| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // choose ring sizes to allow each ring to fit in a single page |
| #define COMMAND_RING_SIZE (PAGE_SIZE / sizeof(xhci_trb_t)) |
| #define TRANSFER_RING_SIZE ((PAGE_SIZE * 16) / sizeof(xhci_trb_t)) |
| #define EVENT_RING_SIZE ((PAGE_SIZE * 16) / sizeof(xhci_trb_t)) |
| #define ERST_ARRAY_SIZE (static_cast<uint32_t>((EVENT_RING_SIZE * sizeof(xhci_trb_t)) / PAGE_SIZE)) |
