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 26 # Create socketpair to connect proxy and remote processes 27 proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX, 28 socket.SOCK_STREAM) 29 os.set_inheritable(proxy_sock.fileno(), True) 30 os.set_inheritable(remote_sock.fileno(), True) 31 32 kernel_path = self.fetch_asset(kernel_url) 33 initrd_path = self.fetch_asset(initrd_url) 34 35 # Create remote process 36 remote_vm = self.get_vm() 37 remote_vm.add_args('-machine', 'x-remote') 38 remote_vm.add_args('-nodefaults') 39 remote_vm.add_args('-device', 'lsi53c895a,id=lsi1') 40 remote_vm.add_args('-object', 'x-remote-object,id=robj1,' 41 'devid=lsi1,fd='+str(remote_sock.fileno())) 42 remote_vm.launch() 43 44 # Create proxy process 45 self.vm.set_console() 46 self.vm.add_args('-machine', machine_type) 47 self.vm.add_args('-accel', 'kvm') 48 self.vm.add_args('-cpu', 'host') 49 self.vm.add_args('-object', 50 'memory-backend-memfd,id=sysmem-file,size=2G') 51 self.vm.add_args('--numa', 'node,memdev=sysmem-file') 52 self.vm.add_args('-m', '2048') 53 self.vm.add_args('-kernel', kernel_path, 54 '-initrd', initrd_path, 55 '-append', kernel_command_line) 56 self.vm.add_args('-device', 57 'x-pci-proxy-dev,' 58 'id=lsi1,fd='+str(proxy_sock.fileno())) 59 self.vm.launch() 60 wait_for_console_pattern(self, 'as init process', 61 'Kernel panic - not syncing') 62 exec_command(self, 'mount -t sysfs sysfs /sys') 63 exec_command_and_wait_for_pattern(self, 64 'cat /sys/bus/pci/devices/*/uevent', 65 'PCI_ID=1000:0012') 66 67 def test_multiprocess_x86_64(self): 68 """ 69 :avocado: tags=arch:x86_64 70 """ 71 kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 72 '/linux/releases/31/Everything/x86_64/os/images' 73 '/pxeboot/vmlinuz') 74 initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 75 '/linux/releases/31/Everything/x86_64/os/images' 76 '/pxeboot/initrd.img') 77 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 78 'console=ttyS0 rdinit=/bin/bash') 79 machine_type = 'pc' 80 self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type) 81 82 def test_multiprocess_aarch64(self): 83 """ 84 :avocado: tags=arch:aarch64 85 """ 86 kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 87 '/linux/releases/31/Everything/aarch64/os/images' 88 '/pxeboot/vmlinuz') 89 initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 90 '/linux/releases/31/Everything/aarch64/os/images' 91 '/pxeboot/initrd.img') 92 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 93 'rdinit=/bin/bash console=ttyAMA0') 94 machine_type = 'virt,gic-version=3' 95 self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type) 96