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authorstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
committerstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
commit7c478bd95313f5f23a4c958a745db2134aa03244 (patch)
treec871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/cmd/sysdef/sdevinfo.c
downloadillumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz
OpenSolaris Launch
Diffstat (limited to 'usr/src/cmd/sysdef/sdevinfo.c')
-rw-r--r--usr/src/cmd/sysdef/sdevinfo.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/usr/src/cmd/sysdef/sdevinfo.c b/usr/src/cmd/sysdef/sdevinfo.c
new file mode 100644
index 0000000000..448833ae61
--- /dev/null
+++ b/usr/src/cmd/sysdef/sdevinfo.c
@@ -0,0 +1,163 @@
+/*
+ * 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) 1990 - 1997, Sun Microsystems, Inc.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*
+ * For machines that support the openprom, fetch and print the list
+ * of devices that the kernel has fetched from the prom or conjured up.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <libdevinfo.h>
+
+static char *progname = "sysdef";
+extern int devflag; /* SunOS4.x devinfo compatible output */
+extern int drvname_flag; /* print out the driver name too */
+
+static int _error(char *opt_noperror, ...);
+static int dump_node(di_node_t node, void *arg);
+
+void
+sysdef_devinfo(void)
+{
+ di_node_t root_node;
+
+ /* take a snapshot of kernel devinfo tree */
+ if ((root_node = di_init("/", DINFOSUBTREE)) == DI_NODE_NIL) {
+ exit(_error("di_init() failed."));
+ }
+
+ /*
+ * ...and call di_walk_node to report it out...
+ */
+ di_walk_node(root_node, DI_WALK_CLDFIRST, NULL, dump_node);
+
+ di_fini(root_node);
+}
+
+/*
+ * print out information about this node
+ */
+static int
+dump_node(di_node_t node, void *arg)
+{
+ int i;
+ char *driver_name;
+ di_node_t tmp;
+ int indent_level = 0;
+
+ /* find indent level */
+ tmp = node;
+ while ((tmp = di_parent_node(tmp)) != DI_NODE_NIL)
+ indent_level++;
+
+ /* we would start at 0, except that we skip the root node */
+ if (!devflag)
+ indent_level--;
+
+ for (i = 0; i < indent_level; i++)
+ (void) putchar('\t');
+
+ if (indent_level >= 0) {
+ if (devflag) {
+ /*
+ * 4.x devinfo(8) compatible..
+ */
+ (void) printf("Node '%s', unit #%d",
+ di_node_name(node),
+ di_instance(node));
+ if (drvname_flag) {
+ if (driver_name = di_driver_name(node)) {
+ (void) printf(" (driver name: %s)",
+ driver_name);
+ }
+ } else if (di_state(node) & DI_DRIVER_DETACHED) {
+ (void) printf(" (no driver)");
+ }
+ } else {
+ /*
+ * prtconf(1M) compatible..
+ */
+ (void) printf("%s", di_node_name(node));
+ if (di_instance(node) >= 0)
+ (void) printf(", instance #%d",
+ di_instance(node));
+ if (drvname_flag) {
+ if (driver_name = di_driver_name(node)) {
+ (void) printf(" (driver name: %s)",
+ driver_name);
+ }
+ } else if (di_state(node) & DI_DRIVER_DETACHED) {
+ (void) printf(" (driver not attached)");
+ }
+ }
+ (void) printf("\n");
+ }
+ return (DI_WALK_CONTINUE);
+}
+
+/*
+ * utility routines
+ */
+
+/* _error([no_perror, ] fmt [, arg ...]) */
+static int
+_error(char *opt_noperror, ...)
+{
+ int saved_errno;
+ va_list ap;
+ int no_perror = 0;
+ char *fmt;
+ extern int errno, _doprnt();
+
+ saved_errno = errno;
+
+ if (progname)
+ (void) fprintf(stderr, "%s: ", progname);
+
+ va_start(ap, opt_noperror);
+ if (opt_noperror == NULL) {
+ no_perror = 1;
+ fmt = va_arg(ap, char *);
+ } else
+ fmt = opt_noperror;
+ (void) _doprnt(fmt, ap, stderr);
+ va_end(ap);
+
+ if (no_perror)
+ (void) fprintf(stderr, "\n");
+ else {
+ (void) fprintf(stderr, ": ");
+ errno = saved_errno;
+ perror("");
+ }
+
+ return (1);
+}