Lines Matching +full:vrs +full:- +full:10
1 // SPDX-License-Identifier: GPL-2.0
10 #define pr_fmt(fmt) "kvm-s390: " fmt
23 #include <asm/access-regs.h>
24 #include <asm/asm-offsets.h>
33 #include "kvm-s390.h"
35 #include "trace-s390.h"
47 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
48 union esca_sigp_ctrl sigp_ctrl = sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
63 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
64 union esca_sigp_ctrl *sigp_ctrl = &sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_inject_ext_call()
74 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
78 return -EBUSY; in sca_inject_ext_call()
86 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
87 union esca_sigp_ctrl *sigp_ctrl = &sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_clear_ext_call()
93 WRITE_ONCE(sigp_ctrl->value, 0); in sca_clear_ext_call()
98 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT); in psw_extint_disabled()
103 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_IO); in psw_ioint_disabled()
108 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_MCHECK); in psw_mchk_disabled()
121 !(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in ckc_interrupts_enabled()
131 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in ckc_irq_pending()
132 const u64 ckc = vcpu->arch.sie_block->ckc; in ckc_irq_pending()
134 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in ckc_irq_pending()
146 (vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK); in cpu_timer_interrupts_enabled()
180 * gisa_set_iam - change the GISA interruption alert mask
190 * -EBUSY in case the gisa is part of the alert list
196 word = READ_ONCE(gisa->u64.word[0]); in gisa_set_iam()
199 return -EBUSY; in gisa_set_iam()
201 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_set_iam()
207 * gisa_clear_ipm - clear the GISA interruption pending mask
219 word = READ_ONCE(gisa->u64.word[0]); in gisa_clear_ipm()
222 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_clear_ipm()
226 * gisa_get_ipm_or_restore_iam - return IPM or restore GISA IAM
240 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
242 alert_mask = READ_ONCE(gi->alert.mask); in gisa_get_ipm_or_restore_iam()
247 } while (!try_cmpxchg(&gi->origin->u64.word[0], &word, _word)); in gisa_get_ipm_or_restore_iam()
259 return READ_ONCE(gisa->ipm); in gisa_get_ipm()
269 unsigned long pending = vcpu->kvm->arch.float_int.pending_irqs | in pending_irqs_no_gisa()
270 vcpu->arch.local_int.pending_irqs; in pending_irqs_no_gisa()
272 pending &= ~vcpu->kvm->arch.float_int.masked_irqs; in pending_irqs_no_gisa()
278 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in pending_irqs()
282 if (gi->origin) in pending_irqs()
283 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
289 return IRQ_PEND_IO_ISC_0 - isc; in isc_to_irq_type()
294 return IRQ_PEND_IO_ISC_0 - irq_type; in irq_type_to_isc()
303 if (!(vcpu->arch.sie_block->gcr[6] & isc_to_isc_bits(i))) in disable_iscs()
323 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in deliverable_irqs()
325 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EMERGENCY_SIGNAL_SUBMASK)) in deliverable_irqs()
327 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in deliverable_irqs()
329 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK)) in deliverable_irqs()
331 if (!(vcpu->arch.sie_block->gcr[0] & CR0_SERVICE_SIGNAL_SUBMASK)) { in deliverable_irqs()
339 vcpu->arch.sie_block->iictl != IICTL_CODE_NONE) in deliverable_irqs()
347 if (!(vcpu->arch.sie_block->gcr[14] & in deliverable_irqs()
348 (vcpu->kvm->arch.float_int.mchk.cr14 | in deliverable_irqs()
349 vcpu->arch.local_int.irq.mchk.cr14))) in deliverable_irqs()
364 set_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __set_cpu_idle()
370 clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __unset_cpu_idle()
377 vcpu->arch.sie_block->lctl = 0x0000; in __reset_intercept_indicators()
378 vcpu->arch.sie_block->ictl &= ~(ICTL_LPSW | ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
381 vcpu->arch.sie_block->lctl |= (LCTL_CR0 | LCTL_CR9 | in __reset_intercept_indicators()
383 vcpu->arch.sie_block->ictl |= (ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
394 vcpu->arch.sie_block->lctl |= LCTL_CR6; in set_intercept_indicators_io()
404 vcpu->arch.sie_block->lctl |= LCTL_CR0; in set_intercept_indicators_ext()
412 vcpu->arch.sie_block->ictl |= ICTL_LPSW; in set_intercept_indicators_mchk()
414 vcpu->arch.sie_block->lctl |= LCTL_CR14; in set_intercept_indicators_mchk()
423 /* Set interception request for non-deliverable interrupts */
434 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_cpu_timer()
437 vcpu->stat.deliver_cputm++; in __deliver_cpu_timer()
438 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __deliver_cpu_timer()
441 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_cpu_timer()
442 vcpu->arch.sie_block->eic = EXT_IRQ_CPU_TIMER; in __deliver_cpu_timer()
448 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
450 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
452 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __deliver_cpu_timer()
453 return rc ? -EFAULT : 0; in __deliver_cpu_timer()
458 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_ckc()
461 vcpu->stat.deliver_ckc++; in __deliver_ckc()
462 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __deliver_ckc()
465 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_ckc()
466 vcpu->arch.sie_block->eic = EXT_IRQ_CLK_COMP; in __deliver_ckc()
472 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
474 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
476 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __deliver_ckc()
477 return rc ? -EFAULT : 0; in __deliver_ckc()
482 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_pfault_init()
486 spin_lock(&li->lock); in __deliver_pfault_init()
487 ext = li->irq.ext; in __deliver_pfault_init()
488 clear_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __deliver_pfault_init()
489 li->irq.ext.ext_params2 = 0; in __deliver_pfault_init()
490 spin_unlock(&li->lock); in __deliver_pfault_init()
494 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_init()
501 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
503 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
505 return rc ? -EFAULT : 0; in __deliver_pfault_init()
524 vcpu->arch.sie_block->iictl = IICTL_CODE_MCHK; in __write_machine_check()
525 vcpu->arch.sie_block->mcic = mchk->mcic; in __write_machine_check()
526 vcpu->arch.sie_block->faddr = mchk->failing_storage_address; in __write_machine_check()
527 vcpu->arch.sie_block->edc = mchk->ext_damage_code; in __write_machine_check()
531 mci.val = mchk->mcic; in __write_machine_check()
533 kvm_s390_fpu_store(vcpu->run); in __write_machine_check()
534 save_access_regs(vcpu->run->s.regs.acrs); in __write_machine_check()
535 if (cpu_has_gs() && vcpu->arch.gs_enabled) in __write_machine_check()
536 save_gs_cb(current->thread.gs_cb); in __write_machine_check()
541 /* Only bits 0 through 63-LC are used for address formation */ in __write_machine_check()
543 if (test_kvm_facility(vcpu->kvm, 133)) { in __write_machine_check()
546 case 10: in __write_machine_check()
563 if (!rc && mci.vr && ext_sa_addr && test_kvm_facility(vcpu->kvm, 129)) { in __write_machine_check()
564 if (write_guest_abs(vcpu, ext_sa_addr, vcpu->run->s.regs.vrs, in __write_machine_check()
570 if (!rc && mci.gs && ext_sa_addr && test_kvm_facility(vcpu->kvm, 133) in __write_machine_check()
573 &vcpu->run->s.regs.gscb, 32)) in __write_machine_check()
582 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
584 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
587 /* Register-save areas */ in __write_machine_check()
589 convert_vx_to_fp(fprs, (__vector128 *) vcpu->run->s.regs.vrs); in __write_machine_check()
593 vcpu->run->s.regs.fprs, 128); in __write_machine_check()
596 vcpu->run->s.regs.gprs, 128); in __write_machine_check()
597 rc |= put_guest_lc(vcpu, vcpu->run->s.regs.fpc, in __write_machine_check()
599 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->todpr, in __write_machine_check()
603 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->ckc >> 8, in __write_machine_check()
606 &vcpu->run->s.regs.acrs, 64); in __write_machine_check()
608 &vcpu->arch.sie_block->gcr, 128); in __write_machine_check()
611 rc |= put_guest_lc(vcpu, mchk->ext_damage_code, in __write_machine_check()
613 rc |= put_guest_lc(vcpu, mchk->failing_storage_address, in __write_machine_check()
615 rc |= write_guest_lc(vcpu, __LC_PSW_SAVE_AREA, &mchk->fixed_logout, in __write_machine_check()
616 sizeof(mchk->fixed_logout)); in __write_machine_check()
617 return rc ? -EFAULT : 0; in __write_machine_check()
622 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_machine_check()
623 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_machine_check()
628 spin_lock(&fi->lock); in __deliver_machine_check()
629 spin_lock(&li->lock); in __deliver_machine_check()
630 if (test_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs) || in __deliver_machine_check()
631 test_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs)) { in __deliver_machine_check()
638 mchk = li->irq.mchk; in __deliver_machine_check()
639 clear_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __deliver_machine_check()
640 clear_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __deliver_machine_check()
641 memset(&li->irq.mchk, 0, sizeof(mchk)); in __deliver_machine_check()
650 if (test_and_clear_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in __deliver_machine_check()
651 mchk.mcic |= fi->mchk.mcic; in __deliver_machine_check()
652 mchk.cr14 |= fi->mchk.cr14; in __deliver_machine_check()
653 memset(&fi->mchk, 0, sizeof(mchk)); in __deliver_machine_check()
656 spin_unlock(&li->lock); in __deliver_machine_check()
657 spin_unlock(&fi->lock); in __deliver_machine_check()
662 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_machine_check()
665 vcpu->stat.deliver_machine_check++; in __deliver_machine_check()
673 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_restart()
677 vcpu->stat.deliver_restart_signal++; in __deliver_restart()
678 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __deliver_restart()
681 vcpu->arch.sie_block->iictl = IICTL_CODE_RESTART; in __deliver_restart()
685 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
687 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
689 clear_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __deliver_restart()
690 return rc ? -EFAULT : 0; in __deliver_restart()
695 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_set_prefix()
698 spin_lock(&li->lock); in __deliver_set_prefix()
699 prefix = li->irq.prefix; in __deliver_set_prefix()
700 li->irq.prefix.address = 0; in __deliver_set_prefix()
701 clear_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __deliver_set_prefix()
702 spin_unlock(&li->lock); in __deliver_set_prefix()
704 vcpu->stat.deliver_prefix_signal++; in __deliver_set_prefix()
705 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_set_prefix()
715 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_emergency_signal()
719 spin_lock(&li->lock); in __deliver_emergency_signal()
720 cpu_addr = find_first_bit(li->sigp_emerg_pending, KVM_MAX_VCPUS); in __deliver_emergency_signal()
721 clear_bit(cpu_addr, li->sigp_emerg_pending); in __deliver_emergency_signal()
722 if (bitmap_empty(li->sigp_emerg_pending, KVM_MAX_VCPUS)) in __deliver_emergency_signal()
723 clear_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __deliver_emergency_signal()
724 spin_unlock(&li->lock); in __deliver_emergency_signal()
727 vcpu->stat.deliver_emergency_signal++; in __deliver_emergency_signal()
728 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __deliver_emergency_signal()
731 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_emergency_signal()
732 vcpu->arch.sie_block->eic = EXT_IRQ_EMERGENCY_SIG; in __deliver_emergency_signal()
733 vcpu->arch.sie_block->extcpuaddr = cpu_addr; in __deliver_emergency_signal()
741 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
743 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
744 return rc ? -EFAULT : 0; in __deliver_emergency_signal()
749 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_external_call()
753 spin_lock(&li->lock); in __deliver_external_call()
754 extcall = li->irq.extcall; in __deliver_external_call()
755 li->irq.extcall.code = 0; in __deliver_external_call()
756 clear_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in __deliver_external_call()
757 spin_unlock(&li->lock); in __deliver_external_call()
760 vcpu->stat.deliver_external_call++; in __deliver_external_call()
761 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_external_call()
765 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_external_call()
766 vcpu->arch.sie_block->eic = EXT_IRQ_EXTERNAL_CALL; in __deliver_external_call()
767 vcpu->arch.sie_block->extcpuaddr = extcall.code; in __deliver_external_call()
775 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_external_call()
776 rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, in __deliver_external_call()
778 return rc ? -EFAULT : 0; in __deliver_external_call()
785 vcpu->arch.sie_block->iictl = IICTL_CODE_SPECIFICATION; in __deliver_prog_pv()
788 vcpu->arch.sie_block->iictl = IICTL_CODE_OPERAND; in __deliver_prog_pv()
791 return -EINVAL; in __deliver_prog_pv()
798 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_prog()
803 spin_lock(&li->lock); in __deliver_prog()
804 pgm_info = li->irq.pgm; in __deliver_prog()
805 clear_bit(IRQ_PEND_PROG, &li->pending_irqs); in __deliver_prog()
806 memset(&li->irq.pgm, 0, sizeof(pgm_info)); in __deliver_prog()
807 spin_unlock(&li->lock); in __deliver_prog()
812 vcpu->stat.deliver_program++; in __deliver_prog()
813 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __deliver_prog()
904 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->gbea, in __deliver_prog()
908 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
910 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
911 return rc ? -EFAULT : 0; in __deliver_prog()
922 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in write_sclp()
923 vcpu->arch.sie_block->eic = EXT_IRQ_SERVICE_SIG; in write_sclp()
924 vcpu->arch.sie_block->eiparams = parm; in write_sclp()
931 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
933 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
937 return rc ? -EFAULT : 0; in write_sclp()
942 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service()
945 spin_lock(&fi->lock); in __deliver_service()
946 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs) || in __deliver_service()
947 !(test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs))) { in __deliver_service()
948 spin_unlock(&fi->lock); in __deliver_service()
951 ext = fi->srv_signal; in __deliver_service()
952 memset(&fi->srv_signal, 0, sizeof(ext)); in __deliver_service()
953 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __deliver_service()
954 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service()
956 set_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in __deliver_service()
957 spin_unlock(&fi->lock); in __deliver_service()
961 vcpu->stat.deliver_service_signal++; in __deliver_service()
962 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service()
970 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service_ev()
973 spin_lock(&fi->lock); in __deliver_service_ev()
974 if (!(test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs))) { in __deliver_service_ev()
975 spin_unlock(&fi->lock); in __deliver_service_ev()
978 ext = fi->srv_signal; in __deliver_service_ev()
980 fi->srv_signal.ext_params &= ~SCCB_EVENT_PENDING; in __deliver_service_ev()
981 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service_ev()
982 spin_unlock(&fi->lock); in __deliver_service_ev()
985 vcpu->stat.deliver_service_signal++; in __deliver_service_ev()
986 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service_ev()
994 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_pfault_done()
998 spin_lock(&fi->lock); in __deliver_pfault_done()
999 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_PFAULT], in __deliver_pfault_done()
1003 list_del(&inti->list); in __deliver_pfault_done()
1004 fi->counters[FIRQ_CNTR_PFAULT] -= 1; in __deliver_pfault_done()
1006 if (list_empty(&fi->lists[FIRQ_LIST_PFAULT])) in __deliver_pfault_done()
1007 clear_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __deliver_pfault_done()
1008 spin_unlock(&fi->lock); in __deliver_pfault_done()
1011 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_done()
1013 inti->ext.ext_params2); in __deliver_pfault_done()
1015 inti->ext.ext_params2); in __deliver_pfault_done()
1022 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1025 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1027 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_pfault_done()
1031 return rc ? -EFAULT : 0; in __deliver_pfault_done()
1036 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_virtio()
1040 spin_lock(&fi->lock); in __deliver_virtio()
1041 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_VIRTIO], in __deliver_virtio()
1047 inti->ext.ext_params, inti->ext.ext_params2); in __deliver_virtio()
1048 vcpu->stat.deliver_virtio++; in __deliver_virtio()
1049 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_virtio()
1050 inti->type, in __deliver_virtio()
1051 inti->ext.ext_params, in __deliver_virtio()
1052 inti->ext.ext_params2); in __deliver_virtio()
1053 list_del(&inti->list); in __deliver_virtio()
1054 fi->counters[FIRQ_CNTR_VIRTIO] -= 1; in __deliver_virtio()
1056 if (list_empty(&fi->lists[FIRQ_LIST_VIRTIO])) in __deliver_virtio()
1057 clear_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __deliver_virtio()
1058 spin_unlock(&fi->lock); in __deliver_virtio()
1066 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1069 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1071 rc |= put_guest_lc(vcpu, inti->ext.ext_params, in __deliver_virtio()
1073 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_virtio()
1077 return rc ? -EFAULT : 0; in __deliver_virtio()
1085 vcpu->arch.sie_block->iictl = IICTL_CODE_IO; in __do_deliver_io()
1086 vcpu->arch.sie_block->subchannel_id = io->subchannel_id; in __do_deliver_io()
1087 vcpu->arch.sie_block->subchannel_nr = io->subchannel_nr; in __do_deliver_io()
1088 vcpu->arch.sie_block->io_int_parm = io->io_int_parm; in __do_deliver_io()
1089 vcpu->arch.sie_block->io_int_word = io->io_int_word; in __do_deliver_io()
1093 rc = put_guest_lc(vcpu, io->subchannel_id, (u16 *)__LC_SUBCHANNEL_ID); in __do_deliver_io()
1094 rc |= put_guest_lc(vcpu, io->subchannel_nr, (u16 *)__LC_SUBCHANNEL_NR); in __do_deliver_io()
1095 rc |= put_guest_lc(vcpu, io->io_int_parm, (u32 *)__LC_IO_INT_PARM); in __do_deliver_io()
1096 rc |= put_guest_lc(vcpu, io->io_int_word, (u32 *)__LC_IO_INT_WORD); in __do_deliver_io()
1098 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1101 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1103 return rc ? -EFAULT : 0; in __do_deliver_io()
1111 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in __deliver_io()
1117 fi = &vcpu->kvm->arch.float_int; in __deliver_io()
1119 spin_lock(&fi->lock); in __deliver_io()
1121 isc_list = &fi->lists[isc]; in __deliver_io()
1126 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __deliver_io()
1130 inti->io.subchannel_id >> 8, in __deliver_io()
1131 inti->io.subchannel_id >> 1 & 0x3, in __deliver_io()
1132 inti->io.subchannel_nr); in __deliver_io()
1134 vcpu->stat.deliver_io++; in __deliver_io()
1135 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1136 inti->type, in __deliver_io()
1137 ((__u32)inti->io.subchannel_id << 16) | in __deliver_io()
1138 inti->io.subchannel_nr, in __deliver_io()
1139 ((__u64)inti->io.io_int_parm << 32) | in __deliver_io()
1140 inti->io.io_int_word); in __deliver_io()
1141 list_del(&inti->list); in __deliver_io()
1142 fi->counters[FIRQ_CNTR_IO] -= 1; in __deliver_io()
1145 clear_bit(irq_type, &fi->pending_irqs); in __deliver_io()
1146 spin_unlock(&fi->lock); in __deliver_io()
1149 rc = __do_deliver_io(vcpu, &(inti->io)); in __deliver_io()
1154 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1162 vcpu->stat.deliver_io++; in __deliver_io()
1163 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1178 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_ext_call_pending()
1181 return test_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in kvm_s390_ext_call_pending()
1197 (vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in kvm_s390_vcpu_has_irq()
1212 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in __calculate_sltime()
1213 const u64 ckc = vcpu->arch.sie_block->ckc; in __calculate_sltime()
1217 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in __calculate_sltime()
1219 sltime = tod_to_ns((s64)ckc - (s64)now); in __calculate_sltime()
1221 sltime = tod_to_ns(ckc - now); in __calculate_sltime()
1244 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in kvm_s390_handle_wait()
1247 vcpu->stat.exit_wait_state++; in kvm_s390_handle_wait()
1255 return -EOPNOTSUPP; /* disabled wait */ in kvm_s390_handle_wait()
1258 if (gi->origin && in kvm_s390_handle_wait()
1260 vcpu->arch.sie_block->gcr[6] >> 24)) in kvm_s390_handle_wait()
1275 hrtimer_start(&vcpu->arch.ckc_timer, sltime, HRTIMER_MODE_REL); in kvm_s390_handle_wait()
1279 vcpu->kvm->arch.float_int.last_sleep_cpu = vcpu->vcpu_idx; in kvm_s390_handle_wait()
1281 vcpu->valid_wakeup = false; in kvm_s390_handle_wait()
1285 hrtimer_cancel(&vcpu->arch.ckc_timer); in kvm_s390_handle_wait()
1291 vcpu->valid_wakeup = true; in kvm_s390_vcpu_wakeup()
1321 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_local_irqs()
1323 spin_lock(&li->lock); in kvm_s390_clear_local_irqs()
1324 li->pending_irqs = 0; in kvm_s390_clear_local_irqs()
1325 bitmap_zero(li->sigp_emerg_pending, KVM_MAX_VCPUS); in kvm_s390_clear_local_irqs()
1326 memset(&li->irq, 0, sizeof(li->irq)); in kvm_s390_clear_local_irqs()
1327 spin_unlock(&li->lock); in kvm_s390_clear_local_irqs()
1334 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_deliver_pending_interrupts()
1343 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1345 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1348 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1350 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1408 clear_bit(irq_type, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1418 struct kvm_debug_exit_arch *debug_exit = &vcpu->run->debug.arch; in kvm_s390_deliver_pending_interrupts()
1420 debug_exit->addr = vcpu->arch.sie_block->gpsw.addr; in kvm_s390_deliver_pending_interrupts()
1421 debug_exit->type = KVM_SINGLESTEP; in kvm_s390_deliver_pending_interrupts()
1422 vcpu->guest_debug |= KVM_GUESTDBG_EXIT_PENDING; in kvm_s390_deliver_pending_interrupts()
1432 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_prog()
1434 vcpu->stat.inject_program++; in __inject_prog()
1435 VCPU_EVENT(vcpu, 3, "inject: program irq code 0x%x", irq->u.pgm.code); in __inject_prog()
1436 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __inject_prog()
1437 irq->u.pgm.code, 0); in __inject_prog()
1439 if (!(irq->u.pgm.flags & KVM_S390_PGM_FLAGS_ILC_VALID)) { in __inject_prog()
1441 irq->u.pgm.flags &= ~KVM_S390_PGM_FLAGS_ILC_MASK; in __inject_prog()
1442 irq->u.pgm.flags |= kvm_s390_get_ilen(vcpu); in __inject_prog()
1443 irq->u.pgm.flags |= KVM_S390_PGM_FLAGS_ILC_VALID; in __inject_prog()
1446 if (irq->u.pgm.code == PGM_PER) { in __inject_prog()
1447 li->irq.pgm.code |= PGM_PER; in __inject_prog()
1448 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1450 li->irq.pgm.per_address = irq->u.pgm.per_address; in __inject_prog()
1451 li->irq.pgm.per_code = irq->u.pgm.per_code; in __inject_prog()
1452 li->irq.pgm.per_atmid = irq->u.pgm.per_atmid; in __inject_prog()
1453 li->irq.pgm.per_access_id = irq->u.pgm.per_access_id; in __inject_prog()
1454 } else if (!(irq->u.pgm.code & PGM_PER)) { in __inject_prog()
1455 li->irq.pgm.code = (li->irq.pgm.code & PGM_PER) | in __inject_prog()
1456 irq->u.pgm.code; in __inject_prog()
1457 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1458 /* only modify non-PER information */ in __inject_prog()
1459 li->irq.pgm.trans_exc_code = irq->u.pgm.trans_exc_code; in __inject_prog()
1460 li->irq.pgm.mon_code = irq->u.pgm.mon_code; in __inject_prog()
1461 li->irq.pgm.data_exc_code = irq->u.pgm.data_exc_code; in __inject_prog()
1462 li->irq.pgm.mon_class_nr = irq->u.pgm.mon_class_nr; in __inject_prog()
1463 li->irq.pgm.exc_access_id = irq->u.pgm.exc_access_id; in __inject_prog()
1464 li->irq.pgm.op_access_id = irq->u.pgm.op_access_id; in __inject_prog()
1466 li->irq.pgm = irq->u.pgm; in __inject_prog()
1468 set_bit(IRQ_PEND_PROG, &li->pending_irqs); in __inject_prog()
1474 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_pfault_init()
1476 vcpu->stat.inject_pfault_init++; in __inject_pfault_init()
1478 irq->u.ext.ext_params2); in __inject_pfault_init()
1479 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_PFAULT_INIT, in __inject_pfault_init()
1480 irq->u.ext.ext_params, in __inject_pfault_init()
1481 irq->u.ext.ext_params2); in __inject_pfault_init()
1483 li->irq.ext = irq->u.ext; in __inject_pfault_init()
1484 set_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __inject_pfault_init()
1491 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_extcall()
1492 struct kvm_s390_extcall_info *extcall = &li->irq.extcall; in __inject_extcall()
1493 uint16_t src_id = irq->u.extcall.code; in __inject_extcall()
1495 vcpu->stat.inject_external_call++; in __inject_extcall()
1496 VCPU_EVENT(vcpu, 4, "inject: external call source-cpu:%u", in __inject_extcall()
1498 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EXTERNAL_CALL, in __inject_extcall()
1502 if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL) in __inject_extcall()
1503 return -EINVAL; in __inject_extcall()
1508 if (test_and_set_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs)) in __inject_extcall()
1509 return -EBUSY; in __inject_extcall()
1510 *extcall = irq->u.extcall; in __inject_extcall()
1517 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_set_prefix()
1518 struct kvm_s390_prefix_info *prefix = &li->irq.prefix; in __inject_set_prefix()
1520 vcpu->stat.inject_set_prefix++; in __inject_set_prefix()
1522 irq->u.prefix.address); in __inject_set_prefix()
1523 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_SET_PREFIX, in __inject_set_prefix()
1524 irq->u.prefix.address, 0); in __inject_set_prefix()
1527 return -EBUSY; in __inject_set_prefix()
1529 *prefix = irq->u.prefix; in __inject_set_prefix()
1530 set_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __inject_set_prefix()
1537 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_stop()
1538 struct kvm_s390_stop_info *stop = &li->irq.stop; in __inject_sigp_stop()
1541 vcpu->stat.inject_stop_signal++; in __inject_sigp_stop()
1542 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_STOP, 0, 0); in __inject_sigp_stop()
1544 if (irq->u.stop.flags & ~KVM_S390_STOP_SUPP_FLAGS) in __inject_sigp_stop()
1545 return -EINVAL; in __inject_sigp_stop()
1548 if (irq->u.stop.flags & KVM_S390_STOP_FLAG_STORE_STATUS) in __inject_sigp_stop()
1554 if (test_and_set_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs)) in __inject_sigp_stop()
1555 return -EBUSY; in __inject_sigp_stop()
1556 stop->flags = irq->u.stop.flags; in __inject_sigp_stop()
1563 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_restart()
1565 vcpu->stat.inject_restart++; in __inject_sigp_restart()
1567 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __inject_sigp_restart()
1569 set_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __inject_sigp_restart()
1576 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_emergency()
1578 vcpu->stat.inject_emergency_signal++; in __inject_sigp_emergency()
1580 irq->u.emerg.code); in __inject_sigp_emergency()
1581 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __inject_sigp_emergency()
1582 irq->u.emerg.code, 0); in __inject_sigp_emergency()
1585 if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL) in __inject_sigp_emergency()
1586 return -EINVAL; in __inject_sigp_emergency()
1588 set_bit(irq->u.emerg.code, li->sigp_emerg_pending); in __inject_sigp_emergency()
1589 set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __inject_sigp_emergency()
1596 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_mchk()
1597 struct kvm_s390_mchk_info *mchk = &li->irq.mchk; in __inject_mchk()
1599 vcpu->stat.inject_mchk++; in __inject_mchk()
1601 irq->u.mchk.mcic); in __inject_mchk()
1602 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_MCHK, 0, in __inject_mchk()
1603 irq->u.mchk.mcic); in __inject_mchk()
1613 mchk->cr14 |= irq->u.mchk.cr14; in __inject_mchk()
1614 mchk->mcic |= irq->u.mchk.mcic; in __inject_mchk()
1615 mchk->ext_damage_code |= irq->u.mchk.ext_damage_code; in __inject_mchk()
1616 mchk->failing_storage_address = irq->u.mchk.failing_storage_address; in __inject_mchk()
1617 memcpy(&mchk->fixed_logout, &irq->u.mchk.fixed_logout, in __inject_mchk()
1618 sizeof(mchk->fixed_logout)); in __inject_mchk()
1619 if (mchk->mcic & MCHK_EX_MASK) in __inject_mchk()
1620 set_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __inject_mchk()
1621 else if (mchk->mcic & MCHK_REP_MASK) in __inject_mchk()
1622 set_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __inject_mchk()
1628 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_ckc()
1630 vcpu->stat.inject_ckc++; in __inject_ckc()
1632 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __inject_ckc()
1635 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __inject_ckc()
1642 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_cpu_timer()
1644 vcpu->stat.inject_cputm++; in __inject_cpu_timer()
1646 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __inject_cpu_timer()
1649 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __inject_cpu_timer()
1657 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in get_io_int()
1658 struct list_head *isc_list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in get_io_int()
1663 spin_lock(&fi->lock); in get_io_int()
1665 if (schid && (id != iter->io.subchannel_id || in get_io_int()
1666 nr != iter->io.subchannel_nr)) in get_io_int()
1669 list_del_init(&iter->list); in get_io_int()
1670 fi->counters[FIRQ_CNTR_IO] -= 1; in get_io_int()
1672 clear_bit(isc_to_irq_type(isc), &fi->pending_irqs); in get_io_int()
1673 spin_unlock(&fi->lock); in get_io_int()
1676 spin_unlock(&fi->lock); in get_io_int()
1695 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_top_gisa_isc()
1701 if (!gi->origin) in get_top_gisa_isc()
1704 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1706 isc = __fls(active_mask) ^ (BITS_PER_LONG - 1); in get_top_gisa_isc()
1707 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1712 return -EINVAL; in get_top_gisa_isc()
1730 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_get_io_int()
1746 if (int_word_to_isc(inti->io.io_int_word) <= isc) { in kvm_s390_get_io_int()
1748 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1754 tmp_inti->type = KVM_S390_INT_IO(1, 0, 0, 0); in kvm_s390_get_io_int()
1755 tmp_inti->io.io_int_word = isc_to_int_word(isc); in kvm_s390_get_io_int()
1760 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1768 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_service()
1770 kvm->stat.inject_service_signal++; in __inject_service()
1771 spin_lock(&fi->lock); in __inject_service()
1772 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_EVENT_PENDING; in __inject_service()
1775 if (fi->srv_signal.ext_params & SCCB_EVENT_PENDING) in __inject_service()
1776 set_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __inject_service()
1786 if (fi->srv_signal.ext_params & SCCB_MASK) in __inject_service()
1788 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_MASK; in __inject_service()
1789 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __inject_service()
1791 spin_unlock(&fi->lock); in __inject_service()
1799 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_virtio()
1801 kvm->stat.inject_virtio++; in __inject_virtio()
1802 spin_lock(&fi->lock); in __inject_virtio()
1803 if (fi->counters[FIRQ_CNTR_VIRTIO] >= KVM_S390_MAX_VIRTIO_IRQS) { in __inject_virtio()
1804 spin_unlock(&fi->lock); in __inject_virtio()
1805 return -EBUSY; in __inject_virtio()
1807 fi->counters[FIRQ_CNTR_VIRTIO] += 1; in __inject_virtio()
1808 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_VIRTIO]); in __inject_virtio()
1809 set_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __inject_virtio()
1810 spin_unlock(&fi->lock); in __inject_virtio()
1817 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_pfault_done()
1819 kvm->stat.inject_pfault_done++; in __inject_pfault_done()
1820 spin_lock(&fi->lock); in __inject_pfault_done()
1821 if (fi->counters[FIRQ_CNTR_PFAULT] >= in __inject_pfault_done()
1823 spin_unlock(&fi->lock); in __inject_pfault_done()
1824 return -EBUSY; in __inject_pfault_done()
1826 fi->counters[FIRQ_CNTR_PFAULT] += 1; in __inject_pfault_done()
1827 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_PFAULT]); in __inject_pfault_done()
1828 set_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __inject_pfault_done()
1829 spin_unlock(&fi->lock); in __inject_pfault_done()
1837 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_float_mchk()
1839 kvm->stat.inject_float_mchk++; in __inject_float_mchk()
1840 spin_lock(&fi->lock); in __inject_float_mchk()
1841 fi->mchk.cr14 |= inti->mchk.cr14 & (1UL << CR_PENDING_SUBCLASS); in __inject_float_mchk()
1842 fi->mchk.mcic |= inti->mchk.mcic; in __inject_float_mchk()
1843 set_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs); in __inject_float_mchk()
1844 spin_unlock(&fi->lock); in __inject_float_mchk()
1851 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __inject_io()
1856 kvm->stat.inject_io++; in __inject_io()
1857 isc = int_word_to_isc(inti->io.io_int_word); in __inject_io()
1865 if (gi->origin && inti->type & KVM_S390_INT_IO_AI_MASK) { in __inject_io()
1867 gisa_set_ipm_gisc(gi->origin, isc); in __inject_io()
1872 fi = &kvm->arch.float_int; in __inject_io()
1873 spin_lock(&fi->lock); in __inject_io()
1874 if (fi->counters[FIRQ_CNTR_IO] >= KVM_S390_MAX_FLOAT_IRQS) { in __inject_io()
1875 spin_unlock(&fi->lock); in __inject_io()
1876 return -EBUSY; in __inject_io()
1878 fi->counters[FIRQ_CNTR_IO] += 1; in __inject_io()
1880 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __inject_io()
1884 inti->io.subchannel_id >> 8, in __inject_io()
1885 inti->io.subchannel_id >> 1 & 0x3, in __inject_io()
1886 inti->io.subchannel_nr); in __inject_io()
1887 list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in __inject_io()
1888 list_add_tail(&inti->list, list); in __inject_io()
1889 set_bit(isc_to_irq_type(isc), &fi->pending_irqs); in __inject_io()
1890 spin_unlock(&fi->lock); in __inject_io()
1902 online_vcpus = atomic_read(&kvm->online_vcpus); in __floating_irq_kick()
1906 for (sigcpu = kvm->arch.float_int.last_sleep_cpu; ; sigcpu++) { in __floating_irq_kick()
1923 kvm->arch.gisa_int.origin) || in __floating_irq_kick()
1936 u64 type = READ_ONCE(inti->type); in __inject_vm()
1956 rc = -EINVAL; in __inject_vm()
1973 return -ENOMEM; in kvm_s390_inject_vm()
1975 inti->type = s390int->type; in kvm_s390_inject_vm()
1976 switch (inti->type) { in kvm_s390_inject_vm()
1979 s390int->parm, s390int->parm64); in kvm_s390_inject_vm()
1980 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
1981 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
1984 VM_EVENT(kvm, 4, "inject: sclp parm:%x", s390int->parm); in kvm_s390_inject_vm()
1985 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
1988 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
1992 s390int->parm64); in kvm_s390_inject_vm()
1993 inti->mchk.cr14 = s390int->parm; /* upper bits are not used */ in kvm_s390_inject_vm()
1994 inti->mchk.mcic = s390int->parm64; in kvm_s390_inject_vm()
1997 inti->io.subchannel_id = s390int->parm >> 16; in kvm_s390_inject_vm()
1998 inti->io.subchannel_nr = s390int->parm & 0x0000ffffu; in kvm_s390_inject_vm()
1999 inti->io.io_int_parm = s390int->parm64 >> 32; in kvm_s390_inject_vm()
2000 inti->io.io_int_word = s390int->parm64 & 0x00000000ffffffffull; in kvm_s390_inject_vm()
2004 return -EINVAL; in kvm_s390_inject_vm()
2006 trace_kvm_s390_inject_vm(s390int->type, s390int->parm, s390int->parm64, in kvm_s390_inject_vm()
2024 irq->type = s390int->type; in s390int_to_s390irq()
2025 switch (irq->type) { in s390int_to_s390irq()
2027 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2028 return -EINVAL; in s390int_to_s390irq()
2029 irq->u.pgm.code = s390int->parm; in s390int_to_s390irq()
2032 irq->u.prefix.address = s390int->parm; in s390int_to_s390irq()
2035 irq->u.stop.flags = s390int->parm; in s390int_to_s390irq()
2038 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2039 return -EINVAL; in s390int_to_s390irq()
2040 irq->u.extcall.code = s390int->parm; in s390int_to_s390irq()
2043 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2044 return -EINVAL; in s390int_to_s390irq()
2045 irq->u.emerg.code = s390int->parm; in s390int_to_s390irq()
2048 irq->u.mchk.mcic = s390int->parm64; in s390int_to_s390irq()
2051 irq->u.ext.ext_params = s390int->parm; in s390int_to_s390irq()
2052 irq->u.ext.ext_params2 = s390int->parm64; in s390int_to_s390irq()
2059 return -EINVAL; in s390int_to_s390irq()
2066 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_stop_irq_pending()
2068 return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_is_stop_irq_pending()
2073 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_restart_irq_pending()
2075 return test_bit(IRQ_PEND_RESTART, &li->pending_irqs); in kvm_s390_is_restart_irq_pending()
2080 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_stop_irq()
2082 spin_lock(&li->lock); in kvm_s390_clear_stop_irq()
2083 li->irq.stop.flags = 0; in kvm_s390_clear_stop_irq()
2084 clear_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_clear_stop_irq()
2085 spin_unlock(&li->lock); in kvm_s390_clear_stop_irq()
2092 switch (irq->type) { in do_inject_vcpu()
2127 rc = -EINVAL; in do_inject_vcpu()
2135 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_inject_vcpu()
2138 spin_lock(&li->lock); in kvm_s390_inject_vcpu()
2140 spin_unlock(&li->lock); in kvm_s390_inject_vcpu()
2151 list_del(&inti->list); in clear_irq_list()
2159 irq->type = inti->type; in inti_to_irq()
2160 switch (inti->type) { in inti_to_irq()
2164 irq->u.ext = inti->ext; in inti_to_irq()
2167 irq->u.io = inti->io; in inti_to_irq()
2174 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_clear_float_irqs()
2177 mutex_lock(&kvm->lock); in kvm_s390_clear_float_irqs()
2179 fi->masked_irqs = 0; in kvm_s390_clear_float_irqs()
2180 mutex_unlock(&kvm->lock); in kvm_s390_clear_float_irqs()
2181 spin_lock(&fi->lock); in kvm_s390_clear_float_irqs()
2182 fi->pending_irqs = 0; in kvm_s390_clear_float_irqs()
2183 memset(&fi->srv_signal, 0, sizeof(fi->srv_signal)); in kvm_s390_clear_float_irqs()
2184 memset(&fi->mchk, 0, sizeof(fi->mchk)); in kvm_s390_clear_float_irqs()
2186 clear_irq_list(&fi->lists[i]); in kvm_s390_clear_float_irqs()
2188 fi->counters[i] = 0; in kvm_s390_clear_float_irqs()
2189 spin_unlock(&fi->lock); in kvm_s390_clear_float_irqs()
2195 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_all_floating_irqs()
2206 return -EINVAL; in get_all_floating_irqs()
2209 * We are already using -ENOMEM to signal in get_all_floating_irqs()
2215 return -ENOBUFS; in get_all_floating_irqs()
2219 if (gi->origin && gisa_get_ipm(gi->origin)) { in get_all_floating_irqs()
2223 ret = -ENOMEM; in get_all_floating_irqs()
2226 if (gisa_tac_ipm_gisc(gi->origin, i)) { in get_all_floating_irqs()
2228 irq->type = KVM_S390_INT_IO(1, 0, 0, 0); in get_all_floating_irqs()
2229 irq->u.io.io_int_word = isc_to_int_word(i); in get_all_floating_irqs()
2234 fi = &kvm->arch.float_int; in get_all_floating_irqs()
2235 spin_lock(&fi->lock); in get_all_floating_irqs()
2237 list_for_each_entry(inti, &fi->lists[i], list) { in get_all_floating_irqs()
2240 ret = -ENOMEM; in get_all_floating_irqs()
2247 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs) || in get_all_floating_irqs()
2248 test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs)) { in get_all_floating_irqs()
2251 ret = -ENOMEM; in get_all_floating_irqs()
2255 irq->type = KVM_S390_INT_SERVICE; in get_all_floating_irqs()
2256 irq->u.ext = fi->srv_signal; in get_all_floating_irqs()
2259 if (test_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in get_all_floating_irqs()
2262 ret = -ENOMEM; in get_all_floating_irqs()
2266 irq->type = KVM_S390_MCHK; in get_all_floating_irqs()
2267 irq->u.mchk = fi->mchk; in get_all_floating_irqs()
2272 spin_unlock(&fi->lock); in get_all_floating_irqs()
2276 ret = -EFAULT; in get_all_floating_irqs()
2285 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_get_all()
2288 if (attr->attr < sizeof(ais)) in flic_ais_mode_get_all()
2289 return -EINVAL; in flic_ais_mode_get_all()
2292 return -EOPNOTSUPP; in flic_ais_mode_get_all()
2294 mutex_lock(&fi->ais_lock); in flic_ais_mode_get_all()
2295 ais.simm = fi->simm; in flic_ais_mode_get_all()
2296 ais.nimm = fi->nimm; in flic_ais_mode_get_all()
2297 mutex_unlock(&fi->ais_lock); in flic_ais_mode_get_all()
2299 if (copy_to_user((void __user *)attr->addr, &ais, sizeof(ais))) in flic_ais_mode_get_all()
2300 return -EFAULT; in flic_ais_mode_get_all()
2309 switch (attr->group) { in flic_get_attr()
2311 r = get_all_floating_irqs(dev->kvm, (u8 __user *) attr->addr, in flic_get_attr()
2312 attr->attr); in flic_get_attr()
2315 r = flic_ais_mode_get_all(dev->kvm, attr); in flic_get_attr()
2318 r = -EINVAL; in flic_get_attr()
2332 if (get_user(inti->type, (u64 __user *)addr)) in copy_irq_from_user()
2333 return -EFAULT; in copy_irq_from_user()
2335 switch (inti->type) { in copy_irq_from_user()
2340 target = (void *) &inti->ext; in copy_irq_from_user()
2341 source = &uptr->u.ext; in copy_irq_from_user()
2342 size = sizeof(inti->ext); in copy_irq_from_user()
2345 target = (void *) &inti->io; in copy_irq_from_user()
2346 source = &uptr->u.io; in copy_irq_from_user()
2347 size = sizeof(inti->io); in copy_irq_from_user()
2350 target = (void *) &inti->mchk; in copy_irq_from_user()
2351 source = &uptr->u.mchk; in copy_irq_from_user()
2352 size = sizeof(inti->mchk); in copy_irq_from_user()
2355 return -EINVAL; in copy_irq_from_user()
2359 return -EFAULT; in copy_irq_from_user()
2369 int len = attr->attr; in enqueue_floating_irq()
2372 return -EINVAL; in enqueue_floating_irq()
2374 return -EINVAL; in enqueue_floating_irq()
2379 return -ENOMEM; in enqueue_floating_irq()
2381 r = copy_irq_from_user(inti, attr->addr); in enqueue_floating_irq()
2386 r = __inject_vm(dev->kvm, inti); in enqueue_floating_irq()
2391 len -= sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2392 attr->addr += sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2403 return kvm->arch.adapters[id]; in get_io_adapter()
2413 (void __user *)attr->addr, sizeof(adapter_info))) in register_io_adapter()
2414 return -EFAULT; in register_io_adapter()
2417 return -EINVAL; in register_io_adapter()
2422 if (dev->kvm->arch.adapters[adapter_info.id] != NULL) in register_io_adapter()
2423 return -EINVAL; in register_io_adapter()
2427 return -ENOMEM; in register_io_adapter()
2429 adapter->id = adapter_info.id; in register_io_adapter()
2430 adapter->isc = adapter_info.isc; in register_io_adapter()
2431 adapter->maskable = adapter_info.maskable; in register_io_adapter()
2432 adapter->masked = false; in register_io_adapter()
2433 adapter->swap = adapter_info.swap; in register_io_adapter()
2434 adapter->suppressible = (adapter_info.flags) & in register_io_adapter()
2436 dev->kvm->arch.adapters[adapter->id] = adapter; in register_io_adapter()
2446 if (!adapter || !adapter->maskable) in kvm_s390_mask_adapter()
2447 return -EINVAL; in kvm_s390_mask_adapter()
2448 ret = adapter->masked; in kvm_s390_mask_adapter()
2449 adapter->masked = masked; in kvm_s390_mask_adapter()
2458 kfree(kvm->arch.adapters[i]); in kvm_s390_destroy_adapters()
2468 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_io_adapter()
2469 return -EFAULT; in modify_io_adapter()
2471 adapter = get_io_adapter(dev->kvm, req.id); in modify_io_adapter()
2473 return -EINVAL; in modify_io_adapter()
2476 ret = kvm_s390_mask_adapter(dev->kvm, req.id, req.mask); in modify_io_adapter()
2481 * The following operations are no longer needed and therefore no-ops. in modify_io_adapter()
2490 ret = -EINVAL; in modify_io_adapter()
2502 if (attr->flags) in clear_io_irq()
2503 return -EINVAL; in clear_io_irq()
2504 if (attr->attr != sizeof(schid)) in clear_io_irq()
2505 return -EINVAL; in clear_io_irq()
2506 if (copy_from_user(&schid, (void __user *) attr->addr, sizeof(schid))) in clear_io_irq()
2507 return -EFAULT; in clear_io_irq()
2509 return -EINVAL; in clear_io_irq()
2521 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in modify_ais_mode()
2526 return -EOPNOTSUPP; in modify_ais_mode()
2528 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_ais_mode()
2529 return -EFAULT; in modify_ais_mode()
2532 return -EINVAL; in modify_ais_mode()
2535 (fi->simm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2536 (fi->nimm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2540 mutex_lock(&fi->ais_lock); in modify_ais_mode()
2543 fi->simm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2544 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2547 fi->simm |= AIS_MODE_MASK(req.isc); in modify_ais_mode()
2548 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2551 ret = -EINVAL; in modify_ais_mode()
2553 mutex_unlock(&fi->ais_lock); in modify_ais_mode()
2561 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_inject_airq()
2565 .parm64 = isc_to_int_word(adapter->isc), in kvm_s390_inject_airq()
2569 if (!test_kvm_facility(kvm, 72) || !adapter->suppressible) in kvm_s390_inject_airq()
2572 mutex_lock(&fi->ais_lock); in kvm_s390_inject_airq()
2573 if (fi->nimm & AIS_MODE_MASK(adapter->isc)) { in kvm_s390_inject_airq()
2574 trace_kvm_s390_airq_suppressed(adapter->id, adapter->isc); in kvm_s390_inject_airq()
2579 if (!ret && (fi->simm & AIS_MODE_MASK(adapter->isc))) { in kvm_s390_inject_airq()
2580 fi->nimm |= AIS_MODE_MASK(adapter->isc); in kvm_s390_inject_airq()
2581 trace_kvm_s390_modify_ais_mode(adapter->isc, in kvm_s390_inject_airq()
2585 mutex_unlock(&fi->ais_lock); in kvm_s390_inject_airq()
2591 unsigned int id = attr->attr; in flic_inject_airq()
2595 return -EINVAL; in flic_inject_airq()
2602 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_set_all()
2606 return -EOPNOTSUPP; in flic_ais_mode_set_all()
2608 if (copy_from_user(&ais, (void __user *)attr->addr, sizeof(ais))) in flic_ais_mode_set_all()
2609 return -EFAULT; in flic_ais_mode_set_all()
2611 mutex_lock(&fi->ais_lock); in flic_ais_mode_set_all()
2612 fi->simm = ais.simm; in flic_ais_mode_set_all()
2613 fi->nimm = ais.nimm; in flic_ais_mode_set_all()
2614 mutex_unlock(&fi->ais_lock); in flic_ais_mode_set_all()
2625 switch (attr->group) { in flic_set_attr()
2630 kvm_s390_clear_float_irqs(dev->kvm); in flic_set_attr()
2633 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2634 return -EINVAL; in flic_set_attr()
2635 dev->kvm->arch.gmap->pfault_enabled = 1; in flic_set_attr()
2638 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2639 return -EINVAL; in flic_set_attr()
2640 dev->kvm->arch.gmap->pfault_enabled = 0; in flic_set_attr()
2646 synchronize_srcu(&dev->kvm->srcu); in flic_set_attr()
2647 kvm_for_each_vcpu(i, vcpu, dev->kvm) in flic_set_attr()
2657 r = clear_io_irq(dev->kvm, attr); in flic_set_attr()
2660 r = modify_ais_mode(dev->kvm, attr); in flic_set_attr()
2663 r = flic_inject_airq(dev->kvm, attr); in flic_set_attr()
2666 r = flic_ais_mode_set_all(dev->kvm, attr); in flic_set_attr()
2669 r = -EINVAL; in flic_set_attr()
2678 switch (attr->group) { in flic_has_attr()
2692 return -ENXIO; in flic_has_attr()
2698 return -EINVAL; in flic_create()
2699 if (dev->kvm->arch.flic) in flic_create()
2700 return -EINVAL; in flic_create()
2701 dev->kvm->arch.flic = dev; in flic_create()
2707 dev->kvm->arch.flic = NULL; in flic_destroy()
2713 .name = "kvm-flic",
2727 return swap ? (bit ^ (BITS_PER_LONG - 1)) : bit; in get_ind_bit()
2732 struct mm_struct *mm = kvm->mm; in get_map_page()
2757 ind_page = get_map_page(kvm, adapter_int->ind_addr); in adapter_indicators_set()
2759 return -1; in adapter_indicators_set()
2760 summary_page = get_map_page(kvm, adapter_int->summary_addr); in adapter_indicators_set()
2763 return -1; in adapter_indicators_set()
2766 idx = srcu_read_lock(&kvm->srcu); in adapter_indicators_set()
2768 bit = get_ind_bit(adapter_int->ind_addr, in adapter_indicators_set()
2769 adapter_int->ind_offset, adapter->swap); in adapter_indicators_set()
2771 mark_page_dirty(kvm, adapter_int->ind_addr >> PAGE_SHIFT); in adapter_indicators_set()
2774 bit = get_ind_bit(adapter_int->summary_addr, in adapter_indicators_set()
2775 adapter_int->summary_offset, adapter->swap); in adapter_indicators_set()
2777 mark_page_dirty(kvm, adapter_int->summary_addr >> PAGE_SHIFT); in adapter_indicators_set()
2779 srcu_read_unlock(&kvm->srcu, idx); in adapter_indicators_set()
2787 * < 0 - not injected due to error
2788 * = 0 - coalesced, summary indicator already active
2789 * > 0 - injected interrupt
2798 /* We're only interested in the 0->1 transition. */ in set_adapter_int()
2801 adapter = get_io_adapter(kvm, e->adapter.adapter_id); in set_adapter_int()
2803 return -1; in set_adapter_int()
2804 ret = adapter_indicators_set(kvm, adapter, &e->adapter); in set_adapter_int()
2805 if ((ret > 0) && !adapter->masked) { in set_adapter_int()
2826 mci.val = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2835 mchk->cr14 = cr14; in kvm_s390_reinject_machine_check()
2836 mchk->mcic = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2837 mchk->ext_damage_code = mcck_info->ext_damage_code; in kvm_s390_reinject_machine_check()
2838 mchk->failing_storage_address = mcck_info->failing_storage_address; in kvm_s390_reinject_machine_check()
2842 rc = __inject_vm(vcpu->kvm, &inti); in kvm_s390_reinject_machine_check()
2858 switch (ue->type) { in kvm_set_routing_entry()
2862 return -EINVAL; in kvm_set_routing_entry()
2863 e->set = set_adapter_int; in kvm_set_routing_entry()
2865 idx = srcu_read_lock(&kvm->srcu); in kvm_set_routing_entry()
2866 uaddr_s = gpa_to_hva(kvm, ue->u.adapter.summary_addr); in kvm_set_routing_entry()
2867 uaddr_i = gpa_to_hva(kvm, ue->u.adapter.ind_addr); in kvm_set_routing_entry()
2868 srcu_read_unlock(&kvm->srcu, idx); in kvm_set_routing_entry()
2871 return -EFAULT; in kvm_set_routing_entry()
2872 e->adapter.summary_addr = uaddr_s; in kvm_set_routing_entry()
2873 e->adapter.ind_addr = uaddr_i; in kvm_set_routing_entry()
2874 e->adapter.summary_offset = ue->u.adapter.summary_offset; in kvm_set_routing_entry()
2875 e->adapter.ind_offset = ue->u.adapter.ind_offset; in kvm_set_routing_entry()
2876 e->adapter.adapter_id = ue->u.adapter.adapter_id; in kvm_set_routing_entry()
2879 return -EINVAL; in kvm_set_routing_entry()
2886 return -EINVAL; in kvm_set_msi()
2891 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_set_irq_state()
2898 return -ENOMEM; in kvm_s390_set_irq_state()
2901 r = -EFAULT; in kvm_s390_set_irq_state()
2909 spin_lock(&li->lock); in kvm_s390_set_irq_state()
2910 if (li->pending_irqs) { in kvm_s390_set_irq_state()
2911 r = -EBUSY; in kvm_s390_set_irq_state()
2922 spin_unlock(&li->lock); in kvm_s390_set_irq_state()
2936 irq->type = KVM_S390_MCHK; in store_local_irq()
2937 irq->u.mchk = li->irq.mchk; in store_local_irq()
2940 irq->type = KVM_S390_PROGRAM_INT; in store_local_irq()
2941 irq->u.pgm = li->irq.pgm; in store_local_irq()
2944 irq->type = KVM_S390_INT_PFAULT_INIT; in store_local_irq()
2945 irq->u.ext = li->irq.ext; in store_local_irq()
2948 irq->type = KVM_S390_INT_EXTERNAL_CALL; in store_local_irq()
2949 irq->u.extcall = li->irq.extcall; in store_local_irq()
2952 irq->type = KVM_S390_INT_CLOCK_COMP; in store_local_irq()
2955 irq->type = KVM_S390_INT_CPU_TIMER; in store_local_irq()
2958 irq->type = KVM_S390_SIGP_STOP; in store_local_irq()
2959 irq->u.stop = li->irq.stop; in store_local_irq()
2962 irq->type = KVM_S390_RESTART; in store_local_irq()
2965 irq->type = KVM_S390_SIGP_SET_PREFIX; in store_local_irq()
2966 irq->u.prefix = li->irq.prefix; in store_local_irq()
2975 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_get_irq_state()
2982 spin_lock(&li->lock); in kvm_s390_get_irq_state()
2983 pending_irqs = li->pending_irqs; in kvm_s390_get_irq_state()
2984 memcpy(&sigp_emerg_pending, &li->sigp_emerg_pending, in kvm_s390_get_irq_state()
2986 spin_unlock(&li->lock); in kvm_s390_get_irq_state()
2993 return -ENOBUFS; in kvm_s390_get_irq_state()
2994 store_local_irq(&vcpu->arch.local_int, &irq, irq_type); in kvm_s390_get_irq_state()
2996 return -EFAULT; in kvm_s390_get_irq_state()
3004 return -ENOBUFS; in kvm_s390_get_irq_state()
3008 return -EFAULT; in kvm_s390_get_irq_state()
3015 return -ENOBUFS; in kvm_s390_get_irq_state()
3020 return -EFAULT; in kvm_s390_get_irq_state()
3029 int vcpu_idx, online_vcpus = atomic_read(&kvm->online_vcpus); in __airqs_kick_single_vcpu()
3030 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __airqs_kick_single_vcpu()
3034 for_each_set_bit(vcpu_idx, kvm->arch.idle_mask, online_vcpus) { in __airqs_kick_single_vcpu()
3038 vcpu_isc_mask = (u8)(vcpu->arch.sie_block->gcr[6] >> 24); in __airqs_kick_single_vcpu()
3041 if (test_and_set_bit(vcpu_idx, gi->kicked_mask)) in __airqs_kick_single_vcpu()
3054 container_of(gi->origin, struct sie_page2, gisa)->kvm; in gisa_vcpu_kicker()
3060 hrtimer_forward_now(timer, ns_to_ktime(gi->expires)); in gisa_vcpu_kicker()
3090 * for guests not in the yet cut-off alert list. When in the in process_gib_alert_list()
3091 * final loop, store the NULL_GISA_ADDR instead. This will re- in process_gib_alert_list()
3094 origin = xchg(&gib->alert_list_origin, in process_gib_alert_list()
3097 * Loop through the just cut-off alert list and start the in process_gib_alert_list()
3104 origin = gisa->next_alert; in process_gib_alert_list()
3105 gisa->next_alert = gisa_phys; in process_gib_alert_list()
3106 kvm = container_of(gisa, struct sie_page2, gisa)->kvm; in process_gib_alert_list()
3107 gi = &kvm->arch.gisa_int; in process_gib_alert_list()
3108 if (hrtimer_active(&gi->timer)) in process_gib_alert_list()
3109 hrtimer_cancel(&gi->timer); in process_gib_alert_list()
3110 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in process_gib_alert_list()
3118 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_clear()
3120 if (!gi->origin) in kvm_s390_gisa_clear()
3122 gisa_clear_ipm(gi->origin); in kvm_s390_gisa_clear()
3123 VM_EVENT(kvm, 3, "gisa 0x%p cleared", gi->origin); in kvm_s390_gisa_clear()
3128 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_init()
3132 gi->origin = &kvm->arch.sie_page2->gisa; in kvm_s390_gisa_init()
3133 gi->alert.mask = 0; in kvm_s390_gisa_init()
3134 spin_lock_init(&gi->alert.ref_lock); in kvm_s390_gisa_init()
3135 gi->expires = 50 * 1000; /* 50 usec */ in kvm_s390_gisa_init()
3136 hrtimer_setup(&gi->timer, gisa_vcpu_kicker, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in kvm_s390_gisa_init()
3137 memset(gi->origin, 0, sizeof(struct kvm_s390_gisa)); in kvm_s390_gisa_init()
3138 gi->origin->next_alert = (u32)virt_to_phys(gi->origin); in kvm_s390_gisa_init()
3139 VM_EVENT(kvm, 3, "gisa 0x%p initialized", gi->origin); in kvm_s390_gisa_init()
3144 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_enable()
3149 if (gi->origin) in kvm_s390_gisa_enable()
3156 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_enable()
3157 vcpu->arch.sie_block->gd = gisa_desc; in kvm_s390_gisa_enable()
3158 vcpu->arch.sie_block->eca |= ECA_AIV; in kvm_s390_gisa_enable()
3159 VCPU_EVENT(vcpu, 3, "AIV gisa format-%u enabled for cpu %03u", in kvm_s390_gisa_enable()
3160 vcpu->arch.sie_block->gd & 0x3, vcpu->vcpu_id); in kvm_s390_gisa_enable()
3161 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_enable()
3167 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_destroy()
3168 struct kvm_s390_gisa *gisa = gi->origin; in kvm_s390_gisa_destroy()
3170 if (!gi->origin) in kvm_s390_gisa_destroy()
3172 WARN(gi->alert.mask != 0x00, in kvm_s390_gisa_destroy()
3174 gi->alert.mask); in kvm_s390_gisa_destroy()
3175 gi->alert.mask = 0x00; in kvm_s390_gisa_destroy()
3176 if (gisa_set_iam(gi->origin, gi->alert.mask)) in kvm_s390_gisa_destroy()
3178 hrtimer_cancel(&gi->timer); in kvm_s390_gisa_destroy()
3179 gi->origin = NULL; in kvm_s390_gisa_destroy()
3185 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_disable()
3189 if (!gi->origin) in kvm_s390_gisa_disable()
3192 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_disable()
3193 vcpu->arch.sie_block->eca &= ~ECA_AIV; in kvm_s390_gisa_disable()
3194 vcpu->arch.sie_block->gd = 0U; in kvm_s390_gisa_disable()
3195 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_disable()
3196 VCPU_EVENT(vcpu, 3, "AIV disabled for cpu %03u", vcpu->vcpu_id); in kvm_s390_gisa_disable()
3202 * kvm_s390_gisc_register - register a guest ISC
3215 * -ENODEV in case the vm uses no GISA
3216 * -ERANGE in case the guest ISC is invalid
3220 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_register()
3222 if (!gi->origin) in kvm_s390_gisc_register()
3223 return -ENODEV; in kvm_s390_gisc_register()
3225 return -ERANGE; in kvm_s390_gisc_register()
3227 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3228 gi->alert.ref_count[gisc]++; in kvm_s390_gisc_register()
3229 if (gi->alert.ref_count[gisc] == 1) { in kvm_s390_gisc_register()
3230 gi->alert.mask |= 0x80 >> gisc; in kvm_s390_gisc_register()
3231 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_register()
3233 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3235 return gib->nisc; in kvm_s390_gisc_register()
3240 * kvm_s390_gisc_unregister - unregister a guest ISC
3253 * -ENODEV in case the vm uses no GISA
3254 * -ERANGE in case the guest ISC is invalid
3255 * -EINVAL in case the guest ISC is not registered
3259 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_unregister()
3262 if (!gi->origin) in kvm_s390_gisc_unregister()
3263 return -ENODEV; in kvm_s390_gisc_unregister()
3265 return -ERANGE; in kvm_s390_gisc_unregister()
3267 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3268 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3269 rc = -EINVAL; in kvm_s390_gisc_unregister()
3272 gi->alert.ref_count[gisc]--; in kvm_s390_gisc_unregister()
3273 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3274 gi->alert.mask &= ~(0x80 >> gisc); in kvm_s390_gisc_unregister()
3275 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_unregister()
3278 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3290 gaite = (struct zpci_gaite *)aift->gait + in aen_host_forward()
3292 if (gaite->count == 0) in aen_host_forward()
3294 if (gaite->aisb != 0) in aen_host_forward()
3295 set_bit_inv(gaite->aisbo, phys_to_virt(gaite->aisb)); in aen_host_forward()
3300 gi = &kvm->arch.gisa_int; in aen_host_forward()
3302 if (!(gi->origin->g1.simm & AIS_MODE_MASK(gaite->gisc)) || in aen_host_forward()
3303 !(gi->origin->g1.nimm & AIS_MODE_MASK(gaite->gisc))) { in aen_host_forward()
3304 gisa_set_ipm_gisc(gi->origin, gaite->gisc); in aen_host_forward()
3305 if (hrtimer_active(&gi->timer)) in aen_host_forward()
3306 hrtimer_cancel(&gi->timer); in aen_host_forward()
3307 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in aen_host_forward()
3308 kvm->stat.aen_forward++; in aen_host_forward()
3318 spin_lock_irqsave(&aift->gait_lock, flags); in aen_process_gait()
3320 if (!aift->gait) { in aen_process_gait()
3321 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3327 si = airq_iv_scan(aift->sbv, si, airq_iv_end(aift->sbv)); in aen_process_gait()
3328 if (si == -1UL) { in aen_process_gait()
3330 /* Re-enable interrupts. */ in aen_process_gait()
3340 /* Scan again after re-enabling interrupts */ in aen_process_gait()
3347 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3357 if ((info->forward || info->error) && in gib_alert_irq_handler()
3359 aen_process_gait(info->isc); in gib_alert_irq_handler()
3360 if (info->aism != 0) in gib_alert_irq_handler()
3376 mutex_lock(&aift->aift_lock); in kvm_s390_gib_destroy()
3378 mutex_unlock(&aift->aift_lock); in kvm_s390_gib_destroy()
3398 rc = -ENOMEM; in kvm_s390_gib_init()
3405 rc = -EIO; in kvm_s390_gib_init()
3411 gib->nisc = nisc; in kvm_s390_gib_init()
3417 rc = -EIO; in kvm_s390_gib_init()
3424 rc = -EIO; in kvm_s390_gib_init()
3429 KVM_EVENT(3, "gib 0x%p (nisc=%d) initialized", gib, gib->nisc); in kvm_s390_gib_init()