xhci_dma_buffer_t
sizeof (xhci_dma_buffer_t) * npages);
xsp->xsp_scratch_dma = kmem_zalloc(sizeof (xhci_dma_buffer_t) * npages,
xhci_dma_pa(xhci_dma_buffer_t *xdb)
xhci_dma_free(xhci_dma_buffer_t *xdb)
xhci_dma_alloc(xhci_t *xhcip, xhci_dma_buffer_t *xdb,
xhci_check_dma_handle(xhci_t *xhcip, xhci_dma_buffer_t *xdb)
xhci_dma_buffer_t xt_buffer;
xhci_dma_buffer_t xr_dma;
xhci_dma_buffer_t xdc_dma;
xhci_dma_buffer_t xsp_addr_dma;
xhci_dma_buffer_t *xsp_scratch_dma;
xhci_dma_buffer_t xev_dma;
xhci_dma_buffer_t xd_ictx;
xhci_dma_buffer_t xd_octx;
extern int xhci_check_dma_handle(xhci_t *, xhci_dma_buffer_t *);
extern void xhci_dma_free(xhci_dma_buffer_t *);
extern boolean_t xhci_dma_alloc(xhci_t *, xhci_dma_buffer_t *, ddi_dma_attr_t *,
extern uint64_t xhci_dma_pa(xhci_dma_buffer_t *);