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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 B7950C433E1 for ; Tue, 18 Aug 2020 12:10:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FAFC204EA for ; Tue, 18 Aug 2020 12:10:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726772AbgHRMJ7 (ORCPT ); Tue, 18 Aug 2020 08:09:59 -0400 Received: from mga07.intel.com ([134.134.136.100]:58725 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726357AbgHRMJ5 (ORCPT ); Tue, 18 Aug 2020 08:09:57 -0400 IronPort-SDR: qlC9t0RqywJ59IymggbLtjlaylBzqCE2Nyi8qbhtYn1WzDDcqssETyi0mwxUUIuVLLiQTrj8G7 +H90PGgSygdw== X-IronPort-AV: E=McAfee;i="6000,8403,9716"; a="219200358" X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="219200358" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 05:09:56 -0700 IronPort-SDR: Cpj3mVf/b75ctf071bSHheOjWInCzy+9GhIXcx4QgaR+vhgcWg6YaZN40ewUVOPqIxhmLFL8ta M5YZNEVycsKA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="326712920" Received: from twinkler-lnx.jer.intel.com ([10.12.91.138]) by orsmga008.jf.intel.com with ESMTP; 18 Aug 2020 05:09:55 -0700 From: Tomas Winkler To: Greg Kroah-Hartman Cc: Alexander Usyskin , linux-kernel@vger.kernel.org, Tomas Winkler Subject: [char-misc-next 00/13] mei: add support for virtual tags Date: Tue, 18 Aug 2020 14:51:34 +0300 Message-Id: <20200818115147.2567012-1-tomas.winkler@intel.com> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for mei virtualization for ACRN but might be used for other purposes such as sandboxing. ACRN is an open-source hypervisor maintained by The Linux Foundation. The support for ACRN was added in kernel in v5.3. The patches were part of the ACRN service OS kernel for a while. https://github.com/projectacrn/acrn-kernel Only selected platforms, notable for IoT usage, such as APL-I, have firmware that supports vtags. Alexander Usyskin (10): mei: hbm: add capabilities message mei: restrict vtag support to hbm version 2.2 mei: add vtag support bit in client properties mei: bump hbm version to 2.2 mei: add a spin lock to protect rd_completed queue mei: add a vtag map for each client mei: handle tx queue flushing for vtag connections mei: bus: use zero vtag for bus clients. mei: bus: unconditionally enable clients with vtag support mei: add connect with vtag ioctl Tomas Winkler (3): mei: add support for mei extended header. mei: docs: add vtag ioctl documentation mei: virtio: virtualization frontend driver Documentation/ABI/testing/sysfs-bus-mei | 7 + Documentation/driver-api/mei/mei.rst | 37 + drivers/misc/mei/Kconfig | 10 + drivers/misc/mei/Makefile | 3 + drivers/misc/mei/bus-fixup.c | 12 + drivers/misc/mei/bus.c | 89 ++- drivers/misc/mei/client.c | 423 ++++++++++-- drivers/misc/mei/client.h | 22 +- drivers/misc/mei/debugfs.c | 9 +- drivers/misc/mei/hbm.c | 101 ++- drivers/misc/mei/hbm.h | 2 + drivers/misc/mei/hw-virtio.c | 874 ++++++++++++++++++++++++ drivers/misc/mei/hw.h | 150 +++- drivers/misc/mei/interrupt.c | 113 ++- drivers/misc/mei/main.c | 284 +++++++- drivers/misc/mei/mei_dev.h | 34 +- include/uapi/linux/mei.h | 49 ++ 17 files changed, 2084 insertions(+), 135 deletions(-) create mode 100644 drivers/misc/mei/hw-virtio.c -- 2.25.4