OpenSolaris_b135/cmd/cdrw/blank.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#include <unistd.h>
#include "msgs.h"
#include "mmc.h"
#include "util.h"
#include "transport.h"
#include "main.h"
#include "misc_scsi.h"
/*
* This is called recursively once, if an ALL blank succeeds but the
* media is not blank we call blank() again to perform a fast blank.
* This is a workaround for some drives such as older Toshiba DVD-RW
* which has this problem with ALL blanking.
*/
void
blank(void)
{
int type, invalid;
int count, ret;
uchar_t *di, *buf;
int immediate, err;
int silent_pass = 0;
/*
* silent_pass is set to 1 whenever we do not want to print
* information messages. This is the case where blank() function
* is called within the blank() function or the blank() function
* is called from other functions within cdrw to blank the media
* as part of other operations (clearing ghost TOC, closing the media
* after a write operation, etc). In all those cases we need not print
* or duplicate information messages. We should also return from the
* blank() function to the calling function in those cases.
*/
int ignore_error = 0;
/*
* ignore_error is set to 1 whenever we do not want to report any
* error messages to the user and make things transparent to the
* user (For eg: Clearing ghost TOC during write simulation).
*/
invalid = 0;
err = 0;
(void) check_device(target, CHECK_TYPE_NOT_CDROM | CHECK_NO_MEDIA |
EXIT_IF_CHECK_FAILED);
(void) check_device(target, CHECK_DEVICE_NOT_READY |
CHECK_DEVICE_NOT_WRITABLE | EXIT_IF_CHECK_FAILED);
if (blanking_type == NULL) {
invalid = 1;
}
get_media_type(target->d_fd);
if (strcmp(blanking_type, "all") == 0) {
/* erase the whole disk */
type = ALL;
} else if (strcmp(blanking_type, "session") == 0) {
/* only erase the last session */
type = SESSION;
} else if (strcmp(blanking_type, "fast") == 0) {
/* quick blank the TOC on the media */
type = FAST;
} else if (strcmp(blanking_type, "leadout") == 0) {
/* erase the track tail to unclose the media */
type = LEADOUT;
silent_pass = 1;
} else if (strcmp(blanking_type, "clear") == 0) {
/*
* used for drives where "all" blanking fails,
* if it fails we follow up with a quick erase of TOC.
* This is only called from within this function to do
* a second blanking pass.
*/
type = CLEAR;
silent_pass = 1;
} else if (strcmp(blanking_type, "clear_ghost") == 0) {
/*
* used for drives in simulation mode to blank ghost
* TOC after simulation write is complete.
*/
type = CLEAR;
silent_pass = 1;
ignore_error = 1;
} else {
/* invalid blank type was passed on the command line */
invalid = 1;
}
if (invalid) {
err_msg(gettext("Invalid blanking type specified\n"));
exit(1);
}
/*
* many DVD+RW drives do not allow blanking the media, it is also
* not included in the spec, we would just reformat the media prior
* to writing. This is not the equivelent to blanking as the media
* contains a TOC when formatted.
*/
if (device_type == DVD_PLUS_W) {
if (ignore_error)
return;
err_msg(gettext("Blanking cannot be done on DVD+RW media\n"));
exit(1);
}
if ((target->d_inq[2] & 7) != 0) {
/* SCSI device */
immediate = 0;
} else {
/* non-SCSI (e.g ATAPI) device */
immediate = 1;
}
/* we are doing a second pass. We don't want to re-print messsages */
if (!silent_pass)
print_n_flush(gettext("Initializing device..."));
/* Make sure that test write is off */
buf = (uchar_t *)my_zalloc(64);
/* get mode page for test writing if it fails we cannot turn it off */
if (!get_mode_page(target->d_fd, 5, 0, 64, buf)) {
if (ignore_error)
return;
err_msg(gettext("Device not supported\n"));
exit(1);
}
buf[2] &= 0xef;
/* turn laser on */
if (!set_mode_page(target->d_fd, buf)) {
if (ignore_error)
return;
err_msg(gettext("Unable to configure device\n"));
exit(1);
}
free(buf);
/* we are doing a second pass. We don't want to re-print messsages */
if (!silent_pass) {
/* l10n_NOTE : 'done' as in "Initializing device...done" */
(void) printf(gettext("done.\n"));
print_n_flush(gettext(
"Blanking the media (Can take several minutes)..."));
}
if (!blank_disc(target->d_fd, type, immediate)) {
if (ignore_error)
return;
err_msg(gettext("Blank command failed\n"));
if (debug)
(void) printf("%x %x %x %x\n", uscsi_status,
SENSE_KEY(rqbuf), ASC(rqbuf), ASCQ(rqbuf));
goto blank_failed;
}
/* Allow the blanking to start */
(void) sleep(10);
/*
* set ATAPI devices to immediately return from the command and poll
* so that we don't hog the channel.
*/
if (immediate) {
di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
/* Blanking should not take more than 75 minutes */
for (count = 0; count < (16*60); count++) {
ret = read_disc_info(target->d_fd, di);
if (ret != 0)
break;
if (uscsi_status != 2)
err = 1;
/* not ready but not becoming ready */
if (SENSE_KEY(rqbuf) == 2) {
if (ASC(rqbuf) != 4)
err = 1;
/* illegal mode for this track */
} else if (SENSE_KEY(rqbuf) == 5) {
if (ASC(rqbuf) != 0x64)
err = 1;
} else {
err = 1;
}
if (err == 1) {
if (ignore_error)
break;
err_msg(gettext("Blanking operation failed\n"));
if (debug) {
(void) printf("%x %x %x %x\n",
uscsi_status, SENSE_KEY(rqbuf),
ASC(rqbuf), ASCQ(rqbuf));
}
free(di);
goto blank_failed;
}
(void) sleep(5);
}
free(di);
if (count == (16*60)) {
if (!silent_pass) {
(void) printf(gettext(
"Blank command timed out.\n"));
}
goto blank_failed;
}
}
/* we are doing a second pass. We don't want to re-print messsages */
if (!silent_pass) {
/* l10n_NOTE : 'done' as in "Erasing track 1...done" */
(void) printf(gettext("done.\n"));
}
/*
* some cruft left from all blanking, this has been seen on some
* newer drives including Toshiba SD-6112 DVD-RW and Sony 510A.
* we will do a second pass with a recursive call to blank the
* lead-in.
*/
if (type == ALL) {
if (check_device(target, CHECK_MEDIA_IS_NOT_BLANK)) {
blanking_type = "clear";
blank();
if (silent_pass)
return;
exit(0);
}
}
/*
* We erased part of the leadout for the media to unclose
* the disk, we still need to generate an appendable leadout
* so that the next track can be written. so do not eject or exit.
*/
if (silent_pass)
return;
if (vol_running)
(void) eject_media(target);
exit(0);
blank_failed:
if ((type != ALL) && !silent_pass) {
(void) printf("Try using blanking type 'all'\n");
}
if (silent_pass)
return;
if (vol_running)
(void) eject_media(target);
exit(1);
}