Re: [libvirt] [PATCH] libxl: add support for memballoon device
On Tue, Apr 10, 2018 at 03:03:17PM -0600, Jim Fehlig wrote:
> All Xen PV and HVM with PV driver support a memory balloon device,
> which cannot be disabled through the toolstack. Model the device
> in the libxl driver, similar to the recently removed xend-based
> driver.
>
> Signed-off-by: Jim Fehlig
> ---
>
> Apologies for the large amount of test file churn...
>
>
> diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
> index 0ed914e4f..ed477330d 100644
> --- a/src/libxl/libxl_conf.c
> +++ b/src/libxl/libxl_conf.c
> @@ -626,6 +626,32 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
> return -1;
> }
>
> +/* only the 'xen' balloon device model is supported */
> +if (def->memballoon) {
> +int model = def->memballoon->model;
> +
> +switch ((virDomainMemballoonModel)model) {
> +case VIR_DOMAIN_MEMBALLOON_MODEL_XEN:
> +break;
> +case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO:
> +virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> + _("unsupported balloon device model '%s'"),
> + virDomainMemballoonModelTypeToString(model));
> +return -1;
> +case VIR_DOMAIN_MEMBALLOON_MODEL_NONE:
> +virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> + "%s",
> + _("balloon device cannot be disabled"));
> +return -1;
> +case VIR_DOMAIN_MEMBALLOON_MODEL_LAST:
> +default:
> +virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> + _("unexpected balloon device model '%d'"),
> + model);
Just use virReportEnumRangeError(virDomainMemballoonModel, model);
Assuming that's changed
Reviewed-by: Daniel P. Berrangé
Regards,
Daniel
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[libvirt] [PATCH] libxl: add support for memballoon device
All Xen PV and HVM with PV driver support a memory balloon device, which cannot be disabled through the toolstack. Model the device in the libxl driver, similar to the recently removed xend-based driver. Signed-off-by: Jim Fehlig --- Apologies for the large amount of test file churn... src/libxl/libxl_conf.c | 26 ++ src/libxl/libxl_domain.c | 10 + tests/sexpr2xmldata/sexpr2xml-boot-grub.xml| 1 + tests/sexpr2xmldata/sexpr2xml-bridge-ipaddr.xml| 1 + tests/sexpr2xmldata/sexpr2xml-curmem.xml | 1 + .../sexpr2xml-disk-block-shareable.xml | 1 + tests/sexpr2xmldata/sexpr2xml-disk-block.xml | 1 + .../sexpr2xml-disk-drv-blktap-qcow.xml | 1 + .../sexpr2xml-disk-drv-blktap-raw.xml | 1 + .../sexpr2xml-disk-drv-blktap2-raw.xml | 1 + tests/sexpr2xmldata/sexpr2xml-disk-file.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-autoport.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-empty-kernel.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-force-hpet.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-force-nohpet.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-kernel.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-localtime.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-net-netfront.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-parallel-tcp.xml | 1 + .../sexpr2xml-fv-serial-dev-2-ports.xml| 1 + .../sexpr2xml-fv-serial-dev-2nd-port.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-file.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-null.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-pipe.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-pty.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-stdio.xml | 1 + .../sexpr2xml-fv-serial-tcp-telnet.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-tcp.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-udp.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv-serial-unix.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-sound-all.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-sound.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-usbmouse.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-usbtablet.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-utc.xml | 1 + tests/sexpr2xmldata/sexpr2xml-fv-v2.xml| 1 + tests/sexpr2xmldata/sexpr2xml-fv.xml | 1 + tests/sexpr2xmldata/sexpr2xml-net-bridged.xml | 1 + tests/sexpr2xmldata/sexpr2xml-net-e1000.xml| 1 + tests/sexpr2xmldata/sexpr2xml-net-routed.xml | 1 + tests/sexpr2xmldata/sexpr2xml-no-source-cdrom.xml | 1 + tests/sexpr2xmldata/sexpr2xml-pci-devs.xml | 1 + .../sexpr2xml-pv-bootloader-cmdline.xml| 1 + tests/sexpr2xmldata/sexpr2xml-pv-bootloader.xml| 1 + tests/sexpr2xmldata/sexpr2xml-pv-localtime.xml | 1 + tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml | 1 + .../sexpr2xml-pv-vfb-new-vncdisplay.xml| 1 + tests/sexpr2xmldata/sexpr2xml-pv-vfb-new.xml | 1 + .../sexpr2xmldata/sexpr2xml-pv-vfb-type-crash.xml | 1 + tests/sexpr2xmldata/sexpr2xml-pv.xml | 1 + tests/sexpr2xmldata/sexpr2xml-vif-rate.xml | 1 + tests/xlconfigdata/test-channel-pty.xml| 1 + tests/xlconfigdata/test-channel-unix.xml | 1 + .../test-disk-positional-parms-full.xml| 1 + .../test-disk-positional-parms-partial.xml | 1 + tests/xlconfigdata/test-disk-qed.xml | 1 + ...est-fullvirt-direct-kernel-boot-bogus-extra.xml | 1 + .../test-fullvirt-direct-kernel-boot-extra.xml | 1 + .../test-fullvirt-direct-kernel-boot.xml | 1 + tests/xlconfigdata/test-fullvirt-hpet-timer.xml| 1 + tests/xlconfigdata/test-fullvirt-multi-timer.xml | 1 + tests/xlconfigdata/test-fullvirt-multiserial.xml | 1 + tests/xlconfigdata/test-fullvirt-multiusb.xml | 1 + .../test-fullvirt-nestedhvm-disabled.xml | 1 + tests/xlconfigdata/test-fullvirt-nestedhvm.xml | 1 + tests/xlconfigdata/test-fullvirt-nohap.xml | 1 + tests/xlconfigdata/test-fullvirt-ovmf.xml | 1 + tests/xlconfigdata/test-fullvirt-tsc-timer.xml | 1 + tests/xlconfigdata/test-fullvirt-vnuma.xml | 1 + tests/xlconfigdata/test-new-disk.xml | 1 + .../test-paravirt-cmdline-bogus-extra-root.xml | 1 + .../test-paravirt-cmdline-extra-root.xml | 1 + tests/xlconfigdata/test-paravirt-cmdline.xml | 1 + tests/xlconfigdata/test-paravirt-maxvcpus.xml | 1 + tests/xlconfigdata/test-rbd-multihost-noauth.xml | 1 + tests/xlconfigdata/test-spice-features.xml | 1 + tests/xlconfigdata/test-spice.xml | 1 + tests/xlconfigdata/test-usb.xml| 1 + tests/xlconfigdata/test-usbctrl.xml| 1 + tests/xlconfigda
