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  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 libfs
  30.  * @{
  31.  */
  32. /**
  33.  * @file
  34.  */
  35.  
  36. #ifndef LIBFS_LIBFS_H_
  37. #define LIBFS_LIBFS_H_
  38.  
  39. #include "../../srv/vfs/vfs.h"
  40. #include <stdint.h>
  41. #include <ipc/ipc.h>
  42. #include <async.h>
  43.  
  44. typedef struct {
  45.     void *data; /**< Data of the file system implementation. */
  46. } fs_node_t;
  47.  
  48. typedef struct {
  49.     fs_node_t * (* match)(fs_node_t *, const char *);
  50.     fs_node_t * (* node_get)(dev_handle_t, fs_index_t);
  51.     void (* node_put)(fs_node_t *);
  52.     fs_node_t * (* create)(dev_handle_t, int);
  53.     int (* destroy)(fs_node_t *);
  54.     int (* link)(fs_node_t *, fs_node_t *, const char *);
  55.     int (* unlink)(fs_node_t *, fs_node_t *);
  56.     fs_index_t (* index_get)(fs_node_t *);
  57.     size_t (* size_get)(fs_node_t *);
  58.     unsigned (* lnkcnt_get)(fs_node_t *);
  59.     bool (* has_children)(fs_node_t *);
  60.     fs_node_t *(* root_get)(dev_handle_t);
  61.     char (* plb_get_char)(unsigned pos);   
  62.     bool (* is_directory)(fs_node_t *);
  63.     bool (* is_file)(fs_node_t *);
  64. } libfs_ops_t;
  65.  
  66. typedef struct {
  67.     int fs_handle;      /**< File system handle. */
  68.     ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */
  69.     uint8_t *plb_ro;    /**< Read-only PLB view. */
  70. } fs_reg_t;
  71.  
  72. extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t);
  73.  
  74. extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);
  75.  
  76. #endif
  77.  
  78. /** @}
  79.  */
  80.  
  81.