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| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2014-02-11 11:07:05 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 13:24:34 +0200 |
| commit | bcd846837c43ccccc932036d5a634bee48f1ff4f (patch) | |
| tree | b20154ac5d4e9e2a7252b817bd723ddeb33364cb /arch/s390/kvm/interrupt.c | |
| parent | 4f718eab262868aeab83774ec4ce25e6a9906657 (diff) | |
| download | op-kernel-dev-bcd846837c43ccccc932036d5a634bee48f1ff4f.zip op-kernel-dev-bcd846837c43ccccc932036d5a634bee48f1ff4f.tar.gz | |
KVM: s390: allow injecting every kind of interrupt
Add a new data structure and function that allows to inject
all kinds of interrupt as defined in the PoP
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 200a8f9..a44c689 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -660,6 +660,31 @@ int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code) return 0; } +int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu, + struct kvm_s390_pgm_info *pgm_info) +{ + struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; + struct kvm_s390_interrupt_info *inti; + + inti = kzalloc(sizeof(*inti), GFP_KERNEL); + if (!inti) + return -ENOMEM; + + VCPU_EVENT(vcpu, 3, "inject: prog irq %d (from kernel)", + pgm_info->code); + trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, + pgm_info->code, 0, 1); + + inti->type = KVM_S390_PROGRAM_INT; + memcpy(&inti->pgm, pgm_info, sizeof(inti->pgm)); + spin_lock_bh(&li->lock); + list_add(&inti->list, &li->list); + atomic_set(&li->active, 1); + BUG_ON(waitqueue_active(li->wq)); + spin_unlock_bh(&li->lock); + return 0; +} + struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm, u64 cr6, u64 schid) { |
