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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/* libusb-win32, Generic Windows USB Library
* Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libusb_driver.h"
NTSTATUS vendor_class_request(libusb_device_t *dev,
int type, int recipient,
int request, int value, int index,
void *buffer, int size, int direction,
int *ret, int timeout)
{
NTSTATUS status = STATUS_SUCCESS;
URB urb;
*ret = 0;
memset(&urb, 0, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
switch (type)
{
case USB_TYPE_CLASS:
USBMSG0("type: class\n");
switch (recipient)
{
case USB_RECIP_DEVICE:
USBMSG0("recipient: device\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_DEVICE;
break;
case USB_RECIP_INTERFACE:
USBMSG0("recipient: interface\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_INTERFACE;
break;
case USB_RECIP_ENDPOINT:
USBMSG0("recipient: endpoint\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_ENDPOINT;
break;
case USB_RECIP_OTHER:
USBMSG0("recipient: other\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_OTHER;
break;
default:
USBERR0("invalid recipient\n");
return STATUS_INVALID_PARAMETER;
}
break;
case USB_TYPE_VENDOR:
USBMSG0("type: vendor\n");
switch (recipient)
{
case USB_RECIP_DEVICE:
USBMSG0("recipient: device\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE;
break;
case USB_RECIP_INTERFACE:
USBMSG0("recipient: interface\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_INTERFACE;
break;
case USB_RECIP_ENDPOINT:
USBMSG0("recipient: endpoint\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_ENDPOINT;
break;
case USB_RECIP_OTHER:
USBMSG0("recipient: other\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_OTHER;
break;
default:
// [Kevin Timmerman Patch]
USBMSG("recipient: reserved (0x%02x)\n", recipient);
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE;
urb.UrbControlVendorClassRequest.RequestTypeReservedBits = (UCHAR)recipient;
break;
/*
USBERR0("invalid recipient\n");
return STATUS_INVALID_PARAMETER;
*/
}
break;
default:
USBERR0("invalid type\n");
return STATUS_INVALID_PARAMETER;
}
USBMSG("request: 0x%02x\n", request);
USBMSG("value: 0x%04x\n", value);
USBMSG("index: 0x%04x\n", index);
USBMSG("size: %d\n", size);
if (direction == USBD_TRANSFER_DIRECTION_IN)
{
USBMSG0("direction: in\n");
}
else
{
USBMSG0("direction: out\n");
}
USBMSG("timeout: %d\n", timeout);
urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
urb.UrbControlVendorClassRequest.TransferFlags
= direction | USBD_SHORT_TRANSFER_OK ;
urb.UrbControlVendorClassRequest.TransferBufferLength = size;
urb.UrbControlVendorClassRequest.TransferBufferMDL = NULL;
urb.UrbControlVendorClassRequest.TransferBuffer = buffer;
urb.UrbControlVendorClassRequest.Request = (UCHAR)request;
urb.UrbControlVendorClassRequest.Value = (USHORT)value;
urb.UrbControlVendorClassRequest.Index = (USHORT)index;
// no maximum timeout check for vendor request.
status = call_usbd_ex(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout, 0);
if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))
{
USBERR("request failed: status: 0x%x, urb-status: 0x%x\n", status, urb.UrbHeader.Status);
}
else
{
if (direction == USBD_TRANSFER_DIRECTION_IN)
*ret = urb.UrbControlVendorClassRequest.TransferBufferLength;
USBMSG("%d bytes transmitted\n",
urb.UrbControlVendorClassRequest.TransferBufferLength);
}
return status;
}
|
