xref: /openbmc/qemu/include/qapi/qmp/dispatch.h (revision 4a09d0bb)
1 /*
2  * Core Definitions for QAPI/QMP Dispatch
3  *
4  * Copyright IBM, Corp. 2011
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10  * See the COPYING.LIB file in the top-level directory.
11  *
12  */
13 
14 #ifndef QAPI_QMP_DISPATCH_H
15 #define QAPI_QMP_DISPATCH_H
16 
17 #include "qapi/qmp/qobject.h"
18 #include "qapi/qmp/qdict.h"
19 
20 typedef void (QmpCommandFunc)(QDict *, QObject **, Error **);
21 
22 typedef enum QmpCommandOptions
23 {
24     QCO_NO_OPTIONS = 0x0,
25     QCO_NO_SUCCESS_RESP = 0x1,
26 } QmpCommandOptions;
27 
28 typedef struct QmpCommand
29 {
30     const char *name;
31     QmpCommandFunc *fn;
32     QmpCommandOptions options;
33     QTAILQ_ENTRY(QmpCommand) node;
34     bool enabled;
35 } QmpCommand;
36 
37 void qmp_register_command(const char *name, QmpCommandFunc *fn,
38                           QmpCommandOptions options);
39 void qmp_unregister_command(const char *name);
40 QmpCommand *qmp_find_command(const char *name);
41 QObject *qmp_dispatch(QObject *request);
42 void qmp_disable_command(const char *name);
43 void qmp_enable_command(const char *name);
44 bool qmp_command_is_enabled(const QmpCommand *cmd);
45 const char *qmp_command_name(const QmpCommand *cmd);
46 bool qmp_has_success_response(const QmpCommand *cmd);
47 QObject *qmp_build_error_object(Error *err);
48 typedef void (*qmp_cmd_callback_fn)(QmpCommand *cmd, void *opaque);
49 void qmp_for_each_command(qmp_cmd_callback_fn fn, void *opaque);
50 
51 #endif
52