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RIO_ROUTE_GET_ENTRY(9) RapidIO driver interface RIO_ROUTE_GET_ENTRY(9)

NAME

rio_route_get_entry - Read an entry from a switch routing table

SYNOPSIS

int rio_route_get_entry(struct rio_dev * rdev, u16 table, u16 route_destid, u8 * route_port, int lock);

ARGUMENTS

struct rio_dev * rdev

RIO device

u16 table

Routing table ID

u16 route_destid

Destination ID to be routed

u8 * route_port

Pointer to read port number into

int lock

apply a hardware lock on switch device flag (1=lock, 0=no_lock)

DESCRIPTION

If available calls the switch specific get_entry method to fetch a route entry from a switch routing table. Otherwise uses standard RT read method as defined by RapidIO specification. A specific routing table can be selected using the table argument if a switch has per port routing tables or the standard (or global) table may be used by passing RIO_GLOBAL_TABLE in table.

Returns 0 on success or -EINVAL on failure.

AUTHOR

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

Author.

COPYRIGHT

July 2017 Kernel Hackers Manual 4.12