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/*
* Copyright 2019 Google Inc.
*
* 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.
*/
#include "pci.hpp"
extern "C" {
#include <pci/pci.h>
} // extern "C"
#include <cstring>
#include <optional>
#include <vector>
namespace host_tool
{
std::vector<PciDevice>
PciUtilImpl::getPciDevices(std::optional<PciFilter> filter)
{
PciFilter test;
bool check = false;
std::vector<PciDevice> results;
if (filter.has_value())
{
test = filter.value();
check = true;
}
pci_scan_bus(pacc);
struct pci_dev* dev;
for (dev = pacc->devices; dev; dev = dev->next)
{
PciDevice item;
pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_CLASS);
item.bus = dev->bus;
item.dev = dev->dev;
item.func = dev->func;
item.vid = dev->vendor_id;
item.did = dev->device_id;
std::memcpy(item.bars, dev->base_addr, sizeof(dev->base_addr));
if (check)
{
if (test.vid == dev->vendor_id && test.did == dev->device_id)
{
results.push_back(item);
}
}
else
{
results.push_back(item);
}
}
return results;
}
} // namespace host_tool
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