78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
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/*
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* Reset container
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*
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* Copyright (c) 2024 Linaro, Ltd
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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/*
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* The "reset container" is an object which implements the Resettable
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* interface. It contains a list of arbitrary other objects which also
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* implement Resettable. Resetting the reset container resets all the
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* objects in it.
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*/
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#include "qemu/osdep.h"
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#include "hw/resettable.h"
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#include "hw/core/resetcontainer.h"
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struct ResettableContainer {
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Object parent;
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ResettableState reset_state;
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GPtrArray *children;
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};
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OBJECT_DEFINE_SIMPLE_TYPE_WITH_INTERFACES(ResettableContainer, resettable_container, RESETTABLE_CONTAINER, OBJECT, { TYPE_RESETTABLE_INTERFACE }, { })
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void resettable_container_add(ResettableContainer *rc, Object *obj)
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{
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INTERFACE_CHECK(void, obj, TYPE_RESETTABLE_INTERFACE);
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g_ptr_array_add(rc->children, obj);
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}
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void resettable_container_remove(ResettableContainer *rc, Object *obj)
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{
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g_ptr_array_remove(rc->children, obj);
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}
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static ResettableState *resettable_container_get_state(Object *obj)
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{
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ResettableContainer *rc = RESETTABLE_CONTAINER(obj);
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return &rc->reset_state;
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}
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static void resettable_container_child_foreach(Object *obj,
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ResettableChildCallback cb,
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void *opaque, ResetType type)
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{
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ResettableContainer *rc = RESETTABLE_CONTAINER(obj);
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unsigned int len = rc->children->len;
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for (unsigned int i = 0; i < len; i++) {
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cb(g_ptr_array_index(rc->children, i), opaque, type);
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/* Detect callbacks trying to unregister themselves */
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assert(len == rc->children->len);
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}
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}
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static void resettable_container_init(Object *obj)
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{
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ResettableContainer *rc = RESETTABLE_CONTAINER(obj);
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rc->children = g_ptr_array_new();
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}
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static void resettable_container_finalize(Object *obj)
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{
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}
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static void resettable_container_class_init(ObjectClass *klass, void *data)
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{
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ResettableClass *rc = RESETTABLE_CLASS(klass);
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rc->get_state = resettable_container_get_state;
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rc->child_foreach = resettable_container_child_foreach;
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}
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