xref: /titanic_52/usr/src/cmd/cdrw/blank.c (revision bdfc6d18da790deeec2e0eb09c625902defe2498)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/types.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <libintl.h>
33 #include <unistd.h>
34 
35 #include "msgs.h"
36 #include "mmc.h"
37 #include "util.h"
38 #include "transport.h"
39 #include "main.h"
40 #include "misc_scsi.h"
41 
42 /*
43  * This is called recursively once, if an ALL blank succeeds but the
44  * media is not blank we call blank() again to perform a fast blank.
45  * This is a workaround for some drives such as older Toshiba DVD-RW
46  * which has this problem with ALL blanking.
47  */
48 void
49 blank(void)
50 {
51 	int type, invalid;
52 	int count, ret;
53 	uchar_t *di, *buf;
54 	int immediate, err;
55 	int silent_pass = 0;
56 	invalid = 0;
57 	err = 0;
58 
59 	(void) check_device(target, CHECK_TYPE_NOT_CDROM | CHECK_NO_MEDIA |
60 	    EXIT_IF_CHECK_FAILED);
61 	(void) check_device(target, CHECK_DEVICE_NOT_READY |
62 	    CHECK_DEVICE_NOT_WRITABLE | EXIT_IF_CHECK_FAILED);
63 
64 	if (blanking_type == NULL) {
65 		invalid = 1;
66 	}
67 
68 	get_media_type(target->d_fd);
69 
70 	/*
71 	 * many DVD+RW drives do not allow blanking the media, it is also
72 	 * not included in the spec, we would just reformat the media prior
73 	 * to writing. This is not the equivelent to blanking as the media
74 	 * contains a TOC when formatted.
75 	 */
76 	if (device_type == DVD_PLUS_W) {
77 		err_msg(gettext("Blanking cannot be done on DVD+RW media\n"));
78 		exit(1);
79 	}
80 
81 	if (strcmp(blanking_type, "all") == 0) {
82 		/* erase the whole disk */
83 		type = ALL;
84 	} else if (strcmp(blanking_type, "session") == 0) {
85 		/* only erase the last session */
86 		type = SESSION;
87 	} else if (strcmp(blanking_type, "fast") == 0) {
88 		/* quick blank the TOC on the media */
89 		type = FAST;
90 	} else if (strcmp(blanking_type, "leadout") == 0) {
91 		/* erase the track tail to unclose the media */
92 		type = LEADOUT;
93 		silent_pass = 1;
94 	} else if (strcmp(blanking_type, "clear") == 0) {
95 		/*
96 		 * used for drives where "all" blanking fails,
97 		 * if it fails we follow up with a quick erase of TOC.
98 		 * This is only called from within this function to do
99 		 * a second blanking pass.
100 		 */
101 		type = CLEAR;
102 		silent_pass = 1;
103 	} else {
104 		/* invalid blank type was passed on the command line */
105 		invalid = 1;
106 	}
107 
108 	if (invalid) {
109 		err_msg(gettext("Invalid blanking type specified\n"));
110 		exit(1);
111 	}
112 	if ((target->d_inq[2] & 7) != 0) {
113 		/* SCSI device */
114 		immediate = 0;
115 	} else {
116 		/* non-SCSI (e.g ATAPI) device */
117 		immediate = 1;
118 	}
119 
120 	/* we are doing a second pass. We don't want to re-print messsages */
121 	if (!silent_pass)
122 		print_n_flush(gettext("Initializing device..."));
123 
124 	/* Make sure that test write is off */
125 	buf = (uchar_t *)my_zalloc(64);
126 
127 	/* get mode page for test writing if it fails we cannot turn it off */
128 	if (!get_mode_page(target->d_fd, 5, 0, 64, buf)) {
129 		err_msg(gettext("Device not supported\n"));
130 		exit(1);
131 	}
132 
133 	buf[2] &= 0xef;
134 
135 	/* turn laser on */
136 	if (!set_mode_page(target->d_fd, buf)) {
137 		err_msg(gettext("Unable to configure device\n"));
138 		exit(1);
139 	}
140 	free(buf);
141 
142 	/* we are doing a second pass. We don't want to re-print messsages */
143 	if (!silent_pass) {
144 		/* l10n_NOTE : 'done' as in "Initializing device...done"  */
145 		(void) printf(gettext("done.\n"));
146 
147 		print_n_flush(gettext(
148 		    "Blanking the media (Can take several minutes)..."));
149 	}
150 	if (!blank_disc(target->d_fd, type, immediate)) {
151 		err_msg(gettext("Blank command failed\n"));
152 		if (debug)
153 			(void) printf("%x %x %x %x\n", uscsi_status,
154 			    SENSE_KEY(rqbuf), ASC(rqbuf), ASCQ(rqbuf));
155 		goto blank_failed;
156 	}
157 	/* Allow the blanking to start */
158 	(void) sleep(10);
159 
160 	/*
161 	 * set ATAPI devices to immediately return from the command and poll
162 	 * so that we don't hog the channel.
163 	 */
164 
165 	if (immediate) {
166 		di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
167 		/* Blanking should not take more than 75 minutes */
168 		for (count = 0; count < (16*60); count++) {
169 			ret = read_disc_info(target->d_fd, di);
170 			if (ret != 0)
171 				break;
172 			if (uscsi_status != 2)
173 				err = 1;
174 			/* not ready but not becoming ready */
175 			if (SENSE_KEY(rqbuf) == 2) {
176 				if (ASC(rqbuf) != 4)
177 					err = 1;
178 			/* illegal mode for this track */
179 			} else if (SENSE_KEY(rqbuf) == 5) {
180 				if (ASC(rqbuf) != 0x64)
181 					err = 1;
182 			} else {
183 				err = 1;
184 			}
185 			if (err == 1) {
186 				err_msg(gettext("Blanking operation failed\n"));
187 				if (debug) {
188 					(void) printf("%x %x %x %x\n",
189 					    uscsi_status, SENSE_KEY(rqbuf),
190 					    ASC(rqbuf), ASCQ(rqbuf));
191 				}
192 				free(di);
193 				goto blank_failed;
194 			}
195 			(void) sleep(5);
196 		}
197 		free(di);
198 		if (count == (16*60)) {
199 			(void) printf(gettext("Blank command timed out.\n"));
200 			goto blank_failed;
201 		}
202 	}
203 	/* we are doing a second pass. We don't want to re-print messsages */
204 	if (!silent_pass) {
205 		/* l10n_NOTE : 'done' as in "Erasing track 1...done"  */
206 		(void) printf(gettext("done.\n"));
207 	}
208 
209 	/*
210 	 * some cruft left from all blanking, this has been seen on some
211 	 * newer drives including Toshiba SD-6112 DVD-RW and Sony 510A.
212 	 * we will do a second pass with a recursive call to blank the
213 	 * lead-in.
214 	 */
215 	if (type == ALL) {
216 		if ((check_device(target,  CHECK_MEDIA_IS_NOT_BLANK)) &&
217 		    (!vol_running)) {
218 			blanking_type = "clear";
219 			blank();
220 			exit(0);
221 		}
222 	}
223 
224 	/*
225 	 * We erased part of the leadout for the media to unclose
226 	 * the disk, we still need to generate an appendable leadout
227 	 * so that the next track can be written. so do not eject or exit.
228 	 */
229 	if (silent_pass)
230 		return;
231 
232 	if (vol_running)
233 		(void) eject_media(target);
234 	exit(0);
235 blank_failed:
236 	if ((type != ALL) && !silent_pass) {
237 		(void) printf("Try using blanking type 'all'\n");
238 	}
239 	if (vol_running)
240 		(void) eject_media(target);
241 	exit(1);
242 }
243