[virt-tools-list] [virt-manager PATCH 4/5] virt-install: add a new guest feature GIC for ARM guests

Cole Robinson crobinso at redhat.com
Sat Jun 11 14:58:17 UTC 2016


On 06/10/2016 01:30 PM, Pavel Hrdina wrote:
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1334857
> 
> Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
> ---
>  man/virt-install.pod                               |  5 +++
>  .../compare/virt-install-aarch64-kvm-gic.xml       | 33 ++++++++++++++++++
>  tests/clitest.py                                   |  1 +
>  virtinst/cli.py                                    | 39 ++++++++++++----------
>  virtinst/guest.py                                  | 16 +++++++++
>  5 files changed, 77 insertions(+), 17 deletions(-)
>  create mode 100644 tests/cli-test-xml/compare/virt-install-aarch64-kvm-gic.xml
> 
> diff --git a/man/virt-install.pod b/man/virt-install.pod
> index 0537693..8054f68 100644
> --- a/man/virt-install.pod
> +++ b/man/virt-install.pod
> @@ -254,6 +254,11 @@ Allow the KVM hypervisor signature to be hidden from the guest
>  
>  Notify the guest that the host supports paravirtual spinlocks for example by exposing the pvticketlocks mechanism.
>  
> +=item B<--features gic=2>
> +
> +This is relevant only for aarch64 architecture. Possible values are "host" or
> +version number.
> +
>  =back
>  
>  Use --features=? to see a list of all available sub options. Complete details at L<http://libvirt.org/formatdomain.html#elementsFeatures>
> diff --git a/tests/cli-test-xml/compare/virt-install-aarch64-kvm-gic.xml b/tests/cli-test-xml/compare/virt-install-aarch64-kvm-gic.xml
> new file mode 100644
> index 0000000..189373d
> --- /dev/null
> +++ b/tests/cli-test-xml/compare/virt-install-aarch64-kvm-gic.xml
> @@ -0,0 +1,33 @@
> +<domain type="kvm">
> +  <name>foobar</name>
> +  <uuid>00000000-1111-2222-3333-444444444444</uuid>
> +  <memory>65536</memory>
> +  <currentMemory>65536</currentMemory>
> +  <vcpu>1</vcpu>
> +  <os>
> +    <type arch="aarch64" machine="virt">hvm</type>
> +    <loader readonly="yes" type="pflash">/usr/share/AAVMF/AAVMF_CODE.fd</loader>
> +    <boot dev="hd"/>
> +  </os>
> +  <features>
> +    <gic version="host"/>
> +  </features>
> +  <cpu mode="host-passthrough"/>
> +  <clock offset="utc"/>
> +  <on_poweroff>destroy</on_poweroff>
> +  <on_reboot>restart</on_reboot>
> +  <on_crash>restart</on_crash>
> +  <devices>
> +    <emulator>/usr/bin/qemu-system-aarch64</emulator>
> +    <interface type="bridge">
> +      <source bridge="eth0"/>
> +      <mac address="00:11:22:33:44:55"/>
> +      <model type="virtio"/>
> +    </interface>
> +    <console type="pty"/>
> +    <channel type="unix">
> +      <source mode="bind"/>
> +      <target type="virtio" name="org.qemu.guest_agent.0"/>
> +    </channel>
> +  </devices>
> +</domain>
> diff --git a/tests/clitest.py b/tests/clitest.py
> index 5d26078..376a17e 100644
> --- a/tests/clitest.py
> +++ b/tests/clitest.py
> @@ -711,6 +711,7 @@ c.add_compare("--arch aarch64 --machine virt --boot kernel=/f19-arm.kernel,initr
>  c.add_compare("--arch aarch64 --boot kernel=/f19-arm.kernel,initrd=/f19-arm.initrd,kernel_args=\"console=ttyAMA0,1234 rw root=/dev/vda3\",extra_args=foo --disk %(EXISTIMG1)s", "aarch64-machdefault")
>  c.add_compare("--arch aarch64 --cdrom %(EXISTIMG2)s --boot loader=CODE.fd,nvram_template=VARS.fd --disk %(EXISTIMG1)s --cpu none --events on_crash=preserve,on_reboot=destroy,on_poweroff=restart", "aarch64-cdrom")
>  c.add_compare("--connect %(URI-KVM-AARCH64)s --disk %(EXISTIMG1)s --import --os-variant fedora21", "aarch64-kvm-import")
> +c.add_compare("--connect %(URI-KVM-AARCH64)s --disk none --os-variant fedora23 --features gic=host", "aarch64-kvm-gic")
>  
>  # ppc64 tests
>  c.add_compare("--arch ppc64 --machine pseries --boot network --disk %(EXISTIMG1)s --disk device=cdrom --os-variant fedora20 --network none", "ppc64-pseries-f20")
> diff --git a/virtinst/cli.py b/virtinst/cli.py
> index 7924b14..1f486b2 100644
> --- a/virtinst/cli.py
> +++ b/virtinst/cli.py
> @@ -54,7 +54,6 @@ from .devicetpm import VirtualTPMDevice
>  from .devicevideo import VirtualVideoDevice
>  from .devicewatchdog import VirtualWatchdog
>  from .domainblkiotune import DomainBlkiotune
> -from .domainfeatures import DomainFeatures
>  from .domainmemorybacking import DomainMemorybacking
>  from .domainmemorytune import DomainMemorytune
>  from .domainnumatune import DomainNumatune
> @@ -1518,32 +1517,38 @@ class ParserSecurity(VirtCLIParser):
>  
>  class ParserFeatures(VirtCLIParser):
>      def _init_params(self):
> -        self.objclass = DomainFeatures
>  

This has some subtle side effects, basically disabling virt-xml --features
clearxml=off, but that could be worked around.

> -        self.set_param("acpi", "acpi", is_onoff=True)
> -        self.set_param("apic", "apic", is_onoff=True)
> -        self.set_param("pae", "pae", is_onoff=True)
> -        self.set_param("privnet", "privnet",
> +        self.set_param("features.acpi", "acpi", is_onoff=True)
> +        self.set_param("features.apic", "apic", is_onoff=True)
> +        self.set_param("features.pae", "pae", is_onoff=True)
> +        self.set_param("features.privnet", "privnet",
>              is_onoff=True)
> -        self.set_param("hap", "hap",
> +        self.set_param("features.hap", "hap",
>              is_onoff=True)
> -        self.set_param("viridian", "viridian",
> +        self.set_param("features.viridian", "viridian",
>              is_onoff=True)
> -        self.set_param("eoi", "eoi", is_onoff=True)
> -        self.set_param("pmu", "pmu", is_onoff=True)
> +        self.set_param("features.eoi", "eoi", is_onoff=True)
> +        self.set_param("features.pmu", "pmu", is_onoff=True)
>  
> -        self.set_param("hyperv_vapic", "hyperv_vapic",
> +        self.set_param("features.hyperv_vapic", "hyperv_vapic",
>              is_onoff=True)
> -        self.set_param("hyperv_relaxed", "hyperv_relaxed",
> +        self.set_param("features.hyperv_relaxed", "hyperv_relaxed",
>              is_onoff=True)
> -        self.set_param("hyperv_spinlocks", "hyperv_spinlocks",
> +        self.set_param("features.hyperv_spinlocks", "hyperv_spinlocks",
>              is_onoff=True)
> -        self.set_param("hyperv_spinlocks_retries",
> +        self.set_param("features.hyperv_spinlocks_retries",
>              "hyperv_spinlocks_retries")
>  
> -        self.set_param("vmport", "vmport", is_onoff=True)
> -        self.set_param("kvm_hidden", "kvm_hidden", is_onoff=True)
> -        self.set_param("pvspinlock", "pvspinlock", is_onoff=True)
> +        self.set_param("features.vmport", "vmport", is_onoff=True)
> +        self.set_param("features.kvm_hidden", "kvm_hidden", is_onoff=True)
> +        self.set_param("features.pvspinlock", "pvspinlock", is_onoff=True)
> +
> +        def set_gic(opts, inst, cliname, val):
> +            ignore = opts
> +            ignore = cliname
> +            inst.set_gic_version(val)
> +
> +        self.set_param(None, "gic", setter_cb=set_gic)
>  
>  
>  ###################
> diff --git a/virtinst/guest.py b/virtinst/guest.py
> index 490b90b..544a65a 100644
> --- a/virtinst/guest.py
> +++ b/virtinst/guest.py
> @@ -587,6 +587,22 @@ class Guest(XMLBuilder):
>          self.os.loader = path
>  
>  
> +    def set_gic_version(self, val):
> +        """
> +        Checks and sets GIC version for ARM guest.
> +        """
> +
> +        domcaps = DomainCapabilities.build_from_guest(self)
> +
> +        if not domcaps.supports_gic(self):
> +            raise RuntimeError(_("GIC is not supported."))
> +
> +        if val != "host" and val not in domcaps.get_gic_versions():
> +            raise RuntimeError(_("GIC version '%s' is not supported") % val)
> +
> +        self.features.gic_version = val
> +
> +

Do we actually need this validation here? Isn't libvirt going to throw us
these same errors once the XML is defined?

Thanks,
Cole




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