xref: /freebsd/sbin/nvmecontrol/logpage.c (revision d93a896ef95946b0bf1219866fcb324b78543444)
1 /*-
2  * Copyright (c) 2013 EMC Corp.
3  * All rights reserved.
4  *
5  * Copyright (C) 2012-2013 Intel Corporation
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include <sys/param.h>
34 #include <sys/ioccom.h>
35 
36 #include <ctype.h>
37 #include <err.h>
38 #include <fcntl.h>
39 #include <stdbool.h>
40 #include <stddef.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <unistd.h>
45 #include <sys/endian.h>
46 
47 #if _BYTE_ORDER != _LITTLE_ENDIAN
48 #error "Code only works on little endian machines"
49 #endif
50 
51 #include "nvmecontrol.h"
52 
53 #define DEFAULT_SIZE	(4096)
54 #define MAX_FW_SLOTS	(7)
55 
56 typedef void (*print_fn_t)(void *buf, uint32_t size);
57 
58 struct kv_name
59 {
60 	uint32_t key;
61 	const char *name;
62 };
63 
64 static const char *
65 kv_lookup(const struct kv_name *kv, size_t kv_count, uint32_t key)
66 {
67 	static char bad[32];
68 	size_t i;
69 
70 	for (i = 0; i < kv_count; i++, kv++)
71 		if (kv->key == key)
72 			return kv->name;
73 	snprintf(bad, sizeof(bad), "Attribute %#x", key);
74 	return bad;
75 }
76 
77 static void
78 print_bin(void *data, uint32_t length)
79 {
80 	write(STDOUT_FILENO, data, length);
81 }
82 
83 static void *
84 get_log_buffer(uint32_t size)
85 {
86 	void	*buf;
87 
88 	if ((buf = malloc(size)) == NULL)
89 		errx(1, "unable to malloc %u bytes", size);
90 
91 	memset(buf, 0, size);
92 	return (buf);
93 }
94 
95 void
96 read_logpage(int fd, uint8_t log_page, int nsid, void *payload,
97     uint32_t payload_size)
98 {
99 	struct nvme_pt_command	pt;
100 
101 	memset(&pt, 0, sizeof(pt));
102 	pt.cmd.opc = NVME_OPC_GET_LOG_PAGE;
103 	pt.cmd.nsid = nsid;
104 	pt.cmd.cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
105 	pt.cmd.cdw10 |= log_page;
106 	pt.buf = payload;
107 	pt.len = payload_size;
108 	pt.is_read = 1;
109 
110 	if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
111 		err(1, "get log page request failed");
112 
113 	if (nvme_completion_is_error(&pt.cpl))
114 		errx(1, "get log page request returned error");
115 }
116 
117 static void
118 print_log_error(void *buf, uint32_t size)
119 {
120 	int					i, nentries;
121 	struct nvme_error_information_entry	*entry = buf;
122 	struct nvme_status			*status;
123 
124 	printf("Error Information Log\n");
125 	printf("=====================\n");
126 
127 	if (entry->error_count == 0) {
128 		printf("No error entries found\n");
129 		return;
130 	}
131 
132 	nentries = size/sizeof(struct nvme_error_information_entry);
133 	for (i = 0; i < nentries; i++, entry++) {
134 		if (entry->error_count == 0)
135 			break;
136 
137 		status = &entry->status;
138 		printf("Entry %02d\n", i + 1);
139 		printf("=========\n");
140 		printf(" Error count:          %ju\n", entry->error_count);
141 		printf(" Submission queue ID:  %u\n", entry->sqid);
142 		printf(" Command ID:           %u\n", entry->cid);
143 		/* TODO: Export nvme_status_string structures from kernel? */
144 		printf(" Status:\n");
145 		printf("  Phase tag:           %d\n", status->p);
146 		printf("  Status code:         %d\n", status->sc);
147 		printf("  Status code type:    %d\n", status->sct);
148 		printf("  More:                %d\n", status->m);
149 		printf("  DNR:                 %d\n", status->dnr);
150 		printf(" Error location:       %u\n", entry->error_location);
151 		printf(" LBA:                  %ju\n", entry->lba);
152 		printf(" Namespace ID:         %u\n", entry->nsid);
153 		printf(" Vendor specific info: %u\n", entry->vendor_specific);
154 	}
155 }
156 
157 static void
158 print_temp(uint16_t t)
159 {
160 	printf("%u K, %2.2f C, %3.2f F\n", t, (float)t - 273.15, (float)t * 9 / 5 - 459.67);
161 }
162 
163 
164 static void
165 print_log_health(void *buf, uint32_t size __unused)
166 {
167 	struct nvme_health_information_page *health = buf;
168 	char cbuf[UINT128_DIG + 1];
169 	int i;
170 
171 	printf("SMART/Health Information Log\n");
172 	printf("============================\n");
173 
174 	printf("Critical Warning State:         0x%02x\n",
175 	    health->critical_warning.raw);
176 	printf(" Available spare:               %d\n",
177 	    health->critical_warning.bits.available_spare);
178 	printf(" Temperature:                   %d\n",
179 	    health->critical_warning.bits.temperature);
180 	printf(" Device reliability:            %d\n",
181 	    health->critical_warning.bits.device_reliability);
182 	printf(" Read only:                     %d\n",
183 	    health->critical_warning.bits.read_only);
184 	printf(" Volatile memory backup:        %d\n",
185 	    health->critical_warning.bits.volatile_memory_backup);
186 	printf("Temperature:                    ");
187 	print_temp(health->temperature);
188 	printf("Available spare:                %u\n",
189 	    health->available_spare);
190 	printf("Available spare threshold:      %u\n",
191 	    health->available_spare_threshold);
192 	printf("Percentage used:                %u\n",
193 	    health->percentage_used);
194 
195 	printf("Data units (512,000 byte) read: %s\n",
196 	    uint128_to_str(to128(health->data_units_read), cbuf, sizeof(cbuf)));
197 	printf("Data units written:             %s\n",
198 	    uint128_to_str(to128(health->data_units_written), cbuf, sizeof(cbuf)));
199 	printf("Host read commands:             %s\n",
200 	    uint128_to_str(to128(health->host_read_commands), cbuf, sizeof(cbuf)));
201 	printf("Host write commands:            %s\n",
202 	    uint128_to_str(to128(health->host_write_commands), cbuf, sizeof(cbuf)));
203 	printf("Controller busy time (minutes): %s\n",
204 	    uint128_to_str(to128(health->controller_busy_time), cbuf, sizeof(cbuf)));
205 	printf("Power cycles:                   %s\n",
206 	    uint128_to_str(to128(health->power_cycles), cbuf, sizeof(cbuf)));
207 	printf("Power on hours:                 %s\n",
208 	    uint128_to_str(to128(health->power_on_hours), cbuf, sizeof(cbuf)));
209 	printf("Unsafe shutdowns:               %s\n",
210 	    uint128_to_str(to128(health->unsafe_shutdowns), cbuf, sizeof(cbuf)));
211 	printf("Media errors:                   %s\n",
212 	    uint128_to_str(to128(health->media_errors), cbuf, sizeof(cbuf)));
213 	printf("No. error info log entries:     %s\n",
214 	    uint128_to_str(to128(health->num_error_info_log_entries), cbuf, sizeof(cbuf)));
215 
216 	printf("Warning Temp Composite Time:    %d\n", health->warning_temp_time);
217 	printf("Error Temp Composite Time:      %d\n", health->error_temp_time);
218 	for (i = 0; i < 7; i++) {
219 		if (health->temp_sensor[i] == 0)
220 			continue;
221 		printf("Temperature Sensor %d:           ", i + 1);
222 		print_temp(health->temp_sensor[i]);
223 	}
224 }
225 
226 static void
227 print_log_firmware(void *buf, uint32_t size __unused)
228 {
229 	int				i;
230 	const char			*status;
231 	struct nvme_firmware_page	*fw = buf;
232 
233 	printf("Firmware Slot Log\n");
234 	printf("=================\n");
235 
236 	for (i = 0; i < MAX_FW_SLOTS; i++) {
237 		printf("Slot %d: ", i + 1);
238 		if (fw->afi.slot == i + 1)
239 			status = "  Active";
240 		else
241 			status = "Inactive";
242 
243 		if (fw->revision[i] == 0LLU)
244 			printf("Empty\n");
245 		else
246 			if (isprint(*(char *)&fw->revision[i]))
247 				printf("[%s] %.8s\n", status,
248 				    (char *)&fw->revision[i]);
249 			else
250 				printf("[%s] %016jx\n", status,
251 				    fw->revision[i]);
252 	}
253 }
254 
255 /*
256  * Intel specific log pages from
257  * http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/ssd-dc-p3700-spec.pdf
258  *
259  * Though the version as of this date has a typo for the size of log page 0xca,
260  * offset 147: it is only 1 byte, not 6.
261  */
262 static void
263 print_intel_temp_stats(void *buf, uint32_t size __unused)
264 {
265 	struct intel_log_temp_stats	*temp = buf;
266 
267 	printf("Intel Temperature Log\n");
268 	printf("=====================\n");
269 
270 	printf("Current:                        ");
271 	print_temp(temp->current);
272 	printf("Overtemp Last Flags             %#jx\n", (uintmax_t)temp->overtemp_flag_last);
273 	printf("Overtemp Lifetime Flags         %#jx\n", (uintmax_t)temp->overtemp_flag_life);
274 	printf("Max Temperature                 ");
275 	print_temp(temp->max_temp);
276 	printf("Min Temperature                 ");
277 	print_temp(temp->min_temp);
278 	printf("Max Operating Temperature       ");
279 	print_temp(temp->max_oper_temp);
280 	printf("Min Operating Temperature       ");
281 	print_temp(temp->min_oper_temp);
282 	printf("Estimated Temperature Offset:   %ju C/K\n", (uintmax_t)temp->est_offset);
283 }
284 
285 /*
286  * Format from Table 22, section 5.7 IO Command Latency Statistics.
287  * Read and write stats pages have identical encoding.
288  */
289 static void
290 print_intel_read_write_lat_log(void *buf, uint32_t size __unused)
291 {
292 	const char *walker = buf;
293 	int i;
294 
295 	printf("Major:                         %d\n", le16dec(walker + 0));
296 	printf("Minor:                         %d\n", le16dec(walker + 2));
297 	for (i = 0; i < 32; i++)
298 		printf("%4dus-%4dus:                 %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 4 + i * 4));
299 	for (i = 1; i < 32; i++)
300 		printf("%4dms-%4dms:                 %ju\n", i, i + 1, (uintmax_t)le32dec(walker + 132 + i * 4));
301 	for (i = 1; i < 32; i++)
302 		printf("%4dms-%4dms:                 %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 256 + i * 4));
303 }
304 
305 static void
306 print_intel_read_lat_log(void *buf, uint32_t size)
307 {
308 
309 	printf("Intel Read Latency Log\n");
310 	printf("======================\n");
311 	print_intel_read_write_lat_log(buf, size);
312 }
313 
314 static void
315 print_intel_write_lat_log(void *buf, uint32_t size)
316 {
317 
318 	printf("Intel Write Latency Log\n");
319 	printf("=======================\n");
320 	print_intel_read_write_lat_log(buf, size);
321 }
322 
323 /*
324  * Table 19. 5.4 SMART Attributes. Samsung also implements this and some extra data not documented.
325  */
326 static void
327 print_intel_add_smart(void *buf, uint32_t size __unused)
328 {
329 	uint8_t *walker = buf;
330 	uint8_t *end = walker + 150;
331 	const char *name;
332 	uint64_t raw;
333 	uint8_t normalized;
334 
335 	static struct kv_name kv[] =
336 	{
337 		{ 0xab, "Program Fail Count" },
338 		{ 0xac, "Erase Fail Count" },
339 		{ 0xad, "Wear Leveling Count" },
340 		{ 0xb8, "End to End Error Count" },
341 		{ 0xc7, "CRC Error Count" },
342 		{ 0xe2, "Timed: Media Wear" },
343 		{ 0xe3, "Timed: Host Read %" },
344 		{ 0xe4, "Timed: Elapsed Time" },
345 		{ 0xea, "Thermal Throttle Status" },
346 		{ 0xf0, "Retry Buffer Overflows" },
347 		{ 0xf3, "PLL Lock Loss Count" },
348 		{ 0xf4, "NAND Bytes Written" },
349 		{ 0xf5, "Host Bytes Written" },
350 	};
351 
352 	printf("Additional SMART Data Log\n");
353 	printf("=========================\n");
354 	/*
355 	 * walker[0] = Key
356 	 * walker[1,2] = reserved
357 	 * walker[3] = Normalized Value
358 	 * walker[4] = reserved
359 	 * walker[5..10] = Little Endian Raw value
360 	 *	(or other represenations)
361 	 * walker[11] = reserved
362 	 */
363 	while (walker < end) {
364 		name = kv_lookup(kv, nitems(kv), *walker);
365 		normalized = walker[3];
366 		raw = le48dec(walker + 5);
367 		switch (*walker){
368 		case 0:
369 			break;
370 		case 0xad:
371 			printf("%-32s: %3d min: %u max: %u ave: %u\n", name, normalized,
372 			    le16dec(walker + 5), le16dec(walker + 7), le16dec(walker + 9));
373 			break;
374 		case 0xe2:
375 			printf("%-32s: %3d %.3f%%\n", name, normalized, raw / 1024.0);
376 			break;
377 		case 0xea:
378 			printf("%-32s: %3d %d%% %d times\n", name, normalized, walker[5], le32dec(walker+6));
379 			break;
380 		default:
381 			printf("%-32s: %3d %ju\n", name, normalized, (uintmax_t)raw);
382 			break;
383 		}
384 		walker += 12;
385 	}
386 }
387 
388 /*
389  * HGST's 0xc1 page. This is a grab bag of additional data. Please see
390  * https://www.hgst.com/sites/default/files/resources/US_SN150_ProdManual.pdf
391  * https://www.hgst.com/sites/default/files/resources/US_SN100_ProdManual.pdf
392  * Appendix A for details
393  */
394 
395 typedef void (*subprint_fn_t)(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
396 
397 struct subpage_print
398 {
399 	uint16_t key;
400 	subprint_fn_t fn;
401 };
402 
403 static void print_hgst_info_write_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
404 static void print_hgst_info_read_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
405 static void print_hgst_info_verify_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
406 static void print_hgst_info_self_test(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
407 static void print_hgst_info_background_scan(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
408 static void print_hgst_info_erase_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
409 static void print_hgst_info_erase_counts(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
410 static void print_hgst_info_temp_history(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
411 static void print_hgst_info_ssd_perf(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
412 static void print_hgst_info_firmware_load(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
413 
414 static struct subpage_print hgst_subpage[] = {
415 	{ 0x02, print_hgst_info_write_errors },
416 	{ 0x03, print_hgst_info_read_errors },
417 	{ 0x05, print_hgst_info_verify_errors },
418 	{ 0x10, print_hgst_info_self_test },
419 	{ 0x15, print_hgst_info_background_scan },
420 	{ 0x30, print_hgst_info_erase_errors },
421 	{ 0x31, print_hgst_info_erase_counts },
422 	{ 0x32, print_hgst_info_temp_history },
423 	{ 0x37, print_hgst_info_ssd_perf },
424 	{ 0x38, print_hgst_info_firmware_load },
425 };
426 
427 /* Print a subpage that is basically just key value pairs */
428 static void
429 print_hgst_info_subpage_gen(void *buf, uint16_t subtype __unused, uint32_t size,
430     const struct kv_name *kv, size_t kv_count)
431 {
432 	uint8_t *wsp, *esp;
433 	uint16_t ptype;
434 	uint8_t plen;
435 	uint64_t param;
436 	int i;
437 
438 	wsp = buf;
439 	esp = wsp + size;
440 	while (wsp < esp) {
441 		ptype = le16dec(wsp);
442 		wsp += 2;
443 		wsp++;			/* Flags, just ignore */
444 		plen = *wsp++;
445 		param = 0;
446 		for (i = 0; i < plen; i++)
447 			param |= (uint64_t)*wsp++ << (i * 8);
448 		printf("  %-30s: %jd\n", kv_lookup(kv, kv_count, ptype), (uintmax_t)param);
449 	}
450 }
451 
452 static void
453 print_hgst_info_write_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
454 {
455 	static struct kv_name kv[] =
456 	{
457 		{ 0x0000, "Corrected Without Delay" },
458 		{ 0x0001, "Corrected Maybe Delayed" },
459 		{ 0x0002, "Re-Writes" },
460 		{ 0x0003, "Errors Corrected" },
461 		{ 0x0004, "Correct Algorithm Used" },
462 		{ 0x0005, "Bytes Processed" },
463 		{ 0x0006, "Uncorrected Errors" },
464 		{ 0x8000, "Flash Write Commands" },
465 		{ 0x8001, "HGST Special" },
466 	};
467 
468 	printf("Write Errors Subpage:\n");
469 	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
470 }
471 
472 static void
473 print_hgst_info_read_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
474 {
475 	static struct kv_name kv[] =
476 	{
477 		{ 0x0000, "Corrected Without Delay" },
478 		{ 0x0001, "Corrected Maybe Delayed" },
479 		{ 0x0002, "Re-Reads" },
480 		{ 0x0003, "Errors Corrected" },
481 		{ 0x0004, "Correct Algorithm Used" },
482 		{ 0x0005, "Bytes Processed" },
483 		{ 0x0006, "Uncorrected Errors" },
484 		{ 0x8000, "Flash Read Commands" },
485 		{ 0x8001, "XOR Recovered" },
486 		{ 0x8002, "Total Corrected Bits" },
487 	};
488 
489 	printf("Read Errors Subpage:\n");
490 	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
491 }
492 
493 static void
494 print_hgst_info_verify_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
495 {
496 	static struct kv_name kv[] =
497 	{
498 		{ 0x0000, "Corrected Without Delay" },
499 		{ 0x0001, "Corrected Maybe Delayed" },
500 		{ 0x0002, "Re-Reads" },
501 		{ 0x0003, "Errors Corrected" },
502 		{ 0x0004, "Correct Algorithm Used" },
503 		{ 0x0005, "Bytes Processed" },
504 		{ 0x0006, "Uncorrected Errors" },
505 		{ 0x8000, "Commands Processed" },
506 	};
507 
508 	printf("Verify Errors Subpage:\n");
509 	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
510 }
511 
512 static void
513 print_hgst_info_self_test(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
514 {
515 	size_t i;
516 	uint8_t *walker = buf;
517 	uint16_t code, hrs;
518 	uint32_t lba;
519 
520 	printf("Self Test Subpage:\n");
521 	for (i = 0; i < size / 20; i++) {	/* Each entry is 20 bytes */
522 		code = le16dec(walker);
523 		walker += 2;
524 		walker++;			/* Ignore fixed flags */
525 		if (*walker == 0)		/* Last entry is zero length */
526 			break;
527 		if (*walker++ != 0x10) {
528 			printf("Bad length for self test report\n");
529 			return;
530 		}
531 		printf("  %-30s: %d\n", "Recent Test", code);
532 		printf("    %-28s: %#x\n", "Self-Test Results", *walker & 0xf);
533 		printf("    %-28s: %#x\n", "Self-Test Code", (*walker >> 5) & 0x7);
534 		walker++;
535 		printf("    %-28s: %#x\n", "Self-Test Number", *walker++);
536 		hrs = le16dec(walker);
537 		walker += 2;
538 		lba = le32dec(walker);
539 		walker += 4;
540 		printf("    %-28s: %u\n", "Total Power On Hrs", hrs);
541 		printf("    %-28s: %#jx (%jd)\n", "LBA", (uintmax_t)lba, (uintmax_t)lba);
542 		printf("    %-28s: %#x\n", "Sense Key", *walker++ & 0xf);
543 		printf("    %-28s: %#x\n", "Additional Sense Code", *walker++);
544 		printf("    %-28s: %#x\n", "Additional Sense Qualifier", *walker++);
545 		printf("    %-28s: %#x\n", "Vendor Specific Detail", *walker++);
546 	}
547 }
548 
549 static void
550 print_hgst_info_background_scan(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
551 {
552 	uint8_t *walker = buf;
553 	uint8_t status;
554 	uint16_t code, nscan, progress;
555 	uint32_t pom, nand;
556 
557 	printf("Background Media Scan Subpage:\n");
558 	/* Decode the header */
559 	code = le16dec(walker);
560 	walker += 2;
561 	walker++;			/* Ignore fixed flags */
562 	if (*walker++ != 0x10) {
563 		printf("Bad length for background scan header\n");
564 		return;
565 	}
566 	if (code != 0) {
567 		printf("Expceted code 0, found code %#x\n", code);
568 		return;
569 	}
570 	pom = le32dec(walker);
571 	walker += 4;
572 	walker++;			/* Reserved */
573 	status = *walker++;
574 	nscan = le16dec(walker);
575 	walker += 2;
576 	progress = le16dec(walker);
577 	walker += 2;
578 	walker += 6;			/* Reserved */
579 	printf("  %-30s: %d\n", "Power On Minutes", pom);
580 	printf("  %-30s: %x (%s)\n", "BMS Status", status,
581 	    status == 0 ? "idle" : (status == 1 ? "active" : (status == 8 ? "suspended" : "unknown")));
582 	printf("  %-30s: %d\n", "Number of BMS", nscan);
583 	printf("  %-30s: %d\n", "Progress Current BMS", progress);
584 	/* Report retirements */
585 	if (walker - (uint8_t *)buf != 20) {
586 		printf("Coding error, offset not 20\n");
587 		return;
588 	}
589 	size -= 20;
590 	printf("  %-30s: %d\n", "BMS retirements", size / 0x18);
591 	while (size > 0) {
592 		code = le16dec(walker);
593 		walker += 2;
594 		walker++;
595 		if (*walker++ != 0x14) {
596 			printf("Bad length parameter\n");
597 			return;
598 		}
599 		pom = le32dec(walker);
600 		walker += 4;
601 		/*
602 		 * Spec sheet says the following are hard coded, if true, just
603 		 * print the NAND retirement.
604 		 */
605 		if (walker[0] == 0x41 &&
606 		    walker[1] == 0x0b &&
607 		    walker[2] == 0x01 &&
608 		    walker[3] == 0x00 &&
609 		    walker[4] == 0x00 &&
610 		    walker[5] == 0x00 &&
611 		    walker[6] == 0x00 &&
612 		    walker[7] == 0x00) {
613 			walker += 8;
614 			walker += 4;	/* Skip reserved */
615 			nand = le32dec(walker);
616 			walker += 4;
617 			printf("  %-30s: %d\n", "Retirement number", code);
618 			printf("    %-28s: %#x\n", "NAND (C/T)BBBPPP", nand);
619 		} else {
620 			printf("Parameter %#x entry corrupt\n", code);
621 			walker += 16;
622 		}
623 	}
624 }
625 
626 static void
627 print_hgst_info_erase_errors(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
628 {
629 	static struct kv_name kv[] =
630 	{
631 		{ 0x0000, "Corrected Without Delay" },
632 		{ 0x0001, "Corrected Maybe Delayed" },
633 		{ 0x0002, "Re-Erase" },
634 		{ 0x0003, "Errors Corrected" },
635 		{ 0x0004, "Correct Algorithm Used" },
636 		{ 0x0005, "Bytes Processed" },
637 		{ 0x0006, "Uncorrected Errors" },
638 		{ 0x8000, "Flash Erase Commands" },
639 		{ 0x8001, "Mfg Defect Count" },
640 		{ 0x8002, "Grown Defect Count" },
641 		{ 0x8003, "Erase Count -- User" },
642 		{ 0x8004, "Erase Count -- System" },
643 	};
644 
645 	printf("Erase Errors Subpage:\n");
646 	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
647 }
648 
649 static void
650 print_hgst_info_erase_counts(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
651 {
652 	/* My drive doesn't export this -- so not coding up */
653 	printf("XXX: Erase counts subpage: %p, %#x %d\n", buf, subtype, size);
654 }
655 
656 static void
657 print_hgst_info_temp_history(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size __unused)
658 {
659 	uint8_t *walker = buf;
660 	uint32_t min;
661 
662 	printf("Temperature History:\n");
663 	printf("  %-30s: %d C\n", "Current Temperature", *walker++);
664 	printf("  %-30s: %d C\n", "Reference Temperature", *walker++);
665 	printf("  %-30s: %d C\n", "Maximum Temperature", *walker++);
666 	printf("  %-30s: %d C\n", "Minimum Temperature", *walker++);
667 	min = le32dec(walker);
668 	walker += 4;
669 	printf("  %-30s: %d:%02d:00\n", "Max Temperature Time", min / 60, min % 60);
670 	min = le32dec(walker);
671 	walker += 4;
672 	printf("  %-30s: %d:%02d:00\n", "Over Temperature Duration", min / 60, min % 60);
673 	min = le32dec(walker);
674 	walker += 4;
675 	printf("  %-30s: %d:%02d:00\n", "Min Temperature Time", min / 60, min % 60);
676 }
677 
678 static void
679 print_hgst_info_ssd_perf(void *buf, uint16_t subtype __unused, uint8_t res, uint32_t size __unused)
680 {
681 	uint8_t *walker = buf;
682 	uint64_t val;
683 
684 	printf("SSD Performance Subpage Type %d:\n", res);
685 	val = le64dec(walker);
686 	walker += 8;
687 	printf("  %-30s: %ju\n", "Host Read Commands", val);
688 	val = le64dec(walker);
689 	walker += 8;
690 	printf("  %-30s: %ju\n", "Host Read Blocks", val);
691 	val = le64dec(walker);
692 	walker += 8;
693 	printf("  %-30s: %ju\n", "Host Cache Read Hits Commands", val);
694 	val = le64dec(walker);
695 	walker += 8;
696 	printf("  %-30s: %ju\n", "Host Cache Read Hits Blocks", val);
697 	val = le64dec(walker);
698 	walker += 8;
699 	printf("  %-30s: %ju\n", "Host Read Commands Stalled", val);
700 	val = le64dec(walker);
701 	walker += 8;
702 	printf("  %-30s: %ju\n", "Host Write Commands", val);
703 	val = le64dec(walker);
704 	walker += 8;
705 	printf("  %-30s: %ju\n", "Host Write Blocks", val);
706 	val = le64dec(walker);
707 	walker += 8;
708 	printf("  %-30s: %ju\n", "Host Write Odd Start Commands", val);
709 	val = le64dec(walker);
710 	walker += 8;
711 	printf("  %-30s: %ju\n", "Host Write Odd End Commands", val);
712 	val = le64dec(walker);
713 	walker += 8;
714 	printf("  %-30s: %ju\n", "Host Write Commands Stalled", val);
715 	val = le64dec(walker);
716 	walker += 8;
717 	printf("  %-30s: %ju\n", "NAND Read Commands", val);
718 	val = le64dec(walker);
719 	walker += 8;
720 	printf("  %-30s: %ju\n", "NAND Read Blocks", val);
721 	val = le64dec(walker);
722 	walker += 8;
723 	printf("  %-30s: %ju\n", "NAND Write Commands", val);
724 	val = le64dec(walker);
725 	walker += 8;
726 	printf("  %-30s: %ju\n", "NAND Write Blocks", val);
727 	val = le64dec(walker);
728 	walker += 8;
729 	printf("  %-30s: %ju\n", "NAND Read Before Writes", val);
730 }
731 
732 static void
733 print_hgst_info_firmware_load(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size __unused)
734 {
735 	uint8_t *walker = buf;
736 
737 	printf("Firmware Load Subpage:\n");
738 	printf("  %-30s: %d\n", "Firmware Downloads", le32dec(walker));
739 }
740 
741 static void
742 kv_indirect(void *buf, uint32_t subtype, uint8_t res, uint32_t size, struct subpage_print *sp, size_t nsp)
743 {
744 	size_t i;
745 
746 	for (i = 0; i < nsp; i++, sp++) {
747 		if (sp->key == subtype) {
748 			sp->fn(buf, subtype, res, size);
749 			return;
750 		}
751 	}
752 	printf("No handler for page type %x\n", subtype);
753 }
754 
755 static void
756 print_hgst_info_log(void *buf, uint32_t size __unused)
757 {
758 	uint8_t	*walker, *end, *subpage;
759 	int pages;
760 	uint16_t len;
761 	uint8_t subtype, res;
762 
763 	printf("HGST Extra Info Log\n");
764 	printf("===================\n");
765 
766 	walker = buf;
767 	pages = *walker++;
768 	walker++;
769 	len = le16dec(walker);
770 	walker += 2;
771 	end = walker + len;		/* Length is exclusive of this header */
772 
773 	while (walker < end) {
774 		subpage = walker + 4;
775 		subtype = *walker++ & 0x3f;	/* subtype */
776 		res = *walker++;		/* Reserved */
777 		len = le16dec(walker);
778 		walker += len + 2;		/* Length, not incl header */
779 		if (walker > end) {
780 			printf("Ooops! Off the end of the list\n");
781 			break;
782 		}
783 		kv_indirect(subpage, subtype, res, len, hgst_subpage, nitems(hgst_subpage));
784 	}
785 }
786 
787 /*
788  * Table of log page printer / sizing.
789  *
790  * This includes Intel specific pages that are widely implemented.
791  * Make sure you keep all the pages of one vendor together so -v help
792  * lists all the vendors pages.
793  */
794 static struct logpage_function {
795 	uint8_t		log_page;
796 	const char     *vendor;
797 	const char     *name;
798 	print_fn_t	print_fn;
799 	size_t		size;
800 } logfuncs[] = {
801 	{NVME_LOG_ERROR,		NULL,	"Drive Error Log",
802 	 print_log_error,		0},
803 	{NVME_LOG_HEALTH_INFORMATION,	NULL,	"Health/SMART Data",
804 	 print_log_health,		sizeof(struct nvme_health_information_page)},
805 	{NVME_LOG_FIRMWARE_SLOT,	NULL,	"Firmware Information",
806 	 print_log_firmware,		sizeof(struct nvme_firmware_page)},
807 	{HGST_INFO_LOG,			"hgst",	"Detailed Health/SMART",
808 	 print_hgst_info_log,		DEFAULT_SIZE},
809 	{HGST_INFO_LOG,			"wds",	"Detailed Health/SMART",
810 	 print_hgst_info_log,		DEFAULT_SIZE},
811 	{INTEL_LOG_TEMP_STATS,		"intel", "Temperature Stats",
812 	 print_intel_temp_stats,	sizeof(struct intel_log_temp_stats)},
813 	{INTEL_LOG_READ_LAT_LOG,	"intel", "Read Latencies",
814 	 print_intel_read_lat_log,	DEFAULT_SIZE},
815 	{INTEL_LOG_WRITE_LAT_LOG,	"intel", "Write Latencies",
816 	 print_intel_write_lat_log,	DEFAULT_SIZE},
817 	{INTEL_LOG_ADD_SMART,		"intel", "Extra Health/SMART Data",
818 	 print_intel_add_smart,		DEFAULT_SIZE},
819 	{INTEL_LOG_ADD_SMART,		"samsung", "Extra Health/SMART Data",
820 	 print_intel_add_smart,		DEFAULT_SIZE},
821 
822 	{0, NULL, NULL, NULL, 0},
823 };
824 
825 static void
826 logpage_usage(void)
827 {
828 	fprintf(stderr, "usage:\n");
829 	fprintf(stderr, LOGPAGE_USAGE);
830 	exit(1);
831 }
832 
833 static void
834 logpage_help(void)
835 {
836 	struct logpage_function		*f;
837 	const char 			*v;
838 
839 	fprintf(stderr, "\n");
840 	fprintf(stderr, "%-8s %-10s %s\n", "Page", "Vendor","Page Name");
841 	fprintf(stderr, "-------- ---------- ----------\n");
842 	for (f = logfuncs; f->log_page > 0; f++) {
843 		v = f->vendor == NULL ? "-" : f->vendor;
844 		fprintf(stderr, "0x%02x     %-10s %s\n", f->log_page, v, f->name);
845 	}
846 
847 	exit(1);
848 }
849 
850 void
851 logpage(int argc, char *argv[])
852 {
853 	int				fd, nsid;
854 	int				log_page = 0, pageflag = false;
855 	int				binflag = false, hexflag = false, ns_specified;
856 	char				ch, *p;
857 	char				cname[64];
858 	uint32_t			size;
859 	void				*buf;
860 	const char			*vendor = NULL;
861 	struct logpage_function		*f;
862 	struct nvme_controller_data	cdata;
863 	print_fn_t			print_fn;
864 
865 	while ((ch = getopt(argc, argv, "bp:xv:")) != -1) {
866 		switch (ch) {
867 		case 'b':
868 			binflag = true;
869 			break;
870 		case 'p':
871 			if (strcmp(optarg, "help") == 0)
872 				logpage_help();
873 
874 			/* TODO: Add human-readable ASCII page IDs */
875 			log_page = strtol(optarg, &p, 0);
876 			if (p != NULL && *p != '\0') {
877 				fprintf(stderr,
878 				    "\"%s\" not valid log page id.\n",
879 				    optarg);
880 				logpage_usage();
881 			}
882 			pageflag = true;
883 			break;
884 		case 'x':
885 			hexflag = true;
886 			break;
887 		case 'v':
888 			if (strcmp(optarg, "help") == 0)
889 				logpage_help();
890 			vendor = optarg;
891 			break;
892 		}
893 	}
894 
895 	if (!pageflag) {
896 		printf("Missing page_id (-p).\n");
897 		logpage_usage();
898 	}
899 
900 	/* Check that a controller and/or namespace was specified. */
901 	if (optind >= argc)
902 		logpage_usage();
903 
904 	if (strstr(argv[optind], NVME_NS_PREFIX) != NULL) {
905 		ns_specified = true;
906 		parse_ns_str(argv[optind], cname, &nsid);
907 		open_dev(cname, &fd, 1, 1);
908 	} else {
909 		ns_specified = false;
910 		nsid = NVME_GLOBAL_NAMESPACE_TAG;
911 		open_dev(argv[optind], &fd, 1, 1);
912 	}
913 
914 	read_controller_data(fd, &cdata);
915 
916 	/*
917 	 * The log page attribtues indicate whether or not the controller
918 	 * supports the SMART/Health information log page on a per
919 	 * namespace basis.
920 	 */
921 	if (ns_specified) {
922 		if (log_page != NVME_LOG_HEALTH_INFORMATION)
923 			errx(1, "log page %d valid only at controller level",
924 			    log_page);
925 		if (cdata.lpa.ns_smart == 0)
926 			errx(1,
927 			    "controller does not support per namespace "
928 			    "smart/health information");
929 	}
930 
931 	print_fn = print_hex;
932 	size = DEFAULT_SIZE;
933 	if (binflag)
934 		print_fn = print_bin;
935 	if (!binflag && !hexflag) {
936 		/*
937 		 * See if there is a pretty print function for the specified log
938 		 * page.  If one isn't found, we just revert to the default
939 		 * (print_hex). If there was a vendor specified bt the user, and
940 		 * the page is vendor specific, don't match the print function
941 		 * unless the vendors match.
942 		 */
943 		for (f = logfuncs; f->log_page > 0; f++) {
944 			if (f->vendor != NULL && vendor != NULL &&
945 			    strcmp(f->vendor, vendor) != 0)
946 				continue;
947 			if (log_page != f->log_page)
948 				continue;
949 			print_fn = f->print_fn;
950 			size = f->size;
951 			break;
952 		}
953 	}
954 
955 	if (log_page == NVME_LOG_ERROR) {
956 		size = sizeof(struct nvme_error_information_entry);
957 		size *= (cdata.elpe + 1);
958 	}
959 
960 	/* Read the log page */
961 	buf = get_log_buffer(size);
962 	read_logpage(fd, log_page, nsid, buf, size);
963 	print_fn(buf, size);
964 
965 	close(fd);
966 	exit(0);
967 }
968