Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 280 insertions, 0 deletions

diff --git a/src/isa-l/raid/xor_check_test.c b/src/isa-l/raid/xor_check_test.c
new file mode 100644
index 000000000..c7532076f
--- /dev/null
+++ b/src/isa-l/raid/xor_check_test.c
@@ -0,0 +1,280 @@
+/**********************************************************************
+  Copyright(c) 2011-2015 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#include<stdio.h>
+#include<stdint.h>
+#include<string.h>
+#include<stdlib.h>
+#include "raid.h"
+#include "types.h"
+
+#define TEST_SOURCES 16
+#define TEST_LEN     1024
+#define TEST_MEM ((TEST_SOURCES + 1)*(TEST_LEN))
+#ifndef TEST_SEED
+# define TEST_SEED 0x1234
+#endif
+
+// Generates pseudo-random data
+
+void rand_buffer(unsigned char *buf, long buffer_size)
+{
+	long i;
+	for (i = 0; i < buffer_size; i++)
+		buf[i] = rand();
+}
+
+int main(int argc, char *argv[])
+{
+	int i, j, k, ret, fail = 0;
+	void *buffs[TEST_SOURCES + 1];
+	char c;
+	int serr, lerr;
+	char *tmp_buf[TEST_SOURCES + 1];
+
+	printf("Test xor_check_test %d sources X %d bytes\n", TEST_SOURCES, TEST_LEN);
+
+	srand(TEST_SEED);
+
+	// Allocate the arrays
+	for (i = 0; i < TEST_SOURCES + 1; i++) {
+		void *buf;
+		if (posix_memalign(&buf, 16, TEST_LEN)) {
+			printf("alloc error: Fail");
+			return 1;
+		}
+		buffs[i] = buf;
+	}
+
+	// Test of all zeros
+	for (i = 0; i < TEST_SOURCES + 1; i++)
+		memset(buffs[i], 0, TEST_LEN);
+
+	xor_gen_base(TEST_SOURCES + 1, TEST_LEN, buffs);
+	ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+	if (ret != 0) {
+		fail++;
+		printf("\nfail zero test %d\n", ret);
+	}
+
+	((char *)(buffs[0]))[TEST_LEN - 2] = 0x7;	// corrupt buffer
+	ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+	if (ret == 0) {
+		fail++;
+		printf("\nfail corrupt buffer test %d\n", ret);
+	}
+	((char *)(buffs[0]))[TEST_LEN - 2] = 0;	// un-corrupt buffer
+
+	// Test corrupted buffer any location on all sources
+	for (j = 0; j < TEST_SOURCES + 1; j++) {
+		for (i = TEST_LEN - 1; i >= 0; i--) {
+			((char *)buffs[j])[i] = 0x5;	// corrupt buffer
+			ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+			if (ret == 0) {
+				fail++;
+				printf("\nfail corrupt buffer test j=%d, i=%d\n", j, i);
+				return 1;
+			}
+			((char *)buffs[j])[i] = 0;	// un-corrupt buffer
+		}
+		putchar('.');
+	}
+
+	// Test rand1
+	for (i = 0; i < TEST_SOURCES + 1; i++)
+		rand_buffer(buffs[i], TEST_LEN);
+
+	xor_gen_base(TEST_SOURCES + 1, TEST_LEN, buffs);
+	ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+	if (ret != 0) {
+		fail++;
+		printf("fail first rand test %d\n", ret);
+	}
+
+	c = ((char *)(buffs[0]))[TEST_LEN - 2];
+	((char *)(buffs[0]))[TEST_LEN - 2] = c ^ 0x1;
+	ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+	if (ret == 0) {
+		fail++;
+		printf("\nFail corrupt buffer test, passed when should have failed\n");
+	}
+	((char *)(buffs[0]))[TEST_LEN - 2] = c;	// un-corrupt buffer
+
+	// Test corrupted buffer any location on all sources w/ random data
+	for (j = 0; j < TEST_SOURCES + 1; j++) {
+		for (i = TEST_LEN - 1; i >= 0; i--) {
+			// Check it still passes
+			ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+			if (ret != 0) {	// should pass
+				fail++;
+				printf
+				    ("\nFail rand test with un-corrupted buffer j=%d, i=%d\n",
+				     j, i);
+				return 1;
+			}
+			c = ((char *)buffs[j])[i];
+			((char *)buffs[j])[i] = c ^ 1;	// corrupt buffer
+			ret = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+			if (ret == 0) {	// Check it now fails
+				fail++;
+				printf("\nfail corrupt buffer test j=%d, i=%d\n", j, i);
+				return 1;
+			}
+			((char *)buffs[j])[i] = c;	// un-corrupt buffer
+		}
+		putchar('.');
+	}
+
+	// Test various number of sources, full length
+	for (j = 3; j <= TEST_SOURCES + 1; j++) {
+		// New random data
+		for (i = 0; i < j; i++)
+			rand_buffer(buffs[i], TEST_LEN);
+
+		// Generate xor parity for this number of sources
+		xor_gen_base(j, TEST_LEN, buffs);
+
+		// Set errors up in each source and len position
+		for (i = 0; i < j; i++) {
+			for (k = 0; k < TEST_LEN; k++) {
+				// See if it still passes
+				ret = xor_check(j, TEST_LEN, buffs);
+				if (ret != 0) {	// Should pass
+					printf("\nfail rand test %d sources\n", j);
+					fail++;
+					return 1;
+				}
+
+				c = ((char *)buffs[i])[k];
+				((char *)buffs[i])[k] = c ^ 1;	// corrupt buffer
+
+				ret = xor_check(j, TEST_LEN, buffs);
+				if (ret == 0) {	// Should fail
+					printf
+					    ("\nfail rand test corrupted buffer %d sources\n",
+					     j);
+					fail++;
+					return 1;
+				}
+				((char *)buffs[i])[k] = c;	// un-corrupt buffer
+			}
+		}
+		putchar('.');
+	}
+
+	fflush(0);
+
+	// Test various number of sources and len
+	k = 1;
+	while (k <= TEST_LEN) {
+		for (j = 3; j <= TEST_SOURCES + 1; j++) {
+			for (i = 0; i < j; i++)
+				rand_buffer(buffs[i], k);
+
+			// Generate xor parity for this number of sources
+			xor_gen_base(j, k, buffs);
+
+			// Inject errors at various source and len positions
+			for (lerr = 0; lerr < k; lerr += 10) {
+				for (serr = 0; serr < j; serr++) {
+
+					// See if it still passes
+					ret = xor_check(j, k, buffs);
+					if (ret != 0) {	// Should pass
+						printf("\nfail rand test %d sources\n", j);
+						fail++;
+						return 1;
+					}
+
+					c = ((char *)buffs[serr])[lerr];
+					((char *)buffs[serr])[lerr] = c ^ 1;	// corrupt buffer
+
+					ret = xor_check(j, k, buffs);
+					if (ret == 0) {	// Should fail
+						printf("\nfail rand test corrupted buffer "
+						       "%d sources, len=%d, ret=%d\n", j, k,
+						       ret);
+						fail++;
+						return 1;
+					}
+					((char *)buffs[serr])[lerr] = c;	// un-corrupt buffer
+				}
+			}
+		}
+		putchar('.');
+		fflush(0);
+		k += 1;
+	}
+
+	// Test at the end of buffer
+	for (i = 0; i < TEST_LEN; i += 32) {
+		for (j = 0; j < TEST_SOURCES + 1; j++) {
+			rand_buffer(buffs[j], TEST_LEN - i);
+			tmp_buf[j] = (char *)buffs[j] + i;
+		}
+
+		xor_gen_base(TEST_SOURCES + 1, TEST_LEN - i, (void *)tmp_buf);
+
+		// Test good data
+		ret = xor_check(TEST_SOURCES + 1, TEST_LEN - i, (void *)tmp_buf);
+		if (ret != 0) {
+			printf("fail end test - offset: %d, len: %d\n", i, TEST_LEN - i);
+			fail++;
+			return 1;
+		}
+		// Test bad data
+		for (serr = 0; serr < TEST_SOURCES + 1; serr++) {
+			for (lerr = 0; lerr < (TEST_LEN - i); lerr++) {
+				c = tmp_buf[serr][lerr];
+				tmp_buf[serr][lerr] = c ^ 1;
+
+				ret =
+				    xor_check(TEST_SOURCES + 1, TEST_LEN - i, (void *)tmp_buf);
+				if (ret == 0) {
+					printf("fail end test corrupted buffer - "
+					       "offset: %d, len: %d, ret: %d\n", i,
+					       TEST_LEN - i, ret);
+					fail++;
+					return 1;
+				}
+
+				tmp_buf[serr][lerr] = c;
+			}
+		}
+
+		putchar('.');
+		fflush(0);
+	}
+
+	if (fail == 0)
+		printf("Pass\n");
+
+	return fail;
+
+}