From patchwork Mon Mar 27 09:40:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13188962 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 6C5E5C7619A for ; Mon, 27 Mar 2023 09:41:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A872310E3A7; Mon, 27 Mar 2023 09:41:25 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 697EE10E3A4; Mon, 27 Mar 2023 09:41:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1679910066; x=1711446066; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lqH9Mg2E8/btKLH9D4C0XeJxf1WkNhIDxJzzt3vm7Wo=; b=nmQavsPYpBkElmo4jqGMviy/H/kj7nZ4id0tcHDWXhSyWVpsnD33dDek ll/kBsVkbymMERc2Q/Sq3RcKw/ggyTa6I28N0CKogf8ZU7wwPJXoixeE0 2DCqw9ZH8SStu/AVpwqUACj5dMHDgNVc2gpVAlMUg3E/LS55oJCIbf+0N GSj/GiDU02u/2a3t+HEFe4zFYhw/AcXtJkeeqCIGRAMCqjv+4+UrV+blo CF/r+CqtbyEn3zi4wDy728B3OyxIt153/JphcUptcrS9VXyjealSgR0t1 KO1rW8MgS89u0Zotb3GiYi94ia0/o5C0UJOklFqxPkW9Y0jOE78z/VjSn w==; X-IronPort-AV: E=McAfee;i="6600,9927,10661"; a="426485443" X-IronPort-AV: E=Sophos;i="5.98,294,1673942400"; d="scan'208";a="426485443" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2023 02:41:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10661"; a="660775839" X-IronPort-AV: E=Sophos;i="5.98,294,1673942400"; d="scan'208";a="660775839" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orsmga006.jf.intel.com with ESMTP; 27 Mar 2023 02:41:05 -0700 From: Yi Liu To: alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com Date: Mon, 27 Mar 2023 02:40:42 -0700 Message-Id: <20230327094047.47215-20-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230327094047.47215-1-yi.l.liu@intel.com> References: <20230327094047.47215-1-yi.l.liu@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v8 19/24] vfio: Name noiommu vfio_device with "noiommu-" prefix X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mjrosato@linux.ibm.com, jasowang@redhat.com, xudong.hao@intel.com, peterx@redhat.com, terrence.xu@intel.com, chao.p.peng@linux.intel.com, linux-s390@vger.kernel.org, yi.l.liu@intel.com, kvm@vger.kernel.org, lulu@redhat.com, yanting.jiang@intel.com, joro@8bytes.org, nicolinc@nvidia.com, yan.y.zhao@intel.com, intel-gfx@lists.freedesktop.org, eric.auger@redhat.com, intel-gvt-dev@lists.freedesktop.org, yi.y.sun@linux.intel.com, cohuck@redhat.com, shameerali.kolothum.thodi@huawei.com, suravee.suthikulpanit@amd.com, robin.murphy@arm.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" For noiommu device, vfio core names the cdev node with prefix "noiommu-". Signed-off-by: Yi Liu Reviewed-by: Kevin Tian --- drivers/vfio/vfio_main.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 805c34c7b0ef..8e96aab27029 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -269,16 +269,17 @@ static int __vfio_register_dev(struct vfio_device *device, if (!device->dev_set) vfio_assign_device_set(device, device); - ret = dev_set_name(&device->device, "vfio%d", device->index); - if (ret) - return ret; - ret = vfio_device_set_group(device, type); if (ret) return ret; vfio_device_set_noiommu(device); + ret = dev_set_name(&device->device, "%svfio%d", + device->noiommu ? "noiommu-" : "", device->index); + if (ret) + goto err_out; + ret = device_add(&device->device); if (ret) goto err_out;