xref: /illumos-gate/usr/src/cmd/cdrw/blank.c (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <libintl.h>
31 #include <unistd.h>
32 
33 #include "msgs.h"
34 #include "mmc.h"
35 #include "util.h"
36 #include "transport.h"
37 #include "main.h"
38 #include "misc_scsi.h"
39 
40 /*
41  * This is called recursively once, if an ALL blank succeeds but the
42  * media is not blank we call blank() again to perform a fast blank.
43  * This is a workaround for some drives such as older Toshiba DVD-RW
44  * which has this problem with ALL blanking.
45  */
46 void
47 blank(void)
48 {
49 	int type, invalid;
50 	int count, ret;
51 	uchar_t *di, *buf;
52 	int immediate, err;
53 	int silent_pass = 0;
54 	/*
55 	 * silent_pass is set to 1 whenever we do not want to print
56 	 * information messages. This is the case where blank() function
57 	 * is called within the blank() function or the blank() function
58 	 * is called from other functions within cdrw to blank the media
59 	 * as part of other operations (clearing ghost TOC, closing the media
60 	 * after a write operation, etc). In all those cases we need not print
61 	 * or duplicate information messages. We should also return from the
62 	 * blank() function to the calling function in those cases.
63 	 */
64 	int ignore_error = 0;
65 	/*
66 	 * ignore_error is set to 1 whenever we do not want to report any
67 	 * error messages to the user and make things transparent to the
68 	 * user (For eg: Clearing ghost TOC during write simulation).
69 	 */
70 
71 	invalid = 0;
72 	err = 0;
73 
74 	(void) check_device(target, CHECK_TYPE_NOT_CDROM | CHECK_NO_MEDIA |
75 	    EXIT_IF_CHECK_FAILED);
76 	(void) check_device(target, CHECK_DEVICE_NOT_READY |
77 	    CHECK_DEVICE_NOT_WRITABLE | EXIT_IF_CHECK_FAILED);
78 
79 	if (blanking_type == NULL) {
80 		invalid = 1;
81 	}
82 
83 	get_media_type(target->d_fd);
84 
85 	if (strcmp(blanking_type, "all") == 0) {
86 		/* erase the whole disk */
87 		type = ALL;
88 	} else if (strcmp(blanking_type, "session") == 0) {
89 		/* only erase the last session */
90 		type = SESSION;
91 	} else if (strcmp(blanking_type, "fast") == 0) {
92 		/* quick blank the TOC on the media */
93 		type = FAST;
94 	} else if (strcmp(blanking_type, "leadout") == 0) {
95 		/* erase the track tail to unclose the media */
96 		type = LEADOUT;
97 		silent_pass = 1;
98 	} else if (strcmp(blanking_type, "clear") == 0) {
99 		/*
100 		 * used for drives where "all" blanking fails,
101 		 * if it fails we follow up with a quick erase of TOC.
102 		 * This is only called from within this function to do
103 		 * a second blanking pass.
104 		 */
105 		type = CLEAR;
106 		silent_pass = 1;
107 	} else if (strcmp(blanking_type, "clear_ghost") == 0) {
108 		/*
109 		 * used for drives in simulation mode to blank ghost
110 		 * TOC after simulation write is complete.
111 		 */
112 		type = CLEAR;
113 		silent_pass = 1;
114 		ignore_error = 1;
115 	} else {
116 		/* invalid blank type was passed on the command line */
117 		invalid = 1;
118 	}
119 
120 	if (invalid) {
121 		err_msg(gettext("Invalid blanking type specified\n"));
122 		exit(1);
123 	}
124 
125 	/*
126 	 * many DVD+RW drives do not allow blanking the media, it is also
127 	 * not included in the spec, we would just reformat the media prior
128 	 * to writing. This is not the equivelent to blanking as the media
129 	 * contains a TOC when formatted.
130 	 */
131 	if (device_type == DVD_PLUS_W) {
132 		if (ignore_error)
133 			return;
134 		err_msg(gettext("Blanking cannot be done on DVD+RW media\n"));
135 		exit(1);
136 	}
137 
138 	if ((target->d_inq[2] & 7) != 0) {
139 		/* SCSI device */
140 		immediate = 0;
141 	} else {
142 		/* non-SCSI (e.g ATAPI) device */
143 		immediate = 1;
144 	}
145 
146 	/* we are doing a second pass. We don't want to re-print messsages */
147 	if (!silent_pass)
148 		print_n_flush(gettext("Initializing device..."));
149 
150 	/* Make sure that test write is off */
151 	buf = (uchar_t *)my_zalloc(64);
152 
153 	/* get mode page for test writing if it fails we cannot turn it off */
154 	if (!get_mode_page(target->d_fd, 5, 0, 64, buf)) {
155 		if (ignore_error)
156 			return;
157 		err_msg(gettext("Device not supported\n"));
158 		exit(1);
159 	}
160 
161 	buf[2] &= 0xef;
162 
163 	/* turn laser on */
164 	if (!set_mode_page(target->d_fd, buf)) {
165 		if (ignore_error)
166 			return;
167 		err_msg(gettext("Unable to configure device\n"));
168 		exit(1);
169 	}
170 	free(buf);
171 
172 	/* we are doing a second pass. We don't want to re-print messsages */
173 	if (!silent_pass) {
174 		/* l10n_NOTE : 'done' as in "Initializing device...done"  */
175 		(void) printf(gettext("done.\n"));
176 
177 		print_n_flush(gettext(
178 		    "Blanking the media (Can take several minutes)..."));
179 	}
180 	if (!blank_disc(target->d_fd, type, immediate)) {
181 		if (ignore_error)
182 			return;
183 		err_msg(gettext("Blank command failed\n"));
184 		if (debug)
185 			(void) printf("%x %x %x %x\n", uscsi_status,
186 			    SENSE_KEY(rqbuf), ASC(rqbuf), ASCQ(rqbuf));
187 		goto blank_failed;
188 	}
189 	/* Allow the blanking to start */
190 	(void) sleep(10);
191 
192 	/*
193 	 * set ATAPI devices to immediately return from the command and poll
194 	 * so that we don't hog the channel.
195 	 */
196 
197 	if (immediate) {
198 		di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
199 		/* Blanking should not take more than 75 minutes */
200 		for (count = 0; count < (16*60); count++) {
201 			ret = read_disc_info(target->d_fd, di);
202 			if (ret != 0)
203 				break;
204 			if (uscsi_status != 2)
205 				err = 1;
206 			/* not ready but not becoming ready */
207 			if (SENSE_KEY(rqbuf) == 2) {
208 				if (ASC(rqbuf) != 4)
209 					err = 1;
210 			/* illegal mode for this track */
211 			} else if (SENSE_KEY(rqbuf) == 5) {
212 				if (ASC(rqbuf) != 0x64)
213 					err = 1;
214 			} else {
215 				err = 1;
216 			}
217 			if (err == 1) {
218 				if (ignore_error)
219 					break;
220 				err_msg(gettext("Blanking operation failed\n"));
221 				if (debug) {
222 					(void) printf("%x %x %x %x\n",
223 					    uscsi_status, SENSE_KEY(rqbuf),
224 					    ASC(rqbuf), ASCQ(rqbuf));
225 				}
226 				free(di);
227 				goto blank_failed;
228 			}
229 			(void) sleep(5);
230 		}
231 		free(di);
232 		if (count == (16*60)) {
233 			if (!silent_pass) {
234 				(void) printf(gettext(
235 				    "Blank command timed out.\n"));
236 			}
237 			goto blank_failed;
238 		}
239 	}
240 	/* we are doing a second pass. We don't want to re-print messsages */
241 	if (!silent_pass) {
242 		/* l10n_NOTE : 'done' as in "Erasing track 1...done"  */
243 		(void) printf(gettext("done.\n"));
244 	}
245 
246 	/*
247 	 * some cruft left from all blanking, this has been seen on some
248 	 * newer drives including Toshiba SD-6112 DVD-RW and Sony 510A.
249 	 * we will do a second pass with a recursive call to blank the
250 	 * lead-in.
251 	 */
252 	if (type == ALL) {
253 		if (check_device(target,  CHECK_MEDIA_IS_NOT_BLANK)) {
254 			blanking_type = "clear";
255 			blank();
256 			if (silent_pass)
257 				return;
258 			exit(0);
259 		}
260 	}
261 
262 	/*
263 	 * We erased part of the leadout for the media to unclose
264 	 * the disk, we still need to generate an appendable leadout
265 	 * so that the next track can be written. so do not eject or exit.
266 	 */
267 	if (silent_pass)
268 		return;
269 
270 	if (vol_running)
271 		(void) eject_media(target);
272 	exit(0);
273 blank_failed:
274 	if ((type != ALL) && !silent_pass) {
275 		(void) printf("Try using blanking type 'all'\n");
276 	}
277 	if (silent_pass)
278 		return;
279 	if (vol_running)
280 		(void) eject_media(target);
281 	exit(1);
282 }
283