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.