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s390x/flic: implement qemu_s390_clear_io_flic()

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Now that we have access to the io interrupts, we can implement
clear_io_irq() for TCG.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180129125623.21729-11-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2018-01-29 13:56:15 +01:00 committed by Cornelia Huck
parent 6a253de395
commit 6e0d8175d6
1 changed files with 29 additions and 2 deletions
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31
hw/intc/s390_flic.c
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@ -79,8 +79,35 @@ static void qemu_s390_release_adapter_routes(S390FLICState *fs,
static int qemu_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
uint16_t subchannel_nr)
{
/* Fixme TCG */
return -ENOSYS;
QEMUS390FLICState *flic = QEMU_S390_FLIC(fs);
QEMUS390FlicIO *cur, *next;
uint8_t isc;
g_assert(qemu_mutex_iothread_locked());
if (!(flic->pending & FLIC_PENDING_IO)) {
return 0;
}
/* check all iscs */
for (isc = 0; isc < 8; isc++) {
if (QLIST_EMPTY(&flic->io[isc])) {
continue;
}
/* search and delete any matching one */
QLIST_FOREACH_SAFE(cur, &flic->io[isc], next, next) {
if (cur->id == subchannel_id && cur->nr == subchannel_nr) {
QLIST_REMOVE(cur, next);
g_free(cur);
}
}
/* update our indicator bit */
if (QLIST_EMPTY(&flic->io[isc])) {
flic->pending &= ~ISC_TO_PENDING_IO(isc);
}
}
return 0;
}
static int qemu_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,