pci_enable_msi(9)
NAME
pci_enable_msi - configure device's MSI capability structure
SYNOPSIS
int pci_enable_msi(struct pci_dev * dev);
ARGUMENTS
- dev
- pointer to the pci_dev data structure of MSI device function
DESCRIPTION
Setup the MSI capability structure of device function with a single MSI
irq upon its software driver call to request for MSI mode enabled on
its hardware device function. A return of zero indicates the successful
setup of an entry zero with the new MSI irq or non-zero for otherwise.