3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _USB_PROCESS_H_
30 #define _USB_PROCESS_H_
32 #ifndef USB_GLOBAL_INCLUDE_FILE
33 #include <sys/interrupt.h>
34 #include <sys/priority.h>
39 #define USB_PRI_HIGHEST PI_SWI(SWI_TTY)
40 #define USB_PRI_HIGH PI_SWI(SWI_NET)
41 #define USB_PRI_MED PI_SWI(SWI_CAMBIO)
43 #define USB_PROC_WAIT_TIMEOUT 2
44 #define USB_PROC_WAIT_DRAIN 1
45 #define USB_PROC_WAIT_NORMAL 0
47 /* structure prototypes */
53 * The following structure defines the USB process.
56 TAILQ_HEAD(, usb_proc_msg) up_qhead;
60 #if (__FreeBSD_version >= 800000)
61 struct thread *up_ptr;
65 struct thread *up_curtd;
68 usb_size_t up_msg_num;
79 uint8_t usb_proc_is_gone(struct usb_process *up);
80 int usb_proc_create(struct usb_process *up, struct mtx *p_mtx,
81 const char *pmesg, uint8_t prio);
82 void usb_proc_drain(struct usb_process *up);
83 void usb_proc_mwait(struct usb_process *up, void *pm0, void *pm1);
84 void usb_proc_free(struct usb_process *up);
85 void *usb_proc_msignal(struct usb_process *up, void *pm0, void *pm1);
86 void usb_proc_rewakeup(struct usb_process *up);
87 int usb_proc_is_called_from(struct usb_process *up);
89 void usb_proc_explore_mwait(struct usb_device *, void *, void *);
90 void *usb_proc_explore_msignal(struct usb_device *, void *, void *);
91 void usb_proc_explore_lock(struct usb_device *);
92 void usb_proc_explore_unlock(struct usb_device *);
94 #endif /* _USB_PROCESS_H_ */