Current Path : /sys/dev/usb/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/usb/usb_dev.h |
/* $FreeBSD: release/9.1.0/sys/dev/usb/usb_dev.h 196219 2009-08-14 20:03:53Z jhb $ */ /*- * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _USB_DEV_H_ #define _USB_DEV_H_ #include <sys/file.h> #include <sys/selinfo.h> #include <sys/poll.h> #include <sys/signalvar.h> #include <sys/proc.h> struct usb_fifo; struct usb_mbuf; struct usb_symlink { TAILQ_ENTRY(usb_symlink) sym_entry; char src_path[32]; /* Source path - including terminating * zero */ char dst_path[32]; /* Destination path - including * terminating zero */ uint8_t src_len; /* String length */ uint8_t dst_len; /* String length */ }; /* * Private per-device information. */ struct usb_cdev_privdata { struct usb_bus *bus; struct usb_device *udev; struct usb_interface *iface; int bus_index; /* bus index */ int dev_index; /* device index */ int ep_addr; /* endpoint address */ int fflags; uint8_t fifo_index; /* FIFO index */ }; /* * The following structure defines a minimum re-implementation of the * ifqueue structure in the kernel. */ struct usb_ifqueue { struct usb_mbuf *ifq_head; struct usb_mbuf *ifq_tail; usb_size_t ifq_len; usb_size_t ifq_maxlen; }; /* * Private per-device and per-thread reference information */ struct usb_cdev_refdata { struct usb_fifo *rxfifo; struct usb_fifo *txfifo; uint8_t is_read; /* location has read access */ uint8_t is_write; /* location has write access */ uint8_t is_uref; /* USB refcount decr. needed */ uint8_t is_usbfs; /* USB-FS is active */ }; struct usb_fs_privdata { int bus_index; int dev_index; int ep_addr; int mode; int fifo_index; struct cdev *cdev; LIST_ENTRY(usb_fs_privdata) pd_next; }; /* * Most of the fields in the "usb_fifo" structure are used by the * generic USB access layer. */ struct usb_fifo { struct usb_ifqueue free_q; struct usb_ifqueue used_q; struct selinfo selinfo; struct cv cv_io; struct cv cv_drain; struct usb_fifo_methods *methods; struct usb_symlink *symlink[2];/* our symlinks */ struct proc *async_p; /* process that wants SIGIO */ struct usb_fs_endpoint *fs_ep_ptr; struct usb_device *udev; struct usb_xfer *xfer[2]; struct usb_xfer **fs_xfer; struct mtx *priv_mtx; /* client data */ /* set if FIFO is opened by a FILE: */ struct usb_cdev_privdata *curr_cpd; void *priv_sc0; /* client data */ void *priv_sc1; /* client data */ void *queue_data; usb_timeout_t timeout; /* timeout in milliseconds */ usb_frlength_t bufsize; /* BULK and INTERRUPT buffer size */ usb_frcount_t nframes; /* for isochronous mode */ uint16_t dev_ep_index; /* our device endpoint index */ uint8_t flag_sleeping; /* set if FIFO is sleeping */ uint8_t flag_iscomplete; /* set if a USB transfer is complete */ uint8_t flag_iserror; /* set if FIFO error happened */ uint8_t flag_isselect; /* set if FIFO is selected */ uint8_t flag_flushing; /* set if FIFO is flushing data */ uint8_t flag_short; /* set if short_ok or force_short * transfer flags should be set */ uint8_t flag_stall; /* set if clear stall should be run */ uint8_t flag_write_defrag; /* set to defrag written data */ uint8_t flag_have_fragment; /* set if defragging */ uint8_t iface_index; /* set to the interface we belong to */ uint8_t fifo_index; /* set to the FIFO index in "struct * usb_device" */ uint8_t fs_ep_max; uint8_t fifo_zlp; /* zero length packet count */ uint8_t refcount; #define USB_FIFO_REF_MAX 0xFF }; extern struct cdevsw usb_devsw; int usb_fifo_wait(struct usb_fifo *fifo); void usb_fifo_signal(struct usb_fifo *fifo); uint8_t usb_fifo_opened(struct usb_fifo *fifo); struct usb_symlink *usb_alloc_symlink(const char *target); void usb_free_symlink(struct usb_symlink *ps); int usb_read_symlink(uint8_t *user_ptr, uint32_t startentry, uint32_t user_len); #endif /* _USB_DEV_H_ */