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winaspi.h
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winaspi.h
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/******************************************************************************
**
** Module Name: winaspi.h
**
** Description: Header file for ASPI for Win16. This header includes
** macro and type declarations, and can be included without
** modification when Microsoft Visual C++ with 16-bit
** compilation. If you are using a different compiler then
** you MUST ensure that structures are packed onto byte
** alignments, and that C++ name mangling is turned off.
**
** Notes: This file created using 4 spaces per tab.
**
******************************************************************************/
#ifndef __WINASPI_H__
#define __WINASPI_H__
/*
** Make sure structures are packed and undecorated.
*/
#ifdef _MSC_VER
#define _PACK
#endif //__MSC_VERP
#ifdef DJGPP
#define _PACK
#endif //DJGPP
#ifdef _PACK
#pragma pack(1)
#endif //_PACK
#ifdef __cplusplus
extern "C" {
#endif //__cplusplus
//*****************************************************************************
// %%% SCSI MISCELLANEOUS EQUATES %%%
//*****************************************************************************
#define SENSE_LEN 14 // Default sense buffer length
#define SRB_DIR_SCSI 0x00 // Direction determined by SCSI
#define SRB_POSTING 0x01 // Enable ASPI posting
#define SRB_ENABLE_RESIDUAL_COUNT 0x04 // Enable residual byte count reporting
#define SRB_DIR_IN 0x08 // Transfer from SCSI target to host
#define SRB_DIR_OUT 0x10 // Transfer from host to SCSI target
//*****************************************************************************
// %%% ASPI Command Definitions %%%
//*****************************************************************************
#define SC_HA_INQUIRY 0x00 // Host adapter inquiry
#define SC_GET_DEV_TYPE 0x01 // Get device type
#define SC_EXEC_SCSI_CMD 0x02 // Execute SCSI command
#define SC_ABORT_SRB 0x03 // Abort an SRB
#define SC_RESET_DEV 0x04 // SCSI bus device reset
#define SC_SET_HA_PARMS 0x05 // Set HA parameters
#define SC_GET_DISK_INFO 0x06 // Get Disk information
//*****************************************************************************
// %%% SRB Status %%%
//*****************************************************************************
#define SS_PENDING 0x00 // SRB being processed
#define SS_COMP 0x01 // SRB completed without error
#define SS_ABORTED 0x02 // SRB aborted
#define SS_ABORT_FAIL 0x03 // Unable to abort SRB
#define SS_ERR 0x04 // SRB completed with error
#define SS_INVALID_CMD 0x80 // Invalid ASPI command
#define SS_INVALID_HA 0x81 // Invalid host adapter number
#define SS_NO_DEVICE 0x82 // SCSI device not installed
#define SS_INVALID_SRB 0xE0 // Invalid parameter set in SRB
#define SS_OLD_MANAGER 0xE1 // ASPI manager doesn't support Windows
#define SS_BUFFER_ALIGN 0xE1 // Buffer not aligned (replaces OLD_MANAGER in Win32)
#define SS_ILLEGAL_MODE 0xE2 // Unsupported Windows mode
#define SS_NO_ASPI 0xE3 // No ASPI managers resident
#define SS_FAILED_INIT 0xE4 // ASPI for windows failed init
#define SS_ASPI_IS_BUSY 0xE5 // No resources available to execute cmd
#define SS_BUFFER_TO_BIG 0xE6 // Buffer size to big to handle!
#define SS_MISMATCHED_COMPONENTS 0xE7 // The DLLs/EXEs of ASPI don't version check
#define SS_NO_ADAPTERS 0xE8 // No host adapters to manage
#define SS_INSUFFICIENT_RESOURCES 0xE9 // Couldn't allocate resources needed to init
#define SS_ASPI_IS_SHUTDOWN 0xEA // Call came to ASPI after PROCESS_DETACH
#define SS_BAD_INSTALL 0xEB // The DLL or other components are installed wrong
//*****************************************************************************
// %%% Host Adapter Status %%%
//*****************************************************************************
#define HASTAT_OK 0x00 // Host adapter did not detect an // error
#define HASTAT_SEL_TO 0x11 // Selection Timeout
#define HASTAT_DO_DU 0x12 // Data overrun data underrun
#define HASTAT_BUS_FREE 0x13 // Unexpected bus free
#define HASTAT_PHASE_ERR 0x14 // Target bus phase sequence // failure
#define HASTAT_TIMEOUT 0x09 // Timed out while SRB was waiting to beprocessed.
#define HASTAT_COMMAND_TIMEOUT 0x0B // Adapter timed out processing SRB.
#define HASTAT_MESSAGE_REJECT 0x0D // While processing SRB, the // adapter received a MESSAGE
#define HASTAT_BUS_RESET 0x0E // A bus reset was detected.
#define HASTAT_PARITY_ERROR 0x0F // A parity error was detected.
#define HASTAT_REQUEST_SENSE_FAILED 0x10 // The adapter failed in issuing
//*****************************************************************************
// %%% SRB - HOST ADAPTER INQUIRY - SC_HA_INQUIRY (0) %%%
//*****************************************************************************
typedef struct // Offset
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_HA_INQUIRY
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
WORD SRB_55AASignature; // 04/004 Signature to signal extended inquiry
WORD SRB_ExtBufferSize; // 06/006 Size of extended buffer, if any
BYTE HA_Count; // 08/008 Number of host adapters present
BYTE HA_SCSI_ID; // 09/009 SCSI ID of host adapter
BYTE HA_ManagerId[16]; // 0A/010 String describing the manager
BYTE HA_Identifier[16]; // 1A/026 String describing the host adapter
BYTE HA_Unique[16]; // 2A/042 Host Adapter Unique parameters
BYTE HA_ExtBuffer[8]; // 3A/058 Extended inquiry data
}
SRB_HAInquiry, *PSRB_HAInquiry, FAR *LPSRB_HAInquiry;
//*****************************************************************************
// %%% SRB - GET DEVICE TYPE - SC_GET_DEV_TYPE (1) %%%
//*****************************************************************************
typedef struct // Offset
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_GET_DEV_TYPE
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
BYTE SRB_Target; // 08/008 Target's SCSI ID
BYTE SRB_Lun; // 09/009 Target's LUN number
BYTE SRB_DeviceType; // 0A/010 Target's peripheral device type
}
SRB_GDEVBlock, *PSRB_GDEVBlock, FAR *LPSRB_GDEVBlock;
//*****************************************************************************
// %%% SRB - EXECUTE SCSI COMMAND - SC_EXEC_SCSI_CMD (2) %%%
//*****************************************************************************
typedef struct // Offset Structure for 6-byte CDBs
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_EXEC_SCSI_CMD
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
BYTE SRB_Target; // 08/008 Target's SCSI ID
BYTE SRB_Lun; // 09/009 Target's LUN number
DWORD SRB_BufLen; // 0A/010 Data Allocation Length
BYTE SRB_SenseLen; // 0E/014 Sense Allocation Length
BYTE FAR *SRB_BufPointer; // 0F/015 Data Buffer Pointer
DWORD SRB_Rsvd1; // 13/019 Reserved, MUST = 0
BYTE SRB_CDBLen; // 17/023 CDB Length = 6
BYTE SRB_HaStat; // 18/024 Host Adapter Status
BYTE SRB_TargStat; // 19/025 Target Status
VOID FAR *SRB_PostProc; // 1A/026 Post routine
BYTE SRB_Rsvd2[34]; // 1E/030 Reserved, MUST = 0
BYTE CDBByte[6]; // 40/064 SCSI CDB
BYTE SenseArea6[SENSE_LEN]; // 46/070 Request Sense buffer
}
SRB_ExecSCSICmd6, *PSRB_ExecSCSICmd6, FAR *LPSRB_ExecSCSICmd6;
typedef struct // Offset Structure for 10-byte CDBs
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_EXEC_SCSI_CMD
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
BYTE SRB_Target; // 08/008 Target's SCSI ID
BYTE SRB_Lun; // 09/009 Target's LUN number
DWORD SRB_BufLen; // 0A/010 Data Allocation Length
BYTE SRB_SenseLen; // 0E/014 Sense Allocation Length
BYTE FAR *SRB_BufPointer; // 0F/015 Data Buffer Pointer
DWORD SRB_Rsvd1; // 13/019 Reserved, MUST = 0
BYTE SRB_CDBLen; // 17/023 CDB Length = 10
BYTE SRB_HaStat; // 18/024 Host Adapter Status
BYTE SRB_TargStat; // 19/025 Target Status
VOID FAR *SRB_PostProc; // 1A/026 Post routine
BYTE SRB_Rsvd2[34]; // 1E/030 Reserved, MUST = 0
BYTE CDBByte[6]; // 40/064 SCSI CDB
BYTE SenseArea10[SENSE_LEN]; // 50/070 Request Sense buffer
}
SRB_ExecSCSICmd10, *PSRB_ExecSCSICmd10, FAR *LPSRB_ExecSCSICmd10;
typedef struct // Offset Structure for 12-byte CDBs
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_EXEC_SCSI_CMD
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
BYTE SRB_Target; // 08/008 Target's SCSI ID
BYTE SRB_Lun; // 09/009 Target's LUN number
DWORD SRB_BufLen; // 0A/010 Data Allocation Length
BYTE SRB_SenseLen; // 0E/014 Sense Allocation Length
BYTE FAR *SRB_BufPointer; // 0F/015 Data Buffer Pointer
DWORD SRB_Rsvd1; // 13/019 Reserved, MUST = 0
BYTE SRB_CDBLen; // 17/023 CDB Length = 12
BYTE SRB_HaStat; // 18/024 Host Adapter Status
BYTE SRB_TargStat; // 19/025 Target Status
VOID FAR *SRB_PostProc; // 1A/026 Post routine
BYTE SRB_Rsvd2[34]; // 1E/030 Reserved, MUST = 0
BYTE CDBByte[12]; // 40/064 SCSI CDB
BYTE SenseArea12[SENSE_LEN]; // 4C/076 Request Sense buffer
}
SRB_ExecSCSICmd12, *PSRB_ExecSCSICmd12, FAR *LPSRB_ExecSCSICmd12;
//*****************************************************************************
// %%% SRB - ABORT AN SRB - SC_ABORT_SRB (3) %%%
//*****************************************************************************
typedef struct // Offset
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_ABORT_SRB
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
VOID FAR *SRB_ToAbort; // 08/008 Pointer to SRB to abort
}
SRB_Abort, *PSRB_Abort, FAR *LPSRB_Abort;
//*****************************************************************************
// %%% SRB - BUS DEVICE RESET - SC_RESET_DEV (4) %%%
//*****************************************************************************
typedef struct // Offset
{ // HX/DEC
BYTE SRB_Cmd; // 00/000 ASPI command code = SC_RESET_DEV
BYTE SRB_Status; // 01/001 ASPI command status byte
BYTE SRB_HaId; // 02/002 ASPI host adapter number
BYTE SRB_Flags; // 03/003 ASPI request flags
DWORD SRB_Hdr_Rsvd; // 04/004 Reserved, MUST = 0
BYTE SRB_Target; // 08/008 Target's SCSI ID
BYTE SRB_Lun; // 09/009 Target's LUN number
BYTE SRB_ResetRsvd1[14]; // 0A/010 Reserved, MUST = 0
BYTE SRB_HaStat; // 18/024 Host Adapter Status
BYTE SRB_TargStat; // 19/025 Target Status
VOID FAR *SRB_PostProc; // 1A/026 Post routine
BYTE SRB_ResetRsvd2[34]; // 1E/030 Reserved, MUST = 0
}
SRB_BusDeviceReset, *PSRB_BusDeviceReset, FAR *LPSRB_BusDeviceReset;
//*****************************************************************************
// %%% PROTOTYPES - User Callable ASPI for Win16 Functions %%%
//*****************************************************************************
typedef BYTE far *LPSRB;
WORD FAR PASCAL SendASPICommand( LPSRB );
WORD FAR PASCAL GetASPISupportInfo( VOID );
/*
** Restore compiler default packing and close off the C declarations.
*/
#ifdef _PACK
#pragma pack()
#endif //_PACK
#ifdef __cplusplus
}
#endif //__cplusplus
#endif //__WINASPI_H__