From patchwork Thu Oct 26 04:39:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13437225 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 AB49EC25B70 for ; Thu, 26 Oct 2023 04:39:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234338AbjJZEjw (ORCPT ); Thu, 26 Oct 2023 00:39:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233199AbjJZEjs (ORCPT ); Thu, 26 Oct 2023 00:39:48 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 428EB187; Wed, 25 Oct 2023 21:39:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698295186; x=1729831186; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ch3f1N0bCPpJiw/OvADgtjMDzXOjbqYOAsULFPOj6jI=; b=XZPYryNIjnRgXzyp2ZoEP+IH5lk2Xiec6xxRHkoZ5r7vWLF9ZnxelLq3 L3992L1M1AWiODkiJoFXauGGnY26oa/1rdfQaHdgnpYLHKhD7wEgEHNP3 0ztBxntPs24ddNggO06lfNdlkHOZMeBs2HhcgUKabuoJzFUMLibdEsDWz frzqUToom4ETQ8ndunS4/PlKXAjvRxaYs4gJTxwEB63n/79VMjPoNuJko HNmXa4B1OJmd9haoOubNbiOeyE8d9MAHScr7ULNgmpai3eKtk6PEF03qF 1/dcS6LLR/Y5/12EwuFS773S1NQ3YJkdtBRFp0+Yk4WtVwKyQbYT69X5R w==; X-IronPort-AV: E=McAfee;i="6600,9927,10874"; a="9014444" X-IronPort-AV: E=Sophos;i="6.03,252,1694761200"; d="scan'208";a="9014444" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 21:39:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10874"; a="708931283" X-IronPort-AV: E=Sophos;i="6.03,252,1694761200"; d="scan'208";a="708931283" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orsmga003.jf.intel.com with ESMTP; 25 Oct 2023 21:39:42 -0700 From: Yi Liu To: joro@8bytes.org, alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com, robin.murphy@arm.com, baolu.lu@linux.intel.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, zhenzhong.duan@intel.com, joao.m.martins@oracle.com, xin.zeng@intel.com Subject: [PATCH v7 02/10] iommufd: Rename IOMMUFD_OBJ_HW_PAGETABLE to IOMMUFD_OBJ_HWPT_PAGING Date: Wed, 25 Oct 2023 21:39:30 -0700 Message-Id: <20231026043938.63898-3-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026043938.63898-1-yi.l.liu@intel.com> References: <20231026043938.63898-1-yi.l.liu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Jason Gunthorpe To add a new IOMMUFD_OBJ_HWPT_NESTED, rename the HWPT object to confine it to PAGING hwpts/domains. The following patch will separate the hwpt structure as well. Signed-off-by: Nicolin Chen Signed-off-by: Yi Liu Reviewed-by: Kevin Tian Reviewed-by: Jason Gunthorpe Signed-off-by: Jason Gunthorpe --- drivers/iommu/iommufd/device.c | 10 +++++----- drivers/iommu/iommufd/hw_pagetable.c | 2 +- drivers/iommu/iommufd/iommufd_private.h | 4 ++-- drivers/iommu/iommufd/main.c | 2 +- drivers/iommu/iommufd/selftest.c | 2 +- 5 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index 0a8867487508..449b64e6ef53 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -563,7 +563,7 @@ static int iommufd_device_change_pt(struct iommufd_device *idev, u32 *pt_id, return PTR_ERR(pt_obj); switch (pt_obj->type) { - case IOMMUFD_OBJ_HW_PAGETABLE: { + case IOMMUFD_OBJ_HWPT_PAGING: { struct iommufd_hw_pagetable *hwpt = container_of(pt_obj, struct iommufd_hw_pagetable, obj); @@ -601,8 +601,8 @@ static int iommufd_device_change_pt(struct iommufd_device *idev, u32 *pt_id, /** * iommufd_device_attach - Connect a device to an iommu_domain * @idev: device to attach - * @pt_id: Input a IOMMUFD_OBJ_IOAS, or IOMMUFD_OBJ_HW_PAGETABLE - * Output the IOMMUFD_OBJ_HW_PAGETABLE ID + * @pt_id: Input a IOMMUFD_OBJ_IOAS, or IOMMUFD_OBJ_HWPT_PAGING + * Output the IOMMUFD_OBJ_HWPT_PAGING ID * * This connects the device to an iommu_domain, either automatically or manually * selected. Once this completes the device could do DMA. @@ -630,8 +630,8 @@ EXPORT_SYMBOL_NS_GPL(iommufd_device_attach, IOMMUFD); /** * iommufd_device_replace - Change the device's iommu_domain * @idev: device to change - * @pt_id: Input a IOMMUFD_OBJ_IOAS, or IOMMUFD_OBJ_HW_PAGETABLE - * Output the IOMMUFD_OBJ_HW_PAGETABLE ID + * @pt_id: Input a IOMMUFD_OBJ_IOAS, or IOMMUFD_OBJ_HWPT_PAGING + * Output the IOMMUFD_OBJ_HWPT_PAGING ID * * This is the same as:: * diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index c2b742ffeb0c..8dc2b39f8cb0 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -86,7 +86,7 @@ iommufd_hw_pagetable_alloc(struct iommufd_ctx *ictx, struct iommufd_ioas *ioas, if (flags && !ops->domain_alloc_user) return ERR_PTR(-EOPNOTSUPP); - hwpt = iommufd_object_alloc(ictx, hwpt, IOMMUFD_OBJ_HW_PAGETABLE); + hwpt = iommufd_object_alloc(ictx, hwpt, IOMMUFD_OBJ_HWPT_PAGING); if (IS_ERR(hwpt)) return hwpt; diff --git a/drivers/iommu/iommufd/iommufd_private.h b/drivers/iommu/iommufd/iommufd_private.h index 43410fd53157..70bebad63a74 100644 --- a/drivers/iommu/iommufd/iommufd_private.h +++ b/drivers/iommu/iommufd/iommufd_private.h @@ -123,7 +123,7 @@ enum iommufd_object_type { IOMMUFD_OBJ_NONE, IOMMUFD_OBJ_ANY = IOMMUFD_OBJ_NONE, IOMMUFD_OBJ_DEVICE, - IOMMUFD_OBJ_HW_PAGETABLE, + IOMMUFD_OBJ_HWPT_PAGING, IOMMUFD_OBJ_IOAS, IOMMUFD_OBJ_ACCESS, #ifdef CONFIG_IOMMUFD_TEST @@ -256,7 +256,7 @@ static inline struct iommufd_hw_pagetable * iommufd_get_hwpt(struct iommufd_ucmd *ucmd, u32 id) { return container_of(iommufd_get_object(ucmd->ictx, id, - IOMMUFD_OBJ_HW_PAGETABLE), + IOMMUFD_OBJ_HWPT_PAGING), struct iommufd_hw_pagetable, obj); } int iommufd_hwpt_set_dirty_tracking(struct iommufd_ucmd *ucmd); diff --git a/drivers/iommu/iommufd/main.c b/drivers/iommu/iommufd/main.c index d50f42a730aa..46198e8948d6 100644 --- a/drivers/iommu/iommufd/main.c +++ b/drivers/iommu/iommufd/main.c @@ -488,7 +488,7 @@ static const struct iommufd_object_ops iommufd_object_ops[] = { [IOMMUFD_OBJ_IOAS] = { .destroy = iommufd_ioas_destroy, }, - [IOMMUFD_OBJ_HW_PAGETABLE] = { + [IOMMUFD_OBJ_HWPT_PAGING] = { .destroy = iommufd_hw_pagetable_destroy, .abort = iommufd_hw_pagetable_abort, }, diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index d8551c9d5b6c..068928ba7950 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -437,7 +437,7 @@ get_md_pagetable(struct iommufd_ucmd *ucmd, u32 mockpt_id, struct iommufd_object *obj; obj = iommufd_get_object(ucmd->ictx, mockpt_id, - IOMMUFD_OBJ_HW_PAGETABLE); + IOMMUFD_OBJ_HWPT_PAGING); if (IS_ERR(obj)) return ERR_CAST(obj); hwpt = container_of(obj, struct iommufd_hw_pagetable, obj);