pci.h

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/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * Licensed 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.
 */
#pragma once
 
#include <fmt/core.h>
 
namespace cuttlefish {
namespace pci {
 
class Address {
 public:
  Address(unsigned int bus, unsigned int device, unsigned int function);
 
  unsigned int Bus() const { return bus_; };
  unsigned int Device() const { return device_; }
  unsigned int Function() const { return function_; }
  std::string Id() const {
    return fmt::format("{:02x}:{:02x}.{:01x}", bus_, device_, function_);
  }
 
 private:
  unsigned int bus_;
  unsigned int device_;
  unsigned int function_;
};
 
}  // namespace pci
}  // namespace cuttlefish