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Signed-off-by: Pavan Nikhilesh --- test/test/Makefile | 1 + test/test/test_bitmap.c | 192 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 193 insertions(+) create mode 100644 test/test/test_bitmap.c diff --git a/test/test/Makefile b/test/test/Makefile index 42d9a49..2fda8d9 100644 --- a/test/test/Makefile +++ b/test/test/Makefile @@ -94,6 +94,7 @@ SRCS-y += test_cycles.c SRCS-y += test_spinlock.c SRCS-y += test_memory.c SRCS-y += test_memzone.c +SRCS-y += test_bitmap.c SRCS-y += test_ring.c SRCS-y += test_ring_perf.c diff --git a/test/test/test_bitmap.c b/test/test/test_bitmap.c new file mode 100644 index 0000000..5c9eee9 --- /dev/null +++ b/test/test/test_bitmap.c @@ -0,0 +1,192 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium, Inc. 2017. + * + * 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 Cavium, Inc 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 +#include + +#include +#include +#include + +#include "test.h" + +#define MAX_BITS 1000 + +static int +test_bitmap_scan_operations(struct rte_bitmap *bmp) +{ + uint32_t pos = 0; + uint64_t slab1_magic = 0xBADC0FFEEBADF00D; + uint64_t slab2_magic = 0xFEEDDEADDEADF00D; + uint64_t out_slab = 0; + + rte_bitmap_reset(bmp); + + rte_bitmap_set_slab(bmp, pos, slab1_magic); + rte_bitmap_set_slab(bmp, pos + RTE_BITMAP_SLAB_BIT_SIZE, slab2_magic); + + if (!rte_bitmap_scan(bmp, &pos, &out_slab)) { + printf("Failed to get slab from bitmap.\n"); + return TEST_FAILED; + } + + if (slab1_magic != out_slab) { + printf("Scan operation sanity failed.\n"); + return TEST_FAILED; + } + + if (!rte_bitmap_scan(bmp, &pos, &out_slab)) { + printf("Failed to get slab from bitmap.\n"); + return TEST_FAILED; + } + + if (slab2_magic != out_slab) { + printf("Scan operation sanity failed.\n"); + return TEST_FAILED; + } + + /* Wrap around */ + if (!rte_bitmap_scan(bmp, &pos, &out_slab)) { + printf("Failed to get slab from bitmap.\n"); + return TEST_FAILED; + } + + if (slab1_magic != out_slab) { + printf("Scan operation wrap around failed.\n"); + return TEST_FAILED; + } + + /* Scan reset check. */ + __rte_bitmap_scan_init(bmp); + + if (!rte_bitmap_scan(bmp, &pos, &out_slab)) { + printf("Failed to get slab from bitmap.\n"); + return TEST_FAILED; + } + + if (slab1_magic != out_slab) { + printf("Scan reset operation failed.\n"); + return TEST_FAILED; + } + + return TEST_SUCCESS; +} + +static int +test_bitmap_slab_set_get(struct rte_bitmap *bmp) +{ + uint32_t pos = 0; + uint64_t slab_magic = 0xBADC0FFEEBADF00D; + uint64_t out_slab = 0; + + rte_bitmap_reset(bmp); + rte_bitmap_set_slab(bmp, pos, slab_magic); + + if (!rte_bitmap_scan(bmp, &pos, &out_slab)) { + printf("Failed to get slab from bitmap.\n"); + return TEST_FAILED; + } + + + if (slab_magic != out_slab) { + printf("Invalid slab in bitmap.\n"); + return TEST_FAILED; + } + + + return TEST_SUCCESS; +} + +static int +test_bitmap_set_get_clear(struct rte_bitmap *bmp) +{ + int i; + + rte_bitmap_reset(bmp); + for (i = 0; i < MAX_BITS; i++) + rte_bitmap_set(bmp, i); + + for (i = 0; i < MAX_BITS; i++) { + if (!rte_bitmap_get(bmp, i)) { + printf("Failed to get set bit.\n"); + return TEST_FAILED; + } + } + + for (i = 0; i < MAX_BITS; i++) + rte_bitmap_clear(bmp, i); + + for (i = 0; i < MAX_BITS; i++) { + if (rte_bitmap_get(bmp, i)) { + printf("Failed to clear set bit.\n"); + return TEST_FAILED; + } + } + + return TEST_SUCCESS; +} + +static int +test_bitmap(void) +{ + void *mem; + uint32_t bmp_size; + struct rte_bitmap *bmp; + + bmp_size = + rte_bitmap_get_memory_footprint(MAX_BITS); + + mem = rte_zmalloc("test_bmap", bmp_size, RTE_CACHE_LINE_SIZE); + if (mem == NULL) { + printf("Failed to allocate memory for bitmap\n"); + return TEST_FAILED; + } + + bmp = rte_bitmap_init(MAX_BITS, mem, bmp_size); + if (bmp == NULL) { + printf("Failed to init bitmap\n"); + return TEST_FAILED; + } + + if (test_bitmap_set_get_clear(bmp) < 0) + return TEST_FAILED; + + if (test_bitmap_slab_set_get(bmp) < 0) + return TEST_FAILED; + + if (test_bitmap_scan_operations(bmp) < 0) + return TEST_FAILED; + + return TEST_SUCCESS; +} + +REGISTER_TEST_COMMAND(bitmap_test, test_bitmap);