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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2009-01-05 23:36:09 +0900
committerIngo Molnar <mingo@elte.hu>2009-01-06 14:06:48 +0100
commit98c382bca9382128b2dbc2108a4c77d667d87abc (patch)
treef01798e9dc9e24a73129f2feda21b947f24d22a3 /arch/ia64/dig
parent917f69b8b74e0b3283fcd1f2885949847d787d24 (diff)
downloadop-kernel-dev-98c382bca9382128b2dbc2108a4c77d667d87abc.zip
op-kernel-dev-98c382bca9382128b2dbc2108a4c77d667d87abc.tar.gz
add dma_mapping_ops for intel-iommu
This is for IA64_DIG_VTD. 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>
Diffstat (limited to 'arch/ia64/dig')
-rw-r--r--arch/ia64/dig/dig_vtd_iommu.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/ia64/dig/dig_vtd_iommu.c b/arch/ia64/dig/dig_vtd_iommu.c
index 1c8a079..fdb8ba9 100644
--- a/arch/ia64/dig/dig_vtd_iommu.c
+++ b/arch/ia64/dig/dig_vtd_iommu.c
@@ -1,6 +1,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/intel-iommu.h>
void *
@@ -57,3 +58,20 @@ vtd_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
return 0;
}
EXPORT_SYMBOL_GPL(vtd_dma_mapping_error);
+
+extern int iommu_dma_supported(struct device *dev, u64 mask);
+
+struct dma_mapping_ops vtd_dma_ops = {
+ .alloc_coherent = vtd_alloc_coherent,
+ .free_coherent = vtd_free_coherent,
+ .map_single_attrs = vtd_map_single_attrs,
+ .unmap_single_attrs = vtd_unmap_single_attrs,
+ .map_sg_attrs = vtd_map_sg_attrs,
+ .unmap_sg_attrs = vtd_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 = iommu_dma_supported,
+ .mapping_error = vtd_dma_mapping_error,
+};
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