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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/spdk/dpdk/app/test/test_common.c
parentInitial commit. (diff)
downloadceph-upstream/16.2.11+ds.tar.xz
ceph-upstream/16.2.11+ds.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/spdk/dpdk/app/test/test_common.c')
-rw-r--r--src/spdk/dpdk/app/test/test_common.c327
1 files changed, 327 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test/test_common.c b/src/spdk/dpdk/app/test/test_common.c
new file mode 100644
index 000000000..12bd1cad9
--- /dev/null
+++ b/src/spdk/dpdk/app/test/test_common.c
@@ -0,0 +1,327 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <string.h>
+#include <math.h>
+#include <rte_common.h>
+#include <rte_hexdump.h>
+#include <rte_pause.h>
+
+#include "test.h"
+
+#define MAX_NUM 1 << 20
+
+#define FAIL(x)\
+ {printf(x "() test failed!\n");\
+ return -1;}
+
+/* this is really a sanity check */
+static int
+test_macros(int __rte_unused unused_parm)
+{
+#define SMALLER 0x1000U
+#define BIGGER 0x2000U
+#define PTR_DIFF BIGGER - SMALLER
+#define FAIL_MACRO(x)\
+ {printf(#x "() test failed!\n");\
+ return -1;}
+
+ uintptr_t unused = 0;
+
+ RTE_SET_USED(unused);
+
+ if ((uintptr_t)RTE_PTR_ADD(SMALLER, PTR_DIFF) != BIGGER)
+ FAIL_MACRO(RTE_PTR_ADD);
+ if ((uintptr_t)RTE_PTR_SUB(BIGGER, PTR_DIFF) != SMALLER)
+ FAIL_MACRO(RTE_PTR_SUB);
+ if (RTE_PTR_DIFF(BIGGER, SMALLER) != PTR_DIFF)
+ FAIL_MACRO(RTE_PTR_DIFF);
+ if (RTE_MAX(SMALLER, BIGGER) != BIGGER)
+ FAIL_MACRO(RTE_MAX);
+ if (RTE_MIN(SMALLER, BIGGER) != SMALLER)
+ FAIL_MACRO(RTE_MIN);
+
+ if (strncmp(RTE_STR(test), "test", sizeof("test")))
+ FAIL_MACRO(RTE_STR);
+
+ return 0;
+}
+
+static int
+test_bsf(void)
+{
+ uint32_t shift, pos;
+
+ /* safe versions should be able to handle 0 */
+ if (rte_bsf32_safe(0, &pos) != 0)
+ FAIL("rte_bsf32_safe");
+ if (rte_bsf64_safe(0, &pos) != 0)
+ FAIL("rte_bsf64_safe");
+
+ for (shift = 0; shift < 63; shift++) {
+ uint32_t val32;
+ uint64_t val64;
+
+ val64 = 1ULL << shift;
+ if ((uint32_t)rte_bsf64(val64) != shift)
+ FAIL("rte_bsf64");
+ if (rte_bsf64_safe(val64, &pos) != 1)
+ FAIL("rte_bsf64_safe");
+ if (pos != shift)
+ FAIL("rte_bsf64_safe");
+
+ if (shift > 31)
+ continue;
+
+ val32 = 1U << shift;
+ if ((uint32_t)rte_bsf32(val32) != shift)
+ FAIL("rte_bsf32");
+ if (rte_bsf32_safe(val32, &pos) != 1)
+ FAIL("rte_bsf32_safe");
+ if (pos != shift)
+ FAIL("rte_bsf32_safe");
+ }
+
+ return 0;
+}
+
+static int
+test_misc(void)
+{
+ char memdump[] = "memdump_test";
+
+ rte_memdump(stdout, "test", memdump, sizeof(memdump));
+ rte_hexdump(stdout, "test", memdump, sizeof(memdump));
+
+ rte_pause();
+
+ return 0;
+}
+
+static int
+test_align(void)
+{
+#define FAIL_ALIGN(x, i, p)\
+ {printf(x "() test failed: %u %u\n", i, p);\
+ return -1;}
+#define FAIL_ALIGN64(x, j, q)\
+ {printf(x "() test failed: %"PRIu64" %"PRIu64"\n", j, q);\
+ return -1; }
+#define ERROR_FLOOR(res, i, pow) \
+ (res % pow) || /* check if not aligned */ \
+ ((res / pow) != (i / pow)) /* check if correct alignment */
+#define ERROR_CEIL(res, i, pow) \
+ (res % pow) || /* check if not aligned */ \
+ ((i % pow) == 0 ? /* check if ceiling is invoked */ \
+ val / pow != i / pow : /* if aligned */ \
+ val / pow != (i / pow) + 1) /* if not aligned, hence +1 */
+
+ uint32_t i, p, val;
+ uint64_t j, q;
+
+ for (i = 1, p = 1; i <= MAX_NUM; i ++) {
+ if (rte_align32pow2(i) != p)
+ FAIL_ALIGN("rte_align32pow2", i, p);
+ if (i == p)
+ p <<= 1;
+ }
+
+ for (i = 1, p = 1; i <= MAX_NUM; i++) {
+ if (rte_align32prevpow2(i) != p)
+ FAIL_ALIGN("rte_align32prevpow2", i, p);
+ if (rte_is_power_of_2(i + 1))
+ p = i + 1;
+ }
+
+ for (j = 1, q = 1; j <= MAX_NUM ; j++) {
+ if (rte_align64pow2(j) != q)
+ FAIL_ALIGN64("rte_align64pow2", j, q);
+ if (j == q)
+ q <<= 1;
+ }
+
+ for (j = 1, q = 1; j <= MAX_NUM ; j++) {
+ if (rte_align64prevpow2(j) != q)
+ FAIL_ALIGN64("rte_align64prevpow2", j, q);
+ if (rte_is_power_of_2(j + 1))
+ q = j + 1;
+ }
+
+ for (p = 2; p <= MAX_NUM; p <<= 1) {
+
+ if (!rte_is_power_of_2(p))
+ FAIL("rte_is_power_of_2");
+
+ for (i = 1; i <= MAX_NUM; i++) {
+ /* align floor */
+ if (RTE_ALIGN_FLOOR((uintptr_t)i, p) % p)
+ FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p);
+
+ val = RTE_PTR_ALIGN_FLOOR((uintptr_t) i, p);
+ if (ERROR_FLOOR(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN_FLOOR", i, p);
+
+ val = RTE_ALIGN_FLOOR(i, p);
+ if (ERROR_FLOOR(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p);
+
+ /* align ceiling */
+ val = RTE_PTR_ALIGN((uintptr_t) i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN", i, p);
+
+ val = RTE_ALIGN(i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN", i, p);
+
+ val = RTE_ALIGN_CEIL(i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN_CEIL", i, p);
+
+ val = RTE_PTR_ALIGN_CEIL((uintptr_t)i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN_CEIL", i, p);
+
+ /* by this point we know that val is aligned to p */
+ if (!rte_is_aligned((void*)(uintptr_t) val, p))
+ FAIL("rte_is_aligned");
+ }
+ }
+
+ for (p = 1; p <= MAX_NUM / 2; p++) {
+ for (i = 1; i <= MAX_NUM / 2; i++) {
+ val = RTE_ALIGN_MUL_CEIL(i, p);
+ if (val % p != 0 || val < i)
+ FAIL_ALIGN("RTE_ALIGN_MUL_CEIL", i, p);
+ val = RTE_ALIGN_MUL_FLOOR(i, p);
+ if (val % p != 0 || val > i)
+ FAIL_ALIGN("RTE_ALIGN_MUL_FLOOR", i, p);
+ val = RTE_ALIGN_MUL_NEAR(i, p);
+ if (val % p != 0 || ((val != RTE_ALIGN_MUL_CEIL(i, p))
+ & (val != RTE_ALIGN_MUL_FLOOR(i, p))))
+ FAIL_ALIGN("RTE_ALIGN_MUL_NEAR", i, p);
+ }
+ }
+
+ return 0;
+}
+
+static int
+test_log2(void)
+{
+ uint32_t i, base, compare;
+ const uint32_t max = 0x10000;
+ const uint32_t step = 1;
+
+ compare = rte_log2_u32(0);
+ if (compare != 0) {
+ printf("Wrong rte_log2_u32(0) val %x, expected 0\n", compare);
+ return TEST_FAILED;
+ }
+
+ compare = rte_log2_u64(0);
+ if (compare != 0) {
+ printf("Wrong rte_log2_u64(0) val %x, expected 0\n", compare);
+ return TEST_FAILED;
+ }
+
+ for (i = 1; i < max; i = i + step) {
+ uint64_t i64;
+
+ /* extend range for 64-bit */
+ i64 = (uint64_t)i << 32;
+ base = (uint32_t)ceilf(log2(i64));
+ compare = rte_log2_u64(i64);
+ if (base != compare) {
+ printf("Wrong rte_log2_u64(%" PRIx64 ") val %x, expected %x\n",
+ i64, compare, base);
+ return TEST_FAILED;
+ }
+
+ base = (uint32_t)ceilf(log2((uint32_t)i));
+ compare = rte_log2_u32((uint32_t)i);
+ if (base != compare) {
+ printf("Wrong rte_log2_u32(%x) val %x, expected %x\n",
+ i, compare, base);
+ return TEST_FAILED;
+ }
+ compare = rte_log2_u64((uint64_t)i);
+ if (base != compare) {
+ printf("Wrong rte_log2_u64(%x) val %x, expected %x\n",
+ i, compare, base);
+ return TEST_FAILED;
+ }
+ }
+ return 0;
+}
+
+static int
+test_fls(void)
+{
+ struct fls_test_vector {
+ uint32_t arg;
+ int rc;
+ };
+ int expected, rc;
+ uint32_t i, arg;
+
+ const struct fls_test_vector test[] = {
+ {0x0, 0},
+ {0x1, 1},
+ {0x4000, 15},
+ {0x80000000, 32},
+ };
+
+ for (i = 0; i < RTE_DIM(test); i++) {
+ uint64_t arg64;
+
+ arg = test[i].arg;
+ rc = rte_fls_u32(arg);
+ expected = test[i].rc;
+ if (rc != expected) {
+ printf("Wrong rte_fls_u32(0x%x) rc=%d, expected=%d\n",
+ arg, rc, expected);
+ return TEST_FAILED;
+ }
+ /* 64-bit version */
+ arg = test[i].arg;
+ rc = rte_fls_u64(arg);
+ expected = test[i].rc;
+ if (rc != expected) {
+ printf("Wrong rte_fls_u64(0x%x) rc=%d, expected=%d\n",
+ arg, rc, expected);
+ return TEST_FAILED;
+ }
+ /* 64-bit version shifted by 32 bits */
+ arg64 = (uint64_t)test[i].arg << 32;
+ rc = rte_fls_u64(arg64);
+ /* don't shift zero */
+ expected = test[i].rc == 0 ? 0 : test[i].rc + 32;
+ if (rc != expected) {
+ printf("Wrong rte_fls_u64(0x%" PRIx64 ") rc=%d, expected=%d\n",
+ arg64, rc, expected);
+ return TEST_FAILED;
+ }
+ }
+
+ return 0;
+}
+
+static int
+test_common(void)
+{
+ int ret = 0;
+ ret |= test_align();
+ ret |= test_macros(0);
+ ret |= test_misc();
+ ret |= test_bsf();
+ ret |= test_log2();
+ ret |= test_fls();
+
+ return ret;
+}
+
+REGISTER_TEST_COMMAND(common_autotest, test_common);