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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /*****************************************************************************/ /* * 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 */ |