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intel.c
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Editing: intel.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2013 EMC Corp. * All rights reserved. * * Copyright (C) 2012-2013 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/ioccom.h> #include <ctype.h> #include <err.h> #include <fcntl.h> #include <stdbool.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/endian.h> #include "nvmecontrol.h" /* * Intel specific log pages from * http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/ssd-dc-p3700-spec.pdf * * Though the version as of this date has a typo for the size of log page 0xca, * offset 147: it is only 1 byte, not 6. */ static void print_intel_temp_stats(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused) { struct intel_log_temp_stats *temp = buf; printf("Intel Temperature Log\n"); printf("=====================\n"); printf("Current: "); print_temp(temp->current); printf("Overtemp Last Flags %#jx\n", (uintmax_t)temp->overtemp_flag_last); printf("Overtemp Lifetime Flags %#jx\n", (uintmax_t)temp->overtemp_flag_life); printf("Max Temperature "); print_temp(temp->max_temp); printf("Min Temperature "); print_temp(temp->min_temp); printf("Max Operating Temperature "); print_temp(temp->max_oper_temp); printf("Min Operating Temperature "); print_temp(temp->min_oper_temp); printf("Estimated Temperature Offset: %ju C/K\n", (uintmax_t)temp->est_offset); } /* * Format from Table 22, section 5.7 IO Command Latency Statistics. * Read and write stats pages have identical encoding. */ static void print_intel_read_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused) { const char *walker = buf; int i; printf("Major: %d\n", le16dec(walker + 0)); printf("Minor: %d\n", le16dec(walker + 2)); for (i = 0; i < 32; i++) printf("%4dus-%4dus: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 4 + i * 4)); for (i = 1; i < 32; i++) printf("%4dms-%4dms: %ju\n", i, i + 1, (uintmax_t)le32dec(walker + 132 + i * 4)); for (i = 1; i < 32; i++) printf("%4dms-%4dms: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 256 + i * 4)); } static void print_intel_read_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size) { printf("Intel Read Latency Log\n"); printf("======================\n"); print_intel_read_write_lat_log(cdata, buf, size); } static void print_intel_write_lat_log(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size) { printf("Intel Write Latency Log\n"); printf("=======================\n"); print_intel_read_write_lat_log(cdata, buf, size); } /* * Table 19. 5.4 SMART Attributes. Others also implement this and some extra data not documented. */ void print_intel_add_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused) { uint8_t *walker = buf; uint8_t *end = walker + 150; const char *name; uint64_t raw; uint8_t normalized; static struct kv_name kv[] = { { 0xab, "Program Fail Count" }, { 0xac, "Erase Fail Count" }, { 0xad, "Wear Leveling Count" }, { 0xb8, "End to End Error Count" }, { 0xc7, "CRC Error Count" }, { 0xe2, "Timed: Media Wear" }, { 0xe3, "Timed: Host Read %" }, { 0xe4, "Timed: Elapsed Time" }, { 0xea, "Thermal Throttle Status" }, { 0xf0, "Retry Buffer Overflows" }, { 0xf3, "PLL Lock Loss Count" }, { 0xf4, "NAND Bytes Written" }, { 0xf5, "Host Bytes Written" }, }; printf("Additional SMART Data Log\n"); printf("=========================\n"); /* * walker[0] = Key * walker[1,2] = reserved * walker[3] = Normalized Value * walker[4] = reserved * walker[5..10] = Little Endian Raw value * (or other represenations) * walker[11] = reserved */ while (walker < end) { name = kv_lookup(kv, nitems(kv), *walker); normalized = walker[3]; raw = le48dec(walker + 5); switch (*walker){ case 0: break; case 0xad: printf("%-32s: %3d min: %u max: %u ave: %u\n", name, normalized, le16dec(walker + 5), le16dec(walker + 7), le16dec(walker + 9)); break; case 0xe2: printf("%-32s: %3d %.3f%%\n", name, normalized, raw / 1024.0); break; case 0xea: printf("%-32s: %3d %d%% %d times\n", name, normalized, walker[5], le32dec(walker+6)); break; default: printf("%-32s: %3d %ju\n", name, normalized, (uintmax_t)raw); break; } walker += 12; } } NVME_LOGPAGE(intel_temp, INTEL_LOG_TEMP_STATS, "intel", "Temperature Stats", print_intel_temp_stats, sizeof(struct intel_log_temp_stats)); NVME_LOGPAGE(intel_rlat, INTEL_LOG_READ_LAT_LOG, "intel", "Read Latencies", print_intel_read_lat_log, DEFAULT_SIZE); NVME_LOGPAGE(intel_wlat, INTEL_LOG_WRITE_LAT_LOG, "intel", "Write Latencies", print_intel_write_lat_log, DEFAULT_SIZE); NVME_LOGPAGE(intel_smart, INTEL_LOG_ADD_SMART, "intel", "Extra Health/SMART Data", print_intel_add_smart, DEFAULT_SIZE);
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