79 static void xhci_ring_free(struct xhci_ring *ring)  in xhci_ring_free()  argument
84 	BUG_ON(!ring);  in xhci_ring_free()
86 	first_seg = ring->first_seg;  in xhci_ring_free()
95 	free(ring);  in xhci_ring_free()
153 			if (virt_dev->eps[i].ring)  in xhci_free_virt_devices()
154 				xhci_ring_free(virt_dev->eps[i].ring);  in xhci_free_virt_devices()
246 static void xhci_initialize_ring_info(struct xhci_ring *ring)  in xhci_initialize_ring_info()  argument
251 	ring->enqueue = ring->first_seg->trbs;  in xhci_initialize_ring_info()
252 	ring->enq_seg = ring->first_seg;  in xhci_initialize_ring_info()
253 	ring->dequeue = ring->enqueue;  in xhci_initialize_ring_info()
254 	ring->deq_seg = ring->first_seg;  in xhci_initialize_ring_info()
262 	ring->cycle_state = 1;  in xhci_initialize_ring_info()
305 	struct xhci_ring *ring;  in xhci_ring_alloc()  local
308 	ring = (struct xhci_ring *)malloc(sizeof(struct xhci_ring));  in xhci_ring_alloc()
309 	BUG_ON(!ring);  in xhci_ring_alloc()
312 		return ring;  in xhci_ring_alloc()
314 	ring->first_seg = xhci_segment_alloc();  in xhci_ring_alloc()
315 	BUG_ON(!ring->first_seg);  in xhci_ring_alloc()
319 	prev = ring->first_seg;  in xhci_ring_alloc()
331 	xhci_link_segments(prev, ring->first_seg, link_trbs);  in xhci_ring_alloc()
337 	xhci_initialize_ring_info(ring);  in xhci_ring_alloc()
339 	return ring;  in xhci_ring_alloc()
482 	virt_dev->eps[0].ring = xhci_ring_alloc(1, true);  in xhci_alloc_virt_device()
853 	trb_64 = (uintptr_t)virt_dev->eps[0].ring->first_seg->trbs;  in xhci_setup_addressable_virt_dev()
854 	ep0_ctx->deq = cpu_to_le64(trb_64 | virt_dev->eps[0].ring->cycle_state);  in xhci_setup_addressable_virt_dev()