sparc: Revert generic IOMMU allocator.

I applied the wrong version of this patch series, V4 instead of V10, due to a patchwork bundling snafu. Signed-off-by: David S. Miller <[email protected]>
neviim · Apr 18, 2015 · c12f048 · c12f048
1 parent 04b7fe6
commit c12f048
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Showing 8 changed files with 325 additions and 537 deletions.
diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h
@@ -16,7 +16,6 @@
 #define IOPTE_WRITE   0x0000000000000002UL
 
 #define IOMMU_NUM_CTXS	4096
-#include <linux/iommu-common.h>
 
 struct iommu_arena {
 	unsigned long	*map;
@@ -25,10 +24,11 @@ struct iommu_arena {
 };
 
 struct iommu {
-	struct iommu_table	tbl;
 	spinlock_t		lock;
-	u32			dma_addr_mask;
+	struct iommu_arena	arena;
+	void			(*flush_all)(struct iommu *);
 	iopte_t			*page_table;
+	u32			page_table_map_base;
 	unsigned long		iommu_control;
 	unsigned long		iommu_tsbbase;
 	unsigned long		iommu_flush;
@@ -40,6 +40,7 @@ struct iommu {
 	unsigned long		dummy_page_pa;
 	unsigned long		ctx_lowest_free;
 	DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS);
+	u32			dma_addr_mask;
 };
 
 struct strbuf {