Linus Torvalds | 1da177e | 2005-04-16 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 | |
| 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; |
| 35 | u32 version; |
| 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; |
Jeff Dike | da00d9a | 2005-06-08 15:48:01 -0700 | [diff] [blame] | 59 | unsigned int originlen; |
Linus Torvalds | 1da177e | 2005-04-16 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 | |
| 66 | extern char mconsole_socket_name[]; |
| 67 | |
| 68 | extern int mconsole_unlink_socket(void); |
| 69 | extern int mconsole_reply(struct mc_request *req, char *reply, int err, |
| 70 | int more); |
| 71 | |
| 72 | extern void mconsole_version(struct mc_request *req); |
| 73 | extern void mconsole_help(struct mc_request *req); |
| 74 | extern void mconsole_halt(struct mc_request *req); |
| 75 | extern void mconsole_reboot(struct mc_request *req); |
| 76 | extern void mconsole_config(struct mc_request *req); |
| 77 | extern void mconsole_remove(struct mc_request *req); |
| 78 | extern void mconsole_sysrq(struct mc_request *req); |
| 79 | extern void mconsole_cad(struct mc_request *req); |
| 80 | extern void mconsole_stop(struct mc_request *req); |
| 81 | extern void mconsole_go(struct mc_request *req); |
| 82 | extern void mconsole_log(struct mc_request *req); |
| 83 | extern void mconsole_proc(struct mc_request *req); |
| 84 | |
| 85 | extern int mconsole_get_request(int fd, struct mc_request *req); |
| 86 | extern int mconsole_notify(char *sock_name, int type, const void *data, |
| 87 | int len); |
| 88 | extern char *mconsole_notify_socket(void); |
| 89 | extern void lock_notify(void); |
| 90 | extern void unlock_notify(void); |
| 91 | |
| 92 | #endif |
| 93 | |
| 94 | /* |
| 95 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 96 | * Emacs will notice this stuff at the end of the file and automatically |
| 97 | * adjust the settings for this buffer only. This must remain at the end |
| 98 | * of the file. |
| 99 | * --------------------------------------------------------------------------- |
| 100 | * Local variables: |
| 101 | * c-file-style: "linux" |
| 102 | * End: |
| 103 | */ |