WebSVN – Kolibri OS – Diff – /drivers/include/drm/drm_mm.h

 /**************************************************************************
+ *
  * 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
  */
 #ifndef _DRM_MM_H_
 #define _DRM_MM_H_
 /*
  * Generic range manager structs
  */
 #include
 #ifdef CONFIG_DEBUG_FS
 #include
 #endif
 struct drm_mm_node {
 	struct list_head node_list;
 	struct list_head hole_stack;
 	unsigned hole_follows : 1;
 	unsigned scanned_block : 1;
 	unsigned scanned_prev_free : 1;
 	unsigned scanned_next_free : 1;
 	unsigned scanned_preceeds_hole : 1;
 	unsigned allocated : 1;
+	unsigned long color;
 	unsigned long start;
 	unsigned long size;
 	struct drm_mm *mm;
 };
 struct drm_mm {
 	/* List of all memory nodes that immediately precede a free hole. */
 	struct list_head hole_stack;
 	/* head_node.node_list is the list of all memory nodes, ordered
 	 * according to the (increasing) start address of the memory node. */
 	struct drm_mm_node head_node;
 	struct list_head unused_nodes;
 	int num_unused;
 	spinlock_t unused_lock;
 	unsigned int scan_check_range : 1;
 	unsigned scan_alignment;
+	unsigned long scan_color;
 	unsigned long scan_size;
 	unsigned long scan_hit_start;
 	unsigned scan_hit_size;
 	unsigned scanned_blocks;
 	unsigned long scan_start;
 	unsigned long scan_end;
 	struct drm_mm_node *prev_scanned_node;
+	void (*color_adjust)(struct drm_mm_node *node, unsigned long color,
+			     unsigned long *start, unsigned long *end);
 };
 static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
+{
 	return node->allocated;
+}
 static inline bool drm_mm_initialized(struct drm_mm *mm)
+{
 	return mm->hole_stack.next;
+}
 #define drm_mm_for_each_node(entry, mm) list_for_each_entry(entry, \
 						&(mm)->head_node.node_list, \
 						node_list)
 #define drm_mm_for_each_scanned_node_reverse(entry, n, mm) \
 	for (entry = (mm)->prev_scanned_node, \
 		next = entry ? list_entry(entry->node_list.next, \
 			struct drm_mm_node, node_list) : NULL; \
 	     entry != NULL; entry = next, \
 		next = entry ? list_entry(entry->node_list.next, \
 			struct drm_mm_node, node_list) : NULL) \
 /*
  * 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,
+						    unsigned long color,
 						    int atomic);
 extern struct drm_mm_node *drm_mm_get_block_range_generic(
 						struct drm_mm_node *node,
 						unsigned long size,
 						unsigned alignment,
+						unsigned long color,
 						unsigned long start,
 						unsigned long end,
 						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);
+	return drm_mm_get_block_generic(parent, size, alignment, 0, 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);
+	return drm_mm_get_block_generic(parent, size, alignment, 0, 1);
+}
 static inline struct drm_mm_node *drm_mm_get_block_range(
 						struct drm_mm_node *parent,
 						unsigned long size,
 						unsigned alignment,
 						unsigned long start,
 						unsigned long end)
+{
-	return drm_mm_get_block_range_generic(parent, size, alignment,
+	return drm_mm_get_block_range_generic(parent, size, alignment, 0,
+					      start, end, 0);
+}
+static inline struct drm_mm_node *drm_mm_get_color_block_range(
+						struct drm_mm_node *parent,
+						unsigned long size,
+						unsigned alignment,
+						unsigned long color,
+						unsigned long start,
+						unsigned long end)
+{
+	return drm_mm_get_block_range_generic(parent, size, alignment, color,
 						start, end, 0);
+}
 static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
 						struct drm_mm_node *parent,
 						unsigned long size,
 						unsigned alignment,
 						unsigned long start,
 						unsigned long end)
+{
-	return drm_mm_get_block_range_generic(parent, size, alignment,
+	return drm_mm_get_block_range_generic(parent, size, alignment, 0,
 						start, end, 1);
+}
 extern int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
 			      unsigned long size, unsigned alignment);
 extern int drm_mm_insert_node_in_range(struct drm_mm *mm,
 				       struct drm_mm_node *node,
 				       unsigned long size, unsigned alignment,
 				       unsigned long start, unsigned long end);
 extern void drm_mm_put_block(struct drm_mm_node *cur);
 extern void drm_mm_remove_node(struct drm_mm_node *node);
 extern void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
-extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
+extern struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
 					      unsigned long size,
 					      unsigned alignment,
+						      unsigned long color,
-					      int best_match);
+						      bool best_match);
-extern struct drm_mm_node *drm_mm_search_free_in_range(
+extern struct drm_mm_node *drm_mm_search_free_in_range_generic(
+						const struct drm_mm *mm,
+						unsigned long size,
+						unsigned alignment,
+						unsigned long color,
+						unsigned long start,
+						unsigned long end,
+						bool best_match);
+static inline struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
+						     unsigned long size,
+						     unsigned alignment,
+						     bool best_match)
+{
+	return drm_mm_search_free_generic(mm,size, alignment, 0, best_match);
+}
+static inline  struct drm_mm_node *drm_mm_search_free_in_range(
 						const struct drm_mm *mm,
 						unsigned long size,
 						unsigned alignment,
 						unsigned long start,
 						unsigned long end,
-						int best_match);
+						bool best_match)
+{
+	return drm_mm_search_free_in_range_generic(mm, size, alignment, 0,
+						   start, end, best_match);
+}
+static inline struct drm_mm_node *drm_mm_search_free_color(const struct drm_mm *mm,
+							   unsigned long size,
+							   unsigned alignment,
+							   unsigned long color,
+							   bool best_match)
+{
+	return drm_mm_search_free_generic(mm,size, alignment, color, best_match);
+}
+static inline  struct drm_mm_node *drm_mm_search_free_in_range_color(
+						const struct drm_mm *mm,
+						unsigned long size,
+						unsigned alignment,
+						unsigned long color,
+						unsigned long start,
+						unsigned long end,
+						bool best_match)
+{
+	return drm_mm_search_free_in_range_generic(mm, size, alignment, color,
+						   start, end, best_match);
+}
-extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
+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 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;
+}
+void drm_mm_init_scan(struct drm_mm *mm,
-void drm_mm_init_scan(struct drm_mm *mm, unsigned long size,
+		      unsigned long size,
+				 unsigned alignment,
-		      unsigned alignment);
+		      unsigned long color);
+void drm_mm_init_scan_with_range(struct drm_mm *mm,
-void drm_mm_init_scan_with_range(struct drm_mm *mm, unsigned long size,
+				 unsigned long size,
+				 unsigned alignment,
-				 unsigned alignment,
+				 unsigned long color,
 				 unsigned long start,
 				 unsigned long end);
 int drm_mm_scan_add_block(struct drm_mm_node *node);
 int drm_mm_scan_remove_block(struct drm_mm_node *node);
 extern void drm_mm_debug_table(struct drm_mm *mm, const char *prefix);
 #ifdef CONFIG_DEBUG_FS
 int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm);
 #endif
 #endif

Subversion Repositories Kolibri OS

(root)/drivers/include/drm/drm_mm.h @ 3192 – Rev 1964 → 3031