libbrasero-media/scsi-mech-status.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
   2 /*
   3  * Libbrasero-media
   4  * Copyright (C) Philippe Rouquier 2005-2009 <bonfire-app@wanadoo.fr>
   5  *
   6  * Libbrasero-media is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * The Libbrasero-media authors hereby grant permission for non-GPL compatible
  12  * GStreamer plugins to be used and distributed together with GStreamer
  13  * and Libbrasero-media. This permission is above and beyond the permissions granted
  14  * by the GPL license by which Libbrasero-media is covered. If you modify this code
  15  * you may extend this exception to your version of the code, but you are not
  16  * obligated to do so. If you do not wish to do so, delete this exception
  17  * statement from your version.
  18  *
  19  * Libbrasero-media is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Library General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to:
  26  *      The Free Software Foundation, Inc.,
  27  *      51 Franklin Street, Fifth Floor
  28  *      Boston, MA  02110-1301, USA.
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #  include <config.h>
  33 #endif
  34
  35 #include <glib.h>
  36
  37 #include "scsi-mmc1.h"
  38
  39 #include "scsi-error.h"
  40 #include "scsi-utils.h"
  41 #include "scsi-base.h"
  42 #include "scsi-command.h"
  43 #include "scsi-opcodes.h"
  44 #include "scsi-mech-status.h"
  45
  46 struct _BraseroScsiMechStatusCDB {
  47         uchar opcode;
  48
  49         uchar res1              [7];
  50         uchar len               [2];
  51         uchar res2;
  52
  53         uchar ctl;
  54 };
  55
  56 typedef struct _BraseroScsiMechStatusCDB BraseroScsiMechStatusCDB;
  57
  58 BRASERO_SCSI_COMMAND_DEFINE (BraseroScsiMechStatusCDB,
  59                              MECH_STATUS,
  60                              BRASERO_SCSI_READ);
  61
  62 BraseroScsiResult
  63 brasero_mmc1_mech_status (BraseroDeviceHandle *handle,
  64                           BraseroScsiMechStatusHdr *hdr,
  65                           BraseroScsiErrCode *error)
  66 {
  67         BraseroScsiMechStatusCDB *cdb;
  68         BraseroScsiResult res;
  69
  70         g_return_val_if_fail (handle != NULL, BRASERO_SCSI_FAILURE);
  71
  72         cdb = brasero_scsi_command_new (&info, handle);
  73         BRASERO_SET_16 (cdb->len, sizeof (BraseroScsiMechStatusHdr));
  74
  75         memset (hdr, 0, sizeof (BraseroScsiMechStatusHdr));
  76         res = brasero_scsi_command_issue_sync (cdb,
  77                                                hdr,
  78                                                sizeof (BraseroScsiMechStatusHdr),
  79                                                error);
  80         brasero_scsi_command_free (cdb);
  81         return res;
  82 }