52 static int ata_dmaload(struct ata_request *request, void *addr, int *nsegs);
53 static int ata_dmaunload(struct ata_request *request);
267 ata_dmaload(struct ata_request *request, void *addr, int *entries)  in ata_dmaload()  argument
269     struct ata_channel *ch = device_get_softc(request->parent);  in ata_dmaload()
273     ATA_DEBUG_RQ(request, "dmaload");  in ata_dmaload()
275     if (request->dma) {  in ata_dmaload()
276 	device_printf(request->parent,  in ata_dmaload()
280     if (!request->bytecount) {  in ata_dmaload()
281 	device_printf(request->parent,  in ata_dmaload()
285     if (request->bytecount & (ch->dma.alignment - 1)) {  in ata_dmaload()
286 	device_printf(request->parent,  in ata_dmaload()
288 		      request->bytecount, ch->dma.alignment);  in ata_dmaload()
291     if (request->bytecount > ch->dma.max_iosize) {  in ata_dmaload()
292 	device_printf(request->parent,  in ata_dmaload()
294 		      request->bytecount, ch->dma.max_iosize);  in ata_dmaload()
299     request->dma = &ch->dma.slot[0];  in ata_dmaload()
304 	dspa.dmatab = request->dma->sg;  in ata_dmaload()
306     if (request->flags & ATA_R_DATA_IN_CCB)  in ata_dmaload()
307         error = bus_dmamap_load_ccb(request->dma->data_tag,  in ata_dmaload()
308 				request->dma->data_map, request->ccb,  in ata_dmaload()
311         error = bus_dmamap_load(request->dma->data_tag, request->dma->data_map,  in ata_dmaload()
312 				request->data, request->bytecount,  in ata_dmaload()
315 	device_printf(request->parent, "FAILURE - load data\n");  in ata_dmaload()
322     bus_dmamap_sync(request->dma->sg_tag, request->dma->sg_map,  in ata_dmaload()
324     bus_dmamap_sync(request->dma->data_tag, request->dma->data_map,  in ata_dmaload()
325 		    (request->flags & ATA_R_READ) ?  in ata_dmaload()
330     ata_dmaunload(request);  in ata_dmaload()
335 ata_dmaunload(struct ata_request *request)  in ata_dmaunload()  argument
337     ATA_DEBUG_RQ(request, "dmaunload");  in ata_dmaunload()
339     if (request->dma) {  in ata_dmaunload()
340 	bus_dmamap_sync(request->dma->sg_tag, request->dma->sg_map,  in ata_dmaunload()
342 	bus_dmamap_sync(request->dma->data_tag, request->dma->data_map,  in ata_dmaunload()
343 			(request->flags & ATA_R_READ) ?  in ata_dmaunload()
346 	bus_dmamap_unload(request->dma->data_tag, request->dma->data_map);  in ata_dmaunload()
347         request->dma = NULL;  in ata_dmaunload()