pci_set_mwi(9) centos man page | unix.com

PCI_SET_MWI(9)							Hardware Interfaces						    PCI_SET_MWI(9)

NAME
       pci_set_mwi - enables memory-write-invalidate PCI transaction

SYNOPSIS
       int pci_set_mwi(struct pci_dev * dev);

ARGUMENTS
       dev
	   the PCI device for which MWI is enabled

DESCRIPTION
       Enables the Memory-Write-Invalidate transaction in PCI_COMMAND.

RETURNS
       An appropriate -ERRNO error value on error, or zero for success.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    PCI_SET_MWI(9)