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zcrypt_debug.h
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1 /*
2  * Copyright IBM Corp. 2012
3  * Author(s): Holger Dengler ([email protected])
4  */
5 #ifndef ZCRYPT_DEBUG_H
6 #define ZCRYPT_DEBUG_H
7 
8 #include <asm/debug.h>
9 #include "zcrypt_api.h"
10 
11 /* that gives us 15 characters in the text event views */
12 #define ZCRYPT_DBF_LEN 16
13 
14 /* sort out low debug levels early to avoid wasted sprints */
15 static inline int zcrypt_dbf_passes(debug_info_t *dbf_grp, int level)
16 {
17  return (level <= dbf_grp->level);
18 }
19 
20 #define DBF_ERR 3 /* error conditions */
21 #define DBF_WARN 4 /* warning conditions */
22 #define DBF_INFO 6 /* informational */
23 
24 #define RC2WARN(rc) ((rc) ? DBF_WARN : DBF_INFO)
25 
26 #define ZCRYPT_DBF_COMMON(level, text...) \
27  do { \
28  if (zcrypt_dbf_passes(zcrypt_dbf_common, level)) { \
29  char debug_buffer[ZCRYPT_DBF_LEN]; \
30  snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
31  debug_text_event(zcrypt_dbf_common, level, \
32  debug_buffer); \
33  } \
34  } while (0)
35 
36 #define ZCRYPT_DBF_DEVICES(level, text...) \
37  do { \
38  if (zcrypt_dbf_passes(zcrypt_dbf_devices, level)) { \
39  char debug_buffer[ZCRYPT_DBF_LEN]; \
40  snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
41  debug_text_event(zcrypt_dbf_devices, level, \
42  debug_buffer); \
43  } \
44  } while (0)
45 
46 #define ZCRYPT_DBF_DEV(level, device, text...) \
47  do { \
48  if (zcrypt_dbf_passes(device->dbf_area, level)) { \
49  char debug_buffer[ZCRYPT_DBF_LEN]; \
50  snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
51  debug_text_event(device->dbf_area, level, \
52  debug_buffer); \
53  } \
54  } while (0)
55 
56 int zcrypt_debug_init(void);
57 void zcrypt_debug_exit(void);
58 
59 #endif /* ZCRYPT_DEBUG_H */