projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 5d5c5d0d A |
2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| 3 | * | |
| 6601e61a | 4 | * @APPLE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 6601e61a A |
6 | * The contents of this file constitute Original Code as defined in and |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 8f6c56a5 | 11 | * |
| 6601e61a A |
12 | * This Original Code and all software distributed under the License are |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 8f6c56a5 A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 6601e61a A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 8f6c56a5 | 19 | * |
| 6601e61a | 20 | * @APPLE_LICENSE_HEADER_END@ |
| 1c79356b | 21 | */ |
| 91447636 | 22 | |
| 9bccf70c A |
23 | #ifndef __VOLFS_VOLFS_H__ |
| 24 | #define __VOLFS_VOLFS_H__ | |
| 1c79356b | 25 | |
| 9bccf70c A |
26 | #include <sys/appleapiopts.h> |
| 27 | ||
| 28 | #ifdef __APPLE_API_PRIVATE | |
| 1c79356b A |
29 | struct volfs_mntdata |
| 30 | { | |
| 31 | struct vnode *volfs_rootvp; | |
| 1c79356b A |
32 | }; |
| 33 | ||
| 34 | /* | |
| 35 | * Volfs vnodes exist only for the root, which allows for the enumeration | |
| 36 | * of all volfs accessible filesystems, and for the filesystems which | |
| 37 | * volfs handles. | |
| 38 | */ | |
| 39 | #define VOLFS_ROOT 1 /* This volfs vnode represents root of volfs */ | |
| 40 | #define VOLFS_FSNODE 2 /* This volfs vnode represents a file system */ | |
| 41 | ||
| 42 | struct volfs_vndata | |
| 43 | { | |
| 44 | int vnode_type; | |
| 1c79356b A |
45 | unsigned int nodeID; /* the dev entry of a file system */ |
| 46 | struct mount * fs_mount; | |
| 91447636 | 47 | fsid_t fs_fsid; |
| 1c79356b A |
48 | }; |
| 49 | ||
| 50 | #define MAXVLFSNAMLEN 24 /* max length is really 10, pad to 24 since | |
| 51 | * some of the math depends on VLFSDIRENTLEN | |
| 52 | * being a power of 2 */ | |
| 53 | #define VLFSDIRENTLEN (MAXVLFSNAMLEN + sizeof(u_int32_t) + sizeof(u_int16_t) + sizeof(u_int8_t) + sizeof(u_int8_t)) | |
| 54 | ||
| 55 | #define ROOT_DIRID 2 | |
| 56 | ||
| 55e303ae A |
57 | #define MAXPLCENTRIES 250 |
| 58 | #define PLCHASHSIZE 128 | |
| 59 | ||
| 1c79356b A |
60 | |
| 61 | #define VTOVL(VP) ((struct volfs_vndata *)((VP)->v_data)) | |
| 62 | ||
| 63 | #define PRINTIT kprintf | |
| 64 | ||
| 9bccf70c A |
65 | |
| 66 | #endif /* __APPLE_API_PRIVATE */ | |
| 67 | #endif /* __VOLFS_VOLFS_H__ */ |