cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

multiprocess.py (4025B)

      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 Test
     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(Test):
     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)