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review.evervolv.com / android_kernel_htc_msm8960 / f2802e7f571c05f9a901b1f5bd144aa730ccc88e / . / arch / um / include / mconsole.h
blob: 58f67d3911052de522e01fb053edf2cbedd33549 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
19struct mconsole_request {
20 u32 magic;
21 u32 version;
22 u32 len;
23 char data[MCONSOLE_MAX_DATA];
24};
25
26struct mconsole_reply {
27 u32 err;
28 u32 more;
29 u32 len;
30 char data[MCONSOLE_MAX_DATA];
31};
32
33struct mconsole_notify {
34 u32 magic;
Jeff Dike7b033e12006-01-06 00:19:03 -0800[diff] [blame]35 u32 version;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36 enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG,
37 MCONSOLE_USER_NOTIFY } type;
38 u32 len;
39 char data[MCONSOLE_MAX_DATA];
40};
41
42struct mc_request;
43
44enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC };
45
46struct mconsole_command
47{
48 char *command;
49 void (*handler)(struct mc_request *req);
50 enum mc_context context;
51};
52
53struct mc_request
54{
55 int len;
56 int as_interrupt;
57
58 int originating_fd;
Jeff Dikeda00d9a2005-06-08 15:48:01 -0700[diff] [blame]59 unsigned int originlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]60 unsigned char origin[128]; /* sockaddr_un */
61
62 struct mconsole_request request;
63 struct mconsole_command *cmd;
64};
65
66extern char mconsole_socket_name[];
67
68extern int mconsole_unlink_socket(void);
Jeff Dike7b033e12006-01-06 00:19:03 -0800[diff] [blame]69extern int mconsole_reply_len(struct mc_request *req, const char *reply,
70 int len, int err, int more);
71extern int mconsole_reply(struct mc_request *req, const char *str, int err,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]72 int more);
73
74extern void mconsole_version(struct mc_request *req);
75extern void mconsole_help(struct mc_request *req);
76extern void mconsole_halt(struct mc_request *req);
77extern void mconsole_reboot(struct mc_request *req);
78extern void mconsole_config(struct mc_request *req);
79extern void mconsole_remove(struct mc_request *req);
80extern void mconsole_sysrq(struct mc_request *req);
81extern void mconsole_cad(struct mc_request *req);
82extern void mconsole_stop(struct mc_request *req);
83extern void mconsole_go(struct mc_request *req);
84extern void mconsole_log(struct mc_request *req);
85extern void mconsole_proc(struct mc_request *req);
Jeff Dike3eddddc2005-09-16 19:27:46 -0700[diff] [blame]86extern void mconsole_stack(struct mc_request *req);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]87
88extern int mconsole_get_request(int fd, struct mc_request *req);
Jeff Dike7b033e12006-01-06 00:19:03 -0800[diff] [blame]89extern int mconsole_notify(char *sock_name, int type, const void *data,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]90 int len);
91extern char *mconsole_notify_socket(void);
92extern void lock_notify(void);
93extern void unlock_notify(void);
94
95#endif
96
97/*
98 * Overrides for Emacs so that we follow Linus's tabbing style.
99 * Emacs will notice this stuff at the end of the file and automatically
100 * adjust the settings for this buffer only. This must remain at the end
101 * of the file.
102 * ---------------------------------------------------------------------------
103 * Local variables:
104 * c-file-style: "linux"
105 * End:
106 */