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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org)
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#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
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