diff --git a/include/sdrutils.hpp b/include/sdrutils.hpp
new file mode 100644
index 0000000..317ec06
--- /dev/null
+++ b/include/sdrutils.hpp
@@ -0,0 +1,139 @@
+#pragma once
+
+#include <ipmid/types.hpp>
+
+#include <ipmid/api.h>
+#include <stdint.h>
+
+/**
+ * Get SDR
+ */
+namespace get_sdr
+{
+
+// Response
+struct GetSdrResp
+{
+    uint8_t next_record_id_lsb;
+    uint8_t next_record_id_msb;
+    uint8_t record_data[64];
+} __attribute__((packed));
+
+// Record header
+struct SensorDataRecordHeader
+{
+    uint8_t record_id_lsb;
+    uint8_t record_id_msb;
+    uint8_t sdr_version;
+    uint8_t record_type;
+    uint8_t record_length; // Length not counting the header
+} __attribute__((packed));
+
+enum SensorDataRecordType
+{
+    SENSOR_DATA_FULL_RECORD = 0x1,
+    SENSOR_DATA_FRU_RECORD = 0x11,
+    SENSOR_DATA_ENTITY_RECORD = 0x8,
+};
+
+// Record key
+struct SensorDataRecordKey
+{
+    uint8_t owner_id;
+    uint8_t owner_lun;
+    uint8_t sensor_number;
+} __attribute__((packed));
+
+/** @struct SensorDataFruRecordKey
+ *
+ *  FRU Device Locator Record(key) - SDR Type 11
+ */
+struct SensorDataFruRecordKey
+{
+    uint8_t deviceAddress;
+    uint8_t fruID;
+    uint8_t accessLun;
+    uint8_t channelNumber;
+} __attribute__((packed));
+
+// Body - full record
+#define FULL_RECORD_ID_STR_MAX_LENGTH 16
+
+static const int FRU_RECORD_DEVICE_ID_MAX_LENGTH = 16;
+
+struct SensorDataFullRecordBody
+{
+    uint8_t entity_id;
+    uint8_t entity_instance;
+    uint8_t sensor_initialization;
+    uint8_t sensor_capabilities; // no macro support
+    uint8_t sensor_type;
+    uint8_t event_reading_type;
+    uint8_t supported_assertions[2];          // no macro support
+    uint8_t supported_deassertions[2];        // no macro support
+    uint8_t discrete_reading_setting_mask[2]; // no macro support
+    uint8_t sensor_units_1;
+    uint8_t sensor_units_2_base;
+    uint8_t sensor_units_3_modifier;
+    uint8_t linearization;
+    uint8_t m_lsb;
+    uint8_t m_msb_and_tolerance;
+    uint8_t b_lsb;
+    uint8_t b_msb_and_accuracy_lsb;
+    uint8_t accuracy_and_sensor_direction;
+    uint8_t r_b_exponents;
+    uint8_t analog_characteristic_flags; // no macro support
+    uint8_t nominal_reading;
+    uint8_t normal_max;
+    uint8_t normal_min;
+    uint8_t sensor_max;
+    uint8_t sensor_min;
+    uint8_t upper_nonrecoverable_threshold;
+    uint8_t upper_critical_threshold;
+    uint8_t upper_noncritical_threshold;
+    uint8_t lower_nonrecoverable_threshold;
+    uint8_t lower_critical_threshold;
+    uint8_t lower_noncritical_threshold;
+    uint8_t positive_threshold_hysteresis;
+    uint8_t negative_threshold_hysteresis;
+    uint16_t reserved;
+    uint8_t oem_reserved;
+    uint8_t id_string_info;
+    char id_string[FULL_RECORD_ID_STR_MAX_LENGTH];
+} __attribute__((packed));
+
+/** @struct SensorDataFruRecordBody
+ *
+ *  FRU Device Locator Record(body) - SDR Type 11
+ */
+struct SensorDataFruRecordBody
+{
+    uint8_t reserved;
+    uint8_t deviceType;
+    uint8_t deviceTypeModifier;
+    uint8_t entityID;
+    uint8_t entityInstance;
+    uint8_t oem;
+    uint8_t deviceIDLen;
+    char deviceID[FRU_RECORD_DEVICE_ID_MAX_LENGTH];
+} __attribute__((packed));
+
+struct SensorDataFullRecord
+{
+    SensorDataRecordHeader header;
+    SensorDataRecordKey key;
+    SensorDataFullRecordBody body;
+} __attribute__((packed));
+
+/** @struct SensorDataFruRecord
+ *
+ *  FRU Device Locator Record - SDR Type 11
+ */
+struct SensorDataFruRecord
+{
+    SensorDataRecordHeader header;
+    SensorDataFruRecordKey key;
+    SensorDataFruRecordBody body;
+} __attribute__((packed));
+
+} // namespace get_sdr