From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-7712-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 23E9798432E for ; Mon, 24 Aug 2020 14:38:46 +0000 (UTC) From: Nikos Dragazis Date: Mon, 24 Aug 2020 17:37:02 +0300 Message-Id: <20200824143708.5664-6-ndragazis@arrikto.com> In-Reply-To: <20200824143708.5664-1-ndragazis@arrikto.com> References: <20200824143708.5664-1-ndragazis@arrikto.com> Subject: [virtio-dev] [PATCH 05/11] doorbells: Introduce doorbells Content-Type: text/plain; charset=US-ASCII To: virtio-dev@lists.oasis-open.org Cc: Stefan Hajnoczi , "Michael S . Tsirkin" , =?UTF-8?q?Alex=20Benn=C3=A9e?= List-ID: Introduce doorbells as a new virtio device resource. Signed-off-by: Nikos Dragazis --- content.tex | 2 ++ doorbells.tex | 12 ++++++++++++ 2 files changed, 14 insertions(+) create mode 100644 doorbells.tex diff --git a/content.tex b/content.tex index 94a3693..38ed709 100644 --- a/content.tex +++ b/content.tex @@ -373,6 +373,8 @@ \section{Driver Notifications} \label{sec:Virtqueues / Driver notifications} \input{shared-mem.tex} +\input{doorbells.tex} + \chapter{General Initialization And Device Operation}\label{sec:General Initialization And Device Operation} We start with an overview of device initialization, then expand on the diff --git a/doorbells.tex b/doorbells.tex new file mode 100644 index 0000000..e917536 --- /dev/null +++ b/doorbells.tex @@ -0,0 +1,12 @@ +\section{Doorbells}\label{sec:Basic Facilities of a Virtio device / Doorbells} + +A doorbell is a device register that triggers a notification to the +device when accessed by the driver. + +Doorbells are an additional facility available to devices that need to +support receiving driver notifications for events other than virtqueue +activity (i.e., notifications that are device-specific). + +A device may be exporting multiple doorbells to the driver. + +The location of doorbells is found in a transport-specific way. -- 2.17.1 --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org