Re: [PATCH v2 3/3] xlconfigtest: add tests for 'nestedhvm' support

[Jim Fehlig <jfehlig@xxxxxxxx>]

On 03/24/2017 03:02 PM, Wim Ten Have wrote:
> From: Wim ten Have <wim.ten.have@xxxxxxxxxx>
>
> Testing various configuration schemas targeting postive, negative
> and undefined nestedhvm under libvirt <cpu mode="host-passthrough">
> configuration.
>
> Mode "host-passthrough" generates nestedhvm=1 in/from xl format where
>
> Intel virtualization (VT-x):
> <feature policy='disable' name='vmx'/>
>
>     or
>
> AMD virtualization (AMD-V):
> <feature policy='disable' name='svm'/>
>
> disables virtualization mode under guest domains.
>
> Signed-off-by: Wim ten Have <wim.ten.have@xxxxxxxxxx>
> ---
>  .../test-fullvirt-nestedhvm-disabled.cfg           | 26 +++++++++
>  .../test-fullvirt-nestedhvm-disabled.xml           | 62 ++++++++++++++++++++++
>  .../test-fullvirt-nestedhvm-undefined.cfg          | 25 +++++++++
>  .../test-fullvirt-nestedhvm-undefined.xml          | 58 ++++++++++++++++++++

The 'undefined' case is already tested by all the other tests that don't contain 
an explicit 'nestedhvm='. IMO it can be removed.

Regards,
Jim

>  tests/xlconfigdata/test-fullvirt-nestedhvm.cfg     | 26 +++++++++
>  tests/xlconfigdata/test-fullvirt-nestedhvm.xml     | 59 ++++++++++++++++++++
>  tests/xlconfigtest.c                               |  3 ++
>  7 files changed, 259 insertions(+)
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.xml
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.cfg
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.xml
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
>  create mode 100644 tests/xlconfigdata/test-fullvirt-nestedhvm.xml
>
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
> new file mode 100644
> index 0000000..d4b9f45
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
> @@ -0,0 +1,26 @@
> +name = "XenGuest2"
> +uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
> +maxmem = 579
> +memory = 394
> +vcpus = 1
> +pae = 1
> +acpi = 1
> +apic = 1
> +viridian = 0
> +rtc_timeoffset = 0
> +localtime = 0
> +on_poweroff = "destroy"
> +on_reboot = "restart"
> +on_crash = "restart"
> +device_model = "/usr/lib/xen/bin/qemu-system-i386"
> +sdl = 0
> +vnc = 1
> +vncunused = 1
> +vnclisten = "127.0.0.1"
> +vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
> +parallel = "none"
> +serial = "none"
> +builder = "hvm"
> +boot = "d"
> +nestedhvm = 0
> +disk = [ "format=raw,vdev=hda,access=rw,backendtype=phy,target=/dev/HostVG/XenGuest2", "format=qcow2,vdev=hdb,access=rw,backendtype=qdisk,target=/var/lib/libvirt/images/XenGuest2-home", "format=raw,vdev=hdc,access=ro,backendtype=qdisk,devtype=cdrom,target=/root/boot.iso" ]
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.xml b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.xml
> new file mode 100644
> index 0000000..a5b9233
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.xml
> @@ -0,0 +1,62 @@
> +<domain type='xen'>
> +  <name>XenGuest2</name>
> +  <uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
> +  <memory unit='KiB'>592896</memory>
> +  <currentMemory unit='KiB'>403456</currentMemory>
> +  <vcpu placement='static'>1</vcpu>
> +  <os>
> +    <type arch='x86_64' machine='xenfv'>hvm</type>
> +    <loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
> +    <boot dev='cdrom'/>
> +  </os>
> +  <features>
> +    <acpi/>
> +    <apic/>
> +    <pae/>
> +  </features>
> +  <cpu mode='host-passthrough'>
> +    <feature policy='disable' name='vmx'/>
> +    <feature policy='disable' name='svm'/>
> +  </cpu>
> +  <clock offset='variable' adjustment='0' basis='utc'/>
> +  <on_poweroff>destroy</on_poweroff>
> +  <on_reboot>restart</on_reboot>
> +  <on_crash>restart</on_crash>
> +  <devices>
> +    <emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
> +    <disk type='block' device='disk'>
> +      <driver name='phy' type='raw'/>
> +      <source dev='/dev/HostVG/XenGuest2'/>
> +      <target dev='hda' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> +    </disk>
> +    <disk type='file' device='disk'>
> +      <driver name='qemu' type='qcow2'/>
> +      <source file='/var/lib/libvirt/images/XenGuest2-home'/>
> +      <target dev='hdb' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
> +    </disk>
> +    <disk type='file' device='cdrom'>
> +      <driver name='qemu' type='raw'/>
> +      <source file='/root/boot.iso'/>
> +      <target dev='hdc' bus='ide'/>
> +      <readonly/>
> +      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
> +    </disk>
> +    <controller type='ide' index='0'/>
> +    <interface type='bridge'>
> +      <mac address='00:16:3e:66:92:9c'/>
> +      <source bridge='xenbr1'/>
> +      <script path='vif-bridge'/>
> +      <model type='e1000'/>
> +    </interface>
> +    <input type='mouse' bus='ps2'/>
> +    <input type='keyboard' bus='ps2'/>
> +    <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
> +      <listen type='address' address='127.0.0.1'/>
> +    </graphics>
> +    <video>
> +      <model type='cirrus' vram='8192' heads='1' primary='yes'/>
> +    </video>
> +  </devices>
> +</domain>
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.cfg b/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.cfg
> new file mode 100644
> index 0000000..4fe76b2
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.cfg
> @@ -0,0 +1,25 @@
> +name = "XenGuest2"
> +uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
> +maxmem = 579
> +memory = 394
> +vcpus = 1
> +pae = 1
> +acpi = 1
> +apic = 1
> +viridian = 0
> +rtc_timeoffset = 0
> +localtime = 0
> +on_poweroff = "destroy"
> +on_reboot = "restart"
> +on_crash = "restart"
> +device_model = "/usr/lib/xen/bin/qemu-system-i386"
> +sdl = 0
> +vnc = 1
> +vncunused = 1
> +vnclisten = "127.0.0.1"
> +vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
> +parallel = "none"
> +serial = "none"
> +builder = "hvm"
> +boot = "d"
> +disk = [ "format=raw,vdev=hda,access=rw,backendtype=phy,target=/dev/HostVG/XenGuest2", "format=qcow2,vdev=hdb,access=rw,backendtype=qdisk,target=/var/lib/libvirt/images/XenGuest2-home", "format=raw,vdev=hdc,access=ro,backendtype=qdisk,devtype=cdrom,target=/root/boot.iso" ]
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.xml b/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.xml
> new file mode 100644
> index 0000000..1bc5b43
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm-undefined.xml
> @@ -0,0 +1,58 @@
> +<domain type='xen'>
> +  <name>XenGuest2</name>
> +  <uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
> +  <memory unit='KiB'>592896</memory>
> +  <currentMemory unit='KiB'>403456</currentMemory>
> +  <vcpu placement='static'>1</vcpu>
> +  <os>
> +    <type arch='x86_64' machine='xenfv'>hvm</type>
> +    <loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
> +    <boot dev='cdrom'/>
> +  </os>
> +  <features>
> +    <acpi/>
> +    <apic/>
> +    <pae/>
> +  </features>
> +  <clock offset='variable' adjustment='0' basis='utc'/>
> +  <on_poweroff>destroy</on_poweroff>
> +  <on_reboot>restart</on_reboot>
> +  <on_crash>restart</on_crash>
> +  <devices>
> +    <emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
> +    <disk type='block' device='disk'>
> +      <driver name='phy' type='raw'/>
> +      <source dev='/dev/HostVG/XenGuest2'/>
> +      <target dev='hda' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> +    </disk>
> +    <disk type='file' device='disk'>
> +      <driver name='qemu' type='qcow2'/>
> +      <source file='/var/lib/libvirt/images/XenGuest2-home'/>
> +      <target dev='hdb' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
> +    </disk>
> +    <disk type='file' device='cdrom'>
> +      <driver name='qemu' type='raw'/>
> +      <source file='/root/boot.iso'/>
> +      <target dev='hdc' bus='ide'/>
> +      <readonly/>
> +      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
> +    </disk>
> +    <controller type='ide' index='0'/>
> +    <interface type='bridge'>
> +      <mac address='00:16:3e:66:92:9c'/>
> +      <source bridge='xenbr1'/>
> +      <script path='vif-bridge'/>
> +      <model type='e1000'/>
> +    </interface>
> +    <input type='mouse' bus='ps2'/>
> +    <input type='keyboard' bus='ps2'/>
> +    <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
> +      <listen type='address' address='127.0.0.1'/>
> +    </graphics>
> +    <video>
> +      <model type='cirrus' vram='8192' heads='1' primary='yes'/>
> +    </video>
> +  </devices>
> +</domain>
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg b/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
> new file mode 100644
> index 0000000..281f126
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
> @@ -0,0 +1,26 @@
> +name = "XenGuest2"
> +uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
> +maxmem = 579
> +memory = 394
> +vcpus = 1
> +pae = 1
> +acpi = 1
> +apic = 1
> +viridian = 0
> +rtc_timeoffset = 0
> +localtime = 0
> +on_poweroff = "destroy"
> +on_reboot = "restart"
> +on_crash = "restart"
> +device_model = "/usr/lib/xen/bin/qemu-system-i386"
> +sdl = 0
> +vnc = 1
> +vncunused = 1
> +vnclisten = "127.0.0.1"
> +vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
> +parallel = "none"
> +serial = "none"
> +builder = "hvm"
> +boot = "d"
> +nestedhvm = 1
> +disk = [ "format=raw,vdev=hda,access=rw,backendtype=phy,target=/dev/HostVG/XenGuest2", "format=qcow2,vdev=hdb,access=rw,backendtype=qdisk,target=/var/lib/libvirt/images/XenGuest2-home", "format=raw,vdev=hdc,access=ro,backendtype=qdisk,devtype=cdrom,target=/root/boot.iso" ]
> diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm.xml b/tests/xlconfigdata/test-fullvirt-nestedhvm.xml
> new file mode 100644
> index 0000000..8c02e7a
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-nestedhvm.xml
> @@ -0,0 +1,59 @@
> +<domain type='xen'>
> +  <name>XenGuest2</name>
> +  <uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
> +  <memory unit='KiB'>592896</memory>
> +  <currentMemory unit='KiB'>403456</currentMemory>
> +  <vcpu placement='static'>1</vcpu>
> +  <os>
> +    <type arch='x86_64' machine='xenfv'>hvm</type>
> +    <loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
> +    <boot dev='cdrom'/>
> +  </os>
> +  <features>
> +    <acpi/>
> +    <apic/>
> +    <pae/>
> +  </features>
> +  <cpu mode='host-passthrough'/>
> +  <clock offset='variable' adjustment='0' basis='utc'/>
> +  <on_poweroff>destroy</on_poweroff>
> +  <on_reboot>restart</on_reboot>
> +  <on_crash>restart</on_crash>
> +  <devices>
> +    <emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
> +    <disk type='block' device='disk'>
> +      <driver name='phy' type='raw'/>
> +      <source dev='/dev/HostVG/XenGuest2'/>
> +      <target dev='hda' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> +    </disk>
> +    <disk type='file' device='disk'>
> +      <driver name='qemu' type='qcow2'/>
> +      <source file='/var/lib/libvirt/images/XenGuest2-home'/>
> +      <target dev='hdb' bus='ide'/>
> +      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
> +    </disk>
> +    <disk type='file' device='cdrom'>
> +      <driver name='qemu' type='raw'/>
> +      <source file='/root/boot.iso'/>
> +      <target dev='hdc' bus='ide'/>
> +      <readonly/>
> +      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
> +    </disk>
> +    <controller type='ide' index='0'/>
> +    <interface type='bridge'>
> +      <mac address='00:16:3e:66:92:9c'/>
> +      <source bridge='xenbr1'/>
> +      <script path='vif-bridge'/>
> +      <model type='e1000'/>
> +    </interface>
> +    <input type='mouse' bus='ps2'/>
> +    <input type='keyboard' bus='ps2'/>
> +    <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
> +      <listen type='address' address='127.0.0.1'/>
> +    </graphics>
> +    <video>
> +      <model type='cirrus' vram='8192' heads='1' primary='yes'/>
> +    </video>
> +  </devices>
> +</domain>
> diff --git a/tests/xlconfigtest.c b/tests/xlconfigtest.c
> index e74e4d6..2dac241 100644
> --- a/tests/xlconfigtest.c
> +++ b/tests/xlconfigtest.c
> @@ -268,6 +268,9 @@ mymain(void)
>      DO_TEST("fullvirt-hpet-timer");
>      DO_TEST("fullvirt-tsc-timer");
>      DO_TEST("fullvirt-multi-timer");
> +    DO_TEST("fullvirt-nestedhvm");
> +    DO_TEST("fullvirt-nestedhvm-disabled");
> +    DO_TEST("fullvirt-nestedhvm-undefined");
>
>      DO_TEST("paravirt-cmdline");
>      DO_TEST_FORMAT("paravirt-cmdline-extra-root", false);

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