/*
* Copyright (c) 2009 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libfs
* @{
*/
/**
* @file
*/
#ifndef LIBFS_LIBFS_H_
#define LIBFS_LIBFS_H_
#include "../../srv/vfs/vfs.h"
#include <stdint.h>
#include <ipc/ipc.h>
#include <async.h>
typedef struct {
bool mp_active;
int phone;
fs_handle_t fs_handle;
dev_handle_t dev_handle;
} mp_data_t;
typedef struct {
mp_data_t mp_data; /**< Mount point info. */
void *data; /**< Data of the file system implementation. */
} fs_node_t;
typedef struct {
fs_node_t * (* match)(fs_node_t *, const char *);
fs_node_t * (* node_get)(dev_handle_t, fs_index_t);
void (* node_put)(fs_node_t *);
fs_node_t * (* create)(dev_handle_t, int);
int (* destroy)(fs_node_t *);
int (* link)(fs_node_t *, fs_node_t *, const char *);
int (* unlink)(fs_node_t *, fs_node_t *, const char *);
fs_index_t (* index_get)(fs_node_t *);
size_t (* size_get)(fs_node_t *);
unsigned (* lnkcnt_get)(fs_node_t *);
bool (* has_children)(fs_node_t *);
fs_node_t *(* root_get)(dev_handle_t);
char (* plb_get_char)(unsigned pos);
bool (* is_directory)(fs_node_t *);
bool (* is_file)(fs_node_t *);
} libfs_ops_t;
typedef struct {
int fs_handle; /**< File system handle. */
ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */
uint8_t *plb_ro; /**< Read-only PLB view. */
} fs_reg_t;
extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t);
extern void fs_node_initialize(fs_node_t *);
extern void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);
extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);
#endif
/** @}
*/