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[libvirt] [PATCH 5/7] qapi: add query-cpudefs command



This command attempts to map to the behavior of -cpu ?.  Unfortunately, the
output of this command differs wildly across targets.

To accomodate this, we use a weak symbol to implement a default version of the
command that fails with a QERR_NOT_SUPPORTED error code.  Targets can then
override and implement this command if it makes sense for them.

Signed-off-by: Anthony Liguori <aliguori us ibm com>
---
 qapi-schema.json |   23 +++++++++++++++++++++++
 qmp-commands.hx  |    6 ++++++
 qmp.c            |    6 ++++++
 3 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index 5b47026..768fb44 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2228,3 +2228,26 @@
 # Since: 1.2.0
 ##
 { 'command': 'query-machines', 'returns': ['MachineInfo'] }
+
+##
+# @CpuDefInfo:
+#
+# Virtual CPU definition.
+#
+# @name: the name of the CPU definition
+#
+# Since: 1.2.0
+##
+{ 'type': 'CpuDefInfo',
+  'data': { 'name': 'str' } }
+
+##
+# @query-cpudefs:
+#
+# Return a list of supported virtual CPU definitions
+#
+# Returns: a list of CpuDefInfo
+#
+# Since: 1.2.0
+##
+{ 'command': 'query-cpudefs', 'returns': ['CpuDefInfo'] }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index a6f82fc..73dfeab 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -2228,3 +2228,9 @@ EQMP
         .mhandler.cmd_new = qmp_marshal_input_query_machines,
     },
 
+    {
+        .name       = "query-cpudefs",
+        .args_type  = "",
+        .mhandler.cmd_new = qmp_marshal_input_query_cpudefs,
+    },
+
diff --git a/qmp.c b/qmp.c
index 254a32f..51b4f75 100644
--- a/qmp.c
+++ b/qmp.c
@@ -467,3 +467,9 @@ DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
 
     return prop_list;
 }
+
+CpuDefInfoList GCC_WEAK *qmp_query_cpudefs(Error **errp)
+{
+    error_set(errp, QERR_NOT_SUPPORTED);
+    return NULL;
+}
-- 
1.7.5.4


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