MVS_CRQB_OFFSET
(ch->dma.workrq + MVS_CRQB_OFFSET + (MVS_CRQB_SIZE * ch->out_idx));
(ch->dma.workrq + MVS_CRQB_OFFSET + (MVS_CRQB_SIZE * ch->out_idx));
ch->dma.workrq_bus + MVS_CRQB_OFFSET + (MVS_CRQB_SIZE * ch->out_idx));
#define MVS_EPRD_OFFSET (MVS_CRQB_OFFSET + MVS_CRQB_SIZE * MVS_MAX_SLOTS)