From nobody Sun Sep 22 11:42:19 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 9F232C433EF for ; Tue, 25 Jan 2022 09:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1455217AbiAYJDc (ORCPT ); Tue, 25 Jan 2022 04:03:32 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:59832 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1454585AbiAYJAD (ORCPT ); Tue, 25 Jan 2022 04:00:03 -0500 X-UUID: a83cf318e11d4c468dc149c4bf8bfa3c-20220125 X-UUID: a83cf318e11d4c468dc149c4bf8bfa3c-20220125 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1731833165; Tue, 25 Jan 2022 16:59:32 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 25 Jan 2022 16:59:30 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 25 Jan 2022 16:59:29 +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 v4 19/35] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO Date: Tue, 25 Jan 2022 16:56:18 +0800 Message-ID: <20220125085634.17972-20-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220125085634.17972-1-yong.wu@mediatek.com> References: <20220125085634.17972-1-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 f676085af13d..cf042ab74fa7 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