other versions
RIO_MPORT_GET_FEATUR(9) | RapidIO driver interface | RIO_MPORT_GET_FEATUR(9) |
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.
AUTHOR¶
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.
COPYRIGHT¶
March 2017 | Kernel Hackers Manual 4.10 |