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-rw-r--r--hmp-commands-info.hx14
-rw-r--r--hmp.c9
-rw-r--r--hmp.h1
-rw-r--r--hw/acpi/vmgenid.c16
-rw-r--r--qapi-schema.json20
-rw-r--r--stubs/Makefile.objs1
-rw-r--r--stubs/vmgenid.c9
7 files changed, 70 insertions, 0 deletions
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index b0f35e6829..a53f105c52 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -802,6 +802,20 @@ Show information about hotpluggable CPUs
ETEXI
STEXI
+@item info vm-generation-id
+@findex vm-generation-id
+Show Virtual Machine Generation ID
+ETEXI
+
+ {
+ .name = "vm-generation-id",
+ .args_type = "",
+ .params = "",
+ .help = "Show Virtual Machine Generation ID",
+ .cmd = hmp_info_vm_generation_id,
+ },
+
+STEXI
@end table
ETEXI
diff --git a/hmp.c b/hmp.c
index 83e287e0a4..aadbcf507f 100644
--- a/hmp.c
+++ b/hmp.c
@@ -2576,3 +2576,12 @@ void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
qapi_free_HotpluggableCPUList(saved);
}
+
+void hmp_info_vm_generation_id(Monitor *mon, const QDict *qdict)
+{
+ GuidInfo *info = qmp_query_vm_generation_id(NULL);
+ if (info) {
+ monitor_printf(mon, "%s\n", info->guid);
+ }
+ qapi_free_GuidInfo(info);
+}
diff --git a/hmp.h b/hmp.h
index 05daf7cd5c..799fd371fa 100644
--- a/hmp.h
+++ b/hmp.h
@@ -137,5 +137,6 @@ void hmp_rocker_of_dpa_flows(Monitor *mon, const QDict *qdict);
void hmp_rocker_of_dpa_groups(Monitor *mon, const QDict *qdict);
void hmp_info_dump(Monitor *mon, const QDict *qdict);
void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict);
+void hmp_info_vm_generation_id(Monitor *mon, const QDict *qdict);
#endif
diff --git a/hw/acpi/vmgenid.c b/hw/acpi/vmgenid.c
index c8465df790..744f2847da 100644
--- a/hw/acpi/vmgenid.c
+++ b/hw/acpi/vmgenid.c
@@ -240,3 +240,19 @@ static void vmgenid_register_types(void)
}
type_init(vmgenid_register_types)
+
+GuidInfo *qmp_query_vm_generation_id(Error **errp)
+{
+ GuidInfo *info;
+ VmGenIdState *vms;
+ Object *obj = find_vmgenid_dev();
+
+ if (!obj) {
+ return NULL;
+ }
+ vms = VMGENID(obj);
+
+ info = g_malloc0(sizeof(*info));
+ info->guid = qemu_uuid_unparse_strdup(&vms->guid);
+ return info;
+}
diff --git a/qapi-schema.json b/qapi-schema.json
index d6186d4c9e..84692da9e9 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -6188,3 +6188,23 @@
#
##
{ 'command': 'query-hotpluggable-cpus', 'returns': ['HotpluggableCPU'] }
+
+##
+# @GuidInfo:
+#
+# GUID information.
+#
+# @guid: the globally unique identifier
+#
+# Since: 2.9
+##
+{ 'struct': 'GuidInfo', 'data': {'guid': 'str'} }
+
+##
+# @query-vm-generation-id:
+#
+# Show Virtual Machine Generation ID
+#
+# Since 2.9
+##
+{ 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index aa6050f406..224f04ba69 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -36,3 +36,4 @@ stub-obj-y += qmp_pc_dimm_device_list.o
stub-obj-y += target-monitor-defs.o
stub-obj-y += target-get-monitor-def.o
stub-obj-y += pc_madt_cpu_entry.o
+stub-obj-y += vmgenid.o
diff --git a/stubs/vmgenid.c b/stubs/vmgenid.c
new file mode 100644
index 0000000000..c64eb7a16e
--- /dev/null
+++ b/stubs/vmgenid.c
@@ -0,0 +1,9 @@
+#include "qemu/osdep.h"
+#include "qmp-commands.h"
+#include "qapi/qmp/qerror.h"
+
+GuidInfo *qmp_query_vm_generation_id(Error **errp)
+{
+ error_setg(errp, QERR_UNSUPPORTED);
+ return NULL;
+}