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Current Path: /usr/src/sys/dev/usb

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📁 controller
📁 gadget
📁 input
📁 misc
📁 net
📁 quirk
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📄 ufm_ioctl.h(1.85 KB)
📄 uftdiio.h(3.51 KB)
📄 uled_ioctl.h(1.61 KB)
📄 usb.h(24.12 KB)
📄 usb_bus.h(4.41 KB)
📄 usb_busdma.c(27.5 KB)
📄 usb_busdma.h(5.26 KB)
📄 usb_cdc.h(8.17 KB)
📄 usb_controller.h(6.1 KB)
📄 usb_core.c(2.53 KB)
📄 usb_core.h(6.83 KB)
📄 usb_debug.c(10.43 KB)
📄 usb_debug.h(3.23 KB)
📄 usb_dev.c(51.38 KB)
📄 usb_dev.h(5.12 KB)
📄 usb_device.c(77.7 KB)
📄 usb_device.h(11.68 KB)
📄 usb_dynamic.c(4.74 KB)
📄 usb_dynamic.h(2.5 KB)
📄 usb_endian.h(3.6 KB)
📄 usb_error.c(3.69 KB)
📄 usb_fdt_support.c(5.84 KB)
📄 usb_fdt_support.h(2.06 KB)
📄 usb_freebsd.h(3.96 KB)
📄 usb_freebsd_loader.h(3.74 KB)
📄 usb_generic.c(52.22 KB)
📄 usb_generic.h(1.66 KB)
📄 usb_handle_request.c(18.78 KB)
📄 usb_hid.c(4.59 KB)
📄 usb_hub.c(72.44 KB)
📄 usb_hub.h(2.98 KB)
📄 usb_hub_acpi.c(15.4 KB)
📄 usb_hub_private.h(2.73 KB)
📄 usb_if.m(2.27 KB)
📄 usb_ioctl.h(12.01 KB)
📄 usb_lookup.c(4.59 KB)
📄 usb_mbuf.c(3.08 KB)
📄 usb_mbuf.h(3.04 KB)
📄 usb_msctest.c(27.07 KB)
📄 usb_msctest.h(2.32 KB)
📄 usb_parse.c(9.2 KB)
📄 usb_pci.h(1.68 KB)
📄 usb_pf.c(13.22 KB)
📄 usb_pf.h(4.85 KB)
📄 usb_process.c(14.31 KB)
📄 usb_process.h(3.01 KB)
📄 usb_request.c(60.92 KB)
📄 usb_request.h(5.09 KB)
📄 usb_transfer.c(91.06 KB)
📄 usb_transfer.h(7.59 KB)
📄 usb_util.c(6.04 KB)
📄 usb_util.h(1.62 KB)
📄 usbdevs(201.48 KB)
📄 usbdi.h(24.3 KB)
📄 usbdi_util.h(3.97 KB)
📄 usbhid.h(3.26 KB)
📁 video
📁 wlan

Editing: usb_dev.h

/* $FreeBSD$ */
/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * 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_

#ifndef USB_GLOBAL_INCLUDE_FILE
#include <sys/file.h>
#include <sys/selinfo.h>
#include <sys/poll.h>
#include <sys/signalvar.h>
#include <sys/proc.h>
#endif

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 */
	uint8_t			do_unlock;	/* USB enum unlock needed */
};

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_ */

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Editing: usb_dev.h

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