uspace/srv/fs/exfat/exfat.c

   1 /*
   2  * Copyright (c) 2006 Martin Decky
   3  * Copyright (c) 2008 Jakub Jermar
   4  * Copyright (c) 2011 Oleg Romanenko
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * - Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  * - Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  * - The name of the author may not be used to endorse or promote products
  17  *   derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /** @addtogroup fs
  32  * @{
  33  */
  34
  35 /**
  36  * @file        exfat.c
  37  * @brief       FAT file system driver for HelenOS.
  38  */
  39
  40 #include "exfat.h"
  41 #include <ipc/services.h>
  42 #include <ns.h>
  43 #include <async.h>
  44 #include <errno.h>
  45 #include <str_error.h>
  46 #include <task.h>
  47 #include <stdio.h>
  48 #include <libfs.h>
  49 #include "../../vfs/vfs.h"
  50
  51 #define NAME    "exfat"
  52
  53 vfs_info_t exfat_vfs_info = {
  54         .name = NAME,
  55         .concurrent_read_write = false,
  56         .write_retains_size = false,
  57         .instance = 0,
  58 };
  59
  60 int main(int argc, char **argv)
  61 {
  62         printf(NAME ": HelenOS exFAT file system server\n");
  63
  64         if (argc == 3) {
  65                 if (!str_cmp(argv[1], "--instance"))
  66                         exfat_vfs_info.instance = strtol(argv[2], NULL, 10);
  67                 else {
  68                         printf(NAME " Unrecognized parameters");
  69                         return -1;
  70                 }
  71         }
  72
  73         errno_t rc = exfat_idx_init();
  74         if (rc != EOK)
  75                 goto err;
  76
  77         async_sess_t *vfs_sess = service_connect_blocking(SERVICE_VFS,
  78             INTERFACE_VFS_DRIVER, 0);
  79         if (!vfs_sess) {
  80                 printf(NAME ": failed to connect to VFS\n");
  81                 return -1;
  82         }
  83
  84         rc = fs_register(vfs_sess, &exfat_vfs_info, &exfat_ops, &exfat_libfs_ops);
  85         if (rc != EOK) {
  86                 exfat_idx_fini();
  87                 goto err;
  88         }
  89
  90         printf(NAME ": Accepting connections\n");
  91         task_retval(0);
  92         async_manager();
  93
  94         /* not reached */
  95         return 0;
  96
  97 err:
  98         printf(NAME ": Failed to register file system: %s\n", str_error(rc));
  99         return rc;
 100 }
 101
 102
 103 /**
 104  * @}
 105  */