swiotlb: Make swiotlb bookkeeping functions visible in the header file.

[pandora-kernel.git] / include / linux / swiotlb.h

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 250d766..8c0e349 100644 (file)
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -25,6 +25,28 @@ extern int swiotlb_force;
 extern void swiotlb_init(int verbose);
 extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
 
+/*
+ * Enumeration for sync targets
+ */
+enum dma_sync_target {
+       SYNC_FOR_CPU = 0,
+       SYNC_FOR_DEVICE = 1,
+};
+extern void *swiotlb_tbl_map_single(struct device *hwdev, dma_addr_t tbl_dma_addr,
+                                   phys_addr_t phys, size_t size,
+                                   enum dma_data_direction dir);
+
+extern void swiotlb_tbl_unmap_single(struct device *hwdev, char *dma_addr,
+                                    size_t size, enum dma_data_direction dir);
+
+extern void swiotlb_tbl_sync_single(struct device *hwdev, char *dma_addr,
+                                   size_t size, enum dma_data_direction dir,
+                                   enum dma_sync_target target);
+
+/* Accessory functions. */
+extern void swiotlb_bounce(phys_addr_t phys, char *dma_addr, size_t size,
+                          enum dma_data_direction dir);
+
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
                        dma_addr_t *dma_handle, gfp_t flags);