centos man page for rio_lock_device

RIO_LOCK_DEVICE(9)						     Internals							RIO_LOCK_DEVICE(9)

NAME
       rio_lock_device - Acquires host device lock for specified device

SYNOPSIS
       int rio_lock_device(struct rio_mport * port, u16 destid, u8 hopcount, int wait_ms);

ARGUMENTS
       port
	   Master port to send transaction

       destid
	   Destination ID for device/switch

       hopcount
	   Hopcount to reach switch

       wait_ms
	   Max wait time in msec (0 = no timeout)

DESCRIPTION
       Attepts to acquire host device lock for specified device Returns 0 if device lock acquired or EINVAL if timeout expires.

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

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							RIO_LOCK_DEVICE(9)