From nobody Fri Dec 19 09:28:11 2025 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 DE78EC4167B for ; Thu, 7 Dec 2023 06:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377725AbjLGGsX (ORCPT ); Thu, 7 Dec 2023 01:48:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231193AbjLGGsO (ORCPT ); Thu, 7 Dec 2023 01:48:14 -0500 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 014EC10CC; Wed, 6 Dec 2023 22:48:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701931700; x=1733467700; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/VO/6EbwWdzOPhuUcdpmviRB/EVopdo3GTWKwLejoSc=; b=mmhYk4A6B55OWyzf6OspRWGJYtuv+dVqzT878sV74XZgpXYbBkoDwkkx ql/lSqFTsJgvJMT5GbtVHjKnFgxAxKMVEWZ3ArdcMc5UlAaNEsrDT8Vqr EkDwZXesVQJ3WPXnNYJGFBjcxb12r3JjA95zeRL615MhKWYmchUsDxptk yryFrAZUjp35bVneUk4r5lYxuPcmzFhqtPowMP3JPfmKxzv5q+lv8uFX+ EXxWPrzKQ+VXYCebrEEBWkVc9r5uHMwuHs2B7uTvpgaULHogJjLlN4FOC ki0mem3kJQC0dwXcySmulFema0hq2uVCxp2q0Bb8ARpPufmiApEqlQwuH A==; X-IronPort-AV: E=McAfee;i="6600,9927,10916"; a="1014931" X-IronPort-AV: E=Sophos;i="6.04,256,1695711600"; d="scan'208";a="1014931" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2023 22:48:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10916"; a="771611575" X-IronPort-AV: E=Sophos;i="6.04,256,1695711600"; d="scan'208";a="771611575" Received: from allen-box.sh.intel.com ([10.239.159.127]) by orsmga002.jf.intel.com with ESMTP; 06 Dec 2023 22:48:13 -0800 From: Lu Baolu To: Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian , Jean-Philippe Brucker , Nicolin Chen Cc: Yi Liu , Jacob Pan , Longfang Liu , Yan Zhao , iommu@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Baolu , Jason Gunthorpe Subject: [PATCH v8 04/12] iommu: Cleanup iopf data structure definitions Date: Thu, 7 Dec 2023 14:43:00 +0800 Message-Id: <20231207064308.313316-5-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231207064308.313316-1-baolu.lu@linux.intel.com> References: <20231207064308.313316-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" struct iommu_fault_page_request and struct iommu_page_response are not part of uAPI anymore. Convert them to data structures for kAPI. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian Reviewed-by: Yi Liu Tested-by: Yan Zhao Tested-by: Longfang Liu --- include/linux/iommu.h | 27 +++++++++++---------------- drivers/iommu/io-pgfault.c | 1 - drivers/iommu/iommu.c | 4 ---- 3 files changed, 11 insertions(+), 21 deletions(-) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index c1e4369b1957..ca539df70a67 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -71,12 +71,12 @@ struct iommu_fault_page_request { #define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1) #define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2) #define IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID (1 << 3) - __u32 flags; - __u32 pasid; - __u32 grpid; - __u32 perm; - __u64 addr; - __u64 private_data[2]; + u32 flags; + u32 pasid; + u32 grpid; + u32 perm; + u64 addr; + u64 private_data[2]; }; =20 /** @@ -85,7 +85,7 @@ struct iommu_fault_page_request { * @prm: Page Request message, when @type is %IOMMU_FAULT_PAGE_REQ */ struct iommu_fault { - __u32 type; + u32 type; struct iommu_fault_page_request prm; }; =20 @@ -106,8 +106,6 @@ enum iommu_page_response_code { =20 /** * struct iommu_page_response - Generic page response information - * @argsz: User filled size of this data - * @version: API version of this structure * @flags: encodes whether the corresponding fields are valid * (IOMMU_FAULT_PAGE_RESPONSE_* values) * @pasid: Process Address Space ID @@ -115,14 +113,11 @@ enum iommu_page_response_code { * @code: response code from &enum iommu_page_response_code */ struct iommu_page_response { - __u32 argsz; -#define IOMMU_PAGE_RESP_VERSION_1 1 - __u32 version; #define IOMMU_PAGE_RESP_PASID_VALID (1 << 0) - __u32 flags; - __u32 pasid; - __u32 grpid; - __u32 code; + u32 flags; + u32 pasid; + u32 grpid; + u32 code; }; =20 =20 diff --git a/drivers/iommu/io-pgfault.c b/drivers/iommu/io-pgfault.c index e5b8b9110c13..24b5545352ae 100644 --- a/drivers/iommu/io-pgfault.c +++ b/drivers/iommu/io-pgfault.c @@ -56,7 +56,6 @@ static int iopf_complete_group(struct device *dev, struct= iopf_fault *iopf, enum iommu_page_response_code status) { struct iommu_page_response resp =3D { - .version =3D IOMMU_PAGE_RESP_VERSION_1, .pasid =3D iopf->fault.prm.pasid, .grpid =3D iopf->fault.prm.grpid, .code =3D status, diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index d0a28667479a..2064946e2bb4 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1483,10 +1483,6 @@ int iommu_page_response(struct device *dev, if (!param || !param->fault_param) return -EINVAL; =20 - if (msg->version !=3D IOMMU_PAGE_RESP_VERSION_1 || - msg->flags & ~IOMMU_PAGE_RESP_PASID_VALID) - return -EINVAL; - /* Only send response if there is a fault report pending */ mutex_lock(¶m->fault_param->lock); if (list_empty(¶m->fault_param->faults)) { --=20 2.34.1