/* * 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)