From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: tiwei.bie@intel.com, zhihong.wang@intel.com,
jfreimann@redhat.com, dev@dpdk.org
Cc: mst@redhat.com, jasowang@redhat.com, wexu@redhat.com
Subject: [dpdk-dev] [PATCH v8 01/15] vhost: add virtio packed virtqueue defines
Date: Thu, 5 Jul 2018 23:07:27 +0200 [thread overview]
Message-ID: <20180705210741.17974-2-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20180705210741.17974-1-maxime.coquelin@redhat.com>
From: Jens Freimann <jfreimann@redhat.com>
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
---
lib/librte_vhost/vhost.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 79e3117d2..4fc804bd8 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -192,6 +192,26 @@ struct vhost_msg {
#define VIRTIO_F_VERSION_1 32
#endif
+/* Declare packed ring related bits for older kernels */
+#ifndef VIRTIO_F_RING_PACKED
+
+#define VIRTIO_F_RING_PACKED 34
+
+#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 id;
+ uint16_t flags;
+};
+#endif
+
/*
* Available and used descs are in same order
*/
--
2.14.4
next prev parent reply other threads:[~2018-07-05 21:07 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-05 21:07 [dpdk-dev] [PATCH v8 00/15] Vhost: add support to packed ring layout Maxime Coquelin
2018-07-05 21:07 ` Maxime Coquelin [this message]
2018-07-06 2:52 ` [dpdk-dev] [PATCH v8 01/15] vhost: add virtio packed virtqueue defines Tiwei Bie
2018-07-06 6:34 ` Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 02/15] vhost: add helpers for packed virtqueues Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 03/15] vhost: vring address setup for packed queues Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 04/15] vhost: clear shadow used table index at flush time Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 05/15] vhost: make indirect desc table copy desc type agnostic Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 06/15] vhost: clear batch copy index at copy time Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 07/15] vhost: extract split ring handling from Rx and Tx functions Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 08/15] vhost: append shadow used ring function names with split Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 09/15] vhost: add shadow used ring support for packed rings Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 10/15] vhost: create descriptor mapping function Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 11/15] vhost: add vector filling support for packed ring Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 12/15] vhost: add Rx " Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 13/15] vhost: add Tx " Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 14/15] vhost: add notification " Maxime Coquelin
2018-07-05 21:07 ` [dpdk-dev] [PATCH v8 15/15] vhost: advertize packed ring layout support Maxime Coquelin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180705210741.17974-2-maxime.coquelin@redhat.com \
--to=maxime.coquelin@redhat.com \
--cc=dev@dpdk.org \
--cc=jasowang@redhat.com \
--cc=jfreimann@redhat.com \
--cc=mst@redhat.com \
--cc=tiwei.bie@intel.com \
--cc=wexu@redhat.com \
--cc=zhihong.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).