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 "qemu/queue.h" 18 19 typedef void (QmpCommandFunc)(QDict *, QObject **, Error **); 20 21 typedef enum QmpCommandOptions 22 { 23 QCO_NO_OPTIONS = 0x0, 24 QCO_NO_SUCCESS_RESP = (1U << 0), 25 QCO_ALLOW_OOB = (1U << 1), 26 QCO_ALLOW_PRECONFIG = (1U << 2), 27 } QmpCommandOptions; 28 29 typedef struct QmpCommand 30 { 31 const char *name; 32 QmpCommandFunc *fn; 33 QmpCommandOptions options; 34 QTAILQ_ENTRY(QmpCommand) node; 35 bool enabled; 36 } QmpCommand; 37 38 typedef QTAILQ_HEAD(QmpCommandList, QmpCommand) QmpCommandList; 39 40 void qmp_register_command(QmpCommandList *cmds, const char *name, 41 QmpCommandFunc *fn, QmpCommandOptions options); 42 void qmp_unregister_command(QmpCommandList *cmds, const char *name); 43 QmpCommand *qmp_find_command(QmpCommandList *cmds, const char *name); 44 QObject *qmp_dispatch(QmpCommandList *cmds, QObject *request); 45 void qmp_disable_command(QmpCommandList *cmds, const char *name); 46 void qmp_enable_command(QmpCommandList *cmds, const char *name); 47 48 bool qmp_command_is_enabled(const QmpCommand *cmd); 49 const char *qmp_command_name(const QmpCommand *cmd); 50 bool qmp_has_success_response(const QmpCommand *cmd); 51 QObject *qmp_build_error_object(Error *err); 52 QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp); 53 bool qmp_is_oob(QDict *dict); 54 55 typedef void (*qmp_cmd_callback_fn)(QmpCommand *cmd, void *opaque); 56 57 void qmp_for_each_command(QmpCommandList *cmds, qmp_cmd_callback_fn fn, 58 void *opaque); 59 60 #endif 61