acrn-kernel/include/asm-m68knommu/scatterlist.h

21 lines
474 B
C

#ifndef _M68KNOMMU_SCATTERLIST_H
#define _M68KNOMMU_SCATTERLIST_H
#include <linux/mm.h>
#include <asm/types.h>
struct scatterlist {
struct page *page;
unsigned int offset;
dma_addr_t dma_address;
unsigned int length;
};
#define sg_address(sg) (page_address((sg)->page) + (sg)->offset)
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
#define ISA_DMA_THRESHOLD (0xffffffff)
#endif /* !(_M68KNOMMU_SCATTERLIST_H) */