18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) 48c2ecf20Sopenharmony_ci * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 58c2ecf20Sopenharmony_ci */ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#ifndef __MCONSOLE_H__ 88c2ecf20Sopenharmony_ci#define __MCONSOLE_H__ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#ifdef __UM_HOST__ 118c2ecf20Sopenharmony_ci#include <stdint.h> 128c2ecf20Sopenharmony_ci#define u32 uint32_t 138c2ecf20Sopenharmony_ci#endif 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#include <sysdep/ptrace.h> 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci#define MCONSOLE_MAGIC (0xcafebabe) 188c2ecf20Sopenharmony_ci#define MCONSOLE_MAX_DATA (512) 198c2ecf20Sopenharmony_ci#define MCONSOLE_VERSION 2 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_cistruct mconsole_request { 228c2ecf20Sopenharmony_ci u32 magic; 238c2ecf20Sopenharmony_ci u32 version; 248c2ecf20Sopenharmony_ci u32 len; 258c2ecf20Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 268c2ecf20Sopenharmony_ci}; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_cistruct mconsole_reply { 298c2ecf20Sopenharmony_ci u32 err; 308c2ecf20Sopenharmony_ci u32 more; 318c2ecf20Sopenharmony_ci u32 len; 328c2ecf20Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 338c2ecf20Sopenharmony_ci}; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_cistruct mconsole_notify { 368c2ecf20Sopenharmony_ci u32 magic; 378c2ecf20Sopenharmony_ci u32 version; 388c2ecf20Sopenharmony_ci enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG, 398c2ecf20Sopenharmony_ci MCONSOLE_USER_NOTIFY } type; 408c2ecf20Sopenharmony_ci u32 len; 418c2ecf20Sopenharmony_ci char data[MCONSOLE_MAX_DATA]; 428c2ecf20Sopenharmony_ci}; 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_cistruct mc_request; 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_cienum mc_context { MCONSOLE_INTR, MCONSOLE_PROC }; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_cistruct mconsole_command 498c2ecf20Sopenharmony_ci{ 508c2ecf20Sopenharmony_ci char *command; 518c2ecf20Sopenharmony_ci void (*handler)(struct mc_request *req); 528c2ecf20Sopenharmony_ci enum mc_context context; 538c2ecf20Sopenharmony_ci}; 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_cistruct mc_request 568c2ecf20Sopenharmony_ci{ 578c2ecf20Sopenharmony_ci int len; 588c2ecf20Sopenharmony_ci int as_interrupt; 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ci int originating_fd; 618c2ecf20Sopenharmony_ci unsigned int originlen; 628c2ecf20Sopenharmony_ci unsigned char origin[128]; /* sockaddr_un */ 638c2ecf20Sopenharmony_ci 648c2ecf20Sopenharmony_ci struct mconsole_request request; 658c2ecf20Sopenharmony_ci struct mconsole_command *cmd; 668c2ecf20Sopenharmony_ci struct uml_pt_regs regs; 678c2ecf20Sopenharmony_ci}; 688c2ecf20Sopenharmony_ci 698c2ecf20Sopenharmony_ciextern char mconsole_socket_name[]; 708c2ecf20Sopenharmony_ci 718c2ecf20Sopenharmony_ciextern int mconsole_unlink_socket(void); 728c2ecf20Sopenharmony_ciextern int mconsole_reply_len(struct mc_request *req, const char *reply, 738c2ecf20Sopenharmony_ci int len, int err, int more); 748c2ecf20Sopenharmony_ciextern int mconsole_reply(struct mc_request *req, const char *str, int err, 758c2ecf20Sopenharmony_ci int more); 768c2ecf20Sopenharmony_ci 778c2ecf20Sopenharmony_ciextern void mconsole_version(struct mc_request *req); 788c2ecf20Sopenharmony_ciextern void mconsole_help(struct mc_request *req); 798c2ecf20Sopenharmony_ciextern void mconsole_halt(struct mc_request *req); 808c2ecf20Sopenharmony_ciextern void mconsole_reboot(struct mc_request *req); 818c2ecf20Sopenharmony_ciextern void mconsole_config(struct mc_request *req); 828c2ecf20Sopenharmony_ciextern void mconsole_remove(struct mc_request *req); 838c2ecf20Sopenharmony_ciextern void mconsole_sysrq(struct mc_request *req); 848c2ecf20Sopenharmony_ciextern void mconsole_cad(struct mc_request *req); 858c2ecf20Sopenharmony_ciextern void mconsole_stop(struct mc_request *req); 868c2ecf20Sopenharmony_ciextern void mconsole_go(struct mc_request *req); 878c2ecf20Sopenharmony_ciextern void mconsole_log(struct mc_request *req); 888c2ecf20Sopenharmony_ciextern void mconsole_proc(struct mc_request *req); 898c2ecf20Sopenharmony_ciextern void mconsole_stack(struct mc_request *req); 908c2ecf20Sopenharmony_ci 918c2ecf20Sopenharmony_ciextern int mconsole_get_request(int fd, struct mc_request *req); 928c2ecf20Sopenharmony_ciextern int mconsole_notify(char *sock_name, int type, const void *data, 938c2ecf20Sopenharmony_ci int len); 948c2ecf20Sopenharmony_ciextern char *mconsole_notify_socket(void); 958c2ecf20Sopenharmony_ciextern void lock_notify(void); 968c2ecf20Sopenharmony_ciextern void unlock_notify(void); 978c2ecf20Sopenharmony_ci 988c2ecf20Sopenharmony_ci#endif 99