/*****************************************************************************/ /* * 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 /* --------------------------------------------------------------------- */ #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_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 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 #include /* * 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 /* * sigh. rwsemaphores do not (yet) work from modules */ #define rw_semaphore semaphore #define init_rwsem init_MUTEX #define down_read down #define down_write down #define up_read up #define up_write up 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 */