Lines Matching defs:powerpc_bus_dmamap
371 struct powerpc_bus_dmamap { struct
375 bus_size_t _dm_size; /* largest DMA transfer mappable */
376 int _dm_segcnt; /* number of segs this map can map */
377 bus_size_t _dm_maxmaxsegsz; /* fixed largest possible segment */
378 bus_size_t _dm_boundary; /* don't cross this */
379 bus_addr_t _dm_bounce_thresh; /* bounce threshold; see tag */
380 int _dm_flags; /* misc. flags */
382 void *_dm_cookie; /* cookie for bus-specific functions */
387 bus_size_t dm_maxsegsz; /* largest possible segment */
388 bus_size_t dm_mapsize; /* size of the mapping */
389 int dm_nsegs; /* # valid segments in mapping */
390 bus_dma_segment_t dm_segs[1]; /* segments; variable length */