mirror of
https://github.com/torvalds/linux
synced 2024-10-19 17:58:44 +00:00
af1a8899d2
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 20 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170858.552543146@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* include/asm/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>
|
|
*/
|
|
|
|
#include <asm/spitfire.h>
|
|
|
|
void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
|
|
void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *);
|
|
void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *);
|
|
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,
|
|
};
|
|
|
|
void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
|
|
void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *);
|
|
void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
|
|
unsigned long *, unsigned long *);
|
|
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 && \
|
|
(sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \
|
|
sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \
|
|
sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \
|
|
sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \
|
|
sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \
|
|
&xor_block_niagara : \
|
|
&xor_block_VIS)
|