Accelerators patches for 2025-07-15

[PULL 04/17] qapi/machine: Add @qom-type field to CpuInfoFast structure

Philippe Mathieu-Daudé posted 17 patches 4 months ago

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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Phil Dennis-Jordan <phil@philjordan.eu>, Mads Ynddal <mads@ynddal.dk>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony PERARD <anthony@xenproject.org>, Paul Durrant <paul@xen.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Alex Bennée" <alex.bennee@linaro.org>, "Dr. David Alan Gilbert" <dave@treblig.org>, Peter Maydell <peter.maydell@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, Reinoud Zandijk <reinoud@netbsd.org>, Sunil Muthuswamy <sunilmut@microsoft.com>

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[PULL 04/17] qapi/machine: Add @qom-type field to CpuInfoFast structure

Posted by Philippe Mathieu-Daudé 4 months ago

Knowing the QOM type name of a CPU can be useful,
in particular to infer its model name.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20250715090624.52377-2-philmd@linaro.org>
---
 qapi/machine.json          | 3 +++
 hw/core/machine-qmp-cmds.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/qapi/machine.json b/qapi/machine.json
index f80ba264b53..6d3a480bea3 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -76,6 +76,8 @@
 #
 # @cpu-index: index of the virtual CPU
 #
+# @qom-type: QOM type name of the CPU (since 10.1)
+#
 # @qom-path: path to the CPU object in the QOM tree
 #
 # @thread-id: ID of the underlying host thread
@@ -89,6 +91,7 @@
 ##
 { 'union'         : 'CpuInfoFast',
   'base'          : { 'cpu-index'    : 'int',
+                      'qom-type'     : 'str',
                       'qom-path'     : 'str',
                       'thread-id'    : 'int',
                       '*props'       : 'CpuInstanceProperties',
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index 1af0f29f7d3..b9e7eb64e02 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -48,6 +48,7 @@ CpuInfoFastList *qmp_query_cpus_fast(Error **errp)
         value->cpu_index = cpu->cpu_index;
         value->qom_path = object_get_canonical_path(OBJECT(cpu));
         value->thread_id = cpu->thread_id;
+        value->qom_type = g_strdup(object_get_typename(OBJECT(cpu)));
 
         if (mc->cpu_index_to_instance_props) {
             CpuInstanceProperties *props;
-- 
2.49.0