1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 2000
* Poul-Henning Kamp. All rights reserved.
*
* This code is derived from software donated to Berkeley by
* Jan-Simon Pendry.
*
* 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.
*
* @(#)kernfs.h 8.6 (Berkeley) 3/29/95
* From: FreeBSD: src/sys/miscfs/kernfs/kernfs.h 1.14
*
* $FreeBSD$
*/
#ifdef _KERNEL
#ifdef DEVFS_INTERN
#define NDEVINO 1024
MALLOC_DECLARE(M_DEVFS);
struct devfs_dirent {
int de_inode;
int de_flags;
#define DE_ORPHAN 0x1
#define DE_DOT 0x2
#define DE_DOTDOT 0x4
struct dirent *de_dirent;
TAILQ_ENTRY(devfs_dirent) de_list;
TAILQ_HEAD(, devfs_dirent) de_dlist;
struct devfs_dirent *de_dir;
int de_links;
mode_t de_mode;
uid_t de_uid;
gid_t de_gid;
struct timespec de_atime;
struct timespec de_mtime;
struct timespec de_ctime;
struct vnode *de_vnode;
char * de_symlink;
};
struct devfs_node {
struct kern_target *kf_kt;
};
struct devfs_mount {
struct vnode *dm_root; /* Root node */
struct devfs_dirent *dm_rootdir;
struct devfs_dirent *dm_basedir;
unsigned dm_generation;
struct devfs_dirent *dm_dirent[NDEVINO];
#define DE_DELETED ((struct devfs_dirent *)&devfs_inot[0])
int dm_inode;
};
extern dev_t devfs_inot[NDEVINO];
extern int devfs_nino;
extern unsigned devfs_generation;
#define VFSTODEVFS(mp) ((struct devfs_mount *)((mp)->mnt_data))
extern vop_t **devfs_vnodeop_p;
extern vop_t **devfs_specop_p;
int devfs_allocv __P((struct devfs_dirent *de, struct mount *mp, struct vnode **vpp, struct proc *p));
struct devfs_dirent * devfs_find __P((struct devfs_dirent *dd, const char *name, int namelen));
int devfs_populate __P((struct devfs_mount *dm));
struct devfs_dirent * devfs_newdirent __P((char *name, int namelen));
void devfs_purge __P((struct devfs_dirent *dd));
struct devfs_dirent * devfs_vmkdir __P((char *name, int namelen,
struct devfs_dirent *dotdot));
#endif /* DEVFS_INTERN */
typedef void (*devfs_clone_fn) __P((void *arg, char *name, int namelen, dev_t *result));
int devfs_stdclone __P((char *name, char **namep, char *stem, int *unit));
EVENTHANDLER_DECLARE(devfs_clone, devfs_clone_fn);
#endif /* _KERNEL */
|
