From patchwork Thu Sep 23 11:58:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 12512597 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=-18.2 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,UNPARSEABLE_RELAY, URIBL_BLOCKED,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 3288DC433EF for ; Thu, 23 Sep 2021 12:09:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 F07F860F6D for ; Thu, 23 Sep 2021 12:09:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org F07F860F6D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WlwydmJl9KJf2pmqPv3CqbGc4D8UtpQTAkjFY2gT8Lg=; b=h7hjbeUTxE/tZz xHrHCMFCTz89TrhvajAr7Uq2qOevl6B62xADUWrpm4cnzJ8UuQvHrtE+5XGZrAdDGMI+XsijOcAFd RtZ3LBeVA8vERZ2y4xAlaOC1+jFb2iobRCAZJg+XTGBc4wUkdgYCX+TSRa65BWe5oWFXd6LtrBj3e NEvLFHyOcYMmTwC+5aTPuR2c13RDaBH3Zy9V1yx7+I9UIA9TbVkiffq6KJTh2hSp6WEW573JMw5oG kWC9oVo6b17HaJDPyq5KTgdJ9O4H9e4kZkOtLqILe9O63PWFn47fsezs2E8YUl2T/9dsEWAy3k1Eo uX1f2xBnTKgJwhiDqCbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mTNXt-00BEeG-LG; Thu, 23 Sep 2021 12:09:45 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mTNXI-00BERE-83; Thu, 23 Sep 2021 12:09:09 +0000 X-UUID: 052d6adf35224823ab4d58f57c605d25-20210923 X-UUID: 052d6adf35224823ab4d58f57c605d25-20210923 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1973779532; Thu, 23 Sep 2021 05:09:05 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 23 Sep 2021 05:02:16 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 23 Sep 2021 20:02:14 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 23 Sep 2021 20:02:13 +0800 From: Yong Wu To: Joerg Roedel , Rob Herring , "Matthias Brugger" , Will Deacon , Robin Murphy CC: Krzysztof Kozlowski , Tomasz Figa , , , , , , , Hsin-Yi Wang , , , , , Subject: [PATCH v3 20/33] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO Date: Thu, 23 Sep 2021 19:58:27 +0800 Message-ID: <20210923115840.17813-21-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210923115840.17813-1-yong.wu@mediatek.com> References: <20210923115840.17813-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210923_050908_331975_881F90F8 X-CRM114-Status: GOOD ( 12.51 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Allow the type IOMMU_DOMAIN_UNMANAGED since vfio_iommu_type1.c always call iommu_domain_alloc. The PCIe EP works ok when going through vfio. Signed-off-by: Yong Wu Acked-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 2818b984c905..d103e4f33078 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -450,7 +450,7 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type) { struct mtk_iommu_domain *dom; - if (type != IOMMU_DOMAIN_DMA) + if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED) return NULL; dom = kzalloc(sizeof(*dom), GFP_KERNEL);