From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Huawei Xie <huawei.xie@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 00/11] qemu vhost-user support
Date: Sun, 22 Feb 2015 19:20:46 +0100 [thread overview]
Message-ID: <1727453.AIDsD1IOKp@xps13> (raw)
In-Reply-To: <54E1A805.2090209@igel.co.jp>
2015-02-16 17:19, Tetsuya Mukawa:
> On 2015/02/12 14:07, Huawei Xie wrote:
> > vhost-user supports passing vring information to a seperate vhost enabled
> > user space process, normally a user space vSwitch, through unix domain socket.
> >
> > In previous DPDK version, we implement a user space character device driver
> > vhost-cuse in user space DPDK process. vring information is passed to the
> > cuse driver through ioctl call, including eventfds for interrupt injection and
> > host notification. A kernel module is developed to copy these fds from
> > qemu process into our process. We also need some trick to map guest memory.
> > (TODO: kickfd/callfd is reversed which causes confusion)
> >
> > known issue in vhost-user implementation in QEMU, reported by haifeng.lin@huawei.com
> > * QEMU doesn't send correct memory region information with multiple numa node configuration
> > http://lists.gnu.org/archive/html/qemu-devel/2014-12/msg01454.html
> >
> > Thanks Tetsuya for reporting the issue that "FD_ISSET would crash when receive -1
> > as fd on Ubuntu 14.04".
> >
> > Huawei Xie (11):
> > enable VIRTIO_NET_F_CTRL_RX
> > create vhost_cuse directory and move vhost-net-cdev.c into vhost_cuse
> > rename vhost-net-cdev.h to vhost-net.h
> > move fd copying(from qemu process into vhost process) to eventfd_copy.c
> > copy host_memory_map from virtio-net.c to a new file virtio-net-cdev.c
> > make host_memory_map a more generic function.
> > implement cuse_set_memory_table in virtio-net-cdev.c
> > add select based event driven processing
> > vhost user support
> > support dev->ifname
> > support calling rte_vhost_driver_register after rte_vhost_driver_session_start
>
> Hi Xie,
>
> I have 2 questions about v2 patches.
> Could you please check my other emails?
I tried to locally applied the patches, waiting comments are closed.
But I stopped after patch 04/11 which makes compilation failing.
I'm so sorry that we still don't have a vhost-user support integrated in DPDK.
I feel it won't be ready in next days to be able to enter in 2.0 version.
next prev parent reply other threads:[~2015-02-22 18:21 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-12 5:07 Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 01/11] lib/librte_vhost: enable VIRTIO_NET_F_CTRL_RX VIRTIO_NET_F_CTRL_RX is dependant on VIRTIO_NET_F_CTRL_VQ. Observed that virtio-net driver in guest would crash with only CTRL_RX enabled Huawei Xie
2015-02-16 8:15 ` Tetsuya Mukawa
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 02/11] lib/librte_vhost: create vhost_cuse directory and move vhost-net-cdev.c into vhost_cuse Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 03/11] lib/librte_vhost: rename vhost-net-cdev.h to vhost-net.h Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 04/11] lib/librte_vhost: move fd copying(from qemu process into vhost process) to eventfd_copy.c Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 05/11] lib/librte_vhost: copy host_memory_map from virtio-net.c to a new file virtio-net-cdev.c Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 06/11] lib/librte_vhost: make host_memory_map a more generic function Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 07/11] lib/librte_vhost: implement cuse_set_memory_table Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 08/11] lib/librte_vhost: add select based event driven processing Huawei Xie
2015-02-16 17:10 ` Ananyev, Konstantin
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 09/11] lib/librte_vhost: vhost user support Huawei Xie
2015-02-12 8:26 ` Linhaifeng
2015-02-12 9:28 ` Xie, Huawei
2015-02-12 10:19 ` Linhaifeng
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 10/11] lib/librte_vhost: support dev->ifname for vhost-user Huawei Xie
2015-02-12 5:07 ` [dpdk-dev] [PATCH v2 11/11] lib/librte_vhost: support dynamically registering vhost server Huawei Xie
2015-02-16 8:17 ` Tetsuya Mukawa
2015-02-16 17:11 ` Ananyev, Konstantin
2015-02-12 5:26 ` [dpdk-dev] [PATCH v2 00/11] qemu vhost-user support Xie, Huawei
2015-02-16 8:19 ` Tetsuya Mukawa
2015-02-22 18:20 ` Thomas Monjalon [this message]
2015-02-23 13:53 ` Czesnowicz, Przemyslaw
2015-02-23 14:08 ` Thomas Monjalon
2015-02-23 14:15 ` Czesnowicz, Przemyslaw
2015-02-23 2:50 ` Tetsuya Mukawa
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 " Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 01/11] lib/librte_vhost: enable VIRTIO_NET_F_CTRL_RX VIRTIO_NET_F_CTRL_RX is dependant on VIRTIO_NET_F_CTRL_VQ. Observed that virtio-net driver in guest would crash with only CTRL_RX enabled Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 02/11] lib/librte_vhost: create vhost_cuse directory and move vhost-net-cdev.c into vhost_cuse Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 03/11] lib/librte_vhost: rename vhost-net-cdev.h to vhost-net.h Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 04/11] lib/librte_vhost: move fd copying(from qemu process into vhost process) to eventfd_copy.c Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 05/11] lib/librte_vhost: copy host_memory_map from virtio-net.c to a new file virtio-net-cdev.c Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 06/11] lib/librte_vhost: make host_memory_map a more generic function Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 07/11] lib/librte_vhost: implement cuse_set_memory_table Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 08/11] lib/librte_vhost: add select based event driven processing Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 09/11] lib/librte_vhost: vhost user support Przemyslaw Czesnowicz
2015-02-27 9:42 ` Xie, Huawei
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 10/11] lib/librte_vhost: support dev->ifname for vhost-user Przemyslaw Czesnowicz
2015-02-23 17:36 ` [dpdk-dev] [PATCH v3 11/11] lib/librte_vhost: support dynamically registering vhost server Przemyslaw Czesnowicz
2015-02-24 0:41 ` [dpdk-dev] [PATCH v3 00/11] qemu vhost-user support Thomas Monjalon
2015-02-25 5:55 ` Xie, Huawei
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