From mboxrd@z Thu Jan 1 00:00:00 1970 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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 C67F9C433F5 for ; Tue, 3 May 2022 07:17:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8C2648186E; Tue, 3 May 2022 07:17:36 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2T4gFSMsyeuJ; Tue, 3 May 2022 07:17:35 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 89A1181450; Tue, 3 May 2022 07:17:35 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5D62CC0039; Tue, 3 May 2022 07:17:35 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 88B3AC002D for ; Tue, 3 May 2022 07:17:33 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 6942C818B5 for ; Tue, 3 May 2022 07:17:33 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jU8nqMc-1epZ for ; Tue, 3 May 2022 07:17:33 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by smtp1.osuosl.org (Postfix) with ESMTPS id B1D6981450 for ; Tue, 3 May 2022 07:17:32 +0000 (UTC) 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 To: Joerg Roedel , Rob Herring , "Matthias Brugger" , Will Deacon 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 Cc: devicetree@vger.kernel.org, libo.kang@mediatek.com, xueqi.zhang@mediatek.com, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , yen-chang.chen@mediatek.com, chengci.xu@mediatek.com, iommu@lists.linux-foundation.org, yf.wang@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , anan.sun@mediatek.com, Robin Murphy , mingyuan.ma@mediatek.com, linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Yong Wu via iommu Reply-To: Yong Wu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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(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); -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu