chore: import upstream snapshot with attribution

python/tvm/target/virtual_device.py

@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ruff: noqa: F821
+"""Python bindings for creating VirtualDevices."""
+
+import tvm_ffi
+
+from . import _ffi_api
+
+
+@tvm_ffi.register_object("target.VirtualDevice")
+class VirtualDevice(tvm_ffi.core.Object):
+    """A compile time representation for where data is to be stored at runtime,
+    and how to compile code to compute it."""
+
+    def __init__(self, device=None, target=None, memory_scope="") -> None:
+        if device is None:
+            # The 'unconstrained' device has device type -1 and device id -1.
+            device = tvm.device(-1, -1)
+        self.__init_handle_by_constructor__(
+            _ffi_api.VirtualDevice_ForDeviceTargetAndMemoryScope, device, target, memory_scope
+        )
+
+    def dlpack_device_type(self) -> int:
+        return self.device_type_int