tests/functional: Convert the multiprocess avocado test into a standalone test

This test handles both, aarch64 and x86_64, with the same test code
(apart from some initial setup), so don't split this file by target
but add a check for self.arch in the main test function.

Message-ID: <20240903051333.102494-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/tests/functional/test_multiprocess.py b/tests/functional/test_multiprocess.py
new file mode 100755
index 0000000000..751cf10e63
--- /dev/null
+++ b/tests/functional/test_multiprocess.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python3
+#
+# Test for multiprocess qemu
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
+
+
+import os
+import socket
+
+from qemu_test import QemuSystemTest, Asset, wait_for_console_pattern
+from qemu_test import exec_command, exec_command_and_wait_for_pattern
+
+class Multiprocess(QemuSystemTest):
+
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+
+    ASSET_KERNEL_X86 = Asset(
+        ('https://archives.fedoraproject.org/pub/archive/fedora/linux'
+         '/releases/31/Everything/x86_64/os/images/pxeboot/vmlinuz'),
+        'd4738d03dbbe083ca610d0821d0a8f1488bebbdccef54ce33e3adb35fda00129')
+
+    ASSET_INITRD_X86 = Asset(
+        ('https://archives.fedoraproject.org/pub/archive/fedora/linux'
+         '/releases/31/Everything/x86_64/os/images/pxeboot/initrd.img'),
+        '3b6cb5c91a14c42e2f61520f1689264d865e772a1f0069e660a800d31dd61fb9')
+
+    ASSET_KERNEL_AARCH64 = Asset(
+        ('https://archives.fedoraproject.org/pub/archive/fedora/linux'
+         '/releases/31/Everything/aarch64/os/images/pxeboot/vmlinuz'),
+        '3ae07fcafbfc8e4abeb693035a74fe10698faae15e9ccd48882a9167800c1527')
+
+    ASSET_INITRD_AARCH64 = Asset(
+        ('https://archives.fedoraproject.org/pub/archive/fedora/linux'
+         '/releases/31/Everything/aarch64/os/images/pxeboot/initrd.img'),
+        '9fd230cab10b1dafea41cf00150e6669d37051fad133bd618d2130284e16d526')
+
+    def do_test(self, kernel_asset, initrd_asset,
+                kernel_command_line, machine_type):
+        """Main test method"""
+        self.require_accelerator('kvm')
+        self.require_device('x-pci-proxy-dev')
+
+        # Create socketpair to connect proxy and remote processes
+        proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX,
+                                                    socket.SOCK_STREAM)
+        os.set_inheritable(proxy_sock.fileno(), True)
+        os.set_inheritable(remote_sock.fileno(), True)
+
+        kernel_path = kernel_asset.fetch()
+        initrd_path = initrd_asset.fetch()
+
+        # Create remote process
+        remote_vm = self.get_vm()
+        remote_vm.add_args('-machine', 'x-remote')
+        remote_vm.add_args('-nodefaults')
+        remote_vm.add_args('-device', 'lsi53c895a,id=lsi1')
+        remote_vm.add_args('-object', 'x-remote-object,id=robj1,'
+                           'devid=lsi1,fd='+str(remote_sock.fileno()))
+        remote_vm.launch()
+
+        # Create proxy process
+        self.vm.set_console()
+        self.vm.add_args('-machine', machine_type)
+        self.vm.add_args('-accel', 'kvm')
+        self.vm.add_args('-cpu', 'host')
+        self.vm.add_args('-object',
+                         'memory-backend-memfd,id=sysmem-file,size=2G')
+        self.vm.add_args('--numa', 'node,memdev=sysmem-file')
+        self.vm.add_args('-m', '2048')
+        self.vm.add_args('-kernel', kernel_path,
+                         '-initrd', initrd_path,
+                         '-append', kernel_command_line)
+        self.vm.add_args('-device',
+                         'x-pci-proxy-dev,'
+                         'id=lsi1,fd='+str(proxy_sock.fileno()))
+        self.vm.launch()
+        wait_for_console_pattern(self, 'as init process',
+                                 'Kernel panic - not syncing')
+        exec_command(self, 'mount -t sysfs sysfs /sys')
+        exec_command_and_wait_for_pattern(self,
+                                          'cat /sys/bus/pci/devices/*/uevent',
+                                          'PCI_ID=1000:0012')
+
+    def test_multiprocess(self):
+        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE
+        if self.arch == 'x86_64':
+            kernel_command_line += 'console=ttyS0 rdinit=/bin/bash'
+            self.do_test(self.ASSET_KERNEL_X86, self.ASSET_INITRD_X86,
+                         kernel_command_line, 'pc')
+        elif self.arch == 'aarch64':
+            kernel_command_line += 'rdinit=/bin/bash console=ttyAMA0'
+            self.do_test(self.ASSET_KERNEL_AARCH64, self.ASSET_INITRD_AARCH64,
+                         kernel_command_line, 'virt,gic-version=3')
+        else:
+            assert False
+
+if __name__ == '__main__':
+    QemuSystemTest.main()