[libvirt] [PATCH V2 5/6] xenconfig: support bios=ovmf xl.cfg
Michal Privoznik
mprivozn at redhat.com
Thu Jun 9 16:16:12 UTC 2016
On 09.06.2016 16:46, Jim Fehlig wrote:
> Add support to xenconfig for conversion of xl.cfg(5) bios config
> to/from libvirt domXml <loader> config. SeaBIOS is the default
> for HVM guests using upstream QEMU. ROMBIOS is the default when
> using the old qemu-dm. This patch allows specifying OVMF as an
> alternate firmware.
>
> Example xl.cfg:
> bios = "ovmf"
>
> Example domXML:
> <os>
> ...
> <loader readonly='yes' type='pflash'>/usr/lib/xen/boot/ovmf.bin</loader>
> </os>
>
> An alternate OVMF firmware (from the one advertised in
> domaincapabilities) can be specified with
>
> bios = "ovmf"
> bios_override = "/path/to/my/ovmf.bin"
>
> Note that currently, Xen does not support a separate nvram for
> non-volatile variables.
>
> Signed-off-by: Jim Fehlig <jfehlig at suse.com>
> ---
> src/Makefile.am | 2 +-
> src/xenconfig/xen_xl.c | 50 ++++++++++++++++---
> tests/xlconfigdata/test-fullvirt-ovmf-override.cfg | 27 ++++++++++
> tests/xlconfigdata/test-fullvirt-ovmf-override.xml | 58 ++++++++++++++++++++++
> tests/xlconfigdata/test-fullvirt-ovmf.cfg | 26 ++++++++++
> tests/xlconfigdata/test-fullvirt-ovmf.xml | 58 ++++++++++++++++++++++
> tests/xlconfigtest.c | 2 +
> 7 files changed, 216 insertions(+), 7 deletions(-)
>
Looking good, but just one small nit.
> diff --git a/src/xenconfig/xen_xl.c b/src/xenconfig/xen_xl.c
> index 9b8306f..bbe53ee 100644
> --- a/src/xenconfig/xen_xl.c
> +++ b/src/xenconfig/xen_xl.c
> @@ -535,6 +561,18 @@ xenFormatXLOS(virConfPtr conf, virDomainDefPtr def)
> if (xenConfigSetString(conf, "builder", "hvm") < 0)
> return -1;
>
> + if (def->os.loader &&
> + def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH) {
> + if (xenConfigSetString(conf, "bios", "ovmf") < 0)
> + return -1;
> +
> + if (STRNEQ(def->os.loader->path, LIBXL_FIRMWARE_DIR "/ovmf.bin")) {
On my system LIBXL_FIRMWARE_DIR is:
$ pkg-config --variable=xenfirmwaredir xenlight
/usr/libexec/xen/boot
> + if (xenConfigSetString(conf, "bios_override",
> + def->os.loader->path) < 0)
and since "bios_override" is set only if it points somewhere else ...
> + return -1;
> + }
> + }
> +
> #ifdef LIBXL_HAVE_BUILDINFO_KERNEL
> if (def->os.kernel &&
> xenConfigSetString(conf, "kernel", def->os.kernel) < 0)
> diff --git a/tests/xlconfigdata/test-fullvirt-ovmf-override.cfg b/tests/xlconfigdata/test-fullvirt-ovmf-override.cfg
> new file mode 100644
> index 0000000..46bd684
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-ovmf-override.cfg
> @@ -0,0 +1,27 @@
> +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-dm"
> +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"
> +bios = "ovmf"
> +bios_override = "/usr/share/qemu/ovmf-x86_64.bin"
> +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-ovmf-override.xml b/tests/xlconfigdata/test-fullvirt-ovmf-override.xml
> new file mode 100644
> index 0000000..435a791
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-ovmf-override.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 readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x86_64.bin</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-dm</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-ovmf.cfg b/tests/xlconfigdata/test-fullvirt-ovmf.cfg
> new file mode 100644
> index 0000000..af0735e
> --- /dev/null
> +++ b/tests/xlconfigdata/test-fullvirt-ovmf.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-dm"
> +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"
> +bios = "ovmf"
I have got:
bios_override = "/usr/lib/xen/boot/ovmf.bin"
here. And thus the test fails for me. I'm not sure how test what you're
trying to test here though.
> +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" ]
Michal
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