other versions
- jessie 3.16.56-1+deb8u1
RIO_MPORT_GET_FEATUR(9) | RapidIO driver interface | RIO_MPORT_GET_FEATUR(9) |
NAME¶
rio_mport_get_feature - query for devices' extended featuresSYNOPSIS¶
u32
rio_mport_get_feature(struct rio_mport * port,
int local, u16 destid,
u8 hopcount, int ftr);
ARGUMENTS¶
portMaster 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_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 DevicesAUTHOR¶
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>Author.
COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |