srb.h

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/*
 * 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 _NTSRB_
#define _NTSRB_

#ifdef __cplusplus
extern "C" {
#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

/* PORT_CONFIGURATION_INFORMATION.Dma64BitAddresses constants */
#define SCSI_DMA64_MINIPORT_SUPPORTED            0x01
#define SCSI_DMA64_SYSTEM_SUPPORTED              0x80
#if (NTDDI_VERSION > NTDDI_WS03SP1)
#define SCSI_DMA64_MINIPORT_FULL64BIT_SUPPORTED  0x02
#endif

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

/* Asynchronous events */
#define SRBEV_BUS_RESET                   0x0001
#define SRBEV_SCSI_ASYNC_NOTIFICATION     0x0002

#define MAXIMUM_CDB_SIZE                  12

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

#define SCSI_COMBINE_BUS_TARGET(Bus, Target)(  \
  ((((UCHAR) (Target)) & ~(0x20 - 1)) << 8) |  \
  (((UCHAR) (Bus)) << 5) |                     \
  (((UCHAR) (Target)) & (0x20 - 1)))

#define SCSI_DECODE_BUS_TARGET(Value, Bus, Target)( \
  Bus = (UCHAR) ((Value) >> 5),                     \
  Target = (UCHAR) ((((Value) >> 8) & ~(0x20 - 1)) | ((Value) & (0x20 - 1))))

/* 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
#define SRB_FUNCTION_SET_LINK_TIMEOUT     0x21
#define SRB_FUNCTION_LINK_TIMEOUT_OCCURRED 0x22
#define SRB_FUNCTION_LINK_TIMEOUT_COMPLETE 0x23
#define SRB_FUNCTION_POWER                0x24
#define SRB_FUNCTION_PNP                  0x25
#define SRB_FUNCTION_DUMP_POINTERS        0x26

/* 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_LINK_DOWN              0x25
#define SRB_STATUS_INTERNAL_ERROR         0x30

#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))

/* 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

#if DBG
#define SCSI_PORT_SIGNATURE                 0x54524f50
#endif

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

#define SRB_WMI_FLAGS_ADAPTER_REQUEST       0x0001
#define SRB_POWER_FLAGS_ADAPTER_REQUEST     0x0001
#define SRB_PNP_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

#define SP_VER_TRACE_SUPPORT                0x0010

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

typedef PHYSICAL_ADDRESS SCSI_PHYSICAL_ADDRESS, *PSCSI_PHYSICAL_ADDRESS;

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

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 TaggedQueuing;
  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)

#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 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;
    ULONG LinkTimeoutValue;
  } 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 _SCSI_WMI_REQUEST_BLOCK {
  USHORT Length;
  UCHAR Function;
  UCHAR SrbStatus;
  UCHAR WMISubFunction;
  UCHAR PathId;
  UCHAR TargetId;
  UCHAR Lun;
  UCHAR Reserved1;
  UCHAR WMIFlags;
  UCHAR Reserved2[2];
  ULONG SrbFlags;
  ULONG DataTransferLength;
  ULONG TimeOutValue;
  PVOID DataBuffer;
  PVOID DataPath;
  PVOID Reserved3;
  PVOID OriginalRequest;
  PVOID SrbExtension;
  ULONG Reserved4;
#if (NTDDI_VERSION >= NTDDI_WS03SP1) && defined(_WIN64)
  ULONG Reserved6;
#endif
  UCHAR Reserved5[16];
} SCSI_WMI_REQUEST_BLOCK, *PSCSI_WMI_REQUEST_BLOCK;

typedef enum _STOR_DEVICE_POWER_STATE {
  StorPowerDeviceUnspecified = 0,
  StorPowerDeviceD0,
  StorPowerDeviceD1,
  StorPowerDeviceD2,
  StorPowerDeviceD3,
  StorPowerDeviceMaximum
} STOR_DEVICE_POWER_STATE, *PSTOR_DEVICE_POWER_STATE;

typedef enum _STOR_POWER_ACTION {
  StorPowerActionNone = 0,
  StorPowerActionReserved,
  StorPowerActionSleep,
  StorPowerActionHibernate,
  StorPowerActionShutdown,
  StorPowerActionShutdownReset,
  StorPowerActionShutdownOff,
  StorPowerActionWarmEject
} STOR_POWER_ACTION, *PSTOR_POWER_ACTION;

typedef struct _SCSI_POWER_REQUEST_BLOCK {
  USHORT Length;
  UCHAR Function;
  UCHAR SrbStatus;
  UCHAR SrbPowerFlags;
  UCHAR PathId;
  UCHAR TargetId;
  UCHAR Lun;
  STOR_DEVICE_POWER_STATE DevicePowerState;
  ULONG SrbFlags;
  ULONG DataTransferLength;
  ULONG TimeOutValue;
  PVOID DataBuffer;
  PVOID SenseInfoBuffer;
  struct _SCSI_REQUEST_BLOCK *NextSrb;
  PVOID OriginalRequest;
  PVOID SrbExtension;
  STOR_POWER_ACTION PowerAction;
#if defined(_WIN64)
  ULONG Reserved;
#endif
  UCHAR Reserved5[16];
} SCSI_POWER_REQUEST_BLOCK, *PSCSI_POWER_REQUEST_BLOCK;

typedef enum _STOR_PNP_ACTION {
  StorStartDevice = 0x0,
  StorRemoveDevice = 0x2,
  StorStopDevice  = 0x4,
  StorQueryCapabilities = 0x9,
  StorQueryResourceRequirements = 0xB,
  StorFilterResourceRequirements = 0xD,
  StorSurpriseRemoval = 0x17
} STOR_PNP_ACTION, *PSTOR_PNP_ACTION;

typedef struct _STOR_DEVICE_CAPABILITIES {
  USHORT Version;
  ULONG DeviceD1:1;
  ULONG DeviceD2:1;
  ULONG LockSupported:1;
  ULONG EjectSupported:1;
  ULONG Removable:1;
  ULONG DockDevice:1;
  ULONG UniqueID:1;
  ULONG SilentInstall:1;
  ULONG SurpriseRemovalOK:1;
  ULONG NoDisplayInUI:1;
} STOR_DEVICE_CAPABILITIES, *PSTOR_DEVICE_CAPABILITIES;

typedef struct _SCSI_PNP_REQUEST_BLOCK {
  USHORT Length;
  UCHAR Function;
  UCHAR SrbStatus;
  UCHAR PnPSubFunction;
  UCHAR PathId;
  UCHAR TargetId;
  UCHAR Lun;
  STOR_PNP_ACTION PnPAction;
  ULONG SrbFlags;
  ULONG DataTransferLength;
  ULONG TimeOutValue;
  PVOID DataBuffer;
  PVOID SenseInfoBuffer;
  struct _SCSI_REQUEST_BLOCK *NextSrb;
  PVOID OriginalRequest;
  PVOID SrbExtension;
  ULONG SrbPnPFlags;
#if defined(_WIN64)
  ULONG Reserved;
#endif
  UCHAR Reserved4[16];
} SCSI_PNP_REQUEST_BLOCK, *PSCSI_PNP_REQUEST_BLOCK;

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

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

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

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

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

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

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

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

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

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 TaggedQueuing;
  BOOLEAN AutoRequestSense;
  BOOLEAN MultipleRequestPerLu;
  BOOLEAN ReceiveEvent;
  USHORT VendorIdLength;
  PVOID VendorId;
  _ANONYMOUS_UNION union {
    USHORT ReservedUshort;
    USHORT PortVersionFlags;
  } DUMMYUNIONNAME;
  USHORT DeviceIdLength;
  PVOID DeviceId;
  PHW_ADAPTER_CONTROL HwAdapterControl;
} HW_INITIALIZATION_DATA, *PHW_INITIALIZATION_DATA;

#if defined(_NTDDK_)
#define SCSIPORTAPI
#else
#define SCSIPORTAPI DECLSPEC_IMPORT
#endif

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

SCSIPORTAPI
ULONG
NTAPI
ScsiPortConvertPhysicalAddressToUlong(
  IN SCSI_PHYSICAL_ADDRESS Address);

#define ScsiPortConvertPhysicalAddressToUlong(Address) ((Address).LowPart)
#define ScsiPortConvertPhysicalAddressToULongPtr(Address) ((ULONG_PTR)((Address).QuadPart))

SCSIPORTAPI
SCSI_PHYSICAL_ADDRESS
NTAPI
ScsiPortConvertUlongToPhysicalAddress(
  IN ULONG_PTR UlongAddress);

SCSIPORTAPI
VOID
NTAPI
ScsiPortFlushDma(
  IN PVOID DeviceExtension);

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

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

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

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

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

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

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

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

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

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

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

SCSIPORTAPI
VOID
NTAPI
ScsiPortQuerySystemTime(
  OUT PLARGE_INTEGER CurrentTime);

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

SCSIPORTAPI
VOID
NTAPI
ScsiPortStallExecution(
  IN ULONG Delay);

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

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

#if defined(_M_AMD64)

#define ScsiPortReadPortUchar READ_PORT_UCHAR
#define ScsiPortReadPortUshort READ_PORT_USHORT
#define ScsiPortReadPortUlong READ_PORT_ULONG

#define ScsiPortReadPortBufferUchar READ_PORT_BUFFER_UCHAR
#define ScsiPortReadPortBufferUshort READ_PORT_BUFFER_USHORT
#define ScsiPortReadPortBufferUlong READ_PORT_BUFFER_ULONG

#define ScsiPortReadRegisterUchar READ_REGISTER_UCHAR
#define ScsiPortReadRegisterUshort READ_REGISTER_USHORT
#define ScsiPortReadRegisterUlong READ_REGISTER_ULONG

#define ScsiPortReadRegisterBufferUchar READ_REGISTER_BUFFER_UCHAR
#define ScsiPortReadRegisterBufferUshort READ_REGISTER_BUFFER_USHORT
#define ScsiPortReadRegisterBufferUlong READ_REGISTER_BUFFER_ULONG

#define ScsiPortWritePortUchar WRITE_PORT_UCHAR
#define ScsiPortWritePortUshort WRITE_PORT_USHORT
#define ScsiPortWritePortUlong WRITE_PORT_ULONG

#define ScsiPortWritePortBufferUchar WRITE_PORT_BUFFER_UCHAR
#define ScsiPortWritePortBufferUshort WRITE_PORT_BUFFER_USHORT
#define ScsiPortWritePortBufferUlong WRITE_PORT_BUFFER_ULONG

#define ScsiPortWriteRegisterUchar WRITE_REGISTER_UCHAR
#define ScsiPortWriteRegisterUshort WRITE_REGISTER_USHORT
#define ScsiPortWriteRegisterUlong WRITE_REGISTER_ULONG

#define ScsiPortWriteRegisterBufferUchar WRITE_REGISTER_BUFFER_UCHAR
#define ScsiPortWriteRegisterBufferUshort WRITE_REGISTER_BUFFER_USHORT
#define ScsiPortWriteRegisterBufferUlong WRITE_REGISTER_BUFFER_ULONG

#define ScsiPortMoveMemory memmove

#else

SCSIPORTAPI
UCHAR
NTAPI
ScsiPortReadPortUchar(
  IN PUCHAR Port);

SCSIPORTAPI
ULONG
NTAPI
ScsiPortReadPortUlong(
  IN PULONG Port);

SCSIPORTAPI
USHORT
NTAPI
ScsiPortReadPortUshort(
  IN PUSHORT Port);

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

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

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

SCSIPORTAPI
UCHAR
NTAPI
ScsiPortReadRegisterUchar(
  IN PUCHAR Register);

SCSIPORTAPI
ULONG
NTAPI
ScsiPortReadRegisterUlong(
  IN PULONG Register);

SCSIPORTAPI
USHORT
NTAPI
ScsiPortReadRegisterUshort(
  IN PUSHORT Register);

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

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

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

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

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

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

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

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

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

SCSIPORTAPI
VOID
NTAPI
ScsiPortWriteRegisterUchar(
  IN PUCHAR Register,
  IN UCHAR Value);

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

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

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

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

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

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

#endif /* defined(_M_AMD64) */

#ifdef __cplusplus
}
#endif

#endif /* _NTSRB_ */