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diff --git a/src/gallium/auxiliary/pipebuffer/pb_cache.h b/src/gallium/auxiliary/pipebuffer/pb_cache.h
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+++ b/src/gallium/auxiliary/pipebuffer/pb_cache.h
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+/**************************************************************************
+ *
+ * Copyright 2007-2008 VMware, Inc.
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef PB_CACHE_H
+#define PB_CACHE_H
+
+#include "pb_buffer.h"
+#include "util/list.h"
+#include "os/os_thread.h"
+
+/**
+ * Statically inserted into the driver-specific buffer structure.
+ */
+struct pb_cache_entry
+{
+   struct list_head head;
+   struct pb_buffer *buffer; /**< Pointer to the structure this is part of. */
+   struct pb_cache *mgr;
+   int64_t start, end; /**< Caching time interval */
+};
+
+struct pb_cache
+{
+   struct list_head cache;
+   pipe_mutex mutex;
+   uint64_t cache_size;
+   uint64_t max_cache_size;
+   unsigned usecs;
+   unsigned num_buffers;
+   unsigned bypass_usage;
+   float size_factor;
+
+   void (*destroy_buffer)(struct pb_buffer *buf);
+   bool (*can_reclaim)(struct pb_buffer *buf);
+};
+
+void pb_cache_add_buffer(struct pb_cache_entry *entry);
+struct pb_buffer *pb_cache_reclaim_buffer(struct pb_cache *mgr, pb_size size,
+                                       unsigned alignment, unsigned usage);
+void pb_cache_release_all_buffers(struct pb_cache *mgr);
+void pb_cache_init_entry(struct pb_cache *mgr, struct pb_cache_entry *entry,
+                         struct pb_buffer *buf);
+void pb_cache_init(struct pb_cache *mgr, uint usecs, float size_factor,
+                   unsigned bypass_usage, uint64_t maximum_cache_size,
+                   void (*destroy_buffer)(struct pb_buffer *buf),
+                   bool (*can_reclaim)(struct pb_buffer *buf));
+void pb_cache_deinit(struct pb_cache *mgr);
+
+#endif