scatterlist.h
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上传日期:2013-04-10
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- #ifndef _PPC64_SCATTERLIST_H
- #define _PPC64_SCATTERLIST_H
- /*
- * Copyright (C) 2001 PPC64 Team, IBM Corp
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- #include <linux/types.h>
- #include <asm/dma.h>
- struct scatterlist {
- char *address; /* Virtual addr data is to be transferred to */
- struct page *page; /* Location for highmem page, if any */
- unsigned int offset; /* for highmem, page offset */
- unsigned int length;
- /* For TCE support */
- u32 dma_address;
- u32 dma_length;
- };
- #define ISA_DMA_THRESHOLD (~0UL)
- #endif /* !(_PPC64_SCATTERLIST_H) */