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#pragma once
extern "C" {
#include <pci/pci.h>
} // extern "C"
#include <optional>
#include <vector>
namespace host_tool
{
/* The ASPEED AST2400 & AST2500 have the same VIDDID. */
/**
* The PciDevice structure is a copy of the information to uniquely identify a
* PCI device.
*/
struct PciDevice
{
std::uint16_t vid;
std::uint16_t did;
std::uint8_t bus;
std::uint8_t dev;
std::uint8_t func;
pciaddr_t bars[6];
};
/**
* The PciFilter structure is a simple mechanism for filtering devices by their
* vendor and/or device ids.
*/
struct PciFilter
{
std::uint16_t vid;
std::uint16_t did;
};
class PciUtilInterface
{
public:
virtual ~PciUtilInterface() = default;
/**
* Get a list of PCI devices from a system.
*
* @param[in] filter - optional filter for the list.
* @return the list of devices.
*/
virtual std::vector<PciDevice>
getPciDevices(std::optional<PciFilter> filter = std::nullopt) = 0;
};
class PciUtilImpl : public PciUtilInterface
{
public:
PciUtilImpl()
{
pacc = pci_alloc();
pci_init(pacc);
}
~PciUtilImpl()
{
pci_cleanup(pacc);
}
std::vector<PciDevice>
getPciDevices(std::optional<PciFilter> filter = std::nullopt) override;
private:
struct pci_access* pacc;
};
} // namespace host_tool
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