1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 EMC Corp.
5 * All rights reserved.
6 *
7 * Copyright (C) 2012-2013 Intel Corporation
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: stable/11/sbin/nvmecontrol/logpage.c 330449 2018-03-05 07:26:05Z eadler $");
34
35#include <sys/param.h>
36#include <sys/ioccom.h>
37
38#include <ctype.h>
39#include <err.h>
40#include <fcntl.h>
41#include <stdbool.h>
42#include <stddef.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include <string.h>
46#include <unistd.h>
47#include <sys/endian.h>
48
49#if _BYTE_ORDER != _LITTLE_ENDIAN
50#error "Code only works on little endian machines"
51#endif
52
53#include "nvmecontrol.h"
54
55#define DEFAULT_SIZE	(4096)
56#define MAX_FW_SLOTS	(7)
57
58typedef void (*print_fn_t)(const struct nvme_controller_data *cdata, void *buf, uint32_t size);
59
60struct kv_name
61{
62	uint32_t key;
63	const char *name;
64};
65
66static const char *
67kv_lookup(const struct kv_name *kv, size_t kv_count, uint32_t key)
68{
69	static char bad[32];
70	size_t i;
71
72	for (i = 0; i < kv_count; i++, kv++)
73		if (kv->key == key)
74			return kv->name;
75	snprintf(bad, sizeof(bad), "Attribute %#x", key);
76	return bad;
77}
78
79static void
80print_log_hex(const struct nvme_controller_data *cdata __unused, void *data, uint32_t length)
81{
82
83	print_hex(data, length);
84}
85
86static void
87print_bin(const struct nvme_controller_data *cdata __unused, void *data, uint32_t length)
88{
89
90	write(STDOUT_FILENO, data, length);
91}
92
93static void *
94get_log_buffer(uint32_t size)
95{
96	void	*buf;
97
98	if ((buf = malloc(size)) == NULL)
99		errx(1, "unable to malloc %u bytes", size);
100
101	memset(buf, 0, size);
102	return (buf);
103}
104
105void
106read_logpage(int fd, uint8_t log_page, int nsid, void *payload,
107    uint32_t payload_size)
108{
109	struct nvme_pt_command	pt;
110
111	memset(&pt, 0, sizeof(pt));
112	pt.cmd.opc = NVME_OPC_GET_LOG_PAGE;
113	pt.cmd.nsid = nsid;
114	pt.cmd.cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
115	pt.cmd.cdw10 |= log_page;
116	pt.buf = payload;
117	pt.len = payload_size;
118	pt.is_read = 1;
119
120	if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
121		err(1, "get log page request failed");
122
123	if (nvme_completion_is_error(&pt.cpl))
124		errx(1, "get log page request returned error");
125}
126
127static void
128print_log_error(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
129{
130	int					i, nentries;
131	struct nvme_error_information_entry	*entry = buf;
132	struct nvme_status			*status;
133
134	printf("Error Information Log\n");
135	printf("=====================\n");
136
137	if (entry->error_count == 0) {
138		printf("No error entries found\n");
139		return;
140	}
141
142	nentries = size/sizeof(struct nvme_error_information_entry);
143	for (i = 0; i < nentries; i++, entry++) {
144		if (entry->error_count == 0)
145			break;
146
147		status = &entry->status;
148		printf("Entry %02d\n", i + 1);
149		printf("=========\n");
150		printf(" Error count:          %ju\n", entry->error_count);
151		printf(" Submission queue ID:  %u\n", entry->sqid);
152		printf(" Command ID:           %u\n", entry->cid);
153		/* TODO: Export nvme_status_string structures from kernel? */
154		printf(" Status:\n");
155		printf("  Phase tag:           %d\n", status->p);
156		printf("  Status code:         %d\n", status->sc);
157		printf("  Status code type:    %d\n", status->sct);
158		printf("  More:                %d\n", status->m);
159		printf("  DNR:                 %d\n", status->dnr);
160		printf(" Error location:       %u\n", entry->error_location);
161		printf(" LBA:                  %ju\n", entry->lba);
162		printf(" Namespace ID:         %u\n", entry->nsid);
163		printf(" Vendor specific info: %u\n", entry->vendor_specific);
164	}
165}
166
167static void
168print_temp(uint16_t t)
169{
170	printf("%u K, %2.2f C, %3.2f F\n", t, (float)t - 273.15, (float)t * 9 / 5 - 459.67);
171}
172
173
174static void
175print_log_health(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
176{
177	struct nvme_health_information_page *health = buf;
178	char cbuf[UINT128_DIG + 1];
179	int i;
180
181	printf("SMART/Health Information Log\n");
182	printf("============================\n");
183
184	printf("Critical Warning State:         0x%02x\n",
185	    health->critical_warning.raw);
186	printf(" Available spare:               %d\n",
187	    health->critical_warning.bits.available_spare);
188	printf(" Temperature:                   %d\n",
189	    health->critical_warning.bits.temperature);
190	printf(" Device reliability:            %d\n",
191	    health->critical_warning.bits.device_reliability);
192	printf(" Read only:                     %d\n",
193	    health->critical_warning.bits.read_only);
194	printf(" Volatile memory backup:        %d\n",
195	    health->critical_warning.bits.volatile_memory_backup);
196	printf("Temperature:                    ");
197	print_temp(health->temperature);
198	printf("Available spare:                %u\n",
199	    health->available_spare);
200	printf("Available spare threshold:      %u\n",
201	    health->available_spare_threshold);
202	printf("Percentage used:                %u\n",
203	    health->percentage_used);
204
205	printf("Data units (512,000 byte) read: %s\n",
206	    uint128_to_str(to128(health->data_units_read), cbuf, sizeof(cbuf)));
207	printf("Data units written:             %s\n",
208	    uint128_to_str(to128(health->data_units_written), cbuf, sizeof(cbuf)));
209	printf("Host read commands:             %s\n",
210	    uint128_to_str(to128(health->host_read_commands), cbuf, sizeof(cbuf)));
211	printf("Host write commands:            %s\n",
212	    uint128_to_str(to128(health->host_write_commands), cbuf, sizeof(cbuf)));
213	printf("Controller busy time (minutes): %s\n",
214	    uint128_to_str(to128(health->controller_busy_time), cbuf, sizeof(cbuf)));
215	printf("Power cycles:                   %s\n",
216	    uint128_to_str(to128(health->power_cycles), cbuf, sizeof(cbuf)));
217	printf("Power on hours:                 %s\n",
218	    uint128_to_str(to128(health->power_on_hours), cbuf, sizeof(cbuf)));
219	printf("Unsafe shutdowns:               %s\n",
220	    uint128_to_str(to128(health->unsafe_shutdowns), cbuf, sizeof(cbuf)));
221	printf("Media errors:                   %s\n",
222	    uint128_to_str(to128(health->media_errors), cbuf, sizeof(cbuf)));
223	printf("No. error info log entries:     %s\n",
224	    uint128_to_str(to128(health->num_error_info_log_entries), cbuf, sizeof(cbuf)));
225
226	printf("Warning Temp Composite Time:    %d\n", health->warning_temp_time);
227	printf("Error Temp Composite Time:      %d\n", health->error_temp_time);
228	for (i = 0; i < 7; i++) {
229		if (health->temp_sensor[i] == 0)
230			continue;
231		printf("Temperature Sensor %d:           ", i + 1);
232		print_temp(health->temp_sensor[i]);
233	}
234}
235
236static void
237print_log_firmware(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
238{
239	int				i, slots;
240	const char			*status;
241	struct nvme_firmware_page	*fw = buf;
242
243	printf("Firmware Slot Log\n");
244	printf("=================\n");
245
246	if (cdata->oacs.firmware == 0)
247		slots = 1;
248	else
249		slots = MIN(cdata->frmw.num_slots, MAX_FW_SLOTS);
250
251	for (i = 0; i < slots; i++) {
252		printf("Slot %d: ", i + 1);
253		if (fw->afi.slot == i + 1)
254			status = "  Active";
255		else
256			status = "Inactive";
257
258		if (fw->revision[i] == 0LLU)
259			printf("Empty\n");
260		else
261			if (isprint(*(char *)&fw->revision[i]))
262				printf("[%s] %.8s\n", status,
263				    (char *)&fw->revision[i]);
264			else
265				printf("[%s] %016jx\n", status,
266				    fw->revision[i]);
267	}
268}
269
270/*
271 * Intel specific log pages from
272 * http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/ssd-dc-p3700-spec.pdf
273 *
274 * Though the version as of this date has a typo for the size of log page 0xca,
275 * offset 147: it is only 1 byte, not 6.
276 */
277static void
278print_intel_temp_stats(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
279{
280	struct intel_log_temp_stats	*temp = buf;
281
282	printf("Intel Temperature Log\n");
283	printf("=====================\n");
284
285	printf("Current:                        ");
286	print_temp(temp->current);
287	printf("Overtemp Last Flags             %#jx\n", (uintmax_t)temp->overtemp_flag_last);
288	printf("Overtemp Lifetime Flags         %#jx\n", (uintmax_t)temp->overtemp_flag_life);
289	printf("Max Temperature                 ");
290	print_temp(temp->max_temp);
291	printf("Min Temperature                 ");
292	print_temp(temp->min_temp);
293	printf("Max Operating Temperature       ");
294	print_temp(temp->max_oper_temp);
295	printf("Min Operating Temperature       ");
296	print_temp(temp->min_oper_temp);
297	printf("Estimated Temperature Offset:   %ju C/K\n", (uintmax_t)temp->est_offset);
298}
299
300/*
301 * Format from Table 22, section 5.7 IO Command Latency Statistics.
302 * Read and write stats pages have identical encoding.
303 */
304static void
305print_intel_read_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
306{
307	const char *walker = buf;
308	int i;
309
310	printf("Major:                         %d\n", le16dec(walker + 0));
311	printf("Minor:                         %d\n", le16dec(walker + 2));
312	for (i = 0; i < 32; i++)
313		printf("%4dus-%4dus:                 %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 4 + i * 4));
314	for (i = 1; i < 32; i++)
315		printf("%4dms-%4dms:                 %ju\n", i, i + 1, (uintmax_t)le32dec(walker + 132 + i * 4));
316	for (i = 1; i < 32; i++)
317		printf("%4dms-%4dms:                 %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 256 + i * 4));
318}
319
320static void
321print_intel_read_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
322{
323
324	printf("Intel Read Latency Log\n");
325	printf("======================\n");
326	print_intel_read_write_lat_log(cdata, buf, size);
327}
328
329static void
330print_intel_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
331{
332
333	printf("Intel Write Latency Log\n");
334	printf("=======================\n");
335	print_intel_read_write_lat_log(cdata, buf, size);
336}
337
338/*
339 * Table 19. 5.4 SMART Attributes. Samsung also implements this and some extra data not documented.
340 */
341static void
342print_intel_add_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
343{
344	uint8_t *walker = buf;
345	uint8_t *end = walker + 150;
346	const char *name;
347	uint64_t raw;
348	uint8_t normalized;
349
350	static struct kv_name kv[] =
351	{
352		{ 0xab, "Program Fail Count" },
353		{ 0xac, "Erase Fail Count" },
354		{ 0xad, "Wear Leveling Count" },
355		{ 0xb8, "End to End Error Count" },
356		{ 0xc7, "CRC Error Count" },
357		{ 0xe2, "Timed: Media Wear" },
358		{ 0xe3, "Timed: Host Read %" },
359		{ 0xe4, "Timed: Elapsed Time" },
360		{ 0xea, "Thermal Throttle Status" },
361		{ 0xf0, "Retry Buffer Overflows" },
362		{ 0xf3, "PLL Lock Loss Count" },
363		{ 0xf4, "NAND Bytes Written" },
364		{ 0xf5, "Host Bytes Written" },
365	};
366
367	printf("Additional SMART Data Log\n");
368	printf("=========================\n");
369	/*
370	 * walker[0] = Key
371	 * walker[1,2] = reserved
372	 * walker[3] = Normalized Value
373	 * walker[4] = reserved
374	 * walker[5..10] = Little Endian Raw value
375	 *	(or other represenations)
376	 * walker[11] = reserved
377	 */
378	while (walker < end) {
379		name = kv_lookup(kv, nitems(kv), *walker);
380		normalized = walker[3];
381		raw = le48dec(walker + 5);
382		switch (*walker){
383		case 0:
384			break;
385		case 0xad:
386			printf("%-32s: %3d min: %u max: %u ave: %u\n", name, normalized,
387			    le16dec(walker + 5), le16dec(walker + 7), le16dec(walker + 9));
388			break;
389		case 0xe2:
390			printf("%-32s: %3d %.3f%%\n", name, normalized, raw / 1024.0);
391			break;
392		case 0xea:
393			printf("%-32s: %3d %d%% %d times\n", name, normalized, walker[5], le32dec(walker+6));
394			break;
395		default:
396			printf("%-32s: %3d %ju\n", name, normalized, (uintmax_t)raw);
397			break;
398		}
399		walker += 12;
400	}
401}
402
403/*
404 * HGST's 0xc1 page. This is a grab bag of additional data. Please see
405 * https://www.hgst.com/sites/default/files/resources/US_SN150_ProdManual.pdf
406 * https://www.hgst.com/sites/default/files/resources/US_SN100_ProdManual.pdf
407 * Appendix A for details
408 */
409
410typedef void (*subprint_fn_t)(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
411
412struct subpage_print
413{
414	uint16_t key;
415	subprint_fn_t fn;
416};
417
418static void print_hgst_info_write_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
419static void print_hgst_info_read_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
420static void print_hgst_info_verify_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
421static void print_hgst_info_self_test(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
422static void print_hgst_info_background_scan(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
423static void print_hgst_info_erase_errors(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
424static void print_hgst_info_erase_counts(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
425static void print_hgst_info_temp_history(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
426static void print_hgst_info_ssd_perf(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
427static void print_hgst_info_firmware_load(void *buf, uint16_t subtype, uint8_t res, uint32_t size);
428
429static struct subpage_print hgst_subpage[] = {
430	{ 0x02, print_hgst_info_write_errors },
431	{ 0x03, print_hgst_info_read_errors },
432	{ 0x05, print_hgst_info_verify_errors },
433	{ 0x10, print_hgst_info_self_test },
434	{ 0x15, print_hgst_info_background_scan },
435	{ 0x30, print_hgst_info_erase_errors },
436	{ 0x31, print_hgst_info_erase_counts },
437	{ 0x32, print_hgst_info_temp_history },
438	{ 0x37, print_hgst_info_ssd_perf },
439	{ 0x38, print_hgst_info_firmware_load },
440};
441
442/* Print a subpage that is basically just key value pairs */
443static void
444print_hgst_info_subpage_gen(void *buf, uint16_t subtype __unused, uint32_t size,
445    const struct kv_name *kv, size_t kv_count)
446{
447	uint8_t *wsp, *esp;
448	uint16_t ptype;
449	uint8_t plen;
450	uint64_t param;
451	int i;
452
453	wsp = buf;
454	esp = wsp + size;
455	while (wsp < esp) {
456		ptype = le16dec(wsp);
457		wsp += 2;
458		wsp++;			/* Flags, just ignore */
459		plen = *wsp++;
460		param = 0;
461		for (i = 0; i < plen; i++)
462			param |= (uint64_t)*wsp++ << (i * 8);
463		printf("  %-30s: %jd\n", kv_lookup(kv, kv_count, ptype), (uintmax_t)param);
464	}
465}
466
467static void
468print_hgst_info_write_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
469{
470	static struct kv_name kv[] =
471	{
472		{ 0x0000, "Corrected Without Delay" },
473		{ 0x0001, "Corrected Maybe Delayed" },
474		{ 0x0002, "Re-Writes" },
475		{ 0x0003, "Errors Corrected" },
476		{ 0x0004, "Correct Algorithm Used" },
477		{ 0x0005, "Bytes Processed" },
478		{ 0x0006, "Uncorrected Errors" },
479		{ 0x8000, "Flash Write Commands" },
480		{ 0x8001, "HGST Special" },
481	};
482
483	printf("Write Errors Subpage:\n");
484	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
485}
486
487static void
488print_hgst_info_read_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
489{
490	static struct kv_name kv[] =
491	{
492		{ 0x0000, "Corrected Without Delay" },
493		{ 0x0001, "Corrected Maybe Delayed" },
494		{ 0x0002, "Re-Reads" },
495		{ 0x0003, "Errors Corrected" },
496		{ 0x0004, "Correct Algorithm Used" },
497		{ 0x0005, "Bytes Processed" },
498		{ 0x0006, "Uncorrected Errors" },
499		{ 0x8000, "Flash Read Commands" },
500		{ 0x8001, "XOR Recovered" },
501		{ 0x8002, "Total Corrected Bits" },
502	};
503
504	printf("Read Errors Subpage:\n");
505	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
506}
507
508static void
509print_hgst_info_verify_errors(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
510{
511	static struct kv_name kv[] =
512	{
513		{ 0x0000, "Corrected Without Delay" },
514		{ 0x0001, "Corrected Maybe Delayed" },
515		{ 0x0002, "Re-Reads" },
516		{ 0x0003, "Errors Corrected" },
517		{ 0x0004, "Correct Algorithm Used" },
518		{ 0x0005, "Bytes Processed" },
519		{ 0x0006, "Uncorrected Errors" },
520		{ 0x8000, "Commands Processed" },
521	};
522
523	printf("Verify Errors Subpage:\n");
524	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
525}
526
527static void
528print_hgst_info_self_test(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
529{
530	size_t i;
531	uint8_t *walker = buf;
532	uint16_t code, hrs;
533	uint32_t lba;
534
535	printf("Self Test Subpage:\n");
536	for (i = 0; i < size / 20; i++) {	/* Each entry is 20 bytes */
537		code = le16dec(walker);
538		walker += 2;
539		walker++;			/* Ignore fixed flags */
540		if (*walker == 0)		/* Last entry is zero length */
541			break;
542		if (*walker++ != 0x10) {
543			printf("Bad length for self test report\n");
544			return;
545		}
546		printf("  %-30s: %d\n", "Recent Test", code);
547		printf("    %-28s: %#x\n", "Self-Test Results", *walker & 0xf);
548		printf("    %-28s: %#x\n", "Self-Test Code", (*walker >> 5) & 0x7);
549		walker++;
550		printf("    %-28s: %#x\n", "Self-Test Number", *walker++);
551		hrs = le16dec(walker);
552		walker += 2;
553		lba = le32dec(walker);
554		walker += 4;
555		printf("    %-28s: %u\n", "Total Power On Hrs", hrs);
556		printf("    %-28s: %#jx (%jd)\n", "LBA", (uintmax_t)lba, (uintmax_t)lba);
557		printf("    %-28s: %#x\n", "Sense Key", *walker++ & 0xf);
558		printf("    %-28s: %#x\n", "Additional Sense Code", *walker++);
559		printf("    %-28s: %#x\n", "Additional Sense Qualifier", *walker++);
560		printf("    %-28s: %#x\n", "Vendor Specific Detail", *walker++);
561	}
562}
563
564static void
565print_hgst_info_background_scan(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
566{
567	uint8_t *walker = buf;
568	uint8_t status;
569	uint16_t code, nscan, progress;
570	uint32_t pom, nand;
571
572	printf("Background Media Scan Subpage:\n");
573	/* Decode the header */
574	code = le16dec(walker);
575	walker += 2;
576	walker++;			/* Ignore fixed flags */
577	if (*walker++ != 0x10) {
578		printf("Bad length for background scan header\n");
579		return;
580	}
581	if (code != 0) {
582		printf("Expceted code 0, found code %#x\n", code);
583		return;
584	}
585	pom = le32dec(walker);
586	walker += 4;
587	walker++;			/* Reserved */
588	status = *walker++;
589	nscan = le16dec(walker);
590	walker += 2;
591	progress = le16dec(walker);
592	walker += 2;
593	walker += 6;			/* Reserved */
594	printf("  %-30s: %d\n", "Power On Minutes", pom);
595	printf("  %-30s: %x (%s)\n", "BMS Status", status,
596	    status == 0 ? "idle" : (status == 1 ? "active" : (status == 8 ? "suspended" : "unknown")));
597	printf("  %-30s: %d\n", "Number of BMS", nscan);
598	printf("  %-30s: %d\n", "Progress Current BMS", progress);
599	/* Report retirements */
600	if (walker - (uint8_t *)buf != 20) {
601		printf("Coding error, offset not 20\n");
602		return;
603	}
604	size -= 20;
605	printf("  %-30s: %d\n", "BMS retirements", size / 0x18);
606	while (size > 0) {
607		code = le16dec(walker);
608		walker += 2;
609		walker++;
610		if (*walker++ != 0x14) {
611			printf("Bad length parameter\n");
612			return;
613		}
614		pom = le32dec(walker);
615		walker += 4;
616		/*
617		 * Spec sheet says the following are hard coded, if true, just
618		 * print the NAND retirement.
619		 */
620		if (walker[0] == 0x41 &&
621		    walker[1] == 0x0b &&
622		    walker[2] == 0x01 &&
623		    walker[3] == 0x00 &&
624		    walker[4] == 0x00 &&
625		    walker[5] == 0x00 &&
626		    walker[6] == 0x00 &&
627		    walker[7] == 0x00) {
628			walker += 8;
629			walker += 4;	/* Skip reserved */
630			nand = le32dec(walker);
631			walker += 4;
632			printf("  %-30s: %d\n", "Retirement number", code);
633			printf("    %-28s: %#x\n", "NAND (C/T)BBBPPP", nand);
634		} else {
635			printf("Parameter %#x entry corrupt\n", code);
636			walker += 16;
637		}
638	}
639}
640
641static void
642print_hgst_info_erase_errors(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size)
643{
644	static struct kv_name kv[] =
645	{
646		{ 0x0000, "Corrected Without Delay" },
647		{ 0x0001, "Corrected Maybe Delayed" },
648		{ 0x0002, "Re-Erase" },
649		{ 0x0003, "Errors Corrected" },
650		{ 0x0004, "Correct Algorithm Used" },
651		{ 0x0005, "Bytes Processed" },
652		{ 0x0006, "Uncorrected Errors" },
653		{ 0x8000, "Flash Erase Commands" },
654		{ 0x8001, "Mfg Defect Count" },
655		{ 0x8002, "Grown Defect Count" },
656		{ 0x8003, "Erase Count -- User" },
657		{ 0x8004, "Erase Count -- System" },
658	};
659
660	printf("Erase Errors Subpage:\n");
661	print_hgst_info_subpage_gen(buf, subtype, size, kv, nitems(kv));
662}
663
664static void
665print_hgst_info_erase_counts(void *buf, uint16_t subtype, uint8_t res __unused, uint32_t size)
666{
667	/* My drive doesn't export this -- so not coding up */
668	printf("XXX: Erase counts subpage: %p, %#x %d\n", buf, subtype, size);
669}
670
671static void
672print_hgst_info_temp_history(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size __unused)
673{
674	uint8_t *walker = buf;
675	uint32_t min;
676
677	printf("Temperature History:\n");
678	printf("  %-30s: %d C\n", "Current Temperature", *walker++);
679	printf("  %-30s: %d C\n", "Reference Temperature", *walker++);
680	printf("  %-30s: %d C\n", "Maximum Temperature", *walker++);
681	printf("  %-30s: %d C\n", "Minimum Temperature", *walker++);
682	min = le32dec(walker);
683	walker += 4;
684	printf("  %-30s: %d:%02d:00\n", "Max Temperature Time", min / 60, min % 60);
685	min = le32dec(walker);
686	walker += 4;
687	printf("  %-30s: %d:%02d:00\n", "Over Temperature Duration", min / 60, min % 60);
688	min = le32dec(walker);
689	walker += 4;
690	printf("  %-30s: %d:%02d:00\n", "Min Temperature Time", min / 60, min % 60);
691}
692
693static void
694print_hgst_info_ssd_perf(void *buf, uint16_t subtype __unused, uint8_t res, uint32_t size __unused)
695{
696	uint8_t *walker = buf;
697	uint64_t val;
698
699	printf("SSD Performance Subpage Type %d:\n", res);
700	val = le64dec(walker);
701	walker += 8;
702	printf("  %-30s: %ju\n", "Host Read Commands", val);
703	val = le64dec(walker);
704	walker += 8;
705	printf("  %-30s: %ju\n", "Host Read Blocks", val);
706	val = le64dec(walker);
707	walker += 8;
708	printf("  %-30s: %ju\n", "Host Cache Read Hits Commands", val);
709	val = le64dec(walker);
710	walker += 8;
711	printf("  %-30s: %ju\n", "Host Cache Read Hits Blocks", val);
712	val = le64dec(walker);
713	walker += 8;
714	printf("  %-30s: %ju\n", "Host Read Commands Stalled", val);
715	val = le64dec(walker);
716	walker += 8;
717	printf("  %-30s: %ju\n", "Host Write Commands", val);
718	val = le64dec(walker);
719	walker += 8;
720	printf("  %-30s: %ju\n", "Host Write Blocks", val);
721	val = le64dec(walker);
722	walker += 8;
723	printf("  %-30s: %ju\n", "Host Write Odd Start Commands", val);
724	val = le64dec(walker);
725	walker += 8;
726	printf("  %-30s: %ju\n", "Host Write Odd End Commands", val);
727	val = le64dec(walker);
728	walker += 8;
729	printf("  %-30s: %ju\n", "Host Write Commands Stalled", val);
730	val = le64dec(walker);
731	walker += 8;
732	printf("  %-30s: %ju\n", "NAND Read Commands", val);
733	val = le64dec(walker);
734	walker += 8;
735	printf("  %-30s: %ju\n", "NAND Read Blocks", val);
736	val = le64dec(walker);
737	walker += 8;
738	printf("  %-30s: %ju\n", "NAND Write Commands", val);
739	val = le64dec(walker);
740	walker += 8;
741	printf("  %-30s: %ju\n", "NAND Write Blocks", val);
742	val = le64dec(walker);
743	walker += 8;
744	printf("  %-30s: %ju\n", "NAND Read Before Writes", val);
745}
746
747static void
748print_hgst_info_firmware_load(void *buf, uint16_t subtype __unused, uint8_t res __unused, uint32_t size __unused)
749{
750	uint8_t *walker = buf;
751
752	printf("Firmware Load Subpage:\n");
753	printf("  %-30s: %d\n", "Firmware Downloads", le32dec(walker));
754}
755
756static void
757kv_indirect(void *buf, uint32_t subtype, uint8_t res, uint32_t size, struct subpage_print *sp, size_t nsp)
758{
759	size_t i;
760
761	for (i = 0; i < nsp; i++, sp++) {
762		if (sp->key == subtype) {
763			sp->fn(buf, subtype, res, size);
764			return;
765		}
766	}
767	printf("No handler for page type %x\n", subtype);
768}
769
770static void
771print_hgst_info_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
772{
773	uint8_t	*walker, *end, *subpage;
774	int pages;
775	uint16_t len;
776	uint8_t subtype, res;
777
778	printf("HGST Extra Info Log\n");
779	printf("===================\n");
780
781	walker = buf;
782	pages = *walker++;
783	walker++;
784	len = le16dec(walker);
785	walker += 2;
786	end = walker + len;		/* Length is exclusive of this header */
787
788	while (walker < end) {
789		subpage = walker + 4;
790		subtype = *walker++ & 0x3f;	/* subtype */
791		res = *walker++;		/* Reserved */
792		len = le16dec(walker);
793		walker += len + 2;		/* Length, not incl header */
794		if (walker > end) {
795			printf("Ooops! Off the end of the list\n");
796			break;
797		}
798		kv_indirect(subpage, subtype, res, len, hgst_subpage, nitems(hgst_subpage));
799	}
800}
801
802/*
803 * Table of log page printer / sizing.
804 *
805 * This includes Intel specific pages that are widely implemented.
806 * Make sure you keep all the pages of one vendor together so -v help
807 * lists all the vendors pages.
808 */
809static struct logpage_function {
810	uint8_t		log_page;
811	const char     *vendor;
812	const char     *name;
813	print_fn_t	print_fn;
814	size_t		size;
815} logfuncs[] = {
816	{NVME_LOG_ERROR,		NULL,	"Drive Error Log",
817	 print_log_error,		0},
818	{NVME_LOG_HEALTH_INFORMATION,	NULL,	"Health/SMART Data",
819	 print_log_health,		sizeof(struct nvme_health_information_page)},
820	{NVME_LOG_FIRMWARE_SLOT,	NULL,	"Firmware Information",
821	 print_log_firmware,		sizeof(struct nvme_firmware_page)},
822	{HGST_INFO_LOG,			"hgst",	"Detailed Health/SMART",
823	 print_hgst_info_log,		DEFAULT_SIZE},
824	{HGST_INFO_LOG,			"wds",	"Detailed Health/SMART",
825	 print_hgst_info_log,		DEFAULT_SIZE},
826	{INTEL_LOG_TEMP_STATS,		"intel", "Temperature Stats",
827	 print_intel_temp_stats,	sizeof(struct intel_log_temp_stats)},
828	{INTEL_LOG_READ_LAT_LOG,	"intel", "Read Latencies",
829	 print_intel_read_lat_log,	DEFAULT_SIZE},
830	{INTEL_LOG_WRITE_LAT_LOG,	"intel", "Write Latencies",
831	 print_intel_write_lat_log,	DEFAULT_SIZE},
832	{INTEL_LOG_ADD_SMART,		"intel", "Extra Health/SMART Data",
833	 print_intel_add_smart,		DEFAULT_SIZE},
834	{INTEL_LOG_ADD_SMART,		"samsung", "Extra Health/SMART Data",
835	 print_intel_add_smart,		DEFAULT_SIZE},
836
837	{0, NULL, NULL, NULL, 0},
838};
839
840static void
841logpage_usage(void)
842{
843	fprintf(stderr, "usage:\n");
844	fprintf(stderr, LOGPAGE_USAGE);
845	exit(1);
846}
847
848static void
849logpage_help(void)
850{
851	struct logpage_function		*f;
852	const char 			*v;
853
854	fprintf(stderr, "\n");
855	fprintf(stderr, "%-8s %-10s %s\n", "Page", "Vendor","Page Name");
856	fprintf(stderr, "-------- ---------- ----------\n");
857	for (f = logfuncs; f->log_page > 0; f++) {
858		v = f->vendor == NULL ? "-" : f->vendor;
859		fprintf(stderr, "0x%02x     %-10s %s\n", f->log_page, v, f->name);
860	}
861
862	exit(1);
863}
864
865void
866logpage(int argc, char *argv[])
867{
868	int				fd, nsid;
869	int				log_page = 0, pageflag = false;
870	int				binflag = false, hexflag = false, ns_specified;
871	char				ch, *p;
872	char				cname[64];
873	uint32_t			size;
874	void				*buf;
875	const char			*vendor = NULL;
876	struct logpage_function		*f;
877	struct nvme_controller_data	cdata;
878	print_fn_t			print_fn;
879
880	while ((ch = getopt(argc, argv, "bp:xv:")) != -1) {
881		switch (ch) {
882		case 'b':
883			binflag = true;
884			break;
885		case 'p':
886			if (strcmp(optarg, "help") == 0)
887				logpage_help();
888
889			/* TODO: Add human-readable ASCII page IDs */
890			log_page = strtol(optarg, &p, 0);
891			if (p != NULL && *p != '\0') {
892				fprintf(stderr,
893				    "\"%s\" not valid log page id.\n",
894				    optarg);
895				logpage_usage();
896			}
897			pageflag = true;
898			break;
899		case 'x':
900			hexflag = true;
901			break;
902		case 'v':
903			if (strcmp(optarg, "help") == 0)
904				logpage_help();
905			vendor = optarg;
906			break;
907		}
908	}
909
910	if (!pageflag) {
911		printf("Missing page_id (-p).\n");
912		logpage_usage();
913	}
914
915	/* Check that a controller and/or namespace was specified. */
916	if (optind >= argc)
917		logpage_usage();
918
919	if (strstr(argv[optind], NVME_NS_PREFIX) != NULL) {
920		ns_specified = true;
921		parse_ns_str(argv[optind], cname, &nsid);
922		open_dev(cname, &fd, 1, 1);
923	} else {
924		ns_specified = false;
925		nsid = NVME_GLOBAL_NAMESPACE_TAG;
926		open_dev(argv[optind], &fd, 1, 1);
927	}
928
929	read_controller_data(fd, &cdata);
930
931	/*
932	 * The log page attribtues indicate whether or not the controller
933	 * supports the SMART/Health information log page on a per
934	 * namespace basis.
935	 */
936	if (ns_specified) {
937		if (log_page != NVME_LOG_HEALTH_INFORMATION)
938			errx(1, "log page %d valid only at controller level",
939			    log_page);
940		if (cdata.lpa.ns_smart == 0)
941			errx(1,
942			    "controller does not support per namespace "
943			    "smart/health information");
944	}
945
946	print_fn = print_log_hex;
947	size = DEFAULT_SIZE;
948	if (binflag)
949		print_fn = print_bin;
950	if (!binflag && !hexflag) {
951		/*
952		 * See if there is a pretty print function for the specified log
953		 * page.  If one isn't found, we just revert to the default
954		 * (print_hex). If there was a vendor specified bt the user, and
955		 * the page is vendor specific, don't match the print function
956		 * unless the vendors match.
957		 */
958		for (f = logfuncs; f->log_page > 0; f++) {
959			if (f->vendor != NULL && vendor != NULL &&
960			    strcmp(f->vendor, vendor) != 0)
961				continue;
962			if (log_page != f->log_page)
963				continue;
964			print_fn = f->print_fn;
965			size = f->size;
966			break;
967		}
968	}
969
970	if (log_page == NVME_LOG_ERROR) {
971		size = sizeof(struct nvme_error_information_entry);
972		size *= (cdata.elpe + 1);
973	}
974
975	/* Read the log page */
976	buf = get_log_buffer(size);
977	read_logpage(fd, log_page, nsid, buf, size);
978	print_fn(&cdata, buf, size);
979
980	close(fd);
981	exit(0);
982}
983