[Midnightbsd-cvs] src [12307] trunk/sys/xen/xenmem: sync with FreeBSD 11-stable

[laffer1 at midnightbsd.org]

Revision: 12307
          http://svnweb.midnightbsd.org/src/?rev=12307
Author:   laffer1
Date:     2020-02-08 14:28:38 -0500 (Sat, 08 Feb 2020)
Log Message:
-----------
sync with FreeBSD 11-stable

Added Paths:
-----------
    trunk/sys/xen/xenmem/
    trunk/sys/xen/xenmem/xenmem_if.m

Added: trunk/sys/xen/xenmem/xenmem_if.m
===================================================================
--- trunk/sys/xen/xenmem/xenmem_if.m	                        (rev 0)
+++ trunk/sys/xen/xenmem/xenmem_if.m	2020-02-08 19:28:38 UTC (rev 12307)
@@ -0,0 +1,95 @@
+#-
+# Copyright (c) 2015 Roger Pau Monné <royger at FreeBSD.org>
+# 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 AUTHOR 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 AUTHOR 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.
+#
+# $FreeBSD: stable/11/sys/xen/xenmem/xenmem_if.m 282634 2015-05-08 14:48:40Z royger $
+# $MidnightBSD$
+
+#include <sys/bus.h>
+
+INTERFACE xenmem;
+
+#
+# Default implementations of some methods.
+#
+CODE {
+        static struct resource *
+        xenmem_generic_alloc(device_t dev, device_t child, int *res_id,
+            size_t size)
+        {
+                device_t parent;
+
+                parent = device_get_parent(dev);
+                if (parent == NULL)
+                        return (NULL);
+                return (XENMEM_ALLOC(parent, child, res_id, size));
+        }
+
+        static int
+        xenmem_generic_free(device_t dev, device_t child, int res_id,
+            struct resource *res)
+        {
+                device_t parent;
+
+                parent = device_get_parent(dev);
+                if (parent == NULL)
+                        return (ENXIO);
+                return (XENMEM_FREE(parent, child, res_id, res));
+        }
+};
+
+/**
+ * @brief Request for unused physical memory regions.
+ *
+ * @param _dev          the device whose child was being probed.
+ * @param _child        the child device which failed to probe.
+ * @param _res_id       a pointer to the resource identifier.
+ * @param _size         size of the required memory region.
+ *
+ * @returns             the resource which was allocated or @c NULL if no
+ *                      resource could be allocated.
+ */
+METHOD struct resource * alloc {
+	device_t                _dev;
+	device_t                _child;
+	int                    *_res_id;
+	size_t                  _size;
+} DEFAULT xenmem_generic_alloc;
+
+/**
+ * @brief Free physical memory regions.
+ *
+ * @param _dev          the device whose child was being probed.
+ * @param _child        the child device which failed to probe.
+ * @param _res_id       the resource identifier.
+ * @param _res          the resource.
+ *
+ * @returns             0 on success, otherwise an error code.
+ */
+METHOD int free {
+	device_t                _dev;
+	device_t                _child;
+	int                     _res_id;
+	struct resource        *_res;
+} DEFAULT xenmem_generic_free;


Property changes on: trunk/sys/xen/xenmem/xenmem_if.m
___________________________________________________________________
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property