1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/**************************************************************************
*
* Copyright © 2000-2008 Alacritech, Inc. All rights reserved.
*
* $Id: sxgdbg.h,v 1.1 2008/06/27 12:49:28 mook Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of Alacritech, Inc.
*
**************************************************************************/
/*
* FILENAME: sxgdbg.h
*
* All debug and assertion-based definitions and macros are included
* in this file for the SXGOSS driver.
*/
#ifndef _SXG_DEBUG_H_
#define _SXG_DEBUG_H_
#define ATKDBG 1
#define ATK_TRACE_ENABLED 1
#define DBG_ERROR(n, args...) printk(KERN_EMERG n, ##args)
#ifdef ASSERT
#undef ASSERT
#endif
#ifdef SXG_ASSERT_ENABLED
#ifndef ASSERT
#define ASSERT(a) \
{ \
if (!(a)) { \
DBG_ERROR("ASSERT() Failure: file %s, function %s line %d\n",\
__FILE__, __func__, __LINE__); \
} \
}
#endif
#else
#ifndef ASSERT
#define ASSERT(a)
#endif
#endif /* SXG_ASSERT_ENABLED */
#ifdef ATKDBG
/*
* Global for timer granularity; every driver must have an instance
* of this initialized to 0
*/
extern ulong ATKTimerDiv;
/*
* trace_entry_t -
*
* This structure defines an entry in the trace buffer. The
* first few fields mean the same from entry to entry, while
* the meaning of last several fields change to suit the
* needs of the trace entry. Typically they are function call
* parameters.
*/
typedef struct _trace_entry_s {
char name[8]; /* 8 character name - like 's'i'm'b'a'r'c'v' */
u32 time; /* Current clock tic */
unsigned char cpu; /* Current CPU */
unsigned char irql; /* Current IRQL */
unsigned char driver; /* The driver which added the trace call */
unsigned char pad2; /* pad to 4 byte boundary - will probably get used */
u32 arg1; /* Caller arg1 */
u32 arg2; /* Caller arg2 */
u32 arg3; /* Caller arg3 */
u32 arg4; /* Caller arg4 */
} trace_entry_t, *ptrace_entry_t;
/*
* Driver types for driver field in trace_entry_t
*/
#define TRACE_SXG 1
#define TRACE_VPCI 2
#define TRACE_SLIC 3
#define TRACE_ENTRIES 1024
typedef struct _sxg_trace_buffer_t
{
unsigned int size; /* aid for windbg extension */
unsigned int in; /* Where to add */
unsigned int level; /* Current Trace level */
spinlock_t lock; /* For MP tracing */
trace_entry_t entries[TRACE_ENTRIES];/* The circular buffer */
} sxg_trace_buffer_t;
/*
* The trace levels
*
* XXX At the moment I am only defining critical, important, and noisy.
* I am leaving room for more if anyone wants them.
*/
#define TRACE_NONE 0 /* For trace level - if no tracing wanted */
#define TRACE_CRITICAL 1 /* minimal tracing - only critical stuff */
#define TRACE_IMPORTANT 5 /* more tracing - anything important */
#define TRACE_NOISY 10 /* Everything in the world */
/**********************************************************************
*
* The macros themselves -
*
*********************************************************************/
#if ATK_TRACE_ENABLED
#define SXG_TRACE_INIT(buffer, tlevel) \
{ \
memset((buffer), 0, sizeof(sxg_trace_buffer_t)); \
(buffer)->level = (tlevel); \
(buffer)->size = TRACE_ENTRIES; \
spin_lock_init(&(buffer)->lock); \
}
#else
#define SXG_TRACE_INIT(buffer, tlevel)
#endif
/*
* The trace macro. This is active only if ATK_TRACE_ENABLED is set.
*/
#if ATK_TRACE_ENABLED
#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4) { \
if ((buffer) && ((buffer)->level >= (tlevel))) { \
unsigned int trace_irql = 0; /* ?????? FIX THIS */ \
unsigned int trace_len; \
ptrace_entry_t trace_entry; \
struct timeval timev; \
\
spin_lock(&(buffer)->lock); \
trace_entry = &(buffer)->entries[(buffer)->in]; \
do_gettimeofday(&timev); \
\
memset(trace_entry->name, 0, 8); \
trace_len = strlen(tname); \
trace_len = trace_len > 8 ? 8 : trace_len; \
memcpy(trace_entry->name, (tname), trace_len); \
trace_entry->time = timev.tv_usec; \
trace_entry->cpu = (unsigned char)(smp_processor_id() & 0xFF); \
trace_entry->driver = (tdriver); \
trace_entry->irql = trace_irql; \
trace_entry->arg1 = (ulong)(a1); \
trace_entry->arg2 = (ulong)(a2); \
trace_entry->arg3 = (ulong)(a3); \
trace_entry->arg4 = (ulong)(a4); \
\
(buffer)->in++; \
if ((buffer)->in == TRACE_ENTRIES) \
(buffer)->in = 0; \
\
spin_unlock(&(buffer)->lock); \
} \
}
#else
#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4)
#endif
#endif
#endif /* _SXG_DEBUG_H_ */
|
