centos man page for pci_find_ht_capability

PCI_FIND_HT_CAPABILI(9) 					Hardware Interfaces					   PCI_FIND_HT_CAPABILI(9)

NAME
       pci_find_ht_capability - query a device's Hypertransport capabilities

SYNOPSIS
       int pci_find_ht_capability(struct pci_dev * dev, int ht_cap);

ARGUMENTS
       dev
	   PCI device to query

       ht_cap
	   Hypertransport capability code

DESCRIPTION
       Tell if a device supports a given Hypertransport capability. Returns an address within the device's PCI configuration space or 0 in case
       the device does not support the request capability. The address points to the PCI capability, of type PCI_CAP_ID_HT, which has a
       Hypertransport capability matching ht_cap.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   PCI_FIND_HT_CAPABILI(9)