Remove deprecated implementation of hsaKmtMapGraphicHandle

The KFD implementation has been removed and will not be upstreamed.
This API has been superseded by hsaKmtRegisterGraphicsHandleToNodes.

Change-Id: I5f2d8da3260974618cdb6ea3fdcd77d37b82c9cb
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Amber Lin <Amber.Lin@amd.com>


[ROCm/ROCR-Runtime commit: 374bd89d8c]

projects/rocr-runtime/src/fmm.c

@@ -1235,65 +1235,6 @@ void *fmm_allocate_host(uint32_t node_id, uint64_t MemorySizeInBytes,
 	return fmm_allocate_host_cpu(MemorySizeInBytes, flags);
 }
 
-void *fmm_open_graphic_handle(uint32_t gpu_id,
-		int32_t graphic_device_handle,
-		uint32_t graphic_handle,
-		uint64_t MemorySizeInBytes)
-{
-
-	void *mem = NULL;
-	int32_t i = gpu_mem_find_by_gpu_id(gpu_id);
-	struct kfd_ioctl_open_graphic_handle_args open_graphic_handle_args;
-	struct kfd_ioctl_unmap_memory_from_gpu_args unmap_args;
-
-	/* If not found or aperture isn't properly initialized/supported */
-	if (i < 0 || !aperture_is_valid(gpu_mem[i].gpuvm_aperture.base,
-					gpu_mem[i].gpuvm_aperture.limit))
-		return NULL;
-
-	pthread_mutex_lock(&gpu_mem[i].gpuvm_aperture.fmm_mutex);
-	/* Allocate address space */
-	mem = aperture_allocate_area(&gpu_mem[i].gpuvm_aperture,
-					MemorySizeInBytes, GPUVM_APP_OFFSET);
-	if (!mem)
-		goto out;
-
-	/* Allocate local memory */
-	open_graphic_handle_args.gpu_id = gpu_id;
-	open_graphic_handle_args.graphic_device_fd = graphic_device_handle;
-	open_graphic_handle_args.graphic_handle = graphic_handle;
-	open_graphic_handle_args.va_addr =
-			VOID_PTRS_SUB(mem, gpu_mem[i].gpuvm_aperture.base);
-
-	if (kmtIoctl(kfd_fd, AMDKFD_IOC_OPEN_GRAPHIC_HANDLE,
-			&open_graphic_handle_args))
-		goto release_area;
-
-	/* Allocate object */
-	if (!aperture_allocate_object(&gpu_mem[i].gpuvm_aperture, mem,
-					open_graphic_handle_args.handle,
-					MemorySizeInBytes, 0))
-		goto release_mem;
-
-	pthread_mutex_unlock(&gpu_mem[i].gpuvm_aperture.fmm_mutex);
-
-	/* That's all. Just return the new address */
-	return mem;
-
-release_mem:
-	unmap_args.handle = open_graphic_handle_args.handle;
-	unmap_args.device_ids_array_ptr = 0;
-	unmap_args.device_ids_array_size = 0;
-	kmtIoctl(kfd_fd, AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU, &unmap_args);
-release_area:
-	aperture_release_area(&gpu_mem[i].gpuvm_aperture, mem,
-				MemorySizeInBytes);
-out:
-	pthread_mutex_unlock(&gpu_mem[i].gpuvm_aperture.fmm_mutex);
-
-	return NULL;
-}
-
 static void __fmm_release(void *address, manageable_aperture_t *aperture)
 {
 	struct kfd_ioctl_free_memory_of_gpu_args args;

projects/rocr-runtime/src/fmm.h

@@ -53,10 +53,6 @@ void *fmm_allocate_device(uint32_t gpu_id, uint64_t MemorySizeInBytes, HsaMemFla
 void *fmm_allocate_doorbell(uint32_t gpu_id, uint64_t MemorySizeInBytes, uint64_t doorbell_offset);
 void *fmm_allocate_host(uint32_t node_id, uint64_t MemorySizeInBytes,
 			HsaMemFlags flags);
-void *fmm_open_graphic_handle(uint32_t gpu_id,
-		int32_t graphic_device_handle,
-		uint32_t graphic_handle,
-		uint64_t MemorySizeInBytes);
 void fmm_print(uint32_t node);
 bool fmm_is_inside_some_aperture(void *address);
 void fmm_release(void *address);

projects/rocr-runtime/src/memory.c

@@ -460,30 +460,12 @@ HSAKMT_STATUS HSAKMTAPI hsaKmtMapGraphicHandle(HSAuint32 NodeId,
 					       HSAuint64 GraphicResourceSize,
 					       HSAuint64 *FlatMemoryAddress)
 {
-
-	CHECK_KFD_OPEN();
-	HSAKMT_STATUS result;
-	uint32_t gpu_id;
-	void *graphic_handle;
-
-	if (GraphicResourceOffset != 0)
-		return HSAKMT_STATUS_NOT_IMPLEMENTED;
-
-	result = validate_nodeid(NodeId, &gpu_id);
-	if (result != HSAKMT_STATUS_SUCCESS)
-		return result;
-
-	graphic_handle = fmm_open_graphic_handle(gpu_id,
-						GraphicDeviceHandle,
-						GraphicResourceHandle,
-						GraphicResourceSize);
-
-	*FlatMemoryAddress = PORT_VPTR_TO_UINT64(graphic_handle);
-
-	if (*FlatMemoryAddress)
-		return HSAKMT_STATUS_SUCCESS;
-	else
-		return HSAKMT_STATUS_NO_MEMORY;
+	/* This API was only ever implemented in KFD for Kaveri and
+	 * was never upstreamed. There are no open-source users of
+	 * this interface. It has been superseded by
+	 * RegisterGraphicsHandleToNodes.
+	 */
+	return HSAKMT_STATUS_NOT_IMPLEMENTED;
 }
 
 HSAKMT_STATUS HSAKMTAPI hsaKmtUnmapGraphicHandle(HSAuint32 NodeId,