From patchwork Thu Mar 5 04:17:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Roth X-Patchwork-Id: 446573 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 5D30E140142 for ; Thu, 5 Mar 2015 15:23:21 +1100 (AEDT) Received: from localhost ([::1]:48131 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YTNJf-0003Vs-FC for incoming@patchwork.ozlabs.org; Wed, 04 Mar 2015 23:23:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50745) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YTNHK-0006qH-4n for qemu-devel@nongnu.org; Wed, 04 Mar 2015 23:21:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YTNHG-0007aq-3Y for qemu-devel@nongnu.org; Wed, 04 Mar 2015 23:20:54 -0500 Received: from e19.ny.us.ibm.com ([129.33.205.209]:59673) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YTNHF-0007Yp-Kj for qemu-devel@nongnu.org; Wed, 04 Mar 2015 23:20:49 -0500 Received: from /spool/local by e19.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 4 Mar 2015 23:20:49 -0500 Received: from d01dlp03.pok.ibm.com (9.56.250.168) by e19.ny.us.ibm.com (146.89.104.206) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 4 Mar 2015 23:20:47 -0500 Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id 93E49C90045; Wed, 4 Mar 2015 23:11:57 -0500 (EST) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t254KkKZ24969436; Thu, 5 Mar 2015 04:20:46 GMT Received: from d01av01.pok.ibm.com (localhost [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t254Kk44032516; Wed, 4 Mar 2015 23:20:46 -0500 Received: from localhost ([9.80.111.237]) by d01av01.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t254KjUG032464; Wed, 4 Mar 2015 23:20:46 -0500 From: Michael Roth To: qemu-devel@nongnu.org Date: Wed, 4 Mar 2015 22:17:56 -0600 Message-Id: <1425529076-15340-16-git-send-email-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1425529076-15340-1-git-send-email-mdroth@linux.vnet.ibm.com> References: <1425529076-15340-1-git-send-email-mdroth@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15030504-0013-0000-0000-0000001DBA5C X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 129.33.205.209 Cc: aik@ozlabs.ru, agraf@suse.de, ncmike@ncultra.org, qemu-ppc@nongnu.org, tyreld@linux.vnet.ibm.com, bharata.rao@gmail.com, nfont@linux.vnet.ibm.com, david@gibson.dropbear.id.au Subject: [Qemu-devel] [PATCH v7 15/15] spapr_pci: emit hotplug add/remove events during hotplug 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 From: Tyrel Datwyler This uses extension of existing EPOW interrupt/event mechanism to notify userspace tools like librtas/drmgr to handle in-guest configuration/cleanup operations in response to device_add/device_del. Userspace tools that don't implement this extension will need to be run manually in response/advance of device_add/device_del, respectively. Signed-off-by: Tyrel Datwyler Signed-off-by: Michael Roth Reviewed-by: David Gibson --- hw/ppc/spapr_pci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index dc4fa2c..11450c6 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1069,6 +1069,9 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler, error_propagate(errp, local_err); return; } + if (plugged_dev->hotplugged) { + spapr_hotplug_req_add_event(drc); + } } static void spapr_phb_hot_unplug_child(HotplugHandler *plug_handler, @@ -1099,6 +1102,7 @@ static void spapr_phb_hot_unplug_child(HotplugHandler *plug_handler, error_propagate(errp, local_err); return; } + spapr_hotplug_req_remove_event(drc); } }