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WAITFORDOORBELLACK(9) | Message-based devices | WAITFORDOORBELLACK(9) |
NAME¶
WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledgeSYNOPSIS¶
int
WaitForDoorbellAck(MPT_ADAPTER * ioc,
int howlong,
int sleepFlag);
ARGUMENTS¶
iocPointer 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¶
January 2017 | Kernel Hackers Manual 4.8. |