Import libusb 1.0.9-rc3 into third_party

third_party/libusb/libusb/os/linux_usbfs.h

+/*
+ * usbfs header structures
+ * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
+ * Copyright (c) 2001 Johannes Erdfelt <johannes@erdfelt.com>
+ *
+ * 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
+ */
+
+#ifndef LIBUSB_USBFS_H
+#define LIBUSB_USBFS_H
+
+#define SYSFS_DEVICE_PATH "/sys/bus/usb/devices"
+
+struct usbfs_ctrltransfer {
+        /* keep in sync with usbdevice_fs.h:usbdevfs_ctrltransfer */
+        uint8_t  bmRequestType;
+        uint8_t  bRequest;
+        uint16_t wValue;
+        uint16_t wIndex;
+        uint16_t wLength;
+
+        uint32_t timeout;       /* in milliseconds */
+
+        /* pointer to data */
+        void *data;
+};
+
+struct usbfs_bulktransfer {
+        /* keep in sync with usbdevice_fs.h:usbdevfs_bulktransfer */
+        unsigned int ep;
+        unsigned int len;
+        unsigned int timeout;   /* in milliseconds */
+
+        /* pointer to data */
+        void *data;
+};
+
+struct usbfs_setinterface {
+        /* keep in sync with usbdevice_fs.h:usbdevfs_setinterface */
+        unsigned int interface;
+        unsigned int altsetting;
+};
+
+#define USBFS_MAXDRIVERNAME 255
+
+struct usbfs_getdriver {
+        unsigned int interface;
+        char driver[USBFS_MAXDRIVERNAME + 1];
+};
+
+#define USBFS_URB_SHORT_NOT_OK          0x01
+#define USBFS_URB_ISO_ASAP                      0x02
+#define USBFS_URB_BULK_CONTINUATION     0x04
+#define USBFS_URB_QUEUE_BULK            0x10
+
+enum usbfs_urb_type {
+        USBFS_URB_TYPE_ISO = 0,
+        USBFS_URB_TYPE_INTERRUPT = 1,
+        USBFS_URB_TYPE_CONTROL = 2,
+        USBFS_URB_TYPE_BULK = 3,
+};
+
+struct usbfs_iso_packet_desc {
+        unsigned int length;
+        unsigned int actual_length;
+        unsigned int status;
+};
+
+#define MAX_ISO_BUFFER_LENGTH           32768
+#define MAX_BULK_BUFFER_LENGTH          16384
+#define MAX_CTRL_BUFFER_LENGTH          4096
+
+struct usbfs_urb {
+        unsigned char type;
+        unsigned char endpoint;
+        int status;
+        unsigned int flags;
+        void *buffer;
+        int buffer_length;
+        int actual_length;
+        int start_frame;
+        int number_of_packets;
+        int error_count;
+        unsigned int signr;
+        void *usercontext;
+        struct usbfs_iso_packet_desc iso_frame_desc[0];
+};
+
+struct usbfs_connectinfo {
+        unsigned int devnum;
+        unsigned char slow;
+};
+
+struct usbfs_ioctl {
+        int ifno;       /* interface 0..N ; negative numbers reserved */
+        int ioctl_code; /* MUST encode size + direction of data so the
+                         * macros in <asm/ioctl.h> give correct values */
+        void *data;     /* param buffer (in, or out) */
+};
+
+struct usbfs_hub_portinfo {
+        unsigned char numports;
+        unsigned char port[127];        /* port to device num mapping */
+};
+
+#define IOCTL_USBFS_CONTROL     _IOWR('U', 0, struct usbfs_ctrltransfer)
+#define IOCTL_USBFS_BULK                _IOWR('U', 2, struct usbfs_bulktransfer)
+#define IOCTL_USBFS_RESETEP     _IOR('U', 3, unsigned int)
+#define IOCTL_USBFS_SETINTF     _IOR('U', 4, struct usbfs_setinterface)
+#define IOCTL_USBFS_SETCONFIG   _IOR('U', 5, unsigned int)
+#define IOCTL_USBFS_GETDRIVER   _IOW('U', 8, struct usbfs_getdriver)
+#define IOCTL_USBFS_SUBMITURB   _IOR('U', 10, struct usbfs_urb)
+#define IOCTL_USBFS_DISCARDURB  _IO('U', 11)
+#define IOCTL_USBFS_REAPURB     _IOW('U', 12, void *)
+#define IOCTL_USBFS_REAPURBNDELAY       _IOW('U', 13, void *)
+#define IOCTL_USBFS_CLAIMINTF   _IOR('U', 15, unsigned int)
+#define IOCTL_USBFS_RELEASEINTF _IOR('U', 16, unsigned int)
+#define IOCTL_USBFS_CONNECTINFO _IOW('U', 17, struct usbfs_connectinfo)
+#define IOCTL_USBFS_IOCTL         _IOWR('U', 18, struct usbfs_ioctl)
+#define IOCTL_USBFS_HUB_PORTINFO        _IOR('U', 19, struct usbfs_hub_portinfo)
+#define IOCTL_USBFS_RESET               _IO('U', 20)
+#define IOCTL_USBFS_CLEAR_HALT  _IOR('U', 21, unsigned int)
+#define IOCTL_USBFS_DISCONNECT  _IO('U', 22)
+#define IOCTL_USBFS_CONNECT     _IO('U', 23)
+
+#endif