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qapi: Generalize command policy checking
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CommitLineData
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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
cbf21151 15#include "qemu/osdep.h"
7b1b5d19 16#include "qapi/qmp/dispatch.h"
43c20a43 17
1527badb 18void qmp_register_command(QmpCommandList *cmds, const char *name,
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19 QmpCommandFunc *fn, QmpCommandOptions options,
20 unsigned special_features)
43c20a43 21{
7267c094 22 QmpCommand *cmd = g_malloc0(sizeof(*cmd));
43c20a43 23
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24 /* QCO_COROUTINE and QCO_ALLOW_OOB are incompatible for now */
25 assert(!((options & QCO_COROUTINE) && (options & QCO_ALLOW_OOB)));
26
43c20a43 27 cmd->name = name;
43c20a43 28 cmd->fn = fn;
abd6cf6d 29 cmd->enabled = true;
d34b867d 30 cmd->options = options;
6604e475 31 cmd->special_features = special_features;
1527badb 32 QTAILQ_INSERT_TAIL(cmds, cmd, node);
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33}
34
f0ccc00b 35const QmpCommand *qmp_find_command(const QmpCommandList *cmds, const char *name)
43c20a43 36{
abd6cf6d 37 QmpCommand *cmd;
43c20a43 38
1527badb 39 QTAILQ_FOREACH(cmd, cmds, node) {
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40 if (strcmp(cmd->name, name) == 0) {
41 return cmd;
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42 }
43 }
44 return NULL;
45}
abd6cf6d 46
1527badb 47static void qmp_toggle_command(QmpCommandList *cmds, const char *name,
c98939da 48 bool enabled, const char *disable_reason)
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49{
50 QmpCommand *cmd;
51
1527badb 52 QTAILQ_FOREACH(cmd, cmds, node) {
abd6cf6d 53 if (strcmp(cmd->name, name) == 0) {
f22d85e9 54 cmd->enabled = enabled;
c98939da 55 cmd->disable_reason = disable_reason;
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56 return;
57 }
58 }
59}
60
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61void qmp_disable_command(QmpCommandList *cmds, const char *name,
62 const char *disable_reason)
f22d85e9 63{
c98939da 64 qmp_toggle_command(cmds, name, false, disable_reason);
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65}
66
1527badb 67void qmp_enable_command(QmpCommandList *cmds, const char *name)
f22d85e9 68{
c98939da 69 qmp_toggle_command(cmds, name, true, NULL);
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70}
71
8dc4d915 72bool qmp_command_is_enabled(const QmpCommand *cmd)
bf95c0d5 73{
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74 return cmd->enabled;
75}
bf95c0d5 76
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77const char *qmp_command_name(const QmpCommand *cmd)
78{
79 return cmd->name;
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80}
81
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82bool qmp_has_success_response(const QmpCommand *cmd)
83{
84 return !(cmd->options & QCO_NO_SUCCESS_RESP);
85}
86
f0ccc00b 87void qmp_for_each_command(const QmpCommandList *cmds, qmp_cmd_callback_fn fn,
1527badb 88 void *opaque)
abd6cf6d 89{
f0ccc00b 90 const QmpCommand *cmd;
abd6cf6d 91
1527badb 92 QTAILQ_FOREACH(cmd, cmds, node) {
8dc4d915 93 fn(cmd, opaque);
abd6cf6d 94 }
abd6cf6d 95}