From 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:20:03 +0200 Subject: 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 Signed-off-by: Ingo Molnar --- include/asm-x86/scatterlist_32.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/asm-x86/scatterlist_32.h (limited to 'include/asm-x86/scatterlist_32.h') diff --git a/include/asm-x86/scatterlist_32.h b/include/asm-x86/scatterlist_32.h new file mode 100644 index 00000000000..d7e45a8f1aa --- /dev/null +++ b/include/asm-x86/scatterlist_32.h @@ -0,0 +1,23 @@ +#ifndef _I386_SCATTERLIST_H +#define _I386_SCATTERLIST_H + +#include + +struct scatterlist { + struct page *page; + 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. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + +#define ISA_DMA_THRESHOLD (0x00ffffff) + +#endif /* !(_I386_SCATTERLIST_H) */ -- cgit v1.2.3