RIO_MPORT_GET_FEATUR(9) Internals RIO_MPORT_GET_FEATUR(9)NAMErio_mport_get_feature - query for devicesĀ“ 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 deviceĀ“s RIO
configuration space or 0 in case the device does not support it.
Possible values for ftr:
RIO_EFB_PAR_EP_ID LP/LVDS EP Devices
RIO_EFB_PAR_EP_REC_ID LP/LVDS EP Recovery Devices
RIO_EFB_PAR_EP_FREE_ID LP/LVDS EP Free Devices
RIO_EFB_SER_EP_ID LP/Serial EP Devices
RIO_EFB_SER_EP_REC_ID LP/Serial EP Recovery Devices
RIO_EFB_SER_EP_FREE_ID LP/Serial EP Free Devices
AUTHOR
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 RIO_MPORT_GET_FEATUR(9)