mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-18 10:35:55 +00:00
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2005 Poul-Henning Kamp. All rights reserved.
|
|
*
|
|
* 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. 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* This file documents a private interface and it SHALL only be used
|
|
* by kern/kern_conf.c and fs/devfs/...
|
|
*/
|
|
|
|
#ifndef _FS_DEVFS_DEVFS_INT_H_
|
|
#define _FS_DEVFS_DEVFS_INT_H_
|
|
|
|
#include <sys/queue.h>
|
|
|
|
#ifdef _KERNEL
|
|
|
|
struct devfs_dirent;
|
|
struct devfs_mount;
|
|
|
|
struct cdev_privdata {
|
|
struct file *cdpd_fp;
|
|
void *cdpd_data;
|
|
void (*cdpd_dtr)(void *);
|
|
LIST_ENTRY(cdev_privdata) cdpd_list;
|
|
};
|
|
|
|
struct cdev_priv {
|
|
struct cdev cdp_c;
|
|
TAILQ_ENTRY(cdev_priv) cdp_list;
|
|
|
|
u_int cdp_inode;
|
|
|
|
u_int cdp_flags;
|
|
#define CDP_ACTIVE (1 << 0)
|
|
#define CDP_SCHED_DTR (1 << 1)
|
|
|
|
u_int cdp_inuse;
|
|
u_int cdp_maxdirent;
|
|
struct devfs_dirent **cdp_dirents;
|
|
struct devfs_dirent *cdp_dirent0;
|
|
|
|
TAILQ_ENTRY(cdev_priv) cdp_dtr_list;
|
|
void (*cdp_dtr_cb)(void *);
|
|
void *cdp_dtr_cb_arg;
|
|
|
|
LIST_HEAD(, cdev_privdata) cdp_fdpriv;
|
|
};
|
|
|
|
#define cdev2priv(c) __containerof(c, struct cdev_priv, cdp_c)
|
|
|
|
struct cdev *devfs_alloc(int);
|
|
int devfs_dev_exists(const char *);
|
|
void devfs_free(struct cdev *);
|
|
void devfs_create(struct cdev *);
|
|
void devfs_destroy(struct cdev *);
|
|
void devfs_destroy_cdevpriv(struct cdev_privdata *);
|
|
|
|
int devfs_dir_find(const char *);
|
|
void devfs_dir_ref_de(struct devfs_mount *, struct devfs_dirent *);
|
|
void devfs_dir_unref_de(struct devfs_mount *, struct devfs_dirent *);
|
|
int devfs_pathpath(const char *, const char *);
|
|
|
|
extern struct unrhdr *devfs_inos;
|
|
extern struct mtx devmtx;
|
|
extern struct mtx devfs_de_interlock;
|
|
extern struct sx clone_drain_lock;
|
|
extern struct mtx cdevpriv_mtx;
|
|
extern TAILQ_HEAD(cdev_priv_list, cdev_priv) cdevp_list;
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_FS_DEVFS_DEVFS_INT_H_ */
|