xref: /openbmc/linux/include/scsi/scsi_dbg.h (revision 82e6fdd6)
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_show_extd_sense(const struct scsi_device *, const char *,
15 				 unsigned char, unsigned char);
16 extern void scsi_print_sense_hdr(const struct scsi_device *, const char *,
17 				 const struct scsi_sense_hdr *);
18 extern void scsi_print_sense(const struct scsi_cmnd *);
19 extern void __scsi_print_sense(const struct scsi_device *, const char *name,
20 			       const unsigned char *sense_buffer,
21 			       int sense_len);
22 extern void scsi_print_result(const struct scsi_cmnd *, const char *, int);
23 
24 #ifdef CONFIG_SCSI_CONSTANTS
25 extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
26 extern const char *scsi_sense_key_string(unsigned char);
27 extern const char *scsi_extd_sense_format(unsigned char, unsigned char,
28 					  const char **);
29 extern const char *scsi_mlreturn_string(int);
30 extern const char *scsi_hostbyte_string(int);
31 extern const char *scsi_driverbyte_string(int);
32 #else
33 static inline bool
34 scsi_opcode_sa_name(int cmd, int sa,
35 		    const char **cdb_name, const char **sa_name)
36 {
37 	*cdb_name = NULL;
38 	switch (cmd) {
39 	case VARIABLE_LENGTH_CMD:
40 	case MAINTENANCE_IN:
41 	case MAINTENANCE_OUT:
42 	case PERSISTENT_RESERVE_IN:
43 	case PERSISTENT_RESERVE_OUT:
44 	case SERVICE_ACTION_IN_12:
45 	case SERVICE_ACTION_OUT_12:
46 	case SERVICE_ACTION_BIDIRECTIONAL:
47 	case SERVICE_ACTION_IN_16:
48 	case SERVICE_ACTION_OUT_16:
49 	case EXTENDED_COPY:
50 	case RECEIVE_COPY_RESULTS:
51 		*sa_name = NULL;
52 		return true;
53 	default:
54 		return false;
55 	}
56 }
57 
58 static inline const char *
59 scsi_sense_key_string(unsigned char key)
60 {
61 	return NULL;
62 }
63 
64 static inline const char *
65 scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
66 {
67 	*fmt = NULL;
68 	return NULL;
69 }
70 
71 static inline const char *
72 scsi_mlreturn_string(int result)
73 {
74 	return NULL;
75 }
76 
77 static inline const char *
78 scsi_hostbyte_string(int result)
79 {
80 	return NULL;
81 }
82 
83 static inline const char *
84 scsi_driverbyte_string(int result)
85 {
86 	return NULL;
87 }
88 
89 #endif
90 
91 #endif /* _SCSI_SCSI_DBG_H */
92