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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 D46A4C433DF for ; Fri, 3 Jul 2020 09:20:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 995D220836 for ; Fri, 3 Jul 2020 09:20:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Dc/YFe3n" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 995D220836 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34864 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jrHrb-0007Gg-Qg for qemu-devel@archiver.kernel.org; Fri, 03 Jul 2020 05:20:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60282) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrHdB-0001Hi-Bj for qemu-devel@nongnu.org; Fri, 03 Jul 2020 05:05:13 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:37042 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jrHd9-0004c0-Ew for qemu-devel@nongnu.org; Fri, 03 Jul 2020 05:05:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593767110; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=3ExkqCYE+MZcrtgAoyxaOOvh3MgXkaeP71bTYP6/+H0=; b=Dc/YFe3nU1mxe2jAQ9RPN8puu74cicKGc+tBBj6gACHpCE3uGiAAp5Y1kkSPgM7ez3TU3H U6Ny8CmpjRSAKO5c5yam6A71GeUslCi8yBCn6DO4zqPQsvc66T9RQIPpMhwo5loG71kGXo 4WM6nLY/IxZUvaHzhWzB56JJpeowWu4= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-281-hVzYesiNNJm7LGu0v8JmBg-1; Fri, 03 Jul 2020 05:05:08 -0400 X-MC-Unique: hVzYesiNNJm7LGu0v8JmBg-1 Received: by mail-wm1-f71.google.com with SMTP id 65so14771735wmd.8 for ; Fri, 03 Jul 2020 02:05:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=3ExkqCYE+MZcrtgAoyxaOOvh3MgXkaeP71bTYP6/+H0=; b=og+EDe3m9CvqcQbLUg/aqk+rt9iH7SxJATieZAQJyyWCfh3f1V0Gykq/zxdNBVM3M2 e/HARdbbQvujUX3idc1hXqhxn1RXpFHnWedpgz/YUy8BZhJcRUnlwLRjDcC/injXh3Iq WBDpQPlCIqYbWlRFZ4ekSbqpFKi74nRtEcuYqyMTDNQh/k8hbbyZsxq3zLe/vqXQ7kis j0a7/UUYDXGevpMdhBc7DVsoDYimSaj4HOy/HlkifpqQOEhS2OlhNdkTEuzZucWlDO7w mBKDa/UdGv68WG4jWQkB3E1pHKyUkci9/x42RvRPBt9yYhwbxBTJO8XOdYFE/8Qr+XfD CUAg== X-Gm-Message-State: AOAM533IOlFOKR3JXcKGLq5DYzVOu8SxnIphgDET6t7iRuWwEUj+LbcA 4HfQPqbui5WzOF+jGR+YVUXq4w9aJyMJ4dQivR65wlz69n/Pq568r2FqTHE6N5b5w8T9uDAhoMy Q22RmNVCbYwg6CTM= X-Received: by 2002:a1c:4143:: with SMTP id o64mr2838340wma.11.1593767107090; Fri, 03 Jul 2020 02:05:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJywwa0yMx9DCHIvQEsFAMlyXhDgw0mPGKsNi9muvCkmmtX8fHNf0jIULbV8dMJY5VDtyd2wGA== X-Received: by 2002:a1c:4143:: with SMTP id o64mr2838324wma.11.1593767106922; Fri, 03 Jul 2020 02:05:06 -0700 (PDT) Received: from redhat.com (bzq-79-182-31-92.red.bezeqint.net. [79.182.31.92]) by smtp.gmail.com with ESMTPSA id d10sm13689266wrx.66.2020.07.03.02.05.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2020 02:05:06 -0700 (PDT) Date: Fri, 3 Jul 2020 05:05:04 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 36/41] vhost: implement vhost_vq_get_addr method Message-ID: <20200703090252.368694-37-mst@redhat.com> References: <20200703090252.368694-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200703090252.368694-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=207.211.31.81; envelope-from=mst@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/03 01:34:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Jason Wang , Cindy Lu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cindy Lu use vhost_vq_get_addr callback to get the vq address from backend Signed-off-by: Cindy Lu Message-Id: <20200701145538.22333-10-lulu@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang --- include/hw/virtio/vhost-backend.h | 4 ++++ hw/virtio/vhost.c | 28 +++++++++++++++++++--------- 2 files changed, 23 insertions(+), 9 deletions(-) diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index fa84abac97..bfc24207e2 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -118,6 +118,9 @@ typedef int (*vhost_dev_start_op)(struct vhost_dev *dev, bool started); typedef int (*vhost_vq_get_addr_op)(struct vhost_dev *dev, struct vhost_vring_addr *addr, struct vhost_virtqueue *vq); + +typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id); + typedef struct VhostOps { VhostBackendType backend_type; vhost_backend_init vhost_backend_init; @@ -160,6 +163,7 @@ typedef struct VhostOps { vhost_set_inflight_fd_op vhost_set_inflight_fd; vhost_dev_start_op vhost_dev_start; vhost_vq_get_addr_op vhost_vq_get_addr; + vhost_get_device_id_op vhost_get_device_id; } VhostOps; extern const VhostOps user_ops; diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 32809e54b5..1e083a8976 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -773,15 +773,25 @@ static int vhost_virtqueue_set_addr(struct vhost_dev *dev, struct vhost_virtqueue *vq, unsigned idx, bool enable_log) { - struct vhost_vring_addr addr = { - .index = idx, - .desc_user_addr = (uint64_t)(unsigned long)vq->desc, - .avail_user_addr = (uint64_t)(unsigned long)vq->avail, - .used_user_addr = (uint64_t)(unsigned long)vq->used, - .log_guest_addr = vq->used_phys, - .flags = enable_log ? (1 << VHOST_VRING_F_LOG) : 0, - }; - int r = dev->vhost_ops->vhost_set_vring_addr(dev, &addr); + struct vhost_vring_addr addr; + int r; + memset(&addr, 0, sizeof(struct vhost_vring_addr)); + + if (dev->vhost_ops->vhost_vq_get_addr) { + r = dev->vhost_ops->vhost_vq_get_addr(dev, &addr, vq); + if (r < 0) { + VHOST_OPS_DEBUG("vhost_vq_get_addr failed"); + return -errno; + } + } else { + addr.desc_user_addr = (uint64_t)(unsigned long)vq->desc; + addr.avail_user_addr = (uint64_t)(unsigned long)vq->avail; + addr.used_user_addr = (uint64_t)(unsigned long)vq->used; + } + addr.index = idx; + addr.log_guest_addr = vq->used_phys; + addr.flags = enable_log ? (1 << VHOST_VRING_F_LOG) : 0; + r = dev->vhost_ops->vhost_set_vring_addr(dev, &addr); if (r < 0) { VHOST_OPS_DEBUG("vhost_set_vring_addr failed"); return -errno; -- MST