From patchwork Fri Apr 17 12:13:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 462042 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id AE78A1401DA for ; Fri, 17 Apr 2015 23:13:51 +1000 (AEST) Received: from localhost ([::1]:41307 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yj65d-0003He-JH for incoming@patchwork.ozlabs.org; Fri, 17 Apr 2015 09:13:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57025) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yj5AV-00056v-Hz for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yj5AQ-00020R-PN for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:47 -0400 Received: from mail-pa0-f43.google.com ([209.85.220.43]:33240) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yj5AQ-00020E-KH for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:42 -0400 Received: by paboj16 with SMTP id oj16so123767697pab.0 for ; Fri, 17 Apr 2015 05:14:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vqgoAfCWL14J/J4cRSNeKIJV4n4HrnEbRtfeqmnYNpM=; b=V3cDjgBsCtlFWgJcRJrioRO12OiHWFrhQw4bOi4UfPIQ6On1Jmu0X1+lnLiMEYrNOs yCEu+MGHMjAPfNb4bBY4CAFHyEfT8lzDdXEK43lLc23Hm/oInwofwEZHGKSYfIgmnGGE mN/2PtLO7Jz/aP7SW5wuAg6xRBzGjOlT9uaHOo2/q84dKoatDSapkt5zfhBA1ZGW1h/6 PsHx0w75LGYT++mcPZt43NDTMdxhomGcbmZEALwgmNCCWkVT00ajpAgzQH/Bse7+oKwy OYMUQJ5yi3P9PVRV8GI9MUgprQt5VnAZH5UTFomKLtfx/MXaJgtMf+DuH26Sqz7oSLx2 G7Wg== X-Gm-Message-State: ALoCoQlAvVncAqlAOgvcx6rIL6Fv9t66Ret8Yv8vI+R9ztDhakq4bbvs1JDxckl6CF/yGIUbbHL0 X-Received: by 10.70.96.65 with SMTP id dq1mr5009752pdb.79.1429272882219; Fri, 17 Apr 2015 05:14:42 -0700 (PDT) Received: from localhost.localdomain ([180.150.153.56]) by mx.google.com with ESMTPSA id nb10sm10006492pdb.76.2015.04.17.05.14.38 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 17 Apr 2015 05:14:40 -0700 (PDT) From: Shannon Zhao To: qemu-devel@nongnu.org Date: Fri, 17 Apr 2015 20:13:43 +0800 Message-Id: <1429272826-4145-2-git-send-email-shannon.zhao@linaro.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1429272826-4145-1-git-send-email-shannon.zhao@linaro.org> References: <1429272826-4145-1-git-send-email-shannon.zhao@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.220.43 X-Mailman-Approved-At: Fri, 17 Apr 2015 09:13:08 -0400 Cc: peter.maydell@linaro.org, mst@redhat.com, peter.huangpeng@huawei.com, shannon.zhao@linaro.org, zhaoshenglong@huawei.com, pbonzini@redhat.com, christoffer.dall@linaro.org Subject: [Qemu-devel] [PATCH 1/4] hw/s390x/virtio-ccw: Add virtio_ccw_device_plugged for virtio-ccw X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add virtio_ccw_device_plugged, it can be used to get backend's features. Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao --- hw/s390x/virtio-ccw.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 130535c..30ca377 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1395,6 +1395,16 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) return 0; } +/* This is called by virtio-bus just after the device is plugged. */ +static void virtio_ccw_device_plugged(DeviceState *d) +{ + VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); + + /* Only the first 32 feature bits are used. */ + dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus, + dev->host_features[0]); +} + /**************** Virtio-ccw Bus Device Descriptions *******************/ static Property virtio_ccw_net_properties[] = { @@ -1711,6 +1721,7 @@ static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) k->load_queue = virtio_ccw_load_queue; k->save_config = virtio_ccw_save_config; k->load_config = virtio_ccw_load_config; + k->device_plugged = virtio_ccw_device_plugged; } static const TypeInfo virtio_ccw_bus_info = {