From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C447C433DF for ; Fri, 31 Jul 2020 05:47:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 324362074B for ; Fri, 31 Jul 2020 05:47:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730170AbgGaFr6 (ORCPT ); Fri, 31 Jul 2020 01:47:58 -0400 Received: from mga11.intel.com ([192.55.52.93]:43594 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726972AbgGaFr5 (ORCPT ); Fri, 31 Jul 2020 01:47:57 -0400 IronPort-SDR: GfinqARzCYAcKlQhy669qliiWt9aueHIWJ4UHfkdHNpRNMrcl/QnxuetuXdAPyPSE0X6FbXPRP FiyUDZMi0gQg== X-IronPort-AV: E=McAfee;i="6000,8403,9698"; a="149562587" X-IronPort-AV: E=Sophos;i="5.75,417,1589266800"; d="scan'208";a="149562587" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2020 22:47:57 -0700 IronPort-SDR: hbcNTevyAWMt+2nnPf0zbJbC725StjdyYUxsO/paaJPrS2V3HrM5T3aO4C+q/0gLZWkZqpdNfy 1PdHJnsVg+sA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,417,1589266800"; d="scan'208";a="287084802" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO ubuntu) ([10.252.60.109]) by orsmga003.jf.intel.com with ESMTP; 30 Jul 2020 22:47:54 -0700 Date: Fri, 31 Jul 2020 07:47:53 +0200 From: Guennadi Liakhovetski To: "Michael S. Tsirkin" Cc: kvm@vger.kernel.org, linux-remoteproc@vger.kernel.org, virtualization@lists.linux-foundation.org, sound-open-firmware@alsa-project.org, Pierre-Louis Bossart , Liam Girdwood , Jason Wang , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , Vincent Whitchurch Subject: Re: [PATCH v4 0/4] Add a vhost RPMsg API Message-ID: <20200731054752.GA28005@ubuntu> References: <20200722150927.15587-1-guennadi.liakhovetski@linux.intel.com> <20200730120805-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200730120805-mutt-send-email-mst@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Hi Michael, On Thu, Jul 30, 2020 at 12:08:29PM -0400, Michael S. Tsirkin wrote: > On Wed, Jul 22, 2020 at 05:09:23PM +0200, Guennadi Liakhovetski wrote: > > Hi, > > > > Now that virtio-rpmsg endianness fixes have been merged we can > > proceed with the next step. > > Which tree is this for? The essential part of this series is for drivers/vhost, so, I presume that should be the target tree as well. There is however a small part for the drivers/rpmsg, should I split this series in two or shall we first review is as a whole to make its goals clearer? Thanks Guennadi > > v4: > > - add endianness conversions to comply with the VirtIO standard > > > > v3: > > - address several checkpatch warnings > > - address comments from Mathieu Poirier > > > > v2: > > - update patch #5 with a correct vhost_dev_init() prototype > > - drop patch #6 - it depends on a different patch, that is currently > > an RFC > > - address comments from Pierre-Louis Bossart: > > * remove "default n" from Kconfig > > > > Linux supports RPMsg over VirtIO for "remote processor" / AMP use > > cases. It can however also be used for virtualisation scenarios, > > e.g. when using KVM to run Linux on both the host and the guests. > > This patch set adds a wrapper API to facilitate writing vhost > > drivers for such RPMsg-based solutions. The first use case is an > > audio DSP virtualisation project, currently under development, ready > > for review and submission, available at > > https://github.com/thesofproject/linux/pull/1501/commits > > > > Thanks > > Guennadi > > > > Guennadi Liakhovetski (4): > > vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl > > rpmsg: move common structures and defines to headers > > rpmsg: update documentation > > vhost: add an RPMsg API > > > > Documentation/rpmsg.txt | 6 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 78 +------ > > drivers/vhost/Kconfig | 7 + > > drivers/vhost/Makefile | 3 + > > drivers/vhost/rpmsg.c | 375 +++++++++++++++++++++++++++++++ > > drivers/vhost/vhost_rpmsg.h | 74 ++++++ > > include/linux/virtio_rpmsg.h | 83 +++++++ > > include/uapi/linux/rpmsg.h | 3 + > > include/uapi/linux/vhost.h | 4 +- > > 9 files changed, 553 insertions(+), 80 deletions(-) > > create mode 100644 drivers/vhost/rpmsg.c > > create mode 100644 drivers/vhost/vhost_rpmsg.h > > create mode 100644 include/linux/virtio_rpmsg.h > > > > -- > > 2.27.0 >