2 * ata_id - reads product/serial number from ATA drives
4 * Copyright (C) 2005-2008 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/>.
32 #include <sys/ioctl.h>
33 #include <sys/types.h>
35 #include <linux/types.h>
36 #include <linux/hdreg.h>
38 #include "../../udev/udev.h"
40 static void log_fn(struct udev *udev, int priority,
41 const char *file, int line, const char *fn,
42 const char *format, va_list args)
44 vsyslog(priority, format, args);
47 int main(int argc, char *argv[])
54 const char *node = NULL;
58 static const struct option options[] = {
59 { "export", no_argument, NULL, 'x' },
60 { "help", no_argument, NULL, 'h' },
68 logging_init("ata_id");
69 udev_set_log_fn(udev, log_fn);
74 option = getopt_long(argc, argv, "xh", options, NULL);
83 printf("Usage: ata_id [--export] [--help] <device>\n"
84 " --export print values as environemt keys\n"
85 " --help print this help text\n\n");
94 err(udev, "no node specified\n");
99 fd = open(node, O_RDONLY|O_NONBLOCK);
101 err(udev, "unable to open '%s'\n", node);
106 if (ioctl(fd, HDIO_GET_IDENTITY, &id)) {
107 if (errno == ENOTTY) {
108 info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node);
111 err(udev, "HDIO_GET_IDENTITY failed for '%s'\n", node);
117 udev_util_replace_whitespace((char *) id.model, model, 40);
118 udev_util_replace_chars(model, NULL);
119 udev_util_replace_whitespace((char *) id.serial_no, serial, 20);
120 udev_util_replace_chars(serial, NULL);
121 udev_util_replace_whitespace((char *) id.fw_rev, revision, 8);
122 udev_util_replace_chars(revision, NULL);
125 if ((id.config >> 8) & 0x80) {
126 /* This is an ATAPI device */
127 switch ((id.config >> 8) & 0x1f) {
129 printf("ID_TYPE=cd\n");
132 printf("ID_TYPE=tape\n");
135 printf("ID_TYPE=cd\n");
138 printf("ID_TYPE=optical\n");
141 printf("ID_TYPE=generic\n");
145 printf("ID_TYPE=disk\n");
147 printf("ID_MODEL=%s\n", model);
148 printf("ID_SERIAL=%s\n", serial);
149 printf("ID_REVISION=%s\n", revision);
150 printf("ID_BUS=ata\n");
152 if (serial[0] != '\0')
153 printf("%s_%s\n", model, serial);
155 printf("%s\n", model);