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