From patchwork Tue Jun 15 14:13:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongji Xie X-Patchwork-Id: 12321989 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,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 53579C48BE5 for ; Tue, 15 Jun 2021 14:18:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3742561001 for ; Tue, 15 Jun 2021 14:18:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231883AbhFOOUT (ORCPT ); Tue, 15 Jun 2021 10:20:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231379AbhFOOSZ (ORCPT ); Tue, 15 Jun 2021 10:18:25 -0400 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1695C06115D for ; Tue, 15 Jun 2021 07:14:16 -0700 (PDT) Received: by mail-pg1-x52b.google.com with SMTP id e20so11596281pgg.0 for ; Tue, 15 Jun 2021 07:14:16 -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=/FJesSbjdD3ax6QLZHwWomAg+hmA/0XqmQi+5t3uBts=; b=QAmzB4gHG7Cy4ZN45ovZfpN6L1SILefQ0L+NxivAp0a6ufJ3shF5BHnlp4wRjjtevl Z7kY9HIEZPuiRINzUexcDU0nWp6ZF+CkmwLIjH/F4xTYMpgJqWG4JL36Su/+tnFQyM38 PQsbmnUUSs6LfqFK6Y5pWTfk0aWhWAYKWk3g51/NT9lXSx9FY82ucMbd7x4whRd3GnDT SNV/a9nSjTPjAT1DTDg/fOVFZMXcOzmVcwqxnUn+YWCFSPuFh8NDIbjMsRQ/k+L1hbNc Fp6wCNh2LQAkqhTBA8ShNGsEatOTf0DgYL0PYQmlXjFQUADRCb0aB401iUdLw5ezIe7M 6dwA== 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=/FJesSbjdD3ax6QLZHwWomAg+hmA/0XqmQi+5t3uBts=; b=EL0Kq28GC8WW4cLnPRkzqFPL1NlR7td785zK/HRjT0RjTwMP+2DEZrjoJzMjVkUjYi F7ji5KaT6Fbk1A9FAs5jbDnsdC6nH/vWmxcApFWTCcwF2oEoVliuj1qDdH7cAXYRI2DI 8lxrJff2mCtVDGCs9s+f4m6YqImD/6HnPJo6u+aEToS8VxlKXmcq7527XL0gAKr1MND8 BKE2kp6UQ9UJlXB5HV1u607jCuLXVzhZjW1ycfNspjOvqRjoYjPqWt0iYlTMAP0xaXKZ oGE+3/u+WsadpDf7io98wsPjMglcIS8X3kVPgThmGILzRH1B7xXkbOyz68NQt+2t2hFm 8dmw== X-Gm-Message-State: AOAM533ixXbwJzPOKaKmAJhI14g0QSrftjy0Q8k/QwUJFQCS24p3DQSX EHAYEbk+mHcn+z0ge9Txs2wi X-Google-Smtp-Source: ABdhPJyjoOKdYN6iIafASuxZ0lb8ce4AFMzIucMsE/2yfL6/wOtvuhzP/4QXvpNfGDsqISSeoNQjLg== X-Received: by 2002:a62:1d0e:0:b029:2d8:30a3:687f with SMTP id d14-20020a621d0e0000b02902d830a3687fmr4531470pfd.17.1623766456186; Tue, 15 Jun 2021 07:14:16 -0700 (PDT) Received: from localhost ([139.177.225.241]) by smtp.gmail.com with ESMTPSA id h8sm2255456pgc.60.2021.06.15.07.14.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Jun 2021 07:14:15 -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, gregkh@linuxfoundation.org Cc: songmuchun@bytedance.com, 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 v8 05/10] vdpa: Add an opaque pointer for vdpa_config_ops.dma_map() Date: Tue, 15 Jun 2021 22:13:26 +0800 Message-Id: <20210615141331.407-6-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210615141331.407-1-xieyongji@bytedance.com> References: <20210615141331.407-1-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 fb41db3da611..1d5c5c6b6d5d 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 */