--- /dev/null
+/*
+ * Windows backend common header for libusb 1.0
+ *
+ * This file brings together header code common between
+ * the desktop Windows backends.
+ * Copyright © 2012-2013 RealVNC Ltd.
+ * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
+ * 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
+
+#include "windows_nt_shared_types.h"
+
+ /* Windows versions */
+enum windows_version {
+ WINDOWS_UNDEFINED,
+ WINDOWS_2000,
+ WINDOWS_XP,
+ WINDOWS_2003, // Also XP x64
+ WINDOWS_VISTA,
+ WINDOWS_7,
+ WINDOWS_8,
+ WINDOWS_8_1,
+ WINDOWS_10,
+ WINDOWS_11_OR_LATER
+};
+
+extern enum windows_version windows_version;
+
+/* This call is only available from Vista */
+extern BOOL (WINAPI *pCancelIoEx)(HANDLE, LPOVERLAPPED);
+
+struct windows_backend {
+ int (*init)(struct libusb_context *ctx);
+ void (*exit)(struct libusb_context *ctx);
+ int (*get_device_list)(struct libusb_context *ctx,
+ struct discovered_devs **discdevs);
+ int (*open)(struct libusb_device_handle *dev_handle);
+ void (*close)(struct libusb_device_handle *dev_handle);
+ int (*get_device_descriptor)(struct libusb_device *device, unsigned char *buffer);
+ int (*get_active_config_descriptor)(struct libusb_device *device,
+ unsigned char *buffer, size_t len);
+ int (*get_config_descriptor)(struct libusb_device *device,
+ uint8_t config_index, unsigned char *buffer, size_t len);
+ int (*get_config_descriptor_by_value)(struct libusb_device *device,
+ uint8_t bConfigurationValue, unsigned char **buffer);
+ int (*get_configuration)(struct libusb_device_handle *dev_handle, int *config);
+ int (*set_configuration)(struct libusb_device_handle *dev_handle, int config);
+ int (*claim_interface)(struct libusb_device_handle *dev_handle, int interface_number);
+ int (*release_interface)(struct libusb_device_handle *dev_handle, int interface_number);
+ int (*set_interface_altsetting)(struct libusb_device_handle *dev_handle,
+ int interface_number, int altsetting);
+ int (*clear_halt)(struct libusb_device_handle *dev_handle,
+ unsigned char endpoint);
+ int (*reset_device)(struct libusb_device_handle *dev_handle);
+ void (*destroy_device)(struct libusb_device *dev);
+ int (*submit_transfer)(struct usbi_transfer *itransfer);
+ int (*cancel_transfer)(struct usbi_transfer *itransfer);
+ void (*clear_transfer_priv)(struct usbi_transfer *itransfer);
+ int (*copy_transfer_data)(struct usbi_transfer *itransfer, uint32_t io_size);
+ int (*get_transfer_fd)(struct usbi_transfer *itransfer);
+ void (*get_overlapped_result)(struct usbi_transfer *itransfer,
+ DWORD *io_result, DWORD *io_size);
+};
+
+struct windows_context_priv {
+ const struct windows_backend *backend;
+};
+
+union windows_device_priv {
+ struct usbdk_device_priv usbdk_priv;
+ struct winusb_device_priv winusb_priv;
+};
+
+union windows_device_handle_priv {
+ struct usbdk_device_handle_priv usbdk_priv;
+ struct winusb_device_handle_priv winusb_priv;
+};
+
+union windows_transfer_priv {
+ struct usbdk_transfer_priv usbdk_priv;
+ struct winusb_transfer_priv winusb_priv;
+};
+
+extern const struct windows_backend usbdk_backend;
+extern const struct windows_backend winusb_backend;
+
+unsigned long htab_hash(const char *str);
+void windows_force_sync_completion(OVERLAPPED *overlapped, ULONG size);
+
+#if defined(ENABLE_LOGGING)
+const char *windows_error_str(DWORD error_code);
+#endif