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| author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
| commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
| tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/scatterlist_64.h | |
| parent | x86: sanitize pathes arch/x86/kernel/cpu/Makefile (diff) | |
| download | linux-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.tar.xz linux-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.zip | |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/scatterlist_64.h')
| -rw-r--r-- | include/asm-x86/scatterlist_64.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-x86/scatterlist_64.h b/include/asm-x86/scatterlist_64.h new file mode 100644 index 000000000000..eaf7ada27e14 --- /dev/null +++ b/include/asm-x86/scatterlist_64.h @@ -0,0 +1,24 @@ +#ifndef _X8664_SCATTERLIST_H +#define _X8664_SCATTERLIST_H + +#include <asm/types.h> + +struct scatterlist { + struct page *page; + unsigned int offset; + unsigned int length; + dma_addr_t dma_address; + unsigned int dma_length; +}; + +#define ISA_DMA_THRESHOLD (0x00ffffff) + +/* 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. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->dma_length) + +#endif |