From patchwork Wed Feb 19 08:22:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13981698 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 28FA0C021AA for ; Wed, 19 Feb 2025 08:28:22 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tkfPf-0005Tp-E2; Wed, 19 Feb 2025 03:26:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tkfPb-0005Sw-VM for qemu-devel@nongnu.org; Wed, 19 Feb 2025 03:26:32 -0500 Received: from mgamail.intel.com ([192.198.163.17]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tkfPY-0004aU-Jt for qemu-devel@nongnu.org; Wed, 19 Feb 2025 03:26:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739953589; x=1771489589; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DwB7fnwqRjP31Cbn8rb1uxbObLpHT+AdggbslqZmPsU=; b=nBsJXM1L0IVCzgBXFISNKdtwpuV3zVdenXeKBg0xbq/IzKSE9mNuO16x c1t+VUR1gcueakh+pUu/jVJMJv4Mt83Ry5oxz+NBXgJ/Tw/MFnJU5mtMp hB8TBWZd03NpXpQIVKk+LSTMlJKVSmMjbqij/aquRtKZ26Nyiu8xiIMqj xn5rtDwrIPgdjCUUOeNbVGYlLdIaYjvziQaUe2ao7B9F6wJL3CFB/K6kM 4AJCSOwZ4/FHRp+wi+SbhSKzC0Rh3/gn5cw7dVqR+uEYOpQbsTW9bbBQu ejw65CERcUoB+LiLwPuQdTdY1tCDiUoqa1WQOpjPw44a8hkWIyy99TRvd g==; X-CSE-ConnectionGUID: qrZancl4TtKo7JIiI6KoOg== X-CSE-MsgGUID: luorRDEZRRmF4NbjF/mKiw== X-IronPort-AV: E=McAfee;i="6700,10204,11348"; a="40544098" X-IronPort-AV: E=Sophos;i="6.13,298,1732608000"; d="scan'208";a="40544098" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2025 00:26:27 -0800 X-CSE-ConnectionGUID: /PW0ZOciRkmss4EAucLceA== X-CSE-MsgGUID: iXWbtxWUTN6qeovslgMyog== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="119851023" Received: from spr-s2600bt.bj.intel.com ([10.240.192.127]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2025 00:26:23 -0800 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, jasowang@redhat.com, peterx@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, shameerali.kolothum.thodi@huawei.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH rfcv2 05/20] vfio/iommufd: Implement [at|de]tach_hwpt handlers Date: Wed, 19 Feb 2025 16:22:13 +0800 Message-Id: <20250219082228.3303163-6-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250219082228.3303163-1-zhenzhong.duan@intel.com> References: <20250219082228.3303163-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.17; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -47 X-Spam_score: -4.8 X-Spam_bar: ---- X-Spam_report: (-4.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.423, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Implement [at|de]tach_hwpt handlers in VFIO subsystem. vIOMMU utilizes them to attach to or detach from hwpt on host side. Signed-off-by: Yi Liu Signed-off-by: Zhenzhong Duan --- hw/vfio/iommufd.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 53639bf88b..175c4fe1f4 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -802,6 +802,24 @@ static void vfio_iommu_iommufd_class_init(ObjectClass *klass, void *data) vioc->query_dirty_bitmap = iommufd_query_dirty_bitmap; }; +static bool +host_iommu_device_iommufd_vfio_attach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + uint32_t hwpt_id, Error **errp) +{ + VFIODevice *vbasedev = HOST_IOMMU_DEVICE(idev)->agent; + + return !iommufd_cdev_attach_ioas_hwpt(vbasedev, hwpt_id, errp); +} + +static bool +host_iommu_device_iommufd_vfio_detach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + Error **errp) +{ + VFIODevice *vbasedev = HOST_IOMMU_DEVICE(idev)->agent; + + return iommufd_cdev_detach_ioas_hwpt(vbasedev, errp); +} + static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *hiod, void *opaque, Error **errp) { @@ -863,11 +881,15 @@ hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice *hiod) static void hiod_iommufd_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc); + HostIOMMUDeviceIOMMUFDClass *idevc = HOST_IOMMU_DEVICE_IOMMUFD_CLASS(oc); hiodc->realize = hiod_iommufd_vfio_realize; hiodc->realize_late = hiod_iommufd_vfio_realize_late; hiodc->get_iova_ranges = hiod_iommufd_vfio_get_iova_ranges; hiodc->get_page_size_mask = hiod_iommufd_vfio_get_page_size_mask; + + idevc->attach_hwpt = host_iommu_device_iommufd_vfio_attach_hwpt; + idevc->detach_hwpt = host_iommu_device_iommufd_vfio_detach_hwpt; }; static const TypeInfo types[] = {