From patchwork Fri Mar 29 14:00:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurentiu Tudor X-Patchwork-Id: 10877109 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 594971390 for ; Fri, 29 Mar 2019 14:01:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DF4728EE3 for ; Fri, 29 Mar 2019 14:01:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3C0C929297; Fri, 29 Mar 2019 14:01:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CE7BB28EE3 for ; Fri, 29 Mar 2019 14:01:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=hPQQCtxdMSJJ2UJhxfy5jys1AC+FqtQZc+uNgmii+mc=; b=GH8D3TtyP8dAwqMYJSSBYA2SVb XRJiBecFb95PTWrUDel4OFeSCnBGl6gs+jGlaZ7ES6CH7Mrm8LzQYi7x4w+rJ4dzBTsQDSMMYHMFo /rnhzYrnG17ykxBi6B0D1LhJ0k0NqQkA1BFk5Xzos66AuA267gsalVU8BVfLbg1QuPFRvHU2kFBLB Hz7jEk6VLkWvFhOEmc3J0A1BCp4ryO1Bp3npRgyzGcs6kJoOjwFuconejw2Zps3IcH5U5WiF5eOPX PYcN7UpYSSqgI0Duz1Y5bIt89aplK63Fh1uz7Ofzh4hrsx/NNsLdplwTB1ljtFXs6sTdjKETIsUyA LZXkZPxg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h9s4B-0006Rj-Bd; Fri, 29 Mar 2019 14:01:07 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h9s3S-0005hG-RV for linux-arm-kernel@lists.infradead.org; Fri, 29 Mar 2019 14:00:25 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 7FBE21A0290; Fri, 29 Mar 2019 15:00:20 +0100 (CET) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 7362D1A0289; Fri, 29 Mar 2019 15:00:20 +0100 (CET) Received: from fsr-ub1864-101.ea.freescale.net (fsr-ub1864-101.ea.freescale.net [10.171.74.120]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id CE04220606; Fri, 29 Mar 2019 15:00:19 +0100 (CET) From: laurentiu.tudor@nxp.com To: netdev@vger.kernel.org, madalin.bucur@nxp.com, roy.pledge@nxp.com, camelia.groza@nxp.com, leoyang.li@nxp.com Subject: [PATCH 05/13] soc/fsl/bqman: page align iommu mapping sizes Date: Fri, 29 Mar 2019 16:00:06 +0200 Message-Id: <20190329140014.8126-6-laurentiu.tudor@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190329140014.8126-1-laurentiu.tudor@nxp.com> References: <20190329140014.8126-1-laurentiu.tudor@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190329_070023_120803_0CDDAA1D X-CRM114-Status: UNSURE ( 8.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org, Laurentiu Tudor MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Laurentiu Tudor Prior to calling iommu_map()/iommu_unmap() page align the size or failures such as below could happen: iommu: unaligned: iova 0x... pa 0x... size 0x4000 min_pagesz 0x10000 qman_portal 500000000.qman-portal: failed to iommu_map() -22 Seen when booted a kernel compiled with 64K page size support. Signed-off-by: Laurentiu Tudor --- drivers/soc/fsl/qbman/bman_ccsr.c | 2 +- drivers/soc/fsl/qbman/qman_ccsr.c | 4 ++-- drivers/soc/fsl/qbman/qman_portal.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/soc/fsl/qbman/bman_ccsr.c b/drivers/soc/fsl/qbman/bman_ccsr.c index b209c79511bb..3a6e01bde32d 100644 --- a/drivers/soc/fsl/qbman/bman_ccsr.c +++ b/drivers/soc/fsl/qbman/bman_ccsr.c @@ -230,7 +230,7 @@ static int fsl_bman_probe(struct platform_device *pdev) /* Create an 1-to-1 iommu mapping for FBPR area */ domain = iommu_get_domain_for_dev(dev); if (domain) { - ret = iommu_map(domain, fbpr_a, fbpr_a, fbpr_sz, + ret = iommu_map(domain, fbpr_a, fbpr_a, PAGE_ALIGN(fbpr_sz), IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); if (ret) dev_warn(dev, "failed to iommu_map() %d\n", ret); diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c index eec7700507e1..8d3c950ce52d 100644 --- a/drivers/soc/fsl/qbman/qman_ccsr.c +++ b/drivers/soc/fsl/qbman/qman_ccsr.c @@ -783,11 +783,11 @@ static int fsl_qman_probe(struct platform_device *pdev) /* Create an 1-to-1 iommu mapping for fqd and pfdr areas */ domain = iommu_get_domain_for_dev(dev); if (domain) { - ret = iommu_map(domain, fqd_a, fqd_a, fqd_sz, + ret = iommu_map(domain, fqd_a, fqd_a, PAGE_ALIGN(fqd_sz), IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); if (ret) dev_warn(dev, "iommu_map(fqd) failed %d\n", ret); - ret = iommu_map(domain, pfdr_a, pfdr_a, pfdr_sz, + ret = iommu_map(domain, pfdr_a, pfdr_a, PAGE_ALIGN(pfdr_sz), IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); if (ret) dev_warn(dev, "iommu_map(pfdr) failed %d\n", ret); diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c index dfb62f9815e9..bce56da2b01f 100644 --- a/drivers/soc/fsl/qbman/qman_portal.c +++ b/drivers/soc/fsl/qbman/qman_portal.c @@ -297,7 +297,7 @@ static int qman_portal_probe(struct platform_device *pdev) */ err = iommu_map(domain, addr_phys[0]->start, addr_phys[0]->start, - resource_size(addr_phys[0]), + PAGE_ALIGN(resource_size(addr_phys[0])), IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); if (err) dev_warn(dev, "failed to iommu_map() %d\n", err);