WAITFORDOORBELLACK

Section: Message-based devices (9)
Updated: February 2011
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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.  

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