diff options
Diffstat (limited to 'drivers/md/raid6test')
| -rw-r--r-- | drivers/md/raid6test/Makefile | 75 | ||||
| -rw-r--r-- | drivers/md/raid6test/test.c | 103 |
2 files changed, 0 insertions, 178 deletions
diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile deleted file mode 100644 index 78e0396adf2..00000000000 --- a/drivers/md/raid6test/Makefile +++ /dev/null @@ -1,75 +0,0 @@ -# -# This is a simple Makefile to test some of the RAID-6 code -# from userspace. -# - -CC = gcc -OPTFLAGS = -O2 # Adjust as desired -CFLAGS = -I.. -g $(OPTFLAGS) -LD = ld -PERL = perl -AR = ar -RANLIB = ranlib - -.c.o: - $(CC) $(CFLAGS) -c -o $@ $< - -%.c: ../%.c - cp -f $< $@ - -%.uc: ../%.uc - cp -f $< $@ - -all: raid6.a raid6test - -raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \ - raid6int32.o \ - raid6mmx.o raid6sse1.o raid6sse2.o \ - raid6altivec1.o raid6altivec2.o raid6altivec4.o raid6altivec8.o \ - raid6recov.o raid6algos.o \ - raid6tables.o - rm -f $@ - $(AR) cq $@ $^ - $(RANLIB) $@ - -raid6test: test.c raid6.a - $(CC) $(CFLAGS) -o raid6test $^ - -raid6altivec1.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6altivec.uc > $@ - -raid6altivec2.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6altivec.uc > $@ - -raid6altivec4.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6altivec.uc > $@ - -raid6altivec8.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6altivec.uc > $@ - -raid6int1.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6int.uc > $@ - -raid6int2.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6int.uc > $@ - -raid6int4.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6int.uc > $@ - -raid6int8.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6int.uc > $@ - -raid6int16.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 16 < raid6int.uc > $@ - -raid6int32.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 32 < raid6int.uc > $@ - -raid6tables.c: mktables - ./mktables > raid6tables.c - -clean: - rm -f *.o *.a mktables mktables.c raid6int.uc raid6*.c raid6test - -spotless: clean - rm -f *~ diff --git a/drivers/md/raid6test/test.c b/drivers/md/raid6test/test.c deleted file mode 100644 index 0d5cd57accd..00000000000 --- a/drivers/md/raid6test/test.c +++ /dev/null @@ -1,103 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 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. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6test.c - * - * Test RAID-6 recovery with various algorithms - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "raid6.h" - -#define NDISKS 16 /* Including P and Q */ - -const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256))); -struct raid6_calls raid6_call; - -char *dataptrs[NDISKS]; -char data[NDISKS][PAGE_SIZE]; -char recovi[PAGE_SIZE], recovj[PAGE_SIZE]; - -void makedata(void) -{ - int i, j; - - for ( i = 0 ; i < NDISKS ; i++ ) { - for ( j = 0 ; j < PAGE_SIZE ; j++ ) { - data[i][j] = rand(); - } - dataptrs[i] = data[i]; - } -} - -int main(int argc, char *argv[]) -{ - const struct raid6_calls * const * algo; - int i, j; - int erra, errb; - - makedata(); - - for ( algo = raid6_algos ; *algo ; algo++ ) { - if ( !(*algo)->valid || (*algo)->valid() ) { - raid6_call = **algo; - - /* Nuke syndromes */ - memset(data[NDISKS-2], 0xee, 2*PAGE_SIZE); - - /* Generate assumed good syndrome */ - raid6_call.gen_syndrome(NDISKS, PAGE_SIZE, (void **)&dataptrs); - - for ( i = 0 ; i < NDISKS-1 ; i++ ) { - for ( j = i+1 ; j < NDISKS ; j++ ) { - memset(recovi, 0xf0, PAGE_SIZE); - memset(recovj, 0xba, PAGE_SIZE); - - dataptrs[i] = recovi; - dataptrs[j] = recovj; - - raid6_dual_recov(NDISKS, PAGE_SIZE, i, j, (void **)&dataptrs); - - erra = memcmp(data[i], recovi, PAGE_SIZE); - errb = memcmp(data[j], recovj, PAGE_SIZE); - - if ( i < NDISKS-2 && j == NDISKS-1 ) { - /* We don't implement the DQ failure scenario, since it's - equivalent to a RAID-5 failure (XOR, then recompute Q) */ - } else { - printf("algo=%-8s faila=%3d(%c) failb=%3d(%c) %s\n", - raid6_call.name, - i, (i==NDISKS-2)?'P':'D', - j, (j==NDISKS-1)?'Q':(j==NDISKS-2)?'P':'D', - (!erra && !errb) ? "OK" : - !erra ? "ERRB" : - !errb ? "ERRA" : - "ERRAB"); - } - - dataptrs[i] = data[i]; - dataptrs[j] = data[j]; - } - } - } - printf("\n"); - } - - printf("\n"); - /* Pick the best algorithm test */ - raid6_select_algo(); - - return 0; -} |