2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 EMC Corp.
7 * Copyright (C) 2012-2013 Intel Corporation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/ioccom.h>
47 #include <sys/endian.h>
49 #include "nvmecontrol.h"
52 * Intel specific log pages from
53 * http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/ssd-dc-p3700-spec.pdf
55 * Though the version as of this date has a typo for the size of log page 0xca,
56 * offset 147: it is only 1 byte, not 6.
59 print_intel_temp_stats(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
61 struct intel_log_temp_stats *temp = buf;
63 printf("Intel Temperature Log\n");
64 printf("=====================\n");
67 print_temp(temp->current);
68 printf("Overtemp Last Flags %#jx\n", (uintmax_t)temp->overtemp_flag_last);
69 printf("Overtemp Lifetime Flags %#jx\n", (uintmax_t)temp->overtemp_flag_life);
70 printf("Max Temperature ");
71 print_temp(temp->max_temp);
72 printf("Min Temperature ");
73 print_temp(temp->min_temp);
74 printf("Max Operating Temperature ");
75 print_temp(temp->max_oper_temp);
76 printf("Min Operating Temperature ");
77 print_temp(temp->min_oper_temp);
78 printf("Estimated Temperature Offset: %ju C/K\n", (uintmax_t)temp->est_offset);
82 * Format from Table 22, section 5.7 IO Command Latency Statistics.
83 * Read and write stats pages have identical encoding.
86 print_intel_read_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
88 const char *walker = buf;
91 printf("Major: %d\n", le16dec(walker + 0));
92 printf("Minor: %d\n", le16dec(walker + 2));
93 for (i = 0; i < 32; i++)
94 printf("%4dus-%4dus: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 4 + i * 4));
95 for (i = 1; i < 32; i++)
96 printf("%4dms-%4dms: %ju\n", i, i + 1, (uintmax_t)le32dec(walker + 132 + i * 4));
97 for (i = 1; i < 32; i++)
98 printf("%4dms-%4dms: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 256 + i * 4));
102 print_intel_read_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
105 printf("Intel Read Latency Log\n");
106 printf("======================\n");
107 print_intel_read_write_lat_log(cdata, buf, size);
111 print_intel_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
114 printf("Intel Write Latency Log\n");
115 printf("=======================\n");
116 print_intel_read_write_lat_log(cdata, buf, size);
120 * Table 19. 5.4 SMART Attributes. Others also implement this and some extra data not documented.
123 print_intel_add_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
125 uint8_t *walker = buf;
126 uint8_t *end = walker + 150;
131 static struct kv_name kv[] =
133 { 0xab, "Program Fail Count" },
134 { 0xac, "Erase Fail Count" },
135 { 0xad, "Wear Leveling Count" },
136 { 0xb8, "End to End Error Count" },
137 { 0xc7, "CRC Error Count" },
138 { 0xe2, "Timed: Media Wear" },
139 { 0xe3, "Timed: Host Read %" },
140 { 0xe4, "Timed: Elapsed Time" },
141 { 0xea, "Thermal Throttle Status" },
142 { 0xf0, "Retry Buffer Overflows" },
143 { 0xf3, "PLL Lock Loss Count" },
144 { 0xf4, "NAND Bytes Written" },
145 { 0xf5, "Host Bytes Written" },
148 printf("Additional SMART Data Log\n");
149 printf("=========================\n");
152 * walker[1,2] = reserved
153 * walker[3] = Normalized Value
154 * walker[4] = reserved
155 * walker[5..10] = Little Endian Raw value
156 * (or other represenations)
157 * walker[11] = reserved
159 while (walker < end) {
160 name = kv_lookup(kv, nitems(kv), *walker);
161 normalized = walker[3];
162 raw = le48dec(walker + 5);
167 printf("%-32s: %3d min: %u max: %u ave: %u\n", name, normalized,
168 le16dec(walker + 5), le16dec(walker + 7), le16dec(walker + 9));
171 printf("%-32s: %3d %.3f%%\n", name, normalized, raw / 1024.0);
174 printf("%-32s: %3d %d%% %d times\n", name, normalized, walker[5], le32dec(walker+6));
177 printf("%-32s: %3d %ju\n", name, normalized, (uintmax_t)raw);
184 NVME_LOGPAGE(intel_temp,
185 INTEL_LOG_TEMP_STATS, "intel", "Temperature Stats",
186 print_intel_temp_stats, sizeof(struct intel_log_temp_stats));
187 NVME_LOGPAGE(intel_rlat,
188 INTEL_LOG_READ_LAT_LOG, "intel", "Read Latencies",
189 print_intel_read_lat_log, DEFAULT_SIZE);
190 NVME_LOGPAGE(intel_wlat,
191 INTEL_LOG_WRITE_LAT_LOG, "intel", "Write Latencies",
192 print_intel_write_lat_log, DEFAULT_SIZE);
193 NVME_LOGPAGE(intel_smart,
194 INTEL_LOG_ADD_SMART, "intel", "Extra Health/SMART Data",
195 print_intel_add_smart, DEFAULT_SIZE);