1 files changed, 138 insertions, 0 deletions

diff --git a/zfs/lib/libzcommon/include/sys/vdev.h b/zfs/lib/libzcommon/include/sys/vdev.h
new file mode 100644
index 000000000000..8435a8b6636a
--- /dev/null
+++ b/zfs/lib/libzcommon/include/sys/vdev.h
@@ -0,0 +1,138 @@
+/*
+ * 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 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_VDEV_H
+#define	_SYS_VDEV_H
+
+#pragma ident	"@(#)vdev.h	1.16	07/12/12 SMI"
+
+#include <sys/spa.h>
+#include <sys/zio.h>
+#include <sys/dmu.h>
+#include <sys/space_map.h>
+#include <sys/fs/zfs.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+extern boolean_t zfs_nocacheflush;
+
+/*
+ * Fault injection modes.
+ */
+#define	VDEV_FAULT_NONE		0
+#define	VDEV_FAULT_RANDOM	1
+#define	VDEV_FAULT_COUNT	2
+
+extern int vdev_open(vdev_t *);
+extern int vdev_validate(vdev_t *);
+extern void vdev_close(vdev_t *);
+extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace);
+extern void vdev_init(vdev_t *, uint64_t txg);
+extern void vdev_reopen(vdev_t *);
+extern int vdev_validate_aux(vdev_t *vd);
+extern int vdev_probe(vdev_t *);
+
+extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev);
+extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid);
+extern void vdev_dtl_dirty(space_map_t *sm, uint64_t txg, uint64_t size);
+extern int vdev_dtl_contains(space_map_t *sm, uint64_t txg, uint64_t size);
+extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
+    int scrub_done);
+
+extern const char *vdev_description(vdev_t *vd);
+
+extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg);
+extern void vdev_metaslab_fini(vdev_t *vd);
+
+extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs);
+extern void vdev_clear_stats(vdev_t *vd);
+extern void vdev_stat_update(zio_t *zio);
+extern void vdev_scrub_stat_update(vdev_t *vd, pool_scrub_type_t type,
+    boolean_t complete);
+extern int vdev_getspec(spa_t *spa, uint64_t vdev, char **vdev_spec);
+extern void vdev_propagate_state(vdev_t *vd);
+extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state,
+    vdev_aux_t aux);
+
+extern void vdev_space_update(vdev_t *vd, int64_t space_delta,
+    int64_t alloc_delta, boolean_t update_root);
+
+extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize);
+
+extern int vdev_fault(spa_t *spa, uint64_t guid);
+extern int vdev_degrade(spa_t *spa, uint64_t guid);
+extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags,
+    vdev_state_t *);
+extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags);
+extern void vdev_clear(spa_t *spa, vdev_t *vd, boolean_t reopen_wanted);
+
+extern int vdev_error_inject(vdev_t *vd, zio_t *zio);
+extern int vdev_is_dead(vdev_t *vd);
+extern int vdev_readable(vdev_t *vd);
+extern int vdev_writeable(vdev_t *vd);
+
+extern void vdev_cache_init(vdev_t *vd);
+extern void vdev_cache_fini(vdev_t *vd);
+extern int vdev_cache_read(zio_t *zio);
+extern void vdev_cache_write(zio_t *zio);
+extern void vdev_cache_purge(vdev_t *vd);
+
+extern void vdev_queue_init(vdev_t *vd);
+extern void vdev_queue_fini(vdev_t *vd);
+extern zio_t *vdev_queue_io(zio_t *zio);
+extern void vdev_queue_io_done(zio_t *zio);
+
+extern void vdev_config_dirty(vdev_t *vd);
+extern void vdev_config_clean(vdev_t *vd);
+extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg);
+
+extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd,
+    boolean_t getstats, boolean_t isspare, boolean_t isl2cache);
+
+/*
+ * Label routines
+ */
+struct uberblock;
+extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset);
+extern nvlist_t *vdev_label_read_config(vdev_t *vd);
+extern void vdev_uberblock_load(zio_t *zio, vdev_t *vd, struct uberblock *ub);
+
+typedef enum {
+	VDEV_LABEL_CREATE,	/* create/add a new device */
+	VDEV_LABEL_REPLACE,	/* replace an existing device */
+	VDEV_LABEL_SPARE,	/* add a new hot spare */
+	VDEV_LABEL_REMOVE,	/* remove an existing device */
+	VDEV_LABEL_L2CACHE	/* add an L2ARC cache device */
+} vdev_labeltype_t;
+
+extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_VDEV_H */