page_allocator.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_RUNTIME_CRT_PAGE_ALLOCATOR_H_
#define TVM_RUNTIME_CRT_PAGE_ALLOCATOR_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdlib.h>
#include <tvm/runtime/c_runtime_api.h>
#include <tvm/runtime/crt/error_codes.h>
 
extern int vleak_size;
 
typedef struct MemoryManagerInterface MemoryManagerInterface;
 
struct MemoryManagerInterface {
  tvm_crt_error_t (*Allocate)(MemoryManagerInterface* interface, size_t num_bytes, DLDevice dev,
                              void** out_ptr);
 
  tvm_crt_error_t (*Free)(MemoryManagerInterface* interface, void* ptr, DLDevice dev);
 
  int vleak_size;
};
 
tvm_crt_error_t PageMemoryManagerCreate(MemoryManagerInterface** manager, uint8_t* memory_pool,
                                        size_t memory_pool_size_bytes, size_t page_size_bytes_log2);
 
#ifdef __cplusplus
}  // extern "C"
#endif
 
#endif  // TVM_RUNTIME_CRT_PAGE_ALLOCATOR_H_