From patchwork Thu Feb 8 08:23:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13549412 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20EAE6BB55; Thu, 8 Feb 2024 08:23:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707380597; cv=none; b=am7v7zPJ22t5Boj59vYhII8NqGMEkFKvt/CoOQX6TOmeUlmocOpm1dHa0sp+yIHONV/riKHyQgIX4lWko6oEgzq8SjR4T6nrQypZ7El21ByruOKaDzzxvrn1GBBmEAN8HD2M1qn29GgAHSusgX3xLYu0RK8wAU22VGSd75FGnWw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707380597; c=relaxed/simple; bh=E5vqPNymMiBaUwgno+gdspERLQZxZHNPzxdUdl6DYtw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rqNP4LDMlwIpz9WQ1yO2Y9Tny9fMVEVqwc8VLobDiHyh7PGsYdZofs/wgrw1Qf073ZyeXhaKorrrg30O2u8XzrTebuCZg9k3TBzKu7YFyAdW0ZP87Log4zRRUUc5s5lTsqwPadnKyhkrzoGVABw0lQ5T88rZGhm+Q5hhKNQycZQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Ctn59+PP; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ctn59+PP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707380597; x=1738916597; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=E5vqPNymMiBaUwgno+gdspERLQZxZHNPzxdUdl6DYtw=; b=Ctn59+PPCl7yPs/4fKewQM9CkYzA2CNXLP2QIapjy/uGeWvLL1FbZTap /tUkPRNFzhxtnZiA+4skETRApuFEsiswvQUwxtlrUG+mB1GX00pCBOxov ygwUxSVJjtt9BsyJGot2pk6HpuKGpbHNvxBzv4tHLWicCHekpxvsbrFpg l6SAaNEmPXWgNlF+DKz9/+ZmLkhe5Pt5Wa6hHCCRF/xqSKwpZ8V7umcIx Hd/ZPlT29n2kNT4+YrgvVNE1XVy1TW3GBEAVo+SRdWxT3pwDXrLUibrqq joXTrZkep0RBt4fekhCmWEeumtdnnjKgGEsEDU3p3ar5Eja6AUXNTz16X g==; X-IronPort-AV: E=McAfee;i="6600,9927,10977"; a="5036353" X-IronPort-AV: E=Sophos;i="6.05,253,1701158400"; d="scan'208";a="5036353" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2024 00:23:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,253,1701158400"; d="scan'208";a="6252137" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orviesa003.jf.intel.com with ESMTP; 08 Feb 2024 00:23:15 -0800 From: Yi Liu To: joro@8bytes.org, jgg@nvidia.com, kevin.tian@intel.com, baolu.lu@linux.intel.com Cc: alex.williamson@redhat.com, robin.murphy@arm.com, eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org, chao.p.peng@linux.intel.com, yi.l.liu@intel.com, yi.y.sun@linux.intel.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, zhenzhong.duan@intel.com, joao.m.martins@oracle.com Subject: [PATCH rc 7/8] iommu/vt-d: Wrap the dirty tracking loop to be a helper Date: Thu, 8 Feb 2024 00:23:06 -0800 Message-Id: <20240208082307.15759-8-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240208082307.15759-1-yi.l.liu@intel.com> References: <20240208082307.15759-1-yi.l.liu@intel.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add device_set_dirty_tracking() to loop all the devices and set the dirty tracking per the @enable parameter. Signed-off-by: Yi Liu Reviewed-by: Kevin Tian Reviewed-by: Joao Martins --- drivers/iommu/intel/iommu.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index dae20991e036..7636d3f03905 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4730,23 +4730,35 @@ static void *intel_iommu_hw_info(struct device *dev, u32 *length, u32 *type) return vtd; } +static int +device_set_dirty_tracking(struct list_head *devices, bool enable) +{ + struct device_domain_info *info; + int ret = 0; + + list_for_each_entry(info, devices, link) { + ret = intel_pasid_setup_dirty_tracking(info->iommu, info->dev, + IOMMU_NO_PASID, enable); + if (ret) + break; + } + + return ret; +} + static int intel_iommu_set_dirty_tracking(struct iommu_domain *domain, bool enable) { struct dmar_domain *dmar_domain = to_dmar_domain(domain); - struct device_domain_info *info; int ret; spin_lock(&dmar_domain->lock); if (dmar_domain->dirty_tracking == enable) goto out_unlock; - list_for_each_entry(info, &dmar_domain->devices, link) { - ret = intel_pasid_setup_dirty_tracking(info->iommu, info->dev, - IOMMU_NO_PASID, enable); - if (ret) - goto err_unwind; - } + ret = device_set_dirty_tracking(&dmar_domain->devices, enable); + if (ret) + goto err_unwind; dmar_domain->dirty_tracking = enable; out_unlock: @@ -4755,10 +4767,8 @@ static int intel_iommu_set_dirty_tracking(struct iommu_domain *domain, return 0; err_unwind: - list_for_each_entry(info, &dmar_domain->devices, link) - intel_pasid_setup_dirty_tracking(info->iommu, info->dev, - IOMMU_NO_PASID, - dmar_domain->dirty_tracking); + device_set_dirty_tracking(&dmar_domain->devices, + dmar_domain->dirty_tracking); spin_unlock(&dmar_domain->lock); return ret; }