1 files changed, 90 insertions, 0 deletions
diff --git a/usr/src/uts/common/fs/zfs/sys/arc.h b/usr/src/uts/common/fs/zfs/sys/arc.h
new file mode 100644
index 0000000000..b11cd42b6d
--- /dev/null
+++ b/usr/src/uts/common/fs/zfs/sys/arc.h
@@ -0,0 +1,90 @@
+/*
+ * 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 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_ARC_H
+#define	_SYS_ARC_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/zfs_context.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/zio.h>
+
+typedef struct arc_buf_hdr arc_buf_hdr_t;
+typedef struct arc_buf arc_buf_t;
+typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *private);
+typedef void arc_byteswap_func_t(void *buf, size_t size);
+
+/* generic arc_done_func_t's which you can use */
+arc_done_func_t arc_bcopy_func;
+arc_done_func_t arc_getbuf_func;
+
+struct arc_buf {
+	arc_buf_hdr_t		*b_hdr;
+	arc_buf_t		*b_next;
+	void			*b_data;
+};
+
+/*
+ * These are the flags we pass into calls to the arc
+ */
+#define	ARC_WAIT	(1 << 1)	/* perform I/O synchronously */
+#define	ARC_NOWAIT	(1 << 2)	/* perform I/O asynchronously */
+#define	ARC_PREFETCH	(1 << 3)	/* I/O is a prefetch */
+
+arc_buf_t *arc_buf_alloc(spa_t *spa, int size, void *tag);
+void arc_buf_free(arc_buf_t *buf, void *tag);
+int arc_buf_size(arc_buf_t *buf);
+void arc_release(arc_buf_t *buf, void *tag);
+int arc_released(arc_buf_t *buf);
+
+int arc_read(zio_t *pio, spa_t *spa, blkptr_t *bp, arc_byteswap_func_t *swap,
+    arc_done_func_t *done, void *private, int priority, int flags,
+    uint32_t arc_flags);
+int arc_write(zio_t *pio, spa_t *spa, int checksum, int compress,
+    uint64_t txg, blkptr_t *bp, arc_buf_t *buf,
+    arc_done_func_t *done, void *private, int priority, int flags,
+    uint32_t arc_flags);
+int arc_free(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
+    zio_done_func_t *done, void *private, uint32_t arc_flags);
+int arc_tryread(spa_t *spa, blkptr_t *bp, void *data);
+
+void arc_flush(void);
+void arc_tempreserve_clear(uint64_t tempreserve);
+int arc_tempreserve_space(uint64_t tempreserve);
+
+void arc_init(void);
+void arc_fini(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SYS_ARC_H */