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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 1607EC433DB for ; Mon, 1 Mar 2021 08:44:17 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 A628B64E38 for ; Mon, 1 Mar 2021 08:44:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A628B64E38 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 78EEC8419A; Mon, 1 Mar 2021 08:44:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mRJoIWJT720k; Mon, 1 Mar 2021 08:44:15 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTP id 0D9B584135; Mon, 1 Mar 2021 08:44:15 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id DFDEFC000A; Mon, 1 Mar 2021 08:44:14 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6D849C0001; Mon, 1 Mar 2021 08:44:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 4D71942D1E; Mon, 1 Mar 2021 08:44:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=infradead.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zXTJIM-l0d7m; Mon, 1 Mar 2021 08:44:13 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by smtp2.osuosl.org (Postfix) with ESMTPS id 80B87414FE; Mon, 1 Mar 2021 08:44:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=pUcsphPWigH4OEMdmWgRpiuh3MS6g6fFYHTh1kVsXgg=; b=b6MABDcgRtZmZV8V0ij8kZT2TE J+fJpRU4chcSPhaTxsHp+rdsPv7E9ha8ma5uLphKAsMBBecZ02HIiZk+xENY22zOKMybW2T5wrH/K KJ9CaP575db7Y+ILGgXAG1wGrpm50YxHd1AEp91LETezHQOPsEGuM1+sboWbYzdoti8utsIx9DK2L aPyZDzi7LQGHSCV34P1jwPF7WqzghMa4tDueOzlZA6d0cSey3nsUUO6OjRLZh6C4649cJS/s126B3 Ruwm6ACiao+h0+pUc0OMGacncXtIpq3KE79ySnrIGdCjEuMfONGQglbjKPDMjYMm7XHUkpuDsRG91 6EP8/EJA==; Received: from [2001:4bb8:19b:e4b7:cdf9:733f:4874:8eb4] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lGe98-00FUWJ-0n; Mon, 01 Mar 2021 08:43:21 +0000 From: Christoph Hellwig To: Joerg Roedel , Will Deacon , Li Yang Subject: [PATCH 03/17] iommu/fsl_pamu: remove support for setting DOMAIN_ATTR_GEOMETRY Date: Mon, 1 Mar 2021 09:42:43 +0100 Message-Id: <20210301084257.945454-4-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210301084257.945454-1-hch@lst.de> References: <20210301084257.945454-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Cc: freedreno@lists.freedesktop.org, kvm@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, David Woodhouse , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" The default geometry is the same as the one set by qman_port given that FSL_PAMU depends on having 64-bit physical and thus DMA addresses. Remove the support to update the geometry and remove the now pointless geom_size field. Signed-off-by: Christoph Hellwig --- drivers/iommu/fsl_pamu_domain.c | 55 +++-------------------------- drivers/iommu/fsl_pamu_domain.h | 6 ---- drivers/soc/fsl/qbman/qman_portal.c | 12 ------- 3 files changed, 5 insertions(+), 68 deletions(-) diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index e587ec43f7e750..7bd08ddad07779 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -62,7 +62,7 @@ static phys_addr_t get_phys_addr(struct fsl_dma_domain *dma_domain, dma_addr_t i geom = &dma_domain->iommu_domain.geometry; - if (!win_cnt || !dma_domain->geom_size) { + if (!win_cnt) { pr_debug("Number of windows/geometry not configured for the domain\n"); return 0; } @@ -72,7 +72,7 @@ static phys_addr_t get_phys_addr(struct fsl_dma_domain *dma_domain, dma_addr_t i dma_addr_t subwin_iova; u32 wnd; - subwin_size = dma_domain->geom_size >> ilog2(win_cnt); + subwin_size = (geom->aperture_end + 1) >> ilog2(win_cnt); subwin_iova = iova & ~(subwin_size - 1); wnd = (subwin_iova - geom->aperture_start) >> ilog2(subwin_size); win_ptr = &dma_domain->win_arr[wnd]; @@ -234,7 +234,7 @@ static int pamu_set_liodn(int liodn, struct device *dev, get_ome_index(&omi_index, dev); window_addr = geom_attr->aperture_start; - window_size = dma_domain->geom_size; + window_size = geom_attr->aperture_end + 1; spin_lock_irqsave(&iommu_lock, flags); ret = pamu_disable_liodn(liodn); @@ -303,7 +303,6 @@ static struct fsl_dma_domain *iommu_alloc_dma_domain(void) domain->stash_id = ~(u32)0; domain->snoop_id = ~(u32)0; domain->win_cnt = pamu_get_max_subwin_cnt(); - domain->geom_size = 0; INIT_LIST_HEAD(&domain->devices); @@ -502,7 +501,8 @@ static int fsl_pamu_window_enable(struct iommu_domain *domain, u32 wnd_nr, return -EINVAL; } - win_size = dma_domain->geom_size >> ilog2(dma_domain->win_cnt); + win_size = (domain->geometry.aperture_end + 1) >> + ilog2(dma_domain->win_cnt); if (size > win_size) { pr_debug("Invalid window size\n"); spin_unlock_irqrestore(&dma_domain->domain_lock, flags); @@ -665,41 +665,6 @@ static void fsl_pamu_detach_device(struct iommu_domain *domain, pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node); } -static int configure_domain_geometry(struct iommu_domain *domain, void *data) -{ - struct iommu_domain_geometry *geom_attr = data; - struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain); - dma_addr_t geom_size; - unsigned long flags; - - geom_size = geom_attr->aperture_end - geom_attr->aperture_start + 1; - /* - * Sanity check the geometry size. Also, we do not support - * DMA outside of the geometry. - */ - if (check_size(geom_size, geom_attr->aperture_start) || - !geom_attr->force_aperture) { - pr_debug("Invalid PAMU geometry attributes\n"); - return -EINVAL; - } - - spin_lock_irqsave(&dma_domain->domain_lock, flags); - if (dma_domain->enabled) { - pr_debug("Can't set geometry attributes as domain is active\n"); - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); - return -EBUSY; - } - - /* Copy the domain geometry information */ - memcpy(&domain->geometry, geom_attr, - sizeof(struct iommu_domain_geometry)); - dma_domain->geom_size = geom_size; - - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); - - return 0; -} - /* Set the domain stash attribute */ static int configure_domain_stash(struct fsl_dma_domain *dma_domain, void *data) { @@ -769,13 +734,6 @@ static int fsl_pamu_set_windows(struct iommu_domain *domain, u32 w_count) return -EBUSY; } - /* Ensure that the geometry has been set for the domain */ - if (!dma_domain->geom_size) { - pr_debug("Please configure geometry before setting the number of windows\n"); - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); - return -EINVAL; - } - /* * Ensure we have valid window count i.e. it should be less than * maximum permissible limit and should be a power of two. @@ -811,9 +769,6 @@ static int fsl_pamu_set_domain_attr(struct iommu_domain *domain, int ret = 0; switch (attr_type) { - case DOMAIN_ATTR_GEOMETRY: - ret = configure_domain_geometry(domain, data); - break; case DOMAIN_ATTR_FSL_PAMU_STASH: ret = configure_domain_stash(dma_domain, data); break; diff --git a/drivers/iommu/fsl_pamu_domain.h b/drivers/iommu/fsl_pamu_domain.h index 2865d42782e802..53d359d66fe577 100644 --- a/drivers/iommu/fsl_pamu_domain.h +++ b/drivers/iommu/fsl_pamu_domain.h @@ -17,12 +17,6 @@ struct dma_window { }; struct fsl_dma_domain { - /* - * Indicates the geometry size for the domain. - * This would be set when the geometry is - * configured for the domain. - */ - dma_addr_t geom_size; /* * Number of windows assocaited with this domain. * During domain initialization, it is set to the diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c index 5685b67068931a..c958e6310d3094 100644 --- a/drivers/soc/fsl/qbman/qman_portal.c +++ b/drivers/soc/fsl/qbman/qman_portal.c @@ -47,7 +47,6 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu) #ifdef CONFIG_FSL_PAMU struct device *dev = pcfg->dev; int window_count = 1; - struct iommu_domain_geometry geom_attr; struct pamu_stash_attribute stash_attr; int ret; @@ -56,17 +55,6 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu) dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__); goto no_iommu; } - geom_attr.aperture_start = 0; - geom_attr.aperture_end = - ((dma_addr_t)1 << min(8 * sizeof(dma_addr_t), (size_t)36)) - 1; - geom_attr.force_aperture = true; - ret = iommu_domain_set_attr(pcfg->iommu_domain, DOMAIN_ATTR_GEOMETRY, - &geom_attr); - if (ret < 0) { - dev_err(dev, "%s(): iommu_domain_set_attr() = %d", __func__, - ret); - goto out_domain_free; - } ret = iommu_domain_set_attr(pcfg->iommu_domain, DOMAIN_ATTR_WINDOWS, &window_count); if (ret < 0) { -- 2.29.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu