2 * cdrom_id - optical drive and media information prober
4 * Copyright (C) 2008-2010 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
35 #include <sys/types.h>
38 #include <sys/ioctl.h>
39 #include <linux/cdrom.h>
42 #include "libudev-private.h"
46 static void log_fn(struct udev *udev, int priority,
47 const char *file, int line, const char *fn,
48 const char *format, va_list args)
51 fprintf(stderr, "%s: ", fn);
52 vfprintf(stderr, format, args);
54 vsyslog(priority, format, args);
59 static unsigned int cd_cd_rom = 0;
60 static unsigned int cd_cd_r = 0;
61 static unsigned int cd_cd_rw = 0;
62 static unsigned int cd_dvd_rom = 0;
63 static unsigned int cd_dvd_r = 0;
64 static unsigned int cd_dvd_rw = 0;
65 static unsigned int cd_dvd_ram = 0;
66 static unsigned int cd_dvd_plus_r = 0;
67 static unsigned int cd_dvd_plus_rw = 0;
68 static unsigned int cd_dvd_plus_r_dl = 0;
69 static unsigned int cd_dvd_plus_rw_dl = 0;
70 static unsigned int cd_bd = 0;
71 static unsigned int cd_bd_r = 0;
72 static unsigned int cd_bd_re = 0;
73 static unsigned int cd_hddvd = 0;
74 static unsigned int cd_hddvd_r = 0;
75 static unsigned int cd_hddvd_rw = 0;
76 static unsigned int cd_mo = 0;
77 static unsigned int cd_mrw = 0;
78 static unsigned int cd_mrw_w = 0;
81 static unsigned int cd_media = 0;
82 static unsigned int cd_media_cd_rom = 0;
83 static unsigned int cd_media_cd_r = 0;
84 static unsigned int cd_media_cd_rw = 0;
85 static unsigned int cd_media_dvd_rom = 0;
86 static unsigned int cd_media_dvd_r = 0;
87 static unsigned int cd_media_dvd_rw = 0;
88 static unsigned int cd_media_dvd_rw_ro = 0; /* restricted overwrite mode */
89 static unsigned int cd_media_dvd_rw_seq = 0; /* sequential mode */
90 static unsigned int cd_media_dvd_ram = 0;
91 static unsigned int cd_media_dvd_plus_r = 0;
92 static unsigned int cd_media_dvd_plus_rw = 0;
93 static unsigned int cd_media_dvd_plus_r_dl = 0;
94 static unsigned int cd_media_dvd_plus_rw_dl = 0;
95 static unsigned int cd_media_bd = 0;
96 static unsigned int cd_media_bd_r = 0;
97 static unsigned int cd_media_bd_re = 0;
98 static unsigned int cd_media_hddvd = 0;
99 static unsigned int cd_media_hddvd_r = 0;
100 static unsigned int cd_media_hddvd_rw = 0;
101 static unsigned int cd_media_mo = 0;
102 static unsigned int cd_media_mrw = 0;
103 static unsigned int cd_media_mrw_w = 0;
105 static const char *cd_media_state = NULL;
106 static unsigned int cd_media_session_next = 0;
107 static unsigned int cd_media_session_count = 0;
108 static unsigned int cd_media_track_count = 0;
109 static unsigned int cd_media_track_count_data = 0;
110 static unsigned int cd_media_track_count_audio = 0;
111 static unsigned long long int cd_media_session_last_offset = 0;
113 #define ERRCODE(s) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
114 #define SK(errcode) (((errcode) >> 16) & 0xF)
115 #define ASC(errcode) (((errcode) >> 8) & 0xFF)
116 #define ASCQ(errcode) ((errcode) & 0xFF)
118 static int is_mounted(const char *device)
125 if (stat(device, &statbuf) < 0)
128 fp = fopen("/proc/self/mountinfo", "r");
131 while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
132 if (makedev(maj, min) == statbuf.st_rdev) {
141 static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
144 info(udev, "%s failed\n", cmd);
147 info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
151 struct cdrom_generic_command cgc;
153 struct request_sense s;
156 struct sg_io_hdr sg_io;
159 static void scsi_cmd_init(struct udev *udev, struct scsi_cmd *cmd, unsigned char *buf, size_t bufsize)
161 memset(cmd, 0x00, sizeof(struct scsi_cmd));
162 memset(buf, 0x00, bufsize);
164 cmd->cgc.sense = &cmd->_sense.s;
165 memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
166 cmd->sg_io.interface_id = 'S';
167 cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
168 cmd->sg_io.cmdp = cmd->cgc.cmd;
169 cmd->sg_io.sbp = cmd->_sense.u;
170 cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
173 static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg)
175 cmd->sg_io.cmd_len = i + 1;
176 cmd->cgc.cmd[i] = arg;
179 #define CHECK_CONDITION 0x01
181 static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
185 cmd->sg_io.dxferp = buf;
186 cmd->sg_io.dxfer_len = bufsize;
187 cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
188 if (ioctl(fd, SG_IO, &cmd->sg_io))
191 if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
194 if (cmd->sg_io.masked_status & CHECK_CONDITION) {
195 ret = ERRCODE(cmd->_sense.u);
203 static int cd_capability_compat(struct udev *udev, int fd)
207 capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
208 if (capability < 0) {
209 info(udev, "CDROM_GET_CAPABILITY failed\n");
213 if (capability & CDC_CD_R)
215 if (capability & CDC_CD_RW)
217 if (capability & CDC_DVD)
219 if (capability & CDC_DVD_R)
221 if (capability & CDC_DVD_RAM)
223 if (capability & CDC_MRW)
225 if (capability & CDC_MRW_W)
230 static int cd_media_compat(struct udev *udev, int fd)
232 if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
233 info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
240 static int cd_inquiry(struct udev *udev, int fd) {
242 unsigned char inq[128];
245 scsi_cmd_init(udev, &sc, inq, sizeof(inq));
246 scsi_cmd_set(udev, &sc, 0, 0x12);
247 scsi_cmd_set(udev, &sc, 4, 36);
248 scsi_cmd_set(udev, &sc, 5, 0);
249 err = scsi_cmd_run(udev, &sc, fd, inq, 36);
251 info_scsi_cmd_err(udev, "INQUIRY", err);
255 if ((inq[0] & 0x1F) != 5) {
256 info(udev, "not an MMC unit\n");
260 info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
264 static int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size)
268 for (i = 0; i+4 <= size; i += 4) {
271 profile = profiles[i] << 8 | profiles[i+1];
276 info(udev, "profile 0x%02x mo\n", profile);
280 info(udev, "profile 0x%02x cd_rom\n", profile);
284 info(udev, "profile 0x%02x cd_r\n", profile);
288 info(udev, "profile 0x%02x cd_rw\n", profile);
292 info(udev, "profile 0x%02x dvd_rom\n", profile);
296 info(udev, "profile 0x%02x dvd_ram\n", profile);
301 info(udev, "profile 0x%02x dvd_rw\n", profile);
305 info(udev, "profile 0x%02x dvd_plus_r\n", profile);
309 info(udev, "profile 0x%02x dvd_plus_rw\n", profile);
313 info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile);
314 cd_dvd_plus_rw_dl = 1;
317 info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile);
318 cd_dvd_plus_r_dl = 1;
322 info(udev, "profile 0x%02x bd\n", profile);
327 info(udev, "profile 0x%02x bd_r\n", profile);
331 info(udev, "profile 0x%02x bd_re\n", profile);
335 info(udev, "profile 0x%02x hddvd\n", profile);
339 info(udev, "profile 0x%02x hddvd_r\n", profile);
343 info(udev, "profile 0x%02x hddvd_rw\n", profile);
346 info(udev, "profile 0x%02x <ignored>\n", profile);
353 static int cd_profiles_old_mmc(struct udev *udev, int fd)
358 unsigned char header[32];
360 scsi_cmd_init(udev, &sc, header, sizeof(header));
361 scsi_cmd_set(udev, &sc, 0, 0x51);
362 scsi_cmd_set(udev, &sc, 8, sizeof(header));
363 scsi_cmd_set(udev, &sc, 9, 0);
364 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
366 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
368 info(udev, "no current profile, but disc is present; assuming CD-ROM\n");
372 info(udev, "no current profile, assuming no media\n");
379 if (header[2] & 16) {
381 info(udev, "profile 0x0a media_cd_rw\n");
382 } else if ((header[2] & 3) < 2 && cd_cd_r) {
384 info(udev, "profile 0x09 media_cd_r\n");
387 info(udev, "profile 0x08 media_cd_rom\n");
392 static int cd_profiles(struct udev *udev, int fd)
395 unsigned char features[65530];
396 unsigned int cur_profile = 0;
401 scsi_cmd_init(udev, &sc, features, sizeof(features));
402 scsi_cmd_set(udev, &sc, 0, 0x46);
403 scsi_cmd_set(udev, &sc, 7, (sizeof(features) >> 8) & 0xff);
404 scsi_cmd_set(udev, &sc, 8, sizeof(features) & 0xff);
405 scsi_cmd_set(udev, &sc, 9, 0);
406 err = scsi_cmd_run(udev, &sc, fd, features, sizeof(features));
408 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
409 /* handle pre-MMC2 drives which do not support GET CONFIGURATION */
410 if (SK(err) == 0x5 && ASC(err) == 0x20) {
411 info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n");
412 info(udev, "trying to work around the problem\n");
413 return cd_profiles_old_mmc(udev, fd);
418 len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
419 info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
421 if (len > sizeof(features)) {
422 info(udev, "can not get features in a single query, truncating\n");
423 len = sizeof(features);
426 /* device features */
427 for (i = 8; i+4 < len; i += (4 + features[i+3])) {
428 unsigned int feature;
430 feature = features[i] << 8 | features[i+1];
434 info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4);
435 feature_profiles(udev, &features[i]+4, features[i+3]);
438 info(udev, "GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes\n", feature, features[i+3]);
443 cur_profile = features[6] << 8 | features[7];
444 if (cur_profile > 0) {
445 info(udev, "current profile 0x%02x\n", cur_profile);
447 info(udev, "no current profile, assuming no media\n");
451 switch (cur_profile) {
455 info(udev, "profile 0x%02x \n", cur_profile);
460 info(udev, "profile 0x%02x media_cd_rom\n", cur_profile);
465 info(udev, "profile 0x%02x media_cd_r\n", cur_profile);
470 info(udev, "profile 0x%02x media_cd_rw\n", cur_profile);
475 info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile);
477 cd_media_dvd_rom = 1;
480 info(udev, "profile 0x%02x media_dvd_r\n", cur_profile);
485 info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile);
487 cd_media_dvd_ram = 1;
490 info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile);
493 cd_media_dvd_rw_ro = 1;
496 info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile);
499 cd_media_dvd_rw_seq = 1;
502 info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile);
504 cd_media_dvd_plus_r = 1;
507 info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile);
509 cd_media_dvd_plus_rw = 1;
512 info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile);
514 cd_media_dvd_plus_rw_dl = 1;
517 info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile);
519 cd_media_dvd_plus_r_dl = 1;
522 info(udev, "profile 0x%02x media_bd\n", cur_profile);
528 info(udev, "profile 0x%02x media_bd_r\n", cur_profile);
533 info(udev, "profile 0x%02x media_bd_re\n", cur_profile);
538 info(udev, "profile 0x%02x media_hddvd\n", cur_profile);
543 info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile);
545 cd_media_hddvd_r = 1;
548 info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile);
550 cd_media_hddvd_rw = 1;
553 info(udev, "profile 0x%02x <ignored>\n", cur_profile);
559 static int cd_media_info(struct udev *udev, int fd)
562 unsigned char header[32];
563 static const char *media_status[] = {
571 scsi_cmd_init(udev, &sc, header, sizeof(header));
572 scsi_cmd_set(udev, &sc, 0, 0x51);
573 scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
574 scsi_cmd_set(udev, &sc, 9, 0);
575 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
577 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
582 info(udev, "disk type %02x\n", header[8]);
583 info(udev, "hardware reported media status: %s\n", media_status[header[2] & 3]);
585 /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
586 if (!cd_media_cd_rom)
587 cd_media_state = media_status[header[2] & 3];
589 /* fresh DVD-RW in restricted overwite mode reports itself as
590 * "appendable"; change it to "blank" to make it consistent with what
591 * gets reported after blanking, and what userspace expects */
592 if (cd_media_dvd_rw_ro && (header[2] & 3) == 1)
593 cd_media_state = media_status[0];
595 /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are
596 * always "complete", DVD-RAM are "other" or "complete" if the disc is
597 * write protected; we need to check the contents if it is blank */
598 if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) {
599 unsigned char buffer[32 * 2048];
600 unsigned char result, len;
603 if (cd_media_dvd_ram) {
604 /* a write protected dvd-ram may report "complete" status */
606 unsigned char dvdstruct[8];
607 unsigned char format[12];
609 scsi_cmd_init(udev, &sc, dvdstruct, sizeof(dvdstruct));
610 scsi_cmd_set(udev, &sc, 0, 0xAD);
611 scsi_cmd_set(udev, &sc, 7, 0xC0);
612 scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct));
613 scsi_cmd_set(udev, &sc, 11, 0);
614 err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct));
616 info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err);
619 if (dvdstruct[4] & 0x02) {
620 cd_media_state = media_status[2];
621 info(udev, "write-protected DVD-RAM media inserted\n");
625 /* let's make sure we don't try to read unformatted media */
626 scsi_cmd_init(udev, &sc, format, sizeof(format));
627 scsi_cmd_set(udev, &sc, 0, 0x23);
628 scsi_cmd_set(udev, &sc, 8, sizeof(format));
629 scsi_cmd_set(udev, &sc, 9, 0);
630 err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format));
632 info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err);
637 if (len & 7 || len < 16) {
638 info(udev, "invalid format capacities length\n");
642 switch(format[8] & 3) {
644 info(udev, "unformatted DVD-RAM media inserted\n");
645 /* This means that last format was interrupted
646 * or failed, blank dvd-ram discs are factory
647 * formatted. Take no action here as it takes
648 * quite a while to reformat a dvd-ram and it's
649 * not automatically started */
653 info(udev, "formatted DVD-RAM media inserted\n");
657 cd_media = 0; //return no media
658 info(udev, "format capacities returned no media\n");
663 /* Take a closer look at formatted media (unformatted DVD+RW
664 * has "blank" status", DVD-RAM was examined earlier) and check
665 * for ISO and UDF PVDs or a fs superblock presence and do it
666 * in one ioctl (we need just sectors 0 and 16) */
667 scsi_cmd_init(udev, &sc, buffer, sizeof(buffer));
668 scsi_cmd_set(udev, &sc, 0, 0x28);
669 scsi_cmd_set(udev, &sc, 5, 0);
670 scsi_cmd_set(udev, &sc, 8, 32);
671 scsi_cmd_set(udev, &sc, 9, 0);
672 err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer));
674 info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err);
678 /* if any non-zero data is found in sector 16 (iso and udf) or
679 * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc
680 * is assumed non-blank */
683 for (block = 32768; block >= 0 && !result; block -= 32768) {
685 while (offset < (block + 2048) && !result) {
686 result = buffer [offset];
692 cd_media_state = media_status[0];
693 info(udev, "no data in blocks 0 or 16, assuming blank\n");
695 info(udev, "data in blocks 0 or 16, assuming complete\n");
700 /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in
701 * restricted overwrite mode can never append, only in sequential mode */
702 if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro)
703 cd_media_session_next = header[10] << 8 | header[5];
704 cd_media_session_count = header[9] << 8 | header[4];
705 cd_media_track_count = header[11] << 8 | header[6];
710 static int cd_media_toc(struct udev *udev, int fd)
713 unsigned char header[12];
714 unsigned char toc[2048];
715 unsigned int len, i, num_tracks;
719 scsi_cmd_init(udev, &sc, header, sizeof(header));
720 scsi_cmd_set(udev, &sc, 0, 0x43);
721 scsi_cmd_set(udev, &sc, 6, 1);
722 scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
723 scsi_cmd_set(udev, &sc, 9, 0);
724 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
726 info_scsi_cmd_err(udev, "READ TOC", err);
730 len = (header[0] << 8 | header[1]) + 2;
731 info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]);
732 if (len > sizeof(toc))
736 /* 2: first track, 3: last track */
737 num_tracks = header[3] - header[2] + 1;
739 /* empty media has no tracks */
743 scsi_cmd_init(udev, &sc, toc, sizeof(toc));
744 scsi_cmd_set(udev, &sc, 0, 0x43);
745 scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
746 scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff);
747 scsi_cmd_set(udev, &sc, 8, len & 0xff);
748 scsi_cmd_set(udev, &sc, 9, 0);
749 err = scsi_cmd_run(udev, &sc, fd, toc, len);
751 info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
755 /* Take care to not iterate beyond the last valid track as specified in
756 * the TOC, but also avoid going beyond the TOC length, just in case
757 * the last track number is invalidly large */
758 for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) {
760 unsigned int is_data_track;
762 is_data_track = (p[1] & 0x04) != 0;
764 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
765 info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
766 p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
769 cd_media_track_count_data++;
771 cd_media_track_count_audio++;
774 scsi_cmd_init(udev, &sc, header, sizeof(header));
775 scsi_cmd_set(udev, &sc, 0, 0x43);
776 scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
777 scsi_cmd_set(udev, &sc, 8, sizeof(header));
778 scsi_cmd_set(udev, &sc, 9, 0);
779 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
781 info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
784 len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
785 info(udev, "last track %u starts at block %u\n", header[4+2], len);
786 cd_media_session_last_offset = (unsigned long long int)len * 2048;
790 int main(int argc, char *argv[])
793 static const struct option options[] = {
794 { "export", no_argument, NULL, 'x' },
795 { "debug", no_argument, NULL, 'd' },
796 { "help", no_argument, NULL, 'h' },
799 const char *node = NULL;
809 udev_log_init("cdrom_id");
810 udev_set_log_fn(udev, log_fn);
815 option = getopt_long(argc, argv, "dxh", options, NULL);
822 if (udev_get_log_priority(udev) < LOG_INFO)
823 udev_set_log_priority(udev, LOG_INFO);
829 printf("Usage: cdrom_id [options] <device>\n"
830 " --export export key/value pairs\n"
831 " --debug debug to stderr\n"
832 " --help print this help text\n\n");
842 err(udev, "no device\n");
843 fprintf(stderr, "no device\n");
848 srand((unsigned int)getpid());
849 for (cnt = 20; cnt > 0; cnt--) {
850 struct timespec duration;
852 fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL));
853 if (fd >= 0 || errno != EBUSY)
856 duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
857 nanosleep(&duration, NULL);
860 info(udev, "unable to open '%s'\n", node);
861 fprintf(stderr, "unable to open '%s'\n", node);
865 info(udev, "probing: '%s'\n", node);
867 /* same data as original cdrom_id */
868 if (cd_capability_compat(udev, fd) < 0) {
873 /* check for media - don't bail if there's no media as we still need to
874 * to read profiles */
875 cd_media_compat(udev, fd);
877 /* check if drive talks MMC */
878 if (cd_inquiry(udev, fd) < 0)
881 /* read drive and possibly current profile */
882 if (cd_profiles(udev, fd) < 0)
885 /* get session/track info */
886 cd_media_toc(udev, fd);
888 /* get writable media state */
889 cd_media_info(udev, fd);
892 printf("ID_CDROM=1\n");
894 printf("ID_CDROM_CD=1\n");
896 printf("ID_CDROM_CD_R=1\n");
898 printf("ID_CDROM_CD_RW=1\n");
900 printf("ID_CDROM_DVD=1\n");
902 printf("ID_CDROM_DVD_R=1\n");
904 printf("ID_CDROM_DVD_RW=1\n");
906 printf("ID_CDROM_DVD_RAM=1\n");
908 printf("ID_CDROM_DVD_PLUS_R=1\n");
910 printf("ID_CDROM_DVD_PLUS_RW=1\n");
911 if (cd_dvd_plus_r_dl)
912 printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
913 if (cd_dvd_plus_rw_dl)
914 printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
916 printf("ID_CDROM_BD=1\n");
918 printf("ID_CDROM_BD_R=1\n");
920 printf("ID_CDROM_BD_RE=1\n");
922 printf("ID_CDROM_HDDVD=1\n");
924 printf("ID_CDROM_HDDVD_R=1\n");
926 printf("ID_CDROM_HDDVD_RW=1\n");
928 printf("ID_CDROM_MO=1\n");
930 printf("ID_CDROM_MRW=1\n");
932 printf("ID_CDROM_MRW_W=1\n");
935 printf("ID_CDROM_MEDIA=1\n");
937 printf("ID_CDROM_MEDIA_MO=1\n");
939 printf("ID_CDROM_MEDIA_MRW=1\n");
941 printf("ID_CDROM_MEDIA_MRW_W=1\n");
943 printf("ID_CDROM_MEDIA_CD=1\n");
945 printf("ID_CDROM_MEDIA_CD_R=1\n");
947 printf("ID_CDROM_MEDIA_CD_RW=1\n");
948 if (cd_media_dvd_rom)
949 printf("ID_CDROM_MEDIA_DVD=1\n");
951 printf("ID_CDROM_MEDIA_DVD_R=1\n");
952 if (cd_media_dvd_ram)
953 printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
955 printf("ID_CDROM_MEDIA_DVD_RW=1\n");
956 if (cd_media_dvd_plus_r)
957 printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
958 if (cd_media_dvd_plus_rw)
959 printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
960 if (cd_media_dvd_plus_rw_dl)
961 printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
962 if (cd_media_dvd_plus_r_dl)
963 printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
965 printf("ID_CDROM_MEDIA_BD=1\n");
967 printf("ID_CDROM_MEDIA_BD_R=1\n");
969 printf("ID_CDROM_MEDIA_BD_RE=1\n");
971 printf("ID_CDROM_MEDIA_HDDVD=1\n");
972 if (cd_media_hddvd_r)
973 printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
974 if (cd_media_hddvd_rw)
975 printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
977 if (cd_media_state != NULL)
978 printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
979 if (cd_media_session_next > 0)
980 printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
981 if (cd_media_session_count > 0)
982 printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
983 if (cd_media_session_count > 1 && cd_media_session_last_offset > 0)
984 printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
985 if (cd_media_track_count > 0)
986 printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
987 if (cd_media_track_count_audio > 0)
988 printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
989 if (cd_media_track_count_data > 0)
990 printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);