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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/usb/quirks.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c53
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;
+}