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
blank(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