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-rw-r--r--drivers/char/ftape/lowlevel/ftape-tracing.h179
1 files changed, 0 insertions, 179 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-tracing.h b/drivers/char/ftape/lowlevel/ftape-tracing.h
deleted file mode 100644
index 2950810c7085..000000000000
--- a/drivers/char/ftape/lowlevel/ftape-tracing.h
+++ /dev/null
@@ -1,179 +0,0 @@
1#ifndef _FTAPE_TRACING_H
2#define _FTAPE_TRACING_H
3
4/*
5 * Copyright (C) 1994-1996 Bas Laarhoven,
6 * (C) 1996-1997 Claus-Justus Heine.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING. If not, write to
20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21
22 *
23 * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-tracing.h,v $
24 * $Revision: 1.2 $
25 * $Date: 1997/10/05 19:18:28 $
26 *
27 * This file contains definitions that eases the debugging of the
28 * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux.
29 */
30
31#include <linux/kernel.h>
32
33/*
34 * Be very careful with TRACE_EXIT and TRACE_ABORT.
35 *
36 * if (something) TRACE_EXIT error;
37 *
38 * will NOT work. Use
39 *
40 * if (something) {
41 * TRACE_EXIT error;
42 * }
43 *
44 * instead. Maybe a bit dangerous, but save lots of lines of code.
45 */
46
47#define LL_X "%d/%d KB"
48#define LL(x) (unsigned int)((__u64)(x)>>10), (unsigned int)((x)&1023)
49
50typedef enum {
51 ft_t_nil = -1,
52 ft_t_bug,
53 ft_t_err,
54 ft_t_warn,
55 ft_t_info,
56 ft_t_noise,
57 ft_t_flow,
58 ft_t_fdc_dma,
59 ft_t_data_flow,
60 ft_t_any
61} ft_trace_t;
62
63#ifdef CONFIG_FT_NO_TRACE_AT_ALL
64/* the compiler will optimize away most TRACE() macros
65 */
66#define FT_TRACE_TOP_LEVEL ft_t_bug
67#define TRACE_FUN(level) do {} while(0)
68#define TRACE_EXIT return
69#define TRACE(l, m, i...) \
70{ \
71 if ((ft_trace_t)(l) == FT_TRACE_TOP_LEVEL) { \
72 printk(KERN_INFO"ftape%s(%s):\n" \
73 KERN_INFO m".\n" ,__FILE__, __FUNCTION__ , ##i); \
74 } \
75}
76#define SET_TRACE_LEVEL(l) if ((l) == (l)) do {} while(0)
77#define TRACE_LEVEL FT_TRACE_TOP_LEVEL
78
79#else
80
81#ifdef CONFIG_FT_NO_TRACE
82/* the compiler will optimize away many TRACE() macros
83 * the ftape_simple_trace_call() function simply increments
84 * the function nest level.
85 */
86#define FT_TRACE_TOP_LEVEL ft_t_warn
87#define TRACE_FUN(level) ftape_function_nest_level++
88#define TRACE_EXIT ftape_function_nest_level--; return
89
90#else
91#ifdef CONFIG_FT_FULL_DEBUG
92#define FT_TRACE_TOP_LEVEL ft_t_any
93#else
94#define FT_TRACE_TOP_LEVEL ft_t_flow
95#endif
96#define TRACE_FUN(level) \
97 const ft_trace_t _tracing = level; \
98 if (ftape_tracing >= (ft_trace_t)(level) && \
99 (ft_trace_t)(level) <= FT_TRACE_TOP_LEVEL) \
100 ftape_trace_call(__FILE__, __FUNCTION__); \
101 ftape_function_nest_level ++;
102
103#define TRACE_EXIT \
104 --ftape_function_nest_level; \
105 if (ftape_tracing >= (ft_trace_t)(_tracing) && \
106 (ft_trace_t)(_tracing) <= FT_TRACE_TOP_LEVEL) \
107 ftape_trace_exit(__FILE__, __FUNCTION__); \
108 return
109
110#endif
111
112#define TRACE(l, m, i...) \
113{ \
114 if (ftape_tracing >= (ft_trace_t)(l) && \
115 (ft_trace_t)(l) <= FT_TRACE_TOP_LEVEL) { \
116 ftape_trace_log(__FILE__, __FUNCTION__); \
117 printk(m".\n" ,##i); \
118 } \
119}
120
121#define SET_TRACE_LEVEL(l) \
122{ \
123 if ((ft_trace_t)(l) <= FT_TRACE_TOP_LEVEL) { \
124 ftape_tracing = (ft_trace_t)(l); \
125 } else { \
126 ftape_tracing = FT_TRACE_TOP_LEVEL; \
127 } \
128}
129#define TRACE_LEVEL \
130((ftape_tracing <= FT_TRACE_TOP_LEVEL) ? ftape_tracing : FT_TRACE_TOP_LEVEL)
131
132
133/* Global variables declared in tracing.c
134 */
135extern ft_trace_t ftape_tracing; /* sets default level */
136extern int ftape_function_nest_level;
137
138/* Global functions declared in tracing.c
139 */
140extern void ftape_trace_call(const char *file, const char *name);
141extern void ftape_trace_exit(const char *file, const char *name);
142extern void ftape_trace_log (const char *file, const char *name);
143
144#endif /* !defined(CONFIG_FT_NO_TRACE_AT_ALL) */
145
146/*
147 * Abort with a message.
148 */
149#define TRACE_ABORT(res, i...) \
150{ \
151 TRACE(i); \
152 TRACE_EXIT res; \
153}
154
155/* The following transforms the common "if(result < 0) ... " into a
156 * one-liner.
157 */
158#define _TRACE_CATCH(level, fun, action) \
159{ \
160 int _res = (fun); \
161 if (_res < 0) { \
162 do { action /* */ ; } while(0); \
163 TRACE_ABORT(_res, level, "%s failed: %d", #fun, _res); \
164 } \
165}
166
167#define TRACE_CATCH(fun, fail) _TRACE_CATCH(ft_t_err, fun, fail)
168
169/* Abort the current function when signalled. This doesn't belong here,
170 * but rather into ftape-rw.h (maybe)
171 */
172#define FT_SIGNAL_EXIT(sig_mask) \
173 if (sigtestsetmask(&current->pending.signal, sig_mask)) { \
174 TRACE_ABORT(-EINTR, \
175 ft_t_warn, \
176 "interrupted by non-blockable signal"); \
177 }
178
179#endif /* _FTAPE_TRACING_H */
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