| 1 |
13 |
serginhofr |
/* -*- linux-c -*- ------------------------------------------------------- *
|
| 2 |
|
|
*
|
| 3 |
|
|
* linux/include/linux/auto_fs.h
|
| 4 |
|
|
*
|
| 5 |
|
|
* Copyright 1997 Transmeta Corporation - All Rights Reserved
|
| 6 |
|
|
*
|
| 7 |
|
|
* This file is part of the Linux kernel and is made available under
|
| 8 |
|
|
* the terms of the GNU General Public License, version 2, or at your
|
| 9 |
|
|
* option, any later version, incorporated herein by reference.
|
| 10 |
|
|
*
|
| 11 |
|
|
* ----------------------------------------------------------------------- */
|
| 12 |
|
|
|
| 13 |
|
|
|
| 14 |
|
|
#ifndef _LINUX_AUTO_FS_H
|
| 15 |
|
|
#define _LINUX_AUTO_FS_H
|
| 16 |
|
|
|
| 17 |
|
|
#include <linux/types.h>
|
| 18 |
|
|
#include <sys/ioctl.h>
|
| 19 |
|
|
|
| 20 |
|
|
|
| 21 |
|
|
/* This file describes autofs v3 */
|
| 22 |
|
|
#define AUTOFS_PROTO_VERSION 3
|
| 23 |
|
|
|
| 24 |
|
|
/* Range of protocol versions defined */
|
| 25 |
|
|
#define AUTOFS_MAX_PROTO_VERSION AUTOFS_PROTO_VERSION
|
| 26 |
|
|
#define AUTOFS_MIN_PROTO_VERSION AUTOFS_PROTO_VERSION
|
| 27 |
|
|
|
| 28 |
|
|
/*
|
| 29 |
|
|
* The wait_queue_token (autofs_wqt_t) is part of a structure which is passed
|
| 30 |
|
|
* back to the kernel via ioctl from userspace. On architectures where 32- and
|
| 31 |
|
|
* 64-bit userspace binaries can be executed it's important that the size of
|
| 32 |
|
|
* autofs_wqt_t stays constant between 32- and 64-bit Linux kernels so that we
|
| 33 |
|
|
* do not break the binary ABI interface by changing the structure size.
|
| 34 |
|
|
*/
|
| 35 |
|
|
#if defined(__ia64__) || defined(__alpha__) /* pure 64bit architectures */
|
| 36 |
|
|
typedef unsigned long autofs_wqt_t;
|
| 37 |
|
|
#else
|
| 38 |
|
|
typedef unsigned int autofs_wqt_t;
|
| 39 |
|
|
#endif
|
| 40 |
|
|
|
| 41 |
|
|
/* Packet types */
|
| 42 |
|
|
#define autofs_ptype_missing 0 /* Missing entry (mount request) */
|
| 43 |
|
|
#define autofs_ptype_expire 1 /* Expire entry (umount request) */
|
| 44 |
|
|
|
| 45 |
|
|
struct autofs_packet_hdr {
|
| 46 |
|
|
int proto_version; /* Protocol version */
|
| 47 |
|
|
int type; /* Type of packet */
|
| 48 |
|
|
};
|
| 49 |
|
|
|
| 50 |
|
|
struct autofs_packet_missing {
|
| 51 |
|
|
struct autofs_packet_hdr hdr;
|
| 52 |
|
|
autofs_wqt_t wait_queue_token;
|
| 53 |
|
|
int len;
|
| 54 |
|
|
char name[NAME_MAX+1];
|
| 55 |
|
|
};
|
| 56 |
|
|
|
| 57 |
|
|
/* v3 expire (via ioctl) */
|
| 58 |
|
|
struct autofs_packet_expire {
|
| 59 |
|
|
struct autofs_packet_hdr hdr;
|
| 60 |
|
|
int len;
|
| 61 |
|
|
char name[NAME_MAX+1];
|
| 62 |
|
|
};
|
| 63 |
|
|
|
| 64 |
|
|
#define AUTOFS_IOC_READY _IO(0x93,0x60)
|
| 65 |
|
|
#define AUTOFS_IOC_FAIL _IO(0x93,0x61)
|
| 66 |
|
|
#define AUTOFS_IOC_CATATONIC _IO(0x93,0x62)
|
| 67 |
|
|
#define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int)
|
| 68 |
|
|
#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,compat_ulong_t)
|
| 69 |
|
|
#define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long)
|
| 70 |
|
|
#define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire)
|
| 71 |
|
|
|
| 72 |
|
|
#endif /* _LINUX_AUTO_FS_H */
|
