add dma_mapping_ops for SGI Altix

This is for IA64_SGI_SN2.

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/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 53ebb6484495..4ad13ff7cf1e 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 #include <linux/dma-attrs.h>
+#include <linux/dma-mapping.h>
 #include <asm/dma.h>
 #include <asm/sn/intr.h>
 #include <asm/sn/pcibus_provider_defs.h>
@@ -465,3 +466,18 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
  out:
         return ret;
 }
+
+struct dma_mapping_ops sn_dma_ops = {
+        .alloc_coherent         = sn_dma_alloc_coherent,
+        .free_coherent          = sn_dma_free_coherent,
+        .map_single_attrs       = sn_dma_map_single_attrs,
+        .unmap_single_attrs     = sn_dma_unmap_single_attrs,
+        .map_sg_attrs           = sn_dma_map_sg_attrs,
+        .unmap_sg_attrs         = sn_dma_unmap_sg_attrs,
+        .sync_single_for_cpu    = sn_dma_sync_single_for_cpu,
+        .sync_sg_for_cpu        = sn_dma_sync_sg_for_cpu,
+        .sync_single_for_device = sn_dma_sync_single_for_device,
+        .sync_sg_for_device     = sn_dma_sync_sg_for_device,
+        .mapping_error          = sn_dma_mapping_error,
+        .dma_supported_op       = sn_dma_supported,
+};