#pragma once

#include <lcrash/types.h>

/**
 * bwaaaaaa, the many ways to touch PCI things
 */
struct [[gnu::packed]] PciConfigurationSpaceHeader {
	u16 VendorID;
	u16 DeviceID;
	u16 Status;
	u16 Command;
	u8  RevisionID : 8;
	u32 ClassCode : 24;
	u8  CacheLineSize;
	u8  MasterLatencyTimer;
	u8  HeaderType;
	u8  BIST;
	u8  Reserved[0x20];
	u8  CapabilitiesPointer;
	u8  Reserved2[7];
	u8  InterruptLine;
	u8  InterruptPin;
	u8  Reserved3[2];
};

/**
 * Initialize the PCI code.
 */
void PciInitialize();

/// PCI is usable
bool PciPresent();

/// PCIE is usable
bool PciePresent();