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)
