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// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (c) 2022 Meta Platforms, Inc.
*
* Authors: Arthur Shau <arthurshau@fb.com>,
* Wei Zhang <wzhang@fb.com>,
* Venkat Ramesh <venkatraghavan@fb.com>
*/
#include "ocp-smart-extended-log.h"
#include <errno.h>
#include <stdio.h>
#include "common.h"
#include "nvme-print.h"
/* C0 SCAO Log Page */
#define C0_SMART_CLOUD_ATTR_LEN 0x200
#define C0_SMART_CLOUD_ATTR_OPCODE 0xC0
#define C0_GUID_LENGTH 16
static __u8 scao_guid[C0_GUID_LENGTH] = {
0xC5, 0xAF, 0x10, 0x28,
0xEA, 0xBF, 0xF2, 0xA4,
0x9C, 0x4F, 0x6F, 0x7C,
0xC9, 0x14, 0xD5, 0xAF
};
enum {
SCAO_PMUW = 0, /* Physical media units written */
SCAO_PMUR = 16, /* Physical media units read */
SCAO_BUNBR = 32, /* Bad user nand blocks raw */
SCAO_BUNBN = 38, /* Bad user nand blocks normalized */
SCAO_BSNBR = 40, /* Bad system nand blocks raw */
SCAO_BSNBN = 46, /* Bad system nand blocks normalized */
SCAO_XRC = 48, /* XOR recovery count */
SCAO_UREC = 56, /* Uncorrectable read error count */
SCAO_SEEC = 64, /* Soft ecc error count */
SCAO_EEDC = 72, /* End to end detected errors */
SCAO_EECE = 76, /* End to end corrected errors */
SCAO_SDPU = 80, /* System data percent used */
SCAO_RFSC = 81, /* Refresh counts */
SCAO_MXUDEC = 88, /* Max User data erase counts */
SCAO_MNUDEC = 92, /* Min User data erase counts */
SCAO_NTTE = 96, /* Number of Thermal throttling events */
SCAO_CTS = 97, /* Current throttling status */
SCAO_EVF = 98, /* Errata Version Field */
SCAO_PVF = 99, /* Point Version Field */
SCAO_MIVF = 101, /* Minor Version Field */
SCAO_MAVF = 103, /* Major Version Field */
SCAO_PCEC = 104, /* PCIe correctable error count */
SCAO_ICS = 112, /* Incomplete shutdowns */
SCAO_PFB = 120, /* Percent free blocks */
SCAO_CPH = 128, /* Capacitor health */
SCAO_NEV = 130, /* NVMe Errata Version */
SCAO_UIO = 136, /* Unaligned I/O */
SCAO_SVN = 144, /* Security Version Number */
SCAO_NUSE = 152, /* NUSE - Namespace utilization */
SCAO_PSC = 160, /* PLP start count */
SCAO_EEST = 176, /* Endurance estimate */
SCAO_PLRC = 192, /* PCIe Link Retraining Count */
SCAO_PSCC = 200, /* Power State Change Count */
SCAO_LPV = 494, /* Log page version */
SCAO_LPG = 496, /* Log page GUID */
};
static void ocp_print_C0_log_normal(void *data)
{
uint16_t smart_log_ver = 0;
__u8 *log_data = data;
printf("SMART Cloud Attributes :-\n");
printf(" Physical media units written - %"PRIu64" %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUW + 8] & 0xFFFFFFFFFFFFFFFF),
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUW] & 0xFFFFFFFFFFFFFFFF));
printf(" Physical media units read - %"PRIu64" %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUR + 8] & 0xFFFFFFFFFFFFFFFF),
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUR] & 0xFFFFFFFFFFFFFFFF));
printf(" Bad user nand blocks - Raw %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_BUNBR] & 0x0000FFFFFFFFFFFF));
printf(" Bad user nand blocks - Normalized %d\n",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_BUNBN]));
printf(" Bad system nand blocks - Raw %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_BSNBR] & 0x0000FFFFFFFFFFFF));
printf(" Bad system nand blocks - Normalized %d\n",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_BSNBN]));
printf(" XOR recovery count %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_XRC]));
printf(" Uncorrectable read error count %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_UREC]));
printf(" Soft ecc error count %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_SEEC]));
printf(" End to end detected errors %"PRIu32"\n",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_EEDC]));
printf(" End to end corrected errors %"PRIu32"\n",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_EECE]));
printf(" System data percent used %d\n",
(__u8)log_data[SCAO_SDPU]);
printf(" Refresh counts %"PRIu64"\n",
(uint64_t)(le64_to_cpu(*(uint64_t *)&log_data[SCAO_RFSC]) & 0x00FFFFFFFFFFFFFF));
printf(" Max User data erase counts %"PRIu32"\n",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_MXUDEC]));
printf(" Min User data erase counts %"PRIu32"\n",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_MNUDEC]));
printf(" Number of Thermal throttling events %d\n",
(__u8)log_data[SCAO_NTTE]);
printf(" Current throttling status 0x%x\n",
(__u8)log_data[SCAO_CTS]);
printf(" PCIe correctable error count %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PCEC]));
printf(" Incomplete shutdowns %"PRIu32"\n",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_ICS]));
printf(" Percent free blocks %d\n",
(__u8)log_data[SCAO_PFB]);
printf(" Capacitor health %"PRIu16"\n",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_CPH]));
printf(" Unaligned I/O %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_UIO]));
printf(" Security Version Number %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_SVN]));
printf(" NUSE - Namespace utilization %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_NUSE]));
printf(" PLP start count %s\n",
uint128_t_to_string(le128_to_cpu(&log_data[SCAO_PSC])));
printf(" Endurance estimate %s\n",
uint128_t_to_string(le128_to_cpu(&log_data[SCAO_EEST])));
smart_log_ver = (uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_LPV]);
printf(" Log page version %"PRIu16"\n", smart_log_ver);
printf(" Log page GUID 0x");
printf("%"PRIx64"%"PRIx64"\n", (uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_LPG + 8]),
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_LPG]));
if (smart_log_ver > 2) {
printf(" Errata Version Field %d\n",
(__u8)log_data[SCAO_EVF]);
printf(" Point Version Field %"PRIu16"\n",
le16_to_cpu(*(uint16_t *)&log_data[SCAO_PVF]));
printf(" Minor Version Field %"PRIu16"\n",
le16_to_cpu(*(uint16_t *)&log_data[SCAO_MIVF]));
printf(" Major Version Field %d\n",
(__u8)log_data[SCAO_MAVF]);
printf(" NVMe Errata Version %d\n",
(__u8)log_data[SCAO_NEV]);
printf(" PCIe Link Retraining Count %"PRIu64"\n",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PLRC]));
printf(" Power State Change Count %"PRIu64"\n",
le64_to_cpu(*(uint64_t *)&log_data[SCAO_PSCC]));
}
printf("\n");
}
static void ocp_print_C0_log_json(void *data)
{
struct json_object *root;
struct json_object *pmuw;
struct json_object *pmur;
uint16_t smart_log_ver = 0;
__u8 *log_data = data;
char guid[40];
root = json_create_object();
pmuw = json_create_object();
pmur = json_create_object();
json_object_add_value_uint64(pmuw, "hi",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUW + 8] & 0xFFFFFFFFFFFFFFFF));
json_object_add_value_uint64(pmuw, "lo",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUW] & 0xFFFFFFFFFFFFFFFF));
json_object_add_value_object(root, "Physical media units written", pmuw);
json_object_add_value_uint64(pmur, "hi",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUR + 8] & 0xFFFFFFFFFFFFFFFF));
json_object_add_value_uint64(pmur, "lo",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PMUR] & 0xFFFFFFFFFFFFFFFF));
json_object_add_value_object(root, "Physical media units read", pmur);
json_object_add_value_uint64(root, "Bad user nand blocks - Raw",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_BUNBR] & 0x0000FFFFFFFFFFFF));
json_object_add_value_uint(root, "Bad user nand blocks - Normalized",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_BUNBN]));
json_object_add_value_uint64(root, "Bad system nand blocks - Raw",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_BSNBR] & 0x0000FFFFFFFFFFFF));
json_object_add_value_uint(root, "Bad system nand blocks - Normalized",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_BSNBN]));
json_object_add_value_uint64(root, "XOR recovery count",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_XRC]));
json_object_add_value_uint64(root, "Uncorrectable read error count",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_UREC]));
json_object_add_value_uint64(root, "Soft ecc error count",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_SEEC]));
json_object_add_value_uint(root, "End to end detected errors",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_EEDC]));
json_object_add_value_uint(root, "End to end corrected errors",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_EECE]));
json_object_add_value_uint(root, "System data percent used",
(__u8)log_data[SCAO_SDPU]);
json_object_add_value_uint64(root, "Refresh counts",
(uint64_t)(le64_to_cpu(*(uint64_t *)&log_data[SCAO_RFSC]) & 0x00FFFFFFFFFFFFFF));
json_object_add_value_uint(root, "Max User data erase counts",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_MXUDEC]));
json_object_add_value_uint(root, "Min User data erase counts",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_MNUDEC]));
json_object_add_value_uint(root, "Number of Thermal throttling events",
(__u8)log_data[SCAO_NTTE]);
json_object_add_value_uint(root, "Current throttling status",
(__u8)log_data[SCAO_CTS]);
json_object_add_value_uint64(root, "PCIe correctable error count",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PCEC]));
json_object_add_value_uint(root, "Incomplete shutdowns",
(uint32_t)le32_to_cpu(*(uint32_t *)&log_data[SCAO_ICS]));
json_object_add_value_uint(root, "Percent free blocks",
(__u8)log_data[SCAO_PFB]);
json_object_add_value_uint(root, "Capacitor health",
(uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_CPH]));
json_object_add_value_uint64(root, "Unaligned I/O",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_UIO]));
json_object_add_value_uint64(root, "Security Version Number",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_SVN]));
json_object_add_value_uint64(root, "NUSE - Namespace utilization",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_NUSE]));
json_object_add_value_uint128(root, "PLP start count",
le128_to_cpu(&log_data[SCAO_PSC]));
json_object_add_value_uint128(root, "Endurance estimate",
le128_to_cpu(&log_data[SCAO_EEST]));
smart_log_ver = (uint16_t)le16_to_cpu(*(uint16_t *)&log_data[SCAO_LPV]);
json_object_add_value_uint(root, "Log page version", smart_log_ver);
memset((void *)guid, 0, 40);
sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"", (uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_LPG + 8]),
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_LPG]));
json_object_add_value_string(root, "Log page GUID", guid);
if (smart_log_ver > 2) {
json_object_add_value_uint(root, "Errata Version Field",
(__u8)log_data[SCAO_EVF]);
json_object_add_value_uint(root, "Point Version Field",
le16_to_cpu(*(uint16_t *)&log_data[SCAO_PVF]));
json_object_add_value_uint(root, "Minor Version Field",
le16_to_cpu(*(uint16_t *)&log_data[SCAO_MIVF]));
json_object_add_value_uint(root, "Major Version Field",
(__u8)log_data[SCAO_MAVF]);
json_object_add_value_uint(root, "NVMe Errata Version",
(__u8)log_data[SCAO_NEV]);
json_object_add_value_uint(root, "PCIe Link Retraining Count",
(uint64_t)le64_to_cpu(*(uint64_t *)&log_data[SCAO_PLRC]));
json_object_add_value_uint(root, "Power State Change Count",
le64_to_cpu(*(uint64_t *)&log_data[SCAO_PSCC]));
}
json_print_object(root, NULL);
printf("\n");
json_free_object(root);
}
static int get_c0_log_page(int fd, char *format)
{
enum nvme_print_flags fmt;
__u8 *data;
int i;
int ret;
ret = validate_output_format(format, &fmt);
if (ret < 0) {
fprintf(stderr, "ERROR : OCP : invalid output format\n");
return ret;
}
data = malloc(sizeof(__u8) * C0_SMART_CLOUD_ATTR_LEN);
if (!data) {
fprintf(stderr, "ERROR : OCP : malloc : %s\n", strerror(errno));
return -1;
}
memset(data, 0, sizeof(__u8) * C0_SMART_CLOUD_ATTR_LEN);
ret = nvme_get_log_simple(fd, C0_SMART_CLOUD_ATTR_OPCODE,
C0_SMART_CLOUD_ATTR_LEN, data);
if (strcmp(format, "json"))
fprintf(stderr, "NVMe Status:%s(%x)\n",
nvme_status_to_string(ret, false), ret);
if (ret == 0) {
/* check log page guid */
/* Verify GUID matches */
for (i = 0; i < 16; i++) {
if (scao_guid[i] != data[SCAO_LPG + i]) {
int j;
fprintf(stderr, "ERROR : OCP : Unknown GUID in C0 Log Page data\n");
fprintf(stderr, "ERROR : OCP : Expected GUID: 0x");
for (j = 0; j < 16; j++)
fprintf(stderr, "%x", scao_guid[j]);
fprintf(stderr, "\nERROR : OCP : Actual GUID: 0x");
for (j = 0; j < 16; j++)
fprintf(stderr, "%x", data[SCAO_LPG + j]);
fprintf(stderr, "\n");
ret = -1;
goto out;
}
}
/* print the data */
switch (fmt) {
case NORMAL:
ocp_print_C0_log_normal(data);
break;
case JSON:
ocp_print_C0_log_json(data);
break;
default:
break;
}
} else {
fprintf(stderr, "ERROR : OCP : Unable to read C0 data from buffer\n");
}
out:
free(data);
return ret;
}
int ocp_smart_add_log(int argc, char **argv, struct command *cmd,
struct plugin *plugin)
{
const char *desc = "Retrieve the extended SMART health data.";
struct nvme_dev *dev;
int ret = 0;
struct config {
char *output_format;
};
struct config cfg = {
.output_format = "normal",
};
OPT_ARGS(opts) = {
OPT_FMT("output-format", 'o', &cfg.output_format, "output Format: normal|json"),
OPT_END()
};
ret = parse_and_open(&dev, argc, argv, desc, opts);
if (ret)
return ret;
ret = get_c0_log_page(dev_fd(dev), cfg.output_format);
if (ret)
fprintf(stderr, "ERROR : OCP : Failure reading the C0 Log Page, ret = %d\n",
ret);
dev_close(dev);
return ret;
}
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