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s390: provide I/O subsystem reset

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Provide a function that resets the I/O subsystem.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Christian Borntraeger 2013-07-25 16:37:37 +02:00
parent 268846ba93
commit 4e872a3fb0
2 changed files with 16 additions and 0 deletions
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15
hw/s390x/s390-virtio-ccw.c
View file

@ -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];