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
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
27 #ifndef _USB2_PROCESS_H_
28 #define _USB2_PROCESS_H_
30 #include <sys/priority.h>
33 #define USB_PRI_HIGH PI_NET
34 #define USB_PRI_MED PI_DISK
36 #define USB_PROC_WAIT_TIMEOUT 2
37 #define USB_PROC_WAIT_DRAIN 1
38 #define USB_PROC_WAIT_NORMAL 0
40 /* structure prototypes */
46 typedef void (usb_proc_callback_t)(struct usb_proc_msg *hdr);
49 * The following structure defines the USB process message header.
52 TAILQ_ENTRY(usb_proc_msg) pm_qentry;
53 usb_proc_callback_t *pm_callback;
58 * The following structure defines the USB process.
61 TAILQ_HEAD(, usb_proc_msg) up_qhead;
66 struct thread *up_curtd;
80 uint8_t usb2_proc_is_gone(struct usb_process *up);
81 int usb2_proc_create(struct usb_process *up, struct mtx *p_mtx,
82 const char *pmesg, uint8_t prio);
83 void usb2_proc_drain(struct usb_process *up);
84 void usb2_proc_mwait(struct usb_process *up, void *pm0, void *pm1);
85 void usb2_proc_free(struct usb_process *up);
86 void *usb2_proc_msignal(struct usb_process *up, void *pm0, void *pm1);
88 #endif /* _USB2_PROCESS_H_ */