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- /* -*- linux-c -*- ------------------------------------------------------- *
- *
- * linux/include/linux/auto_fs.h
- *
- * Copyright 1997 Transmeta Corporation - All Rights Reserved
- *
- * 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_FS_H
- #define _LINUX_AUTO_FS_H
-
- #include <linux/version.h>
- #include <linux/fs.h>
- #include <linux/limits.h>
- #include <linux/ioctl.h>
- #include <asm/types.h>
-
- #define AUTOFS_PROTO_VERSION 3
-
- /*
- * Architectures where both 32- and 64-bit binaries can be executed
- * on 64-bit kernels need this. This keeps the structure format
- * uniform, and makes sure the wait_queue_token isn't too big to be
- * passed back down to the kernel.
- *
- * This assumes that on these architectures:
- * mode 32 bit 64 bit
- * -------------------------
- * int 32 bit 32 bit
- * long 32 bit 64 bit
- *
- * If so, 32-bit user-space code should be backwards compatible.
- */
-
- #if defined(__sparc__) || defined(__mips__)
- typedef unsigned int autofs_wqt_t;
- #else
- typedef unsigned long autofs_wqt_t;
- #endif
-
- enum autofs_packet_type {
- autofs_ptype_missing, /* Missing entry (mount request) */
- autofs_ptype_expire, /* Expire entry (umount request) */
- };
-
- struct autofs_packet_hdr {
- int proto_version; /* Protocol version */
- enum autofs_packet_type type; /* Type of packet */
- };
-
- struct autofs_packet_missing {
- struct autofs_packet_hdr hdr;
- autofs_wqt_t wait_queue_token;
- int len;
- char name[NAME_MAX+1];
- };
-
- struct autofs_packet_expire {
- struct autofs_packet_hdr hdr;
- int len;
- char name[NAME_MAX+1];
- };
-
- #define AUTOFS_IOC_READY _IO(0x93,0x60)
- #define AUTOFS_IOC_FAIL _IO(0x93,0x61)
- #define AUTOFS_IOC_CATATONIC _IO(0x93,0x62)
- #define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int)
- #define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long)
- #define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire)
-
- #ifdef __KERNEL__
-
- /* Init function */
- int init_autofs_fs(void);
-
- #endif /* __KERNEL__ */
-
- #endif /* _LINUX_AUTO_FS_H */
-