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-rw-r--r--include/drm/intel-gtt.h35
1 files changed, 29 insertions, 6 deletions
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index d3c81946f61..9e343c0998b 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -2,17 +2,40 @@
#ifndef _DRM_INTEL_GTT_H
#define _DRM_INTEL_GTT_H
-struct intel_gtt {
- /* Number of stolen gtt entries at the beginning. */
- unsigned int gtt_stolen_entries;
+
+const struct intel_gtt {
+ /* Size of memory reserved for graphics by the BIOS */
+ unsigned int stolen_size;
/* Total number of gtt entries. */
unsigned int gtt_total_entries;
/* Part of the gtt that is mappable by the cpu, for those chips where
* this is not the full gtt. */
unsigned int gtt_mappable_entries;
-};
+ /* Whether i915 needs to use the dmar apis or not. */
+ unsigned int needs_dmar : 1;
+} *intel_gtt_get(void);
-struct intel_gtt *intel_gtt_get(void);
+void intel_gtt_chipset_flush(void);
+void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg);
+void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
+int intel_gtt_map_memory(struct page **pages, unsigned int num_entries,
+ struct scatterlist **sg_list, int *num_sg);
+void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
+ unsigned int sg_len,
+ unsigned int pg_start,
+ unsigned int flags);
+void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
+ struct page **pages, unsigned int flags);
-#endif
+/* Special gtt memory types */
+#define AGP_DCACHE_MEMORY 1
+#define AGP_PHYS_MEMORY 2
+
+/* New caching attributes for gen6/sandybridge */
+#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
+#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
+/* flag for GFDT type */
+#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
+
+#endif