58 	struct proto_ioc_busdma *ioc;  member
63     struct proto_ioc_busdma *ioc)  in proto_busdma_tag_create()  argument
68 	if (ioc->u.tag.bndry != 0 &&  in proto_busdma_tag_create()
69 	    (ioc->u.tag.bndry & (ioc->u.tag.bndry - 1)) != 0)  in proto_busdma_tag_create()
77 	if (ioc->u.tag.maxsegsz > ioc->u.tag.maxsz || ioc->u.tag.nsegs == 1)  in proto_busdma_tag_create()
78 		ioc->u.tag.maxsegsz = ioc->u.tag.maxsz;  in proto_busdma_tag_create()
84 		tag->align = MAX(ioc->u.tag.align, parent->align);  in proto_busdma_tag_create()
85 		tag->bndry = BNDRY_MIN(ioc->u.tag.bndry, parent->bndry);  in proto_busdma_tag_create()
86 		tag->maxaddr = MIN(ioc->u.tag.maxaddr, parent->maxaddr);  in proto_busdma_tag_create()
87 		tag->maxsz = MIN(ioc->u.tag.maxsz, parent->maxsz);  in proto_busdma_tag_create()
88 		tag->maxsegsz = MIN(ioc->u.tag.maxsegsz, parent->maxsegsz);  in proto_busdma_tag_create()
89 		tag->nsegs = MIN(ioc->u.tag.nsegs, parent->nsegs);  in proto_busdma_tag_create()
90 		tag->datarate = MIN(ioc->u.tag.datarate, parent->datarate);  in proto_busdma_tag_create()
92 		ioc->u.tag.align = tag->align;  in proto_busdma_tag_create()
93 		ioc->u.tag.bndry = tag->bndry;  in proto_busdma_tag_create()
94 		ioc->u.tag.maxaddr = tag->maxaddr;  in proto_busdma_tag_create()
95 		ioc->u.tag.maxsz = tag->maxsz;  in proto_busdma_tag_create()
96 		ioc->u.tag.maxsegsz = tag->maxsegsz;  in proto_busdma_tag_create()
97 		ioc->u.tag.nsegs = tag->nsegs;  in proto_busdma_tag_create()
98 		ioc->u.tag.datarate = tag->datarate;  in proto_busdma_tag_create()
100 		tag->align = ioc->u.tag.align;  in proto_busdma_tag_create()
101 		tag->bndry = ioc->u.tag.bndry;  in proto_busdma_tag_create()
102 		tag->maxaddr = ioc->u.tag.maxaddr;  in proto_busdma_tag_create()
103 		tag->maxsz = ioc->u.tag.maxsz;  in proto_busdma_tag_create()
104 		tag->maxsegsz = ioc->u.tag.maxsegsz;  in proto_busdma_tag_create()
105 		tag->nsegs = ioc->u.tag.nsegs;  in proto_busdma_tag_create()
106 		tag->datarate = ioc->u.tag.datarate;  in proto_busdma_tag_create()
109 	ioc->result = (uintptr_t)(void *)tag;  in proto_busdma_tag_create()
167 	pcb->ioc->u.md.bus_nsegs = nseg;  in proto_busdma_mem_alloc_callback()
168 	pcb->ioc->u.md.bus_addr = segs[0].ds_addr;  in proto_busdma_mem_alloc_callback()
173     struct proto_ioc_busdma *ioc)  in proto_busdma_mem_alloc()  argument
198 	pcb.ioc = ioc;  in proto_busdma_mem_alloc()
209 	ioc->u.md.virt_addr = (uintptr_t)md->virtaddr;  in proto_busdma_mem_alloc()
210 	ioc->u.md.virt_size = tag->maxsz;  in proto_busdma_mem_alloc()
211 	ioc->u.md.phys_nsegs = 1;  in proto_busdma_mem_alloc()
212 	ioc->u.md.phys_addr = md->physaddr;  in proto_busdma_mem_alloc()
213 	ioc->result = (uintptr_t)(void *)md;  in proto_busdma_mem_alloc()
228     struct proto_ioc_busdma *ioc)  in proto_busdma_md_create()  argument
252 	ioc->result = (uintptr_t)(void *)md;  in proto_busdma_md_create()
271 	pcb->ioc->u.md.bus_nsegs = nseg;  in proto_busdma_md_load_callback()
272 	pcb->ioc->u.md.bus_addr = segs[0].ds_addr;  in proto_busdma_md_load_callback()
277     struct proto_ioc_busdma *ioc, struct thread *td)  in proto_busdma_md_load()  argument
285 	iov.iov_base = (void *)(uintptr_t)ioc->u.md.virt_addr;  in proto_busdma_md_load()
286 	iov.iov_len = ioc->u.md.virt_size;  in proto_busdma_md_load()
297 	pcb.ioc = ioc;  in proto_busdma_md_load()
305 	md->physaddr = pmap_extract(pmap, ioc->u.md.virt_addr);  in proto_busdma_md_load()
306 	ioc->u.md.phys_nsegs = 1;	/* XXX */  in proto_busdma_md_load()
307 	ioc->u.md.phys_addr = md->physaddr;  in proto_busdma_md_load()
324     struct proto_ioc_busdma *ioc)  in proto_busdma_sync()  argument
330 	if (ioc->u.sync.op & ~ops)  in proto_busdma_sync()
334 	bus_dmamap_sync(md->bd_tag, md->bd_map, ioc->u.sync.op);  in proto_busdma_sync()
387     struct proto_ioc_busdma *ioc, struct thread *td)  in proto_busdma_ioctl()  argument
396 	switch (ioc->request) {  in proto_busdma_ioctl()
399 		error = proto_busdma_tag_create(busdma, NULL, ioc);  in proto_busdma_ioctl()
402 		tag = proto_busdma_tag_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
407 		error = proto_busdma_tag_create(busdma, tag, ioc);  in proto_busdma_ioctl()
410 		tag = proto_busdma_tag_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
418 		tag = proto_busdma_tag_lookup(busdma, ioc->u.md.tag);  in proto_busdma_ioctl()
423 		error = proto_busdma_mem_alloc(busdma, tag, ioc);  in proto_busdma_ioctl()
426 		md = proto_busdma_md_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
434 		tag = proto_busdma_tag_lookup(busdma, ioc->u.md.tag);  in proto_busdma_ioctl()
439 		error = proto_busdma_md_create(busdma, tag, ioc);  in proto_busdma_ioctl()
442 		md = proto_busdma_md_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
450 		md = proto_busdma_md_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
455 		error = proto_busdma_md_load(busdma, md, ioc, td);  in proto_busdma_ioctl()
458 		md = proto_busdma_md_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
466 		md = proto_busdma_md_lookup(busdma, ioc->key);  in proto_busdma_ioctl()
471 		error = proto_busdma_sync(busdma, md, ioc);  in proto_busdma_ioctl()