Module Name: src
Committed By: riastradh
Date: Sun Dec 19 01:19:00 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: radix-tree.h
Log Message:
Stub linux radix tree API.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/external/bsd/drm2/include/linux/radix-tree.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/radix-tree.h
diff -u src/sys/external/bsd/drm2/include/linux/radix-tree.h:1.1 src/sys/external/bsd/drm2/include/linux/radix-tree.h:1.2
--- src/sys/external/bsd/drm2/include/linux/radix-tree.h:1.1 Sun Dec 19 00:30:01 2021
+++ src/sys/external/bsd/drm2/include/linux/radix-tree.h Sun Dec 19 01:19:00 2021
@@ -0,0 +1,76 @@
+/* $NetBSD: radix-tree.h,v 1.2 2021/12/19 01:19:00 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2018 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LINUX_RADIX_TREE_H_
+#define _LINUX_RADIX_TREE_H_
+
+#include <linux/gfp.h>
+
+#define INIT_RADIX_TREE linux_INIT_RADIX_TREE
+#define radix_tree_delete linux_radix_tree_delete
+#define radix_tree_deref_slot linux_radix_tree_deref_slot
+#define radix_tree_empty linux_radix_tree_empty
+#define radix_tree_exception linux_radix_tree_exception
+#define radix_tree_insert linux_radix_tree_insert
+#define radix_tree_iter_init linux_radix_tree_iter_init
+#define radix_tree_lookup linux_radix_tree_lookup
+#define radix_tree_next_chunk linux_radix_tree_next_chunk
+#define radix_tree_next_slot linux_radix_tree_next_slot
+
+struct radix_tree_root {
+};
+
+struct radix_tree_iter {
+};
+
+void INIT_RADIX_TREE(struct radix_tree_root *, gfp_t);
+
+int radix_tree_insert(struct radix_tree_root *, unsigned long, unsigned,
+ void *);
+void radix_tree_iter_delete(struct radix_tree_root *,
+ struct radix_tree_iter *, void **);
+
+bool radix_tree_empty(struct radix_tree_root *);
+void * radix_tree_lookup(const struct radix_tree_root *, unsigned long);
+bool radix_tree_exception(void *);
+void * radix_tree_deref_slot(void **);
+
+void ** radix_tree_iter_init(struct radix_tree_iter *, unsigned long);
+void ** radix_tree_next_chunk(const struct radix_tree_root *,
+ struct radix_tree_iter *, unsigned);
+void ** radix_tree_next_slot(void **, struct radix_tree_iter *, unsigned);
+
+#define radix_tree_for_each_slot(N, T, I, S) \
+ for ((N) = radix_tree_iter_init((I), (S)); \
+ (N) || ((N) = radix_tree_next_chunk((T), (I), 0)); \
+ (N) = radix_tree_next_slot((N), (I), 0))
+
+#endif /* _LINUX_RADIX_TREE_H_ */
