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 * Michael Roth <mdroth@us.ibm.com> 9 * 10 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 11 * See the COPYING.LIB file in the top-level directory. 12 * 13 */ 14 15 #include "qemu/osdep.h" 16 #include "qapi/qmp/dispatch.h" 17 18 void qmp_register_command(QmpCommandList *cmds, const char *name, 19 QmpCommandFunc *fn, QmpCommandOptions options) 20 { 21 QmpCommand *cmd = g_malloc0(sizeof(*cmd)); 22 23 /* QCO_COROUTINE and QCO_ALLOW_OOB are incompatible for now */ 24 assert(!((options & QCO_COROUTINE) && (options & QCO_ALLOW_OOB))); 25 26 cmd->name = name; 27 cmd->fn = fn; 28 cmd->enabled = true; 29 cmd->options = options; 30 QTAILQ_INSERT_TAIL(cmds, cmd, node); 31 } 32 33 const QmpCommand *qmp_find_command(const QmpCommandList *cmds, const char *name) 34 { 35 QmpCommand *cmd; 36 37 QTAILQ_FOREACH(cmd, cmds, node) { 38 if (strcmp(cmd->name, name) == 0) { 39 return cmd; 40 } 41 } 42 return NULL; 43 } 44 45 static void qmp_toggle_command(QmpCommandList *cmds, const char *name, 46 bool enabled) 47 { 48 QmpCommand *cmd; 49 50 QTAILQ_FOREACH(cmd, cmds, node) { 51 if (strcmp(cmd->name, name) == 0) { 52 cmd->enabled = enabled; 53 return; 54 } 55 } 56 } 57 58 void qmp_disable_command(QmpCommandList *cmds, const char *name) 59 { 60 qmp_toggle_command(cmds, name, false); 61 } 62 63 void qmp_enable_command(QmpCommandList *cmds, const char *name) 64 { 65 qmp_toggle_command(cmds, name, true); 66 } 67 68 bool qmp_command_is_enabled(const QmpCommand *cmd) 69 { 70 return cmd->enabled; 71 } 72 73 const char *qmp_command_name(const QmpCommand *cmd) 74 { 75 return cmd->name; 76 } 77 78 bool qmp_has_success_response(const QmpCommand *cmd) 79 { 80 return !(cmd->options & QCO_NO_SUCCESS_RESP); 81 } 82 83 void qmp_for_each_command(const QmpCommandList *cmds, qmp_cmd_callback_fn fn, 84 void *opaque) 85 { 86 const QmpCommand *cmd; 87 88 QTAILQ_FOREACH(cmd, cmds, node) { 89 fn(cmd, opaque); 90 } 91 } 92