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Commit 2dbf7084 authored by Jim Kukunas's avatar Jim Kukunas Committed by NeilBrown
Browse files

lib/raid6: update test program for recovery functions 



Test each combination of recovery and syndrome generation
functions.

Signed-off-by: default avatarJim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 048a8b8c

lib/raid6/test/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -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 $@ $^

lib/raid6/test/test.c

+21 −11
Original line number Diff line number Diff line
@@ -90,11 +90,20 @@ 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 (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;
@@ -110,6 +119,7 @@ int main(int argc, char *argv[]) 
					for (j = i+1; j < NDISKS; j++)

						err += test_disks(i, j);

			}

		}

		printf("\n");

	}

lib/raid6/x86.h

+10 −5
Original line number Diff line number Diff line
@@ -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__ */