diff options
Diffstat (limited to 'hw/intc/s390_flic_kvm.c')
| -rw-r--r-- | hw/intc/s390_flic_kvm.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/hw/intc/s390_flic_kvm.c b/hw/intc/s390_flic_kvm.c index 46c9e612d1..b471e7a41e 100644 --- a/hw/intc/s390_flic_kvm.c +++ b/hw/intc/s390_flic_kvm.c @@ -117,6 +117,16 @@ static int flic_enqueue_irqs(void *buf, uint64_t len, return rc ? -errno : 0; } +int kvm_s390_inject_flic(struct kvm_s390_irq *irq) +{ + static KVMS390FLICState *flic; + + if (unlikely(!flic)) { + flic = KVM_S390_FLIC(s390_get_flic()); + } + return flic_enqueue_irqs(irq, sizeof(*irq), flic); +} + /** * __get_all_irqs - store all pending irqs in buffer * @flic: pointer to flic device state @@ -170,7 +180,8 @@ static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id, }; if (!kvm_check_extension(kvm_state, KVM_CAP_IRQ_ROUTING)) { - return -ENOSYS; + /* nothing to do */ + return 0; } r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr); @@ -195,7 +206,8 @@ static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id, int r; if (!kvm_check_extension(kvm_state, KVM_CAP_IRQ_ROUTING)) { - return -ENOSYS; + /* nothing to do */ + return 0; } r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr); |