diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/usb/quirks.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/usb/quirks.c')
-rw-r--r-- | qemu/hw/usb/quirks.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/qemu/hw/usb/quirks.c b/qemu/hw/usb/quirks.c new file mode 100644 index 000000000..a761a9603 --- /dev/null +++ b/qemu/hw/usb/quirks.c @@ -0,0 +1,53 @@ +/* + * USB quirk handling + * + * Copyright (c) 2012 Red Hat, Inc. + * + * Red Hat Authors: + * Hans de Goede <hdegoede@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include "quirks.h" +#include "hw/usb.h" + +static bool usb_id_match(const struct usb_device_id *ids, + uint16_t vendor_id, uint16_t product_id, + uint8_t interface_class, uint8_t interface_subclass, + uint8_t interface_protocol) { + int i; + + for (i = 0; ids[i].vendor_id != -1; i++) { + if (ids[i].vendor_id == vendor_id && + ids[i].product_id == product_id && + (ids[i].interface_class == -1 || + (ids[i].interface_class == interface_class && + ids[i].interface_subclass == interface_subclass && + ids[i].interface_protocol == interface_protocol))) { + return true; + } + } + return false; +} + +int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, + uint8_t interface_class, uint8_t interface_subclass, + uint8_t interface_protocol) +{ + int quirks = 0; + + if (usb_id_match(usbredir_raw_serial_ids, vendor_id, product_id, + interface_class, interface_subclass, interface_protocol)) { + quirks |= USB_QUIRK_BUFFER_BULK_IN; + } + if (usb_id_match(usbredir_ftdi_serial_ids, vendor_id, product_id, + interface_class, interface_subclass, interface_protocol)) { + quirks |= USB_QUIRK_BUFFER_BULK_IN | USB_QUIRK_IS_FTDI; + } + + return quirks; +} |