text: /*
   * 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
  