mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 16:26:48 +07:00
7cf27cb416
Implement the scattergather support macros for m68knommu targets. Patch originally submitted by Leon Woestenberg <leonw@mailcan.com>. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
20 lines
449 B
C
20 lines
449 B
C
#ifndef _M68KNOMMU_SCATTERLIST_H
|
|
#define _M68KNOMMU_SCATTERLIST_H
|
|
|
|
#include <linux/mm.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) */
|