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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_dev * rdev, int sp);

ARGUMENTS

struct rio_dev * rdev

RapidIO device object

int sp

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

September 2017 Kernel Hackers Manual 4.12