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#pragma once
#include "proc/kmutex.h"
#include "util/atomic.h"
#include "util/list.h"
#include "mm/pframe.h"
struct pframe;
struct mobj;
typedef enum
{
MOBJ_VNODE = 1,
MOBJ_SHADOW,
MOBJ_ANON,
#ifdef OLD
MOBJ_BLOCKDEV,
#else
MOBJ_FS,
#endif
} mobj_type_t;
typedef struct mobj_ops
{
long (*get_pframe)(struct mobj *o, uint64_t pagenum, long forwrite,
struct pframe **pfp);
long (*fill_pframe)(struct mobj *o, struct pframe *pf);
long (*flush_pframe)(struct mobj *o, struct pframe *pf);
void (*destructor)(struct mobj *o);
} mobj_ops_t;
typedef struct mobj
{
long mo_type;
struct mobj_ops mo_ops;
atomic_t mo_refcount;
list_t mo_pframes;
kmutex_t mo_mutex;
} mobj_t;
void mobj_init(mobj_t *o, long type, mobj_ops_t *ops);
void mobj_lock(mobj_t *o);
void mobj_unlock(mobj_t *o);
void mobj_ref(mobj_t *o);
void mobj_put(mobj_t **op);
void mobj_put_locked(mobj_t **op);
long mobj_get_pframe(mobj_t *o, uint64_t pagenum, long forwrite,
struct pframe **pfp);
void mobj_find_pframe(mobj_t *o, uint64_t pagenum, struct pframe **pfp);
long mobj_flush_pframe(mobj_t *o, struct pframe *pf);
long mobj_flush(mobj_t *o);
long mobj_free_pframe(mobj_t *o, struct pframe **pfp);
long mobj_default_get_pframe(mobj_t *o, uint64_t pagenum, long forwrite,
struct pframe **pfp);
void mobj_default_destructor(mobj_t *o);
#ifndef OLD
void mobj_create_pframe(mobj_t *o, uint64_t pagenum, uint64_t loc, pframe_t **pfp);
#endif
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