projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 91447636 | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| 1c79356b A |
3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| ff6e181a A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 1c79356b | 12 | * |
| ff6e181a A |
13 | * The Original Code and all software distributed under the License are |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| ff6e181a A |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 1c79356b A |
20 | * |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 91447636 | 23 | |
| 9bccf70c A |
24 | #ifndef __VOLFS_VOLFS_H__ |
| 25 | #define __VOLFS_VOLFS_H__ | |
| 1c79356b | 26 | |
| 9bccf70c A |
27 | #include <sys/appleapiopts.h> |
| 28 | ||
| 29 | #ifdef __APPLE_API_PRIVATE | |
| 1c79356b A |
30 | struct volfs_mntdata |
| 31 | { | |
| 32 | struct vnode *volfs_rootvp; | |
| 1c79356b A |
33 | }; |
| 34 | ||
| 35 | /* | |
| 36 | * Volfs vnodes exist only for the root, which allows for the enumeration | |
| 37 | * of all volfs accessible filesystems, and for the filesystems which | |
| 38 | * volfs handles. | |
| 39 | */ | |
| 40 | #define VOLFS_ROOT 1 /* This volfs vnode represents root of volfs */ | |
| 41 | #define VOLFS_FSNODE 2 /* This volfs vnode represents a file system */ | |
| 42 | ||
| 43 | struct volfs_vndata | |
| 44 | { | |
| 45 | int vnode_type; | |
| 1c79356b A |
46 | unsigned int nodeID; /* the dev entry of a file system */ |
| 47 | struct mount * fs_mount; | |
| 91447636 | 48 | fsid_t fs_fsid; |
| 1c79356b A |
49 | }; |
| 50 | ||
| 51 | #define MAXVLFSNAMLEN 24 /* max length is really 10, pad to 24 since | |
| 52 | * some of the math depends on VLFSDIRENTLEN | |
| 53 | * being a power of 2 */ | |
| 54 | #define VLFSDIRENTLEN (MAXVLFSNAMLEN + sizeof(u_int32_t) + sizeof(u_int16_t) + sizeof(u_int8_t) + sizeof(u_int8_t)) | |
| 55 | ||
| 56 | #define ROOT_DIRID 2 | |
| 57 | ||
| 55e303ae A |
58 | #define MAXPLCENTRIES 250 |
| 59 | #define PLCHASHSIZE 128 | |
| 60 | ||
| 1c79356b A |
61 | |
| 62 | #define VTOVL(VP) ((struct volfs_vndata *)((VP)->v_data)) | |
| 63 | ||
| 64 | #define PRINTIT kprintf | |
| 65 | ||
| 9bccf70c A |
66 | |
| 67 | #endif /* __APPLE_API_PRIVATE */ | |
| 68 | #endif /* __VOLFS_VOLFS_H__ */ |