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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  * SPDX-FileCopyrightText: Copyright (c) 2017-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
    3  * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
    4  *
    5  * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
    6  * property and proprietary rights in and to this material, related
    7  * documentation and any modifications thereto. Any use, reproduction,
    8  * disclosure or distribution of this material and related documentation
    9  * without an express license agreement from NVIDIA CORPORATION or
    10  * its affiliates is strictly prohibited.
    11  */
    12 
    20 #ifndef NVMEDIA_DLA_H
    21 #define NVMEDIA_DLA_H
    22 
    23 #ifdef __cplusplus
    24 extern "C" {
    25 #endif
    26 
    27 #include "nvmedia_core.h"
    28 #include "nvmedia_tensor.h"
    29 
    51 #define NVMEDIA_DLA_VERSION_MAJOR 4
    52 
    53 #define NVMEDIA_DLA_VERSION_MINOR 0
    54 
    55 #define NVMEDIA_DLA_VERSION_PATCH 0
    56 
    67 #define NVMEDIA_DLA_TENSOR_DESC_NAME_MAX_LEN (80U)
    68 
    70 #define NVMEDIA_DLA_DEFAULT_TASKTIMEOUT (100000U)
    71 
    78 typedef struct NvMediaDla NvMediaDla;
    79 
    83 typedef struct {
    85  uint8_t major;
    87  uint8_t minor;
    89  uint8_t subMinor;
    91 
    95 typedef enum {
    99 
    103 typedef struct {
    107 
    111 typedef struct {
    117 
    125 
    129 typedef struct {
    131  uint8_t const *loadable;
    133  uint64_t loadableSize;
    135 
    139 typedef struct {
    143  uint32_t numArgs;
    145 
    149 typedef struct {
    155  uint32_t numAttrs;
    157 
    196  NvMediaVersion *version
    197 );
    198 
    235  const uint32_t dlaId
    236 );
    237 
    265 NvMediaDla *
    266 NvMediaDlaCreate(void);
    267 
    301  NvMediaDla *dla
    302 );
    303 
    342  const NvMediaDla *dla,
    343  NvMediaDlaUMDVersion *version
    344 );
    345 
    382  const NvMediaDla *dla,
    383  uint16_t *numEngines
    384 );
    385 
    424  const NvMediaDla *dla,
    425  uint32_t *maxOutstandingTasks
    426 );
    427 
    471  NvMediaDla *dla,
    472  uint32_t dlaId,
    473  uint32_t numTasks
    474 );
    475 
    516  const NvMediaDla *dla,
    517  uint32_t *dlaId
    518 );
    519 
    560  const NvMediaDla *dla,
    561  uint32_t *numTasks
    562 );
    563 
    601  NvMediaDla *dla,
    602  NvMediaDlaLoadable **loadable
    603 );
    604 
    641  const NvMediaDla *dla,
    642  NvMediaDlaLoadable *loadable
    643 );
    644 
    694  const NvMediaDla *dla,
    695  const NvMediaDlaBinaryLoadable binaryLoadable,
    696  NvMediaDlaLoadable *loadable
    697 );
    698 
    745  const NvMediaDla *dla,
    746  NvMediaDlaLoadable *loadable
    747 );
    748 
    788  NvMediaDla *dla,
    789  const NvMediaDlaLoadable *loadable
    790 );
    791 
    832  const NvMediaDla *dla,
    833  int32_t *numOfInputTensors
    834 );
    835 
    879  const NvMediaDla *dla,
    880  const uint32_t idx,
    881  NvMediaDlaTensorDescriptor *descriptor
    882 );
    883 
    924  const NvMediaDla *dla,
    925  int32_t *numOfOutputTensors
    926 );
    927 
    972  const NvMediaDla *dla,
    973  const uint32_t idx,
    974  NvMediaDlaTensorDescriptor *descriptor
    975 );
    976 
    1015  const NvMediaDla *dla,
    1016  const NvMediaDlaData *dlaData,
    1017  uint32_t flags
    1018 );
    1019 
    1059  const NvMediaDla *dla,
    1060  const NvMediaDlaData *dlaData
    1061 );
    1062 
    1098  NvMediaDla *dla
    1099 );
    1100 
    1139  NvMediaDla *dla
    1140 );
    1141 
    1217  NvMediaDla *dla,
    1218  const NvMediaDlaArgs *inputArgs,
    1219  const NvMediaDlaArgs *scratchpadArgs,
    1220  const NvMediaDlaArgs *outputArgs,
    1221  uint32_t taskTimeout
    1222 );
    1223 
    1292  NvMediaDla *dla,
    1293  const NvMediaDlaArgs *inputArgs,
    1294  const NvMediaDlaArgs *scratchpadArgs,
    1295  const NvMediaDlaArgs *outputArgs
    1296 );
    1297 
    1298 /*
    1299  * \defgroup history_nvmedia_dla History
    1300  * Provides change history for the NvMedia DLA API.
    1301  *
    1302  * \section history_nvmedia_dla Version History
    1303  *
    1304  * <b> Version 1.0 </b> Oct 31, 2017
    1305  * - Initial Release.
    1306  *
    1307  * <b> Version 1.1 </b> Feb 12, 2018
    1308  * - Add separate functionality to load from memory.
    1309  *
    1310  * <b> Version 1.2 </b> Mar 12, 2018
    1311  * - Add query API's for version, num engines, maxOutstandingRequests.
    1312  *
    1313  * <c> Version 1.3 </b> Mar 26, 2018
    1314  * - Add helper to query tensor descriptor.
    1315  *
    1316  * <c> Version 1.4 </b> May 3, 2018
    1317  * - Add dynamic task timeout support.
    1318  *
    1319  * <c> Version 2.0 </b> June 26, 2018
    1320  * - Remove load using filename functionality.
    1321  *
    1322  * <c> Version 2.1 </b> August 13, 2018
    1323  * - Add NvMediaDlaPingById. NvMediaDlaPing will be deprecated in the future.
    1324  *
    1325  * <c> Version 2.2 </b> Oct 1, 2018
    1326  * - Add new API NvMediaDlaGetUMDVersion and data structure NvMediaDlaUMDVersion.
    1327  *
    1328  * <c> Version 2.3 </b> Dec 14, 2018
    1329  * - Add new API NvMediaLoadableIdCreate, NvMediaLoadableIdDestroy,
    1330  * NvMediaDlaAppendLoadable, NvMediaDlaLoadLoadable, NvMediaDlaSetCurrentLoadable,
    1331  * NvMediaDlaInit, NvMediaDlaGetScratchpadDescriptor and NvMediaDlaBindScratchpad.
    1332  * - Add new structure NvMediaDlaLoadableId, NvMediaDlaLoadable and NvMediaDlaScratchpadDescriptor.
    1333  *
    1334  * <c> Version 2.4 </b> Jan 9, 2019
    1335  * - Remove NvMediaImage as Dla data.
    1336  *
    1337  * <c> Version 2.5 </b> Mar 7, 2019
    1338  * - Rename NvMediaLoadableIdCreate to NvMediaDlaLoadableIdCreate.
    1339  * - Rename NvMediaLoadableIdDestroy to NvMediaDlaLoadableIdDestroy.
    1340  *
    1341  * <c> Version 2.6 </b> Mar 11, 2019
    1342  * - Add new API NvMediaDlaDataRegister and NvMediaDlaDataUnRegister.
    1343  *
    1344  * <c> Version 2.7 </b> Mar 13, 2019
    1345  * - Deprecate NvMediaDlaPing API.
    1346  *
    1347  * <c> Version 2.8 </b> Mar 14, 2019
    1348  * - Deprecate NvMediaDlaSubmit API.
    1349  *
    1350  * <c> Version 3.0 </b> April 19, 2019
    1351  * - Add NvMediaDlaSubmit as new API for task submission.
    1352  * - Move to new APIs for NvMediaDla programming.
    1353  * - Mark NvMediaDlaLoadFromMemory, NvMediaDlaSubmitTimeout
    1354  * and NvMediaDlaGetMaxOutstandingRequests as deprecated APIs.
    1355  *
    1356  * <c> Version 3.1 </b> July 08, 2019
    1357  * - Remove the restriction of calling sequence for data registration.
    1358  *
    1359  * <c> Version 3.2 </b> July 30, 2019
    1360  * - Deleting NvMediaDlaGetScratchpadDescriptor and NvMediaDlaBindScratchpad.
    1361  * - added const for parameters in APIs that do not modify the parameter
    1362  *
    1363  * <c> Version 3.3 </b> Sep 9th, 2019
    1364  * - Deprecate following APIs: NvMediaDlaLoadFromMemory, NvMediaDlaSubmitTimeout
    1365  * and NvMediaDlaGetMaxOutstandingRequests
    1366  *
    1367  * <c> Version 3.4 </b> Jan 22, 2020
    1368  * - Add const to NvMediaDlaSubmit to comply with MISRA rule 8.13
    1369  *
    1370  * <c> Version 3.5 </b> Mar 28, 2020
    1371  * - Update possible return status of NvMediaDlaGetNumEngines, NvMediaDlaGetInstanceId,
    1372  * NvMediaDlaGetNumTasks, NvMediaDlaSubmit.
    1373  *
    1374  * <c> Version 3.6 </b> Apr 24, 2020
    1375  * - Removed const from NvMediaDlaSetCurrentLoadable and
    1376  * NvMediaDlaRemoveLoadable to support new functionality
    1377  *
    1378  * <c> Version 3.7 </b> Nov 30, 2020
    1379  * - Updated doxygen comments for NvMediaDlaSubmit.
    1380  *
    1381  * <c> Version 3.8 </b> Jan 5, 2021
    1382  * - Updated last sentence of NvMediaDlaSubmit restrictions.
    1383  *
    1384  * <c> Version 3.9 </b> Mar 1, 2021
    1385  * - Updated doxy comments for NvMediaDlaSubmit,NvMediaDlaGetInput/OutputTensorDescriptor.
    1386  *
    1387  * <c> Version 3.10 </b> Mar 22, 2021
    1388  * - Updated doxy comments for NvMediaDlaAppendLoadable.
    1389  *
    1390  * <c> Version 3.11 </b> Jul 20, 2021
    1391  * - Added "submit with bypass execution" feature (NvMediaDlaSubmitBypass).
    1392  *
    1393  * <b> Version 3.12 </b> August 20, 2021
    1394  * - Update doxygen comments for All APIs to have Thread safety information and API Group information
    1395  *
    1396  * <b> Version 4.0 </b> September 2, 2021
    1397  * - Adding Const Qualifier for loadable member in NvMediaDlaBinaryLoadable
    1398  *
    1399  * <b> Version 4.0 </b> February 08, 2022
    1400  * - Updated the doxygen comments with usage considerations for all APIs.
    1401  *
    1402  * <b> Version 4.0 </b> April 04, 2022
    1403  * - Updated doxy comments for NvMediaDlaAppendLoadable, NvMediaDlaRemoveLoadable.
    1404  * - Updated valid range for structures.
    1405  *
    1406  * <b> Version 4.0.0 </b> May 10, 2022
    1407  * - Added patch version number macro: NVMEDIA_DLA_VERSION_PATCH.
    1408  *
    1409  */
    1414 #ifdef __cplusplus
    1415 }
    1416 #endif
    1417 
    1418 #endif // NVMEDIA_DLA_H
    NvMediaDlaDataPointer::tensor
    NvMediaTensor * tensor
    A pointer to NvMediaTensor.
    Definition: nvmedia_dla.h:105
    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:87
    NvMediaDlaArgs
    Holds input and output DLA data.
    Definition: nvmedia_dla.h:139
    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:103
    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:124
    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:131
    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:164
    NvMediaDlaUMDVersion
    Holds the DLA UMD version.
    Definition: nvmedia_dla.h:83
    NvMediaDlaArgs::numArgs
    uint32_t numArgs
    Number of NvMediaDlaData.
    Definition: nvmedia_dla.h:143
    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:85
    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:88
    NVM_TENSOR_ATTR_MAX
    @ NVM_TENSOR_ATTR_MAX
    Defines the maximum number of tensor creation attributes.
    Definition: nvmedia_tensor.h:118
    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.
    NvMediaDlaAppendDiagnosticLoadable
    NvMediaStatus NvMediaDlaAppendDiagnosticLoadable(const NvMediaDla *dla, NvMediaDlaLoadable *loadable)
    Appends diagnostic loadable to the NvMediaDla context.
    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:67
    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:155
    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:149
    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:133
    NvMediaDlaBinaryLoadable
    Holds attributes for populating binary loadables for NvMediaDla.
    Definition: nvmedia_dla.h:129
    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:78
    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:113
    NVMEDIA_DLA_DATA_TYPE_TENSOR
    @ NVMEDIA_DLA_DATA_TYPE_TENSOR
    NvMediaTensor data type.
    Definition: nvmedia_dla.h:97
    NvMediaDlaDestroy
    NvMediaStatus NvMediaDlaDestroy(NvMediaDla *dla)
    Destroys a DLA engine instance created by NvMediaDlaCreate().
    NvMediaTensorAttr
    Holds tensor creation attributes.
    Definition: nvmedia_tensor.h:155
    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:115
    NvMediaDlaDataType
    NvMediaDlaDataType
    Defines the data types that DLA can operate on.
    Definition: nvmedia_dla.h:95
    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:89
    NvMediaDlaArgs::dlaData
    NvMediaDlaData * dlaData
    Pointer to array of NvMediaDlaData.
    Definition: nvmedia_dla.h:141
    NvMediaDlaData
    Specifies the data type and data pointer.
    Definition: nvmedia_dla.h:111
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