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Tue, 26 Jan 2021 02:04:20 -0500 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-63-sEQ2GXziN_-MAPOwzwGi9g-1; Tue, 26 Jan 2021 02:04:12 -0500 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 617EE8799E0 for ; Tue, 26 Jan 2021 07:04:11 +0000 (UTC) Received: from laptop.redhat.com (ovpn-12-115.pek2.redhat.com [10.72.12.115]) by smtp.corp.redhat.com (Postfix) with ESMTP id D011270481; Tue, 26 Jan 2021 07:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611644654; 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=WJcUJHvBjXsnwfyTHfgl/jj1ddgQ0Itnc9egQ+dJRPQ=; b=WmeNtnEr38/BROcduNHR3KuzxMPJuS8iOOZgOgUslz/eRBfqbbFytSgUr6ZDDW05Kx7lCF QE6uG5XQOYRRjz/OtlmcVIGGOkIdtYbQTenZqGHeYG8+0Gk1t9TZkEQ0zKkjbepU3Parmb d3zDQZUyf3qUPx7Qlan/6iDcsqYRE0g= X-MC-Unique: sEQ2GXziN_-MAPOwzwGi9g-1 From: Cindy Lu To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v2 2/5] vhost_net: enable configure interrupt when vhost_net start Date: Tue, 26 Jan 2021 15:03:48 +0800 Message-Id: <20210126070351.28575-3-lulu@redhat.com> In-Reply-To: <20210126070351.28575-1-lulu@redhat.com> References: <20210126070351.28575-1-lulu@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=lulu@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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=-0.255, 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_H3=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: lulu@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" While peer is vhost vdpa, setup the configure interrupt function vhost_net_start and release the resource when vhost_net_stop Signed-off-by: Cindy Lu --- hw/net/vhost_net.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 24d555e764..0660da474a 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -345,6 +345,15 @@ int vhost_net_start(VirtIODevice *dev, NetClientState = *ncs, error_report("Error binding guest notifier: %d", -r); goto err; } + if (ncs->peer && ncs->peer->info->type =3D=3D NET_CLIENT_DRIVER_VHOST_= VDPA) { + if (k->set_config_notifiers) { + r =3D k->set_config_notifiers(qbus->parent, true); + if (r < 0) { + error_report("Error binding config notifier: %d", -r); + goto err; + } + } + } =20 for (i =3D 0; i < total_queues; i++) { peer =3D qemu_get_peer(ncs, i); @@ -391,7 +400,15 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState = *ncs, for (i =3D 0; i < total_queues; i++) { vhost_net_stop_one(get_vhost_net(ncs[i].peer), dev); } - + if (ncs->peer && ncs->peer->info->type =3D=3D NET_CLIENT_DRIVER_VHOST_V= DPA) { + if (k->set_config_notifiers) { + r =3D k->set_config_notifiers(qbus->parent, false); + if (r < 0) { + error_report("Error unbinding config notifier: %d", -r); + } + assert(r >=3D 0); + } + } r =3D k->set_guest_notifiers(qbus->parent, total_queues * 2, false); if (r < 0) { fprintf(stderr, "vhost guest notifier cleanup failed: %d\n", r); --=20 2.21.3