xref: /openbmc/qemu/tests/avocado/multiprocess.py (revision 51e47cf8) 
1# Test for multiprocess qemu
2#
3# This work is licensed under the terms of the GNU GPL, version 2 or
4# later.  See the COPYING file in the top-level directory.
5
6
7import os
8import socket
9
10from avocado_qemu import QemuSystemTest
11from avocado_qemu import wait_for_console_pattern
12from avocado_qemu import exec_command
13from avocado_qemu import exec_command_and_wait_for_pattern
14
15class Multiprocess(QemuSystemTest):
16    """
17    :avocado: tags=multiprocess
18    """
19    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
20
21    def do_test(self, kernel_url, initrd_url, kernel_command_line,
22                machine_type):
23        """Main test method"""
24        self.require_accelerator('kvm')
25        self.require_multiprocess()
26
27        # Create socketpair to connect proxy and remote processes
28        proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX,
29                                                    socket.SOCK_STREAM)
30        os.set_inheritable(proxy_sock.fileno(), True)
31        os.set_inheritable(remote_sock.fileno(), True)
32
33        kernel_path = self.fetch_asset(kernel_url)
34        initrd_path = self.fetch_asset(initrd_url)
35
36        # Create remote process
37        remote_vm = self.get_vm()
38        remote_vm.add_args('-machine', 'x-remote')
39        remote_vm.add_args('-nodefaults')
40        remote_vm.add_args('-device', 'lsi53c895a,id=lsi1')
41        remote_vm.add_args('-object', 'x-remote-object,id=robj1,'
42                           'devid=lsi1,fd='+str(remote_sock.fileno()))
43        remote_vm.launch()
44
45        # Create proxy process
46        self.vm.set_console()
47        self.vm.add_args('-machine', machine_type)
48        self.vm.add_args('-accel', 'kvm')
49        self.vm.add_args('-cpu', 'host')
50        self.vm.add_args('-object',
51                         'memory-backend-memfd,id=sysmem-file,size=2G')
52        self.vm.add_args('--numa', 'node,memdev=sysmem-file')
53        self.vm.add_args('-m', '2048')
54        self.vm.add_args('-kernel', kernel_path,
55                         '-initrd', initrd_path,
56                         '-append', kernel_command_line)
57        self.vm.add_args('-device',
58                         'x-pci-proxy-dev,'
59                         'id=lsi1,fd='+str(proxy_sock.fileno()))
60        self.vm.launch()
61        wait_for_console_pattern(self, 'as init process',
62                                 'Kernel panic - not syncing')
63        exec_command(self, 'mount -t sysfs sysfs /sys')
64        exec_command_and_wait_for_pattern(self,
65                                          'cat /sys/bus/pci/devices/*/uevent',
66                                          'PCI_ID=1000:0012')
67
68    def test_multiprocess_x86_64(self):
69        """
70        :avocado: tags=arch:x86_64
71        """
72        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
73                      '/linux/releases/31/Everything/x86_64/os/images'
74                      '/pxeboot/vmlinuz')
75        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
76                      '/linux/releases/31/Everything/x86_64/os/images'
77                      '/pxeboot/initrd.img')
78        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
79                               'console=ttyS0 rdinit=/bin/bash')
80        machine_type = 'pc'
81        self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
82
83    def test_multiprocess_aarch64(self):
84        """
85        :avocado: tags=arch:aarch64
86        """
87        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
88                      '/linux/releases/31/Everything/aarch64/os/images'
89                      '/pxeboot/vmlinuz')
90        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
91                      '/linux/releases/31/Everything/aarch64/os/images'
92                      '/pxeboot/initrd.img')
93        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
94                               'rdinit=/bin/bash console=ttyAMA0')
95        machine_type = 'virt,gic-version=3'
96        self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
97