xref: /linux/arch/alpha/kernel/err_impl.h (revision cbac924200b838cfb8d8b1415113d788089dc50b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *	linux/arch/alpha/kernel/err_impl.h
4  *
5  *	Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
6  *
7  *	Contains declarations and macros to support Alpha error handling
8  * 	implementations.
9  */
10 
11 #include <asm/mce.h>
12 
13 union el_timestamp;
14 struct el_subpacket;
15 struct ev7_lf_subpackets;
16 
17 struct el_subpacket_annotation {
18 	struct el_subpacket_annotation *next;
19 	u16 class;
20 	u16 type;
21 	u16 revision;
22 	char *description;
23 	char **annotation;
24 };
25 #define SUBPACKET_ANNOTATION(c, t, r, d, a) {NULL, (c), (t), (r), (d), (a)}
26 
27 struct el_subpacket_handler {
28 	struct el_subpacket_handler *next;
29 	u16 class;
30 	struct el_subpacket *(*handler)(struct el_subpacket *);
31 };
32 #define SUBPACKET_HANDLER_INIT(c, h) {NULL, (c), (h)}
33 
34 /*
35  * Manipulate a field from a register given it's name. defines
36  * for the LSB (__S - shift count) and bitmask (__M) are required
37  *
38  * EXTRACT(u, f) - extracts the field and places it at bit position 0
39  * GEN_MASK(f) - creates an in-position mask for the field
40  */
41 #define EXTRACT(u, f) (((u) >> f##__S) & f##__M)
42 #define GEN_MASK(f) ((u64)f##__M << f##__S)
43 
44 /*
45  * err_common.c
46  */
47 extern char *err_print_prefix;
48 
49 extern void mchk_dump_mem(void *, size_t, char **);
50 extern void mchk_dump_logout_frame(struct el_common *);
51 extern void el_print_timestamp(union el_timestamp *);
52 extern void el_process_subpackets(struct el_subpacket *, int);
53 extern struct el_subpacket *el_process_subpacket(struct el_subpacket *);
54 extern void el_annotate_subpacket(struct el_subpacket *);
55 extern void cdl_check_console_data_log(void);
56 extern int cdl_register_subpacket_annotation(struct el_subpacket_annotation *);
57 extern int cdl_register_subpacket_handler(struct el_subpacket_handler *);
58 
59 /*
60  * err_ev7.c
61  */
62 extern struct ev7_lf_subpackets *
63 ev7_collect_logout_frame_subpackets(struct el_subpacket *,
64 				    struct ev7_lf_subpackets *);
65 extern void ev7_register_error_handlers(void);
66 extern void ev7_machine_check(unsigned long, unsigned long);
67 
68 /*
69  * err_ev6.c
70  */
71 extern void ev6_register_error_handlers(void);
72 extern int ev6_process_logout_frame(struct el_common *, int);
73 extern void ev6_machine_check(unsigned long, unsigned long);
74 
75 /*
76  * err_marvel.c
77  */
78 extern void marvel_machine_check(unsigned long, unsigned long);
79 extern void marvel_register_error_handlers(void);
80 
81 /*
82  * err_titan.c
83  */
84 extern int titan_process_logout_frame(struct el_common *, int);
85 extern void titan_machine_check(unsigned long, unsigned long);
86 extern void titan_register_error_handlers(void);
87 extern int privateer_process_logout_frame(struct el_common *, int);
88 extern void privateer_machine_check(unsigned long, unsigned long);
89