1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (C) 2022 Wanpeng Qian <wanpengqian@gmail.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/param.h>
29 #include <sys/ioccom.h>
30 
31 #include <ctype.h>
32 #include <err.h>
33 #include <fcntl.h>
34 #include <stdbool.h>
35 #include <stddef.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <sys/endian.h>
41 
42 #include "nvmecontrol.h"
43 
44 struct samsung_log_extended_smart
45 {
46 	uint8_t		kv[256];/* Key-Value pair */
47 	uint32_t	lwaf;	/* Lifetime Write Amplification */
48 	uint32_t	thwaf;	/* Trailing Hour Write Amplification Factor */
49 	uint64_t	luw[2];	/* Lifetime User Writes */
50 	uint64_t	lnw[2];	/* Lifetime NAND Writes */
51 	uint64_t	lur[2];	/* Lifetime User Reads */
52 	uint32_t	lrbc;	/* Lifetime Retired Block Count */
53 	uint16_t	ct;	/* Current Temperature */
54 	uint16_t	ch;	/* Capacitor Health */
55 	uint32_t	luurb;	/* Lifetime Unused Reserved Block */
56 	uint64_t	rrc;	/* Read Reclaim Count */
57 	uint64_t	lueccc;	/* Lifetime Uncorrectable ECC count */
58 	uint32_t	lurb;	/* Lifetime Used Reserved Block */
59 	uint64_t	poh[2];	/* Power on Hours */
60 	uint64_t	npoc[2];/* Normal Power Off Count */
61 	uint64_t	spoc[2];/* Sudden Power Off Count */
62 	uint32_t	pi;	/* Performance Indicator */
63 } __packed;
64 
65 static void
66 print_samsung_extended_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
67 {
68 	struct samsung_log_extended_smart *temp = buf;
69 	char cbuf[UINT128_DIG + 1];
70 	uint8_t *walker = buf;
71 	uint8_t *end = walker + 150;
72 	const char *name;
73 	uint64_t raw;
74 	uint8_t normalized;
75 
76 	static struct kv_name kv[] =
77 	{
78 		{ 0xab, "Lifetime Program Fail Count" },
79 		{ 0xac, "Lifetime Erase Fail Count" },
80 		{ 0xad, "Lifetime Wear Leveling Count" },
81 		{ 0xb8, "Lifetime End to End Error Count" },
82 		{ 0xc7, "Lifetime CRC Error Count" },
83 		{ 0xe2, "Media Wear %" },
84 		{ 0xe3, "Host Read %" },
85 		{ 0xe4, "Workload Timer" },
86 		{ 0xea, "Lifetime Thermal Throttle Status" },
87 		{ 0xf4, "Lifetime Phy Pages Written Count" },
88 		{ 0xf5, "Lifetime Data Units Written" },
89 	};
90 
91 	printf("Extended SMART Information\n");
92 	printf("=========================\n");
93 	/*
94 	 * walker[0] = Key
95 	 * walker[1,2] = reserved
96 	 * walker[3] = Normalized Value
97 	 * walker[4] = reserved
98 	 * walker[5..10] = Little Endian Raw value
99 	 *	(or other represenations)
100 	 * walker[11] = reserved
101 	 */
102 	while (walker < end) {
103 		name = kv_lookup(kv, nitems(kv), *walker);
104 		normalized = walker[3];
105 		raw = le48dec(walker + 5);
106 		switch (*walker){
107 		case 0:
108 			break;
109 		case 0xad:
110 			printf("%2X %-41s: %3d min: %u max: %u ave: %u\n",
111 			    le16dec(walker), name, normalized,
112 			    le16dec(walker + 5), le16dec(walker + 7), le16dec(walker + 9));
113 			break;
114 		case 0xe2:
115 			printf("%2X %-41s: %3d %.3f%%\n",
116 			    le16dec(walker), name, normalized,
117 			    raw / 1024.0);
118 			break;
119 		case 0xea:
120 			printf("%2X %-41s: %3d %d%% %d times\n",
121 			    le16dec(walker), name, normalized,
122 			    walker[5], le32dec(walker+6));
123 			break;
124 		default:
125 			printf("%2X %-41s: %3d %ju\n",
126 			    le16dec(walker), name, normalized,
127 			    (uintmax_t)raw);
128 			break;
129 		}
130 		walker += 12;
131 	}
132 
133 	printf("   Lifetime Write Amplification Factor      : %u\n", le32dec(&temp->lwaf));
134 	printf("   Trailing Hour Write Amplification Factor : %u\n", le32dec(&temp->thwaf));
135 	printf("   Lifetime User Writes                     : %s\n",
136 	    uint128_to_str(to128(temp->luw), cbuf, sizeof(cbuf)));
137 	printf("   Lifetime NAND Writes                     : %s\n",
138 	    uint128_to_str(to128(temp->lnw), cbuf, sizeof(cbuf)));
139 	printf("   Lifetime User Reads                      : %s\n",
140 	    uint128_to_str(to128(temp->lur), cbuf, sizeof(cbuf)));
141 	printf("   Lifetime Retired Block Count             : %u\n", le32dec(&temp->lrbc));
142 	printf("   Current Temperature                      : ");
143 	print_temp_K(le16dec(&temp->ct));
144 	printf("   Capacitor Health                         : %u\n", le16dec(&temp->ch));
145 	printf("   Reserved Erase Block Count               : %u\n", le32dec(&temp->luurb));
146 	printf("   Read Reclaim Count                       : %ju\n", (uintmax_t) le64dec(&temp->rrc));
147 	printf("   Lifetime Uncorrectable ECC Count         : %ju\n", (uintmax_t) le64dec(&temp->lueccc));
148 	printf("   Reallocated Block Count                  : %u\n", le32dec(&temp->lurb));
149 	printf("   Power on Hours                           : %s\n",
150 	    uint128_to_str(to128(temp->poh), cbuf, sizeof(cbuf)));
151 	printf("   Normal Power Off Count                   : %s\n",
152 	    uint128_to_str(to128(temp->npoc), cbuf, sizeof(cbuf)));
153 	printf("   Sudden Power Off Count                   : %s\n",
154 	    uint128_to_str(to128(temp->spoc), cbuf, sizeof(cbuf)));
155 	printf("   Performance Indicator                    : %u\n", le32dec(&temp->pi));
156 }
157 
158 #define SAMSUNG_LOG_EXTEND_SMART 0xca
159 
160 NVME_LOGPAGE(samsung_extended_smart,
161     SAMSUNG_LOG_EXTEND_SMART,		"samsung", "Extended SMART Information",
162     print_samsung_extended_smart,	DEFAULT_SIZE);
163