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| author | scottl <scottl@FreeBSD.org> | 2003-11-07 23:29:42 +0000 |
|---|---|---|
| committer | scottl <scottl@FreeBSD.org> | 2003-11-07 23:29:42 +0000 |
| commit | e3855085d101638bdcca471186a43f37fbc0852f (patch) | |
| tree | 932a39fada873b9447f0f12923a7e92bd686c0a7 /sys/ia64 | |
| parent | 94792986aa79c6ce22b1a1cc8826ded182622203 (diff) | |
| download | FreeBSD-src-e3855085d101638bdcca471186a43f37fbc0852f.zip FreeBSD-src-e3855085d101638bdcca471186a43f37fbc0852f.tar.gz | |
Document the lockfunc and lockfuncarg arguments to bus_dma_tag_create() in
the busdma headers.
Diffstat (limited to 'sys/ia64')
| -rw-r--r-- | sys/ia64/include/bus.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/ia64/include/bus.h b/sys/ia64/include/bus.h index 9c9ae36..e8e7574 100644 --- a/sys/ia64/include/bus.h +++ b/sys/ia64/include/bus.h @@ -940,6 +940,10 @@ 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. */ |
