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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>
This commit is contained in:
FUJITA Tomonori 2009-01-05 23:36:09 +09:00 committed by Ingo Molnar
parent 917f69b8b7
commit 98c382bca9
1 changed files with 18 additions and 0 deletions
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18
arch/ia64/dig/dig_vtd_iommu.c
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@ -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,
};