powerpc/dma: Use the struct dma_attrs in iommu code

Update iommu_alloc() to take the struct dma_attrs and pass them on to
tce_build(). This change propagates down to the tce_build functions of
all the platforms.

Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

4 files changed, 16 insertions, 9 deletions

diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index eeacb3a52ca..3b7078453e7 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -173,7 +173,8 @@ static void invalidate_tce_cache(struct cbe_iommu *iommu, unsigned long *pte,
 }
 
 static void tce_build_cell(struct iommu_table *tbl, long index, long npages,
-		unsigned long uaddr, enum dma_data_direction direction)
+		unsigned long uaddr, enum dma_data_direction direction,
+		struct dma_attrs *attrs)
 {
 	int i;
 	unsigned long *io_pte, base_pte;
@@ -519,7 +520,7 @@ cell_iommu_setup_window(struct cbe_iommu *iommu, struct device_node *np,
 
 	__set_bit(0, window->table.it_map);
 	tce_build_cell(&window->table, window->table.it_offset, 1,
-		       (unsigned long)iommu->pad_page, DMA_TO_DEVICE);
+		       (unsigned long)iommu->pad_page, DMA_TO_DEVICE, NULL);
 	window->table.it_hint = window->table.it_blocksize;
 
 	return window;
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index ab5d8687c3c..bc818e4e203 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -42,7 +42,8 @@
 #include <asm/iseries/iommu.h>
 
 static void tce_build_iSeries(struct iommu_table *tbl, long index, long npages,
-		unsigned long uaddr, enum dma_data_direction direction)
+		unsigned long uaddr, enum dma_data_direction direction,
+		struct dma_attrs *attrs)
 {
 	u64 rc;
 	u64 tce, rpn;
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 86967bdd877..70541b7a501 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -85,7 +85,8 @@ static int iommu_table_iobmap_inited;
 
 static void iobmap_build(struct iommu_table *tbl, long index,
 			 long npages, unsigned long uaddr,
-			 enum dma_data_direction direction)
+			 enum dma_data_direction direction,
+			 struct dma_attrs *attrs)
 {
 	u32 *ip;
 	u32 rpn;
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 9a12908510f..5377dd4b849 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -50,7 +50,8 @@
 
 static void tce_build_pSeries(struct iommu_table *tbl, long index,
 			      long npages, unsigned long uaddr,
-			      enum dma_data_direction direction)
+			      enum dma_data_direction direction,
+			      struct dma_attrs *attrs)
 {
 	u64 proto_tce;
 	u64 *tcep;
@@ -95,7 +96,8 @@ static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
 
 static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
 				long npages, unsigned long uaddr,
-				enum dma_data_direction direction)
+				enum dma_data_direction direction,
+				struct dma_attrs *attrs)
 {
 	u64 rc;
 	u64 proto_tce, tce;
@@ -127,7 +129,8 @@ static DEFINE_PER_CPU(u64 *, tce_page) = NULL;
 
 static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 				     long npages, unsigned long uaddr,
-				     enum dma_data_direction direction)
+				     enum dma_data_direction direction,
+				     struct dma_attrs *attrs)
 {
 	u64 rc;
 	u64 proto_tce;
@@ -136,7 +139,8 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 	long l, limit;
 
 	if (npages == 1) {
-		tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction);
+		tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
+				    direction, attrs);
 		return;
 	}
 
@@ -150,7 +154,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 		/* If allocation fails, fall back to the loop implementation */
 		if (!tcep) {
 			tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
-					    direction);
+					    direction, attrs);
 			return;
 		}
 		__get_cpu_var(tce_page) = tcep;