2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * include/asm-sh64/scatterlist.h
8 * Copyright (C) 2003 Paul Mundt
11 #ifndef __ASM_SH64_SCATTERLIST_H
12 #define __ASM_SH64_SCATTERLIST_H
14 #include <asm/types.h>
17 #ifdef CONFIG_DEBUG_SG
18 unsigned long sg_magic;
20 unsigned long page_link;
21 unsigned int offset;/* for highmem, page offset */
22 dma_addr_t dma_address;
26 /* These macros should be used after a pci_map_sg call has been done
27 * to get bus addresses of each of the SG entries and their lengths.
28 * You should only work with the number of sg entries pci_map_sg
29 * returns, or alternatively stop on the first sg_dma_len(sg) which
32 #define sg_dma_address(sg) ((sg)->dma_address)
33 #define sg_dma_len(sg) ((sg)->length)
35 #define ISA_DMA_THRESHOLD (0xffffffff)
37 #endif /* !__ASM_SH64_SCATTERLIST_H */