[PATCH] multi-process: Acceptance test for multiprocess QEMU

[elena . ufimtseva]

From: Jagannathan Raman <jag.raman@oracle.com>

Runs the Avocado acceptance test to check if a
remote lsi53c895a device gets identified by the guest.

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
---
 tests/acceptance/multiprocess.py | 104 +++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 tests/acceptance/multiprocess.py

diff --git a/tests/acceptance/multiprocess.py b/tests/acceptance/multiprocess.py
new file mode 100644
index 0000000000..d10b4d2c05
--- /dev/null
+++ b/tests/acceptance/multiprocess.py
@@ -0,0 +1,104 @@
+# 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.
+
+
+from avocado_qemu import Test
+from avocado_qemu import wait_for_console_pattern
+from avocado_qemu import exec_command_and_wait_for_pattern
+
+from qemu.accel import kvm_available
+
+import os
+import socket
+
+ACCEL_NOT_AVAILABLE_FMT = "%s accelerator does not seem to be available"
+KVM_NOT_AVAILABLE = ACCEL_NOT_AVAILABLE_FMT % "KVM"
+
+class Multiprocess(Test):
+    """
+    :avocado: tags=multiprocess
+    """
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+
+    def wait_for_console_pattern(self, success_message, vm=None):
+        wait_for_console_pattern(self, success_message,
+                                 failure_message='Kernel panic - not syncing',
+                                 vm=vm)
+
+    def do_test(self, kernel_url, initrd_url, kernel_command_line,
+                machine_type):
+        if not kvm_available(self.arch, self.qemu_bin):
+            self.cancel(KVM_NOT_AVAILABLE)
+
+        # 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 = self.fetch_asset(kernel_url)
+        initrd_path = self.fetch_asset(initrd_url)
+
+        # 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()
+        self.wait_for_console_pattern("as init process")
+        exec_command_and_wait_for_pattern(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_x86_64(self):
+        """
+        :avocado: tags=arch:x86_64
+        """
+        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
+                      '/linux/releases/31/Everything/x86_64/os/images'
+                      '/pxeboot/vmlinuz')
+        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
+                      '/linux/releases/31/Everything/x86_64/os/images'
+                      '/pxeboot/initrd.img')
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
+                               'console=ttyS0 rdinit=/bin/bash')
+        machine = 'pc'
+        self.do_test(kernel_url, initrd_url, kernel_command_line, machine)
+
+    def test_multiprocess_aarch64(self):
+        """
+        :avocado: tags=arch:aarch64
+        """
+        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
+                      '/linux/releases/31/Everything/aarch64/os/images'
+                      '/pxeboot/vmlinuz')
+        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
+                      '/linux/releases/31/Everything/aarch64/os/images'
+                      '/pxeboot/initrd.img')
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
+                               'rdinit=/bin/bash console=ttyAMA0')
+        machine_type = 'virt,gic-version=3'
+        self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
-- 
2.25.GIT