blob: 810080bb0a2b2cfa498c39fed32c11d2897763bd [file] [log] [blame]
* include/asm-xtensa/scatterlist.h
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
* Copyright (C) 2001 - 2005 Tensilica Inc.
#include <asm/types.h>
struct scatterlist {
unsigned long sg_magic;
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)