BSP Developer's Guide

VxWorks 5.5
BSP Developer’s Guide
}
entryPt = XXX_SCRIPT_TGT_DISCONNECT;
break;
/* Resume thread if it is still connected */
xxxResume (pSiop, pThread, entryPt);
}
/***************************************************************************
*
* xxxResume - resume a script corresponding to a suspended thread
*
* NOTE: the script can only be resumed if the controller is currently idle.
* To avoid races, interrupts must be locked while this is checked and the
* script re-started.
*
* Reasons why the controller might not be idle include SCSI bus reset and
* unexpected disconnection, both of which might occur in practice. Hence
* this is not considered to be a major software error.
*
* RETURNS: OK, or ERROR if the controller is in an invalid state (this
* should not be treated as a major software failure).
*/
LOCAL STATUS xxxResume
(
SIOP * pSiop, /* ptr to controller info */
XXX_THREAD * pThread, /* ptr to thread info */
XXX_SCRIPT_ENTRY entryId /* entry point of script to resume */
)
{
STATUS status;
int key;
/*
* Check validity of connection and start script if OK
*/
key = intLock ();
xxxScriptStart (pSiop, pThread, entryId);
pSiop->state = NCR810_STATE_ACTIVE;
status = OK;
intUnlock (key);
return (status);
}
/***************************************************************************
*
* xxxInitEvent - XXX SCSI controller initiator thread event processing rout
*
* Parse the event type and handle it accordingly. This may result in state
* changes for the thread, state variables being updated, etc.
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