OpenSolaris Launch

1 files changed, 100 insertions, 0 deletions

diff --git a/usr/src/uts/common/syscall/cladm.c b/usr/src/uts/common/syscall/cladm.c
new file mode 100644
index 0000000000..e2e034d93d
--- /dev/null
+++ b/usr/src/uts/common/syscall/cladm.c
@@ -0,0 +1,100 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1998 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/cladm.h>
+
+/*
+ * cladm(2) cluster administation system call.
+ */
+int
+cladm(int fac, int cmd, void *arg)
+{
+	int error = 0;
+	int copyout_bootflags;
+
+	switch (fac) {
+	case CL_INITIALIZE:
+		if (cmd != CL_GET_BOOTFLAG) {
+			error = EINVAL;
+			break;
+		}
+
+		/*
+		 * The CLUSTER_INSTALLING and CLUSTER_DCS_ENABLED bootflags are
+		 * internal flags. We do not want to expose these to the user
+		 * level.
+		 */
+		copyout_bootflags = (cluster_bootflags &
+		    ~(CLUSTER_INSTALLING | CLUSTER_DCS_ENABLED));
+		if (copyout(&copyout_bootflags, arg, sizeof (int))) {
+			error = EFAULT;
+		}
+		break;
+
+	case CL_CONFIG:
+		/*
+		 * We handle CL_NODEID here so that the node number
+		 * can be returned if the system is configured as part
+		 * of a cluster but not booted as part of the cluster.
+		 */
+		if (cmd == CL_NODEID) {
+			nodeid_t nid;
+
+			/* return error if not configured as a cluster */
+			if (!(cluster_bootflags & CLUSTER_CONFIGURED)) {
+				error = ENOSYS;
+				break;
+			}
+
+			nid = clconf_get_nodeid();
+			error = copyout(&nid, arg, sizeof (nid));
+			break;
+		}
+		/* FALLTHROUGH */
+
+	default:
+		if ((cluster_bootflags & (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) !=
+		    (CLUSTER_CONFIGURED|CLUSTER_BOOTED)) {
+			error = EINVAL;
+			break;
+		}
+		error = cladmin(fac, cmd, arg);
+		/*
+		 * error will be -1 if the cladm module cannot be loaded;
+		 * otherwise, it is the errno value returned
+		 * (see {i86,sparc}/ml/modstubs.s).
+		 */
+		if (error < 0)
+			error = ENOSYS;
+		break;
+	}
+
+	return (error ? set_errno(error) : 0);
+}