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Commit 98ec302b authored by H. Peter Anvin's avatar H. Peter Anvin Committed by Linus Torvalds
Browse files

md: raid6: Fix mktable.c 



Make both mktables.c and its output CodingStyle compliant.  Update the
copyright notice.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Signed-off-by: default avatarNeil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 54212cf4

drivers/md/mktables.c

+17 −26
Original line number Diff line number Diff line 
#ident "$Id: mktables.c,v 1.2 2002/12/12 22:41:27 hpa Exp $"

/* ----------------------------------------------------------------------- *

/* -*- linux-c -*- ------------------------------------------------------- *

 *

 *   Copyright 2002 H. Peter Anvin - All Rights Reserved

 *   Copyright 2002-2007 H. Peter Anvin - All Rights Reserved

 *

 *   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, Inc., 53 Temple Place Ste 330,

 *   Bostom MA 02111-1307, USA; either version 2 of the License, or

 *   (at your option) any later version; incorporated herein by reference.

 *   This file is part of the Linux kernel, and is made available under

 *   the terms of the GNU General Public License version 2 or (at your

 *   option) any later version; incorporated herein by reference.

 *

 * ----------------------------------------------------------------------- */
@@ -73,8 +70,8 @@ int main(int argc, char *argv[]) 
		for (j = 0; j < 256; j += 8) {

			printf("\t\t");

			for (k = 0; k < 8; k++)

				printf("0x%02x, ", gfmul(i, j+k));

			printf("\n");

				printf("0x%02x,%c", gfmul(i, j + k),

				       (k == 7) ? '\n' : ' ');

		}

		printf("\t},\n");

	}
@@ -83,47 +80,41 @@ int main(int argc, char *argv[]) 
	/* Compute power-of-2 table (exponent) */

	v = 1;

	printf("\nconst u8 __attribute__((aligned(256)))\n"

		"raid6_gfexp[256] =\n"

		"{\n");

	       "raid6_gfexp[256] =\n" "{\n");

	for (i = 0; i < 256; i += 8) {

		printf("\t");

		for (j = 0; j < 8; j++) {

			exptbl[i + j] = v;

			printf("0x%02x, ", v);

			printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');

			v = gfmul(v, 2);

			if (v == 1)

				v = 0;	/* For entry 255, not a real entry */

		}

		printf("\n");

	}

	printf("};\n");



	/* Compute inverse table x^-1 == x^254 */

	printf("\nconst u8 __attribute__((aligned(256)))\n"

		"raid6_gfinv[256] =\n"

		"{\n");

	       "raid6_gfinv[256] =\n" "{\n");

	for (i = 0; i < 256; i += 8) {

		printf("\t");

		for (j = 0; j < 8; j++) {

			v = gfpow(i+j, 254);

			invtbl[i+j] = v;

			printf("0x%02x, ", v);

			invtbl[i + j] = v = gfpow(i + j, 254);

			printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');

		}

		printf("\n");

	}

	printf("};\n");



	/* Compute inv(2^x + 1) (exponent-xor-inverse) table */

	printf("\nconst u8 __attribute__((aligned(256)))\n"

		"raid6_gfexi[256] =\n"

		"{\n");

	       "raid6_gfexi[256] =\n" "{\n");

	for (i = 0; i < 256; i += 8) {

		printf("\t");

		for (j = 0; j < 8; j++)

			printf("0x%02x, ", invtbl[exptbl[i+j]^1]);

		printf("\n");

			printf("0x%02x,%c", invtbl[exptbl[i + j] ^ 1],

			       (j == 7) ? '\n' : ' ');

	}

	printf("};\n\n");

	printf("};\n");



	return 0;

}