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65 lines
2.1 KiB
65 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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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 ([email protected]) |
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* Copyright (C) 2006 David S. Miller <[email protected]> |
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*/ |
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#include <asm/spitfire.h> |
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void xor_vis_2(unsigned long, unsigned long *, unsigned long *); |
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void xor_vis_3(unsigned long, unsigned long *, unsigned long *, |
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unsigned long *); |
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void xor_vis_4(unsigned long, unsigned long *, unsigned long *, |
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unsigned long *, unsigned long *); |
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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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void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); |
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void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, |
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unsigned long *); |
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void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, |
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unsigned long *, unsigned long *); |
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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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