/* to take over. */
void E2FilterIORB (PIORB pIORB)
{
NPRecHeader pUnitRec; /* Ptr to unit rec for IORB */
NPIORBQueue pQueue; /* Ptr to queue for IORB */
if (pIORB->CommandCode==IOCC_CONFIGURATION) /* For configuration IORBs: */
pUnitRec= (NPRecHeader) VirtUnits; /* Assign IORB to the first */
/* virtual unit. (For queue) */
else
pUnitRec= (NPRecHeader) pIORB->UnitHandle; /* Get pointer to unit */
/* from the unit handle */
/* Check to see if pUnitRec is a pointer to a valid unit record. */
if (!(IS_ELEMENT(pUnitRec,BaseUnits,NumBaseUnits)||
IS_ELEMENT(pUnitRec,VirtUnits,NumVirtUnits)))
{
IORBError (pIORB,IOERR_NO_SUCH_UNIT); /* Tell them they are crazy! */
NotifyDone (pIORB); /* Notify that we are done */
}
else
{
pQueue= &(pUnitRec->IORBQueue); /* Get pointer to IORB queue */
DISABLE /* Same safety... */
AddIORBToQueue (pQueue,pIORB); /* Add IORB to queue */
ENABLE /* Re-enable interrupts */
StartIORBQueue (pQueue); /* Try to restart the queue */
}
}
/* the IORB queue. */
void PartCommandDone (NPVirtUnitRec pUnitRec, PIORB pIORB)
{
NPIORBQueue pQueue; /* Pointer to IORB queue */
pQueue= &(pUnitRec->Hdr.IORBQueue); /* Get pointer to queue */
pQueue->Flags&=~F_REQUEST_BUSY; /* Indicate queue finished */
NotifyDone (pIORB); /* Notify caller */
StartIORBQueue (pQueue); /* Try to restart queue */
}
/* restored before we pass it back to the original caller. */
void FilterNotify (PIORB pIORB)
{
NPBaseUnitRec pUnitRec; /* Ptr to unit record */
NPIORBQueue pQueue; /* Queue request came from */
pUnitRec= (NPBaseUnitRec) pIORB->Reserved_1; /* Get ptr to unit record */
pIORB->UnitHandle= (USHORT) pUnitRec; /* Restore old unit handle */
pIORB->RequestControl= pUnitRec->SaveReqCtrl; /* Restore rest of IORB */
pIORB->Reserved_1= pUnitRec->SaveReserved;
pIORB->NotifyAddress= pUnitRec->SaveNotify;
pQueue= &(pUnitRec->Hdr.IORBQueue); /* Get ptr to IORB queue */
pQueue->Flags&=~F_REQUEST_BUSY; /* Indicate queue finished */
NotifyDone (pIORB); /* Notify caller */
StartIORBQueue (pQueue); /* Try to restart queue */
}
