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[200.100.75.183]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-53066864d8esm1773050e0c.20.2025.05.28.13.31.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 May 2025 13:31:54 -0700 (PDT) From: Gustavo Romero To: qemu-devel@nongnu.org, alex.bennee@linaro.org Cc: qemu-arm@nongnu.org, thuth@redhat.com, gustavo.romero@linaro.org, eric.auger@redhat.com, berrange@redhat.com Subject: [PATCH v5] tests/functional: Add PCI hotplug test for aarch64 Date: Wed, 28 May 2025 20:31:37 +0000 Message-Id: <20250528203137.1654964-1-gustavo.romero@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::a30; envelope-from=gustavo.romero@linaro.org; helo=mail-vk1-xa30.google.com X-Spam_score_int: -1 X-Spam_score: -0.2 X-Spam_bar: / X-Spam_report: (-0.2 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a functional test, aarch64_hotplug_pci, to exercise PCI hotplug and hot-unplug on arm64. Signed-off-by: Gustavo Romero Reviewed-by: Daniel P. Berrangé Acked-by: Thomas Huth --- MAINTAINERS | 6 ++ tests/functional/meson.build | 1 + tests/functional/test_aarch64_hotplug_pci.py | 74 ++++++++++++++++++++ 3 files changed, 81 insertions(+) create mode 100755 tests/functional/test_aarch64_hotplug_pci.py diff --git a/MAINTAINERS b/MAINTAINERS index 7060cf49b9..818d7b9d5f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2078,6 +2078,12 @@ S: Supported F: include/hw/pci/pcie_doe.h F: hw/pci/pcie_doe.c +ARM PCI Hotplug +M: Gustavo Romero +L: qemu-arm@nongnu.org +S: Supported +F: tests/functional/test_aarch64_hotplug_pci.py + ACPI/SMBIOS M: Michael S. Tsirkin M: Igor Mammedov diff --git a/tests/functional/meson.build b/tests/functional/meson.build index 52b4706cfe..2d68840fa2 100644 --- a/tests/functional/meson.build +++ b/tests/functional/meson.build @@ -83,6 +83,7 @@ tests_aarch64_system_quick = [ tests_aarch64_system_thorough = [ 'aarch64_aspeed_ast2700', 'aarch64_aspeed_ast2700fc', + 'aarch64_hotplug_pci', 'aarch64_imx8mp_evk', 'aarch64_raspi3', 'aarch64_raspi4', diff --git a/tests/functional/test_aarch64_hotplug_pci.py b/tests/functional/test_aarch64_hotplug_pci.py new file mode 100755 index 0000000000..2cf5c28b9f --- /dev/null +++ b/tests/functional/test_aarch64_hotplug_pci.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 +# +# SPDX-License-Identifier: GPL-2.0-or-later +# +# The test hotplugs a PCI device and checks it on a Linux guest. +# +# Copyright (c) 2025 Linaro Ltd. +# +# Author: +# Gustavo Romero +# +# This work is licensed under the terms of the GNU GPL, version 2 or +# later. See the COPYING file in the top-level directory. + +from qemu_test import LinuxKernelTest, Asset, exec_command_and_wait_for_pattern +from qemu_test import BUILD_DIR + +class HotplugPCI(LinuxKernelTest): + + ASSET_KERNEL = Asset( + ('https://ftp.debian.org/debian/dists/stable/main/installer-arm64/' + '20230607+deb12u11/images/netboot/debian-installer/arm64/linux'), + 'd92a60392ce1e379ca198a1a820899f8f0d39a62d047c41ab79492f81541a9d9') + + ASSET_INITRD = Asset( + ('https://ftp.debian.org/debian/dists/stable/main/installer-arm64/' + '20230607+deb12u11/images/netboot/debian-installer/arm64/initrd.gz'), + '9f817f76951f3237bca8216bee35267bfb826815687f4b2fcdd5e6c2a917790c') + + def test_hotplug_pci(self): + + self.set_machine('virt') + self.vm.add_args('-m', '512M') + self.vm.add_args('-cpu', 'cortex-a57') + self.vm.add_args('-append', + 'console=ttyAMA0,115200 init=/bin/sh') + self.vm.add_args('-device', + 'pcie-root-port,bus=pcie.0,chassis=1,slot=1,id=pcie.1') + self.vm.add_args('-bios', self.build_file('pc-bios', + 'edk2-aarch64-code.fd')) + + # BusyBox prompt + prompt = "~ #" + self.launch_kernel(self.ASSET_KERNEL.fetch(), + self.ASSET_INITRD.fetch(), + wait_for=prompt) + + # Check for initial state: 2 network adapters, lo and enp0s1. + exec_command_and_wait_for_pattern(self, + 'ls -l /sys/class/net | wc -l', + '2') + + # Hotplug one network adapter to the root port, i.e. pcie.1 bus. + self.vm.cmd('device_add', + driver='virtio-net-pci', + bus='pcie.1', + addr=0, + id='na') + # Wait for the kernel to recognize the new device. + self.wait_for_console_pattern('virtio-pci') + self.wait_for_console_pattern('virtio_net') + + # Check if there is a new network adapter. + exec_command_and_wait_for_pattern(self, + 'ls -l /sys/class/net | wc -l', + '3') + + self.vm.cmd('device_del', id='na') + exec_command_and_wait_for_pattern(self, + 'ls -l /sys/class/net | wc -l', + '2') + +if __name__ == '__main__': + LinuxKernelTest.main() -- 2.34.1