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 3.10 June 2014 WAITFORDOORBELLACK(9)
