add dma_mapping_ops for SBA IOMMU

This is for IA64_HP_ZX1.

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, 0 deletions

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index d98f0f4ff83f..655b9a17db93 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -36,6 +36,7 @@
 #include <linux/bitops.h>         /* hweight64() */
 #include <linux/crash_dump.h>
 #include <linux/iommu-helper.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/delay.h>          /* ia64_get_itc() */
 #include <asm/io.h>
@@ -2180,3 +2181,18 @@ EXPORT_SYMBOL(sba_dma_mapping_error);
 EXPORT_SYMBOL(sba_dma_supported);
 EXPORT_SYMBOL(sba_alloc_coherent);
 EXPORT_SYMBOL(sba_free_coherent);
+
+struct dma_mapping_ops sba_dma_ops = {
+        .alloc_coherent         = sba_alloc_coherent,
+        .free_coherent          = sba_free_coherent,
+        .map_single_attrs       = sba_map_single_attrs,
+        .unmap_single_attrs     = sba_unmap_single_attrs,
+        .map_sg_attrs           = sba_map_sg_attrs,
+        .unmap_sg_attrs         = sba_unmap_sg_attrs,
+        .sync_single_for_cpu    = machvec_dma_sync_single,
+        .sync_sg_for_cpu        = machvec_dma_sync_sg,
+        .sync_single_for_device = machvec_dma_sync_single,
+        .sync_sg_for_device     = machvec_dma_sync_sg,
+        .dma_supported_op       = sba_dma_supported,
+        .mapping_error          = sba_dma_mapping_error,
+};