Name

pci_enable_msi_range — configure device's MSI capability structure

Synopsis

int pci_enable_msi_range (struct pci_dev * dev,
 int minvec,
 int maxvec);
 

Arguments

dev

device to configure

minvec

minimal number of interrupts to configure

maxvec

maximum number of interrupts to configure

Description

This function tries to allocate a maximum possible number of interrupts in a range between minvec and maxvec. It returns a negative errno if an error occurs. If it succeeds, it returns the actual number of interrupts allocated and updates the dev's irq member to the lowest new interrupt number; the other interrupt numbers allocated to this device are consecutive.