pci_set_ltr(9) centos man page | unix.com

PCI_SET_LTR(9)							Hardware Interfaces						    PCI_SET_LTR(9)

NAME
       pci_set_ltr - set LTR latency values

SYNOPSIS
       int pci_set_ltr(struct pci_dev * dev, int snoop_lat_ns, int nosnoop_lat_ns);

ARGUMENTS
       dev
	   PCI device

       snoop_lat_ns
	   snoop latency in nanoseconds

       nosnoop_lat_ns
	   nosnoop latency in nanoseconds

DESCRIPTION
       Figure out the scale and set the LTR values accordingly.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    PCI_SET_LTR(9)