[PULL 16/18] tests/avocado: add boot_xen tests

["Alex Bennée" <alex.bennee@linaro.org>]

These tests make sure we can boot the Xen hypervisor with a Dom0
kernel using the guest-loader. We currently have to use a kernel I
built myself because there are issues using the Debian kernel images.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20210303173642.3805-8-alex.bennee@linaro.org>

diff --git a/MAINTAINERS b/MAINTAINERS
index 6bebd5279b..b54a22475b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2023,6 +2023,7 @@ M: Alex Bennée <alex.bennee@linaro.org>
 S: Maintained
 F: hw/core/guest-loader.c
 F: docs/system/guest-loader.rst
+F: tests/acceptance/boot_xen.py
 
 Intel Hexadecimal Object File Loader
 M: Su Hang <suhang16@mails.ucas.ac.cn>
diff --git a/tests/acceptance/boot_xen.py b/tests/acceptance/boot_xen.py
new file mode 100644
index 0000000000..75c2d44492
--- /dev/null
+++ b/tests/acceptance/boot_xen.py
@@ -0,0 +1,118 @@
+# Functional test that boots a Xen hypervisor with a domU kernel and
+# checks the console output is vaguely sane .
+#
+# Copyright (c) 2020 Linaro
+#
+# Author:
+#  Alex Bennée <alex.bennee@linaro.org>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
+
+import os
+
+from avocado import skipIf
+from avocado_qemu import wait_for_console_pattern
+from boot_linux_console import LinuxKernelTest
+
+
+class BootXenBase(LinuxKernelTest):
+    """
+    Boots a Xen hypervisor with a Linux DomU kernel.
+    """
+
+    timeout = 90
+    XEN_COMMON_COMMAND_LINE = 'dom0_mem=128M loglvl=all guest_loglvl=all'
+
+    def fetch_guest_kernel(self):
+        # Using my own built kernel - which works
+        kernel_url = ('https://fileserver.linaro.org/'
+                      's/JSsewXGZ6mqxPr5/download?path=%2F&files='
+                      'linux-5.9.9-arm64-ajb')
+        kernel_sha1 = '4f92bc4b9f88d5ab792fa7a43a68555d344e1b83'
+        kernel_path = self.fetch_asset(kernel_url,
+                                       asset_hash=kernel_sha1)
+
+        return kernel_path
+
+    def launch_xen(self, xen_path):
+        """
+        Launch Xen with a dom0 guest kernel
+        """
+        self.log.info("launch with xen_path: %s", xen_path)
+        kernel_path = self.fetch_guest_kernel()
+
+        self.vm.set_console()
+
+        xen_command_line = self.XEN_COMMON_COMMAND_LINE
+        self.vm.add_args('-machine', 'virtualization=on',
+                         '-cpu', 'cortex-a57',
+                         '-m', '768',
+                         '-kernel', xen_path,
+                         '-append', xen_command_line,
+                         '-device',
+                         'guest-loader,addr=0x47000000,kernel=%s,bootargs=console=hvc0'
+                         % (kernel_path))
+
+        self.vm.launch()
+
+        console_pattern = 'VFS: Cannot open root device'
+        wait_for_console_pattern(self, console_pattern, "Panic on CPU 0:")
+
+
+class BootXen(BootXenBase):
+
+    def test_arm64_xen_411_and_dom0(self):
+        """
+        :avocado: tags=arch:aarch64
+        :avocado: tags=accel:tcg
+        :avocado: tags=cpu:cortex-a57
+        :avocado: tags=machine:virt
+        """
+
+        # archive of file from https://deb.debian.org/debian/pool/main/x/xen/
+        xen_url = ('https://fileserver.linaro.org/s/JSsewXGZ6mqxPr5/'
+                   'download?path=%2F&files='
+                   'xen-hypervisor-4.11-arm64_4.11.4%2B37-g3263f257ca-1_arm64.deb')
+        xen_sha1 = '034e634d4416adbad1212d59b62bccdcda63e62a'
+        xen_deb = self.fetch_asset(xen_url, asset_hash=xen_sha1)
+        xen_path = self.extract_from_deb(xen_deb, "/boot/xen-4.11-arm64")
+
+        self.launch_xen(xen_path)
+
+    def test_arm64_xen_414_and_dom0(self):
+        """
+        :avocado: tags=arch:aarch64
+        :avocado: tags=accel:tcg
+        :avocado: tags=cpu:cortex-a57
+        :avocado: tags=machine:virt
+        """
+
+        # archive of file from https://deb.debian.org/debian/pool/main/x/xen/
+        xen_url = ('https://fileserver.linaro.org/s/JSsewXGZ6mqxPr5/'
+                   'download?path=%2F&files='
+                   'xen-hypervisor-4.14-arm64_4.14.0%2B80-gd101b417b7-1_arm64.deb')
+        xen_sha1 = 'b9d209dd689ed2b393e625303a225badefec1160'
+        xen_deb = self.fetch_asset(xen_url, asset_hash=xen_sha1)
+        xen_path = self.extract_from_deb(xen_deb, "/boot/xen-4.14-arm64")
+
+        self.launch_xen(xen_path)
+
+    def test_arm64_xen_415_and_dom0(self):
+        """
+        :avocado: tags=arch:aarch64
+        :avocado: tags=accel:tcg
+        :avocado: tags=cpu:cortex-a57
+        :avocado: tags=machine:virt
+        """
+
+        xen_url = ('https://fileserver.linaro.org/'
+                   's/JSsewXGZ6mqxPr5/download'
+                   '?path=%2F&files=xen-upstream-4.15-unstable.deb')
+        xen_sha1 = 'fc191172b85cf355abb95d275a24cc0f6d6579d8'
+        xen_deb = self.fetch_asset(xen_url, asset_hash=xen_sha1)
+        xen_path = self.extract_from_deb(xen_deb, "/boot/xen-4.15-unstable")
+
+        self.launch_xen(xen_path)
-- 
2.20.1