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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com,
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Date: Mon, 2 Jul 2018 10:16:15 +0200
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Subject: [dpdk-dev] [PATCH v6 01/15] vhost: add virtio packed virtqueue
defines
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From: Jens Freimann <jfreimann@redhat.com>
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
---
lib/librte_vhost/vhost.h | 3 +++
lib/librte_vhost/virtio-packed.h | 22 ++++++++++++++++++++++
2 files changed, 25 insertions(+)
create mode 100644 lib/librte_vhost/virtio-packed.h
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 3f8fa3a78..cecd5c1ee 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -191,6 +191,9 @@ 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
/* 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-packed.h b/lib/librte_vhost/virtio-packed.h
new file mode 100644
index 000000000..744b3991b
--- /dev/null
+++ b/lib/librte_vhost/virtio-packed.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) Red Hat Inc.
+ */
+
+#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 */
--
2.14.4