xref: /OK3568_Linux_fs/kernel/include/linux/raid/xor.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _XOR_H
3*4882a593Smuzhiyun #define _XOR_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #define MAX_XOR_BLOCKS 4
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun extern void xor_blocks(unsigned int count, unsigned int bytes,
8*4882a593Smuzhiyun 	void *dest, void **srcs);
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct xor_block_template {
11*4882a593Smuzhiyun         struct xor_block_template *next;
12*4882a593Smuzhiyun         const char *name;
13*4882a593Smuzhiyun         int speed;
14*4882a593Smuzhiyun 	void (*do_2)(unsigned long, unsigned long *, unsigned long *);
15*4882a593Smuzhiyun 	void (*do_3)(unsigned long, unsigned long *, unsigned long *,
16*4882a593Smuzhiyun 		     unsigned long *);
17*4882a593Smuzhiyun 	void (*do_4)(unsigned long, unsigned long *, unsigned long *,
18*4882a593Smuzhiyun 		     unsigned long *, unsigned long *);
19*4882a593Smuzhiyun 	void (*do_5)(unsigned long, unsigned long *, unsigned long *,
20*4882a593Smuzhiyun 		     unsigned long *, unsigned long *, unsigned long *);
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #endif
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