diff --git a/hipnv/include/hip/nvidia_detail/nvidia_hip_runtime_api.h b/hipnv/include/hip/nvidia_detail/nvidia_hip_runtime_api.h
index 11c4d03862..c340cb0b01 100644
--- a/hipnv/include/hip/nvidia_detail/nvidia_hip_runtime_api.h
+++ b/hipnv/include/hip/nvidia_detail/nvidia_hip_runtime_api.h
@@ -1284,6 +1284,7 @@ typedef enum cudaExternalMemoryHandleType hipExternalMemoryHandleType;
 typedef struct cudaExternalMemoryHandleDesc hipExternalMemoryHandleDesc;
 typedef struct cudaExternalMemoryBufferDesc hipExternalMemoryBufferDesc;
 typedef cudaExternalMemory_t hipExternalMemory_t;
+typedef cudaExternalMemoryMipmappedArrayDesc hipExternalMemoryMipmappedArrayDesc;
 
 typedef enum cudaExternalSemaphoreHandleType hipExternalSemaphoreHandleType;
 #define hipExternalSemaphoreHandleTypeOpaqueFd cudaExternalSemaphoreHandleTypeOpaqueFd
@@ -2944,6 +2945,14 @@ inline static hipError_t hipExternalMemoryGetMappedBuffer(void **devPtr, hipExte
   return hipCUDAErrorTohipError(cudaExternalMemoryGetMappedBuffer(devPtr, extMem, (const struct cudaExternalMemoryBufferDesc*)bufferDesc));
 }
 
+inline static hipError_t hipExternalMemoryGetMappedMipmappedArray(
+    hipMipmappedArray_t* mipmap, hipExternalMemory_t extMem,
+    const hipExternalMemoryMipmappedArrayDesc* mipmapDesc) {
+  return hipCUDAErrorTohipError(cudaExternalMemoryGetMappedMipmappedArray(
+      (cudaMipmappedArray_t*)mipmap, (cudaExternalMemory_t)extMem,
+      (const struct cudaExternalMemoryMipmappedArrayDesc*)mipmapDesc));
+}
+
 inline static hipError_t hipDestroyExternalMemory(hipExternalMemory_t extMem) {
   return hipCUDAErrorTohipError(cudaDestroyExternalMemory(extMem));
 }