Initial version to test global devargs syntax.
Signed-off-by: Xueming Li <xuemi...@nvidia.com>
---
app/test/meson.build | 5 ++
app/test/test_devargs.c | 184 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 189 insertions(+)
create mode 100644 app/test/test_devargs.c
diff --git a/app/test/meson.build b/app/test/meson.build
index a16374b7a10..c4b0241010d 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -399,6 +399,11 @@ if dpdk_conf.has('RTE_NET_RING')
fast_tests += [['latencystats_autotest', true]]
fast_tests += [['pdump_autotest', true]]
endif
+if dpdk_conf.has('RTE_NET_VIRTIO')
+ test_deps += 'net_virtio'
+ test_sources += 'test_devargs.c'
+ fast_tests += [['devargs_autotest', true]]
+endif
if dpdk_conf.has('RTE_LIB_POWER')
test_deps += 'power'
diff --git a/app/test/test_devargs.c b/app/test/test_devargs.c
new file mode 100644
index 00000000000..13e95f052b0
--- /dev/null
+++ b/app/test/test_devargs.c
@@ -0,0 +1,184 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2021 NVIDIA Corporation & Affiliates
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_devargs.h>
+#include <rte_kvargs.h>
+#include <rte_bus.h>
+#include <rte_class.h>
+
+#include "test.h"
+
+/* Check layer arguments. */
+static int
+test_args(const char *devargs, const char *layer, const char *args, const int
n)
+{
+ struct rte_kvargs *kvlist;
+
+ if (n == 0) {
+ if (args != NULL && strlen(args) > 0) {
+ printf("rte_devargs_parse(%s) %s args parsed (not
expected)\n",
+ devargs, layer);
+ return -1;
+ } else {
+ return 0;
+ }
+ }
+ if (args == NULL) {
+ printf("rte_devargs_parse(%s) %s args not parsed\n",
+ devargs, layer);
+ return -1;
+ }
+ kvlist = rte_kvargs_parse(args, NULL);
+ if (kvlist == NULL) {
+ printf("rte_devargs_parse(%s) %s_str: %s not parsed\n",
+ devargs, layer, args);
+ return -1;
+ }
+ if ((int)kvlist->count != n) {
+ printf("rte_devargs_parse(%s) %s_str: %s kv number %u, not
%d\n",
+ devargs, layer, args, kvlist->count, n);
+ return -1;
+ }
+ return 0;
+}
+
+/* Test several valid cases */
+static int
+test_valid_devargs(void)
+{
+ static const struct {
+ const char *devargs;
+ int bus_kv;
+ int class_kv;
+ int driver_kv;
+ const char *bus;
+ const char *name;
+ const char *class;
+ } list[] = {
+ /* Global devargs syntax: */
+ { "bus=pci",
+ 1, 0, 0, "pci", NULL, NULL},
+ { "class=eth",
+ 0, 1, 0, NULL, NULL, "eth" },
+ { "bus=pci,addr=1:2.3/class=eth/driver=abc,k0=v0",
+ 2, 1, 2, "pci", "0000:01:02.3", "eth" },
+ { "bus=vdev,name=/dev/file/name/class=eth",
+ 2, 1, 0, "vdev", "/dev/file/name", "eth" },
+ { "bus=vdev,name=/class/bus/path/class=eth",
+ 2, 1, 0, "vdev", "/class/bus/path", "eth" },
+ { "bus=vdev,name=///dblslsh/class=eth",
+ 2, 1, 0, "vdev", "///dblslsh", "eth" },
+ /* Legacy devargs syntax: */
+ { "1:2.3", 0, 0, 0,
+ "pci", "1:2.3", NULL },
+ { "pci:1:2.3,k0=v0",
+ 0, 0, 1, "pci", "1:2.3", NULL },
+ { "net_virtio_user0,iface=test,path=/dev/vhost-net,queues=1",
+ 0, 0, 3, "vdev", "net_virtio_user0", NULL },
+ { "net_virtio_user0,iface=test,path=/class/bus/,queues=1",
+ 0, 0, 3, "vdev", "net_virtio_user0", NULL },
+ };
+ struct rte_devargs da;
+ uint32_t i;
+ int ret;
+ int fail = 0;
+
+ for (i = 0; i < RTE_DIM(list); i++) {
+ memset(&da, 0, sizeof(da));
+ ret = rte_devargs_parse(&da, list[i].devargs);
+ if (ret < 0) {
+ printf("rte_devargs_parse(%s) returned %d (but should
not)\n",
+ list[i].devargs, ret);
+ goto fail;
+ }
+ if ((list[i].bus_kv > 0 || list[i].bus != NULL) &&
+ da.bus == NULL) {
+ printf("rte_devargs_parse(%s) bus not parsed\n",
+ list[i].devargs);
+ goto fail;
+ }
+ if (test_args(list[i].devargs, "bus", da.bus_str,
+ list[i].bus_kv) != 0)
+ goto fail;
+ if (list[i].bus != NULL &&
+ strcmp(da.bus->name, list[i].bus) != 0) {
+ printf("rte_devargs_parse(%s) bus name (%s) not
expected (%s)\n",
+ list[i].devargs, da.bus->name, list[i].bus);
+ goto fail;
+ }
+ if ((list[i].class_kv > 0 || list[i].class != NULL) &&
+ da.cls == NULL) {
+ printf("rte_devargs_parse(%s) class not parsed\n",
+ list[i].devargs);
+ goto fail;
+ }
+ if (test_args(list[i].devargs, "class", da.cls_str,
+ list[i].class_kv) != 0)
+ goto fail;
+ if (list[i].class != NULL &&
+ strcmp(da.cls->name, list[i].class) != 0) {
+ printf("rte_devargs_parse(%s) class name (%s) not
expected (%s)\n",
+ list[i].devargs, da.cls->name, list[i].class);
+ goto fail;
+ }
+ if (test_args(list[i].devargs, "driver", da.drv_str,
+ list[i].driver_kv) != 0)
+ goto fail;
+ if (list[i].name != NULL &&
+ strcmp(da.name, list[i].name) != 0) {
+ printf("rte_devargs_parse(%s) device name (%s) not
expected (%s)\n",
+ list[i].devargs, da.name, list[i].name);
+ goto fail;
+ }
+ goto cleanup;
+fail:
+ fail = -1;
+cleanup:
+ rte_devargs_reset(&da);
+ }
+ return fail;
+}
+
+/* Test several invalid cases */
+static int
+test_invalid_devargs(void)
+{
+ static const char * const list[] = {
+ "bus=wrong-bus",
+ "class=wrong-class"};
+ struct rte_devargs da;
+ uint32_t i;
+ int ret;
+ int fail = 0;
+
+ for (i = 0; i < RTE_DIM(list); i++) {
+ ret = rte_devargs_parse(&da, list[i]);
+ if (ret >= 0) {
+ printf("rte_devargs_parse(%s) returned %d (but should
not)\n",
+ list[i], ret);
+ fail = ret;
+ }
+ rte_devargs_reset(&da);
+ }
+ return fail;
+}
+
+static int
+test_devargs(void)
+{
+ printf("== test valid case ==\n");
+ if (test_valid_devargs() < 0)
+ return -1;
+ printf("== test invalid case ==\n");
+ if (test_invalid_devargs() < 0)
+ return -1;
+ return 0;
+}
+
+REGISTER_TEST_COMMAND(devargs_autotest, test_devargs);
--
2.33.0
