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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/isa-l/crc/crc32_funcs_test.c
parentInitial commit. (diff)
downloadceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz
ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/isa-l/crc/crc32_funcs_test.c')
-rw-r--r--src/isa-l/crc/crc32_funcs_test.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc32_funcs_test.c b/src/isa-l/crc/crc32_funcs_test.c
new file mode 100644
index 000000000..e28da4018
--- /dev/null
+++ b/src/isa-l/crc/crc32_funcs_test.c
@@ -0,0 +1,324 @@
+/**********************************************************************
+ Copyright(c) 2011-2018 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 <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include "crc.h"
+#include "types.h"
+#include "crc_ref.h"
+
+#ifndef TEST_SEED
+# define TEST_SEED 0x1234
+#endif
+
+#define MAX_BUF 4096
+#define TEST_SIZE 32
+
+typedef uint32_t(*crc32_func_t) (uint32_t, const uint8_t *, uint64_t);
+typedef uint32_t(*crc32_func_t_base) (uint32_t, uint8_t *, uint64_t);
+typedef uint32_t(*crc32_func_t_ref) (uint32_t, uint8_t *, uint64_t);
+
+typedef struct func_case {
+ char *note;
+ crc32_func_t crc32_func_call;
+ crc32_func_t_base crc32_base_call;
+ crc32_func_t_ref crc32_ref_call;
+} func_case_t;
+
+uint32_t crc32_iscsi_wrap(uint32_t seed, const uint8_t * buf, uint64_t len)
+{
+ return crc32_iscsi((uint8_t *) buf, len, seed);
+}
+
+uint32_t crc32_iscsi_base_wrap(uint32_t seed, uint8_t * buf, uint64_t len)
+{
+ return crc32_iscsi_base(buf, len, seed);
+}
+
+uint32_t crc32_iscsi_ref_wrap(uint32_t seed, uint8_t * buf, uint64_t len)
+{
+ return crc32_iscsi_ref(buf, len, seed);
+}
+
+func_case_t test_funcs[] = {
+ {"crc32_ieee", crc32_ieee, crc32_ieee_base, crc32_ieee_ref}
+ ,
+ {"crc32_gzip_refl", crc32_gzip_refl, crc32_gzip_refl_base, crc32_gzip_refl_ref}
+ ,
+ {"crc32_iscsi", crc32_iscsi_wrap, crc32_iscsi_base_wrap, crc32_iscsi_ref_wrap}
+};
+
+// 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();
+}
+
+// Test cases
+int zeros_test(func_case_t * test_func);
+
+int simple_pattern_test(func_case_t * test_func);
+
+int seeds_sizes_test(func_case_t * test_func);
+
+int eob_test(func_case_t * test_func);
+
+int update_test(func_case_t * test_func);
+
+int verbose = 0;
+void *buf_alloc = NULL;
+
+int main(int argc, char *argv[])
+{
+ int fail = 0, fail_case;
+ int i, ret;
+ func_case_t *test_func;
+
+ verbose = argc - 1;
+
+ // Align to TEST_SIZE boundary
+ ret = posix_memalign(&buf_alloc, TEST_SIZE, MAX_BUF * TEST_SIZE);
+ if (ret) {
+ printf("alloc error: Fail");
+ return -1;
+ }
+ srand(TEST_SEED);
+ printf("CRC32 Tests\n");
+
+ for (i = 0; i < sizeof(test_funcs) / sizeof(test_funcs[0]); i++) {
+ fail_case = 0;
+ test_func = &test_funcs[i];
+
+ printf("Test %s\t", test_func->note);
+ fail_case += zeros_test(test_func);
+ fail_case += simple_pattern_test(test_func);
+ fail_case += seeds_sizes_test(test_func);
+ fail_case += eob_test(test_func);
+ fail_case += update_test(test_func);
+ printf(" done: %s\n", fail_case ? "Fail" : "Pass");
+
+ if (fail_case) {
+ printf("\n%s Failed %d tests\n", test_func->note, fail_case);
+ fail++;
+ }
+ }
+
+ printf("CRC32 Tests all done: %s\n", fail ? "Fail" : "Pass");
+
+ return fail;
+}
+
+// Test of all zeros
+int zeros_test(func_case_t * test_func)
+{
+ uint32_t crc_ref, crc_base, crc;
+ int fail = 0;
+ unsigned char *buf = NULL;
+
+ buf = (unsigned char *)buf_alloc;
+ memset(buf, 0, MAX_BUF * 10);
+ crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF * 10);
+ crc_base = test_func->crc32_base_call(TEST_SEED, buf, MAX_BUF * 10);
+ crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF * 10);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref)) {
+ fail++;
+ printf("\n opt ref\n");
+ printf(" ------ ------\n");
+ printf("crc zero = 0x%8x 0x%8x 0x%8x\n", crc_ref, crc_base, crc);
+ } else
+ printf(".");
+
+ return fail;
+}
+
+// Another simple test pattern
+int simple_pattern_test(func_case_t * test_func)
+{
+ uint32_t crc_ref, crc_base, crc;
+ int fail = 0;
+ unsigned char *buf = NULL;
+
+ buf = (unsigned char *)buf_alloc;
+ memset(buf, 0x8a, MAX_BUF);
+ crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF);
+ crc_base = test_func->crc32_base_call(TEST_SEED, buf, MAX_BUF);
+ crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref))
+ fail++;
+ if (verbose)
+ printf("crc all 8a = 0x%8x 0x%8x 0x%8x\n", crc_ref, crc_base, crc);
+ else
+ printf(".");
+
+ return fail;
+}
+
+int seeds_sizes_test(func_case_t * test_func)
+{
+ uint32_t crc_ref, crc_base, crc;
+ int fail = 0;
+ int i;
+ uint64_t r, s;
+ unsigned char *buf = NULL;
+
+ // Do a few random tests
+ buf = (unsigned char *)buf_alloc; //reset buf
+ r = rand();
+ rand_buffer(buf, MAX_BUF * TEST_SIZE);
+
+ for (i = 0; i < TEST_SIZE; i++) {
+ crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
+ crc_base = test_func->crc32_base_call(r, buf, MAX_BUF);
+ crc = test_func->crc32_func_call(r, buf, MAX_BUF);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref))
+ fail++;
+ if (verbose)
+ printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base, crc);
+ else if (i % (TEST_SIZE / 8) == 0)
+ printf(".");
+ buf += MAX_BUF;
+ }
+
+ // Do a few random sizes
+ buf = (unsigned char *)buf_alloc; //reset buf
+ r = rand();
+
+ for (i = MAX_BUF; i >= 0; i--) {
+ crc_ref = test_func->crc32_ref_call(r, buf, i);
+ crc_base = test_func->crc32_base_call(r, buf, i);
+ crc = test_func->crc32_func_call(r, buf, i);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref)) {
+ fail++;
+ printf("fail random size%i 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base,
+ crc);
+ } else if (i % (MAX_BUF / 8) == 0)
+ printf(".");
+ }
+
+ // Try different seeds
+ for (s = 0; s < 20; s++) {
+ buf = (unsigned char *)buf_alloc; //reset buf
+
+ r = rand(); // just to get a new seed
+ rand_buffer(buf, MAX_BUF * TEST_SIZE); // new pseudo-rand data
+
+ if (verbose)
+ printf("seed = 0x%lx\n", r);
+
+ for (i = 0; i < TEST_SIZE; i++) {
+ crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
+ crc_base = test_func->crc32_base_call(r, buf, MAX_BUF);
+ crc = test_func->crc32_func_call(r, buf, MAX_BUF);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref))
+ fail++;
+ if (verbose)
+ printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref,
+ crc_base, crc);
+ else if (i % (TEST_SIZE * 20 / 8) == 0)
+ printf(".");
+ buf += MAX_BUF;
+ }
+ }
+
+ return fail;
+}
+
+// Run tests at end of buffer
+int eob_test(func_case_t * test_func)
+{
+ uint32_t crc_ref, crc_base, crc;
+ int fail = 0;
+ int i;
+ unsigned char *buf = NULL;
+
+ // Null test
+ if (0 != test_func->crc32_func_call(0, NULL, 0)) {
+ fail++;
+ printf("crc null test fail\n");
+ }
+
+ buf = (unsigned char *)buf_alloc; //reset buf
+ buf = buf + ((MAX_BUF - 1) * TEST_SIZE); //Line up TEST_SIZE from end
+ for (i = 0; i <= TEST_SIZE; i++) {
+ crc_ref = test_func->crc32_ref_call(TEST_SEED, buf + i, TEST_SIZE - i);
+ crc_base = test_func->crc32_base_call(TEST_SEED, buf + i, TEST_SIZE - i);
+ crc = test_func->crc32_func_call(TEST_SEED, buf + i, TEST_SIZE - i);
+
+ if ((crc_base != crc_ref) || (crc != crc_ref))
+ fail++;
+ if (verbose)
+ printf("crc eob rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base,
+ crc);
+ else if (i % (TEST_SIZE / 8) == 0)
+ printf(".");
+ }
+
+ return fail;
+}
+
+int update_test(func_case_t * test_func)
+{
+ uint32_t crc_ref, crc_base, crc;
+ int fail = 0;
+ int i;
+ uint64_t r;
+ unsigned char *buf = NULL;
+
+ buf = (unsigned char *)buf_alloc; //reset buf
+ r = rand();
+ // Process the whole buf with reference func single call.
+ crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF * TEST_SIZE);
+ crc_base = test_func->crc32_base_call(r, buf, MAX_BUF * TEST_SIZE);
+ // Process buf with update method.
+ for (i = 0; i < TEST_SIZE; i++) {
+ crc = test_func->crc32_func_call(r, buf, MAX_BUF);
+ // Update crc seeds and buf pointer.
+ r = crc;
+ buf += MAX_BUF;
+ }
+
+ if ((crc_base != crc_ref) || (crc != crc_ref))
+ fail++;
+ if (verbose)
+ printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base, crc);
+ else
+ printf(".");
+
+ return fail;
+}