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>
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@ -23,7 +23,7 @@ RANLIB = ranlib
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all: raid6.a raid6test
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all: raid6.a raid6test
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raid6.a: int1.o int2.o int4.o int8.o int16.o int32.o mmx.o sse1.o sse2.o \
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raid6.a: int1.o int2.o int4.o int8.o int16.o int32.o mmx.o sse1.o sse2.o \
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altivec1.o altivec2.o altivec4.o altivec8.o recov.o algos.o \
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altivec1.o altivec2.o altivec4.o altivec8.o recov.o recov_ssse3.o algos.o \
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tables.o
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tables.o
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rm -f $@
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rm -f $@
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$(AR) cq $@ $^
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$(AR) cq $@ $^
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@ -90,11 +90,20 @@ static int test_disks(int i, int j)
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int main(int argc, char *argv[])
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int main(int argc, char *argv[])
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{
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{
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const struct raid6_calls *const *algo;
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const struct raid6_calls *const *algo;
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const struct raid6_recov_calls *const *ra;
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int i, j;
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int i, j;
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int err = 0;
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int err = 0;
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makedata();
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makedata();
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for (ra = raid6_recov_algos; *ra; ra++) {
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if ((*ra)->valid && !(*ra)->valid())
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continue;
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raid6_2data_recov = (*ra)->data2;
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raid6_datap_recov = (*ra)->datap;
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printf("using recovery %s\n", (*ra)->name);
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for (algo = raid6_algos; *algo; algo++) {
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for (algo = raid6_algos; *algo; algo++) {
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if (!(*algo)->valid || (*algo)->valid()) {
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if (!(*algo)->valid || (*algo)->valid()) {
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raid6_call = **algo;
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raid6_call = **algo;
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@ -110,6 +119,7 @@ int main(int argc, char *argv[])
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for (j = i+1; j < NDISKS; j++)
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for (j = i+1; j < NDISKS; j++)
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err += test_disks(i, j);
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err += test_disks(i, j);
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}
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}
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}
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printf("\n");
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printf("\n");
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}
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}
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@ -35,24 +35,29 @@ static inline void kernel_fpu_end(void)
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{
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{
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}
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}
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#define __aligned(x) __attribute__((aligned(x)))
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#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
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#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
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#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions
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#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions
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* (fast save and restore) */
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* (fast save and restore) */
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#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
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#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
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#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
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#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
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#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */
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#define X86_FEATURE_SSSE3 (4*32+ 9) /* Supplemental SSE-3 */
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#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */
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#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
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#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
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/* Should work well enough on modern CPUs for testing */
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/* Should work well enough on modern CPUs for testing */
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static inline int boot_cpu_has(int flag)
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static inline int boot_cpu_has(int flag)
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{
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{
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u32 eax = (flag >> 5) ? 0x80000001 : 1;
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u32 eax = (flag & 0x20) ? 0x80000001 : 1;
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u32 edx;
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u32 ecx, edx;
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asm volatile("cpuid"
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asm volatile("cpuid"
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: "+a" (eax), "=d" (edx)
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: "+a" (eax), "=d" (edx), "=c" (ecx)
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: : "ecx", "ebx");
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: : "ebx");
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return (edx >> (flag & 31)) & 1;
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return ((flag & 0x80 ? ecx : edx) >> (flag & 31)) & 1;
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}
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}
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#endif /* ndef __KERNEL__ */
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#endif /* ndef __KERNEL__ */
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