xref: /titanic_51/usr/src/cmd/cdrw/blank.c (revision 450396635f70344c58b6b1e4db38cf17ff34445c)
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 #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 	/*
57 	 * silent_pass is set to 1 whenever we do not want to print
58 	 * information messages. This is the case where blank() function
59 	 * is called within the blank() function or the blank() function
60 	 * is called from other functions within cdrw to blank the media
61 	 * as part of other operations (clearing ghost TOC, closing the media
62 	 * after a write operation, etc). In all those cases we need not print
63 	 * or duplicate information messages. We should also return from the
64 	 * blank() function to the calling function in those cases.
65 	 */
66 	int ignore_error = 0;
67 	/*
68 	 * ignore_error is set to 1 whenever we do not want to report any
69 	 * error messages to the user and make things transparent to the
70 	 * user (For eg: Clearing ghost TOC during write simulation).
71 	 */
72 
73 	invalid = 0;
74 	err = 0;
75 
76 	(void) check_device(target, CHECK_TYPE_NOT_CDROM | CHECK_NO_MEDIA |
77 	    EXIT_IF_CHECK_FAILED);
78 	(void) check_device(target, CHECK_DEVICE_NOT_READY |
79 	    CHECK_DEVICE_NOT_WRITABLE | EXIT_IF_CHECK_FAILED);
80 
81 	if (blanking_type == NULL) {
82 		invalid = 1;
83 	}
84 
85 	get_media_type(target->d_fd);
86 
87 	if (strcmp(blanking_type, "all") == 0) {
88 		/* erase the whole disk */
89 		type = ALL;
90 	} else if (strcmp(blanking_type, "session") == 0) {
91 		/* only erase the last session */
92 		type = SESSION;
93 	} else if (strcmp(blanking_type, "fast") == 0) {
94 		/* quick blank the TOC on the media */
95 		type = FAST;
96 	} else if (strcmp(blanking_type, "leadout") == 0) {
97 		/* erase the track tail to unclose the media */
98 		type = LEADOUT;
99 		silent_pass = 1;
100 	} else if (strcmp(blanking_type, "clear") == 0) {
101 		/*
102 		 * used for drives where "all" blanking fails,
103 		 * if it fails we follow up with a quick erase of TOC.
104 		 * This is only called from within this function to do
105 		 * a second blanking pass.
106 		 */
107 		type = CLEAR;
108 		silent_pass = 1;
109 	} else if (strcmp(blanking_type, "clear_ghost") == 0) {
110 		/*
111 		 * used for drives in simulation mode to blank ghost
112 		 * TOC after simulation write is complete.
113 		 */
114 		type = CLEAR;
115 		silent_pass = 1;
116 		ignore_error = 1;
117 	} else {
118 		/* invalid blank type was passed on the command line */
119 		invalid = 1;
120 	}
121 
122 	if (invalid) {
123 		err_msg(gettext("Invalid blanking type specified\n"));
124 		exit(1);
125 	}
126 
127 	/*
128 	 * many DVD+RW drives do not allow blanking the media, it is also
129 	 * not included in the spec, we would just reformat the media prior
130 	 * to writing. This is not the equivelent to blanking as the media
131 	 * contains a TOC when formatted.
132 	 */
133 	if (device_type == DVD_PLUS_W) {
134 		if (ignore_error)
135 			return;
136 		err_msg(gettext("Blanking cannot be done on DVD+RW media\n"));
137 		exit(1);
138 	}
139 
140 	if ((target->d_inq[2] & 7) != 0) {
141 		/* SCSI device */
142 		immediate = 0;
143 	} else {
144 		/* non-SCSI (e.g ATAPI) device */
145 		immediate = 1;
146 	}
147 
148 	/* we are doing a second pass. We don't want to re-print messsages */
149 	if (!silent_pass)
150 		print_n_flush(gettext("Initializing device..."));
151 
152 	/* Make sure that test write is off */
153 	buf = (uchar_t *)my_zalloc(64);
154 
155 	/* get mode page for test writing if it fails we cannot turn it off */
156 	if (!get_mode_page(target->d_fd, 5, 0, 64, buf)) {
157 		if (ignore_error)
158 			return;
159 		err_msg(gettext("Device not supported\n"));
160 		exit(1);
161 	}
162 
163 	buf[2] &= 0xef;
164 
165 	/* turn laser on */
166 	if (!set_mode_page(target->d_fd, buf)) {
167 		if (ignore_error)
168 			return;
169 		err_msg(gettext("Unable to configure device\n"));
170 		exit(1);
171 	}
172 	free(buf);
173 
174 	/* we are doing a second pass. We don't want to re-print messsages */
175 	if (!silent_pass) {
176 		/* l10n_NOTE : 'done' as in "Initializing device...done"  */
177 		(void) printf(gettext("done.\n"));
178 
179 		print_n_flush(gettext(
180 		    "Blanking the media (Can take several minutes)..."));
181 	}
182 	if (!blank_disc(target->d_fd, type, immediate)) {
183 		if (ignore_error)
184 			return;
185 		err_msg(gettext("Blank command failed\n"));
186 		if (debug)
187 			(void) printf("%x %x %x %x\n", uscsi_status,
188 			    SENSE_KEY(rqbuf), ASC(rqbuf), ASCQ(rqbuf));
189 		goto blank_failed;
190 	}
191 	/* Allow the blanking to start */
192 	(void) sleep(10);
193 
194 	/*
195 	 * set ATAPI devices to immediately return from the command and poll
196 	 * so that we don't hog the channel.
197 	 */
198 
199 	if (immediate) {
200 		di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
201 		/* Blanking should not take more than 75 minutes */
202 		for (count = 0; count < (16*60); count++) {
203 			ret = read_disc_info(target->d_fd, di);
204 			if (ret != 0)
205 				break;
206 			if (uscsi_status != 2)
207 				err = 1;
208 			/* not ready but not becoming ready */
209 			if (SENSE_KEY(rqbuf) == 2) {
210 				if (ASC(rqbuf) != 4)
211 					err = 1;
212 			/* illegal mode for this track */
213 			} else if (SENSE_KEY(rqbuf) == 5) {
214 				if (ASC(rqbuf) != 0x64)
215 					err = 1;
216 			} else {
217 				err = 1;
218 			}
219 			if (err == 1) {
220 				if (ignore_error)
221 					break;
222 				err_msg(gettext("Blanking operation failed\n"));
223 				if (debug) {
224 					(void) printf("%x %x %x %x\n",
225 					    uscsi_status, SENSE_KEY(rqbuf),
226 					    ASC(rqbuf), ASCQ(rqbuf));
227 				}
228 				free(di);
229 				goto blank_failed;
230 			}
231 			(void) sleep(5);
232 		}
233 		free(di);
234 		if (count == (16*60)) {
235 			if (!silent_pass) {
236 				(void) printf(gettext(
237 				    "Blank command timed out.\n"));
238 			}
239 			goto blank_failed;
240 		}
241 	}
242 	/* we are doing a second pass. We don't want to re-print messsages */
243 	if (!silent_pass) {
244 		/* l10n_NOTE : 'done' as in "Erasing track 1...done"  */
245 		(void) printf(gettext("done.\n"));
246 	}
247 
248 	/*
249 	 * some cruft left from all blanking, this has been seen on some
250 	 * newer drives including Toshiba SD-6112 DVD-RW and Sony 510A.
251 	 * we will do a second pass with a recursive call to blank the
252 	 * lead-in.
253 	 */
254 	if (type == ALL) {
255 		if (check_device(target,  CHECK_MEDIA_IS_NOT_BLANK)) {
256 			blanking_type = "clear";
257 			blank();
258 			if (silent_pass)
259 				return;
260 			exit(0);
261 		}
262 	}
263 
264 	/*
265 	 * We erased part of the leadout for the media to unclose
266 	 * the disk, we still need to generate an appendable leadout
267 	 * so that the next track can be written. so do not eject or exit.
268 	 */
269 	if (silent_pass)
270 		return;
271 
272 	if (vol_running)
273 		(void) eject_media(target);
274 	exit(0);
275 blank_failed:
276 	if ((type != ALL) && !silent_pass) {
277 		(void) printf("Try using blanking type 'all'\n");
278 	}
279 	if (silent_pass)
280 		return;
281 	if (vol_running)
282 		(void) eject_media(target);
283 	exit(1);
284 }
285