| 1 | /*
|
|---|
| 2 | * Copyright (c) 2008 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 TMPFS_TMPFS_H_
|
|---|
| 34 | #define TMPFS_TMPFS_H_
|
|---|
| 35 |
|
|---|
| 36 | #include <ipc/ipc.h>
|
|---|
| 37 | #include <libfs.h>
|
|---|
| 38 | #include <atomic.h>
|
|---|
| 39 | #include <sys/types.h>
|
|---|
| 40 | #include <bool.h>
|
|---|
| 41 | #include <libadt/hash_table.h>
|
|---|
| 42 |
|
|---|
| 43 | #define dprintf(...) printf(__VA_ARGS__)
|
|---|
| 44 |
|
|---|
| 45 | typedef struct tmpfs_dentry {
|
|---|
| 46 | unsigned long index; /**< TMPFS node index. */
|
|---|
| 47 | link_t dh_link; /**< Dentries hash table link. */
|
|---|
| 48 | struct tmpfs_dentry *sibling;
|
|---|
| 49 | struct tmpfs_dentry *child;
|
|---|
| 50 | char *name;
|
|---|
| 51 | enum {
|
|---|
| 52 | TMPFS_NONE,
|
|---|
| 53 | TMPFS_FILE,
|
|---|
| 54 | TMPFS_DIRECTORY
|
|---|
| 55 | } type;
|
|---|
| 56 | unsigned lnkcnt; /**< Link count. */
|
|---|
| 57 | size_t size; /**< File size if type is TMPFS_FILE. */
|
|---|
| 58 | void *data; /**< File content's if type is TMPFS_FILE. */
|
|---|
| 59 | } tmpfs_dentry_t;
|
|---|
| 60 |
|
|---|
| 61 | extern fs_reg_t tmpfs_reg;
|
|---|
| 62 |
|
|---|
| 63 | extern void tmpfs_lookup(ipc_callid_t, ipc_call_t *);
|
|---|
| 64 | extern void tmpfs_read(ipc_callid_t, ipc_call_t *);
|
|---|
| 65 | extern void tmpfs_write(ipc_callid_t, ipc_call_t *);
|
|---|
| 66 | extern void tmpfs_truncate(ipc_callid_t, ipc_call_t *);
|
|---|
| 67 | extern void tmpfs_destroy(ipc_callid_t, ipc_call_t *);
|
|---|
| 68 |
|
|---|
| 69 | #endif
|
|---|
| 70 |
|
|---|
| 71 | /**
|
|---|
| 72 | * @}
|
|---|
| 73 | */
|
|---|
