From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 1685C986429 for ; Fri, 24 Sep 2021 13:50:47 +0000 (UTC) From: Cornelia Huck In-Reply-To: <291795BE-C269-42C9-84E8-74D5CDE59704@bytedance.com> References: <20210903080303.39915-1-weijunji@bytedance.com> <87czp0g88j.fsf@redhat.com> <291795BE-C269-42C9-84E8-74D5CDE59704@bytedance.com> Date: Fri, 24 Sep 2021 15:50:07 +0200 Message-ID: <87czoydqwg.fsf@redhat.com> MIME-Version: 1.0 Subject: [virtio-dev] Re: [PATCH] Reserve device id for RDMA device Content-Type: text/plain To: Junji Wei Cc: virtio-dev@lists.oasis-open.org, Doug Ledford , Jason Gunthorpe , mst , Jason Wang , yuval.shaia.ml@gmail.com, marcel.apfelbaum@gmail.com, Hannes Reinecke , Yongji Xie , =?utf-8?B?5p+056iz?= , dingtao.darren@bytedance.com, duanxiongchun@bytedance.com List-ID: On Thu, Sep 23 2021, Junji Wei wrote: >> On Sep 22, 2021, at 7:28 PM, Cornelia Huck wrote: >> >> On Fri, Sep 03 2021, Junji Wei wrote: >> >>> Use device ID 42 >>> >>> Signed-off-by: Junji Wei >>> --- >>> content.tex | 2 ++ >>> 1 file changed, 2 insertions(+) >>> >>> diff --git a/content.tex b/content.tex >>> index 3aeb4a4..b57c997 100644 >>> --- a/content.tex >>> +++ b/content.tex >>> @@ -2878,6 +2878,8 @@ \chapter{Device Types}\label{sec:Device Types} >>> \hline >>> 41 & GPIO device \\ >>> \hline >>> +42 & RDMA device \\ >>> +\hline >>> \end{tabular} >>> >>> Some of the devices above are unspecified by this document, >> >> Do we have an answer to the issues raised with the QEMU patches? IOW, is > > Yes. > >> it reasonable to expect that we can actually implement a usuable RDMA >> device? While device IDs are generally cheap, it would be good not to >> have too many dead entries. > > I think we can implement an usable RDMA device through uRDMA (a > software implementation of the RoCEv2 protocol in QEMU with VFIO > or DPDK). If nobody disagrees, we can start a vote. One last question: there were two patches, this one and the one linked in the issue... I think they are the same, right? (I do not trust myself on Friday afternoons.) --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org