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 X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EE45C433DB for ; Fri, 15 Jan 2021 12:16:57 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 31BFC2256F for ; Fri, 15 Jan 2021 12:16:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31BFC2256F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HlzgK8/ojdaqLV42kbIEQlX8jQfsw/2JzKeoZw/ew3s=; b=Enje4H0nSVJfZh4baGDLLvsZUy EuDap0Z1wu6DkvZKW8y2tZ5V083rZYXISLr2gadRiXK3IHf44W7X3eLO9joRo3nxyypbekX/dT9sK Lv4INWXsoS0Wmb5+xgcrXvpQ7FErejok6qy7CzWmzSWpgiIvIgQ40Y4xAMk3Z/5KPUSOCvTzOGHjr 2W3v81rY2qrSlvjHMjZvBnIV+tK/kEIrEqtNjF619pU+27yoQqomuvYybwVrwsTOrsJxWLl87Ucxt 5+M8bbKfJlq1kex/Z86AWRUbn2AQ8YGnGXLnLH20LhVE2ltVxC2NBwd6Iguq6sBu31Y38CbBrrPx/ qfv4QMDQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l0Nzt-0007C9-6c; Fri, 15 Jan 2021 12:14:33 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l0Nzh-00077L-69 for linux-arm-kernel@lists.infradead.org; Fri, 15 Jan 2021 12:14:23 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 97496139F; Fri, 15 Jan 2021 04:14:17 -0800 (PST) Received: from usa.arm.com (a074945.blr.arm.com [10.162.16.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1C3083F70D; Fri, 15 Jan 2021 04:14:12 -0800 (PST) From: Vivek Gautam To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org Subject: [PATCH RFC v1 05/15] iommu/arm-smmu-v3: Set sync op from consumer driver of cd-lib Date: Fri, 15 Jan 2021 17:43:32 +0530 Message-Id: <20210115121342.15093-6-vivek.gautam@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210115121342.15093-1-vivek.gautam@arm.com> References: <20210115121342.15093-1-vivek.gautam@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210115_071421_472075_9B028372 X-CRM114-Status: GOOD ( 17.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jean-philippe@linaro.org, kevin.tian@intel.com, jacob.jun.pan@linux.intel.com, mst@redhat.com, joro@8bytes.org, will.deacon@arm.com, shameerali.kolothum.thodi@huawei.com, eric.auger@redhat.com, alex.williamson@redhat.com, yi.l.liu@intel.com, vivek.gautam@arm.com, lorenzo.pieralisi@arm.com, robin.murphy@arm.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Te change allows different consumers of arm-smmu-v3-cd-lib to set their respective sync op for pasid entries. Signed-off-by: Vivek Gautam Cc: Joerg Roedel Cc: Will Deacon Cc: Robin Murphy Cc: Jean-Philippe Brucker Cc: Eric Auger Cc: Alex Williamson Cc: Kevin Tian Cc: Jacob Pan Cc: Liu Yi L Cc: Lorenzo Pieralisi Cc: Shameerali Kolothum Thodi --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c | 1 - drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 +++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c index ec37476c8d09..acaa09acecdd 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c @@ -265,7 +265,6 @@ struct iommu_vendor_psdtable_ops arm_cd_table_ops = { .free = arm_smmu_free_cd_tables, .prepare = arm_smmu_prepare_cd, .write = arm_smmu_write_ctx_desc, - .sync = arm_smmu_sync_cd, }; struct iommu_pasid_table *arm_smmu_register_cd_table(struct device *dev, diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 2f86c6ac42b6..0c644be22b4b 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -1869,6 +1869,13 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain, if (ret) goto out_free_cd_tables; + /* + * Strange to setup an op here? + * cd-lib is the actual user of sync op, and therefore the platform + * drivers should assign this sync/maintenance ops as per need. + */ + tbl->ops->sync = arm_smmu_sync_cd; + /* * Note that this will end up calling arm_smmu_sync_cd() before * the master has been added to the devices list for this domain. -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel