From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c9G5H-0000XC-OK for qemu-devel@nongnu.org; Tue, 22 Nov 2016 13:46:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c9G5E-0001PU-AZ for qemu-devel@nongnu.org; Tue, 22 Nov 2016 13:46:23 -0500 Received: from mail.kernel.org ([198.145.29.136]:46802) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c9G5E-0001PD-0n for qemu-devel@nongnu.org; Tue, 22 Nov 2016 13:46:20 -0500 From: Stefano Stabellini Date: Tue, 22 Nov 2016 10:46:06 -0800 Message-Id: <1479840369-19503-2-git-send-email-sstabellini@kernel.org> In-Reply-To: <1479840369-19503-1-git-send-email-sstabellini@kernel.org> References: <1479840369-19503-1-git-send-email-sstabellini@kernel.org> Subject: [Qemu-devel] [PULL 2/5] xen: add an own bus for xen backend devices List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: stefanha@gmail.com Cc: stefanha@redhat.com, peter.maydell@linaro.org, sstabellini@kernel.org, anthony.perard@citrix.com, xen-devel@lists.xenproject.org, qemu-devel@nongnu.org, Juergen Gross From: Juergen Gross Add a bus for Xen backend devices in order to be able to establish a dedicated device path for pluggable devices. Signed-off-by: Juergen Gross Reviewed-by: Stefano Stabellini Signed-off-by: Stefano Stabellini --- hw/xen/xen_backend.c | 19 ++++++++++++++++--- include/hw/xen/xen_backend.h | 4 ++++ 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c index 41ba5c5..5ad3caa 100644 --- a/hw/xen/xen_backend.c +++ b/hw/xen/xen_backend.c @@ -29,14 +29,14 @@ #include "hw/sysbus.h" #include "sysemu/char.h" #include "qemu/log.h" +#include "qapi/error.h" #include "hw/xen/xen_backend.h" #include "hw/xen/xen_pvdev.h" #include -#define TYPE_XENSYSDEV "xensysdev" - DeviceState *xen_sysdev; +BusState *xen_sysbus; /* ------------------------------------------------------------- */ @@ -528,6 +528,8 @@ int xen_be_init(void) xen_sysdev = qdev_create(NULL, TYPE_XENSYSDEV); qdev_init_nofail(xen_sysdev); + xen_sysbus = qbus_create(TYPE_XENSYSBUS, DEVICE(xen_sysdev), "xen-sysbus"); + qbus_set_bus_hotplug_handler(xen_sysbus, &error_abort); return 0; @@ -586,6 +588,15 @@ int xen_be_bind_evtchn(struct XenDevice *xendev) } +static const TypeInfo xensysbus_info = { + .name = TYPE_XENSYSBUS, + .parent = TYPE_BUS, + .interfaces = (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + } +}; + static int xen_sysdev_init(SysBusDevice *dev) { return 0; @@ -602,6 +613,7 @@ static void xen_sysdev_class_init(ObjectClass *klass, void *data) k->init = xen_sysdev_init; dc->props = xen_sysdev_properties; + dc->bus_type = TYPE_XENSYSBUS; } static const TypeInfo xensysdev_info = { @@ -613,7 +625,8 @@ static const TypeInfo xensysdev_info = { static void xenbe_register_types(void) { + type_register_static(&xensysbus_info); type_register_static(&xensysdev_info); } -type_init(xenbe_register_types); +type_init(xenbe_register_types) diff --git a/include/hw/xen/xen_backend.h b/include/hw/xen/xen_backend.h index cbda40e..38f730e 100644 --- a/include/hw/xen/xen_backend.h +++ b/include/hw/xen/xen_backend.h @@ -6,12 +6,16 @@ #include "sysemu/sysemu.h" #include "net/net.h" +#define TYPE_XENSYSDEV "xen-sysdev" +#define TYPE_XENSYSBUS "xen-sysbus" + /* variables */ extern xc_interface *xen_xc; extern xenforeignmemory_handle *xen_fmem; extern struct xs_handle *xenstore; extern const char *xen_protocol; extern DeviceState *xen_sysdev; +extern BusState *xen_sysbus; int xenstore_mkdir(char *path, int p); int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val); -- 1.9.1