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 50F95C2A09B for ; Fri, 7 Aug 2026 14:48:21 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8F4A940E4A; Fri, 7 Aug 2026 16:47:04 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by mails.dpdk.org (Postfix) with ESMTP id DD9A540E3A for ; Fri, 7 Aug 2026 16:47:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786114021; x=1817650021; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=NIyz1X1SLw+s2L4b7PEmjF0zPo7ntaumGMwOdGiyntM=; b=mQTOPY+gk2fpELd+d9yluo1qvkir1HJFpNRtCGgq4i4M0goAALH4HLci PQ6UlZmUScx0J0n2D/dWTp/WHvHhkIqdGYZIRQFRrT1xzi49SLnyHNM1L 9fd4gwvkZicKEkqs+8oHhK7SWzDudo4Igy4xocJMsyiXKtr+SVg78vT9/ UDy9PwgMvZIAThGQ9G0d1HAAKBrnO4Fo8Tzim0Ph97n1x70oeMop1KvdV ocNhrw27P9RDG+xN4KNiRCnSShUihuW2Eo5mp3BHCahrVIb3OuhuvRVOj amOlwMPObv88YaG9IZFEmKADtrNwl2xSqdjpYtbiUEgrhnTXGP8+i/zTP w==; X-CSE-ConnectionGUID: FN5ZlB1NSj2mz/f/f35t9g== X-CSE-MsgGUID: iUBxsn0vTfiQ83Na1I8z3g== X-IronPort-AV: E=McAfee;i="6800,10657,11868"; a="104257351" X-IronPort-AV: E=Sophos;i="6.25,210,1779174000"; d="scan'208";a="104257351" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Aug 2026 07:47:00 -0700 X-CSE-ConnectionGUID: cHrL9QRERheuW3QHmvGoag== X-CSE-MsgGUID: nrlUKf7ORXy3E3yUv/iihQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,210,1779174000"; d="scan'208";a="300623301" Received: from silpixa00401119.ir.intel.com ([10.20.224.206]) by orviesa001.jf.intel.com with ESMTP; 07 Aug 2026 07:46:59 -0700 From: Anatoly Burakov To: dev@dpdk.org, Hemant Agrawal , Sachin Saxena Subject: [PATCH v11 16/20] bus/fslmc: use the new VFIO mode API Date: Fri, 7 Aug 2026 15:46:25 +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 protect the bus from initializing in non-group mode. Signed-off-by: Anatoly Burakov Acked-by: Hemant Agrawal --- drivers/bus/fslmc/fslmc_bus.c | 11 ++++++++++- drivers/bus/fslmc/fslmc_vfio.c | 2 +- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c index 3626b12316..7cc2375fca 100644 --- a/drivers/bus/fslmc/fslmc_bus.c +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -332,6 +332,14 @@ rte_fslmc_scan(void) goto scan_fail; } + /* for container groups to work, VFIO must be in group mode */ + if (rte_vfio_get_mode() != RTE_VFIO_MODE_GROUP && + rte_vfio_get_mode() != RTE_VFIO_MODE_NOIOMMU) { + 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 +508,8 @@ 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 && rte_vfio_noiommu_is_enabled() == 0) + if (fslmc_all_device_support_iova() != 0 && + rte_vfio_get_mode() != RTE_VFIO_MODE_NOIOMMU) 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 3ca68ccf24..15273fcd57 100644 --- a/drivers/bus/fslmc/fslmc_vfio.c +++ b/drivers/bus/fslmc/fslmc_vfio.c @@ -192,7 +192,7 @@ 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 (rte_vfio_noiommu_is_enabled() > 0) + if (rte_vfio_get_mode() == RTE_VFIO_MODE_NOIOMMU) group->iommu_type = VFIO_NOIOMMU_IOMMU; else group->iommu_type = VFIO_TYPE1_IOMMU; -- 2.52.0