diff options
Diffstat (limited to 'sys/sys/bus_dma.h')
| -rw-r--r-- | sys/sys/bus_dma.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/sys/bus_dma.h b/sys/sys/bus_dma.h index c3ac56e..5f096f8 100644 --- a/sys/sys/bus_dma.h +++ b/sys/sys/bus_dma.h @@ -247,6 +247,15 @@ int bus_dmamap_load_mem(bus_dma_tag_t dmat, bus_dmamap_t map, void *callback_arg, int flags); /* + * Placeholder for use by busdma implementations which do not benefit + * from optimized procedure to load an array of vm_page_t. Falls back + * to do _bus_dmamap_load_phys() in loop. + */ +int bus_dmamap_load_ma_triv(bus_dma_tag_t dmat, bus_dmamap_t map, + struct vm_page **ma, bus_size_t tlen, int ma_offs, int flags, + bus_dma_segment_t *segs, int *segp); + +/* * XXX sparc64 uses the same interface, but a much different implementation. * <machine/bus_dma.h> for the sparc64 arch contains the equivalent * declarations. @@ -324,6 +333,10 @@ int _bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmamap_t map, vm_paddr_t paddr, bus_size_t buflen, int flags, bus_dma_segment_t *segs, int *segp); +int _bus_dmamap_load_ma(bus_dma_tag_t dmat, bus_dmamap_t map, + struct vm_page **ma, bus_size_t tlen, int ma_offs, int flags, + bus_dma_segment_t *segs, int *segp); + bus_dma_segment_t *_bus_dmamap_complete(bus_dma_tag_t dmat, bus_dmamap_t map, bus_dma_segment_t *segs, |
