1 //
2 // Copyright (C) 2024 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15
16 #include "host/libs/vm_manager/pci.h"
17
18 #include <android-base/logging.h>
19
20 namespace cuttlefish {
21 namespace pci {
22 namespace {
23 constexpr unsigned int kMaxBus = 255;
24 constexpr unsigned int kMaxDevice = 31;
25 constexpr unsigned int kMaxFunction = 7;
26 } // namespace
27
Address(unsigned int bus,unsigned int device,unsigned int function)28 Address::Address(unsigned int bus, unsigned int device, unsigned int function)
29 : bus_(bus), device_(device), function_(function) {
30 if (bus_ > kMaxBus || device_ > kMaxDevice || function_ > kMaxFunction) {
31 LOG(FATAL) << "Failed to create PCI address instance with bus: " << bus_
32 << " device: " << device_ << " function: " << function_;
33 }
34 }
35
36 } // namespace pci
37 } // namespace cuttlefish