[libvirt] [PATCH 3/3] vz: implement some domain API calls

[Dmitry Guryanov]

On 10/14/2015 12:50 PM, Maxim Nestratov wrote:
> From: Maxim Nestratov <mnestratov at virtuozzo.com>
>
> The following functions are implemented:
>
> vzDomainIsUpdated, vzDomainGetVcpusFlags and vzDomainGetMaxVcpus.
>
> Signed-off-by: Maxim Nestratov <mnestratov at virtuozzo.com>

ACK

> ---
>   src/vz/vz_driver.c |   53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 files changed, 53 insertions(+), 0 deletions(-)
>
> diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
> index 8a311ed..6557816 100644
> --- a/src/vz/vz_driver.c
> +++ b/src/vz/vz_driver.c
> @@ -1337,6 +1337,56 @@ vzDomainMemoryStats(virDomainPtr domain,
>       return ret;
>   }
>   
> +static int
> +vzDomainGetVcpusFlags(virDomainPtr dom,
> +                      unsigned int flags)
> +{
> +    virDomainObjPtr privdom = NULL;
> +    int ret = -1;
> +
> +    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
> +                  VIR_DOMAIN_AFFECT_CONFIG |
> +                  VIR_DOMAIN_VCPU_MAXIMUM, -1);
> +
> +    if (!(privdom = vzDomObjFromDomain(dom)))
> +        goto cleanup;
> +
> +    if (flags & VIR_DOMAIN_VCPU_MAXIMUM)
> +        ret = privdom->def->maxvcpus;
> +    else
> +        ret = privdom->def->vcpus;
> +
> + cleanup:
> +    if (privdom)
> +        virObjectUnlock(privdom);
> +
> +    return ret;
> +}
> +
> +static int vzDomainGetMaxVcpus(virDomainPtr dom)
> +{
> +    return vzDomainGetVcpusFlags(dom, (VIR_DOMAIN_AFFECT_LIVE |
> +                                       VIR_DOMAIN_VCPU_MAXIMUM));
> +}
> +
> +static int vzDomainIsUpdated(virDomainPtr dom)
> +{
> +    virDomainObjPtr privdom;
> +    int ret = -1;
> +
> +    /* As far as VZ domains are always updated (e.g. current==persistent),
> +     * we just check for domain existence */
> +    if (!(privdom = vzDomObjFromDomain(dom)))
> +        goto cleanup;
> +
> +    ret = 0;
> +
> + cleanup:
> +    if (privdom)
> +        virObjectUnlock(privdom);
> +    return ret;
> +}
> +
>   static int vzConnectGetMaxVcpus(virConnectPtr conn ATTRIBUTE_UNUSED,
>                                   const char *type)
>   {
> @@ -1437,6 +1487,9 @@ static virHypervisorDriver vzDriver = {
>       .domainDetachDevice = vzDomainDetachDevice, /* 1.2.15 */
>       .domainDetachDeviceFlags = vzDomainDetachDeviceFlags, /* 1.2.15 */
>       .domainIsActive = vzDomainIsActive, /* 1.2.10 */
> +    .domainIsUpdated = vzDomainIsUpdated,     /* 1.2.21 */
> +    .domainGetVcpusFlags = vzDomainGetVcpusFlags, /* 1.2.21 */
> +    .domainGetMaxVcpus = vzDomainGetMaxVcpus, /* 1.2.21 */
>       .connectDomainEventRegisterAny = vzConnectDomainEventRegisterAny, /* 1.2.10 */
>       .connectDomainEventDeregisterAny = vzConnectDomainEventDeregisterAny, /* 1.2.10 */
>       .nodeGetCPUMap = vzNodeGetCPUMap, /* 1.2.8 */