Lines Matching defs:sparc_bus_dmamap
308 struct sparc_bus_dmamap { struct
312 bus_size_t _dm_size; /* largest DMA transfer mappable */
313 int _dm_segcnt; /* number of segs this map can map */
314 bus_size_t _dm_maxmaxsegsz; /* fixed largest possible segment */
315 bus_size_t _dm_boundary; /* don't cross this */
316 int _dm_flags; /* misc. flags */
318 void *_dm_cookie; /* cookie for bus-specific functions */
320 u_long _dm_align; /* DVMA alignment; must be a
322 u_long _dm_ex_start; /* constraints on DVMA map */
323 u_long _dm_ex_end; /* allocations; used by the VME bus
330 bus_size_t dm_maxsegsz; /* largest possible segment */
331 bus_size_t dm_mapsize; /* size of the mapping */
332 int dm_nsegs; /* # valid segments in mapping */
333 bus_dma_segment_t dm_segs[1]; /* segments; variable length */