From patchwork Tue Jun 20 19:50:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 13286419 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3E387EB64D7 for ; Tue, 20 Jun 2023 19:52:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBhOC-0000cq-O8; Tue, 20 Jun 2023 15:51:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBhO8-0000C8-FJ for qemu-devel@nongnu.org; Tue, 20 Jun 2023 15:51:40 -0400 Received: from mout.kundenserver.de ([212.227.17.24]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBhO2-0002ks-Kd for qemu-devel@nongnu.org; Tue, 20 Jun 2023 15:51:36 -0400 Received: from lenovo-t14s ([37.171.229.63]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MbjBo-1pfOpj2WPG-00dIAw; Tue, 20 Jun 2023 21:50:58 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, Stefan Berger , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , jasowang@redhat.com, mst@redhat.com, David Hildenbrand , Paolo Bonzini , marcandre.lureau@redhat.com, eric.auger@redhat.com, Peter Xu , Laurent Vivier Subject: [PATCH 0/2] vhost-vdpa: skip TPM CRB memory section Date: Tue, 20 Jun 2023 21:50:52 +0200 Message-ID: <20230620195054.23929-1-lvivier@redhat.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:2isbiNmmuOsyLH8ff9LWWCE1YNBWQC0k4MEulQcEizl6TWAFnEU 7dbA/8MvwCPxrv21L5hUXW1HkTq1hBRt0n/DF7mdjCrj4gwB/GaEmp6kMwdD2eOFCWBiCl1 BJI/O+wEY1L3MXYEw8Uo9piYCDpwQffL/ZYMI88N8pT9fc8aEk+Zz+AuwYi18hkKHvSqLSz 7WsHVAVwTb5DcnVCxa1Cg== UI-OutboundReport: notjunk:1;M01:P0:IcPsdrjQouU=;2KKWZ1S1Q3y8yQku6QtbEoNxs7J za4rp5811a8wpeI2y6dANtAUjZyqMuXdBNpezQRLbDEiHdTFgmuww1oXTJpAMLm2M2MH5cZf6 jvMl64NPqE8x9794JP5l804MOom/zpsNtkDDAW2UMhC5ga3qJhABTyCyNO9JhCHE60ZNejOcb 104EZf6tdseod251CaHyk98qa8Td/7x6AZYRjWBPaDtNNHvArF0jaMPU4CdOsN/OrN5rlkcUT lyJ8BjJfDcctbzQm5Wgqg78Kv5DgCQh2tBCRrQeyOp51+B4WrBaMdjY/QjDpMkq5uailrYpsC VZgzp0PCljizQK0QJxXQoOpyKa3m+1Cn2wMkS62XnR86z+uCaZQEjAjlQhP/wxEur72sHUKMG vQRKA/khBcGlUbxsi6Vv3pCgd6BAucLvHT58HyzIRO2pt7/WXhyLp3ppmqh70He6Z8LY8uOLo wD5yqa+CcPz4UNa4EjwqL5ZJ0ADyNhZ2yWPMyby85SSmJwVT9huLBnQn9dRe3Kd4azNEdonxJ 9Mpy9HnQ5L5SkhcIuy01ONh5iQL+6bmMWzQxcDyTKBUvJYJW6DtSWM3MJMeRxu7CekuA5DmA5 2FaEW1tCOQlAUiuuw6D9iI79ADOoOdyo4yqNRx5GignKR5tjWwyvqalVR/8663mPEbisA1HZB IHfO91CAwmkefBwR8wu5HMuQpZxxTRpwv6qbkpcHIA== Received-SPF: permerror client-ip=212.227.17.24; envelope-from=lvivier@redhat.com; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_FAIL=0.001, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org An error is reported for vhost-vdpa case: qemu-kvm: vhost_vdpa_listener_region_add received unaligned region Marc-André has proposed a fix to this problem by skipping the memory region owned by the TPM CRB but it seems more generic to skip not DMA-able memory. We have a memory flag for that, RAM_PROTECTED. This series expands the memory API to provide a way to initialize a "protected" memory region and use it with the TPM CRB object. For the previous discussions, see https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg03670.html and from Eric for VFIO: https://lore.kernel.org/all/20220506132510.1847942-1-eric.auger@redhat.com/ https://lore.kernel.org/all/20220524091405.416256-1-eric.auger@redhat.com/ Bug: https://bugzilla.redhat.com/show_bug.cgi?id=2141965 Thanks, Laurent Laurent Vivier (2): memory: introduce memory_region_init_ram_protected() tpm_crb: mark memory as protected hw/tpm/tpm_crb.c | 2 +- include/exec/memory.h | 33 +++++++++++++++++++++++++++++++++ softmmu/memory.c | 33 +++++++++++++++++++++++++++------ softmmu/physmem.c | 4 ++-- 4 files changed, 63 insertions(+), 9 deletions(-) Reviewed-by: Peter Xu