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1da177e4 LT |
1 | /* |
2 | * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) | |
3 | * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) | |
4 | * Licensed under the GPL | |
5 | */ | |
6 | ||
7 | #ifndef __MCONSOLE_H__ | |
8 | #define __MCONSOLE_H__ | |
9 | ||
10 | #ifndef __KERNEL__ | |
11 | #include <stdint.h> | |
12 | #define u32 uint32_t | |
13 | #endif | |
14 | ||
15 | #define MCONSOLE_MAGIC (0xcafebabe) | |
16 | #define MCONSOLE_MAX_DATA (512) | |
17 | #define MCONSOLE_VERSION 2 | |
18 | ||
19 | struct mconsole_request { | |
20 | u32 magic; | |
21 | u32 version; | |
22 | u32 len; | |
23 | char data[MCONSOLE_MAX_DATA]; | |
24 | }; | |
25 | ||
26 | struct mconsole_reply { | |
27 | u32 err; | |
28 | u32 more; | |
29 | u32 len; | |
30 | char data[MCONSOLE_MAX_DATA]; | |
31 | }; | |
32 | ||
33 | struct mconsole_notify { | |
34 | u32 magic; | |
7b033e1f | 35 | u32 version; |
1da177e4 LT |
36 | enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG, |
37 | MCONSOLE_USER_NOTIFY } type; | |
38 | u32 len; | |
39 | char data[MCONSOLE_MAX_DATA]; | |
40 | }; | |
41 | ||
42 | struct mc_request; | |
43 | ||
44 | enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC }; | |
45 | ||
46 | struct mconsole_command | |
47 | { | |
48 | char *command; | |
49 | void (*handler)(struct mc_request *req); | |
50 | enum mc_context context; | |
51 | }; | |
52 | ||
53 | struct mc_request | |
54 | { | |
55 | int len; | |
56 | int as_interrupt; | |
57 | ||
58 | int originating_fd; | |
da00d9a5 | 59 | unsigned int originlen; |
1da177e4 LT |
60 | unsigned char origin[128]; /* sockaddr_un */ |
61 | ||
62 | struct mconsole_request request; | |
63 | struct mconsole_command *cmd; | |
3a51237d | 64 | union uml_pt_regs regs; |
1da177e4 LT |
65 | }; |
66 | ||
67 | extern char mconsole_socket_name[]; | |
68 | ||
69 | extern int mconsole_unlink_socket(void); | |
7b033e1f JD |
70 | extern int mconsole_reply_len(struct mc_request *req, const char *reply, |
71 | int len, int err, int more); | |
72 | extern int mconsole_reply(struct mc_request *req, const char *str, int err, | |
1da177e4 LT |
73 | int more); |
74 | ||
75 | extern void mconsole_version(struct mc_request *req); | |
76 | extern void mconsole_help(struct mc_request *req); | |
77 | extern void mconsole_halt(struct mc_request *req); | |
78 | extern void mconsole_reboot(struct mc_request *req); | |
79 | extern void mconsole_config(struct mc_request *req); | |
80 | extern void mconsole_remove(struct mc_request *req); | |
81 | extern void mconsole_sysrq(struct mc_request *req); | |
82 | extern void mconsole_cad(struct mc_request *req); | |
83 | extern void mconsole_stop(struct mc_request *req); | |
84 | extern void mconsole_go(struct mc_request *req); | |
85 | extern void mconsole_log(struct mc_request *req); | |
86 | extern void mconsole_proc(struct mc_request *req); | |
3eddddcf | 87 | extern void mconsole_stack(struct mc_request *req); |
1da177e4 LT |
88 | |
89 | extern int mconsole_get_request(int fd, struct mc_request *req); | |
7b033e1f | 90 | extern int mconsole_notify(char *sock_name, int type, const void *data, |
1da177e4 LT |
91 | int len); |
92 | extern char *mconsole_notify_socket(void); | |
93 | extern void lock_notify(void); | |
94 | extern void unlock_notify(void); | |
95 | ||
96 | #endif | |
97 | ||
98 | /* | |
99 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
100 | * Emacs will notice this stuff at the end of the file and automatically | |
101 | * adjust the settings for this buffer only. This must remain at the end | |
102 | * of the file. | |
103 | * --------------------------------------------------------------------------- | |
104 | * Local variables: | |
105 | * c-file-style: "linux" | |
106 | * End: | |
107 | */ |