centos man page for waitfordoorbellint

WAITFORDOORBELLINT(9)					       Message-based devices					     WAITFORDOORBELLINT(9)

NAME
       WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit

SYNOPSIS
       int WaitForDoorbellInt(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 interrupt (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.

       Returns a negative value on failure, else wait loop count.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     WAITFORDOORBELLINT(9)