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 #ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/systm.h> 30 #include <sys/errno.h> 31 #include <sys/cladm.h> 32 33 /* 34 * cladm(2) cluster administation system call. 35 */ 36 int 37 cladm(int fac, int cmd, void *arg) 38 { 39 int error = 0; 40 int copyout_bootflags; 41 42 switch (fac) { 43 case CL_INITIALIZE: 44 if (cmd != CL_GET_BOOTFLAG) { 45 error = EINVAL; 46 break; 47 } 48 49 /* 50 * The CLUSTER_INSTALLING and CLUSTER_DCS_ENABLED bootflags are 51 * internal flags. We do not want to expose these to the user 52 * level. 53 */ 54 copyout_bootflags = (cluster_bootflags & 55 ~(CLUSTER_INSTALLING | CLUSTER_DCS_ENABLED)); 56 if (copyout(©out_bootflags, arg, sizeof (int))) { 57 error = EFAULT; 58 } 59 break; 60 61 case CL_CONFIG: 62 /* 63 * We handle CL_NODEID here so that the node number 64 * can be returned if the system is configured as part 65 * of a cluster but not booted as part of the cluster. 66 */ 67 if (cmd == CL_NODEID) { 68 nodeid_t nid; 69 70 /* return error if not configured as a cluster */ 71 if (!(cluster_bootflags & CLUSTER_CONFIGURED)) { 72 error = ENOSYS; 73 break; 74 } 75 76 nid = clconf_get_nodeid(); 77 error = copyout(&nid, arg, sizeof (nid)); 78 break; 79 } 80 /* FALLTHROUGH */ 81 82 default: 83 if ((cluster_bootflags & (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) != 84 (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) { 85 error = EINVAL; 86 break; 87 } 88 error = cladmin(fac, cmd, arg); 89 /* 90 * error will be -1 if the cladm module cannot be loaded; 91 * otherwise, it is the errno value returned 92 * (see {i86,sparc}/ml/modstubs.s). 93 */ 94 if (error < 0) 95 error = ENOSYS; 96 break; 97 } 98 99 return (error ? set_errno(error) : 0); 100 } 101