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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F9CECD5BD1 for ; Mon, 1 Jun 2026 20:21:12 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B3370402EB; Mon, 1 Jun 2026 22:21:11 +0200 (CEST) Received: from fhigh-b1-smtp.messagingengine.com (fhigh-b1-smtp.messagingengine.com [202.12.124.152]) by mails.dpdk.org (Postfix) with ESMTP id 95FF140150 for ; Mon, 1 Jun 2026 22:21:10 +0200 (CEST) Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfhigh.stl.internal (Postfix) with ESMTP id 14F267A00F6; Mon, 1 Jun 2026 16:21:10 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-02.internal (MEProxy); Mon, 01 Jun 2026 16:21:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1780345269; x=1780431669; bh=F3iNzAbxAojUfH2pjQjdh3ew7pQsv0Vtn4Zt+78s+MI=; b= HGVqnzHQTWPd4xvKHlTm5Yd64+EyPn6BOGgGbVasK8jnf2yeMcaW1sfd0lfYdovn fDhqE9QtLZBsYNjYc1l2Y27NHzRiYshNwYzD3UAU0IcqA2abvpPXCF2RjxUwM2yX 0GZEUqFTltBaWHIpLo/K+Hhmnv3kYHnKEVLxX9tI10rMKQs3birR4SfiiRDMU5kW 6GcrTl8zIK6ZNNX6ekvh/iQcn28erMGyYciru03z+mLDWakt6j6kIFvQBNN6Q3OC BXcMi5SD2xUdOyzuKYMQoSSLQ7z5RH5PHShGMfg6RzMQiw8n4213rssOdk+8MDdj YmgBDzOydiy7wjyhzl5+nQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1780345269; x= 1780431669; bh=F3iNzAbxAojUfH2pjQjdh3ew7pQsv0Vtn4Zt+78s+MI=; b=D dftAzKpA8Bs4Mf+rRfcb4tTNvErXIgU+k+8OEaKys9ueP7AIZLg9Vqub9HQdDthQ EmK6PtH0+ZFUpBHQjxoTiA6BxwwLDFdIUijX2AZPO6v7RS7xrmEOo38EiLopKDQT BnMUe0AOwRQn5hba5BIevt8P7Vrx/Dw0NRntG0rc758AtsDLlbyaCFl0AfThXTaw BT03cs7lqs9OnAnmHlC4SgTKLS/e30hhrKxtwDaQbjiQ8nW4bGtVaP++jmIWrh// yjLfPx8AWCCHIorAhda6F+KS50KYHykmF+RXDfqbLnyiY0CFIaXpOM+R+w4BBuSK LywbJi7r+o0XQnRi7HD+w== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTGQIEYG3iLxdaL4YD/pOwV+INONg4LE434gll6Z2sJtN1RJ6qz3mNoqs+CBW9MW6r PxlOqvnj+1QCji9u2cDBJNhZB4GV05Vz8W69zLVOPQuDnOAFDnvCICRzZE7qVAfbLs6XRU J+ZHp13U57Nd0gduS/vqXDFXPYKVZrUhiZI713aR2AIdqJPVr3sdF3a6uWKQkBVsSzOOdn 7sEj8GINenMQKDXCeDDPH863mq5vwZjIBYoXOnvTjck/x49adanxsorBc5mfyi5W/jsJdo QdXlhH9TiNkXE2v7y8gDc20aflbew0+cN57dW3MA2YOogEXnDjXIdSEeuGrmBaBcZZBNE9 y6nQd8sAnPv0S5l8X6nGPG0WeNa6EVj+rsxqW58YKBd35z4UtlxTRZ8KRVzDpO1eXtVNuZ gBvODRtqjvd6e04EF0K97o2OxCOAPfh/2YsXxzwIA57+kgfNAv/18TLFf8495/InV+sZCW wuDxl05y9FLP9d/3WRDzq4itaGoWRCLrEPuCaNXtGj2j2rBb87m8myv7+XYyUcId2UDxZQ nzbfVjihV53ZHOoDmyEP5ZFjTg6CJRbHnSmMXywiVM3XfljRxhRbqIuLXS/ULOK8+pE5dM Cx4rQ/agLUw7A1OWIPl/r/0FijXnoM0EY9jOoarl0I/NZGLWJ9yRfdvOW2Sg X-ME-Proxy: Feedback-ID: i47234305:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 1 Jun 2026 16:21:08 -0400 (EDT) From: Thomas Monjalon To: Chengwen Feng Cc: dev@dpdk.org, liuyonglong@huawei.com, qianweili@huawei.com Subject: Re: [PATCH v2] bus/uacce: support no-iommu mode Date: Mon, 01 Jun 2026 22:21:07 +0200 Message-ID: In-Reply-To: <20260518105857.23083-1-fengchengwen@huawei.com> References: <20260422075326.34206-1-fengchengwen@huawei.com> <20260518105857.23083-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 18/05/2026 12:58, Chengwen Feng: > The uacce bus originally only supports devices with SVA capability. > This patch extends the uacce bus to support no-iommu mode for devices > without or not enabling IOMMU/SVA. > > For no-iommu mode UACCE devices: > - The device api name is suffixed with _noiommu > - The device flags bit1 was set (UACCE_DEV_FLAG_NOIOMMU) > > To support such devices, DPDK device drivers can mark > RTE_UACCE_DRV_SUPPORT_NOIOMMU_MODE in drv_flags to declare capability > of working with no-iommu devices. > > This commit also fixes typo UACCE_DEV_FLGA_SVA -> UACCE_DEV_FLAG_SVA. > > Signed-off-by: Chengwen Feng Applied, thanks.