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The C and C++ Include Header Files

/usr/include/linux/auto_dev-ioctl.h


$ cat -n /usr/include/linux/auto_dev-ioctl.h

     1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
     2	/*
     3	 * Copyright 2008 Red Hat, Inc. All rights reserved.
     4	 * Copyright 2008 Ian Kent <raven@themaw.net>
     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_DEV_IOCTL_H
    12	#define _LINUX_AUTO_DEV_IOCTL_H
    13	
    14	#include <linux/auto_fs.h>
    15	#include <linux/string.h>
    16	
    17	#define AUTOFS_DEVICE_NAME		"autofs"
    18	
    19	#define AUTOFS_DEV_IOCTL_VERSION_MAJOR	1
    20	#define AUTOFS_DEV_IOCTL_VERSION_MINOR	1
    21	
    22	#define AUTOFS_DEV_IOCTL_SIZE		sizeof(struct autofs_dev_ioctl)
    23	
    24	/*
    25	 * An ioctl interface for autofs mount point control.
    26	 */
    27	
    28	struct args_protover {
    29		__u32	version;
    30	};
    31	
    32	struct args_protosubver {
    33		__u32	sub_version;
    34	};
    35	
    36	struct args_openmount {
    37		__u32	devid;
    38	};
    39	
    40	struct args_ready {
    41		__u32	token;
    42	};
    43	
    44	struct args_fail {
    45		__u32	token;
    46		__s32	status;
    47	};
    48	
    49	struct args_setpipefd {
    50		__s32	pipefd;
    51	};
    52	
    53	struct args_timeout {
    54		__u64	timeout;
    55	};
    56	
    57	struct args_requester {
    58		__u32	uid;
    59		__u32	gid;
    60	};
    61	
    62	struct args_expire {
    63		__u32	how;
    64	};
    65	
    66	struct args_askumount {
    67		__u32	may_umount;
    68	};
    69	
    70	struct args_ismountpoint {
    71		union {
    72			struct args_in {
    73				__u32	type;
    74			} in;
    75			struct args_out {
    76				__u32	devid;
    77				__u32	magic;
    78			} out;
    79		};
    80	};
    81	
    82	/*
    83	 * All the ioctls use this structure.
    84	 * When sending a path size must account for the total length
    85	 * of the chunk of memory otherwise it is the size of the
    86	 * structure.
    87	 */
    88	
    89	struct autofs_dev_ioctl {
    90		__u32 ver_major;
    91		__u32 ver_minor;
    92		__u32 size;		/* total size of data passed in
    93					 * including this struct */
    94		__s32 ioctlfd;		/* automount command fd */
    95	
    96		/* Command parameters */
    97	
    98		union {
    99			struct args_protover		protover;
   100			struct args_protosubver		protosubver;
   101			struct args_openmount		openmount;
   102			struct args_ready		ready;
   103			struct args_fail		fail;
   104			struct args_setpipefd		setpipefd;
   105			struct args_timeout		timeout;
   106			struct args_requester		requester;
   107			struct args_expire		expire;
   108			struct args_askumount		askumount;
   109			struct args_ismountpoint	ismountpoint;
   110		};
   111	
   112		char path[];
   113	};
   114	
   115	static __inline__ void init_autofs_dev_ioctl(struct autofs_dev_ioctl *in)
   116	{
   117		memset(in, 0, AUTOFS_DEV_IOCTL_SIZE);
   118		in->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;
   119		in->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;
   120		in->size = AUTOFS_DEV_IOCTL_SIZE;
   121		in->ioctlfd = -1;
   122	}
   123	
   124	enum {
   125		/* Get various version info */
   126		AUTOFS_DEV_IOCTL_VERSION_CMD = 0x71,
   127		AUTOFS_DEV_IOCTL_PROTOVER_CMD,
   128		AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD,
   129	
   130		/* Open mount ioctl fd */
   131		AUTOFS_DEV_IOCTL_OPENMOUNT_CMD,
   132	
   133		/* Close mount ioctl fd */
   134		AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD,
   135	
   136		/* Mount/expire status returns */
   137		AUTOFS_DEV_IOCTL_READY_CMD,
   138		AUTOFS_DEV_IOCTL_FAIL_CMD,
   139	
   140		/* Activate/deactivate autofs mount */
   141		AUTOFS_DEV_IOCTL_SETPIPEFD_CMD,
   142		AUTOFS_DEV_IOCTL_CATATONIC_CMD,
   143	
   144		/* Expiry timeout */
   145		AUTOFS_DEV_IOCTL_TIMEOUT_CMD,
   146	
   147		/* Get mount last requesting uid and gid */
   148		AUTOFS_DEV_IOCTL_REQUESTER_CMD,
   149	
   150		/* Check for eligible expire candidates */
   151		AUTOFS_DEV_IOCTL_EXPIRE_CMD,
   152	
   153		/* Request busy status */
   154		AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD,
   155	
   156		/* Check if path is a mountpoint */
   157		AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD,
   158	};
   159	
   160	#define AUTOFS_DEV_IOCTL_VERSION \
   161		_IOWR(AUTOFS_IOCTL, \
   162		      AUTOFS_DEV_IOCTL_VERSION_CMD, struct autofs_dev_ioctl)
   163	
   164	#define AUTOFS_DEV_IOCTL_PROTOVER \
   165		_IOWR(AUTOFS_IOCTL, \
   166		      AUTOFS_DEV_IOCTL_PROTOVER_CMD, struct autofs_dev_ioctl)
   167	
   168	#define AUTOFS_DEV_IOCTL_PROTOSUBVER \
   169		_IOWR(AUTOFS_IOCTL, \
   170		      AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD, struct autofs_dev_ioctl)
   171	
   172	#define AUTOFS_DEV_IOCTL_OPENMOUNT \
   173		_IOWR(AUTOFS_IOCTL, \
   174		      AUTOFS_DEV_IOCTL_OPENMOUNT_CMD, struct autofs_dev_ioctl)
   175	
   176	#define AUTOFS_DEV_IOCTL_CLOSEMOUNT \
   177		_IOWR(AUTOFS_IOCTL, \
   178		      AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD, struct autofs_dev_ioctl)
   179	
   180	#define AUTOFS_DEV_IOCTL_READY \
   181		_IOWR(AUTOFS_IOCTL, \
   182		      AUTOFS_DEV_IOCTL_READY_CMD, struct autofs_dev_ioctl)
   183	
   184	#define AUTOFS_DEV_IOCTL_FAIL \
   185		_IOWR(AUTOFS_IOCTL, \
   186		      AUTOFS_DEV_IOCTL_FAIL_CMD, struct autofs_dev_ioctl)
   187	
   188	#define AUTOFS_DEV_IOCTL_SETPIPEFD \
   189		_IOWR(AUTOFS_IOCTL, \
   190		      AUTOFS_DEV_IOCTL_SETPIPEFD_CMD, struct autofs_dev_ioctl)
   191	
   192	#define AUTOFS_DEV_IOCTL_CATATONIC \
   193		_IOWR(AUTOFS_IOCTL, \
   194		      AUTOFS_DEV_IOCTL_CATATONIC_CMD, struct autofs_dev_ioctl)
   195	
   196	#define AUTOFS_DEV_IOCTL_TIMEOUT \
   197		_IOWR(AUTOFS_IOCTL, \
   198		      AUTOFS_DEV_IOCTL_TIMEOUT_CMD, struct autofs_dev_ioctl)
   199	
   200	#define AUTOFS_DEV_IOCTL_REQUESTER \
   201		_IOWR(AUTOFS_IOCTL, \
   202		      AUTOFS_DEV_IOCTL_REQUESTER_CMD, struct autofs_dev_ioctl)
   203	
   204	#define AUTOFS_DEV_IOCTL_EXPIRE \
   205		_IOWR(AUTOFS_IOCTL, \
   206		      AUTOFS_DEV_IOCTL_EXPIRE_CMD, struct autofs_dev_ioctl)
   207	
   208	#define AUTOFS_DEV_IOCTL_ASKUMOUNT \
   209		_IOWR(AUTOFS_IOCTL, \
   210		      AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD, struct autofs_dev_ioctl)
   211	
   212	#define AUTOFS_DEV_IOCTL_ISMOUNTPOINT \
   213		_IOWR(AUTOFS_IOCTL, \
   214		      AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD, struct autofs_dev_ioctl)
   215	
   216	#endif	/* _LINUX_AUTO_DEV_IOCTL_H */