Function QnnDevice_getPlatformInfo

Function Documentation

Qnn_ErrorHandle_t QnnDevice_getPlatformInfo(Qnn_LogHandle_t logger, const QnnDevice_PlatformInfo_t **platformInfo)

A function to get the collection of devices and cores that a QNN backend is able to recognize and communicate with. Memory is owned by the backend and deallocated with a call to QnnDevice_freePlatformInfo().

Parameters

  • logger – [in] A handle to the logger, use NULL handle to disable logging. QnnDevice doesn’t manage the lifecycle of logger and must be freed by using QnnLog_free().

  • platformInfo – [out] Information about the platform. Memory for this information is owned and managed by QNN backend.

Returns

Error code:

  • QNN_SUCCESS: no error is encountered

  • QNN_DEVICE_ERROR_INVALID_ARGUMENT: platformInfo is NULL

  • QNN_DEVICE_ERROR_UNSUPPORTED_FEATURE: API is not supported

  • QNN_DEVICE_ERROR_MEM_ALLOC: failure in allocating memory for platformInfo

  • QNN_DEVICE_ERROR_INVALID_HANDLE: invalid logger

Note

This function may not be supported for offline preparation

Note

Use corresponding API through QnnInterface_t.