xref: /freebsd/sys/dev/thunderbolt/tb_debug.h (revision d3e5082ce4dcb154cbf50cba05d8f1dbbd55a5fc)
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 
31 #ifndef _TB_DEBUG_H
32 #define _TB_DEBUG_H
33 
34 typedef struct {
35 	uintmax_t	key;
36 	const char *	value;
37 } tb_string_t;
38 
39 const char * tb_get_string(uintmax_t, tb_string_t *);
40 int tb_debug_sysctl(SYSCTL_HANDLER_ARGS);
41 void tb_parse_debug(u_int *, char *);
42 
43 extern tb_string_t nhi_outmailcmd_opmode[];
44 extern tb_string_t nhi_frame_pdf[];
45 extern tb_string_t tb_security_level[];
46 extern tb_string_t tb_rdy_connmode[];
47 extern tb_string_t tb_mbox_connmode[];
48 extern tb_string_t tb_device_power[];
49 extern tb_string_t tb_notify_code[];
50 extern tb_string_t tb_adapter_type[];
51 extern tb_string_t tb_adapter_state[];
52 extern tb_string_t tb_notify_event[];
53 
54 enum {
55 	/* Debug subsystems */
56 	DBG_NONE	= 0,
57 	DBG_INIT	= (1 << 0),
58 	DBG_INFO	= (1 << 1),
59 	DBG_RXQ		= (1 << 2),
60 	DBG_TXQ		= (1 << 3),
61 	DBG_INTR	= (1 << 4),
62 	DBG_TB		= (1 << 5),
63 	DBG_MBOX	= (1 << 6),
64 	DBG_BRIDGE	= (1 << 7),
65 	DBG_CFG		= (1 << 8),
66 	DBG_ROUTER	= (1 << 9),
67 	DBG_PORT	= (1 << 10),
68 	DBG_HCM		= (1 << 11),
69 	/* Debug levels */
70 	DBG_EXTRA	= (1 << 30),
71 	DBG_NOISY	= (1 << 31),
72 	DBG_FULL	= DBG_EXTRA | DBG_NOISY
73 };
74 
75 /*
76  * Macros to wrap printing.
77  * Each softc type needs a `dev` and `debug` field.  Do tbdbg_printf as a
78  * function to make format errors more clear during compile.
79  */
80 void tbdbg_dprintf(device_t dev, u_int debug, u_int val, const char *fmt, ...) __printflike(4, 5);
81 
82 #ifdef THUNDERBOLT_DEBUG
83 #define tb_debug(sc, level, fmt...)	\
84 	tbdbg_dprintf((sc)->dev, (sc)->debug, level, ##fmt)
85 #else
86 #define tb_debug(sc, level, fmt...)
87 #endif
88 #define tb_printf(sc, fmt...)		\
89 	device_printf((sc)->dev, ##fmt)
90 
91 #endif /* _TB_DEBUG_H */
92