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 Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 802B3C9830E for ; Thu, 24 Sep 2026 16:17:28 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 95CE143300; Thu, 24 Sep 2026 18:14:25 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by mails.dpdk.org (Postfix) with ESMTP id 510AF43314 for ; Thu, 24 Sep 2026 18:14:22 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790266463; x=1821802463; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=rjj4buUm0eE8bdC037my+G4Mm1fdpQf6aAt9ZdTlL1w=; b=IUWtWW2v5rs5ElcUIifLkHxYwKMhwwLMi1Lzr3iKTjMudMUb0IB/jXdP P6hrZB9kvd0yabQdZhu0a5Y9c78QufefembxkcuZSz18btH354Rm97Tzi QVnNIhyYsmNANUEG2DGMDMLNUsv/ejkyz55/fRCyHBYB1fZGfnic+EvGz Sns1IDsMmPanrcSYetsvGZrU7QXWnu2s7w+k+YY4+WMgife14Ke054zl2 7RnJwQXCB4zJUP5uI2vN0t56z4JPWZd6cYHg95WlTca8V0efuPizCTNla IQI2UWFhWy6s55n5UaQxq/hLdOazL6ytFxMBwVcL0p22lZ44gA1FWZawc Q==; X-CSE-ConnectionGUID: 2pZ0TH4dRbmYYhfCAX1+fw== X-CSE-MsgGUID: xMNJY2V/T5mrT93/hwN9TA== X-IronPort-AV: E=McAfee;i="6800,10657,11915"; a="90000761" X-IronPort-AV: E=Sophos;i="6.27,120,1787036400"; d="scan'208";a="90000761" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2026 09:14:22 -0700 X-CSE-ConnectionGUID: AYy4Gt2eSGOF4LicjUBrIg== X-CSE-MsgGUID: K6h9dugvSXmzmhMSY1Lazg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,120,1787036400"; d="scan'208";a="277830120" Received: from silpixa00401119.ir.intel.com ([10.20.224.206]) by orviesa005.jf.intel.com with ESMTP; 24 Sep 2026 09:14:21 -0700 From: Anatoly Burakov To: dev@dpdk.org, Hemant Agrawal , Sachin Saxena Subject: [PATCH v18 25/29] bus/fslmc: use the new VFIO IOVA mode API Date: Thu, 24 Sep 2026 17:13:32 +0100 Message-ID: X-Mailer: git-send-email 2.52.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org FSLMC bus only supports operating in group mode, and relies on no-IOMMU mode checks. Use the new VFIO API's to query no-IOMMU status as well as to protect the bus from initializing in non-group mode. Signed-off-by: Anatoly Burakov Acked-by: Hemant Agrawal --- drivers/bus/fslmc/fslmc_bus.c | 10 +++++++++- drivers/bus/fslmc/fslmc_vfio.c | 2 +- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c index d55c414eada..afb45e15db2 100644 --- a/drivers/bus/fslmc/fslmc_bus.c +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -332,6 +332,13 @@ rte_fslmc_scan(void) goto scan_fail; } + /* for container groups to work, VFIO must be in group mode */ + if (dev_vfio_get_mode() != DEV_VFIO_MODE_GROUP) { + DPAA2_BUS_DEBUG("DPAA2: VFIO not in group mode"); + ret = -EINVAL; + goto scan_fail; + } + ret = fslmc_get_container_group(group_name, &groupid); if (ret != 0) goto scan_fail; @@ -500,7 +507,8 @@ rte_dpaa2_get_iommu_class(void) return RTE_IOVA_DC; /* check if all devices on the bus support Virtual addressing or not */ - if (fslmc_all_device_support_iova() != 0 && dev_vfio_noiommu_is_enabled() == 0) + if (fslmc_all_device_support_iova() != 0 && + dev_vfio_get_iova_mode() == DEV_VFIO_IOVA_MODE_VA) return RTE_IOVA_VA; return RTE_IOVA_PA; diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c index c2b6ac1f3f7..8e80336d517 100644 --- a/drivers/bus/fslmc/fslmc_vfio.c +++ b/drivers/bus/fslmc/fslmc_vfio.c @@ -204,7 +204,7 @@ fslmc_vfio_add_group(int vfio_group_fd, group->fd = vfio_group_fd; group->groupid = iommu_group_num; rte_strscpy(group->group_name, group_name, sizeof(group->group_name)); - if (dev_vfio_noiommu_is_enabled() > 0) + if (dev_vfio_get_iova_mode() == DEV_VFIO_IOVA_MODE_PA) group->iommu_type = VFIO_NOIOMMU_IOMMU; else group->iommu_type = VFIO_TYPE1_IOMMU; -- 2.52.0