++ b/arch/sh/include/asm/scatterlist.h @@ -0,0 +1,27 @@ +#ifndef __ASM_SH_SCATTERLIST_H +#define __ASM_SH_SCATTERLIST_H + +#include <asm/types.h> + +struct scatterlist { +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif + unsigned long page_link; + unsigned int offset;/* for highmem, page offset */ + dma_addr_t dma_address; + unsigned int length; +}; + +#define ISA_DMA_THRESHOLD PHYS_ADDR_MASK + +/* These macros should be used after a pci_map_sg call has been done + * to get bus addresses of each of the SG entries and their lengths. + * You should only work with the number of sg entries pci_map_sg + * returns, or alternatively stop on the first sg_dma_len(sg) which + * is 0. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + +#endif /* !(__ASM_SH_SCATTERLIST_H) */ |