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[85.214.62.61]) by mx.google.com with ESMTPS id i10-20020a62870a000000b0062472f19191si31927730pfe.6.2023.03.29.07.25.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Mar 2023 07:25:26 -0700 (PDT) Received-SPF: pass (google.com: domain of u-boot-bounces@lists.denx.de designates 85.214.62.61 as permitted sender) client-ip=85.214.62.61; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=nCbMTaP1; spf=pass (google.com: domain of u-boot-bounces@lists.denx.de designates 85.214.62.61 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id BD43785D7B; Wed, 29 Mar 2023 16:25:14 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="nCbMTaP1"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 1CD0685D4E; Wed, 29 Mar 2023 16:25:11 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 7E76685858 for ; Wed, 29 Mar 2023 16:25:07 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=paul.liu@linaro.org Received: by mail-pl1-x629.google.com with SMTP id kq3so15051793plb.13 for ; Wed, 29 Mar 2023 07:25:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680099905; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=FEm8aHderG1TGD3NhIEUg4T9vUm7+k3oO9SNnb2lyJg=; b=nCbMTaP1FlnEdrTl6RDjocbvE1mv9R1O6aT1ISQKyZBDx0Qt9l2xX+Q8oyfxJXX0+i cU0xHU7jWwh3WcRDuFMAdHuiNZ6rZxqbBHA5MZcplvGEVQuS8pRSKyJAllxeoITPnfi/ fW/kSEmWoDi/e2myzq76QzBOSb6q0LooLc8bxGckWN3XyXq0/GWkeQnmLDg7XfRSxm0t B4x3HFE239T7C1Xu0phGaZNUyIRBFvWhSqf1fH8kfTy9Ug628Q9jyhesKV444WruITQR 8tQYJrUTx1fYEpa3WKAgQUYdd65ZHCKnavdgxrLLaUhLYHYVRIjUprFbZnF/drR4ZAyP 8/Mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680099905; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=FEm8aHderG1TGD3NhIEUg4T9vUm7+k3oO9SNnb2lyJg=; b=mypiOaoVUUAvQHFLdQEsRvrAgEy2FtF5WwY9jilluwmqoK/u81ZO8rZS8LBStv+2/m blaLXmsso48xVURarfBnrPabX+eWvvLJ1tW7jdbiLGWUqbn6T2SCUZn/V5e8V+dcct1d D+ixaCLZtLFPxjkqOo+u9zU3duVEPcRsvonw4diwWKXda/0YSke1w+DN0rkF3R4cHltJ LJzktkHAh971sf6yTxPg1BS2Ot1g0zjv6pQ0rsB2p+geOJMkBmd7F7KTqErkqfTALCqf e5NskzdK4NM7ZTzbgEHyzKOdhSJykoMbcWetAs/hOIJzhJQsIlSrnWCiic8NZYBBuR8n Nu1A== X-Gm-Message-State: AAQBX9cJR7J2+N/5TeMOTmlPQI7Niirg3DKVjf2oWj3miq2sp/FohqxL wX7Re4XOtcveeTBhj/y1XIV24s876As8pICXb/o= X-Received: by 2002:a17:903:80c:b0:19e:8088:b852 with SMTP id kr12-20020a170903080c00b0019e8088b852mr16754625plb.10.1680099905477; Wed, 29 Mar 2023 07:25:05 -0700 (PDT) Received: from localhost ([111.184.129.17]) by smtp.gmail.com with ESMTPSA id d13-20020a170902b70d00b001a239325f1csm7308780pls.100.2023.03.29.07.25.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Mar 2023 07:25:05 -0700 (PDT) From: "Ying-Chun Liu (PaulLiu)" To: u-boot@lists.denx.de Cc: "Ying-Chun Liu (PaulLiu)" Subject: [PATCH 0/6] virtio: Use bounce buffers when VIRTIO_F_IOMMU_PLATFORM set Date: Wed, 29 Mar 2023 22:24:54 +0800 Message-Id: <20230329142500.682922-1-paul.liu@linaro.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean These patches will use bounce buffers when VIRTIO_F_IOMMU_PLATFORM feature is in a virtio device. This feature can be tested with qemu with -device virtio-iommu-pci. So that when a -device virtio-blk-pci with iommu_platform=true, it will uses the bounce buffer instead. Will Deacon (6): virtio: Expose VIRTIO_F_IOMMU_PLATFORM in device features virtio: pci: Tear down VQs in virtio_pci_reset() virtio: Allocate virtqueue in page-size units virtio: Add helper functions to attach/detach vring descriptors virtio: Allocate bounce buffers for devices with VIRTIO_F_IOMMU_PLATFORM virtio: Use bounce buffers when VIRTIO_F_IOMMU_PLATFORM is set drivers/virtio/virtio-uclass.c | 2 +- drivers/virtio/virtio_pci_modern.c | 38 +++++------ drivers/virtio/virtio_ring.c | 101 ++++++++++++++++++++++++++--- include/virtio_ring.h | 21 +++--- 4 files changed, 125 insertions(+), 37 deletions(-)