summaryrefslogtreecommitdiffstats
path: root/drivers/md/raid6test
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md/raid6test')
-rw-r--r--drivers/md/raid6test/Makefile75
-rw-r--r--drivers/md/raid6test/test.c124
2 files changed, 0 insertions, 199 deletions
diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile
deleted file mode 100644
index 2874cbef529..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.. -I ../../../include -g $(OPTFLAGS)
-LD = ld
-AWK = awk
-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.awk
- $(AWK) ../unroll.awk -vN=1 < raid6altivec.uc > $@
-
-raid6altivec2.c: raid6altivec.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=2 < raid6altivec.uc > $@
-
-raid6altivec4.c: raid6altivec.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=4 < raid6altivec.uc > $@
-
-raid6altivec8.c: raid6altivec.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=8 < raid6altivec.uc > $@
-
-raid6int1.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=1 < raid6int.uc > $@
-
-raid6int2.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=2 < raid6int.uc > $@
-
-raid6int4.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=4 < raid6int.uc > $@
-
-raid6int8.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=8 < raid6int.uc > $@
-
-raid6int16.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=16 < raid6int.uc > $@
-
-raid6int32.c: raid6int.uc ../unroll.awk
- $(AWK) ../unroll.awk -vN=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 7a930318b17..00000000000
--- a/drivers/md/raid6test/test.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- * Copyright 2002-2007 H. Peter Anvin - All Rights Reserved
- *
- * 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.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * raid6test.c
- *
- * Test RAID-6 recovery with various algorithms
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <linux/raid/pq.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];
-
-static 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];
- }
-}
-
-static char disk_type(int d)
-{
- switch (d) {
- case NDISKS-2:
- return 'P';
- case NDISKS-1:
- return 'Q';
- default:
- return 'D';
- }
-}
-
-static int test_disks(int i, int j)
-{
- int erra, errb;
-
- 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) */
- erra = errb = 0;
- } else {
- printf("algo=%-8s faila=%3d(%c) failb=%3d(%c) %s\n",
- raid6_call.name,
- i, disk_type(i),
- j, disk_type(j),
- (!erra && !errb) ? "OK" :
- !erra ? "ERRB" :
- !errb ? "ERRA" : "ERRAB");
- }
-
- dataptrs[i] = data[i];
- dataptrs[j] = data[j];
-
- return erra || errb;
-}
-
-int main(int argc, char *argv[])
-{
- const struct raid6_calls *const *algo;
- int i, j;
- int err = 0;
-
- 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++)
- err += test_disks(i, j);
- }
- printf("\n");
- }
-
- printf("\n");
- /* Pick the best algorithm test */
- raid6_select_algo();
-
- if (err)
- printf("\n*** ERRORS FOUND ***\n");
-
- return err;
-}