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-rw-r--r--tools/virtio/linux/virtio.h22
-rw-r--r--tools/virtio/linux/virtio_config.h2
2 files changed, 2 insertions, 22 deletions
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 5a2d1f0f6bc7..72bff70bfeeb 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -6,31 +6,11 @@
/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */
#define list_add_tail(a, b) do {} while (0)
#define list_del(a) do {} while (0)
-
-#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
-#define BITS_PER_BYTE 8
-#define BITS_PER_LONG (sizeof(long) * BITS_PER_BYTE)
-#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
-
-/* TODO: Not atomic as it should be:
- * we don't use this for anything important. */
-static inline void clear_bit(int nr, volatile unsigned long *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
-
- *p &= ~mask;
-}
-
-static inline int test_bit(int nr, const volatile unsigned long *addr)
-{
- return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
-}
/* end of stubs */
struct virtio_device {
void *dev;
- unsigned long features[1];
+ u32 features;
};
struct virtqueue {
diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h
index 5049967f99f7..83b27e8e9d72 100644
--- a/tools/virtio/linux/virtio_config.h
+++ b/tools/virtio/linux/virtio_config.h
@@ -2,5 +2,5 @@
#define VIRTIO_TRANSPORT_F_END 32
#define virtio_has_feature(dev, feature) \
- test_bit((feature), (dev)->features)
+ (__virtio_test_bit((dev), feature))