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tools/virtio: add dma stubs

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Fixes build after recent IOMMU-related changes,
mustly by adding more stubs.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin
2016-08-15 04:50:55 +03:00
parent 446374d7c7
commit 6be3ffaa0e
5 changed files with 52 additions and 1 deletions
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16
tools/virtio/linux/dma-mapping.h
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@@ -14,4 +14,20 @@ enum dma_data_direction {
DMA_NONE = 3,
};
#define dma_alloc_coherent(d, s, hp, f) ({ \
void *__dma_alloc_coherent_p = kmalloc((s), (f)); \
*(hp) = (unsigned long)__dma_alloc_coherent_p; \
__dma_alloc_coherent_p; \
})
#define dma_free_coherent(d, s, p, h) kfree(p)
#define dma_map_page(d, p, o, s, dir) (page_to_phys(p) + (o))
#define dma_map_single(d, p, s, dir) (virt_to_phys(p))
#define dma_mapping_error(...) (0)
#define dma_unmap_single(...) do { } while (0)
#define dma_unmap_page(...) do { } while (0)
#endif