added feature for hipHostGetFlags for CUDA and HIP

include/hcc_detail/hip_runtime_api.h

@@ -687,6 +687,15 @@ hipError_t hipHostAlloc(void** ptr, size_t size, unsigned int flags) ;
  */
 hipError_t hipHostGetDevicePointer(void** devPtr, void* hstPtr, size_t size) ;
 
+/**
+ *  @brief Get flags associated with host pointer
+ *
+ *  @param[out]  flagsPtr Memory location to store flags
+ *  @param[in] hostPtr Host Pointer allocated through hipHostAlloc
+ *  @return Error code
+ */
+hipError_t hipHostGetFlags(unsigned int* flagsPtr, void* hostPtr) ;
+
 /**
  *  @brief Free memory allocated by the hcc hip memory allocation API.
  *  This API performs an implicit hipDeviceSynchronize() call.

include/nvcc_detail/hip_runtime_api.h

@@ -128,6 +128,10 @@ inline static hipError_t hipHostGetDevicePointer(void** devPtr, void* hostPtr, u
 	return hipCUDAErrorTohipError(cudaHostGetDevicePointer(devPtr, hostPtr, flags));
 }
 
+inline static hipError_ hipHostGetFlags(unsigned int* flagsPtr, void* hostPtr){
+	return hipCUDAErrorTohipError(cudaHostGetFlags(flagsPtr, hostPtr));
+}
+
 inline static hipError_t hipFreeHost(void* ptr) {
     return hipCUDAErrorTohipError(cudaFreeHost(ptr));
 }