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Unified Diff: third_party/libusb/libusb/os/windows_usb.h

Issue 9826025: Import libusb 1.0.9-rc3 into third_party (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Cleaning up import instructions Created 8 years, 8 months ago
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Index: third_party/libusb/libusb/os/windows_usb.h
diff --git a/third_party/libusb/libusb/os/windows_usb.h b/third_party/libusb/libusb/os/windows_usb.h
new file mode 100644
index 0000000000000000000000000000000000000000..b629d1844316a0f1b3a6438865baf9b603e6d9a4
--- /dev/null
+++ b/third_party/libusb/libusb/os/windows_usb.h
@@ -0,0 +1,608 @@
+/*
+ * 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];
+#if defined(AUTO_CLAIM)
+ int autoclaim_count[USB_MAXINTERFACES]; // For auto-release
+#endif
+};
+
+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_PREFIXED(api, ret, prefix, name, args) \
+ typedef ret (api * __dll_##name##_t)args; \
+ static __dll_##name##_t prefix##name = NULL
+
+#define DLL_LOAD_PREFIXED(dll, prefix, 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; } \
+ } \
+ prefix##name = (__dll_##name##_t)GetProcAddress(h, #name);\
+ if (prefix##name) break; \
+ prefix##name = (__dll_##name##_t)GetProcAddress(h, #name "A");\
+ if (prefix##name) break; \
+ prefix##name = (__dll_##name##_t)GetProcAddress(h, #name "W");\
+ if (prefix##name) break; \
+ if(ret_on_failure) \
+ return LIBUSB_ERROR_NOT_FOUND; \
+ } while(0)
+
+#define DLL_DECLARE(api, ret, name, args) DLL_DECLARE_PREFIXED(api, ret, , name, args)
+#define DLL_LOAD(dll, name, ret_on_failure) DLL_LOAD_PREFIXED(dll, , 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));
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