1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of libatasmart.
6 Copyright 2008 Lennart Poettering
8 libatasmart is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as
10 published by the Free Software Foundation, either version 2.1 of the
11 License, or (at your option) any later version.
13 libatasmart is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public
19 License along with libatasmart. If not, If not, see
20 <http://www.gnu.org/licenses/>.
27 #include <arpa/inet.h>
37 #include <sys/ioctl.h>
38 #include <scsi/scsi.h>
40 #include <scsi/scsi_ioctl.h>
41 #include <linux/hdreg.h>
43 #include <sys/types.h>
45 #include <sys/param.h>
54 #define SK_TIMEOUT 2000
56 typedef enum SkDirection {
63 typedef enum SkDiskType {
64 /* These three will be autotested for: */
65 SK_DISK_TYPE_ATA_PASSTHROUGH_12, /* ATA passthrough over SCSI transport, 12-byte version */
66 SK_DISK_TYPE_ATA_PASSTHROUGH_16, /* ATA passthrough over SCSI transport, 16-byte version */
67 SK_DISK_TYPE_LINUX_IDE, /* Classic Linux /dev/hda ioctls */
69 /* These three will not be autotested for */
70 SK_DISK_TYPE_SUNPLUS, /* SunPlus USB/ATA bridges */
71 SK_DISK_TYPE_JMICRON, /* JMicron USB/ATA bridges */
72 SK_DISK_TYPE_BLOB, /* From a file */
73 SK_DISK_TYPE_NONE, /* No access method */
74 SK_DISK_TYPE_AUTO, /* We don't know yet */
76 _SK_DISK_TYPE_TEST_MAX = SK_DISK_TYPE_SUNPLUS /* only auto test until here */
79 #if __BYTE_ORDER == __LITTLE_ENDIAN
80 #define MAKE_TAG(a,b,c,d) \
81 (((uint32_t) d << 24) | \
82 ((uint32_t) c << 16) | \
83 ((uint32_t) b << 8) | \
86 #define MAKE_TAG(a,b,c,d) \
87 (((uint32_t) a << 24) | \
88 ((uint32_t) b << 16) | \
89 ((uint32_t) c << 8) | \
93 typedef enum SkBlobTag {
94 SK_BLOB_TAG_IDENTIFY = MAKE_TAG('I', 'D', 'F', 'Y'),
95 SK_BLOB_TAG_SMART_STATUS = MAKE_TAG('S', 'M', 'S', 'T'),
96 SK_BLOB_TAG_SMART_DATA = MAKE_TAG('S', 'M', 'D', 'T'),
97 SK_BLOB_TAG_SMART_THRESHOLDS = MAKE_TAG('S', 'M', 'T', 'H')
107 uint8_t identify[512];
108 uint8_t smart_data[512];
109 uint8_t smart_thresholds[512];
111 SkBool smart_initialized:1;
113 SkBool identify_valid:1;
114 SkBool smart_data_valid:1;
115 SkBool smart_thresholds_valid:1;
117 SkBool blob_smart_status:1;
118 SkBool blob_smart_status_valid:1;
120 SkBool attribute_verification_bad:1;
122 SkIdentifyParsedData identify_parsed_data;
123 SkSmartParsedData smart_parsed_data;
129 typedef enum SkAtaCommand {
130 SK_ATA_COMMAND_IDENTIFY_DEVICE = 0xEC,
131 SK_ATA_COMMAND_IDENTIFY_PACKET_DEVICE = 0xA1,
132 SK_ATA_COMMAND_SMART = 0xB0,
133 SK_ATA_COMMAND_CHECK_POWER_MODE = 0xE5
136 /* ATA SMART subcommands (ATA8 7.52.1) */
137 typedef enum SkSmartCommand {
138 SK_SMART_COMMAND_READ_DATA = 0xD0,
139 SK_SMART_COMMAND_READ_THRESHOLDS = 0xD1,
140 SK_SMART_COMMAND_EXECUTE_OFFLINE_IMMEDIATE = 0xD4,
141 SK_SMART_COMMAND_ENABLE_OPERATIONS = 0xD8,
142 SK_SMART_COMMAND_DISABLE_OPERATIONS = 0xD9,
143 SK_SMART_COMMAND_RETURN_STATUS = 0xDA
146 /* Hmm, if the data we parse is out of a certain range just consider it misparsed */
147 #define SK_MKELVIN_VALID_MIN ((uint64_t) ((-15LL*1000LL) + 273150LL))
148 #define SK_MKELVIN_VALID_MAX ((uint64_t) ((100LL*1000LL) + 273150LL))
150 #define SK_MSECOND_VALID_MIN 1ULL
151 #define SK_MSECOND_VALID_SHORT_MAX (60ULL * 60ULL * 1000ULL)
152 #define SK_MSECOND_VALID_LONG_MAX (30ULL * 365ULL * 24ULL * 60ULL * 60ULL * 1000ULL)
154 static int init_smart(SkDisk *d);
156 static const char *disk_type_to_human_string(SkDiskType type) {
158 /* %STRINGPOOLSTART% */
159 static const char* const map[_SK_DISK_TYPE_MAX] = {
160 [SK_DISK_TYPE_ATA_PASSTHROUGH_16] = "16 Byte SCSI ATA SAT Passthru",
161 [SK_DISK_TYPE_ATA_PASSTHROUGH_12] = "12 Byte SCSI ATA SAT Passthru",
162 [SK_DISK_TYPE_LINUX_IDE] = "Native Linux IDE",
163 [SK_DISK_TYPE_SUNPLUS] = "Sunplus SCSI ATA Passthru",
164 [SK_DISK_TYPE_JMICRON] = "JMicron SCSI ATA Passthru",
165 [SK_DISK_TYPE_BLOB] = "Blob",
166 [SK_DISK_TYPE_AUTO] = "Automatic",
167 [SK_DISK_TYPE_NONE] = "None"
169 /* %STRINGPOOLSTOP% */
171 if (type >= _SK_DISK_TYPE_MAX)
174 return _P(map[type]);
177 static const char *disk_type_to_prefix_string(SkDiskType type) {
179 /* %STRINGPOOLSTART% */
180 static const char* const map[_SK_DISK_TYPE_MAX] = {
181 [SK_DISK_TYPE_ATA_PASSTHROUGH_16] = "sat16",
182 [SK_DISK_TYPE_ATA_PASSTHROUGH_12] = "sat12",
183 [SK_DISK_TYPE_LINUX_IDE] = "linux-ide",
184 [SK_DISK_TYPE_SUNPLUS] = "sunplus",
185 [SK_DISK_TYPE_JMICRON] = "jmicron",
186 [SK_DISK_TYPE_NONE] = "none",
187 [SK_DISK_TYPE_AUTO] = "auto",
189 /* %STRINGPOOLSTOP% */
191 if (type >= _SK_DISK_TYPE_MAX)
194 return _P(map[type]);
197 static const char *disk_type_from_string(const char *s, SkDiskType *type) {
203 for (u = 0; u < _SK_DISK_TYPE_MAX; u++) {
207 if (!(t = disk_type_to_prefix_string(u)))
212 if (strncmp(s, t, l))
226 static SkBool disk_smart_is_available(SkDisk *d) {
227 return d->identify_valid && !!(d->identify[164] & 1);
230 static SkBool disk_smart_is_enabled(SkDisk *d) {
231 return d->identify_valid && !!(d->identify[170] & 1);
234 static SkBool disk_smart_is_conveyance_test_available(SkDisk *d) {
235 assert(d->smart_data_valid);
237 return !!(d->smart_data[367] & 32);
239 static SkBool disk_smart_is_short_and_extended_test_available(SkDisk *d) {
240 assert(d->smart_data_valid);
242 return !!(d->smart_data[367] & 16);
245 static SkBool disk_smart_is_start_test_available(SkDisk *d) {
246 assert(d->smart_data_valid);
248 return !!(d->smart_data[367] & 1);
251 static SkBool disk_smart_is_abort_test_available(SkDisk *d) {
252 assert(d->smart_data_valid);
254 return !!(d->smart_data[367] & 41);
257 static int disk_linux_ide_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) {
258 uint8_t *bytes = cmd_data;
261 assert(d->type == SK_DISK_TYPE_LINUX_IDE);
265 case SK_DIRECTION_OUT:
267 /* We could use HDIO_DRIVE_TASKFILE here, but
268 * that's a deprecated ioctl(), hence we don't
269 * do it. And we don't need writing anyway. */
274 case SK_DIRECTION_IN: {
277 /* We have HDIO_DRIVE_CMD which can only read, but not write,
278 * and cannot do LBA. We use it for all read commands. */
280 ioctl_data = alloca(4 + *len);
281 memset(ioctl_data, 0, 4 + *len);
283 ioctl_data[0] = (uint8_t) command; /* COMMAND */
284 ioctl_data[1] = ioctl_data[0] == WIN_SMART ? bytes[9] : bytes[3]; /* SECTOR/NSECTOR */
285 ioctl_data[2] = bytes[1]; /* FEATURE */
286 ioctl_data[3] = bytes[3]; /* NSECTOR */
288 if ((ret = ioctl(d->fd, HDIO_DRIVE_CMD, ioctl_data)) < 0)
291 memset(bytes, 0, 12);
292 bytes[11] = ioctl_data[0];
293 bytes[1] = ioctl_data[1];
294 bytes[3] = ioctl_data[2];
296 memcpy(data, ioctl_data+4, *len);
301 case SK_DIRECTION_NONE: {
302 uint8_t ioctl_data[7];
304 /* We have HDIO_DRIVE_TASK which can neither read nor
305 * write, but can do LBA. We use it for all commands that
306 * do neither read nor write */
308 memset(ioctl_data, 0, sizeof(ioctl_data));
310 ioctl_data[0] = (uint8_t) command; /* COMMAND */
311 ioctl_data[1] = bytes[1]; /* FEATURE */
312 ioctl_data[2] = bytes[3]; /* NSECTOR */
314 ioctl_data[3] = bytes[9]; /* LBA LOW */
315 ioctl_data[4] = bytes[8]; /* LBA MID */
316 ioctl_data[5] = bytes[7]; /* LBA HIGH */
317 ioctl_data[6] = bytes[10]; /* SELECT */
319 if ((ret = ioctl(d->fd, HDIO_DRIVE_TASK, ioctl_data)))
322 memset(bytes, 0, 12);
323 bytes[11] = ioctl_data[0];
324 bytes[1] = ioctl_data[1];
325 bytes[3] = ioctl_data[2];
327 bytes[9] = ioctl_data[3];
328 bytes[8] = ioctl_data[4];
329 bytes[7] = ioctl_data[5];
331 bytes[10] = ioctl_data[6];
342 /* Sends a SCSI command block */
343 static int sg_io(int fd, int direction,
344 const void *cdb, size_t cdb_len,
345 void *data, size_t data_len,
346 void *sense, size_t sense_len) {
348 struct sg_io_hdr io_hdr;
350 memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
352 io_hdr.interface_id = 'S';
353 io_hdr.cmdp = (unsigned char*) cdb;
354 io_hdr.cmd_len = cdb_len;
355 io_hdr.dxferp = data;
356 io_hdr.dxfer_len = data_len;
358 io_hdr.mx_sb_len = sense_len;
359 io_hdr.dxfer_direction = direction;
360 io_hdr.timeout = SK_TIMEOUT;
362 return ioctl(fd, SG_IO, &io_hdr);
365 static int disk_passthrough_16_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) {
366 uint8_t *bytes = cmd_data;
369 uint8_t *desc = sense+8;
372 static const int direction_map[] = {
373 [SK_DIRECTION_NONE] = SG_DXFER_NONE,
374 [SK_DIRECTION_IN] = SG_DXFER_FROM_DEV,
375 [SK_DIRECTION_OUT] = SG_DXFER_TO_DEV
378 assert(d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_16);
380 /* ATA Pass-Through 16 byte command, as described in "T10 04-262r8
381 * ATA Command Pass-Through":
382 * http://www.t10.org/ftp/t10/document.04/04-262r8.pdf */
384 memset(cdb, 0, sizeof(cdb));
386 cdb[0] = 0x85; /* OPERATION CODE: 16 byte pass through */
388 if (direction == SK_DIRECTION_NONE) {
389 cdb[1] = 3 << 1; /* PROTOCOL: Non-Data */
390 cdb[2] = 0x20; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=0, T_LENGTH=0 */
392 } else if (direction == SK_DIRECTION_IN) {
393 cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */
394 cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
396 } else if (direction == SK_DIRECTION_OUT) {
397 cdb[1] = 5 << 1; /* PROTOCOL: PIO Data-Out */
398 cdb[2] = 0x26; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=1, T_LENGTH=2 */
401 cdb[3] = bytes[0]; /* FEATURES */
404 cdb[5] = bytes[2]; /* SECTORS */
407 cdb[8] = bytes[9]; /* LBA LOW */
408 cdb[10] = bytes[8]; /* LBA MID */
409 cdb[12] = bytes[7]; /* LBA HIGH */
411 cdb[13] = bytes[10] & 0x4F; /* SELECT */
412 cdb[14] = (uint8_t) command;
414 memset(sense, 0, sizeof(sense));
416 if ((ret = sg_io(d->fd, direction_map[direction], cdb, sizeof(cdb), data, len ? *len : 0, sense, sizeof(sense))) < 0)
419 if (sense[0] != 0x72 || desc[0] != 0x9 || desc[1] != 0x0c) {
424 memset(bytes, 0, 12);
432 bytes[10] = desc[12];
433 bytes[11] = desc[13];
438 static int disk_passthrough_12_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) {
439 uint8_t *bytes = cmd_data;
442 uint8_t *desc = sense+8;
445 static const int direction_map[] = {
446 [SK_DIRECTION_NONE] = SG_DXFER_NONE,
447 [SK_DIRECTION_IN] = SG_DXFER_FROM_DEV,
448 [SK_DIRECTION_OUT] = SG_DXFER_TO_DEV
451 assert(d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_12);
453 /* ATA Pass-Through 12 byte command, as described in "T10 04-262r8
454 * ATA Command Pass-Through":
455 * http://www.t10.org/ftp/t10/document.04/04-262r8.pdf */
457 memset(cdb, 0, sizeof(cdb));
459 cdb[0] = 0xa1; /* OPERATION CODE: 12 byte pass through */
461 if (direction == SK_DIRECTION_NONE) {
462 cdb[1] = 3 << 1; /* PROTOCOL: Non-Data */
463 cdb[2] = 0x20; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=0, T_LENGTH=0 */
465 } else if (direction == SK_DIRECTION_IN) {
466 cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */
467 cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
469 } else if (direction == SK_DIRECTION_OUT) {
470 cdb[1] = 5 << 1; /* PROTOCOL: PIO Data-Out */
471 cdb[2] = 0x26; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=1, T_LENGTH=2 */
474 cdb[3] = bytes[1]; /* FEATURES */
475 cdb[4] = bytes[3]; /* SECTORS */
477 cdb[5] = bytes[9]; /* LBA LOW */
478 cdb[6] = bytes[8]; /* LBA MID */
479 cdb[7] = bytes[7]; /* LBA HIGH */
481 cdb[8] = bytes[10] & 0x4F; /* SELECT */
482 cdb[9] = (uint8_t) command;
484 memset(sense, 0, sizeof(sense));
486 if ((ret = sg_io(d->fd, direction_map[direction], cdb, sizeof(cdb), data, len ? *len : 0, sense, sizeof(sense))) < 0)
489 if (sense[0] != 0x72 || desc[0] != 0x9 || desc[1] != 0x0c) {
494 memset(bytes, 0, 12);
496 bytes[1] = desc[3]; /* FEATURES */
497 bytes[2] = desc[4]; /* STATUS */
498 bytes[3] = desc[5]; /* SECTORS */
499 bytes[9] = desc[7]; /* LBA LOW */
500 bytes[8] = desc[9]; /* LBA MID */
501 bytes[7] = desc[11]; /* LBA HIGH */
502 bytes[10] = desc[12]; /* SELECT */
503 bytes[11] = desc[13]; /* ERROR */
508 static int disk_sunplus_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) {
509 uint8_t *bytes = cmd_data;
511 uint8_t sense[32], buf[8];
513 static const int direction_map[] = {
514 [SK_DIRECTION_NONE] = SG_DXFER_NONE,
515 [SK_DIRECTION_IN] = SG_DXFER_FROM_DEV,
516 [SK_DIRECTION_OUT] = SG_DXFER_TO_DEV
519 assert(d->type == SK_DISK_TYPE_SUNPLUS);
521 /* SunplusIT specific SCSI ATA pass-thru. Inspired by smartmonutils' support for these bridges */
523 memset(cdb, 0, sizeof(cdb));
525 cdb[0] = 0xF8; /* OPERATION CODE: Sunplus specific */
526 cdb[1] = 0x00; /* Subcommand: Pass-thru */
529 if (direction == SK_DIRECTION_NONE)
530 cdb[3] = 0x00; /* protocol */
531 else if (direction == SK_DIRECTION_IN)
532 cdb[3] = 0x10; /* protocol */
533 else if (direction == SK_DIRECTION_OUT)
534 cdb[3] = 0x11; /* protocol */
536 cdb[4] = bytes[3]; /* size? */
537 cdb[5] = bytes[1]; /* FEATURES */
538 cdb[6] = bytes[3]; /* SECTORS */
539 cdb[7] = bytes[9]; /* LBA LOW */
540 cdb[8] = bytes[8]; /* LBA MID */
541 cdb[9] = bytes[7]; /* LBA HIGH */
542 cdb[10] = bytes[10] | 0xA0; /* SELECT */
543 cdb[11] = (uint8_t) command;
545 memset(sense, 0, sizeof(sense));
548 if ((ret = sg_io(d->fd, direction_map[direction], cdb, sizeof(cdb), data, len ? *len : 0, sense, sizeof(sense))) < 0)
551 memset(cdb, 0, sizeof(cdb));
557 memset(buf, 0, sizeof(buf));
559 /* Ask for response */
560 if ((ret = sg_io(d->fd, SG_DXFER_FROM_DEV, cdb, sizeof(cdb), buf, sizeof(buf), sense, sizeof(sense))) < 0)
563 memset(bytes, 0, 12);
565 bytes[2] = buf[1]; /* ERROR */
566 bytes[3] = buf[2]; /* SECTORS */
567 bytes[9] = buf[3]; /* LBA LOW */
568 bytes[8] = buf[4]; /* LBA MID */
569 bytes[7] = buf[5]; /* LBA HIGH */
570 bytes[10] = buf[6]; /* SELECT */
571 bytes[11] = buf[7]; /* STATUS */
576 static int disk_jmicron_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* _data, size_t *_len) {
577 uint8_t *bytes = cmd_data;
582 SkBool is_smart_status = FALSE;
584 size_t len = _len ? *_len : 0;
585 uint8_t smart_status = 0;
587 static const int direction_map[] = {
588 [SK_DIRECTION_NONE] = SG_DXFER_NONE,
589 [SK_DIRECTION_IN] = SG_DXFER_FROM_DEV,
590 [SK_DIRECTION_OUT] = SG_DXFER_TO_DEV
593 assert(d->type == SK_DISK_TYPE_JMICRON);
595 /* JMicron specific SCSI ATA pass-thru. Inspired by smartmonutils' support for these bridges */
597 memset(cdb, 0, sizeof(cdb));
599 cdb[0] = 0xdf; /* operation code */
602 cdb[3] = 0x00; /* size HI */
603 cdb[4] = sizeof(port); /* size LO */
605 cdb[6] = 0x72; /* register address HI */
606 cdb[7] = 0x0f; /* register address LO */
612 memset(sense, 0, sizeof(sense));
614 if ((ret = sg_io(d->fd, SG_DXFER_FROM_DEV, cdb, sizeof(cdb), &port, sizeof(port), sense, sizeof(sense))) < 0)
617 /* Port & 0x04 is port #0, Port & 0x40 is port #1 */
621 cdb[0] = 0xdf; /* OPERATION CODE: 12 byte pass through */
623 if (command == SK_ATA_COMMAND_SMART && bytes[1] == SK_SMART_COMMAND_RETURN_STATUS) {
624 /* We need to rewrite the SMART status request */
625 is_smart_status = TRUE;
626 direction = SK_DIRECTION_IN;
627 data = &smart_status;
628 len = sizeof(smart_status);
630 } else if (direction == SK_DIRECTION_NONE)
632 else if (direction == SK_DIRECTION_IN)
634 else if (direction == SK_DIRECTION_OUT)
639 cdb[3] = (uint8_t) (len >> 8);
640 cdb[4] = (uint8_t) (len & 0xFF);
642 cdb[5] = bytes[1]; /* FEATURES */
643 cdb[6] = bytes[3]; /* SECTORS */
645 cdb[7] = bytes[9]; /* LBA LOW */
646 cdb[8] = bytes[8]; /* LBA MID */
647 cdb[9] = bytes[7]; /* LBA HIGH */
649 cdb[10] = bytes[10] | ((port & 0x04) ? 0xA0 : 0xB0); /* SELECT */
650 cdb[11] = (uint8_t) command;
652 memset(sense, 0, sizeof(sense));
654 if ((ret = sg_io(d->fd, direction_map[direction], cdb, sizeof(cdb), data, len, sense, sizeof(sense))) < 0)
657 memset(bytes, 0, 12);
659 if (is_smart_status) {
660 if (smart_status == 0x01 || smart_status == 0xc2) {
661 bytes[7] = 0xc2; /* LBA HIGH */
662 bytes[8] = 0x4f; /* LBA MID */
663 } else if (smart_status == 0x00 || smart_status == 0x2c) {
664 bytes[7] = 0x2c; /* LBA HIGH */
665 bytes[8] = 0xf4; /* LBA MID */
671 cdb[0] = 0xdf; /* operation code */
674 cdb[3] = 0x00; /* size HI */
675 cdb[4] = sizeof(regbuf); /* size LO */
677 cdb[6] = (port & 0x04) ? 0x80 : 0x90; /* register address HI */
678 cdb[7] = 0x00; /* register address LO */
684 if ((ret = sg_io(d->fd, SG_DXFER_FROM_DEV, cdb, sizeof(cdb), regbuf, sizeof(regbuf), sense, sizeof(sense))) < 0)
687 bytes[2] = regbuf[14]; /* STATUS */
688 bytes[3] = regbuf[0]; /* SECTORS */
689 bytes[9] = regbuf[6]; /* LBA LOW */
690 bytes[8] = regbuf[4]; /* LBA MID */
691 bytes[7] = regbuf[10]; /* LBA HIGH */
692 bytes[10] = regbuf[9]; /* SELECT */
693 bytes[11] = regbuf[13]; /* ERROR */
699 static int disk_command(SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) {
701 static int (* const disk_command_table[_SK_DISK_TYPE_MAX]) (SkDisk *d, SkAtaCommand command, SkDirection direction, void* cmd_data, void* data, size_t *len) = {
702 [SK_DISK_TYPE_LINUX_IDE] = disk_linux_ide_command,
703 [SK_DISK_TYPE_ATA_PASSTHROUGH_12] = disk_passthrough_12_command,
704 [SK_DISK_TYPE_ATA_PASSTHROUGH_16] = disk_passthrough_16_command,
705 [SK_DISK_TYPE_SUNPLUS] = disk_sunplus_command,
706 [SK_DISK_TYPE_JMICRON] = disk_jmicron_command,
707 [SK_DISK_TYPE_BLOB] = NULL,
708 [SK_DISK_TYPE_AUTO] = NULL,
709 [SK_DISK_TYPE_NONE] = NULL
713 assert(d->type <= _SK_DISK_TYPE_MAX);
714 assert(direction <= _SK_DIRECTION_MAX);
716 assert(direction == SK_DIRECTION_NONE || (data && len && *len > 0));
717 assert(direction != SK_DIRECTION_NONE || (!data && !len));
719 if (!disk_command_table[d->type]) {
724 return disk_command_table[d->type](d, command, direction, cmd_data, data, len);
727 static int disk_identify_device(SkDisk *d) {
733 if (d->type == SK_DISK_TYPE_BLOB)
736 memset(d->identify, 0, len);
737 memset(cmd, 0, sizeof(cmd));
741 if ((ret = disk_command(d, SK_ATA_COMMAND_IDENTIFY_DEVICE, SK_DIRECTION_IN, cmd, d->identify, &len)) < 0)
749 /* Check if IDENTIFY data is all NULs */
750 for (p = d->identify; p < (const uint8_t*) d->identify+len; p++)
761 d->identify_valid = TRUE;
766 int sk_disk_check_sleep_mode(SkDisk *d, SkBool *awake) {
771 if (!d->identify_valid) {
776 if (d->type == SK_DISK_TYPE_BLOB) {
781 memset(cmd, 0, sizeof(cmd));
783 if ((ret = disk_command(d, SK_ATA_COMMAND_CHECK_POWER_MODE, SK_DIRECTION_NONE, cmd, NULL, 0)) < 0)
786 if (cmd[0] != 0 || (ntohs(cmd[5]) & 1) != 0) {
791 status = ntohs(cmd[1]) & 0xFF;
792 *awake = status == 0xFF || status == 0x80; /* idle and active/idle is considered awake */
797 static int disk_smart_enable(SkDisk *d, SkBool b) {
800 if (!disk_smart_is_available(d)) {
805 if (d->type == SK_DISK_TYPE_BLOB) {
810 memset(cmd, 0, sizeof(cmd));
812 cmd[0] = htons(b ? SK_SMART_COMMAND_ENABLE_OPERATIONS : SK_SMART_COMMAND_DISABLE_OPERATIONS);
813 cmd[2] = htons(0x0000U);
814 cmd[3] = htons(0x00C2U);
815 cmd[4] = htons(0x4F00U);
817 return disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_NONE, cmd, NULL, 0);
820 int sk_disk_smart_read_data(SkDisk *d) {
825 if (init_smart(d) < 0)
828 if (!disk_smart_is_available(d)) {
833 if (d->type == SK_DISK_TYPE_BLOB)
836 memset(cmd, 0, sizeof(cmd));
838 cmd[0] = htons(SK_SMART_COMMAND_READ_DATA);
840 cmd[2] = htons(0x0000U);
841 cmd[3] = htons(0x00C2U);
842 cmd[4] = htons(0x4F00U);
844 if ((ret = disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_IN, cmd, d->smart_data, &len)) < 0)
847 d->smart_data_valid = TRUE;
852 static int disk_smart_read_thresholds(SkDisk *d) {
857 if (!disk_smart_is_available(d)) {
862 if (d->type == SK_DISK_TYPE_BLOB)
865 memset(cmd, 0, sizeof(cmd));
867 cmd[0] = htons(SK_SMART_COMMAND_READ_THRESHOLDS);
869 cmd[2] = htons(0x0000U);
870 cmd[3] = htons(0x00C2U);
871 cmd[4] = htons(0x4F00U);
873 if ((ret = disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_IN, cmd, d->smart_thresholds, &len)) < 0)
876 d->smart_thresholds_valid = TRUE;
881 int sk_disk_smart_status(SkDisk *d, SkBool *good) {
885 if (init_smart(d) < 0)
888 if (!disk_smart_is_available(d)) {
893 if (d->type == SK_DISK_TYPE_BLOB) {
895 if (d->blob_smart_status_valid) {
896 *good = d->blob_smart_status;
904 memset(cmd, 0, sizeof(cmd));
906 cmd[0] = htons(SK_SMART_COMMAND_RETURN_STATUS);
907 cmd[1] = htons(0x0000U);
908 cmd[3] = htons(0x00C2U);
909 cmd[4] = htons(0x4F00U);
911 if ((ret = disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_NONE, cmd, NULL, 0)) < 0)
914 /* SAT/USB bridges truncate packets, so we only check for 4F,
915 * not for 2C on those */
916 if ((d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_12 || cmd[3] == htons(0x00C2U)) &&
917 cmd[4] == htons(0x4F00U))
919 else if ((d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_12 || cmd[3] == htons(0x002CU)) &&
920 cmd[4] == htons(0xF400U))
930 int sk_disk_smart_self_test(SkDisk *d, SkSmartSelfTest test) {
934 if (init_smart(d) < 0)
937 if (!disk_smart_is_available(d)) {
942 if (d->type == SK_DISK_TYPE_BLOB) {
947 if (!d->smart_data_valid)
948 if ((ret = sk_disk_smart_read_data(d)) < 0)
951 assert(d->smart_data_valid);
953 if (test != SK_SMART_SELF_TEST_SHORT &&
954 test != SK_SMART_SELF_TEST_EXTENDED &&
955 test != SK_SMART_SELF_TEST_CONVEYANCE &&
956 test != SK_SMART_SELF_TEST_ABORT) {
961 if (!disk_smart_is_start_test_available(d)
962 || (test == SK_SMART_SELF_TEST_ABORT && !disk_smart_is_abort_test_available(d))
963 || ((test == SK_SMART_SELF_TEST_SHORT || test == SK_SMART_SELF_TEST_EXTENDED) && !disk_smart_is_short_and_extended_test_available(d))
964 || (test == SK_SMART_SELF_TEST_CONVEYANCE && !disk_smart_is_conveyance_test_available(d))) {
969 if (test == SK_SMART_SELF_TEST_ABORT &&
970 !disk_smart_is_abort_test_available(d)) {
975 memset(cmd, 0, sizeof(cmd));
977 cmd[0] = htons(SK_SMART_COMMAND_EXECUTE_OFFLINE_IMMEDIATE);
978 cmd[2] = htons(0x0000U);
979 cmd[3] = htons(0x00C2U);
980 cmd[4] = htons(0x4F00U | (uint16_t) test);
982 return disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_NONE, cmd, NULL, NULL);
985 static void swap_strings(char *s, size_t len) {
986 assert((len & 1) == 0);
988 for (; len > 0; s += 2, len -= 2) {
996 static void clean_strings(char *s) {
1000 if (*e < ' ' || *e >= 127)
1004 static void drop_spaces(char *s) {
1006 SkBool prev_space = FALSE;
1008 s += strspn(s, " ");
1029 static void read_string(char *d, uint8_t *s, size_t len) {
1032 swap_strings(d, len);
1037 int sk_disk_identify_parse(SkDisk *d, const SkIdentifyParsedData **ipd) {
1041 if (!d->identify_valid) {
1046 read_string(d->identify_parsed_data.serial, d->identify+20, 20);
1047 read_string(d->identify_parsed_data.firmware, d->identify+46, 8);
1048 read_string(d->identify_parsed_data.model, d->identify+54, 40);
1050 *ipd = &d->identify_parsed_data;
1055 int sk_disk_smart_is_available(SkDisk *d, SkBool *b) {
1059 if (!d->identify_valid) {
1064 *b = disk_smart_is_available(d);
1068 int sk_disk_identify_is_available(SkDisk *d, SkBool *b) {
1072 *b = d->identify_valid;
1076 const char *sk_smart_offline_data_collection_status_to_string(SkSmartOfflineDataCollectionStatus status) {
1078 /* %STRINGPOOLSTART% */
1079 static const char* const map[] = {
1080 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_NEVER] = "Off-line data collection activity was never started.",
1081 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS] = "Off-line data collection activity was completed without error.",
1082 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS] = "Off-line activity in progress.",
1083 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED] = "Off-line data collection activity was suspended by an interrupting command from host.",
1084 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_ABORTED] = "Off-line data collection activity was aborted by an interrupting command from host.",
1085 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_FATAL] = "Off-line data collection activity was aborted by the device with a fatal error.",
1086 [SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN] = "Unknown status"
1088 /* %STRINGPOOLSTOP% */
1090 if (status >= _SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_MAX)
1093 return _P(map[status]);
1096 const char *sk_smart_self_test_execution_status_to_string(SkSmartSelfTestExecutionStatus status) {
1098 /* %STRINGPOOLSTART% */
1099 static const char* const map[] = {
1100 [SK_SMART_SELF_TEST_EXECUTION_STATUS_SUCCESS_OR_NEVER] = "The previous self-test routine completed without error or no self-test has ever been run.",
1101 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ABORTED] = "The self-test routine was aborted by the host.",
1102 [SK_SMART_SELF_TEST_EXECUTION_STATUS_INTERRUPTED] = "The self-test routine was interrupted by the host with a hardware or software reset.",
1103 [SK_SMART_SELF_TEST_EXECUTION_STATUS_FATAL] = "A fatal error or unknown test error occurred while the device was executing its self-test routine and the device was unable to complete the self-test routine.",
1104 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_UNKNOWN] = "The previous self-test completed having a test element that failed and the test element that failed.",
1105 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_ELECTRICAL] = "The previous self-test completed having the electrical element of the test failed.",
1106 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_SERVO] = "The previous self-test completed having the servo (and/or seek) test element of the test failed.",
1107 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_READ] = "The previous self-test completed having the read element of the test failed.",
1108 [SK_SMART_SELF_TEST_EXECUTION_STATUS_ERROR_HANDLING] = "The previous self-test completed having a test element that failed and the device is suspected of having handling damage.",
1109 [SK_SMART_SELF_TEST_EXECUTION_STATUS_INPROGRESS] = "Self-test routine in progress"
1111 /* %STRINGPOOLSTOP% */
1113 if (status >= _SK_SMART_SELF_TEST_EXECUTION_STATUS_MAX)
1116 return _P(map[status]);
1119 const char* sk_smart_self_test_to_string(SkSmartSelfTest test) {
1122 case SK_SMART_SELF_TEST_SHORT:
1124 case SK_SMART_SELF_TEST_EXTENDED:
1126 case SK_SMART_SELF_TEST_CONVEYANCE:
1127 return "conveyance";
1128 case SK_SMART_SELF_TEST_ABORT:
1135 SkBool sk_smart_self_test_available(const SkSmartParsedData *d, SkSmartSelfTest test) {
1138 if (!d->start_test_available)
1142 case SK_SMART_SELF_TEST_SHORT:
1143 case SK_SMART_SELF_TEST_EXTENDED:
1144 return d->short_and_extended_test_available;
1145 case SK_SMART_SELF_TEST_CONVEYANCE:
1146 return d->conveyance_test_available;
1147 case SK_SMART_SELF_TEST_ABORT:
1148 return d->abort_test_available;
1154 unsigned sk_smart_self_test_polling_minutes(const SkSmartParsedData *d, SkSmartSelfTest test) {
1157 if (!sk_smart_self_test_available(d, test))
1161 case SK_SMART_SELF_TEST_SHORT:
1162 return d->short_test_polling_minutes;
1163 case SK_SMART_SELF_TEST_EXTENDED:
1164 return d->extended_test_polling_minutes;
1165 case SK_SMART_SELF_TEST_CONVEYANCE:
1166 return d->conveyance_test_polling_minutes;
1172 static void make_pretty(SkSmartAttributeParsedData *a) {
1173 uint64_t fourtyeight;
1178 if (a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_UNKNOWN)
1182 ((uint64_t) a->raw[0]) |
1183 (((uint64_t) a->raw[1]) << 8) |
1184 (((uint64_t) a->raw[2]) << 16) |
1185 (((uint64_t) a->raw[3]) << 24) |
1186 (((uint64_t) a->raw[4]) << 32) |
1187 (((uint64_t) a->raw[5]) << 40);
1189 if (!strcmp(a->name, "spin-up-time"))
1190 a->pretty_value = fourtyeight & 0xFFFF;
1191 else if (!strcmp(a->name, "airflow-temperature-celsius") ||
1192 !strcmp(a->name, "temperature-celsius") ||
1193 !strcmp(a->name, "temperature-celsius-2"))
1194 a->pretty_value = (fourtyeight & 0xFFFF)*1000 + 273150;
1195 else if (!strcmp(a->name, "temperature-centi-celsius"))
1196 a->pretty_value = (fourtyeight & 0xFFFF)*100 + 273150;
1197 else if (!strcmp(a->name, "power-on-minutes"))
1198 a->pretty_value = fourtyeight * 60 * 1000;
1199 else if (!strcmp(a->name, "power-on-seconds") ||
1200 !strcmp(a->name, "power-on-seconds-2"))
1201 a->pretty_value = fourtyeight * 1000;
1202 else if (!strcmp(a->name, "power-on-half-minutes"))
1203 a->pretty_value = fourtyeight * 30 * 1000;
1204 else if (!strcmp(a->name, "power-on-hours") ||
1205 !strcmp(a->name, "loaded-hours") ||
1206 !strcmp(a->name, "head-flying-hours"))
1207 a->pretty_value = (fourtyeight & 0xFFFFFFFFU) * 60 * 60 * 1000;
1208 else if (!strcmp(a->name, "reallocated-sector-count") ||
1209 !strcmp(a->name, "current-pending-sector"))
1210 a->pretty_value = fourtyeight & 0xFFFFFFFFU;
1211 else if (!strcmp(a->name, "endurance-remaining") ||
1212 !strcmp(a->name, "available-reserved-space"))
1213 a->pretty_value = a->current_value;
1214 else if (!strcmp(a->name, "total-lbas-written") ||
1215 !strcmp(a->name, "total-lbas-read"))
1216 a->pretty_value = fourtyeight * 65535 * 512 / 1000000000;
1218 a->pretty_value = fourtyeight;
1221 typedef void (*SkSmartAttributeVerify)(SkDisk *d, SkSmartAttributeParsedData *a);
1223 typedef struct SkSmartAttributeInfo {
1225 SkSmartAttributeUnit unit;
1226 SkSmartAttributeVerify verify;
1227 } SkSmartAttributeInfo;
1229 static void verify_temperature(SkDisk *d, SkSmartAttributeParsedData *a) {
1231 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MKELVIN);
1233 if (a->pretty_value < SK_MKELVIN_VALID_MIN ||
1234 a->pretty_value > SK_MKELVIN_VALID_MAX) {
1235 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1236 d->attribute_verification_bad = TRUE;
1240 static void verify_short_time(SkDisk *d, SkSmartAttributeParsedData *a) {
1242 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MSECONDS);
1244 if (a->pretty_value < SK_MSECOND_VALID_MIN ||
1245 a->pretty_value > SK_MSECOND_VALID_SHORT_MAX) {
1246 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1247 d->attribute_verification_bad = TRUE;
1251 static void verify_long_time(SkDisk *d, SkSmartAttributeParsedData *a) {
1253 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MSECONDS);
1255 if (a->pretty_value < SK_MSECOND_VALID_MIN ||
1256 a->pretty_value > SK_MSECOND_VALID_LONG_MAX) {
1257 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1258 d->attribute_verification_bad = TRUE;
1262 static void verify_sectors(SkDisk *d, SkSmartAttributeParsedData *a) {
1263 uint64_t max_sectors;
1267 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_SECTORS);
1269 max_sectors = d->size / 512ULL;
1271 if (max_sectors > 0 && a->pretty_value > max_sectors) {
1272 a->pretty_value = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1273 d->attribute_verification_bad = TRUE;
1275 if ((!strcmp(a->name, "reallocated-sector-count") ||
1276 !strcmp(a->name, "current-pending-sector")) &&
1277 a->pretty_value > 0)
1282 /* This data is stolen from smartmontools */
1284 /* %STRINGPOOLSTART% */
1285 static const SkSmartAttributeInfo const attribute_info[256] = {
1286 [1] = { "raw-read-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1287 [2] = { "throughput-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1288 [3] = { "spin-up-time", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_short_time },
1289 [4] = { "start-stop-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1290 [5] = { "reallocated-sector-count", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1291 [6] = { "read-channel-margin", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1292 [7] = { "seek-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1293 [8] = { "seek-time-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1294 [9] = { "power-on-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1295 [10] = { "spin-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1296 [11] = { "calibration-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1297 [12] = { "power-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1298 [13] = { "read-soft-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1299 [184] = { "end-to-end-error", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1300 [187] = { "reported-uncorrect", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1301 [188] = { "command-timeout", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1302 [189] = { "high-fly-writes", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1303 [190] = { "airflow-temperature-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1304 [191] = { "g-sense-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1305 [192] = { "power-off-retract-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1306 [193] = { "load-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1307 [194] = { "temperature-celsius-2", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1308 [195] = { "hardware-ecc-recovered", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1309 [196] = { "reallocated-event-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1310 [197] = { "current-pending-sector", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1311 [198] = { "offline-uncorrectable", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1312 [199] = { "udma-crc-error-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1313 [200] = { "multi-zone-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1314 [201] = { "soft-read-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1315 [202] = { "ta-increase-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1316 [203] = { "run-out-cancel", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1317 [204] = { "shock-count-write-open", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1318 [205] = { "shock-rate-write-open", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1319 [206] = { "flying-height", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1320 [207] = { "spin-high-current", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1321 [208] = { "spin-buzz", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1322 [209] = { "offline-seek-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1323 [220] = { "disk-shift", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1324 [221] = { "g-sense-error-rate-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1325 [222] = { "loaded-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1326 [223] = { "load-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1327 [224] = { "load-friction", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1328 [225] = { "load-cycle-count-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1329 [226] = { "load-in-time", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_short_time },
1330 [227] = { "torq-amp-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1331 [228] = { "power-off-retract-count-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1332 [230] = { "head-amplitude", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1333 [231] = { "temperature-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1335 /* http://www.adtron.com/pdf/SMART_for_XceedLite_SATA_RevA.pdf */
1336 [232] = { "endurance-remaining", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL },
1337 [233] = { "power-on-seconds-2", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1338 [234] = { "uncorrectable-ecc-count", SK_SMART_ATTRIBUTE_UNIT_SECTORS, NULL },
1339 [235] = { "good-block-rate", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1341 [240] = { "head-flying-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1342 [241] = { "total-lbas-written", SK_SMART_ATTRIBUTE_UNIT_GB, NULL },
1343 [242] = { "total-lbas-read", SK_SMART_ATTRIBUTE_UNIT_GB, NULL },
1344 [250] = { "read-error-retry-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL }
1346 /* %STRINGPOOLSTOP% */
1348 typedef enum SkSmartQuirk {
1349 SK_SMART_QUIRK_9_POWERONMINUTES = 0x00001,
1350 SK_SMART_QUIRK_9_POWERONSECONDS = 0x00002,
1351 SK_SMART_QUIRK_9_POWERONHALFMINUTES = 0x00004,
1352 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT = 0x00008,
1353 SK_SMART_QUIRK_193_LOADUNLOAD = 0x00010,
1354 SK_SMART_QUIRK_194_10XCELSIUS = 0x00020,
1355 SK_SMART_QUIRK_194_UNKNOWN = 0x00040,
1356 SK_SMART_QUIRK_200_WRITEERRORCOUNT = 0x00080,
1357 SK_SMART_QUIRK_201_DETECTEDTACOUNT = 0x00100,
1358 SK_SMART_QUIRK_5_UNKNOWN = 0x00200,
1359 SK_SMART_QUIRK_9_UNKNOWN = 0x00400,
1360 SK_SMART_QUIRK_197_UNKNOWN = 0x00800,
1361 SK_SMART_QUIRK_198_UNKNOWN = 0x01000,
1362 SK_SMART_QUIRK_190_UNKNOWN = 0x02000,
1363 SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE = 0x04000,
1364 SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR = 0x08000,
1365 SK_SMART_QUIRK_225_TOTALLBASWRITTEN = 0x10000
1368 /* %STRINGPOOLSTART% */
1369 static const char *quirk_name[] = {
1372 "9_POWERONHALFMINUTES",
1373 "192_EMERGENCYRETRACTCYCLECT",
1377 "200_WRITEERRORCOUNT",
1378 "201_DETECTEDTACOUNT",
1384 "232_AVAILABLERESERVEDSPACE",
1387 /* %STRINGPOOLSTOP% */
1389 typedef struct SkSmartQuirkDatabase {
1391 const char *firmware;
1393 } SkSmartQuirkDatabase;
1395 static const SkSmartQuirkDatabase quirk_database[] = { {
1399 "FUJITSU MHY2120BH|"
1402 "^0085000B$", /* seems to be specific to this firmware */
1403 SK_SMART_QUIRK_9_POWERONMINUTES|
1404 SK_SMART_QUIRK_197_UNKNOWN|
1405 SK_SMART_QUIRK_198_UNKNOWN
1407 "^FUJITSU MHR2040AT$",
1409 SK_SMART_QUIRK_9_POWERONSECONDS|
1410 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT|
1411 SK_SMART_QUIRK_200_WRITEERRORCOUNT
1413 "^FUJITSU MHS20[6432]0AT( .)?$",
1415 SK_SMART_QUIRK_9_POWERONSECONDS|
1416 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT|
1417 SK_SMART_QUIRK_200_WRITEERRORCOUNT|
1418 SK_SMART_QUIRK_201_DETECTEDTACOUNT
1422 "FUJITSU MHG2...ATU?.*|"
1423 "FUJITSU MHH2...ATU?.*|"
1424 "FUJITSU MHJ2...ATU?.*|"
1425 "FUJITSU MHK2...ATU?.*|"
1426 "FUJITSU MHL2300AT|"
1427 "FUJITSU MHM2(20|15|10|06)0AT|"
1428 "FUJITSU MHN2...AT|"
1429 "FUJITSU MHR2020AT|"
1430 "FUJITSU MHT2...(AH|AS|AT|BH)U?.*|"
1431 "FUJITSU MHU2...ATU?.*|"
1432 "FUJITSU MHV2...(AH|AS|AT|BH|BS|BT).*|"
1433 "FUJITSU MP[A-G]3...A[HTEV]U?.*"
1436 SK_SMART_QUIRK_9_POWERONSECONDS
1442 "SAMSUNG SP(0451|08[0124]2|12[0145]3|16[0145]4)[CN]"
1445 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1452 SK_SMART_QUIRK_9_POWERONHALFMINUTES|
1453 SK_SMART_QUIRK_194_10XCELSIUS
1455 "^SAMSUNG SP40A2H$",
1457 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1459 "^SAMSUNG SP80A4H$",
1461 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1463 "^SAMSUNG SP8004H$",
1465 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1470 "Maxtor 2B0(0[468]|1[05]|20)H1|"
1471 "Maxtor 4G(120J6|160J[68])|"
1472 "Maxtor 4D0(20H1|40H2|60H3|80H4)"
1475 SK_SMART_QUIRK_9_POWERONMINUTES|
1476 SK_SMART_QUIRK_194_UNKNOWN
1479 "Maxtor 2F0[234]0[JL]0|"
1480 "Maxtor 8(1280A2|2160A4|2560A4|3840A6|4000A6|5120A8)|"
1481 "Maxtor 8(2160D2|3228D3|3240D3|4320D4|6480D6|8400D8|8455D8)|"
1482 "Maxtor 9(0510D4|0576D4|0648D5|0720D5|0840D6|0845D6|0864D6|1008D7|1080D8|1152D8)|"
1483 "Maxtor 9(1(360|350|202)D8|1190D7|10[12]0D6|0840D5|06[48]0D4|0510D3|1(350|202)E8|1010E6|0840E5|0640E4)|"
1484 "Maxtor 9(0512D2|0680D3|0750D3|0913D4|1024D4|1360D6|1536D6|1792D7|2048D8)|"
1485 "Maxtor 9(2732U8|2390U7|204[09]U6|1707U5|1366U4|1024U3|0845U3|0683U2)|"
1486 "Maxtor 4(R0[68]0[JL]0|R1[26]0L0|A160J0|R120L4)|"
1487 "Maxtor (91728D8|91512D7|91303D6|91080D5|90845D4|90645D3|90648D[34]|90432D2)|"
1488 "Maxtor 9(0431U1|0641U2|0871U2|1301U3|1741U4)|"
1489 "Maxtor (94091U8|93071U6|92561U5|92041U4|91731U4|91531U3|91361U3|91021U2|90841U2|90651U2)|"
1490 "Maxtor (33073U4|32049U3|31536U2|30768U1|33073H4|32305H3|31536H2|30768H1)|"
1491 "Maxtor (93652U8|92739U6|91826U4|91369U3|90913U2|90845U2|90435U1)|"
1492 "Maxtor 9(0684U2|1024U2|1362U3|1536U3|2049U4|2562U5|3073U6|4098U8)|"
1493 "Maxtor (54098[UH]8|53073[UH]6|52732[UH]6|52049[UH]4|51536[UH]3|51369[UH]3|51024[UH]2)|"
1494 "Maxtor 3(1024H1|1535H2|2049H2|3073H3|4098H4)( B)?|"
1495 "Maxtor 5(4610H6|4098H6|3073H4|2049H3|1536H2|1369H2|1023H2)|"
1496 "Maxtor 9(1023U2|1536U2|2049U3|2305U3|3073U4|4610U6|6147U8)|"
1497 "Maxtor 9(1023H2|1536H2|2049H3|2305H3|3073H4|4098H6|4610H6|6147H8)|"
1498 "Maxtor 5T0(60H6|40H4|30H3|20H2|10H1)|"
1499 "Maxtor (98196H8|96147H6)|"
1500 "Maxtor 4W(100H6|080H6|060H4|040H3|030H2)|"
1501 "Maxtor 6(E0[234]|K04)0L0|"
1502 "Maxtor 6(B(30|25|20|16|12|10|08)0[MPRS]|L(080[MLP]|(100|120)[MP]|160[MP]|200[MPRS]|250[RS]|300[RS]))0|"
1503 "Maxtor 6Y((060|080|120|160)L0|(060|080|120|160|200|250)P0|(060|080|120|160|200|250)M0)|"
1504 "Maxtor 7Y250[PM]0|"
1505 "Maxtor [45]A(25|30|32)0[JN]0|"
1506 "Maxtor 7L(25|30)0[SR]0"
1509 SK_SMART_QUIRK_9_POWERONMINUTES
1515 "HITACHI_DK14FA-20B|"
1516 "HITACHI_DK23..-..B?|"
1517 "HITACHI_DK23FA-20J|HTA422020F9AT[JN]0|"
1518 "HE[JN]4230[23]0F9AT00|"
1519 "HTC4260[23]0G5CE00|HTC4260[56]0G8CE00"
1522 SK_SMART_QUIRK_9_POWERONMINUTES|
1523 SK_SMART_QUIRK_193_LOADUNLOAD
1525 "^HTS541010G9SA00$",
1527 SK_SMART_QUIRK_5_UNKNOWN
1530 /*** Apple SSD (?) http://bugs.freedesktop.org/show_bug.cgi?id=24700
1531 https://bugs.launchpad.net/ubuntu/+source/gnome-disk-utility/+bug/438136/comments/4 */
1534 SK_SMART_QUIRK_5_UNKNOWN|
1535 SK_SMART_QUIRK_190_UNKNOWN
1539 "^INTEL SSDSA2CW[0-9]{3}G3$",
1541 SK_SMART_QUIRK_225_TOTALLBASWRITTEN|
1542 SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE|
1543 SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR
1551 static int match(const char*regex, const char *s, SkBool *result) {
1557 if (regcomp(&re, regex, REG_EXTENDED|REG_NOSUB) != 0) {
1562 if ((k = regexec(&re, s, 0, NULL, 0)) != 0) {
1564 if (k != REG_NOMATCH) {
1578 static int lookup_quirks(const char *model, const char *firmware, SkSmartQuirk *quirk) {
1580 const SkSmartQuirkDatabase *db;
1584 for (db = quirk_database; db->model || db->firmware; db++) {
1587 SkBool matching = FALSE;
1589 if ((k = match(db->model, model, &matching)) < 0)
1597 SkBool matching = FALSE;
1599 if ((k = match(db->firmware, firmware, &matching)) < 0)
1613 static const SkSmartAttributeInfo *lookup_attribute(SkDisk *d, uint8_t id) {
1614 const SkIdentifyParsedData *ipd;
1615 SkSmartQuirk quirk = 0;
1617 /* These are the complex ones */
1618 if (sk_disk_identify_parse(d, &ipd) < 0)
1621 if (lookup_quirks(ipd->model, ipd->firmware, &quirk) < 0)
1628 if (quirk & SK_SMART_QUIRK_5_UNKNOWN)
1634 /* %STRINGPOOLSTART% */
1635 if (quirk & SK_SMART_QUIRK_9_POWERONMINUTES) {
1636 static const SkSmartAttributeInfo a = {
1637 "power-on-minutes", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1641 } else if (quirk & SK_SMART_QUIRK_9_POWERONSECONDS) {
1642 static const SkSmartAttributeInfo a = {
1643 "power-on-seconds", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1647 } else if (quirk & SK_SMART_QUIRK_9_POWERONHALFMINUTES) {
1648 static const SkSmartAttributeInfo a = {
1649 "power-on-half-minutes", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1652 } else if (quirk & SK_SMART_QUIRK_9_UNKNOWN)
1654 /* %STRINGPOOLSTOP% */
1659 if (quirk & SK_SMART_QUIRK_190_UNKNOWN)
1665 /* %STRINGPOOLSTART% */
1666 if (quirk & SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT) {
1667 static const SkSmartAttributeInfo a = {
1668 "emergency-retract-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1672 /* %STRINGPOOLSTOP% */
1677 /* %STRINGPOOLSTART% */
1678 if (quirk & SK_SMART_QUIRK_194_10XCELSIUS) {
1679 static const SkSmartAttributeInfo a = {
1680 "temperature-centi-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature
1683 } else if (quirk & SK_SMART_QUIRK_194_UNKNOWN)
1685 /* %STRINGPOOLSTOP% */
1690 if (quirk & SK_SMART_QUIRK_197_UNKNOWN)
1696 if (quirk & SK_SMART_QUIRK_198_UNKNOWN)
1702 /* %STRINGPOOLSTART% */
1703 if (quirk & SK_SMART_QUIRK_200_WRITEERRORCOUNT) {
1704 static const SkSmartAttributeInfo a = {
1705 "write-error-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1709 /* %STRINGPOOLSTOP% */
1714 /* %STRINGPOOLSTART% */
1715 if (quirk & SK_SMART_QUIRK_201_DETECTEDTACOUNT) {
1716 static const SkSmartAttributeInfo a = {
1717 "detected-ta-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1721 /* %STRINGPOOLSTOP% */
1726 /* %STRINGPOOLSTART% */
1727 if (quirk & SK_SMART_QUIRK_225_TOTALLBASWRITTEN) {
1728 static const SkSmartAttributeInfo a = {
1729 "total-lbas-written", SK_SMART_ATTRIBUTE_UNIT_GB, NULL
1733 /* %STRINGPOOLSTOP% */
1738 /* %STRINGPOOLSTART% */
1739 if (quirk & SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE) {
1740 static const SkSmartAttributeInfo a = {
1741 "available-reserved-space", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL
1745 /* %STRINGPOOLSTOP% */
1749 /* %STRINGPOOLSTART% */
1750 if (quirk & SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR) {
1751 static const SkSmartAttributeInfo a = {
1752 "media-wearout-indicator", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL
1756 /* %STRINGPOOLSTOP% */
1762 /* These are the simple cases */
1763 if (attribute_info[id].name)
1764 return &attribute_info[id];
1769 int sk_disk_smart_parse(SkDisk *d, const SkSmartParsedData **spd) {
1771 if (!d->smart_data_valid) {
1776 switch (d->smart_data[362]) {
1779 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_NEVER;
1784 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS;
1788 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS;
1793 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED;
1798 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_ABORTED;
1803 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_FATAL;
1807 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN;
1811 d->smart_parsed_data.self_test_execution_percent_remaining = 10*(d->smart_data[363] & 0xF);
1812 d->smart_parsed_data.self_test_execution_status = (d->smart_data[363] >> 4) & 0xF;
1814 d->smart_parsed_data.total_offline_data_collection_seconds = (uint16_t) d->smart_data[364] | ((uint16_t) d->smart_data[365] << 8);
1816 d->smart_parsed_data.conveyance_test_available = disk_smart_is_conveyance_test_available(d);
1817 d->smart_parsed_data.short_and_extended_test_available = disk_smart_is_short_and_extended_test_available(d);
1818 d->smart_parsed_data.start_test_available = disk_smart_is_start_test_available(d);
1819 d->smart_parsed_data.abort_test_available = disk_smart_is_abort_test_available(d);
1821 d->smart_parsed_data.short_test_polling_minutes = d->smart_data[372];
1822 d->smart_parsed_data.extended_test_polling_minutes = d->smart_data[373] != 0xFF ? d->smart_data[373] : ((uint16_t) d->smart_data[376] << 8 | (uint16_t) d->smart_data[375]);
1823 d->smart_parsed_data.conveyance_test_polling_minutes = d->smart_data[374];
1825 *spd = &d->smart_parsed_data;
1830 static void find_threshold(SkDisk *d, SkSmartAttributeParsedData *a) {
1834 if (!d->smart_thresholds_valid)
1837 for (n = 0, p = d->smart_thresholds+2; n < 30; n++, p+=12)
1844 a->threshold = p[1];
1845 a->threshold_valid = p[1] != 0xFE;
1847 a->good_now_valid = FALSE;
1849 a->good_in_the_past_valid = FALSE;
1850 a->good_in_the_past = TRUE;
1852 /* Always-Fail and Always-Passing thresholds are not relevant
1853 * for our assessment. */
1854 if (p[1] >= 1 && p[1] <= 0xFD) {
1856 if (a->worst_value_valid) {
1857 a->good_in_the_past = a->good_in_the_past && (a->worst_value > a->threshold);
1858 a->good_in_the_past_valid = TRUE;
1861 if (a->current_value_valid) {
1862 a->good_now = a->good_now && (a->current_value > a->threshold);
1863 a->good_now_valid = TRUE;
1868 (a->good_now_valid && !a->good_now) ||
1869 (a->good_in_the_past_valid && !a->good_in_the_past);
1874 a->threshold_valid = FALSE;
1875 a->good_now_valid = FALSE;
1876 a->good_in_the_past_valid = FALSE;
1880 int sk_disk_smart_parse_attributes(SkDisk *d, SkSmartAttributeParseCallback cb, void* userdata) {
1884 if (!d->smart_data_valid) {
1889 for (n = 0, p = d->smart_data + 2; n < 30; n++, p+=12) {
1890 SkSmartAttributeParsedData a;
1891 const SkSmartAttributeInfo *i;
1897 memset(&a, 0, sizeof(a));
1899 a.current_value = p[3];
1900 a.current_value_valid = p[3] >= 1 && p[3] <= 0xFD;
1901 a.worst_value = p[4];
1902 a.worst_value_valid = p[4] >= 1 && p[4] <= 0xFD;
1904 a.flags = ((uint16_t) p[2] << 8) | p[1];
1905 a.prefailure = !!(p[1] & 1);
1906 a.online = !!(p[1] & 2);
1908 memcpy(a.raw, p+5, 6);
1910 if ((i = lookup_attribute(d, p[0]))) {
1911 a.name = _P(i->name);
1912 a.pretty_unit = i->unit;
1914 if (asprintf(&an, "attribute-%u", a.id) < 0) {
1920 a.pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1925 find_threshold(d, &a);
1930 cb(d, &a, userdata);
1937 static const char *yes_no(SkBool b) {
1938 return b ? "yes" : "no";
1941 const char* sk_smart_attribute_unit_to_string(SkSmartAttributeUnit unit) {
1943 /* %STRINGPOOLSTART% */
1944 const char * const map[] = {
1945 [SK_SMART_ATTRIBUTE_UNIT_UNKNOWN] = NULL,
1946 [SK_SMART_ATTRIBUTE_UNIT_NONE] = "",
1947 [SK_SMART_ATTRIBUTE_UNIT_MSECONDS] = "ms",
1948 [SK_SMART_ATTRIBUTE_UNIT_SECTORS] = "sectors",
1949 [SK_SMART_ATTRIBUTE_UNIT_MKELVIN] = "mK",
1950 [SK_SMART_ATTRIBUTE_UNIT_PERCENT] = "%",
1951 [SK_SMART_ATTRIBUTE_UNIT_GB] = "GB"
1953 /* %STRINGPOOLSTOP% */
1955 if (unit >= _SK_SMART_ATTRIBUTE_UNIT_MAX)
1958 return _P(map[unit]);
1961 struct attr_helper {
1966 static void temperature_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
1968 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_MKELVIN)
1971 if (!strcmp(a->name, "temperature-centi-celsius") ||
1972 !strcmp(a->name, "temperature-celsius") ||
1973 !strcmp(a->name, "temperature-celsius-2") ||
1974 !strcmp(a->name, "airflow-temperature-celsius")) {
1976 if (!ah->found || a->pretty_value > *ah->value)
1977 *ah->value = a->pretty_value;
1983 int sk_disk_smart_get_temperature(SkDisk *d, uint64_t *kelvin) {
1984 struct attr_helper ah;
1992 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) temperature_cb, &ah) < 0)
2003 static void power_on_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2005 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_MSECONDS)
2008 if (!strcmp(a->name, "power-on-minutes") ||
2009 !strcmp(a->name, "power-on-seconds") ||
2010 !strcmp(a->name, "power-on-seconds-2") ||
2011 !strcmp(a->name, "power-on-half-minutes") ||
2012 !strcmp(a->name, "power-on-hours")) {
2014 if (!ah->found || a->pretty_value > *ah->value)
2015 *ah->value = a->pretty_value;
2021 int sk_disk_smart_get_power_on(SkDisk *d, uint64_t *mseconds) {
2022 struct attr_helper ah;
2028 ah.value = mseconds;
2030 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) power_on_cb, &ah) < 0)
2041 static void power_cycle_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2043 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_NONE)
2046 if (!strcmp(a->name, "power-cycle-count")) {
2048 if (!ah->found || a->pretty_value > *ah->value)
2049 *ah->value = a->pretty_value;
2055 int sk_disk_smart_get_power_cycle(SkDisk *d, uint64_t *count) {
2056 struct attr_helper ah;
2064 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) power_cycle_cb, &ah) < 0)
2075 static void reallocated_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2077 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_SECTORS)
2080 if (!strcmp(a->name, "reallocated-sector-count")) {
2082 if (!ah->found || a->pretty_value > *ah->value)
2083 *ah->value = a->pretty_value;
2089 static void pending_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2091 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_SECTORS)
2094 if (!strcmp(a->name, "current-pending-sector")) {
2096 if (!ah->found || a->pretty_value > *ah->value)
2097 *ah->value = a->pretty_value;
2103 int sk_disk_smart_get_bad(SkDisk *d, uint64_t *sectors) {
2104 struct attr_helper ah1, ah2;
2105 uint64_t sectors1, sectors2;
2111 ah1.value = §ors1;
2113 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) reallocated_cb, &ah1) < 0)
2117 ah2.value = §ors2;
2119 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) pending_cb, &ah2) < 0)
2122 if (!ah1.found && !ah2.found) {
2127 if (ah1.found && ah2.found)
2128 *sectors = sectors1 + sectors2;
2130 *sectors = sectors1;
2132 *sectors = sectors2;
2137 const char* sk_smart_overall_to_string(SkSmartOverall overall) {
2139 /* %STRINGPOOLSTART% */
2140 const char * const map[] = {
2141 [SK_SMART_OVERALL_GOOD] = "GOOD",
2142 [SK_SMART_OVERALL_BAD_ATTRIBUTE_IN_THE_PAST] = "BAD_ATTRIBUTE_IN_THE_PAST",
2143 [SK_SMART_OVERALL_BAD_SECTOR] = "BAD_SECTOR",
2144 [SK_SMART_OVERALL_BAD_ATTRIBUTE_NOW] = "BAD_ATTRIBUTE_NOW",
2145 [SK_SMART_OVERALL_BAD_SECTOR_MANY] = "BAD_SECTOR_MANY",
2146 [SK_SMART_OVERALL_BAD_STATUS] = "BAD_STATUS",
2148 /* %STRINGPOOLSTOP% */
2150 if (overall >= _SK_SMART_OVERALL_MAX)
2153 return _P(map[overall]);
2156 static void bad_attribute_now_cb(SkDisk *d, const SkSmartAttributeParsedData *a, SkBool *good) {
2157 if (a->prefailure && a->good_now_valid && !a->good_now)
2161 static void bad_attribute_in_the_past_cb(SkDisk *d, const SkSmartAttributeParsedData *a, SkBool *good) {
2162 if (a->prefailure && a->good_in_the_past_valid && !a->good_in_the_past)
2166 static uint64_t u64log2(uint64_t n) {
2181 int sk_disk_smart_get_overall(SkDisk *d, SkSmartOverall *overall) {
2183 uint64_t sectors, sector_threshold;
2188 /* First, check SMART self-assesment */
2189 if (sk_disk_smart_status(d, &good) < 0)
2193 *overall = SK_SMART_OVERALL_BAD_STATUS;
2197 /* Second, check if the number of bad sectors is greater than
2198 * a certain threshold */
2199 if (sk_disk_smart_get_bad(d, §ors) < 0) {
2200 if (errno != ENOENT)
2205 /* We use log2(n_sectors) as a threshold here. We had to pick
2206 * something, and this makes a bit of sense, or doesn't it? */
2207 sector_threshold = u64log2(d->size/512);
2209 if (sectors >= sector_threshold) {
2210 *overall = SK_SMART_OVERALL_BAD_SECTOR_MANY;
2215 /* Third, check if any of the SMART attributes is bad */
2217 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) bad_attribute_now_cb, &good) < 0)
2221 *overall = SK_SMART_OVERALL_BAD_ATTRIBUTE_NOW;
2225 /* Fourth, check if there are any bad sectors at all */
2227 *overall = SK_SMART_OVERALL_BAD_SECTOR;
2231 /* Fifth, check if any of the SMART attributes ever was bad */
2233 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) bad_attribute_in_the_past_cb, &good) < 0)
2237 *overall = SK_SMART_OVERALL_BAD_ATTRIBUTE_IN_THE_PAST;
2241 /* Sixth, there's really nothing to complain about, so give it a pass */
2242 *overall = SK_SMART_OVERALL_GOOD;
2246 static char* print_name(char *s, size_t len, uint8_t id, const char *k) {
2251 snprintf(s, len, "%u", id);
2258 static char *print_value(char *s, size_t len, uint64_t pretty_value, SkSmartAttributeUnit pretty_unit) {
2260 switch (pretty_unit) {
2261 case SK_SMART_ATTRIBUTE_UNIT_MSECONDS:
2263 if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU*365LLU)
2264 snprintf(s, len, "%0.1f years", ((double) pretty_value)/(1000.0*60*60*24*365));
2265 else if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU*30LLU)
2266 snprintf(s, len, "%0.1f months", ((double) pretty_value)/(1000.0*60*60*24*30));
2267 else if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU)
2268 snprintf(s, len, "%0.1f days", ((double) pretty_value)/(1000.0*60*60*24));
2269 else if (pretty_value >= 1000LLU*60LLU*60LLU)
2270 snprintf(s, len, "%0.1f h", ((double) pretty_value)/(1000.0*60*60));
2271 else if (pretty_value >= 1000LLU*60LLU)
2272 snprintf(s, len, "%0.1f min", ((double) pretty_value)/(1000.0*60));
2273 else if (pretty_value >= 1000LLU)
2274 snprintf(s, len, "%0.1f s", ((double) pretty_value)/(1000.0));
2276 snprintf(s, len, "%llu ms", (unsigned long long) pretty_value);
2280 case SK_SMART_ATTRIBUTE_UNIT_MKELVIN:
2281 snprintf(s, len, "%0.1f C", ((double) pretty_value - 273150) / 1000);
2284 case SK_SMART_ATTRIBUTE_UNIT_SECTORS:
2285 snprintf(s, len, "%llu sectors", (unsigned long long) pretty_value);
2288 case SK_SMART_ATTRIBUTE_UNIT_PERCENT:
2289 snprintf(s, len, "%llu%%", (unsigned long long) pretty_value);
2292 case SK_SMART_ATTRIBUTE_UNIT_GB:
2293 snprintf(s, len, "%llu GB", (unsigned long long) pretty_value);
2296 case SK_SMART_ATTRIBUTE_UNIT_NONE:
2297 snprintf(s, len, "%llu", (unsigned long long) pretty_value);
2300 case SK_SMART_ATTRIBUTE_UNIT_UNKNOWN:
2301 snprintf(s, len, "n/a");
2304 case _SK_SMART_ATTRIBUTE_UNIT_MAX:
2313 #define HIGHLIGHT "\x1B[1m"
2314 #define ENDHIGHLIGHT "\x1B[0m"
2316 static void disk_dump_attributes(SkDisk *d, const SkSmartAttributeParsedData *a, void* userdata) {
2319 char tt[32], tw[32], tc[32];
2322 snprintf(tt, sizeof(tt), "%3u", a->threshold);
2323 tt[sizeof(tt)-1] = 0;
2324 snprintf(tw, sizeof(tw), "%3u", a->worst_value);
2325 tw[sizeof(tw)-1] = 0;
2326 snprintf(tc, sizeof(tc), "%3u", a->current_value);
2327 tc[sizeof(tc)-1] = 0;
2329 highlight = a->warn && isatty(1);
2332 fprintf(stderr, HIGHLIGHT);
2334 printf("%3u %-27s %-3s %-3s %-3s %-11s 0x%02x%02x%02x%02x%02x%02x %-7s %-7s %-4s %-4s\n",
2336 print_name(name, sizeof(name), a->id, a->name),
2337 a->current_value_valid ? tc : "n/a",
2338 a->worst_value_valid ? tw : "n/a",
2339 a->threshold_valid ? tt : "n/a",
2340 print_value(pretty, sizeof(pretty), a->pretty_value, a->pretty_unit),
2341 a->raw[0], a->raw[1], a->raw[2], a->raw[3], a->raw[4], a->raw[5],
2342 a->prefailure ? "prefail" : "old-age",
2343 a->online ? "online" : "offline",
2344 a->good_now_valid ? yes_no(a->good_now) : "n/a",
2345 a->good_in_the_past_valid ? yes_no(a->good_in_the_past) : "n/a");
2348 fprintf(stderr, ENDHIGHLIGHT);
2351 int sk_disk_dump(SkDisk *d) {
2353 SkBool awake = FALSE;
2358 printf("Device: %s%s%s\n"
2360 d->name ? disk_type_to_prefix_string(d->type) : "",
2362 d->name ? d->name : "n/a",
2363 disk_type_to_human_string(d->type));
2365 ret = sk_disk_get_size(d, &size);
2367 printf("Size: %lu MiB\n", (unsigned long) (d->size/1024/1024));
2369 printf("Size: %s\n", strerror(errno));
2371 if (d->identify_valid) {
2372 const SkIdentifyParsedData *ipd;
2373 SkSmartQuirk quirk = 0;
2376 if ((ret = sk_disk_identify_parse(d, &ipd)) < 0)
2379 printf("Model: [%s]\n"
2382 "SMART Available: %s\n",
2386 yes_no(disk_smart_is_available(d)));
2388 if ((ret = lookup_quirks(ipd->model, ipd->firmware, &quirk)))
2393 for (i = 0; quirk_name[i]; i++)
2395 printf(" %s", _P(quirk_name[i]));
2400 ret = sk_disk_check_sleep_mode(d, &awake);
2401 printf("Awake: %s\n",
2402 ret >= 0 ? yes_no(awake) : strerror(errno));
2404 if (disk_smart_is_available(d)) {
2405 SkSmartOverall overall;
2406 const SkSmartParsedData *spd;
2409 uint64_t value, power_on;
2411 ret = sk_disk_smart_status(d, &good);
2412 printf("%sSMART Disk Health Good: %s%s\n",
2413 ret >= 0 && !good ? HIGHLIGHT : "",
2414 ret >= 0 ? yes_no(good) : strerror(errno),
2415 ret >= 0 && !good ? ENDHIGHLIGHT : "");
2416 if ((ret = sk_disk_smart_read_data(d)) < 0)
2419 if ((ret = sk_disk_smart_parse(d, &spd)) < 0)
2422 printf("Off-line Data Collection Status: [%s]\n"
2423 "Total Time To Complete Off-Line Data Collection: %u s\n"
2424 "Self-Test Execution Status: [%s]\n"
2425 "Percent Self-Test Remaining: %u%%\n"
2426 "Conveyance Self-Test Available: %s\n"
2427 "Short/Extended Self-Test Available: %s\n"
2428 "Start Self-Test Available: %s\n"
2429 "Abort Self-Test Available: %s\n"
2430 "Short Self-Test Polling Time: %u min\n"
2431 "Extended Self-Test Polling Time: %u min\n"
2432 "Conveyance Self-Test Polling Time: %u min\n",
2433 sk_smart_offline_data_collection_status_to_string(spd->offline_data_collection_status),
2434 spd->total_offline_data_collection_seconds,
2435 sk_smart_self_test_execution_status_to_string(spd->self_test_execution_status),
2436 spd->self_test_execution_percent_remaining,
2437 yes_no(spd->conveyance_test_available),
2438 yes_no(spd->short_and_extended_test_available),
2439 yes_no(spd->start_test_available),
2440 yes_no(spd->abort_test_available),
2441 spd->short_test_polling_minutes,
2442 spd->extended_test_polling_minutes,
2443 spd->conveyance_test_polling_minutes);
2445 if (sk_disk_smart_get_bad(d, &value) < 0)
2446 printf("Bad Sectors: %s\n", strerror(errno));
2448 printf("%sBad Sectors: %s%s\n",
2449 value > 0 ? HIGHLIGHT : "",
2450 print_value(pretty, sizeof(pretty), value, SK_SMART_ATTRIBUTE_UNIT_SECTORS),
2451 value > 0 ? ENDHIGHLIGHT : "");
2453 if (sk_disk_smart_get_power_on(d, &power_on) < 0) {
2454 printf("Powered On: %s\n", strerror(errno));
2457 printf("Powered On: %s\n", print_value(pretty, sizeof(pretty), power_on, SK_SMART_ATTRIBUTE_UNIT_MSECONDS));
2459 if (sk_disk_smart_get_power_cycle(d, &value) < 0)
2460 printf("Power Cycles: %s\n", strerror(errno));
2462 printf("Power Cycles: %llu\n", (unsigned long long) value);
2464 if (value > 0 && power_on > 0)
2465 printf("Average Powered On Per Power Cycle: %s\n", print_value(pretty, sizeof(pretty), power_on/value, SK_SMART_ATTRIBUTE_UNIT_MSECONDS));
2468 if (sk_disk_smart_get_temperature(d, &value) < 0)
2469 printf("Temperature: %s\n", strerror(errno));
2471 printf("Temperature: %s\n", print_value(pretty, sizeof(pretty), value, SK_SMART_ATTRIBUTE_UNIT_MKELVIN));
2473 printf("Attribute Parsing Verification: %s\n",
2474 d->attribute_verification_bad ? "Bad" : "Good");
2476 if (sk_disk_smart_get_overall(d, &overall) < 0)
2477 printf("Overall Status: %s\n", strerror(errno));
2479 printf("%sOverall Status: %s%s\n",
2480 overall != SK_SMART_OVERALL_GOOD ? HIGHLIGHT : "",
2481 sk_smart_overall_to_string(overall),
2482 overall != SK_SMART_OVERALL_GOOD ? ENDHIGHLIGHT : "");
2484 printf("%3s %-27s %5s %5s %5s %-11s %-14s %-7s %-7s %-4s %-4s\n",
2497 if ((ret = sk_disk_smart_parse_attributes(d, disk_dump_attributes, NULL)) < 0)
2500 printf("ATA SMART not supported.\n");
2505 int sk_disk_get_size(SkDisk *d, uint64_t *bytes) {
2509 if (d->size == (uint64_t) -1) {
2518 static int disk_find_type(SkDisk *d, dev_t devnum) {
2520 struct udev_device *dev = NULL, *usb;
2526 if (!(udev = udev_new())) {
2531 if (!(dev = udev_device_new_from_devnum(udev, 'b', devnum))) {
2536 if ((a = udev_device_get_property_value(dev, "ID_ATA_SMART_ACCESS"))) {
2539 for (u = 0; u < _SK_DISK_TYPE_MAX; u++) {
2542 if (!(t = disk_type_to_prefix_string(u)))
2545 if (!strcmp(a, t)) {
2552 d->type = SK_DISK_TYPE_NONE;
2557 if ((usb = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device"))) {
2558 const char *product, *vendor;
2561 if (!(product = udev_device_get_sysattr_value(usb, "idProduct")) ||
2562 sscanf(product, "%04x", &pid) != 1) {
2567 if (!(vendor = udev_device_get_sysattr_value(usb, "idVendor")) ||
2568 sscanf(vendor, "%04x", &vid) != 1) {
2573 if ((vid == 0x0928 && pid == 0x0000))
2574 /* This Oxford Semiconductor bridge seems to
2575 * choke on SAT commands. Let's explicitly
2576 * black list it here.
2578 * http://bugs.freedesktop.org/show_bug.cgi?id=24951 */
2579 d->type = SK_DISK_TYPE_NONE;
2580 else if ((vid == 0x152d && pid == 0x2329) ||
2581 (vid == 0x152d && pid == 0x2338) ||
2582 (vid == 0x152d && pid == 0x2339))
2583 /* Some JMicron bridges seem to choke on SMART
2584 * commands, so let's explicitly black list
2587 * https://bugzilla.redhat.com/show_bug.cgi?id=515881
2589 * At least some of the JMicron bridges with
2590 * these vids/pids choke on the jmicron access
2591 * mode. To make sure we don't break things
2592 * for people we now disable this by
2594 d->type = SK_DISK_TYPE_NONE;
2595 else if ((vid == 0x152d && pid == 0x2336))
2596 /* This JMicron bridge seems to always work
2597 * with SMART commands send with the jmicron
2599 d->type = SK_DISK_TYPE_JMICRON;
2600 else if ((vid == 0x0c0b && pid == 0xb159) ||
2601 (vid == 0x04fc && pid == 0x0c25) ||
2602 (vid == 0x04fc && pid == 0x0c15))
2603 d->type = SK_DISK_TYPE_SUNPLUS;
2605 d->type = SK_DISK_TYPE_ATA_PASSTHROUGH_12;
2607 } else if (udev_device_get_parent_with_subsystem_devtype(dev, "ide", NULL))
2608 d->type = SK_DISK_TYPE_LINUX_IDE;
2609 else if (udev_device_get_parent_with_subsystem_devtype(dev, "scsi", NULL))
2610 d->type = SK_DISK_TYPE_ATA_PASSTHROUGH_16;
2612 d->type = SK_DISK_TYPE_AUTO;
2618 udev_device_unref(dev);
2626 static int init_smart(SkDisk *d) {
2627 /* We don't do the SMART initialization right-away, since some
2628 * drivers spin up when we do that */
2632 if (d->smart_initialized)
2635 d->smart_initialized = TRUE;
2637 /* Check if driver can do SMART, and enable if necessary */
2638 if (!disk_smart_is_available(d))
2641 if (!disk_smart_is_enabled(d)) {
2642 if ((ret = disk_smart_enable(d, TRUE)) < 0)
2645 if ((ret = disk_identify_device(d)) < 0)
2648 if (!disk_smart_is_enabled(d)) {
2655 disk_smart_read_thresholds(d);
2662 int sk_disk_open(const char *name, SkDisk **_d) {
2669 if (!(d = calloc(1, sizeof(SkDisk)))) {
2675 d->size = (uint64_t) -1;
2678 d->type = SK_DISK_TYPE_BLOB;
2682 d->type = SK_DISK_TYPE_AUTO;
2684 if (!(dn = disk_type_from_string(name, &d->type)))
2687 if (!(d->name = strdup(dn))) {
2692 if ((d->fd = open(d->name,
2693 O_RDONLY|O_NOCTTY|O_NONBLOCK
2703 if ((ret = fstat(d->fd, &st)) < 0)
2706 if (!S_ISBLK(st.st_mode)) {
2712 /* So, it's a block device. Let's make sure the ioctls work */
2713 if ((ret = ioctl(d->fd, BLKGETSIZE64, &d->size)) < 0)
2716 if (d->size <= 0 || d->size == (uint64_t) -1) {
2722 /* OK, it's a real block device with a size. Now let's find the suitable API */
2723 if (d->type == SK_DISK_TYPE_AUTO)
2724 if ((ret = disk_find_type(d, st.st_rdev)) < 0)
2727 if (d->type == SK_DISK_TYPE_AUTO) {
2728 /* We have no clue, so let's autotest for a working API */
2729 for (d->type = 0; d->type < _SK_DISK_TYPE_TEST_MAX; d->type++)
2730 if (disk_identify_device(d) >= 0)
2732 if (d->type >= _SK_DISK_TYPE_TEST_MAX)
2733 d->type = SK_DISK_TYPE_NONE;
2735 disk_identify_device(d);
2750 void sk_disk_free(SkDisk *d) {
2761 int sk_disk_get_blob(SkDisk *d, const void **blob, size_t *rsize) {
2763 SkBool good, have_good = FALSE;
2771 (d->identify_valid ? 8 + sizeof(d->identify) : 0) +
2772 (d->smart_data_valid ? 8 + sizeof(d->smart_data) : 0) +
2773 (d->smart_thresholds_valid ? 8 + sizeof(d->smart_thresholds) : 0);
2775 if (sk_disk_smart_status(d, &good) >= 0) {
2786 if (!(d->blob = malloc(size))) {
2793 /* These memory accesses are only OK as long as all our
2794 * objects are sensibly aligned, which they are... */
2796 if (d->identify_valid) {
2797 p[0] = SK_BLOB_TAG_IDENTIFY;
2798 p[1] = htonl(sizeof(d->identify));
2801 memcpy(p, d->identify, sizeof(d->identify));
2802 p = (uint32_t*) ((uint8_t*) p + sizeof(d->identify));
2806 p[0] = SK_BLOB_TAG_SMART_STATUS;
2808 p[2] = htonl(!!good);
2812 if (d->smart_data_valid) {
2813 p[0] = SK_BLOB_TAG_SMART_DATA;
2814 p[1] = htonl(sizeof(d->smart_data));
2817 memcpy(p, d->smart_data, sizeof(d->smart_data));
2818 p = (uint32_t*) ((uint8_t*) p + sizeof(d->smart_data));
2821 if (d->smart_thresholds_valid) {
2822 p[0] = SK_BLOB_TAG_SMART_THRESHOLDS;
2823 p[1] = htonl(sizeof(d->smart_thresholds));
2826 memcpy(p, d->smart_thresholds, sizeof(d->smart_thresholds));
2827 p = (uint32_t*) ((uint8_t*) p + sizeof(d->smart_thresholds));
2830 assert((size_t) ((uint8_t*) p - (uint8_t*) d->blob) == size);
2838 int sk_disk_set_blob(SkDisk *d, const void *blob, size_t size) {
2841 SkBool idv = FALSE, sdv = FALSE, stv = FALSE, bssv = FALSE;
2846 if (d->type != SK_DISK_TYPE_BLOB) {
2856 /* First run, verify if everything makes sense */
2860 uint32_t tag, tsize;
2868 memcpy(&tsize, p+1, 4);
2872 if (left < ntohl(tsize)) {
2879 case SK_BLOB_TAG_IDENTIFY:
2880 if (ntohl(tsize) != sizeof(d->identify) || idv) {
2887 case SK_BLOB_TAG_SMART_STATUS:
2888 if (ntohl(tsize) != 4 || bssv) {
2895 case SK_BLOB_TAG_SMART_DATA:
2896 if (ntohl(tsize) != sizeof(d->smart_data) || sdv) {
2903 case SK_BLOB_TAG_SMART_THRESHOLDS:
2904 if (ntohl(tsize) != sizeof(d->smart_thresholds) || stv) {
2912 p = (uint32_t*) ((uint8_t*) p + ntohl(tsize));
2913 left -= ntohl(tsize);
2921 d->identify_valid = idv;
2922 d->smart_data_valid = sdv;
2923 d->smart_thresholds_valid = stv;
2924 d->blob_smart_status_valid = bssv;
2926 /* Second run, actually copy things in */
2930 uint32_t tag, tsize;
2934 memcpy(&tsize, p+1, 4);
2938 assert(left >= ntohl(tsize));
2942 case SK_BLOB_TAG_IDENTIFY:
2943 assert(ntohl(tsize) == sizeof(d->identify));
2944 memcpy(d->identify, p, sizeof(d->identify));
2947 case SK_BLOB_TAG_SMART_STATUS: {
2949 assert(ntohl(tsize) == 4);
2951 d->blob_smart_status = !!ok;
2955 case SK_BLOB_TAG_SMART_DATA:
2956 assert(ntohl(tsize) == sizeof(d->smart_data));
2957 memcpy(d->smart_data, p, sizeof(d->smart_data));
2960 case SK_BLOB_TAG_SMART_THRESHOLDS:
2961 assert(ntohl(tsize) == sizeof(d->smart_thresholds));
2962 memcpy(d->smart_thresholds, p, sizeof(d->smart_thresholds));
2966 p = (uint32_t*) ((uint8_t*) p + ntohl(tsize));
2967 left -= ntohl(tsize);