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// ----------------------------------------------
// - ASPIFUNC implementation file -
// - Written 1996-1998 by Christoph Schmelnik -
// ----------------------------------------------
// Version 1.40 : 24.02.1998
// Changes:
// Set correct direction flags, to work with NT device IO interface and ATAPI drives
// Added Immediate paremeter for WaitSCSIRequest to allow detection of buffer underruns
#include <stddef.h>
#include "aspifunc.h"
HMODULE hDLL=0;
VOIDPROC GetASPI32SupportInfo;
SRBPROC SendASPI32Command;
int ASPIInstalled;
int RunningNT;
int NumberOfHostAdapters;
//Implementation of base ASPI Functions
BOOL HAInquiry(int HostAdapterNumber,char *ManagerID, char *HAID,THAUnique &HAUnique)
{
SRB_HAInquiry MySRB;
DWORD ASPI_Status;
memset(&MySRB,0,sizeof(SRB_HAInquiry));
MySRB.SRB_Cmd = SC_HA_INQUIRY;
MySRB.SRB_HaId = HostAdapterNumber;
MySRB.SRB_Flags = 0;
MySRB.SRB_Hdr_Rsvd = 0;
ASPI_Status = SendASPI32Command ( (LPSRB) &MySRB );
if (ASPI_Status!=SS_COMP)
return FALSE;
HAUnique=MySRB.HA_Unique;
for (int i=0; i<16; i++)
{
ManagerID[i]=MySRB.HA_ManagerId[i];
HAID[i]=MySRB.HA_Identifier[i];
}
ManagerID[16]=0;
HAID[16]=0;
return TRUE;
}
int GetDeviceType(int HostAdapterNumber,int TargetId,int LUN)
{
SRB_GDEVBlock MySRB;
DWORD ASPI_Status;
memset(&MySRB,0,sizeof(SRB_GDEVBlock));
MySRB.SRB_Cmd = SC_GET_DEV_TYPE;
MySRB.SRB_HaId = HostAdapterNumber;
MySRB.SRB_Flags = 0;
MySRB.SRB_Hdr_Rsvd = 0;
MySRB.SRB_Target = TargetId;
MySRB.SRB_Lun = LUN;
ASPI_Status = SendASPI32Command ((LPSRB)&MySRB);
/***************************************************/
/* If ASPI_Status == SS_COMP, MySRB.SRB_DeviceType */
/* will contain the peripheral device type. */
/***************************************************/
if (ASPI_Status==SS_COMP)
return MySRB.SRB_DeviceType;
return DTYPE_UNKNOWN;
}
BOOL ExecuteSCSIRequest(int HostAdapterNumber,int TargetId,int LUN,int RequestFlags,
TOpcode OpC, BYTE OpCLen,void *DataPtr, int DataLen, HANDLE hDriveEvent)
{
if ((HostAdapterNumber>=NumberOfHostAdapters) &&
RunningNT)
{
DWORD il, ol;
SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER sb;
ZeroMemory(&sb, sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER));
sb.sptd.Length = sizeof(SCSI_PASS_THROUGH_DIRECT);
sb.sptd.CdbLength = OpCLen;
sb.sptd.DataIn = ((SRB_DIR_IN & RequestFlags) ? 1/*SCSI_IOCTL_DATA_IN*/ : 0/*SCSI_IOCTL_DATA_OUT*/);
sb.sptd.SenseInfoLength = 32;
sb.sptd.DataTransferLength = DataLen;
sb.sptd.TimeOutValue = 2;
sb.sptd.DataBuffer = (unsigned char*) DataPtr;
sb.sptd.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER, ucSenseBuf);
for (int i=0; i<OpCLen; i++) sb.sptd.Cdb[i]=OpC[i];
il = sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER);
if (DeviceIoControl(hDriveEvent, IOCTL_SCSI_PASS_THROUGH_DIRECT, &sb, il, &sb, il, &ol, FALSE))
{
if (sb.sptd.ScsiStatus==0)
return TRUE;
}
return FALSE;
}
SRB_ExecSCSICmd MySRB;
DWORD ASPI_Status;
DWORD ASPIEventStatus;
memset(&MySRB,0,sizeof(SRB_ExecSCSICmd));
MySRB.SRB_Cmd = SC_EXEC_SCSI_CMD;
MySRB.SRB_HaId = HostAdapterNumber;
MySRB.SRB_Flags = RequestFlags|SRB_EVENT_NOTIFY;
MySRB.SRB_Hdr_Rsvd = 0;
MySRB.SRB_Target = TargetId;
MySRB.SRB_Lun = LUN;
MySRB.SRB_BufPointer = (unsigned char*) DataPtr;
MySRB.SRB_BufLen = DataLen;
MySRB.SRB_CDBLen = OpCLen;
MySRB.SRB_SenseLen = SENSE_LEN;
MySRB.SRB_PostProc = (void(__cdecl *)(void))hDriveEvent;
for (int i=0; i<OpCLen; i++) MySRB.CDBByte[i]=OpC[i];
ResetEvent(hDriveEvent);
ASPI_Status = SendASPI32Command ((LPSRB)&MySRB);
/**************************************************/
/* Block on event till signaled */
/**************************************************/
if ( MySRB.SRB_Status == SS_PENDING )
{
ASPIEventStatus = WaitForSingleObject(hDriveEvent, TIMEOUT);
/**************************************************/
/* Reset event to non-signaled state. */
/**************************************************/
if (ASPIEventStatus == WAIT_OBJECT_0)
ResetEvent(hDriveEvent);
else
{
OutputDebugString(L"Execute Timed out\n");
AbortSCSIRequest(MySRB);
}
}
if (MySRB.SRB_Status==SS_COMP)
return TRUE;
return FALSE;
}
void FillSCSIRequest(int HostAdapterNumber,int TargetId,int LUN,int RequestFlags,
TOpcode OpC, BYTE OpCLen,void *DataPtr, int DataLen,SRB_ExecSCSICmd &MySRB, HANDLE hDriveEvent)
{
memset(&MySRB,0,sizeof(SRB_ExecSCSICmd));
MySRB.SRB_Cmd = SC_EXEC_SCSI_CMD;
MySRB.SRB_HaId = HostAdapterNumber;
if ((HostAdapterNumber>=NumberOfHostAdapters) &&
RunningNT)
{
MySRB.SRB_Flags = RequestFlags;
}
else
{
MySRB.SRB_Flags = RequestFlags|SRB_EVENT_NOTIFY;
MySRB.SRB_Hdr_Rsvd = 0;
MySRB.SRB_PostProc = (void(__cdecl *)(void))hDriveEvent;
}
MySRB.SRB_Target = TargetId;
MySRB.SRB_Lun = LUN;
MySRB.SRB_BufPointer = (unsigned char*) DataPtr;
MySRB.SRB_BufLen = DataLen;
MySRB.SRB_CDBLen = OpCLen;
MySRB.SRB_SenseLen = SENSE_LEN;
for (int i=0; i<OpCLen; i++) MySRB.CDBByte[i]=OpC[i];
}
void ExecuteSCSIRequest(SRB_ExecSCSICmd &MySRB,HANDLE hDriveEvent)
{
if ((MySRB.SRB_HaId>=NumberOfHostAdapters) &&
RunningNT)
{
DWORD il, ol;
SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER sb;
ZeroMemory(&sb, sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER));
sb.sptd.Length = sizeof(SCSI_PASS_THROUGH_DIRECT);
sb.sptd.PathId = 0;
sb.sptd.TargetId = 1;
sb.sptd.Lun = 0;
sb.sptd.CdbLength = MySRB.SRB_CDBLen;
sb.sptd.DataIn = MySRB.SRB_Flags;
sb.sptd.SenseInfoLength = 32;
sb.sptd.DataTransferLength = MySRB.SRB_BufLen;
sb.sptd.TimeOutValue = TIMEOUT;
sb.sptd.DataBuffer = MySRB.SRB_BufPointer;
sb.sptd.SenseInfoOffset =
offsetof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER, ucSenseBuf);
for (int i=0; i<MySRB.SRB_CDBLen; i++) sb.sptd.Cdb[i]=MySRB.CDBByte[i];
il = sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER);
if (DeviceIoControl(hDriveEvent, IOCTL_SCSI_PASS_THROUGH_DIRECT,
&sb, il, &sb, il, &ol, NULL))
if (sb.sptd.ScsiStatus==0)
{
MySRB.SRB_Status=SS_COMP;
return;
}
MySRB.SRB_Status=SS_ERR;
return;
}
DWORD ASPI_Status;
ResetEvent(hDriveEvent);
ASPI_Status = SendASPI32Command ((LPSRB)&MySRB);
}
BYTE WaitSCSIRequest(SRB_ExecSCSICmd &MySRB,HANDLE hDriveEvent,BOOL bImmediate)
{
if ((MySRB.SRB_HaId>=NumberOfHostAdapters) &&
RunningNT)
return MySRB.SRB_Status;
if ((MySRB.SRB_Status == SS_PENDING) &&
!bImmediate)
{
DWORD ASPIEventStatus = WaitForSingleObject(hDriveEvent, 100);
if (ASPIEventStatus == WAIT_OBJECT_0)
{
ResetEvent(hDriveEvent);
}
}
return MySRB.SRB_Status;
}
BOOL AbortSCSIRequest(SRB_ExecSCSICmd &StuckSRB)
{
SRB_Abort AbortSRB;
DWORD ASPIStatus;
AbortSRB.SRB_Cmd = SC_ABORT_SRB;
AbortSRB.SRB_HaId = StuckSRB.SRB_HaId;
AbortSRB.SRB_Flags = 0;
AbortSRB.SRB_Hdr_Rsvd = 0;
AbortSRB.SRB_ToAbort = (LPSRB)&StuckSRB;
ASPIStatus = SendASPI32Command ( (LPSRB)&AbortSRB );
return (ASPIStatus==SS_COMP);
}
int GetDeviceInfo(int HostAdapterNumber,int TargetId,int LUN,BYTE &SCSIType,char *VendorID,
char *ProductID,char *ProductRevision,HANDLE hDriveEvent)
{
struct InquireFormat
{
BYTE ConfigPara[8];
char VendorID[8];
char ProductID[16];
char ProductRevision[4];
} DeviceInfo;
TOpcode OpC;
OpC[0]=0x12;
OpC[1]=0;
OpC[2]=0;
OpC[3]=0;
OpC[4]=sizeof(DeviceInfo);
OpC[5]=0;
memset(&DeviceInfo,0,sizeof(DeviceInfo));
BOOL r=ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_IN,OpC,6,(void*)&DeviceInfo,sizeof(DeviceInfo),hDriveEvent);
if (r)
{
for (int i=0; i<16; i++)
{
if (i<8) VendorID[i]=DeviceInfo.VendorID[i];
ProductID[i]=DeviceInfo.ProductID[i];
if (i<4) ProductRevision[i]=DeviceInfo.ProductRevision[i];
}
VendorID[8]=0;
ProductID[16]=0;
ProductRevision[4]=0;
SCSIType=DeviceInfo.ConfigPara[2] & 0x0f;
return DeviceInfo.ConfigPara[0];
}
return DTYPE_UNKNOWN;
}
BOOL TestUnitReady(int HostAdapterNumber,int TargetId,int LUN,HANDLE hDriveEvent)
{
TOpcode OpC;
OpC[0]=0;
OpC[1]=0;
OpC[2]=0;
OpC[3]=0;
OpC[4]=0;
OpC[5]=0;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_IN,OpC,6,NULL,0,hDriveEvent);
}
BOOL ModeSense(int HostAdapterNumber,int TargetId,int LUN,TDriveMode &ModeData,int Size,int PageCode,HANDLE hDriveEvent)
{
// while (!TestUnitReady(HostAdapterNumber,TargetId,LUN));
TOpcode OpC;
OpC[0]=0x1a;
OpC[1]=0x00;
OpC[2]=PageCode;
OpC[3]=0x00;
OpC[4]=Size;
OpC[5]=0x00;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_IN,OpC,6,(void *)&ModeData,Size,hDriveEvent);
}
BOOL ATAPIModeSense(int HostAdapterNumber,int TargetId,int LUN,TDriveMode &ModeData,int Size,int PageCode,HANDLE hDriveEvent)
{
// while (!TestUnitReady(HostAdapterNumber,TargetId,LUN));
TOpcode OpC;
OpC[0]=0x5a;
OpC[1]=0x00;
OpC[2]=PageCode;
OpC[3]=0x00;
OpC[4]=0x00;
OpC[5]=0x00;
OpC[6]=0x00;
OpC[7]=0x00;
OpC[8]=Size;
OpC[9]=0x00;
OpC[10]=0x00;
OpC[11]=0x00;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_IN,OpC,12,(void *)&ModeData,Size,hDriveEvent);
}
BOOL addModeSense(int HostAdapterNumber,int TargetId,int LUN,TDriveMode &ModeData,int Size,HANDLE hDriveEvent)
{
// while (!TestUnitReady(HostAdapterNumber,TargetId,LUN));
TOpcode OpC;
OpC[0]=0xca;
OpC[1]=0x08;
OpC[2]=0x0f;
OpC[3]=0x00;
OpC[4]=0x00;
OpC[5]=0x00;
OpC[6]=0x00;
OpC[7]=0x00;
OpC[8]=Size;
OpC[9]=0x00;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_IN,OpC,10,(void *)&ModeData,Size,hDriveEvent);
}
BOOL ModeSelect(int HostAdapterNumber,int TargetId,int LUN,TDriveMode &ModeData,int Size,HANDLE hDriveEvent)
{
// while (!TestUnitReady(HostAdapterNumber,TargetId,LUN));
TOpcode OpC;
OpC[0]=0x15;
if (Size==12)
OpC[1]=0x00;
else
OpC[1]=0x10;
OpC[2]=0x00;
OpC[3]=0x00;
OpC[4]=Size;
OpC[5]=0x00;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_OUT,OpC,6,(void *)&ModeData,Size,hDriveEvent);
}
BOOL addModeSelect(int HostAdapterNumber,int TargetId,int LUN,TDriveMode &ModeData,int Size,HANDLE hDriveEvent)
{
// while (!TestUnitReady(HostAdapterNumber,TargetId,LUN));
TOpcode OpC;
OpC[0]=0xc5;
OpC[1]=0x10;
OpC[2]=0x00;
OpC[3]=0x00;
OpC[4]=0x00;
OpC[5]=0x00;
OpC[6]=0x00;
OpC[7]=0x00;
OpC[8]=Size;
OpC[9]=0x00;
return ExecuteSCSIRequest(HostAdapterNumber,TargetId,LUN,SRB_DIR_OUT,OpC,10,(void *)&ModeData,Size,hDriveEvent);
}
BOOL SCSIMaxBlocks(HANDLE fh, int *mb)
{
DWORD ol;
IO_SCSI_CAPABILITIES ca;
if (DeviceIoControl(fh,IOCTL_SCSI_GET_CAPABILITIES,NULL,0,
&ca,sizeof(IO_SCSI_CAPABILITIES),&ol,NULL))
{
*mb=(int)ca.MaximumTransferLength;
return TRUE;
}
return FALSE;
}
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