From nobody Sun Sep 22 07:37:57 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9159C433EF for ; Thu, 7 Apr 2022 08:01:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242666AbiDGIDm (ORCPT ); Thu, 7 Apr 2022 04:03:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242688AbiDGICo (ORCPT ); Thu, 7 Apr 2022 04:02:44 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1A2462A14; Thu, 7 Apr 2022 01:00:44 -0700 (PDT) X-UUID: 8b40aef98c394fa2904eb926d82cecb5-20220407 X-UUID: 8b40aef98c394fa2904eb926d82cecb5-20220407 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 560715155; Thu, 07 Apr 2022 16:00:40 +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, 7 Apr 2022 16:00:22 +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, 7 Apr 2022 16:00:20 +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 v6 18/34] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO Date: Thu, 7 Apr 2022 15:57:10 +0800 Message-ID: <20220407075726.17771-19-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220407075726.17771-1-yong.wu@mediatek.com> References: <20220407075726.17771-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 2746e178d2be..b737613e9046 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(unsi= gned type) { struct mtk_iommu_domain *dom; =20 - if (type !=3D IOMMU_DOMAIN_DMA) + if (type !=3D IOMMU_DOMAIN_DMA && type !=3D IOMMU_DOMAIN_UNMANAGED) return NULL; =20 dom =3D kzalloc(sizeof(*dom), GFP_KERNEL); --=20 2.18.0