MPT_INTERRUPT - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Message-based devices

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NAMEmpt_interrupt − MPT adapter (IOC) specific interrupt handler​.

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SYNOPSISirqreturn_t mpt_interrupt(int irq, void * bus_id);

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ARGUMENTSirq irq number (not used) bus_id bus identifier cookie == pointer to MPT_ADAPTER structure

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DESCRIPTIONThis routine is registered via the request_irq kernel API call, and handles all interrupts generated from a specific MPT adapter (also referred to as a IO Controller or IOC)​. This routine must clear the interrupt from the adapter and does so by reading the reply FIFO​. Multiple replies may be processed per single call to this routine​. This routine handles register−level access of the adapter but dispatches (calls) a protocol−specific callback routine to handle the protocol−specific details of the MPT request completion​.

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