static void In1_atnhi(int tr)
{
if (par_status & 0xff)
{
ResetBus();
Go(WaitATN);
}
else
{
if (isListening())
{
Go(In1);
}
else
{
if (isTalking())
{
ResetBus();
if (!parallel_ndac)
{ /* old pet... */
Go(OldPet);
}
else
{
State[OldPet].m[NDAClo](tr);
return;
}
}
else
{
#ifdef PARALLEL_DEBUG
if (parallel_debug)
log_warning(LOG_DEFAULT, "IEEE488: Ouch, something weird happened: %s got %s", State[In1].name, Trans[tr]);
#endif
ResetBus();
Go(WaitATN);
}
}
}
}
static void Out2_ndachi(int tr)
{
static BYTE b;
parallel_emu_set_dav(0);
parallel_emu_set_eoi(0);
parallel_emu_set_bus(0xff);
par_status = parallel_trap_receivebyte(&b, 0);
if (par_status & 0xff)
{
ResetBus();
Go(WaitATN);
}
else
Go(Out1);
}
BOOLEAN
StartIO (IN PVOID HAObject, IN PSCSI_REQUEST_BLOCK Req)
{
ADAPTER_PTR HA = HAObject;
DEVICE_PTR DevP;
int i;
TRACE(2, ("StartIO(): Req @%x, Function = 0x%x, Req->SrbExtension @%x\n", Req, Req->Function, Req->SrbExtension));
switch (Req->Function) {
case SRB_FUNCTION_EXECUTE_SCSI:
ReqNext(Req) = (IO_REQ_PTR)NILL;
ReqAdapterPtr(Req) = HA;
for (i=0; i < sizeof(ReqState(Req)); i++)
((U8 *)&ReqState(Req))[i] = 0;
ReqState(Req).ReqType = RTNormalReq;
if ( (DevP = ScsiPortGetLogicalUnit(HA, Req->PathId, ReqTargetID(Req), ReqTargetLUN(Req))) == NILL) {
TRACE(3, ("ExecuteReq(): Unable to get device info\n"));
Req->SrbStatus = SRB_STATUS_NO_DEVICE;
return FALSE;
}
ReqDevP(Req) = DevP;
if (!DevP->Flags.Initialized)
QueueInternalRequest(HA, Req, RTGetInfoReq);
else
IExecuteReq(HA, DevP, Req, NORMAL_REQ);
break;
case SRB_FUNCTION_RESET_BUS:
TRACE(3, ("StartIO(): RESET_BUS command\n"));
ResetBus(HAObject, Req->PathId);
break;
case SRB_FUNCTION_RESET_DEVICE:
case SRB_FUNCTION_TERMINATE_IO:
case SRB_FUNCTION_FLUSH:
case SRB_FUNCTION_SHUTDOWN:
Req->SrbStatus = SRB_STATUS_SUCCESS;
ScsiPortNotification(RequestComplete, HA, Req);
break;
case SRB_FUNCTION_ABORT_COMMAND:
TRACE(0, ("StartIO(): Request at %x to abort request %x\n", Req, Req->NextSrb));
if ((DevP = ScsiPortGetLogicalUnit(HA, Req->PathId, ReqTargetID(Req), ReqTargetLUN(Req))) == NILL
|| (DevP->Flags.Initialized == 0)
|| !AbortRequest(HA, DevP, Req->NextSrb) ) {
TRACE(0, ("StartIO(): Abort operation failed\n"));
Req->SrbStatus = SRB_STATUS_ABORT_FAILED;
} else {
TRACE(0, ("StartIO(): Abort operation success\n"));
Req->SrbStatus = SRB_STATUS_SUCCESS;
}
ScsiPortNotification(RequestComplete, HA, Req);
break;
case SRB_FUNCTION_RELEASE_RECOVERY:
case SRB_FUNCTION_RECEIVE_EVENT:
case SRB_FUNCTION_IO_CONTROL:
default:
TRACE(0, ("StartIO(): Unsupported command: 0x%x\n", Req->Function));
APISetStatus(Req, S_REQ_OPCODE, Terminal, NotSenseable);
return FALSE;
break;
}
ScsiPortNotification(NextLuRequest, HA, Req->PathId, Req->TargetId, Req->Lun);
return TRUE;
}
static void Out1a_ndachi(int tr)
{
ResetBus();
Go(WaitATN);
}
static void In2_atnhi(int a)
{ /* atn data transfer interrupted */
ResetBus();
Go(WaitATN); /* ??? */
}