usbdevice_fs.h
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- /*****************************************************************************/
- /*
- * usbdevice_fs.h -- USB device file system.
- *
- * Copyright (C) 2000
- * Thomas Sailer (sailer@ife.ee.ethz.ch)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * History:
- * 0.1 04.01.2000 Created
- *
- * $Id: usbdevice_fs.h,v 1.1 2000/01/06 18:40:41 tom Exp $
- */
- /*****************************************************************************/
- #ifndef _LINUX_USBDEVICE_FS_H
- #define _LINUX_USBDEVICE_FS_H
- #include <linux/types.h>
- /* --------------------------------------------------------------------- */
- #define USBDEVICE_SUPER_MAGIC 0x9fa2
- /* usbdevfs ioctl codes */
- struct usbdevfs_ctrltransfer {
- __u8 requesttype;
- __u8 request;
- __u16 value;
- __u16 index;
- __u16 length;
- __u32 timeout; /* in milliseconds */
- void *data;
- };
- struct usbdevfs_bulktransfer {
- unsigned int ep;
- unsigned int len;
- unsigned int timeout; /* in milliseconds */
- void *data;
- };
- struct usbdevfs_setinterface {
- unsigned int interface;
- unsigned int altsetting;
- };
- struct usbdevfs_disconnectsignal {
- unsigned int signr;
- void *context;
- };
- #define USBDEVFS_MAXDRIVERNAME 255
- struct usbdevfs_getdriver {
- unsigned int interface;
- char driver[USBDEVFS_MAXDRIVERNAME + 1];
- };
- struct usbdevfs_connectinfo {
- unsigned int devnum;
- unsigned char slow;
- };
- #define USBDEVFS_URB_DISABLE_SPD 1
- #define USBDEVFS_URB_ISO_ASAP 2
- #define USBDEVFS_URB_QUEUE_BULK 0x10
- #define USBDEVFS_URB_TYPE_ISO 0
- #define USBDEVFS_URB_TYPE_INTERRUPT 1
- #define USBDEVFS_URB_TYPE_CONTROL 2
- #define USBDEVFS_URB_TYPE_BULK 3
- struct usbdevfs_iso_packet_desc {
- unsigned int length;
- unsigned int actual_length;
- unsigned int status;
- };
- struct usbdevfs_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; /* signal to be sent on error, -1 if none should be sent */
- void *usercontext;
- struct usbdevfs_iso_packet_desc iso_frame_desc[0];
- };
- /* ioctls for talking to drivers in the usbcore module: */
- struct usbdevfs_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) */
- };
- /* You can do most things with hubs just through control messages,
- * except find out what device connects to what port. */
- struct usbdevfs_hub_portinfo {
- char nports; /* number of downstream ports in this hub */
- char port [127]; /* e.g. port 3 connects to device 27 */
- };
- #define USBDEVFS_CONTROL _IOWR('U', 0, struct usbdevfs_ctrltransfer)
- #define USBDEVFS_BULK _IOWR('U', 2, struct usbdevfs_bulktransfer)
- #define USBDEVFS_RESETEP _IOR('U', 3, unsigned int)
- #define USBDEVFS_SETINTERFACE _IOR('U', 4, struct usbdevfs_setinterface)
- #define USBDEVFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
- #define USBDEVFS_GETDRIVER _IOW('U', 8, struct usbdevfs_getdriver)
- #define USBDEVFS_SUBMITURB _IOR('U', 10, struct usbdevfs_urb)
- #define USBDEVFS_DISCARDURB _IO('U', 11)
- #define USBDEVFS_REAPURB _IOW('U', 12, void *)
- #define USBDEVFS_REAPURBNDELAY _IOW('U', 13, void *)
- #define USBDEVFS_DISCSIGNAL _IOR('U', 14, struct usbdevfs_disconnectsignal)
- #define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
- #define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
- #define USBDEVFS_CONNECTINFO _IOW('U', 17, struct usbdevfs_connectinfo)
- #define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl)
- #define USBDEVFS_HUB_PORTINFO _IOR('U', 19, struct usbdevfs_hub_portinfo)
- #define USBDEVFS_RESET _IO('U', 20)
- #define USBDEVFS_CLEAR_HALT _IOR('U', 21, unsigned int)
- /* --------------------------------------------------------------------- */
- #ifdef __KERNEL__
- #include <linux/list.h>
- #include <asm/semaphore.h>
- /*
- * inode number macros
- */
- #define ITYPE(x) ((x)&(0xf<<28))
- #define ISPECIAL (0<<28)
- #define IBUS (1<<28)
- #define IDEVICE (2<<28)
- #define IBUSNR(x) (((x)>>8)&0xff)
- #define IDEVNR(x) ((x)&0xff)
- #define IROOT 1
- struct dev_state {
- struct list_head list; /* state list */
- struct rw_semaphore devsem; /* protects modifications to dev (dev == NULL indicating disconnect) */
- struct usb_device *dev;
- struct file *file;
- spinlock_t lock; /* protects the async urb lists */
- struct list_head async_pending;
- struct list_head async_completed;
- wait_queue_head_t wait; /* wake up if a request completed */
- unsigned int discsignr;
- struct task_struct *disctask;
- void *disccontext;
- unsigned long ifclaimed;
- };
- /* internal methods & data */
- extern struct usb_driver usbdevfs_driver;
- extern struct file_operations usbdevfs_drivers_fops;
- extern struct file_operations usbdevfs_devices_fops;
- extern struct file_operations usbdevfs_device_file_operations;
- extern struct inode_operations usbdevfs_device_inode_operations;
- extern struct inode_operations usbdevfs_bus_inode_operations;
- extern struct file_operations usbdevfs_bus_file_operations;
- extern void usbdevfs_conn_disc_event(void);
- #endif /* __KERNEL__ */
- /* --------------------------------------------------------------------- */
- #endif /* _LINUX_USBDEVICE_FS_H */