diff options
| author | Scott Long <scottl@FreeBSD.org> | 2003-11-07 23:29:42 +0000 |
|---|---|---|
| committer | Scott Long <scottl@FreeBSD.org> | 2003-11-07 23:29:42 +0000 |
| commit | eb3b7bf69f759b71d10ca82f588f2c94d2c3d962 (patch) | |
| tree | 932a39fada873b9447f0f12923a7e92bd686c0a7 /sys/alpha/include | |
| parent | 8f1ee3683df30f5050f180ab82a8e49738a1f3e1 (diff) | |
Notes
Diffstat (limited to 'sys/alpha/include')
| -rw-r--r-- | sys/alpha/include/bus.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/alpha/include/bus.h b/sys/alpha/include/bus.h index 8c6d3240b289..4fe12862b684 100644 --- a/sys/alpha/include/bus.h +++ b/sys/alpha/include/bus.h @@ -569,6 +569,10 @@ typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t); * nsegments: Number of discontinuities allowed in maps. * maxsegsz: Maximum size of a segment in the map. * flags: Bus DMA flags. + * lockfunc: An optional function to handle driver-defined lock + * operations. + * lockfuncarg: An argument that will be passed to lockfunc in addition + * to the lock operation. * dmat: A pointer to set to a valid dma tag should the return * value of this function indicate success. */ |