xref: /linux/include/scsi/scsi_dbg.h (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1 #ifndef _SCSI_SCSI_DBG_H
2 #define _SCSI_SCSI_DBG_H
3 
4 struct scsi_cmnd;
5 struct scsi_device;
6 struct scsi_sense_hdr;
7 
8 #define SCSI_LOG_BUFSIZE 128
9 
10 extern void scsi_print_command(struct scsi_cmnd *);
11 extern size_t __scsi_format_command(char *, size_t,
12 				   const unsigned char *, size_t);
13 extern void scsi_show_extd_sense(const struct scsi_device *, const char *,
14 				 unsigned char, unsigned char);
15 extern void scsi_print_sense_hdr(const struct scsi_device *, const char *,
16 				 const struct scsi_sense_hdr *);
17 extern void scsi_print_sense(const struct scsi_cmnd *);
18 extern void __scsi_print_sense(const struct scsi_device *, const char *name,
19 			       const unsigned char *sense_buffer,
20 			       int sense_len);
21 extern void scsi_print_result(const struct scsi_cmnd *, const char *, int);
22 
23 #ifdef CONFIG_SCSI_CONSTANTS
24 extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
25 extern const char *scsi_sense_key_string(unsigned char);
26 extern const char *scsi_extd_sense_format(unsigned char, unsigned char,
27 					  const char **);
28 extern const char *scsi_mlreturn_string(int);
29 extern const char *scsi_hostbyte_string(int);
30 extern const char *scsi_driverbyte_string(int);
31 #else
32 static inline bool
33 scsi_opcode_sa_name(int cmd, int sa,
34 		    const char **cdb_name, const char **sa_name)
35 {
36 	*cdb_name = NULL;
37 	switch (cmd) {
38 	case VARIABLE_LENGTH_CMD:
39 	case MAINTENANCE_IN:
40 	case MAINTENANCE_OUT:
41 	case PERSISTENT_RESERVE_IN:
42 	case PERSISTENT_RESERVE_OUT:
43 	case SERVICE_ACTION_IN_12:
44 	case SERVICE_ACTION_OUT_12:
45 	case SERVICE_ACTION_BIDIRECTIONAL:
46 	case SERVICE_ACTION_IN_16:
47 	case SERVICE_ACTION_OUT_16:
48 	case EXTENDED_COPY:
49 	case RECEIVE_COPY_RESULTS:
50 		*sa_name = NULL;
51 		return true;
52 	default:
53 		return false;
54 	}
55 }
56 
57 static inline const char *
58 scsi_sense_key_string(unsigned char key)
59 {
60 	return NULL;
61 }
62 
63 static inline const char *
64 scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
65 {
66 	*fmt = NULL;
67 	return NULL;
68 }
69 
70 static inline const char *
71 scsi_mlreturn_string(int result)
72 {
73 	return NULL;
74 }
75 
76 static inline const char *
77 scsi_hostbyte_string(int result)
78 {
79 	return NULL;
80 }
81 
82 static inline const char *
83 scsi_driverbyte_string(int result)
84 {
85 	return NULL;
86 }
87 
88 #endif
89 
90 #endif /* _SCSI_SCSI_DBG_H */
91