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s390x/kvm: implement floating-interrupt controller device

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This patch implements a floating-interrupt controller device (flic)
which interacts with the s390 flic kvm_device.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann 2013-07-16 09:04:04 +02:00 • committed by Christian Borntraeger
parent 216db403d0
commit 3a553fc658
7 changed files with 335 additions and 1 deletions
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8
hw/s390x/s390-virtio-ccw.c
View file

@ -13,13 +13,14 @@
#include "exec/address-spaces.h"
#include "s390-virtio.h"
#include "hw/s390x/sclp.h"
#include "hw/s390x/s390_flic.h"
#include "ioinst.h"
#include "css.h"
#include "virtio-ccw.h"
void io_subsystem_reset(void)
{
DeviceState *css, *sclp;
DeviceState *css, *sclp, *flic;
css = DEVICE(object_resolve_path_type("", "virtual-css-bridge", NULL));
if (css) {
@ -30,6 +31,10 @@ void io_subsystem_reset(void)
if (sclp) {
qdev_reset_all(sclp);
}
flic = DEVICE(object_resolve_path_type("", "s390-flic", NULL));
if (flic) {
qdev_reset_all(flic);
}
}
static int virtio_ccw_hcall_notify(const uint64_t *args)
@ -99,6 +104,7 @@ static void ccw_init(QEMUMachineInitArgs *args)
s390_sclp_init();
s390_init_ipl_dev(args->kernel_filename, args->kernel_cmdline,
args->initrd_filename, "s390-ccw.img");
s390_flic_init();
/* register hypercalls */
virtio_ccw_register_hcalls();

2
hw/s390x/s390-virtio.c
View file

@ -36,6 +36,7 @@
#include "hw/s390x/s390-virtio-bus.h"
#include "hw/s390x/sclp.h"
#include "hw/s390x/s390_flic.h"
#include "hw/s390x/s390-virtio.h"
//#define DEBUG_S390
@ -251,6 +252,7 @@ static void s390_init(QEMUMachineInitArgs *args)
s390_sclp_init();
s390_init_ipl_dev(args->kernel_filename, args->kernel_cmdline,
args->initrd_filename, ZIPL_FILENAME);
s390_flic_init();
/* register hypercalls */
s390_virtio_register_hcalls();