diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 19:48:51 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 16:18:52 +0100 |
| commit | 384740dc49ea651ba350704d13ff6be9976e37fe (patch) | |
| tree | a6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/scatterlist.h | |
| parent | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff) | |
| download | blackbird-op-linux-384740dc49ea651ba350704d13ff6be9976e37fe.tar.gz blackbird-op-linux-384740dc49ea651ba350704d13ff6be9976e37fe.zip | |
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/scatterlist.h')
| -rw-r--r-- | arch/mips/include/asm/scatterlist.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/include/asm/scatterlist.h b/arch/mips/include/asm/scatterlist.h new file mode 100644 index 000000000000..83d69fe17c9f --- /dev/null +++ b/arch/mips/include/asm/scatterlist.h @@ -0,0 +1,28 @@ +#ifndef __ASM_SCATTERLIST_H +#define __ASM_SCATTERLIST_H + +#include <asm/types.h> + +struct scatterlist { +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif + unsigned long page_link; + unsigned int offset; + dma_addr_t dma_address; + unsigned int length; +}; + +/* + * 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) + +#define ISA_DMA_THRESHOLD (0x00ffffffUL) + +#endif /* __ASM_SCATTERLIST_H */ |
