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[Qemu-devel] [PULL 09/21] qmp: Add runnability information to query-cpu-

From: Eduardo Habkost
Subject: [Qemu-devel] [PULL 09/21] qmp: Add runnability information to query-cpu-definitions
Date: Mon, 17 Oct 2016 15:51:26 -0200

Add a new optional field to query-cpu-definitions schema:
"unavailable-features". It will contain a list of QOM properties
that prevent 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
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
 qapi-schema.json | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index ded1179..5a8ec38 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3101,10 +3101,31 @@
 #          QEMU version, machine type, machine options and accelerator options.
 #          A static model is always migration-safe. (since 2.8)
+# @unavailable-features: #optional List of properties that prevent
+#                        the CPU model from running in the current
+#                        host. (since 2.8)
+# @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. Implementations
+# that choose not to provide specific information return the
+# property name "type".
+# 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', '*migration-safe': 'bool', 'static': 'bool' } }
+  'data': { 'name': 'str', '*migration-safe': 'bool', 'static': 'bool',
+            '*unavailable-features': [ 'str' ] } }
 # @query-cpu-definitions:

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