From patchwork Fri Jan 29 20:54:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 12056563 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 24E28C433E0 for ; Fri, 29 Jan 2021 21:04:17 +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 8653764E0A for ; Fri, 29 Jan 2021 21:04:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8653764E0A 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]:50694 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l5awB-0007Cy-Ly for qemu-devel@archiver.kernel.org; Fri, 29 Jan 2021 16:04:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57896) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l5anT-0007FY-BJ for qemu-devel@nongnu.org; Fri, 29 Jan 2021 15:55:15 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:41121) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l5anQ-0002lx-8H for qemu-devel@nongnu.org; Fri, 29 Jan 2021 15:55:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611953711; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=00gwvgJA+llGIBdQd+EvPx5t+eKR6oOvAkUuCnrmRTE=; b=Be8MRw1U0BNV9t/QsyIcUTyxyCtH4jhc8yaoQZEZwRALttRkARQh4cWlj048KDWqyPrCbD M57yiWvf+eCx3Y7VMk9VgpxYbPt7oFxQMSZjDVLJQ4YkmhXYc4iJtgf3QCF6zMcXVi01ys c/PfPS6WPSvEO8yT+VC1gySbLPNo+0Y= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-538-ebyRKZAHPni11PBgrSXjtg-1; Fri, 29 Jan 2021 15:55:07 -0500 X-MC-Unique: ebyRKZAHPni11PBgrSXjtg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0C9EF8144E3; Fri, 29 Jan 2021 20:55:06 +0000 (UTC) Received: from eperezma.remote.csb (ovpn-113-115.ams2.redhat.com [10.36.113.115]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0EC3319C66; Fri, 29 Jan 2021 20:54:56 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [RFC 06/10] vhost: Save masked_notifier state Date: Fri, 29 Jan 2021 21:54:11 +0100 Message-Id: <20210129205415.876290-7-eperezma@redhat.com> In-Reply-To: <20210129205415.876290-1-eperezma@redhat.com> References: <20210129205415.876290-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eperezma@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.249, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: Parav Pandit , "Michael S. Tsirkin" , Jason Wang , Juan Quintela , Markus Armbruster , virtualization@lists.linux-foundation.org, Harpreet Singh Anand , Xiao W Wang , Stefan Hajnoczi , Eli Cohen , Stefano Garzarella , Michael Lilja , Jim Harford , Rob Miller Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It will be used to recover call eventfd. Signed-off-by: Eugenio Pérez --- include/hw/virtio/vhost.h | 1 + hw/virtio/vhost.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index fca076e3f0..2be782cefd 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -28,6 +28,7 @@ struct vhost_virtqueue { unsigned avail_size; unsigned long long used_phys; unsigned used_size; + bool notifier_is_masked; EventNotifier masked_notifier; struct vhost_dev *dev; }; diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 8683d507f5..040f68ff2e 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1526,6 +1526,8 @@ void vhost_virtqueue_mask(struct vhost_dev *hdev, VirtIODevice *vdev, int n, /* should only be called after backend is connected */ assert(hdev->vhost_ops); + hdev->vqs[index].notifier_is_masked = mask; + if (mask) { assert(vdev->use_guest_notifier_mask); file.fd = event_notifier_get_fd(&hdev->vqs[index].masked_notifier);