From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52437) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c94IQ-0007JV-7i for qemu-devel@nongnu.org; Tue, 22 Nov 2016 01:11:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c94IO-0006Qt-7a for qemu-devel@nongnu.org; Tue, 22 Nov 2016 01:11:10 -0500 Received: from mx2.suse.de ([195.135.220.15]:43174) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c94IO-0006La-0Y for qemu-devel@nongnu.org; Tue, 22 Nov 2016 01:11:08 -0500 From: Juergen Gross Date: Tue, 22 Nov 2016 07:10:55 +0100 Message-Id: <20161122061059.26058-1-jgross@suse.com> Subject: [Qemu-devel] [PATCH v3 0/4] xen: add qdevs for each backend, correct pvUSB List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, xen-devel@lists.xensource.com Cc: anthony.perard@citrix.com, kraxel@redhat.com, sstabellini@kernel.org, armbru@redhat.com, Juergen Gross Trying to use pvUSB in a Xen guest with a qemu emulated USB controller will crash qemu as it tries to attach a pvUSB device to the emulated controller. This can be avoided by adding a unique id to each pvUSB controller which can be used when attaching the pvUSB device. In order to make this possible the pvUSB controller has to be a hotpluggable qemu device. This is achieved by adding a qdev for each Xen backend all attached to a new Xen specific bus. Changes in V3: - removed two spurious changes in patch 3 as requested by Stefano Changes in V2: - one qdev for each backend instead of pvUSB only Juergen Gross (4): xen: add an own bus for xen backend devices qdev: add function qdev_set_id() xen: create qdev for each backend device xen: attach pvusb usb bus to backend qdev hw/usb/xen-usb.c | 23 +++++++-------- hw/xen/xen_backend.c | 66 ++++++++++++++++++++++++++++++++++++++++++-- hw/xen/xen_pvdev.c | 4 ++- include/hw/xen/xen_backend.h | 8 ++++++ include/hw/xen/xen_pvdev.h | 1 + include/monitor/qdev.h | 1 + qdev-monitor.c | 36 +++++++++++++----------- 7 files changed, 106 insertions(+), 33 deletions(-) -- 2.10.0