From nobody Sun Sep 22 06:30:40 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 9EAF3C433F5 for ; Tue, 3 May 2022 07:18:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231640AbiECHVe (ORCPT ); Tue, 3 May 2022 03:21:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231989AbiECHVU (ORCPT ); Tue, 3 May 2022 03:21:20 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D4F3393C9; Tue, 3 May 2022 00:17:32 -0700 (PDT) X-UUID: 43824f884f7345748bf89c60ec5d9e2e-20220503 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:76ed5506-795d-4133-803a-6e0b59ded6e1,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-20 X-CID-META: VersionHash:faefae9,CLOUDID:06b6822f-6199-437e-8ab4-9920b4bc5b76,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 43824f884f7345748bf89c60ec5d9e2e-20220503 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 414162688; Tue, 03 May 2022 15:17:27 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) 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; Tue, 3 May 2022 15:17:26 +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, 3 May 2022 15:17:25 +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 v7 19/36] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO Date: Tue, 3 May 2022 15:14:10 +0800 Message-ID: <20220503071427.2285-20-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220503071427.2285-1-yong.wu@mediatek.com> References: <20220503071427.2285-1-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 bcdc932cd473..0121d71c315f 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