From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: dev@dpdk.org
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
Harris James R <james.r.harris@intel.com>,
Liu Changpeng <changpeng.liu@intel.com>
Subject: Re: [dpdk-dev] [PATCH v4 00/22] vhost: generic vhost API
Date: Sat, 1 Apr 2017 16:44:49 +0800 [thread overview]
Message-ID: <20170401084449.GZ18844@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1491031380-1499-1-git-send-email-yuanhan.liu@linux.intel.com>
On Sat, Apr 01, 2017 at 03:22:38PM +0800, Yuanhan Liu wrote:
> This patchset makes DPDK vhost library generic enough, so that we could
> build other vhost-user drivers on top of it. For example, SPDK (Storage
> Performance Development Kit) is trying to enable vhost-user SCSI.
>
> The basic idea is, let DPDK vhost be a vhost-user agent. It stores all
> the info about the virtio device (i.e. vring address, negotiated features,
> etc) and let the specific vhost-user driver to fetch them (by the API
> provided by DPDK vhost lib). With those info being provided, the vhost-user
> driver then could get/put vring entries, thus, it could exchange data
> between the guest and host.
>
> The last patch demonstrates how to use these new APIs to implement a
> very simple vhost-user net driver, without any fancy features enabled.
Series applied to dpdk-next-virtio.
--yliu
>
>
> Change log
> ==========
>
> v2: - rebase
> - updated release note
> - updated API comments
> - renamed rte_vhost_get_vhost_memory to rte_vhost_get_mem_table
>
> - added a new device callback: features_changed(), bascially for live
> migration support
> - introduced rte_vhost_driver_start() to start a specific driver
> - misc fixes
>
> v3: - rebaseon top of vhost-user socket fix
> - fix reconnect
> - fix shared build
> - fix typos
>
> v4: - rebase
> - let rte_vhost_get.*_features() to return features by parameter and
> return -1 on failure
> - Follow the style of ring rework to update the release note: use one
> entry for all vhost changes and add sub items for each change.
>
>
> Major API/ABI Changes summary
> =============================
>
> - some renames
> * "struct virtio_net_device_ops" ==> "struct vhost_device_ops"
> * "rte_virtio_net.h" ==> "rte_vhost.h"
>
> - driver related APIs are bond with the socket file
> * rte_vhost_driver_set_features(socket_file, features);
> * rte_vhost_driver_get_features(socket_file, features);
> * rte_vhost_driver_enable_features(socket_file, features)
> * rte_vhost_driver_disable_features(socket_file, features)
> * rte_vhost_driver_callback_register(socket_file, notify_ops);
> * rte_vhost_driver_start(socket_file);
> This function replaces rte_vhost_driver_session_start(). Check patch
> 18 for more information.
>
> - new APIs to fetch guest and vring info
> * rte_vhost_get_mem_table(vid, mem);
> * rte_vhost_get_negotiated_features(vid);
> * rte_vhost_get_vhost_vring(vid, vring_idx, vring);
>
> - new exported structures
> * struct rte_vhost_vring
> * struct rte_vhost_mem_region
> * struct rte_vhost_memory
>
> - a new device ops callback: features_changed().
>
>
> --yliu
>
> ---
> Yuanhan Liu (22):
> vhost: introduce driver features related APIs
> net/vhost: remove feature related APIs
> vhost: use new APIs to handle features
> vhost: make notify ops per vhost driver
> vhost: export guest memory regions
> vhost: introduce API to fetch negotiated features
> vhost: export vhost vring info
> vhost: export API to translate gpa to vva
> vhost: turn queue pair to vring
> vhost: export the number of vrings
> vhost: move the device ready check at proper place
> vhost: drop the Rx and Tx queue macro
> vhost: do not include net specific headers
> vhost: rename device ops struct
> vhost: rename virtio-net to vhost
> vhost: add features changed callback
> vhost: export APIs for live migration support
> vhost: introduce API to start a specific driver
> vhost: rename header file
> vhost: workaround the build dependency on mbuf header
> vhost: do not destroy device on repeat mem table message
> examples/vhost: demonstrate the new generic vhost APIs
>
> doc/guides/prog_guide/vhost_lib.rst | 42 +--
> doc/guides/rel_notes/deprecation.rst | 9 -
> doc/guides/rel_notes/release_17_05.rst | 43 +++
> drivers/net/vhost/rte_eth_vhost.c | 101 ++-----
> drivers/net/vhost/rte_eth_vhost.h | 32 +--
> drivers/net/vhost/rte_pmd_vhost_version.map | 3 -
> examples/tep_termination/main.c | 23 +-
> examples/tep_termination/main.h | 2 +
> examples/tep_termination/vxlan_setup.c | 2 +-
> examples/vhost/Makefile | 2 +-
> examples/vhost/main.c | 100 +++++--
> examples/vhost/main.h | 32 ++-
> examples/vhost/virtio_net.c | 405 ++++++++++++++++++++++++++
> lib/librte_vhost/Makefile | 4 +-
> lib/librte_vhost/fd_man.c | 9 +-
> lib/librte_vhost/fd_man.h | 2 +-
> lib/librte_vhost/rte_vhost.h | 427 ++++++++++++++++++++++++++++
> lib/librte_vhost/rte_vhost_version.map | 16 +-
> lib/librte_vhost/rte_virtio_net.h | 208 --------------
> lib/librte_vhost/socket.c | 229 ++++++++++++---
> lib/librte_vhost/vhost.c | 230 ++++++++-------
> lib/librte_vhost/vhost.h | 113 +++++---
> lib/librte_vhost/vhost_user.c | 121 ++++----
> lib/librte_vhost/vhost_user.h | 2 +-
> lib/librte_vhost/virtio_net.c | 71 ++---
> 25 files changed, 1541 insertions(+), 687 deletions(-)
> create mode 100644 examples/vhost/virtio_net.c
> create mode 100644 lib/librte_vhost/rte_vhost.h
> delete mode 100644 lib/librte_vhost/rte_virtio_net.h
>
> --
> 1.9.0
prev parent reply other threads:[~2017-04-01 8:47 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-03 9:51 [dpdk-dev] [PATCH 00/17] " Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 01/17] vhost: introduce driver features related APIs Yuanhan Liu
2017-03-14 9:46 ` Maxime Coquelin
2017-03-14 9:53 ` Maxime Coquelin
2017-03-16 7:08 ` Yuanhan Liu
2017-03-16 9:18 ` Maxime Coquelin
2017-03-17 5:50 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 02/17] net/vhost: remove feature " Yuanhan Liu
2017-03-14 10:15 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 03/17] vhost: use new APIs to handle features Yuanhan Liu
2017-03-14 10:43 ` Maxime Coquelin
2017-03-16 7:43 ` Yuanhan Liu
2017-03-16 9:39 ` Maxime Coquelin
2017-03-17 5:48 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 04/17] vhost: make notify ops per vhost driver Yuanhan Liu
2017-03-14 10:55 ` Maxime Coquelin
2017-03-16 7:50 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 05/17] vhost: export guest memory regions Yuanhan Liu
2017-03-14 11:00 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 06/17] vhost: introduce API to fetch negotiated features Yuanhan Liu
2017-03-14 11:02 ` Maxime Coquelin
2017-03-16 7:35 ` Yuanhan Liu
2017-03-16 9:22 ` Maxime Coquelin
2017-03-17 5:49 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 07/17] vhost: export vhost vring info Yuanhan Liu
2017-03-14 12:11 ` Maxime Coquelin
2017-03-16 7:24 ` Yuanhan Liu
2017-03-16 9:20 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 08/17] vhost: export API to translate gpa to vva Yuanhan Liu
2017-03-14 12:24 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 09/17] vhost: turn queue pair to vring Yuanhan Liu
2017-03-14 12:31 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 10/17] vhost: export the number of vrings Yuanhan Liu
2017-03-14 12:33 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 11/17] vhost: move the device ready check at proper place Yuanhan Liu
2017-03-14 12:37 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 12/17] vhost: drop the Rx and Tx queue macro Yuanhan Liu
2017-03-14 12:42 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 13/17] vhost: do not include net specific headers Yuanhan Liu
2017-03-14 12:46 ` Maxime Coquelin
2017-03-20 7:32 ` Liu, Changpeng
2017-03-22 6:21 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 14/17] vhost: rename device ops struct Yuanhan Liu
2017-03-14 12:48 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 15/17] vhost: rename virtio-net to vhost Yuanhan Liu
2017-03-14 12:50 ` Maxime Coquelin
2017-03-03 9:51 ` [dpdk-dev] [PATCH 16/17] vhost: rename header file Yuanhan Liu
2017-03-14 12:59 ` Maxime Coquelin
2017-03-20 5:35 ` Yuanhan Liu
2017-03-03 9:51 ` [dpdk-dev] [PATCH 17/17] examples/vhost: demonstrate the new generic vhost APIs Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 00/22] vhost: generic vhost API Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 01/22] vhost: introduce driver features related APIs Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 02/22] net/vhost: remove feature " Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 03/22] vhost: use new APIs to handle features Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 04/22] vhost: make notify ops per vhost driver Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 05/22] vhost: export guest memory regions Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 06/22] vhost: introduce API to fetch negotiated features Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 07/22] vhost: export vhost vring info Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 08/22] vhost: export API to translate gpa to vva Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 09/22] vhost: turn queue pair to vring Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 10/22] vhost: export the number of vrings Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 11/22] vhost: move the device ready check at proper place Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 12/22] vhost: drop the Rx and Tx queue macro Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 13/22] vhost: do not include net specific headers Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 14/22] vhost: rename device ops struct Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 15/22] vhost: rename virtio-net to vhost Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 16/22] vhost: add features changed callback Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 17/22] vhost: export APIs for live migration support Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 18/22] vhost: introduce API to start a specific driver Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 19/22] vhost: rename header file Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 20/22] vhost: workaround the build dependency on mbuf header Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 21/22] vhost: do not destroy device on repeat mem table message Yuanhan Liu
2017-03-23 7:10 ` [dpdk-dev] [PATCH v2 22/22] examples/vhost: demonstrate the new generic vhost APIs Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 00/22] vhost: generic vhost API Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 01/22] vhost: introduce driver features related APIs Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 02/22] net/vhost: remove feature " Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 03/22] vhost: use new APIs to handle features Yuanhan Liu
2017-03-29 14:57 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 04/22] vhost: make notify ops per vhost driver Yuanhan Liu
2017-03-29 15:03 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 05/22] vhost: export guest memory regions Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 06/22] vhost: introduce API to fetch negotiated features Yuanhan Liu
2017-03-31 7:45 ` Maxime Coquelin
2017-03-31 8:51 ` Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 07/22] vhost: export vhost vring info Yuanhan Liu
2017-03-31 7:48 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 08/22] vhost: export API to translate gpa to vva Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 09/22] vhost: turn queue pair to vring Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 10/22] vhost: export the number of vrings Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 11/22] vhost: move the device ready check at proper place Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 12/22] vhost: drop the Rx and Tx queue macro Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 13/22] vhost: do not include net specific headers Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 14/22] vhost: rename device ops struct Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 15/22] vhost: rename virtio-net to vhost Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 16/22] vhost: add features changed callback Yuanhan Liu
2017-03-31 7:50 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 17/22] vhost: export APIs for live migration support Yuanhan Liu
2017-03-31 8:05 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 18/22] vhost: introduce API to start a specific driver Yuanhan Liu
2017-03-31 9:11 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 19/22] vhost: rename header file Yuanhan Liu
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 20/22] vhost: workaround the build dependency on mbuf header Yuanhan Liu
2017-03-31 9:13 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 21/22] vhost: do not destroy device on repeat mem table message Yuanhan Liu
2017-03-31 9:26 ` Maxime Coquelin
2017-03-28 12:45 ` [dpdk-dev] [PATCH v3 22/22] examples/vhost: demonstrate the new generic vhost APIs Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 00/22] vhost: generic vhost API Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 01/22] vhost: introduce driver features related APIs Yuanhan Liu
2017-04-05 0:01 ` Thomas Monjalon
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 02/22] net/vhost: remove feature " Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 03/22] vhost: use new APIs to handle features Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 04/22] vhost: make notify ops per vhost driver Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 05/22] vhost: export guest memory regions Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 06/22] vhost: introduce API to fetch negotiated features Yuanhan Liu
2017-04-01 8:28 ` Maxime Coquelin
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 07/22] vhost: export vhost vring info Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 08/22] vhost: export API to translate gpa to vva Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 09/22] vhost: turn queue pair to vring Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 10/22] vhost: export the number of vrings Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 11/22] vhost: move the device ready check at proper place Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 12/22] vhost: drop the Rx and Tx queue macro Yuanhan Liu
2017-04-05 0:17 ` Thomas Monjalon
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 13/22] vhost: do not include net specific headers Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 14/22] vhost: rename device ops struct Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 15/22] vhost: rename virtio-net to vhost Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 16/22] vhost: add features changed callback Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 17/22] vhost: export APIs for live migration support Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 18/22] vhost: introduce API to start a specific driver Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 19/22] vhost: rename header file Yuanhan Liu
2017-04-05 0:26 ` Thomas Monjalon
2017-04-05 5:16 ` Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 20/22] vhost: workaround the build dependency on mbuf header Yuanhan Liu
2017-04-01 7:22 ` [dpdk-dev] [PATCH v4 21/22] vhost: do not destroy device on repeat mem table message Yuanhan Liu
2017-04-01 7:23 ` [dpdk-dev] [PATCH v4 22/22] examples/vhost: demonstrate the new generic vhost APIs Yuanhan Liu
2017-04-01 8:44 ` Yuanhan Liu [this message]
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