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 74E8DC433EF for ; Fri, 1 Oct 2021 07:11:59 +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 187F6611C7 for ; Fri, 1 Oct 2021 07:11:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 187F6611C7 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]:43430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mWCi6-0001JV-9P for qemu-devel@archiver.kernel.org; Fri, 01 Oct 2021 03:11:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36162) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWCfs-0007B7-VP for qemu-devel@nongnu.org; Fri, 01 Oct 2021 03:09:42 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:21704) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWCfq-0002rJ-Q1 for qemu-devel@nongnu.org; Fri, 01 Oct 2021 03:09:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633072177; 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=Cj8QM05V63c4CeVJDbrPZw5Vo13mWE1Jz+BFYgkYJZc=; b=RJmej8fIHWeiqX8qNjl/ie+LmQ2F5yee7LkqI4HDAoP5oY5PfLAD/tQHjuXRNPIGMwdonO 36iTfOSzdYZGBqX0nI7MCMigQQvXj3wqfiEcebPLn5NedwUafiu6+IwrS5Py6KCoAzMhSx rXHdZSGj7IOMGUl4yCsLwy1G+oBFzfg= 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-578-Xv5e4LRUPOusZ76MYWvRIA-1; Fri, 01 Oct 2021 03:09:36 -0400 X-MC-Unique: Xv5e4LRUPOusZ76MYWvRIA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CE04C802C94; Fri, 1 Oct 2021 07:09:34 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id CFBAA652A3; Fri, 1 Oct 2021 07:09:31 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [RFC PATCH v4 07/20] vdpa: Register vdpa devices in a list Date: Fri, 1 Oct 2021 09:05:50 +0200 Message-Id: <20211001070603.307037-8-eperezma@redhat.com> In-Reply-To: <20211001070603.307037-1-eperezma@redhat.com> References: <20211001070603.307037-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 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=170.10.133.124; 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: Parav Pandit , Juan Quintela , Jason Wang , "Michael S. Tsirkin" , Markus Armbruster , virtualization@lists.linux-foundation.org, Harpreet Singh Anand , Xiao W Wang , Stefan Hajnoczi , Eli Cohen , Eric Blake , Michael Lilja , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This way QMP command can iterate through them and find the devices it needs to enable shadow virtqueue in. 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 9188226d8b..0d565bb5bd 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -12,6 +12,7 @@ #ifndef HW_VIRTIO_VHOST_VDPA_H #define HW_VIRTIO_VHOST_VDPA_H +#include "qemu/queue.h" #include "hw/virtio/virtio.h" typedef struct VhostVDPAHostNotifier { @@ -24,6 +25,7 @@ typedef struct vhost_vdpa { uint32_t msg_type; MemoryListener listener; struct vhost_dev *dev; + QLIST_ENTRY(vhost_vdpa) entry; VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX]; } VhostVDPA; diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index c63e311d7c..e0dc7508c3 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -26,6 +26,9 @@ #include "qapi/qapi-commands-net.h" #include "qapi/error.h" +static QLIST_HEAD(, vhost_vdpa) vhost_vdpa_devices = + QLIST_HEAD_INITIALIZER(vhost_vdpa_devices); + static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) { return (!memory_region_is_ram(section->mr) && @@ -280,6 +283,7 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp) dev->opaque = opaque ; v->listener = vhost_vdpa_memory_listener; v->msg_type = VHOST_IOTLB_MSG_V2; + QLIST_INSERT_HEAD(&vhost_vdpa_devices, v, entry); vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER); @@ -377,6 +381,7 @@ static int vhost_vdpa_cleanup(struct vhost_dev *dev) trace_vhost_vdpa_cleanup(dev, v); vhost_vdpa_host_notifiers_uninit(dev, dev->nvqs); memory_listener_unregister(&v->listener); + QLIST_REMOVE(v, entry); dev->opaque = NULL; return 0; -- 2.27.0