centos man page for rio_sport_is_active

RIO_SPORT_IS_ACTIVE(9)						     Internals						    RIO_SPORT_IS_ACTIVE(9)

NAME
       rio_sport_is_active - Tests if a switch port has an active connection.

SYNOPSIS
       int rio_sport_is_active(struct rio_mport * port, u16 destid, u8 hopcount, int sport);

ARGUMENTS
       port
	   Master port to send transaction

       destid
	   Associated destination ID for switch

       hopcount
	   Hopcount to reach switch

       sport
	   Switch port number

DESCRIPTION
       Reads the port error status CSR for a particular switch port to determine if the port has an active link. Returns
       RIO_PORT_N_ERR_STS_PORT_OK if the port is active or 0 if it is inactive.

AUTHOR
       Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    RIO_SPORT_IS_ACTIVE(9)