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arch/um/drivers/mconsole.h
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/* SPDX-License-Identifier: GPL-2.0 */ |
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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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*/ #ifndef __MCONSOLE_H__ #define __MCONSOLE_H__ |
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#ifdef __UM_HOST__ |
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#include <stdint.h> #define u32 uint32_t #endif |
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#include <sysdep/ptrace.h> |
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#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;
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u32 version; |
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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;
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unsigned int originlen; |
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unsigned char origin[128]; /* sockaddr_un */ struct mconsole_request request; struct mconsole_command *cmd; |
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struct uml_pt_regs regs; |
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}; extern char mconsole_socket_name[]; extern int mconsole_unlink_socket(void); |
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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, |
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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); |
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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); extern char *mconsole_notify_socket(void); extern void lock_notify(void); extern void unlock_notify(void); #endif |