/******************************************************************************
* xenguest.h
*
* A library for guest domain management in Xen.
*
* Copyright (c) 2003-2004, K A Fraser.
*/
#ifndef XENGUEST_H
#define XENGUEST_H
#define XCFLAGS_LIVE 1
#define XCFLAGS_DEBUG 2
#define XCFLAGS_HVM 4
#define XCFLAGS_STDVGA 8
/**
* This function will save a running domain.
*
* @parm xc_handle a handle to an open hypervisor interface
* @parm fd the file descriptor to save a domain to
* @parm dom the id of the domain
* @return 0 on success, -1 on failure
*/
int xc_domain_save(int xc_handle, int io_fd, uint32_t dom, uint32_t max_iters,
uint32_t max_factor, uint32_t flags /* XCFLAGS_xxx */,
int (*suspend)(int domid), int hvm,
void *(*init_qemu_maps)(int, unsigned), /* HVM only */
void (*qemu_flip_buffer)(int, int)); /* HVM only */
/**
* This function will restore a saved domain.
*
* @parm xc_handle a handle to an open hypervisor interface
* @parm fd the file descriptor to restore a domain from
* @parm dom the id of the domain
* @parm store_evtchn the store event channel for this domain to use
* @parm store_mfn returned with the mfn of the store page
* @parm hvm non-zero if this is a HVM restore
* @parm pae non-zero if this HVM domain has PAE support enabled
* @return 0 on success, -1 on failure
*/
int xc_domain_restore(int xc_handle, int io_fd, uint32_t dom,
unsigned int store_evtchn, unsigned long *store_mfn,
unsigned int console_evtchn, unsigned long *console_mfn,
unsigned int hvm, unsigned int pae);
/**
* This function will create a domain for a paravirtualized Linux
* using file names pointing to kernel and ramdisk
*
* @parm xc_handle a handle to an open hypervisor interface
* @parm domid the id of the domain
* @parm mem_mb memory size in megabytes
* @parm image_name name of the kernel image file
* @parm ramdisk_name name of the ramdisk image file
* @parm cmdline command line string
* @parm flags domain creation flags
* @parm store_evtchn the store event channel for this domain to use
* @parm store_mfn returned with the mfn of the store page
* @parm console_evtchn the console event channel for this domain to use
* @parm conole_mfn returned with the mfn of the console page
* @return 0 on success, -1 on failure
*/
int xc_linux_build(int xc_handle,
uint32_t domid,
unsigned int mem_mb,
const char *image_name,
const char *ramdisk_name,
const char *cmdline,
const char *features,
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
unsigned long *console_mfn);
/** The same interface, but the dom structure is managed by the caller */
struct xc_dom_image;
int xc_dom_linux_build(int xc_handle,
struct xc_dom_image *dom,
uint32_t domid,
unsigned int mem_mb,
const char *image_name,
const char *ramdisk_name,
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
unsigned long *console_mfn);
/**
* This function will create a domain for a paravirtualized Linux
* using buffers for kernel and initrd
*
* @parm xc_handle a handle to an open hypervisor interface
* @parm domid the id of the domain
* @parm mem_mb memory size in megabytes
* @parm image_buffer buffer containing kernel image
* @parm image_size size of the kernel image buffer
* @parm initrd_buffer name of the ramdisk image file
* @parm initrd_size size of the ramdisk buffer
* @parm cmdline command line string
* @parm flags domain creation flags
* @parm store_evtchn the store event channel for this domain to use
* @parm store_mfn returned with the mfn of the store page
* @parm console_evtchn the console event channel for this domain to use
* @parm conole_mfn returned with the mfn of the console page
* @return 0 on success, -1 on failure
*/
int xc_linux_build_mem(int xc_handle,
uint32_t domid,
unsigned int mem_mb,
const char *image_buffer,
unsigned long image_size,
const char *initrd_buffer,
unsigned long initrd_size,
const char *cmdline,
const char *features,
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
unsigned long *console_mfn);
int xc_hvm_build(int xc_handle,
uint32_t domid,
int memsize,
const char *image_name);
int xc_hvm_build_mem(int xc_handle,
uint32_t domid,
int memsize,
const char *image_buffer,
unsigned long image_size);
#endif /* XENGUEST_H */
href='#n51'>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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Main source file for the HIDReportViewer project. This file contains the main tasks of
* the project and is responsible for the initial application hardware configuration.
*/
#include "HIDReportViewer.h"
/** Processed HID report descriptor items structure, containing information on each HID report element */
static HID_ReportInfo_t HIDReportInfo;
/** LUFA HID Class driver interface configuration and state information. This structure is
* passed to all HID Class driver functions, so that multiple instances of the same class
* within a device can be differentiated from one another.
*/
USB_ClassInfo_HID_Host_t Device_HID_Interface =
{
.Config =
{
.DataINPipe =
{
.Address = (PIPE_DIR_IN | 1),
.Banks = 1,
},
.DataOUTPipe =
{
.Address = (PIPE_DIR_OUT | 2),
.Banks = 1,
},
.HIDInterfaceProtocol = HID_CSCP_NonBootProtocol,
.HIDParserData = &HIDReportInfo
},
};
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
int main(void)
{
SetupHardware();
puts_P(PSTR(ESC_FG_CYAN "HID Device Report Viewer Running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
for (;;)
{
RetrieveDeviceData();
HID_Host_USBTask(&Device_HID_Interface);
USB_USBTask();
}
}
/** Task to retrieve the HID device information from an attached device, and output
* the relevant data to the serial port for analysis.
*/
void RetrieveDeviceData(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
OutputReportSizes();
OutputParsedReportItems();
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_Host_SetDeviceConfiguration(0);
}
/** Prints a summary of the device's HID report sizes from the HID parser output to the serial port
* for display to the user.
*/
void OutputReportSizes(void)
{
printf_P(PSTR("\r\n\r\nTotal Device Reports: %" PRId8 "\r\n"), HIDReportInfo.TotalDeviceReports);
for (uint8_t ReportIndex = 0; ReportIndex < HIDReportInfo.TotalDeviceReports; ReportIndex++)
{
const HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[ReportIndex];
uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_In];
uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Out];
uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Feature];
/* Print out the byte sizes of each report within the device */
printf_P(PSTR(" + Report ID 0x%02" PRIX8 "\r\n"
" - Input Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Output Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Feature Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"),
CurrReportIDInfo->ReportID,
ReportSizeInBits,
((ReportSizeInBits >> 3) + ((ReportSizeInBits & 0x07) != 0)),
ReportSizeOutBits,
((ReportSizeOutBits >> 3) + ((ReportSizeOutBits & 0x07) != 0)),
ReportSizeFeatureBits,
((ReportSizeFeatureBits >> 3) + ((ReportSizeFeatureBits & 0x07) != 0)));
}
}
/** Prints a summary of the device's parsed and stored report items along with their attributes
* to the serial port for display to the user.
*/
void OutputParsedReportItems(void)
{
printf_P(PSTR("\r\nReport Items (%" PRId8 " in Table):\r\n"), HIDReportInfo.TotalReportItems);
for (uint8_t ItemIndex = 0; ItemIndex < HIDReportInfo.TotalReportItems; ItemIndex++)
{
const HID_ReportItem_t* RItem = &HIDReportInfo.ReportItems[ItemIndex];
printf_P(PSTR(" + Item %" PRId8 ":\r\n"
" - Report ID: 0x%02" PRIX8 "\r\n"
" - Data Direction: %s\r\n"
" - Item Flags: 0x%02" PRIX8 "\r\n"
" - Item Offset (Bits): 0x%02" PRIX8 "\r\n"
" - Item Size (Bits): 0x%02" PRIX8 "\r\n"
" - Usage Page: 0x%04" PRIX16 "\r\n"
" - Usage: 0x%04" PRIX16 "\r\n"
" - Unit Type: 0x%08" PRIX32 "\r\n"
" - Unit Exponent: 0x%02" PRIX8 "\r\n"
" - Logical Minimum: 0x%08" PRIX32 "\r\n"
" - Logical Maximum: 0x%08" PRIX32 "\r\n"
" - Physical Minimum: 0x%08" PRIX32 "\r\n"
" - Physical Maximum: 0x%08" PRIX32 "\r\n"
" - Collection Path:\r\n"),
ItemIndex,
RItem->ReportID,
((RItem->ItemType == HID_REPORT_ITEM_In) ? "IN" : ((RItem->ItemType == HID_REPORT_ITEM_Out) ? "OUT" : "FEATURE")),
RItem->ItemFlags,
RItem->BitOffset,
RItem->Attributes.BitSize,
RItem->Attributes.Usage.Page,
RItem->Attributes.Usage.Usage,
RItem->Attributes.Unit.Type,
RItem->Attributes.Unit.Exponent,
RItem->Attributes.Logical.Minimum,
RItem->Attributes.Logical.Maximum,
RItem->Attributes.Physical.Minimum,
RItem->Attributes.Physical.Maximum);
OutputCollectionPath(RItem->CollectionPath);
}
}
/** Prints the HID Collection path (along with each node's attributes) to the serial port
* for display to the user, from the given starting node to the root node.
*
* \param[in] CollectionPath Starting HID Collection node to print
*/
void OutputCollectionPath(const HID_CollectionPath_t* const CollectionPath)
{
const HID_CollectionPath_t* CurrentNode = CollectionPath;
while (CurrentNode != NULL)
{
printf_P(PSTR(" |\r\n"
" - Type: 0x%02" PRIX8 "\r\n"
" - Usage: 0x%02" PRIX8 "\r\n"),
CurrentNode->Type, CurrentNode->Usage);
CurrentNode = CurrentNode->Parent;
}
printf_P(PSTR(" |\r\n"
" END\r\n"));
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
#endif
/* Hardware Initialization */
Serial_Init(9600, false);
LEDs_Init();
USB_Init();
/* Create a stdio stream for the serial port for stdin and stdout */
Serial_CreateStream(NULL);
}
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
* starts the library USB task to begin the enumeration and USB management process.
*/
void EVENT_USB_Host_DeviceAttached(void)
{
puts_P(PSTR("Device Attached.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
* stops the library USB task management process.
*/
void EVENT_USB_Host_DeviceUnattached(void)
{
puts_P(PSTR("\r\nDevice Unattached.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
* enumerated by the host and is now ready to be used by the application.
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
if (HID_Host_ConfigurePipes(&Device_HID_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
{
puts_P(PSTR("Attached Device Not a Valid HID Device.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
puts_P(PSTR("Error Setting Device Configuration.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
if (HID_Host_SetReportProtocol(&Device_HID_Interface) != 0)
{
puts_P(PSTR("Error Setting Report Protocol Mode.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
puts_P(PSTR("HID Device Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
{
USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
for(;;);
}
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
* enumerating an attached USB device.
*/
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
const uint8_t SubErrorCode)
{
printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
" -- Error Code %d\r\n"
" -- Sub Error Code %d\r\n"
" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Callback for the HID Report Parser. This function is called each time the HID report parser is about to store
* an IN, OUT or FEATURE item into the HIDReportInfo structure. To save on RAM, we are able to filter out items
* we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
* have occupied).
*
* \param[in] CurrentItem Pointer to the item the HID report parser is currently working with
*
* \return Boolean \c true if the item should be stored into the HID report structure, \c false if it should be discarded
*/
bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* const CurrentItem)
{
return true;
}
|