]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/udev/ata_id/ata_id.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
util-lib: split our string related calls from util.[ch] into its own file string...
[thirdparty/systemd.git] / src / udev / ata_id / ata_id.c
CommitLineData
e0f83fbe 1/*
670e4705
KS		 2 * ata_id - reads product/serial number from ATA drives
3 *
1298001e 4 * Copyright (C) 2005-2008 Kay Sievers <kay@vrfy.org>
66094a4a 5 * Copyright (C) 2009 Lennart Poettering <lennart@poettering.net>
6992637e 6 * Copyright (C) 2009-2010 David Zeuthen <zeuthen@gmail.com>
670e4705 7 *
55e9959b
KS		 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.
12 *
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.
17 *
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/>.
670e4705
KS		 20 */
21
670e4705
KS		 22#include <ctype.h>
23#include <errno.h>
07630cea 24#include <fcntl.h>
4fa3d99d 25#include <getopt.h>
07630cea
LP		 26#include <linux/bsg.h>
27#include <linux/hdreg.h>
66094a4a 28#include <scsi/scsi.h>
66094a4a 29#include <scsi/scsi_ioctl.h>
07630cea
LP		 30#include <scsi/sg.h>
31#include <stdint.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
670e4705 35#include <sys/ioctl.h>
670e4705 36#include <sys/stat.h>
07630cea
LP		 37#include <sys/types.h>
38#include <unistd.h>
670e4705 39
9060b066 40#include "libudev.h"
07630cea 41
9060b066 42#include "libudev-private.h"
baa30fbc 43#include "log.h"
07630cea 44#include "udev-util.h"
670e4705 45
6992637e 46#define COMMAND_TIMEOUT_MSEC (30 * 1000)
66094a4a 47
6992637e 48static int disk_scsi_inquiry_command(int fd,
912541b0
KS		 49 void *buf,
50 size_t buf_len)
66094a4a 51{
b8a2b0f7
ZJS		 52 uint8_t cdb[6] = {
53 /*
54 * INQUIRY, see SPC-4 section 6.4
55 */
56 [0] = 0x12, /* OPERATION CODE: INQUIRY */
57 [3] = (buf_len >> 8), /* ALLOCATION LENGTH */
58 [4] = (buf_len & 0xff),
59 };
60 uint8_t sense[32] = {};
61 struct sg_io_v4 io_v4 = {
62 .guard = 'Q',
63 .protocol = BSG_PROTOCOL_SCSI,
64 .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
65 .request_len = sizeof(cdb),
66 .request = (uintptr_t) cdb,
67 .max_response_len = sizeof(sense),
68 .response = (uintptr_t) sense,
69 .din_xfer_len = buf_len,
70 .din_xferp = (uintptr_t) buf,
71 .timeout = COMMAND_TIMEOUT_MSEC,
72 };
912541b0
KS		 73 int ret;
74
912541b0
KS		 75 ret = ioctl(fd, SG_IO, &io_v4);
76 if (ret != 0) {
77 /* could be that the driver doesn't do version 4, try version 3 */
78 if (errno == EINVAL) {
b8a2b0f7
ZJS		 79 struct sg_io_hdr io_hdr = {
80 .interface_id = 'S',
81 .cmdp = (unsigned char*) cdb,
82 .cmd_len = sizeof (cdb),
83 .dxferp = buf,
84 .dxfer_len = buf_len,
85 .sbp = sense,
86 .mx_sb_len = sizeof(sense),
87 .dxfer_direction = SG_DXFER_FROM_DEV,
88 .timeout = COMMAND_TIMEOUT_MSEC,
89 };
912541b0
KS		 90
91 ret = ioctl(fd, SG_IO, &io_hdr);
92 if (ret != 0)
b8a2b0f7 93 return ret;
912541b0
KS		 94
95 /* even if the ioctl succeeds, we need to check the return value */
96 if (!(io_hdr.status == 0 &&
97 io_hdr.host_status == 0 &&
98 io_hdr.driver_status == 0)) {
99 errno = EIO;
b8a2b0f7 100 return -1;
912541b0 101 }
b8a2b0f7
ZJS		 102 } else
103 return ret;
912541b0
KS		 104 }
105
106 /* even if the ioctl succeeds, we need to check the return value */
107 if (!(io_v4.device_status == 0 &&
108 io_v4.transport_status == 0 &&
109 io_v4.driver_status == 0)) {
110 errno = EIO;
b8a2b0f7 111 return -1;
912541b0 112 }
6992637e 113
b8a2b0f7 114 return 0;
66094a4a
DZ		 115}
116
912541b0
KS		 117static int disk_identify_command(int fd,
118 void *buf,
119 size_t buf_len)
66094a4a 120{
b8a2b0f7
ZJS		 121 uint8_t cdb[12] = {
122 /*
123 * ATA Pass-Through 12 byte command, as described in
124 *
125 * T10 04-262r8 ATA Command Pass-Through
126 *
127 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
128 */
129 [0] = 0xa1, /* OPERATION CODE: 12 byte pass through */
130 [1] = 4 << 1, /* PROTOCOL: PIO Data-in */
131 [2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
132 [3] = 0, /* FEATURES */
133 [4] = 1, /* SECTORS */
134 [5] = 0, /* LBA LOW */
135 [6] = 0, /* LBA MID */
136 [7] = 0, /* LBA HIGH */
137 [8] = 0 & 0x4F, /* SELECT */
138 [9] = 0xEC, /* Command: ATA IDENTIFY DEVICE */
139 };
140 uint8_t sense[32] = {};
141 uint8_t *desc = sense + 8;
142 struct sg_io_v4 io_v4 = {
143 .guard = 'Q',
144 .protocol = BSG_PROTOCOL_SCSI,
145 .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
146 .request_len = sizeof(cdb),
147 .request = (uintptr_t) cdb,
148 .max_response_len = sizeof(sense),
149 .response = (uintptr_t) sense,
150 .din_xfer_len = buf_len,
151 .din_xferp = (uintptr_t) buf,
152 .timeout = COMMAND_TIMEOUT_MSEC,
153 };
912541b0
KS		 154 int ret;
155
912541b0
KS		 156 ret = ioctl(fd, SG_IO, &io_v4);
157 if (ret != 0) {
158 /* could be that the driver doesn't do version 4, try version 3 */
159 if (errno == EINVAL) {
b8a2b0f7
ZJS		 160 struct sg_io_hdr io_hdr = {
161 .interface_id = 'S',
162 .cmdp = (unsigned char*) cdb,
163 .cmd_len = sizeof (cdb),
164 .dxferp = buf,
165 .dxfer_len = buf_len,
166 .sbp = sense,
167 .mx_sb_len = sizeof (sense),
168 .dxfer_direction = SG_DXFER_FROM_DEV,
169 .timeout = COMMAND_TIMEOUT_MSEC,
170 };
912541b0
KS		 171
172 ret = ioctl(fd, SG_IO, &io_hdr);
173 if (ret != 0)
b8a2b0f7
ZJS		 174 return ret;
175 } else
176 return ret;
912541b0
KS		 177 }
178
179 if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
180 errno = EIO;
b8a2b0f7 181 return -1;
912541b0 182 }
66094a4a 183
b8a2b0f7 184 return 0;
66094a4a
DZ		 185}
186
912541b0
KS		 187static int disk_identify_packet_device_command(int fd,
188 void *buf,
189 size_t buf_len)
560de575 190{
b8a2b0f7
ZJS		 191 uint8_t cdb[16] = {
192 /*
193 * ATA Pass-Through 16 byte command, as described in
194 *
195 * T10 04-262r8 ATA Command Pass-Through
196 *
197 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
198 */
199 [0] = 0x85, /* OPERATION CODE: 16 byte pass through */
200 [1] = 4 << 1, /* PROTOCOL: PIO Data-in */
201 [2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
202 [3] = 0, /* FEATURES */
203 [4] = 0, /* FEATURES */
204 [5] = 0, /* SECTORS */
205 [6] = 1, /* SECTORS */
206 [7] = 0, /* LBA LOW */
207 [8] = 0, /* LBA LOW */
208 [9] = 0, /* LBA MID */
209 [10] = 0, /* LBA MID */
210 [11] = 0, /* LBA HIGH */
211 [12] = 0, /* LBA HIGH */
212 [13] = 0, /* DEVICE */
213 [14] = 0xA1, /* Command: ATA IDENTIFY PACKET DEVICE */
214 [15] = 0, /* CONTROL */
215 };
216 uint8_t sense[32] = {};
217 uint8_t *desc = sense + 8;
218 struct sg_io_v4 io_v4 = {
219 .guard = 'Q',
220 .protocol = BSG_PROTOCOL_SCSI,
221 .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
222 .request_len = sizeof (cdb),
223 .request = (uintptr_t) cdb,
224 .max_response_len = sizeof (sense),
225 .response = (uintptr_t) sense,
226 .din_xfer_len = buf_len,
227 .din_xferp = (uintptr_t) buf,
228 .timeout = COMMAND_TIMEOUT_MSEC,
229 };
912541b0
KS		 230 int ret;
231
912541b0
KS		 232 ret = ioctl(fd, SG_IO, &io_v4);
233 if (ret != 0) {
234 /* could be that the driver doesn't do version 4, try version 3 */
235 if (errno == EINVAL) {
b8a2b0f7
ZJS		 236 struct sg_io_hdr io_hdr = {
237 .interface_id = 'S',
238 .cmdp = (unsigned char*) cdb,
239 .cmd_len = sizeof (cdb),
240 .dxferp = buf,
241 .dxfer_len = buf_len,
242 .sbp = sense,
243 .mx_sb_len = sizeof (sense),
244 .dxfer_direction = SG_DXFER_FROM_DEV,
245 .timeout = COMMAND_TIMEOUT_MSEC,
246 };
912541b0
KS		 247
248 ret = ioctl(fd, SG_IO, &io_hdr);
249 if (ret != 0)
b8a2b0f7
ZJS		 250 return ret;
251 } else
252 return ret;
912541b0
KS		 253 }
254
255 if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
256 errno = EIO;
b8a2b0f7 257 return -1;
912541b0 258 }
560de575 259
b8a2b0f7 260 return 0;
560de575
DZ		 261}
262
66094a4a
DZ		 263/**
264 * disk_identify_get_string:
265 * @identify: A block of IDENTIFY data
266 * @offset_words: Offset of the string to get, in words.
267 * @dest: Destination buffer for the string.
268 * @dest_len: Length of destination buffer, in bytes.
269 *
270 * Copies the ATA string from @identify located at @offset_words into @dest.
271 */
09db3f5b
KS		 272static void disk_identify_get_string(uint8_t identify[512],
273 unsigned int offset_words,
274 char *dest,
275 size_t dest_len)
66094a4a 276{
912541b0
KS		 277 unsigned int c1;
278 unsigned int c2;
279
912541b0 280 while (dest_len > 0) {
2b2823b4
AS		 281 c1 = identify[offset_words * 2 + 1];
282 c2 = identify[offset_words * 2];
912541b0
KS		 283 *dest = c1;
284 dest++;
285 *dest = c2;
286 dest++;
287 offset_words++;
288 dest_len -= 2;
289 }
66094a4a
DZ		 290}
291
09db3f5b
KS		 292static void disk_identify_fixup_string(uint8_t identify[512],
293 unsigned int offset_words,
294 size_t len)
66094a4a 295{
912541b0
KS		 296 disk_identify_get_string(identify, offset_words,
297 (char *) identify + offset_words * 2, len);
66094a4a
DZ		 298}
299
300static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offset_words)
301{
912541b0 302 uint16_t *p;
66094a4a 303
912541b0
KS		 304 p = (uint16_t *) identify;
305 p[offset_words] = le16toh (p[offset_words]);
66094a4a
DZ		 306}
307
308/**
309 * disk_identify:
310 * @udev: The libudev context.
311 * @fd: File descriptor for the block device.
312 * @out_identify: Return location for IDENTIFY data.
560de575 313 * @out_is_packet_device: Return location for whether returned data is from a IDENTIFY PACKET DEVICE.
66094a4a 314 *
560de575
DZ		 315 * Sends the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command to the
316 * device represented by @fd. If successful, then the result will be
317 * copied into @out_identify and @out_is_packet_device.
66094a4a
DZ		 318 *
319 * This routine is based on code from libatasmart, Copyright 2008
320 * Lennart Poettering, LGPL v2.1.
321 *
560de575
DZ		 322 * Returns: 0 if the data was successfully obtained, otherwise
323 * non-zero with errno set.
66094a4a 324 */
09db3f5b 325static int disk_identify(struct udev *udev,
b8a2b0f7
ZJS		 326 int fd,
327 uint8_t out_identify[512],
328 int *out_is_packet_device)
66094a4a 329{
912541b0
KS		 330 int ret;
331 uint8_t inquiry_buf[36];
332 int peripheral_device_type;
333 int all_nul_bytes;
334 int n;
1e8e0a32 335 int is_packet_device = 0;
912541b0 336
912541b0 337 /* init results */
1e8e0a32 338 memzero(out_identify, 512);
912541b0
KS		 339
340 /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device
341 * we could accidentally blank media. This is because MMC's BLANK
342 * command has the same op-code (0x61).
343 *
344 * To prevent this from happening we bail out if the device
345 * isn't a Direct Access Block Device, e.g. SCSI type 0x00
346 * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY
347 * command first... libata is handling this via its SCSI
348 * emulation layer.
349 *
350 * This also ensures that we're actually dealing with a device
351 * that understands SCSI commands.
352 *
353 * (Yes, it is a bit perverse that we're tunneling the ATA
354 * command through SCSI and relying on the ATA driver
355 * emulating SCSI well-enough...)
356 *
357 * (See commit 160b069c25690bfb0c785994c7c3710289179107 for
358 * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
359 * for the original bug-report.)
360 */
361 ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf));
362 if (ret != 0)
363 goto out;
364
365 /* SPC-4, section 6.4.2: Standard INQUIRY data */
366 peripheral_device_type = inquiry_buf[0] & 0x1f;
367 if (peripheral_device_type == 0x05)
368 {
369 is_packet_device = 1;
370 ret = disk_identify_packet_device_command(fd, out_identify, 512);
371 goto check_nul_bytes;
372 }
373 if (peripheral_device_type != 0x00) {
374 ret = -1;
375 errno = EIO;
376 goto out;
377 }
378
379 /* OK, now issue the IDENTIFY DEVICE command */
380 ret = disk_identify_command(fd, out_identify, 512);
381 if (ret != 0)
382 goto out;
66094a4a 383
560de575 384 check_nul_bytes:
912541b0
KS		 385 /* Check if IDENTIFY data is all NUL bytes - if so, bail */
386 all_nul_bytes = 1;
387 for (n = 0; n < 512; n++) {
388 if (out_identify[n] != '\0') {
389 all_nul_bytes = 0;
390 break;
391 }
392 }
393
394 if (all_nul_bytes) {
395 ret = -1;
396 errno = EIO;
397 goto out;
398 }
66094a4a 399
6992637e 400out:
912541b0 401 if (out_is_packet_device != NULL)
1e8e0a32 402 *out_is_packet_device = is_packet_device;
912541b0 403 return ret;
66094a4a
DZ		 404}
405
670e4705
KS		 406int main(int argc, char *argv[])
407{
11c6f693 408 _cleanup_udev_unref_ struct udev *udev = NULL;
912541b0 409 struct hd_driveid id;
6024a6e3
SL		 410 union {
411 uint8_t byte[512];
412 uint16_t wyde[256];
6024a6e3 413 } identify;
912541b0
KS		 414 char model[41];
415 char model_enc[256];
416 char serial[21];
417 char revision[9];
418 const char *node = NULL;
419 int export = 0;
11c6f693 420 _cleanup_close_ int fd = -1;
912541b0 421 uint16_t word;
912541b0
KS		 422 int is_packet_device = 0;
423 static const struct option options[] = {
424 { "export", no_argument, NULL, 'x' },
425 { "help", no_argument, NULL, 'h' },
426 {}
427 };
428
5168f84a
LP		 429 log_parse_environment();
430 log_open();
431
912541b0
KS		 432 udev = udev_new();
433 if (udev == NULL)
11c6f693 434 return 0;
912541b0 435
57255510 436 for (;;) {
912541b0
KS		 437 int option;
438
439 option = getopt_long(argc, argv, "xh", options, NULL);
440 if (option == -1)
441 break;
442
443 switch (option) {
444 case 'x':
445 export = 1;
446 break;
447 case 'h':
448 printf("Usage: ata_id [--export] [--help] <device>\n"
257e968d
RM		 449 " -x,--export print values as environment keys\n"
450 " -h,--help print this help text\n\n");
11c6f693 451 return 0;
912541b0
KS		 452 }
453 }
454
455 node = argv[optind];
456 if (node == NULL) {
9f6445e3 457 log_error("no node specified");
11c6f693 458 return 1;
912541b0
KS		 459 }
460
c8a202b7 461 fd = open(node, O_RDONLY|O_NONBLOCK|O_CLOEXEC);
912541b0 462 if (fd < 0) {
9f6445e3 463 log_error("unable to open '%s'", node);
11c6f693 464 return 1;
912541b0
KS		 465 }
466
6024a6e3 467 if (disk_identify(udev, fd, identify.byte, &is_packet_device) == 0) {
912541b0
KS		 468 /*
469 * fix up only the fields from the IDENTIFY data that we are going to
470 * use and copy it into the hd_driveid struct for convenience
471 */
6024a6e3
SL		 472 disk_identify_fixup_string(identify.byte, 10, 20); /* serial */
473 disk_identify_fixup_string(identify.byte, 23, 8); /* fwrev */
474 disk_identify_fixup_string(identify.byte, 27, 40); /* model */
475 disk_identify_fixup_uint16(identify.byte, 0); /* configuration */
476 disk_identify_fixup_uint16(identify.byte, 75); /* queue depth */
a6affd88 477 disk_identify_fixup_uint16(identify.byte, 76); /* SATA capabilities */
6024a6e3
SL		 478 disk_identify_fixup_uint16(identify.byte, 82); /* command set supported */
479 disk_identify_fixup_uint16(identify.byte, 83); /* command set supported */
480 disk_identify_fixup_uint16(identify.byte, 84); /* command set supported */
481 disk_identify_fixup_uint16(identify.byte, 85); /* command set supported */
482 disk_identify_fixup_uint16(identify.byte, 86); /* command set supported */
483 disk_identify_fixup_uint16(identify.byte, 87); /* command set supported */
484 disk_identify_fixup_uint16(identify.byte, 89); /* time required for SECURITY ERASE UNIT */
485 disk_identify_fixup_uint16(identify.byte, 90); /* time required for enhanced SECURITY ERASE UNIT */
486 disk_identify_fixup_uint16(identify.byte, 91); /* current APM values */
487 disk_identify_fixup_uint16(identify.byte, 94); /* current AAM value */
a6affd88
KS		 488 disk_identify_fixup_uint16(identify.byte, 108); /* WWN */
489 disk_identify_fixup_uint16(identify.byte, 109); /* WWN */
490 disk_identify_fixup_uint16(identify.byte, 110); /* WWN */
491 disk_identify_fixup_uint16(identify.byte, 111); /* WWN */
6024a6e3
SL		 492 disk_identify_fixup_uint16(identify.byte, 128); /* device lock function */
493 disk_identify_fixup_uint16(identify.byte, 217); /* nominal media rotation rate */
494 memcpy(&id, identify.byte, sizeof id);
912541b0
KS		 495 } else {
496 /* If this fails, then try HDIO_GET_IDENTITY */
497 if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
56f64d95 498 log_debug_errno(errno, "HDIO_GET_IDENTITY failed for '%s': %m", node);
11c6f693 499 return 2;
912541b0
KS		 500 }
501 }
912541b0 502
8dc26de6 503 memcpy(model, id.model, 40);
912541b0
KS		 504 model[40] = '\0';
505 udev_util_encode_string(model, model_enc, sizeof(model_enc));
506 util_replace_whitespace((char *) id.model, model, 40);
507 util_replace_chars(model, NULL);
508 util_replace_whitespace((char *) id.serial_no, serial, 20);
509 util_replace_chars(serial, NULL);
510 util_replace_whitespace((char *) id.fw_rev, revision, 8);
511 util_replace_chars(revision, NULL);
512
513 if (export) {
514 /* Set this to convey the disk speaks the ATA protocol */
515 printf("ID_ATA=1\n");
516
517 if ((id.config >> 8) & 0x80) {
518 /* This is an ATAPI device */
519 switch ((id.config >> 8) & 0x1f) {
520 case 0:
521 printf("ID_TYPE=cd\n");
522 break;
523 case 1:
524 printf("ID_TYPE=tape\n");
525 break;
526 case 5:
527 printf("ID_TYPE=cd\n");
528 break;
529 case 7:
530 printf("ID_TYPE=optical\n");
531 break;
532 default:
533 printf("ID_TYPE=generic\n");
534 break;
535 }
536 } else {
537 printf("ID_TYPE=disk\n");
538 }
539 printf("ID_BUS=ata\n");
540 printf("ID_MODEL=%s\n", model);
541 printf("ID_MODEL_ENC=%s\n", model_enc);
542 printf("ID_REVISION=%s\n", revision);
543 if (serial[0] != '\0') {
544 printf("ID_SERIAL=%s_%s\n", model, serial);
545 printf("ID_SERIAL_SHORT=%s\n", serial);
546 } else {
547 printf("ID_SERIAL=%s\n", model);
548 }
549
550 if (id.command_set_1 & (1<<5)) {
11c6f693
ZJS		 551 printf("ID_ATA_WRITE_CACHE=1\n");
552 printf("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0);
912541b0
KS		 553 }
554 if (id.command_set_1 & (1<<10)) {
555 printf("ID_ATA_FEATURE_SET_HPA=1\n");
556 printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0);
557
558 /*
559 * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address
560 * so it is easy to check whether the protected area is in use.
561 */
562 }
563 if (id.command_set_1 & (1<<3)) {
564 printf("ID_ATA_FEATURE_SET_PM=1\n");
565 printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0);
566 }
567 if (id.command_set_1 & (1<<1)) {
568 printf("ID_ATA_FEATURE_SET_SECURITY=1\n");
569 printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0);
570 printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2);
571 if ((id.cfs_enable_1 & (1<<1))) /* enabled */ {
572 if (id.dlf & (1<<8))
573 printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n");
574 else
575 printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n");
576 }
577 if (id.dlf & (1<<5))
578 printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2);
579 if (id.dlf & (1<<4))
580 printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n");
581 if (id.dlf & (1<<3))
582 printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n");
583 if (id.dlf & (1<<2))
584 printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n");
585 }
586 if (id.command_set_1 & (1<<0)) {
587 printf("ID_ATA_FEATURE_SET_SMART=1\n");
588 printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0);
589 }
590 if (id.command_set_2 & (1<<9)) {
591 printf("ID_ATA_FEATURE_SET_AAM=1\n");
592 printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0);
593 printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8);
594 printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff);
595 }
596 if (id.command_set_2 & (1<<5)) {
597 printf("ID_ATA_FEATURE_SET_PUIS=1\n");
598 printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0);
599 }
600 if (id.command_set_2 & (1<<3)) {
601 printf("ID_ATA_FEATURE_SET_APM=1\n");
602 printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0);
603 if ((id.cfs_enable_2 & (1<<3)))
604 printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff);
605 }
606 if (id.command_set_2 & (1<<0))
607 printf("ID_ATA_DOWNLOAD_MICROCODE=1\n");
608
609 /*
610 * Word 76 indicates the capabilities of a SATA device. A PATA device shall set
611 * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then
612 * the device does not claim compliance with the Serial ATA specification and words
613 * 76 through 79 are not valid and shall be ignored.
614 */
3dd0bbeb
ZJS		 615
616 word = identify.wyde[76];
912541b0
KS		 617 if (word != 0x0000 && word != 0xffff) {
618 printf("ID_ATA_SATA=1\n");
619 /*
620 * If bit 2 of word 76 is set to one, then the device supports the Gen2
621 * signaling rate of 3.0 Gb/s (see SATA 2.6).
622 *
623 * If bit 1 of word 76 is set to one, then the device supports the Gen1
624 * signaling rate of 1.5 Gb/s (see SATA 2.6).
625 */
626 if (word & (1<<2))
627 printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n");
628 if (word & (1<<1))
629 printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n");
630 }
631
632 /* Word 217 indicates the nominal media rotation rate of the device */
3dd0bbeb 633 word = identify.wyde[217];
11c6f693
ZJS		 634 if (word == 0x0001)
635 printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */
636 else if (word >= 0x0401 && word <= 0xfffe)
637 printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word);
912541b0
KS		 638
639 /*
640 * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier
641 * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE.
642 * All other values are reserved.
643 */
3dd0bbeb 644 word = identify.wyde[108];
01f61d33
ZJS		 645 if ((word & 0xf000) == 0x5000) {
646 uint64_t wwwn;
647
648 wwwn = identify.wyde[108];
649 wwwn <<= 16;
650 wwwn |= identify.wyde[109];
651 wwwn <<= 16;
652 wwwn |= identify.wyde[110];
653 wwwn <<= 16;
654 wwwn |= identify.wyde[111];
ec62e858
JE		 655 printf("ID_WWN=0x%1$" PRIx64 "\n"
656 "ID_WWN_WITH_EXTENSION=0x%1$" PRIx64 "\n",
01f61d33
ZJS		 657 wwwn);
658 }
912541b0
KS		 659
660 /* from Linux's include/linux/ata.h */
3dd0bbeb
ZJS		 661 if (identify.wyde[0] == 0x848a ||
662 identify.wyde[0] == 0x844a ||
663 (identify.wyde[83] & 0xc004) == 0x4004)
912541b0 664 printf("ID_ATA_CFA=1\n");
912541b0
KS		 665 } else {
666 if (serial[0] != '\0')
667 printf("%s_%s\n", model, serial);
668 else
669 printf("%s\n", model);
670 }
11c6f693
ZJS		 671
672 return 0;
670e4705 673}
Unnamed repository; edit this file 'description' to name the repository.