1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1982, 1986, 1990, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef _SYS_FILIO_H_
38#define _SYS_FILIO_H_
39
40#include <sys/_types.h>
41#include <sys/ioccom.h>
42
43/* Generic file-descriptor ioctl's. */
44#define FIOCLEX _IO('f', 1) /* set close on exec on fd */
45#define FIONCLEX _IO('f', 2) /* remove close on exec */
46#define FIONREAD _IOR('f', 127, int) /* get # bytes to read */
47#define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */
48#define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */
49#define FIOSETOWN _IOW('f', 124, int) /* set owner */
50#define FIOGETOWN _IOR('f', 123, int) /* get owner */
51#define FIODTYPE _IOR('f', 122, int) /* get d_flags type part */
52#define FIOGETLBA _IOR('f', 121, int) /* get start blk # */
53struct fiodgname_arg {
54 int len;
55 void *buf;
56};
57#define FIODGNAME _IOW('f', 120, struct fiodgname_arg) /* get dev. name */
58#define FIONWRITE _IOR('f', 119, int) /* get # bytes (yet) to write */
59#define FIONSPACE _IOR('f', 118, int) /* get space in send queue */
60/* Handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge. */
61#define FIOSEEKDATA _IOWR('f', 97, off_t) /* SEEK_DATA */
62#define FIOSEEKHOLE _IOWR('f', 98, off_t) /* SEEK_HOLE */
63struct fiobmap2_arg {
64 __daddr_t bn;
65 int runp;
66 int runb;
67};
68/* Get the file's bmap info for the logical block bn. */
69#define FIOBMAP2 _IOWR('f', 99, struct fiobmap2_arg)
70/* POSIX shm largepage set/get config */
71#define FIOSSHMLPGCNF _IOW('f', 100, struct shm_largepage_conf)
72#define FIOGSHMLPGCNF _IOR('f', 101, struct shm_largepage_conf)
73
74#ifdef _KERNEL
75#ifdef COMPAT_FREEBSD32
76struct fiodgname_arg32 {
77 int len;
78 uint32_t buf; /* (void *) */
79};
80#define FIODGNAME_32 _IOC_NEWTYPE(FIODGNAME, struct fiodgname_arg32)
81#endif
82
83void *fiodgname_buf_get_ptr(void *fgnp, u_long com);
84#endif
85
86#endif /* !_SYS_FILIO_H_ */