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- #ifndef _MACHINE_BUS_DMA_H_
- #define _MACHINE_BUS_DMA_H_
- #define WANT_INLINE_DMAMAP
- #include <sys/bus_dma.h>
- #include <machine/bus_dma_impl.h>
- /*
- * Allocate a handle for mapping from kva/uva/physical
- * address space into bus device space.
- */
- static inline int
- bus_dmamap_create(bus_dma_tag_t dmat, int flags, bus_dmamap_t *mapp)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->map_create(dmat, flags, mapp));
- }
- /*
- * Destroy a handle for mapping from kva/uva/physical
- * address space into bus device space.
- */
- static inline int
- bus_dmamap_destroy(bus_dma_tag_t dmat, bus_dmamap_t map)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->map_destroy(dmat, map));
- }
- /*
- * Allocate a piece of memory that can be efficiently mapped into
- * bus device space based on the constraints listed in the dma tag.
- * A dmamap to for use with dmamap_load is also allocated.
- */
- static inline int
- bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
- bus_dmamap_t *mapp)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->mem_alloc(dmat, vaddr, flags, mapp));
- }
- /*
- * Free a piece of memory and it's allociated dmamap, that was allocated
- * via bus_dmamem_alloc.
- */
- static inline void
- bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- tc->impl->mem_free(dmat, vaddr, map);
- }
- /*
- * Release the mapping held by map.
- */
- static inline void
- bus_dmamap_unload(bus_dma_tag_t dmat, bus_dmamap_t map)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- tc->impl->map_unload(dmat, map);
- }
- static inline void
- bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, bus_dmasync_op_t op)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- tc->impl->map_sync(dmat, map, op);
- }
- static inline int
- _bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmamap_t map, vm_paddr_t buf,
- bus_size_t buflen, int flags, bus_dma_segment_t *segs, int *segp)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->load_phys(dmat, map, buf, buflen, flags, segs,
- segp));
- }
- static inline 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)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->load_ma(dmat, map, ma, tlen, ma_offs, flags,
- segs, segp));
- }
- static inline int
- _bus_dmamap_load_buffer(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf,
- bus_size_t buflen, struct pmap *pmap, int flags, bus_dma_segment_t *segs,
- int *segp)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->load_buffer(dmat, map, buf, buflen, pmap, flags, segs,
- segp));
- }
- static inline void
- _bus_dmamap_waitok(bus_dma_tag_t dmat, bus_dmamap_t map,
- struct memdesc *mem, bus_dmamap_callback_t *callback, void *callback_arg)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- tc->impl->map_waitok(dmat, map, mem, callback, callback_arg);
- }
- static inline bus_dma_segment_t *
- _bus_dmamap_complete(bus_dma_tag_t dmat, bus_dmamap_t map,
- bus_dma_segment_t *segs, int nsegs, int error)
- {
- struct bus_dma_tag_common *tc;
- tc = (struct bus_dma_tag_common *)dmat;
- return (tc->impl->map_complete(dmat, map, segs, nsegs, error));
- }
- #endif /* !_MACHINE_BUS_DMA_H_ */
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