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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 197E7C433E0 for ; Wed, 27 May 2020 18:05:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3A822075A for ; Wed, 27 May 2020 18:05:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389015AbgE0SFq (ORCPT ); Wed, 27 May 2020 14:05:46 -0400 Received: from mga09.intel.com ([134.134.136.24]:57368 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387706AbgE0SFq (ORCPT ); Wed, 27 May 2020 14:05:46 -0400 IronPort-SDR: RPhUTSsqebZ1L4XkCgpjxQctvFiN73IAOUmYLO6Gjc2haGE4oDcEwIPHUIA+Y2OVLjfLfbQRCh bdz81QWetVXA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2020 11:05:45 -0700 IronPort-SDR: O7FuUcKroBLlWWsUlkd/MVwiNKX8h3WpRYkx6DXWzxpnS5MQdkbT+mkutDL7BeUtQpGRQ3mjnI gxITuBGQzgdw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,442,1583222400"; d="scan'208";a="270553286" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO ubuntu.ger.corp.intel.com) ([10.252.42.249]) by orsmga006.jf.intel.com with ESMTP; 27 May 2020 11:05:42 -0700 From: Guennadi Liakhovetski To: kvm@vger.kernel.org Cc: linux-remoteproc@vger.kernel.org, virtualization@lists.linux-foundation.org, sound-open-firmware@alsa-project.org, Pierre-Louis Bossart , Liam Girdwood , "Michael S. Tsirkin" , Jason Wang , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier Subject: [PATCH v3 0/5] Add a vhost RPMsg API Date: Wed, 27 May 2020 20:05:36 +0200 Message-Id: <20200527180541.5570-1-guennadi.liakhovetski@linux.intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 A further patch for the ADSP vhost RPMsg driver will be sent separately for review only since it cannot be merged without audio patches being upstreamed first. Thanks Guennadi Guennadi Liakhovetski (5): vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl vhost: (cosmetic) remove a superfluous variable initialisation 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 | 382 +++++++++++++++++++++++++++++++++++++++ drivers/vhost/vhost.c | 2 +- drivers/vhost/vhost_rpmsg.h | 74 ++++++++ include/linux/virtio_rpmsg.h | 81 +++++++++ include/uapi/linux/rpmsg.h | 3 + include/uapi/linux/vhost.h | 4 +- 10 files changed, 559 insertions(+), 81 deletions(-) create mode 100644 drivers/vhost/rpmsg.c create mode 100644 drivers/vhost/vhost_rpmsg.h create mode 100644 include/linux/virtio_rpmsg.h -- 1.9.3