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>
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@ -186,13 +186,58 @@ struct kvm_vcpu_stat {
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u32 diagnose_9c;
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};
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#define PGM_OPERATION 0x01
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#define PGM_PRIVILEGED_OP 0x02
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#define PGM_EXECUTE 0x03
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#define PGM_PROTECTION 0x04
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#define PGM_ADDRESSING 0x05
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#define PGM_SPECIFICATION 0x06
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#define PGM_DATA 0x07
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#define PGM_OPERATION 0x01
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#define PGM_PRIVILEGED_OP 0x02
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#define PGM_EXECUTE 0x03
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#define PGM_PROTECTION 0x04
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#define PGM_ADDRESSING 0x05
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#define PGM_SPECIFICATION 0x06
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#define PGM_DATA 0x07
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#define PGM_FIXED_POINT_OVERFLOW 0x08
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#define PGM_FIXED_POINT_DIVIDE 0x09
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#define PGM_DECIMAL_OVERFLOW 0x0a
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#define PGM_DECIMAL_DIVIDE 0x0b
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#define PGM_HFP_EXPONENT_OVERFLOW 0x0c
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#define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
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#define PGM_HFP_SIGNIFICANCE 0x0e
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#define PGM_HFP_DIVIDE 0x0f
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#define PGM_SEGMENT_TRANSLATION 0x10
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#define PGM_PAGE_TRANSLATION 0x11
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#define PGM_TRANSLATION_SPEC 0x12
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#define PGM_SPECIAL_OPERATION 0x13
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#define PGM_OPERAND 0x15
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#define PGM_TRACE_TABEL 0x16
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#define PGM_SPACE_SWITCH 0x1c
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#define PGM_HFP_SQUARE_ROOT 0x1d
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#define PGM_PC_TRANSLATION_SPEC 0x1f
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#define PGM_AFX_TRANSLATION 0x20
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#define PGM_ASX_TRANSLATION 0x21
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#define PGM_LX_TRANSLATION 0x22
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#define PGM_EX_TRANSLATION 0x23
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#define PGM_PRIMARY_AUTHORITY 0x24
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#define PGM_SECONDARY_AUTHORITY 0x25
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#define PGM_LFX_TRANSLATION 0x26
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#define PGM_LSX_TRANSLATION 0x27
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#define PGM_ALET_SPECIFICATION 0x28
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#define PGM_ALEN_TRANSLATION 0x29
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#define PGM_ALE_SEQUENCE 0x2a
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#define PGM_ASTE_VALIDITY 0x2b
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#define PGM_ASTE_SEQUENCE 0x2c
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#define PGM_EXTENDED_AUTHORITY 0x2d
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#define PGM_LSTE_SEQUENCE 0x2e
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#define PGM_ASTE_INSTANCE 0x2f
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#define PGM_STACK_FULL 0x30
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#define PGM_STACK_EMPTY 0x31
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#define PGM_STACK_SPECIFICATION 0x32
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#define PGM_STACK_TYPE 0x33
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#define PGM_STACK_OPERATION 0x34
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#define PGM_ASCE_TYPE 0x38
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#define PGM_REGION_FIRST_TRANS 0x39
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#define PGM_REGION_SECOND_TRANS 0x3a
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#define PGM_REGION_THIRD_TRANS 0x3b
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#define PGM_MONITOR 0x40
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#define PGM_PER 0x80
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#define PGM_CRYPTO_OPERATION 0x119
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struct kvm_s390_interrupt_info {
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struct list_head list;
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@ -660,6 +660,31 @@ int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code)
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return 0;
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}
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int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu,
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struct kvm_s390_pgm_info *pgm_info)
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{
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struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;
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struct kvm_s390_interrupt_info *inti;
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inti = kzalloc(sizeof(*inti), GFP_KERNEL);
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if (!inti)
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return -ENOMEM;
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VCPU_EVENT(vcpu, 3, "inject: prog irq %d (from kernel)",
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pgm_info->code);
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trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT,
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pgm_info->code, 0, 1);
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inti->type = KVM_S390_PROGRAM_INT;
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memcpy(&inti->pgm, pgm_info, sizeof(inti->pgm));
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spin_lock_bh(&li->lock);
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list_add(&inti->list, &li->list);
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atomic_set(&li->active, 1);
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BUG_ON(waitqueue_active(li->wq));
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spin_unlock_bh(&li->lock);
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return 0;
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}
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struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm,
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u64 cr6, u64 schid)
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{
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@ -165,6 +165,9 @@ bool kvm_s390_cmma_enabled(struct kvm *kvm);
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/* implemented in diag.c */
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int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
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/* implemented in interrupt.c */
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int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu,
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struct kvm_s390_pgm_info *pgm_info);
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/* implemented in interrupt.c */
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int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu);
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