Commit 6e0d8175 authored by David Hildenbrand's avatar David Hildenbrand Committed by Cornelia Huck
Browse files

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: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20180129125623.21729-11-david@redhat.com>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent 6a253de3

hw/intc/s390_flic.c

+29 −2
Original line number Diff line number Diff line
@@ -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,