Lines Matching defs:ch
128 struct ata_channel *ch = device_get_softc(dev);
135 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
137 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
206 struct ata_channel *ch = device_get_softc(request->parent);
219 if (((uintptr_t)(request->data) & (ch->dma.alignment - 1)) ||
220 (request->bytecount & (ch->dma.alignment - 1))) {
225 if (request->bytecount > ch->dma.max_iosize) {
228 request->bytecount, ch->dma.max_iosize);
232 request->dma = &ch->dma.slot[0];
253 ch->dma.unload(request);