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
blank(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