Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

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

1 files changed, 185 insertions, 0 deletions

diff --git a/src/seastar/dpdk/app/test/test_bitmap.c b/src/seastar/dpdk/app/test/test_bitmap.c
new file mode 100644
index 000000000..95c518488
--- /dev/null
+++ b/src/seastar/dpdk/app/test/test_bitmap.c
@@ -0,0 +1,185 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+
+#include <rte_common.h>
+#include <rte_bitmap.h>
+#include <rte_malloc.h>
+
+#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)
+{
+	uint64_t val;
+	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;
+		}
+	}
+
+	rte_bitmap_reset(bmp);
+
+	/* Alternate slab set test */
+	for (i = 0; i < MAX_BITS; i++) {
+		if (i % RTE_BITMAP_SLAB_BIT_SIZE)
+			rte_bitmap_set(bmp, i);
+	}
+
+	for (i = 0; i < MAX_BITS; i++) {
+		val = rte_bitmap_get(bmp, i);
+		if (((i % RTE_BITMAP_SLAB_BIT_SIZE) && !val) ||
+		    (!(i % RTE_BITMAP_SLAB_BIT_SIZE) && val)) {
+			printf("Failed to get 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;
+
+	rte_bitmap_free(bmp);
+	rte_free(mem);
+
+	return TEST_SUCCESS;
+}
+
+REGISTER_TEST_COMMAND(bitmap_test, test_bitmap);