Name
WaitForDoorbellAck — 
     Wait for IOC doorbell handshake acknowledge
 
Synopsis
| int WaitForDoorbellAck ( | MPT_ADAPTER * ioc, | 
|  | int howlong, | 
|  | int sleepFlag ); | 
 
Arguments
- ioc
- 
     Pointer to MPT_ADAPTER structure
     
- howlong
- 
     How long to wait (in seconds)
     
- sleepFlag
- 
     Specifies whether the process can sleep
     
Description
   This routine waits (up to ~2 seconds max) for IOC doorbell
   handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
   bit in its IntStatus register being clear.
   
   Returns a negative value on failure, else wait loop count.