xref: /openbmc/linux/include/scsi/scsi_dbg.h (revision f1575595)
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 */
90