KVM: s390: refactor interrupt delivery code
Move delivery code for cpu-local interrupt from the huge do_deliver_interrupt() to smaller functions which handle one type of interrupt. Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann
Christian Borntraeger
parent
60f90a14dd
commit
0fb97abe05
1 changed files with 282 additions and 177 deletions
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@ -30,8 +30,6 @@
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#define PFAULT_DONE 0x0680
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#define VIRTIO_PARAM 0x0d00
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static int __must_check deliver_ckc_interrupt(struct kvm_vcpu *vcpu);
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static int is_ioint(u64 type)
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{
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return ((type & 0xfffe0000u) != 0xfffe0000u);
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@ -228,12 +226,183 @@ static u16 get_ilc(struct kvm_vcpu *vcpu)
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}
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}
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static int __must_check __deliver_prog_irq(struct kvm_vcpu *vcpu,
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struct kvm_s390_pgm_info *pgm_info)
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static int __must_check __deliver_cpu_timer(struct kvm_vcpu *vcpu)
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{
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int rc;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER,
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0, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_CPU_TIMER,
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(u16 *)__LC_EXT_INT_CODE);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_ckc(struct kvm_vcpu *vcpu)
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{
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int rc;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP,
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0, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_CLK_COMP,
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(u16 __user *)__LC_EXT_INT_CODE);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_pfault_init(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_ext_info *ext = &inti->ext;
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int rc;
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VCPU_EVENT(vcpu, 4, "interrupt: pfault init parm:%x,parm64:%llx",
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0, ext->ext_params2);
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id,
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KVM_S390_INT_PFAULT_INIT,
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0, ext->ext_params2);
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rc = put_guest_lc(vcpu, EXT_IRQ_CP_SERVICE, (u16 *) __LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, PFAULT_INIT, (u16 *) __LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= put_guest_lc(vcpu, ext->ext_params2, (u64 *) __LC_EXT_PARAMS2);
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return rc;
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}
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static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_mchk_info *mchk = &inti->mchk;
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int rc;
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VCPU_EVENT(vcpu, 4, "interrupt: machine check mcic=%llx",
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mchk->mcic);
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_MCHK,
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mchk->cr14, mchk->mcic);
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rc = kvm_s390_vcpu_store_status(vcpu, KVM_S390_STORE_STATUS_PREFIXED);
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rc |= put_guest_lc(vcpu, mchk->mcic,
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(u64 __user *) __LC_MCCK_CODE);
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rc |= put_guest_lc(vcpu, mchk->failing_storage_address,
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(u64 __user *) __LC_MCCK_FAIL_STOR_ADDR);
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rc |= write_guest_lc(vcpu, __LC_PSW_SAVE_AREA,
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&mchk->fixed_logout, sizeof(mchk->fixed_logout));
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rc |= write_guest_lc(vcpu, __LC_MCK_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_MCK_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_restart(struct kvm_vcpu *vcpu)
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{
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int rc;
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu restart");
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vcpu->stat.deliver_restart_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0);
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rc = write_guest_lc(vcpu,
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offsetof(struct _lowcore, restart_old_psw),
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, offsetof(struct _lowcore, restart_psw),
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_stop(struct kvm_vcpu *vcpu)
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{
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu stop");
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vcpu->stat.deliver_stop_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_SIGP_STOP,
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0, 0);
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__set_cpuflag(vcpu, CPUSTAT_STOP_INT);
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return 0;
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}
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static int __must_check __deliver_set_prefix(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_prefix_info *prefix = &inti->prefix;
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VCPU_EVENT(vcpu, 4, "interrupt: set prefix to %x", prefix->address);
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vcpu->stat.deliver_prefix_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id,
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KVM_S390_SIGP_SET_PREFIX,
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prefix->address, 0);
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kvm_s390_set_prefix(vcpu, prefix->address);
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return 0;
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}
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static int __must_check __deliver_emergency_signal(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_emerg_info *emerg = &inti->emerg;
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int rc;
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp emerg");
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vcpu->stat.deliver_emergency_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->emerg.code, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_EMERGENCY_SIG,
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(u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, emerg->code, (u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_external_call(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_extcall_info *extcall = &inti->extcall;
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int rc;
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp ext call");
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vcpu->stat.deliver_external_call++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id,
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KVM_S390_INT_EXTERNAL_CALL,
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extcall->code, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_EXTERNAL_CALL,
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(u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, extcall->code, (u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw,
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sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_prog(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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struct kvm_s390_pgm_info *pgm_info = &inti->pgm;
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int rc = 0;
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u16 ilc = get_ilc(vcpu);
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VCPU_EVENT(vcpu, 4, "interrupt: pgm check code:%x, ilc:%x",
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pgm_info->code, ilc);
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vcpu->stat.deliver_program_int++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT,
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pgm_info->code, 0);
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switch (pgm_info->code & ~PGM_PER) {
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case PGM_AFX_TRANSLATION:
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case PGM_ASX_TRANSLATION:
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@ -306,202 +475,151 @@ static int __must_check __deliver_prog_irq(struct kvm_vcpu *vcpu,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_PGM_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __deliver_service(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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int rc;
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VCPU_EVENT(vcpu, 4, "interrupt: sclp parm:%x",
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inti->ext.ext_params);
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vcpu->stat.deliver_service_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->ext.ext_params, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_SERVICE_SIG, (u16 *)__LC_EXT_INT_CODE);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= put_guest_lc(vcpu, inti->ext.ext_params,
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(u32 *)__LC_EXT_PARAMS);
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return rc;
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}
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static int __must_check __deliver_pfault_done(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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int rc;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id,
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KVM_S390_INT_PFAULT_DONE, 0,
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inti->ext.ext_params2);
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rc = put_guest_lc(vcpu, EXT_IRQ_CP_SERVICE, (u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, PFAULT_DONE, (u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= put_guest_lc(vcpu, inti->ext.ext_params2,
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(u64 *)__LC_EXT_PARAMS2);
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return rc;
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}
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static int __must_check __deliver_virtio(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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int rc;
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VCPU_EVENT(vcpu, 4, "interrupt: virtio parm:%x,parm64:%llx",
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inti->ext.ext_params, inti->ext.ext_params2);
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vcpu->stat.deliver_virtio_interrupt++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->ext.ext_params,
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inti->ext.ext_params2);
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rc = put_guest_lc(vcpu, EXT_IRQ_CP_SERVICE, (u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, VIRTIO_PARAM, (u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= put_guest_lc(vcpu, inti->ext.ext_params,
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(u32 *)__LC_EXT_PARAMS);
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rc |= put_guest_lc(vcpu, inti->ext.ext_params2,
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(u64 *)__LC_EXT_PARAMS2);
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return rc;
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}
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static int __must_check __deliver_io(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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int rc;
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VCPU_EVENT(vcpu, 4, "interrupt: I/O %llx", inti->type);
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vcpu->stat.deliver_io_int++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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((__u32)inti->io.subchannel_id << 16) |
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inti->io.subchannel_nr,
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((__u64)inti->io.io_int_parm << 32) |
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inti->io.io_int_word);
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rc = put_guest_lc(vcpu, inti->io.subchannel_id,
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(u16 *)__LC_SUBCHANNEL_ID);
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rc |= put_guest_lc(vcpu, inti->io.subchannel_nr,
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(u16 *)__LC_SUBCHANNEL_NR);
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rc |= put_guest_lc(vcpu, inti->io.io_int_parm,
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(u32 *)__LC_IO_INT_PARM);
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rc |= put_guest_lc(vcpu, inti->io.io_int_word,
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(u32 *)__LC_IO_INT_WORD);
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rc |= write_guest_lc(vcpu, __LC_IO_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_IO_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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return rc;
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}
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static int __must_check __do_deliver_interrupt(struct kvm_vcpu *vcpu,
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struct kvm_s390_interrupt_info *inti)
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{
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const unsigned short table[] = { 2, 4, 4, 6 };
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int rc = 0;
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int rc;
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switch (inti->type) {
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case KVM_S390_INT_EMERGENCY:
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp emerg");
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vcpu->stat.deliver_emergency_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->emerg.code, 0);
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rc = put_guest_lc(vcpu, 0x1201, (u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, inti->emerg.code,
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(u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc = __deliver_emergency_signal(vcpu, inti);
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break;
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case KVM_S390_INT_EXTERNAL_CALL:
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VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp ext call");
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vcpu->stat.deliver_external_call++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->extcall.code, 0);
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rc = put_guest_lc(vcpu, 0x1202, (u16 *)__LC_EXT_INT_CODE);
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rc |= put_guest_lc(vcpu, inti->extcall.code,
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(u16 *)__LC_EXT_CPU_ADDR);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw,
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sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw,
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sizeof(psw_t));
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rc = __deliver_external_call(vcpu, inti);
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break;
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case KVM_S390_INT_CLOCK_COMP:
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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0, 0);
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rc = deliver_ckc_interrupt(vcpu);
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rc = __deliver_ckc(vcpu);
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break;
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case KVM_S390_INT_CPU_TIMER:
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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0, 0);
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rc = put_guest_lc(vcpu, EXT_IRQ_CPU_TIMER,
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(u16 *)__LC_EXT_INT_CODE);
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rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
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&vcpu->arch.sie_block->gpsw,
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sizeof(psw_t));
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rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
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&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
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rc = __deliver_cpu_timer(vcpu);
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break;
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case KVM_S390_INT_SERVICE:
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VCPU_EVENT(vcpu, 4, "interrupt: sclp parm:%x",
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inti->ext.ext_params);
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vcpu->stat.deliver_service_signal++;
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trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
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inti->ext.ext_params, 0);
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rc = put_guest_lc(vcpu, 0x2401, (u16 *)__LC_EXT_INT_CODE);
|
||||
rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= put_guest_lc(vcpu, inti->ext.ext_params,
|
||||
(u32 *)__LC_EXT_PARAMS);
|
||||
rc = __deliver_service(vcpu, inti);
|
||||
break;
|
||||
case KVM_S390_INT_PFAULT_INIT:
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type, 0,
|
||||
inti->ext.ext_params2);
|
||||
rc = put_guest_lc(vcpu, EXT_IRQ_CP_SERVICE,
|
||||
(u16 *) __LC_EXT_INT_CODE);
|
||||
rc |= put_guest_lc(vcpu, PFAULT_INIT, (u16 *) __LC_EXT_CPU_ADDR);
|
||||
rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= put_guest_lc(vcpu, inti->ext.ext_params2,
|
||||
(u64 *) __LC_EXT_PARAMS2);
|
||||
rc = __deliver_pfault_init(vcpu, inti);
|
||||
break;
|
||||
case KVM_S390_INT_PFAULT_DONE:
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type, 0,
|
||||
inti->ext.ext_params2);
|
||||
rc = put_guest_lc(vcpu, 0x2603, (u16 *)__LC_EXT_INT_CODE);
|
||||
rc |= put_guest_lc(vcpu, PFAULT_DONE, (u16 *)__LC_EXT_CPU_ADDR);
|
||||
rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= put_guest_lc(vcpu, inti->ext.ext_params2,
|
||||
(u64 *)__LC_EXT_PARAMS2);
|
||||
rc = __deliver_pfault_done(vcpu, inti);
|
||||
break;
|
||||
case KVM_S390_INT_VIRTIO:
|
||||
VCPU_EVENT(vcpu, 4, "interrupt: virtio parm:%x,parm64:%llx",
|
||||
inti->ext.ext_params, inti->ext.ext_params2);
|
||||
vcpu->stat.deliver_virtio_interrupt++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
inti->ext.ext_params,
|
||||
inti->ext.ext_params2);
|
||||
rc = put_guest_lc(vcpu, 0x2603, (u16 *)__LC_EXT_INT_CODE);
|
||||
rc |= put_guest_lc(vcpu, VIRTIO_PARAM, (u16 *)__LC_EXT_CPU_ADDR);
|
||||
rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= put_guest_lc(vcpu, inti->ext.ext_params,
|
||||
(u32 *)__LC_EXT_PARAMS);
|
||||
rc |= put_guest_lc(vcpu, inti->ext.ext_params2,
|
||||
(u64 *)__LC_EXT_PARAMS2);
|
||||
rc = __deliver_virtio(vcpu, inti);
|
||||
break;
|
||||
case KVM_S390_SIGP_STOP:
|
||||
VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu stop");
|
||||
vcpu->stat.deliver_stop_signal++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
0, 0);
|
||||
__set_intercept_indicator(vcpu, inti);
|
||||
rc = __deliver_stop(vcpu);
|
||||
break;
|
||||
|
||||
case KVM_S390_SIGP_SET_PREFIX:
|
||||
VCPU_EVENT(vcpu, 4, "interrupt: set prefix to %x",
|
||||
inti->prefix.address);
|
||||
vcpu->stat.deliver_prefix_signal++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
inti->prefix.address, 0);
|
||||
kvm_s390_set_prefix(vcpu, inti->prefix.address);
|
||||
rc = __deliver_set_prefix(vcpu, inti);
|
||||
break;
|
||||
|
||||
case KVM_S390_RESTART:
|
||||
VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu restart");
|
||||
vcpu->stat.deliver_restart_signal++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
0, 0);
|
||||
rc = write_guest_lc(vcpu,
|
||||
offsetof(struct _lowcore, restart_old_psw),
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, offsetof(struct _lowcore, restart_psw),
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc = __deliver_restart(vcpu);
|
||||
break;
|
||||
case KVM_S390_PROGRAM_INT:
|
||||
VCPU_EVENT(vcpu, 4, "interrupt: pgm check code:%x, ilc:%x",
|
||||
inti->pgm.code,
|
||||
table[vcpu->arch.sie_block->ipa >> 14]);
|
||||
vcpu->stat.deliver_program_int++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
inti->pgm.code, 0);
|
||||
rc = __deliver_prog_irq(vcpu, &inti->pgm);
|
||||
rc = __deliver_prog(vcpu, inti);
|
||||
break;
|
||||
|
||||
case KVM_S390_MCHK:
|
||||
VCPU_EVENT(vcpu, 4, "interrupt: machine check mcic=%llx",
|
||||
inti->mchk.mcic);
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
inti->mchk.cr14,
|
||||
inti->mchk.mcic);
|
||||
rc = kvm_s390_vcpu_store_status(vcpu,
|
||||
KVM_S390_STORE_STATUS_PREFIXED);
|
||||
rc |= put_guest_lc(vcpu, inti->mchk.mcic, (u64 *)__LC_MCCK_CODE);
|
||||
rc |= write_guest_lc(vcpu, __LC_MCK_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_MCK_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc = __deliver_machine_check(vcpu, inti);
|
||||
break;
|
||||
|
||||
case KVM_S390_INT_IO_MIN...KVM_S390_INT_IO_MAX:
|
||||
{
|
||||
__u32 param0 = ((__u32)inti->io.subchannel_id << 16) |
|
||||
inti->io.subchannel_nr;
|
||||
__u64 param1 = ((__u64)inti->io.io_int_parm << 32) |
|
||||
inti->io.io_int_word;
|
||||
VCPU_EVENT(vcpu, 4, "interrupt: I/O %llx", inti->type);
|
||||
vcpu->stat.deliver_io_int++;
|
||||
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
|
||||
param0, param1);
|
||||
rc = put_guest_lc(vcpu, inti->io.subchannel_id,
|
||||
(u16 *)__LC_SUBCHANNEL_ID);
|
||||
rc |= put_guest_lc(vcpu, inti->io.subchannel_nr,
|
||||
(u16 *)__LC_SUBCHANNEL_NR);
|
||||
rc |= put_guest_lc(vcpu, inti->io.io_int_parm,
|
||||
(u32 *)__LC_IO_INT_PARM);
|
||||
rc |= put_guest_lc(vcpu, inti->io.io_int_word,
|
||||
(u32 *)__LC_IO_INT_WORD);
|
||||
rc |= write_guest_lc(vcpu, __LC_IO_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_IO_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
rc = __deliver_io(vcpu, inti);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
BUG();
|
||||
}
|
||||
|
|
@ -509,19 +627,6 @@ static int __must_check __do_deliver_interrupt(struct kvm_vcpu *vcpu,
|
|||
return rc;
|
||||
}
|
||||
|
||||
static int __must_check deliver_ckc_interrupt(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
int rc;
|
||||
|
||||
rc = put_guest_lc(vcpu, 0x1004, (u16 __user *)__LC_EXT_INT_CODE);
|
||||
rc |= write_guest_lc(vcpu, __LC_EXT_OLD_PSW,
|
||||
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
|
||||
rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW,
|
||||
&vcpu->arch.sie_block->gpsw,
|
||||
sizeof(psw_t));
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* Check whether SIGP interpretation facility has an external call pending */
|
||||
int kvm_s390_si_ext_call_pending(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
|
@ -691,7 +796,7 @@ int __must_check kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu)
|
|||
}
|
||||
|
||||
if (!rc && kvm_cpu_has_pending_timer(vcpu))
|
||||
rc = deliver_ckc_interrupt(vcpu);
|
||||
rc = __deliver_ckc(vcpu);
|
||||
|
||||
if (!rc && atomic_read(&fi->active)) {
|
||||
do {
|
||||
|
|
|
|||
Loading…
Reference in a new issue