i2o_pci_interrupt(9) centos man page | unix.com

I2O_PCI_INTERRUPT(9)					       Message-based devices					      I2O_PCI_INTERRUPT(9)

NAME
       i2o_pci_interrupt - Interrupt handler for I2O controller

SYNOPSIS
       irqreturn_t i2o_pci_interrupt(int irq, void * dev_id);

ARGUMENTS
       irq
	   interrupt line

       dev_id
	   pointer to the I2O controller

DESCRIPTION
       Handle an interrupt from a PCI based I2O controller. This turns out to be rather simple. We keep the controller pointer in the cookie.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      I2O_PCI_INTERRUPT(9)