pci_enable_msi

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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.