![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to specdev.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple Darwin 0.x] / kernel / bsd / miscfs / specfs|
Return to specdev.h CVS log | Up to [Apple Darwin 0.x] / kernel / bsd / miscfs / specfs |
1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright (c) 1995, 1998 Apple Computer, Inc. All Rights Reserved.
27: * Copyright (c) 1990, 1993
28: * The Regents of the University of California. All rights reserved.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)specdev.h 8.6 (Berkeley) 5/21/95
59: */
60:
61: #ifndef _MISCFS_SPECFS_SPECDEV_H_
62: #define _MISCFS_SPECFS_SPECDEV_H_
63:
64: #include <vfs/vfs_support.h>
65:
66: /*
67: * This structure defines the information maintained about
68: * special devices. It is allocated in checkalias and freed
69: * in vgone.
70: */
71: struct specinfo {
72: struct vnode **si_hashchain;
73: struct vnode *si_specnext;
74: long si_flags;
75: dev_t si_rdev;
76: daddr_t si_size; /* block device size in bytes */
77: };
78: /*
79: * Exported shorthand
80: */
81: #define v_rdev v_specinfo->si_rdev
82: #define v_hashchain v_specinfo->si_hashchain
83: #define v_specnext v_specinfo->si_specnext
84: #define v_specflags v_specinfo->si_flags
85: #define v_specsize v_specinfo->si_size
86:
87: /*
88: * Flags for specinfo
89: */
90: #define SI_MOUNTEDON 0x0001 /* block special device is mounted on */
91:
92: /*
93: * Special device management
94: */
95: #define SPECHSZ 64
96: #if ((SPECHSZ&(SPECHSZ-1)) == 0)
97: #define SPECHASH(rdev) (((rdev>>5)+(rdev))&(SPECHSZ-1))
98: #else
99: #define SPECHASH(rdev) (((unsigned)((rdev>>5)+(rdev)))%SPECHSZ)
100: #endif
101:
102: extern struct vnode *speclisth[SPECHSZ];
103:
104: /*
105: * Prototypes for special file operations on vnodes.
106: */
107: extern int (**spec_vnodeop_p)();
108: struct nameidata;
109: struct componentname;
110: struct ucred;
111: struct flock;
112: struct buf;
113: struct uio;
114:
115: int spec_ebadf();
116:
117: int spec_lookup __P((struct vop_lookup_args *));
118: #define spec_create ((int (*) __P((struct vop_access_args *)))err_create)
119: #define spec_mknod ((int (*) __P((struct vop_access_args *)))err_mknod)
120: int spec_open __P((struct vop_open_args *));
121: int spec_close __P((struct vop_close_args *));
122: #define spec_access ((int (*) __P((struct vop_access_args *)))spec_ebadf)
123: #define spec_getattr ((int (*) __P((struct vop_getattr_args *)))spec_ebadf)
124: #define spec_setattr ((int (*) __P((struct vop_setattr_args *)))spec_ebadf)
125: int spec_read __P((struct vop_read_args *));
126: int spec_write __P((struct vop_write_args *));
127: #define spec_lease_check ((int (*) __P((struct vop_access_args *)))nop_lease)
128: int spec_ioctl __P((struct vop_ioctl_args *));
129: int spec_select __P((struct vop_select_args *));
130: #define spec_revoke ((int (*) __P((struct vop_access_args *)))nop_revoke)
131: #define spec_mmap ((int (*) __P((struct vop_access_args *)))err_mmap)
132: int spec_fsync __P((struct vop_fsync_args *));
133: #define spec_seek ((int (*) __P((struct vop_access_args *)))err_seek)
134: #define spec_remove ((int (*) __P((struct vop_access_args *)))err_remove)
135: #define spec_link ((int (*) __P((struct vop_access_args *)))err_link)
136: #define spec_rename ((int (*) __P((struct vop_access_args *)))err_rename)
137: #define spec_mkdir ((int (*) __P((struct vop_access_args *)))err_mkdir)
138: #define spec_rmdir ((int (*) __P((struct vop_access_args *)))err_rmdir)
139: #define spec_symlink ((int (*) __P((struct vop_access_args *)))err_symlink)
140: #define spec_readdir ((int (*) __P((struct vop_access_args *)))err_readdir)
141: #define spec_readlink ((int (*) __P((struct vop_access_args *)))err_readlink)
142: #define spec_abortop ((int (*) __P((struct vop_access_args *)))err_abortop)
143: #define spec_inactive ((int (*) __P((struct vop_access_args *)))nop_inactive)
144: #define spec_reclaim ((int (*) __P((struct vop_access_args *)))nop_reclaim)
145: #define spec_lock ((int (*) __P((struct vop_access_args *)))nop_lock)
146: #define spec_unlock ((int (*) __P((struct vop_access_args *)))nop_unlock)
147: int spec_bmap __P((struct vop_bmap_args *));
148: int spec_strategy __P((struct vop_strategy_args *));
149: int spec_print __P((struct vop_print_args *));
150: #define spec_islocked ((int (*) __P((struct vop_access_args *)))nop_islocked)
151: int spec_pathconf __P((struct vop_pathconf_args *));
152: #define spec_advlock ((int (*) __P((struct vop_access_args *)))err_advlock)
153: #define spec_blkatoff ((int (*) __P((struct vop_access_args *)))err_blkatoff)
154: #define spec_valloc ((int (*) __P((struct vop_access_args *)))err_valloc)
155: #define spec_vfree ((int (*) __P((struct vop_access_args *)))err_vfree)
156: #define spec_truncate ((int (*) __P((struct vop_access_args *)))nop_truncate)
157: #define spec_update ((int (*) __P((struct vop_access_args *)))nop_update)
158: #define spec_reallocblks \
159: ((int (*) __P((struct vop_reallocblks_args *)))err_reallocblks)
160: #define spec_bwrite ((int (*) __P((struct vop_bwrite_args *)))nop_bwrite)
161: int spec_devblocksize __P((struct vop_devblocksize_args *));
162: int spec_pagein __P((struct vop_pagein_args *));
163: int spec_pageout __P((struct vop_pageout_args *));
164:
165: #endif /* _MISCFS_SPECFS_SPECDEV_H_ */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.