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-rw-r--r--include/sysemu/reset.h126
1 files changed, 0 insertions, 126 deletions
diff --git a/include/sysemu/reset.h b/include/sysemu/reset.h
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--- a/include/sysemu/reset.h
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-/*
- * Reset handlers.
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2016 Red Hat, Inc.
- * Copyright (c) 2024 Linaro, Ltd.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef QEMU_SYSEMU_RESET_H
-#define QEMU_SYSEMU_RESET_H
-
-#include "qapi/qapi-events-run-state.h"
-
-typedef void QEMUResetHandler(void *opaque);
-
-/**
- * qemu_register_resettable: Register an object to be reset
- * @obj: object to be reset: it must implement the Resettable interface
- *
- * Register @obj on the list of objects which will be reset when the
- * simulation is reset. These objects will be reset in the order
- * they were added, using the three-phase Resettable protocol,
- * so first all objects go through the enter phase, then all objects
- * go through the hold phase, and then finally all go through the
- * exit phase.
- *
- * It is not permitted to register or unregister reset functions or
- * resettable objects from within any of the reset phase methods of @obj.
- *
- * We assume that the caller holds the BQL.
- */
-void qemu_register_resettable(Object *obj);
-
-/**
- * qemu_unregister_resettable: Unregister an object to be reset
- * @obj: object to unregister
- *
- * Remove @obj from the list of objects which are reset when the
- * simulation is reset. It must have been previously added to
- * the list via qemu_register_resettable().
- *
- * We assume that the caller holds the BQL.
- */
-void qemu_unregister_resettable(Object *obj);
-
-/**
- * qemu_register_reset: Register a callback for system reset
- * @func: function to call
- * @opaque: opaque data to pass to @func
- *
- * Register @func on the list of functions which are called when the
- * entire system is reset. Functions registered with this API and
- * Resettable objects registered with qemu_register_resettable() are
- * handled together, in the order in which they were registered.
- * Functions registered with this API are called in the 'hold' phase
- * of the 3-phase reset.
- *
- * In general this function should not be used in new code where possible;
- * for instance, device model reset is better accomplished using the
- * methods on DeviceState.
- *
- * It is not permitted to register or unregister reset functions or
- * resettable objects from within the @func callback.
- *
- * We assume that the caller holds the BQL.
- */
-void qemu_register_reset(QEMUResetHandler *func, void *opaque);
-
-/**
- * qemu_register_reset_nosnapshotload: Register a callback for system reset
- * @func: function to call
- * @opaque: opaque data to pass to @func
- *
- * This is the same as qemu_register_reset(), except that @func is
- * not called if the reason that the system is being reset is to
- * put it into a clean state prior to loading a snapshot (i.e. for
- * SHUTDOWN_CAUSE_SNAPSHOT_LOAD).
- */
-void qemu_register_reset_nosnapshotload(QEMUResetHandler *func, void *opaque);
-
-/**
- * qemu_unregister_reset: Unregister a system reset callback
- * @func: function registered with qemu_register_reset()
- * @opaque: the same opaque data that was passed to qemu_register_reset()
- *
- * Undo the effects of a qemu_register_reset(). The @func and @opaque
- * must both match the arguments originally used with qemu_register_reset().
- *
- * We assume that the caller holds the BQL.
- */
-void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);
-
-/**
- * qemu_devices_reset: Perform a complete system reset
- * @reason: reason for the reset
- *
- * This function performs the low-level work needed to do a complete reset
- * of the system (calling all the callbacks registered with
- * qemu_register_reset() and resetting all the Resettable objects registered
- * with qemu_register_resettable()). It should only be called by the code in a
- * MachineClass reset method.
- *
- * If you want to trigger a system reset from, for instance, a device
- * model, don't use this function. Use qemu_system_reset_request().
- */
-void qemu_devices_reset(ShutdownCause reason);
-
-#endif