From d0508c3664290baad379f6513c92cae6e5aac95b Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 10 Jan 2013 15:49:07 +0100 Subject: qdev: add qbus_reset_all Signed-off-by: Paolo Bonzini Signed-off-by: Anthony Liguori --- hw/qdev-core.h | 12 ++++++++++++ hw/qdev.c | 7 ++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/qdev-core.h b/hw/qdev-core.h index fdf14ec..853bd08 100644 --- a/hw/qdev-core.h +++ b/hw/qdev-core.h @@ -182,6 +182,18 @@ int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn, int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn, qbus_walkerfn *busfn, void *opaque); void qdev_reset_all(DeviceState *dev); + +/** + * @qbus_reset_all: + * @bus: Bus to be reset. + * + * Reset @bus and perform a bus-level ("hard") reset of all devices connected + * to it, including recursive processing of all buses below @bus itself. A + * hard reset means that qbus_reset_all will reset all state of the device. + * For PCI devices, for example, this will include the base address registers + * or configuration space. + */ +void qbus_reset_all(BusState *bus); void qbus_reset_all_fn(void *opaque); void qbus_free(BusState *bus); diff --git a/hw/qdev.c b/hw/qdev.c index b027ead..1b68d02 100644 --- a/hw/qdev.c +++ b/hw/qdev.c @@ -228,10 +228,15 @@ void qdev_reset_all(DeviceState *dev) qdev_walk_children(dev, qdev_reset_one, qbus_reset_one, NULL); } +void qbus_reset_all(BusState *bus) +{ + qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL); +} + void qbus_reset_all_fn(void *opaque) { BusState *bus = opaque; - qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL); + qbus_reset_all(bus); } /* can be used as ->unplug() callback for the simple cases */ -- cgit v1.1