table of contents
| 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¶
| June 2024 | Kernel Hackers Manual 3.10 |