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v0.8.1
https://github.com/torvalds/linux
02 December 2023, 22:23:51 UTC
Revision a41d7f000447015f3f5fe7223f1d53845268e2e8 authored by Linus Torvalds on 25 May 2007, 22:48:24 UTC, committed by Linus Torvalds on 25 May 2007, 22:48:24 UTC 
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
 
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_hpt37x: Further improvements based on the IDE updates and vendor drivers
  pata: Trivia
  [libata] sata_via, pata_via: Add PCI IDs.
  [libata] Fix decoding of 6-byte commands
  libata: sata_sis fixes
  Fix build failure for drivers/ata/pata_scc.c
  [libata] sata_mv: add TODO list
  [libata] sata_promise: fix flags typo
2 parent s d9b08b9 + 960c8a1
Raw File
Tip revision: a41d7f000447015f3f5fe7223f1d53845268e2e8 authored by Linus Torvalds on 25 May 2007, 22:48:24 UTC
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
Tip revision: a41d7f0
scatterlist.h 
#ifndef _I386_SCATTERLIST_H
#define _I386_SCATTERLIST_H

#include <asm/types.h>

struct scatterlist {
    struct page		*page;
    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.
 */
#define sg_dma_address(sg)	((sg)->dma_address)
#define sg_dma_len(sg)		((sg)->length)

#define ISA_DMA_THRESHOLD (0x00ffffff)

#endif /* !(_I386_SCATTERLIST_H) */
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