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authorJim Kukunas <james.t.kukunas@linux.intel.com>2012-05-22 13:54:23 +1000
committerNeilBrown <neilb@suse.de>2012-05-22 13:54:23 +1000
commit2dbf708448c836754d25fe6108c5bfe1f5697c95 (patch)
treee66440e324014436704192e8a8f6549b8637fd03 /lib/raid6
parent048a8b8c89dc427dd7a58527c8923224b1e66d83 (diff)
lib/raid6: update test program for recovery functions
Test each combination of recovery and syndrome generation functions. Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'lib/raid6')
-rw-r--r--lib/raid6/test/Makefile2
-rw-r--r--lib/raid6/test/test.c32
-rw-r--r--lib/raid6/x86.h15
3 files changed, 32 insertions, 17 deletions
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index aa651697b6dc..c76151d94764 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -23,7 +23,7 @@ RANLIB = ranlib
all: raid6.a raid6test
raid6.a: int1.o int2.o int4.o int8.o int16.o int32.o mmx.o sse1.o sse2.o \
- altivec1.o altivec2.o altivec4.o altivec8.o recov.o algos.o \
+ altivec1.o altivec2.o altivec4.o altivec8.o recov.o recov_ssse3.o algos.o \
tables.o
rm -f $@
$(AR) cq $@ $^
diff --git a/lib/raid6/test/test.c b/lib/raid6/test/test.c
index 7a930318b17d..5a485b7a7d3c 100644
--- a/lib/raid6/test/test.c
+++ b/lib/raid6/test/test.c
@@ -90,25 +90,35 @@ static int test_disks(int i, int j)
int main(int argc, char *argv[])
{
const struct raid6_calls *const *algo;
+ const struct raid6_recov_calls *const *ra;
int i, j;
int err = 0;
makedata();
- for (algo = raid6_algos; *algo; algo++) {
- if (!(*algo)->valid || (*algo)->valid()) {
- raid6_call = **algo;
+ for (ra = raid6_recov_algos; *ra; ra++) {
+ if ((*ra)->valid && !(*ra)->valid())
+ continue;
+ raid6_2data_recov = (*ra)->data2;
+ raid6_datap_recov = (*ra)->datap;
- /* Nuke syndromes */
- memset(data[NDISKS-2], 0xee, 2*PAGE_SIZE);
+ printf("using recovery %s\n", (*ra)->name);
- /* Generate assumed good syndrome */
- raid6_call.gen_syndrome(NDISKS, PAGE_SIZE,
- (void **)&dataptrs);
+ for (algo = raid6_algos; *algo; algo++) {
+ if (!(*algo)->valid || (*algo)->valid()) {
+ raid6_call = **algo;
- for (i = 0; i < NDISKS-1; i++)
- for (j = i+1; j < NDISKS; j++)
- err += test_disks(i, j);
+ /* 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");
}
diff --git a/lib/raid6/x86.h b/lib/raid6/x86.h
index cb2a8c91c886..d55d63232c55 100644
--- a/lib/raid6/x86.h
+++ b/lib/raid6/x86.h
@@ -35,24 +35,29 @@ static inline void kernel_fpu_end(void)
{
}
+#define __aligned(x) __attribute__((aligned(x)))
+
#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions
* (fast save and restore) */
#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
+#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */
+#define X86_FEATURE_SSSE3 (4*32+ 9) /* Supplemental SSE-3 */
+#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */
#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
/* Should work well enough on modern CPUs for testing */
static inline int boot_cpu_has(int flag)
{
- u32 eax = (flag >> 5) ? 0x80000001 : 1;
- u32 edx;
+ u32 eax = (flag & 0x20) ? 0x80000001 : 1;
+ u32 ecx, edx;
asm volatile("cpuid"
- : "+a" (eax), "=d" (edx)
- : : "ecx", "ebx");
+ : "+a" (eax), "=d" (edx), "=c" (ecx)
+ : : "ebx");
- return (edx >> (flag & 31)) & 1;
+ return ((flag & 0x80 ? ecx : edx) >> (flag & 31)) & 1;
}
#endif /* ndef __KERNEL__ */

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