/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org)
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* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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*/
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#ifndef __MCONSOLE_H__
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#define __MCONSOLE_H__
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#ifdef __UM_HOST__
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#include <stdint.h>
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#define u32 uint32_t
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#endif
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#include <sysdep/ptrace.h>
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#define MCONSOLE_MAGIC (0xcafebabe)
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#define MCONSOLE_MAX_DATA (512)
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#define MCONSOLE_VERSION 2
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struct mconsole_request {
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u32 magic;
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u32 version;
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u32 len;
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char data[MCONSOLE_MAX_DATA];
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};
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struct mconsole_reply {
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u32 err;
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u32 more;
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u32 len;
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char data[MCONSOLE_MAX_DATA];
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};
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struct mconsole_notify {
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u32 magic;
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u32 version;
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enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG,
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MCONSOLE_USER_NOTIFY } type;
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u32 len;
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char data[MCONSOLE_MAX_DATA];
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};
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struct mc_request;
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enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC };
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struct mconsole_command
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{
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char *command;
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void (*handler)(struct mc_request *req);
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enum mc_context context;
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};
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struct mc_request
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{
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int len;
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int as_interrupt;
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int originating_fd;
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unsigned int originlen;
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unsigned char origin[128]; /* sockaddr_un */
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struct mconsole_request request;
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struct mconsole_command *cmd;
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struct uml_pt_regs regs;
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};
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extern char mconsole_socket_name[];
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extern int mconsole_unlink_socket(void);
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extern int mconsole_reply_len(struct mc_request *req, const char *reply,
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int len, int err, int more);
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extern int mconsole_reply(struct mc_request *req, const char *str, int err,
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int more);
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extern void mconsole_version(struct mc_request *req);
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extern void mconsole_help(struct mc_request *req);
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extern void mconsole_halt(struct mc_request *req);
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extern void mconsole_reboot(struct mc_request *req);
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extern void mconsole_config(struct mc_request *req);
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extern void mconsole_remove(struct mc_request *req);
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extern void mconsole_sysrq(struct mc_request *req);
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extern void mconsole_cad(struct mc_request *req);
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extern void mconsole_stop(struct mc_request *req);
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extern void mconsole_go(struct mc_request *req);
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extern void mconsole_log(struct mc_request *req);
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extern void mconsole_proc(struct mc_request *req);
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extern void mconsole_stack(struct mc_request *req);
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extern int mconsole_get_request(int fd, struct mc_request *req);
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extern int mconsole_notify(char *sock_name, int type, const void *data,
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int len);
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extern char *mconsole_notify_socket(void);
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extern void lock_notify(void);
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extern void unlock_notify(void);
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#endif
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