xref: /linux/include/scsi/scsi_dbg.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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 extern void scsi_print_command(struct scsi_cmnd *);
10 extern size_t __scsi_format_command(char *, size_t,
11 				   const unsigned char *, size_t);
12 extern void scsi_print_sense_hdr(const struct scsi_device *, const char *,
13 				 const struct scsi_sense_hdr *);
14 extern void scsi_print_sense(const struct scsi_cmnd *);
15 extern void __scsi_print_sense(const struct scsi_device *, const char *name,
16 			       const unsigned char *sense_buffer,
17 			       int sense_len);
18 extern void scsi_print_result(const struct scsi_cmnd *, const char *, int);
19 
20 #ifdef CONFIG_SCSI_CONSTANTS
21 extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
22 extern const char *scsi_sense_key_string(unsigned char);
23 extern const char *scsi_extd_sense_format(unsigned char, unsigned char,
24 					  const char **);
25 extern const char *scsi_mlreturn_string(int);
26 extern const char *scsi_hostbyte_string(int);
27 #else
28 static inline bool
29 scsi_opcode_sa_name(int cmd, int sa,
30 		    const char **cdb_name, const char **sa_name)
31 {
32 	*cdb_name = NULL;
33 	switch (cmd) {
34 	case VARIABLE_LENGTH_CMD:
35 	case MAINTENANCE_IN:
36 	case MAINTENANCE_OUT:
37 	case PERSISTENT_RESERVE_IN:
38 	case PERSISTENT_RESERVE_OUT:
39 	case SERVICE_ACTION_IN_12:
40 	case SERVICE_ACTION_OUT_12:
41 	case SERVICE_ACTION_BIDIRECTIONAL:
42 	case SERVICE_ACTION_IN_16:
43 	case SERVICE_ACTION_OUT_16:
44 	case EXTENDED_COPY:
45 	case RECEIVE_COPY_RESULTS:
46 		*sa_name = NULL;
47 		return true;
48 	default:
49 		return false;
50 	}
51 }
52 
53 static inline const char *
54 scsi_sense_key_string(unsigned char key)
55 {
56 	return NULL;
57 }
58 
59 static inline const char *
60 scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
61 {
62 	*fmt = NULL;
63 	return NULL;
64 }
65 
66 static inline const char *
67 scsi_mlreturn_string(int result)
68 {
69 	return NULL;
70 }
71 
72 static inline const char *
73 scsi_hostbyte_string(int result)
74 {
75 	return NULL;
76 }
77 
78 #endif
79 
80 #endif /* _SCSI_SCSI_DBG_H */
81