File: scatterlist.h

package info (click to toggle)
kernel-source-2.4.14 2.4.14-1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 139,160 kB
  • ctags: 428,423
  • sloc: ansic: 2,435,554; asm: 141,119; makefile: 8,258; sh: 3,099; perl: 2,561; yacc: 1,177; cpp: 755; tcl: 577; lex: 352; awk: 251; lisp: 218; sed: 72
file content (28 lines) | stat: -rw-r--r-- 586 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
/* $Id: scatterlist.h,v 1.10 2001/10/09 02:24:35 davem Exp $ */
#ifndef _SPARC64_SCATTERLIST_H
#define _SPARC64_SCATTERLIST_H

#include <asm/page.h>

struct scatterlist {
	/* This will disappear in 2.5.x */
	char *address;

	/* These two are only valid if ADDRESS member of this
	 * struct is NULL.
	 */
	struct page *page;
	unsigned int offset;

	unsigned int length;

	dma_addr_t dma_address;
	__u32 dma_length;
};

#define sg_dma_address(sg)	((sg)->dma_address)
#define sg_dma_len(sg)     	((sg)->dma_length)

#define ISA_DMA_THRESHOLD	(~0UL)

#endif /* !(_SPARC64_SCATTERLIST_H) */