[libvirt] [PATCH 2/2] qemu: add hv_crash support

[Dmitry Guryanov]

On 10/26/2015 01:23 PM, Dmitry Andreev wrote:
> XML:
> <features>
>    <hyperv>
>      <crash state='on'/>
>    </hyperv>
> </features>
>
> QEMU command line:
> qemu -cpu <cpu_model>,hv_crash

ACK from me, but I think someone else should look at these patches.

> ---
>   src/qemu/qemu_command.c                            | 2 ++
>   tests/qemuxml2argvdata/qemuxml2argv-hyperv-off.xml | 1 +
>   tests/qemuxml2argvdata/qemuxml2argv-hyperv.args    | 4 ++--
>   tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml     | 1 +
>   4 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 8824541..e0693af 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -7643,6 +7643,7 @@ qemuBuildCpuArgStr(virQEMUDriverPtr driver,
>               switch ((virDomainHyperv) i) {
>               case VIR_DOMAIN_HYPERV_RELAXED:
>               case VIR_DOMAIN_HYPERV_VAPIC:
> +            case VIR_DOMAIN_HYPERV_CRASH:
>                   if (def->hyperv_features[i] == VIR_TRISTATE_SWITCH_ON)
>                       virBufferAsprintf(&buf, ",hv_%s",
>                                         virDomainHypervTypeToString(i));
> @@ -12826,6 +12827,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
>               switch ((virDomainHyperv) f) {
>               case VIR_DOMAIN_HYPERV_RELAXED:
>               case VIR_DOMAIN_HYPERV_VAPIC:
> +            case VIR_DOMAIN_HYPERV_CRASH:
>                   if (value) {
>                       virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
>                                      _("HyperV feature '%s' should not "
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hyperv-off.xml b/tests/qemuxml2argvdata/qemuxml2argv-hyperv-off.xml
> index 4ec16d5..7c0b02b 100644
> --- a/tests/qemuxml2argvdata/qemuxml2argv-hyperv-off.xml
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-hyperv-off.xml
> @@ -14,6 +14,7 @@
>         <relaxed state='off'/>
>         <vapic state='off'/>
>         <spinlocks state='off'/>
> +      <crash state='off'/>
>       </hyperv>
>     </features>
>     <clock offset='utc'/>
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.args b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.args
> index 91b3570..d278acc 100644
> --- a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.args
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.args
> @@ -1,5 +1,5 @@
>   LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
>   /usr/bin/qemu -S -M pc \
> --cpu qemu32,hv_relaxed,hv_vapic,hv_spinlocks=0x2fff -m 214 -smp 6 -nographic -monitor \
> -unix:/tmp/test-monitor,server,nowait -boot n -usb -net none -serial none \
> +-cpu qemu32,hv_relaxed,hv_vapic,hv_spinlocks=0x2fff,hv_crash -m 214 -smp 6 -nographic \
> +-monitor unix:/tmp/test-monitor,server,nowait -boot n -usb -net none -serial none \
>   -parallel none
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
> index 5b80040..1740ebf 100644
> --- a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
> @@ -14,6 +14,7 @@
>         <relaxed state='on'/>
>         <vapic state='on'/>
>         <spinlocks state='on' retries='12287'/>
> +      <crash state='on'/>
>       </hyperv>
>     </features>
>     <clock offset='utc'/>