xor: make 'xor_blocks' a library routine for use with async_tx
[linux-2.6-block.git] / include / linux / raid / xor.h
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1da177e4
LT
1#ifndef _XOR_H
2#define _XOR_H
3
4#include <linux/raid/md.h>
5
6#define MAX_XOR_BLOCKS 5
7
685784aa 8extern void xor_blocks(unsigned int count, unsigned int bytes, void **ptr);
1da177e4
LT
9
10struct xor_block_template {
11 struct xor_block_template *next;
12 const char *name;
13 int speed;
14 void (*do_2)(unsigned long, unsigned long *, unsigned long *);
15 void (*do_3)(unsigned long, unsigned long *, unsigned long *,
16 unsigned long *);
17 void (*do_4)(unsigned long, unsigned long *, unsigned long *,
18 unsigned long *, unsigned long *);
19 void (*do_5)(unsigned long, unsigned long *, unsigned long *,
20 unsigned long *, unsigned long *, unsigned long *);
21};
22
23#endif