From patchwork Tue Apr 5 11:41:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cao jin X-Patchwork-Id: 8749961 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 190FD9F3D1 for ; Tue, 5 Apr 2016 11:43:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 77495203A0 for ; Tue, 5 Apr 2016 11:43:32 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C497F20398 for ; Tue, 5 Apr 2016 11:43:31 +0000 (UTC) Received: from localhost ([::1]:36398 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anPON-0004u7-7q for patchwork-qemu-devel@patchwork.kernel.org; Tue, 05 Apr 2016 07:43:31 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anPKx-00075a-KE for qemu-devel@nongnu.org; Tue, 05 Apr 2016 07:40:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1anPKw-0006I2-Ps for qemu-devel@nongnu.org; Tue, 05 Apr 2016 07:39:59 -0400 Received: from [59.151.112.132] (port=58683 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anPKv-0006Fu-La for qemu-devel@nongnu.org; Tue, 05 Apr 2016 07:39:58 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="5282006" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 05 Apr 2016 19:39:54 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (unknown [10.167.33.85]) by cn.fujitsu.com (Postfix) with ESMTP id 4C057408D279; Tue, 5 Apr 2016 19:39:50 +0800 (CST) Received: from G08FNSTD140223.g08.fujitsu.local (10.167.226.69) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.279.2; Tue, 5 Apr 2016 19:39:49 +0800 From: Cao jin To: Date: Tue, 5 Apr 2016 19:41:59 +0800 Message-ID: <1459856523-17085-9-git-send-email-caoj.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1459856523-17085-1-git-send-email-caoj.fnst@cn.fujitsu.com> References: <1459856523-17085-1-git-send-email-caoj.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.69] X-yoursite-MailScanner-ID: 4C057408D279.A94F1 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: caoj.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Cc: Chen Fan , izumi.taku@jp.fujitsu.com, alex.williamson@redhat.com, mst@redhat.com Subject: [Qemu-devel] [patch v6 08/12] vfio: add check aer functionality for hotplug device 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chen Fan when function 0 is hot-added, we can check the vfio device whether support hot bus reset. Signed-off-by: Chen Fan --- hw/vfio/pci.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index d94e643..16a4a3b 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3088,6 +3088,19 @@ post_reset: vfio_pci_post_reset(vdev); } +static void vfio_pci_is_valid(PCIDevice *dev, Error **errp) +{ + VFIOPCIDevice *vdev = DO_UPCAST(VFIOPCIDevice, pdev, dev); + Error *local_err = NULL; + + if (vdev->features & VFIO_FEATURE_ENABLE_AER) { + vfio_check_hot_bus_reset(vdev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + } + } +} + static void vfio_instance_init(Object *obj) { PCIDevice *pci_dev = PCI_DEVICE(obj); @@ -3142,6 +3155,7 @@ static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_MISC, dc->categories); pdc->init = vfio_initfn; pdc->exit = vfio_exitfn; + pdc->is_valid_func = vfio_pci_is_valid; pdc->config_read = vfio_pci_read_config; pdc->config_write = vfio_pci_write_config; pdc->is_express = 1; /* We might be */