WAITFORDOORBELLACK(9)                 Message-based devices                 WAITFORDOORBELLACK(9)



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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                     WAITFORDOORBELLACK(9)