Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/um/include/shared/mconsole.h
10819 views
1
/*

2
 * Copyright (C) 2001 Lennert Buytenhek ([email protected])

3
 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.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
#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


100