virtio: fix test build after uio.h change

Fixes: d384995 ("fs: decouple READ and WRITE from the block layer ops") Signed-off-by: Michael S. Tsirkin <[email protected]>
chewitt · Dec 19, 2018 · c5c08be · c5c08be
1 parent 7566ec3
commit c5c08be
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
@@ -23,6 +23,10 @@
 #define PAGE_MASK (~(PAGE_SIZE-1))
 #define PAGE_ALIGN(x) ((x + PAGE_SIZE - 1) & PAGE_MASK)
 
+/* generic data direction definitions */
+#define READ                    0
+#define WRITE                   1
+
 typedef unsigned long long phys_addr_t;
 typedef unsigned long long dma_addr_t;
 typedef size_t __kernel_size_t;