66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
|
|
* include/asm-sparc64/xor.h
|
|
*
|
|
* High speed xor_block operation for RAID4/5 utilizing the
|
|
* UltraSparc Visual Instruction Set and Niagara block-init
|
|
* twin-load instructions.
|
|
*
|
|
* Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
|
|
* Copyright (C) 2006 David S. Miller <davem@davemloft.net>
|
|
*
|
|
* 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, or (at your option)
|
|
* any later version.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* (for example /usr/src/linux/COPYING); if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <asm/spitfire.h>
|
|
|
|
extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
|
|
extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *);
|
|
extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *);
|
|
extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *, unsigned long *);
|
|
|
|
/* XXX Ugh, write cheetah versions... -DaveM */
|
|
|
|
static struct xor_block_template xor_block_VIS = {
|
|
.name = "VIS",
|
|
.do_2 = xor_vis_2,
|
|
.do_3 = xor_vis_3,
|
|
.do_4 = xor_vis_4,
|
|
.do_5 = xor_vis_5,
|
|
};
|
|
|
|
extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
|
|
extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *);
|
|
extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *);
|
|
extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *, unsigned long *);
|
|
|
|
static struct xor_block_template xor_block_niagara = {
|
|
.name = "Niagara",
|
|
.do_2 = xor_niagara_2,
|
|
.do_3 = xor_niagara_3,
|
|
.do_4 = xor_niagara_4,
|
|
.do_5 = xor_niagara_5,
|
|
};
|
|
|
|
#undef XOR_TRY_TEMPLATES
|
|
#define XOR_TRY_TEMPLATES \
|
|
do { \
|
|
xor_speed(&xor_block_VIS); \
|
|
xor_speed(&xor_block_niagara); \
|
|
} while (0)
|
|
|
|
/* For VIS for everything except Niagara. */
|
|
#define XOR_SELECT_TEMPLATE(FASTEST) \
|
|
(tlb_type == hypervisor ? &xor_block_niagara : &xor_block_VIS)
|