path: root/winsup/w32api/include/ddk/srb.h

/*
 * scsi.h
 *
 * Interface between SCSI miniport drivers and the SCSI port driver.
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef __SRB_H
#define __SRB_H

#if __GNUC__ >=3
#pragma GCC system_header
#endif

#ifdef __cplusplus
extern "C" {
#endif

#pragma pack(push,4)

#include "ntddk.h"

#if defined(_SCSIPORT_)
  #define SCSIPORTAPI DECLSPEC_EXPORT
#else
  #define SCSIPORTAPI DECLSPEC_IMPORT
#endif

#if DBG
#define DebugPrint(x) ScsiDebugPrint x
#else
#define DebugPrint(x)
#endif

typedef PHYSICAL_ADDRESS SCSI_PHYSICAL_ADDRESS, *PSCSI_PHYSICAL_ADDRESS;

#define SP_UNINITIALIZED_VALUE            ((ULONG) ~0)
#define SP_UNTAGGED                       ((UCHAR) ~0)

#define SRB_SIMPLE_TAG_REQUEST            0x20
#define SRB_HEAD_OF_QUEUE_TAG_REQUEST     0x21
#define SRB_ORDERED_QUEUE_TAG_REQUEST     0x22

#define SRB_STATUS_QUEUE_FROZEN           0x40
#define SRB_STATUS_AUTOSENSE_VALID        0x80

#define SRB_STATUS(Status) \
  (Status & ~(SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_QUEUE_FROZEN))

#define MAXIMUM_CDB_SIZE                  12

#if DBG
#define SCSI_PORT_SIGNATURE               0x54524f50
#endif


#define SCSI_MAXIMUM_LOGICAL_UNITS        8
#define SCSI_MAXIMUM_TARGETS_PER_BUS      128
#define SCSI_MAXIMUM_LUNS_PER_TARGET      255
#define SCSI_MAXIMUM_BUSES                8
#define SCSI_MINIMUM_PHYSICAL_BREAKS      16
#define SCSI_MAXIMUM_PHYSICAL_BREAKS      255
#define SCSI_MAXIMUM_TARGETS              8

#define SRB_FUNCTION_WMI                  0x17

#define SRB_WMI_FLAGS_ADAPTER_REQUEST     0x0001

#define SP_BUS_PARITY_ERROR               0x0001
#define SP_UNEXPECTED_DISCONNECT          0x0002
#define SP_INVALID_RESELECTION            0x0003
#define SP_BUS_TIME_OUT                   0x0004
#define SP_PROTOCOL_ERROR                 0x0005
#define SP_INTERNAL_ADAPTER_ERROR         0x0006
#define SP_REQUEST_TIMEOUT                0x0007
#define SP_IRQ_NOT_RESPONDING             0x0008
#define SP_BAD_FW_WARNING                 0x0009
#define SP_BAD_FW_ERROR                   0x000a
#define SP_LOST_WMI_MINIPORT_REQUEST      0x000b

/* SCSI_REQUEST_BLOCK.Function constants */
#define SRB_FUNCTION_EXECUTE_SCSI         0x00
#define SRB_FUNCTION_CLAIM_DEVICE         0x01
#define SRB_FUNCTION_IO_CONTROL           0x02
#define SRB_FUNCTION_RECEIVE_EVENT        0x03
#define SRB_FUNCTION_RELEASE_QUEUE        0x04
#define SRB_FUNCTION_ATTACH_DEVICE        0x05
#define SRB_FUNCTION_RELEASE_DEVICE       0x06
#define SRB_FUNCTION_SHUTDOWN             0x07
#define SRB_FUNCTION_FLUSH                0x08
#define SRB_FUNCTION_ABORT_COMMAND        0x10
#define SRB_FUNCTION_RELEASE_RECOVERY     0x11
#define SRB_FUNCTION_RESET_BUS            0x12
#define SRB_FUNCTION_RESET_DEVICE         0x13
#define SRB_FUNCTION_TERMINATE_IO         0x14
#define SRB_FUNCTION_FLUSH_QUEUE          0x15
#define SRB_FUNCTION_REMOVE_DEVICE        0x16
#define SRB_FUNCTION_WMI                  0x17
#define SRB_FUNCTION_LOCK_QUEUE           0x18
#define SRB_FUNCTION_UNLOCK_QUEUE         0x19
#define SRB_FUNCTION_RESET_LOGICAL_UNIT   0x20

/* SCSI_REQUEST_BLOCK.SrbStatus constants */
#define SRB_STATUS_PENDING                0x00
#define SRB_STATUS_SUCCESS                0x01
#define SRB_STATUS_ABORTED                0x02
#define SRB_STATUS_ABORT_FAILED           0x03
#define SRB_STATUS_ERROR                  0x04
#define SRB_STATUS_BUSY                   0x05
#define SRB_STATUS_INVALID_REQUEST        0x06
#define SRB_STATUS_INVALID_PATH_ID        0x07
#define SRB_STATUS_NO_DEVICE              0x08
#define SRB_STATUS_TIMEOUT                0x09
#define SRB_STATUS_SELECTION_TIMEOUT      0x0A
#define SRB_STATUS_COMMAND_TIMEOUT        0x0B
#define SRB_STATUS_MESSAGE_REJECTED       0x0D
#define SRB_STATUS_BUS_RESET              0x0E
#define SRB_STATUS_PARITY_ERROR           0x0F
#define SRB_STATUS_REQUEST_SENSE_FAILED   0x10
#define SRB_STATUS_NO_HBA                 0x11
#define SRB_STATUS_DATA_OVERRUN           0x12
#define SRB_STATUS_UNEXPECTED_BUS_FREE    0x13
#define SRB_STATUS_PHASE_SEQUENCE_FAILURE 0x14
#define SRB_STATUS_BAD_SRB_BLOCK_LENGTH   0x15
#define SRB_STATUS_REQUEST_FLUSHED        0x16
#define SRB_STATUS_INVALID_LUN            0x20
#define SRB_STATUS_INVALID_TARGET_ID      0x21
#define SRB_STATUS_BAD_FUNCTION           0x22
#define SRB_STATUS_ERROR_RECOVERY         0x23
#define SRB_STATUS_NOT_POWERED            0x24
#define SRB_STATUS_INTERNAL_ERROR         0x30

/* SCSI_REQUEST_BLOCK.SrbFlags constants */
#define SRB_FLAGS_QUEUE_ACTION_ENABLE       0x00000002
#define SRB_FLAGS_DISABLE_DISCONNECT        0x00000004
#define SRB_FLAGS_DISABLE_SYNCH_TRANSFER    0x00000008
#define SRB_FLAGS_BYPASS_FROZEN_QUEUE       0x00000010
#define SRB_FLAGS_DISABLE_AUTOSENSE         0x00000020
#define SRB_FLAGS_DATA_IN                   0x00000040
#define SRB_FLAGS_DATA_OUT                  0x00000080
#define SRB_FLAGS_NO_DATA_TRANSFER          0x00000000
#define SRB_FLAGS_UNSPECIFIED_DIRECTION     (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT)
#define SRB_FLAGS_NO_QUEUE_FREEZE           0x00000100
#define SRB_FLAGS_ADAPTER_CACHE_ENABLE      0x00000200
#define SRB_FLAGS_FREE_SENSE_BUFFER         0x00000400
#define SRB_FLAGS_IS_ACTIVE                 0x00010000
#define SRB_FLAGS_ALLOCATED_FROM_ZONE       0x00020000
#define SRB_FLAGS_SGLIST_FROM_POOL          0x00040000
#define SRB_FLAGS_BYPASS_LOCKED_QUEUE       0x00080000
#define SRB_FLAGS_NO_KEEP_AWAKE             0x00100000
#define SRB_FLAGS_PORT_DRIVER_ALLOCSENSE    0x00200000
#define SRB_FLAGS_PORT_DRIVER_SENSEHASPORT  0x00400000
#define SRB_FLAGS_DONT_START_NEXT_PACKET    0x00800000
#define SRB_FLAGS_PORT_DRIVER_RESERVED      0x0F000000
#define SRB_FLAGS_CLASS_DRIVER_RESERVED     0xF0000000

typedef struct _SCSI_REQUEST_BLOCK { 
  USHORT  Length; 
  UCHAR  Function; 
  UCHAR  SrbStatus; 
  UCHAR  ScsiStatus; 
  UCHAR  PathId; 
  UCHAR  TargetId; 
  UCHAR  Lun; 
  UCHAR  QueueTag; 
  UCHAR  QueueAction; 
  UCHAR  CdbLength; 
  UCHAR  SenseInfoBufferLength; 
  ULONG  SrbFlags; 
  ULONG  DataTransferLength; 
  ULONG  TimeOutValue; 
  PVOID  DataBuffer; 
  PVOID  SenseInfoBuffer; 
  struct _SCSI_REQUEST_BLOCK  *NextSrb; 
  PVOID  OriginalRequest; 
  PVOID  SrbExtension; 
  _ANONYMOUS_UNION union {
    ULONG  InternalStatus;
    ULONG  QueueSortKey;
  } DUMMYUNIONNAME; 
#if defined(_WIN64)
  ULONG Reserved;
#endif
  UCHAR  Cdb[16]; 
} SCSI_REQUEST_BLOCK, *PSCSI_REQUEST_BLOCK; 

#define SCSI_REQUEST_BLOCK_SIZE           sizeof(SCSI_REQUEST_BLOCK)

typedef struct _ACCESS_RANGE { 
  SCSI_PHYSICAL_ADDRESS  RangeStart; 
  ULONG  RangeLength; 
  BOOLEAN  RangeInMemory; 
} ACCESS_RANGE, *PACCESS_RANGE;

/* PORT_CONFIGURATION_INFORMATION.Dma64BitAddresses constants */
#define SCSI_DMA64_MINIPORT_SUPPORTED     0x01
#define SCSI_DMA64_SYSTEM_SUPPORTED       0x80

typedef struct _PORT_CONFIGURATION_INFORMATION {
  ULONG  Length;
  ULONG  SystemIoBusNumber;
  INTERFACE_TYPE  AdapterInterfaceType;
  ULONG  BusInterruptLevel;
  ULONG  BusInterruptVector;
  KINTERRUPT_MODE  InterruptMode;
  ULONG  MaximumTransferLength;
  ULONG  NumberOfPhysicalBreaks;
  ULONG  DmaChannel;
  ULONG  DmaPort;
  DMA_WIDTH  DmaWidth;
  DMA_SPEED  DmaSpeed;
  ULONG  AlignmentMask;
  ULONG  NumberOfAccessRanges;
  ACCESS_RANGE  (*AccessRanges)[];
  PVOID  Reserved;
  UCHAR  NumberOfBuses;
  UCHAR  InitiatorBusId[8];
  BOOLEAN  ScatterGather;
  BOOLEAN  Master;
  BOOLEAN  CachesData;
  BOOLEAN  AdapterScansDown;
  BOOLEAN  AtdiskPrimaryClaimed;
  BOOLEAN  AtdiskSecondaryClaimed;
  BOOLEAN  Dma32BitAddresses;
  BOOLEAN  DemandMode;
  BOOLEAN  MapBuffers;
  BOOLEAN  NeedPhysicalAddresses;
  BOOLEAN  TaggedQueueing;
  BOOLEAN  AutoRequestSense;
  BOOLEAN  MultipleRequestPerLu;
  BOOLEAN  ReceiveEvent;
  BOOLEAN  RealModeInitialized;
  BOOLEAN  BufferAccessScsiPortControlled;
  UCHAR  MaximumNumberOfTargets;
  UCHAR  ReservedUchars[2];
  ULONG  SlotNumber;
  ULONG  BusInterruptLevel2;
  ULONG  BusInterruptVector2;
  KINTERRUPT_MODE  InterruptMode2;
  ULONG  DmaChannel2;
  ULONG  DmaPort2;
  DMA_WIDTH  DmaWidth2;
  DMA_SPEED  DmaSpeed2;
  ULONG  DeviceExtensionSize;
  ULONG  SpecificLuExtensionSize;
  ULONG  SrbExtensionSize;
  UCHAR  Dma64BitAddresses;
  BOOLEAN  ResetTargetSupported;
  UCHAR  MaximumNumberOfLogicalUnits;
  BOOLEAN  WmiDataProvider;
} PORT_CONFIGURATION_INFORMATION, *PPORT_CONFIGURATION_INFORMATION;

#define CONFIG_INFO_VERSION_2             sizeof(PORT_CONFIGURATION_INFORMATION)

typedef enum _SCSI_NOTIFICATION_TYPE {
	RequestComplete,
	NextRequest,
	NextLuRequest,
	ResetDetected,
	CallDisableInterrupts,
	CallEnableInterrupts,
	RequestTimerCall,
	BusChangeDetected,
	WMIEvent,
	WMIReregister
} SCSI_NOTIFICATION_TYPE, *PSCSI_NOTIFICATION_TYPE;

#ifdef __GNUC__
__extension__ /* enums limited to range of integer */
#endif
typedef enum _SCSI_ADAPTER_CONTROL_TYPE {
	ScsiQuerySupportedControlTypes = 0,
	ScsiStopAdapter,
	ScsiRestartAdapter,
	ScsiSetBootConfig,
	ScsiSetRunningConfig,
	ScsiAdapterControlMax,
	MakeAdapterControlTypeSizeOfUlong = 0xffffffff
} SCSI_ADAPTER_CONTROL_TYPE, *PSCSI_ADAPTER_CONTROL_TYPE;

typedef enum _SCSI_ADAPTER_CONTROL_STATUS {
	ScsiAdapterControlSuccess = 0,
	ScsiAdapterControlUnsuccessful
} SCSI_ADAPTER_CONTROL_STATUS, *PSCSI_ADAPTER_CONTROL_STATUS;

typedef struct _SCSI_SUPPORTED_CONTROL_TYPE_LIST {
	ULONG MaxControlType;
	BOOLEAN SupportedTypeList[0];
} SCSI_SUPPORTED_CONTROL_TYPE_LIST, *PSCSI_SUPPORTED_CONTROL_TYPE_LIST;

typedef SCSI_ADAPTER_CONTROL_STATUS DDKAPI
(*PHW_ADAPTER_CONTROL)(
	IN PVOID DeviceExtension,
	IN SCSI_ADAPTER_CONTROL_TYPE ControlType,
	IN PVOID Parameters);

typedef BOOLEAN DDKAPI
(*PHW_ADAPTER_STATE)(
	IN PVOID DeviceExtension,
	IN PVOID Context,
	IN BOOLEAN SaveState);

#define SP_RETURN_NOT_FOUND               0
#define SP_RETURN_FOUND                   1
#define SP_RETURN_ERROR                   2
#define SP_RETURN_BAD_CONFIG              3

typedef ULONG DDKAPI
(*PHW_FIND_ADAPTER)(
	IN PVOID DeviceExtension,
	IN PVOID HwContext,
	IN PVOID BusInformation,
	IN PCHAR ArgumentString,
	IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
	OUT PBOOLEAN Again);

typedef BOOLEAN DDKAPI
(*PHW_INITIALIZE)(
  IN PVOID DeviceExtension);

typedef BOOLEAN DDKAPI
(*PHW_INTERRUPT)(
  IN PVOID DeviceExtension);

typedef BOOLEAN DDKAPI
(*PHW_RESET_BUS)(
  IN PVOID DeviceExtension,
  IN ULONG PathId);

typedef VOID DDKAPI
(*PHW_DMA_STARTED)(
  IN PVOID DeviceExtension);

typedef BOOLEAN DDKAPI
(*PHW_STARTIO)(
  IN PVOID DeviceExtension,
  IN PSCSI_REQUEST_BLOCK Srb);

typedef VOID DDKAPI
(*PHW_TIMER)(
  IN PVOID DeviceExtension);

typedef struct _HW_INITIALIZATION_DATA { 
  ULONG  HwInitializationDataSize; 
  INTERFACE_TYPE  AdapterInterfaceType; 
  PHW_INITIALIZE  HwInitialize; 
  PHW_STARTIO  HwStartIo; 
  PHW_INTERRUPT  HwInterrupt; 
  PHW_FIND_ADAPTER  HwFindAdapter; 
  PHW_RESET_BUS  HwResetBus; 
  PHW_DMA_STARTED  HwDmaStarted; 
  PHW_ADAPTER_STATE  HwAdapterState; 
  ULONG  DeviceExtensionSize; 
  ULONG  SpecificLuExtensionSize; 
  ULONG  SrbExtensionSize; 
  ULONG  NumberOfAccessRanges; 
  PVOID  Reserved; 
  BOOLEAN  MapBuffers; 
  BOOLEAN  NeedPhysicalAddresses; 
  BOOLEAN  TaggedQueueing; 
  BOOLEAN  AutoRequestSense; 
  BOOLEAN  MultipleRequestPerLu; 
  BOOLEAN  ReceiveEvent; 
  USHORT  VendorIdLength; 
  PVOID  VendorId; 
  USHORT  ReservedUshort; 
  USHORT  DeviceIdLength; 
  PVOID  DeviceId; 
  PHW_ADAPTER_CONTROL  HwAdapterControl;
} HW_INITIALIZATION_DATA, *PHW_INITIALIZATION_DATA; 

SCSIPORTAPI
VOID 
DDKAPI
ScsiPortCompleteRequest(
  IN PVOID  HwDeviceExtension,
  IN UCHAR  PathId,
  IN UCHAR  TargetId,
  IN UCHAR  Lun,
  IN UCHAR  SrbStatus);

/*
 * ULONG
 * ScsiPortConvertPhysicalAddressToUlong(
 *   IN SCSI_PHYSICAL_ADDRESS  Address);
 */
#define ScsiPortConvertPhysicalAddressToUlong(Address) ((Address).LowPart)

SCSIPORTAPI
SCSI_PHYSICAL_ADDRESS 
DDKAPI
ScsiPortConvertUlongToPhysicalAddress(
  IN ULONG  UlongAddress);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortFlushDma(
  IN PVOID  DeviceExtension);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortFreeDeviceBase(
  IN PVOID  HwDeviceExtension,
  IN PVOID  MappedAddress);

SCSIPORTAPI
ULONG
DDKAPI
ScsiPortGetBusData(
  IN PVOID  DeviceExtension,
  IN ULONG  BusDataType,
  IN ULONG  SystemIoBusNumber,
  IN ULONG  SlotNumber,
  IN PVOID  Buffer,
  IN ULONG  Length);

SCSIPORTAPI
PVOID
DDKAPI
ScsiPortGetDeviceBase(
  IN PVOID  HwDeviceExtension,
  IN INTERFACE_TYPE  BusType,
  IN ULONG  SystemIoBusNumber,
  IN SCSI_PHYSICAL_ADDRESS  IoAddress,
  IN ULONG  NumberOfBytes,
  IN BOOLEAN  InIoSpace);

SCSIPORTAPI
PVOID
DDKAPI
ScsiPortGetLogicalUnit(
  IN PVOID  HwDeviceExtension,
  IN UCHAR  PathId,
  IN UCHAR  TargetId,
  IN UCHAR  Lun);

SCSIPORTAPI
SCSI_PHYSICAL_ADDRESS
DDKAPI
ScsiPortGetPhysicalAddress(
  IN PVOID  HwDeviceExtension,
  IN PSCSI_REQUEST_BLOCK  Srb  OPTIONAL,
  IN PVOID  VirtualAddress,
  OUT ULONG  *Length);

SCSIPORTAPI
PSCSI_REQUEST_BLOCK
DDKAPI
ScsiPortGetSrb(
  IN PVOID  DeviceExtension,
  IN UCHAR  PathId,
  IN UCHAR  TargetId,
  IN UCHAR  Lun,
  IN LONG  QueueTag);

SCSIPORTAPI
PVOID
DDKAPI
ScsiPortGetUncachedExtension(
  IN PVOID  HwDeviceExtension,
  IN PPORT_CONFIGURATION_INFORMATION  ConfigInfo,
  IN ULONG  NumberOfBytes);

SCSIPORTAPI
PVOID
DDKAPI
ScsiPortGetVirtualAddress(
  IN PVOID  HwDeviceExtension,
  IN SCSI_PHYSICAL_ADDRESS  PhysicalAddress);

SCSIPORTAPI
ULONG
DDKAPI
ScsiPortInitialize(
  IN PVOID  Argument1,
  IN PVOID  Argument2,
  IN struct _HW_INITIALIZATION_DATA  *HwInitializationData,
  IN PVOID  HwContext  OPTIONAL);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortIoMapTransfer(
  IN PVOID  HwDeviceExtension,
  IN PSCSI_REQUEST_BLOCK  Srb,
  IN ULONG  LogicalAddress,
  IN ULONG  Length);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortLogError(
  IN PVOID  HwDeviceExtension,
  IN PSCSI_REQUEST_BLOCK  Srb  OPTIONAL,
  IN UCHAR  PathId,
  IN UCHAR  TargetId,
  IN UCHAR  Lun,
  IN ULONG  ErrorCode,
  IN ULONG  UniqueId);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortMoveMemory(
  IN PVOID  WriteBuffer,
  IN PVOID  ReadBuffer,
  IN ULONG  Length);

SCSIPORTAPI
VOID
DDKCDECLAPI
ScsiPortNotification(
  IN SCSI_NOTIFICATION_TYPE  NotificationType,
  IN PVOID  HwDeviceExtension,
  IN ...);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortQuerySystemTime(
  OUT PLARGE_INTEGER  CurrentTime);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadPortBufferUchar(
  IN PUCHAR  Port,
  IN PUCHAR  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadPortBufferUlong(
  IN PULONG  Port,
  IN PULONG  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadPortBufferUshort(
  IN PUSHORT  Port,
  IN PUSHORT  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
UCHAR
DDKAPI
ScsiPortReadPortUchar(
  IN PUCHAR  Port);

SCSIPORTAPI
ULONG
DDKAPI
ScsiPortReadPortUlong(
  IN PULONG  Port);

SCSIPORTAPI
USHORT
DDKAPI
ScsiPortReadPortUshort(
  IN PUSHORT  Port);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadRegisterBufferUchar(
  IN PUCHAR  Register,
  IN PUCHAR  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadRegisterBufferUlong(
  IN PULONG  Register,
  IN PULONG  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortReadRegisterBufferUshort(
  IN PUSHORT  Register,
  IN PUSHORT  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
UCHAR
DDKAPI
ScsiPortReadRegisterUchar(
  IN PUCHAR  Register);

SCSIPORTAPI
ULONG
DDKAPI
ScsiPortReadRegisterUlong(
  IN PULONG  Register);

SCSIPORTAPI
USHORT
DDKAPI
ScsiPortReadRegisterUshort(
  IN PUSHORT  Register);

SCSIPORTAPI
ULONG
DDKAPI
ScsiPortSetBusDataByOffset(
  IN PVOID  DeviceExtension,
  IN ULONG  BusDataType,
  IN ULONG  SystemIoBusNumber,
  IN ULONG  SlotNumber,
  IN PVOID  Buffer,
  IN ULONG  Offset,
  IN ULONG  Length);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortStallExecution(
  IN ULONG  Delay);

SCSIPORTAPI
BOOLEAN
DDKAPI
ScsiPortValidateRange(
  IN PVOID  HwDeviceExtension,
  IN INTERFACE_TYPE  BusType,
  IN ULONG  SystemIoBusNumber,
  IN SCSI_PHYSICAL_ADDRESS  IoAddress,
  IN ULONG  NumberOfBytes,
  IN BOOLEAN  InIoSpace);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortBufferUchar(
  IN PUCHAR  Port,
  IN PUCHAR  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortBufferUlong(
  IN PULONG  Port,
  IN PULONG  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortBufferUshort(
  IN PUSHORT  Port,
  IN PUSHORT  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortUchar(
  IN PUCHAR  Port,
  IN UCHAR  Value);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortUlong(
  IN PULONG  Port,
  IN ULONG  Value);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWritePortUshort(
  IN PUSHORT  Port,
  IN USHORT  Value);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterBufferUchar(
  IN PUCHAR  Register,
  IN PUCHAR  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterBufferUlong(
  IN PULONG  Register,
  IN PULONG  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterBufferUshort(
  IN PUSHORT  Register,
  IN PUSHORT  Buffer,
  IN ULONG  Count);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterUchar(
  IN PUCHAR  Register,
  IN ULONG  Value);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterUlong(
  IN PULONG  Register,
  IN ULONG  Value);

SCSIPORTAPI
VOID
DDKAPI
ScsiPortWriteRegisterUshort(
  IN PUSHORT  Register,
  IN USHORT  Value);

SCSIPORTAPI
VOID
DDKCDECLAPI
ScsiDebugPrint(
  IN ULONG DebugPrintLevel,
  IN PCCHAR DebugMessage,
  IN ...);

#pragma pack(pop)

#ifdef __cplusplus
}
#endif

#endif /* __SRB_H */