@@ -1797,6 +1797,7 @@ F: support/testing/tests/package/test_octave.py
F: support/testing/tests/package/test_ola.py
F: support/testing/tests/package/test_ola/
F: support/testing/tests/package/test_openblas.py
+F: support/testing/tests/package/test_pciutils.py
F: support/testing/tests/package/test_perftest.py
F: support/testing/tests/package/test_pigz.py
F: support/testing/tests/package/test_python_distro.py
new file mode 100644
@@ -0,0 +1,83 @@
+import os
+
+import infra.basetest
+
+
+class TestPCIUtils(infra.basetest.BRTest):
+ config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+ """
+ BR2_PACKAGE_PCIUTILS=y
+ BR2_TARGET_ROOTFS_CPIO=y
+ # BR2_TARGET_ROOTFS_TAR is not set
+ """
+
+ def test_run(self):
+ cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+
+ # Note: we add a qemu pci-testdev in order to have a stable
+ # device ID, and for writing in configuration space without
+ # interfering with the rest of the emulation. See:
+ # https://www.qemu.org/docs/master/specs/pci-testdev.html
+ self.emulator.boot(arch="armv5",
+ kernel="builtin",
+ options=["-initrd", cpio_file,
+ "-device", "pci-testdev"])
+ self.emulator.login()
+
+ # Check the program executes. This test also check that we
+ # have "lspci" from the pciutils package, rather than the
+ # busybox applet (which does not recognize the --version
+ # option)"
+ self.assertRunOk("lspci --version")
+
+ # Check few program invocations.
+ self.assertRunOk("lspci")
+ for lspci_opt in ["-t", "-n", "-v", "-vv", "-x"]:
+ self.assertRunOk(f"lspci {lspci_opt}")
+
+ # Check we can see the qemu pci-testdev.
+ # Vendor: 1b36: Red Hat, Inc.
+ # Device: 0005: QEMU PCI Test Device
+ pci_vendor_id = "1b36"
+ pci_device_id = "0005"
+ pci_dev = f"{pci_vendor_id}:{pci_device_id}"
+ cmd = f"lspci -d {pci_dev}"
+ output, exit_code = self.emulator.run(cmd)
+ self.assertEqual(exit_code, 0)
+ self.assertIn("Red Hat, Inc.", output[0])
+ self.assertIn("QEMU PCI Test Device", output[0])
+
+ # We disable INTx emulation by setting bit 10 of the COMMAND
+ # register in the configuration space. See:
+ # https://git.kernel.org/pub/scm/utils/pciutils/pciutils.git/tree/lib/header.h?h=v3.10.0#n26
+ dis_int_x = 0x400
+ data_mask = f"{hex(dis_int_x)}:{hex(dis_int_x)}"
+ cmd = f"setpci -d {pci_dev} COMMAND.w={data_mask}"
+ self.assertRunOk(cmd)
+
+ # We read back and check the value.
+ cmd = f"setpci -d {pci_dev} COMMAND.w"
+ output, exit_code = self.emulator.run(cmd)
+ read_value = int(output[0], 16)
+ self.assertEqual(exit_code, 0)
+ self.assertTrue((read_value & dis_int_x) == dis_int_x)
+
+ # We check lspci now see the disabled INTx emulation.
+ cmd = f"lspci -vv -d {pci_dev} | grep -F 'DisINTx+'"
+ self.assertRunOk(cmd)
+
+ # We re-enable the INTx emulation by clearing the bit 10.
+ data_mask = f"0x0:{hex(dis_int_x)}"
+ cmd = f"setpci -d {pci_dev} COMMAND.w={data_mask}"
+ self.assertRunOk(cmd)
+
+ # We read back and check the value, again.
+ cmd = f"setpci -d {pci_dev} COMMAND.w"
+ output, exit_code = self.emulator.run(cmd)
+ read_value = int(output[0], 16)
+ self.assertEqual(exit_code, 0)
+ self.assertTrue((read_value & dis_int_x) == 0)
+
+ # We check lspci now see the enabled INTx emulation.
+ cmd = f"lspci -vv -d {pci_dev} | grep -F 'DisINTx-'"
+ self.assertRunOk(cmd)
Signed-off-by: Julien Olivain <ju.o@free.fr> --- Patch tested on branch master at commit b200632 with commands: make check-package ... 0 warnings generated support/testing/run-tests \ -d dl -o output_folder \ tests.package.test_pciutils ... OK --- DEVELOPERS | 1 + .../testing/tests/package/test_pciutils.py | 83 +++++++++++++++++++ 2 files changed, 84 insertions(+) create mode 100644 support/testing/tests/package/test_pciutils.py