add dma_mapping_ops for SWIOTLB and SBA IOMMU

This is for IA64_HP_ZX1_SWIOTLB.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 16 insertions, 1 deletions

diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 2769dbfd03b..a40dcdd22ee 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -13,8 +13,8 @@
  */
 
 #include <linux/device.h>
+#include <linux/dma-mapping.h>
 #include <linux/swiotlb.h>
-
 #include <asm/machvec.h>
 
 /* swiotlb declarations & definitions: */
@@ -193,3 +193,18 @@ EXPORT_SYMBOL(hwsw_sync_single_for_cpu);
 EXPORT_SYMBOL(hwsw_sync_single_for_device);
 EXPORT_SYMBOL(hwsw_sync_sg_for_cpu);
 EXPORT_SYMBOL(hwsw_sync_sg_for_device);
+
+struct dma_mapping_ops hwsw_dma_ops = {
+        .alloc_coherent         = hwsw_alloc_coherent,
+        .free_coherent          = hwsw_free_coherent,
+        .map_single_attrs       = hwsw_map_single_attrs,
+        .unmap_single_attrs     = hwsw_unmap_single_attrs,
+        .map_sg_attrs           = hwsw_map_sg_attrs,
+        .unmap_sg_attrs         = hwsw_unmap_sg_attrs,
+        .sync_single_for_cpu    = hwsw_sync_single_for_cpu,
+        .sync_sg_for_cpu        = hwsw_sync_sg_for_cpu,
+        .sync_single_for_device = hwsw_sync_single_for_device,
+        .sync_sg_for_device     = hwsw_sync_sg_for_device,
+        .dma_supported_op       = hwsw_dma_supported,
+        .mapping_error          = hwsw_dma_mapping_error,
+};