1*2ed98337SAymeric Wibo /*-
2*2ed98337SAymeric Wibo * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*2ed98337SAymeric Wibo *
4*2ed98337SAymeric Wibo * Copyright (c) 2022 Scott Long
5*2ed98337SAymeric Wibo * All rights reserved.
6*2ed98337SAymeric Wibo *
7*2ed98337SAymeric Wibo * Redistribution and use in source and binary forms, with or without
8*2ed98337SAymeric Wibo * modification, are permitted provided that the following conditions
9*2ed98337SAymeric Wibo * are met:
10*2ed98337SAymeric Wibo * 1. Redistributions of source code must retain the above copyright
11*2ed98337SAymeric Wibo * notice, this list of conditions and the following disclaimer.
12*2ed98337SAymeric Wibo * 2. Redistributions in binary form must reproduce the above copyright
13*2ed98337SAymeric Wibo * notice, this list of conditions and the following disclaimer in the
14*2ed98337SAymeric Wibo * documentation and/or other materials provided with the distribution.
15*2ed98337SAymeric Wibo *
16*2ed98337SAymeric Wibo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*2ed98337SAymeric Wibo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*2ed98337SAymeric Wibo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*2ed98337SAymeric Wibo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*2ed98337SAymeric Wibo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*2ed98337SAymeric Wibo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*2ed98337SAymeric Wibo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*2ed98337SAymeric Wibo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*2ed98337SAymeric Wibo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*2ed98337SAymeric Wibo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*2ed98337SAymeric Wibo * SUCH DAMAGE.
27*2ed98337SAymeric Wibo *
28*2ed98337SAymeric Wibo * Thunderbolt firmware connection manager functions.
29*2ed98337SAymeric Wibo *
30*2ed98337SAymeric Wibo * $FreeBSD$
31*2ed98337SAymeric Wibo */
32*2ed98337SAymeric Wibo
33*2ed98337SAymeric Wibo #ifndef _TB_VAR_H
34*2ed98337SAymeric Wibo #define _TB_VAR_H
35*2ed98337SAymeric Wibo
36*2ed98337SAymeric Wibo typedef struct {
37*2ed98337SAymeric Wibo int8_t link;
38*2ed98337SAymeric Wibo int8_t depth;
39*2ed98337SAymeric Wibo } tb_addr_t;
40*2ed98337SAymeric Wibo
41*2ed98337SAymeric Wibo MALLOC_DECLARE(M_THUNDERBOLT);
42*2ed98337SAymeric Wibo
43*2ed98337SAymeric Wibo #define TB_VENDOR_LEN 48
44*2ed98337SAymeric Wibo #define TB_MODEL_LEN 48
45*2ed98337SAymeric Wibo #define TB_MAX_LINKS 4
46*2ed98337SAymeric Wibo #define TB_MAX_DEPTH 6
47*2ed98337SAymeric Wibo
48*2ed98337SAymeric Wibo static __inline uint32_t
tb_calc_crc(void * data,u_int len)49*2ed98337SAymeric Wibo tb_calc_crc(void *data, u_int len)
50*2ed98337SAymeric Wibo {
51*2ed98337SAymeric Wibo return ( ~ (calculate_crc32c(~0L, data, len)));
52*2ed98337SAymeric Wibo }
53*2ed98337SAymeric Wibo
54*2ed98337SAymeric Wibo #endif /* _TB_VAR_H */
55