backing_object.h

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#pragma once
 
#include "di/container/intrusive/prelude.h"
#include "di/sync/prelude.h"
#include "iris/core/interruptible_spinlock.h"
#include "iris/mm/physical_address.h"
#include "iris/mm/physical_page.h"
 
namespace iris::mm {
class LockedBackingObject {
public:
    void add_page(mm::PhysicalAddress address, u64 page_offset);
    auto lookup_page(u64 page_offset) const -> di::Optional<mm::PhysicalAddress>;
 
private:
    di::IntrusiveTreeSet<BackedPhysicalPage, BackedPhysicalPageTreeTag> m_pages;
};
 
class BackingObject
    : public di::IntrusiveRefCount<BackingObject>
    , public di::Synchronized<LockedBackingObject, InterruptibleSpinlock> {};
}