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| author | David Hildenbrand <david@redhat.com> | 2018-01-29 13:56:15 +0100 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2018-02-09 09:37:13 +0100 |
| commit | 6e0d8175d63afba248f7da09047d0fcedd1e953d (patch) | |
| tree | 278a5c65471394d301bab5189679214a304f80fe /hw/intc | |
| parent | 6a253de39557433e19878c7e78aa5cc65b763813 (diff) | |
| download | qemu-6e0d8175d63afba248f7da09047d0fcedd1e953d.zip qemu-6e0d8175d63afba248f7da09047d0fcedd1e953d.tar.gz qemu-6e0d8175d63afba248f7da09047d0fcedd1e953d.tar.bz2 | |
s390x/flic: implement qemu_s390_clear_io_flic()
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>
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/s390_flic.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c index 928bdc3..cb216de 100644 --- a/hw/intc/s390_flic.c +++ b/hw/intc/s390_flic.c @@ -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, |