include/asm-sparc64/xor.h

   1 /*
   2  * include/asm-sparc64/xor.h
   3  *
   4  * High speed xor_block operation for RAID4/5 utilizing the
   5  * UltraSparc Visual Instruction Set.
   6  *
   7  * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * (for example /usr/src/linux/COPYING); if not, write to the Free
  16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #include <asm/pstate.h>
  20 #include <asm/asi.h>
  21
  22 extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
  23 extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
  24                       unsigned long *);
  25 extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
  26                       unsigned long *, unsigned long *);
  27 extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
  28                       unsigned long *, unsigned long *, unsigned long *);
  29
  30 /* XXX Ugh, write cheetah versions... -DaveM */
  31
  32 static struct xor_block_template xor_block_VIS = {
  33         .name   = "VIS",
  34         .do_2   = xor_vis_2,
  35         .do_3   = xor_vis_3,
  36         .do_4   = xor_vis_4,
  37         .do_5   = xor_vis_5,
  38 };
  39
  40 #define XOR_TRY_TEMPLATES       xor_speed(&xor_block_VIS)