Lines Matching +full:class +full:- +full:dg
1 // SPDX-License-Identifier: GPL-2.0
10 #define KMSG_COMPONENT "kvm-s390"
22 #include <asm/asm-offsets.h>
31 #include "kvm-s390.h"
33 #include "trace-s390.h"
50 read_lock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
51 if (vcpu->kvm->arch.use_esca) { in sca_ext_call_pending()
52 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
54 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
59 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
61 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
66 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
79 read_lock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
80 if (vcpu->kvm->arch.use_esca) { in sca_inject_ext_call()
81 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
83 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
92 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
94 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
96 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
105 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
107 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
111 return -EBUSY; in sca_inject_ext_call()
124 read_lock(&vcpu->kvm->arch.sca_lock); in sca_clear_ext_call()
125 if (vcpu->kvm->arch.use_esca) { in sca_clear_ext_call()
126 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
128 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_clear_ext_call()
133 rc = cmpxchg(&sigp_ctrl->value, old.value, 0); in sca_clear_ext_call()
135 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
137 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_clear_ext_call()
142 rc = cmpxchg(&sigp_ctrl->value, old.value, 0); in sca_clear_ext_call()
144 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_clear_ext_call()
150 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT); in psw_extint_disabled()
155 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_IO); in psw_ioint_disabled()
160 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_MCHECK); in psw_mchk_disabled()
173 !(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in ckc_interrupts_enabled()
183 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in ckc_irq_pending()
184 const u64 ckc = vcpu->arch.sie_block->ckc; in ckc_irq_pending()
186 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in ckc_irq_pending()
198 (vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK); in cpu_timer_interrupts_enabled()
232 * gisa_set_iam - change the GISA interruption alert mask
242 * -EBUSY in case the gisa is part of the alert list
249 word = READ_ONCE(gisa->u64.word[0]); in gisa_set_iam()
251 return -EBUSY; in gisa_set_iam()
253 } while (cmpxchg(&gisa->u64.word[0], word, _word) != word); in gisa_set_iam()
259 * gisa_clear_ipm - clear the GISA interruption pending mask
272 word = READ_ONCE(gisa->u64.word[0]); in gisa_clear_ipm()
274 } while (cmpxchg(&gisa->u64.word[0], word, _word) != word); in gisa_clear_ipm()
278 * gisa_get_ipm_or_restore_iam - return IPM or restore GISA IAM
293 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
294 alert_mask = READ_ONCE(gi->alert.mask); in gisa_get_ipm_or_restore_iam()
299 } while (cmpxchg(&gi->origin->u64.word[0], word, _word) != word); in gisa_get_ipm_or_restore_iam()
306 return READ_ONCE(gisa->next_alert) != (u32)(u64)gisa; in gisa_in_alert_list()
316 return READ_ONCE(gisa->ipm); in gisa_get_ipm()
331 unsigned long pending = vcpu->kvm->arch.float_int.pending_irqs | in pending_irqs_no_gisa()
332 vcpu->arch.local_int.pending_irqs; in pending_irqs_no_gisa()
334 pending &= ~vcpu->kvm->arch.float_int.masked_irqs; in pending_irqs_no_gisa()
340 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in pending_irqs()
344 if (gi->origin) in pending_irqs()
345 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
351 return IRQ_PEND_IO_ISC_0 - isc; in isc_to_irq_type()
356 return IRQ_PEND_IO_ISC_0 - irq_type; in irq_type_to_isc()
365 if (!(vcpu->arch.sie_block->gcr[6] & isc_to_isc_bits(i))) in disable_iscs()
385 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in deliverable_irqs()
387 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EMERGENCY_SIGNAL_SUBMASK)) in deliverable_irqs()
389 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in deliverable_irqs()
391 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK)) in deliverable_irqs()
393 if (!(vcpu->arch.sie_block->gcr[0] & CR0_SERVICE_SIGNAL_SUBMASK)) { in deliverable_irqs()
401 vcpu->arch.sie_block->iictl != IICTL_CODE_NONE) in deliverable_irqs()
409 if (!(vcpu->arch.sie_block->gcr[14] & in deliverable_irqs()
410 (vcpu->kvm->arch.float_int.mchk.cr14 | in deliverable_irqs()
411 vcpu->arch.local_int.irq.mchk.cr14))) in deliverable_irqs()
426 set_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask); in __set_cpu_idle()
432 clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask); in __unset_cpu_idle()
439 vcpu->arch.sie_block->lctl = 0x0000; in __reset_intercept_indicators()
440 vcpu->arch.sie_block->ictl &= ~(ICTL_LPSW | ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
443 vcpu->arch.sie_block->lctl |= (LCTL_CR0 | LCTL_CR9 | in __reset_intercept_indicators()
445 vcpu->arch.sie_block->ictl |= (ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
456 vcpu->arch.sie_block->lctl |= LCTL_CR6; in set_intercept_indicators_io()
466 vcpu->arch.sie_block->lctl |= LCTL_CR0; in set_intercept_indicators_ext()
474 vcpu->arch.sie_block->ictl |= ICTL_LPSW; in set_intercept_indicators_mchk()
476 vcpu->arch.sie_block->lctl |= LCTL_CR14; in set_intercept_indicators_mchk()
485 /* Set interception request for non-deliverable interrupts */
496 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_cpu_timer()
499 vcpu->stat.deliver_cputm++; in __deliver_cpu_timer()
500 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __deliver_cpu_timer()
503 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_cpu_timer()
504 vcpu->arch.sie_block->eic = EXT_IRQ_CPU_TIMER; in __deliver_cpu_timer()
510 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
512 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
514 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __deliver_cpu_timer()
515 return rc ? -EFAULT : 0; in __deliver_cpu_timer()
520 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_ckc()
523 vcpu->stat.deliver_ckc++; in __deliver_ckc()
524 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __deliver_ckc()
527 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_ckc()
528 vcpu->arch.sie_block->eic = EXT_IRQ_CLK_COMP; in __deliver_ckc()
534 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
536 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
538 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __deliver_ckc()
539 return rc ? -EFAULT : 0; in __deliver_ckc()
544 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_pfault_init()
548 spin_lock(&li->lock); in __deliver_pfault_init()
549 ext = li->irq.ext; in __deliver_pfault_init()
550 clear_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __deliver_pfault_init()
551 li->irq.ext.ext_params2 = 0; in __deliver_pfault_init()
552 spin_unlock(&li->lock); in __deliver_pfault_init()
556 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_init()
563 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
565 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
567 return rc ? -EFAULT : 0; in __deliver_pfault_init()
586 vcpu->arch.sie_block->iictl = IICTL_CODE_MCHK; in __write_machine_check()
587 vcpu->arch.sie_block->mcic = mchk->mcic; in __write_machine_check()
588 vcpu->arch.sie_block->faddr = mchk->failing_storage_address; in __write_machine_check()
589 vcpu->arch.sie_block->edc = mchk->ext_damage_code; in __write_machine_check()
593 mci.val = mchk->mcic; in __write_machine_check()
596 save_access_regs(vcpu->run->s.regs.acrs); in __write_machine_check()
597 if (MACHINE_HAS_GS && vcpu->arch.gs_enabled) in __write_machine_check()
598 save_gs_cb(current->thread.gs_cb); in __write_machine_check()
603 /* Only bits 0 through 63-LC are used for address formation */ in __write_machine_check()
605 if (test_kvm_facility(vcpu->kvm, 133)) { in __write_machine_check()
625 if (!rc && mci.vr && ext_sa_addr && test_kvm_facility(vcpu->kvm, 129)) { in __write_machine_check()
626 if (write_guest_abs(vcpu, ext_sa_addr, vcpu->run->s.regs.vrs, in __write_machine_check()
632 if (!rc && mci.gs && ext_sa_addr && test_kvm_facility(vcpu->kvm, 133) in __write_machine_check()
635 &vcpu->run->s.regs.gscb, 32)) in __write_machine_check()
644 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
646 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
649 /* Register-save areas */ in __write_machine_check()
651 convert_vx_to_fp(fprs, (__vector128 *) vcpu->run->s.regs.vrs); in __write_machine_check()
655 vcpu->run->s.regs.fprs, 128); in __write_machine_check()
658 vcpu->run->s.regs.gprs, 128); in __write_machine_check()
659 rc |= put_guest_lc(vcpu, current->thread.fpu.fpc, in __write_machine_check()
661 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->todpr, in __write_machine_check()
665 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->ckc >> 8, in __write_machine_check()
668 &vcpu->run->s.regs.acrs, 64); in __write_machine_check()
670 &vcpu->arch.sie_block->gcr, 128); in __write_machine_check()
673 rc |= put_guest_lc(vcpu, mchk->ext_damage_code, in __write_machine_check()
675 rc |= put_guest_lc(vcpu, mchk->failing_storage_address, in __write_machine_check()
677 rc |= write_guest_lc(vcpu, __LC_PSW_SAVE_AREA, &mchk->fixed_logout, in __write_machine_check()
678 sizeof(mchk->fixed_logout)); in __write_machine_check()
679 return rc ? -EFAULT : 0; in __write_machine_check()
684 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_machine_check()
685 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_machine_check()
690 spin_lock(&fi->lock); in __deliver_machine_check()
691 spin_lock(&li->lock); in __deliver_machine_check()
692 if (test_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs) || in __deliver_machine_check()
693 test_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs)) { in __deliver_machine_check()
700 mchk = li->irq.mchk; in __deliver_machine_check()
701 clear_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __deliver_machine_check()
702 clear_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __deliver_machine_check()
703 memset(&li->irq.mchk, 0, sizeof(mchk)); in __deliver_machine_check()
712 if (test_and_clear_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in __deliver_machine_check()
713 mchk.mcic |= fi->mchk.mcic; in __deliver_machine_check()
714 mchk.cr14 |= fi->mchk.cr14; in __deliver_machine_check()
715 memset(&fi->mchk, 0, sizeof(mchk)); in __deliver_machine_check()
718 spin_unlock(&li->lock); in __deliver_machine_check()
719 spin_unlock(&fi->lock); in __deliver_machine_check()
724 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_machine_check()
727 vcpu->stat.deliver_machine_check++; in __deliver_machine_check()
735 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_restart()
739 vcpu->stat.deliver_restart_signal++; in __deliver_restart()
740 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __deliver_restart()
743 vcpu->arch.sie_block->iictl = IICTL_CODE_RESTART; in __deliver_restart()
747 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
749 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
751 clear_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __deliver_restart()
752 return rc ? -EFAULT : 0; in __deliver_restart()
757 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_set_prefix()
760 spin_lock(&li->lock); in __deliver_set_prefix()
761 prefix = li->irq.prefix; in __deliver_set_prefix()
762 li->irq.prefix.address = 0; in __deliver_set_prefix()
763 clear_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __deliver_set_prefix()
764 spin_unlock(&li->lock); in __deliver_set_prefix()
766 vcpu->stat.deliver_prefix_signal++; in __deliver_set_prefix()
767 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_set_prefix()
777 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_emergency_signal()
781 spin_lock(&li->lock); in __deliver_emergency_signal()
782 cpu_addr = find_first_bit(li->sigp_emerg_pending, KVM_MAX_VCPUS); in __deliver_emergency_signal()
783 clear_bit(cpu_addr, li->sigp_emerg_pending); in __deliver_emergency_signal()
784 if (bitmap_empty(li->sigp_emerg_pending, KVM_MAX_VCPUS)) in __deliver_emergency_signal()
785 clear_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __deliver_emergency_signal()
786 spin_unlock(&li->lock); in __deliver_emergency_signal()
789 vcpu->stat.deliver_emergency_signal++; in __deliver_emergency_signal()
790 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __deliver_emergency_signal()
793 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_emergency_signal()
794 vcpu->arch.sie_block->eic = EXT_IRQ_EMERGENCY_SIG; in __deliver_emergency_signal()
795 vcpu->arch.sie_block->extcpuaddr = cpu_addr; in __deliver_emergency_signal()
803 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
805 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
806 return rc ? -EFAULT : 0; in __deliver_emergency_signal()
811 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_external_call()
815 spin_lock(&li->lock); in __deliver_external_call()
816 extcall = li->irq.extcall; in __deliver_external_call()
817 li->irq.extcall.code = 0; in __deliver_external_call()
818 clear_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in __deliver_external_call()
819 spin_unlock(&li->lock); in __deliver_external_call()
822 vcpu->stat.deliver_external_call++; in __deliver_external_call()
823 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_external_call()
827 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_external_call()
828 vcpu->arch.sie_block->eic = EXT_IRQ_EXTERNAL_CALL; in __deliver_external_call()
829 vcpu->arch.sie_block->extcpuaddr = extcall.code; in __deliver_external_call()
837 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_external_call()
838 rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, in __deliver_external_call()
840 return rc ? -EFAULT : 0; in __deliver_external_call()
847 vcpu->arch.sie_block->iictl = IICTL_CODE_SPECIFICATION; in __deliver_prog_pv()
850 vcpu->arch.sie_block->iictl = IICTL_CODE_OPERAND; in __deliver_prog_pv()
853 return -EINVAL; in __deliver_prog_pv()
860 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_prog()
865 spin_lock(&li->lock); in __deliver_prog()
866 pgm_info = li->irq.pgm; in __deliver_prog()
867 clear_bit(IRQ_PEND_PROG, &li->pending_irqs); in __deliver_prog()
868 memset(&li->irq.pgm, 0, sizeof(pgm_info)); in __deliver_prog()
869 spin_unlock(&li->lock); in __deliver_prog()
874 vcpu->stat.deliver_program++; in __deliver_prog()
875 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __deliver_prog()
966 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->gbea, in __deliver_prog()
971 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
973 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
974 return rc ? -EFAULT : 0; in __deliver_prog()
985 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in write_sclp()
986 vcpu->arch.sie_block->eic = EXT_IRQ_SERVICE_SIG; in write_sclp()
987 vcpu->arch.sie_block->eiparams = parm; in write_sclp()
994 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
996 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
1000 return rc ? -EFAULT : 0; in write_sclp()
1005 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service()
1008 spin_lock(&fi->lock); in __deliver_service()
1009 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs) || in __deliver_service()
1010 !(test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs))) { in __deliver_service()
1011 spin_unlock(&fi->lock); in __deliver_service()
1014 ext = fi->srv_signal; in __deliver_service()
1015 memset(&fi->srv_signal, 0, sizeof(ext)); in __deliver_service()
1016 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __deliver_service()
1017 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service()
1019 set_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in __deliver_service()
1020 spin_unlock(&fi->lock); in __deliver_service()
1024 vcpu->stat.deliver_service_signal++; in __deliver_service()
1025 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service()
1033 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service_ev()
1036 spin_lock(&fi->lock); in __deliver_service_ev()
1037 if (!(test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs))) { in __deliver_service_ev()
1038 spin_unlock(&fi->lock); in __deliver_service_ev()
1041 ext = fi->srv_signal; in __deliver_service_ev()
1043 fi->srv_signal.ext_params &= ~SCCB_EVENT_PENDING; in __deliver_service_ev()
1044 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service_ev()
1045 spin_unlock(&fi->lock); in __deliver_service_ev()
1048 vcpu->stat.deliver_service_signal++; in __deliver_service_ev()
1049 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service_ev()
1057 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_pfault_done()
1061 spin_lock(&fi->lock); in __deliver_pfault_done()
1062 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_PFAULT], in __deliver_pfault_done()
1066 list_del(&inti->list); in __deliver_pfault_done()
1067 fi->counters[FIRQ_CNTR_PFAULT] -= 1; in __deliver_pfault_done()
1069 if (list_empty(&fi->lists[FIRQ_LIST_PFAULT])) in __deliver_pfault_done()
1070 clear_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __deliver_pfault_done()
1071 spin_unlock(&fi->lock); in __deliver_pfault_done()
1074 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_done()
1076 inti->ext.ext_params2); in __deliver_pfault_done()
1078 inti->ext.ext_params2); in __deliver_pfault_done()
1085 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1088 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1090 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_pfault_done()
1094 return rc ? -EFAULT : 0; in __deliver_pfault_done()
1099 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_virtio()
1103 spin_lock(&fi->lock); in __deliver_virtio()
1104 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_VIRTIO], in __deliver_virtio()
1110 inti->ext.ext_params, inti->ext.ext_params2); in __deliver_virtio()
1111 vcpu->stat.deliver_virtio++; in __deliver_virtio()
1112 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_virtio()
1113 inti->type, in __deliver_virtio()
1114 inti->ext.ext_params, in __deliver_virtio()
1115 inti->ext.ext_params2); in __deliver_virtio()
1116 list_del(&inti->list); in __deliver_virtio()
1117 fi->counters[FIRQ_CNTR_VIRTIO] -= 1; in __deliver_virtio()
1119 if (list_empty(&fi->lists[FIRQ_LIST_VIRTIO])) in __deliver_virtio()
1120 clear_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __deliver_virtio()
1121 spin_unlock(&fi->lock); in __deliver_virtio()
1129 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1132 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1134 rc |= put_guest_lc(vcpu, inti->ext.ext_params, in __deliver_virtio()
1136 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_virtio()
1140 return rc ? -EFAULT : 0; in __deliver_virtio()
1148 vcpu->arch.sie_block->iictl = IICTL_CODE_IO; in __do_deliver_io()
1149 vcpu->arch.sie_block->subchannel_id = io->subchannel_id; in __do_deliver_io()
1150 vcpu->arch.sie_block->subchannel_nr = io->subchannel_nr; in __do_deliver_io()
1151 vcpu->arch.sie_block->io_int_parm = io->io_int_parm; in __do_deliver_io()
1152 vcpu->arch.sie_block->io_int_word = io->io_int_word; in __do_deliver_io()
1156 rc = put_guest_lc(vcpu, io->subchannel_id, (u16 *)__LC_SUBCHANNEL_ID); in __do_deliver_io()
1157 rc |= put_guest_lc(vcpu, io->subchannel_nr, (u16 *)__LC_SUBCHANNEL_NR); in __do_deliver_io()
1158 rc |= put_guest_lc(vcpu, io->io_int_parm, (u32 *)__LC_IO_INT_PARM); in __do_deliver_io()
1159 rc |= put_guest_lc(vcpu, io->io_int_word, (u32 *)__LC_IO_INT_WORD); in __do_deliver_io()
1161 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1164 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1166 return rc ? -EFAULT : 0; in __do_deliver_io()
1174 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in __deliver_io()
1180 fi = &vcpu->kvm->arch.float_int; in __deliver_io()
1182 spin_lock(&fi->lock); in __deliver_io()
1184 isc_list = &fi->lists[isc]; in __deliver_io()
1189 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __deliver_io()
1193 inti->io.subchannel_id >> 8, in __deliver_io()
1194 inti->io.subchannel_id >> 1 & 0x3, in __deliver_io()
1195 inti->io.subchannel_nr); in __deliver_io()
1197 vcpu->stat.deliver_io++; in __deliver_io()
1198 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1199 inti->type, in __deliver_io()
1200 ((__u32)inti->io.subchannel_id << 16) | in __deliver_io()
1201 inti->io.subchannel_nr, in __deliver_io()
1202 ((__u64)inti->io.io_int_parm << 32) | in __deliver_io()
1203 inti->io.io_int_word); in __deliver_io()
1204 list_del(&inti->list); in __deliver_io()
1205 fi->counters[FIRQ_CNTR_IO] -= 1; in __deliver_io()
1208 clear_bit(irq_type, &fi->pending_irqs); in __deliver_io()
1209 spin_unlock(&fi->lock); in __deliver_io()
1212 rc = __do_deliver_io(vcpu, &(inti->io)); in __deliver_io()
1217 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1225 vcpu->stat.deliver_io++; in __deliver_io()
1226 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1241 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_ext_call_pending()
1244 return test_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in kvm_s390_ext_call_pending()
1260 (vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in kvm_s390_vcpu_has_irq()
1275 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in __calculate_sltime()
1276 const u64 ckc = vcpu->arch.sie_block->ckc; in __calculate_sltime()
1280 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in __calculate_sltime()
1282 sltime = tod_to_ns((s64)ckc - (s64)now); in __calculate_sltime()
1284 sltime = tod_to_ns(ckc - now); in __calculate_sltime()
1307 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in kvm_s390_handle_wait()
1310 vcpu->stat.exit_wait_state++; in kvm_s390_handle_wait()
1318 return -EOPNOTSUPP; /* disabled wait */ in kvm_s390_handle_wait()
1321 if (gi->origin && in kvm_s390_handle_wait()
1323 vcpu->arch.sie_block->gcr[6] >> 24)) in kvm_s390_handle_wait()
1338 hrtimer_start(&vcpu->arch.ckc_timer, sltime, HRTIMER_MODE_REL); in kvm_s390_handle_wait()
1341 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in kvm_s390_handle_wait()
1344 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_s390_handle_wait()
1346 hrtimer_cancel(&vcpu->arch.ckc_timer); in kvm_s390_handle_wait()
1352 vcpu->valid_wakeup = true; in kvm_s390_vcpu_wakeup()
1382 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_local_irqs()
1384 spin_lock(&li->lock); in kvm_s390_clear_local_irqs()
1385 li->pending_irqs = 0; in kvm_s390_clear_local_irqs()
1386 bitmap_zero(li->sigp_emerg_pending, KVM_MAX_VCPUS); in kvm_s390_clear_local_irqs()
1387 memset(&li->irq, 0, sizeof(li->irq)); in kvm_s390_clear_local_irqs()
1388 spin_unlock(&li->lock); in kvm_s390_clear_local_irqs()
1395 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_deliver_pending_interrupts()
1403 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1405 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1408 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1410 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1468 clear_bit(irq_type, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1479 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_prog()
1481 vcpu->stat.inject_program++; in __inject_prog()
1482 VCPU_EVENT(vcpu, 3, "inject: program irq code 0x%x", irq->u.pgm.code); in __inject_prog()
1483 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __inject_prog()
1484 irq->u.pgm.code, 0); in __inject_prog()
1486 if (!(irq->u.pgm.flags & KVM_S390_PGM_FLAGS_ILC_VALID)) { in __inject_prog()
1488 irq->u.pgm.flags &= ~KVM_S390_PGM_FLAGS_ILC_MASK; in __inject_prog()
1489 irq->u.pgm.flags |= kvm_s390_get_ilen(vcpu); in __inject_prog()
1490 irq->u.pgm.flags |= KVM_S390_PGM_FLAGS_ILC_VALID; in __inject_prog()
1493 if (irq->u.pgm.code == PGM_PER) { in __inject_prog()
1494 li->irq.pgm.code |= PGM_PER; in __inject_prog()
1495 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1497 li->irq.pgm.per_address = irq->u.pgm.per_address; in __inject_prog()
1498 li->irq.pgm.per_code = irq->u.pgm.per_code; in __inject_prog()
1499 li->irq.pgm.per_atmid = irq->u.pgm.per_atmid; in __inject_prog()
1500 li->irq.pgm.per_access_id = irq->u.pgm.per_access_id; in __inject_prog()
1501 } else if (!(irq->u.pgm.code & PGM_PER)) { in __inject_prog()
1502 li->irq.pgm.code = (li->irq.pgm.code & PGM_PER) | in __inject_prog()
1503 irq->u.pgm.code; in __inject_prog()
1504 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1505 /* only modify non-PER information */ in __inject_prog()
1506 li->irq.pgm.trans_exc_code = irq->u.pgm.trans_exc_code; in __inject_prog()
1507 li->irq.pgm.mon_code = irq->u.pgm.mon_code; in __inject_prog()
1508 li->irq.pgm.data_exc_code = irq->u.pgm.data_exc_code; in __inject_prog()
1509 li->irq.pgm.mon_class_nr = irq->u.pgm.mon_class_nr; in __inject_prog()
1510 li->irq.pgm.exc_access_id = irq->u.pgm.exc_access_id; in __inject_prog()
1511 li->irq.pgm.op_access_id = irq->u.pgm.op_access_id; in __inject_prog()
1513 li->irq.pgm = irq->u.pgm; in __inject_prog()
1515 set_bit(IRQ_PEND_PROG, &li->pending_irqs); in __inject_prog()
1521 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_pfault_init()
1523 vcpu->stat.inject_pfault_init++; in __inject_pfault_init()
1525 irq->u.ext.ext_params2); in __inject_pfault_init()
1526 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_PFAULT_INIT, in __inject_pfault_init()
1527 irq->u.ext.ext_params, in __inject_pfault_init()
1528 irq->u.ext.ext_params2); in __inject_pfault_init()
1530 li->irq.ext = irq->u.ext; in __inject_pfault_init()
1531 set_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __inject_pfault_init()
1538 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_extcall()
1539 struct kvm_s390_extcall_info *extcall = &li->irq.extcall; in __inject_extcall()
1540 uint16_t src_id = irq->u.extcall.code; in __inject_extcall()
1542 vcpu->stat.inject_external_call++; in __inject_extcall()
1543 VCPU_EVENT(vcpu, 4, "inject: external call source-cpu:%u", in __inject_extcall()
1545 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EXTERNAL_CALL, in __inject_extcall()
1549 if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL) in __inject_extcall()
1550 return -EINVAL; in __inject_extcall()
1555 if (test_and_set_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs)) in __inject_extcall()
1556 return -EBUSY; in __inject_extcall()
1557 *extcall = irq->u.extcall; in __inject_extcall()
1564 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_set_prefix()
1565 struct kvm_s390_prefix_info *prefix = &li->irq.prefix; in __inject_set_prefix()
1567 vcpu->stat.inject_set_prefix++; in __inject_set_prefix()
1569 irq->u.prefix.address); in __inject_set_prefix()
1570 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_SET_PREFIX, in __inject_set_prefix()
1571 irq->u.prefix.address, 0); in __inject_set_prefix()
1574 return -EBUSY; in __inject_set_prefix()
1576 *prefix = irq->u.prefix; in __inject_set_prefix()
1577 set_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __inject_set_prefix()
1584 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_stop()
1585 struct kvm_s390_stop_info *stop = &li->irq.stop; in __inject_sigp_stop()
1588 vcpu->stat.inject_stop_signal++; in __inject_sigp_stop()
1589 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_STOP, 0, 0); in __inject_sigp_stop()
1591 if (irq->u.stop.flags & ~KVM_S390_STOP_SUPP_FLAGS) in __inject_sigp_stop()
1592 return -EINVAL; in __inject_sigp_stop()
1595 if (irq->u.stop.flags & KVM_S390_STOP_FLAG_STORE_STATUS) in __inject_sigp_stop()
1601 if (test_and_set_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs)) in __inject_sigp_stop()
1602 return -EBUSY; in __inject_sigp_stop()
1603 stop->flags = irq->u.stop.flags; in __inject_sigp_stop()
1610 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_restart()
1612 vcpu->stat.inject_restart++; in __inject_sigp_restart()
1614 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __inject_sigp_restart()
1616 set_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __inject_sigp_restart()
1623 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_emergency()
1625 vcpu->stat.inject_emergency_signal++; in __inject_sigp_emergency()
1627 irq->u.emerg.code); in __inject_sigp_emergency()
1628 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __inject_sigp_emergency()
1629 irq->u.emerg.code, 0); in __inject_sigp_emergency()
1632 if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL) in __inject_sigp_emergency()
1633 return -EINVAL; in __inject_sigp_emergency()
1635 set_bit(irq->u.emerg.code, li->sigp_emerg_pending); in __inject_sigp_emergency()
1636 set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __inject_sigp_emergency()
1643 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_mchk()
1644 struct kvm_s390_mchk_info *mchk = &li->irq.mchk; in __inject_mchk()
1646 vcpu->stat.inject_mchk++; in __inject_mchk()
1648 irq->u.mchk.mcic); in __inject_mchk()
1649 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_MCHK, 0, in __inject_mchk()
1650 irq->u.mchk.mcic); in __inject_mchk()
1660 mchk->cr14 |= irq->u.mchk.cr14; in __inject_mchk()
1661 mchk->mcic |= irq->u.mchk.mcic; in __inject_mchk()
1662 mchk->ext_damage_code |= irq->u.mchk.ext_damage_code; in __inject_mchk()
1663 mchk->failing_storage_address = irq->u.mchk.failing_storage_address; in __inject_mchk()
1664 memcpy(&mchk->fixed_logout, &irq->u.mchk.fixed_logout, in __inject_mchk()
1665 sizeof(mchk->fixed_logout)); in __inject_mchk()
1666 if (mchk->mcic & MCHK_EX_MASK) in __inject_mchk()
1667 set_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __inject_mchk()
1668 else if (mchk->mcic & MCHK_REP_MASK) in __inject_mchk()
1669 set_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __inject_mchk()
1675 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_ckc()
1677 vcpu->stat.inject_ckc++; in __inject_ckc()
1679 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __inject_ckc()
1682 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __inject_ckc()
1689 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_cpu_timer()
1691 vcpu->stat.inject_cputm++; in __inject_cpu_timer()
1693 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __inject_cpu_timer()
1696 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __inject_cpu_timer()
1704 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in get_io_int()
1705 struct list_head *isc_list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in get_io_int()
1710 spin_lock(&fi->lock); in get_io_int()
1712 if (schid && (id != iter->io.subchannel_id || in get_io_int()
1713 nr != iter->io.subchannel_nr)) in get_io_int()
1716 list_del_init(&iter->list); in get_io_int()
1717 fi->counters[FIRQ_CNTR_IO] -= 1; in get_io_int()
1719 clear_bit(isc_to_irq_type(isc), &fi->pending_irqs); in get_io_int()
1720 spin_unlock(&fi->lock); in get_io_int()
1723 spin_unlock(&fi->lock); in get_io_int()
1742 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_top_gisa_isc()
1748 if (!gi->origin) in get_top_gisa_isc()
1751 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1753 isc = __fls(active_mask) ^ (BITS_PER_LONG - 1); in get_top_gisa_isc()
1754 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1759 return -EINVAL; in get_top_gisa_isc()
1777 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_get_io_int()
1793 if (int_word_to_isc(inti->io.io_int_word) <= isc) { in kvm_s390_get_io_int()
1795 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1801 tmp_inti->type = KVM_S390_INT_IO(1, 0, 0, 0); in kvm_s390_get_io_int()
1802 tmp_inti->io.io_int_word = isc_to_int_word(isc); in kvm_s390_get_io_int()
1807 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1815 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_service()
1817 kvm->stat.inject_service_signal++; in __inject_service()
1818 spin_lock(&fi->lock); in __inject_service()
1819 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_EVENT_PENDING; in __inject_service()
1822 if (fi->srv_signal.ext_params & SCCB_EVENT_PENDING) in __inject_service()
1823 set_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __inject_service()
1833 if (fi->srv_signal.ext_params & SCCB_MASK) in __inject_service()
1835 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_MASK; in __inject_service()
1836 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __inject_service()
1838 spin_unlock(&fi->lock); in __inject_service()
1846 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_virtio()
1848 kvm->stat.inject_virtio++; in __inject_virtio()
1849 spin_lock(&fi->lock); in __inject_virtio()
1850 if (fi->counters[FIRQ_CNTR_VIRTIO] >= KVM_S390_MAX_VIRTIO_IRQS) { in __inject_virtio()
1851 spin_unlock(&fi->lock); in __inject_virtio()
1852 return -EBUSY; in __inject_virtio()
1854 fi->counters[FIRQ_CNTR_VIRTIO] += 1; in __inject_virtio()
1855 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_VIRTIO]); in __inject_virtio()
1856 set_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __inject_virtio()
1857 spin_unlock(&fi->lock); in __inject_virtio()
1864 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_pfault_done()
1866 kvm->stat.inject_pfault_done++; in __inject_pfault_done()
1867 spin_lock(&fi->lock); in __inject_pfault_done()
1868 if (fi->counters[FIRQ_CNTR_PFAULT] >= in __inject_pfault_done()
1870 spin_unlock(&fi->lock); in __inject_pfault_done()
1871 return -EBUSY; in __inject_pfault_done()
1873 fi->counters[FIRQ_CNTR_PFAULT] += 1; in __inject_pfault_done()
1874 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_PFAULT]); in __inject_pfault_done()
1875 set_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __inject_pfault_done()
1876 spin_unlock(&fi->lock); in __inject_pfault_done()
1884 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_float_mchk()
1886 kvm->stat.inject_float_mchk++; in __inject_float_mchk()
1887 spin_lock(&fi->lock); in __inject_float_mchk()
1888 fi->mchk.cr14 |= inti->mchk.cr14 & (1UL << CR_PENDING_SUBCLASS); in __inject_float_mchk()
1889 fi->mchk.mcic |= inti->mchk.mcic; in __inject_float_mchk()
1890 set_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs); in __inject_float_mchk()
1891 spin_unlock(&fi->lock); in __inject_float_mchk()
1898 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __inject_io()
1903 kvm->stat.inject_io++; in __inject_io()
1904 isc = int_word_to_isc(inti->io.io_int_word); in __inject_io()
1913 gi->origin && inti->type & KVM_S390_INT_IO_AI_MASK) { in __inject_io()
1915 gisa_set_ipm_gisc(gi->origin, isc); in __inject_io()
1920 fi = &kvm->arch.float_int; in __inject_io()
1921 spin_lock(&fi->lock); in __inject_io()
1922 if (fi->counters[FIRQ_CNTR_IO] >= KVM_S390_MAX_FLOAT_IRQS) { in __inject_io()
1923 spin_unlock(&fi->lock); in __inject_io()
1924 return -EBUSY; in __inject_io()
1926 fi->counters[FIRQ_CNTR_IO] += 1; in __inject_io()
1928 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __inject_io()
1932 inti->io.subchannel_id >> 8, in __inject_io()
1933 inti->io.subchannel_id >> 1 & 0x3, in __inject_io()
1934 inti->io.subchannel_nr); in __inject_io()
1935 list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in __inject_io()
1936 list_add_tail(&inti->list, list); in __inject_io()
1937 set_bit(isc_to_irq_type(isc), &fi->pending_irqs); in __inject_io()
1938 spin_unlock(&fi->lock); in __inject_io()
1950 online_vcpus = atomic_read(&kvm->online_vcpus); in __floating_irq_kick()
1955 sigcpu = find_first_bit(kvm->arch.idle_mask, online_vcpus); in __floating_irq_kick()
1958 sigcpu = kvm->arch.float_int.next_rr_cpu++; in __floating_irq_kick()
1959 kvm->arch.float_int.next_rr_cpu %= online_vcpus; in __floating_irq_kick()
1974 kvm->arch.gisa_int.origin) || in __floating_irq_kick()
1987 u64 type = READ_ONCE(inti->type); in __inject_vm()
2007 rc = -EINVAL; in __inject_vm()
2024 return -ENOMEM; in kvm_s390_inject_vm()
2026 inti->type = s390int->type; in kvm_s390_inject_vm()
2027 switch (inti->type) { in kvm_s390_inject_vm()
2030 s390int->parm, s390int->parm64); in kvm_s390_inject_vm()
2031 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2032 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2035 VM_EVENT(kvm, 4, "inject: sclp parm:%x", s390int->parm); in kvm_s390_inject_vm()
2036 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2039 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2043 s390int->parm64); in kvm_s390_inject_vm()
2044 inti->mchk.cr14 = s390int->parm; /* upper bits are not used */ in kvm_s390_inject_vm()
2045 inti->mchk.mcic = s390int->parm64; in kvm_s390_inject_vm()
2048 inti->io.subchannel_id = s390int->parm >> 16; in kvm_s390_inject_vm()
2049 inti->io.subchannel_nr = s390int->parm & 0x0000ffffu; in kvm_s390_inject_vm()
2050 inti->io.io_int_parm = s390int->parm64 >> 32; in kvm_s390_inject_vm()
2051 inti->io.io_int_word = s390int->parm64 & 0x00000000ffffffffull; in kvm_s390_inject_vm()
2055 return -EINVAL; in kvm_s390_inject_vm()
2057 trace_kvm_s390_inject_vm(s390int->type, s390int->parm, s390int->parm64, in kvm_s390_inject_vm()
2075 irq->type = s390int->type; in s390int_to_s390irq()
2076 switch (irq->type) { in s390int_to_s390irq()
2078 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2079 return -EINVAL; in s390int_to_s390irq()
2080 irq->u.pgm.code = s390int->parm; in s390int_to_s390irq()
2083 irq->u.prefix.address = s390int->parm; in s390int_to_s390irq()
2086 irq->u.stop.flags = s390int->parm; in s390int_to_s390irq()
2089 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2090 return -EINVAL; in s390int_to_s390irq()
2091 irq->u.extcall.code = s390int->parm; in s390int_to_s390irq()
2094 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2095 return -EINVAL; in s390int_to_s390irq()
2096 irq->u.emerg.code = s390int->parm; in s390int_to_s390irq()
2099 irq->u.mchk.mcic = s390int->parm64; in s390int_to_s390irq()
2102 irq->u.ext.ext_params = s390int->parm; in s390int_to_s390irq()
2103 irq->u.ext.ext_params2 = s390int->parm64; in s390int_to_s390irq()
2110 return -EINVAL; in s390int_to_s390irq()
2117 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_stop_irq_pending()
2119 return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_is_stop_irq_pending()
2124 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_restart_irq_pending()
2126 return test_bit(IRQ_PEND_RESTART, &li->pending_irqs); in kvm_s390_is_restart_irq_pending()
2131 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_stop_irq()
2133 spin_lock(&li->lock); in kvm_s390_clear_stop_irq()
2134 li->irq.stop.flags = 0; in kvm_s390_clear_stop_irq()
2135 clear_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_clear_stop_irq()
2136 spin_unlock(&li->lock); in kvm_s390_clear_stop_irq()
2143 switch (irq->type) { in do_inject_vcpu()
2178 rc = -EINVAL; in do_inject_vcpu()
2186 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_inject_vcpu()
2189 spin_lock(&li->lock); in kvm_s390_inject_vcpu()
2191 spin_unlock(&li->lock); in kvm_s390_inject_vcpu()
2202 list_del(&inti->list); in clear_irq_list()
2210 irq->type = inti->type; in inti_to_irq()
2211 switch (inti->type) { in inti_to_irq()
2215 irq->u.ext = inti->ext; in inti_to_irq()
2218 irq->u.io = inti->io; in inti_to_irq()
2225 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_clear_float_irqs()
2228 mutex_lock(&kvm->lock); in kvm_s390_clear_float_irqs()
2230 fi->masked_irqs = 0; in kvm_s390_clear_float_irqs()
2231 mutex_unlock(&kvm->lock); in kvm_s390_clear_float_irqs()
2232 spin_lock(&fi->lock); in kvm_s390_clear_float_irqs()
2233 fi->pending_irqs = 0; in kvm_s390_clear_float_irqs()
2234 memset(&fi->srv_signal, 0, sizeof(fi->srv_signal)); in kvm_s390_clear_float_irqs()
2235 memset(&fi->mchk, 0, sizeof(fi->mchk)); in kvm_s390_clear_float_irqs()
2237 clear_irq_list(&fi->lists[i]); in kvm_s390_clear_float_irqs()
2239 fi->counters[i] = 0; in kvm_s390_clear_float_irqs()
2240 spin_unlock(&fi->lock); in kvm_s390_clear_float_irqs()
2246 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_all_floating_irqs()
2257 return -EINVAL; in get_all_floating_irqs()
2260 * We are already using -ENOMEM to signal in get_all_floating_irqs()
2266 return -ENOBUFS; in get_all_floating_irqs()
2270 if (gi->origin && gisa_get_ipm(gi->origin)) { in get_all_floating_irqs()
2274 ret = -ENOMEM; in get_all_floating_irqs()
2277 if (gisa_tac_ipm_gisc(gi->origin, i)) { in get_all_floating_irqs()
2279 irq->type = KVM_S390_INT_IO(1, 0, 0, 0); in get_all_floating_irqs()
2280 irq->u.io.io_int_word = isc_to_int_word(i); in get_all_floating_irqs()
2285 fi = &kvm->arch.float_int; in get_all_floating_irqs()
2286 spin_lock(&fi->lock); in get_all_floating_irqs()
2288 list_for_each_entry(inti, &fi->lists[i], list) { in get_all_floating_irqs()
2291 ret = -ENOMEM; in get_all_floating_irqs()
2298 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs) || in get_all_floating_irqs()
2299 test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs)) { in get_all_floating_irqs()
2302 ret = -ENOMEM; in get_all_floating_irqs()
2306 irq->type = KVM_S390_INT_SERVICE; in get_all_floating_irqs()
2307 irq->u.ext = fi->srv_signal; in get_all_floating_irqs()
2310 if (test_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in get_all_floating_irqs()
2313 ret = -ENOMEM; in get_all_floating_irqs()
2317 irq->type = KVM_S390_MCHK; in get_all_floating_irqs()
2318 irq->u.mchk = fi->mchk; in get_all_floating_irqs()
2323 spin_unlock(&fi->lock); in get_all_floating_irqs()
2327 ret = -EFAULT; in get_all_floating_irqs()
2336 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_get_all()
2339 if (attr->attr < sizeof(ais)) in flic_ais_mode_get_all()
2340 return -EINVAL; in flic_ais_mode_get_all()
2343 return -EOPNOTSUPP; in flic_ais_mode_get_all()
2345 mutex_lock(&fi->ais_lock); in flic_ais_mode_get_all()
2346 ais.simm = fi->simm; in flic_ais_mode_get_all()
2347 ais.nimm = fi->nimm; in flic_ais_mode_get_all()
2348 mutex_unlock(&fi->ais_lock); in flic_ais_mode_get_all()
2350 if (copy_to_user((void __user *)attr->addr, &ais, sizeof(ais))) in flic_ais_mode_get_all()
2351 return -EFAULT; in flic_ais_mode_get_all()
2360 switch (attr->group) { in flic_get_attr()
2362 r = get_all_floating_irqs(dev->kvm, (u8 __user *) attr->addr, in flic_get_attr()
2363 attr->attr); in flic_get_attr()
2366 r = flic_ais_mode_get_all(dev->kvm, attr); in flic_get_attr()
2369 r = -EINVAL; in flic_get_attr()
2383 if (get_user(inti->type, (u64 __user *)addr)) in copy_irq_from_user()
2384 return -EFAULT; in copy_irq_from_user()
2386 switch (inti->type) { in copy_irq_from_user()
2391 target = (void *) &inti->ext; in copy_irq_from_user()
2392 source = &uptr->u.ext; in copy_irq_from_user()
2393 size = sizeof(inti->ext); in copy_irq_from_user()
2396 target = (void *) &inti->io; in copy_irq_from_user()
2397 source = &uptr->u.io; in copy_irq_from_user()
2398 size = sizeof(inti->io); in copy_irq_from_user()
2401 target = (void *) &inti->mchk; in copy_irq_from_user()
2402 source = &uptr->u.mchk; in copy_irq_from_user()
2403 size = sizeof(inti->mchk); in copy_irq_from_user()
2406 return -EINVAL; in copy_irq_from_user()
2410 return -EFAULT; in copy_irq_from_user()
2420 int len = attr->attr; in enqueue_floating_irq()
2423 return -EINVAL; in enqueue_floating_irq()
2425 return -EINVAL; in enqueue_floating_irq()
2430 return -ENOMEM; in enqueue_floating_irq()
2432 r = copy_irq_from_user(inti, attr->addr); in enqueue_floating_irq()
2437 r = __inject_vm(dev->kvm, inti); in enqueue_floating_irq()
2442 len -= sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2443 attr->addr += sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2454 return kvm->arch.adapters[id]; in get_io_adapter()
2464 (void __user *)attr->addr, sizeof(adapter_info))) in register_io_adapter()
2465 return -EFAULT; in register_io_adapter()
2468 return -EINVAL; in register_io_adapter()
2473 if (dev->kvm->arch.adapters[adapter_info.id] != NULL) in register_io_adapter()
2474 return -EINVAL; in register_io_adapter()
2478 return -ENOMEM; in register_io_adapter()
2480 adapter->id = adapter_info.id; in register_io_adapter()
2481 adapter->isc = adapter_info.isc; in register_io_adapter()
2482 adapter->maskable = adapter_info.maskable; in register_io_adapter()
2483 adapter->masked = false; in register_io_adapter()
2484 adapter->swap = adapter_info.swap; in register_io_adapter()
2485 adapter->suppressible = (adapter_info.flags) & in register_io_adapter()
2487 dev->kvm->arch.adapters[adapter->id] = adapter; in register_io_adapter()
2497 if (!adapter || !adapter->maskable) in kvm_s390_mask_adapter()
2498 return -EINVAL; in kvm_s390_mask_adapter()
2499 ret = adapter->masked; in kvm_s390_mask_adapter()
2500 adapter->masked = masked; in kvm_s390_mask_adapter()
2509 kfree(kvm->arch.adapters[i]); in kvm_s390_destroy_adapters()
2519 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_io_adapter()
2520 return -EFAULT; in modify_io_adapter()
2522 adapter = get_io_adapter(dev->kvm, req.id); in modify_io_adapter()
2524 return -EINVAL; in modify_io_adapter()
2527 ret = kvm_s390_mask_adapter(dev->kvm, req.id, req.mask); in modify_io_adapter()
2532 * The following operations are no longer needed and therefore no-ops. in modify_io_adapter()
2541 ret = -EINVAL; in modify_io_adapter()
2553 if (attr->flags) in clear_io_irq()
2554 return -EINVAL; in clear_io_irq()
2555 if (attr->attr != sizeof(schid)) in clear_io_irq()
2556 return -EINVAL; in clear_io_irq()
2557 if (copy_from_user(&schid, (void __user *) attr->addr, sizeof(schid))) in clear_io_irq()
2558 return -EFAULT; in clear_io_irq()
2560 return -EINVAL; in clear_io_irq()
2572 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in modify_ais_mode()
2577 return -EOPNOTSUPP; in modify_ais_mode()
2579 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_ais_mode()
2580 return -EFAULT; in modify_ais_mode()
2583 return -EINVAL; in modify_ais_mode()
2586 (fi->simm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2587 (fi->nimm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2591 mutex_lock(&fi->ais_lock); in modify_ais_mode()
2594 fi->simm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2595 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2598 fi->simm |= AIS_MODE_MASK(req.isc); in modify_ais_mode()
2599 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2602 ret = -EINVAL; in modify_ais_mode()
2604 mutex_unlock(&fi->ais_lock); in modify_ais_mode()
2612 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_inject_airq()
2616 .parm64 = isc_to_int_word(adapter->isc), in kvm_s390_inject_airq()
2620 if (!test_kvm_facility(kvm, 72) || !adapter->suppressible) in kvm_s390_inject_airq()
2623 mutex_lock(&fi->ais_lock); in kvm_s390_inject_airq()
2624 if (fi->nimm & AIS_MODE_MASK(adapter->isc)) { in kvm_s390_inject_airq()
2625 trace_kvm_s390_airq_suppressed(adapter->id, adapter->isc); in kvm_s390_inject_airq()
2630 if (!ret && (fi->simm & AIS_MODE_MASK(adapter->isc))) { in kvm_s390_inject_airq()
2631 fi->nimm |= AIS_MODE_MASK(adapter->isc); in kvm_s390_inject_airq()
2632 trace_kvm_s390_modify_ais_mode(adapter->isc, in kvm_s390_inject_airq()
2636 mutex_unlock(&fi->ais_lock); in kvm_s390_inject_airq()
2642 unsigned int id = attr->attr; in flic_inject_airq()
2646 return -EINVAL; in flic_inject_airq()
2653 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_set_all()
2657 return -EOPNOTSUPP; in flic_ais_mode_set_all()
2659 if (copy_from_user(&ais, (void __user *)attr->addr, sizeof(ais))) in flic_ais_mode_set_all()
2660 return -EFAULT; in flic_ais_mode_set_all()
2662 mutex_lock(&fi->ais_lock); in flic_ais_mode_set_all()
2663 fi->simm = ais.simm; in flic_ais_mode_set_all()
2664 fi->nimm = ais.nimm; in flic_ais_mode_set_all()
2665 mutex_unlock(&fi->ais_lock); in flic_ais_mode_set_all()
2676 switch (attr->group) { in flic_set_attr()
2681 kvm_s390_clear_float_irqs(dev->kvm); in flic_set_attr()
2684 dev->kvm->arch.gmap->pfault_enabled = 1; in flic_set_attr()
2687 dev->kvm->arch.gmap->pfault_enabled = 0; in flic_set_attr()
2693 synchronize_srcu(&dev->kvm->srcu); in flic_set_attr()
2694 kvm_for_each_vcpu(i, vcpu, dev->kvm) in flic_set_attr()
2704 r = clear_io_irq(dev->kvm, attr); in flic_set_attr()
2707 r = modify_ais_mode(dev->kvm, attr); in flic_set_attr()
2710 r = flic_inject_airq(dev->kvm, attr); in flic_set_attr()
2713 r = flic_ais_mode_set_all(dev->kvm, attr); in flic_set_attr()
2716 r = -EINVAL; in flic_set_attr()
2725 switch (attr->group) { in flic_has_attr()
2739 return -ENXIO; in flic_has_attr()
2745 return -EINVAL; in flic_create()
2746 if (dev->kvm->arch.flic) in flic_create()
2747 return -EINVAL; in flic_create()
2748 dev->kvm->arch.flic = dev; in flic_create()
2754 dev->kvm->arch.flic = NULL; in flic_destroy()
2760 .name = "kvm-flic",
2774 return swap ? (bit ^ (BITS_PER_LONG - 1)) : bit; in get_ind_bit()
2781 mmap_read_lock(kvm->mm); in get_map_page()
2782 get_user_pages_remote(kvm->mm, uaddr, 1, FOLL_WRITE, in get_map_page()
2784 mmap_read_unlock(kvm->mm); in get_map_page()
2797 ind_page = get_map_page(kvm, adapter_int->ind_addr); in adapter_indicators_set()
2799 return -1; in adapter_indicators_set()
2800 summary_page = get_map_page(kvm, adapter_int->summary_addr); in adapter_indicators_set()
2803 return -1; in adapter_indicators_set()
2806 idx = srcu_read_lock(&kvm->srcu); in adapter_indicators_set()
2808 bit = get_ind_bit(adapter_int->ind_addr, in adapter_indicators_set()
2809 adapter_int->ind_offset, adapter->swap); in adapter_indicators_set()
2811 mark_page_dirty(kvm, adapter_int->ind_addr >> PAGE_SHIFT); in adapter_indicators_set()
2814 bit = get_ind_bit(adapter_int->summary_addr, in adapter_indicators_set()
2815 adapter_int->summary_offset, adapter->swap); in adapter_indicators_set()
2817 mark_page_dirty(kvm, adapter_int->summary_addr >> PAGE_SHIFT); in adapter_indicators_set()
2819 srcu_read_unlock(&kvm->srcu, idx); in adapter_indicators_set()
2827 * < 0 - not injected due to error
2828 * = 0 - coalesced, summary indicator already active
2829 * > 0 - injected interrupt
2838 /* We're only interested in the 0->1 transition. */ in set_adapter_int()
2841 adapter = get_io_adapter(kvm, e->adapter.adapter_id); in set_adapter_int()
2843 return -1; in set_adapter_int()
2844 ret = adapter_indicators_set(kvm, adapter, &e->adapter); in set_adapter_int()
2845 if ((ret > 0) && !adapter->masked) { in set_adapter_int()
2866 mci.val = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2869 if (mci.dg) in kvm_s390_reinject_machine_check()
2875 mchk->cr14 = cr14; in kvm_s390_reinject_machine_check()
2876 mchk->mcic = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2877 mchk->ext_damage_code = mcck_info->ext_damage_code; in kvm_s390_reinject_machine_check()
2878 mchk->failing_storage_address = mcck_info->failing_storage_address; in kvm_s390_reinject_machine_check()
2882 rc = __inject_vm(vcpu->kvm, &inti); in kvm_s390_reinject_machine_check()
2897 switch (ue->type) { in kvm_set_routing_entry()
2900 e->set = set_adapter_int; in kvm_set_routing_entry()
2901 uaddr = gmap_translate(kvm->arch.gmap, ue->u.adapter.summary_addr); in kvm_set_routing_entry()
2902 if (uaddr == -EFAULT) in kvm_set_routing_entry()
2903 return -EFAULT; in kvm_set_routing_entry()
2904 e->adapter.summary_addr = uaddr; in kvm_set_routing_entry()
2905 uaddr = gmap_translate(kvm->arch.gmap, ue->u.adapter.ind_addr); in kvm_set_routing_entry()
2906 if (uaddr == -EFAULT) in kvm_set_routing_entry()
2907 return -EFAULT; in kvm_set_routing_entry()
2908 e->adapter.ind_addr = uaddr; in kvm_set_routing_entry()
2909 e->adapter.summary_offset = ue->u.adapter.summary_offset; in kvm_set_routing_entry()
2910 e->adapter.ind_offset = ue->u.adapter.ind_offset; in kvm_set_routing_entry()
2911 e->adapter.adapter_id = ue->u.adapter.adapter_id; in kvm_set_routing_entry()
2914 return -EINVAL; in kvm_set_routing_entry()
2921 return -EINVAL; in kvm_set_msi()
2926 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_set_irq_state()
2933 return -ENOMEM; in kvm_s390_set_irq_state()
2936 r = -EFAULT; in kvm_s390_set_irq_state()
2944 spin_lock(&li->lock); in kvm_s390_set_irq_state()
2945 if (li->pending_irqs) { in kvm_s390_set_irq_state()
2946 r = -EBUSY; in kvm_s390_set_irq_state()
2957 spin_unlock(&li->lock); in kvm_s390_set_irq_state()
2971 irq->type = KVM_S390_MCHK; in store_local_irq()
2972 irq->u.mchk = li->irq.mchk; in store_local_irq()
2975 irq->type = KVM_S390_PROGRAM_INT; in store_local_irq()
2976 irq->u.pgm = li->irq.pgm; in store_local_irq()
2979 irq->type = KVM_S390_INT_PFAULT_INIT; in store_local_irq()
2980 irq->u.ext = li->irq.ext; in store_local_irq()
2983 irq->type = KVM_S390_INT_EXTERNAL_CALL; in store_local_irq()
2984 irq->u.extcall = li->irq.extcall; in store_local_irq()
2987 irq->type = KVM_S390_INT_CLOCK_COMP; in store_local_irq()
2990 irq->type = KVM_S390_INT_CPU_TIMER; in store_local_irq()
2993 irq->type = KVM_S390_SIGP_STOP; in store_local_irq()
2994 irq->u.stop = li->irq.stop; in store_local_irq()
2997 irq->type = KVM_S390_RESTART; in store_local_irq()
3000 irq->type = KVM_S390_SIGP_SET_PREFIX; in store_local_irq()
3001 irq->u.prefix = li->irq.prefix; in store_local_irq()
3010 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_get_irq_state()
3017 spin_lock(&li->lock); in kvm_s390_get_irq_state()
3018 pending_irqs = li->pending_irqs; in kvm_s390_get_irq_state()
3019 memcpy(&sigp_emerg_pending, &li->sigp_emerg_pending, in kvm_s390_get_irq_state()
3021 spin_unlock(&li->lock); in kvm_s390_get_irq_state()
3028 return -ENOBUFS; in kvm_s390_get_irq_state()
3029 store_local_irq(&vcpu->arch.local_int, &irq, irq_type); in kvm_s390_get_irq_state()
3031 return -EFAULT; in kvm_s390_get_irq_state()
3039 return -ENOBUFS; in kvm_s390_get_irq_state()
3043 return -EFAULT; in kvm_s390_get_irq_state()
3050 return -ENOBUFS; in kvm_s390_get_irq_state()
3055 return -EFAULT; in kvm_s390_get_irq_state()
3064 int vcpu_idx, online_vcpus = atomic_read(&kvm->online_vcpus); in __airqs_kick_single_vcpu()
3065 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __airqs_kick_single_vcpu()
3069 for_each_set_bit(vcpu_idx, kvm->arch.idle_mask, online_vcpus) { in __airqs_kick_single_vcpu()
3073 vcpu_isc_mask = (u8)(vcpu->arch.sie_block->gcr[6] >> 24); in __airqs_kick_single_vcpu()
3076 if (test_and_set_bit(vcpu_idx, gi->kicked_mask)) in __airqs_kick_single_vcpu()
3089 container_of(gi->origin, struct sie_page2, gisa)->kvm; in gisa_vcpu_kicker()
3095 hrtimer_forward_now(timer, ns_to_ktime(gi->expires)); in gisa_vcpu_kicker()
3125 * for guests not in the yet cut-off alert list. When in the in process_gib_alert_list()
3126 * final loop, store the NULL_GISA_ADDR instead. This will re- in process_gib_alert_list()
3129 origin = xchg(&gib->alert_list_origin, in process_gib_alert_list()
3132 * Loop through the just cut-off alert list and start the in process_gib_alert_list()
3138 origin = gisa->next_alert; in process_gib_alert_list()
3139 gisa->next_alert = (u32)(u64)gisa; in process_gib_alert_list()
3140 kvm = container_of(gisa, struct sie_page2, gisa)->kvm; in process_gib_alert_list()
3141 gi = &kvm->arch.gisa_int; in process_gib_alert_list()
3142 if (hrtimer_active(&gi->timer)) in process_gib_alert_list()
3143 hrtimer_cancel(&gi->timer); in process_gib_alert_list()
3144 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in process_gib_alert_list()
3152 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_clear()
3154 if (!gi->origin) in kvm_s390_gisa_clear()
3156 gisa_clear_ipm(gi->origin); in kvm_s390_gisa_clear()
3157 VM_EVENT(kvm, 3, "gisa 0x%pK cleared", gi->origin); in kvm_s390_gisa_clear()
3162 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_init()
3166 gi->origin = &kvm->arch.sie_page2->gisa; in kvm_s390_gisa_init()
3167 gi->alert.mask = 0; in kvm_s390_gisa_init()
3168 spin_lock_init(&gi->alert.ref_lock); in kvm_s390_gisa_init()
3169 gi->expires = 50 * 1000; /* 50 usec */ in kvm_s390_gisa_init()
3170 hrtimer_init(&gi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in kvm_s390_gisa_init()
3171 gi->timer.function = gisa_vcpu_kicker; in kvm_s390_gisa_init()
3172 memset(gi->origin, 0, sizeof(struct kvm_s390_gisa)); in kvm_s390_gisa_init()
3173 gi->origin->next_alert = (u32)(u64)gi->origin; in kvm_s390_gisa_init()
3174 VM_EVENT(kvm, 3, "gisa 0x%pK initialized", gi->origin); in kvm_s390_gisa_init()
3179 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_destroy()
3181 if (!gi->origin) in kvm_s390_gisa_destroy()
3183 if (gi->alert.mask) in kvm_s390_gisa_destroy()
3185 kvm, gi->alert.mask); in kvm_s390_gisa_destroy()
3186 while (gisa_in_alert_list(gi->origin)) in kvm_s390_gisa_destroy()
3188 hrtimer_cancel(&gi->timer); in kvm_s390_gisa_destroy()
3189 gi->origin = NULL; in kvm_s390_gisa_destroy()
3193 * kvm_s390_gisc_register - register a guest ISC
3196 * @gisc: the guest interruption sub class to register
3206 * -ENODEV in case the vm uses no GISA
3207 * -ERANGE in case the guest ISC is invalid
3211 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_register()
3213 if (!gi->origin) in kvm_s390_gisc_register()
3214 return -ENODEV; in kvm_s390_gisc_register()
3216 return -ERANGE; in kvm_s390_gisc_register()
3218 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3219 gi->alert.ref_count[gisc]++; in kvm_s390_gisc_register()
3220 if (gi->alert.ref_count[gisc] == 1) { in kvm_s390_gisc_register()
3221 gi->alert.mask |= 0x80 >> gisc; in kvm_s390_gisc_register()
3222 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_register()
3224 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3226 return gib->nisc; in kvm_s390_gisc_register()
3231 * kvm_s390_gisc_unregister - unregister a guest ISC
3234 * @gisc: the guest interruption sub class to register
3244 * -ENODEV in case the vm uses no GISA
3245 * -ERANGE in case the guest ISC is invalid
3246 * -EINVAL in case the guest ISC is not registered
3250 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_unregister()
3253 if (!gi->origin) in kvm_s390_gisc_unregister()
3254 return -ENODEV; in kvm_s390_gisc_unregister()
3256 return -ERANGE; in kvm_s390_gisc_unregister()
3258 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3259 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3260 rc = -EINVAL; in kvm_s390_gisc_unregister()
3263 gi->alert.ref_count[gisc]--; in kvm_s390_gisc_unregister()
3264 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3265 gi->alert.mask &= ~(0x80 >> gisc); in kvm_s390_gisc_unregister()
3266 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_unregister()
3269 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3307 rc = -ENOMEM; in kvm_s390_gib_init()
3314 rc = -EIO; in kvm_s390_gib_init()
3318 gib->nisc = nisc; in kvm_s390_gib_init()
3323 rc = -EIO; in kvm_s390_gib_init()
3327 KVM_EVENT(3, "gib 0x%pK (nisc=%d) initialized", gib, gib->nisc); in kvm_s390_gib_init()