1WAITFORDOORBELLINT(9) Message-based devices WAITFORDOORBELLINT(9)
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6 WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
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9 int WaitForDoorbellInt(MPT_ADAPTER * ioc, int howlong, int sleepFlag);
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12 ioc
13 Pointer to MPT_ADAPTER structure
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15 howlong
16 How long to wait (in seconds)
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18 sleepFlag
19 Specifies whether the process can sleep
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22 This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
23 (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
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25 Returns a negative value on failure, else wait loop count.
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28Kernel Hackers Manual 2.6. June 2019 WAITFORDOORBELLINT(9)