RIO_LOCK_DEVICE
Section: Internals (9)
Updated: February 2011
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NAME
rio_lock_device - Acquires host device lock for specified device
SYNOPSIS
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int rio_lock_device(struct rio_mport * port, u16 destid, u8 hopcount, int wait_ms);
ARGUMENTS
port
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- Master port to send transaction
destid
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Destination ID for device/switch
hopcount
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Hopcount to reach switch
wait_ms
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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>
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Author.
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