diff options
| -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, |