1 files changed, 71 insertions, 0 deletions
diff --git a/include/zfeature_common.h b/include/zfeature_common.h
new file mode 100644
index 000000000..27f8f00a0
--- /dev/null
+++ b/include/zfeature_common.h
@@ -0,0 +1,71 @@
+/*
+ * 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 (c) 2012 by Delphix. All rights reserved.
+ */
+
+#ifndef _ZFEATURE_COMMON_H
+#define	_ZFEATURE_COMMON_H
+
+#include <sys/fs/zfs.h>
+#include <sys/inttypes.h>
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct zfeature_info;
+
+typedef struct zfeature_info {
+	const char *fi_uname;	/* User-facing feature name */
+	const char *fi_guid;	/* On-disk feature identifier */
+	const char *fi_desc;	/* Feature description */
+	boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
+	boolean_t fi_mos;	/* Is the feature necessary to read the MOS? */
+	struct zfeature_info **fi_depends; /* array; null terminated */
+} zfeature_info_t;
+
+typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
+
+#define	ZFS_FEATURE_DEBUG
+
+typedef enum spa_feature {
+	SPA_FEATURE_ASYNC_DESTROY,
+	SPA_FEATURES
+} spa_feature_t;
+
+extern zfeature_info_t spa_feature_table[SPA_FEATURES];
+
+extern boolean_t zfeature_is_valid_guid(const char *);
+
+extern boolean_t zfeature_is_supported(const char *);
+extern int zfeature_lookup_guid(const char *, zfeature_info_t **res);
+extern int zfeature_lookup_name(const char *, zfeature_info_t **res);
+
+extern void zpool_feature_init(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _ZFEATURE_COMMON_H */