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04f22362f1
This patch adds a new 'coroutine' flag to QMP command definitions that tells the QMP dispatcher that the command handler is safe to be run in a coroutine. The documentation of the new flag pretends that this flag is already used as intended, which it isn't yet after this patch. We'll implement this in another patch in this series. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201005155855.256490-9-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* Core Definitions for QAPI/QMP Dispatch
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef QAPI_QMP_DISPATCH_H
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#define QAPI_QMP_DISPATCH_H
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#include "monitor/monitor.h"
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#include "qemu/queue.h"
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typedef void (QmpCommandFunc)(QDict *, QObject **, Error **);
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typedef enum QmpCommandOptions
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{
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QCO_NO_OPTIONS = 0x0,
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QCO_NO_SUCCESS_RESP = (1U << 0),
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QCO_ALLOW_OOB = (1U << 1),
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QCO_ALLOW_PRECONFIG = (1U << 2),
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QCO_COROUTINE = (1U << 3),
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} QmpCommandOptions;
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typedef struct QmpCommand
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{
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const char *name;
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QmpCommandFunc *fn;
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QmpCommandOptions options;
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QTAILQ_ENTRY(QmpCommand) node;
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bool enabled;
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} QmpCommand;
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typedef QTAILQ_HEAD(QmpCommandList, QmpCommand) QmpCommandList;
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void qmp_register_command(QmpCommandList *cmds, const char *name,
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QmpCommandFunc *fn, QmpCommandOptions options);
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const QmpCommand *qmp_find_command(const QmpCommandList *cmds,
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const char *name);
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void qmp_disable_command(QmpCommandList *cmds, const char *name);
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void qmp_enable_command(QmpCommandList *cmds, const char *name);
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bool qmp_command_is_enabled(const QmpCommand *cmd);
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const char *qmp_command_name(const QmpCommand *cmd);
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bool qmp_has_success_response(const QmpCommand *cmd);
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QDict *qmp_error_response(Error *err);
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QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
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bool allow_oob, Monitor *cur_mon);
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bool qmp_is_oob(const QDict *dict);
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typedef void (*qmp_cmd_callback_fn)(const QmpCommand *cmd, void *opaque);
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void qmp_for_each_command(const QmpCommandList *cmds, qmp_cmd_callback_fn fn,
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void *opaque);
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#endif
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