ia64/xen-unstable

view linux-2.6-xen-sparse/include/asm-xen/asm-i386/scatterlist.h @ 8534:da7873110bbb

Tiny bootstrap cleanup.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Mon Jan 09 19:46:46 2006 +0100 (2006-01-09)
parents 06d84bf87159
children
line source
1 #ifndef _I386_SCATTERLIST_H
2 #define _I386_SCATTERLIST_H
4 struct scatterlist {
5 struct page *page;
6 unsigned int offset;
7 unsigned int length;
8 dma_addr_t dma_address;
9 unsigned int dma_length;
10 };
12 /* These macros should be used after a pci_map_sg call has been done
13 * to get bus addresses of each of the SG entries and their lengths.
14 * You should only work with the number of sg entries pci_map_sg
15 * returns.
16 */
17 #define sg_dma_address(sg) ((sg)->dma_address)
18 #define sg_dma_len(sg) ((sg)->dma_length)
20 #define ISA_DMA_THRESHOLD (0x00ffffff)
22 #endif /* !(_I386_SCATTERLIST_H) */