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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/spdk/dpdk/app/test/test_common.c | |
parent | Initial commit. (diff) | |
download | ceph-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.c | 327 |
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); |