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=-14.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 BEB3CC43463 for ; Mon, 21 Sep 2020 12:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 879B920EDD for ; Mon, 21 Sep 2020 12:20:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="ZMbxLFw4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727193AbgIUMUj (ORCPT ); Mon, 21 Sep 2020 08:20:39 -0400 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:28051 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727171AbgIUMUh (ORCPT ); Mon, 21 Sep 2020 08:20:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1600690837; x=1632226837; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PwGktjlPhTYrrDzRL8piwrX614VV0QZyLEntzX2QjfQ=; b=ZMbxLFw4aN53tyxbnb9iobxNqYh1+rJqPRIlzUCIHP/HnBRnhtj2Zhqq GrmpS04+1rg3HP4Fv4B3oHKa0TySBskTA7FCGyVfvmGIOm/tsszL/jCgV 4RCuC8mLfTxjKuM+bqnxZh4PrCHHDvrnxb3VXbh33LiLTaQSrLSCF+L42 4=; X-IronPort-AV: E=Sophos;i="5.77,286,1596499200"; d="scan'208";a="77922191" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1d-37fd6b3d.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 21 Sep 2020 12:20:35 +0000 Received: from EX13D16EUB001.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan3.iad.amazon.com [10.40.163.38]) by email-inbound-relay-1d-37fd6b3d.us-east-1.amazon.com (Postfix) with ESMTPS id 99667281EE4; Mon, 21 Sep 2020 12:20:33 +0000 (UTC) Received: from 38f9d34ed3b1.ant.amazon.com (10.43.161.71) by EX13D16EUB001.ant.amazon.com (10.43.166.28) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 21 Sep 2020 12:20:23 +0000 From: Andra Paraschiv To: linux-kernel CC: Anthony Liguori , Benjamin Herrenschmidt , Colm MacCarthaigh , "David Duncan" , Bjoern Doebel , "David Woodhouse" , Frank van der Linden , Alexander Graf , Greg KH , "Karen Noel" , Martin Pohlack , Matt Wilson , Paolo Bonzini , Stefano Garzarella , Stefan Hajnoczi , Stewart Smith , Uwe Dannowski , Vitaly Kuznetsov , kvm , ne-devel-upstream , Andra Paraschiv Subject: [PATCH v10 14/18] nitro_enclaves: Add Kconfig for the Nitro Enclaves driver Date: Mon, 21 Sep 2020 15:17:28 +0300 Message-ID: <20200921121732.44291-15-andraprs@amazon.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: <20200921121732.44291-1-andraprs@amazon.com> References: <20200921121732.44291-1-andraprs@amazon.com> MIME-Version: 1.0 X-Originating-IP: [10.43.161.71] X-ClientProxiedBy: EX13D06UWC001.ant.amazon.com (10.43.162.91) To EX13D16EUB001.ant.amazon.com (10.43.166.28) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add kernel config entry for Nitro Enclaves, including dependencies. Changelog v9 -> v10 * Update commit message to include the changelog before the SoB tag(s). v8 -> v9 * No changes. v7 -> v8 * No changes. v6 -> v7 * Remove, for now, the dependency on ARM64 arch. x86 is currently supported, with Arm to come afterwards. The NE kernel driver can be built for aarch64 arch. v5 -> v6 * No changes. v4 -> v5 * Add arch dependency for Arm / x86. v3 -> v4 * Add PCI and SMP dependencies. v2 -> v3 * Remove the GPL additional wording as SPDX-License-Identifier is already in place. v1 -> v2 * Update path to Kconfig to match the drivers/virt/nitro_enclaves directory. * Update help in Kconfig. Signed-off-by: Andra Paraschiv Reviewed-by: Alexander Graf --- drivers/virt/Kconfig | 2 ++ drivers/virt/nitro_enclaves/Kconfig | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+) create mode 100644 drivers/virt/nitro_enclaves/Kconfig diff --git a/drivers/virt/Kconfig b/drivers/virt/Kconfig index cbc1f25c79ab..80c5f9c16ec1 100644 --- a/drivers/virt/Kconfig +++ b/drivers/virt/Kconfig @@ -32,4 +32,6 @@ config FSL_HV_MANAGER partition shuts down. source "drivers/virt/vboxguest/Kconfig" + +source "drivers/virt/nitro_enclaves/Kconfig" endif diff --git a/drivers/virt/nitro_enclaves/Kconfig b/drivers/virt/nitro_enclaves/Kconfig new file mode 100644 index 000000000000..8c9387a232df --- /dev/null +++ b/drivers/virt/nitro_enclaves/Kconfig @@ -0,0 +1,20 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. + +# Amazon Nitro Enclaves (NE) support. +# Nitro is a hypervisor that has been developed by Amazon. + +# TODO: Add dependency for ARM64 once NE is supported on Arm platforms. For now, +# the NE kernel driver can be built for aarch64 arch. +# depends on (ARM64 || X86) && HOTPLUG_CPU && PCI && SMP + +config NITRO_ENCLAVES + tristate "Nitro Enclaves Support" + depends on X86 && HOTPLUG_CPU && PCI && SMP + help + This driver consists of support for enclave lifetime management + for Nitro Enclaves (NE). + + To compile this driver as a module, choose M here. + The module will be called nitro_enclaves. -- 2.20.1 (Apple Git-117) Amazon Development Center (Romania) S.R.L. registered office: 27A Sf. Lazar Street, UBC5, floor 2, Iasi, Iasi County, 700045, Romania. Registered in Romania. Registration number J22/2621/2005.