xdma_channel
struct xdma_channel *xchan;
pl330_channel_alloc(device_t dev, struct xdma_channel *xchan)
pl330_channel_free(device_t dev, struct xdma_channel *xchan)
pl330_channel_submit_sg(device_t dev, struct xdma_channel *xchan,
pl330_channel_prep_sg(device_t dev, struct xdma_channel *xchan)
TAILQ_ENTRY(xdma_channel) xchan_next;
typedef struct xdma_channel xdma_channel_t;
void xdma_callback(struct xdma_channel *xchan, xdma_transfer_status_t *status);
TAILQ_HEAD(xdma_channel_list, xdma_channel) channels;