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Re: [libvirt] [PATCH 7/9] qmp: Add runnability information to query-cpu-definitions



On 05/06/2016 12:11 PM, Eduardo Habkost wrote:
> Extend query-cpu-definitions schema to allow it to return two new
> optional fields: "runnable" and "unavailable-features".
> "runnable" will tell if the CPU model can be run in the current
> host. "unavailable-features" will contain a list of CPU
> properties that are preventing the CPU model from running in the
> current host.
> 
> Cc: David Hildenbrand <dahi linux vnet ibm com>
> Cc: Michael Mueller <mimu linux vnet ibm com>
> Cc: Christian Borntraeger <borntraeger de ibm com>
> Cc: Cornelia Huck <cornelia huck de ibm com>
> Cc: Jiri Denemark <jdenemar redhat com>
> Cc: libvir-list redhat com
> Signed-off-by: Eduardo Habkost <ehabkost redhat com>
> ---
>  qapi-schema.json | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 54634c4..450e6e7 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -2948,11 +2948,19 @@
>  # Virtual CPU definition.
>  #
>  # @name: the name of the CPU definition
> +# @runnable: true if the CPU model is runnable using the current
> +#            machine and accelerator. Optional. Since 2.6.

You've missed 2.6.  Also, the typical spelling for a per-member
designation is '(since 2.7)', not 'Since 2.7'

Why is it optional? Would it hurt to always be present in qemu new
enough to understand why it is needed?

> +# @unavailable-features: List of properties that prevent the CPU
> +#                        model from running in the current host,
> +#                        if @runnable is false. Optional.
> +#                        Since 2.6.
>  #
>  # Since: 1.2.0
>  ##
>  { 'struct': 'CpuDefinitionInfo',
> -  'data': { 'name': 'str' } }
> +  'data': { 'name': 'str',
> +            '*runnable': 'bool',
> +            '*unavailable-features': [ 'str' ] } }
>  
>  ##
>  # @query-cpu-definitions:
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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