# Copyright © Advanced Micro Devices, Inc., or its affiliates.
# SPDX-License-Identifier:  MIT

import os, time
import ctypes.util
from ctypes import *
from enum import Enum
librdc = "librdc_bootstrap.so"


# The python ctypes wrapper for "librdc_bootstrap.so"

# Search librdc_bootstrap.so paths
current_folder = os.path.dirname(os.path.realpath(__file__))
rdc_paths = [ "", # without path
        current_folder+"/../../../lib/",   # package installation
        current_folder+"/../../../lib64/", # package installation
        current_folder+"/../build/rdc_libs/" # build from source code
]

rdc = None
for r in rdc_paths:
    try:
        rdc = CDLL(r+librdc)
        break
    except:
        pass

if rdc == None:
    print("Unable to load the librdc_bootstrap.so. Set LD_LIBRARY_PATH to the folder containing librdc_bootstrap.so.")
    exit(1)


GPU_ID_INVALID = -1
RDC_GROUP_ALL_GPUS = -1000
RDC_JOB_STATS_FIELDS = -1000
RDC_MAX_STR_LENGTH = 256
RDC_GROUP_MAX_ENTITIES = 64
RDC_MAX_NUM_DEVICES = 128
RDC_MAX_FIELD_IDS_PER_FIELD_GROUP = 128
RDC_MAX_NUM_GROUPS = 64
RDC_MAX_NUM_FIELD_GROUPS = 64
class rdc_status_t(Enum):
     def from_param(cls, obj):
          return int(obj)
     RDC_ST_OK = 0
     RDC_ST_NOT_SUPPORTED = 1
     RDC_ST_SMI_ERROR = 2
     RDC_ST_FAIL_LOAD_MODULE = 3
     RDC_ST_INVALID_HANDLER = 4
     RDC_ST_BAD_PARAMETER = 5
     RDC_ST_NOT_FOUND = 6
     RDC_ST_CONFLICT = 7
     RDC_ST_CLIENT_ERROR = 8
     RDC_ST_ALREADY_EXIST = 9
     RDC_ST_MAX_LIMIT = 10
     RDC_ST_INSUFF_RESOURCES = 11
     RDC_ST_FILE_ERROR = 12
     RDC_ST_NO_DATA = 13
     RDC_ST_PERM_ERROR = 14
     RDC_ST_CORRUPTED_EEPROM = 15
     RDC_ST_UNKNOWN_ERROR = 4294967295

class rdc_operation_mode_t(c_int):
     RDC_OPERATION_MODE_AUTO = 0
     RDC_OPERATION_MODE_MANUAL = 1

class rdc_group_type_t(c_int):
     RDC_GROUP_DEFAULT = 0
     RDC_GROUP_EMPTY = 1

class rdc_field_type_t(c_int):
     INTEGER = 0
     DOUBLE = 1
     STRING = 2
     BLOB = 3

class rdc_metric_type_t(c_int):
     INVALID = 0
     GAUGE = 1
     COUNTER = 2
     LABEL = 3

class rdc_field_t(c_int):

     RDC_FI_INVALID = 0
     RDC_FI_GPU_COUNT = 1
     RDC_FI_DEV_NAME = 2
     RDC_FI_OAM_ID = 3
     RDC_FI_GPU_CLOCK = 100
     RDC_FI_MEM_CLOCK = 101
     RDC_FI_MEMORY_TEMP = 200
     RDC_FI_GPU_TEMP = 201
     RDC_FI_POWER_USAGE = 300
     RDC_FI_PCIE_TX = 400
     RDC_FI_PCIE_RX = 401
     RDC_FI_PCIE_BANDWIDTH = 402
     RDC_FI_GPU_UTIL = 500
     RDC_FI_GPU_MEMORY_USAGE = 501
     RDC_FI_GPU_MEMORY_TOTAL = 502
     RDC_FI_GPU_MM_ENC_UTIL = 503
     RDC_FI_GPU_MM_DEC_UTIL = 504
     RDC_FI_GPU_MEMORY_ACTIVITY = 505
     RDC_FI_GPU_MEMORY_MAX_BANDWIDTH = 506
     RDC_FI_GPU_MEMORY_CUR_BANDWIDTH = 507
     RDC_FI_GPU_BUSY_PERCENT = 508
     RDC_FI_GPU_PAGE_RETRIED = 550
     RDC_FI_ECC_CORRECT_TOTAL = 600
     RDC_FI_ECC_UNCORRECT_TOTAL = 601
     RDC_FI_ECC_SDMA_CE = 602
     RDC_FI_ECC_SDMA_UE = 603
     RDC_FI_ECC_GFX_CE = 604
     RDC_FI_ECC_GFX_UE = 605
     RDC_FI_ECC_MMHUB_CE = 606
     RDC_FI_ECC_MMHUB_UE = 607
     RDC_FI_ECC_ATHUB_CE = 608
     RDC_FI_ECC_ATHUB_UE = 609
     RDC_FI_ECC_PCIE_BIF_CE = 610
     RDC_FI_ECC_PCIE_BIF_UE = 611
     RDC_FI_ECC_HDP_CE = 612
     RDC_FI_ECC_HDP_UE = 613
     RDC_FI_ECC_XGMI_WAFL_CE = 614
     RDC_FI_ECC_XGMI_WAFL_UE = 615
     RDC_FI_ECC_DF_CE = 616
     RDC_FI_ECC_DF_UE = 617
     RDC_FI_ECC_SMN_CE = 618
     RDC_FI_ECC_SMN_UE = 619
     RDC_FI_ECC_SEM_CE = 620
     RDC_FI_ECC_SEM_UE = 621
     RDC_FI_ECC_MP0_CE = 622
     RDC_FI_ECC_MP0_UE = 623
     RDC_FI_ECC_MP1_CE = 624
     RDC_FI_ECC_MP1_UE = 625
     RDC_FI_ECC_FUSE_CE = 626
     RDC_FI_ECC_FUSE_UE = 627
     RDC_FI_ECC_UMC_CE = 628
     RDC_FI_ECC_UMC_UE = 629
     RDC_FI_ECC_MCA_CE = 630
     RDC_FI_ECC_MCA_UE = 631
     RDC_FI_ECC_VCN_CE = 632
     RDC_FI_ECC_VCN_UE = 633
     RDC_FI_ECC_JPEG_CE = 634
     RDC_FI_ECC_JPEG_UE = 635
     RDC_FI_ECC_IH_CE = 636
     RDC_FI_ECC_IH_UE = 637
     RDC_FI_ECC_MPIO_CE = 638
     RDC_FI_ECC_MPIO_UE = 639
     RDC_FI_XGMI_0_READ_KB = 700
     RDC_FI_XGMI_1_READ_KB = 701
     RDC_FI_XGMI_2_READ_KB = 702
     RDC_FI_XGMI_3_READ_KB = 703
     RDC_FI_XGMI_4_READ_KB = 704
     RDC_FI_XGMI_5_READ_KB = 705
     RDC_FI_XGMI_6_READ_KB = 706
     RDC_FI_XGMI_7_READ_KB = 707
     RDC_FI_XGMI_0_WRITE_KB = 708
     RDC_FI_XGMI_1_WRITE_KB = 709
     RDC_FI_XGMI_2_WRITE_KB = 710
     RDC_FI_XGMI_3_WRITE_KB = 711
     RDC_FI_XGMI_4_WRITE_KB = 712
     RDC_FI_XGMI_5_WRITE_KB = 713
     RDC_FI_XGMI_6_WRITE_KB = 714
     RDC_FI_XGMI_7_WRITE_KB = 715
     RDC_FI_XGMI_TOTAL_READ_KB = 716
     RDC_FI_XGMI_TOTAL_WRITE_KB = 717
     RDC_FI_PROF_OCCUPANCY_PERCENT = 800
     RDC_FI_PROF_ACTIVE_CYCLES = 801
     RDC_FI_PROF_ACTIVE_WAVES = 802
     RDC_FI_PROF_ELAPSED_CYCLES = 803
     RDC_FI_PROF_TENSOR_ACTIVE_PERCENT = 804
     RDC_FI_PROF_GPU_UTIL_PERCENT = 805
     RDC_FI_PROF_EVAL_MEM_R_BW = 806
     RDC_FI_PROF_EVAL_MEM_W_BW = 807
     RDC_FI_PROF_EVAL_FLOPS_16 = 808
     RDC_FI_PROF_EVAL_FLOPS_32 = 809
     RDC_FI_PROF_EVAL_FLOPS_64 = 810
     RDC_FI_PROF_VALU_PIPE_ISSUE_UTIL = 811
     RDC_FI_PROF_SM_ACTIVE = 812
     RDC_FI_PROF_OCC_PER_ACTIVE_CU = 813
     RDC_FI_PROF_OCC_ELAPSED = 814
     RDC_FI_PROF_EVAL_FLOPS_16_PERCENT = 815
     RDC_FI_PROF_EVAL_FLOPS_32_PERCENT = 816
     RDC_FI_PROF_EVAL_FLOPS_64_PERCENT = 817
     RDC_FI_PROF_CPC_CPC_STAT_BUSY = 818
     RDC_FI_PROF_CPC_CPC_STAT_IDLE = 819
     RDC_FI_PROF_CPC_CPC_STAT_STALL = 820
     RDC_FI_PROF_CPC_CPC_TCIU_BUSY = 821
     RDC_FI_PROF_CPC_CPC_TCIU_IDLE = 822
     RDC_FI_PROF_CPC_CPC_UTCL2IU_BUSY = 823
     RDC_FI_PROF_CPC_CPC_UTCL2IU_IDLE = 824
     RDC_FI_PROF_CPC_CPC_UTCL2IU_STALL = 825
     RDC_FI_PROF_CPC_ME1_BUSY_FOR_PACKET_DECODE = 826
     RDC_FI_PROF_CPC_ME1_DC0_SPI_BUSY = 827
     RDC_FI_PROF_CPC_UTCL1_STALL_ON_TRANSLATION = 828
     RDC_FI_PROF_CPC_ALWAYS_COUNT = 829
     RDC_FI_PROF_CPC_ADC_VALID_CHUNK_NOT_AVAIL = 830
     RDC_FI_PROF_CPC_ADC_DISPATCH_ALLOC_DONE = 831
     RDC_FI_PROF_CPC_ADC_VALID_CHUNK_END = 832
     RDC_FI_PROF_CPC_SYNC_FIFO_FULL_LEVEL = 833
     RDC_FI_PROF_CPC_SYNC_FIFO_FULL = 834
     RDC_FI_PROF_CPC_GD_BUSY = 835
     RDC_FI_PROF_CPC_TG_SEND = 836
     RDC_FI_PROF_CPC_WALK_NEXT_CHUNK = 837
     RDC_FI_PROF_CPC_STALLED_BY_SE0_SPI = 838
     RDC_FI_PROF_CPC_STALLED_BY_SE1_SPI = 839
     RDC_FI_PROF_CPC_STALLED_BY_SE2_SPI = 840
     RDC_FI_PROF_CPC_STALLED_BY_SE3_SPI = 841
     RDC_FI_PROF_CPC_LTE_ALL = 842
     RDC_FI_PROF_CPC_SYNC_WRREQ_FIFO_BUSY = 843
     RDC_FI_PROF_CPC_CANE_BUSY = 844
     RDC_FI_PROF_CPC_CANE_STALL = 845
     RDC_FI_PROF_CPF_CMP_UTCL1_STALL_ON_TRANSLATION = 846
     RDC_FI_PROF_CPF_CPF_STAT_BUSY = 847
     RDC_FI_PROF_CPF_CPF_STAT_IDLE = 848
     RDC_FI_PROF_CPF_CPF_STAT_STALL = 849
     RDC_FI_PROF_CPF_CPF_TCIU_BUSY = 850
     RDC_FI_PROF_CPF_CPF_TCIU_IDLE = 851
     RDC_FI_PROF_CPF_CPF_TCIU_STALL = 852
     RDC_FI_PROF_SIMD_UTILIZATION = 853
     RDC_EVNT_XGMI_0_NOP_TX = 1000
     RDC_EVNT_XGMI_0_REQ_TX = 1001
     RDC_EVNT_XGMI_0_RESP_TX = 1002
     RDC_EVNT_XGMI_0_BEATS_TX = 1003
     RDC_EVNT_XGMI_1_NOP_TX = 1004
     RDC_EVNT_XGMI_1_REQ_TX = 1005
     RDC_EVNT_XGMI_1_RESP_TX = 1006
     RDC_EVNT_XGMI_1_BEATS_TX = 1007
     RDC_EVNT_XGMI_0_THRPUT = 1500
     RDC_EVNT_XGMI_1_THRPUT = 1501
     RDC_EVNT_XGMI_2_THRPUT = 1502
     RDC_EVNT_XGMI_3_THRPUT = 1503
     RDC_EVNT_XGMI_4_THRPUT = 1504
     RDC_EVNT_XGMI_5_THRPUT = 1505
     RDC_EVNT_NOTIF_VMFAULT = 2000
     RDC_EVNT_NOTIF_THERMAL_THROTTLE = 2001
     RDC_EVNT_NOTIF_PRE_RESET = 2002
     RDC_EVNT_NOTIF_POST_RESET = 2003
     RDC_EVNT_NOTIF_MIGRATE_START = 2004
     RDC_EVNT_NOTIF_MIGRATE_END = 2005
     RDC_EVNT_NOTIF_PAGE_FAULT_START = 2006
     RDC_EVNT_NOTIF_PAGE_FAULT_END = 2007
     RDC_EVNT_NOTIF_QUEUE_EVICTION = 2008
     RDC_EVNT_NOTIF_QUEUE_RESTORE = 2009
     RDC_EVNT_NOTIF_UNMAP_FROM_GPU = 2010
     RDC_EVNT_NOTIF_PROCESS_START = 2011
     RDC_EVNT_NOTIF_PROCESS_END = 2012
     RDC_HEALTH_XGMI_ERROR = 3000
     RDC_HEALTH_PCIE_REPLAY_COUNT = 3001
     RDC_HEALTH_RETIRED_PAGE_NUM = 3002
     RDC_HEALTH_PENDING_PAGE_NUM = 3003
     RDC_HEALTH_RETIRED_PAGE_LIMIT = 3004
     RDC_HEALTH_EEPROM_CONFIG_VALID = 3005
     RDC_HEALTH_POWER_THROTTLE_TIME = 3006
     RDC_HEALTH_THERMAL_THROTTLE_TIME = 3007

     RDC_FI_CPU_COUNT = 10000
     RDC_FI_CPU_MODEL = 10001
     RDC_FI_CPU_CORE_ENERGY = 10002
     RDC_FI_CPU_SOCKET_ENERGY = 10003
     RDC_FI_CPU_THREADS_PER_CORE = 10004
     RDC_FI_CPU_HSMP_DRIVER_VERSION = 10005
     RDC_FI_CPU_SMU_FW_VERSION = 10006
     RDC_FI_CPU_HSMP_PROTO_VERSION = 10007
     RDC_FI_CPU_FCLK_FREQUENCY = 10008
     RDC_FI_CPU_MCLK_FREQUENCY = 10009
     RDC_FI_CPU_CCLK_LIMIT = 10010
     RDC_FI_CPU_SOCKET_ACTIVE_FREQ_LIMIT = 10011
     RDC_FI_CPU_SOCKET_FREQ_LIMIT_SRC = 10012
     RDC_FI_CPU_SOCKET_FREQ_RANGE_MAX = 10013
     RDC_FI_CPU_SOCKET_FREQ_RANGE_MIN = 10014
     RDC_FI_CPU_CORE_FREQ_LIMIT = 10015
     RDC_FI_CPU_CORE_BOOST_LIMIT = 10016
     RDC_FI_CPU_SOCKET_C0_RESIDENCY = 10017
     RDC_FI_CPU_SOCKET_LCLK_DPM_LEVEL = 10018
     RDC_FI_CPU_FAMILY = 10019
     RDC_FI_CPU_MODEL_ID = 10020
     RDC_FI_CPU_CORES_PER_SOCKET = 10021
     RDC_FI_CPU_SOCKET_COUNT = 10022

     _rdc_metric_type_lookup = {
        RDC_FI_INVALID: rdc_metric_type_t.INVALID,
        RDC_FI_GPU_COUNT: rdc_metric_type_t.LABEL,
        RDC_FI_DEV_NAME: rdc_metric_type_t.LABEL,
        RDC_FI_OAM_ID: rdc_metric_type_t.LABEL,
        RDC_FI_GPU_MEMORY_TOTAL: rdc_metric_type_t.COUNTER,
        RDC_FI_ECC_CORRECT_TOTAL: rdc_metric_type_t.COUNTER,
        RDC_FI_ECC_UNCORRECT_TOTAL: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_VMFAULT: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_THERMAL_THROTTLE: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_PRE_RESET: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_POST_RESET: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_MIGRATE_START: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_MIGRATE_END: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_PAGE_FAULT_START: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_PAGE_FAULT_END: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_QUEUE_EVICTION: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_QUEUE_RESTORE: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_UNMAP_FROM_GPU: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_PROCESS_START: rdc_metric_type_t.COUNTER,
        RDC_EVNT_NOTIF_PROCESS_END: rdc_metric_type_t.COUNTER,
     }

     @classmethod
     def get_rdc_metric_type(cls, rdc_metric_t):
        if isinstance(rdc_metric_t, str):
            rdc_metric_t = getattr(cls, rdc_metric_t, None)

        # If the metric was found, do the lookup, otherwise default GAUGE
        if rdc_metric_t is not None:
            return cls._rdc_metric_type_lookup.get(rdc_metric_t, rdc_metric_type_t.GAUGE)
        return rdc_metric_type_t.GAUGE

     @classmethod
     def get_field_name(cls, value):
        for attr_name, attr_value in cls.__dict__.items():
            if isinstance(attr_value, int) and attr_value == value:
                return attr_name
        return "Unknown field value"

rdc_handle_t = c_void_p
rdc_gpu_group_t = c_uint32
rdc_field_grp_t = c_uint32
class rdc_device_attributes_t(Structure):
    _fields_ = [
            ("device_name", c_char*256)
            ]

class rdc_group_info_t(Structure):
    _fields_ = [
            ("count", c_uint32)
            ,("group_name", c_char*256)
            ,("entity_ids", c_uint32*64)
            ]

class rdc_stats_summary_t(Structure):
    _fields_ = [
            ("max_value", c_uint64)
            ,("min_value", c_uint64)
            ,("average", c_uint64)
            ,("standard_deviation", c_double)
            ]

class rdc_gpu_usage_info_t(Structure):
    _fields_ = [
            ("gpu_id", c_uint32)
            ,("start_time", c_uint64)
            ,("end_time", c_uint64)
            ,("energy_consumed", c_uint64)
            ,("ecc_correct", c_uint64)
            ,("ecc_uncorrect", c_uint64)
            ,("pcie_tx", rdc_stats_summary_t)
            ,("pcie_rx", rdc_stats_summary_t)
            ,("pcie_total", rdc_stats_summary_t)
            ,("power_usage", rdc_stats_summary_t)
            ,("gpu_clock", rdc_stats_summary_t)
            ,("memory_clock", rdc_stats_summary_t)
            ,("gpu_utilization", rdc_stats_summary_t)
            ,("gpu_temperature", rdc_stats_summary_t)
            ,("max_gpu_memory_used", c_uint64)
            ,("memory_utilization", rdc_stats_summary_t)
            ]

class rdc_process_status_info_t(Structure):
    _fields_ = [
            ("pid", c_uint32)
            ,("process_name", c_char*256)
            ,("start_time", c_uint64)
            ,("stop_time", c_uint64)
            ]

class rdc_job_info_t(Structure):
    _fields_ = [
            ("num_gpus", c_uint32)
            ,("summary", rdc_gpu_usage_info_t)
            ,("gpus", rdc_gpu_usage_info_t*16)
            ,("num_processes", c_uint32)
            ,("processes", rdc_process_status_info_t*64)
            ]

class rdc_anonymous_0(ctypes.Union):
    _fields_ = [
            ("l_int", c_int64)
            ,("dbl", c_double)
            ,("str", c_char*256)
            ]

class rdc_field_value(Structure):
    _fields_ = [
            ("field_id", rdc_field_t)
            ,("status", c_int)
            ,("ts", c_uint64)
            ,("type", rdc_field_type_t)
            ,("value", rdc_anonymous_0)
            ]

class rdc_field_group_info_t(Structure):
    _fields_ = [
            ("count", c_uint32)
            ,("group_name", c_char*256)
            ,("field_ids", rdc_field_t*128)
            ]

class rdc_job_group_info_t(Structure):
    _fields_ = [
            ("job_id", c_char*256)
            ,("group_id", rdc_gpu_group_t)
            ,("start_time", c_uint64)
            ,("stop_time", c_uint64)
            ]

class rdc_entity_info_t(Structure):
    _fields_ = [
        ("device_index",   c_uint32),
        ("instance_index", c_uint32),
        ("entity_role",   c_uint32),
        ("device_type",   c_uint32),
    ]


rdc.rdc_init.restype = rdc_status_t
rdc.rdc_init.argtypes = [ c_uint64 ]
rdc.rdc_shutdown.restype = rdc_status_t
rdc.rdc_shutdown.argtypes = [  ]
rdc.rdc_start_embedded.restype = rdc_status_t
rdc.rdc_start_embedded.argtypes = [ rdc_operation_mode_t,POINTER(rdc_handle_t) ]
rdc.rdc_stop_embedded.restype = rdc_status_t
rdc.rdc_stop_embedded.argtypes = [ rdc_handle_t ]
rdc.rdc_connect.restype = rdc_status_t
rdc.rdc_connect.argtypes = [ c_char_p,POINTER(rdc_handle_t),c_char_p,c_char_p,c_char_p ]
rdc.rdc_disconnect.restype = rdc_status_t
rdc.rdc_disconnect.argtypes = [ rdc_handle_t ]
rdc.rdc_job_start_stats.restype = rdc_status_t
rdc.rdc_job_start_stats.argtypes = [ rdc_handle_t,rdc_gpu_group_t,POINTER(c_char),c_uint64 ]
rdc.rdc_job_get_stats.restype = rdc_status_t
rdc.rdc_job_get_stats.argtypes = [ rdc_handle_t,POINTER(c_char),POINTER(rdc_job_info_t) ]
rdc.rdc_job_stop_stats.restype = rdc_status_t
rdc.rdc_job_stop_stats.argtypes = [ rdc_handle_t,POINTER(c_char) ]
rdc.rdc_job_remove.restype = rdc_status_t
rdc.rdc_job_remove.argtypes = [ rdc_handle_t,POINTER(c_char) ]
rdc.rdc_job_remove_all.restype = rdc_status_t
rdc.rdc_job_remove_all.argtypes = [ rdc_handle_t ]
rdc.rdc_field_update_all.restype = rdc_status_t
rdc.rdc_field_update_all.argtypes = [ rdc_handle_t,c_uint32 ]
rdc.rdc_device_get_all.restype = rdc_status_t
rdc.rdc_device_get_all.argtypes = [ rdc_handle_t,POINTER(c_uint32),POINTER(c_uint32) ]
rdc.rdc_device_get_attributes.restype = rdc_status_t
rdc.rdc_device_get_attributes.argtypes = [ rdc_handle_t,c_uint32,POINTER(rdc_device_attributes_t) ]
rdc.rdc_group_gpu_create.restype = rdc_status_t
rdc.rdc_group_gpu_create.argtypes = [ rdc_handle_t,rdc_group_type_t,c_char_p,POINTER(rdc_gpu_group_t) ]
rdc.rdc_group_gpu_add.restype = rdc_status_t
rdc.rdc_group_gpu_add.argtypes = [ rdc_handle_t,rdc_gpu_group_t,c_uint32 ]
rdc.rdc_group_gpu_get_info.restype = rdc_status_t
rdc.rdc_group_gpu_get_info.argtypes = [ rdc_handle_t,rdc_gpu_group_t,POINTER(rdc_group_info_t) ]
rdc.rdc_group_get_all_ids.restype = rdc_status_t
rdc.rdc_group_get_all_ids.argtypes = [ rdc_handle_t,POINTER(rdc_gpu_group_t),POINTER(c_uint32) ]
rdc.rdc_group_gpu_destroy.restype = rdc_status_t
rdc.rdc_group_gpu_destroy.argtypes = [ rdc_handle_t,rdc_gpu_group_t ]
rdc.rdc_group_field_create.restype = rdc_status_t
rdc.rdc_group_field_create.argtypes = [ rdc_handle_t,c_uint32,POINTER(rdc_field_t),c_char_p,POINTER(rdc_field_grp_t) ]
rdc.rdc_group_field_get_info.restype = rdc_status_t
rdc.rdc_group_field_get_info.argtypes = [ rdc_handle_t,rdc_field_grp_t,POINTER(rdc_field_group_info_t) ]
rdc.rdc_group_field_get_all_ids.restype = rdc_status_t
rdc.rdc_group_field_get_all_ids.argtypes = [ rdc_handle_t,POINTER(rdc_field_grp_t),POINTER(c_uint32) ]
rdc.rdc_group_field_destroy.restype = rdc_status_t
rdc.rdc_group_field_destroy.argtypes = [ rdc_handle_t,rdc_field_grp_t ]
rdc.rdc_field_watch.restype = rdc_status_t
rdc.rdc_field_watch.argtypes = [ rdc_handle_t,rdc_gpu_group_t,rdc_field_grp_t,c_uint64,c_double,c_uint32 ]
rdc.rdc_field_get_latest_value.restype = rdc_status_t
rdc.rdc_field_get_latest_value.argtypes = [ rdc_handle_t,c_uint32,rdc_field_t,POINTER(rdc_field_value) ]
rdc.rdc_field_get_value_since.restype = rdc_status_t
rdc.rdc_field_get_value_since.argtypes = [ rdc_handle_t,c_uint32,rdc_field_t,c_uint64,POINTER(c_uint64),POINTER(rdc_field_value) ]
rdc.rdc_field_unwatch.restype = rdc_status_t
rdc.rdc_field_unwatch.argtypes = [ rdc_handle_t,rdc_gpu_group_t,rdc_field_grp_t ]
rdc.rdc_status_string.restype = c_char_p
rdc.rdc_status_string.argtypes = [ rdc_status_t ]
rdc.field_id_string.restype = c_char_p
rdc.field_id_string.argtypes = [ rdc_field_t ]
rdc.get_field_id_from_name.restype = rdc_field_t
rdc.get_field_id_from_name.argtypes = [ c_char_p ]
rdc.rdc_get_entity_index_from_info.argtypes = [ rdc_entity_info_t ]
rdc.rdc_get_entity_index_from_info.restype  = c_uint32
rdc.rdc_get_info_from_entity_index.argtypes = [c_uint32]
rdc.rdc_get_info_from_entity_index.restype  = rdc_entity_info_t
