drm: Add memory manager debug function

[mv-sheeva.git] / include / drm / drm_mm.h

diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index f8332073d277734bbee82d8cd1359519743209a9..4c10be39a43bd94d7568fbb41bf3cc8d15fac95f 100644 (file)
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -37,6 +37,9 @@
  * Generic range manager structs
  */
 #include <linux/list.h>
+#ifdef CONFIG_DEBUG_FS
+#include <linux/seq_file.h>
+#endif
 
 struct drm_mm_node {
        struct list_head fl_entry;
@@ -63,6 +66,13 @@ extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node,
                                                    unsigned long size,
                                                    unsigned alignment,
                                                    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 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)
@@ -75,11 +85,38 @@ static inline struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *pa
 {
        return drm_mm_get_block_generic(parent, size, alignment, 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,
+                                               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,
+                                               start, end, 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 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);
 extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
                       unsigned long size);
 extern void drm_mm_takedown(struct drm_mm *mm);
@@ -96,4 +133,9 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
        return block->mm;
 }
 
+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