Release 4.14 arch/um/drivers/mconsole.h

/*
 * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org)
 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#ifndef __MCONSOLE_H__

#define __MCONSOLE_H__

#ifdef __UM_HOST__
#include <stdint.h>

#define u32 uint32_t
#endif

#include <sysdep/ptrace.h>


#define MCONSOLE_MAGIC (0xcafebabe)

#define MCONSOLE_MAX_DATA (512)

#define MCONSOLE_VERSION 2


struct mconsole_request {
	
u32 magic;
	
u32 version;
	
u32 len;
	
char data[MCONSOLE_MAX_DATA];
};


struct mconsole_reply {
	
u32 err;
	
u32 more;
	
u32 len;
	
char data[MCONSOLE_MAX_DATA];
};


struct mconsole_notify {
	
u32 magic;
	
u32 version;
	


enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG,
	       

MCONSOLE_USER_NOTIFY } type;
	
u32 len;
	
char data[MCONSOLE_MAX_DATA];
};

struct mc_request;




enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC };


struct mconsole_command
{
	
char *command;
	
void (*handler)(struct mc_request *req);
	
enum mc_context context;
};


struct mc_request
{
	
int len;
	
int as_interrupt;

	
int originating_fd;
	
unsigned int originlen;
	
unsigned char origin[128];			/* sockaddr_un */

	
struct mconsole_request request;
	
struct mconsole_command *cmd;
	
struct uml_pt_regs regs;
};

extern char mconsole_socket_name[];

extern int mconsole_unlink_socket(void);
extern int mconsole_reply_len(struct mc_request *req, const char *reply,
			      int len, int err, int more);
extern int mconsole_reply(struct mc_request *req, const char *str, int err,
			  int more);

extern void mconsole_version(struct mc_request *req);
extern void mconsole_help(struct mc_request *req);
extern void mconsole_halt(struct mc_request *req);
extern void mconsole_reboot(struct mc_request *req);
extern void mconsole_config(struct mc_request *req);
extern void mconsole_remove(struct mc_request *req);
extern void mconsole_sysrq(struct mc_request *req);
extern void mconsole_cad(struct mc_request *req);
extern void mconsole_stop(struct mc_request *req);
extern void mconsole_go(struct mc_request *req);
extern void mconsole_log(struct mc_request *req);
extern void mconsole_proc(struct mc_request *req);
extern void mconsole_stack(struct mc_request *req);

extern int mconsole_get_request(int fd, struct mc_request *req);
extern int mconsole_notify(char *sock_name, int type, const void *data,
			   int len);
extern char *mconsole_notify_socket(void);
extern void lock_notify(void);
extern void unlock_notify(void);

#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Dike
387
91.06%
9
69.23%
Paolo 'Blaisorblade' Giarrusso
31
7.29%
1
7.69%
Al Viro
4
0.94%
2
15.38%
Richard Weinberger
3
0.71%
1
7.69%
Total
425
100.00%
13
100.00%
Directory: arch/um/drivers

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