From patchwork Thu Oct 26 10:30:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13437481 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 6C2D7C25B6B for ; Thu, 26 Oct 2023 10:49:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qvxvG-00047N-39; Thu, 26 Oct 2023 06:49:06 -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 1qvxvC-00041K-Sf; Thu, 26 Oct 2023 06:49:02 -0400 Received: from mgamail.intel.com ([134.134.136.126]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qvxvB-0001Nv-54; Thu, 26 Oct 2023 06:49:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698317341; x=1729853341; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GXWVJSJKrA6OskhLM2e5zCd84xdWO+/D3ApsdMrVliA=; b=ZPjF3C+xwaCy0Od1nj1i75bvmcQOZWEAq3ar12501YJoOVufPb0PDSBA pcL0BF8HJkrj7zktUw/4KezS2w904G+74dOY6FKz03rFGZgXWd7p9Ln3v fHlGBZei/xhJIktkHQTO/axGmiNCjq9C1ZMnI3jzENQJFLDdKcQFjLa7E 5XSG5OE31cm2nCzJ5IIH7G1RHshi7t3st3AA4Fu8FI2flIHKA/ccv4GJY HF3FSOH11e1rqVtUisEaJx2NVAcAPx5vQggCZEQqNlgeaXTeWzjFsv/b4 7dsXKm30QjoDnnwHffZ2IdS8v4/jnBsnDoZz939JX5MCKeP9K1SO3jrMv A==; X-IronPort-AV: E=McAfee;i="6600,9927,10874"; a="372563751" X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="372563751" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2023 03:48:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="463825" Received: from duan-server-s2600bt.bj.intel.com ([10.240.192.147]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2023 03:47:52 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Zhenzhong Duan , Nicholas Piggin , Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , David Gibson , Harsh Prateek Bora , qemu-ppc@nongnu.org (open list:sPAPR (pseries)) Subject: [PATCH v3 29/37] vfio/iommufd: Bypass EEH if iommufd backend Date: Thu, 26 Oct 2023 18:30:56 +0800 Message-Id: <20231026103104.1686921-30-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026103104.1686921-1-zhenzhong.duan@intel.com> References: <20231026103104.1686921-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=134.134.136.126; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 IBM EEH is only supported by legacy backend currently, bypass it for IOMMUFD backend. Signed-off-by: Zhenzhong Duan --- hw/ppc/spapr_pci_vfio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c index d1d07bec46..a2518838a1 100644 --- a/hw/ppc/spapr_pci_vfio.c +++ b/hw/ppc/spapr_pci_vfio.c @@ -93,10 +93,10 @@ static VFIOContainer *vfio_eeh_as_container(AddressSpace *as) bcontainer = QLIST_FIRST(&space->containers); - if (QLIST_NEXT(bcontainer, next)) { + if (QLIST_NEXT(bcontainer, next) || bcontainer->ops != &vfio_legacy_ops) { /* * We don't yet have logic to synchronize EEH state across - * multiple containers + * multiple containers, iommufd isn't supported too. */ bcontainer = NULL; goto out;