#ifndef PHYS_REGION_H
#define PHYS_REGION_H 1

#include <stddef.h>

#include "memtype.h"

typedef struct phys_region {
    struct phys_block   *ph;
    struct vir_region   *parent; /* vir_region or NULL if yielded */
    vir_bytes       offset; /* offset from start of vir region */
#if SANITYCHECKS
    int         written;    /* written to pagetable */
#endif

    /* what kind of memory is it? */
    mem_type_t              *memtype;

    /* list of phys_regions that reference the same phys_block */
    struct phys_region  *next_ph_list;
} phys_region_t;

#endif