support/testing: ndctl: new runtime test

Cc: Chen Pei <cp0613@linux.alibaba.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

DEVELOPERS

@@ -1978,6 +1978,8 @@ F:	support/testing/tests/package/test_nftables.py
 F:	support/testing/tests/package/test_nftables/
 F:	support/testing/tests/package/test_ngrep.py
 F:	support/testing/tests/package/test_nmap.py
+F:	support/testing/tests/package/test_ndctl.py
+F:	support/testing/tests/package/test_ndctl/
 F:	support/testing/tests/package/test_ntp.py
 F:	support/testing/tests/package/test_ntp/
 F:	support/testing/tests/package/test_numactl.py

support/testing/tests/package/test_ndctl.py

@@ -0,0 +1,54 @@
+import json
+import os
+
+import infra.basetest
+
+
+class TestNdctl(infra.basetest.BRTest):
+    kern_frag = \
+        infra.filepath("tests/package/test_ndctl/linux-pmem.fragment")
+    config = \
+        f"""
+        BR2_x86_64=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_LINUX_KERNEL=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.18.19"
+        BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+        BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux.config"
+        BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{kern_frag}"
+        BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF=y
+        BR2_PACKAGE_NDCTL=y
+        BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+        BR2_TARGET_ROOTFS_CPIO=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        kernel = os.path.join(self.builddir, "images", "bzImage")
+        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+        pmem_file = os.path.join(self.builddir, "images", "virtio-pmem.img")
+        self.emulator.boot(
+            arch="x86_64",
+            kernel=kernel, kernel_cmdline=["console=ttyS0"],
+            options=["-M", "pc",
+                     "-m", "1G,slots=2,maxmem=2G",
+                     "-object", f"memory-backend-file,id=mem1,share=on,mem-path={pmem_file},size=64M",
+                     "-device", "virtio-pmem-pci,memdev=mem1,id=nv1",
+                     "-initrd", cpio_file]
+        )
+        self.emulator.login()
+
+        # We check the program can execute.
+        self.assertRunOk("ndctl --version")
+
+        # We check we can see our pmem block device.
+        self.assertRunOk("ls -l /dev/pmem0")
+
+        # We check we can also see it with ndctl.
+        out, ret = self.emulator.run("ndctl list")
+        self.assertEqual(ret, 0)
+        ndctl_json = "".join(out)
+        pmem = json.loads(ndctl_json)
+        self.assertEqual(pmem[0]["blockdev"], "pmem0")
+        self.assertEqual(pmem[0]["size"], 64*1024*1024)

support/testing/tests/package/test_ndctl/linux-pmem.fragment

@@ -0,0 +1,3 @@
+CONFIG_LIBNVDIMM=y
+CONFIG_BLK_DEV_PMEM=y
+CONFIG_VIRTIO_PMEM=y