global_info.h

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/*
 * 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.
 */
 
#ifndef TVM_IR_GLOBAL_INFO_H_
#define TVM_IR_GLOBAL_INFO_H_
 
#include <tvm/ffi/reflection/registry.h>
#include <tvm/ir/expr.h>
#include <tvm/target/target.h>
 
namespace tvm {
 
using MemoryScope = String;
 
class GlobalInfoNode : public Object {
 public:
  static constexpr const char* _type_key = "ir.GlobalInfo";
 
  static constexpr TVMFFISEqHashKind _type_s_eq_hash_kind = kTVMFFISEqHashKindTreeNode;
 
  TVM_DECLARE_BASE_OBJECT_INFO(GlobalInfoNode, Object);
};
 
class GlobalInfo : public ObjectRef {
 public:
  TVM_DEFINE_OBJECT_REF_METHODS(GlobalInfo, ObjectRef, GlobalInfoNode);
};
 
class VDeviceNode : public GlobalInfoNode {
 public:
  Target target;
  int vdevice_id;
  MemoryScope memory_scope;
 
  static void RegisterReflection() {
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<VDeviceNode>()
        .def_ro("target", &VDeviceNode::target)
        .def_ro("vdevice_id", &VDeviceNode::vdevice_id)
        .def_ro("memory_scope", &VDeviceNode::memory_scope);
  }
 
  static constexpr const char* _type_key = "ir.VDevice";
  TVM_DECLARE_FINAL_OBJECT_INFO(VDeviceNode, GlobalInfoNode);
};
 
class VDevice : public GlobalInfo {
 public:
  TVM_DLL explicit VDevice(Target tgt, int dev_id, MemoryScope mem_scope);
  TVM_DEFINE_OBJECT_REF_METHODS(VDevice, GlobalInfo, VDeviceNode);
};
 
class DummyGlobalInfoNode : public GlobalInfoNode {
 public:
  static void RegisterReflection() {
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<DummyGlobalInfoNode>();
  }
 
  static constexpr const char* _type_key = "ir.DummyGlobalInfo";
  TVM_DECLARE_FINAL_OBJECT_INFO(DummyGlobalInfoNode, GlobalInfoNode);
};
 
class DummyGlobalInfo : public GlobalInfo {
 public:
  TVM_DEFINE_OBJECT_REF_METHODS(DummyGlobalInfo, GlobalInfo, DummyGlobalInfoNode);
};
 
}  // namespace tvm
 
#endif  // TVM_IR_GLOBAL_INFO_H_