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

source code of linux/include/scsi/scsi_dbg.h