From mboxrd@z Thu Jan 1 00:00:00 1970 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 052C5C43217 for ; Tue, 8 Nov 2022 07:42:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233647AbiKHHmI (ORCPT ); Tue, 8 Nov 2022 02:42:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233554AbiKHHld (ORCPT ); Tue, 8 Nov 2022 02:41:33 -0500 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 156CE1A384 for ; Mon, 7 Nov 2022 23:41:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667893287; x=1699429287; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zTZb7UZzftplWCVlQbHsdD95SGetcv/Zvq7nWlgOBsA=; b=bExh9GIjyKScMrxBk7bupD2oRPwhM09NFVtr8pj3Cf4h//bvgcZuJluD VpDbH2DizupXiLFeykZA3yo+q1DrVH71l0WbdjJWfChsG91n86u6rSDCI elL8V6Wn//TjKXn++ewylkaxiINqFLMjtEnQXL1cLTiGTRK58pRc7IK/+ PKox+2btsextZMi65UTLSkT8aXNFzXHVevJTED8pSMFJC+xTgL1g4PYpc Lqej/DKlTEqvgIvvNVo7+nXoUV3sS85odBjQNPQ2c/inNRHcm6i0ZDCRD uM9yNXaY4uYVXaJJyrIbRprDGp5oiZupv5dT1YQwwdumzgBtyBVhGKBrV Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10524"; a="309339948" X-IronPort-AV: E=Sophos;i="5.96,147,1665471600"; d="scan'208";a="309339948" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2022 23:41:13 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10524"; a="699821940" X-IronPort-AV: E=Sophos;i="5.96,147,1665471600"; d="scan'208";a="699821940" Received: from allen-box.sh.intel.com ([10.239.159.48]) by fmsmga008.fm.intel.com with ESMTP; 07 Nov 2022 23:41:10 -0800 From: Lu Baolu To: iommu@lists.linux.dev Cc: Joerg Roedel , Kevin Tian , Will Deacon , Robin Murphy , Liu Yi L , Jacob jun Pan , linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v2 5/8] iommu/vt-d: Fold dmar_remove_one_dev_info() into its caller Date: Tue, 8 Nov 2022 15:34:05 +0800 Message-Id: <20221108073408.1005721-6-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221108073408.1005721-1-baolu.lu@linux.intel.com> References: <20221108073408.1005721-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fold dmar_remove_one_dev_info() into intel_iommu_release_device() which is its only caller. Replace most of the code with device_block_translation() to make the code neat and tidy. Rename iommu_disable_dev_iotlb() to iommu_disable_pci_caps() to pair with iommu_enable_pci_caps(). Signed-off-by: Lu Baolu --- drivers/iommu/intel/iommu.c | 31 +++++-------------------------- 1 file changed, 5 insertions(+), 26 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 5d5d08192c2c..8bbe516f7d21 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1479,7 +1479,7 @@ static void iommu_enable_pci_caps(struct device_domain_info *info) } } -static void iommu_disable_dev_iotlb(struct device_domain_info *info) +static void iommu_disable_pci_caps(struct device_domain_info *info) { struct pci_dev *pdev; @@ -4124,30 +4124,6 @@ static void domain_context_clear(struct device_domain_info *info) &domain_context_clear_one_cb, info); } -static void dmar_remove_one_dev_info(struct device *dev) -{ - struct device_domain_info *info = dev_iommu_priv_get(dev); - struct dmar_domain *domain = info->domain; - struct intel_iommu *iommu = info->iommu; - unsigned long flags; - - if (!dev_is_real_dma_subdevice(info->dev)) { - if (dev_is_pci(info->dev) && sm_supported(iommu)) - intel_pasid_tear_down_entry(iommu, info->dev, - PASID_RID2PASID, false); - - iommu_disable_dev_iotlb(info); - domain_context_clear(info); - } - - spin_lock_irqsave(&domain->lock, flags); - list_del(&info->link); - spin_unlock_irqrestore(&domain->lock, flags); - - domain_detach_iommu(domain, iommu); - info->domain = NULL; -} - /* * Clear the page table pointer in context or pasid table entries so that * all DMA requests without PASID from the device are blocked. If the page @@ -4596,7 +4572,10 @@ static void intel_iommu_release_device(struct device *dev) { struct device_domain_info *info = dev_iommu_priv_get(dev); - dmar_remove_one_dev_info(dev); + iommu_disable_pci_caps(info); + domain_context_clear(info); + device_block_translation(dev); + intel_pasid_free_table(dev); dev_iommu_priv_set(dev, NULL); kfree(info); -- 2.34.1