Rev 2520 | Rev 2523 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2520 | jermar | 1 | /* |
| 2 | * Copyright (c) 2007 Jakub Jermar |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** @addtogroup fs |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | |||
| 33 | #ifndef VFS_VFS_H_ |
||
| 34 | #define VFS_VFS_H_ |
||
| 35 | |||
| 36 | typedef enum { |
||
| 2521 | jermar | 37 | VFS_REGISTER = 0, |
| 2520 | jermar | 38 | VFS_MOUNT, |
| 39 | VFS_UNMOUNT, |
||
| 2521 | jermar | 40 | VFS_OPEN, |
| 41 | VFS_LAST, /* keep this the last member of the enum */ |
||
| 2520 | jermar | 42 | } vfs_request_t; |
| 43 | |||
| 2521 | jermar | 44 | |
| 45 | /** |
||
| 46 | * An instance of this structure is associated with a particular FS operation. |
||
| 47 | * It tells VFS if the FS supports the operation or maybe if a default one |
||
| 48 | * should be used. |
||
| 49 | */ |
||
| 50 | typedef enum { |
||
| 51 | VFS_OP_NOTSUP = 0, |
||
| 52 | VFS_OP_DEFAULT, |
||
| 53 | VFS_OP_DEFINED |
||
| 54 | } vfs_op_t; |
||
| 55 | |||
| 56 | #define FS_NAME_MAXLEN 20 |
||
| 57 | |||
| 58 | /** |
||
| 59 | * A structure like this is passed to VFS by each individual FS upon its |
||
| 60 | * registration. It assosiates a human-readable identifier with each |
||
| 61 | * registered FS. More importantly, through this structure, the FS announces |
||
| 62 | * what operations it supports. |
||
| 63 | */ |
||
| 64 | typedef struct { |
||
| 65 | char fs_name[FS_NAME_MAXLEN]; /**< Unique identifier of the fs. */ |
||
| 66 | vfs_op_t ops[VFS_LAST]; /**< Operations. */ |
||
| 67 | } vfs_info_t; |
||
| 68 | |||
| 2520 | jermar | 69 | #endif |
| 70 | |||
| 71 | /** |
||
| 72 | * @} |
||
| 73 | */ |