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-rw-r--r--include/linux/swiotlb.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 73b1f1cec42..febedcf67c7 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -7,6 +7,8 @@ struct device;
struct dma_attrs;
struct scatterlist;
+extern int swiotlb_force;
+
/*
* Maximum allowable number of contiguous slabs to map,
* must be a power of 2. What is the appropriate value ?
@@ -20,8 +22,7 @@ struct scatterlist;
*/
#define IO_TLB_SHIFT 11
-extern void
-swiotlb_init(void);
+extern void swiotlb_init(int verbose);
extern void
*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
@@ -88,4 +89,11 @@ swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
extern int
swiotlb_dma_supported(struct device *hwdev, u64 mask);
+#ifdef CONFIG_SWIOTLB
+extern void __init swiotlb_free(void);
+#else
+static inline void swiotlb_free(void) { }
+#endif
+
+extern void swiotlb_print_info(void);
#endif /* __LINUX_SWIOTLB_H */