[dpdk-dev] [PATCH v3 11/21] vhost: add virtio 1.1 defines

Jens Freimann jfreimann at redhat.com
Thu Apr 5 12:10:21 CEST 2018


This should actually be in the kernel header file, but it isn't
yet. For now let's use our own headers.

Signed-off-by: Jens Freimann <jfreimann at redhat.com>
---
 lib/librte_vhost/vhost.h      |  4 ++++
 lib/librte_vhost/virtio-1.1.h | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 lib/librte_vhost/virtio-1.1.h

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index c14a90529..3004c26c1 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -177,6 +177,10 @@ struct vhost_msg {
 #ifndef VIRTIO_F_VERSION_1
  #define VIRTIO_F_VERSION_1 32
 #endif
+#ifndef VIRTIO_F_RING_PACKED
+ #define VIRTIO_F_RING_PACKED 34
+#endif
+#define VHOST_USER_F_PROTOCOL_FEATURES	30
 
 /* Features supported by this builtin vhost-user net driver. */
 #define VIRTIO_NET_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \
diff --git a/lib/librte_vhost/virtio-1.1.h b/lib/librte_vhost/virtio-1.1.h
new file mode 100644
index 000000000..7b48caed7
--- /dev/null
+++ b/lib/librte_vhost/virtio-1.1.h
@@ -0,0 +1,18 @@
+#ifndef __VIRTIO_PACKED_H
+#define __VIRTIO_PACKED_H
+
+#define VRING_DESC_F_NEXT       1
+#define VRING_DESC_F_WRITE      2
+#define VRING_DESC_F_INDIRECT   4
+
+#define VRING_DESC_F_AVAIL      (1ULL << 7)
+#define VRING_DESC_F_USED	(1ULL << 15)
+
+struct vring_desc_packed {
+	uint64_t addr;
+	uint32_t len;
+	uint16_t index;
+	uint16_t flags;
+};
+
+#endif /* __VIRTIO_PACKED_H */
-- 
2.14.3



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