18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#include <asm/errno.h> 78c2ecf20Sopenharmony_ci#include <init.h> 88c2ecf20Sopenharmony_ci#include <kern.h> 98c2ecf20Sopenharmony_ci#include <os.h> 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci/* Changed by set_umid_arg */ 128c2ecf20Sopenharmony_cistatic int umid_inited = 0; 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_cistatic int __init set_umid_arg(char *name, int *add) 158c2ecf20Sopenharmony_ci{ 168c2ecf20Sopenharmony_ci int err; 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci if (umid_inited) { 198c2ecf20Sopenharmony_ci os_warn("umid already set\n"); 208c2ecf20Sopenharmony_ci return 0; 218c2ecf20Sopenharmony_ci } 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci *add = 0; 248c2ecf20Sopenharmony_ci err = set_umid(name); 258c2ecf20Sopenharmony_ci if (err == -EEXIST) 268c2ecf20Sopenharmony_ci os_warn("umid '%s' already in use\n", name); 278c2ecf20Sopenharmony_ci else if (!err) 288c2ecf20Sopenharmony_ci umid_inited = 1; 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci return 0; 318c2ecf20Sopenharmony_ci} 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci__uml_setup("umid=", set_umid_arg, 348c2ecf20Sopenharmony_ci"umid=<name>\n" 358c2ecf20Sopenharmony_ci" This is used to assign a unique identity to this UML machine and\n" 368c2ecf20Sopenharmony_ci" is used for naming the pid file and management console socket.\n\n" 378c2ecf20Sopenharmony_ci); 388c2ecf20Sopenharmony_ci 39