rio_mport_get_feature
Prev Driver functionality Next

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_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

Prev Up Next
rio_setup_inb_dbell Home RIO_LOP_READ