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Interrupts



Hello,

I am new to PCI and have got some doubts. Whenevr an interrupt (say INTa#)
is generated from the PCI device, what all actions are done by the host and
what all registers it access in the device? How it comes to know which
function in the device (if it is a multifunction device) has generated the
interrupt? And if two functions generate the interrupt (INTA#) at the same
time in what order it is serviced?

Regards,
Rashmy


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Dexcel Electronics Designs (P) Ltd., Bangalore, India