diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 3bffee99d4..422144bcff 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -3051,3 +3051,9 @@ GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
 
     return NULL;
 }
+
+GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
+{
+    error_setg(errp, QERR_UNSUPPORTED);
+    return NULL;
+}
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 0c33d48aaa..f7bdd5a8b5 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -2458,3 +2458,9 @@ GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
     }
     return head;
 }
+
+GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
+{
+    error_setg(errp, QERR_UNSUPPORTED);
+    return NULL;
+}
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index fe10631e4c..e123a000be 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -865,6 +865,37 @@
            'bus': 'int', 'target': 'int', 'unit': 'int',
            '*serial': 'str', '*dev': 'str'} }
 
+##
+# @GuestDiskInfo:
+#
+# @name: device node (Linux) or device UNC (Windows)
+# @partition: whether this is a partition or disk
+# @dependents: list of dependent devices; e.g. for LVs of the LVM this will
+#              hold the list of PVs, for LUKS encrypted volume this will
+#              contain the disk where the volume is placed.     (Linux)
+# @address: disk address information (only for non-virtual devices)
+# @alias: optional alias assigned to the disk, on Linux this is a name assigned
+#         by device mapper
+#
+# Since 5.2
+##
+{ 'struct': 'GuestDiskInfo',
+  'data': {'name': 'str', 'partition': 'bool', 'dependents': ['str'],
+           '*address': 'GuestDiskAddress', '*alias': 'str'} }
+
+##
+# @guest-get-disks:
+#
+# Returns: The list of disks in the guest. For Windows these are only the
+#          physical disks. On Linux these are all root block devices of
+#          non-zero size including e.g. removable devices, loop devices,
+#          NBD, etc.
+#
+# Since: 5.2
+##
+{ 'command': 'guest-get-disks',
+  'returns': ['GuestDiskInfo'] }
+
 ##
 # @GuestFilesystemInfo:
 #