1 files changed, 99 insertions, 0 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
new file mode 100644
index 000000000000..f8332073d277
--- /dev/null
+++ b/include/drm/drm_mm.h
@@ -0,0 +1,99 @@
+/**************************************************************************
+ *
+ * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
+ * 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
+ * THE COPYRIGHT HOLDERS, 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.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors:
+ * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
+ */
+#ifndef _DRM_MM_H_
+#define _DRM_MM_H_
+/*
+ * Generic range manager structs
+ */
+#include <linux/list.h>
+struct drm_mm_node {
+        struct list_head fl_entry;
+        struct list_head ml_entry;
+        int free;
+        unsigned long start;
+        unsigned long size;
+        struct drm_mm *mm;
+        void *private;
+};
+struct drm_mm {
+        struct list_head fl_entry;
+        struct list_head ml_entry;
+        struct list_head unused_nodes;
+        int num_unused;
+        spinlock_t unused_lock;
+};
+/*
+ * Basic range manager support (drm_mm.c)
+ */
+extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node,
+                                                    unsigned long size,
+                                                    unsigned alignment,
+                                                    int atomic);
+static inline struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent,
+                                                   unsigned long size,
+                                                   unsigned alignment)
+{
+        return drm_mm_get_block_generic(parent, size, alignment, 0);
+}
+static inline struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
+                                                          unsigned long size,
+                                                          unsigned alignment)
+{
+        return drm_mm_get_block_generic(parent, size, alignment, 1);
+}
+extern void drm_mm_put_block(struct drm_mm_node *cur);
+extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
+                                              unsigned long size,
+                                              unsigned alignment,
+                                              int best_match);
+extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
+                       unsigned long size);
+extern void drm_mm_takedown(struct drm_mm *mm);
+extern int drm_mm_clean(struct drm_mm *mm);
+extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
+extern int drm_mm_remove_space_from_tail(struct drm_mm *mm,
+                                         unsigned long size);
+extern int drm_mm_add_space_to_tail(struct drm_mm *mm,
+                                    unsigned long size, int atomic);
+extern int drm_mm_pre_get(struct drm_mm *mm);
+static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
+{
+        return block->mm;
+}
+#endif

diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h new file mode 100644 index 000000000000..f8332073d277 --- /dev/null +++ b/include/drm/drm_mm.h
@@ -0,0 +1,99 @@
	1	/**************************************************************************
	2	*
	3	* Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
	4	* All Rights Reserved.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the
	8	* "Software"), to deal in the Software without restriction, including
	9	* without limitation the rights to use, copy, modify, merge, publish,
	10	* distribute, sub license, and/or sell copies of the Software, and to
	11	* permit persons to whom the Software is furnished to do so, subject to
	12	* the following conditions:
	13	*
	14	* The above copyright notice and this permission notice (including the
	15	* next paragraph) shall be included in all copies or substantial portions
	16	* of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	25	*
	26	*
	27	**************************************************************************/
	28	/*
	29	* Authors:
	30	* Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
	31	*/
	32
	33	#ifndef _DRM_MM_H_
	34	#define _DRM_MM_H_
	35
	36	/*
	37	* Generic range manager structs
	38	*/
	39	#include <linux/list.h>
	40
	41	struct drm_mm_node {
	42	struct list_head fl_entry;
	43	struct list_head ml_entry;
	44	int free;
	45	unsigned long start;
	46	unsigned long size;
	47	struct drm_mm *mm;
	48	void *private;
	49	};
	50
	51	struct drm_mm {
	52	struct list_head fl_entry;
	53	struct list_head ml_entry;
	54	struct list_head unused_nodes;
	55	int num_unused;
	56	spinlock_t unused_lock;
	57	};
	58
	59	/*
	60	* Basic range manager support (drm_mm.c)
	61	*/
	62	extern struct drm_mm_node drm_mm_get_block_generic(struct drm_mm_node node,
	63	unsigned long size,
	64	unsigned alignment,
	65	int atomic);
	66	static inline struct drm_mm_node drm_mm_get_block(struct drm_mm_node parent,
	67	unsigned long size,
	68	unsigned alignment)
	69	{
	70	return drm_mm_get_block_generic(parent, size, alignment, 0);
	71	}
	72	static inline struct drm_mm_node drm_mm_get_block_atomic(struct drm_mm_node parent,
	73	unsigned long size,
	74	unsigned alignment)
	75	{
	76	return drm_mm_get_block_generic(parent, size, alignment, 1);
	77	}
	78	extern void drm_mm_put_block(struct drm_mm_node *cur);
	79	extern struct drm_mm_node drm_mm_search_free(const struct drm_mm mm,
	80	unsigned long size,
	81	unsigned alignment,
	82	int best_match);
	83	extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
	84	unsigned long size);
	85	extern void drm_mm_takedown(struct drm_mm *mm);
	86	extern int drm_mm_clean(struct drm_mm *mm);
	87	extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
	88	extern int drm_mm_remove_space_from_tail(struct drm_mm *mm,
	89	unsigned long size);
	90	extern int drm_mm_add_space_to_tail(struct drm_mm *mm,
	91	unsigned long size, int atomic);
	92	extern int drm_mm_pre_get(struct drm_mm *mm);
	93
	94	static inline struct drm_mm drm_get_mm(struct drm_mm_node block)
	95	{
	96	return block->mm;
	97	}
	98
	99	#endif