718cf2ccb9
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
182 lines
4.7 KiB
C
182 lines
4.7 KiB
C
/* $FreeBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef USB_GLOBAL_INCLUDE_FILE
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#include USB_GLOBAL_INCLUDE_FILE
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#else
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_device.h>
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#include <dev/usb/usb_dynamic.h>
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#include <dev/usb/usb_request.h>
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#endif /* USB_GLOBAL_INCLUDE_FILE */
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/* function prototypes */
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static usb_handle_req_t usb_temp_get_desc_w;
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static usb_temp_setup_by_index_t usb_temp_setup_by_index_w;
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#if USB_HAVE_COMPAT_LINUX
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static usb_linux_free_device_t usb_linux_free_device_w;
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#endif
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static usb_temp_unsetup_t usb_temp_unsetup_w;
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static usb_test_quirk_t usb_test_quirk_w;
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static usb_quirk_ioctl_t usb_quirk_ioctl_w;
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/* global variables */
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usb_handle_req_t *usb_temp_get_desc_p = &usb_temp_get_desc_w;
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usb_temp_setup_by_index_t *usb_temp_setup_by_index_p = &usb_temp_setup_by_index_w;
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#if USB_HAVE_COMPAT_LINUX
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usb_linux_free_device_t *usb_linux_free_device_p = &usb_linux_free_device_w;
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#endif
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usb_temp_unsetup_t *usb_temp_unsetup_p = &usb_temp_unsetup_w;
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usb_test_quirk_t *usb_test_quirk_p = &usb_test_quirk_w;
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usb_quirk_ioctl_t *usb_quirk_ioctl_p = &usb_quirk_ioctl_w;
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devclass_t usb_devclass_ptr;
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static usb_error_t
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usb_temp_setup_by_index_w(struct usb_device *udev, uint16_t index)
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{
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return (USB_ERR_INVAL);
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}
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static uint8_t
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usb_test_quirk_w(const struct usbd_lookup_info *info, uint16_t quirk)
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{
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return (0); /* no match */
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}
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static int
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usb_quirk_ioctl_w(unsigned long cmd, caddr_t data, int fflag, struct thread *td)
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{
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return (ENOIOCTL);
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}
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static usb_error_t
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usb_temp_get_desc_w(struct usb_device *udev, struct usb_device_request *req, const void **pPtr, uint16_t *pLength)
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{
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/* stall */
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return (USB_ERR_STALLED);
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}
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static void
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usb_temp_unsetup_w(struct usb_device *udev)
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{
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usbd_free_config_desc(udev, udev->usb_template_ptr);
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udev->usb_template_ptr = NULL;
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}
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#if USB_HAVE_COMPAT_LINUX
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static void
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usb_linux_free_device_w(struct usb_device *udev)
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{
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/* NOP */
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}
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#endif
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void
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usb_quirk_unload(void *arg)
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{
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/* reset function pointers */
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usb_test_quirk_p = &usb_test_quirk_w;
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usb_quirk_ioctl_p = &usb_quirk_ioctl_w;
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/* wait for CPU to exit the loaded functions, if any */
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/* XXX this is a tradeoff */
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pause("WAIT", hz);
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}
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void
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usb_temp_unload(void *arg)
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{
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/* reset function pointers */
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usb_temp_get_desc_p = &usb_temp_get_desc_w;
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usb_temp_setup_by_index_p = &usb_temp_setup_by_index_w;
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usb_temp_unsetup_p = &usb_temp_unsetup_w;
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/* wait for CPU to exit the loaded functions, if any */
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/* XXX this is a tradeoff */
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pause("WAIT", hz);
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}
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void
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usb_bus_unload(void *arg)
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{
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/* reset function pointers */
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usb_devclass_ptr = NULL;
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/* wait for CPU to exit the loaded functions, if any */
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/* XXX this is a tradeoff */
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pause("WAIT", hz);
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}
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#if USB_HAVE_COMPAT_LINUX
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void
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usb_linux_unload(void *arg)
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{
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/* reset function pointers */
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usb_linux_free_device_p = &usb_linux_free_device_w;
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/* wait for CPU to exit the loaded functions, if any */
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/* XXX this is a tradeoff */
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pause("WAIT", hz);
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}
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#endif
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