xref: /freebsd/sys/dev/thunderbolt/tb_debug.h (revision 2ed9833791f28e14843ac813f90cb030e45948dc)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2022 Scott Long
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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.
15  *
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
26  * SUCH DAMAGE.
27  *
28  * Thunderbolt 3 driver debug strings
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _TB_DEBUG_H
34 #define _TB_DEBUG_H
35 
36 typedef struct {
37 	uintmax_t	key;
38 	const char *	value;
39 } tb_string_t;
40 
41 const char * tb_get_string(uintmax_t, tb_string_t *);
42 int tb_debug_sysctl(SYSCTL_HANDLER_ARGS);
43 void tb_parse_debug(u_int *, char *);
44 
45 extern tb_string_t nhi_outmailcmd_opmode[];
46 extern tb_string_t nhi_frame_pdf[];
47 extern tb_string_t tb_security_level[];
48 extern tb_string_t tb_rdy_connmode[];
49 extern tb_string_t tb_mbox_connmode[];
50 extern tb_string_t tb_device_power[];
51 extern tb_string_t tb_notify_code[];
52 extern tb_string_t tb_adapter_type[];
53 extern tb_string_t tb_adapter_state[];
54 extern tb_string_t tb_notify_event[];
55 
56 enum {
57 	/* Debug subsystems */
58 	DBG_NONE	= 0,
59 	DBG_INIT	= (1 << 0),
60 	DBG_INFO	= (1 << 1),
61 	DBG_RXQ		= (1 << 2),
62 	DBG_TXQ		= (1 << 3),
63 	DBG_INTR	= (1 << 4),
64 	DBG_TB		= (1 << 5),
65 	DBG_MBOX	= (1 << 6),
66 	DBG_BRIDGE	= (1 << 7),
67 	DBG_CFG		= (1 << 8),
68 	DBG_ROUTER	= (1 << 9),
69 	DBG_PORT	= (1 << 10),
70 	DBG_HCM		= (1 << 11),
71 	/* Debug levels */
72 	DBG_EXTRA	= (1 << 30),
73 	DBG_NOISY	= (1 << 31),
74 	DBG_FULL	= DBG_EXTRA | DBG_NOISY
75 };
76 
77 /*
78  * Macros to wrap printing.
79  * Each softc type needs a `dev` and `debug` field.  Do tbdbg_printf as a
80  * function to make format errors more clear during compile.
81  */
82 void tbdbg_dprintf(device_t dev, u_int debug, u_int val, const char *fmt, ...) __printflike(4, 5);
83 
84 #if defined(THUNDERBOLT_DEBUG) && (THUNDERBOLT_DEBUG > 0)
85 #define tb_debug(sc, level, fmt...)	\
86 	tbdbg_dprintf((sc)->dev, (sc)->debug, level, ##fmt)
87 #else
88 #define tb_debug(sc, level, fmt...)
89 #endif
90 #define tb_printf(sc, fmt...)		\
91 	device_printf((sc)->dev, ##fmt)
92 
93 #endif /* _TB_DEBUG_H */
94