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-rw-r--r--clib/test/ecc.c220
1 files changed, 220 insertions, 0 deletions
diff --git a/clib/test/ecc.c b/clib/test/ecc.c
new file mode 100644
index 0000000..90760d7
--- /dev/null
+++ b/clib/test/ecc.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2014
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <clib/assert.h>
+#include <clib/type.h>
+#include <clib/misc.h>
+
+#include <clib/ecc.h>
+int test_sfc_ecc()
+{
+ uint64_t in[] = { 0x3131313131313131, 0x3232323232323232,
+ 0x3333333333333333, 0x3434343434343434,
+ 0x3535353535353535, 0x3636363636363636,
+ 0x3737373737373737, 0x3838383838383838,
+ 0x3132333435363738, 0x3938373635343332,
+ };
+ printf("Function: test_sfc_ecc\n");
+ printf("IN [\n");
+ for (uint i=0; i<sizeof(in); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)in)[i]);
+ }
+ printf("]\n");
+
+ uint8_t out_ecc[sizeof in + sizeof in / 8];
+ int rc = sfc_ecc_inject(out_ecc, sizeof out_ecc, in, sizeof in);
+ printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out_ecc, rc);
+
+ printf("OUT_ECC [\n");
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n");
+
+ uint8_t keep_out_ecc[sizeof in + sizeof in / 8];
+ memcpy(keep_out_ecc, out_ecc, sizeof keep_out_ecc);
+ printf("sz_in(%d) sz_keep_out(%d) sz_out(%d)\n", sizeof in, sizeof keep_out_ecc, sizeof out_ecc);
+
+ printf("KEEP_OUT_ECC [\n");
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n");
+
+
+
+ uint8_t out_no_ecc[sizeof in];
+ int myrc = sfc_ecc_remove(out_no_ecc, sizeof out_no_ecc,
+ out_ecc, sizeof out_ecc);
+ printf("ECC_STATUS:%d \n",myrc);
+ printf("OUT_NO_ECC [\n");
+ for (uint i=0; i<sizeof(out_no_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
+ }
+ printf("]\n");
+
+ for (uint x=0; x<sizeof(out_ecc);x++)
+ {
+ for (int c=0; c<8; c++)
+ {
+ out_ecc[x] ^= 1<<c;
+ printf("OUT_CORRUPTED_ECC[%d,%d] [\n",x,c);
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n");
+ myrc = sfc_ecc_remove(out_no_ecc, sizeof out_no_ecc,
+ out_ecc, sizeof out_ecc);
+ printf("ECC_STATUS:%d \n",myrc);
+ printf("OUT_NO_ECC [\n");
+ for (uint i=0; i<sizeof(out_no_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
+ }
+ printf("]\n");
+
+ printf("IN_OUT_ECC [\n");
+ for (uint i=0; i<sizeof(out_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n\n");
+ if (myrc == 0)
+ {
+ printf("For SFC Uncorrectable event\n");
+ memcpy(out_ecc, keep_out_ecc, sizeof out_ecc);
+
+ //return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+int test_p8_ecc()
+{
+ uint64_t in[] = { 0x3131313131313131, 0x3333333333333333,};
+ printf("Function: test_p8_ecc\n");
+ printf("IN [\n");
+ for (uint i=0; i<sizeof(in); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)in)[i]);
+ }
+ printf("]\n");
+
+ uint8_t out_ecc[sizeof in + sizeof in / 8];
+ int rc = p8_ecc_inject(out_ecc, sizeof out_ecc, in, sizeof in);
+ printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out_ecc, rc);
+
+ printf("OUT_ECC [\n");
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n");
+
+ uint8_t out_no_ecc[sizeof in];
+ ecc_status_t myrc = p8_ecc_remove(out_no_ecc, sizeof out_no_ecc,
+ out_ecc, sizeof out_ecc);
+ printf("ECC_STATUS:%d \n",myrc);
+ printf("OUT_NO_ECC [\n");
+ for (uint i=0; i<sizeof(out_no_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
+ }
+ printf("]\n");
+
+ for (uint x=0; x<sizeof(out_ecc);x++)
+ {
+ for (int c=0; c<8; c++)
+ {
+ out_ecc[x] ^= 1<<c;
+ printf("OUT_CORRUPTED_ECC[%d,%d] [\n",x,c);
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n");
+ myrc = p8_ecc_remove(out_no_ecc, sizeof out_no_ecc,
+ out_ecc, sizeof out_ecc);
+ printf("ECC_STATUS:%d \n",myrc);
+ printf("OUT_NO_ECC [\n");
+ for (uint i=0; i<sizeof(out_no_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
+ }
+ printf("]\n");
+
+ printf("IN_OUT_ECC [\n");
+ for (uint i=0; i<sizeof(out_ecc); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out_ecc)[i]);
+ }
+ printf("]\n\n");
+ if (myrc == UNCORRECTABLE)
+ {
+ printf("Uncorrectable event\n");
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+int main (void) {
+
+ uint64_t in[] = { 0x3131313131313131, 0x3232323232323232,
+ 0x3333333333333333, 0x3434343434343434, };
+
+ printf("IN [\n");
+ for (uint i=0; i<sizeof(in); i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)in)[i]);
+ }
+ printf("]\n");
+
+ uint8_t out[sizeof in + sizeof in / 8];
+
+ int rc = sfc_ecc_inject(out, sizeof out, in, sizeof in);
+
+ printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out, rc);
+
+ printf("OUT [\n");
+ for (int i=0; i<rc; i++) {
+ if (i && i % 8 == 0) printf(" ");
+ printf("%2.2x", ((uint8_t *)out)[i]);
+ }
+ printf("]\n\n");
+
+ sfc_ecc_dump(stdout, 0, out, rc);
+ test_sfc_ecc();
+ test_p8_ecc();
+
+ return 0;
+}
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