2 * ata_id - reads product/serial number from ATA drives
4 * Copyright (C) 2005-2008 Kay Sievers <kay.sievers@vrfy.org>
5 * Copyright (C) 2009 Lennart Poettering <lennart@poettering.net>
6 * Copyright (C) 2009-2010 David Zeuthen <zeuthen@gmail.com>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
32 #include <scsi/scsi.h>
34 #include <scsi/scsi_ioctl.h>
35 #include <sys/ioctl.h>
36 #include <sys/types.h>
38 #include <linux/types.h>
39 #include <linux/hdreg.h>
41 #include <linux/cdrom.h>
42 #include <linux/bsg.h>
43 #include <arpa/inet.h>
46 #include "libudev-private.h"
48 #define COMMAND_TIMEOUT_MSEC (30 * 1000)
50 static int disk_scsi_inquiry_command(int fd
,
54 struct sg_io_v4 io_v4
;
60 * INQUIRY, see SPC-4 section 6.4
62 memset(cdb
, 0, sizeof(cdb
));
63 cdb
[0] = 0x12; /* OPERATION CODE: INQUIRY */
64 cdb
[3] = (buf_len
>> 8); /* ALLOCATION LENGTH */
65 cdb
[4] = (buf_len
& 0xff);
67 memset(sense
, 0, sizeof(sense
));
69 memset(&io_v4
, 0, sizeof(struct sg_io_v4
));
71 io_v4
.protocol
= BSG_PROTOCOL_SCSI
;
72 io_v4
.subprotocol
= BSG_SUB_PROTOCOL_SCSI_CMD
;
73 io_v4
.request_len
= sizeof (cdb
);
74 io_v4
.request
= (uintptr_t) cdb
;
75 io_v4
.max_response_len
= sizeof (sense
);
76 io_v4
.response
= (uintptr_t) sense
;
77 io_v4
.din_xfer_len
= buf_len
;
78 io_v4
.din_xferp
= (uintptr_t) buf
;
79 io_v4
.timeout
= COMMAND_TIMEOUT_MSEC
;
81 ret
= ioctl(fd
, SG_IO
, &io_v4
);
83 /* could be that the driver doesn't do version 4, try version 3 */
84 if (errno
== EINVAL
) {
85 struct sg_io_hdr io_hdr
;
87 memset(&io_hdr
, 0, sizeof(struct sg_io_hdr
));
88 io_hdr
.interface_id
= 'S';
89 io_hdr
.cmdp
= (unsigned char*) cdb
;
90 io_hdr
.cmd_len
= sizeof (cdb
);
92 io_hdr
.dxfer_len
= buf_len
;
94 io_hdr
.mx_sb_len
= sizeof (sense
);
95 io_hdr
.dxfer_direction
= SG_DXFER_FROM_DEV
;
96 io_hdr
.timeout
= COMMAND_TIMEOUT_MSEC
;
98 ret
= ioctl(fd
, SG_IO
, &io_hdr
);
102 /* even if the ioctl succeeds, we need to check the return value */
103 if (!(io_hdr
.status
== 0 &&
104 io_hdr
.host_status
== 0 &&
105 io_hdr
.driver_status
== 0)) {
115 /* even if the ioctl succeeds, we need to check the return value */
116 if (!(io_v4
.device_status
== 0 &&
117 io_v4
.transport_status
== 0 &&
118 io_v4
.driver_status
== 0)) {
128 static int disk_identify_command(int fd
,
132 struct sg_io_v4 io_v4
;
135 uint8_t *desc
= sense
+8;
139 * ATA Pass-Through 12 byte command, as described in
141 * T10 04-262r8 ATA Command Pass-Through
143 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
145 memset(cdb
, 0, sizeof(cdb
));
146 cdb
[0] = 0xa1; /* OPERATION CODE: 12 byte pass through */
147 cdb
[1] = 4 << 1; /* PROTOCOL: PIO Data-in */
148 cdb
[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
149 cdb
[3] = 0; /* FEATURES */
150 cdb
[4] = 1; /* SECTORS */
151 cdb
[5] = 0; /* LBA LOW */
152 cdb
[6] = 0; /* LBA MID */
153 cdb
[7] = 0; /* LBA HIGH */
154 cdb
[8] = 0 & 0x4F; /* SELECT */
155 cdb
[9] = 0xEC; /* Command: ATA IDENTIFY DEVICE */;
156 memset(sense
, 0, sizeof(sense
));
158 memset(&io_v4
, 0, sizeof(struct sg_io_v4
));
160 io_v4
.protocol
= BSG_PROTOCOL_SCSI
;
161 io_v4
.subprotocol
= BSG_SUB_PROTOCOL_SCSI_CMD
;
162 io_v4
.request_len
= sizeof (cdb
);
163 io_v4
.request
= (uintptr_t) cdb
;
164 io_v4
.max_response_len
= sizeof (sense
);
165 io_v4
.response
= (uintptr_t) sense
;
166 io_v4
.din_xfer_len
= buf_len
;
167 io_v4
.din_xferp
= (uintptr_t) buf
;
168 io_v4
.timeout
= COMMAND_TIMEOUT_MSEC
;
170 ret
= ioctl(fd
, SG_IO
, &io_v4
);
172 /* could be that the driver doesn't do version 4, try version 3 */
173 if (errno
== EINVAL
) {
174 struct sg_io_hdr io_hdr
;
176 memset(&io_hdr
, 0, sizeof(struct sg_io_hdr
));
177 io_hdr
.interface_id
= 'S';
178 io_hdr
.cmdp
= (unsigned char*) cdb
;
179 io_hdr
.cmd_len
= sizeof (cdb
);
181 io_hdr
.dxfer_len
= buf_len
;
183 io_hdr
.mx_sb_len
= sizeof (sense
);
184 io_hdr
.dxfer_direction
= SG_DXFER_FROM_DEV
;
185 io_hdr
.timeout
= COMMAND_TIMEOUT_MSEC
;
187 ret
= ioctl(fd
, SG_IO
, &io_hdr
);
195 if (!(sense
[0] == 0x72 && desc
[0] == 0x9 && desc
[1] == 0x0c)) {
205 static int disk_identify_packet_device_command(int fd
,
209 struct sg_io_v4 io_v4
;
212 uint8_t *desc
= sense
+8;
216 * ATA Pass-Through 16 byte command, as described in
218 * T10 04-262r8 ATA Command Pass-Through
220 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
222 memset(cdb
, 0, sizeof(cdb
));
223 cdb
[0] = 0x85; /* OPERATION CODE: 16 byte pass through */
224 cdb
[1] = 4 << 1; /* PROTOCOL: PIO Data-in */
225 cdb
[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
226 cdb
[3] = 0; /* FEATURES */
227 cdb
[4] = 0; /* FEATURES */
228 cdb
[5] = 0; /* SECTORS */
229 cdb
[6] = 1; /* SECTORS */
230 cdb
[7] = 0; /* LBA LOW */
231 cdb
[8] = 0; /* LBA LOW */
232 cdb
[9] = 0; /* LBA MID */
233 cdb
[10] = 0; /* LBA MID */
234 cdb
[11] = 0; /* LBA HIGH */
235 cdb
[12] = 0; /* LBA HIGH */
236 cdb
[13] = 0; /* DEVICE */
237 cdb
[14] = 0xA1; /* Command: ATA IDENTIFY PACKET DEVICE */;
238 cdb
[15] = 0; /* CONTROL */
239 memset(sense
, 0, sizeof(sense
));
241 memset(&io_v4
, 0, sizeof(struct sg_io_v4
));
243 io_v4
.protocol
= BSG_PROTOCOL_SCSI
;
244 io_v4
.subprotocol
= BSG_SUB_PROTOCOL_SCSI_CMD
;
245 io_v4
.request_len
= sizeof (cdb
);
246 io_v4
.request
= (uintptr_t) cdb
;
247 io_v4
.max_response_len
= sizeof (sense
);
248 io_v4
.response
= (uintptr_t) sense
;
249 io_v4
.din_xfer_len
= buf_len
;
250 io_v4
.din_xferp
= (uintptr_t) buf
;
251 io_v4
.timeout
= COMMAND_TIMEOUT_MSEC
;
253 ret
= ioctl(fd
, SG_IO
, &io_v4
);
255 /* could be that the driver doesn't do version 4, try version 3 */
256 if (errno
== EINVAL
) {
257 struct sg_io_hdr io_hdr
;
259 memset(&io_hdr
, 0, sizeof(struct sg_io_hdr
));
260 io_hdr
.interface_id
= 'S';
261 io_hdr
.cmdp
= (unsigned char*) cdb
;
262 io_hdr
.cmd_len
= sizeof (cdb
);
264 io_hdr
.dxfer_len
= buf_len
;
266 io_hdr
.mx_sb_len
= sizeof (sense
);
267 io_hdr
.dxfer_direction
= SG_DXFER_FROM_DEV
;
268 io_hdr
.timeout
= COMMAND_TIMEOUT_MSEC
;
270 ret
= ioctl(fd
, SG_IO
, &io_hdr
);
278 if (!(sense
[0] == 0x72 && desc
[0] == 0x9 && desc
[1] == 0x0c)) {
289 * disk_identify_get_string:
290 * @identify: A block of IDENTIFY data
291 * @offset_words: Offset of the string to get, in words.
292 * @dest: Destination buffer for the string.
293 * @dest_len: Length of destination buffer, in bytes.
295 * Copies the ATA string from @identify located at @offset_words into @dest.
297 static void disk_identify_get_string(uint8_t identify
[512],
298 unsigned int offset_words
,
305 assert(identify
!= NULL
);
306 assert(dest
!= NULL
);
307 assert((dest_len
& 1) == 0);
309 while (dest_len
> 0) {
310 c1
= identify
[offset_words
* 2 + 1];
311 c2
= identify
[offset_words
* 2];
321 static void disk_identify_fixup_string(uint8_t identify
[512],
322 unsigned int offset_words
,
325 disk_identify_get_string(identify
, offset_words
,
326 (char *) identify
+ offset_words
* 2, len
);
329 static void disk_identify_fixup_uint16 (uint8_t identify
[512], unsigned int offset_words
)
333 p
= (uint16_t *) identify
;
334 p
[offset_words
] = le16toh (p
[offset_words
]);
339 * @udev: The libudev context.
340 * @fd: File descriptor for the block device.
341 * @out_identify: Return location for IDENTIFY data.
342 * @out_is_packet_device: Return location for whether returned data is from a IDENTIFY PACKET DEVICE.
344 * Sends the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command to the
345 * device represented by @fd. If successful, then the result will be
346 * copied into @out_identify and @out_is_packet_device.
348 * This routine is based on code from libatasmart, Copyright 2008
349 * Lennart Poettering, LGPL v2.1.
351 * Returns: 0 if the data was successfully obtained, otherwise
352 * non-zero with errno set.
354 static int disk_identify(struct udev
*udev
,
356 uint8_t out_identify
[512],
357 int *out_is_packet_device
)
360 uint8_t inquiry_buf
[36];
361 int peripheral_device_type
;
364 int is_packet_device
;
366 assert(out_identify
!= NULL
);
370 memset(out_identify
, '\0', 512);
371 is_packet_device
= 0;
373 /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device
374 * we could accidentally blank media. This is because MMC's BLANK
375 * command has the same op-code (0x61).
377 * To prevent this from happening we bail out if the device
378 * isn't a Direct Access Block Device, e.g. SCSI type 0x00
379 * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY
380 * command first... libata is handling this via its SCSI
383 * This also ensures that we're actually dealing with a device
384 * that understands SCSI commands.
386 * (Yes, it is a bit perverse that we're tunneling the ATA
387 * command through SCSI and relying on the ATA driver
388 * emulating SCSI well-enough...)
390 * (See commit 160b069c25690bfb0c785994c7c3710289179107 for
391 * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
392 * for the original bug-report.)
394 ret
= disk_scsi_inquiry_command (fd
, inquiry_buf
, sizeof (inquiry_buf
));
398 /* SPC-4, section 6.4.2: Standard INQUIRY data */
399 peripheral_device_type
= inquiry_buf
[0] & 0x1f;
400 if (peripheral_device_type
== 0x05)
402 is_packet_device
= 1;
403 ret
= disk_identify_packet_device_command(fd
, out_identify
, 512);
404 goto check_nul_bytes
;
406 if (peripheral_device_type
!= 0x00) {
412 /* OK, now issue the IDENTIFY DEVICE command */
413 ret
= disk_identify_command(fd
, out_identify
, 512);
418 /* Check if IDENTIFY data is all NUL bytes - if so, bail */
420 for (n
= 0; n
< 512; n
++) {
421 if (out_identify
[n
] != '\0') {
434 if (out_is_packet_device
!= NULL
)
435 *out_is_packet_device
= is_packet_device
;
439 static void log_fn(struct udev
*udev
, int priority
,
440 const char *file
, int line
, const char *fn
,
441 const char *format
, va_list args
)
443 vsyslog(priority
, format
, args
);
446 int main(int argc
, char *argv
[])
449 struct hd_driveid id
;
450 uint8_t identify
[512];
451 uint16_t *identify_words
;
456 const char *node
= NULL
;
461 int is_packet_device
= 0;
462 static const struct option options
[] = {
463 { "export", no_argument
, NULL
, 'x' },
464 { "help", no_argument
, NULL
, 'h' },
472 udev_log_init("ata_id");
473 udev_set_log_fn(udev
, log_fn
);
478 option
= getopt_long(argc
, argv
, "xh", options
, NULL
);
487 printf("Usage: ata_id [--export] [--help] <device>\n"
488 " --export print values as environment keys\n"
489 " --help print this help text\n\n");
496 err(udev
, "no node specified\n");
501 fd
= open(node
, O_RDONLY
|O_NONBLOCK
);
503 err(udev
, "unable to open '%s'\n", node
);
508 if (disk_identify(udev
, fd
, identify
, &is_packet_device
) == 0) {
510 * fix up only the fields from the IDENTIFY data that we are going to
511 * use and copy it into the hd_driveid struct for convenience
513 disk_identify_fixup_string (identify
, 10, 20); /* serial */
514 disk_identify_fixup_string (identify
, 23, 6); /* fwrev */
515 disk_identify_fixup_string (identify
, 27, 40); /* model */
516 disk_identify_fixup_uint16 (identify
, 0); /* configuration */
517 disk_identify_fixup_uint16 (identify
, 75); /* queue depth */
518 disk_identify_fixup_uint16 (identify
, 75); /* SATA capabilities */
519 disk_identify_fixup_uint16 (identify
, 82); /* command set supported */
520 disk_identify_fixup_uint16 (identify
, 83); /* command set supported */
521 disk_identify_fixup_uint16 (identify
, 84); /* command set supported */
522 disk_identify_fixup_uint16 (identify
, 85); /* command set supported */
523 disk_identify_fixup_uint16 (identify
, 86); /* command set supported */
524 disk_identify_fixup_uint16 (identify
, 87); /* command set supported */
525 disk_identify_fixup_uint16 (identify
, 89); /* time required for SECURITY ERASE UNIT */
526 disk_identify_fixup_uint16 (identify
, 90); /* time required for enhanced SECURITY ERASE UNIT */
527 disk_identify_fixup_uint16 (identify
, 91); /* current APM values */
528 disk_identify_fixup_uint16 (identify
, 94); /* current AAM value */
529 disk_identify_fixup_uint16 (identify
, 128); /* device lock function */
530 disk_identify_fixup_uint16 (identify
, 217); /* nominal media rotation rate */
531 memcpy(&id
, identify
, sizeof id
);
533 /* If this fails, then try HDIO_GET_IDENTITY */
534 if (ioctl(fd
, HDIO_GET_IDENTITY
, &id
) != 0) {
535 info(udev
, "HDIO_GET_IDENTITY failed for '%s': %m\n", node
);
540 identify_words
= (uint16_t *) identify
;
542 memcpy (model
, id
.model
, 40);
544 udev_util_encode_string(model
, model_enc
, sizeof(model_enc
));
545 util_replace_whitespace((char *) id
.model
, model
, 40);
546 util_replace_chars(model
, NULL
);
547 util_replace_whitespace((char *) id
.serial_no
, serial
, 20);
548 util_replace_chars(serial
, NULL
);
549 util_replace_whitespace((char *) id
.fw_rev
, revision
, 8);
550 util_replace_chars(revision
, NULL
);
553 /* Set this to convey the disk speaks the ATA protocol */
554 printf("ID_ATA=1\n");
556 if ((id
.config
>> 8) & 0x80) {
557 /* This is an ATAPI device */
558 switch ((id
.config
>> 8) & 0x1f) {
560 printf("ID_TYPE=cd\n");
563 printf("ID_TYPE=tape\n");
566 printf("ID_TYPE=cd\n");
569 printf("ID_TYPE=optical\n");
572 printf("ID_TYPE=generic\n");
576 printf("ID_TYPE=disk\n");
578 printf("ID_BUS=ata\n");
579 printf("ID_MODEL=%s\n", model
);
580 printf("ID_MODEL_ENC=%s\n", model_enc
);
581 printf("ID_REVISION=%s\n", revision
);
582 if (serial
[0] != '\0') {
583 printf("ID_SERIAL=%s_%s\n", model
, serial
);
584 printf("ID_SERIAL_SHORT=%s\n", serial
);
586 printf("ID_SERIAL=%s\n", model
);
589 if (id
.command_set_1
& (1<<5)) {
590 printf ("ID_ATA_WRITE_CACHE=1\n");
591 printf ("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id
.cfs_enable_1
& (1<<5)) ? 1 : 0);
593 if (id
.command_set_1
& (1<<10)) {
594 printf("ID_ATA_FEATURE_SET_HPA=1\n");
595 printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id
.cfs_enable_1
& (1<<10)) ? 1 : 0);
598 * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address
599 * so it is easy to check whether the protected area is in use.
602 if (id
.command_set_1
& (1<<3)) {
603 printf("ID_ATA_FEATURE_SET_PM=1\n");
604 printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id
.cfs_enable_1
& (1<<3)) ? 1 : 0);
606 if (id
.command_set_1
& (1<<1)) {
607 printf("ID_ATA_FEATURE_SET_SECURITY=1\n");
608 printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id
.cfs_enable_1
& (1<<1)) ? 1 : 0);
609 printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id
.trseuc
* 2);
610 if ((id
.cfs_enable_1
& (1<<1))) /* enabled */ {
612 printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n");
614 printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n");
617 printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id
.trsEuc
* 2);
619 printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n");
621 printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n");
623 printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n");
625 if (id
.command_set_1
& (1<<0)) {
626 printf("ID_ATA_FEATURE_SET_SMART=1\n");
627 printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id
.cfs_enable_1
& (1<<0)) ? 1 : 0);
629 if (id
.command_set_2
& (1<<9)) {
630 printf("ID_ATA_FEATURE_SET_AAM=1\n");
631 printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id
.cfs_enable_2
& (1<<9)) ? 1 : 0);
632 printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id
.acoustic
>> 8);
633 printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id
.acoustic
& 0xff);
635 if (id
.command_set_2
& (1<<5)) {
636 printf("ID_ATA_FEATURE_SET_PUIS=1\n");
637 printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id
.cfs_enable_2
& (1<<5)) ? 1 : 0);
639 if (id
.command_set_2
& (1<<3)) {
640 printf("ID_ATA_FEATURE_SET_APM=1\n");
641 printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id
.cfs_enable_2
& (1<<3)) ? 1 : 0);
642 if ((id
.cfs_enable_2
& (1<<3)))
643 printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id
.CurAPMvalues
& 0xff);
645 if (id
.command_set_2
& (1<<0))
646 printf("ID_ATA_DOWNLOAD_MICROCODE=1\n");
649 * Word 76 indicates the capabilities of a SATA device. A PATA device shall set
650 * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then
651 * the device does not claim compliance with the Serial ATA specification and words
652 * 76 through 79 are not valid and shall be ignored.
654 word
= *((uint16_t *) identify
+ 76);
655 if (word
!= 0x0000 && word
!= 0xffff) {
656 printf("ID_ATA_SATA=1\n");
658 * If bit 2 of word 76 is set to one, then the device supports the Gen2
659 * signaling rate of 3.0 Gb/s (see SATA 2.6).
661 * If bit 1 of word 76 is set to one, then the device supports the Gen1
662 * signaling rate of 1.5 Gb/s (see SATA 2.6).
665 printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n");
667 printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n");
670 /* Word 217 indicates the nominal media rotation rate of the device */
671 word
= *((uint16_t *) identify
+ 217);
672 if (word
!= 0x0000) {
673 if (word
== 0x0001) {
674 printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */
675 } else if (word
>= 0x0401 && word
<= 0xfffe) {
676 printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word
);
681 * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier
682 * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE.
683 * All other values are reserved.
685 word
= *((uint16_t *) identify
+ 108);
686 if ((word
& 0xf000) == 0x5000) {
689 wwwn
= *((uint16_t *) identify
+ 108);
691 wwwn
|= *((uint16_t *) identify
+ 109);
693 wwwn
|= *((uint16_t *) identify
+ 110);
695 wwwn
|= *((uint16_t *) identify
+ 111);
696 printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn
);
697 /* ATA devices have no vendor extension */
698 printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn
);
701 /* from Linux's include/linux/ata.h */
702 if (identify_words
[0] == 0x848a || identify_words
[0] == 0x844a) {
703 printf("ID_ATA_CFA=1\n");
705 if ((identify_words
[83] & 0xc004) == 0x4004) {
706 printf("ID_ATA_CFA=1\n");
710 if (serial
[0] != '\0')
711 printf("%s_%s\n", model
, serial
);
713 printf("%s\n", model
);