xref: /freebsd/sys/dev/iavf/iavf_debug.h (revision cc68614da8232d8baaca0ae0d0dd8f890f06623e)
1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /*  Copyright (c) 2021, Intel Corporation
3  *  All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions are met:
7  *
8  *   1. Redistributions of source code must retain the above copyright notice,
9  *      this list of conditions and the following disclaimer.
10  *
11  *   2. Redistributions in binary form must reproduce the above copyright
12  *      notice, this list of conditions and the following disclaimer in the
13  *      documentation and/or other materials provided with the distribution.
14  *
15  *   3. Neither the name of the Intel Corporation nor the names of its
16  *      contributors may be used to endorse or promote products derived from
17  *      this software without specific prior written permission.
18  *
19  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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29  *  POSSIBILITY OF SUCH DAMAGE.
30  */
31 /*$FreeBSD$*/
32 
33 /**
34  * @file iavf_debug.h
35  * @brief Debug macros
36  *
37  * Contains definitions for useful debug macros which can be enabled by
38  * building with IAVF_DEBUG defined.
39  */
40 #ifndef _IAVF_DEBUG_H_
41 #define _IAVF_DEBUG_H_
42 
43 #define MAC_FORMAT "%02x:%02x:%02x:%02x:%02x:%02x"
44 #define MAC_FORMAT_ARGS(mac_addr) \
45 	(mac_addr)[0], (mac_addr)[1], (mac_addr)[2], (mac_addr)[3], \
46 	(mac_addr)[4], (mac_addr)[5]
47 
48 #ifdef IAVF_DEBUG
49 
50 #define _DBG_PRINTF(S, ...)		printf("%s: " S "\n", __func__, ##__VA_ARGS__)
51 #define _DEV_DBG_PRINTF(dev, S, ...)	device_printf(dev, "%s: " S "\n", __func__, ##__VA_ARGS__)
52 #define _IF_DBG_PRINTF(ifp, S, ...)	if_printf(ifp, "%s: " S "\n", __func__, ##__VA_ARGS__)
53 
54 /* Defines for printing generic debug information */
55 #define DPRINTF(...)			_DBG_PRINTF(__VA_ARGS__)
56 #define DDPRINTF(...)			_DEV_DBG_PRINTF(__VA_ARGS__)
57 #define IDPRINTF(...)			_IF_DBG_PRINTF(__VA_ARGS__)
58 
59 /* Defines for printing specific debug information */
60 #define DEBUG_INIT  1
61 #define DEBUG_IOCTL 1
62 #define DEBUG_HW    1
63 
64 #define INIT_DEBUGOUT(...)		if (DEBUG_INIT) _DBG_PRINTF(__VA_ARGS__)
65 #define INIT_DBG_DEV(...)		if (DEBUG_INIT) _DEV_DBG_PRINTF(__VA_ARGS__)
66 #define INIT_DBG_IF(...)		if (DEBUG_INIT) _IF_DBG_PRINTF(__VA_ARGS__)
67 
68 #define IOCTL_DEBUGOUT(...)		if (DEBUG_IOCTL) _DBG_PRINTF(__VA_ARGS__)
69 #define IOCTL_DBG_IF2(ifp, S, ...)	if (DEBUG_IOCTL) \
70 					    if_printf(ifp, S "\n", ##__VA_ARGS__)
71 #define IOCTL_DBG_IF(...)		if (DEBUG_IOCTL) _IF_DBG_PRINTF(__VA_ARGS__)
72 
73 #define HW_DEBUGOUT(...)		if (DEBUG_HW) _DBG_PRINTF(__VA_ARGS__)
74 
75 #else /* no IAVF_DEBUG */
76 #define DEBUG_INIT  0
77 #define DEBUG_IOCTL 0
78 #define DEBUG_HW    0
79 
80 #define DPRINTF(...)
81 #define DDPRINTF(...)
82 #define IDPRINTF(...)
83 
84 #define INIT_DEBUGOUT(...)
85 #define INIT_DBG_DEV(...)
86 #define INIT_DBG_IF(...)
87 #define IOCTL_DEBUGOUT(...)
88 #define IOCTL_DBG_IF2(...)
89 #define IOCTL_DBG_IF(...)
90 #define HW_DEBUGOUT(...)
91 #endif /* IAVF_DEBUG */
92 
93 /**
94  * @enum iavf_dbg_mask
95  * @brief Bitmask values for various debug messages
96  *
97  * Enumeration of possible debug message categories, represented as a bitmask.
98  *
99  * Bits are set in the softc dbg_mask field indicating which messages are
100  * enabled.
101  *
102  * Used by debug print macros in order to compare the message type with the
103  * enabled bits in the dbg_mask to decide whether to print the message or not.
104  */
105 enum iavf_dbg_mask {
106 	IAVF_DBG_INFO			= 0x00000001,
107 	IAVF_DBG_EN_DIS			= 0x00000002,
108 	IAVF_DBG_AQ			= 0x00000004,
109 	IAVF_DBG_INIT			= 0x00000008,
110 	IAVF_DBG_FILTER			= 0x00000010,
111 
112 	IAVF_DBG_RSS			= 0x00000100,
113 
114 	IAVF_DBG_VC			= 0x00001000,
115 
116 	IAVF_DBG_SWITCH_INFO		= 0x00010000,
117 
118 	IAVF_DBG_ALL			= 0xFFFFFFFF
119 };
120 
121 /* Debug printing */
122 void iavf_debug_core(device_t dev, uint32_t enabled_mask, uint32_t mask, char *fmt, ...) __printflike(4,5);
123 
124 #define iavf_dbg(sc, m, s, ...)		iavf_debug_core(sc->dev, sc->dbg_mask, m, s, ##__VA_ARGS__)
125 #define iavf_dbg_init(sc, s, ...)	iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_INIT, s, ##__VA_ARGS__)
126 #define iavf_dbg_info(sc, s, ...)	iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_INFO, s, ##__VA_ARGS__)
127 #define iavf_dbg_vc(sc, s, ...)		iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_VC, s, ##__VA_ARGS__)
128 #define iavf_dbg_filter(sc, s, ...)	iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_FILTER, s, ##__VA_ARGS__)
129 #define iavf_dbg_rss(sc, s, ...)	iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_RSS, s, ##__VA_ARGS__)
130 
131 #endif /* _IAVF_DEBUG_H_ */
132