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68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Test for multiprocess qemu
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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import socket
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from qemu_test import QemuSystemTest, wait_for_console_pattern
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from qemu_test import exec_command, exec_command_and_wait_for_pattern
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class Multiprocess(QemuSystemTest):
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KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
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def do_test(self, kernel_asset, initrd_asset,
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kernel_command_line, machine_type):
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"""Main test method"""
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self.require_accelerator('kvm')
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self.require_device('x-pci-proxy-dev')
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# Create socketpair to connect proxy and remote processes
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proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX,
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socket.SOCK_STREAM)
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os.set_inheritable(proxy_sock.fileno(), True)
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os.set_inheritable(remote_sock.fileno(), True)
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kernel_path = kernel_asset.fetch()
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initrd_path = initrd_asset.fetch()
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# Create remote process
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remote_vm = self.get_vm()
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remote_vm.add_args('-machine', 'x-remote')
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remote_vm.add_args('-nodefaults')
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remote_vm.add_args('-device', 'lsi53c895a,id=lsi1')
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remote_vm.add_args('-object', 'x-remote-object,id=robj1,'
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'devid=lsi1,fd='+str(remote_sock.fileno()))
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remote_vm.launch()
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# Create proxy process
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self.vm.set_console()
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self.vm.add_args('-machine', machine_type)
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self.vm.add_args('-accel', 'kvm')
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self.vm.add_args('-cpu', 'host')
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self.vm.add_args('-object',
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'memory-backend-memfd,id=sysmem-file,size=2G')
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self.vm.add_args('--numa', 'node,memdev=sysmem-file')
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self.vm.add_args('-m', '2048')
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self.vm.add_args('-kernel', kernel_path,
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'-initrd', initrd_path,
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'-append', kernel_command_line)
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self.vm.add_args('-device',
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'x-pci-proxy-dev,'
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'id=lsi1,fd='+str(proxy_sock.fileno()))
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self.vm.launch()
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wait_for_console_pattern(self, 'as init process',
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'Kernel panic - not syncing')
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exec_command(self, 'mount -t sysfs sysfs /sys')
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exec_command_and_wait_for_pattern(self,
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'cat /sys/bus/pci/devices/*/uevent',
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'PCI_ID=1000:0012')
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proxy_sock.close()
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remote_sock.close()
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