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-rw-r--r--lib/raid6/test/.gitignore3
-rw-r--r--lib/raid6/test/Makefile109
-rw-r--r--lib/raid6/test/test.c64
3 files changed, 129 insertions, 47 deletions
diff --git a/lib/raid6/test/.gitignore b/lib/raid6/test/.gitignore
new file mode 100644
index 000000000000..1b68a77f348f
--- /dev/null
+++ b/lib/raid6/test/.gitignore
@@ -0,0 +1,3 @@
+/int.uc
+/neon.uc
+/raid6test
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 087332dbf8aa..09bbe2b14cce 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -1,16 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
#
# 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 -f
-AR = ar
-RANLIB = ranlib
-OBJS = int1.o int2.o int4.o int8.o int16.o int32.o recov.o algos.o tables.o
+pound := \#
+
+# Adjust as desired
+CC = gcc
+OPTFLAGS = -O2
+CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS)
+LD = ld
+AWK = awk -f
+AR = ar
+RANLIB = ranlib
+OBJS = int1.o int2.o int4.o int8.o int16.o int32.o recov.o algos.o tables.o
ARCH := $(shell uname -m 2>/dev/null | sed -e /s/i.86/i386/)
ifeq ($(ARCH),i386)
@@ -22,18 +26,51 @@ ifeq ($(ARCH),x86_64)
IS_X86 = yes
endif
+ifeq ($(ARCH),arm)
+ CFLAGS += -I../../../arch/arm/include -mfpu=neon
+ HAS_NEON = yes
+endif
+ifeq ($(ARCH),aarch64)
+ CFLAGS += -I../../../arch/arm64/include
+ HAS_NEON = yes
+endif
+
+ifeq ($(findstring riscv,$(ARCH)),riscv)
+ CFLAGS += -I../../../arch/riscv/include -DCONFIG_RISCV=1
+ HAS_RVV = yes
+endif
+
+ifeq ($(findstring ppc,$(ARCH)),ppc)
+ CFLAGS += -I../../../arch/powerpc/include
+ HAS_ALTIVEC := $(shell printf '$(pound)include <altivec.h>\nvector int a;\n' |\
+ gcc -c -x c - >/dev/null && rm ./-.o && echo yes)
+endif
+
+ifeq ($(ARCH),loongarch64)
+ CFLAGS += -I../../../arch/loongarch/include -DCONFIG_LOONGARCH=1
+ CFLAGS += $(shell echo 'vld $$vr0, $$zero, 0' | \
+ gcc -c -x assembler - >/dev/null 2>&1 && \
+ rm ./-.o && echo -DCONFIG_CPU_HAS_LSX=1)
+ CFLAGS += $(shell echo 'xvld $$xr0, $$zero, 0' | \
+ gcc -c -x assembler - >/dev/null 2>&1 && \
+ rm ./-.o && echo -DCONFIG_CPU_HAS_LASX=1)
+endif
+
ifeq ($(IS_X86),yes)
- OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o
- CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1" | \
- gcc -c -x assembler - >&/dev/null && \
- rm ./-.o && echo -DCONFIG_AS_AVX2=1)
-else
- HAS_ALTIVEC := $(shell echo -e '\#include <altivec.h>\nvector int a;' |\
- gcc -c -x c - >&/dev/null && \
- rm ./-.o && echo yes)
- ifeq ($(HAS_ALTIVEC),yes)
- OBJS += altivec1.o altivec2.o altivec4.o altivec8.o
- endif
+ OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
+ CFLAGS += -DCONFIG_X86
+else ifeq ($(HAS_NEON),yes)
+ OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
+ CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
+else ifeq ($(HAS_ALTIVEC),yes)
+ CFLAGS += -DCONFIG_ALTIVEC
+ OBJS += altivec1.o altivec2.o altivec4.o altivec8.o \
+ vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
+else ifeq ($(ARCH),loongarch64)
+ OBJS += loongarch_simd.o recov_loongarch_simd.o
+else ifeq ($(HAS_RVV),yes)
+ OBJS += rvv.o recov_rvv.o
+ CFLAGS += -DCONFIG_RISCV_ISA_V=1
endif
.c.o:
@@ -45,16 +82,28 @@ endif
%.uc: ../%.uc
cp -f $< $@
-all: raid6.a raid6test
+all: raid6.a raid6test
raid6.a: $(OBJS)
- rm -f $@
- $(AR) cq $@ $^
- $(RANLIB) $@
+ rm -f $@
+ $(AR) cq $@ $^
+ $(RANLIB) $@
raid6test: test.c raid6.a
$(CC) $(CFLAGS) -o raid6test $^
+neon1.c: neon.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=1 < neon.uc > $@
+
+neon2.c: neon.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=2 < neon.uc > $@
+
+neon4.c: neon.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=4 < neon.uc > $@
+
+neon8.c: neon.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=8 < neon.uc > $@
+
altivec1.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=1 < altivec.uc > $@
@@ -67,6 +116,18 @@ altivec4.c: altivec.uc ../unroll.awk
altivec8.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=8 < altivec.uc > $@
+vpermxor1.c: vpermxor.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=1 < vpermxor.uc > $@
+
+vpermxor2.c: vpermxor.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=2 < vpermxor.uc > $@
+
+vpermxor4.c: vpermxor.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=4 < vpermxor.uc > $@
+
+vpermxor8.c: vpermxor.uc ../unroll.awk
+ $(AWK) ../unroll.awk -vN=8 < vpermxor.uc > $@
+
int1.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=1 < int.uc > $@
@@ -89,7 +150,7 @@ tables.c: mktables
./mktables > tables.c
clean:
- rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c tables.c raid6test
+ rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c vpermxor*.c neon*.c tables.c raid6test
spotless: clean
rm -f *~
diff --git a/lib/raid6/test/test.c b/lib/raid6/test/test.c
index 5a485b7a7d3c..841a55242aba 100644
--- a/lib/raid6/test/test.c
+++ b/lib/raid6/test/test.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* -*- 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.
- *
* ----------------------------------------------------------------------- */
/*
@@ -21,18 +18,18 @@
#define NDISKS 16 /* Including P and Q */
-const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256)));
-struct raid6_calls raid6_call;
+const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
char *dataptrs[NDISKS];
-char data[NDISKS][PAGE_SIZE];
-char recovi[PAGE_SIZE], recovj[PAGE_SIZE];
+char data[NDISKS][PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
+char recovi[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
+char recovj[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
-static void makedata(void)
+static void makedata(int start, int stop)
{
int i, j;
- for (i = 0; i < NDISKS; i++) {
+ for (i = start; i <= stop; i++) {
for (j = 0; j < PAGE_SIZE; j++)
data[i][j] = rand();
@@ -91,34 +88,55 @@ int main(int argc, char *argv[])
{
const struct raid6_calls *const *algo;
const struct raid6_recov_calls *const *ra;
- int i, j;
+ int i, j, p1, p2;
int err = 0;
- makedata();
+ makedata(0, NDISKS-1);
for (ra = raid6_recov_algos; *ra; ra++) {
if ((*ra)->valid && !(*ra)->valid())
continue;
+
raid6_2data_recov = (*ra)->data2;
raid6_datap_recov = (*ra)->datap;
printf("using recovery %s\n", (*ra)->name);
for (algo = raid6_algos; *algo; algo++) {
- if (!(*algo)->valid || (*algo)->valid()) {
- raid6_call = **algo;
+ if ((*algo)->valid && !(*algo)->valid())
+ continue;
+
+ 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);
+
+ if (!raid6_call.xor_syndrome)
+ continue;
+
+ for (p1 = 0; p1 < NDISKS-2; p1++)
+ for (p2 = p1; p2 < NDISKS-2; p2++) {
- /* Nuke syndromes */
- memset(data[NDISKS-2], 0xee, 2*PAGE_SIZE);
+ /* Simulate rmw run */
+ raid6_call.xor_syndrome(NDISKS, p1, p2, PAGE_SIZE,
+ (void **)&dataptrs);
+ makedata(p1, p2);
+ raid6_call.xor_syndrome(NDISKS, p1, p2, PAGE_SIZE,
+ (void **)&dataptrs);
- /* 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);
+ }
- for (i = 0; i < NDISKS-1; i++)
- for (j = i+1; j < NDISKS; j++)
- err += test_disks(i, j);
- }
}
printf("\n");
}
generated by cgit (git 2.34.1) at 2025-12-22 00:50:19 +0000