Re: [Qemu-ppc] [Qemu-devel] [PATCH for-2.9] qmp: Report QOM type name on query-cpu-definitions

[Markus Armbruster]

Eduardo Habkost <address@hidden> writes:

> The new typename attribute on query-cpu-definitions will be used
> to help management software use device-list-properties to check
> which properties can be set using -cpu or -global for the CPU
> model.
>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
>  qapi-schema.json            | 4 +++-
>  target-arm/helper.c         | 1 +
>  target-i386/cpu.c           | 1 +
>  target-ppc/translate_init.c | 1 +
>  target-s390x/cpu_models.c   | 1 +
>  5 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/qapi-schema.json b/qapi-schema.json
> index b0b4bf6..9a3bdd4 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -3216,6 +3216,8 @@
>  # @unavailable-features: #optional List of properties that prevent
>  #                        the CPU model from running in the current
>  #                        host. (since 2.8)
> +# @typename: Type name that can be used as argument to 
> @device-list-properties,
> +#            to introspect properties configurable using -cpu or -global.
>  #
>  # @unavailable-features is a list of QOM property names that
>  # represent CPU model attributes that prevent the CPU from running.
> @@ -3237,7 +3239,7 @@
>  ##
>  { 'struct': 'CpuDefinitionInfo',
>    'data': { 'name': 'str', '*migration-safe': 'bool', 'static': 'bool',
> -            '*unavailable-features': [ 'str' ] } }
> +            '*unavailable-features': [ 'str' ], 'typename': 'str' } }
>  
>  ##
>  # @query-cpu-definitions:
> diff --git a/target-arm/helper.c b/target-arm/helper.c
> index b5b65ca..3fc01b5 100644
> --- a/target-arm/helper.c
> +++ b/target-arm/helper.c
> @@ -5207,6 +5207,7 @@ static void arm_cpu_add_definition(gpointer data, 
> gpointer user_data)
>      info = g_malloc0(sizeof(*info));
>      info->name = g_strndup(typename,
>                             strlen(typename) - strlen("-" TYPE_ARM_CPU));
> +    info->q_typename = g_strdup(typename);
>  
>      entry = g_malloc0(sizeof(*entry));
>      entry->value = info;
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 6eec5dc..725f6cb 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -2239,6 +2239,7 @@ static void x86_cpu_definition_entry(gpointer data, 
> gpointer user_data)
>      info->name = x86_cpu_class_get_model_name(cc);
>      x86_cpu_class_check_missing_features(cc, &info->unavailable_features);
>      info->has_unavailable_features = true;
> +    info->q_typename = g_strdup(object_class_get_name(oc));
>  
>      entry = g_malloc0(sizeof(*entry));
>      entry->value = info;
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 208fa1e..42b9274 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -10305,6 +10305,7 @@ CpuDefinitionInfoList 
> *arch_query_cpu_definitions(Error **errp)
>  
>          info = g_malloc0(sizeof(*info));
>          info->name = g_strdup(alias->alias);
> +        info->q_typename = g_strdup(object_class_get_name(oc));
>  
>          entry = g_malloc0(sizeof(*entry));
>          entry->value = info;
> diff --git a/target-s390x/cpu_models.c b/target-s390x/cpu_models.c
> index c1e729d..5b66d33 100644
> --- a/target-s390x/cpu_models.c
> +++ b/target-s390x/cpu_models.c
> @@ -290,6 +290,7 @@ static void create_cpu_model_list(ObjectClass *klass, 
> void *opaque)
>      info->has_migration_safe = true;
>      info->migration_safe = scc->is_migration_safe;
>      info->q_static = scc->is_static;
> +    info->q_typename = g_strdup(object_class_get_name(klass));
>  
>  
>      entry = g_malloc0(sizeof(*entry));

A bit sad that the QOM type name needs to be computed in
target-dependent code.

With Eric's doc fix:
Reviewed-by: Markus Armbruster <address@hidden>