From patchwork Thu Sep 28 04:27:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13401938 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 8031CCE7AFE for ; Thu, 28 Sep 2023 04:31:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230241AbjI1EbV (ORCPT ); Thu, 28 Sep 2023 00:31:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230188AbjI1EbS (ORCPT ); Thu, 28 Sep 2023 00:31:18 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CBA21AB; Wed, 27 Sep 2023 21:31:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695875473; x=1727411473; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vf95LZG+Z/RY+5AhNHzTi/EmrITFl3460aqCEJnFT94=; b=IU4mlajZUd544Y/eodtosaR18/OrksYi22Zqs7mYIODbnjIYXnBW1VeN mB4f2OiYAGAHZSYOiOwBGhCRtf0xg59YaQnTIgm7OJdVUllHiD5aaJXc7 mursXHGPAT4ijYOCXwE4fKGGuCiaMRmnArmEr0ZKjtr1itHJvnul3DLNH fYNfVz9TByNFBKuHG6+o/i+3Sju4I9RjdJZB7B1ARTo+p5q1RbWEUwKzi h5p2IVXvR/IDVv3VHPgEWQSi18avOt6aZbULEfkOaNuioozgWysrTnmVf T/jsbTe7BTLQL7MoYdMPsd1Z+WjyX1BqQ3/+NYpeCTeM8bzsfc7wETXbI w==; X-IronPort-AV: E=McAfee;i="6600,9927,10846"; a="379260455" X-IronPort-AV: E=Sophos;i="6.03,182,1694761200"; d="scan'208";a="379260455" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2023 21:31:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10846"; a="923068858" X-IronPort-AV: E=Sophos;i="6.03,182,1694761200"; d="scan'208";a="923068858" Received: from allen-box.sh.intel.com ([10.239.159.127]) by orsmga005.jf.intel.com with ESMTP; 27 Sep 2023 21:31:08 -0700 From: Lu Baolu To: Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian , Jean-Philippe Brucker , Nicolin Chen Cc: Yi Liu , Jacob Pan , iommu@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Baolu , Jason Gunthorpe Subject: [PATCH v6 04/12] iommu: Cleanup iopf data structure definitions Date: Thu, 28 Sep 2023 12:27:26 +0800 Message-Id: <20230928042734.16134-5-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230928042734.16134-1-baolu.lu@linux.intel.com> References: <20230928042734.16134-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 --- 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 8be9e9cd6576..41384009e217 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -69,12 +69,12 @@ 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]; }; /** @@ -83,7 +83,7 @@ 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; }; @@ -104,8 +104,6 @@ enum iommu_page_response_code { /** * 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 @@ -113,14 +111,11 @@ 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; }; 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 = { - .version = IOMMU_PAGE_RESP_VERSION_1, .pasid = iopf->fault.prm.pasid, .grpid = iopf->fault.prm.grpid, .code = status, diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 1ecac2b5c54f..cb3ace7bbfa6 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1464,10 +1464,6 @@ int iommu_page_response(struct device *dev, if (!param || !param->fault_param) return -EINVAL; - if (msg->version != 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)) {