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unit WnASPI32;
{-----------------------------------------------------------------------------------------------------------------
WnASPI32
Module : Definitions WnASPI32.dll
==================
Sources :
- Adaptec ASPI SDK
- http://msdn.microsoft.com/library/default.asp?url=/library/en-us/w98ddk/hh/w98ddk/storage_5nzr.asp
==================
Auteur : Bertrand Danos (Millenod)
Date de mise à jour : 2004-04-20
------------------------------------------------------------------------------------------------------------------}
interface
Uses
Windows,
SysUtils;
const
// SENSE_LEN = 32; // Default sense buffer length
SENSE_LEN = 14; // Default sense buffer length
SRB_DIR_SCSI = $00; // Direction determined by SCSI
SRB_POSTING = $01; // Enable ASPI posting
SRB_DATA_SG_LIST = $02; // Data buffer points to scatter-gather list
SRB_ENABLE_RESIDUAL_COUNT = $04; // Enable residual byte count reporting
SRB_DIR_IN = $08; // Transfer from SCSI target to host
SRB_DIR_OUT = $10; // Transfer from host to SCSI target
SRB_EVENT_NOTIFY = $40; // Enable ASPI event notification
{===============================================================================
ASPI Command Definitions (SendASPI32Command)
================================================================================}
const
SC_HA_INQUIRY = $00; // Host adapter inquiry
SC_GET_DEV_TYPE = $01; // Get device type
SC_EXEC_SCSI_CMD = $02; // Execute SCSI command
SC_ABORT_SRB = $03; // Abort an SCSI Request Block (SRB)
SC_RESET_DEV = $04; // SCSI bus device reset
SC_SET_HA_PARMS = $05; // Set HA parameters
SC_GET_DISK_INFO = $06; // Get Disk information
SC_RESCAN_SCSI_BUS = $07; // ReBuild SCSI device map
SC_GETSET_TIMEOUTS = $08; // Get/Set target timeouts
{===============================================================================
SCSI Request Block (SRB) Status
================================================================================}
const
SS_PENDING = $00; // SRB being processed
SS_COMP = $01; // SRB completed without error
SS_ABORTED = $02; // SRB aborted
SS_ABORT_FAIL = $03; // Unable to abort SRB
SS_ERR = $04; // SRB completed with error
SS_INVALID_CMD = $80; // Invalid ASPI command
SS_INVALID_HA = $81; // Invalid host adapter number
SS_NO_DEVICE = $82; // SCSI device not installed
SS_INVALID_SRB = $E0; // Invalid parameter set in SRB
SS_BUFFER_ALIGN = $E1; // Buffer not aligned (replaces OLD_MANAGER in Win32)
SS_ILLEGAL_MODE = $E2; // Unsupported Windows mode
SS_NO_ASPI = $E3; // No ASPI managers resident
SS_FAILED_INIT = $E4; // ASPI for windows failed init
SS_ASPI_IS_BUSY = $E5; // No resources available to execute cmd
SS_BUFFER_TO_BIG = $E6; // Buffer size to big to handle!
SS_MISMATCHED_COMPONENTS = $E7; // The DLLs/EXEs of ASPI don't version check
SS_NO_ADAPTERS = $E8; // No host adapters to manage
SS_INSUFFICIENT_RESOURCES = $E9; // Couldn't allocate resources needed to init
SS_ASPI_IS_SHUTDOWN = $EA; // Call came to ASPI after PROCESS_DETACH
SS_BAD_INSTALL = $EB; // The DLL or other components are installed wrong
{===============================================================================
Host Adapter Status
================================================================================}
const
HASTAT_OK = $00; // Host adapter did not detect an error
HASTAT_SEL_TO = $11; // Selection Timeout
HASTAT_DO_DU = $12; // Data overrun data underrun
HASTAT_BUS_FREE = $13; // Unexpected bus free
HASTAT_PHASE_ERR = $14; // Target bus phase sequence failure
HASTAT_TIMEOUT = $09; // Timed out while SRB was waiting to beprocessed
HASTAT_COMMAND_TIMEOUT = $0B; // Adapter timed out processing SRB
HASTAT_MESSAGE_REJECT = $0D; // While processing SRB, the adapter received a MESSAGE
HASTAT_BUS_RESET = $0E; // A bus reset was detected
HASTAT_PARITY_ERROR = $0F; // A parity error was detected
HASTAT_REQUEST_SENSE_FAILED = $10; // The adapter failed in issuing
{===============================================================================
SCSI devices type
================================================================================}
const
DTYPE_DASD = $00; // Direct Access Device (e.g. magnetic disk)
DTYPE_SEQD = $01; // Sequential Access Device (e.g. magnetic tape)
DTYPE_PRNT = $02; // Printer Device
DTYPE_PROC = $03; // Processor Device
DTYPE_WORM = $04; // Write Once Device (e.g. some optical disks)
DTYPE_CDROM = $05; // CD-Rom Device
DTYPE_SCAN = $06; // Scanner Device
DTYPE_OPTI = $07; // Optical Memory Device (e.g. some optical disks)
DTYPE_JUKE = $08; // Medium Changer Device (e.g. some jukebox)
DTYPE_COMM = $09; // Communication Device
DTYPE_UNKNOWN = $1F; // Unknown or no device type
{===============================================================================
SCSI devices Names
================================================================================}
const
DeviceName : array [0..$1F] of String =
( '00 - Hard disk', // Direct Access Device (e.g. magnetic disk)
'01 - Tape drive', // Sequential Access Device (e.g. magnetic tape)
'02 - Printer', // Printer Device
'03 - Processor', // Processor Device
'04 - WORM unit', // Write Once Device (e.g. some optical disks)
'05 - CD-ROM drive', // CD-Rom Device
'06 - Scanner', // Scanner Device
'07 - RAM disk', // Optical Memory Device (e.g. some optical disks)
'08 - Media changer', // Medium Changer Device (e.g. some jukebox)
'09 - Comm device', // Communication Device
'0A - ASC IT8', // Defined by ASC IT8 (Graphic Arts pre press devices)
'0B - ASC IT8', // Defined by ASC IT8 (Graphic Arts pre press devices)
'0C - N/A',
'0D - N/A',
'0E - N/A',
'0F - N/A',
'10 - N/A',
'11 - N/A',
'12 - N/A',
'13 - N/A',
'14 - N/A',
'15 - N/A',
'16 - N/A',
'17 - N/A',
'18 - N/A',
'19 - N/A',
'1A - N/A',
'1B - N/A',
'1C - N/A',
'1D - N/A',
'1E - N/A',
'1F - UNKNOWN unit' // Unknown or no device type
);
{===============================================================================
Commands for all Device Types
================================================================================}
const
SCSI_CHANGE_DEF = $40; // Change Definition (Optional)
SCSI_COMPARE = $39; // Compare (O)
SCSI_COPY = $18; // Copy (O)
SCSI_COP_VERIFY = $3A; // Copy and Verify (O)
SCSI_INQUIRY = $12; // Inquiry (MANDATORY)
SCSI_LOG_SELECT = $4C; // Log Select (O)
SCSI_LOG_SENSE = $4D; // Log Sense (O)
SCSI_MODE_SEL6 = $15; // Mode Select 6-byte (Device Specific)
SCSI_MODE_SEL10 = $55; // Mode Select 10-byte (Device Specific)
SCSI_MODE_SEN6 = $1A; // Mode Sense 6-byte (Device Specific)
SCSI_MODE_SEN10 = $5A; // Mode Sense 10-byte (Device Specific)
SCSI_READ_BUFF = $3C; // Read Buffer (O)
SCSI_REQ_SENSE = $03; // Request Sense (MANDATORY)
SCSI_SEND_DIAG = $1D; // Send Diagnostic (O)
SCSI_TST_U_RDY = $00; // Test Unit Ready (MANDATORY)
SCSI_WRITE_BUFF = $3B; // Write Buffer (O)
{--------------------------------------------------------------------------------------------------------------------
Structures
---------------------------------------------------------------------------------------------------------------------}
Type
LPSRB = Pointer;
TSRB = packed record
SRB_Cmd : BYTE; // 00/000 ASPI command code = SC_HA_INQUIRY
SRB_Status : BYTE; // 01/001 ASPI command status byte
SRB_HaId : BYTE; // 02/002 ASPI host adapter number
SRB_Flags : BYTE; // 03/003 ASPI request flags
SRB_Hdr_Rsvd : DWORD; // 04/004 Reserved, MUST = 0
End;
PSRB = ^TSRB;
TSRB_HAInquiry = packed record
SRB_Cmd : BYTE; // 00/000 ASPI command code = SC_HA_INQUIRY
SRB_Status : BYTE; // 01/001 ASPI command status byte
SRB_HaId : BYTE; // 02/002 ASPI host adapter number
SRB_Flags : BYTE; // 03/003 ASPI request flags
SRB_Hdr_Rsvd : DWORD; // 04/004 Reserved, MUST = 0
HA_Count : BYTE; // 08/008 Number of host adapters present
HA_SCSI_ID : BYTE; // 09/009 SCSI ID of host adapter
HA_ManagerId : array [0..15] of char; // 0A/010 String describing the manager
HA_Identifier : array [0..15] of char; // 1A/026 String describing the host adapter
HA_Unique : array [0..15] of char; // 2A/042 Host Adapter Unique parameters
HA_Rsvd1 : WORD; // 3A/058 Reserved, MUST = 0
end;
PSRB_HAInquiry = ^TSRB_HAInquiry;
TSRB_GDEVBlock = packed record
SRB_Cmd : BYTE; // 00/000 ASPI command code = SC_GET_DEV_TYPE
SRB_Status : BYTE; // 01/001 ASPI command status byte
SRB_HaId : BYTE; // 02/002 ASPI host adapter number
SRB_Flags : BYTE; // 03/003 Reserved, MUST = 0
SRB_Hdr_Rsvd : DWORD; // 04/004 Reserved, MUST = 0
SRB_Target : BYTE; // 08/008 Target's SCSI ID
SRB_Lun : BYTE; // 09/009 Target's LUN number
SRB_DeviceType : BYTE; // 0A/010 Target's peripheral device type
SRB_Rsvd1 : BYTE; // 0B/011 Reserved, MUST = 0
End;
PSRB_GDEVBlock = ^TSRB_GDEVBlock;
TSRB_ExecSCSICmd = packed record
SRB_Cmd : BYTE; // ASPI command code
SRB_Status : BYTE; // ASPI command status byte
SRB_HaId : BYTE; // ASPI host adapter number
SRB_Flags : BYTE; // ASPI request flags
SRB_Hdr_Rsvd : DWORD; // Reserved
SRB_Target : BYTE; // Target's SCSI ID
SRB_Lun : BYTE; // Target's LUN number
SRB_Rsvd1 : WORD; // Reserved for Alignment
SRB_BufLen : DWORD; // Data Allocation Length
SRB_BufPointer : Pointer; // Data Buffer Pointer
SRB_SenseLen : BYTE; // Sense Allocation Length
SRB_CDBLen : BYTE; // CDB Length
SRB_HaStat : BYTE; // Host Adapter Status
SRB_TargStat : BYTE; // Target Status
SRB_PostProc : THandle; // Post routine
SRB_Rsvd2 : array[0..19] of BYTE; // Reserved, MUST = 0
CDBByte : array[0..15] of BYTE; // SCSI CDB
SenseArea : array[0..(SENSE_LEN+1)] of BYTE; // Request Sense buffer
end;
PSRB_ExecSCSICmd = ^TSRB_ExecSCSICmd;
TSRB_BusDeviceReset = packed record
SRB_Cmd : BYTE; // ASPI command code = SC_RESET_DEV
SRB_Status : BYTE; // ASPI command status byte
SRB_HaId : BYTE; // ASPI host adapter number
SRB_Flags : BYTE; // Reserved, MUST = 0
SRB_Hdr_Rsvd : DWORD; // Reserved, MUST = 0
SRB_Target : BYTE; // Target's SCSI ID
SRB_Lun : BYTE; // Target's LUN number
SRB_DeviceType : BYTE; // Target's peripheral device type
SRB_Rsvd1 : array[0..11] of byte; // Reserved, MUST = 0
SRB_HaStat : BYTE; //
SRB_TargStat : BYTE; // Target Status
SRB_PostProc : THandle; // Post routine
SRB_Rsvd2 : array[0..35] of byte; // Reserved
End;
PSRB_BusDeviceReset = ^TSRB_BusDeviceReset;
TSRB_Abort = packed record
SRB_Cmd : Byte; // ASPI command code = SC_ABORT_SRB
SRB_Status : Byte; // ASPI command status byte
SRB_HaId : Byte; // ASPI host adapter number
SRB_Flags : Byte; // Reserved
SRB_Hdr_Rsvd : Integer; // Reserved
SRB_ToAbort : Pointer; // Pointer to SRB to abort
End;
PSRB_Abort = ^TSRB_Abort;
TSRB_GetDiskInfo = packed record
SRB_Cmd : Byte; // ASPI command code = SC_GET_DISK_INFO
SRB_Status : Byte; // ASPI command status Byte
SRB_HaId : Byte; // ASPI host adapter number
SRB_Flags : Byte; // Reserved
SRB_Hdr_Rsvd : Integer; // Reserved
SRB_Target : Byte; // Target's SCSI ID
SRB_Lun : Byte; // Target's LUN number
SRB_DriveFlags : Byte; // Driver flags
SRB_Int13HDriveInfo : Byte; // Host Adapter Status
SRB_Heads : Byte; // Preferred number of heads translation
SRB_Sectors : Byte; // Preferred number of sectors translation
SRB_Rsvd1 : array [0..9] of byte; // Reserved
End;
PSRB_GetDiskInfo = ^TSRB_GetDiskInfo;
TSRB_GetSetTimeOut = packed record
SRB_Cmd : Byte; // ASPI command code = SC_GET_SET_TIMEOUT
SRB_Status : Byte; // ASPI command status Byte
SRB_HaId : Byte; // ASPI host adapter number
SRB_Flags : Byte; // Reserved
SRB_Hdr_Rsvd : Integer; // Reserved
SRB_Target : Byte; // Target's SCSI ID
SRB_Lun : Byte; // Target's LUN number
SRB_TimeOut : DWord; // timeout in half seconds
End;
PSRB_GetSetTimeOut = ^TSRB_GetSetTimeOut;
TAspi32Buff = packed record
AB_BufPointer : PByteArray; // Pointer to the ASPI allocated buffer
AB_BufLen : DWord; // Length in bytes of the buffer
AB_ZeroFill : DWord; // Flag set to 1 if buffer should be zeroed
AB_Reserved : DWord; // Reserved, MUST = 0
End;
PAspi32Buff = ^TAspi32Buff;
{===============================================================================
Import WnASPI32.dll functions
===============================================================================}
Type
pfnGetASPI32SupportInfo = function : DWord; cdecl;
pfnSendASPI32Command = function(Srb : PSRB_ExecScsiCMD) : DWORD; cdecl;
pfnGetASPI32Buffer = function(Aspi32Buff : PAspi32buff) : boolean; cdecl;
pfnFreeASPI32Buffer = function(Aspi32Buff : PAspi32buff) : boolean; cdecl;
pfnTranslateASPI32Address = function(var AD1,AD2 : DWord) : boolean; cdecl;
pfnGetASPI32DLLVersion = function : integer; cdecl;
(* Poikosoft aspi *)
pLockASPINTVolume = function (bLock : Boolean; HaId, Target, Lun : byte) : boolean; cdecl;
pfnRegisterWOWPost = function (aParam : Dword) : boolean; cdecl;
pfnWOWDispatch = function (aParam : Dword) : boolean; cdecl;
implementation
end. |
WnAspi32.dll - Paramètres in\out de la fonction 'ScsiRescan'
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