reactos/drivers/bus/pci/pci.h

   1 /* $Id: pci.h,v 1.6 2004/03/14 17:10:43 navaraf Exp $ */
   2
   3 #ifndef __PCI_H
   4 #define __PCI_H
   5
   6
   7 typedef enum {
   8   pbtUnknown = 0,
   9   pbtType1,
  10   pbtType2,
  11 } PCI_BUS_TYPE;
  12
  13
  14 typedef struct _PCI_DEVICE
  15 {
  16   // Entry on device list
  17   LIST_ENTRY ListEntry;
  18   // Physical Device Object of device
  19   PDEVICE_OBJECT Pdo;
  20   // PCI bus number
  21   ULONG BusNumber;
  22   // PCI slot number
  23   PCI_SLOT_NUMBER SlotNumber;
  24   // PCI configuration data
  25   PCI_COMMON_CONFIG PciConfig;
  26   // Flag used during enumeration to locate removed devices
  27   BOOLEAN RemovePending;
  28 } PCI_DEVICE, *PPCI_DEVICE;
  29
  30
  31 typedef enum {
  32   dsStopped,
  33   dsStarted,
  34   dsPaused,
  35   dsRemoved,
  36   dsSurpriseRemoved
  37 } PCI_DEVICE_STATE;
  38
  39
  40 typedef struct _COMMON_DEVICE_EXTENSION
  41 {
  42   // Pointer to device object, this device extension is associated with
  43   PDEVICE_OBJECT DeviceObject;
  44   // Wether this device extension is for an FDO or PDO
  45   BOOLEAN IsFDO;
  46   // Wether the device is removed
  47   BOOLEAN Removed;
  48   // Current device power state for the device
  49   DEVICE_POWER_STATE DevicePowerState;
  50 } __attribute((packed)) COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
  51
  52 /* Physical Device Object device extension for a child device */
  53 typedef struct _PDO_DEVICE_EXTENSION
  54 {
  55   // Common device data
  56   COMMON_DEVICE_EXTENSION Common;
  57   // Functional device object
  58   PDEVICE_OBJECT Fdo;
  59   // PCI bus number
  60   ULONG BusNumber;
  61   // PCI slot number
  62   PCI_SLOT_NUMBER SlotNumber;
  63   // Device ID
  64   UNICODE_STRING DeviceID;
  65   // Instance ID
  66   UNICODE_STRING InstanceID;
  67   // Hardware IDs
  68   UNICODE_STRING HardwareIDs;
  69   // Compatible IDs
  70   UNICODE_STRING CompatibleIDs;
  71   // Textual description of device
  72   UNICODE_STRING DeviceText;
  73   // Textual description of device
  74   UNICODE_STRING DeviceTextLocation;
  75 } __attribute((packed)) PDO_DEVICE_EXTENSION, *PPDO_DEVICE_EXTENSION;
  76
  77 /* Functional Device Object device extension for the PCI driver device object */
  78 typedef struct _FDO_DEVICE_EXTENSION
  79 {
  80   // Common device data
  81   COMMON_DEVICE_EXTENSION Common;
  82   // Current state of the driver
  83   PCI_DEVICE_STATE State;
  84   // Namespace device list
  85   LIST_ENTRY DeviceListHead;
  86   // Number of (not removed) devices in device list
  87   ULONG DeviceListCount;
  88   // Lock for namespace device list
  89   KSPIN_LOCK DeviceListLock;
  90   // Lower device object
  91   PDEVICE_OBJECT Ldo;
  92 } __attribute((packed)) FDO_DEVICE_EXTENSION, *PFDO_DEVICE_EXTENSION;
  93
  94
  95 /* fdo.c */
  96
  97 NTSTATUS
  98 FdoPnpControl(
  99   PDEVICE_OBJECT DeviceObject,
 100   PIRP Irp);
 101
 102 NTSTATUS
 103 FdoPowerControl(
 104   PDEVICE_OBJECT DeviceObject,
 105   PIRP Irp);
 106
 107 /* pci.c */
 108
 109 BOOLEAN
 110 PciCreateUnicodeString(
 111   PUNICODE_STRING Destination,
 112   PWSTR Source,
 113   POOL_TYPE PoolType);
 114
 115 /* pdo.c */
 116
 117 NTSTATUS
 118 PdoPnpControl(
 119   PDEVICE_OBJECT DeviceObject,
 120   PIRP Irp);
 121
 122 NTSTATUS
 123 PdoPowerControl(
 124   PDEVICE_OBJECT DeviceObject,
 125   PIRP Irp);
 126
 127 #endif  /*  __PCI_H  */