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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01408C433EF for ; Fri, 29 Oct 2021 18:58:16 +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 9FC7E60FF2 for ; Fri, 29 Oct 2021 18:58:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9FC7E60FF2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:44872 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgX4w-0007ic-Na for qemu-devel@archiver.kernel.org; Fri, 29 Oct 2021 14:58:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46260) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgWp0-0007zZ-LY for qemu-devel@nongnu.org; Fri, 29 Oct 2021 14:41:46 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:28357) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgWoz-0001pR-2s for qemu-devel@nongnu.org; Fri, 29 Oct 2021 14:41:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635532904; 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=PyiLkHtoPR7tVeK2z9lK3114x884BsTPtJLaXQ3EtbM=; b=CWz1sUyxlTn+n8xL2oLqTVeaXfRjaMD5ydUqAV8D2aU8Z64HAX2YloiWWK+yW1zm3IY15P Ib6fdnE9gc0zshLwC7NgSLmGir1AKpbUzfi8KAxuhZqGPPJu6dJ9HhfAsLEUm1jNGz5gQm 1aiA8H1V6420rkRN2O0Kg/KVMd9R/QM= 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-555-4Mk5a5siOMmVnWJh0cl0ZQ-1; Fri, 29 Oct 2021 14:41:41 -0400 X-MC-Unique: 4Mk5a5siOMmVnWJh0cl0ZQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 95F061006AA2; Fri, 29 Oct 2021 18:41:39 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id F25055D6CF; Fri, 29 Oct 2021 18:40:57 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [RFC PATCH v5 15/26] vdpa: Save call_fd in vhost-vdpa Date: Fri, 29 Oct 2021 20:35:14 +0200 Message-Id: <20211029183525.1776416-16-eperezma@redhat.com> In-Reply-To: <20211029183525.1776416-1-eperezma@redhat.com> References: <20211029183525.1776416-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: Laurent Vivier , Parav Pandit , "Michael S. Tsirkin" , Jason Wang , Juan Quintela , Richard Henderson , Stefan Hajnoczi , Peter Xu , Markus Armbruster , Harpreet Singh Anand , Xiao W Wang , Eli Cohen , Paolo Bonzini , Stefano Garzarella , Eric Blake , virtualization@lists.linux-foundation.org, Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We need to know it to switch to Shadow VirtQueue. Signed-off-by: Eugenio Pérez --- include/hw/virtio/vhost-vdpa.h | 2 ++ hw/virtio/vhost-vdpa.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 6d60092c96..2f57b17208 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -33,6 +33,8 @@ typedef struct vhost_vdpa { GPtrArray *shadow_vqs; struct vhost_dev *dev; int kick_fd[VIRTIO_QUEUE_MAX]; + /* File descriptor the device uses to call VM/SVQ */ + int call_fd[VIRTIO_QUEUE_MAX]; VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX]; } VhostVDPA; diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index c388705e73..64f71bd51b 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -761,7 +761,12 @@ static int vhost_vdpa_set_vring_kick(struct vhost_dev *dev, static int vhost_vdpa_set_vring_call(struct vhost_dev *dev, struct vhost_vring_file *file) { + struct vhost_vdpa *v = dev->opaque; + int vdpa_idx = vhost_vdpa_get_vq_index(dev, file->index); + trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd); + + v->call_fd[vdpa_idx] = file->fd; return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file); } -- 2.27.0