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 * 65536LLU * 512LLU / 1000000LLU;
1217 else if (!strcmp(a->name, "timed-workload-media-wear") ||
1218 !strcmp(a->name, "timed-workload-host-reads"))
1219 a->pretty_value = (double)fourtyeight / 1024LLU;
1220 else if (!strcmp(a->name, "workload-timer"))
1221 a->pretty_value = fourtyeight * 60 * 1000;
1223 a->pretty_value = fourtyeight;
1226 typedef void (*SkSmartAttributeVerify)(SkDisk *d, SkSmartAttributeParsedData *a);
1228 typedef struct SkSmartAttributeInfo {
1230 SkSmartAttributeUnit unit;
1231 SkSmartAttributeVerify verify;
1232 } SkSmartAttributeInfo;
1234 static void verify_temperature(SkDisk *d, SkSmartAttributeParsedData *a) {
1236 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MKELVIN);
1238 if (a->pretty_value < SK_MKELVIN_VALID_MIN ||
1239 a->pretty_value > SK_MKELVIN_VALID_MAX) {
1240 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1241 d->attribute_verification_bad = TRUE;
1245 static void verify_short_time(SkDisk *d, SkSmartAttributeParsedData *a) {
1247 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MSECONDS);
1249 if (a->pretty_value < SK_MSECOND_VALID_MIN ||
1250 a->pretty_value > SK_MSECOND_VALID_SHORT_MAX) {
1251 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1252 d->attribute_verification_bad = TRUE;
1256 static void verify_long_time(SkDisk *d, SkSmartAttributeParsedData *a) {
1258 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_MSECONDS);
1260 if (a->pretty_value < SK_MSECOND_VALID_MIN ||
1261 a->pretty_value > SK_MSECOND_VALID_LONG_MAX) {
1262 a->pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1263 d->attribute_verification_bad = TRUE;
1267 static void verify_sectors(SkDisk *d, SkSmartAttributeParsedData *a) {
1268 uint64_t max_sectors;
1272 assert(a->pretty_unit == SK_SMART_ATTRIBUTE_UNIT_SECTORS);
1274 max_sectors = d->size / 512ULL;
1276 if (max_sectors > 0 && a->pretty_value > max_sectors) {
1277 a->pretty_value = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
1278 d->attribute_verification_bad = TRUE;
1280 if ((!strcmp(a->name, "reallocated-sector-count") ||
1281 !strcmp(a->name, "current-pending-sector")) &&
1282 a->pretty_value > 0)
1287 /* This data is stolen from smartmontools */
1289 /* %STRINGPOOLSTART% */
1290 static const SkSmartAttributeInfo const attribute_info[256] = {
1291 [1] = { "raw-read-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1292 [2] = { "throughput-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1293 [3] = { "spin-up-time", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_short_time },
1294 [4] = { "start-stop-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1295 [5] = { "reallocated-sector-count", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1296 [6] = { "read-channel-margin", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1297 [7] = { "seek-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1298 [8] = { "seek-time-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1299 [9] = { "power-on-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1300 [10] = { "spin-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1301 [11] = { "calibration-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1302 [12] = { "power-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1303 [13] = { "read-soft-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1304 [170] = { "available-reserved-space", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL },
1305 [171] = { "program-fail-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1306 [172] = { "erase-fail-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1307 [184] = { "end-to-end-error", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1308 [187] = { "reported-uncorrect", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1309 [188] = { "command-timeout", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1310 [189] = { "high-fly-writes", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1311 [190] = { "airflow-temperature-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1312 [191] = { "g-sense-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1313 [192] = { "power-off-retract-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1314 [193] = { "load-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1315 [194] = { "temperature-celsius-2", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1316 [195] = { "hardware-ecc-recovered", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1317 [196] = { "reallocated-event-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1318 [197] = { "current-pending-sector", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1319 [198] = { "offline-uncorrectable", SK_SMART_ATTRIBUTE_UNIT_SECTORS, verify_sectors },
1320 [199] = { "udma-crc-error-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1321 [200] = { "multi-zone-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1322 [201] = { "soft-read-error-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1323 [202] = { "ta-increase-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1324 [203] = { "run-out-cancel", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1325 [204] = { "shock-count-write-open", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1326 [205] = { "shock-rate-write-open", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1327 [206] = { "flying-height", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1328 [207] = { "spin-high-current", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1329 [208] = { "spin-buzz", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1330 [209] = { "offline-seek-performance", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1331 [220] = { "disk-shift", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1332 [221] = { "g-sense-error-rate-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1333 [222] = { "loaded-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1334 [223] = { "load-retry-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1335 [224] = { "load-friction", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1336 [225] = { "load-cycle-count-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1337 [226] = { "load-in-time", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_short_time },
1338 [227] = { "torq-amp-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1339 [228] = { "power-off-retract-count-2", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL },
1340 [230] = { "head-amplitude", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1341 [231] = { "temperature-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature },
1343 /* http://www.adtron.com/pdf/SMART_for_XceedLite_SATA_RevA.pdf */
1344 [232] = { "endurance-remaining", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL },
1345 [233] = { "power-on-seconds-2", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1346 [234] = { "uncorrectable-ecc-count", SK_SMART_ATTRIBUTE_UNIT_SECTORS, NULL },
1347 [235] = { "good-block-rate", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL },
1349 [240] = { "head-flying-hours", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time },
1350 [241] = { "total-lbas-written", SK_SMART_ATTRIBUTE_UNIT_MB, NULL },
1351 [242] = { "total-lbas-read", SK_SMART_ATTRIBUTE_UNIT_MB, NULL },
1352 [250] = { "read-error-retry-rate", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL }
1354 /* %STRINGPOOLSTOP% */
1356 typedef enum SkSmartQuirk {
1357 SK_SMART_QUIRK_9_POWERONMINUTES = 0x000001,
1358 SK_SMART_QUIRK_9_POWERONSECONDS = 0x000002,
1359 SK_SMART_QUIRK_9_POWERONHALFMINUTES = 0x000004,
1360 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT = 0x000008,
1361 SK_SMART_QUIRK_193_LOADUNLOAD = 0x000010,
1362 SK_SMART_QUIRK_194_10XCELSIUS = 0x000020,
1363 SK_SMART_QUIRK_194_UNKNOWN = 0x000040,
1364 SK_SMART_QUIRK_200_WRITEERRORCOUNT = 0x000080,
1365 SK_SMART_QUIRK_201_DETECTEDTACOUNT = 0x000100,
1366 SK_SMART_QUIRK_5_UNKNOWN = 0x000200,
1367 SK_SMART_QUIRK_9_UNKNOWN = 0x000400,
1368 SK_SMART_QUIRK_197_UNKNOWN = 0x000800,
1369 SK_SMART_QUIRK_198_UNKNOWN = 0x001000,
1370 SK_SMART_QUIRK_190_UNKNOWN = 0x002000,
1371 SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE = 0x004000,
1372 SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR = 0x008000,
1373 SK_SMART_QUIRK_225_TOTALLBASWRITTEN = 0x010000,
1374 SK_SMART_QUIRK_4_UNUSED = 0x020000,
1375 SK_SMART_QUIRK_226_TIMEWORKLOADMEDIAWEAR = 0x040000,
1376 SK_SMART_QUIRK_227_TIMEWORKLOADHOSTREADS = 0x080000,
1377 SK_SMART_QUIRK_228_WORKLOADTIMER = 0x100000,
1378 SK_SMART_QUIRK_3_UNUSED = 0x200000
1381 /* %STRINGPOOLSTART% */
1382 static const char *quirk_name[] = {
1385 "9_POWERONHALFMINUTES",
1386 "192_EMERGENCYRETRACTCYCLECT",
1390 "200_WRITEERRORCOUNT",
1391 "201_DETECTEDTACOUNT",
1397 "232_AVAILABLERESERVEDSPACE",
1400 /* %STRINGPOOLSTOP% */
1402 typedef struct SkSmartQuirkDatabase {
1404 const char *firmware;
1406 } SkSmartQuirkDatabase;
1408 static const SkSmartQuirkDatabase quirk_database[] = { {
1412 "FUJITSU MHY2120BH|"
1415 "^0085000B$", /* seems to be specific to this firmware */
1416 SK_SMART_QUIRK_9_POWERONMINUTES|
1417 SK_SMART_QUIRK_197_UNKNOWN|
1418 SK_SMART_QUIRK_198_UNKNOWN
1420 "^FUJITSU MHR2040AT$",
1422 SK_SMART_QUIRK_9_POWERONSECONDS|
1423 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT|
1424 SK_SMART_QUIRK_200_WRITEERRORCOUNT
1426 "^FUJITSU MHS20[6432]0AT( .)?$",
1428 SK_SMART_QUIRK_9_POWERONSECONDS|
1429 SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT|
1430 SK_SMART_QUIRK_200_WRITEERRORCOUNT|
1431 SK_SMART_QUIRK_201_DETECTEDTACOUNT
1435 "FUJITSU MHG2...ATU?.*|"
1436 "FUJITSU MHH2...ATU?.*|"
1437 "FUJITSU MHJ2...ATU?.*|"
1438 "FUJITSU MHK2...ATU?.*|"
1439 "FUJITSU MHL2300AT|"
1440 "FUJITSU MHM2(20|15|10|06)0AT|"
1441 "FUJITSU MHN2...AT|"
1442 "FUJITSU MHR2020AT|"
1443 "FUJITSU MHT2...(AH|AS|AT|BH)U?.*|"
1444 "FUJITSU MHU2...ATU?.*|"
1445 "FUJITSU MHV2...(AH|AS|AT|BH|BS|BT).*|"
1446 "FUJITSU MP[A-G]3...A[HTEV]U?.*"
1449 SK_SMART_QUIRK_9_POWERONSECONDS
1455 "SAMSUNG SP(0451|08[0124]2|12[0145]3|16[0145]4)[CN]"
1458 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1465 SK_SMART_QUIRK_9_POWERONHALFMINUTES|
1466 SK_SMART_QUIRK_194_10XCELSIUS
1468 "^SAMSUNG SP40A2H$",
1470 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1472 "^SAMSUNG SP80A4H$",
1474 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1476 "^SAMSUNG SP8004H$",
1478 SK_SMART_QUIRK_9_POWERONHALFMINUTES
1483 "Maxtor 2B0(0[468]|1[05]|20)H1|"
1484 "Maxtor 4G(120J6|160J[68])|"
1485 "Maxtor 4D0(20H1|40H2|60H3|80H4)"
1488 SK_SMART_QUIRK_9_POWERONMINUTES|
1489 SK_SMART_QUIRK_194_UNKNOWN
1492 "Maxtor 2F0[234]0[JL]0|"
1493 "Maxtor 8(1280A2|2160A4|2560A4|3840A6|4000A6|5120A8)|"
1494 "Maxtor 8(2160D2|3228D3|3240D3|4320D4|6480D6|8400D8|8455D8)|"
1495 "Maxtor 9(0510D4|0576D4|0648D5|0720D5|0840D6|0845D6|0864D6|1008D7|1080D8|1152D8)|"
1496 "Maxtor 9(1(360|350|202)D8|1190D7|10[12]0D6|0840D5|06[48]0D4|0510D3|1(350|202)E8|1010E6|0840E5|0640E4)|"
1497 "Maxtor 9(0512D2|0680D3|0750D3|0913D4|1024D4|1360D6|1536D6|1792D7|2048D8)|"
1498 "Maxtor 9(2732U8|2390U7|204[09]U6|1707U5|1366U4|1024U3|0845U3|0683U2)|"
1499 "Maxtor 4(R0[68]0[JL]0|R1[26]0L0|A160J0|R120L4)|"
1500 "Maxtor (91728D8|91512D7|91303D6|91080D5|90845D4|90645D3|90648D[34]|90432D2)|"
1501 "Maxtor 9(0431U1|0641U2|0871U2|1301U3|1741U4)|"
1502 "Maxtor (94091U8|93071U6|92561U5|92041U4|91731U4|91531U3|91361U3|91021U2|90841U2|90651U2)|"
1503 "Maxtor (33073U4|32049U3|31536U2|30768U1|33073H4|32305H3|31536H2|30768H1)|"
1504 "Maxtor (93652U8|92739U6|91826U4|91369U3|90913U2|90845U2|90435U1)|"
1505 "Maxtor 9(0684U2|1024U2|1362U3|1536U3|2049U4|2562U5|3073U6|4098U8)|"
1506 "Maxtor (54098[UH]8|53073[UH]6|52732[UH]6|52049[UH]4|51536[UH]3|51369[UH]3|51024[UH]2)|"
1507 "Maxtor 3(1024H1|1535H2|2049H2|3073H3|4098H4)( B)?|"
1508 "Maxtor 5(4610H6|4098H6|3073H4|2049H3|1536H2|1369H2|1023H2)|"
1509 "Maxtor 9(1023U2|1536U2|2049U3|2305U3|3073U4|4610U6|6147U8)|"
1510 "Maxtor 9(1023H2|1536H2|2049H3|2305H3|3073H4|4098H6|4610H6|6147H8)|"
1511 "Maxtor 5T0(60H6|40H4|30H3|20H2|10H1)|"
1512 "Maxtor (98196H8|96147H6)|"
1513 "Maxtor 4W(100H6|080H6|060H4|040H3|030H2)|"
1514 "Maxtor 6(E0[234]|K04)0L0|"
1515 "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|"
1516 "Maxtor 6Y((060|080|120|160)L0|(060|080|120|160|200|250)P0|(060|080|120|160|200|250)M0)|"
1517 "Maxtor 7Y250[PM]0|"
1518 "Maxtor [45]A(25|30|32)0[JN]0|"
1519 "Maxtor 7L(25|30)0[SR]0"
1522 SK_SMART_QUIRK_9_POWERONMINUTES
1528 "HITACHI_DK14FA-20B|"
1529 "HITACHI_DK23..-..B?|"
1530 "HITACHI_DK23FA-20J|HTA422020F9AT[JN]0|"
1531 "HE[JN]4230[23]0F9AT00|"
1532 "HTC4260[23]0G5CE00|HTC4260[56]0G8CE00"
1535 SK_SMART_QUIRK_9_POWERONMINUTES|
1536 SK_SMART_QUIRK_193_LOADUNLOAD
1538 "^HTS541010G9SA00$",
1540 SK_SMART_QUIRK_5_UNKNOWN
1543 /*** Apple SSD (?) http://bugs.freedesktop.org/show_bug.cgi?id=24700
1544 https://bugs.launchpad.net/ubuntu/+source/gnome-disk-utility/+bug/438136/comments/4 */
1547 SK_SMART_QUIRK_5_UNKNOWN|
1548 SK_SMART_QUIRK_190_UNKNOWN
1552 "^INTEL SSDSA2CW[0-9]{3}G3$",
1554 SK_SMART_QUIRK_3_UNUSED|
1555 SK_SMART_QUIRK_4_UNUSED|
1556 SK_SMART_QUIRK_225_TOTALLBASWRITTEN|
1557 SK_SMART_QUIRK_226_TIMEWORKLOADMEDIAWEAR|
1558 SK_SMART_QUIRK_227_TIMEWORKLOADHOSTREADS|
1559 SK_SMART_QUIRK_228_WORKLOADTIMER|
1560 SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE|
1561 SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR
1569 static int match(const char*regex, const char *s, SkBool *result) {
1575 if (regcomp(&re, regex, REG_EXTENDED|REG_NOSUB) != 0) {
1580 if ((k = regexec(&re, s, 0, NULL, 0)) != 0) {
1582 if (k != REG_NOMATCH) {
1596 static int lookup_quirks(const char *model, const char *firmware, SkSmartQuirk *quirk) {
1598 const SkSmartQuirkDatabase *db;
1602 for (db = quirk_database; db->model || db->firmware; db++) {
1605 SkBool matching = FALSE;
1607 if ((k = match(db->model, model, &matching)) < 0)
1615 SkBool matching = FALSE;
1617 if ((k = match(db->firmware, firmware, &matching)) < 0)
1631 static const SkSmartAttributeInfo *lookup_attribute(SkDisk *d, uint8_t id) {
1632 const SkIdentifyParsedData *ipd;
1633 SkSmartQuirk quirk = 0;
1635 /* These are the complex ones */
1636 if (sk_disk_identify_parse(d, &ipd) < 0)
1639 if (lookup_quirks(ipd->model, ipd->firmware, &quirk) < 0)
1645 /* %STRINGPOOLSTART% */
1646 if (quirk & SK_SMART_QUIRK_3_UNUSED) {
1647 static const SkSmartAttributeInfo a = {
1648 "spin-up-time", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL
1652 /* %STRINGPOOLSTOP% */
1657 /* %STRINGPOOLSTART% */
1658 if (quirk & SK_SMART_QUIRK_4_UNUSED) {
1659 static const SkSmartAttributeInfo a = {
1660 "start-stop-count", SK_SMART_ATTRIBUTE_UNIT_UNKNOWN, NULL
1664 /* %STRINGPOOLSTOP% */
1669 if (quirk & SK_SMART_QUIRK_5_UNKNOWN)
1675 /* %STRINGPOOLSTART% */
1676 if (quirk & SK_SMART_QUIRK_9_POWERONMINUTES) {
1677 static const SkSmartAttributeInfo a = {
1678 "power-on-minutes", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1682 } else if (quirk & SK_SMART_QUIRK_9_POWERONSECONDS) {
1683 static const SkSmartAttributeInfo a = {
1684 "power-on-seconds", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1688 } else if (quirk & SK_SMART_QUIRK_9_POWERONHALFMINUTES) {
1689 static const SkSmartAttributeInfo a = {
1690 "power-on-half-minutes", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, verify_long_time
1693 } else if (quirk & SK_SMART_QUIRK_9_UNKNOWN)
1695 /* %STRINGPOOLSTOP% */
1700 if (quirk & SK_SMART_QUIRK_190_UNKNOWN)
1706 /* %STRINGPOOLSTART% */
1707 if (quirk & SK_SMART_QUIRK_192_EMERGENCYRETRACTCYCLECT) {
1708 static const SkSmartAttributeInfo a = {
1709 "emergency-retract-cycle-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1713 /* %STRINGPOOLSTOP% */
1718 /* %STRINGPOOLSTART% */
1719 if (quirk & SK_SMART_QUIRK_194_10XCELSIUS) {
1720 static const SkSmartAttributeInfo a = {
1721 "temperature-centi-celsius", SK_SMART_ATTRIBUTE_UNIT_MKELVIN, verify_temperature
1724 } else if (quirk & SK_SMART_QUIRK_194_UNKNOWN)
1726 /* %STRINGPOOLSTOP% */
1731 if (quirk & SK_SMART_QUIRK_197_UNKNOWN)
1737 if (quirk & SK_SMART_QUIRK_198_UNKNOWN)
1743 /* %STRINGPOOLSTART% */
1744 if (quirk & SK_SMART_QUIRK_200_WRITEERRORCOUNT) {
1745 static const SkSmartAttributeInfo a = {
1746 "write-error-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1750 /* %STRINGPOOLSTOP% */
1755 /* %STRINGPOOLSTART% */
1756 if (quirk & SK_SMART_QUIRK_201_DETECTEDTACOUNT) {
1757 static const SkSmartAttributeInfo a = {
1758 "detected-ta-count", SK_SMART_ATTRIBUTE_UNIT_NONE, NULL
1762 /* %STRINGPOOLSTOP% */
1767 /* %STRINGPOOLSTART% */
1768 if (quirk & SK_SMART_QUIRK_225_TOTALLBASWRITTEN) {
1769 static const SkSmartAttributeInfo a = {
1770 "total-lbas-written", SK_SMART_ATTRIBUTE_UNIT_MB, NULL
1774 /* %STRINGPOOLSTOP% */
1779 /* %STRINGPOOLSTART% */
1780 if (quirk & SK_SMART_QUIRK_226_TIMEWORKLOADMEDIAWEAR) {
1781 static const SkSmartAttributeInfo a = {
1782 "timed-workload-media-wear", SK_SMART_ATTRIBUTE_UNIT_SMALL_PERCENT, NULL
1786 /* %STRINGPOOLSTOP% */
1791 /* %STRINGPOOLSTART% */
1792 if (quirk & SK_SMART_QUIRK_227_TIMEWORKLOADHOSTREADS) {
1793 static const SkSmartAttributeInfo a = {
1794 "timed-workload-host-reads", SK_SMART_ATTRIBUTE_UNIT_SMALL_PERCENT, NULL
1798 /* %STRINGPOOLSTOP% */
1803 /* %STRINGPOOLSTART% */
1804 if (quirk & SK_SMART_QUIRK_228_WORKLOADTIMER) {
1805 static const SkSmartAttributeInfo a = {
1806 "workload-timer", SK_SMART_ATTRIBUTE_UNIT_MSECONDS, NULL
1810 /* %STRINGPOOLSTOP% */
1815 /* %STRINGPOOLSTART% */
1816 if (quirk & SK_SMART_QUIRK_232_AVAILABLERESERVEDSPACE) {
1817 static const SkSmartAttributeInfo a = {
1818 "available-reserved-space", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL
1822 /* %STRINGPOOLSTOP% */
1826 /* %STRINGPOOLSTART% */
1827 if (quirk & SK_SMART_QUIRK_233_MEDIAWEAROUTINDICATOR) {
1828 static const SkSmartAttributeInfo a = {
1829 "media-wearout-indicator", SK_SMART_ATTRIBUTE_UNIT_PERCENT, NULL
1833 /* %STRINGPOOLSTOP% */
1839 /* These are the simple cases */
1840 if (attribute_info[id].name)
1841 return &attribute_info[id];
1846 int sk_disk_smart_parse(SkDisk *d, const SkSmartParsedData **spd) {
1848 if (!d->smart_data_valid) {
1853 switch (d->smart_data[362]) {
1856 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_NEVER;
1861 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS;
1865 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS;
1870 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED;
1875 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_ABORTED;
1880 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_FATAL;
1884 d->smart_parsed_data.offline_data_collection_status = SK_SMART_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN;
1888 d->smart_parsed_data.self_test_execution_percent_remaining = 10*(d->smart_data[363] & 0xF);
1889 d->smart_parsed_data.self_test_execution_status = (d->smart_data[363] >> 4) & 0xF;
1891 d->smart_parsed_data.total_offline_data_collection_seconds = (uint16_t) d->smart_data[364] | ((uint16_t) d->smart_data[365] << 8);
1893 d->smart_parsed_data.conveyance_test_available = disk_smart_is_conveyance_test_available(d);
1894 d->smart_parsed_data.short_and_extended_test_available = disk_smart_is_short_and_extended_test_available(d);
1895 d->smart_parsed_data.start_test_available = disk_smart_is_start_test_available(d);
1896 d->smart_parsed_data.abort_test_available = disk_smart_is_abort_test_available(d);
1898 d->smart_parsed_data.short_test_polling_minutes = d->smart_data[372];
1899 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]);
1900 d->smart_parsed_data.conveyance_test_polling_minutes = d->smart_data[374];
1902 *spd = &d->smart_parsed_data;
1907 static void find_threshold(SkDisk *d, SkSmartAttributeParsedData *a) {
1911 if (!d->smart_thresholds_valid)
1914 for (n = 0, p = d->smart_thresholds+2; n < 30; n++, p+=12)
1921 a->threshold = p[1];
1922 a->threshold_valid = p[1] != 0xFE;
1924 a->good_now_valid = FALSE;
1926 a->good_in_the_past_valid = FALSE;
1927 a->good_in_the_past = TRUE;
1929 /* Always-Fail and Always-Passing thresholds are not relevant
1930 * for our assessment. */
1931 if (p[1] >= 1 && p[1] <= 0xFD) {
1933 if (a->worst_value_valid) {
1934 a->good_in_the_past = a->good_in_the_past && (a->worst_value > a->threshold);
1935 a->good_in_the_past_valid = TRUE;
1938 if (a->current_value_valid) {
1939 a->good_now = a->good_now && (a->current_value > a->threshold);
1940 a->good_now_valid = TRUE;
1945 (a->good_now_valid && !a->good_now) ||
1946 (a->good_in_the_past_valid && !a->good_in_the_past);
1951 a->threshold_valid = FALSE;
1952 a->good_now_valid = FALSE;
1953 a->good_in_the_past_valid = FALSE;
1957 int sk_disk_smart_parse_attributes(SkDisk *d, SkSmartAttributeParseCallback cb, void* userdata) {
1961 if (!d->smart_data_valid) {
1966 for (n = 0, p = d->smart_data + 2; n < 30; n++, p+=12) {
1967 SkSmartAttributeParsedData a;
1968 const SkSmartAttributeInfo *i;
1974 memset(&a, 0, sizeof(a));
1976 a.current_value = p[3];
1977 a.current_value_valid = p[3] >= 1 && p[3] <= 0xFD;
1978 a.worst_value = p[4];
1979 a.worst_value_valid = p[4] >= 1 && p[4] <= 0xFD;
1981 a.flags = ((uint16_t) p[2] << 8) | p[1];
1982 a.prefailure = !!(p[1] & 1);
1983 a.online = !!(p[1] & 2);
1985 memcpy(a.raw, p+5, 6);
1987 if ((i = lookup_attribute(d, p[0]))) {
1988 a.name = _P(i->name);
1989 a.pretty_unit = i->unit;
1991 if (asprintf(&an, "attribute-%u", a.id) < 0) {
1997 a.pretty_unit = SK_SMART_ATTRIBUTE_UNIT_UNKNOWN;
2002 find_threshold(d, &a);
2007 cb(d, &a, userdata);
2014 static const char *yes_no(SkBool b) {
2015 return b ? "yes" : "no";
2018 const char* sk_smart_attribute_unit_to_string(SkSmartAttributeUnit unit) {
2020 /* %STRINGPOOLSTART% */
2021 const char * const map[] = {
2022 [SK_SMART_ATTRIBUTE_UNIT_UNKNOWN] = NULL,
2023 [SK_SMART_ATTRIBUTE_UNIT_NONE] = "",
2024 [SK_SMART_ATTRIBUTE_UNIT_MSECONDS] = "ms",
2025 [SK_SMART_ATTRIBUTE_UNIT_SECTORS] = "sectors",
2026 [SK_SMART_ATTRIBUTE_UNIT_MKELVIN] = "mK",
2027 [SK_SMART_ATTRIBUTE_UNIT_PERCENT] = "%",
2028 [SK_SMART_ATTRIBUTE_UNIT_SMALL_PERCENT] = "%",
2029 [SK_SMART_ATTRIBUTE_UNIT_MB] = "MB"
2031 /* %STRINGPOOLSTOP% */
2033 if (unit >= _SK_SMART_ATTRIBUTE_UNIT_MAX)
2036 return _P(map[unit]);
2039 struct attr_helper {
2044 static void temperature_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2046 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_MKELVIN)
2049 if (!strcmp(a->name, "temperature-centi-celsius") ||
2050 !strcmp(a->name, "temperature-celsius") ||
2051 !strcmp(a->name, "temperature-celsius-2") ||
2052 !strcmp(a->name, "airflow-temperature-celsius")) {
2054 if (!ah->found || a->pretty_value > *ah->value)
2055 *ah->value = a->pretty_value;
2061 int sk_disk_smart_get_temperature(SkDisk *d, uint64_t *kelvin) {
2062 struct attr_helper ah;
2070 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) temperature_cb, &ah) < 0)
2081 static void power_on_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2083 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_MSECONDS)
2086 if (!strcmp(a->name, "power-on-minutes") ||
2087 !strcmp(a->name, "power-on-seconds") ||
2088 !strcmp(a->name, "power-on-seconds-2") ||
2089 !strcmp(a->name, "power-on-half-minutes") ||
2090 !strcmp(a->name, "power-on-hours")) {
2092 if (!ah->found || a->pretty_value > *ah->value)
2093 *ah->value = a->pretty_value;
2099 int sk_disk_smart_get_power_on(SkDisk *d, uint64_t *mseconds) {
2100 struct attr_helper ah;
2106 ah.value = mseconds;
2108 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) power_on_cb, &ah) < 0)
2119 static void power_cycle_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2121 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_NONE)
2124 if (!strcmp(a->name, "power-cycle-count")) {
2126 if (!ah->found || a->pretty_value > *ah->value)
2127 *ah->value = a->pretty_value;
2133 int sk_disk_smart_get_power_cycle(SkDisk *d, uint64_t *count) {
2134 struct attr_helper ah;
2142 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) power_cycle_cb, &ah) < 0)
2153 static void reallocated_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2155 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_SECTORS)
2158 if (!strcmp(a->name, "reallocated-sector-count")) {
2160 if (!ah->found || a->pretty_value > *ah->value)
2161 *ah->value = a->pretty_value;
2167 static void pending_cb(SkDisk *d, const SkSmartAttributeParsedData *a, struct attr_helper *ah) {
2169 if (a->pretty_unit != SK_SMART_ATTRIBUTE_UNIT_SECTORS)
2172 if (!strcmp(a->name, "current-pending-sector")) {
2174 if (!ah->found || a->pretty_value > *ah->value)
2175 *ah->value = a->pretty_value;
2181 int sk_disk_smart_get_bad(SkDisk *d, uint64_t *sectors) {
2182 struct attr_helper ah1, ah2;
2183 uint64_t sectors1, sectors2;
2189 ah1.value = §ors1;
2191 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) reallocated_cb, &ah1) < 0)
2195 ah2.value = §ors2;
2197 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) pending_cb, &ah2) < 0)
2200 if (!ah1.found && !ah2.found) {
2205 if (ah1.found && ah2.found)
2206 *sectors = sectors1 + sectors2;
2208 *sectors = sectors1;
2210 *sectors = sectors2;
2215 const char* sk_smart_overall_to_string(SkSmartOverall overall) {
2217 /* %STRINGPOOLSTART% */
2218 const char * const map[] = {
2219 [SK_SMART_OVERALL_GOOD] = "GOOD",
2220 [SK_SMART_OVERALL_BAD_ATTRIBUTE_IN_THE_PAST] = "BAD_ATTRIBUTE_IN_THE_PAST",
2221 [SK_SMART_OVERALL_BAD_SECTOR] = "BAD_SECTOR",
2222 [SK_SMART_OVERALL_BAD_ATTRIBUTE_NOW] = "BAD_ATTRIBUTE_NOW",
2223 [SK_SMART_OVERALL_BAD_SECTOR_MANY] = "BAD_SECTOR_MANY",
2224 [SK_SMART_OVERALL_BAD_STATUS] = "BAD_STATUS",
2226 /* %STRINGPOOLSTOP% */
2228 if (overall >= _SK_SMART_OVERALL_MAX)
2231 return _P(map[overall]);
2234 static void bad_attribute_now_cb(SkDisk *d, const SkSmartAttributeParsedData *a, SkBool *good) {
2235 if (a->prefailure && a->good_now_valid && !a->good_now)
2239 static void bad_attribute_in_the_past_cb(SkDisk *d, const SkSmartAttributeParsedData *a, SkBool *good) {
2240 if (a->prefailure && a->good_in_the_past_valid && !a->good_in_the_past)
2244 static uint64_t u64log2(uint64_t n) {
2259 int sk_disk_smart_get_overall(SkDisk *d, SkSmartOverall *overall) {
2261 uint64_t sectors, sector_threshold;
2266 /* First, check SMART self-assesment */
2267 if (sk_disk_smart_status(d, &good) < 0)
2271 *overall = SK_SMART_OVERALL_BAD_STATUS;
2275 /* Second, check if the number of bad sectors is greater than
2276 * a certain threshold */
2277 if (sk_disk_smart_get_bad(d, §ors) < 0) {
2278 if (errno != ENOENT)
2283 /* We use log2(n_sectors) as a threshold here. We had to pick
2284 * something, and this makes a bit of sense, or doesn't it? */
2285 sector_threshold = u64log2(d->size/512);
2287 if (sectors >= sector_threshold) {
2288 *overall = SK_SMART_OVERALL_BAD_SECTOR_MANY;
2293 /* Third, check if any of the SMART attributes is bad */
2295 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) bad_attribute_now_cb, &good) < 0)
2299 *overall = SK_SMART_OVERALL_BAD_ATTRIBUTE_NOW;
2303 /* Fourth, check if there are any bad sectors at all */
2305 *overall = SK_SMART_OVERALL_BAD_SECTOR;
2309 /* Fifth, check if any of the SMART attributes ever was bad */
2311 if (sk_disk_smart_parse_attributes(d, (SkSmartAttributeParseCallback) bad_attribute_in_the_past_cb, &good) < 0)
2315 *overall = SK_SMART_OVERALL_BAD_ATTRIBUTE_IN_THE_PAST;
2319 /* Sixth, there's really nothing to complain about, so give it a pass */
2320 *overall = SK_SMART_OVERALL_GOOD;
2324 static char* print_name(char *s, size_t len, uint8_t id, const char *k) {
2329 snprintf(s, len, "%u", id);
2336 static char *print_value(char *s, size_t len, uint64_t pretty_value, SkSmartAttributeUnit pretty_unit) {
2338 switch (pretty_unit) {
2339 case SK_SMART_ATTRIBUTE_UNIT_MSECONDS:
2341 if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU*365LLU)
2342 snprintf(s, len, "%0.1f years", ((double) pretty_value)/(1000.0*60*60*24*365));
2343 else if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU*30LLU)
2344 snprintf(s, len, "%0.1f months", ((double) pretty_value)/(1000.0*60*60*24*30));
2345 else if (pretty_value >= 1000LLU*60LLU*60LLU*24LLU)
2346 snprintf(s, len, "%0.1f days", ((double) pretty_value)/(1000.0*60*60*24));
2347 else if (pretty_value >= 1000LLU*60LLU*60LLU)
2348 snprintf(s, len, "%0.1f h", ((double) pretty_value)/(1000.0*60*60));
2349 else if (pretty_value >= 1000LLU*60LLU)
2350 snprintf(s, len, "%0.1f min", ((double) pretty_value)/(1000.0*60));
2351 else if (pretty_value >= 1000LLU)
2352 snprintf(s, len, "%0.1f s", ((double) pretty_value)/(1000.0));
2354 snprintf(s, len, "%llu ms", (unsigned long long) pretty_value);
2358 case SK_SMART_ATTRIBUTE_UNIT_MKELVIN:
2359 snprintf(s, len, "%0.1f C", ((double) pretty_value - 273150) / 1000);
2362 case SK_SMART_ATTRIBUTE_UNIT_SECTORS:
2363 snprintf(s, len, "%llu sectors", (unsigned long long) pretty_value);
2366 case SK_SMART_ATTRIBUTE_UNIT_PERCENT:
2367 snprintf(s, len, "%llu%%", (unsigned long long) pretty_value);
2370 case SK_SMART_ATTRIBUTE_UNIT_SMALL_PERCENT:
2371 snprintf(s, len, "%0.3f%%", (double) pretty_value);
2374 case SK_SMART_ATTRIBUTE_UNIT_MB:
2375 if (pretty_value >= 1000000LLU)
2376 snprintf(s, len, "%0.3f TB", (double) pretty_value / 1000000LLU);
2377 else if (pretty_value >= 1000LLU)
2378 snprintf(s, len, "%0.3f GB", (double) pretty_value / 1000LLU);
2380 snprintf(s, len, "%llu MB", (unsigned long long) pretty_value);
2383 case SK_SMART_ATTRIBUTE_UNIT_NONE:
2384 snprintf(s, len, "%llu", (unsigned long long) pretty_value);
2387 case SK_SMART_ATTRIBUTE_UNIT_UNKNOWN:
2388 snprintf(s, len, "n/a");
2391 case _SK_SMART_ATTRIBUTE_UNIT_MAX:
2400 #define HIGHLIGHT "\x1B[1m"
2401 #define ENDHIGHLIGHT "\x1B[0m"
2403 static void disk_dump_attributes(SkDisk *d, const SkSmartAttributeParsedData *a, void* userdata) {
2406 char tt[32], tw[32], tc[32];
2409 snprintf(tt, sizeof(tt), "%3u", a->threshold);
2410 tt[sizeof(tt)-1] = 0;
2411 snprintf(tw, sizeof(tw), "%3u", a->worst_value);
2412 tw[sizeof(tw)-1] = 0;
2413 snprintf(tc, sizeof(tc), "%3u", a->current_value);
2414 tc[sizeof(tc)-1] = 0;
2416 highlight = a->warn && isatty(1);
2419 fprintf(stderr, HIGHLIGHT);
2421 printf("%3u %-27s %-3s %-3s %-3s %-11s 0x%02x%02x%02x%02x%02x%02x %-7s %-7s %-4s %-4s\n",
2423 print_name(name, sizeof(name), a->id, a->name),
2424 a->current_value_valid ? tc : "n/a",
2425 a->worst_value_valid ? tw : "n/a",
2426 a->threshold_valid ? tt : "n/a",
2427 print_value(pretty, sizeof(pretty), a->pretty_value, a->pretty_unit),
2428 a->raw[0], a->raw[1], a->raw[2], a->raw[3], a->raw[4], a->raw[5],
2429 a->prefailure ? "prefail" : "old-age",
2430 a->online ? "online" : "offline",
2431 a->good_now_valid ? yes_no(a->good_now) : "n/a",
2432 a->good_in_the_past_valid ? yes_no(a->good_in_the_past) : "n/a");
2435 fprintf(stderr, ENDHIGHLIGHT);
2438 int sk_disk_dump(SkDisk *d) {
2440 SkBool awake = FALSE;
2445 printf("Device: %s%s%s\n"
2447 d->name ? disk_type_to_prefix_string(d->type) : "",
2449 d->name ? d->name : "n/a",
2450 disk_type_to_human_string(d->type));
2452 ret = sk_disk_get_size(d, &size);
2454 printf("Size: %lu MiB\n", (unsigned long) (d->size/1024/1024));
2456 printf("Size: %s\n", strerror(errno));
2458 if (d->identify_valid) {
2459 const SkIdentifyParsedData *ipd;
2460 SkSmartQuirk quirk = 0;
2463 if ((ret = sk_disk_identify_parse(d, &ipd)) < 0)
2466 printf("Model: [%s]\n"
2469 "SMART Available: %s\n",
2473 yes_no(disk_smart_is_available(d)));
2475 if ((ret = lookup_quirks(ipd->model, ipd->firmware, &quirk)))
2480 for (i = 0; quirk_name[i]; i++)
2482 printf(" %s", _P(quirk_name[i]));
2487 ret = sk_disk_check_sleep_mode(d, &awake);
2488 printf("Awake: %s\n",
2489 ret >= 0 ? yes_no(awake) : strerror(errno));
2491 if (disk_smart_is_available(d)) {
2492 SkSmartOverall overall;
2493 const SkSmartParsedData *spd;
2496 uint64_t value, power_on;
2498 ret = sk_disk_smart_status(d, &good);
2499 printf("%sSMART Disk Health Good: %s%s\n",
2500 ret >= 0 && !good ? HIGHLIGHT : "",
2501 ret >= 0 ? yes_no(good) : strerror(errno),
2502 ret >= 0 && !good ? ENDHIGHLIGHT : "");
2503 if ((ret = sk_disk_smart_read_data(d)) < 0)
2506 if ((ret = sk_disk_smart_parse(d, &spd)) < 0)
2509 printf("Off-line Data Collection Status: [%s]\n"
2510 "Total Time To Complete Off-Line Data Collection: %u s\n"
2511 "Self-Test Execution Status: [%s]\n"
2512 "Percent Self-Test Remaining: %u%%\n"
2513 "Conveyance Self-Test Available: %s\n"
2514 "Short/Extended Self-Test Available: %s\n"
2515 "Start Self-Test Available: %s\n"
2516 "Abort Self-Test Available: %s\n"
2517 "Short Self-Test Polling Time: %u min\n"
2518 "Extended Self-Test Polling Time: %u min\n"
2519 "Conveyance Self-Test Polling Time: %u min\n",
2520 sk_smart_offline_data_collection_status_to_string(spd->offline_data_collection_status),
2521 spd->total_offline_data_collection_seconds,
2522 sk_smart_self_test_execution_status_to_string(spd->self_test_execution_status),
2523 spd->self_test_execution_percent_remaining,
2524 yes_no(spd->conveyance_test_available),
2525 yes_no(spd->short_and_extended_test_available),
2526 yes_no(spd->start_test_available),
2527 yes_no(spd->abort_test_available),
2528 spd->short_test_polling_minutes,
2529 spd->extended_test_polling_minutes,
2530 spd->conveyance_test_polling_minutes);
2532 if (sk_disk_smart_get_bad(d, &value) < 0)
2533 printf("Bad Sectors: %s\n", strerror(errno));
2535 printf("%sBad Sectors: %s%s\n",
2536 value > 0 ? HIGHLIGHT : "",
2537 print_value(pretty, sizeof(pretty), value, SK_SMART_ATTRIBUTE_UNIT_SECTORS),
2538 value > 0 ? ENDHIGHLIGHT : "");
2540 if (sk_disk_smart_get_power_on(d, &power_on) < 0) {
2541 printf("Powered On: %s\n", strerror(errno));
2544 printf("Powered On: %s\n", print_value(pretty, sizeof(pretty), power_on, SK_SMART_ATTRIBUTE_UNIT_MSECONDS));
2546 if (sk_disk_smart_get_power_cycle(d, &value) < 0)
2547 printf("Power Cycles: %s\n", strerror(errno));
2549 printf("Power Cycles: %llu\n", (unsigned long long) value);
2551 if (value > 0 && power_on > 0)
2552 printf("Average Powered On Per Power Cycle: %s\n", print_value(pretty, sizeof(pretty), power_on/value, SK_SMART_ATTRIBUTE_UNIT_MSECONDS));
2555 if (sk_disk_smart_get_temperature(d, &value) < 0)
2556 printf("Temperature: %s\n", strerror(errno));
2558 printf("Temperature: %s\n", print_value(pretty, sizeof(pretty), value, SK_SMART_ATTRIBUTE_UNIT_MKELVIN));
2560 printf("Attribute Parsing Verification: %s\n",
2561 d->attribute_verification_bad ? "Bad" : "Good");
2563 if (sk_disk_smart_get_overall(d, &overall) < 0)
2564 printf("Overall Status: %s\n", strerror(errno));
2566 printf("%sOverall Status: %s%s\n",
2567 overall != SK_SMART_OVERALL_GOOD ? HIGHLIGHT : "",
2568 sk_smart_overall_to_string(overall),
2569 overall != SK_SMART_OVERALL_GOOD ? ENDHIGHLIGHT : "");
2571 printf("%3s %-27s %5s %5s %5s %-11s %-14s %-7s %-7s %-4s %-4s\n",
2584 if ((ret = sk_disk_smart_parse_attributes(d, disk_dump_attributes, NULL)) < 0)
2587 printf("ATA SMART not supported.\n");
2592 int sk_disk_get_size(SkDisk *d, uint64_t *bytes) {
2596 if (d->size == (uint64_t) -1) {
2605 static int disk_find_type(SkDisk *d, dev_t devnum) {
2607 struct udev_device *dev = NULL, *usb;
2613 if (!(udev = udev_new())) {
2618 if (!(dev = udev_device_new_from_devnum(udev, 'b', devnum))) {
2623 if ((a = udev_device_get_property_value(dev, "ID_ATA_SMART_ACCESS"))) {
2626 for (u = 0; u < _SK_DISK_TYPE_MAX; u++) {
2629 if (!(t = disk_type_to_prefix_string(u)))
2632 if (!strcmp(a, t)) {
2639 d->type = SK_DISK_TYPE_NONE;
2644 if ((usb = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device"))) {
2645 const char *product, *vendor;
2648 if (!(product = udev_device_get_sysattr_value(usb, "idProduct")) ||
2649 sscanf(product, "%04x", &pid) != 1) {
2654 if (!(vendor = udev_device_get_sysattr_value(usb, "idVendor")) ||
2655 sscanf(vendor, "%04x", &vid) != 1) {
2660 if ((vid == 0x0928 && pid == 0x0000))
2661 /* This Oxford Semiconductor bridge seems to
2662 * choke on SAT commands. Let's explicitly
2663 * black list it here.
2665 * http://bugs.freedesktop.org/show_bug.cgi?id=24951 */
2666 d->type = SK_DISK_TYPE_NONE;
2667 else if ((vid == 0x152d && pid == 0x2329) ||
2668 (vid == 0x152d && pid == 0x2338) ||
2669 (vid == 0x152d && pid == 0x2339))
2670 /* Some JMicron bridges seem to choke on SMART
2671 * commands, so let's explicitly black list
2674 * https://bugzilla.redhat.com/show_bug.cgi?id=515881
2676 * At least some of the JMicron bridges with
2677 * these vids/pids choke on the jmicron access
2678 * mode. To make sure we don't break things
2679 * for people we now disable this by
2681 d->type = SK_DISK_TYPE_NONE;
2682 else if ((vid == 0x152d && pid == 0x2336))
2683 /* This JMicron bridge seems to always work
2684 * with SMART commands send with the jmicron
2686 d->type = SK_DISK_TYPE_JMICRON;
2687 else if ((vid == 0x0c0b && pid == 0xb159) ||
2688 (vid == 0x04fc && pid == 0x0c25) ||
2689 (vid == 0x04fc && pid == 0x0c15))
2690 d->type = SK_DISK_TYPE_SUNPLUS;
2692 d->type = SK_DISK_TYPE_ATA_PASSTHROUGH_12;
2694 } else if (udev_device_get_parent_with_subsystem_devtype(dev, "ide", NULL))
2695 d->type = SK_DISK_TYPE_LINUX_IDE;
2696 else if (udev_device_get_parent_with_subsystem_devtype(dev, "scsi", NULL))
2697 d->type = SK_DISK_TYPE_ATA_PASSTHROUGH_16;
2699 d->type = SK_DISK_TYPE_AUTO;
2705 udev_device_unref(dev);
2713 static int init_smart(SkDisk *d) {
2714 /* We don't do the SMART initialization right-away, since some
2715 * drivers spin up when we do that */
2719 if (d->smart_initialized)
2722 d->smart_initialized = TRUE;
2724 /* Check if driver can do SMART, and enable if necessary */
2725 if (!disk_smart_is_available(d))
2728 if (!disk_smart_is_enabled(d)) {
2729 if ((ret = disk_smart_enable(d, TRUE)) < 0)
2732 if ((ret = disk_identify_device(d)) < 0)
2735 if (!disk_smart_is_enabled(d)) {
2742 disk_smart_read_thresholds(d);
2749 int sk_disk_open(const char *name, SkDisk **_d) {
2756 if (!(d = calloc(1, sizeof(SkDisk)))) {
2762 d->size = (uint64_t) -1;
2765 d->type = SK_DISK_TYPE_BLOB;
2769 d->type = SK_DISK_TYPE_AUTO;
2771 if (!(dn = disk_type_from_string(name, &d->type)))
2774 if (!(d->name = strdup(dn))) {
2779 if ((d->fd = open(d->name,
2780 O_RDONLY|O_NOCTTY|O_NONBLOCK
2790 if ((ret = fstat(d->fd, &st)) < 0)
2793 if (!S_ISBLK(st.st_mode)) {
2799 /* So, it's a block device. Let's make sure the ioctls work */
2800 if ((ret = ioctl(d->fd, BLKGETSIZE64, &d->size)) < 0)
2803 if (d->size <= 0 || d->size == (uint64_t) -1) {
2809 /* OK, it's a real block device with a size. Now let's find the suitable API */
2810 if (d->type == SK_DISK_TYPE_AUTO)
2811 if ((ret = disk_find_type(d, st.st_rdev)) < 0)
2814 if (d->type == SK_DISK_TYPE_AUTO) {
2815 /* We have no clue, so let's autotest for a working API */
2816 for (d->type = 0; d->type < _SK_DISK_TYPE_TEST_MAX; d->type++)
2817 if (disk_identify_device(d) >= 0)
2819 if (d->type >= _SK_DISK_TYPE_TEST_MAX)
2820 d->type = SK_DISK_TYPE_NONE;
2822 disk_identify_device(d);
2837 void sk_disk_free(SkDisk *d) {
2848 int sk_disk_get_blob(SkDisk *d, const void **blob, size_t *rsize) {
2850 SkBool good, have_good = FALSE;
2858 (d->identify_valid ? 8 + sizeof(d->identify) : 0) +
2859 (d->smart_data_valid ? 8 + sizeof(d->smart_data) : 0) +
2860 (d->smart_thresholds_valid ? 8 + sizeof(d->smart_thresholds) : 0);
2862 if (sk_disk_smart_status(d, &good) >= 0) {
2873 if (!(d->blob = malloc(size))) {
2880 /* These memory accesses are only OK as long as all our
2881 * objects are sensibly aligned, which they are... */
2883 if (d->identify_valid) {
2884 p[0] = SK_BLOB_TAG_IDENTIFY;
2885 p[1] = htonl(sizeof(d->identify));
2888 memcpy(p, d->identify, sizeof(d->identify));
2889 p = (uint32_t*) ((uint8_t*) p + sizeof(d->identify));
2893 p[0] = SK_BLOB_TAG_SMART_STATUS;
2895 p[2] = htonl(!!good);
2899 if (d->smart_data_valid) {
2900 p[0] = SK_BLOB_TAG_SMART_DATA;
2901 p[1] = htonl(sizeof(d->smart_data));
2904 memcpy(p, d->smart_data, sizeof(d->smart_data));
2905 p = (uint32_t*) ((uint8_t*) p + sizeof(d->smart_data));
2908 if (d->smart_thresholds_valid) {
2909 p[0] = SK_BLOB_TAG_SMART_THRESHOLDS;
2910 p[1] = htonl(sizeof(d->smart_thresholds));
2913 memcpy(p, d->smart_thresholds, sizeof(d->smart_thresholds));
2914 p = (uint32_t*) ((uint8_t*) p + sizeof(d->smart_thresholds));
2917 assert((size_t) ((uint8_t*) p - (uint8_t*) d->blob) == size);
2925 int sk_disk_set_blob(SkDisk *d, const void *blob, size_t size) {
2928 SkBool idv = FALSE, sdv = FALSE, stv = FALSE, bssv = FALSE;
2933 if (d->type != SK_DISK_TYPE_BLOB) {
2943 /* First run, verify if everything makes sense */
2947 uint32_t tag, tsize;
2955 memcpy(&tsize, p+1, 4);
2959 if (left < ntohl(tsize)) {
2966 case SK_BLOB_TAG_IDENTIFY:
2967 if (ntohl(tsize) != sizeof(d->identify) || idv) {
2974 case SK_BLOB_TAG_SMART_STATUS:
2975 if (ntohl(tsize) != 4 || bssv) {
2982 case SK_BLOB_TAG_SMART_DATA:
2983 if (ntohl(tsize) != sizeof(d->smart_data) || sdv) {
2990 case SK_BLOB_TAG_SMART_THRESHOLDS:
2991 if (ntohl(tsize) != sizeof(d->smart_thresholds) || stv) {
2999 p = (uint32_t*) ((uint8_t*) p + ntohl(tsize));
3000 left -= ntohl(tsize);
3008 d->identify_valid = idv;
3009 d->smart_data_valid = sdv;
3010 d->smart_thresholds_valid = stv;
3011 d->blob_smart_status_valid = bssv;
3013 /* Second run, actually copy things in */
3017 uint32_t tag, tsize;
3021 memcpy(&tsize, p+1, 4);
3025 assert(left >= ntohl(tsize));
3029 case SK_BLOB_TAG_IDENTIFY:
3030 assert(ntohl(tsize) == sizeof(d->identify));
3031 memcpy(d->identify, p, sizeof(d->identify));
3034 case SK_BLOB_TAG_SMART_STATUS: {
3036 assert(ntohl(tsize) == 4);
3038 d->blob_smart_status = !!ok;
3042 case SK_BLOB_TAG_SMART_DATA:
3043 assert(ntohl(tsize) == sizeof(d->smart_data));
3044 memcpy(d->smart_data, p, sizeof(d->smart_data));
3047 case SK_BLOB_TAG_SMART_THRESHOLDS:
3048 assert(ntohl(tsize) == sizeof(d->smart_thresholds));
3049 memcpy(d->smart_thresholds, p, sizeof(d->smart_thresholds));
3053 p = (uint32_t*) ((uint8_t*) p + ntohl(tsize));
3054 left -= ntohl(tsize);