1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/*
* 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 "qemu/osdep.h"
#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].terminating_entry == 0; i++) {
if (ids[i].vendor_id == vendor_id &&
ids[i].product_id == product_id &&
(ids[i].interface_protocol_used == 0 ||
(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;
}
|
