add dma_mapping_ops for SWIOTLB
There is already dma_mapping_ops for SWIOTLB but there are some
missing hooks.
This is for IA64_DIG_VTD, IA64_HP_ZX1_SWIOTLB, IA64_SGI_UV,
IA64_HP_SIM, IA64_XEN_GUEST and IA64_GENERIC.
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>
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 16c5051..b62fb932 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -13,12 +13,18 @@
int swiotlb __read_mostly;
EXPORT_SYMBOL(swiotlb);
+/* Set this to 1 if there is a HW IOMMU in the system */
+int iommu_detected __read_mostly;
+
struct dma_mapping_ops swiotlb_dma_ops = {
- .mapping_error = swiotlb_dma_mapping_error,
.alloc_coherent = swiotlb_alloc_coherent,
.free_coherent = swiotlb_free_coherent,
.map_single = swiotlb_map_single,
.unmap_single = swiotlb_unmap_single,
+ .map_single_attrs = swiotlb_map_single_attrs,
+ .unmap_single_attrs = swiotlb_unmap_single_attrs,
+ .map_sg_attrs = swiotlb_map_sg_attrs,
+ .unmap_sg_attrs = swiotlb_unmap_sg_attrs,
.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
.sync_single_for_device = swiotlb_sync_single_for_device,
.sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
@@ -28,6 +34,7 @@
.map_sg = swiotlb_map_sg,
.unmap_sg = swiotlb_unmap_sg,
.dma_supported_op = swiotlb_dma_supported,
+ .mapping_error = swiotlb_dma_mapping_error,
};
void __init pci_swiotlb_init(void)