[dpdk-dev] [PATCH v4 02/20] net/virtio: add virtio 1.1 defines
Jens Freimann
jfreimann at redhat.com
Thu Apr 19 09:07:33 CEST 2018
Signed-off-by: Jens Freimann <jfreimann at redhat.com>
---
drivers/net/virtio/virtio_ring.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index cea4d441e..76168eed7 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -15,7 +15,11 @@
#define VRING_DESC_F_WRITE 2
/* This means the buffer contains a list of buffer descriptors. */
#define VRING_DESC_F_INDIRECT 4
+/* This flag means the descriptor was made available by the driver */
+#define VRING_DESC_F_AVAIL (1ULL << 7)
+/* This flag means the descriptor was used by the device */
+#define VRING_DESC_F_USED (1ULL << 15)
/* The Host uses this in used->flags to advise the Guest: don't kick me
* when you add a buffer. It's unreliable, so it's simply an
* optimization. Guest will still kick if it's out of buffers. */
--
2.14.3
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