Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
rio_mport_get_feature - query for devices’ extended features
SYNOPSIS
u32 rio_mport_get_feature (struct rio_mport * port, int local,
u16 destid, u8 hopcount, int ftr);
ARGUMENTS
port Master port to issue transaction
local Indicate a local master port or remote device access
destid Destination ID of the device
hopcount
Number of switch hops to the device
ftr Extended feature code
DESCRIPTION
Tell if a device supports a given RapidIO capability. Returns the
offset of the requested extended feature block within the device’s RIO
configuration space or 0 in case the device does not support it.
Possible values for ftr:
RIO_EFB_PAR_EP_IDLP/LVDS EP Devices
RIO_EFB_PAR_EP_REC_IDLP/LVDS EP Recovery Devices
RIO_EFB_PAR_EP_FREE_IDLP/LVDS EP Free Devices
RIO_EFB_SER_EP_IDLP/Serial EP Devices
RIO_EFB_SER_EP_REC_IDLP/Serial EP Recovery Devices
RIO_EFB_SER_EP_FREE_IDLP/Serial EP Free Devices
AUTHOR
Matt Porter <mporter@kernel.crashing.org> <mporter@mvista.com>.