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Re: [Qemu-devel] [PATCH v2 2/2] qapi: keep names in 'CpuInstanceProperti


From: Igor Mammedov
Subject: Re: [Qemu-devel] [PATCH v2 2/2] qapi: keep names in 'CpuInstanceProperties' in sync with struct CPUCore
Date: Fri, 24 Jun 2016 07:32:40 +0200

On Thu, 23 Jun 2016 23:23:34 +0200
Peter Krempa <address@hidden> wrote:

> struct CPUCore uses 'id' suffix in the property name. As docs for
> query-hotpluggable-cpus state that the cpu core properties should be
> passed back to device_add by management in case new members are added
> and thus the names for the fields should be kept in sync.
> 
> Signed-off-by: Peter Krempa <address@hidden>
> ---
>  hmp.c                 | 16 ++++++++--------
>  hw/ppc/spapr.c        |  4 ++--
>  include/hw/cpu/core.h |  3 +++
>  qapi-schema.json      | 19 ++++++++++---------
>  4 files changed, 23 insertions(+), 19 deletions(-)
> 
> diff --git a/hmp.c b/hmp.c
> index 997a768..925601a 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -2457,17 +2457,17 @@ void hmp_hotpluggable_cpus(Monitor *mon,
> const QDict *qdict)
> 
>          c = l->value->props;
>          monitor_printf(mon, "  CPUInstance Properties:\n");
> -        if (c->has_node) {
> -            monitor_printf(mon, "    node: \"%" PRIu64 "\"\n",
> c->node);
> +        if (c->has_node_id) {
> +            monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n",
> c->node_id); }
> -        if (c->has_socket) {
> -            monitor_printf(mon, "    socket: \"%" PRIu64 "\"\n",
> c->socket);
> +        if (c->has_socket_id) {
> +            monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n",
> c->socket_id); }
> -        if (c->has_core) {
> -            monitor_printf(mon, "    core: \"%" PRIu64 "\"\n",
> c->core);
> +        if (c->has_core_id) {
> +            monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n",
> c->core_id); }
> -        if (c->has_thread) {
> -            monitor_printf(mon, "    thread: \"%" PRIu64 "\"\n",
> c->thread);
> +        if (c->has_thread_id) {
> +            monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n",
> c->thread_id); }
> 
>          l = l->next;
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 778fa25..0b6bb9c 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -2367,8 +2367,8 @@ static HotpluggableCPUList
> *spapr_query_hotpluggable_cpus(MachineState *machine)
> 
>          cpu_item->type = spapr_get_cpu_core_type(machine->cpu_model);
>          cpu_item->vcpus_count = smp_threads;
> -        cpu_props->has_core = true;
> -        cpu_props->core = i * smt;
> +        cpu_props->has_core_id = true;
> +        cpu_props->core_id = i * smt;
>          /* TODO: add 'has_node/node' here to describe
>             to which node core belongs */
> 
> diff --git a/include/hw/cpu/core.h b/include/hw/cpu/core.h
> index 4540a7d..79ac79c 100644
> --- a/include/hw/cpu/core.h
> +++ b/include/hw/cpu/core.h
> @@ -26,6 +26,9 @@ typedef struct CPUCore {
>      int nr_threads;
>  } CPUCore;
> 
> +/* Note: topology field names need to be kept in sync with
> + * 'CpuInstanceProperties' */
> +
>  #define CPU_CORE_PROP_CORE_ID "core-id"
> 
>  #endif
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 24ede28..d0c4be1 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -4267,20 +4267,21 @@
>  # Note: currently there are 4 properties that could be present
>  # but management should be prepared to pass through other
>  # properties with device_add command to allow for future
> -# interface extension.
> +# interface extension. This also requires the filed names to be kept
> in sync +# sync with the properties passed to -device/device_add.
>  #
> -# @node: #optional NUMA node ID the CPU belongs to
> -# @socket: #optional socket number within node/board the CPU belongs
> to -# @core: #optional core number within socket the CPU belongs to
> -# @thread: #optional thread number within core the CPU belongs to
> +# @node-id: #optional NUMA node ID the CPU belongs to
> +# @socket-id: #optional socket number within node/board the CPU
> belongs to +# @core-id: #optional core number within socket the CPU
> belongs to +# @thread-id: #optional thread number within core the CPU
> belongs to #
>  # Since: 2.7
>  ##
>  { 'struct': 'CpuInstanceProperties',
> -  'data': { '*node': 'int',
> -            '*socket': 'int',
> -            '*core': 'int',
> -            '*thread': 'int'
> +  'data': { '*node-id': 'int',
> +            '*socket-id': 'int',
> +            '*core-id': 'int',
> +            '*thread-id': 'int'
>    }
>  }
> 

Reviewed-by: Igor Mammedov <address@hidden>



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