76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright (c) 2022 Solidigm.
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*
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* Author: leonardo.da.cunha@solidigm.com
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*/
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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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// max 16 bit unsigned integer number 65535
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#define MAX_16BIT_NUM_AS_STRING_SIZE 6
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#define OBJ_NAME_PREFIX "UID_"
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#define NLOG_OBJ_PREFIX OBJ_NAME_PREFIX "NLOG_"
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static bool config_get_by_version(const struct json_object *obj, int version_major,
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int version_minor, struct json_object **value)
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{
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char str_key[MAX_16BIT_NUM_AS_STRING_SIZE];
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char str_subkey[MAX_16BIT_NUM_AS_STRING_SIZE];
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snprintf(str_key, sizeof(str_key), "%d", version_major);
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snprintf(str_subkey, sizeof(str_subkey), "%d", version_minor);
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struct json_object *major_obj = NULL;
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if (!json_object_object_get_ex(obj, str_key, &major_obj))
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return false;
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if (!json_object_object_get_ex(major_obj, str_subkey, value))
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return false;
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return value != NULL;
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}
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bool solidigm_config_get_struct_by_token_version(const struct json_object *config, int token_id,
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int version_major, int version_minor,
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struct json_object **value)
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{
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struct json_object *token = NULL;
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char str_key[MAX_16BIT_NUM_AS_STRING_SIZE];
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snprintf(str_key, sizeof(str_key), "%d", token_id);
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if (!json_object_object_get_ex(config, str_key, &token))
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return false;
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if (!config_get_by_version(token, version_major, version_minor, value))
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return false;
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return value != NULL;
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}
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const char *solidigm_config_get_nlog_obj_name(const struct json_object *config, uint32_t token)
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{
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struct json_object *nlog_names = NULL;
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struct json_object *obj_name;
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char hex_header[STR_HEX32_SIZE];
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const char *name;
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if (!json_object_object_get_ex(config, "TELEMETRY_OBJECT_UIDS", &nlog_names))
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return NULL;
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snprintf(hex_header, STR_HEX32_SIZE, "0x%08X", token);
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if (!json_object_object_get_ex(nlog_names, hex_header, &obj_name))
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return NULL;
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name = json_object_get_string(obj_name);
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if (strncmp(NLOG_OBJ_PREFIX, name, strlen(NLOG_OBJ_PREFIX)))
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return NULL;
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return &name[strlen(OBJ_NAME_PREFIX)];
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}
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struct json_object *solidigm_config_get_nlog_formats(const struct json_object *config)
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{
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struct json_object *nlog_formats = NULL;
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json_object_object_get_ex(config, "NLOG_FORMATS", &nlog_formats);
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return nlog_formats;
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}
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