include/scsi/scsi_dbg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _SCSI_SCSI_DBG_H
   3 #define _SCSI_SCSI_DBG_H
   4
   5 struct scsi_cmnd;
   6 struct scsi_device;
   7 struct scsi_sense_hdr;
   8
   9 #define SCSI_LOG_BUFSIZE 128
  10
  11 extern void scsi_print_command(struct scsi_cmnd *);
  12 extern size_t __scsi_format_command(char *, size_t,
  13                                    const unsigned char *, size_t);
  14 extern void scsi_print_sense_hdr(const struct scsi_device *, const char *,
  15                                  const struct scsi_sense_hdr *);
  16 extern void scsi_print_sense(const struct scsi_cmnd *);
  17 extern void __scsi_print_sense(const struct scsi_device *, const char *name,
  18                                const unsigned char *sense_buffer,
  19                                int sense_len);
  20 extern void scsi_print_result(const struct scsi_cmnd *, const char *, int);
  21
  22 #ifdef CONFIG_SCSI_CONSTANTS
  23 extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
  24 extern const char *scsi_sense_key_string(unsigned char);
  25 extern const char *scsi_extd_sense_format(unsigned char, unsigned char,
  26                                           const char **);
  27 extern const char *scsi_mlreturn_string(int);
  28 extern const char *scsi_hostbyte_string(int);
  29 extern const char *scsi_driverbyte_string(int);
  30 #else
  31 static inline bool
  32 scsi_opcode_sa_name(int cmd, int sa,
  33                     const char **cdb_name, const char **sa_name)
  34 {
  35         *cdb_name = NULL;
  36         switch (cmd) {
  37         case VARIABLE_LENGTH_CMD:
  38         case MAINTENANCE_IN:
  39         case MAINTENANCE_OUT:
  40         case PERSISTENT_RESERVE_IN:
  41         case PERSISTENT_RESERVE_OUT:
  42         case SERVICE_ACTION_IN_12:
  43         case SERVICE_ACTION_OUT_12:
  44         case SERVICE_ACTION_BIDIRECTIONAL:
  45         case SERVICE_ACTION_IN_16:
  46         case SERVICE_ACTION_OUT_16:
  47         case EXTENDED_COPY:
  48         case RECEIVE_COPY_RESULTS:
  49                 *sa_name = NULL;
  50                 return true;
  51         default:
  52                 return false;
  53         }
  54 }
  55
  56 static inline const char *
  57 scsi_sense_key_string(unsigned char key)
  58 {
  59         return NULL;
  60 }
  61
  62 static inline const char *
  63 scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
  64 {
  65         *fmt = NULL;
  66         return NULL;
  67 }
  68
  69 static inline const char *
  70 scsi_mlreturn_string(int result)
  71 {
  72         return NULL;
  73 }
  74
  75 static inline const char *
  76 scsi_hostbyte_string(int result)
  77 {
  78         return NULL;
  79 }
  80
  81 static inline const char *
  82 scsi_driverbyte_string(int result)
  83 {
  84         return NULL;
  85 }
  86
  87 #endif
  88
  89 #endif /* _SCSI_SCSI_DBG_H */