--- /dev/null
+// 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 __attribute__ ((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 __attribute__ ((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:",
+ 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",
+ 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;
+
+ int 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) {
+ const enum nvme_print_flags print_flag = validate_output_format(format);
+
+ if (print_flag == JSON)
+ ocp_fw_activation_history_json(&fw_history);
+ else if (print_flag == NORMAL)
+ ocp_fw_activation_history_normal(&fw_history);
+ else {
+ fprintf(stderr, "Error: Invalid output format.\n");
+ err = -EINVAL;
+ }
+ }
+
+ return err;
+}
projects / users / sagi / nvme-cli.git / commitdiff