162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) 462306a36Sopenharmony_ci * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#ifndef __MCONSOLE_H__ 862306a36Sopenharmony_ci#define __MCONSOLE_H__ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#ifdef __UM_HOST__ 1162306a36Sopenharmony_ci#include <stdint.h> 1262306a36Sopenharmony_ci#define u32 uint32_t 1362306a36Sopenharmony_ci#endif 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include <sysdep/ptrace.h> 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#define MCONSOLE_MAGIC (0xcafebabe) 1862306a36Sopenharmony_ci#define MCONSOLE_MAX_DATA (512) 1962306a36Sopenharmony_ci#define MCONSOLE_VERSION 2 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistruct mconsole_request { 2262306a36Sopenharmony_ci u32 magic; 2362306a36Sopenharmony_ci u32 version; 2462306a36Sopenharmony_ci u32 len; 2562306a36Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 2662306a36Sopenharmony_ci}; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cistruct mconsole_reply { 2962306a36Sopenharmony_ci u32 err; 3062306a36Sopenharmony_ci u32 more; 3162306a36Sopenharmony_ci u32 len; 3262306a36Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 3362306a36Sopenharmony_ci}; 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_cistruct mconsole_notify { 3662306a36Sopenharmony_ci u32 magic; 3762306a36Sopenharmony_ci u32 version; 3862306a36Sopenharmony_ci enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG, 3962306a36Sopenharmony_ci MCONSOLE_USER_NOTIFY } type; 4062306a36Sopenharmony_ci u32 len; 4162306a36Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 4262306a36Sopenharmony_ci}; 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_cistruct mc_request; 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_cienum mc_context { MCONSOLE_INTR, MCONSOLE_PROC }; 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_cistruct mconsole_command 4962306a36Sopenharmony_ci{ 5062306a36Sopenharmony_ci char *command; 5162306a36Sopenharmony_ci void (*handler)(struct mc_request *req); 5262306a36Sopenharmony_ci enum mc_context context; 5362306a36Sopenharmony_ci}; 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_cistruct mc_request 5662306a36Sopenharmony_ci{ 5762306a36Sopenharmony_ci int len; 5862306a36Sopenharmony_ci int as_interrupt; 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ci int originating_fd; 6162306a36Sopenharmony_ci unsigned int originlen; 6262306a36Sopenharmony_ci unsigned char origin[128]; /* sockaddr_un */ 6362306a36Sopenharmony_ci 6462306a36Sopenharmony_ci struct mconsole_request request; 6562306a36Sopenharmony_ci struct mconsole_command *cmd; 6662306a36Sopenharmony_ci struct uml_pt_regs regs; 6762306a36Sopenharmony_ci}; 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_ciextern char mconsole_socket_name[]; 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_ciextern int mconsole_unlink_socket(void); 7262306a36Sopenharmony_ciextern int mconsole_reply_len(struct mc_request *req, const char *reply, 7362306a36Sopenharmony_ci int len, int err, int more); 7462306a36Sopenharmony_ciextern int mconsole_reply(struct mc_request *req, const char *str, int err, 7562306a36Sopenharmony_ci int more); 7662306a36Sopenharmony_ci 7762306a36Sopenharmony_ciextern void mconsole_version(struct mc_request *req); 7862306a36Sopenharmony_ciextern void mconsole_help(struct mc_request *req); 7962306a36Sopenharmony_ciextern void mconsole_halt(struct mc_request *req); 8062306a36Sopenharmony_ciextern void mconsole_reboot(struct mc_request *req); 8162306a36Sopenharmony_ciextern void mconsole_config(struct mc_request *req); 8262306a36Sopenharmony_ciextern void mconsole_remove(struct mc_request *req); 8362306a36Sopenharmony_ciextern void mconsole_sysrq(struct mc_request *req); 8462306a36Sopenharmony_ciextern void mconsole_cad(struct mc_request *req); 8562306a36Sopenharmony_ciextern void mconsole_stop(struct mc_request *req); 8662306a36Sopenharmony_ciextern void mconsole_go(struct mc_request *req); 8762306a36Sopenharmony_ciextern void mconsole_log(struct mc_request *req); 8862306a36Sopenharmony_ciextern void mconsole_proc(struct mc_request *req); 8962306a36Sopenharmony_ciextern void mconsole_stack(struct mc_request *req); 9062306a36Sopenharmony_ci 9162306a36Sopenharmony_ciextern int mconsole_get_request(int fd, struct mc_request *req); 9262306a36Sopenharmony_ciextern int mconsole_notify(char *sock_name, int type, const void *data, 9362306a36Sopenharmony_ci int len); 9462306a36Sopenharmony_ciextern char *mconsole_notify_socket(void); 9562306a36Sopenharmony_ciextern void lock_notify(void); 9662306a36Sopenharmony_ciextern void unlock_notify(void); 9762306a36Sopenharmony_ci 9862306a36Sopenharmony_ci#endif 99