From patchwork Wed Apr 15 00:59:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Adalbert_Laz=C4=83r?= X-Patchwork-Id: 284356 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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 47DB8C2BB1D for ; Wed, 15 Apr 2020 01:08:23 +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 0B8922072D for ; Wed, 15 Apr 2020 01:08:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B8922072D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bitdefender.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40948 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOWXO-0001sz-08 for qemu-devel@archiver.kernel.org; Tue, 14 Apr 2020 21:08:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58353) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOWOy-0000vq-Hf for qemu-devel@nongnu.org; Tue, 14 Apr 2020 20:59:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jOWOx-00051k-Cb for qemu-devel@nongnu.org; Tue, 14 Apr 2020 20:59:40 -0400 Received: from mx01.bbu.dsd.mx.bitdefender.com ([91.199.104.161]:49078) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jOWOx-00050k-41 for qemu-devel@nongnu.org; Tue, 14 Apr 2020 20:59:39 -0400 Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id 7395430747C3; Wed, 15 Apr 2020 03:59:34 +0300 (EEST) Received: from localhost.localdomain (unknown [91.199.104.27]) by smtp.bitdefender.com (Postfix) with ESMTPSA id 5ACE2305B7A0; Wed, 15 Apr 2020 03:59:34 +0300 (EEST) From: =?utf-8?q?Adalbert_Laz=C4=83r?= To: qemu-devel@nongnu.org Subject: [RFC PATCH v1 05/26] char-socket: add 'fd' property Date: Wed, 15 Apr 2020 03:59:17 +0300 Message-Id: <20200415005938.23895-6-alazar@bitdefender.com> In-Reply-To: <20200415005938.23895-1-alazar@bitdefender.com> References: <20200415005938.23895-1-alazar@bitdefender.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 91.199.104.161 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: =?utf-8?q?Adalbert_Laz=C4=83r?= , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is used by the VM introspection object, after handshake, to hand over the file descriptor to KVM. CC: "Marc-André Lureau" CC: Paolo Bonzini Signed-off-by: Adalbert Lazăr --- chardev/char-socket.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 22ab242748..76d0fb8839 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -1499,6 +1499,21 @@ static bool char_socket_get_reconnecting(Object *obj, Error **errp) return s->reconnect_time > 0; } +static void +char_socket_get_fd(Object *obj, Visitor *v, const char *name, void *opaque, + Error **errp) +{ + int fd = -1; + SocketChardev *s = SOCKET_CHARDEV(obj); + QIOChannelSocket *sock = QIO_CHANNEL_SOCKET(s->sioc); + + if (sock) { + fd = sock->fd; + } + + visit_type_int32(v, name, &fd, errp); +} + static int tcp_chr_reconnect_time(Chardev *chr, int secs) { SocketChardev *s = SOCKET_CHARDEV(chr); @@ -1539,6 +1554,9 @@ static void char_socket_class_init(ObjectClass *oc, void *data) object_class_property_add_bool(oc, "reconnecting", char_socket_get_reconnecting, NULL, &error_abort); + + object_class_property_add(oc, "fd", "int32", char_socket_get_fd, + NULL, NULL, NULL, &error_abort); } static const TypeInfo char_socket_type_info = {