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- /* -*- c -*-
- * linux/include/linux/auto_fs4.h
- *
- * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
- *
- * This file is part of the Linux kernel and is made available under
- * the terms of the GNU General Public License, version 2, or at your
- * option, any later version, incorporated herein by reference.
- */
-
- #ifndef _LINUX_AUTO_FS4_H
- #define _LINUX_AUTO_FS4_H
-
- /* Include common v3 definitions */
- #include <linux/auto_fs.h>
-
- /* autofs v4 definitions */
- #undef AUTOFS_PROTO_VERSION
- #undef AUTOFS_MIN_PROTO_VERSION
- #undef AUTOFS_MAX_PROTO_VERSION
-
- #define AUTOFS_PROTO_VERSION 5
- #define AUTOFS_MIN_PROTO_VERSION 3
- #define AUTOFS_MAX_PROTO_VERSION 5
-
- #define AUTOFS_PROTO_SUBVERSION 0
-
- /* Mask for expire behaviour */
- #define AUTOFS_EXP_IMMEDIATE 1
- #define AUTOFS_EXP_LEAVES 2
-
- /* Daemon notification packet types */
- enum autofs_notify {
- NFY_NONE,
- NFY_MOUNT,
- NFY_EXPIRE
- };
-
- /* Kernel protocol version 4 packet types */
-
- /* Expire entry (umount request) */
- #define autofs_ptype_expire_multi 2
-
- /* Kernel protocol version 5 packet types */
-
- /* Indirect mount missing and expire requests. */
- #define autofs_ptype_missing_indirect 3
- #define autofs_ptype_expire_indirect 4
-
- /* Direct mount missing and expire requests */
- #define autofs_ptype_missing_direct 5
- #define autofs_ptype_expire_direct 6
-
- /* v4 multi expire (via pipe) */
- struct autofs_packet_expire_multi {
- struct autofs_packet_hdr hdr;
- autofs_wqt_t wait_queue_token;
- int len;
- char name[NAME_MAX+1];
- };
-
- union autofs_packet_union {
- struct autofs_packet_hdr hdr;
- struct autofs_packet_missing missing;
- struct autofs_packet_expire expire;
- struct autofs_packet_expire_multi expire_multi;
- };
-
- /* autofs v5 common packet struct */
- struct autofs_v5_packet {
- struct autofs_packet_hdr hdr;
- autofs_wqt_t wait_queue_token;
- __u32 dev;
- __u64 ino;
- __u32 uid;
- __u32 gid;
- __u32 pid;
- __u32 tgid;
- __u32 len;
- char name[NAME_MAX+1];
- };
-
- typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
- typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
- typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
- typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
-
- union autofs_v5_packet_union {
- struct autofs_packet_hdr hdr;
- struct autofs_v5_packet v5_packet;
- autofs_packet_missing_indirect_t missing_indirect;
- autofs_packet_expire_indirect_t expire_indirect;
- autofs_packet_missing_direct_t missing_direct;
- autofs_packet_expire_direct_t expire_direct;
- };
-
- #define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int)
- #define AUTOFS_IOC_EXPIRE_INDIRECT AUTOFS_IOC_EXPIRE_MULTI
- #define AUTOFS_IOC_EXPIRE_DIRECT AUTOFS_IOC_EXPIRE_MULTI
- #define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int)
- #define AUTOFS_IOC_ASKUMOUNT _IOR(0x93,0x70,int)
-
-
- #endif /* _LINUX_AUTO_FS4_H */
-