KVM: s390: add ioctl to inject local interrupts

We have introduced struct kvm_s390_irq a while ago which allows to
inject all kinds of interrupts as defined in the Principles of
Operation.
Add ioctl to inject interrupts with the extended struct kvm_s390_irq

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index dbc9ca34d9da..8bc25d405edf 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -177,6 +177,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
         case KVM_CAP_S390_IRQCHIP:
         case KVM_CAP_VM_ATTRIBUTES:
         case KVM_CAP_MP_STATE:
+        case KVM_CAP_S390_INJECT_IRQ:
         case KVM_CAP_S390_USER_SIGP:
         case KVM_CAP_S390_USER_STSI:
         case KVM_CAP_S390_SKEYS:
@@ -2391,6 +2392,15 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
         long r;
 
         switch (ioctl) {
+        case KVM_S390_IRQ: {
+                struct kvm_s390_irq s390irq;
+
+                r = -EFAULT;
+                if (copy_from_user(&s390irq, argp, sizeof(s390irq)))
+                        break;
+                r = kvm_s390_inject_vcpu(vcpu, &s390irq);
+                break;
+        }
         case KVM_S390_INTERRUPT: {
                 struct kvm_s390_interrupt s390int;
                 struct kvm_s390_irq s390irq;