drivers/s390/crypto/zcrypt_debug.h

   1 /*
   2  *  Copyright IBM Corp. 2012
   3  *  Author(s): Holger Dengler (hd@linux.vnet.ibm.com)
   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 */