From patchwork Thu Jun 11 12:15:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 11599885 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15E05739 for ; Thu, 11 Jun 2020 12:10:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9705207C3 for ; Thu, 11 Jun 2020 12:10:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728264AbgFKMKR (ORCPT ); Thu, 11 Jun 2020 08:10:17 -0400 Received: from mga17.intel.com ([192.55.52.151]:41826 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728120AbgFKMJQ (ORCPT ); Thu, 11 Jun 2020 08:09:16 -0400 IronPort-SDR: ELf+8PttGbJalr1F61O5+aS6TMWOmaaxYa92LKeMlcK6Vbh7266zTGGVs60UUYb3GyN+/SGLgX ZVh8DAgUQ/Tg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2020 05:09:10 -0700 IronPort-SDR: zdJrmS05nqGvdCOFPSThSQmi8FAqZW48uSQ8cmjPhgjx2lPnU/4GQfi44jFm+5KANzVyxtEC1R w889JJzi9BCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,499,1583222400"; d="scan'208";a="419082485" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga004.jf.intel.com with ESMTP; 11 Jun 2020 05:09:09 -0700 From: Liu Yi L To: alex.williamson@redhat.com, eric.auger@redhat.com, baolu.lu@linux.intel.com, joro@8bytes.org Cc: kevin.tian@intel.com, jacob.jun.pan@linux.intel.com, ashok.raj@intel.com, yi.l.liu@intel.com, jun.j.tian@intel.com, yi.y.sun@intel.com, jean-philippe@linaro.org, peterx@redhat.com, hao.wu@intel.com, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 07/15] iommu/uapi: Add iommu_gpasid_unbind_data Date: Thu, 11 Jun 2020 05:15:26 -0700 Message-Id: <1591877734-66527-8-git-send-email-yi.l.liu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591877734-66527-1-git-send-email-yi.l.liu@intel.com> References: <1591877734-66527-1-git-send-email-yi.l.liu@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Existing iommu_gpasid_bind_data is used for binding guest page tables to a specified PASID. While for unwind it, a unbind_data structure is needed. Cc: Kevin Tian CC: Jacob Pan Cc: Alex Williamson Cc: Eric Auger Cc: Jean-Philippe Brucker Cc: Joerg Roedel Cc: Lu Baolu Signed-off-by: Liu Yi L Signed-off-by: Jacob Pan --- include/uapi/linux/iommu.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h index 02eac73..46a7c57 100644 --- a/include/uapi/linux/iommu.h +++ b/include/uapi/linux/iommu.h @@ -332,6 +332,19 @@ struct iommu_gpasid_bind_data { }; }; +/** + * struct iommu_gpasid_unbind_data - Information about device and guest PASID + * unbinding + * @argsz: User filled size of this data + * @flags: Additional information on guest unbind request + * @pasid: Process address space ID used for the guest mm in host IOMMU + */ +struct iommu_gpasid_unbind_data { + __u32 argsz; + __u64 flags; + __u64 pasid; +}; + struct iommu_nesting_info { __u32 size; __u32 format;