1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #include <sys/systm.h> 28 #include <sys/errno.h> 29 #include <sys/cladm.h> 30 31 /* 32 * cladm(2) cluster administation system call. 33 */ 34 int 35 cladm(int fac, int cmd, void *arg) 36 { 37 int error = 0; 38 int copyout_bootflags; 39 40 switch (fac) { 41 case CL_INITIALIZE: 42 if (cmd != CL_GET_BOOTFLAG) { 43 error = EINVAL; 44 break; 45 } 46 47 /* 48 * The CLUSTER_INSTALLING and CLUSTER_DCS_ENABLED bootflags are 49 * internal flags. We do not want to expose these to the user 50 * level. 51 */ 52 copyout_bootflags = (cluster_bootflags & 53 ~(CLUSTER_INSTALLING | CLUSTER_DCS_ENABLED)); 54 if (copyout(©out_bootflags, arg, sizeof (int))) { 55 error = EFAULT; 56 } 57 break; 58 59 case CL_CONFIG: 60 /* 61 * We handle CL_NODEID here so that the node number 62 * can be returned if the system is configured as part 63 * of a cluster but not booted as part of the cluster. 64 */ 65 if (cmd == CL_NODEID) { 66 nodeid_t nid; 67 68 /* return error if not configured as a cluster */ 69 if (!(cluster_bootflags & CLUSTER_CONFIGURED)) { 70 error = ENOSYS; 71 break; 72 } 73 74 nid = clconf_get_nodeid(); 75 error = copyout(&nid, arg, sizeof (nid)); 76 break; 77 } 78 /* FALLTHROUGH */ 79 80 default: 81 if ((cluster_bootflags & (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) != 82 (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) { 83 error = EINVAL; 84 break; 85 } 86 error = cladmin(fac, cmd, arg); 87 /* 88 * error will be -1 if the cladm module cannot be loaded; 89 * otherwise, it is the errno value returned 90 * (see {i86,sparc}/ml/modstubs.S). 91 */ 92 if (error < 0) 93 error = ENOSYS; 94 break; 95 } 96 97 return (error ? set_errno(error) : 0); 98 } 99