| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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. |
| | 12 | * |
| | 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 |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 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. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | |
| | 24 | #ifndef __VOLFS_VOLFS_H__ |
| | 25 | #define __VOLFS_VOLFS_H__ |
| | 26 | |
| | 27 | #include <sys/appleapiopts.h> |
| | 28 | |
| | 29 | #ifdef __APPLE_API_PRIVATE |
| | 30 | struct volfs_mntdata |
| | 31 | { |
| | 32 | struct vnode *volfs_rootvp; |
| | 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; |
| | 46 | unsigned int nodeID; /* the dev entry of a file system */ |
| | 47 | struct mount * fs_mount; |
| | 48 | fsid_t fs_fsid; |
| | 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 | |
| | 58 | #define MAXPLCENTRIES 250 |
| | 59 | #define PLCHASHSIZE 128 |
| | 60 | |
| | 61 | |
| | 62 | #define VTOVL(VP) ((struct volfs_vndata *)((VP)->v_data)) |
| | 63 | |
| | 64 | #define PRINTIT kprintf |
| | 65 | |
| | 66 | |
| | 67 | #endif /* __APPLE_API_PRIVATE */ |
| | 68 | #endif /* __VOLFS_VOLFS_H__ */ |
projects / apple / xnu.git / blame_incremental