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RIO_LOCK_DEVICE(9) RapidIO driver interface 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

struct rio_mport * port

Master port to send transaction

u16 destid

Destination ID for device/switch

u8 hopcount

Hopcount to reach switch

int 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

June 2017 Kernel Hackers Manual 4.11