forked from luck/tmp_suning_uos_patched
08cefa9fa7
Recognize T4 and T5 chips. Treating them both as "T2 plus other stuff" should be extremely safe and make sure distributions will work when those chips actually ship to customers. Signed-off-by: David S. Miller <davem@davemloft.net>
74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/*
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* include/asm/xor.h
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*
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* High speed xor_block operation for RAID4/5 utilizing the
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* UltraSparc Visual Instruction Set and Niagara block-init
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* twin-load instructions.
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*
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* Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
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* Copyright (C) 2006 David S. Miller <davem@davemloft.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* You should have received a copy of the GNU General Public License
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* (for example /usr/src/linux/COPYING); if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <asm/spitfire.h>
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extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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/* XXX Ugh, write cheetah versions... -DaveM */
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static struct xor_block_template xor_block_VIS = {
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.name = "VIS",
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.do_2 = xor_vis_2,
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.do_3 = xor_vis_3,
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.do_4 = xor_vis_4,
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.do_5 = xor_vis_5,
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};
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extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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static struct xor_block_template xor_block_niagara = {
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.name = "Niagara",
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.do_2 = xor_niagara_2,
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.do_3 = xor_niagara_3,
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.do_4 = xor_niagara_4,
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.do_5 = xor_niagara_5,
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};
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#undef XOR_TRY_TEMPLATES
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#define XOR_TRY_TEMPLATES \
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do { \
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xor_speed(&xor_block_VIS); \
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xor_speed(&xor_block_niagara); \
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} while (0)
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/* For VIS for everything except Niagara. */
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#define XOR_SELECT_TEMPLATE(FASTEST) \
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((tlb_type == hypervisor && \
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(sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \
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sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \
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sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \
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sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \
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sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \
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&xor_block_niagara : \
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&xor_block_VIS)
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