Lines Matching defs:vax_bus_dmamap
920 struct vax_bus_dmamap { struct
924 bus_size_t _dm_size; /* largest DMA transfer mappable */
925 int _dm_segcnt; /* number of segs this map can map */
926 bus_size_t _dm_maxmaxsegsz; /* fixed largest possible segment */
927 bus_size_t _dm_boundary; /* don't cross this */
928 int _dm_flags; /* misc. flags */
934 int _dm_pteidx; /* PTE index */
935 int _dm_ptecnt; /* PTE count */
936 u_long _dm_sgva; /* allocated sgva */
937 bus_size_t _dm_sgvalen; /* svga length */
942 bus_size_t dm_maxsegsz; /* largest possible segment */
943 bus_size_t dm_mapsize; /* size of the mapping */
944 int dm_nsegs; /* # valid segments in mapping */
945 bus_dma_segment_t dm_segs[1]; /* segments; variable length */