/*
* Windows backend for libusb 1.0
* Copyright (C) 2009-2010 Pete Batard <pbatard@gmail.com>
* With contributions from Michael Plante, Orin Eman et al.
* Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
* Major code testing contribution by Xiaofan Chen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#if defined(_MSC_VER)
// disable /W4 MSVC warnings that are benign
#pragma warning(disable:4127) // conditional expression is constant
#pragma warning(disable:4100) // unreferenced formal parameter
#pragma warning(disable:4214) // bit field types other than int
#pragma warning(disable:4201) // nameless struct/union
#endif
// Windows API default is uppercase - ugh!
#if !defined(bool)
#define bool BOOL
#endif
#if !defined(true)
#define true TRUE
#endif
#if !defined(false)
#define false FALSE
#endif
// Missing from MSVC6 setupapi.h
#if !defined(SPDRP_ADDRESS)
#define SPDRP_ADDRESS 28
#endif
#if !defined(SPDRP_INSTALL_STATE)
#define SPDRP_INSTALL_STATE 34
#endif
#if defined(__CYGWIN__ )
// cygwin produces a warning unless these prototypes are defined
extern int _snprintf(char *buffer, size_t count, const char *format, ...);
extern char *_strdup(const char *strSource);
// _beginthreadex is MSVCRT => unavailable for cygwin. Fallback to using CreateThread
#define _beginthreadex(a, b, c, d, e, f) CreateThread(a, b, (LPTHREAD_START_ROUTINE)c, d, e, f)
#endif
#define safe_free(p) do {if (p != NULL) {free((void*)p); p = NULL;}} while(0)
#define safe_closehandle(h) do {if (h != INVALID_HANDLE_VALUE) {CloseHandle(h); h = INVALID_HANDLE_VALUE;}} while(0)
#define safe_min(a, b) min((size_t)(a), (size_t)(b))
#define safe_strcp(dst, dst_max, src, count) do {memcpy(dst, src, safe_min(count, dst_max)); \
((char*)dst)[safe_min(count, dst_max)-1] = 0;} while(0)
#define safe_strcpy(dst, dst_max, src) safe_strcp(dst, dst_max, src, safe_strlen(src)+1)
#define safe_strncat(dst, dst_max, src, count) strncat(dst, src, safe_min(count, dst_max - safe_strlen(dst) - 1))
#define safe_strcat(dst, dst_max, src) safe_strncat(dst, dst_max, src, safe_strlen(src)+1)
#define safe_strcmp(str1, str2) strcmp(((str1==NULL)?"<NULL>":str1), ((str2==NULL)?"<NULL>":str2))
#define safe_strncmp(str1, str2, count) strncmp(((str1==NULL)?"<NULL>":str1), ((str2==NULL)?"<NULL>":str2), count)
#define safe_strlen(str) ((str==NULL)?0:strlen(str))
#define safe_sprintf _snprintf
#define safe_unref_device(dev) do {if (dev != NULL) {libusb_unref_device(dev); dev = NULL;}} while(0)
#define wchar_to_utf8_ms(wstr, str, strlen) WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, strlen, NULL, NULL)
static inline void upperize(char* str) {
size_t i;
if (str == NULL) return;
for (i=0; i<safe_strlen(str); i++)
str[i] = (char)toupper((int)str[i]);
}
#define MAX_CTRL_BUFFER_LENGTH 4096
#define MAX_USB_DEVICES 256
#define MAX_USB_STRING_LENGTH 128
#define MAX_GUID_STRING_LENGTH 40
#define MAX_PATH_LENGTH 128
#define MAX_KEY_LENGTH 256
#define MAX_TIMER_SEMAPHORES 128
#define TIMER_REQUEST_RETRY_MS 100
#define ERR_BUFFER_SIZE 256
#define LIST_SEPARATOR ';'
#define HTAB_SIZE 1021
// http://msdn.microsoft.com/en-us/library/ff545978.aspx
// http://msdn.microsoft.com/en-us/library/ff545972.aspx
// http://msdn.microsoft.com/en-us/library/ff545982.aspx
#if !defined(GUID_DEVINTERFACE_USB_HOST_CONTROLLER)
const GUID GUID_DEVINTERFACE_USB_HOST_CONTROLLER = { 0x3ABF6F2D, 0x71C4, 0x462A, {0x8A, 0x92, 0x1E, 0x68, 0x61, 0xE6, 0xAF, 0x27} };
#endif
#if !defined(GUID_DEVINTERFACE_USB_DEVICE)
const GUID GUID_DEVINTERFACE_USB_DEVICE = { 0xA5DCBF10, 0x6530, 0x11D2, {0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED} };
#endif
#if !defined(GUID_DEVINTERFACE_USB_HUB)
const GUID GUID_DEVINTERFACE_USB_HUB = { 0xF18A0E88, 0xC30C, 0x11D0, {0x88, 0x15, 0x00, 0xA0, 0xC9, 0x06, 0xBE, 0xD8} };
#endif
const GUID GUID_NULL = { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} };
/*
* Multiple USB API backend support
*/
#define USB_API_UNSUPPORTED 0
#define USB_API_HUB 1
#define USB_API_COMPOSITE 2
#define USB_API_WINUSB 3
#define USB_API_MAX 4
#define CLASS_GUID_UNSUPPORTED GUID_NULL
const GUID CLASS_GUID_LIBUSB_WINUSB = { 0x78A1C341, 0x4539, 0x11D3, {0xB8, 0x8D, 0x00, 0xC0, 0x4F, 0xAD, 0x51, 0x71} };
const GUID CLASS_GUID_COMPOSITE = { 0x36FC9E60, 0xC465, 0x11cF, {0x80, 0x56, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00} };
struct windows_usb_api_backend {
const uint8_t id;
const char* designation;
const GUID *class_guid; // The Class GUID (for fallback in case the driver name cannot be read)
const char **driver_name_list; // Driver name, without .sys, e.g. "usbccgp"
const uint8_t nb_driver_names;
int (*init)(struct libusb_context *ctx);
int (*exit)(void);
int (*open)(struct libusb_device_handle *dev_handle);
void (*close)(struct libusb_device_handle *dev_handle);
int (*claim_interface)(struct libusb_device_handle *dev_handle, int iface);
int (*set_interface_altsetting)(struct libusb_device_handle *dev_handle, int iface, int altsetting);
int (*release_interface)(struct libusb_device_handle *dev_handle, int iface);
int (*clear_halt)(struct libusb_device_handle *dev_handle, unsigned char endpoint);
int (*reset_device)(struct libusb_device_handle *dev_handle);
int (*submit_bulk_transfer)(struct usbi_transfer *itransfer);
int (*submit_iso_transfer)(struct usbi_transfer *itransfer);
int (*submit_control_transfer)(struct usbi_transfer *itransfer);
int (*abort_control)(struct usbi_transfer *itransfer);
int (*abort_transfers)(struct usbi_transfer *itransfer);
int (*copy_transfer_data)(struct usbi_transfer *itransfer, uint32_t io_size);
};
extern const struct windows_usb_api_backend usb_api_backend[USB_API_MAX];
#define PRINT_UNSUPPORTED_API(fname) \
usbi_dbg("unsupported API call for '" \
#fname "' (unrecognized device driver)"); \
return LIBUSB_ERROR_NOT_SUPPORTED;
/*
* private structures definition
* with inline pseudo constructors/destructors
*/
typedef struct libusb_device_descriptor USB_DEVICE_DESCRIPTOR, *PUSB_DEVICE_DESCRIPTOR;
struct windows_device_priv {
uint8_t depth; // distance to HCD
uint8_t port; // port number on the hub
struct libusb_device *parent_dev; // access to parent is required for usermode ops
char *path; // device interface path
struct windows_usb_api_backend const *apib;
struct {
char *path; // each interface needs a device interface path,
struct windows_usb_api_backend const *apib; // an API backend (multiple drivers support),
int8_t nb_endpoints; // and a set of endpoint addresses (USB_MAXENDPOINTS)
uint8_t *endpoint;
} usb_interface[USB_MAXINTERFACES];
uint8_t composite_api_flags; // composite devices require additional data
uint8_t active_config;
USB_DEVICE_DESCRIPTOR dev_descriptor;
unsigned char **config_descriptor; // list of pointers to the cached config descriptors
};
static inline struct windows_device_priv *_device_priv(struct libusb_device *dev) {
return (struct windows_device_priv *)dev->os_priv;
}
static inline void windows_device_priv_init(libusb_device* dev) {
struct windows_device_priv* p = _device_priv(dev);
int i;
p->depth = 0;
p->port = 0;
p->parent_dev = NULL;
p->path = NULL;
p->apib = &usb_api_backend[USB_API_UNSUPPORTED];
p->composite_api_flags = 0;
p->active_config = 0;
p->config_descriptor = NULL;
memset(&(p->dev_descriptor), 0, sizeof(USB_DEVICE_DESCRIPTOR));
for (i=0; i<USB_MAXINTERFACES; i++) {
p->usb_interface[i].path = NULL;
p->usb_interface[i].apib = &usb_api_backend[USB_API_UNSUPPORTED];
p->usb_interface[i].nb_endpoints = 0;
p->usb_interface[i].endpoint = NULL;
}
}
static inline void windows_device_priv_release(libusb_device* dev) {
struct windows_device_priv* p = _device_priv(dev);
int i;
safe_free(p->path);
if ((dev->num_configurations > 0) && (p->config_descriptor != NULL)) {
for (i=0; i < dev->num_configurations; i++)
safe_free(p->config_descriptor[i]);
}
safe_free(p->config_descriptor);
for (i=0; i<USB_MAXINTERFACES; i++) {
safe_free(p->usb_interface[i].path);
safe_free(p->usb_interface[i].endpoint);
}
}
struct interface_handle_t {
HANDLE dev_handle; // WinUSB needs an extra handle for the file
HANDLE api_handle; // used by the API to communicate with the device
};
struct windows_device_handle_priv {
int active_interface;
struct interface_handle_t interface_handle[USB_MAXINTERFACES];
int autoclaim_count[USB_MAXINTERFACES]; // For auto-release
};
static inline struct windows_device_handle_priv *_device_handle_priv(
struct libusb_device_handle *handle)
{
return (struct windows_device_handle_priv *) handle->os_priv;
}
// used for async polling functions
struct windows_transfer_priv {
struct winfd pollable_fd;
uint8_t interface_number;
};
// used to match a device driver (including filter drivers) against a supported API
struct driver_lookup {
char list[MAX_KEY_LENGTH+1];// REG_MULTI_SZ list of services (driver) names
const DWORD reg_prop; // SPDRP registry key to use to retreive list
const char* designation; // internal designation (for debug output)
};
/*
* API macros - from libusb-win32 1.x
*/
#define DLL_DECLARE_PREFIXNAME(api, ret, prefixname, name, args) \
typedef ret (api * __dll_##name##_t)args; \
static __dll_##name##_t prefixname = NULL
#define DLL_LOAD_PREFIXNAME(dll, prefixname, name, ret_on_failure) \
do { \
HMODULE h = GetModuleHandleA(#dll); \
if (!h) \
h = LoadLibraryA(#dll); \
if (!h) { \
if (ret_on_failure) { return LIBUSB_ERROR_NOT_FOUND; }\
else { break; } \
} \
prefixname = (__dll_##name##_t)GetProcAddress(h, #name); \
if (prefixname) break; \
prefixname = (__dll_##name##_t)GetProcAddress(h, #name "A"); \
if (prefixname) break; \
prefixname = (__dll_##name##_t)GetProcAddress(h, #name "W"); \
if (prefixname) break; \
if(ret_on_failure) \
return LIBUSB_ERROR_NOT_FOUND; \
} while(0)
#define DLL_DECLARE(api, ret, name, args) DLL_DECLARE_PREFIXNAME(api, ret, name, name, args)
#define DLL_LOAD(dll, name, ret_on_failure) DLL_LOAD_PREFIXNAME(dll, name, name, ret_on_failure)
#define DLL_DECLARE_PREFIXED(api, ret, prefix, name, args) DLL_DECLARE_PREFIXNAME(api, ret, prefix##name, name, args)
#define DLL_LOAD_PREFIXED(dll, prefix, name, ret_on_failure) DLL_LOAD_PREFIXNAME(dll, prefix##name, name, ret_on_failure)
/* OLE32 dependency */
DLL_DECLARE_PREFIXED(WINAPI, HRESULT, p, CLSIDFromString, (LPCOLESTR, LPCLSID));
/* SetupAPI dependencies */
DLL_DECLARE_PREFIXED(WINAPI, HDEVINFO, p, SetupDiGetClassDevsA, (const GUID*, PCSTR, HWND, DWORD));
DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInfo, (HDEVINFO, DWORD, PSP_DEVINFO_DATA));
DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInterfaces, (HDEVINFO, PSP_DEVINFO_DATA,
const GUID*, DWORD, PSP_DEVICE_INTERFACE_DATA));
DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceInterfaceDetailA, (HDEVINFO, PSP_DEVICE_INTERFACE_DATA,
PSP_DEVICE_INTERFACE_DETAIL_DATA_A, DWORD, PDWORD, PSP_DEVINFO_DATA));
DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiDestroyDeviceInfoList, (HDEVINFO));
DLL_DECLARE_PREFIXED(WINAPI, HKEY, p, SetupDiOpenDevRegKey, (HDEVINFO, PSP_DEVINFO_DATA, DWORD, DWORD, DWORD, REGSAM));
DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceRegistryPropertyA, (HDEVINFO,
PSP_DEVINFO_DATA, DWORD, PDWORD, PBYTE, DWORD, PDWORD));
DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegQueryValueExW, (HKEY, LPCWSTR, LPDWORD, LPDWORD, LPBYTE, LPDWORD));
DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegCloseKey, (HKEY));
/*
* Windows DDK API definitions. Most of it copied from MinGW's includes
*/
typedef DWORD DEVNODE, DEVINST;
typedef DEVNODE *PDEVNODE, *PDEVINST;
typedef DWORD RETURN_TYPE;
typedef RETURN_TYPE CONFIGRET;
#define CR_SUCCESS 0x00000000
#define CR_NO_SUCH_DEVNODE 0x0000000D
#define USB_DEVICE_DESCRIPTOR_TYPE LIBUSB_DT_DEVICE
#define USB_CONFIGURATION_DESCRIPTOR_TYPE LIBUSB_DT_CONFIG
#define USB_STRING_DESCRIPTOR_TYPE LIBUSB_DT_STRING
#define USB_INTERFACE_DESCRIPTOR_TYPE LIBUSB_DT_INTERFACE
#define USB_ENDPOINT_DESCRIPTOR_TYPE LIBUSB_DT_ENDPOINT
#define USB_REQUEST_GET_STATUS LIBUSB_REQUEST_GET_STATUS
#define USB_REQUEST_CLEAR_FEATURE LIBUSB_REQUEST_CLEAR_FEATURE
#define USB_REQUEST_SET_FEATURE LIBUSB_REQUEST_SET_FEATURE
#define USB_REQUEST_SET_ADDRESS LIBUSB_REQUEST_SET_ADDRESS
#define USB_REQUEST_GET_DESCRIPTOR LIBUSB_REQUEST_GET_DESCRIPTOR
#define USB_REQUEST_SET_DESCRIPTOR LIBUSB_REQUEST_SET_DESCRIPTOR
#define USB_REQUEST_GET_CONFIGURATION LIBUSB_REQUEST_GET_CONFIGURATION
#define USB_REQUEST_SET_CONFIGURATION LIBUSB_REQUEST_SET_CONFIGURATION
#define USB_REQUEST_GET_INTERFACE LIBUSB_REQUEST_GET_INTERFACE
#define USB_REQUEST_SET_INTERFACE LIBUSB_REQUEST_SET_INTERFACE
#define USB_REQUEST_SYNC_FRAME LIBUSB_REQUEST_SYNCH_FRAME
#define USB_GET_NODE_INFORMATION 258
#define USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION 260
#define USB_GET_NODE_CONNECTION_NAME 261
#define USB_GET_HUB_CAPABILITIES 271
#if !defined(USB_GET_NODE_CONNECTION_INFORMATION_EX)
#define USB_GET_NODE_CONNECTION_INFORMATION_EX 274
#endif
#if !defined(USB_GET_HUB_CAPABILITIES_EX)
#define USB_GET_HUB_CAPABILITIES_EX 276
#endif
#ifndef METHOD_BUFFERED
#define METHOD_BUFFERED 0
#endif
#ifndef FILE_ANY_ACCESS
#define FILE_ANY_ACCESS 0x00000000
#endif
#ifndef FILE_DEVICE_UNKNOWN
#define FILE_DEVICE_UNKNOWN 0x00000022
#endif
#ifndef FILE_DEVICE_USB
#define FILE_DEVICE_USB FILE_DEVICE_UNKNOWN
#endif
#ifndef CTL_CODE
#define CTL_CODE(DeviceType, Function, Method, Access)( \
((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
#endif
typedef enum USB_CONNECTION_STATUS {
NoDeviceConnected,
DeviceConnected,
DeviceFailedEnumeration,
DeviceGeneralFailure,
DeviceCausedOvercurrent,
DeviceNotEnoughPower,
DeviceNotEnoughBandwidth,
DeviceHubNestedTooDeeply,
DeviceInLegacyHub
} USB_CONNECTION_STATUS, *PUSB_CONNECTION_STATUS;
typedef enum USB_HUB_NODE {
UsbHub,
UsbMIParent
} USB_HUB_NODE;
/* Cfgmgr32.dll interface */
DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Parent, (PDEVINST, DEVINST, ULONG));
DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Child, (PDEVINST, DEVINST, ULONG));
DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Sibling, (PDEVINST, DEVINST, ULONG));
DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Device_IDA, (DEVINST, PCHAR, ULONG, ULONG));
#define IOCTL_USB_GET_HUB_CAPABILITIES_EX \
CTL_CODE( FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_HUB_CAPABILITIES \
CTL_CODE(FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION \
CTL_CODE(FILE_DEVICE_USB, USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_ROOT_HUB_NAME \
CTL_CODE(FILE_DEVICE_USB, HCD_GET_ROOT_HUB_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_NODE_INFORMATION \
CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_INFORMATION, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX \
CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_INFORMATION_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_NODE_CONNECTION_ATTRIBUTES \
CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_ATTRIBUTES, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_USB_GET_NODE_CONNECTION_NAME \
CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
// Most of the structures below need to be packed
#pragma pack(push, 1)
typedef struct USB_INTERFACE_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bInterfaceNumber;
UCHAR bAlternateSetting;
UCHAR bNumEndpoints;
UCHAR bInterfaceClass;
UCHAR bInterfaceSubClass;
UCHAR bInterfaceProtocol;
UCHAR iInterface;
} USB_INTERFACE_DESCRIPTOR, *PUSB_INTERFACE_DESCRIPTOR;
typedef struct USB_CONFIGURATION_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
USHORT wTotalLength;
UCHAR bNumInterfaces;
UCHAR bConfigurationValue;
UCHAR iConfiguration;
UCHAR bmAttributes;
UCHAR MaxPower;
} USB_CONFIGURATION_DESCRIPTOR, *PUSB_CONFIGURATION_DESCRIPTOR;
typedef struct USB_CONFIGURATION_DESCRIPTOR_SHORT {
struct {
ULONG ConnectionIndex;
struct {
UCHAR bmRequest;
UCHAR bRequest;
USHORT wValue;
USHORT wIndex;
USHORT wLength;
} SetupPacket;
} req;
USB_CONFIGURATION_DESCRIPTOR data;
} USB_CONFIGURATION_DESCRIPTOR_SHORT;
typedef struct USB_ENDPOINT_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bEndpointAddress;
UCHAR bmAttributes;
USHORT wMaxPacketSize;
UCHAR bInterval;
} USB_ENDPOINT_DESCRIPTOR, *PUSB_ENDPOINT_DESCRIPTOR;
typedef struct USB_DESCRIPTOR_REQUEST {
ULONG ConnectionIndex;
struct {
UCHAR bmRequest;
UCHAR bRequest;
USHORT wValue;
USHORT wIndex;
USHORT wLength;
} SetupPacket;
// UCHAR Data[0];
} USB_DESCRIPTOR_REQUEST, *PUSB_DESCRIPTOR_REQUEST;
typedef struct USB_HUB_DESCRIPTOR {
UCHAR bDescriptorLength;
UCHAR bDescriptorType;
UCHAR bNumberOfPorts;
USHORT wHubCharacteristics;
UCHAR bPowerOnToPowerGood;
UCHAR bHubControlCurrent;
UCHAR bRemoveAndPowerMask[64];
} USB_HUB_DESCRIPTOR, *PUSB_HUB_DESCRIPTOR;
typedef struct USB_ROOT_HUB_NAME {
ULONG ActualLength;
WCHAR RootHubName[1];
} USB_ROOT_HUB_NAME, *PUSB_ROOT_HUB_NAME;
typedef struct USB_ROOT_HUB_NAME_FIXED {
ULONG ActualLength;
WCHAR RootHubName[MAX_PATH_LENGTH];
} USB_ROOT_HUB_NAME_FIXED;
typedef struct USB_NODE_CONNECTION_NAME {
ULONG ConnectionIndex;
ULONG ActualLength;
WCHAR NodeName[1];
} USB_NODE_CONNECTION_NAME, *PUSB_NODE_CONNECTION_NAME;
typedef struct USB_NODE_CONNECTION_NAME_FIXED {
ULONG ConnectionIndex;
ULONG ActualLength;
WCHAR NodeName[MAX_PATH_LENGTH];
} USB_NODE_CONNECTION_NAME_FIXED;
typedef struct USB_HUB_NAME_FIXED {
union {
USB_ROOT_HUB_NAME_FIXED root;
USB_NODE_CONNECTION_NAME_FIXED node;
} u;
} USB_HUB_NAME_FIXED;
typedef struct USB_HUB_INFORMATION {
USB_HUB_DESCRIPTOR HubDescriptor;
BOOLEAN HubIsBusPowered;
} USB_HUB_INFORMATION, *PUSB_HUB_INFORMATION;
typedef struct USB_MI_PARENT_INFORMATION {
ULONG NumberOfInterfaces;
} USB_MI_PARENT_INFORMATION, *PUSB_MI_PARENT_INFORMATION;
typedef struct USB_NODE_INFORMATION {
USB_HUB_NODE NodeType;
union {
USB_HUB_INFORMATION HubInformation;
USB_MI_PARENT_INFORMATION MiParentInformation;
} u;
} USB_NODE_INFORMATION, *PUSB_NODE_INFORMATION;
typedef struct USB_PIPE_INFO {
USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
ULONG ScheduleOffset;
} USB_PIPE_INFO, *PUSB_PIPE_INFO;
typedef struct USB_NODE_CONNECTION_INFORMATION_EX {
ULONG ConnectionIndex;
USB_DEVICE_DESCRIPTOR DeviceDescriptor;
UCHAR CurrentConfigurationValue;
UCHAR Speed;
BOOLEAN DeviceIsHub;
USHORT DeviceAddress;
ULONG NumberOfOpenPipes;
USB_CONNECTION_STATUS ConnectionStatus;
// USB_PIPE_INFO PipeList[0];
} USB_NODE_CONNECTION_INFORMATION_EX, *PUSB_NODE_CONNECTION_INFORMATION_EX;
typedef struct USB_HUB_CAP_FLAGS {
ULONG HubIsHighSpeedCapable:1;
ULONG HubIsHighSpeed:1;
ULONG HubIsMultiTtCapable:1;
ULONG HubIsMultiTt:1;
ULONG HubIsRoot:1;
ULONG HubIsArmedWakeOnConnect:1;
ULONG ReservedMBZ:26;
} USB_HUB_CAP_FLAGS, *PUSB_HUB_CAP_FLAGS;
typedef struct USB_HUB_CAPABILITIES {
ULONG HubIs2xCapable : 1;
} USB_HUB_CAPABILITIES, *PUSB_HUB_CAPABILITIES;
typedef struct USB_HUB_CAPABILITIES_EX {
USB_HUB_CAP_FLAGS CapabilityFlags;
} USB_HUB_CAPABILITIES_EX, *PUSB_HUB_CAPABILITIES_EX;
#pragma pack(pop)
/* winusb.dll interface */
#define SHORT_PACKET_TERMINATE 0x01
#define AUTO_CLEAR_STALL 0x02
#define PIPE_TRANSFER_TIMEOUT 0x03
#define IGNORE_SHORT_PACKETS 0x04
#define ALLOW_PARTIAL_READS 0x05
#define AUTO_FLUSH 0x06
#define RAW_IO 0x07
#define MAXIMUM_TRANSFER_SIZE 0x08
#define AUTO_SUSPEND 0x81
#define SUSPEND_DELAY 0x83
#define DEVICE_SPEED 0x01
#define LowSpeed 0x01
#define FullSpeed 0x02
#define HighSpeed 0x03
typedef enum USBD_PIPE_TYPE {
UsbdPipeTypeControl,
UsbdPipeTypeIsochronous,
UsbdPipeTypeBulk,
UsbdPipeTypeInterrupt
} USBD_PIPE_TYPE;
typedef struct {
USBD_PIPE_TYPE PipeType;
UCHAR PipeId;
USHORT MaximumPacketSize;
UCHAR Interval;
} WINUSB_PIPE_INFORMATION, *PWINUSB_PIPE_INFORMATION;
#pragma pack(1)
typedef struct {
UCHAR request_type;
UCHAR request;
USHORT value;
USHORT index;
USHORT length;
} WINUSB_SETUP_PACKET, *PWINUSB_SETUP_PACKET;
#pragma pack()
typedef void *WINUSB_INTERFACE_HANDLE, *PWINUSB_INTERFACE_HANDLE;
DLL_DECLARE(WINAPI, BOOL, WinUsb_Initialize, (HANDLE, PWINUSB_INTERFACE_HANDLE));
DLL_DECLARE(WINAPI, BOOL, WinUsb_Free, (WINUSB_INTERFACE_HANDLE));
DLL_DECLARE(WINAPI, BOOL, WinUsb_GetAssociatedInterface, (WINUSB_INTERFACE_HANDLE, UCHAR, PWINUSB_INTERFACE_HANDLE));
DLL_DECLARE(WINAPI, BOOL, WinUsb_GetDescriptor, (WINUSB_INTERFACE_HANDLE, UCHAR, UCHAR, USHORT, PUCHAR, ULONG, PULONG));
DLL_DECLARE(WINAPI, BOOL, WinUsb_QueryInterfaceSettings, (WINUSB_INTERFACE_HANDLE, UCHAR, PUSB_INTERFACE_DESCRIPTOR));
DLL_DECLARE(WINAPI, BOOL, WinUsb_QueryDeviceInformation, (WINUSB_INTERFACE_HANDLE, ULONG, PULONG, PVOID));
DLL_DECLARE(WINAPI, BOOL, WinUsb_SetCurrentAlternateSetting, (WINUSB_INTERFACE_HANDLE, UCHAR));
DLL_DECLARE(WINAPI, BOOL, WinUsb_GetCurrentAlternateSetting, (WINUSB_INTERFACE_HANDLE, PUCHAR));
DLL_DECLARE(WINAPI, BOOL, WinUsb_QueryPipe, (WINUSB_INTERFACE_HANDLE, UCHAR, UCHAR, PWINUSB_PIPE_INFORMATION));
DLL_DECLARE(WINAPI, BOOL, WinUsb_SetPipePolicy, (WINUSB_INTERFACE_HANDLE, UCHAR, ULONG, ULONG, PVOID));
DLL_DECLARE(WINAPI, BOOL, WinUsb_GetPipePolicy, (WINUSB_INTERFACE_HANDLE, UCHAR, ULONG, PULONG, PVOID));
DLL_DECLARE(WINAPI, BOOL, WinUsb_ReadPipe, (WINUSB_INTERFACE_HANDLE, UCHAR, PUCHAR, ULONG, PULONG, LPOVERLAPPED));
DLL_DECLARE(WINAPI, BOOL, WinUsb_WritePipe, (WINUSB_INTERFACE_HANDLE, UCHAR, PUCHAR, ULONG, PULONG, LPOVERLAPPED));
DLL_DECLARE(WINAPI, BOOL, WinUsb_ControlTransfer, (WINUSB_INTERFACE_HANDLE, WINUSB_SETUP_PACKET, PUCHAR, ULONG, PULONG, LPOVERLAPPED));
DLL_DECLARE(WINAPI, BOOL, WinUsb_ResetPipe, (WINUSB_INTERFACE_HANDLE, UCHAR));
DLL_DECLARE(WINAPI, BOOL, WinUsb_AbortPipe, (WINUSB_INTERFACE_HANDLE, UCHAR));
DLL_DECLARE(WINAPI, BOOL, WinUsb_FlushPipe, (WINUSB_INTERFACE_HANDLE, UCHAR));
