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.