Rename: include/device.h -> include/ntfs/device.h
(Logical change 1.280)edge.strict_endians
parent
14e54a2347
commit
bb8f192c25
|
@ -0,0 +1,110 @@
|
|||
/*
|
||||
* device.h - Exports for low level device io. Part of the Linux-NTFS project.
|
||||
*
|
||||
* Copyright (c) 2000-2004 Anton Altaparmakov
|
||||
*
|
||||
* This program/include file is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program/include file is distributed in the hope that it will be
|
||||
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program (in the main directory of the Linux-NTFS
|
||||
* distribution in the file COPYING); if not, write to the Free Software
|
||||
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef _NTFS_DEVICE_H
|
||||
#define _NTFS_DEVICE_H
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include "device_io.h"
|
||||
#include "types.h"
|
||||
#include "support.h"
|
||||
#include "volume.h"
|
||||
|
||||
/*
|
||||
* Defined bits for the state field in the ntfs_device structure.
|
||||
*/
|
||||
typedef enum {
|
||||
ND_Open, /* 1: Device is open. */
|
||||
ND_ReadOnly, /* 1: Device is read-only. */
|
||||
ND_Dirty, /* 1: Device is dirty, needs sync. */
|
||||
} ntfs_device_state_bits;
|
||||
|
||||
#define test_ndev_flag(nd, flag) test_bit(ND_##flag, (nd)->d_state)
|
||||
#define set_ndev_flag(nd, flag) set_bit(ND_##flag, (nd)->d_state)
|
||||
#define clear_ndev_flag(nd, flag) clear_bit(ND_##flag, (nd)->d_state)
|
||||
|
||||
#define NDevOpen(nd) test_ndev_flag(nd, Open)
|
||||
#define NDevSetOpen(nd) set_ndev_flag(nd, Open)
|
||||
#define NDevClearOpen(nd) clear_ndev_flag(nd, Open)
|
||||
|
||||
#define NDevReadOnly(nd) test_ndev_flag(nd, ReadOnly)
|
||||
#define NDevSetReadOnly(nd) set_ndev_flag(nd, ReadOnly)
|
||||
#define NDevClearReadOnly(nd) clear_ndev_flag(nd, ReadOnly)
|
||||
|
||||
#define NDevDirty(nd) test_ndev_flag(nd, Dirty)
|
||||
#define NDevSetDirty(nd) set_ndev_flag(nd, Dirty)
|
||||
#define NDevClearDirty(nd) clear_ndev_flag(nd, Dirty)
|
||||
|
||||
/*
|
||||
* The ntfs device structure defining all operations needed to access the low
|
||||
* level device underlying the ntfs volume.
|
||||
*/
|
||||
struct ntfs_device {
|
||||
struct ntfs_device_operations *d_ops; /* Device operations. */
|
||||
unsigned long d_state; /* State of the device. */
|
||||
char *d_name; /* Name of device. */
|
||||
void *d_private; /* Private data used by the
|
||||
device operations. */
|
||||
};
|
||||
|
||||
/*
|
||||
* The ntfs device operations defining all operations that can be performed on
|
||||
* the low level device described by a ntfs device structure.
|
||||
*/
|
||||
struct ntfs_device_operations {
|
||||
int (*open)(struct ntfs_device *dev, int flags);
|
||||
int (*close)(struct ntfs_device *dev);
|
||||
s64 (*seek)(struct ntfs_device *dev, s64 offset, int whence);
|
||||
s64 (*read)(struct ntfs_device *dev, void *buf, s64 count);
|
||||
s64 (*write)(struct ntfs_device *dev, const void *buf, s64 count);
|
||||
s64 (*pread)(struct ntfs_device *dev, void *buf, s64 count, s64 offset);
|
||||
s64 (*pwrite)(struct ntfs_device *dev, const void *buf, s64 count,
|
||||
s64 offset);
|
||||
int (*sync)(struct ntfs_device *dev);
|
||||
int (*stat)(struct ntfs_device *dev, struct stat *buf);
|
||||
int (*ioctl)(struct ntfs_device *dev, int request, void *argp);
|
||||
};
|
||||
|
||||
extern struct ntfs_device *ntfs_device_alloc(const char *name, const long state,
|
||||
struct ntfs_device_operations *dops, void *private);
|
||||
extern int ntfs_device_free(struct ntfs_device *dev);
|
||||
|
||||
extern s64 ntfs_pread(struct ntfs_device *dev, const s64 pos, s64 count,
|
||||
void *b);
|
||||
extern s64 ntfs_pwrite(struct ntfs_device *dev, const s64 pos, s64 count,
|
||||
const void *b);
|
||||
|
||||
extern s64 ntfs_mst_pread(struct ntfs_device *dev, const s64 pos, s64 count,
|
||||
const u32 bksize, void *b);
|
||||
extern s64 ntfs_mst_pwrite(struct ntfs_device *dev, const s64 pos, s64 count,
|
||||
const u32 bksize, void *b);
|
||||
|
||||
extern s64 ntfs_cluster_read(const ntfs_volume *vol, const s64 lcn,
|
||||
const s64 count, void *b);
|
||||
extern s64 ntfs_cluster_write(const ntfs_volume *vol, const s64 lcn,
|
||||
const s64 count, const void *b);
|
||||
|
||||
extern s64 ntfs_device_size_get(struct ntfs_device *dev, int block_size);
|
||||
|
||||
#endif /* defined _NTFS_DEVICE_H */
|
Loading…
Reference in New Issue