summaryrefslogtreecommitdiffstats
path: root/plugins/solidigm/solidigm-smart.c
blob: e3d468a6efb7626ad44aa844d292f30b7f01ec4a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2022 Solidigm.
 *
 * Author: leonardo.da.cunha@solidigm.com
 */

#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "common.h"
#include "nvme.h"
#include "libnvme.h"
#include "plugin.h"
#include "linux/types.h"
#include "nvme-print.h"

#include "solidigm-smart.h"
#include "solidigm-util.h"

struct __packed nvme_additional_smart_log_item {
	__u8			id;
	__u8			_kp[2];
	__u8			normalized;
	__u8			_np;
	union __packed {
		__u8		raw[6];
		struct __packed  wear_level {
			__le16	min;
			__le16	max;
			__le16	avg;
		} wear_level;
		struct __packed thermal_throttle {
			__u8	pct;
			__u32	count;
		} thermal_throttle;
	};
	__u8			_rp;
};

#define VU_SMART_PAGE_SIZE 512
#define VU_SMART_MAX_ITEMS (VU_SMART_PAGE_SIZE / sizeof(struct nvme_additional_smart_log_item))
struct vu_smart_log {
	struct nvme_additional_smart_log_item item[VU_SMART_MAX_ITEMS];
};

static char *id_to_name(__u8 id)
{
	switch (id) {
	case 0x0D:
		return "soft_ecc_error_rate";
	case 0x05:
		return "relocatable_sector_count";
	case 0xAB:
		return "program_fail_count";
	case 0xAC:
		return "erase_fail_count";
	case 0xAD:
		return "wear_leveling_count";
	case 0xAE:
		return "unexpected_power_loss";
	case 0xB8:
		return "e2e_error_detect_count";
	case 0xC7:
		return "crc_error_count";
	case 0xE2:
		return "media_wear_percentage";
	case 0xE3:
		return "host_reads";
	case 0xE4:
		return "timed_work_load";
	case 0xE5:
		return "read_commands_in_flight_counter";
	case 0xE6:
		return "write_commands_in_flight_counter";
	case 0xEA:
		return "thermal_throttle_status";
	case 0xF0:
		return "retry_buffer_overflow_counter";
	case 0xF3:
		return "pll_lock_loss_counter";
	case 0xF4:
		return "nand_bytes_written";
	case 0xF5:
		return "host_bytes_written";
	case 0xF6:
		return "host_context_wear_used";
	case 0xF7:
		return "performance_status_indicator";
	case 0xF8:
		return "media_bytes_read";
	case 0xF9:
		return "available_fw_downgrades";
	case 0xFA:
		return "host_read_collision_count";
	case 0xFB:
		return "host_write_collision_count";
	case 0xFC:
		return "xor_pass_count";
	case 0xFD:
		return "xor_fail_count";
	case 0xFE:
		return "xor_invoked_count";
	default:
		return "unknown";
	}
}

static void smart_log_item_print(struct nvme_additional_smart_log_item *item)
{
	if (!item->id)
		return;

	printf("%#x    %-45s  %3d         ",
		item->id, id_to_name(item->id), item->normalized);

	switch (item->id) {
	case 0xAD:
		printf("min: %u, max: %u, avg: %u\n",
			le16_to_cpu(item->wear_level.min),
			le16_to_cpu(item->wear_level.max),
			le16_to_cpu(item->wear_level.avg));
		return;
	case 0xEA:
		printf("%u%%, cnt: %u\n",
			item->thermal_throttle.pct,
			le32_to_cpu(item->thermal_throttle.count));
		return;
	default:
		printf("%"PRIu64"\n", int48_to_long(item->raw));
	}
}

static void smart_log_item_add_json(struct nvme_additional_smart_log_item *item, struct json_object *dev_stats)
{
	struct json_object *entry_stats = json_create_object();

	if (!item->id)
		return;

	json_object_add_value_int(entry_stats, "normalized", item->normalized);

	switch (item->id) {
	case 0xAD:
		json_object_add_value_int(entry_stats, "min", le16_to_cpu(item->wear_level.min));
		json_object_add_value_int(entry_stats, "max", le16_to_cpu(item->wear_level.max));
		json_object_add_value_int(entry_stats, "avg", le16_to_cpu(item->wear_level.avg));
		break;
	case 0xEA:
		json_object_add_value_int(entry_stats, "percentage", item->thermal_throttle.pct);
		json_object_add_value_int(entry_stats, "count", le32_to_cpu(item->thermal_throttle.count));
		break;
	default:
		json_object_add_value_int(entry_stats, "raw", int48_to_long(item->raw));
	}
	json_object_add_value_object(dev_stats, id_to_name(item->id), entry_stats);
}

static void vu_smart_log_show_json(struct vu_smart_log *payload, unsigned int nsid, const char *devname)
{
	struct json_object *dev_stats = json_create_object();
	struct nvme_additional_smart_log_item *item = payload->item;
	struct json_object *root;

	for (int i = 0; i < VU_SMART_MAX_ITEMS; i++)
		smart_log_item_add_json(&item[i], dev_stats);

	root = json_create_object();
	json_object_add_value_string(root, "Solidigm SMART log", devname);
	json_object_add_value_object(root, "Device stats", dev_stats);

	json_print_object(root, NULL);
	json_free_object(root);
}

static void vu_smart_log_show(struct vu_smart_log *payload, unsigned int nsid, const char *devname,
			      __u8 uuid_index)
{
	struct nvme_additional_smart_log_item *item = payload->item;

	printf("Additional Smart Log for NVMe device:%s namespace-id:%x UUID-idx:%d\n",
		devname, nsid, uuid_index);
	printf("ID             KEY                                 Normalized     Raw\n");

	for (int i = 0; i < VU_SMART_MAX_ITEMS; i++)
		smart_log_item_print(&item[i]);
}

int solidigm_get_additional_smart_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
{
	const char *desc =
	    "Get Solidigm vendor specific smart log (optionally, for the specified namespace), and show it.";
	const int solidigm_vu_smart_log_id = 0xCA;
	struct vu_smart_log smart_log_payload;
	enum nvme_print_flags flags;
	struct nvme_dev *dev;
	int err;
	__u8 uuid_index;

	struct config {
		__u32	namespace_id;
		char	*output_format;
	};

	struct config cfg = {
		.namespace_id	= NVME_NSID_ALL,
		.output_format	= "normal",
	};

	OPT_ARGS(opts) = {
		OPT_UINT("namespace-id",   'n', &cfg.namespace_id,   "(optional) desired namespace"),
		OPT_FMT("output-format",   'o', &cfg.output_format,  output_format),
		OPT_END()
	};

	err = parse_and_open(&dev, argc, argv, desc, opts);
	if (err)
		return err;

	flags = validate_output_format(cfg.output_format);
	if (flags == -EINVAL) {
		fprintf(stderr, "Invalid output format '%s'\n", cfg.output_format);
		dev_close(dev);
		return flags;
	}

	uuid_index = solidigm_get_vu_uuid_index(dev);

	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = &smart_log_payload,
		.args_size = sizeof(args),
		.fd = dev_fd(dev),
		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
		.lid = solidigm_vu_smart_log_id,
		.len = sizeof(smart_log_payload),
		.nsid = NVME_NSID_ALL,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = uuid_index,
		.rae = false,
		.ot = false,
	};

	err =  nvme_get_log(&args);
	if (!err) {
		if (flags & JSON)
			vu_smart_log_show_json(&smart_log_payload,
					       cfg.namespace_id, dev->name);
		else if (flags & BINARY)
			d_raw((unsigned char *)&smart_log_payload, sizeof(smart_log_payload));
		else
			vu_smart_log_show(&smart_log_payload, cfg.namespace_id,
					  dev->name, uuid_index);
	} else if (err > 0) {
		nvme_show_status(err);
	}

	/* Redundant close() to make static code analysis happy */
	close(dev->direct.fd);
	dev_close(dev);
	return err;
}