sys/kern/subr_bus_dma.c

63     bus_dma_segment_t *list, int sglist_cnt, struct pmap *pmap, int *nsegs,
83 		    flags, NULL, nsegs);
95     bus_dma_segment_t *list, int sglist_cnt, int *nsegs, int flags)
103 		    nsegs);
115     struct mbuf *m0, bus_dma_segment_t *segs, int *nsegs, int flags)
125 			    segs, nsegs);
128 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
129 	    __func__, dmat, flags, error, *nsegs);
138     int *nsegs, int flags)
144 		    kernel_pmap, nsegs, flags, bio->bio_ma_offset,
150 		    bio->bio_bcount, bio->bio_ma_offset, flags, NULL, nsegs));
153 	    bio->bio_bcount, kernel_pmap, flags, NULL, nsegs));
183 		    int *nsegs, int flags)
239 		    kernel_pmap, flags, NULL, nsegs);
244 		    nsegs);
249 		    nsegs, flags, 0, dxfer_len);
253 		    (bus_dma_segment_t *)data_ptr, sglist_cnt, nsegs, flags);
257 		    nsegs, flags);
271     int *nsegs, int flags)
300 			    minlen, pmap, flags, NULL, nsegs);
319 	int nsegs;
326 	nsegs = -1;
328 	    flags, NULL, &nsegs);
329 	nsegs++;
331 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
332 	    __func__, dmat, flags, error, nsegs);
337 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
341 		(*callback)(callback_arg, segs, nsegs, 0);
358 	int nsegs, error;
363 	nsegs = -1;
364 	error = _bus_dmamap_load_mbuf_sg(dmat, map, m0, NULL, &nsegs, flags);
365 	++nsegs;
367 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
371 		(*callback)(callback_arg, segs, nsegs, m0->m_pkthdr.len, error);
373 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
374 	    __func__, dmat, flags, error, nsegs);
380     bus_dma_segment_t *segs, int *nsegs, int flags)
385 	*nsegs = -1;
386 	error = _bus_dmamap_load_mbuf_sg(dmat, map, m0, segs, nsegs, flags);
387 	++*nsegs;
388 	_bus_dmamap_complete(dmat, map, segs, *nsegs, error);
397 	int nsegs, error;
400 	nsegs = -1;
401 	error = _bus_dmamap_load_uio(dmat, map, uio, &nsegs, flags);
402 	nsegs++;
404 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
408 		(*callback)(callback_arg, segs, nsegs, uio->uio_resid, error);
410 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
411 	    __func__, dmat, flags, error, nsegs);
424 	int nsegs;
435 	nsegs = -1;
436 	error = _bus_dmamap_load_ccb(dmat, map, ccb, &nsegs, flags);
437 	nsegs++;
439 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
440 	    __func__, dmat, flags, error, nsegs);
445 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
449 		(*callback)(callback_arg, segs, nsegs, error);
468 	int nsegs;
474 	nsegs = -1;
475 	error = _bus_dmamap_load_bio(dmat, map, bio, &nsegs, flags);
476 	nsegs++;
478 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
479 	    __func__, dmat, flags, error, nsegs);
484 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
488 		(*callback)(callback_arg, segs, nsegs, error);
506 	int nsegs;
511 	nsegs = -1;
516 		    mem->md_opaque, kernel_pmap, flags, NULL, &nsegs);
520 		    mem->md_opaque, flags, NULL, &nsegs);
524 		    mem->md_opaque, kernel_pmap, &nsegs, flags, 0, SIZE_T_MAX);
528 		    mem->md_opaque, &nsegs, flags);
532 		    &nsegs, flags);
536 		    &nsegs, flags);
540 		    NULL, &nsegs, flags);
543 		error = _bus_dmamap_load_ccb(dmat, map, mem->u.md_ccb, &nsegs,
547 	nsegs++;
549 	CTR5(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d nsegs %d",
550 	    __func__, dmat, flags, error, nsegs);
555 	segs = _bus_dmamap_complete(dmat, map, NULL, nsegs, error);
559 		(*callback)(callback_arg, segs, nsegs, 0);