49 static int ata_dmaload(struct ata_request *request, void *addr, int *nsegs);
50 static int ata_dmaunload(struct ata_request *request);
264 ata_dmaload(struct ata_request *request, void *addr, int *entries)  in ata_dmaload()  argument
266     struct ata_channel *ch = device_get_softc(request->parent);  in ata_dmaload()
270     ATA_DEBUG_RQ(request, "dmaload");  in ata_dmaload()
272     if (request->dma) {  in ata_dmaload()
273 	device_printf(request->parent,  in ata_dmaload()
277     if (!request->bytecount) {  in ata_dmaload()
278 	device_printf(request->parent,  in ata_dmaload()
282     if (request->bytecount & (ch->dma.alignment - 1)) {  in ata_dmaload()
283 	device_printf(request->parent,  in ata_dmaload()
285 		      request->bytecount, ch->dma.alignment);  in ata_dmaload()
288     if (request->bytecount > ch->dma.max_iosize) {  in ata_dmaload()
289 	device_printf(request->parent,  in ata_dmaload()
291 		      request->bytecount, ch->dma.max_iosize);  in ata_dmaload()
296     request->dma = &ch->dma.slot[0];  in ata_dmaload()
301 	dspa.dmatab = request->dma->sg;  in ata_dmaload()
303     if (request->flags & ATA_R_DATA_IN_CCB)  in ata_dmaload()
304         error = bus_dmamap_load_ccb(request->dma->data_tag,  in ata_dmaload()
305 				request->dma->data_map, request->ccb,  in ata_dmaload()
308         error = bus_dmamap_load(request->dma->data_tag, request->dma->data_map,  in ata_dmaload()
309 				request->data, request->bytecount,  in ata_dmaload()
312 	device_printf(request->parent, "FAILURE - load data\n");  in ata_dmaload()
319     bus_dmamap_sync(request->dma->sg_tag, request->dma->sg_map,  in ata_dmaload()
321     bus_dmamap_sync(request->dma->data_tag, request->dma->data_map,  in ata_dmaload()
322 		    (request->flags & ATA_R_READ) ?  in ata_dmaload()
327     ata_dmaunload(request);  in ata_dmaload()
332 ata_dmaunload(struct ata_request *request)  in ata_dmaunload()  argument
334     ATA_DEBUG_RQ(request, "dmaunload");  in ata_dmaunload()
336     if (request->dma) {  in ata_dmaunload()
337 	bus_dmamap_sync(request->dma->sg_tag, request->dma->sg_map,  in ata_dmaunload()
339 	bus_dmamap_sync(request->dma->data_tag, request->dma->data_map,  in ata_dmaunload()
340 			(request->flags & ATA_R_READ) ?  in ata_dmaunload()
343 	bus_dmamap_unload(request->dma->data_tag, request->dma->data_map);  in ata_dmaunload()
344         request->dma = NULL;  in ata_dmaunload()