6851199 unused /dev nameservices code can be removed

--HG--
rename : usr/src/lib/libdevinfo/devinfo_devname.c => usr/src/lib/libdevinfo/devinfo_profile.c

1 files changed, 153 insertions, 0 deletions

diff --git a/usr/src/lib/libdevinfo/devinfo_profile.c b/usr/src/lib/libdevinfo/devinfo_profile.c
new file mode 100644
index 0000000000..36ed1ee519
--- /dev/null
+++ b/usr/src/lib/libdevinfo/devinfo_profile.c
@@ -0,0 +1,153 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (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 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <libnvpair.h>
+#include <libdevinfo.h>
+#include <syslog.h>
+#include <sys/param.h>
+#include <errno.h>
+#include <assert.h>
+#include <sys/systeminfo.h>
+#include <sys/modctl.h>
+#include <sys/fs/sdev_impl.h>
+
+/*
+ * Private interfaces for non-global /dev profile
+ */
+
+/*
+ * Allocate opaque data structure for passing profile to the kernel for
+ * the given mount point.
+ *
+ * Note that this interface returns an empty, initialized, profile.
+ * It does not return what may have been previously committed.
+ */
+int
+di_prof_init(const char *mountpt, di_prof_t *profp)
+{
+	nvlist_t	*nvl;
+
+	if (nvlist_alloc(&nvl, 0, 0))
+		return (-1);
+
+	if (nvlist_add_string(nvl, SDEV_NVNAME_MOUNTPT, mountpt)) {
+		nvlist_free(nvl);
+		return (-1);
+	}
+
+	*profp = (di_prof_t)nvl;
+	return (0);
+}
+
+/*
+ * Free space allocated by di_prof_init().
+ */
+void
+di_prof_fini(di_prof_t prof)
+{
+	nvlist_free((nvlist_t *)prof);
+}
+
+/*
+ * Sends profile to the kernel.
+ */
+int
+di_prof_commit(di_prof_t prof)
+{
+	char	*buf = NULL;
+	size_t	buflen = 0;
+	int	rv;
+
+	if (nvlist_pack((nvlist_t *)prof, &buf, &buflen, NV_ENCODE_NATIVE, 0))
+		return (-1);
+	rv = modctl(MODDEVNAME, MODDEVNAME_PROFILE, buf, buflen);
+	free(buf);
+	return (rv);
+}
+
+/*
+ * Add a device or directory to profile's include list.
+ *
+ * Note that there is no arbitration between conflicting
+ * include and exclude profile entries, most recent
+ * is the winner.
+ */
+int
+di_prof_add_dev(di_prof_t prof, const char *dev)
+{
+	if (nvlist_add_string((nvlist_t *)prof, SDEV_NVNAME_INCLUDE, dev))
+		return (-1);
+	return (0);
+}
+
+/*
+ * Add a device or directory to profile's exclude list.
+ * This can effectively remove a previously committed device.
+ */
+int
+di_prof_add_exclude(di_prof_t prof, const char *dev)
+{
+	if (nvlist_add_string((nvlist_t *)prof, SDEV_NVNAME_EXCLUDE, dev))
+		return (-1);
+	return (0);
+}
+
+/*
+ * Add a symlink to profile.
+ */
+int
+di_prof_add_symlink(di_prof_t prof, const char *linkname, const char *target)
+{
+	nvlist_t	*nvl = (nvlist_t *)prof;
+	char		*syml[2];
+
+	syml[0] = (char *)linkname;	/* 1st entry must be the symlink */
+	syml[1] = (char *)target;	/* 2nd entry must be the target */
+	if (nvlist_add_string_array(nvl, SDEV_NVNAME_SYMLINK, syml, 2))
+		return (-1);
+	return (0);
+}
+
+/*
+ * Add a name mapping to profile.
+ */
+int
+di_prof_add_map(di_prof_t prof, const char *source, const char *target)
+{
+	nvlist_t	*nvl = (nvlist_t *)prof;
+	char		*map[2];
+
+	map[0] = (char *)source;	/* 1st entry must be the source */
+	map[1] = (char *)target;	/* 2nd entry must be the target */
+	if (nvlist_add_string_array(nvl, SDEV_NVNAME_MAP, map, 2))
+		return (-1);
+	return (0);
+}