haiku/headers/private/kernel/vm_translation_map.h

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/*
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef KERNEL_VM_TRANSLATION_MAP_H
#define KERNEL_VM_TRANSLATION_MAP_H
#include <kernel.h>
#include <lock.h>
struct kernel_args;
typedef struct vm_translation_map_struct {
struct vm_translation_map_struct *next;
struct vm_translation_map_ops_struct *ops;
recursive_lock lock;
int map_count;
struct vm_translation_map_arch_info_struct *arch_data;
} vm_translation_map;
// table of operations the vm may want to do to this mapping
typedef struct vm_translation_map_ops_struct {
void (*destroy)(vm_translation_map *);
int (*lock)(vm_translation_map*);
int (*unlock)(vm_translation_map*);
int (*map)(vm_translation_map *map, addr va, addr pa, unsigned int attributes);
int (*unmap)(vm_translation_map *map, addr start, addr end);
int (*query)(vm_translation_map *map, addr va, addr *out_physical, unsigned int *out_flags);
addr (*get_mapped_size)(vm_translation_map*);
int (*protect)(vm_translation_map *map, addr base, addr top, unsigned int attributes);
int (*clear_flags)(vm_translation_map *map, addr va, unsigned int flags);
void (*flush)(vm_translation_map *map);
int (*get_physical_page)(addr physical_address, addr *out_virtual_address, int flags);
int (*put_physical_page)(addr virtual_address);
} vm_translation_map_ops;
// ToDo: fix this
// unlike the usual habit, the VM translation map functions are
// arch-specific but do not have the arch_ prefix.
#include <arch/vm_translation_map.h>
#endif /* KERNEL_VM_TRANSLATION_MAP_H */