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1da177e4 LT |
1 | /* -*- c -*- |
2 | * linux/include/linux/auto_fs4.h | |
3 | * | |
4 | * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org> | |
5 | * | |
6 | * This file is part of the Linux kernel and is made available under | |
7 | * the terms of the GNU General Public License, version 2, or at your | |
8 | * option, any later version, incorporated herein by reference. | |
9 | */ | |
10 | ||
11 | #ifndef _LINUX_AUTO_FS4_H | |
12 | #define _LINUX_AUTO_FS4_H | |
13 | ||
14 | /* Include common v3 definitions */ | |
15 | #include <linux/auto_fs.h> | |
16 | ||
17 | /* autofs v4 definitions */ | |
18 | #undef AUTOFS_PROTO_VERSION | |
19 | #undef AUTOFS_MIN_PROTO_VERSION | |
20 | #undef AUTOFS_MAX_PROTO_VERSION | |
21 | ||
22 | #define AUTOFS_PROTO_VERSION 4 | |
23 | #define AUTOFS_MIN_PROTO_VERSION 3 | |
24 | #define AUTOFS_MAX_PROTO_VERSION 4 | |
25 | ||
8a966191 | 26 | #define AUTOFS_PROTO_SUBVERSION 7 |
1da177e4 LT |
27 | |
28 | /* Mask for expire behaviour */ | |
29 | #define AUTOFS_EXP_IMMEDIATE 1 | |
30 | #define AUTOFS_EXP_LEAVES 2 | |
31 | ||
32 | /* New message type */ | |
33 | #define autofs_ptype_expire_multi 2 /* Expire entry (umount request) */ | |
34 | ||
35 | /* v4 multi expire (via pipe) */ | |
36 | struct autofs_packet_expire_multi { | |
37 | struct autofs_packet_hdr hdr; | |
38 | autofs_wqt_t wait_queue_token; | |
39 | int len; | |
40 | char name[NAME_MAX+1]; | |
41 | }; | |
42 | ||
43 | union autofs_packet_union { | |
44 | struct autofs_packet_hdr hdr; | |
45 | struct autofs_packet_missing missing; | |
46 | struct autofs_packet_expire expire; | |
47 | struct autofs_packet_expire_multi expire_multi; | |
48 | }; | |
49 | ||
50 | #define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int) | |
51 | #define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int) | |
52 | #define AUTOFS_IOC_ASKREGHOST _IOR(0x93,0x68,int) | |
53 | #define AUTOFS_IOC_TOGGLEREGHOST _IOR(0x93,0x69,int) | |
54 | #define AUTOFS_IOC_ASKUMOUNT _IOR(0x93,0x70,int) | |
55 | ||
56 | ||
57 | #endif /* _LINUX_AUTO_FS4_H */ |