Initial import from vendor-sys branch of openzfs

1 files changed, 58 insertions, 0 deletions

diff --git a/sys/contrib/openzfs/include/sys/dmu_redact.h b/sys/contrib/openzfs/include/sys/dmu_redact.h
new file mode 100644
index 000000000000..207fdbb5cfda
--- /dev/null
+++ b/sys/contrib/openzfs/include/sys/dmu_redact.h
@@ -0,0 +1,58 @@
+/*
+ * 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) 2018 by Delphix. All rights reserved.
+ */
+#ifndef _DMU_REDACT_H_
+#define	_DMU_REDACT_H_
+
+#include <sys/spa.h>
+#include <sys/dsl_bookmark.h>
+
+#define	REDACT_BLOCK_MAX_COUNT (1ULL << 48)
+
+static inline uint64_t
+redact_block_get_size(redact_block_phys_t *rbp)
+{
+	return (BF64_GET_SB((rbp)->rbp_size_count, 48, 16, SPA_MINBLOCKSHIFT,
+	    0));
+}
+
+static inline void
+redact_block_set_size(redact_block_phys_t *rbp, uint64_t size)
+{
+	BF64_SET_SB((rbp)->rbp_size_count, 48, 16, SPA_MINBLOCKSHIFT, 0, size);
+}
+
+static inline uint64_t
+redact_block_get_count(redact_block_phys_t *rbp)
+{
+	return (BF64_GET_SB((rbp)->rbp_size_count, 0, 48, 0, 1));
+}
+
+static inline void
+redact_block_set_count(redact_block_phys_t *rbp, uint64_t count)
+{
+	BF64_SET_SB((rbp)->rbp_size_count, 0, 48, 0, 1, count);
+}
+
+int dmu_redact_snap(const char *, nvlist_t *, const char *);
+#endif /* _DMU_REDACT_H_ */