From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-7786-cohuck=redhat.com@lists.oasis-open.org 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 1F551986008 for ; Thu, 17 Sep 2020 10:19:11 +0000 (UTC) From: Nikos Dragazis References: <20200824143708.5664-1-ndragazis@arrikto.com> Message-ID: <82383315-12d3-6fbd-37b0-c1c31ea7fb8d@arrikto.com> Date: Thu, 17 Sep 2020 13:19:08 +0300 MIME-Version: 1.0 In-Reply-To: <20200824143708.5664-1-ndragazis@arrikto.com> Subject: [virtio-dev] Re: [PATCH 00/11] Additional virtio device resources Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-Language: en-US To: "Michael S . Tsirkin" Cc: virtio-dev@lists.oasis-open.org, Stefan Hajnoczi , =?UTF-8?Q?Alex_Benn=c3=a9e?= List-ID: On 24/8/20 5:36 =CE=BC.=CE=BC., Nikos Dragazis wrote: > Hi everyone, > > This patch introduces the "doorbells" and "device-specific > notifications" as a new set of virtio device resources. > > Doorbells are device registers that allow a driver to notify the device > for events other than virtqueue activity. > > Device-specific notifications are interrupts that allow a device to > notify the driver for events other than virtqueue activity and > configuration changes. > > The purpose of both of these resources is to allow a virtio device to > send/receive **device-specific** notifications to/from the driver. This > is not supported by the current version of the virtio spec, since the > only notifications supported are configuration changes, available and > used buffer notifications. > > These resources will be used later by the virtio-vhost-user [1] device > in order to send/receive notifications to/from the driver regarding > activity on the vhost-user virtqueues. By standardizing these resources > as standalone virtio device resources, other future devices will be able > to use them as well. > > Also, note that this patch contains some fix commits for some minor > typos/bugs that I bumped into while writing this patch. > > Nikos > > [1] https://lists.oasis-open.org/archives/virtio-dev/202005/msg00132.html > > Nikos Dragazis (11): > content: Remove duplicate content > content: Minor fix > content: Update list of virtio cfg structures > content: Minor layout fix > doorbells: Introduce doorbells > content: Introduce Doorbell cfg type for PCI > content: Introduce Doorbell register for MMIO > notifications: Introduce device-specific notifications > content: Introduce device-specific notification cfg type for PCI > content: Fix typo > content: Introduce device-specific notifications for MMIO > > conformance.tex | 2 + > content.tex | 177 ++++++++++++++++++++++++++++++++++++++++-------- > doorbells.tex | 12 ++++ > 3 files changed, 163 insertions(+), 28 deletions(-) > create mode 100644 doorbells.tex > Kind reminder on this. Michael, did you have the chance to look at this? Looking forward to your feedback so that we can discuss. Thanks, Nikos --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org