From 4e872a3fb024f0d742ef6b48be3afaab2c4453fc Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Thu, 25 Jul 2013 16:37:37 +0200 Subject: s390: provide I/O subsystem reset Provide a function that resets the I/O subsystem. Signed-off-by: Christian Borntraeger Acked-by: Alexander Graf --- hw/s390x/s390-virtio-ccw.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'hw/s390x') diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index aebbbf1755..8fd46a92c9 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -17,6 +17,21 @@ #include "css.h" #include "virtio-ccw.h" +void io_subsystem_reset(void) +{ + DeviceState *css, *sclp; + + css = DEVICE(object_resolve_path_type("", "virtual-css-bridge", NULL)); + if (css) { + qdev_reset_all(css); + } + sclp = DEVICE(object_resolve_path_type("", + "s390-sclp-event-facility", NULL)); + if (sclp) { + qdev_reset_all(sclp); + } +} + static int virtio_ccw_hcall_notify(const uint64_t *args) { uint64_t subch_id = args[0]; -- cgit v1.2.1