From patchwork Thu Feb 9 04:31:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 653074 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE0ABC61DA4 for ; Thu, 9 Feb 2023 04:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229831AbjBIEe7 (ORCPT ); Wed, 8 Feb 2023 23:34:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230257AbjBIEdt (ORCPT ); Wed, 8 Feb 2023 23:33:49 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53820457F1; Wed, 8 Feb 2023 20:32:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1675917160; x=1707453160; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RfT4R/xTBwZsk8AEoHLAHBvK4hYBuXf+5pIwXQ6TqQw=; b=nT9GYdMVpkOL5y2Y74N2jEJ8RvrkFcJM1Y2qgEtjSH4Z0dHdbpJOjceE uBCHDNZp7kWrkCJevRc/hwELompD/r2oaWKpsYc4wIYRHciLZfsUu5TVV U555ilUofG6ccxY/WnU9wM010fTrbKH1+R03S/QPEdriThmjK3lAsX5T7 h3Rae6Dix1aMQG3IKgcDAPE+P+PYhUcReREmZcIfbdQRrqicSUCJKPLiY 3owLTeviEMmljGKwM6XHb3j99YHeOVgE5zYic3gL8fXTnuG8z78t2K9Sd KSMnNSafmVVc8j4eMAbfR3uv+PQkQHNSXExkUEhe/rxljzE+UOQqB5XSj A==; X-IronPort-AV: E=McAfee;i="6500,9779,10615"; a="331298694" X-IronPort-AV: E=Sophos;i="5.97,281,1669104000"; d="scan'208";a="331298694" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2023 20:32:09 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10615"; a="669447517" X-IronPort-AV: E=Sophos;i="5.97,281,1669104000"; d="scan'208";a="669447517" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by fmsmga007.fm.intel.com with ESMTP; 08 Feb 2023 20:32:08 -0800 From: Yi Liu To: joro@8bytes.org, alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com, robin.murphy@arm.com Cc: cohuck@redhat.com, eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org, mjrosato@linux.ibm.com, chao.p.peng@linux.intel.com, yi.l.liu@intel.com, yi.y.sun@linux.intel.com, peterx@redhat.com, jasowang@redhat.com, shameerali.kolothum.thodi@huawei.com, lulu@redhat.com, suravee.suthikulpanit@amd.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, baolu.lu@linux.intel.com Subject: [PATCH 06/17] iommufd/hw_pagetable: Use domain_alloc_user op for domain allocation Date: Wed, 8 Feb 2023 20:31:42 -0800 Message-Id: <20230209043153.14964-7-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230209043153.14964-1-yi.l.liu@intel.com> References: <20230209043153.14964-1-yi.l.liu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This converts iommufd to use iommu_domain_alloc_user() for iommu_domain creation. Suggested-by: Jason Gunthorpe Signed-off-by: Nicolin Chen Signed-off-by: Yi Liu --- drivers/iommu/iommufd/hw_pagetable.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index 43d473989a06..08d963ee38c7 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -30,6 +30,7 @@ struct iommufd_hw_pagetable * iommufd_hw_pagetable_alloc(struct iommufd_ctx *ictx, struct iommufd_ioas *ioas, struct device *dev) { + const struct iommu_ops *ops; struct iommufd_hw_pagetable *hwpt; int rc; @@ -37,7 +38,13 @@ iommufd_hw_pagetable_alloc(struct iommufd_ctx *ictx, struct iommufd_ioas *ioas, if (IS_ERR(hwpt)) return hwpt; - hwpt->domain = iommu_domain_alloc(dev->bus); + ops = dev_iommu_ops(dev); + if (!ops || !ops->domain_alloc_user) { + rc = -EOPNOTSUPP; + goto out_abort; + } + + hwpt->domain = ops->domain_alloc_user(dev, NULL, NULL); if (!hwpt->domain) { rc = -ENOMEM; goto out_abort;