LXR linux/drivers/s390/crypto/zcrypt

   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 */
  15static 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
  56int zcrypt_debug_init(void);
  57void zcrypt_debug_exit(void);
  58
  59#endif /* ZCRYPT_DEBUG_H */
  60