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📄 _atomic64e.h(2.91 KB)
📄 _atomic_subword.h(7.27 KB)
📄 _bitset.h(2.3 KB)
📄 _blockcount.h(1.97 KB)
📄 _bus_dma.h(2.15 KB)
📄 _callout.h(2.68 KB)
📄 _cpuset.h(1.76 KB)
📄 _cscan_atomic.h(18.1 KB)
📄 _cscan_bus.h(10.22 KB)
📄 _domainset.h(2.04 KB)
📄 _eventhandler.h(2.81 KB)
📄 _ffcounter.h(1.84 KB)
📄 _iovec.h(1.93 KB)
📄 _lock.h(2.98 KB)
📄 _lockmgr.h(1.82 KB)
📄 _mutex.h(2.63 KB)
📄 _null.h(1.7 KB)
📄 _pctrie.h(1.65 KB)
📄 _pthreadtypes.h(3.51 KB)
📄 _rangeset.h(1.86 KB)
📄 _rmlock.h(2.59 KB)
📄 _rwlock.h(2.39 KB)
📄 _semaphore.h(2.05 KB)
📄 _seqc.h(160 B)
📄 _sigset.h(2.46 KB)
📄 _smr.h(1.94 KB)
📄 _sockaddr_storage.h(2.37 KB)
📄 _stack.h(1.53 KB)
📄 _stdarg.h(2.15 KB)
📄 _stdint.h(2.6 KB)
📄 _sx.h(1.73 KB)
📄 _task.h(2.62 KB)
📄 _termios.h(7.64 KB)
📄 _timespec.h(2 KB)
📄 _timeval.h(1.88 KB)
📄 _types.h(5.66 KB)
📄 _ucontext.h(2.08 KB)
📄 _uio.h(1.99 KB)
📄 _umtx.h(2.5 KB)
📄 _unrhdr.h(1.92 KB)
📄 _winsize.h(2.14 KB)
📄 aac_ioctl.h(7.56 KB)
📄 abi_compat.h(2.42 KB)
📄 acct.h(4.95 KB)
📄 acl.h(14.62 KB)
📄 agpio.h(5.78 KB)
📄 aio.h(7.69 KB)
📄 alq.h(4.5 KB)
📄 apm.h(88 B)
📄 arb.h(28.88 KB)
📄 assym.h(2.7 KB)
📄 ata.h(45.35 KB)
📄 atomic_common.h(3.26 KB)
📄 auxv.h(1.58 KB)
📄 backlight.h(2.02 KB)
📄 bio.h(6.77 KB)
📄 bitset.h(8.53 KB)
📄 bitstring.h(12.16 KB)
📄 blist.h(3.74 KB)
📄 blockcount.h(3.03 KB)
📄 boot.h(1.8 KB)
📄 buf.h(20.73 KB)
📄 buf_ring.h(10.6 KB)
📄 bufobj.h(5.03 KB)
📄 bus.h(38.2 KB)
📄 bus_dma.h(13.68 KB)
📄 bus_dma_internal.h(2.42 KB)
📄 busdma_bufalloc.h(4.7 KB)
📄 callout.h(6.62 KB)
📄 caprights.h(4.17 KB)
📄 capsicum.h(17.54 KB)
📄 cdefs.h(27.79 KB)
📄 cdio.h(7.09 KB)
📄 cdrio.h(4.88 KB)
📄 cfictl.h(2.21 KB)
📄 chio.h(9.53 KB)
📄 ck.h(251 B)
📄 clock.h(8.07 KB)
📄 cnv.h(4.25 KB)
📄 compressor.h(2.05 KB)
📄 condvar.h(3.42 KB)
📄 conf.h(12.4 KB)
📄 cons.h(5.22 KB)
📄 consio.h(14.01 KB)
📄 copyright.h(1.97 KB)
📄 counter.h(3.02 KB)
📄 coverage.h(2.36 KB)
📄 cpu.h(7.02 KB)
📄 cpuctl.h(2.29 KB)
📄 cpuset.h(5.93 KB)
📄 csan.h(1.71 KB)
📄 ctype.h(2.81 KB)
📄 devctl.h(1.76 KB)
📄 devicestat.h(6.97 KB)
📄 devmap.h(4.04 KB)
📄 dirent.h(4.78 KB)
📁 disk
📄 disk.h(6.31 KB)
📄 disk_zone.h(6.52 KB)
📄 disklabel.h(4.39 KB)
📄 diskmbr.h(1.84 KB)
📄 dkstat.h(2.05 KB)
📄 dnv.h(3.39 KB)
📄 domain.h(3.64 KB)
📄 domainset.h(5.05 KB)
📄 dtrace_bsd.h(6.93 KB)
📄 dvdio.h(3.43 KB)
📄 efi.h(6.21 KB)
📄 efiio.h(2.06 KB)
📄 elf.h(1.6 KB)
📄 elf32.h(7.46 KB)
📄 elf64.h(7.79 KB)
📄 elf_common.h(59.51 KB)
📄 elf_generic.h(2.83 KB)
📄 endian.h(4.98 KB)
📄 epoch.h(4.01 KB)
📄 errno.h(8.29 KB)
📄 eui64.h(2.05 KB)
📄 event.h(12.61 KB)
📄 eventfd.h(1.86 KB)
📄 eventhandler.h(11.8 KB)
📄 eventvar.h(2.46 KB)
📄 exec.h(4.56 KB)
📄 extattr.h(4.08 KB)
📄 fail.h(13.1 KB)
📄 fbio.h(19.95 KB)
📄 fcntl.h(12.02 KB)
📄 fdcio.h(7.6 KB)
📄 file.h(14.06 KB)
📄 filedesc.h(12.13 KB)
📄 filio.h(3.67 KB)
📄 firmware.h(3.11 KB)
📄 fnv_hash.h(1.41 KB)
📄 font.h(3.85 KB)
📄 gmon.h(7.16 KB)
📄 gpio.h(9.85 KB)
📄 gpt.h(1.51 KB)
📄 gsb_crc32.h(998 B)
📄 gtaskqueue.h(4.21 KB)
📄 hash.h(3.55 KB)
📄 hhook.h(5.86 KB)
📄 iconv.h(8.22 KB)
📄 imgact.h(5.22 KB)
📄 imgact_aout.h(5.65 KB)
📄 imgact_binmisc.h(6.95 KB)
📄 imgact_elf.h(4.13 KB)
📄 interrupt.h(8.07 KB)
📄 intr.h(5.36 KB)
📄 ioccom.h(3.82 KB)
📄 ioctl.h(2.24 KB)
📄 ioctl_compat.h(6.42 KB)
📄 iov.h(11.67 KB)
📄 iov_schema.h(2.33 KB)
📄 ipc.h(4.93 KB)
📄 ipmi.h(5.4 KB)
📄 jail.h(14.98 KB)
📄 joystick.h(2.12 KB)
📄 kbio.h(7.81 KB)
📄 kcov.h(2.36 KB)
📄 kdb.h(5.04 KB)
📄 kenv.h(2.02 KB)
📄 kern_prefetch.h(1.67 KB)
📄 kernel.h(16.18 KB)
📄 kerneldump.h(4.85 KB)
📄 khelp.h(3.08 KB)
📄 kobj.h(6.92 KB)
📄 kpilite.h(2.01 KB)
📄 ksem.h(2.34 KB)
📄 kthread.h(3.04 KB)
📄 ktls.h(6.52 KB)
📄 ktr.h(10.92 KB)
📄 ktr_class.h(3.8 KB)
📄 ktrace.h(8.13 KB)
📄 libkern.h(7.74 KB)
📄 limits.h(3.69 KB)
📄 link_aout.h(10.2 KB)
📄 link_elf.h(4.06 KB)
📄 linker.h(11.88 KB)
📄 linker_set.h(3.85 KB)
📄 lock.h(12.24 KB)
📄 lock_profile.h(2.6 KB)
📄 lockf.h(5.55 KB)
📄 lockmgr.h(7 KB)
📄 lockstat.h(5.13 KB)
📄 loginclass.h(2.08 KB)
📄 mac.h(3.96 KB)
📄 malloc.h(11.76 KB)
📄 mbuf.h(50.74 KB)
📄 mchain.h(4.21 KB)
📄 md4.h(1.63 KB)
📄 md5.h(1.81 KB)
📄 mdioctl.h(3.73 KB)
📄 memdesc.h(3.79 KB)
📄 memrange.h(2.36 KB)
📄 mman.h(10.41 KB)
📄 module.h(8.77 KB)
📄 module_khelp.h(3.45 KB)
📄 mount.h(42.05 KB)
📄 mouse.h(12.69 KB)
📄 mpt_ioctl.h(4.27 KB)
📄 mqueue.h(1.86 KB)
📄 msg.h(4.78 KB)
📄 msgbuf.h(3.49 KB)
📄 mtio.h(11.94 KB)
📄 mutex.h(19.18 KB)
📄 namei.h(11.27 KB)
📄 nlist_aout.h(4.23 KB)
📄 nv.h(10.62 KB)
📄 osd.h(4.02 KB)
📄 param.h(12.23 KB)
📄 pciio.h(5.67 KB)
📄 pcpu.h(9.79 KB)
📄 pctrie.h(5.19 KB)
📄 physmem.h(2.92 KB)
📄 pidctrl.h(5.44 KB)
📄 pipe.h(4.63 KB)
📄 pmc.h(37.29 KB)
📄 pmckern.h(8.01 KB)
📄 pmclog.h(9.23 KB)
📄 poll.h(4.03 KB)
📄 posix4.h(3.71 KB)
📄 power.h(2.34 KB)
📄 priority.h(4.39 KB)
📄 priv.h(19.73 KB)
📄 prng.h(354 B)
📄 proc.h(50.73 KB)
📄 procctl.h(4.89 KB)
📄 procdesc.h(4.46 KB)
📄 procfs.h(4.2 KB)
📄 protosw.h(14.56 KB)
📄 ptio.h(1.57 KB)
📄 ptrace.h(8.61 KB)
📄 qmath.h(22.07 KB)
📄 queue.h(28.61 KB)
📄 racct.h(7.48 KB)
📄 random.h(5.41 KB)
📄 rangelock.h(3.86 KB)
📄 rangeset.h(2.96 KB)
📄 rctl.h(5.91 KB)
📄 reboot.h(3.41 KB)
📄 refcount.h(5.72 KB)
📄 regression.h(1.62 KB)
📄 resource.h(5.32 KB)
📄 resourcevar.h(6.33 KB)
📄 rman.h(6.41 KB)
📄 rmlock.h(5.56 KB)
📄 rtprio.h(3.08 KB)
📄 runq.h(2.54 KB)
📄 rwlock.h(10.61 KB)
📄 sbuf.h(4.68 KB)
📄 sched.h(9.06 KB)
📄 sdt.h(17.89 KB)
📄 select.h(3.5 KB)
📄 selinfo.h(2.39 KB)
📄 sem.h(4.31 KB)
📄 sema.h(2.61 KB)
📄 seqc.h(3.26 KB)
📄 serial.h(3.49 KB)
📄 sf_buf.h(5.87 KB)
📄 sglist.h(3.89 KB)
📄 shm.h(5.69 KB)
📄 sigio.h(2.83 KB)
📄 signal.h(15.83 KB)
📄 signalvar.h(12.95 KB)
📄 sleepqueue.h(5.61 KB)
📄 slicer.h(2.19 KB)
📄 smp.h(8.88 KB)
📄 smr.h(7.64 KB)
📄 smr_types.h(4.87 KB)
📄 snoop.h(1014 B)
📄 sockbuf.h(9.9 KB)
📄 socket.h(23.43 KB)
📄 socketvar.h(18.75 KB)
📄 sockio.h(7.97 KB)
📄 sockopt.h(2.98 KB)
📄 soundcard.h(69.38 KB)
📄 specialfd.h(1.56 KB)
📄 spigenio.h(2.28 KB)
📄 stack.h(2.65 KB)
📄 stat.h(13.44 KB)
📄 stats.h(34.73 KB)
📄 statvfs.h(3.08 KB)
📄 stdatomic.h(13.94 KB)
📄 stddef.h(1.7 KB)
📄 stdint.h(2.63 KB)
📄 sx.h(11.04 KB)
📄 syscall.h(13.99 KB)
📄 syscall.mk(6.56 KB)
📄 syscallsubr.h(16.94 KB)
📄 sysctl.h(47.96 KB)
📄 sysent.h(10.82 KB)
📄 syslimits.h(3.14 KB)
📄 syslog.h(7.25 KB)
📄 sysproto.h(153.38 KB)
📄 systm.h(21.97 KB)
📄 taskqueue.h(7.65 KB)
📄 terminal.h(8.25 KB)
📄 termios.h(151 B)
📄 thr.h(2.87 KB)
📄 tiio.h(12.62 KB)
📄 tim_filter.h(4.61 KB)
📄 time.h(16.87 KB)
📄 timeb.h(2.59 KB)
📄 timeet.h(3.65 KB)
📄 timeffc.h(11.94 KB)
📄 timepps.h(6.48 KB)
📄 timers.h(3.56 KB)
📄 times.h(2.46 KB)
📄 timespec.h(2.4 KB)
📄 timetc.h(3.16 KB)
📄 timex.h(6.61 KB)
📄 tree.h(27.93 KB)
📄 tslog.h(2.3 KB)
📄 tty.h(8.98 KB)
📄 ttycom.h(6.48 KB)
📄 ttydefaults.h(3.92 KB)
📄 ttydevsw.h(5.28 KB)
📄 ttydisc.h(2.93 KB)
📄 ttyhook.h(3.98 KB)
📄 ttyqueue.h(5.26 KB)
📄 turnstile.h(4.83 KB)
📄 types.h(11.64 KB)
📄 ucontext.h(2.91 KB)
📄 ucred.h(5.4 KB)
📄 uio.h(4.15 KB)
📄 umtx.h(5.94 KB)
📄 un.h(2.96 KB)
📄 unistd.h(7.34 KB)
📄 unpcb.h(6.77 KB)
📄 user.h(21.58 KB)
📄 utsname.h(2.47 KB)
📄 uuid.h(3.17 KB)
📄 vdso.h(4.26 KB)
📄 vmem.h(4.91 KB)
📄 vmmeter.h(7.72 KB)
📄 vnode.h(40.87 KB)
📄 vtoc.h(89 B)
📄 wait.h(6.11 KB)
📄 watchdog.h(4.22 KB)

Editing: conf.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 2000
 *	Poul-Henning Kamp.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)conf.h	8.5 (Berkeley) 1/9/95
 * $FreeBSD$
 */

#ifndef _SYS_CONF_H_
#define	_SYS_CONF_H_

#ifdef _KERNEL
#include <sys/_eventhandler.h>
#else
#include <sys/queue.h>
#endif

struct snapdata;
struct devfs_dirent;
struct cdevsw;
struct file;

struct cdev {
	void		*si_spare0;
	u_int		si_flags;
#define	SI_ETERNAL	0x0001	/* never destroyed */
#define	SI_ALIAS	0x0002	/* carrier of alias name */
#define	SI_NAMED	0x0004	/* make_dev{_alias} has been called */
#define	SI_UNUSED1	0x0008	/* unused */
#define	SI_CHILD	0x0010	/* child of another struct cdev **/
#define	SI_DUMPDEV	0x0080	/* is kernel dumpdev */
#define	SI_CLONELIST	0x0200	/* on a clone list */
#define	SI_UNMAPPED	0x0400	/* can handle unmapped I/O */
#define	SI_NOSPLIT	0x0800	/* I/O should not be split up */
	struct timespec	si_atime;
	struct timespec	si_ctime;
	struct timespec	si_mtime;
	uid_t		si_uid;
	gid_t		si_gid;
	mode_t		si_mode;
	struct ucred	*si_cred;	/* cached clone-time credential */
	int		si_drv0;
	int		si_refcount;
	LIST_ENTRY(cdev)	si_list;
	LIST_ENTRY(cdev)	si_clone;
	LIST_HEAD(, cdev)	si_children;
	LIST_ENTRY(cdev)	si_siblings;
	struct cdev *si_parent;
	struct mount	*si_mountpt;
	void		*si_drv1, *si_drv2;
	struct cdevsw	*si_devsw;
	int		si_iosize_max;	/* maximum I/O size (for physio &al) */
	u_long		si_usecount;
	u_long		si_threadcount;
	union {
		struct snapdata *__sid_snapdata;
	} __si_u;
	char		si_name[SPECNAMELEN + 1];
};

#define	si_snapdata	__si_u.__sid_snapdata

#ifdef _KERNEL

/*
 * Definitions of device driver entry switches
 */

struct bio;
struct buf;
struct dumperinfo;
struct kerneldumpheader;
struct thread;
struct uio;
struct knote;
struct clonedevs;
struct vm_object;
struct vnode;

typedef int d_open_t(struct cdev *dev, int oflags, int devtype, struct thread *td);
typedef int d_fdopen_t(struct cdev *dev, int oflags, struct thread *td, struct file *fp);
typedef int d_close_t(struct cdev *dev, int fflag, int devtype, struct thread *td);
typedef void d_strategy_t(struct bio *bp);
typedef int d_ioctl_t(struct cdev *dev, u_long cmd, caddr_t data,
		      int fflag, struct thread *td);

typedef int d_read_t(struct cdev *dev, struct uio *uio, int ioflag);
typedef int d_write_t(struct cdev *dev, struct uio *uio, int ioflag);
typedef int d_poll_t(struct cdev *dev, int events, struct thread *td);
typedef int d_kqfilter_t(struct cdev *dev, struct knote *kn);
typedef int d_mmap_t(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
		     int nprot, vm_memattr_t *memattr);
typedef int d_mmap_single_t(struct cdev *cdev, vm_ooffset_t *offset,
    vm_size_t size, struct vm_object **object, int nprot);
typedef void d_purge_t(struct cdev *dev);

typedef int dumper_t(
	void *_priv,		/* Private to the driver. */
	void *_virtual,		/* Virtual (mapped) address. */
	vm_offset_t _physical,	/* Physical address of virtual. */
	off_t _offset,		/* Byte-offset to write at. */
	size_t _length);	/* Number of bytes to dump. */
typedef int dumper_start_t(struct dumperinfo *di);
typedef int dumper_hdr_t(struct dumperinfo *di, struct kerneldumpheader *kdh,
    void *key, uint32_t keylen);

#endif /* _KERNEL */

/*
 * Types for d_flags.
 */
#define	D_TAPE	0x0001
#define	D_DISK	0x0002
#define	D_TTY	0x0004
#define	D_MEM	0x0008	/* /dev/(k)mem */

/* Defined uid and gid values. */
#define		UID_ROOT	0
#define		UID_BIN		3
#define		UID_UUCP	66
#define		UID_NOBODY	65534

#define		GID_WHEEL	0
#define		GID_KMEM	2
#define		GID_TTY		4
#define		GID_OPERATOR	5
#define		GID_BIN		7
#define		GID_GAMES	13
#define		GID_VIDEO	44
#define		GID_DIALER	68
#define		GID_NOGROUP	65533
#define		GID_NOBODY	65534

#ifdef _KERNEL

#define	D_TYPEMASK	0xffff

/*
 * Flags for d_flags which the drivers can set.
 */
#define	D_TRACKCLOSE	0x00080000	/* track all closes */
#define	D_MMAP_ANON	0x00100000	/* special treatment in vm_mmap.c */
#define	D_NEEDGIANT	0x00400000	/* driver want Giant */
#define	D_NEEDMINOR	0x00800000	/* driver uses clone_create() */

/*
 * Version numbers.
 */
#define	D_VERSION_00	0x20011966
#define	D_VERSION_01	0x17032005	/* Add d_uid,gid,mode & kind */
#define	D_VERSION_02	0x28042009	/* Add d_mmap_single */
#define	D_VERSION_03	0x17122009	/* d_mmap takes memattr,vm_ooffset_t */
#define	D_VERSION_04	0x5c48c353	/* SPECNAMELEN bumped to MAXNAMLEN */
#define	D_VERSION	D_VERSION_04

/*
 * Flags used for internal housekeeping
 */
#define	D_INIT		0x80000000	/* cdevsw initialized */

/*
 * Character device switch table
 */
struct cdevsw {
	int			d_version;
	u_int			d_flags;
	const char		*d_name;
	d_open_t		*d_open;
	d_fdopen_t		*d_fdopen;
	d_close_t		*d_close;
	d_read_t		*d_read;
	d_write_t		*d_write;
	d_ioctl_t		*d_ioctl;
	d_poll_t		*d_poll;
	d_mmap_t		*d_mmap;
	d_strategy_t		*d_strategy;
	dumper_t		*d_dump;
	d_kqfilter_t		*d_kqfilter;
	d_purge_t		*d_purge;
	d_mmap_single_t		*d_mmap_single;

int32_t			d_spare0[3];
	void			*d_spare1[3];

/* These fields should not be messed with by drivers */
	LIST_HEAD(, cdev)	d_devs;
	int			d_spare2;
	union {
		struct cdevsw		*gianttrick;
		SLIST_ENTRY(cdevsw)	postfree_list;
	} __d_giant;
};
#define	d_gianttrick		__d_giant.gianttrick
#define	d_postfree_list		__d_giant.postfree_list

struct module;

struct devsw_module_data {
	int	(*chainevh)(struct module *, int, void *); /* next handler */
	void	*chainarg;	/* arg for next event handler */
	/* Do not initialize fields hereafter */
};

#define	DEV_MODULE_ORDERED(name, evh, arg, ord)				\
static moduledata_t name##_mod = {					\
    #name,								\
    evh,								\
    arg									\
};									\
DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, ord)

#define	DEV_MODULE(name, evh, arg)					\
    DEV_MODULE_ORDERED(name, evh, arg, SI_ORDER_MIDDLE)

void clone_setup(struct clonedevs **cdp);
void clone_cleanup(struct clonedevs **);
#define	CLONE_UNITMASK	0xfffff
#define	CLONE_FLAG0	(CLONE_UNITMASK + 1)
int clone_create(struct clonedevs **, struct cdevsw *, int *unit, struct cdev **dev, int extra);

#define	MAKEDEV_REF		0x01
#define	MAKEDEV_WHTOUT		0x02
#define	MAKEDEV_NOWAIT		0x04
#define	MAKEDEV_WAITOK		0x08
#define	MAKEDEV_ETERNAL		0x10
#define	MAKEDEV_CHECKNAME	0x20
struct make_dev_args {
	size_t		 mda_size;
	int		 mda_flags;
	struct cdevsw	*mda_devsw;
	struct ucred	*mda_cr;
	uid_t		 mda_uid;
	gid_t		 mda_gid;
	int		 mda_mode;
	int		 mda_unit;
	void		*mda_si_drv1;
	void		*mda_si_drv2;
};
void make_dev_args_init_impl(struct make_dev_args *_args, size_t _sz);
#define	make_dev_args_init(a) \
    make_dev_args_init_impl((a), sizeof(struct make_dev_args))

void	delist_dev(struct cdev *_dev);
void	destroy_dev(struct cdev *_dev);
int	destroy_dev_sched(struct cdev *dev);
int	destroy_dev_sched_cb(struct cdev *dev, void (*cb)(void *), void *arg);
void	destroy_dev_drain(struct cdevsw *csw);
void	drain_dev_clone_events(void);
struct cdevsw *dev_refthread(struct cdev *_dev, int *_ref);
struct cdevsw *devvn_refthread(struct vnode *vp, struct cdev **devp, int *_ref);
void	dev_relthread(struct cdev *_dev, int _ref);
void	dev_depends(struct cdev *_pdev, struct cdev *_cdev);
void	dev_ref(struct cdev *dev);
void	dev_refl(struct cdev *dev);
void	dev_rel(struct cdev *dev);
struct cdev *make_dev(struct cdevsw *_devsw, int _unit, uid_t _uid, gid_t _gid,
		int _perms, const char *_fmt, ...) __printflike(6, 7);
struct cdev *make_dev_cred(struct cdevsw *_devsw, int _unit,
		struct ucred *_cr, uid_t _uid, gid_t _gid, int _perms,
		const char *_fmt, ...) __printflike(7, 8);
struct cdev *make_dev_credf(int _flags,
		struct cdevsw *_devsw, int _unit,
		struct ucred *_cr, uid_t _uid, gid_t _gid, int _mode,
		const char *_fmt, ...) __printflike(8, 9);
int	make_dev_p(int _flags, struct cdev **_cdev, struct cdevsw *_devsw,
		struct ucred *_cr, uid_t _uid, gid_t _gid, int _mode,
		const char *_fmt, ...) __printflike(8, 9);
int	make_dev_s(struct make_dev_args *_args, struct cdev **_cdev,
		const char *_fmt, ...) __printflike(3, 4);
struct cdev *make_dev_alias(struct cdev *_pdev, const char *_fmt, ...)
		__printflike(2, 3);
int	make_dev_alias_p(int _flags, struct cdev **_cdev, struct cdev *_pdev,
		const char *_fmt, ...) __printflike(4, 5);
int	make_dev_physpath_alias(int _flags, struct cdev **_cdev,
		struct cdev *_pdev, struct cdev *_old_alias,
		const char *_physpath);
void	dev_lock(void);
void	dev_unlock(void);

#ifdef KLD_MODULE
#define	MAKEDEV_ETERNAL_KLD	0
#else
#define	MAKEDEV_ETERNAL_KLD	MAKEDEV_ETERNAL
#endif

#define	dev2unit(d)	((d)->si_drv0)

typedef void d_priv_dtor_t(void *data);
int	devfs_get_cdevpriv(void **datap);
int	devfs_set_cdevpriv(void *priv, d_priv_dtor_t *dtr);
void	devfs_clear_cdevpriv(void);

ino_t	devfs_alloc_cdp_inode(void);
void	devfs_free_cdp_inode(ino_t ino);

typedef void (*dev_clone_fn)(void *arg, struct ucred *cred, char *name,
	    int namelen, struct cdev **result);

int dev_stdclone(char *_name, char **_namep, const char *_stem, int *_unit);
EVENTHANDLER_DECLARE(dev_clone, dev_clone_fn);

/* Stuff relating to kernel-dump */
struct kerneldumpcrypto;
struct kerneldumpheader;

struct dumperinfo {
	dumper_t *dumper;	/* Dumping function. */
	dumper_start_t *dumper_start; /* Dumper callback for dump_start(). */
	dumper_hdr_t *dumper_hdr; /* Dumper callback for writing headers. */
	void	*priv;		/* Private parts. */
	u_int	blocksize;	/* Size of block in bytes. */
	u_int	maxiosize;	/* Max size allowed for an individual I/O */
	off_t	mediaoffset;	/* Initial offset in bytes. */
	off_t	mediasize;	/* Space available in bytes. */

/* MI kernel dump state. */
	void	*blockbuf;	/* Buffer for padding shorter dump blocks */
	off_t	dumpoff;	/* Offset of ongoing kernel dump. */
	off_t	origdumpoff;	/* Starting dump offset. */
	struct kerneldumpcrypto	*kdcrypto; /* Kernel dump crypto. */
	struct kerneldumpcomp *kdcomp; /* Kernel dump compression. */

TAILQ_ENTRY(dumperinfo)	di_next;

char			di_devname[];
};

extern int dumping;		/* system is dumping */

int doadump(boolean_t);
struct diocskerneldump_arg;
int dumper_insert(const struct dumperinfo *di_template, const char *devname,
    const struct diocskerneldump_arg *kda);
int dumper_remove(const char *devname, const struct diocskerneldump_arg *kda);

/* For ddb(4)-time use only. */
void dumper_ddb_insert(struct dumperinfo *);
void dumper_ddb_remove(struct dumperinfo *);

int dump_start(struct dumperinfo *di, struct kerneldumpheader *kdh);
int dump_append(struct dumperinfo *, void *, vm_offset_t, size_t);
int dump_write(struct dumperinfo *, void *, vm_offset_t, off_t, size_t);
int dump_finish(struct dumperinfo *di, struct kerneldumpheader *kdh);
void dump_init_header(const struct dumperinfo *di, struct kerneldumpheader *kdh,
    const char *magic, uint32_t archver, uint64_t dumplen);

#endif /* _KERNEL */

#endif /* !_SYS_CONF_H_ */

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