From patchwork Thu Feb 17 11:34:37 2022 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: 12749915 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 71F4EC433EF for ; Thu, 17 Feb 2022 11:58:19 +0000 (UTC) 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=m9oKuRRj1oY82SYMemar4Md3D3IrP+H+OHF3qjxV5Z8=; b=LqsKwkJoYwHZu9 8r6+6o1YC0Bu57yA2MhXjJOZ/zi/pSRijG/IyoB4u46E3OXssyH1hVqCF7H9yo9pieIRLJmeAgXOS ANmmQPtM9xDnjnMmoXV5JkwpyxyT1GhdrmckXVIP9fXzMPcT3qZ1DBZNf8scutUo7hz6QacwtyMsO Y8AVtgghD1ZiUIL5TKfeNadySbard83vD8YMKvi5mA1/FyuHCnCEswU0wXNTglN2jZ3yCSPxkRv3G MNFOMm8evyU/RwtXEzGM+NTYYnS4DSn3B3TsIzN407pV29wMrixaunYOooJGgWcwg2jQzolo3g2VJ 3v3P/41lsHCFWlClpszw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKfP0-00AFJ1-8M; Thu, 17 Feb 2022 11:56:51 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKfEW-00AA70-37; Thu, 17 Feb 2022 11:46:01 +0000 X-UUID: efd4599a2e494cd390b3e37107d668c0-20220217 X-UUID: efd4599a2e494cd390b3e37107d668c0-20220217 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 190624927; Thu, 17 Feb 2022 04:45:48 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Feb 2022 03:37:46 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 17 Feb 2022 19:37:44 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 17 Feb 2022 19:37:43 +0800 From: Yong Wu To: Joerg Roedel , Rob Herring , Matthias Brugger , Will Deacon CC: Robin Murphy , Krzysztof Kozlowski , Tomasz Figa , , , , , , , Hsin-Yi Wang , , , , , , "AngeloGioacchino Del Regno" , , , , Subject: [PATCH v5 18/34] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO Date: Thu, 17 Feb 2022 19:34:37 +0800 Message-ID: <20220217113453.13658-19-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220217113453.13658-1-yong.wu@mediatek.com> References: <20220217113453.13658-1-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-20220217_034600_158809_96BE5C19 X-CRM114-Status: GOOD ( 12.75 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 Reviewed-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 8d6655ee5a54..ba9d61bec3e8 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -446,7 +446,7 @@ 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);