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Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
-rw-r--r--arch/powerpc/include/asm/iommu.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index 17524d222a7b..0ac52392ed99 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -237,6 +237,7 @@ static inline void iommu_del_device(struct device *dev)
}
#endif /* !CONFIG_IOMMU_API */
+u64 dma_iommu_get_required_mask(struct device *dev);
#else
static inline void *get_iommu_table_base(struct device *dev)
@@ -318,5 +319,21 @@ extern void iommu_release_ownership(struct iommu_table *tbl);
extern enum dma_data_direction iommu_tce_direction(unsigned long tce);
extern unsigned long iommu_direction_to_tce_perm(enum dma_data_direction dir);
+#ifdef CONFIG_PPC_CELL_NATIVE
+extern bool iommu_fixed_is_weak;
+#else
+#define iommu_fixed_is_weak false
+#endif
+
+extern const struct dma_map_ops dma_iommu_ops;
+
+static inline unsigned long device_to_mask(struct device *dev)
+{
+ if (dev->dma_mask && *dev->dma_mask)
+ return *dev->dma_mask;
+ /* Assume devices without mask can take 32 bit addresses */
+ return 0xfffffffful;
+}
+
#endif /* __KERNEL__ */
#endif /* _ASM_IOMMU_H */