Message ID | 8fdfaf02767748eadab7ad8ab41da78f261824f2.1717630437.git.mst@redhat.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Q3a4WbZG; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VvkQR4XfDz20Q6 for <incoming@patchwork.ozlabs.org>; Thu, 6 Jun 2024 09:37:19 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1sF09r-0002rC-N4; Wed, 05 Jun 2024 19:35:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <mst@redhat.com>) id 1sF09p-0002r3-Ud for qemu-devel@nongnu.org; Wed, 05 Jun 2024 19:35:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <mst@redhat.com>) id 1sF09o-0004w0-BH for qemu-devel@nongnu.org; Wed, 05 Jun 2024 19:35:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717630503; 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=czI6QAqPz2gxBOi54M6w2CiDVJgkcwfGVW3OGis4Be4=; b=Q3a4WbZGliQd/g6ukAcJfOlvkVXzNIRUUoIMAFRUWDIu+qPx3xB0aCL8tRGCbMZqalFlNo FPf3njUueSuZEDrK9A/2rvri5Tm3rlS/JVh6AlF8+AE0KmvTHweBb4zQgwN7l9YFC0CI0r fZ8R3nRwDN/etlADE/whyDtHt8erTPE= Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-463-pscAqLgpPwWIpG81SfnxVA-1; Wed, 05 Jun 2024 19:35:02 -0400 X-MC-Unique: pscAqLgpPwWIpG81SfnxVA-1 Received: by mail-lf1-f71.google.com with SMTP id 2adb3069b0e04-52b91217fcfso211831e87.3 for <qemu-devel@nongnu.org>; Wed, 05 Jun 2024 16:35:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717630500; x=1718235300; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=czI6QAqPz2gxBOi54M6w2CiDVJgkcwfGVW3OGis4Be4=; b=ErruqIlt7L2nFrsLdJEFGknCBFZwA50hvgB+U7Ys3dCdtExPA/lZ8wvJym5ARcjRYy sxBnDm49QqKdlfSkqmabnzIjni+Jw8wh5spCQeslCtH3J04c68z2EBxUqcmcnI2l6wPE ZG2yIDpO8wgrjPbrag/2qUw4JUZwtVGSXmdq3mY6zlj/h/R8kqVe8JgQ0HH3P2WUIbvX Fp8BgkcYfOhGcEENTeo/SeYGkMBw7tjte5WZwCtgg/tVsYmOGwWkcnYK7yvVQf23Cq6v yoKH7U7YwBP6wK0nGl/3OdKPUKYjm9IELEdZL9BveRj5iBwxOfRnPCN6P0yEKlH18dCK ZF/g== X-Gm-Message-State: AOJu0YxyPhH+1cy/egj9onWU5NlMev+FsXqA++Wm9vjcCh1pNNmhYUn5 wCG7AXmi+QHVwiRV+KLKBDpRUt+1+pHT4ygtiA0Gy3Yg8gjZW1cRiN7YPxpaG97JkxGpmOFiJxX oBRxrsOZEVmRHvWy1cg0mL8RXu7nS5Fe9DPGl32dIcl1/gwqUngF9VZ+hLY6zHb9u8ghwJ57U/s Gk90eNzpswGRs+N5w/3Fe/zwzwX1wvDQ== X-Received: by 2002:a05:6512:701:b0:52b:851e:256 with SMTP id 2adb3069b0e04-52bab4c8ea5mr2121686e87.2.1717630500006; Wed, 05 Jun 2024 16:35:00 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE4WLXi0bBIL3OT03bJ4+nfahaM13sRo7yMo9FqEV9GAEsx9c5tKE3MUq3g9cAdqUttkIihFw== X-Received: by 2002:a05:6512:701:b0:52b:851e:256 with SMTP id 2adb3069b0e04-52bab4c8ea5mr2121679e87.2.1717630499532; Wed, 05 Jun 2024 16:34:59 -0700 (PDT) Received: from redhat.com ([2.55.56.67]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a6c805d0af8sm6914366b.87.2024.06.05.16.34.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jun 2024 16:34:58 -0700 (PDT) Date: Wed, 5 Jun 2024 19:34:56 -0400 From: "Michael S. Tsirkin" <mst@redhat.com> To: qemu-devel@nongnu.org Cc: Peter Maydell <peter.maydell@linaro.org>, Jonah Palmer <jonah.palmer@oracle.com> Subject: [PULL v3 05/41] virtio: Prevent creation of device using notification-data with ioeventfd Message-ID: <8fdfaf02767748eadab7ad8ab41da78f261824f2.1717630437.git.mst@redhat.com> References: <cover.1717630437.git.mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <cover.1717630437.git.mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
[PULL,v3,01/41] vhost: dirty log should be per backend type
|
expand
|
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index f7c99e3a96..28cd406e16 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2980,6 +2980,20 @@ int virtio_set_features(VirtIODevice *vdev, uint64_t val) return ret; } +static void virtio_device_check_notification_compatibility(VirtIODevice *vdev, + Error **errp) +{ + VirtioBusState *bus = VIRTIO_BUS(qdev_get_parent_bus(DEVICE(vdev))); + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(bus); + DeviceState *proxy = DEVICE(BUS(bus)->parent); + + if (virtio_host_has_feature(vdev, VIRTIO_F_NOTIFICATION_DATA) && + k->ioeventfd_enabled(proxy)) { + error_setg(errp, + "notification_data=on without ioeventfd=off is not supported"); + } +} + size_t virtio_get_config_size(const VirtIOConfigSizeParams *params, uint64_t host_features) { @@ -3740,6 +3754,14 @@ static void virtio_device_realize(DeviceState *dev, Error **errp) } } + /* Devices should not use both ioeventfd and notification data feature */ + virtio_device_check_notification_compatibility(vdev, &err); + if (err != NULL) { + error_propagate(errp, err); + vdc->unrealize(dev); + return; + } + virtio_bus_device_plugged(vdev, &err); if (err != NULL) { error_propagate(errp, err);