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Re: [Qemu-devel] [PATCH v2 4/6] qmp: Add runnability information to quer
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v2 4/6] qmp: Add runnability information to query-cpu-definitions |
Date: |
Wed, 22 Jun 2016 11:00:47 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Eduardo Habkost <address@hidden> writes:
> 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 <address@hidden>
> Cc: Michael Mueller <address@hidden>
> Cc: Christian Borntraeger <address@hidden>
> Cc: Cornelia Huck <address@hidden>
> Cc: Jiri Denemark <address@hidden>
> Cc: address@hidden
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
> Changes v1 -> v2:
> * Remove @runnable field, non-empty @unavailable-features is
> enough to report CPU model as not runnable.
> * Documentation updates:
> * Changed to "(since 2.7)";
> * Add more details about the exact meaning of
> unavailable-features, and what it would mean to see
> read-only QOM properties in the list, and that
> implementations can return "type" if there's
> no extra information available;
> ---
> qapi-schema.json | 23 ++++++++++++++++++++++-
> 1 file changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 8483bdf..43478e9 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -3005,11 +3005,32 @@
> # Virtual CPU definition.
> #
> # @name: the name of the CPU definition
> +# @unavailable-features: #optional List of properties that prevent
> +# the CPU model from running in the current
> +# host. (since 2.7)
> +#
> +# @unavailable-features is a list of QOM property names that
> +# represent CPU model attributes that prevent the CPU from running.
> +# If the QOM property is read-only, that means there's no known
> +# way to make the CPU model run in the current host. If
> +# absolutely no extra information will be returned to explain why
Suggest "can be returned".
> +# the CPU model is not runnable, implementations may simply
> +# return "type" as the property name.
> +# If the property is read-write, it means that it MAY be possible
> +# to run the CPU model in the current host if that property is
> +# changed. Management software can use it as hints to suggest or
> +# choose an alternative for the user, or just to generate meaningful
> +# error messages explaining why the CPU model can't be used.
> +# If @unavailable-features is an empty list, the CPU model is
> +# runnable using the current host and machine-type.
> +# If @unavailable-features is not present, runnability
> +# information for the CPU is not available.
> #
> # Since: 1.2.0
> ##
> { 'struct': 'CpuDefinitionInfo',
> - 'data': { 'name': 'str' } }
> + 'data': { 'name': 'str',
> + '*unavailable-features': [ 'str' ] } }
>
> ##
> # @query-cpu-definitions:
With the commit message tidied up as per your reply to Jiri:
Reviewed-by: Markus Armbruster <address@hidden>
- [Qemu-devel] [PATCH v2 0/6] Add runnability info to query-cpu-definitions, Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 2/6] target-i386: Move warning code outside x86_cpu_filter_features(), Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 3/6] target-i386: Define CPUID filtering functions before x86_cpu_list(), Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 1/6] target-i386: List CPU models using subclass list, Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 6/6] target-i386: Return runnability information on query-cpu-definitions, Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 4/6] qmp: Add runnability information to query-cpu-definitions, Eduardo Habkost, 2016/06/06
- [Qemu-devel] [PATCH v2 5/6] target-i386: Use "-" instead of "_" on all feature names, Eduardo Habkost, 2016/06/06
- Re: [Qemu-devel] [PATCH v2 0/6] Add runnability info to query-cpu-definitions, Eduardo Habkost, 2016/06/20