Leaked source code of windows server 2003
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//////////////////////////////////////////////////////////////////////////////////////////
// Card and Port device extension structures.
//
//////////////////////////////////////////////////////////////////////////////////////////
#ifndef SPX_CARD_H
#define SPX_CARD_H
typedef struct _CARD_DEVICE_EXTENSION *PCARD_DEV_EXT;typedef struct _PORT_DEVICE_EXTENSION *PPORT_DEV_EXT;
//////////////////////////////////////////////////////////////////////////////////////////
// Common header for all the device extensions
// Common to all the PDOs and FDOs (cards and ports).
//////////////////////////////////////////////////////////////////////////////////////////
typedef struct _COMMON_OBJECT_DATA{ PDEVICE_OBJECT DeviceObject; // A backpointer to the device object that contains this device extension.
PDRIVER_OBJECT DriverObject; // Pointer to Driver Object
BOOLEAN IsFDO; // A boolean to distringuish between PDO and FDO.
PDEVICE_OBJECT LowerDeviceObject; // This is a pointer to the next lower device in the IRP stack.
ULONG DebugLevel;
ULONG PnpPowerFlags; // Plug & Play / Power flags
KSPIN_LOCK PnpPowerFlagsLock; // Lock for protecting the flags
BOOLEAN PowerQueryLock; // Are we currently in a query power state?
LIST_ENTRY StalledIrpQueue; // List of stalled IRPs
KSPIN_LOCK StalledIrpLock; // Lock for protecting stalled IRPs
BOOLEAN UnstallingFlag; // Flag set if we are unstalling IRPs currently queued.
#ifndef BUILD_SPXMINIPORT
SYSTEM_POWER_STATE SystemState; // Current System Power State
DEVICE_POWER_STATE DeviceState; // Current Device Power State
#endif
#ifdef WMI_SUPPORT
WMILIB_CONTEXT WmiLibInfo; // WMI Information
#endif
} COMMON_OBJECT_DATA, *PCOMMON_OBJECT_DATA;
//////////////////////////////////////////////////////////////////////////////////////////
// Common Card Configuration Data.
// Information not specific to product.
//////////////////////////////////////////////////////////////////////////////////////////
typedef struct _CONFIG_DATA { PHYSICAL_ADDRESS RawPhysAddr; // Raw physical address of card
PHYSICAL_ADDRESS PhysAddr; // Translated Physical address of card.
PUCHAR Controller; // Virtual mapped sddress of card.
ULONG SpanOfController; // Size of memory used by Cord.
INTERFACE_TYPE InterfaceType; // Type of card (Isa or Pci)
ULONG BusNumber; // Bus number card is using.
ULONG SlotNumber; // Slot number on bus.
ULONG AddressSpace; // Flag used by SX
ULONG OriginalVector; // Original Vector (bus relative)
ULONG OriginalIrql; // Original Irql (bus relative)
ULONG TrVector; // Translated Vector (system relative).
KIRQL TrIrql; // Translated Irql (system relative).
KINTERRUPT_MODE InterruptMode; // Interrupt mode (LevelSensitive or Latched)
BOOLEAN InterruptShareable; // Interrupt shareable flag.
KAFFINITY ProcessorAffinity; // Processor affintity.
PKSERVICE_ROUTINE OurIsr; // Points to interrupt service routine.
PVOID OurIsrContext; // Points to card device extension.
PKINTERRUPT Interrupt; // Points to the interrupt object used by the card.
ULONG ClockRate; // ClockRate.
} CONFIG_DATA,*PCONFIG_DATA;
//////////////////////////////////////////////////////////////////////////////////////////
// Common Card Device Extenstion.
// Information not specific to product.
//////////////////////////////////////////////////////////////////////////////////////////
typedef struct _COMMON_CARD_DEVICE_EXTENSION {
COMMON_OBJECT_DATA; // Common Object Data
CONFIG_DATA; // Card Config Data
PDEVICE_OBJECT PDO; // Pointer to Physical Device Object
UNICODE_STRING DeviceName; // Device name.
ULONG CardNumber; ULONG NumberOfPorts; // Number of ports attached to card.
ULONG NumPDOs; // The PDOs currently enumerated.
ULONG CardType; // Defines the type of host card.
PDEVICE_OBJECT AttachedPDO[PRODUCT_MAX_PORTS]; // Array of pointers to PDOs for ports attached to card.
} COMMON_CARD_DEVICE_EXTENSION, *PCOMMON_CARD_DEVICE_EXTENSION;
typedef struct _PORT_PERFORMANCE_STATS{ SERIALPERF_STATS;
// IRPs with a Major Function of IRP_MJ_WRITE
ULONG WriteIrpsSubmitted; ULONG WriteIrpsCompleted; ULONG WriteIrpsCancelled; ULONG WriteIrpsTimedOut; ULONG WriteIrpsQueued;
// IRPs with a Major Function of IRP_MJ_READ
ULONG ReadIrpsSubmitted; ULONG ReadIrpsCompleted; ULONG ReadIrpsCancelled; ULONG ReadIrpsTimedOut; ULONG ReadIrpsQueued;
// IRPs with a Major Function of IRP_MJ_FLUSH_BUFFERS
ULONG FlushIrpsSubmitted; ULONG FlushIrpsCompleted; ULONG FlushIrpsCancelled; ULONG FlushIrpsQueued;
// IRPs with a Major Function of IRP_MJ_DEVICE_CONTROL
ULONG IoctlIrpsSubmitted; ULONG IoctlIrpsCompleted; ULONG IoctlIrpsCancelled;
// IRPs with a Major Function of IRP_MJ_INTERNAL_DEVICE_CONTROL
ULONG InternalIoctlIrpsSubmitted; ULONG InternalIoctlIrpsCompleted; ULONG InternalIoctlIrpsCancelled;
// IRPs with a Major Function of IRP_MJ_CREATE
ULONG CreateIrpsSubmitted; ULONG CreateIrpsCompleted; ULONG CreateIrpsCancelled;
// IRPs with a Major Function of IRP_MJ_CLOSE
ULONG CloseIrpsSubmitted; ULONG CloseIrpsCompleted; ULONG CloseIrpsCancelled;
// IRPs with a Major Function of IRP_MJ_CLEANUP
ULONG CleanUpIrpsSubmitted; ULONG CleanUpIrpsCompleted; ULONG CleanUpIrpsCancelled;
// IRPs with a Major Function of IRP_MJ_QUERY_INFORMATION and IRP_MJ_SET_INFORMATION
ULONG InfoIrpsSubmitted; ULONG InfoIrpsCompleted; ULONG InfoIrpsCancelled;
} PORT_PERFORMANCE_STATS, *PPORT_PERFORMANCE_STATS;
//////////////////////////////////////////////////////////////////////////////////////////
// Common Port Device Extenstion.
// Information not specific to product.
//////////////////////////////////////////////////////////////////////////////////////////
typedef struct _COMMON_PORT_DEVICE_EXTENSION {
COMMON_OBJECT_DATA; // Common Object Data
PDEVICE_OBJECT ParentFDO; // A back pointer to the bus FDO (this will be the LowerDeviceObject)
PCARD_DEV_EXT pParentCardExt; // Pointer to parent card device structure
UNICODE_STRING DeviceName; // Device name eg. "\Device\PortName#".
UNICODE_STRING DeviceClassSymbolicName; // Device Interface Name
UNICODE_STRING SerialCommEntry; // Device name in SERIALCOMM Reg key eg. "PortName#".
ULONG PortNumber; // Port number.
UNICODE_STRING DeviceID; // Format: bus\device (must be most specific HardwareID)
UNICODE_STRING InstanceID; // Instance ID
BOOLEAN UniqueInstanceID; // TRUE if InstanceID is gloablly unique, FALSE otherwise.
UNICODE_STRING HardwareIDs; // Format bus\device or *PNPXXXX - meaning root enumerated
UNICODE_STRING CompatibleIDs; // Compatible IDs to the Hardware ID
UNICODE_STRING DevDesc; // Text describing device
UNICODE_STRING DevLocation; // Text describing device location
UNICODE_STRING DosName; // Dos device name "COM#"
UNICODE_STRING SymbolicLinkName; // External Device Name eg."\DosDevices\COM#".
BOOLEAN CreatedSymbolicLink; // Flag to indicate that a symbolic link has been created.
BOOLEAN CreatedSerialCommEntry; // Flag to indicate that a reg entry has been created in "SERIALCOMM"
BOOLEAN DeviceIsOpen; // Flag to indicate when the port is open
ULONG SavedModemControl; // DTR/RTS signal states saved during power down
FAST_MUTEX OpenMutex; // Mutex on open status
#ifdef WMI_SUPPORT
SERIAL_WMI_COMM_DATA WmiCommData; // WMI Comm Data
SERIAL_WMI_HW_DATA WmiHwData; // WMI HW Data
SERIAL_WMI_PERF_DATA WmiPerfData; // WMI Performance Data
#endif
//
// Holds performance statistics that applications can query.
// Reset on each open. Only set at device level.
//
PORT_PERFORMANCE_STATS PerfStats;
} COMMON_PORT_DEVICE_EXTENSION, *PCOMMON_PORT_DEVICE_EXTENSION;
#endif // End of SPX_CARD.H
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