add dma_mapping_ops for SBA IOMMU (0e9cbb9b) · Commits · 戴 / test

arch/ia64/hp/common/sba_iommu.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -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,
		};