kernel - Fix auto port assignment collision in network code
[dragonfly.git] / sys / bus / u4b / usb_process.h
blobde9c04f5c9f46d076acfc15ca4ae24eb8969cb6e
1 /* $FreeBSD: head/sys/dev/usb/usb_process.h 263423 2014-03-20 13:53:24Z hselasky $ */
2 /*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
27 #ifndef _USB_PROCESS_H_
28 #define _USB_PROCESS_H_
30 #include <sys/interrupt.h>
31 #include <sys/signalvar.h>
32 #include <sys/thread.h>
34 /* defines */
35 #define USB_PRI_HIGH TDPRI_INT_HIGH
36 #define USB_PRI_MED TDPRI_INT_MED
38 #define USB_PROC_WAIT_TIMEOUT 2
39 #define USB_PROC_WAIT_DRAIN 1
40 #define USB_PROC_WAIT_NORMAL 0
42 /* structure prototypes */
44 struct usb_proc_msg;
45 struct usb_device;
48 * The following structure defines the USB process.
50 struct usb_process {
51 TAILQ_HEAD(, usb_proc_msg) up_qhead;
52 struct cv up_cv;
53 struct cv up_drain;
55 struct thread *up_ptr;
56 struct thread *up_curtd;
57 struct lock *up_lock;
59 usb_size_t up_msg_num;
61 uint8_t up_prio;
62 uint8_t up_gone;
63 uint8_t up_msleep;
64 uint8_t up_csleep;
65 uint8_t up_dsleep;
68 /* prototypes */
70 uint8_t usb_proc_is_gone(struct usb_process *up);
71 int usb_proc_create(struct usb_process *up, struct lock *p_lock,
72 const char *pmesg, uint8_t prio);
73 void usb_proc_drain(struct usb_process *up);
74 void usb_proc_mwait(struct usb_process *up, void *pm0, void *pm1);
75 void usb_proc_free(struct usb_process *up);
76 void *usb_proc_msignal(struct usb_process *up, void *pm0, void *pm1);
77 void usb_proc_rewakeup(struct usb_process *up);
78 int usb_proc_is_called_from(struct usb_process *up);
80 void usb_proc_explore_mwait(struct usb_device *, void *, void *);
81 void *usb_proc_explore_msignal(struct usb_device *, void *, void *);
82 void usb_proc_explore_lock(struct usb_device *);
83 void usb_proc_explore_unlock(struct usb_device *);
85 #endif /* _USB_PROCESS_H_ */