From patchwork Mon May 17 09:55:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongji Xie X-Patchwork-Id: 12261407 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 489E1C433B4 for ; Mon, 17 May 2021 09:57:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B6CF61029 for ; Mon, 17 May 2021 09:57:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236254AbhEQJ6Q (ORCPT ); Mon, 17 May 2021 05:58:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236220AbhEQJ5t (ORCPT ); Mon, 17 May 2021 05:57:49 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6311C06134C for ; Mon, 17 May 2021 02:56:24 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id gm21so3358752pjb.5 for ; Mon, 17 May 2021 02:56:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9oY/2Hu7faZQbXhD/6Y+q2bi+BTQyO9MF7tf5wnhwEM=; b=Zr7zQjnhmh2FAhUa9rmPnf5ODWeo9mfG0g8KYDfYo1vHHSW+0b1J74HuKjmzIOOBU4 MqfuWNJ1bTzRiEZ1V3TwZrUhqAfJBEMFzZPA9DSFrCTvBIZkGSRjWb2q/e0BBjLqSppa 5Zce5PPRF5ac7ZtU+itBZvGpFs/wprOb0sNTwDzl36go+fm7cAhNe/wxVf2JhKtXj56r yiGFWZz6FKe2rZui0JOCNL2+Galoh1OmD2yJcFOftpyopKehjJAOUCgIYVlNApckbMAJ uphq7nGhHp59OmNObnFyBmuPhvecdcz3QJcwIy3Jmcl/rfSSA9IjJwoBC78tMXumW1v9 Qa/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9oY/2Hu7faZQbXhD/6Y+q2bi+BTQyO9MF7tf5wnhwEM=; b=cxfCvLgmgp8pypWLDY29Ca6ni8RrcmyRf3GWx4c1uN/LNoysk1XLeLhvY+m2BV/ldB F6QdodTV3NFITUI0sel6LqQwtWY+Zhf0POY5T4uvZ+1NmyCaGohnEUhoVBVBH7DWGpX5 JKu68oSA1OWBHWVHwvFqup6h2lO7fNipRr1SYaFVZKlehGhO2Ws7MwwH1hC/IJBs3+kk wd/2JeltS7jm2oe8ECUuD2wuzezKfiPvmuvQfYVvl0xWxtzxpsKSNapB4cLR8xQbzJgj TxWanEZBAcpAm+yOgLXiv3GQ8TwmTxGxaUvLkxqqtC3i4pWjsv/y75LNrszO2QFp7dv9 JAIA== X-Gm-Message-State: AOAM531BUKa7awtcap9R9sAilsbNhhntFrDkOCQA1Yor328X/lwYTmAK EyJUysvf3bnoHq+DRC+nONpL X-Google-Smtp-Source: ABdhPJyr0oLXUpe02GaMYvuu9U2bSdT6Fnn+ZvfM/JYWqVCyuitHZoVVty5uBBvPClQSteFkfpVjOQ== X-Received: by 2002:a17:902:904a:b029:ef:9058:7314 with SMTP id w10-20020a170902904ab02900ef90587314mr25640485plz.12.1621245384212; Mon, 17 May 2021 02:56:24 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id m6sm6616904pfc.133.2021.05.17.02.56.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 02:56:23 -0700 (PDT) From: Xie Yongji To: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, parav@nvidia.com, hch@infradead.org, christian.brauner@canonical.com, rdunlap@infradead.org, willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, bcrl@kvack.org, corbet@lwn.net, mika.penttila@nextfour.com, dan.carpenter@oracle.com, joro@8bytes.org Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 07/12] vdpa: Add an opaque pointer for vdpa_config_ops.dma_map() Date: Mon, 17 May 2021 17:55:08 +0800 Message-Id: <20210517095513.850-8-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210517095513.850-1-xieyongji@bytedance.com> References: <20210517095513.850-1-xieyongji@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add an opaque pointer for DMA mapping. Suggested-by: Jason Wang Signed-off-by: Xie Yongji Acked-by: Jason Wang --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 6 +++--- drivers/vhost/vdpa.c | 2 +- include/linux/vdpa.h | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 98f793bc9376..efd0cb3d964d 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -542,14 +542,14 @@ static int vdpasim_set_map(struct vdpa_device *vdpa, } static int vdpasim_dma_map(struct vdpa_device *vdpa, u64 iova, u64 size, - u64 pa, u32 perm) + u64 pa, u32 perm, void *opaque) { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); int ret; spin_lock(&vdpasim->iommu_lock); - ret = vhost_iotlb_add_range(vdpasim->iommu, iova, iova + size - 1, pa, - perm); + ret = vhost_iotlb_add_range_ctx(vdpasim->iommu, iova, iova + size - 1, + pa, perm, opaque); spin_unlock(&vdpasim->iommu_lock); return ret; diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index a1496c596120..1dd8e07554f8 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -565,7 +565,7 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, return r; if (ops->dma_map) { - r = ops->dma_map(vdpa, iova, size, pa, perm); + r = ops->dma_map(vdpa, iova, size, pa, perm, NULL); } else if (ops->set_map) { if (!v->in_batch) r = ops->set_map(vdpa, dev->iotlb); diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index f311d227aa1b..281f768cb597 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -245,7 +245,7 @@ struct vdpa_config_ops { /* DMA ops */ int (*set_map)(struct vdpa_device *vdev, struct vhost_iotlb *iotlb); int (*dma_map)(struct vdpa_device *vdev, u64 iova, u64 size, - u64 pa, u32 perm); + u64 pa, u32 perm, void *opaque); int (*dma_unmap)(struct vdpa_device *vdev, u64 iova, u64 size); /* Free device resources */