xref: /illumos-gate/usr/src/cmd/cdrw/write_image.c (revision 0250c53ad267726f2438e3c6556199a0bbf588a2)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/types.h>
27 #include <stdlib.h>
28 #include <libintl.h>
29 #include <unistd.h>
30 #include "trackio.h"
31 #include "main.h"
32 #include "util.h"
33 #include "bstream.h"
34 #include "misc_scsi.h"
35 #include "msgs.h"
36 #include "device.h"
37 #include "mmc.h"
38 #include "transport.h"
39 
40 void
41 write_image(void)
42 {
43 	bstreamhandle h;
44 	off_t size;
45 	int no_size, ret;
46 
47 	get_media_type(target->d_fd);
48 
49 	/* DVD+RW does not have blanking and can be overwritten */
50 	if (device_type != DVD_PLUS_W) {
51 	(void) check_device(target, CHECK_DEVICE_NOT_READY |
52 	    CHECK_DEVICE_NOT_WRITABLE | CHECK_MEDIA_IS_NOT_WRITABLE |
53 	    EXIT_IF_CHECK_FAILED);
54 	} else {
55 		(void) check_device(target, CHECK_DEVICE_NOT_READY |
56 		    EXIT_IF_CHECK_FAILED);
57 	}
58 
59 	/*
60 	 * Simulation writing can't happen on DVD+RW's
61 	 * or DVD+R's. According to the MMC spec this
62 	 * operation is not supported. So we should
63 	 * bail out if the user tries to do a simulation
64 	 * write.
65 	 */
66 	if (simulation && (device_type == DVD_PLUS_W ||
67 	    device_type == DVD_PLUS)) {
68 		err_msg(gettext("Media does not support simulated writing.\n"));
69 		exit(1);
70 	}
71 
72 	write_init(TRACK_MODE_DATA);
73 
74 	if (image_file) {
75 		h = open_iso_read_stream(image_file);
76 	} else {
77 		h = open_stdin_read_stream();
78 	}
79 
80 	if (h == NULL) {
81 		err_msg(gettext("Cannot open %s: %s\n"),
82 		    image_file ? image_file : "stdin", get_err_str());
83 		exit(1);
84 	}
85 	no_size = 0;
86 	ret = h->bstr_size(h, &size);
87 	if (ret == 0) {
88 		if ((str_errno == STR_ERR_NO_REG_FILE)) {
89 			no_size = 1;
90 		} else {
91 			err_msg(gettext("Cannot stat input file: %s\n"),
92 			    get_err_str());
93 			exit(1);
94 		}
95 	}
96 	if ((no_size == 0) && (size == 0)) {
97 		err_msg(gettext("Input size(0) not valid\n"));
98 		exit(1);
99 	}
100 	if (no_size == 0) {
101 		off_t cap;
102 		struct track_info *ti;
103 		uint_t bsize;
104 
105 		ti = (struct track_info *)my_zalloc(sizeof (*ti));
106 		if (write_mode == TAO_MODE)
107 			if (!build_track_info(target, -1, ti)) {
108 				err_msg(
109 				    gettext("Unable to find out writable "
110 				    "address\n"));
111 				exit(1);
112 			}
113 		if (device_type == CD_RW) {
114 			if ((cap = get_last_possible_lba(target)) <= 0) {
115 				if ((cap = read_format_capacity(target->d_fd,
116 				    &bsize)) <= 0) {
117 					err_msg(gettext("Unable to determine "
118 					    "media capacity.  Defaulting to "
119 					    "650 MB (74 minute) disc.\n"));
120 					cap = MAX_CD_BLKS;
121 				}
122 			}
123 		} else {
124 			/*
125 			 * For DVD drives use read_format_capacity to
126 			 * find media size, it can be 3.6, 3.9, 4.2,
127 			 * 4.7, 9.2
128 			 */
129 			cap = read_format_capacity(target->d_fd,
130 			    &bsize);
131 			/*
132 			 * Sanity check; Default to 4.7 GB if cap unreasonable
133 			 */
134 			if (cap < MAX_CD_BLKS)
135 				cap = MAX_DVD_BLKS;
136 		}
137 
138 		if (device_type == CD_RW)
139 			cap = (cap + 1 - ti->ti_start_address) * 2048;
140 		else
141 			cap *= 2048 + 1;
142 
143 		if (size > cap) {
144 			err_msg(gettext("Size required (%lld bytes) is greater "
145 			    "than available space (%lld bytes).\n"), size, cap);
146 			exit(1);
147 		}
148 
149 		if (device_type == DVD_MINUS) {
150 			(void) printf(gettext("Preparing to write DVD\n"));
151 
152 			/* streamed file, we dont know the size to reserve */
153 			if (no_size == 1) {
154 				size = cap - 1;
155 			}
156 
157 			/* DAO requires that we reserve the size to write */
158 			if (debug)
159 				(void) printf(
160 				    "DAO_MODE:reserving track size of = 0x%x\n",
161 				    (uint32_t)(size/2048));
162 
163 			if (!set_reservation(target->d_fd, size/2048)) {
164 				(void) printf(gettext(
165 				    "Setting reservation failed\n"));
166 				exit(1);
167 			}
168 		} else if (device_type == DVD_PLUS_W) {
169 			/*
170 			 * DVD+RW requires that we format the media before
171 			 * writing.
172 			 */
173 			(void) print_n_flush(gettext("Formatting media..."));
174 			if (!format_media(target->d_fd)) {
175 				(void) printf(gettext(
176 				    "Could not format media\n"));
177 				exit(1);
178 			} else {
179 				int counter;
180 				uchar_t *di;
181 
182 				/* poll until format is done */
183 				di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
184 				(void) sleep(10);
185 				for (counter = 0; counter < 200; counter++) {
186 
187 				ret = read_disc_info(target->d_fd, di);
188 
189 				if ((SENSE_KEY(rqbuf) == 2) &&
190 				    (ASC(rqbuf) == 4)) {
191 					(void) print_n_flush(".");
192 					(void) sleep(5);
193 				} else {
194 					break;
195 					}
196 				}
197 			}
198 
199 			(void) printf(gettext("done\n"));
200 		}
201 
202 
203 		free(ti);
204 	}
205 
206 	write_next_track(TRACK_MODE_DATA, h);
207 
208 	h->bstr_close(h);
209 	write_fini();
210 	fini_device(target);
211 	exit(0);
212 }
213