1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) |
4 | * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
5 | */ |
6 | |
7 | #ifndef __MCONSOLE_H__ |
8 | #define __MCONSOLE_H__ |
9 | |
10 | #ifdef __UM_HOST__ |
11 | #include <stdint.h> |
12 | #define u32 uint32_t |
13 | #endif |
14 | |
15 | #include <sysdep/ptrace.h> |
16 | |
17 | #define MCONSOLE_MAGIC (0xcafebabe) |
18 | #define MCONSOLE_MAX_DATA (512) |
19 | #define MCONSOLE_VERSION 2 |
20 | |
21 | struct mconsole_request { |
22 | u32 magic; |
23 | u32 version; |
24 | u32 len; |
25 | char data[MCONSOLE_MAX_DATA]; |
26 | }; |
27 | |
28 | struct mconsole_reply { |
29 | u32 err; |
30 | u32 more; |
31 | u32 len; |
32 | char data[MCONSOLE_MAX_DATA]; |
33 | }; |
34 | |
35 | struct mconsole_notify { |
36 | u32 magic; |
37 | u32 version; |
38 | enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG, |
39 | MCONSOLE_USER_NOTIFY } type; |
40 | u32 len; |
41 | char data[MCONSOLE_MAX_DATA]; |
42 | }; |
43 | |
44 | struct mc_request; |
45 | |
46 | enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC }; |
47 | |
48 | struct mconsole_command |
49 | { |
50 | char *command; |
51 | void (*handler)(struct mc_request *req); |
52 | enum mc_context context; |
53 | }; |
54 | |
55 | struct mc_request |
56 | { |
57 | int len; |
58 | int as_interrupt; |
59 | |
60 | int originating_fd; |
61 | unsigned int originlen; |
62 | unsigned char origin[128]; /* sockaddr_un */ |
63 | |
64 | struct mconsole_request request; |
65 | struct mconsole_command *cmd; |
66 | struct uml_pt_regs regs; |
67 | }; |
68 | |
69 | extern char mconsole_socket_name[]; |
70 | |
71 | extern int mconsole_unlink_socket(void); |
72 | extern int mconsole_reply_len(struct mc_request *req, const char *reply, |
73 | int len, int err, int more); |
74 | extern int mconsole_reply(struct mc_request *req, const char *str, int err, |
75 | int more); |
76 | |
77 | extern void mconsole_version(struct mc_request *req); |
78 | extern void mconsole_help(struct mc_request *req); |
79 | extern void mconsole_halt(struct mc_request *req); |
80 | extern void mconsole_reboot(struct mc_request *req); |
81 | extern void mconsole_config(struct mc_request *req); |
82 | extern void mconsole_remove(struct mc_request *req); |
83 | extern void mconsole_sysrq(struct mc_request *req); |
84 | extern void mconsole_cad(struct mc_request *req); |
85 | extern void mconsole_stop(struct mc_request *req); |
86 | extern void mconsole_go(struct mc_request *req); |
87 | extern void mconsole_log(struct mc_request *req); |
88 | extern void mconsole_proc(struct mc_request *req); |
89 | extern void mconsole_stack(struct mc_request *req); |
90 | |
91 | extern int mconsole_get_request(int fd, struct mc_request *req); |
92 | extern int mconsole_notify(char *sock_name, int type, const void *data, |
93 | int len); |
94 | extern char *mconsole_notify_socket(void); |
95 | extern void lock_notify(void); |
96 | extern void unlock_notify(void); |
97 | |
98 | #endif |
99 | |