/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Copyright 1997 Transmeta Corporation - All Rights Reserved * Copyright 1999-2000 Jeremy Fitzhardinge <[email protected]> * Copyright 2005-2006,2013,2017-2018 Ian Kent <[email protected]> * * 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 _UAPI_LINUX_AUTO_FS_H #define _UAPI_LINUX_AUTO_FS_H #include <linux/types.h> #include <linux/limits.h> #ifndef __KERNEL__ #include <sys/ioctl.h> #endif /* __KERNEL__ */ #define AUTOFS_PROTO_VERSION … #define AUTOFS_MIN_PROTO_VERSION … #define AUTOFS_MAX_PROTO_VERSION … #define AUTOFS_PROTO_SUBVERSION … /* * The wait_queue_token (autofs_wqt_t) is part of a structure which is passed * back to the kernel via ioctl from userspace. On architectures where 32- and * 64-bit userspace binaries can be executed it's important that the size of * autofs_wqt_t stays constant between 32- and 64-bit Linux kernels so that we * do not break the binary ABI interface by changing the structure size. */ #if defined(__ia64__) || defined(__alpha__) /* pure 64bit architectures */ typedef unsigned long autofs_wqt_t; #else autofs_wqt_t; #endif /* Packet types */ #define autofs_ptype_missing … #define autofs_ptype_expire … struct autofs_packet_hdr { … }; struct autofs_packet_missing { … }; /* v3 expire (via ioctl) */ struct autofs_packet_expire { … }; #define AUTOFS_IOCTL … enum { … }; #define AUTOFS_IOC_READY … #define AUTOFS_IOC_FAIL … #define AUTOFS_IOC_CATATONIC … #define AUTOFS_IOC_PROTOVER … #define AUTOFS_IOC_SETTIMEOUT32 … #define AUTOFS_IOC_SETTIMEOUT … #define AUTOFS_IOC_EXPIRE … /* autofs version 4 and later definitions */ /* Mask for expire behaviour */ #define AUTOFS_EXP_NORMAL … #define AUTOFS_EXP_IMMEDIATE … #define AUTOFS_EXP_LEAVES … #define AUTOFS_EXP_FORCED … #define AUTOFS_TYPE_ANY … #define AUTOFS_TYPE_INDIRECT … #define AUTOFS_TYPE_DIRECT … #define AUTOFS_TYPE_OFFSET … static inline void set_autofs_type_indirect(unsigned int *type) { … } static inline unsigned int autofs_type_indirect(unsigned int type) { … } static inline void set_autofs_type_direct(unsigned int *type) { … } static inline unsigned int autofs_type_direct(unsigned int type) { … } static inline void set_autofs_type_offset(unsigned int *type) { … } static inline unsigned int autofs_type_offset(unsigned int type) { … } static inline unsigned int autofs_type_trigger(unsigned int type) { … } /* * This isn't really a type as we use it to say "no type set" to * indicate we want to search for "any" mount in the * autofs_dev_ioctl_ismountpoint() device ioctl function. */ static inline void set_autofs_type_any(unsigned int *type) { … } static inline unsigned int autofs_type_any(unsigned int type) { … } /* Daemon notification packet types */ enum autofs_notify { … }; /* Kernel protocol version 4 packet types */ /* Expire entry (umount request) */ #define autofs_ptype_expire_multi … /* Kernel protocol version 5 packet types */ /* Indirect mount missing and expire requests. */ #define autofs_ptype_missing_indirect … #define autofs_ptype_expire_indirect … /* Direct mount missing and expire requests */ #define autofs_ptype_missing_direct … #define autofs_ptype_expire_direct … /* v4 multi expire (via pipe) */ struct autofs_packet_expire_multi { … }; autofs_packet_union; /* autofs v5 common packet struct */ struct autofs_v5_packet { … }; autofs_packet_missing_indirect_t; autofs_packet_expire_indirect_t; autofs_packet_missing_direct_t; autofs_packet_expire_direct_t; autofs_v5_packet_union; enum { … }; #define AUTOFS_IOC_EXPIRE_MULTI … #define AUTOFS_IOC_PROTOSUBVER … #define AUTOFS_IOC_ASKUMOUNT … #endif /* _UAPI_LINUX_AUTO_FS_H */
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