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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2022 Solidigm.
*
* Author: karl.dedow@solidigm.com
*/
#include "ocp-fw-activation-history.h"
#include <errno.h>
#include <stdio.h>
#include "common.h"
#include "nvme-print.h"
#include "ocp-utils.h"
static const unsigned char ocp_fw_activation_history_guid[16] = {
0x6D, 0x79, 0x9a, 0x76,
0xb4, 0xda, 0xf6, 0xa3,
0xe2, 0x4d, 0xb2, 0x8a,
0xac, 0xf3, 0x1c, 0xd1
};
struct __packed fw_activation_history_entry {
__u8 ver_num;
__u8 entry_length;
__u16 reserved1;
__u16 activation_count;
__u64 timestamp;
__u64 reserved2;
__u64 power_cycle_count;
char previous_fw[8];
char new_fw[8];
__u8 slot_number;
__u8 commit_action;
__u16 result;
__u8 reserved3[14];
};
struct __packed fw_activation_history {
__u8 log_id;
__u8 reserved1[3];
__u32 valid_entries;
struct fw_activation_history_entry entries[20];
__u8 reserved2[2790];
__u16 log_page_version;
__u64 log_page_guid[2];
};
static void ocp_fw_activation_history_normal(const struct fw_activation_history *fw_history)
{
printf("Firmware History Log:\n");
printf(" %-26s%d\n", "log identifier:", fw_history->log_id);
printf(" %-26s%d\n", "valid entries:", le32_to_cpu(fw_history->valid_entries));
printf(" entries:\n");
for (int index = 0; index < fw_history->valid_entries; index++) {
const struct fw_activation_history_entry *entry = &fw_history->entries[index];
printf(" entry[%d]:\n", le32_to_cpu(index));
printf(" %-22s%d\n", "version number:", entry->ver_num);
printf(" %-22s%d\n", "entry length:", entry->entry_length);
printf(" %-22s%d\n", "activation count:",
le16_to_cpu(entry->activation_count));
printf(" %-22s%"PRIu64"\n", "timestamp:",
(0x0000FFFFFFFFFFFF & le64_to_cpu(entry->timestamp)));
printf(" %-22s%"PRIu64"\n", "power cycle count:",
le64_to_cpu(entry->power_cycle_count));
printf(" %-22s%.*s\n", "previous firmware:", (int)sizeof(entry->previous_fw),
entry->previous_fw);
printf(" %-22s%.*s\n", "new firmware:", (int)sizeof(entry->new_fw),
entry->new_fw);
printf(" %-22s%d\n", "slot number:", entry->slot_number);
printf(" %-22s%d\n", "commit action type:", entry->commit_action);
printf(" %-22s%d\n", "result:", le16_to_cpu(entry->result));
}
printf(" %-26s%d\n", "log page version:",
le16_to_cpu(fw_history->log_page_version));
printf(" %-26s0x%"PRIx64"%"PRIx64"\n", "log page guid:",
le64_to_cpu(fw_history->log_page_guid[1]),
le64_to_cpu(fw_history->log_page_guid[0]));
printf("\n");
}
static void ocp_fw_activation_history_json(const struct fw_activation_history *fw_history)
{
struct json_object *root = json_create_object();
json_object_add_value_uint(root, "log identifier", fw_history->log_id);
json_object_add_value_uint(root, "valid entries", le32_to_cpu(fw_history->valid_entries));
struct json_object *entries = json_create_array();
for (int index = 0; index < fw_history->valid_entries; index++) {
const struct fw_activation_history_entry *entry = &fw_history->entries[index];
struct json_object *entry_obj = json_create_object();
json_object_add_value_uint(entry_obj, "version number", entry->ver_num);
json_object_add_value_uint(entry_obj, "entry length", entry->entry_length);
json_object_add_value_uint(entry_obj, "activation count",
le16_to_cpu(entry->activation_count));
json_object_add_value_uint64(entry_obj, "timestamp",
(0x0000FFFFFFFFFFFF & le64_to_cpu(entry->timestamp)));
json_object_add_value_uint(entry_obj, "power cycle count",
le64_to_cpu(entry->power_cycle_count));
struct json_object *fw = json_object_new_string_len(entry->previous_fw,
sizeof(entry->previous_fw));
json_object_add_value_object(entry_obj, "previous firmware", fw);
fw = json_object_new_string_len(entry->new_fw, sizeof(entry->new_fw));
json_object_add_value_object(entry_obj, "new firmware", fw);
json_object_add_value_uint(entry_obj, "slot number", entry->slot_number);
json_object_add_value_uint(entry_obj, "commit action type", entry->commit_action);
json_object_add_value_uint(entry_obj, "result", le16_to_cpu(entry->result));
json_array_add_value_object(entries, entry_obj);
}
json_object_add_value_array(root, "entries", entries);
json_object_add_value_uint(root, "log page version",
le16_to_cpu(fw_history->log_page_version));
char guid[2 * sizeof(fw_history->log_page_guid) + 3] = { 0 };
sprintf(guid, "0x%"PRIx64"%"PRIx64"",
le64_to_cpu(fw_history->log_page_guid[1]),
le64_to_cpu(fw_history->log_page_guid[0]));
json_object_add_value_string(root, "log page guid", guid);
json_print_object(root, NULL);
json_free_object(root);
printf("\n");
}
int ocp_fw_activation_history_log(int argc, char **argv, struct command *cmd,
struct plugin *plugin)
{
const __u8 log_id = 0xC2;
const char *description = "Retrieves the OCP firmware activation history log.";
char *format = "normal";
OPT_ARGS(options) = {
OPT_FMT("output-format", 'o', &format, "output format : normal | json"),
OPT_END()
};
struct nvme_dev *dev = NULL;
int err = parse_and_open(&dev, argc, argv, description, options);
if (err)
return err;
__u8 uuid_index = 0;
/*
* Best effort attempt at uuid. Otherwise, assume no index (i.e. 0)
* Log GUID check will ensure correctness of returned data
*/
ocp_get_uuid_index(dev, &uuid_index);
struct fw_activation_history fw_history = { 0 };
struct nvme_get_log_args args = {
.lpo = 0,
.result = NULL,
.log = &fw_history,
.args_size = sizeof(args),
.fd = dev_fd(dev),
.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
.lid = log_id,
.len = sizeof(fw_history),
.nsid = NVME_NSID_ALL,
.csi = NVME_CSI_NVM,
.lsi = NVME_LOG_LSI_NONE,
.lsp = 0,
.uuidx = uuid_index,
.rae = false,
.ot = false,
};
err = nvme_get_log(&args);
if (err)
nvme_show_status(err);
dev_close(dev);
int guid_cmp_res = memcmp(fw_history.log_page_guid, ocp_fw_activation_history_guid,
sizeof(ocp_fw_activation_history_guid));
if (!err && guid_cmp_res) {
fprintf(stderr,
"Error: Unexpected data. Log page guid does not match with expected.\n");
err = -EINVAL;
}
if (!err) {
nvme_print_flags_t print_flag;
err = validate_output_format(format, &print_flag);
if (err < 0) {
fprintf(stderr, "Error: Invalid output format.\n");
return err;
}
if (print_flag == JSON)
ocp_fw_activation_history_json(&fw_history);
else if (print_flag == NORMAL)
ocp_fw_activation_history_normal(&fw_history);
}
return err;
}
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