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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Brasero
* Copyright (C) Philippe Rouquier 2005-2009 <bonfire-app@wanadoo.fr>
*
* Libbrasero-media is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The Libbrasero-media authors hereby grant permission for non-GPL compatible
* GStreamer plugins to be used and distributed together with GStreamer
* and Libbrasero-media. This permission is above and beyond the permissions granted
* by the GPL license by which Libbrasero-media is covered. If you modify this code
* you may extend this exception to your version of the code, but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version.
*
* Libbrasero-media is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdio.h>
#include "brasero-media-private.h"
#include "scsi-error.h"
#include "scsi-utils.h"
#include "scsi-base.h"
#include "scsi-sense-data.h"
/**
* defines to interpret sense data (returned after SENSE REQUEST)
* (defined in SCSI Primary command 3 / SPC specs)
**/
#define SENSE_DATA_KEY(sense) ((sense) ? (sense) [2] & 0x0F : 0x00) /* Sense code itself */
#define SENSE_DATA_ASC(sense) ((sense) ? (sense) [12] : 0x00) /* Additional Sense Code */
#define SENSE_DATA_ASCQ(sense) ((sense) ? (sense) [13] : 0x00) /* Additional Sense Code Qualifier */
#define SENSE_DATA_ASC_ASCQ(sense) ((sense) ? (sense) [12] << 8 | (sense) [13] : 0x00) /* ASC and ASCQ combined */
#define SENSE_CODE_NOT_READY 0x02
#define SENSE_CODE_ILLEGAL_REQUEST 0x05
#define SENSE_CODE_UNIT_ATTENTION 0x06
#define ASC_CODE_NOT_READY 0x04
#define ASC_CODE_NO_MEDIUM 0x3A
#define ASC_CODE_PARAMETER 0x26
#define ASC_CODE_PROTECTION_KEY 0x6F
#define ASC_ASCQ_CODE_INVALID_COMMAND 0x2000
#define ASC_ASCQ_CODE_OUTRANGE_ADDRESS 0x2100
#define ASC_ASCQ_CODE_INVALID_ADDRESS 0x2101
#define ASC_ASCQ_CODE_INVALID_FIELD_IN_PARAM 0x2600
#define ASC_ASCQ_CODE_INVALID_FIELD_IN_CDB 0x2400
#define ASC_ASCQ_CODE_INSUFFICIENT_TIME_FOR_OPERATION 0x2E00
#define ASC_ASCQ_CODE_KEY_NOT_ESTABLISHED 0x6F02
#define ASC_ASCQ_CODE_SCRAMBLED_SECTOR 0x6F03
#define ASC_ASCQ_CODE_INVALID_TRACK_MODE 0x6400
#define ASC_ASCQ_CODE_MEDIUM_CHANGED 0x2800
/**
* error processing
*/
static void
brasero_sense_data_print (uchar *sense_data)
{
int i;
if (!sense_data)
return;
/* Print that in a more sensible way */
BRASERO_MEDIA_LOG ("SK=0x%02x ASC=0x%02x ASCQ=0x%02x",
SENSE_DATA_KEY (sense_data),
SENSE_DATA_ASC (sense_data),
SENSE_DATA_ASCQ (sense_data));
printf ("Sense key: 0x%02x ", sense_data [0]);
for (i = 1; i < BRASERO_SENSE_DATA_SIZE; i ++)
printf ("0x%02x ", sense_data [i]);
printf ("\n");
}
static BraseroScsiResult
brasero_sense_data_unknown (uchar *sense_data, BraseroScsiErrCode *err)
{
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_ERR_UNKNOWN);
brasero_sense_data_print (sense_data);
return BRASERO_SCSI_FAILURE;
}
static BraseroScsiResult
brasero_sense_data_not_ready (uchar *sense_data, BraseroScsiErrCode *err)
{
BraseroScsiResult res = BRASERO_SCSI_FAILURE;
switch (SENSE_DATA_ASC (sense_data)) {
case ASC_CODE_NO_MEDIUM:
/* No need to use BRASERO_SCSI_SET_ERRCODE
* as this is not necessarily an error */
*err = BRASERO_SCSI_NO_MEDIUM;
break;
case ASC_CODE_NOT_READY:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_NOT_READY);
break;
default:
res = brasero_sense_data_unknown (sense_data, err);
break;
}
return res;
}
static BraseroScsiResult
brasero_sense_data_illegal_request (uchar *sense_data, BraseroScsiErrCode *err)
{
BraseroScsiResult res = BRASERO_SCSI_FAILURE;
switch (SENSE_DATA_ASC_ASCQ (sense_data)) {
case ASC_ASCQ_CODE_INVALID_COMMAND:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_INVALID_COMMAND);
break;
case ASC_ASCQ_CODE_OUTRANGE_ADDRESS:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_OUTRANGE_ADDRESS);
break;
case ASC_ASCQ_CODE_INVALID_ADDRESS:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_INVALID_ADDRESS);
break;
case ASC_ASCQ_CODE_INVALID_FIELD_IN_PARAM:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_INVALID_PARAMETER);
break;
case ASC_ASCQ_CODE_INVALID_FIELD_IN_CDB:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_INVALID_FIELD);
break;
case ASC_ASCQ_CODE_KEY_NOT_ESTABLISHED:
case ASC_ASCQ_CODE_SCRAMBLED_SECTOR:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_KEY_NOT_ESTABLISHED);
break;
case ASC_ASCQ_CODE_INVALID_TRACK_MODE:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_INVALID_TRACK_MODE);
break;
default:
res = brasero_sense_data_unknown (sense_data, err);
break;
}
return res;
}
static BraseroScsiResult
brasero_sense_data_unit_attention (uchar *sense_data,
BraseroScsiErrCode *err)
{
BraseroScsiResult res = BRASERO_SCSI_FAILURE;
switch (SENSE_DATA_ASC_ASCQ (sense_data)) {
case ASC_ASCQ_CODE_INSUFFICIENT_TIME_FOR_OPERATION:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_TIMEOUT);
break;
case ASC_ASCQ_CODE_MEDIUM_CHANGED:
BRASERO_SCSI_SET_ERRCODE (err, BRASERO_SCSI_NOT_READY);
break;
default:
res = brasero_sense_data_unknown (sense_data, err);
break;
}
return res;
}
BraseroScsiResult
brasero_sense_data_process (uchar *sense_data,
BraseroScsiErrCode *err)
{
BraseroScsiResult res = BRASERO_SCSI_FAILURE;
errno = EIO;
/* see if something was written to the sense buffer and if we
* can interpret more precisely what went wrong */
switch (SENSE_DATA_KEY (sense_data)) {
case SENSE_CODE_NOT_READY:
res = brasero_sense_data_not_ready (sense_data, err);
break;
case SENSE_CODE_ILLEGAL_REQUEST:
res = brasero_sense_data_illegal_request (sense_data, err);
break;
case SENSE_CODE_UNIT_ATTENTION:
res = brasero_sense_data_unit_attention (sense_data, err);
break;
default:
res = brasero_sense_data_unknown (sense_data, err);
break;
}
return res;
}
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