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  • NVIDIA DRIVE OS Linux SDK API Reference

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    nvmedia_dla.h
    Go to the documentation of this file.
    1 /*
    2  * Copyright (c) 2017-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
    3  * All information contained herein is proprietary and confidential to NVIDIA
    4  * Corporation. Any use, reproduction, or disclosure without the written
    5  * permission of NVIDIA Corporation is prohibited.
    6  */
    7 
    8 
    16 #ifndef NVMEDIA_DLA_H
    17 #define NVMEDIA_DLA_H
    18 
    19 #ifdef __cplusplus
    20 extern "C" {
    21 #endif
    22 
    23 #include "nvmedia_core.h"
    24 #include "nvmedia_tensor.h"
    25 
    47 #define NVMEDIA_DLA_VERSION_MAJOR 4
    48 
    49 #define NVMEDIA_DLA_VERSION_MINOR 0
    50 
    51 #define NVMEDIA_DLA_VERSION_PATCH 0
    52 
    63 #define NVMEDIA_DLA_TENSOR_DESC_NAME_MAX_LEN (80U)
    64 
    66 #define NVMEDIA_DLA_DEFAULT_TASKTIMEOUT (100000U)
    67 
    74 typedef struct NvMediaDla NvMediaDla;
    75 
    79 typedef struct {
    81  uint8_t major;
    83  uint8_t minor;
    85  uint8_t subMinor;
    87 
    91 typedef enum {
    95 
    99 typedef struct {
    103 
    107 typedef struct {
    113 
    121 
    125 typedef struct {
    127  uint8_t const *loadable;
    129  uint64_t loadableSize;
    131 
    135 typedef struct {
    139  uint32_t numArgs;
    141 
    145 typedef struct {
    151  uint32_t numAttrs;
    153 
    186  NvMediaVersion *version
    187 );
    188 
    219  const uint32_t dlaId
    220 );
    221 
    245 NvMediaDla *
    246 NvMediaDlaCreate(void);
    247 
    275  NvMediaDla *dla
    276 );
    277 
    310  const NvMediaDla *dla,
    311  NvMediaDlaUMDVersion *version
    312 );
    313 
    344  const NvMediaDla *dla,
    345  uint16_t *numEngines
    346 );
    347 
    380  const NvMediaDla *dla,
    381  uint32_t *maxOutstandingTasks
    382 );
    383 
    421  NvMediaDla *dla,
    422  uint32_t dlaId,
    423  uint32_t numTasks
    424 );
    425 
    459  const NvMediaDla *dla,
    460  uint32_t *dlaId
    461 );
    462 
    496  const NvMediaDla *dla,
    497  uint32_t *numTasks
    498 );
    499 
    531  NvMediaDla *dla,
    532  NvMediaDlaLoadable **loadable
    533 );
    534 
    565  const NvMediaDla *dla,
    566  NvMediaDlaLoadable *loadable
    567 );
    568 
    608  const NvMediaDla *dla,
    609  const NvMediaDlaBinaryLoadable binaryLoadable,
    610  NvMediaDlaLoadable *loadable
    611 );
    612 
    643  NvMediaDla *dla,
    644  const NvMediaDlaLoadable *loadable
    645 );
    646 
    679  const NvMediaDla *dla,
    680  int32_t *numOfInputTensors
    681 );
    682 
    718  const NvMediaDla *dla,
    719  const uint32_t idx,
    720  NvMediaDlaTensorDescriptor *descriptor
    721 );
    722 
    755  const NvMediaDla *dla,
    756  int32_t *numOfOutputTensors
    757 );
    758 
    795  const NvMediaDla *dla,
    796  const uint32_t idx,
    797  NvMediaDlaTensorDescriptor *descriptor
    798 );
    799 
    830  const NvMediaDla *dla,
    831  const NvMediaDlaData *dlaData,
    832  uint32_t flags
    833 );
    834 
    865  const NvMediaDla *dla,
    866  const NvMediaDlaData *dlaData
    867 );
    868 
    898  NvMediaDla *dla
    899 );
    900 
    932  NvMediaDla *dla
    933 );
    934 
    996  NvMediaDla *dla,
    997  const NvMediaDlaArgs *inputArgs,
    998  const NvMediaDlaArgs *scratchpadArgs,
    999  const NvMediaDlaArgs *outputArgs,
    1000  uint32_t taskTimeout
    1001 );
    1002 
    1059  NvMediaDla *dla,
    1060  const NvMediaDlaArgs *inputArgs,
    1061  const NvMediaDlaArgs *scratchpadArgs,
    1062  const NvMediaDlaArgs *outputArgs
    1063 );
    1064 
    1065 /*
    1066  * \defgroup history_nvmedia_dla History
    1067  * Provides change history for the NvMedia DLA API.
    1068  *
    1069  * \section history_nvmedia_dla Version History
    1070  *
    1071  * <b> Version 1.0 </b> Oct 31, 2017
    1072  * - Initial Release.
    1073  *
    1074  * <b> Version 1.1 </b> Feb 12, 2018
    1075  * - Add separate functionality to load from memory.
    1076  *
    1077  * <b> Version 1.2 </b> Mar 12, 2018
    1078  * - Add query API's for version, num engines, maxOutstandingRequests.
    1079  *
    1080  * <c> Version 1.3 </b> Mar 26, 2018
    1081  * - Add helper to query tensor descriptor.
    1082  *
    1083  * <c> Version 1.4 </b> May 3, 2018
    1084  * - Add dynamic task timeout support.
    1085  *
    1086  * <c> Version 2.0 </b> June 26, 2018
    1087  * - Remove load using filename functionality.
    1088  *
    1089  * <c> Version 2.1 </b> August 13, 2018
    1090  * - Add NvMediaDlaPingById. NvMediaDlaPing will be deprecated in the future.
    1091  *
    1092  * <c> Version 2.2 </b> Oct 1, 2018
    1093  * - Add new API NvMediaDlaGetUMDVersion and data structure NvMediaDlaUMDVersion.
    1094  *
    1095  * <c> Version 2.3 </b> Dec 14, 2018
    1096  * - Add new API NvMediaLoadableIdCreate, NvMediaLoadableIdDestroy,
    1097  * NvMediaDlaAppendLoadable, NvMediaDlaLoadLoadable, NvMediaDlaSetCurrentLoadable,
    1098  * NvMediaDlaInit, NvMediaDlaGetScratchpadDescriptor and NvMediaDlaBindScratchpad.
    1099  * - Add new structure NvMediaDlaLoadableId, NvMediaDlaLoadable and NvMediaDlaScratchpadDescriptor.
    1100  *
    1101  * <c> Version 2.4 </b> Jan 9, 2019
    1102  * - Remove NvMediaImage as Dla data.
    1103  *
    1104  * <c> Version 2.5 </b> Mar 7, 2019
    1105  * - Rename NvMediaLoadableIdCreate to NvMediaDlaLoadableIdCreate.
    1106  * - Rename NvMediaLoadableIdDestroy to NvMediaDlaLoadableIdDestroy.
    1107  *
    1108  * <c> Version 2.6 </b> Mar 11, 2019
    1109  * - Add new API NvMediaDlaDataRegister and NvMediaDlaDataUnRegister.
    1110  *
    1111  * <c> Version 2.7 </b> Mar 13, 2019
    1112  * - Deprecate NvMediaDlaPing API.
    1113  *
    1114  * <c> Version 2.8 </b> Mar 14, 2019
    1115  * - Deprecate NvMediaDlaSubmit API.
    1116  *
    1117  * <c> Version 3.0 </b> April 19, 2019
    1118  * - Add NvMediaDlaSubmit as new API for task submission.
    1119  * - Move to new APIs for NvMediaDla programming.
    1120  * - Mark NvMediaDlaLoadFromMemory, NvMediaDlaSubmitTimeout
    1121  * and NvMediaDlaGetMaxOutstandingRequests as deprecated APIs.
    1122  *
    1123  * <c> Version 3.1 </b> July 08, 2019
    1124  * - Remove the restriction of calling sequence for data registration.
    1125  *
    1126  * <c> Version 3.2 </b> July 30, 2019
    1127  * - Deleting NvMediaDlaGetScratchpadDescriptor and NvMediaDlaBindScratchpad.
    1128  * - added const for parameters in APIs that do not modify the parameter
    1129  *
    1130  * <c> Version 3.3 </b> Sep 9th, 2019
    1131  * - Deprecate following APIs: NvMediaDlaLoadFromMemory, NvMediaDlaSubmitTimeout
    1132  * and NvMediaDlaGetMaxOutstandingRequests
    1133  *
    1134  * <c> Version 3.4 </b> Jan 22, 2020
    1135  * - Add const to NvMediaDlaSubmit to comply with MISRA rule 8.13
    1136  *
    1137  * <c> Version 3.5 </b> Mar 28, 2020
    1138  * - Update possible return status of NvMediaDlaGetNumEngines, NvMediaDlaGetInstanceId,
    1139  * NvMediaDlaGetNumTasks, NvMediaDlaSubmit.
    1140  *
    1141  * <c> Version 3.6 </b> Apr 24, 2020
    1142  * - Removed const from NvMediaDlaSetCurrentLoadable and
    1143  * NvMediaDlaRemoveLoadable to support new functionality
    1144  *
    1145  * <c> Version 3.7 </b> Nov 30, 2020
    1146  * - Updated doxygen comments for NvMediaDlaSubmit.
    1147  *
    1148  * <c> Version 3.8 </b> Jan 5, 2021
    1149  * - Updated last sentence of NvMediaDlaSubmit restrictions.
    1150  *
    1151  * <c> Version 3.9 </b> Mar 1, 2021
    1152  * - Updated doxy comments for NvMediaDlaSubmit,NvMediaDlaGetInput/OutputTensorDescriptor.
    1153  *
    1154  * <c> Version 3.10 </b> Mar 22, 2021
    1155  * - Updated doxy comments for NvMediaDlaAppendLoadable.
    1156  *
    1157  * <c> Version 3.11 </b> Jul 20, 2021
    1158  * - Added "submit with bypass execution" feature (NvMediaDlaSubmitBypass).
    1159  *
    1160  * <b> Version 3.12 </b> August 20, 2021
    1161  * - Update doxygen comments for All APIs to have Thread safety information and API Group information
    1162  *
    1163  * <b> Version 4.0 </b> September 2, 2021
    1164  * - Adding Const Qualifier for loadable member in NvMediaDlaBinaryLoadable
    1165  *
    1166  * <b> Version 4.0 </b> February 08, 2022
    1167  * - Updated the doxygen comments with usage considerations for all APIs.
    1168  *
    1169  * <b> Version 4.0 </b> April 04, 2022
    1170  * - Updated doxy comments for NvMediaDlaAppendLoadable, NvMediaDlaRemoveLoadable.
    1171  * - Updated valid range for structures.
    1172  *
    1173  * <b> Version 4.0.0 </b> May 10, 2022
    1174  * - Added patch version number macro: NVMEDIA_DLA_VERSION_PATCH.
    1175  *
    1176  */
    1181 #ifdef __cplusplus
    1182 }
    1183 #endif
    1184 
    1185 #endif // NVMEDIA_DLA_H
    NvMediaDlaDataPointer::tensor
    NvMediaTensor * tensor
    A pointer to NvMediaTensor.
    Definition: nvmedia_dla.h:101
    NvMediaDlaGetNumOfInputTensors
    NvMediaStatus NvMediaDlaGetNumOfInputTensors(const NvMediaDla *dla, int32_t *numOfInputTensors)
    Gets the number of input tensors for the current loadable in the NvMediaDla context.
    NvMediaDlaUMDVersion::minor
    uint8_t minor
    Minor version.
    Definition: nvmedia_dla.h:83
    NvMediaDlaArgs
    Holds input and output DLA data.
    Definition: nvmedia_dla.h:135
    NvMediaDlaSubmit
    NvMediaStatus NvMediaDlaSubmit(NvMediaDla *dla, const NvMediaDlaArgs *inputArgs, const NvMediaDlaArgs *scratchpadArgs, const NvMediaDlaArgs *outputArgs, uint32_t taskTimeout)
    Submits a job to the DLA to run the network on a set of input NvMediaDla arguments and a timeout valu...
    NvMediaDlaDataPointer
    Holds pointers to the DLA data.
    Definition: nvmedia_dla.h:99
    NvMediaDlaDataUnregister
    NvMediaStatus NvMediaDlaDataUnregister(const NvMediaDla *dla, const NvMediaDlaData *dlaData)
    Unregisters an NvMediaDlaData after use.
    NvMediaStatus
    NvMediaStatus
    Defines all possible error codes.
    Definition: nvmedia_core.h:104
    NvMediaDlaLoadable
    struct NvMediaDlaLoadable NvMediaDlaLoadable
    Holds a handle to NvMediaDlaLoadable.
    Definition: nvmedia_dla.h:120
    NvMediaDlaInit
    NvMediaStatus NvMediaDlaInit(NvMediaDla *dla, uint32_t dlaId, uint32_t numTasks)
    Configures the context for a particular DLA engine.
    NvMediaDlaBinaryLoadable::loadable
    const uint8_t * loadable
    Pointer to in-memory loadable.
    Definition: nvmedia_dla.h:127
    NvMediaDlaRemoveLoadable
    NvMediaStatus NvMediaDlaRemoveLoadable(NvMediaDla *dla)
    Removes the current loadable from the provided NvMediaDla context.
    nvmedia_tensor.h
    NVIDIA Media Interface: Tensor Processing
    NvMediaVersion
    Holds NvMedia version information.
    Definition: nvmedia_core.h:149
    NvMediaDlaUMDVersion
    Holds the DLA UMD version.
    Definition: nvmedia_dla.h:79
    NvMediaDlaArgs::numArgs
    uint32_t numArgs
    Number of NvMediaDlaData.
    Definition: nvmedia_dla.h:139
    NvMediaDlaDataRegister
    NvMediaStatus NvMediaDlaDataRegister(const NvMediaDla *dla, const NvMediaDlaData *dlaData, uint32_t flags)
    Registers an NvMediaDlaData for use with an NvMediaDla handle.
    NvMediaDlaAppendLoadable
    NvMediaStatus NvMediaDlaAppendLoadable(const NvMediaDla *dla, const NvMediaDlaBinaryLoadable binaryLoadable, NvMediaDlaLoadable *loadable)
    Appends a loadable to the NvMediaDla context.
    NvMediaDlaUMDVersion::major
    uint8_t major
    Major version.
    Definition: nvmedia_dla.h:81
    NvMediaDlaGetNumOfOutputTensors
    NvMediaStatus NvMediaDlaGetNumOfOutputTensors(const NvMediaDla *dla, int32_t *numOfOutputTensors)
    Gets the number of output tensors for the current loadable in the NvMediaDla context.
    NvMediaTensor
    struct NvMediaTensor NvMediaTensor
    A handle representing tensor objects.
    Definition: nvmedia_tensor.h:83
    NVM_TENSOR_ATTR_MAX
    @ NVM_TENSOR_ATTR_MAX
    Defines the maximum number of tensor creation attributes.
    Definition: nvmedia_tensor.h:113
    nvmedia_core.h
    NVIDIA Media Interface: Core
    NvMediaDlaGetMaxOutstandingTasks
    NvMediaStatus NvMediaDlaGetMaxOutstandingTasks(const NvMediaDla *dla, uint32_t *maxOutstandingTasks)
    Returns the maximum number of tasks that can be queued to an instance of an engine.
    NvMediaDlaGetNumEngines
    NvMediaStatus NvMediaDlaGetNumEngines(const NvMediaDla *dla, uint16_t *numEngines)
    Returns the number of DLA hardware engines available.
    NvMediaDlaGetInstanceId
    NvMediaStatus NvMediaDlaGetInstanceId(const NvMediaDla *dla, uint32_t *dlaId)
    Returns the instance id of the NvMediaDla.
    NvMediaDlaGetOutputTensorDescriptor
    NvMediaStatus NvMediaDlaGetOutputTensorDescriptor(const NvMediaDla *dla, const uint32_t idx, NvMediaDlaTensorDescriptor *descriptor)
    Gets the output tensor descriptor for the current loadable in the NvMediaDla context.
    NVMEDIA_DLA_TENSOR_DESC_NAME_MAX_LEN
    #define NVMEDIA_DLA_TENSOR_DESC_NAME_MAX_LEN
    Maximum length of the name of the tensor to store in the descriptor.
    Definition: nvmedia_dla.h:63
    NvMediaDlaGetUMDVersion
    NvMediaStatus NvMediaDlaGetUMDVersion(const NvMediaDla *dla, NvMediaDlaUMDVersion *version)
    Returns the version information for the NvMedia DLA UMD library.
    NvMediaDlaLoadLoadable
    NvMediaStatus NvMediaDlaLoadLoadable(NvMediaDla *dla)
    Loads the current loadable to the provided NvMediaDla context.
    NvMediaDlaTensorDescriptor::numAttrs
    uint32_t numAttrs
    Holds the number of tensor attributes in tensorAttrs[ ].
    Definition: nvmedia_dla.h:151
    NvMediaDlaLoadableCreate
    NvMediaStatus NvMediaDlaLoadableCreate(NvMediaDla *dla, NvMediaDlaLoadable **loadable)
    Creates a loadable handle.
    NvMediaDlaLoadableDestroy
    NvMediaStatus NvMediaDlaLoadableDestroy(const NvMediaDla *dla, NvMediaDlaLoadable *loadable)
    Destroys a loadable handle.
    NvMediaDlaTensorDescriptor
    Holds tensor attributes.
    Definition: nvmedia_dla.h:145
    NvMediaDlaGetVersion
    NvMediaStatus NvMediaDlaGetVersion(NvMediaVersion *version)
    Returns the version information for the NvMediaDla library.
    NvMediaDlaBinaryLoadable::loadableSize
    uint64_t loadableSize
    Size (in bytes) of in-memory loadable.
    Definition: nvmedia_dla.h:129
    NvMediaDlaBinaryLoadable
    Holds attributes for populating binary loadables for NvMediaDla.
    Definition: nvmedia_dla.h:125
    NvMediaDlaPingById
    NvMediaStatus NvMediaDlaPingById(const uint32_t dlaId)
    Checks the status of the DLA engine.
    NvMediaDla
    struct NvMediaDla NvMediaDla
    Holds a handle to the NvMedia DLA device.
    Definition: nvmedia_dla.h:74
    NvMediaDlaGetInputTensorDescriptor
    NvMediaStatus NvMediaDlaGetInputTensorDescriptor(const NvMediaDla *dla, const uint32_t idx, NvMediaDlaTensorDescriptor *descriptor)
    Gets the input tensor descriptor for the current loadable in the NvMediaDla context.
    NvMediaDlaSubmitBypass
    NvMediaStatus NvMediaDlaSubmitBypass(NvMediaDla *dla, const NvMediaDlaArgs *inputArgs, const NvMediaDlaArgs *scratchpadArgs, const NvMediaDlaArgs *outputArgs)
    Submits a job to the DLA but its execution is skipped.
    NvMediaDlaData::type
    NvMediaDlaDataType type
    An NvMediaDlaDataType type.
    Definition: nvmedia_dla.h:109
    NVMEDIA_DLA_DATA_TYPE_TENSOR
    @ NVMEDIA_DLA_DATA_TYPE_TENSOR
    NvMediaTensor data type.
    Definition: nvmedia_dla.h:93
    NvMediaDlaDestroy
    NvMediaStatus NvMediaDlaDestroy(NvMediaDla *dla)
    Destroys a DLA engine instance created by NvMediaDlaCreate().
    NvMediaTensorAttr
    Holds tensor creation attributes.
    Definition: nvmedia_tensor.h:150
    NvMediaDlaSetCurrentLoadable
    NvMediaStatus NvMediaDlaSetCurrentLoadable(NvMediaDla *dla, const NvMediaDlaLoadable *loadable)
    Sets the current loadable for the NvMediaDla.
    NvMediaDlaCreate
    NvMediaDla * NvMediaDlaCreate(void)
    Creates a default context for NvMediaDla.
    NvMediaDlaData::pointer
    NvMediaDlaDataPointer pointer
    A pointer to NvMediaDlaDataPointer.
    Definition: nvmedia_dla.h:111
    NvMediaDlaDataType
    NvMediaDlaDataType
    Defines the data types that DLA can operate on.
    Definition: nvmedia_dla.h:91
    NvMediaDlaGetNumTasks
    NvMediaStatus NvMediaDlaGetNumTasks(const NvMediaDla *dla, uint32_t *numTasks)
    Returns the number of outstanding tasks of NvMediaDla.
    NvMediaDlaUMDVersion::subMinor
    uint8_t subMinor
    Sub-minor version.
    Definition: nvmedia_dla.h:85
    NvMediaDlaArgs::dlaData
    NvMediaDlaData * dlaData
    Pointer to array of NvMediaDlaData.
    Definition: nvmedia_dla.h:137
    NvMediaDlaData
    Specifies the data type and data pointer.
    Definition: nvmedia_dla.h:107
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