Lines Matching +full:async +full:- +full:prefix
1 // SPDX-License-Identifier: GPL-2.0
10 #define KMSG_COMPONENT "kvm-s390"
22 #include <asm/access-regs.h>
23 #include <asm/asm-offsets.h>
32 #include "kvm-s390.h"
34 #include "trace-s390.h"
52 read_lock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
53 if (vcpu->kvm->arch.use_esca) { in sca_ext_call_pending()
54 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
56 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
61 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
63 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
68 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
81 read_lock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
82 if (vcpu->kvm->arch.use_esca) { in sca_inject_ext_call()
83 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
85 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
94 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
96 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
98 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
107 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
109 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
113 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()
130 WRITE_ONCE(sigp_ctrl->value, 0); in sca_clear_ext_call()
132 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
134 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_clear_ext_call()
136 WRITE_ONCE(sigp_ctrl->value, 0); in sca_clear_ext_call()
138 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_clear_ext_call()
143 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT); in psw_extint_disabled()
148 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_IO); in psw_ioint_disabled()
153 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_MCHECK); in psw_mchk_disabled()
166 !(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in ckc_interrupts_enabled()
176 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in ckc_irq_pending()
177 const u64 ckc = vcpu->arch.sie_block->ckc; in ckc_irq_pending()
179 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in ckc_irq_pending()
191 (vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK); in cpu_timer_interrupts_enabled()
225 * gisa_set_iam - change the GISA interruption alert mask
235 * -EBUSY in case the gisa is part of the alert list
241 word = READ_ONCE(gisa->u64.word[0]); in gisa_set_iam()
244 return -EBUSY; in gisa_set_iam()
246 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_set_iam()
252 * gisa_clear_ipm - clear the GISA interruption pending mask
264 word = READ_ONCE(gisa->u64.word[0]); in gisa_clear_ipm()
267 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_clear_ipm()
271 * gisa_get_ipm_or_restore_iam - return IPM or restore GISA IAM
285 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
287 alert_mask = READ_ONCE(gi->alert.mask); in gisa_get_ipm_or_restore_iam()
292 } while (!try_cmpxchg(&gi->origin->u64.word[0], &word, _word)); in gisa_get_ipm_or_restore_iam()
304 return READ_ONCE(gisa->ipm); in gisa_get_ipm()
314 unsigned long pending = vcpu->kvm->arch.float_int.pending_irqs | in pending_irqs_no_gisa()
315 vcpu->arch.local_int.pending_irqs; in pending_irqs_no_gisa()
317 pending &= ~vcpu->kvm->arch.float_int.masked_irqs; in pending_irqs_no_gisa()
323 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in pending_irqs()
327 if (gi->origin) in pending_irqs()
328 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
334 return IRQ_PEND_IO_ISC_0 - isc; in isc_to_irq_type()
339 return IRQ_PEND_IO_ISC_0 - irq_type; in irq_type_to_isc()
348 if (!(vcpu->arch.sie_block->gcr[6] & isc_to_isc_bits(i))) in disable_iscs()
368 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in deliverable_irqs()
370 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EMERGENCY_SIGNAL_SUBMASK)) in deliverable_irqs()
372 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in deliverable_irqs()
374 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK)) in deliverable_irqs()
376 if (!(vcpu->arch.sie_block->gcr[0] & CR0_SERVICE_SIGNAL_SUBMASK)) { in deliverable_irqs()
384 vcpu->arch.sie_block->iictl != IICTL_CODE_NONE) in deliverable_irqs()
392 if (!(vcpu->arch.sie_block->gcr[14] & in deliverable_irqs()
393 (vcpu->kvm->arch.float_int.mchk.cr14 | in deliverable_irqs()
394 vcpu->arch.local_int.irq.mchk.cr14))) in deliverable_irqs()
409 set_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __set_cpu_idle()
415 clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __unset_cpu_idle()
422 vcpu->arch.sie_block->lctl = 0x0000; in __reset_intercept_indicators()
423 vcpu->arch.sie_block->ictl &= ~(ICTL_LPSW | ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
426 vcpu->arch.sie_block->lctl |= (LCTL_CR0 | LCTL_CR9 | in __reset_intercept_indicators()
428 vcpu->arch.sie_block->ictl |= (ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
439 vcpu->arch.sie_block->lctl |= LCTL_CR6; in set_intercept_indicators_io()
449 vcpu->arch.sie_block->lctl |= LCTL_CR0; in set_intercept_indicators_ext()
457 vcpu->arch.sie_block->ictl |= ICTL_LPSW; in set_intercept_indicators_mchk()
459 vcpu->arch.sie_block->lctl |= LCTL_CR14; in set_intercept_indicators_mchk()
468 /* Set interception request for non-deliverable interrupts */
479 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_cpu_timer()
482 vcpu->stat.deliver_cputm++; in __deliver_cpu_timer()
483 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __deliver_cpu_timer()
486 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_cpu_timer()
487 vcpu->arch.sie_block->eic = EXT_IRQ_CPU_TIMER; in __deliver_cpu_timer()
493 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
495 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
497 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __deliver_cpu_timer()
498 return rc ? -EFAULT : 0; in __deliver_cpu_timer()
503 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_ckc()
506 vcpu->stat.deliver_ckc++; in __deliver_ckc()
507 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __deliver_ckc()
510 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_ckc()
511 vcpu->arch.sie_block->eic = EXT_IRQ_CLK_COMP; in __deliver_ckc()
517 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
519 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
521 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __deliver_ckc()
522 return rc ? -EFAULT : 0; in __deliver_ckc()
527 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_pfault_init()
531 spin_lock(&li->lock); in __deliver_pfault_init()
532 ext = li->irq.ext; in __deliver_pfault_init()
533 clear_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __deliver_pfault_init()
534 li->irq.ext.ext_params2 = 0; in __deliver_pfault_init()
535 spin_unlock(&li->lock); in __deliver_pfault_init()
539 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_init()
546 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
548 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
550 return rc ? -EFAULT : 0; in __deliver_pfault_init()
569 vcpu->arch.sie_block->iictl = IICTL_CODE_MCHK; in __write_machine_check()
570 vcpu->arch.sie_block->mcic = mchk->mcic; in __write_machine_check()
571 vcpu->arch.sie_block->faddr = mchk->failing_storage_address; in __write_machine_check()
572 vcpu->arch.sie_block->edc = mchk->ext_damage_code; in __write_machine_check()
576 mci.val = mchk->mcic; in __write_machine_check()
578 kvm_s390_fpu_store(vcpu->run); in __write_machine_check()
579 save_access_regs(vcpu->run->s.regs.acrs); in __write_machine_check()
580 if (MACHINE_HAS_GS && vcpu->arch.gs_enabled) in __write_machine_check()
581 save_gs_cb(current->thread.gs_cb); in __write_machine_check()
586 /* Only bits 0 through 63-LC are used for address formation */ in __write_machine_check()
588 if (test_kvm_facility(vcpu->kvm, 133)) { in __write_machine_check()
608 if (!rc && mci.vr && ext_sa_addr && test_kvm_facility(vcpu->kvm, 129)) { in __write_machine_check()
609 if (write_guest_abs(vcpu, ext_sa_addr, vcpu->run->s.regs.vrs, in __write_machine_check()
615 if (!rc && mci.gs && ext_sa_addr && test_kvm_facility(vcpu->kvm, 133) in __write_machine_check()
618 &vcpu->run->s.regs.gscb, 32)) in __write_machine_check()
627 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
629 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
632 /* Register-save areas */ in __write_machine_check()
634 convert_vx_to_fp(fprs, (__vector128 *) vcpu->run->s.regs.vrs); in __write_machine_check()
638 vcpu->run->s.regs.fprs, 128); in __write_machine_check()
641 vcpu->run->s.regs.gprs, 128); in __write_machine_check()
642 rc |= put_guest_lc(vcpu, vcpu->run->s.regs.fpc, in __write_machine_check()
644 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->todpr, in __write_machine_check()
648 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->ckc >> 8, in __write_machine_check()
651 &vcpu->run->s.regs.acrs, 64); in __write_machine_check()
653 &vcpu->arch.sie_block->gcr, 128); in __write_machine_check()
656 rc |= put_guest_lc(vcpu, mchk->ext_damage_code, in __write_machine_check()
658 rc |= put_guest_lc(vcpu, mchk->failing_storage_address, in __write_machine_check()
660 rc |= write_guest_lc(vcpu, __LC_PSW_SAVE_AREA, &mchk->fixed_logout, in __write_machine_check()
661 sizeof(mchk->fixed_logout)); in __write_machine_check()
662 return rc ? -EFAULT : 0; in __write_machine_check()
667 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_machine_check()
668 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_machine_check()
673 spin_lock(&fi->lock); in __deliver_machine_check()
674 spin_lock(&li->lock); in __deliver_machine_check()
675 if (test_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs) || in __deliver_machine_check()
676 test_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs)) { in __deliver_machine_check()
683 mchk = li->irq.mchk; in __deliver_machine_check()
684 clear_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __deliver_machine_check()
685 clear_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __deliver_machine_check()
686 memset(&li->irq.mchk, 0, sizeof(mchk)); in __deliver_machine_check()
695 if (test_and_clear_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in __deliver_machine_check()
696 mchk.mcic |= fi->mchk.mcic; in __deliver_machine_check()
697 mchk.cr14 |= fi->mchk.cr14; in __deliver_machine_check()
698 memset(&fi->mchk, 0, sizeof(mchk)); in __deliver_machine_check()
701 spin_unlock(&li->lock); in __deliver_machine_check()
702 spin_unlock(&fi->lock); in __deliver_machine_check()
707 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_machine_check()
710 vcpu->stat.deliver_machine_check++; in __deliver_machine_check()
718 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_restart()
722 vcpu->stat.deliver_restart_signal++; in __deliver_restart()
723 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __deliver_restart()
726 vcpu->arch.sie_block->iictl = IICTL_CODE_RESTART; in __deliver_restart()
730 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
732 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
734 clear_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __deliver_restart()
735 return rc ? -EFAULT : 0; in __deliver_restart()
740 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_set_prefix()
741 struct kvm_s390_prefix_info prefix; in __deliver_set_prefix() local
743 spin_lock(&li->lock); in __deliver_set_prefix()
744 prefix = li->irq.prefix; in __deliver_set_prefix()
745 li->irq.prefix.address = 0; in __deliver_set_prefix()
746 clear_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __deliver_set_prefix()
747 spin_unlock(&li->lock); in __deliver_set_prefix()
749 vcpu->stat.deliver_prefix_signal++; in __deliver_set_prefix()
750 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_set_prefix()
752 prefix.address, 0); in __deliver_set_prefix()
754 kvm_s390_set_prefix(vcpu, prefix.address); in __deliver_set_prefix()
760 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_emergency_signal()
764 spin_lock(&li->lock); in __deliver_emergency_signal()
765 cpu_addr = find_first_bit(li->sigp_emerg_pending, KVM_MAX_VCPUS); in __deliver_emergency_signal()
766 clear_bit(cpu_addr, li->sigp_emerg_pending); in __deliver_emergency_signal()
767 if (bitmap_empty(li->sigp_emerg_pending, KVM_MAX_VCPUS)) in __deliver_emergency_signal()
768 clear_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __deliver_emergency_signal()
769 spin_unlock(&li->lock); in __deliver_emergency_signal()
772 vcpu->stat.deliver_emergency_signal++; in __deliver_emergency_signal()
773 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __deliver_emergency_signal()
776 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_emergency_signal()
777 vcpu->arch.sie_block->eic = EXT_IRQ_EMERGENCY_SIG; in __deliver_emergency_signal()
778 vcpu->arch.sie_block->extcpuaddr = cpu_addr; in __deliver_emergency_signal()
786 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
788 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
789 return rc ? -EFAULT : 0; in __deliver_emergency_signal()
794 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_external_call()
798 spin_lock(&li->lock); in __deliver_external_call()
799 extcall = li->irq.extcall; in __deliver_external_call()
800 li->irq.extcall.code = 0; in __deliver_external_call()
801 clear_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in __deliver_external_call()
802 spin_unlock(&li->lock); in __deliver_external_call()
805 vcpu->stat.deliver_external_call++; in __deliver_external_call()
806 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_external_call()
810 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_external_call()
811 vcpu->arch.sie_block->eic = EXT_IRQ_EXTERNAL_CALL; in __deliver_external_call()
812 vcpu->arch.sie_block->extcpuaddr = extcall.code; in __deliver_external_call()
820 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_external_call()
821 rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, in __deliver_external_call()
823 return rc ? -EFAULT : 0; in __deliver_external_call()
830 vcpu->arch.sie_block->iictl = IICTL_CODE_SPECIFICATION; in __deliver_prog_pv()
833 vcpu->arch.sie_block->iictl = IICTL_CODE_OPERAND; in __deliver_prog_pv()
836 return -EINVAL; in __deliver_prog_pv()
843 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_prog()
848 spin_lock(&li->lock); in __deliver_prog()
849 pgm_info = li->irq.pgm; in __deliver_prog()
850 clear_bit(IRQ_PEND_PROG, &li->pending_irqs); in __deliver_prog()
851 memset(&li->irq.pgm, 0, sizeof(pgm_info)); in __deliver_prog()
852 spin_unlock(&li->lock); in __deliver_prog()
857 vcpu->stat.deliver_program++; in __deliver_prog()
858 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __deliver_prog()
949 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->gbea, in __deliver_prog()
954 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
956 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
957 return rc ? -EFAULT : 0; in __deliver_prog()
968 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in write_sclp()
969 vcpu->arch.sie_block->eic = EXT_IRQ_SERVICE_SIG; in write_sclp()
970 vcpu->arch.sie_block->eiparams = parm; in write_sclp()
977 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
979 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
983 return rc ? -EFAULT : 0; in write_sclp()
988 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service()
991 spin_lock(&fi->lock); in __deliver_service()
992 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs) || in __deliver_service()
993 !(test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs))) { in __deliver_service()
994 spin_unlock(&fi->lock); in __deliver_service()
997 ext = fi->srv_signal; in __deliver_service()
998 memset(&fi->srv_signal, 0, sizeof(ext)); in __deliver_service()
999 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __deliver_service()
1000 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service()
1002 set_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in __deliver_service()
1003 spin_unlock(&fi->lock); in __deliver_service()
1007 vcpu->stat.deliver_service_signal++; in __deliver_service()
1008 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service()
1016 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service_ev()
1019 spin_lock(&fi->lock); in __deliver_service_ev()
1020 if (!(test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs))) { in __deliver_service_ev()
1021 spin_unlock(&fi->lock); in __deliver_service_ev()
1024 ext = fi->srv_signal; in __deliver_service_ev()
1026 fi->srv_signal.ext_params &= ~SCCB_EVENT_PENDING; in __deliver_service_ev()
1027 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service_ev()
1028 spin_unlock(&fi->lock); in __deliver_service_ev()
1031 vcpu->stat.deliver_service_signal++; in __deliver_service_ev()
1032 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service_ev()
1040 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_pfault_done()
1044 spin_lock(&fi->lock); in __deliver_pfault_done()
1045 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_PFAULT], in __deliver_pfault_done()
1049 list_del(&inti->list); in __deliver_pfault_done()
1050 fi->counters[FIRQ_CNTR_PFAULT] -= 1; in __deliver_pfault_done()
1052 if (list_empty(&fi->lists[FIRQ_LIST_PFAULT])) in __deliver_pfault_done()
1053 clear_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __deliver_pfault_done()
1054 spin_unlock(&fi->lock); in __deliver_pfault_done()
1057 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_done()
1059 inti->ext.ext_params2); in __deliver_pfault_done()
1061 inti->ext.ext_params2); in __deliver_pfault_done()
1068 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1071 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1073 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_pfault_done()
1077 return rc ? -EFAULT : 0; in __deliver_pfault_done()
1082 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_virtio()
1086 spin_lock(&fi->lock); in __deliver_virtio()
1087 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_VIRTIO], in __deliver_virtio()
1093 inti->ext.ext_params, inti->ext.ext_params2); in __deliver_virtio()
1094 vcpu->stat.deliver_virtio++; in __deliver_virtio()
1095 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_virtio()
1096 inti->type, in __deliver_virtio()
1097 inti->ext.ext_params, in __deliver_virtio()
1098 inti->ext.ext_params2); in __deliver_virtio()
1099 list_del(&inti->list); in __deliver_virtio()
1100 fi->counters[FIRQ_CNTR_VIRTIO] -= 1; in __deliver_virtio()
1102 if (list_empty(&fi->lists[FIRQ_LIST_VIRTIO])) in __deliver_virtio()
1103 clear_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __deliver_virtio()
1104 spin_unlock(&fi->lock); in __deliver_virtio()
1112 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1115 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1117 rc |= put_guest_lc(vcpu, inti->ext.ext_params, in __deliver_virtio()
1119 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_virtio()
1123 return rc ? -EFAULT : 0; in __deliver_virtio()
1131 vcpu->arch.sie_block->iictl = IICTL_CODE_IO; in __do_deliver_io()
1132 vcpu->arch.sie_block->subchannel_id = io->subchannel_id; in __do_deliver_io()
1133 vcpu->arch.sie_block->subchannel_nr = io->subchannel_nr; in __do_deliver_io()
1134 vcpu->arch.sie_block->io_int_parm = io->io_int_parm; in __do_deliver_io()
1135 vcpu->arch.sie_block->io_int_word = io->io_int_word; in __do_deliver_io()
1139 rc = put_guest_lc(vcpu, io->subchannel_id, (u16 *)__LC_SUBCHANNEL_ID); in __do_deliver_io()
1140 rc |= put_guest_lc(vcpu, io->subchannel_nr, (u16 *)__LC_SUBCHANNEL_NR); in __do_deliver_io()
1141 rc |= put_guest_lc(vcpu, io->io_int_parm, (u32 *)__LC_IO_INT_PARM); in __do_deliver_io()
1142 rc |= put_guest_lc(vcpu, io->io_int_word, (u32 *)__LC_IO_INT_WORD); in __do_deliver_io()
1144 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1147 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1149 return rc ? -EFAULT : 0; in __do_deliver_io()
1157 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in __deliver_io()
1163 fi = &vcpu->kvm->arch.float_int; in __deliver_io()
1165 spin_lock(&fi->lock); in __deliver_io()
1167 isc_list = &fi->lists[isc]; in __deliver_io()
1172 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __deliver_io()
1176 inti->io.subchannel_id >> 8, in __deliver_io()
1177 inti->io.subchannel_id >> 1 & 0x3, in __deliver_io()
1178 inti->io.subchannel_nr); in __deliver_io()
1180 vcpu->stat.deliver_io++; in __deliver_io()
1181 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1182 inti->type, in __deliver_io()
1183 ((__u32)inti->io.subchannel_id << 16) | in __deliver_io()
1184 inti->io.subchannel_nr, in __deliver_io()
1185 ((__u64)inti->io.io_int_parm << 32) | in __deliver_io()
1186 inti->io.io_int_word); in __deliver_io()
1187 list_del(&inti->list); in __deliver_io()
1188 fi->counters[FIRQ_CNTR_IO] -= 1; in __deliver_io()
1191 clear_bit(irq_type, &fi->pending_irqs); in __deliver_io()
1192 spin_unlock(&fi->lock); in __deliver_io()
1195 rc = __do_deliver_io(vcpu, &(inti->io)); in __deliver_io()
1200 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1208 vcpu->stat.deliver_io++; in __deliver_io()
1209 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1224 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_ext_call_pending()
1227 return test_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in kvm_s390_ext_call_pending()
1243 (vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in kvm_s390_vcpu_has_irq()
1258 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in __calculate_sltime()
1259 const u64 ckc = vcpu->arch.sie_block->ckc; in __calculate_sltime()
1263 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in __calculate_sltime()
1265 sltime = tod_to_ns((s64)ckc - (s64)now); in __calculate_sltime()
1267 sltime = tod_to_ns(ckc - now); in __calculate_sltime()
1290 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in kvm_s390_handle_wait()
1293 vcpu->stat.exit_wait_state++; in kvm_s390_handle_wait()
1301 return -EOPNOTSUPP; /* disabled wait */ in kvm_s390_handle_wait()
1304 if (gi->origin && in kvm_s390_handle_wait()
1306 vcpu->arch.sie_block->gcr[6] >> 24)) in kvm_s390_handle_wait()
1321 hrtimer_start(&vcpu->arch.ckc_timer, sltime, HRTIMER_MODE_REL); in kvm_s390_handle_wait()
1326 vcpu->valid_wakeup = false; in kvm_s390_handle_wait()
1330 hrtimer_cancel(&vcpu->arch.ckc_timer); in kvm_s390_handle_wait()
1336 vcpu->valid_wakeup = true; in kvm_s390_vcpu_wakeup()
1366 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_local_irqs()
1368 spin_lock(&li->lock); in kvm_s390_clear_local_irqs()
1369 li->pending_irqs = 0; in kvm_s390_clear_local_irqs()
1370 bitmap_zero(li->sigp_emerg_pending, KVM_MAX_VCPUS); in kvm_s390_clear_local_irqs()
1371 memset(&li->irq, 0, sizeof(li->irq)); in kvm_s390_clear_local_irqs()
1372 spin_unlock(&li->lock); in kvm_s390_clear_local_irqs()
1379 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_deliver_pending_interrupts()
1388 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1390 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1393 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1395 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1453 clear_bit(irq_type, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1463 struct kvm_debug_exit_arch *debug_exit = &vcpu->run->debug.arch; in kvm_s390_deliver_pending_interrupts()
1465 debug_exit->addr = vcpu->arch.sie_block->gpsw.addr; in kvm_s390_deliver_pending_interrupts()
1466 debug_exit->type = KVM_SINGLESTEP; in kvm_s390_deliver_pending_interrupts()
1467 vcpu->guest_debug |= KVM_GUESTDBG_EXIT_PENDING; in kvm_s390_deliver_pending_interrupts()
1477 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_prog()
1479 vcpu->stat.inject_program++; in __inject_prog()
1480 VCPU_EVENT(vcpu, 3, "inject: program irq code 0x%x", irq->u.pgm.code); in __inject_prog()
1481 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __inject_prog()
1482 irq->u.pgm.code, 0); in __inject_prog()
1484 if (!(irq->u.pgm.flags & KVM_S390_PGM_FLAGS_ILC_VALID)) { in __inject_prog()
1486 irq->u.pgm.flags &= ~KVM_S390_PGM_FLAGS_ILC_MASK; in __inject_prog()
1487 irq->u.pgm.flags |= kvm_s390_get_ilen(vcpu); in __inject_prog()
1488 irq->u.pgm.flags |= KVM_S390_PGM_FLAGS_ILC_VALID; in __inject_prog()
1491 if (irq->u.pgm.code == PGM_PER) { in __inject_prog()
1492 li->irq.pgm.code |= PGM_PER; in __inject_prog()
1493 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1495 li->irq.pgm.per_address = irq->u.pgm.per_address; in __inject_prog()
1496 li->irq.pgm.per_code = irq->u.pgm.per_code; in __inject_prog()
1497 li->irq.pgm.per_atmid = irq->u.pgm.per_atmid; in __inject_prog()
1498 li->irq.pgm.per_access_id = irq->u.pgm.per_access_id; in __inject_prog()
1499 } else if (!(irq->u.pgm.code & PGM_PER)) { in __inject_prog()
1500 li->irq.pgm.code = (li->irq.pgm.code & PGM_PER) | in __inject_prog()
1501 irq->u.pgm.code; in __inject_prog()
1502 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1503 /* only modify non-PER information */ in __inject_prog()
1504 li->irq.pgm.trans_exc_code = irq->u.pgm.trans_exc_code; in __inject_prog()
1505 li->irq.pgm.mon_code = irq->u.pgm.mon_code; in __inject_prog()
1506 li->irq.pgm.data_exc_code = irq->u.pgm.data_exc_code; in __inject_prog()
1507 li->irq.pgm.mon_class_nr = irq->u.pgm.mon_class_nr; in __inject_prog()
1508 li->irq.pgm.exc_access_id = irq->u.pgm.exc_access_id; in __inject_prog()
1509 li->irq.pgm.op_access_id = irq->u.pgm.op_access_id; in __inject_prog()
1511 li->irq.pgm = irq->u.pgm; in __inject_prog()
1513 set_bit(IRQ_PEND_PROG, &li->pending_irqs); in __inject_prog()
1519 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_pfault_init()
1521 vcpu->stat.inject_pfault_init++; in __inject_pfault_init()
1523 irq->u.ext.ext_params2); in __inject_pfault_init()
1524 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_PFAULT_INIT, in __inject_pfault_init()
1525 irq->u.ext.ext_params, in __inject_pfault_init()
1526 irq->u.ext.ext_params2); in __inject_pfault_init()
1528 li->irq.ext = irq->u.ext; in __inject_pfault_init()
1529 set_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __inject_pfault_init()
1536 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_extcall()
1537 struct kvm_s390_extcall_info *extcall = &li->irq.extcall; in __inject_extcall()
1538 uint16_t src_id = irq->u.extcall.code; in __inject_extcall()
1540 vcpu->stat.inject_external_call++; in __inject_extcall()
1541 VCPU_EVENT(vcpu, 4, "inject: external call source-cpu:%u", in __inject_extcall()
1543 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EXTERNAL_CALL, in __inject_extcall()
1547 if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL) in __inject_extcall()
1548 return -EINVAL; in __inject_extcall()
1553 if (test_and_set_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs)) in __inject_extcall()
1554 return -EBUSY; in __inject_extcall()
1555 *extcall = irq->u.extcall; in __inject_extcall()
1562 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_set_prefix()
1563 struct kvm_s390_prefix_info *prefix = &li->irq.prefix; in __inject_set_prefix() local
1565 vcpu->stat.inject_set_prefix++; in __inject_set_prefix()
1566 VCPU_EVENT(vcpu, 3, "inject: set prefix to %x", in __inject_set_prefix()
1567 irq->u.prefix.address); in __inject_set_prefix()
1568 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_SET_PREFIX, in __inject_set_prefix()
1569 irq->u.prefix.address, 0); in __inject_set_prefix()
1572 return -EBUSY; in __inject_set_prefix()
1574 *prefix = irq->u.prefix; in __inject_set_prefix()
1575 set_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __inject_set_prefix()
1582 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_stop()
1583 struct kvm_s390_stop_info *stop = &li->irq.stop; in __inject_sigp_stop()
1586 vcpu->stat.inject_stop_signal++; in __inject_sigp_stop()
1587 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_STOP, 0, 0); in __inject_sigp_stop()
1589 if (irq->u.stop.flags & ~KVM_S390_STOP_SUPP_FLAGS) in __inject_sigp_stop()
1590 return -EINVAL; in __inject_sigp_stop()
1593 if (irq->u.stop.flags & KVM_S390_STOP_FLAG_STORE_STATUS) in __inject_sigp_stop()
1599 if (test_and_set_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs)) in __inject_sigp_stop()
1600 return -EBUSY; in __inject_sigp_stop()
1601 stop->flags = irq->u.stop.flags; in __inject_sigp_stop()
1608 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_restart()
1610 vcpu->stat.inject_restart++; in __inject_sigp_restart()
1612 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __inject_sigp_restart()
1614 set_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __inject_sigp_restart()
1621 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_emergency()
1623 vcpu->stat.inject_emergency_signal++; in __inject_sigp_emergency()
1625 irq->u.emerg.code); in __inject_sigp_emergency()
1626 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __inject_sigp_emergency()
1627 irq->u.emerg.code, 0); in __inject_sigp_emergency()
1630 if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL) in __inject_sigp_emergency()
1631 return -EINVAL; in __inject_sigp_emergency()
1633 set_bit(irq->u.emerg.code, li->sigp_emerg_pending); in __inject_sigp_emergency()
1634 set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __inject_sigp_emergency()
1641 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_mchk()
1642 struct kvm_s390_mchk_info *mchk = &li->irq.mchk; in __inject_mchk()
1644 vcpu->stat.inject_mchk++; in __inject_mchk()
1646 irq->u.mchk.mcic); in __inject_mchk()
1647 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_MCHK, 0, in __inject_mchk()
1648 irq->u.mchk.mcic); in __inject_mchk()
1658 mchk->cr14 |= irq->u.mchk.cr14; in __inject_mchk()
1659 mchk->mcic |= irq->u.mchk.mcic; in __inject_mchk()
1660 mchk->ext_damage_code |= irq->u.mchk.ext_damage_code; in __inject_mchk()
1661 mchk->failing_storage_address = irq->u.mchk.failing_storage_address; in __inject_mchk()
1662 memcpy(&mchk->fixed_logout, &irq->u.mchk.fixed_logout, in __inject_mchk()
1663 sizeof(mchk->fixed_logout)); in __inject_mchk()
1664 if (mchk->mcic & MCHK_EX_MASK) in __inject_mchk()
1665 set_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __inject_mchk()
1666 else if (mchk->mcic & MCHK_REP_MASK) in __inject_mchk()
1667 set_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __inject_mchk()
1673 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_ckc()
1675 vcpu->stat.inject_ckc++; in __inject_ckc()
1677 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __inject_ckc()
1680 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __inject_ckc()
1687 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_cpu_timer()
1689 vcpu->stat.inject_cputm++; in __inject_cpu_timer()
1691 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __inject_cpu_timer()
1694 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __inject_cpu_timer()
1702 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in get_io_int()
1703 struct list_head *isc_list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in get_io_int()
1708 spin_lock(&fi->lock); in get_io_int()
1710 if (schid && (id != iter->io.subchannel_id || in get_io_int()
1711 nr != iter->io.subchannel_nr)) in get_io_int()
1714 list_del_init(&iter->list); in get_io_int()
1715 fi->counters[FIRQ_CNTR_IO] -= 1; in get_io_int()
1717 clear_bit(isc_to_irq_type(isc), &fi->pending_irqs); in get_io_int()
1718 spin_unlock(&fi->lock); in get_io_int()
1721 spin_unlock(&fi->lock); in get_io_int()
1740 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_top_gisa_isc()
1746 if (!gi->origin) in get_top_gisa_isc()
1749 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1751 isc = __fls(active_mask) ^ (BITS_PER_LONG - 1); in get_top_gisa_isc()
1752 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1757 return -EINVAL; in get_top_gisa_isc()
1775 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_get_io_int()
1791 if (int_word_to_isc(inti->io.io_int_word) <= isc) { in kvm_s390_get_io_int()
1793 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1799 tmp_inti->type = KVM_S390_INT_IO(1, 0, 0, 0); in kvm_s390_get_io_int()
1800 tmp_inti->io.io_int_word = isc_to_int_word(isc); in kvm_s390_get_io_int()
1805 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1813 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_service()
1815 kvm->stat.inject_service_signal++; in __inject_service()
1816 spin_lock(&fi->lock); in __inject_service()
1817 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_EVENT_PENDING; in __inject_service()
1820 if (fi->srv_signal.ext_params & SCCB_EVENT_PENDING) in __inject_service()
1821 set_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __inject_service()
1831 if (fi->srv_signal.ext_params & SCCB_MASK) in __inject_service()
1833 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_MASK; in __inject_service()
1834 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __inject_service()
1836 spin_unlock(&fi->lock); in __inject_service()
1844 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_virtio()
1846 kvm->stat.inject_virtio++; in __inject_virtio()
1847 spin_lock(&fi->lock); in __inject_virtio()
1848 if (fi->counters[FIRQ_CNTR_VIRTIO] >= KVM_S390_MAX_VIRTIO_IRQS) { in __inject_virtio()
1849 spin_unlock(&fi->lock); in __inject_virtio()
1850 return -EBUSY; in __inject_virtio()
1852 fi->counters[FIRQ_CNTR_VIRTIO] += 1; in __inject_virtio()
1853 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_VIRTIO]); in __inject_virtio()
1854 set_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __inject_virtio()
1855 spin_unlock(&fi->lock); in __inject_virtio()
1862 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_pfault_done()
1864 kvm->stat.inject_pfault_done++; in __inject_pfault_done()
1865 spin_lock(&fi->lock); in __inject_pfault_done()
1866 if (fi->counters[FIRQ_CNTR_PFAULT] >= in __inject_pfault_done()
1868 spin_unlock(&fi->lock); in __inject_pfault_done()
1869 return -EBUSY; in __inject_pfault_done()
1871 fi->counters[FIRQ_CNTR_PFAULT] += 1; in __inject_pfault_done()
1872 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_PFAULT]); in __inject_pfault_done()
1873 set_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __inject_pfault_done()
1874 spin_unlock(&fi->lock); in __inject_pfault_done()
1882 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_float_mchk()
1884 kvm->stat.inject_float_mchk++; in __inject_float_mchk()
1885 spin_lock(&fi->lock); in __inject_float_mchk()
1886 fi->mchk.cr14 |= inti->mchk.cr14 & (1UL << CR_PENDING_SUBCLASS); in __inject_float_mchk()
1887 fi->mchk.mcic |= inti->mchk.mcic; in __inject_float_mchk()
1888 set_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs); in __inject_float_mchk()
1889 spin_unlock(&fi->lock); in __inject_float_mchk()
1896 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __inject_io()
1901 kvm->stat.inject_io++; in __inject_io()
1902 isc = int_word_to_isc(inti->io.io_int_word); in __inject_io()
1910 if (gi->origin && inti->type & KVM_S390_INT_IO_AI_MASK) { in __inject_io()
1912 gisa_set_ipm_gisc(gi->origin, isc); in __inject_io()
1917 fi = &kvm->arch.float_int; in __inject_io()
1918 spin_lock(&fi->lock); in __inject_io()
1919 if (fi->counters[FIRQ_CNTR_IO] >= KVM_S390_MAX_FLOAT_IRQS) { in __inject_io()
1920 spin_unlock(&fi->lock); in __inject_io()
1921 return -EBUSY; in __inject_io()
1923 fi->counters[FIRQ_CNTR_IO] += 1; in __inject_io()
1925 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __inject_io()
1929 inti->io.subchannel_id >> 8, in __inject_io()
1930 inti->io.subchannel_id >> 1 & 0x3, in __inject_io()
1931 inti->io.subchannel_nr); in __inject_io()
1932 list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in __inject_io()
1933 list_add_tail(&inti->list, list); in __inject_io()
1934 set_bit(isc_to_irq_type(isc), &fi->pending_irqs); in __inject_io()
1935 spin_unlock(&fi->lock); in __inject_io()
1947 online_vcpus = atomic_read(&kvm->online_vcpus); in __floating_irq_kick()
1952 sigcpu = find_first_bit(kvm->arch.idle_mask, online_vcpus); in __floating_irq_kick()
1955 sigcpu = kvm->arch.float_int.next_rr_cpu++; in __floating_irq_kick()
1956 kvm->arch.float_int.next_rr_cpu %= online_vcpus; in __floating_irq_kick()
1971 kvm->arch.gisa_int.origin) || in __floating_irq_kick()
1984 u64 type = READ_ONCE(inti->type); in __inject_vm()
2004 rc = -EINVAL; in __inject_vm()
2021 return -ENOMEM; in kvm_s390_inject_vm()
2023 inti->type = s390int->type; in kvm_s390_inject_vm()
2024 switch (inti->type) { in kvm_s390_inject_vm()
2027 s390int->parm, s390int->parm64); in kvm_s390_inject_vm()
2028 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2029 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2032 VM_EVENT(kvm, 4, "inject: sclp parm:%x", s390int->parm); in kvm_s390_inject_vm()
2033 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2036 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2040 s390int->parm64); in kvm_s390_inject_vm()
2041 inti->mchk.cr14 = s390int->parm; /* upper bits are not used */ in kvm_s390_inject_vm()
2042 inti->mchk.mcic = s390int->parm64; in kvm_s390_inject_vm()
2045 inti->io.subchannel_id = s390int->parm >> 16; in kvm_s390_inject_vm()
2046 inti->io.subchannel_nr = s390int->parm & 0x0000ffffu; in kvm_s390_inject_vm()
2047 inti->io.io_int_parm = s390int->parm64 >> 32; in kvm_s390_inject_vm()
2048 inti->io.io_int_word = s390int->parm64 & 0x00000000ffffffffull; in kvm_s390_inject_vm()
2052 return -EINVAL; in kvm_s390_inject_vm()
2054 trace_kvm_s390_inject_vm(s390int->type, s390int->parm, s390int->parm64, in kvm_s390_inject_vm()
2072 irq->type = s390int->type; in s390int_to_s390irq()
2073 switch (irq->type) { in s390int_to_s390irq()
2075 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2076 return -EINVAL; in s390int_to_s390irq()
2077 irq->u.pgm.code = s390int->parm; in s390int_to_s390irq()
2080 irq->u.prefix.address = s390int->parm; in s390int_to_s390irq()
2083 irq->u.stop.flags = s390int->parm; in s390int_to_s390irq()
2086 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2087 return -EINVAL; in s390int_to_s390irq()
2088 irq->u.extcall.code = s390int->parm; in s390int_to_s390irq()
2091 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2092 return -EINVAL; in s390int_to_s390irq()
2093 irq->u.emerg.code = s390int->parm; in s390int_to_s390irq()
2096 irq->u.mchk.mcic = s390int->parm64; in s390int_to_s390irq()
2099 irq->u.ext.ext_params = s390int->parm; in s390int_to_s390irq()
2100 irq->u.ext.ext_params2 = s390int->parm64; in s390int_to_s390irq()
2107 return -EINVAL; in s390int_to_s390irq()
2114 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_stop_irq_pending()
2116 return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_is_stop_irq_pending()
2121 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_restart_irq_pending()
2123 return test_bit(IRQ_PEND_RESTART, &li->pending_irqs); in kvm_s390_is_restart_irq_pending()
2128 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_stop_irq()
2130 spin_lock(&li->lock); in kvm_s390_clear_stop_irq()
2131 li->irq.stop.flags = 0; in kvm_s390_clear_stop_irq()
2132 clear_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_clear_stop_irq()
2133 spin_unlock(&li->lock); in kvm_s390_clear_stop_irq()
2140 switch (irq->type) { in do_inject_vcpu()
2175 rc = -EINVAL; in do_inject_vcpu()
2183 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_inject_vcpu()
2186 spin_lock(&li->lock); in kvm_s390_inject_vcpu()
2188 spin_unlock(&li->lock); in kvm_s390_inject_vcpu()
2199 list_del(&inti->list); in clear_irq_list()
2207 irq->type = inti->type; in inti_to_irq()
2208 switch (inti->type) { in inti_to_irq()
2212 irq->u.ext = inti->ext; in inti_to_irq()
2215 irq->u.io = inti->io; in inti_to_irq()
2222 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_clear_float_irqs()
2225 mutex_lock(&kvm->lock); in kvm_s390_clear_float_irqs()
2227 fi->masked_irqs = 0; in kvm_s390_clear_float_irqs()
2228 mutex_unlock(&kvm->lock); in kvm_s390_clear_float_irqs()
2229 spin_lock(&fi->lock); in kvm_s390_clear_float_irqs()
2230 fi->pending_irqs = 0; in kvm_s390_clear_float_irqs()
2231 memset(&fi->srv_signal, 0, sizeof(fi->srv_signal)); in kvm_s390_clear_float_irqs()
2232 memset(&fi->mchk, 0, sizeof(fi->mchk)); in kvm_s390_clear_float_irqs()
2234 clear_irq_list(&fi->lists[i]); in kvm_s390_clear_float_irqs()
2236 fi->counters[i] = 0; in kvm_s390_clear_float_irqs()
2237 spin_unlock(&fi->lock); in kvm_s390_clear_float_irqs()
2243 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_all_floating_irqs()
2254 return -EINVAL; in get_all_floating_irqs()
2257 * We are already using -ENOMEM to signal in get_all_floating_irqs()
2263 return -ENOBUFS; in get_all_floating_irqs()
2267 if (gi->origin && gisa_get_ipm(gi->origin)) { in get_all_floating_irqs()
2271 ret = -ENOMEM; in get_all_floating_irqs()
2274 if (gisa_tac_ipm_gisc(gi->origin, i)) { in get_all_floating_irqs()
2276 irq->type = KVM_S390_INT_IO(1, 0, 0, 0); in get_all_floating_irqs()
2277 irq->u.io.io_int_word = isc_to_int_word(i); in get_all_floating_irqs()
2282 fi = &kvm->arch.float_int; in get_all_floating_irqs()
2283 spin_lock(&fi->lock); in get_all_floating_irqs()
2285 list_for_each_entry(inti, &fi->lists[i], list) { in get_all_floating_irqs()
2288 ret = -ENOMEM; in get_all_floating_irqs()
2295 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs) || in get_all_floating_irqs()
2296 test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs)) { in get_all_floating_irqs()
2299 ret = -ENOMEM; in get_all_floating_irqs()
2303 irq->type = KVM_S390_INT_SERVICE; in get_all_floating_irqs()
2304 irq->u.ext = fi->srv_signal; in get_all_floating_irqs()
2307 if (test_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in get_all_floating_irqs()
2310 ret = -ENOMEM; in get_all_floating_irqs()
2314 irq->type = KVM_S390_MCHK; in get_all_floating_irqs()
2315 irq->u.mchk = fi->mchk; in get_all_floating_irqs()
2320 spin_unlock(&fi->lock); in get_all_floating_irqs()
2324 ret = -EFAULT; in get_all_floating_irqs()
2333 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_get_all()
2336 if (attr->attr < sizeof(ais)) in flic_ais_mode_get_all()
2337 return -EINVAL; in flic_ais_mode_get_all()
2340 return -EOPNOTSUPP; in flic_ais_mode_get_all()
2342 mutex_lock(&fi->ais_lock); in flic_ais_mode_get_all()
2343 ais.simm = fi->simm; in flic_ais_mode_get_all()
2344 ais.nimm = fi->nimm; in flic_ais_mode_get_all()
2345 mutex_unlock(&fi->ais_lock); in flic_ais_mode_get_all()
2347 if (copy_to_user((void __user *)attr->addr, &ais, sizeof(ais))) in flic_ais_mode_get_all()
2348 return -EFAULT; in flic_ais_mode_get_all()
2357 switch (attr->group) { in flic_get_attr()
2359 r = get_all_floating_irqs(dev->kvm, (u8 __user *) attr->addr, in flic_get_attr()
2360 attr->attr); in flic_get_attr()
2363 r = flic_ais_mode_get_all(dev->kvm, attr); in flic_get_attr()
2366 r = -EINVAL; in flic_get_attr()
2380 if (get_user(inti->type, (u64 __user *)addr)) in copy_irq_from_user()
2381 return -EFAULT; in copy_irq_from_user()
2383 switch (inti->type) { in copy_irq_from_user()
2388 target = (void *) &inti->ext; in copy_irq_from_user()
2389 source = &uptr->u.ext; in copy_irq_from_user()
2390 size = sizeof(inti->ext); in copy_irq_from_user()
2393 target = (void *) &inti->io; in copy_irq_from_user()
2394 source = &uptr->u.io; in copy_irq_from_user()
2395 size = sizeof(inti->io); in copy_irq_from_user()
2398 target = (void *) &inti->mchk; in copy_irq_from_user()
2399 source = &uptr->u.mchk; in copy_irq_from_user()
2400 size = sizeof(inti->mchk); in copy_irq_from_user()
2403 return -EINVAL; in copy_irq_from_user()
2407 return -EFAULT; in copy_irq_from_user()
2417 int len = attr->attr; in enqueue_floating_irq()
2420 return -EINVAL; in enqueue_floating_irq()
2422 return -EINVAL; in enqueue_floating_irq()
2427 return -ENOMEM; in enqueue_floating_irq()
2429 r = copy_irq_from_user(inti, attr->addr); in enqueue_floating_irq()
2434 r = __inject_vm(dev->kvm, inti); in enqueue_floating_irq()
2439 len -= sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2440 attr->addr += sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2451 return kvm->arch.adapters[id]; in get_io_adapter()
2461 (void __user *)attr->addr, sizeof(adapter_info))) in register_io_adapter()
2462 return -EFAULT; in register_io_adapter()
2465 return -EINVAL; in register_io_adapter()
2470 if (dev->kvm->arch.adapters[adapter_info.id] != NULL) in register_io_adapter()
2471 return -EINVAL; in register_io_adapter()
2475 return -ENOMEM; in register_io_adapter()
2477 adapter->id = adapter_info.id; in register_io_adapter()
2478 adapter->isc = adapter_info.isc; in register_io_adapter()
2479 adapter->maskable = adapter_info.maskable; in register_io_adapter()
2480 adapter->masked = false; in register_io_adapter()
2481 adapter->swap = adapter_info.swap; in register_io_adapter()
2482 adapter->suppressible = (adapter_info.flags) & in register_io_adapter()
2484 dev->kvm->arch.adapters[adapter->id] = adapter; in register_io_adapter()
2494 if (!adapter || !adapter->maskable) in kvm_s390_mask_adapter()
2495 return -EINVAL; in kvm_s390_mask_adapter()
2496 ret = adapter->masked; in kvm_s390_mask_adapter()
2497 adapter->masked = masked; in kvm_s390_mask_adapter()
2506 kfree(kvm->arch.adapters[i]); in kvm_s390_destroy_adapters()
2516 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_io_adapter()
2517 return -EFAULT; in modify_io_adapter()
2519 adapter = get_io_adapter(dev->kvm, req.id); in modify_io_adapter()
2521 return -EINVAL; in modify_io_adapter()
2524 ret = kvm_s390_mask_adapter(dev->kvm, req.id, req.mask); in modify_io_adapter()
2529 * The following operations are no longer needed and therefore no-ops. in modify_io_adapter()
2538 ret = -EINVAL; in modify_io_adapter()
2550 if (attr->flags) in clear_io_irq()
2551 return -EINVAL; in clear_io_irq()
2552 if (attr->attr != sizeof(schid)) in clear_io_irq()
2553 return -EINVAL; in clear_io_irq()
2554 if (copy_from_user(&schid, (void __user *) attr->addr, sizeof(schid))) in clear_io_irq()
2555 return -EFAULT; in clear_io_irq()
2557 return -EINVAL; in clear_io_irq()
2569 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in modify_ais_mode()
2574 return -EOPNOTSUPP; in modify_ais_mode()
2576 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_ais_mode()
2577 return -EFAULT; in modify_ais_mode()
2580 return -EINVAL; in modify_ais_mode()
2583 (fi->simm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2584 (fi->nimm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2588 mutex_lock(&fi->ais_lock); in modify_ais_mode()
2591 fi->simm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2592 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2595 fi->simm |= AIS_MODE_MASK(req.isc); in modify_ais_mode()
2596 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2599 ret = -EINVAL; in modify_ais_mode()
2601 mutex_unlock(&fi->ais_lock); in modify_ais_mode()
2609 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_inject_airq()
2613 .parm64 = isc_to_int_word(adapter->isc), in kvm_s390_inject_airq()
2617 if (!test_kvm_facility(kvm, 72) || !adapter->suppressible) in kvm_s390_inject_airq()
2620 mutex_lock(&fi->ais_lock); in kvm_s390_inject_airq()
2621 if (fi->nimm & AIS_MODE_MASK(adapter->isc)) { in kvm_s390_inject_airq()
2622 trace_kvm_s390_airq_suppressed(adapter->id, adapter->isc); in kvm_s390_inject_airq()
2627 if (!ret && (fi->simm & AIS_MODE_MASK(adapter->isc))) { in kvm_s390_inject_airq()
2628 fi->nimm |= AIS_MODE_MASK(adapter->isc); in kvm_s390_inject_airq()
2629 trace_kvm_s390_modify_ais_mode(adapter->isc, in kvm_s390_inject_airq()
2633 mutex_unlock(&fi->ais_lock); in kvm_s390_inject_airq()
2639 unsigned int id = attr->attr; in flic_inject_airq()
2643 return -EINVAL; in flic_inject_airq()
2650 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_set_all()
2654 return -EOPNOTSUPP; in flic_ais_mode_set_all()
2656 if (copy_from_user(&ais, (void __user *)attr->addr, sizeof(ais))) in flic_ais_mode_set_all()
2657 return -EFAULT; in flic_ais_mode_set_all()
2659 mutex_lock(&fi->ais_lock); in flic_ais_mode_set_all()
2660 fi->simm = ais.simm; in flic_ais_mode_set_all()
2661 fi->nimm = ais.nimm; in flic_ais_mode_set_all()
2662 mutex_unlock(&fi->ais_lock); in flic_ais_mode_set_all()
2673 switch (attr->group) { in flic_set_attr()
2678 kvm_s390_clear_float_irqs(dev->kvm); in flic_set_attr()
2681 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2682 return -EINVAL; in flic_set_attr()
2683 dev->kvm->arch.gmap->pfault_enabled = 1; in flic_set_attr()
2686 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2687 return -EINVAL; in flic_set_attr()
2688 dev->kvm->arch.gmap->pfault_enabled = 0; in flic_set_attr()
2690 * Make sure no async faults are in transition when in flic_set_attr()
2694 synchronize_srcu(&dev->kvm->srcu); in flic_set_attr()
2695 kvm_for_each_vcpu(i, vcpu, dev->kvm) in flic_set_attr()
2705 r = clear_io_irq(dev->kvm, attr); in flic_set_attr()
2708 r = modify_ais_mode(dev->kvm, attr); in flic_set_attr()
2711 r = flic_inject_airq(dev->kvm, attr); in flic_set_attr()
2714 r = flic_ais_mode_set_all(dev->kvm, attr); in flic_set_attr()
2717 r = -EINVAL; in flic_set_attr()
2726 switch (attr->group) { in flic_has_attr()
2740 return -ENXIO; in flic_has_attr()
2746 return -EINVAL; in flic_create()
2747 if (dev->kvm->arch.flic) in flic_create()
2748 return -EINVAL; in flic_create()
2749 dev->kvm->arch.flic = dev; in flic_create()
2755 dev->kvm->arch.flic = NULL; in flic_destroy()
2761 .name = "kvm-flic",
2775 return swap ? (bit ^ (BITS_PER_LONG - 1)) : bit; in get_ind_bit()
2782 mmap_read_lock(kvm->mm); in get_map_page()
2783 get_user_pages_remote(kvm->mm, uaddr, 1, FOLL_WRITE, in get_map_page()
2785 mmap_read_unlock(kvm->mm); in get_map_page()
2798 ind_page = get_map_page(kvm, adapter_int->ind_addr); in adapter_indicators_set()
2800 return -1; in adapter_indicators_set()
2801 summary_page = get_map_page(kvm, adapter_int->summary_addr); in adapter_indicators_set()
2804 return -1; in adapter_indicators_set()
2807 idx = srcu_read_lock(&kvm->srcu); in adapter_indicators_set()
2809 bit = get_ind_bit(adapter_int->ind_addr, in adapter_indicators_set()
2810 adapter_int->ind_offset, adapter->swap); in adapter_indicators_set()
2812 mark_page_dirty(kvm, adapter_int->ind_addr >> PAGE_SHIFT); in adapter_indicators_set()
2815 bit = get_ind_bit(adapter_int->summary_addr, in adapter_indicators_set()
2816 adapter_int->summary_offset, adapter->swap); in adapter_indicators_set()
2818 mark_page_dirty(kvm, adapter_int->summary_addr >> PAGE_SHIFT); in adapter_indicators_set()
2820 srcu_read_unlock(&kvm->srcu, idx); in adapter_indicators_set()
2828 * < 0 - not injected due to error
2829 * = 0 - coalesced, summary indicator already active
2830 * > 0 - injected interrupt
2839 /* We're only interested in the 0->1 transition. */ in set_adapter_int()
2842 adapter = get_io_adapter(kvm, e->adapter.adapter_id); in set_adapter_int()
2844 return -1; in set_adapter_int()
2845 ret = adapter_indicators_set(kvm, adapter, &e->adapter); in set_adapter_int()
2846 if ((ret > 0) && !adapter->masked) { in set_adapter_int()
2867 mci.val = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2876 mchk->cr14 = cr14; in kvm_s390_reinject_machine_check()
2877 mchk->mcic = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2878 mchk->ext_damage_code = mcck_info->ext_damage_code; in kvm_s390_reinject_machine_check()
2879 mchk->failing_storage_address = mcck_info->failing_storage_address; in kvm_s390_reinject_machine_check()
2883 rc = __inject_vm(vcpu->kvm, &inti); in kvm_s390_reinject_machine_check()
2899 switch (ue->type) { in kvm_set_routing_entry()
2903 return -EINVAL; in kvm_set_routing_entry()
2904 e->set = set_adapter_int; in kvm_set_routing_entry()
2906 idx = srcu_read_lock(&kvm->srcu); in kvm_set_routing_entry()
2907 uaddr_s = gpa_to_hva(kvm, ue->u.adapter.summary_addr); in kvm_set_routing_entry()
2908 uaddr_i = gpa_to_hva(kvm, ue->u.adapter.ind_addr); in kvm_set_routing_entry()
2909 srcu_read_unlock(&kvm->srcu, idx); in kvm_set_routing_entry()
2912 return -EFAULT; in kvm_set_routing_entry()
2913 e->adapter.summary_addr = uaddr_s; in kvm_set_routing_entry()
2914 e->adapter.ind_addr = uaddr_i; in kvm_set_routing_entry()
2915 e->adapter.summary_offset = ue->u.adapter.summary_offset; in kvm_set_routing_entry()
2916 e->adapter.ind_offset = ue->u.adapter.ind_offset; in kvm_set_routing_entry()
2917 e->adapter.adapter_id = ue->u.adapter.adapter_id; in kvm_set_routing_entry()
2920 return -EINVAL; in kvm_set_routing_entry()
2927 return -EINVAL; in kvm_set_msi()
2932 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_set_irq_state()
2939 return -ENOMEM; in kvm_s390_set_irq_state()
2942 r = -EFAULT; in kvm_s390_set_irq_state()
2950 spin_lock(&li->lock); in kvm_s390_set_irq_state()
2951 if (li->pending_irqs) { in kvm_s390_set_irq_state()
2952 r = -EBUSY; in kvm_s390_set_irq_state()
2963 spin_unlock(&li->lock); in kvm_s390_set_irq_state()
2977 irq->type = KVM_S390_MCHK; in store_local_irq()
2978 irq->u.mchk = li->irq.mchk; in store_local_irq()
2981 irq->type = KVM_S390_PROGRAM_INT; in store_local_irq()
2982 irq->u.pgm = li->irq.pgm; in store_local_irq()
2985 irq->type = KVM_S390_INT_PFAULT_INIT; in store_local_irq()
2986 irq->u.ext = li->irq.ext; in store_local_irq()
2989 irq->type = KVM_S390_INT_EXTERNAL_CALL; in store_local_irq()
2990 irq->u.extcall = li->irq.extcall; in store_local_irq()
2993 irq->type = KVM_S390_INT_CLOCK_COMP; in store_local_irq()
2996 irq->type = KVM_S390_INT_CPU_TIMER; in store_local_irq()
2999 irq->type = KVM_S390_SIGP_STOP; in store_local_irq()
3000 irq->u.stop = li->irq.stop; in store_local_irq()
3003 irq->type = KVM_S390_RESTART; in store_local_irq()
3006 irq->type = KVM_S390_SIGP_SET_PREFIX; in store_local_irq()
3007 irq->u.prefix = li->irq.prefix; in store_local_irq()
3016 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_get_irq_state()
3023 spin_lock(&li->lock); in kvm_s390_get_irq_state()
3024 pending_irqs = li->pending_irqs; in kvm_s390_get_irq_state()
3025 memcpy(&sigp_emerg_pending, &li->sigp_emerg_pending, in kvm_s390_get_irq_state()
3027 spin_unlock(&li->lock); in kvm_s390_get_irq_state()
3034 return -ENOBUFS; in kvm_s390_get_irq_state()
3035 store_local_irq(&vcpu->arch.local_int, &irq, irq_type); in kvm_s390_get_irq_state()
3037 return -EFAULT; in kvm_s390_get_irq_state()
3045 return -ENOBUFS; in kvm_s390_get_irq_state()
3049 return -EFAULT; in kvm_s390_get_irq_state()
3056 return -ENOBUFS; in kvm_s390_get_irq_state()
3061 return -EFAULT; in kvm_s390_get_irq_state()
3070 int vcpu_idx, online_vcpus = atomic_read(&kvm->online_vcpus); in __airqs_kick_single_vcpu()
3071 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __airqs_kick_single_vcpu()
3075 for_each_set_bit(vcpu_idx, kvm->arch.idle_mask, online_vcpus) { in __airqs_kick_single_vcpu()
3079 vcpu_isc_mask = (u8)(vcpu->arch.sie_block->gcr[6] >> 24); in __airqs_kick_single_vcpu()
3082 if (test_and_set_bit(vcpu_idx, gi->kicked_mask)) in __airqs_kick_single_vcpu()
3095 container_of(gi->origin, struct sie_page2, gisa)->kvm; in gisa_vcpu_kicker()
3101 hrtimer_forward_now(timer, ns_to_ktime(gi->expires)); in gisa_vcpu_kicker()
3131 * for guests not in the yet cut-off alert list. When in the in process_gib_alert_list()
3132 * final loop, store the NULL_GISA_ADDR instead. This will re- in process_gib_alert_list()
3135 origin = xchg(&gib->alert_list_origin, in process_gib_alert_list()
3138 * Loop through the just cut-off alert list and start the in process_gib_alert_list()
3145 origin = gisa->next_alert; in process_gib_alert_list()
3146 gisa->next_alert = gisa_phys; in process_gib_alert_list()
3147 kvm = container_of(gisa, struct sie_page2, gisa)->kvm; in process_gib_alert_list()
3148 gi = &kvm->arch.gisa_int; in process_gib_alert_list()
3149 if (hrtimer_active(&gi->timer)) in process_gib_alert_list()
3150 hrtimer_cancel(&gi->timer); in process_gib_alert_list()
3151 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in process_gib_alert_list()
3159 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_clear()
3161 if (!gi->origin) in kvm_s390_gisa_clear()
3163 gisa_clear_ipm(gi->origin); in kvm_s390_gisa_clear()
3164 VM_EVENT(kvm, 3, "gisa 0x%pK cleared", gi->origin); in kvm_s390_gisa_clear()
3169 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_init()
3173 gi->origin = &kvm->arch.sie_page2->gisa; in kvm_s390_gisa_init()
3174 gi->alert.mask = 0; in kvm_s390_gisa_init()
3175 spin_lock_init(&gi->alert.ref_lock); in kvm_s390_gisa_init()
3176 gi->expires = 50 * 1000; /* 50 usec */ in kvm_s390_gisa_init()
3177 hrtimer_init(&gi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in kvm_s390_gisa_init()
3178 gi->timer.function = gisa_vcpu_kicker; in kvm_s390_gisa_init()
3179 memset(gi->origin, 0, sizeof(struct kvm_s390_gisa)); in kvm_s390_gisa_init()
3180 gi->origin->next_alert = (u32)virt_to_phys(gi->origin); in kvm_s390_gisa_init()
3181 VM_EVENT(kvm, 3, "gisa 0x%pK initialized", gi->origin); in kvm_s390_gisa_init()
3186 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_enable()
3191 if (gi->origin) in kvm_s390_gisa_enable()
3198 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_enable()
3199 vcpu->arch.sie_block->gd = gisa_desc; in kvm_s390_gisa_enable()
3200 vcpu->arch.sie_block->eca |= ECA_AIV; in kvm_s390_gisa_enable()
3201 VCPU_EVENT(vcpu, 3, "AIV gisa format-%u enabled for cpu %03u", in kvm_s390_gisa_enable()
3202 vcpu->arch.sie_block->gd & 0x3, vcpu->vcpu_id); in kvm_s390_gisa_enable()
3203 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_enable()
3209 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_destroy()
3210 struct kvm_s390_gisa *gisa = gi->origin; in kvm_s390_gisa_destroy()
3212 if (!gi->origin) in kvm_s390_gisa_destroy()
3214 WARN(gi->alert.mask != 0x00, in kvm_s390_gisa_destroy()
3216 gi->alert.mask); in kvm_s390_gisa_destroy()
3217 gi->alert.mask = 0x00; in kvm_s390_gisa_destroy()
3218 if (gisa_set_iam(gi->origin, gi->alert.mask)) in kvm_s390_gisa_destroy()
3220 hrtimer_cancel(&gi->timer); in kvm_s390_gisa_destroy()
3221 gi->origin = NULL; in kvm_s390_gisa_destroy()
3227 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_disable()
3231 if (!gi->origin) in kvm_s390_gisa_disable()
3234 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_disable()
3235 vcpu->arch.sie_block->eca &= ~ECA_AIV; in kvm_s390_gisa_disable()
3236 vcpu->arch.sie_block->gd = 0U; in kvm_s390_gisa_disable()
3237 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_disable()
3238 VCPU_EVENT(vcpu, 3, "AIV disabled for cpu %03u", vcpu->vcpu_id); in kvm_s390_gisa_disable()
3244 * kvm_s390_gisc_register - register a guest ISC
3257 * -ENODEV in case the vm uses no GISA
3258 * -ERANGE in case the guest ISC is invalid
3262 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_register()
3264 if (!gi->origin) in kvm_s390_gisc_register()
3265 return -ENODEV; in kvm_s390_gisc_register()
3267 return -ERANGE; in kvm_s390_gisc_register()
3269 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3270 gi->alert.ref_count[gisc]++; in kvm_s390_gisc_register()
3271 if (gi->alert.ref_count[gisc] == 1) { in kvm_s390_gisc_register()
3272 gi->alert.mask |= 0x80 >> gisc; in kvm_s390_gisc_register()
3273 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_register()
3275 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3277 return gib->nisc; in kvm_s390_gisc_register()
3282 * kvm_s390_gisc_unregister - unregister a guest ISC
3295 * -ENODEV in case the vm uses no GISA
3296 * -ERANGE in case the guest ISC is invalid
3297 * -EINVAL in case the guest ISC is not registered
3301 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_unregister()
3304 if (!gi->origin) in kvm_s390_gisc_unregister()
3305 return -ENODEV; in kvm_s390_gisc_unregister()
3307 return -ERANGE; in kvm_s390_gisc_unregister()
3309 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3310 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3311 rc = -EINVAL; in kvm_s390_gisc_unregister()
3314 gi->alert.ref_count[gisc]--; in kvm_s390_gisc_unregister()
3315 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3316 gi->alert.mask &= ~(0x80 >> gisc); in kvm_s390_gisc_unregister()
3317 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_unregister()
3320 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3332 gaite = (struct zpci_gaite *)aift->gait + in aen_host_forward()
3334 if (gaite->count == 0) in aen_host_forward()
3336 if (gaite->aisb != 0) in aen_host_forward()
3337 set_bit_inv(gaite->aisbo, phys_to_virt(gaite->aisb)); in aen_host_forward()
3342 gi = &kvm->arch.gisa_int; in aen_host_forward()
3344 if (!(gi->origin->g1.simm & AIS_MODE_MASK(gaite->gisc)) || in aen_host_forward()
3345 !(gi->origin->g1.nimm & AIS_MODE_MASK(gaite->gisc))) { in aen_host_forward()
3346 gisa_set_ipm_gisc(gi->origin, gaite->gisc); in aen_host_forward()
3347 if (hrtimer_active(&gi->timer)) in aen_host_forward()
3348 hrtimer_cancel(&gi->timer); in aen_host_forward()
3349 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in aen_host_forward()
3350 kvm->stat.aen_forward++; in aen_host_forward()
3360 spin_lock_irqsave(&aift->gait_lock, flags); in aen_process_gait()
3362 if (!aift->gait) { in aen_process_gait()
3363 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3369 si = airq_iv_scan(aift->sbv, si, airq_iv_end(aift->sbv)); in aen_process_gait()
3370 if (si == -1UL) { in aen_process_gait()
3372 /* Re-enable interrupts. */ in aen_process_gait()
3382 /* Scan again after re-enabling interrupts */ in aen_process_gait()
3389 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3399 if ((info->forward || info->error) && in gib_alert_irq_handler()
3401 aen_process_gait(info->isc); in gib_alert_irq_handler()
3402 if (info->aism != 0) in gib_alert_irq_handler()
3418 mutex_lock(&aift->aift_lock); in kvm_s390_gib_destroy()
3420 mutex_unlock(&aift->aift_lock); in kvm_s390_gib_destroy()
3440 rc = -ENOMEM; in kvm_s390_gib_init()
3447 rc = -EIO; in kvm_s390_gib_init()
3453 gib->nisc = nisc; in kvm_s390_gib_init()
3459 rc = -EIO; in kvm_s390_gib_init()
3466 rc = -EIO; in kvm_s390_gib_init()
3471 KVM_EVENT(3, "gib 0x%pK (nisc=%d) initialized", gib, gib->nisc); in kvm_s390_gib_init()