Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

[firefly-linux-kernel-4.4.55.git] / lib / raid6 / mktables.c

diff --git a/lib/raid6/mktables.c b/lib/raid6/mktables.c
index 8a3780902cec8ca4141a3646169a341be2b3c7a8..39787db588b00321f91350876676f4cc4cf2ccf3 100644 (file)
--- a/lib/raid6/mktables.c
+++ b/lib/raid6/mktables.c
@@ -81,6 +81,31 @@ int main(int argc, char *argv[])
        printf("EXPORT_SYMBOL(raid6_gfmul);\n");
        printf("#endif\n");
 
+       /* Compute vector multiplication table */
+       printf("\nconst u8  __attribute__((aligned(256)))\n"
+               "raid6_vgfmul[256][32] =\n"
+               "{\n");
+       for (i = 0; i < 256; i++) {
+               printf("\t{\n");
+               for (j = 0; j < 16; j += 8) {
+                       printf("\t\t");
+                       for (k = 0; k < 8; k++)
+                               printf("0x%02x,%c", gfmul(i, j + k),
+                                      (k == 7) ? '\n' : ' ');
+               }
+               for (j = 0; j < 16; j += 8) {
+                       printf("\t\t");
+                       for (k = 0; k < 8; k++)
+                               printf("0x%02x,%c", gfmul(i, (j + k) << 4),
+                                      (k == 7) ? '\n' : ' ');
+               }
+               printf("\t},\n");
+       }
+       printf("};\n");
+       printf("#ifdef __KERNEL__\n");
+       printf("EXPORT_SYMBOL(raid6_vgfmul);\n");
+       printf("#endif\n");
+
        /* Compute power-of-2 table (exponent) */
        v = 1;
        printf("\nconst u8 __attribute__((aligned(256)))\n"