From: Jason Wang <jasowang@redhat.com>
To: Yongji Xie <xieyongji@bytedance.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Stefano Garzarella" <sgarzare@redhat.com>,
"Parav Pandit" <parav@nvidia.com>,
"Christoph Hellwig" <hch@infradead.org>,
"Christian Brauner" <christian.brauner@canonical.com>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Matthew Wilcox" <willy@infradead.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Jens Axboe" <axboe@kernel.dk>,
bcrl@kvack.org, "Jonathan Corbet" <corbet@lwn.net>,
"Mika Penttilä" <mika.penttila@nextfour.com>,
"Dan Carpenter" <dan.carpenter@oracle.com>,
joro@8bytes.org, "Greg KH" <gregkh@linuxfoundation.org>,
"He Zhe" <zhe.he@windriver.com>,
"Liu Xiaodong" <xiaodong.liu@intel.com>,
songmuchun@bytedance.com,
virtualization <virtualization@lists.linux-foundation.org>,
netdev@vger.kernel.org, kvm <kvm@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v9 16/17] vduse: Introduce VDUSE - vDPA Device in Userspace
Date: Thu, 15 Jul 2021 13:00:56 +0800 [thread overview]
Message-ID: <5d756360-b540-2faf-6e52-e7e6e863ca0b@redhat.com> (raw)
In-Reply-To: <CACycT3vTyR=+6xOJyXCu_bGAKcz4Fx3bA25WfdBjhxJ6MOvLzw@mail.gmail.com>
在 2021/7/15 下午12:03, Yongji Xie 写道:
>> Which ioctl can be used for this?
>>
> I mean we can introduce a new ioctl for that in the future.
Ok, I see.
>
>>>> I wonder if it's better to do something similar to ccw:
>>>>
>>>> 1) requires the userspace to update the status bit in the response
>>>> 2) update the dev->status to the status in the response if no timeout
>>>>
>>>> Then userspace could then set NEEDS_RESET if necessary.
>>>>
>>> But NEEDS_RESET does not only happen in this case.
>> Yes, so you need an ioctl for userspace to update the device status
>> (NEEDS_RESET) probably.
>>
> Yes, but I'd like to do that after the initial version is merged since
> NEEDS_RESET is not supported now.
Right.
Thanks
>
next prev parent reply other threads:[~2021-07-15 5:01 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-13 8:46 [PATCH v9 00/17] Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-07-13 8:46 ` [PATCH v9 01/17] iova: Export alloc_iova_fast() and free_iova_fast() Xie Yongji
2021-07-13 8:46 ` [PATCH v9 02/17] file: Export receive_fd() to modules Xie Yongji
2021-07-13 8:46 ` [PATCH v9 03/17] vdpa: Fix code indentation Xie Yongji
2021-07-14 4:20 ` Joe Perches
2021-07-14 5:48 ` Yongji Xie
2021-07-13 8:46 ` [PATCH v9 04/17] vdpa: Fail the vdpa_reset() if fail to set device status to zero Xie Yongji
2021-07-13 8:46 ` [PATCH v9 05/17] vhost-vdpa: Fail the vhost_vdpa_set_status() on reset failure Xie Yongji
2021-07-13 8:46 ` [PATCH v9 06/17] vhost-vdpa: Handle the failure of vdpa_reset() Xie Yongji
2021-07-13 8:46 ` [PATCH v9 07/17] virtio: Don't set FAILED status bit on device index allocation failure Xie Yongji
2021-07-13 11:02 ` Dan Carpenter
2021-07-13 11:25 ` Yongji Xie
2021-07-13 8:46 ` [PATCH v9 08/17] virtio_config: Add a return value to reset function Xie Yongji
2021-07-13 8:46 ` [PATCH v9 09/17] virtio-vdpa: Handle the failure of vdpa_reset() Xie Yongji
2021-07-13 8:46 ` [PATCH v9 10/17] virtio: Handle device reset failure in register_virtio_device() Xie Yongji
2021-07-13 8:46 ` [PATCH v9 11/17] vhost-iotlb: Add an opaque pointer for vhost IOTLB Xie Yongji
2021-07-13 8:46 ` [PATCH v9 12/17] vdpa: Add an opaque pointer for vdpa_config_ops.dma_map() Xie Yongji
2021-07-13 8:46 ` [PATCH v9 13/17] vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap() Xie Yongji
2021-07-13 11:31 ` Dan Carpenter
2021-07-14 2:14 ` Jason Wang
2021-07-14 8:05 ` Dan Carpenter
2021-07-14 9:41 ` Jason Wang
2021-07-14 9:57 ` Dan Carpenter
2021-07-15 2:20 ` Jason Wang
2021-07-14 5:24 ` Yongji Xie
2021-07-13 8:46 ` [PATCH v9 14/17] vdpa: Support transferring virtual addressing during DMA mapping Xie Yongji
2021-07-13 8:46 ` [PATCH v9 15/17] vduse: Implement an MMU-based IOMMU driver Xie Yongji
2021-07-13 8:46 ` [PATCH v9 16/17] vduse: Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-07-13 13:27 ` Dan Carpenter
2021-07-14 2:54 ` Jason Wang
2021-07-14 5:45 ` Yongji Xie
2021-07-14 5:45 ` Jason Wang
2021-07-14 5:54 ` Michael S. Tsirkin
2021-07-14 6:02 ` Jason Wang
2021-07-14 6:47 ` Greg KH
2021-07-14 8:56 ` Jason Wang
2021-07-14 6:49 ` Yongji Xie
2021-07-14 9:12 ` Jason Wang
2021-07-15 4:03 ` Yongji Xie
2021-07-15 5:00 ` Jason Wang [this message]
2021-07-13 8:46 ` [PATCH v9 17/17] Documentation: Add documentation for VDUSE Xie Yongji
2021-07-15 5:18 ` Jason Wang
2021-07-15 7:27 ` Yongji Xie
2021-12-15 10:10 ` [PATCH v9 00/17] Introduce VDUSE - vDPA Device in Userspace Liuxiangdong
2021-12-16 3:14 ` Yongji Xie
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=5d756360-b540-2faf-6e52-e7e6e863ca0b@redhat.com \
--to=jasowang@redhat.com \
--cc=axboe@kernel.dk \
--cc=bcrl@kvack.org \
--cc=christian.brauner@canonical.com \
--cc=corbet@lwn.net \
--cc=dan.carpenter@oracle.com \
--cc=gregkh@linuxfoundation.org \
--cc=hch@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.penttila@nextfour.com \
--cc=mst@redhat.com \
--cc=netdev@vger.kernel.org \
--cc=parav@nvidia.com \
--cc=rdunlap@infradead.org \
--cc=sgarzare@redhat.com \
--cc=songmuchun@bytedance.com \
--cc=stefanha@redhat.com \
--cc=viro@zeniv.linux.org.uk \
--cc=virtualization@lists.linux-foundation.org \
--cc=willy@infradead.org \
--cc=xiaodong.liu@intel.com \
--cc=xieyongji@bytedance.com \
--cc=zhe.he@windriver.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).