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, kernel_hash, initrd_url, initrd_hash, 22 kernel_command_line, 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, asset_hash=kernel_hash) 34 initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash) 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 kernel_hash = '5b6f6876e1b5bda314f93893271da0d5777b1f3c' 76 initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 77 '/linux/releases/31/Everything/x86_64/os/images' 78 '/pxeboot/initrd.img') 79 initrd_hash = 'dd0340a1b39bd28f88532babd4581c67649ec5b1' 80 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 81 'console=ttyS0 rdinit=/bin/bash') 82 machine_type = 'pc' 83 self.do_test(kernel_url, kernel_hash, initrd_url, initrd_hash, 84 kernel_command_line, machine_type) 85 86 def test_multiprocess_aarch64(self): 87 """ 88 :avocado: tags=arch:aarch64 89 """ 90 kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 91 '/linux/releases/31/Everything/aarch64/os/images' 92 '/pxeboot/vmlinuz') 93 kernel_hash = '3505f2751e2833c681de78cee8dda1e49cabd2e8' 94 initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora' 95 '/linux/releases/31/Everything/aarch64/os/images' 96 '/pxeboot/initrd.img') 97 initrd_hash = '519a1962daf17d67fc3a9c89d45affcb399607db' 98 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 99 'rdinit=/bin/bash console=ttyAMA0') 100 machine_type = 'virt,gic-version=3' 101 self.do_test(kernel_url, kernel_hash, initrd_url, initrd_hash, 102 kernel_command_line, machine_type) 103