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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2023 Solidigm.
*
* Author: leonardo.da.cunha@solidigm.com
*/
#include <errno.h>
#include "common.h"
#include "nvme-print.h"
#include "solidigm-util.h"
#define SLDGM_TEMP_STATS_LID 0xC5
struct temp_stats {
__le64 curr;
__le64 last_overtemp;
__le64 life_overtemp;
__le64 highest_temp;
__le64 lowest_temp;
__u8 rsvd[40];
__le64 max_operating_temp;
__le64 min_operating_temp;
__le64 est_offset;
};
static void show_temp_stats(struct temp_stats *stats)
{
printf("Current temperature : %"PRIu64"\n", le64_to_cpu(stats->curr));
printf("Last critical overtemp flag : %"PRIu64"\n", le64_to_cpu(stats->last_overtemp));
printf("Life critical overtemp flag : %"PRIu64"\n", le64_to_cpu(stats->life_overtemp));
printf("Highest temperature : %"PRIu64"\n", le64_to_cpu(stats->highest_temp));
printf("Lowest temperature : %"PRIu64"\n", le64_to_cpu(stats->lowest_temp));
printf("Max operating temperature : %"PRIu64"\n", le64_to_cpu(stats->max_operating_temp));
printf("Min operating temperature : %"PRIu64"\n", le64_to_cpu(stats->min_operating_temp));
printf("Estimated offset : %"PRIu64"\n", le64_to_cpu(stats->est_offset));
}
int sldgm_get_temp_stats_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
{
unsigned char buffer[4096] = {0};
struct nvme_dev *dev;
__u8 uuid_idx;
int err;
const char *desc = "Get/show Temperature Statistics log.";
const char *raw = "dump output in binary format";
struct config {
bool raw_binary;
};
struct config cfg = {
.raw_binary = false,
};
OPT_ARGS(opts) = {
OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw),
OPT_END()
};
err = parse_and_open(&dev, argc, argv, desc, opts);
if (err)
return err;
uuid_idx = solidigm_get_vu_uuid_index(dev);
struct nvme_get_log_args args = {
.lpo = 0,
.result = NULL,
.log = buffer,
.args_size = sizeof(args),
.fd = dev_fd(dev),
.uuidx = uuid_idx,
.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
.lid = SLDGM_TEMP_STATS_LID,
.len = sizeof(buffer),
.nsid = NVME_NSID_ALL,
.csi = NVME_CSI_NVM,
.lsi = NVME_LOG_LSI_NONE,
.lsp = NVME_LOG_LSP_NONE,
.rae = false,
.ot = false,
};
err = nvme_get_log(&args);
if (!err) {
uint64_t *guid = (uint64_t *)&buffer[4080];
if (guid[1] == 0xC7BB98B7D0324863 && guid[0] == 0xBB2C23990E9C722F) {
fprintf(stderr, "Error: Log page has 'OCP unsupported Requirements' GUID\n");
err = -EBADMSG;
goto closefd;
}
if (!cfg.raw_binary)
show_temp_stats((struct temp_stats *) buffer);
else
d_raw(buffer, sizeof(struct temp_stats));
} else if (err > 0) {
nvme_show_status(err);
}
closefd:
/* Redundant close() to make static code analysis happy */
close(dev->direct.fd);
dev_close(dev);
return err;
}
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