reactos/drivers/bus/pci/pci.h

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#ifndef _PCI_PCH_
#define _PCI_PCH_
#include <ntifs.h>
#include <cmreslist.h>
#include <ntstrsafe.h>
#define TAG_PCI '0ICP'
typedef struct _PCI_DEVICE
{
// Entry on device list
LIST_ENTRY ListEntry;
// Physical Device Object of device
PDEVICE_OBJECT Pdo;
// PCI bus number
ULONG BusNumber;
// PCI slot number
PCI_SLOT_NUMBER SlotNumber;
// PCI configuration data
PCI_COMMON_CONFIG PciConfig;
// Enable memory space
BOOLEAN EnableMemorySpace;
// Enable I/O space
BOOLEAN EnableIoSpace;
// Enable bus master
BOOLEAN EnableBusMaster;
// Whether the device is owned by the KD
BOOLEAN IsDebuggingDevice;
} PCI_DEVICE, *PPCI_DEVICE;
typedef enum
{
dsStopped,
dsStarted,
dsPaused,
dsRemoved,
dsSurpriseRemoved
} PCI_DEVICE_STATE;
typedef struct _COMMON_DEVICE_EXTENSION
{
// Pointer to device object, this device extension is associated with
PDEVICE_OBJECT DeviceObject;
// Wether this device extension is for an FDO or PDO
BOOLEAN IsFDO;
// Wether the device is removed
BOOLEAN Removed;
// Current device power state for the device
DEVICE_POWER_STATE DevicePowerState;
} COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
/* Physical Device Object device extension for a child device */
typedef struct _PDO_DEVICE_EXTENSION
{
// Common device data
COMMON_DEVICE_EXTENSION Common;
// Functional device object
PDEVICE_OBJECT Fdo;
// Pointer to PCI Device informations
PPCI_DEVICE PciDevice;
// Device ID
UNICODE_STRING DeviceID;
// Instance ID
UNICODE_STRING InstanceID;
// Hardware IDs
UNICODE_STRING HardwareIDs;
// Compatible IDs
UNICODE_STRING CompatibleIDs;
// Textual description of device
UNICODE_STRING DeviceDescription;
// Textual description of device location
UNICODE_STRING DeviceLocation;
// Number of interfaces references
LONG References;
} PDO_DEVICE_EXTENSION, *PPDO_DEVICE_EXTENSION;
/* Functional Device Object device extension for the PCI driver device object */
typedef struct _FDO_DEVICE_EXTENSION
{
// Common device data
COMMON_DEVICE_EXTENSION Common;
// Entry on device list
LIST_ENTRY ListEntry;
// PCI bus number serviced by this FDO
ULONG BusNumber;
// Current state of the driver
PCI_DEVICE_STATE State;
// Namespace device list
LIST_ENTRY DeviceListHead;
// Number of (not removed) devices in device list
ULONG DeviceListCount;
// Lock for namespace device list
KSPIN_LOCK DeviceListLock;
// Lower device object
PDEVICE_OBJECT Ldo;
} FDO_DEVICE_EXTENSION, *PFDO_DEVICE_EXTENSION;
/* Driver extension associated with PCI driver */
typedef struct _PCI_DRIVER_EXTENSION
{
//
LIST_ENTRY BusListHead;
// Lock for namespace bus list
KSPIN_LOCK BusListLock;
} PCI_DRIVER_EXTENSION, *PPCI_DRIVER_EXTENSION;
typedef union _PCI_TYPE1_CFG_CYCLE_BITS
{
struct
{
ULONG InUse:2;
ULONG RegisterNumber:6;
ULONG FunctionNumber:3;
ULONG DeviceNumber:5;
ULONG BusNumber:8;
ULONG Reserved2:8;
};
ULONG AsULONG;
} PCI_TYPE1_CFG_CYCLE_BITS, *PPCI_TYPE1_CFG_CYCLE_BITS;
/* We need a global variable to get the driver extension,
* because at least InterfacePciDevicePresent has no
* other way to get it... */
extern PPCI_DRIVER_EXTENSION DriverExtension;
extern BOOLEAN HasDebuggingDevice;
extern PCI_TYPE1_CFG_CYCLE_BITS PciDebuggingDevice[2];
/* fdo.c */
NTSTATUS
FdoPnpControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
NTSTATUS
FdoPowerControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
/* pci.c */
NTSTATUS
PciCreateDeviceIDString(
PUNICODE_STRING DeviceID,
PPCI_DEVICE Device);
NTSTATUS
PciCreateInstanceIDString(
PUNICODE_STRING InstanceID,
PPCI_DEVICE Device);
NTSTATUS
PciCreateHardwareIDsString(
PUNICODE_STRING HardwareIDs,
PPCI_DEVICE Device);
NTSTATUS
PciCreateCompatibleIDsString(
PUNICODE_STRING HardwareIDs,
PPCI_DEVICE Device);
NTSTATUS
PciCreateDeviceDescriptionString(
PUNICODE_STRING DeviceDescription,
PPCI_DEVICE Device);
NTSTATUS
PciCreateDeviceLocationString(
PUNICODE_STRING DeviceLocation,
PPCI_DEVICE Device);
NTSTATUS
PciDuplicateUnicodeString(
IN ULONG Flags,
IN PCUNICODE_STRING SourceString,
OUT PUNICODE_STRING DestinationString);
/* pdo.c */
NTSTATUS
PdoPnpControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
NTSTATUS
PdoPowerControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
CODE_SEG("INIT")
NTSTATUS
NTAPI
DriverEntry(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath);
#endif /* _PCI_PCH_ */