Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 10:36:41 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/include/linux: pagevec.h xarray.h

Log Message:
Start xarray stubs.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/external/bsd/drm2/include/linux/pagevec.h
cvs rdiff -u -r1.2 -r1.3 src/sys/external/bsd/drm2/include/linux/xarray.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/pagevec.h
diff -u src/sys/external/bsd/drm2/include/linux/pagevec.h:1.1 src/sys/external/bsd/drm2/include/linux/pagevec.h:1.2
--- src/sys/external/bsd/drm2/include/linux/pagevec.h:1.1	Sun Dec 19 00:30:01 2021
+++ src/sys/external/bsd/drm2/include/linux/pagevec.h	Sun Dec 19 10:36:40 2021
@@ -0,0 +1,34 @@
+/*	$NetBSD: pagevec.h,v 1.2 2021/12/19 10:36:40 riastradh Exp $	*/
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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_PAGEVEC_H_
+#define	_LINUX_PAGEVEC_H_
+
+#include <linux/xarray.h>
+
+#endif	/* _LINUX_PAGEVEC_H_ */

Index: src/sys/external/bsd/drm2/include/linux/xarray.h
diff -u src/sys/external/bsd/drm2/include/linux/xarray.h:1.2 src/sys/external/bsd/drm2/include/linux/xarray.h:1.3
--- src/sys/external/bsd/drm2/include/linux/xarray.h:1.2	Sun Dec 19 01:54:50 2021
+++ src/sys/external/bsd/drm2/include/linux/xarray.h	Sun Dec 19 10:36:40 2021
@@ -1,11 +1,61 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2020 The NetBSD Foundation, Inc.
+/*	$NetBSD: xarray.h,v 1.3 2021/12/19 10:36:40 riastradh Exp $	*/
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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_XARRAY_H_
 #define	_LINUX_XARRAY_H_
 
+#include <linux/slab.h>
+
 struct xarray;
+struct xa_limit;
+
+struct xa_limit {
+	uint32_t	max;
+	uint32_t	min;
+};
+
+#define	xa_for_each(XA, INDEX, ENTRY)					      \
+	for ((INDEX) = 0, (ENTRY) = xa_find((XA), &(INDEX), ULONG_MAX, 0);    \
+		(ENTRY) != NULL;					      \
+		(ENTRY) = xa_find_after((XA), &(INDEX), ULONG_MAX, 0))
+
+#define	xa_alloc	linux_xa_alloc
+#define	xa_find		linux_xa_find
+#define	xa_find_after	linux_xa_find_after
+#define	xa_store	linux_xa_store
+#define	xa_limit_32b	linux_xa_limit_32b
+
+int	xa_alloc(struct xarray *, uint32_t *, void *, struct xa_limit, gfp_t);
+void *	xa_find(struct xarray *, unsigned long *, unsigned long, unsigned);
+void *	xa_find_after(struct xarray *, unsigned long *, unsigned long,
+	    unsigned);
+void	xa_store(struct xarray *, unsigned long, void *, gfp_t);
+
+extern const struct xa_limit xa_limit_32b;
 
 #endif	/* _LINUX_XARRAY_H_ */

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