Lines Matching +full:eic +full:- +full:async
1 // SPDX-License-Identifier: GPL-2.0
10 #define KMSG_COMPONENT "kvm-s390"
24 #include <asm/access-regs.h>
25 #include <asm/asm-offsets.h>
34 #include "kvm-s390.h"
36 #include "trace-s390.h"
54 read_lock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
55 if (vcpu->kvm->arch.use_esca) { in sca_ext_call_pending()
56 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
58 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
63 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_ext_call_pending()
65 sca->cpu[vcpu->vcpu_id].sigp_ctrl; in sca_ext_call_pending()
70 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_ext_call_pending()
83 read_lock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
84 if (vcpu->kvm->arch.use_esca) { in sca_inject_ext_call()
85 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
87 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
96 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
98 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_inject_ext_call()
100 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_inject_ext_call()
109 rc = cmpxchg(&sigp_ctrl->value, old_val.value, new_val.value); in sca_inject_ext_call()
111 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_inject_ext_call()
115 return -EBUSY; in sca_inject_ext_call()
126 read_lock(&vcpu->kvm->arch.sca_lock); in sca_clear_ext_call()
127 if (vcpu->kvm->arch.use_esca) { in sca_clear_ext_call()
128 struct esca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
130 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_clear_ext_call()
132 WRITE_ONCE(sigp_ctrl->value, 0); in sca_clear_ext_call()
134 struct bsca_block *sca = vcpu->kvm->arch.sca; in sca_clear_ext_call()
136 &(sca->cpu[vcpu->vcpu_id].sigp_ctrl); in sca_clear_ext_call()
138 WRITE_ONCE(sigp_ctrl->value, 0); in sca_clear_ext_call()
140 read_unlock(&vcpu->kvm->arch.sca_lock); in sca_clear_ext_call()
145 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT); in psw_extint_disabled()
150 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_IO); in psw_ioint_disabled()
155 return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_MCHECK); in psw_mchk_disabled()
168 !(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in ckc_interrupts_enabled()
178 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in ckc_irq_pending()
179 const u64 ckc = vcpu->arch.sie_block->ckc; in ckc_irq_pending()
181 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in ckc_irq_pending()
193 (vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK); in cpu_timer_interrupts_enabled()
227 * gisa_set_iam - change the GISA interruption alert mask
237 * -EBUSY in case the gisa is part of the alert list
243 word = READ_ONCE(gisa->u64.word[0]); in gisa_set_iam()
246 return -EBUSY; in gisa_set_iam()
248 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_set_iam()
254 * gisa_clear_ipm - clear the GISA interruption pending mask
266 word = READ_ONCE(gisa->u64.word[0]); in gisa_clear_ipm()
269 } while (!try_cmpxchg(&gisa->u64.word[0], &word, _word)); in gisa_clear_ipm()
273 * gisa_get_ipm_or_restore_iam - return IPM or restore GISA IAM
287 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
289 alert_mask = READ_ONCE(gi->alert.mask); in gisa_get_ipm_or_restore_iam()
294 } while (!try_cmpxchg(&gi->origin->u64.word[0], &word, _word)); in gisa_get_ipm_or_restore_iam()
306 return READ_ONCE(gisa->ipm); in gisa_get_ipm()
316 unsigned long pending = vcpu->kvm->arch.float_int.pending_irqs | in pending_irqs_no_gisa()
317 vcpu->arch.local_int.pending_irqs; in pending_irqs_no_gisa()
319 pending &= ~vcpu->kvm->arch.float_int.masked_irqs; in pending_irqs_no_gisa()
325 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in pending_irqs()
329 if (gi->origin) in pending_irqs()
330 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
336 return IRQ_PEND_IO_ISC_0 - isc; in isc_to_irq_type()
341 return IRQ_PEND_IO_ISC_0 - irq_type; in irq_type_to_isc()
350 if (!(vcpu->arch.sie_block->gcr[6] & isc_to_isc_bits(i))) in disable_iscs()
370 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in deliverable_irqs()
372 if (!(vcpu->arch.sie_block->gcr[0] & CR0_EMERGENCY_SIGNAL_SUBMASK)) in deliverable_irqs()
374 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SUBMASK)) in deliverable_irqs()
376 if (!(vcpu->arch.sie_block->gcr[0] & CR0_CPU_TIMER_SUBMASK)) in deliverable_irqs()
378 if (!(vcpu->arch.sie_block->gcr[0] & CR0_SERVICE_SIGNAL_SUBMASK)) { in deliverable_irqs()
386 vcpu->arch.sie_block->iictl != IICTL_CODE_NONE) in deliverable_irqs()
394 if (!(vcpu->arch.sie_block->gcr[14] & in deliverable_irqs()
395 (vcpu->kvm->arch.float_int.mchk.cr14 | in deliverable_irqs()
396 vcpu->arch.local_int.irq.mchk.cr14))) in deliverable_irqs()
411 set_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __set_cpu_idle()
417 clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); in __unset_cpu_idle()
424 vcpu->arch.sie_block->lctl = 0x0000; in __reset_intercept_indicators()
425 vcpu->arch.sie_block->ictl &= ~(ICTL_LPSW | ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
428 vcpu->arch.sie_block->lctl |= (LCTL_CR0 | LCTL_CR9 | in __reset_intercept_indicators()
430 vcpu->arch.sie_block->ictl |= (ICTL_STCTL | ICTL_PINT); in __reset_intercept_indicators()
441 vcpu->arch.sie_block->lctl |= LCTL_CR6; in set_intercept_indicators_io()
451 vcpu->arch.sie_block->lctl |= LCTL_CR0; in set_intercept_indicators_ext()
459 vcpu->arch.sie_block->ictl |= ICTL_LPSW; in set_intercept_indicators_mchk()
461 vcpu->arch.sie_block->lctl |= LCTL_CR14; in set_intercept_indicators_mchk()
470 /* Set interception request for non-deliverable interrupts */
481 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_cpu_timer()
484 vcpu->stat.deliver_cputm++; in __deliver_cpu_timer()
485 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __deliver_cpu_timer()
488 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_cpu_timer()
489 vcpu->arch.sie_block->eic = EXT_IRQ_CPU_TIMER; in __deliver_cpu_timer()
495 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
497 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_cpu_timer()
499 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __deliver_cpu_timer()
500 return rc ? -EFAULT : 0; in __deliver_cpu_timer()
505 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_ckc()
508 vcpu->stat.deliver_ckc++; in __deliver_ckc()
509 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __deliver_ckc()
512 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_ckc()
513 vcpu->arch.sie_block->eic = EXT_IRQ_CLK_COMP; in __deliver_ckc()
519 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
521 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_ckc()
523 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __deliver_ckc()
524 return rc ? -EFAULT : 0; in __deliver_ckc()
529 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_pfault_init()
533 spin_lock(&li->lock); in __deliver_pfault_init()
534 ext = li->irq.ext; in __deliver_pfault_init()
535 clear_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __deliver_pfault_init()
536 li->irq.ext.ext_params2 = 0; in __deliver_pfault_init()
537 spin_unlock(&li->lock); in __deliver_pfault_init()
541 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_init()
548 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
550 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_pfault_init()
552 return rc ? -EFAULT : 0; in __deliver_pfault_init()
571 vcpu->arch.sie_block->iictl = IICTL_CODE_MCHK; in __write_machine_check()
572 vcpu->arch.sie_block->mcic = mchk->mcic; in __write_machine_check()
573 vcpu->arch.sie_block->faddr = mchk->failing_storage_address; in __write_machine_check()
574 vcpu->arch.sie_block->edc = mchk->ext_damage_code; in __write_machine_check()
578 mci.val = mchk->mcic; in __write_machine_check()
580 kvm_s390_fpu_store(vcpu->run); in __write_machine_check()
581 save_access_regs(vcpu->run->s.regs.acrs); in __write_machine_check()
582 if (cpu_has_gs() && vcpu->arch.gs_enabled) in __write_machine_check()
583 save_gs_cb(current->thread.gs_cb); in __write_machine_check()
588 /* Only bits 0 through 63-LC are used for address formation */ in __write_machine_check()
590 if (test_kvm_facility(vcpu->kvm, 133)) { in __write_machine_check()
610 if (!rc && mci.vr && ext_sa_addr && test_kvm_facility(vcpu->kvm, 129)) { in __write_machine_check()
611 if (write_guest_abs(vcpu, ext_sa_addr, vcpu->run->s.regs.vrs, in __write_machine_check()
617 if (!rc && mci.gs && ext_sa_addr && test_kvm_facility(vcpu->kvm, 133) in __write_machine_check()
620 &vcpu->run->s.regs.gscb, 32)) in __write_machine_check()
629 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
631 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __write_machine_check()
634 /* Register-save areas */ in __write_machine_check()
636 convert_vx_to_fp(fprs, (__vector128 *) vcpu->run->s.regs.vrs); in __write_machine_check()
640 vcpu->run->s.regs.fprs, 128); in __write_machine_check()
643 vcpu->run->s.regs.gprs, 128); in __write_machine_check()
644 rc |= put_guest_lc(vcpu, vcpu->run->s.regs.fpc, in __write_machine_check()
646 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->todpr, in __write_machine_check()
650 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->ckc >> 8, in __write_machine_check()
653 &vcpu->run->s.regs.acrs, 64); in __write_machine_check()
655 &vcpu->arch.sie_block->gcr, 128); in __write_machine_check()
658 rc |= put_guest_lc(vcpu, mchk->ext_damage_code, in __write_machine_check()
660 rc |= put_guest_lc(vcpu, mchk->failing_storage_address, in __write_machine_check()
662 rc |= write_guest_lc(vcpu, __LC_PSW_SAVE_AREA, &mchk->fixed_logout, in __write_machine_check()
663 sizeof(mchk->fixed_logout)); in __write_machine_check()
664 return rc ? -EFAULT : 0; in __write_machine_check()
669 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_machine_check()
670 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_machine_check()
675 spin_lock(&fi->lock); in __deliver_machine_check()
676 spin_lock(&li->lock); in __deliver_machine_check()
677 if (test_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs) || in __deliver_machine_check()
678 test_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs)) { in __deliver_machine_check()
685 mchk = li->irq.mchk; in __deliver_machine_check()
686 clear_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __deliver_machine_check()
687 clear_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __deliver_machine_check()
688 memset(&li->irq.mchk, 0, sizeof(mchk)); in __deliver_machine_check()
697 if (test_and_clear_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in __deliver_machine_check()
698 mchk.mcic |= fi->mchk.mcic; in __deliver_machine_check()
699 mchk.cr14 |= fi->mchk.cr14; in __deliver_machine_check()
700 memset(&fi->mchk, 0, sizeof(mchk)); in __deliver_machine_check()
703 spin_unlock(&li->lock); in __deliver_machine_check()
704 spin_unlock(&fi->lock); in __deliver_machine_check()
709 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_machine_check()
712 vcpu->stat.deliver_machine_check++; in __deliver_machine_check()
720 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_restart()
724 vcpu->stat.deliver_restart_signal++; in __deliver_restart()
725 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __deliver_restart()
728 vcpu->arch.sie_block->iictl = IICTL_CODE_RESTART; in __deliver_restart()
732 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
734 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_restart()
736 clear_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __deliver_restart()
737 return rc ? -EFAULT : 0; in __deliver_restart()
742 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_set_prefix()
745 spin_lock(&li->lock); in __deliver_set_prefix()
746 prefix = li->irq.prefix; in __deliver_set_prefix()
747 li->irq.prefix.address = 0; in __deliver_set_prefix()
748 clear_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __deliver_set_prefix()
749 spin_unlock(&li->lock); in __deliver_set_prefix()
751 vcpu->stat.deliver_prefix_signal++; in __deliver_set_prefix()
752 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_set_prefix()
762 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_emergency_signal()
766 spin_lock(&li->lock); in __deliver_emergency_signal()
767 cpu_addr = find_first_bit(li->sigp_emerg_pending, KVM_MAX_VCPUS); in __deliver_emergency_signal()
768 clear_bit(cpu_addr, li->sigp_emerg_pending); in __deliver_emergency_signal()
769 if (bitmap_empty(li->sigp_emerg_pending, KVM_MAX_VCPUS)) in __deliver_emergency_signal()
770 clear_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __deliver_emergency_signal()
771 spin_unlock(&li->lock); in __deliver_emergency_signal()
774 vcpu->stat.deliver_emergency_signal++; in __deliver_emergency_signal()
775 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __deliver_emergency_signal()
778 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_emergency_signal()
779 vcpu->arch.sie_block->eic = EXT_IRQ_EMERGENCY_SIG; in __deliver_emergency_signal()
780 vcpu->arch.sie_block->extcpuaddr = cpu_addr; in __deliver_emergency_signal()
788 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
790 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_emergency_signal()
791 return rc ? -EFAULT : 0; in __deliver_emergency_signal()
796 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_external_call()
800 spin_lock(&li->lock); in __deliver_external_call()
801 extcall = li->irq.extcall; in __deliver_external_call()
802 li->irq.extcall.code = 0; in __deliver_external_call()
803 clear_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in __deliver_external_call()
804 spin_unlock(&li->lock); in __deliver_external_call()
807 vcpu->stat.deliver_external_call++; in __deliver_external_call()
808 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_external_call()
812 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in __deliver_external_call()
813 vcpu->arch.sie_block->eic = EXT_IRQ_EXTERNAL_CALL; in __deliver_external_call()
814 vcpu->arch.sie_block->extcpuaddr = extcall.code; in __deliver_external_call()
822 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_external_call()
823 rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, in __deliver_external_call()
825 return rc ? -EFAULT : 0; in __deliver_external_call()
832 vcpu->arch.sie_block->iictl = IICTL_CODE_SPECIFICATION; in __deliver_prog_pv()
835 vcpu->arch.sie_block->iictl = IICTL_CODE_OPERAND; in __deliver_prog_pv()
838 return -EINVAL; in __deliver_prog_pv()
845 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __deliver_prog()
850 spin_lock(&li->lock); in __deliver_prog()
851 pgm_info = li->irq.pgm; in __deliver_prog()
852 clear_bit(IRQ_PEND_PROG, &li->pending_irqs); in __deliver_prog()
853 memset(&li->irq.pgm, 0, sizeof(pgm_info)); in __deliver_prog()
854 spin_unlock(&li->lock); in __deliver_prog()
859 vcpu->stat.deliver_program++; in __deliver_prog()
860 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __deliver_prog()
951 rc |= put_guest_lc(vcpu, vcpu->arch.sie_block->gbea, in __deliver_prog()
955 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
957 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in __deliver_prog()
958 return rc ? -EFAULT : 0; in __deliver_prog()
969 vcpu->arch.sie_block->iictl = IICTL_CODE_EXT; in write_sclp()
970 vcpu->arch.sie_block->eic = EXT_IRQ_SERVICE_SIG; in write_sclp()
971 vcpu->arch.sie_block->eiparams = parm; in write_sclp()
978 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
980 &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); in write_sclp()
984 return rc ? -EFAULT : 0; in write_sclp()
989 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service()
992 spin_lock(&fi->lock); in __deliver_service()
993 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs) || in __deliver_service()
994 !(test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs))) { in __deliver_service()
995 spin_unlock(&fi->lock); in __deliver_service()
998 ext = fi->srv_signal; in __deliver_service()
999 memset(&fi->srv_signal, 0, sizeof(ext)); in __deliver_service()
1000 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __deliver_service()
1001 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service()
1003 set_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in __deliver_service()
1004 spin_unlock(&fi->lock); in __deliver_service()
1008 vcpu->stat.deliver_service_signal++; in __deliver_service()
1009 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service()
1017 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_service_ev()
1020 spin_lock(&fi->lock); in __deliver_service_ev()
1021 if (!(test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs))) { in __deliver_service_ev()
1022 spin_unlock(&fi->lock); in __deliver_service_ev()
1025 ext = fi->srv_signal; in __deliver_service_ev()
1027 fi->srv_signal.ext_params &= ~SCCB_EVENT_PENDING; in __deliver_service_ev()
1028 clear_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __deliver_service_ev()
1029 spin_unlock(&fi->lock); in __deliver_service_ev()
1032 vcpu->stat.deliver_service_signal++; in __deliver_service_ev()
1033 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_INT_SERVICE, in __deliver_service_ev()
1041 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_pfault_done()
1045 spin_lock(&fi->lock); in __deliver_pfault_done()
1046 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_PFAULT], in __deliver_pfault_done()
1050 list_del(&inti->list); in __deliver_pfault_done()
1051 fi->counters[FIRQ_CNTR_PFAULT] -= 1; in __deliver_pfault_done()
1053 if (list_empty(&fi->lists[FIRQ_LIST_PFAULT])) in __deliver_pfault_done()
1054 clear_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __deliver_pfault_done()
1055 spin_unlock(&fi->lock); in __deliver_pfault_done()
1058 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_pfault_done()
1060 inti->ext.ext_params2); in __deliver_pfault_done()
1062 inti->ext.ext_params2); in __deliver_pfault_done()
1069 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1072 &vcpu->arch.sie_block->gpsw, in __deliver_pfault_done()
1074 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_pfault_done()
1078 return rc ? -EFAULT : 0; in __deliver_pfault_done()
1083 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in __deliver_virtio()
1087 spin_lock(&fi->lock); in __deliver_virtio()
1088 inti = list_first_entry_or_null(&fi->lists[FIRQ_LIST_VIRTIO], in __deliver_virtio()
1094 inti->ext.ext_params, inti->ext.ext_params2); in __deliver_virtio()
1095 vcpu->stat.deliver_virtio++; in __deliver_virtio()
1096 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_virtio()
1097 inti->type, in __deliver_virtio()
1098 inti->ext.ext_params, in __deliver_virtio()
1099 inti->ext.ext_params2); in __deliver_virtio()
1100 list_del(&inti->list); in __deliver_virtio()
1101 fi->counters[FIRQ_CNTR_VIRTIO] -= 1; in __deliver_virtio()
1103 if (list_empty(&fi->lists[FIRQ_LIST_VIRTIO])) in __deliver_virtio()
1104 clear_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __deliver_virtio()
1105 spin_unlock(&fi->lock); in __deliver_virtio()
1113 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1116 &vcpu->arch.sie_block->gpsw, in __deliver_virtio()
1118 rc |= put_guest_lc(vcpu, inti->ext.ext_params, in __deliver_virtio()
1120 rc |= put_guest_lc(vcpu, inti->ext.ext_params2, in __deliver_virtio()
1124 return rc ? -EFAULT : 0; in __deliver_virtio()
1132 vcpu->arch.sie_block->iictl = IICTL_CODE_IO; in __do_deliver_io()
1133 vcpu->arch.sie_block->subchannel_id = io->subchannel_id; in __do_deliver_io()
1134 vcpu->arch.sie_block->subchannel_nr = io->subchannel_nr; in __do_deliver_io()
1135 vcpu->arch.sie_block->io_int_parm = io->io_int_parm; in __do_deliver_io()
1136 vcpu->arch.sie_block->io_int_word = io->io_int_word; in __do_deliver_io()
1140 rc = put_guest_lc(vcpu, io->subchannel_id, (u16 *)__LC_SUBCHANNEL_ID); in __do_deliver_io()
1141 rc |= put_guest_lc(vcpu, io->subchannel_nr, (u16 *)__LC_SUBCHANNEL_NR); in __do_deliver_io()
1142 rc |= put_guest_lc(vcpu, io->io_int_parm, (u32 *)__LC_IO_INT_PARM); in __do_deliver_io()
1143 rc |= put_guest_lc(vcpu, io->io_int_word, (u32 *)__LC_IO_INT_WORD); in __do_deliver_io()
1145 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1148 &vcpu->arch.sie_block->gpsw, in __do_deliver_io()
1150 return rc ? -EFAULT : 0; in __do_deliver_io()
1158 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in __deliver_io()
1164 fi = &vcpu->kvm->arch.float_int; in __deliver_io()
1166 spin_lock(&fi->lock); in __deliver_io()
1168 isc_list = &fi->lists[isc]; in __deliver_io()
1173 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __deliver_io()
1177 inti->io.subchannel_id >> 8, in __deliver_io()
1178 inti->io.subchannel_id >> 1 & 0x3, in __deliver_io()
1179 inti->io.subchannel_nr); in __deliver_io()
1181 vcpu->stat.deliver_io++; in __deliver_io()
1182 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1183 inti->type, in __deliver_io()
1184 ((__u32)inti->io.subchannel_id << 16) | in __deliver_io()
1185 inti->io.subchannel_nr, in __deliver_io()
1186 ((__u64)inti->io.io_int_parm << 32) | in __deliver_io()
1187 inti->io.io_int_word); in __deliver_io()
1188 list_del(&inti->list); in __deliver_io()
1189 fi->counters[FIRQ_CNTR_IO] -= 1; in __deliver_io()
1192 clear_bit(irq_type, &fi->pending_irqs); in __deliver_io()
1193 spin_unlock(&fi->lock); in __deliver_io()
1196 rc = __do_deliver_io(vcpu, &(inti->io)); in __deliver_io()
1201 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1209 vcpu->stat.deliver_io++; in __deliver_io()
1210 trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, in __deliver_io()
1225 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_ext_call_pending()
1228 return test_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs); in kvm_s390_ext_call_pending()
1244 (vcpu->arch.sie_block->gcr[0] & CR0_EXTERNAL_CALL_SUBMASK)) in kvm_s390_vcpu_has_irq()
1259 const u64 now = kvm_s390_get_tod_clock_fast(vcpu->kvm); in __calculate_sltime()
1260 const u64 ckc = vcpu->arch.sie_block->ckc; in __calculate_sltime()
1264 if (vcpu->arch.sie_block->gcr[0] & CR0_CLOCK_COMPARATOR_SIGN) { in __calculate_sltime()
1266 sltime = tod_to_ns((s64)ckc - (s64)now); in __calculate_sltime()
1268 sltime = tod_to_ns(ckc - now); in __calculate_sltime()
1291 struct kvm_s390_gisa_interrupt *gi = &vcpu->kvm->arch.gisa_int; in kvm_s390_handle_wait()
1294 vcpu->stat.exit_wait_state++; in kvm_s390_handle_wait()
1302 return -EOPNOTSUPP; /* disabled wait */ in kvm_s390_handle_wait()
1305 if (gi->origin && in kvm_s390_handle_wait()
1307 vcpu->arch.sie_block->gcr[6] >> 24)) in kvm_s390_handle_wait()
1322 hrtimer_start(&vcpu->arch.ckc_timer, sltime, HRTIMER_MODE_REL); in kvm_s390_handle_wait()
1326 vcpu->kvm->arch.float_int.last_sleep_cpu = vcpu->vcpu_idx; in kvm_s390_handle_wait()
1328 vcpu->valid_wakeup = false; in kvm_s390_handle_wait()
1332 hrtimer_cancel(&vcpu->arch.ckc_timer); in kvm_s390_handle_wait()
1338 vcpu->valid_wakeup = true; in kvm_s390_vcpu_wakeup()
1368 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_local_irqs()
1370 spin_lock(&li->lock); in kvm_s390_clear_local_irqs()
1371 li->pending_irqs = 0; in kvm_s390_clear_local_irqs()
1372 bitmap_zero(li->sigp_emerg_pending, KVM_MAX_VCPUS); in kvm_s390_clear_local_irqs()
1373 memset(&li->irq, 0, sizeof(li->irq)); in kvm_s390_clear_local_irqs()
1374 spin_unlock(&li->lock); in kvm_s390_clear_local_irqs()
1381 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_deliver_pending_interrupts()
1390 clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1392 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1395 clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1397 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1455 clear_bit(irq_type, &li->pending_irqs); in kvm_s390_deliver_pending_interrupts()
1465 struct kvm_debug_exit_arch *debug_exit = &vcpu->run->debug.arch; in kvm_s390_deliver_pending_interrupts()
1467 debug_exit->addr = vcpu->arch.sie_block->gpsw.addr; in kvm_s390_deliver_pending_interrupts()
1468 debug_exit->type = KVM_SINGLESTEP; in kvm_s390_deliver_pending_interrupts()
1469 vcpu->guest_debug |= KVM_GUESTDBG_EXIT_PENDING; in kvm_s390_deliver_pending_interrupts()
1479 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_prog()
1481 vcpu->stat.inject_program++; in __inject_prog()
1482 VCPU_EVENT(vcpu, 3, "inject: program irq code 0x%x", irq->u.pgm.code); in __inject_prog()
1483 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, in __inject_prog()
1484 irq->u.pgm.code, 0); in __inject_prog()
1486 if (!(irq->u.pgm.flags & KVM_S390_PGM_FLAGS_ILC_VALID)) { in __inject_prog()
1488 irq->u.pgm.flags &= ~KVM_S390_PGM_FLAGS_ILC_MASK; in __inject_prog()
1489 irq->u.pgm.flags |= kvm_s390_get_ilen(vcpu); in __inject_prog()
1490 irq->u.pgm.flags |= KVM_S390_PGM_FLAGS_ILC_VALID; in __inject_prog()
1493 if (irq->u.pgm.code == PGM_PER) { in __inject_prog()
1494 li->irq.pgm.code |= PGM_PER; in __inject_prog()
1495 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1497 li->irq.pgm.per_address = irq->u.pgm.per_address; in __inject_prog()
1498 li->irq.pgm.per_code = irq->u.pgm.per_code; in __inject_prog()
1499 li->irq.pgm.per_atmid = irq->u.pgm.per_atmid; in __inject_prog()
1500 li->irq.pgm.per_access_id = irq->u.pgm.per_access_id; in __inject_prog()
1501 } else if (!(irq->u.pgm.code & PGM_PER)) { in __inject_prog()
1502 li->irq.pgm.code = (li->irq.pgm.code & PGM_PER) | in __inject_prog()
1503 irq->u.pgm.code; in __inject_prog()
1504 li->irq.pgm.flags = irq->u.pgm.flags; in __inject_prog()
1505 /* only modify non-PER information */ in __inject_prog()
1506 li->irq.pgm.trans_exc_code = irq->u.pgm.trans_exc_code; in __inject_prog()
1507 li->irq.pgm.mon_code = irq->u.pgm.mon_code; in __inject_prog()
1508 li->irq.pgm.data_exc_code = irq->u.pgm.data_exc_code; in __inject_prog()
1509 li->irq.pgm.mon_class_nr = irq->u.pgm.mon_class_nr; in __inject_prog()
1510 li->irq.pgm.exc_access_id = irq->u.pgm.exc_access_id; in __inject_prog()
1511 li->irq.pgm.op_access_id = irq->u.pgm.op_access_id; in __inject_prog()
1513 li->irq.pgm = irq->u.pgm; in __inject_prog()
1515 set_bit(IRQ_PEND_PROG, &li->pending_irqs); in __inject_prog()
1521 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_pfault_init()
1523 vcpu->stat.inject_pfault_init++; in __inject_pfault_init()
1525 irq->u.ext.ext_params2); in __inject_pfault_init()
1526 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_PFAULT_INIT, in __inject_pfault_init()
1527 irq->u.ext.ext_params, in __inject_pfault_init()
1528 irq->u.ext.ext_params2); in __inject_pfault_init()
1530 li->irq.ext = irq->u.ext; in __inject_pfault_init()
1531 set_bit(IRQ_PEND_PFAULT_INIT, &li->pending_irqs); in __inject_pfault_init()
1538 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_extcall()
1539 struct kvm_s390_extcall_info *extcall = &li->irq.extcall; in __inject_extcall()
1540 uint16_t src_id = irq->u.extcall.code; in __inject_extcall()
1542 vcpu->stat.inject_external_call++; in __inject_extcall()
1543 VCPU_EVENT(vcpu, 4, "inject: external call source-cpu:%u", in __inject_extcall()
1545 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EXTERNAL_CALL, in __inject_extcall()
1549 if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL) in __inject_extcall()
1550 return -EINVAL; in __inject_extcall()
1555 if (test_and_set_bit(IRQ_PEND_EXT_EXTERNAL, &li->pending_irqs)) in __inject_extcall()
1556 return -EBUSY; in __inject_extcall()
1557 *extcall = irq->u.extcall; in __inject_extcall()
1564 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_set_prefix()
1565 struct kvm_s390_prefix_info *prefix = &li->irq.prefix; in __inject_set_prefix()
1567 vcpu->stat.inject_set_prefix++; in __inject_set_prefix()
1569 irq->u.prefix.address); in __inject_set_prefix()
1570 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_SET_PREFIX, in __inject_set_prefix()
1571 irq->u.prefix.address, 0); in __inject_set_prefix()
1574 return -EBUSY; in __inject_set_prefix()
1576 *prefix = irq->u.prefix; in __inject_set_prefix()
1577 set_bit(IRQ_PEND_SET_PREFIX, &li->pending_irqs); in __inject_set_prefix()
1584 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_stop()
1585 struct kvm_s390_stop_info *stop = &li->irq.stop; in __inject_sigp_stop()
1588 vcpu->stat.inject_stop_signal++; in __inject_sigp_stop()
1589 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_SIGP_STOP, 0, 0); in __inject_sigp_stop()
1591 if (irq->u.stop.flags & ~KVM_S390_STOP_SUPP_FLAGS) in __inject_sigp_stop()
1592 return -EINVAL; in __inject_sigp_stop()
1595 if (irq->u.stop.flags & KVM_S390_STOP_FLAG_STORE_STATUS) in __inject_sigp_stop()
1601 if (test_and_set_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs)) in __inject_sigp_stop()
1602 return -EBUSY; in __inject_sigp_stop()
1603 stop->flags = irq->u.stop.flags; in __inject_sigp_stop()
1610 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_restart()
1612 vcpu->stat.inject_restart++; in __inject_sigp_restart()
1614 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_RESTART, 0, 0); in __inject_sigp_restart()
1616 set_bit(IRQ_PEND_RESTART, &li->pending_irqs); in __inject_sigp_restart()
1623 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_sigp_emergency()
1625 vcpu->stat.inject_emergency_signal++; in __inject_sigp_emergency()
1627 irq->u.emerg.code); in __inject_sigp_emergency()
1628 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, in __inject_sigp_emergency()
1629 irq->u.emerg.code, 0); in __inject_sigp_emergency()
1632 if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL) in __inject_sigp_emergency()
1633 return -EINVAL; in __inject_sigp_emergency()
1635 set_bit(irq->u.emerg.code, li->sigp_emerg_pending); in __inject_sigp_emergency()
1636 set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); in __inject_sigp_emergency()
1643 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_mchk()
1644 struct kvm_s390_mchk_info *mchk = &li->irq.mchk; in __inject_mchk()
1646 vcpu->stat.inject_mchk++; in __inject_mchk()
1648 irq->u.mchk.mcic); in __inject_mchk()
1649 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_MCHK, 0, in __inject_mchk()
1650 irq->u.mchk.mcic); in __inject_mchk()
1660 mchk->cr14 |= irq->u.mchk.cr14; in __inject_mchk()
1661 mchk->mcic |= irq->u.mchk.mcic; in __inject_mchk()
1662 mchk->ext_damage_code |= irq->u.mchk.ext_damage_code; in __inject_mchk()
1663 mchk->failing_storage_address = irq->u.mchk.failing_storage_address; in __inject_mchk()
1664 memcpy(&mchk->fixed_logout, &irq->u.mchk.fixed_logout, in __inject_mchk()
1665 sizeof(mchk->fixed_logout)); in __inject_mchk()
1666 if (mchk->mcic & MCHK_EX_MASK) in __inject_mchk()
1667 set_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); in __inject_mchk()
1668 else if (mchk->mcic & MCHK_REP_MASK) in __inject_mchk()
1669 set_bit(IRQ_PEND_MCHK_REP, &li->pending_irqs); in __inject_mchk()
1675 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_ckc()
1677 vcpu->stat.inject_ckc++; in __inject_ckc()
1679 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CLOCK_COMP, in __inject_ckc()
1682 set_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); in __inject_ckc()
1689 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in __inject_cpu_timer()
1691 vcpu->stat.inject_cputm++; in __inject_cpu_timer()
1693 trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_CPU_TIMER, in __inject_cpu_timer()
1696 set_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); in __inject_cpu_timer()
1704 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in get_io_int()
1705 struct list_head *isc_list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in get_io_int()
1710 spin_lock(&fi->lock); in get_io_int()
1712 if (schid && (id != iter->io.subchannel_id || in get_io_int()
1713 nr != iter->io.subchannel_nr)) in get_io_int()
1716 list_del_init(&iter->list); in get_io_int()
1717 fi->counters[FIRQ_CNTR_IO] -= 1; in get_io_int()
1719 clear_bit(isc_to_irq_type(isc), &fi->pending_irqs); in get_io_int()
1720 spin_unlock(&fi->lock); in get_io_int()
1723 spin_unlock(&fi->lock); in get_io_int()
1742 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_top_gisa_isc()
1748 if (!gi->origin) in get_top_gisa_isc()
1751 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1753 isc = __fls(active_mask) ^ (BITS_PER_LONG - 1); in get_top_gisa_isc()
1754 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1759 return -EINVAL; in get_top_gisa_isc()
1777 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_get_io_int()
1793 if (int_word_to_isc(inti->io.io_int_word) <= isc) { in kvm_s390_get_io_int()
1795 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1801 tmp_inti->type = KVM_S390_INT_IO(1, 0, 0, 0); in kvm_s390_get_io_int()
1802 tmp_inti->io.io_int_word = isc_to_int_word(isc); in kvm_s390_get_io_int()
1807 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
1815 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_service()
1817 kvm->stat.inject_service_signal++; in __inject_service()
1818 spin_lock(&fi->lock); in __inject_service()
1819 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_EVENT_PENDING; in __inject_service()
1822 if (fi->srv_signal.ext_params & SCCB_EVENT_PENDING) in __inject_service()
1823 set_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs); in __inject_service()
1833 if (fi->srv_signal.ext_params & SCCB_MASK) in __inject_service()
1835 fi->srv_signal.ext_params |= inti->ext.ext_params & SCCB_MASK; in __inject_service()
1836 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in __inject_service()
1838 spin_unlock(&fi->lock); in __inject_service()
1846 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_virtio()
1848 kvm->stat.inject_virtio++; in __inject_virtio()
1849 spin_lock(&fi->lock); in __inject_virtio()
1850 if (fi->counters[FIRQ_CNTR_VIRTIO] >= KVM_S390_MAX_VIRTIO_IRQS) { in __inject_virtio()
1851 spin_unlock(&fi->lock); in __inject_virtio()
1852 return -EBUSY; in __inject_virtio()
1854 fi->counters[FIRQ_CNTR_VIRTIO] += 1; in __inject_virtio()
1855 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_VIRTIO]); in __inject_virtio()
1856 set_bit(IRQ_PEND_VIRTIO, &fi->pending_irqs); in __inject_virtio()
1857 spin_unlock(&fi->lock); in __inject_virtio()
1864 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_pfault_done()
1866 kvm->stat.inject_pfault_done++; in __inject_pfault_done()
1867 spin_lock(&fi->lock); in __inject_pfault_done()
1868 if (fi->counters[FIRQ_CNTR_PFAULT] >= in __inject_pfault_done()
1870 spin_unlock(&fi->lock); in __inject_pfault_done()
1871 return -EBUSY; in __inject_pfault_done()
1873 fi->counters[FIRQ_CNTR_PFAULT] += 1; in __inject_pfault_done()
1874 list_add_tail(&inti->list, &fi->lists[FIRQ_LIST_PFAULT]); in __inject_pfault_done()
1875 set_bit(IRQ_PEND_PFAULT_DONE, &fi->pending_irqs); in __inject_pfault_done()
1876 spin_unlock(&fi->lock); in __inject_pfault_done()
1884 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in __inject_float_mchk()
1886 kvm->stat.inject_float_mchk++; in __inject_float_mchk()
1887 spin_lock(&fi->lock); in __inject_float_mchk()
1888 fi->mchk.cr14 |= inti->mchk.cr14 & (1UL << CR_PENDING_SUBCLASS); in __inject_float_mchk()
1889 fi->mchk.mcic |= inti->mchk.mcic; in __inject_float_mchk()
1890 set_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs); in __inject_float_mchk()
1891 spin_unlock(&fi->lock); in __inject_float_mchk()
1898 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __inject_io()
1903 kvm->stat.inject_io++; in __inject_io()
1904 isc = int_word_to_isc(inti->io.io_int_word); in __inject_io()
1912 if (gi->origin && inti->type & KVM_S390_INT_IO_AI_MASK) { in __inject_io()
1914 gisa_set_ipm_gisc(gi->origin, isc); in __inject_io()
1919 fi = &kvm->arch.float_int; in __inject_io()
1920 spin_lock(&fi->lock); in __inject_io()
1921 if (fi->counters[FIRQ_CNTR_IO] >= KVM_S390_MAX_FLOAT_IRQS) { in __inject_io()
1922 spin_unlock(&fi->lock); in __inject_io()
1923 return -EBUSY; in __inject_io()
1925 fi->counters[FIRQ_CNTR_IO] += 1; in __inject_io()
1927 if (inti->type & KVM_S390_INT_IO_AI_MASK) in __inject_io()
1931 inti->io.subchannel_id >> 8, in __inject_io()
1932 inti->io.subchannel_id >> 1 & 0x3, in __inject_io()
1933 inti->io.subchannel_nr); in __inject_io()
1934 list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; in __inject_io()
1935 list_add_tail(&inti->list, list); in __inject_io()
1936 set_bit(isc_to_irq_type(isc), &fi->pending_irqs); in __inject_io()
1937 spin_unlock(&fi->lock); in __inject_io()
1949 online_vcpus = atomic_read(&kvm->online_vcpus); in __floating_irq_kick()
1953 for (sigcpu = kvm->arch.float_int.last_sleep_cpu; ; sigcpu++) { in __floating_irq_kick()
1970 kvm->arch.gisa_int.origin) || in __floating_irq_kick()
1983 u64 type = READ_ONCE(inti->type); in __inject_vm()
2003 rc = -EINVAL; in __inject_vm()
2020 return -ENOMEM; in kvm_s390_inject_vm()
2022 inti->type = s390int->type; in kvm_s390_inject_vm()
2023 switch (inti->type) { in kvm_s390_inject_vm()
2026 s390int->parm, s390int->parm64); in kvm_s390_inject_vm()
2027 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2028 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2031 VM_EVENT(kvm, 4, "inject: sclp parm:%x", s390int->parm); in kvm_s390_inject_vm()
2032 inti->ext.ext_params = s390int->parm; in kvm_s390_inject_vm()
2035 inti->ext.ext_params2 = s390int->parm64; in kvm_s390_inject_vm()
2039 s390int->parm64); in kvm_s390_inject_vm()
2040 inti->mchk.cr14 = s390int->parm; /* upper bits are not used */ in kvm_s390_inject_vm()
2041 inti->mchk.mcic = s390int->parm64; in kvm_s390_inject_vm()
2044 inti->io.subchannel_id = s390int->parm >> 16; in kvm_s390_inject_vm()
2045 inti->io.subchannel_nr = s390int->parm & 0x0000ffffu; in kvm_s390_inject_vm()
2046 inti->io.io_int_parm = s390int->parm64 >> 32; in kvm_s390_inject_vm()
2047 inti->io.io_int_word = s390int->parm64 & 0x00000000ffffffffull; in kvm_s390_inject_vm()
2051 return -EINVAL; in kvm_s390_inject_vm()
2053 trace_kvm_s390_inject_vm(s390int->type, s390int->parm, s390int->parm64, in kvm_s390_inject_vm()
2071 irq->type = s390int->type; in s390int_to_s390irq()
2072 switch (irq->type) { in s390int_to_s390irq()
2074 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2075 return -EINVAL; in s390int_to_s390irq()
2076 irq->u.pgm.code = s390int->parm; in s390int_to_s390irq()
2079 irq->u.prefix.address = s390int->parm; in s390int_to_s390irq()
2082 irq->u.stop.flags = s390int->parm; in s390int_to_s390irq()
2085 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2086 return -EINVAL; in s390int_to_s390irq()
2087 irq->u.extcall.code = s390int->parm; in s390int_to_s390irq()
2090 if (s390int->parm & 0xffff0000) in s390int_to_s390irq()
2091 return -EINVAL; in s390int_to_s390irq()
2092 irq->u.emerg.code = s390int->parm; in s390int_to_s390irq()
2095 irq->u.mchk.mcic = s390int->parm64; in s390int_to_s390irq()
2098 irq->u.ext.ext_params = s390int->parm; in s390int_to_s390irq()
2099 irq->u.ext.ext_params2 = s390int->parm64; in s390int_to_s390irq()
2106 return -EINVAL; in s390int_to_s390irq()
2113 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_stop_irq_pending()
2115 return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_is_stop_irq_pending()
2120 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_is_restart_irq_pending()
2122 return test_bit(IRQ_PEND_RESTART, &li->pending_irqs); in kvm_s390_is_restart_irq_pending()
2127 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_clear_stop_irq()
2129 spin_lock(&li->lock); in kvm_s390_clear_stop_irq()
2130 li->irq.stop.flags = 0; in kvm_s390_clear_stop_irq()
2131 clear_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); in kvm_s390_clear_stop_irq()
2132 spin_unlock(&li->lock); in kvm_s390_clear_stop_irq()
2139 switch (irq->type) { in do_inject_vcpu()
2174 rc = -EINVAL; in do_inject_vcpu()
2182 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_inject_vcpu()
2185 spin_lock(&li->lock); in kvm_s390_inject_vcpu()
2187 spin_unlock(&li->lock); in kvm_s390_inject_vcpu()
2198 list_del(&inti->list); in clear_irq_list()
2206 irq->type = inti->type; in inti_to_irq()
2207 switch (inti->type) { in inti_to_irq()
2211 irq->u.ext = inti->ext; in inti_to_irq()
2214 irq->u.io = inti->io; in inti_to_irq()
2221 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_clear_float_irqs()
2224 mutex_lock(&kvm->lock); in kvm_s390_clear_float_irqs()
2226 fi->masked_irqs = 0; in kvm_s390_clear_float_irqs()
2227 mutex_unlock(&kvm->lock); in kvm_s390_clear_float_irqs()
2228 spin_lock(&fi->lock); in kvm_s390_clear_float_irqs()
2229 fi->pending_irqs = 0; in kvm_s390_clear_float_irqs()
2230 memset(&fi->srv_signal, 0, sizeof(fi->srv_signal)); in kvm_s390_clear_float_irqs()
2231 memset(&fi->mchk, 0, sizeof(fi->mchk)); in kvm_s390_clear_float_irqs()
2233 clear_irq_list(&fi->lists[i]); in kvm_s390_clear_float_irqs()
2235 fi->counters[i] = 0; in kvm_s390_clear_float_irqs()
2236 spin_unlock(&fi->lock); in kvm_s390_clear_float_irqs()
2242 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in get_all_floating_irqs()
2253 return -EINVAL; in get_all_floating_irqs()
2256 * We are already using -ENOMEM to signal in get_all_floating_irqs()
2262 return -ENOBUFS; in get_all_floating_irqs()
2266 if (gi->origin && gisa_get_ipm(gi->origin)) { in get_all_floating_irqs()
2270 ret = -ENOMEM; in get_all_floating_irqs()
2273 if (gisa_tac_ipm_gisc(gi->origin, i)) { in get_all_floating_irqs()
2275 irq->type = KVM_S390_INT_IO(1, 0, 0, 0); in get_all_floating_irqs()
2276 irq->u.io.io_int_word = isc_to_int_word(i); in get_all_floating_irqs()
2281 fi = &kvm->arch.float_int; in get_all_floating_irqs()
2282 spin_lock(&fi->lock); in get_all_floating_irqs()
2284 list_for_each_entry(inti, &fi->lists[i], list) { in get_all_floating_irqs()
2287 ret = -ENOMEM; in get_all_floating_irqs()
2294 if (test_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs) || in get_all_floating_irqs()
2295 test_bit(IRQ_PEND_EXT_SERVICE_EV, &fi->pending_irqs)) { in get_all_floating_irqs()
2298 ret = -ENOMEM; in get_all_floating_irqs()
2302 irq->type = KVM_S390_INT_SERVICE; in get_all_floating_irqs()
2303 irq->u.ext = fi->srv_signal; in get_all_floating_irqs()
2306 if (test_bit(IRQ_PEND_MCHK_REP, &fi->pending_irqs)) { in get_all_floating_irqs()
2309 ret = -ENOMEM; in get_all_floating_irqs()
2313 irq->type = KVM_S390_MCHK; in get_all_floating_irqs()
2314 irq->u.mchk = fi->mchk; in get_all_floating_irqs()
2319 spin_unlock(&fi->lock); in get_all_floating_irqs()
2323 ret = -EFAULT; in get_all_floating_irqs()
2332 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_get_all()
2335 if (attr->attr < sizeof(ais)) in flic_ais_mode_get_all()
2336 return -EINVAL; in flic_ais_mode_get_all()
2339 return -EOPNOTSUPP; in flic_ais_mode_get_all()
2341 mutex_lock(&fi->ais_lock); in flic_ais_mode_get_all()
2342 ais.simm = fi->simm; in flic_ais_mode_get_all()
2343 ais.nimm = fi->nimm; in flic_ais_mode_get_all()
2344 mutex_unlock(&fi->ais_lock); in flic_ais_mode_get_all()
2346 if (copy_to_user((void __user *)attr->addr, &ais, sizeof(ais))) in flic_ais_mode_get_all()
2347 return -EFAULT; in flic_ais_mode_get_all()
2356 switch (attr->group) { in flic_get_attr()
2358 r = get_all_floating_irqs(dev->kvm, (u8 __user *) attr->addr, in flic_get_attr()
2359 attr->attr); in flic_get_attr()
2362 r = flic_ais_mode_get_all(dev->kvm, attr); in flic_get_attr()
2365 r = -EINVAL; in flic_get_attr()
2379 if (get_user(inti->type, (u64 __user *)addr)) in copy_irq_from_user()
2380 return -EFAULT; in copy_irq_from_user()
2382 switch (inti->type) { in copy_irq_from_user()
2387 target = (void *) &inti->ext; in copy_irq_from_user()
2388 source = &uptr->u.ext; in copy_irq_from_user()
2389 size = sizeof(inti->ext); in copy_irq_from_user()
2392 target = (void *) &inti->io; in copy_irq_from_user()
2393 source = &uptr->u.io; in copy_irq_from_user()
2394 size = sizeof(inti->io); in copy_irq_from_user()
2397 target = (void *) &inti->mchk; in copy_irq_from_user()
2398 source = &uptr->u.mchk; in copy_irq_from_user()
2399 size = sizeof(inti->mchk); in copy_irq_from_user()
2402 return -EINVAL; in copy_irq_from_user()
2406 return -EFAULT; in copy_irq_from_user()
2416 int len = attr->attr; in enqueue_floating_irq()
2419 return -EINVAL; in enqueue_floating_irq()
2421 return -EINVAL; in enqueue_floating_irq()
2426 return -ENOMEM; in enqueue_floating_irq()
2428 r = copy_irq_from_user(inti, attr->addr); in enqueue_floating_irq()
2433 r = __inject_vm(dev->kvm, inti); in enqueue_floating_irq()
2438 len -= sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2439 attr->addr += sizeof(struct kvm_s390_irq); in enqueue_floating_irq()
2450 return kvm->arch.adapters[id]; in get_io_adapter()
2460 (void __user *)attr->addr, sizeof(adapter_info))) in register_io_adapter()
2461 return -EFAULT; in register_io_adapter()
2464 return -EINVAL; in register_io_adapter()
2469 if (dev->kvm->arch.adapters[adapter_info.id] != NULL) in register_io_adapter()
2470 return -EINVAL; in register_io_adapter()
2474 return -ENOMEM; in register_io_adapter()
2476 adapter->id = adapter_info.id; in register_io_adapter()
2477 adapter->isc = adapter_info.isc; in register_io_adapter()
2478 adapter->maskable = adapter_info.maskable; in register_io_adapter()
2479 adapter->masked = false; in register_io_adapter()
2480 adapter->swap = adapter_info.swap; in register_io_adapter()
2481 adapter->suppressible = (adapter_info.flags) & in register_io_adapter()
2483 dev->kvm->arch.adapters[adapter->id] = adapter; in register_io_adapter()
2493 if (!adapter || !adapter->maskable) in kvm_s390_mask_adapter()
2494 return -EINVAL; in kvm_s390_mask_adapter()
2495 ret = adapter->masked; in kvm_s390_mask_adapter()
2496 adapter->masked = masked; in kvm_s390_mask_adapter()
2505 kfree(kvm->arch.adapters[i]); in kvm_s390_destroy_adapters()
2515 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_io_adapter()
2516 return -EFAULT; in modify_io_adapter()
2518 adapter = get_io_adapter(dev->kvm, req.id); in modify_io_adapter()
2520 return -EINVAL; in modify_io_adapter()
2523 ret = kvm_s390_mask_adapter(dev->kvm, req.id, req.mask); in modify_io_adapter()
2528 * The following operations are no longer needed and therefore no-ops. in modify_io_adapter()
2537 ret = -EINVAL; in modify_io_adapter()
2549 if (attr->flags) in clear_io_irq()
2550 return -EINVAL; in clear_io_irq()
2551 if (attr->attr != sizeof(schid)) in clear_io_irq()
2552 return -EINVAL; in clear_io_irq()
2553 if (copy_from_user(&schid, (void __user *) attr->addr, sizeof(schid))) in clear_io_irq()
2554 return -EFAULT; in clear_io_irq()
2556 return -EINVAL; in clear_io_irq()
2568 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in modify_ais_mode()
2573 return -EOPNOTSUPP; in modify_ais_mode()
2575 if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) in modify_ais_mode()
2576 return -EFAULT; in modify_ais_mode()
2579 return -EINVAL; in modify_ais_mode()
2582 (fi->simm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2583 (fi->nimm & AIS_MODE_MASK(req.isc)) ? in modify_ais_mode()
2587 mutex_lock(&fi->ais_lock); in modify_ais_mode()
2590 fi->simm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2591 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2594 fi->simm |= AIS_MODE_MASK(req.isc); in modify_ais_mode()
2595 fi->nimm &= ~AIS_MODE_MASK(req.isc); in modify_ais_mode()
2598 ret = -EINVAL; in modify_ais_mode()
2600 mutex_unlock(&fi->ais_lock); in modify_ais_mode()
2608 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in kvm_s390_inject_airq()
2612 .parm64 = isc_to_int_word(adapter->isc), in kvm_s390_inject_airq()
2616 if (!test_kvm_facility(kvm, 72) || !adapter->suppressible) in kvm_s390_inject_airq()
2619 mutex_lock(&fi->ais_lock); in kvm_s390_inject_airq()
2620 if (fi->nimm & AIS_MODE_MASK(adapter->isc)) { in kvm_s390_inject_airq()
2621 trace_kvm_s390_airq_suppressed(adapter->id, adapter->isc); in kvm_s390_inject_airq()
2626 if (!ret && (fi->simm & AIS_MODE_MASK(adapter->isc))) { in kvm_s390_inject_airq()
2627 fi->nimm |= AIS_MODE_MASK(adapter->isc); in kvm_s390_inject_airq()
2628 trace_kvm_s390_modify_ais_mode(adapter->isc, in kvm_s390_inject_airq()
2632 mutex_unlock(&fi->ais_lock); in kvm_s390_inject_airq()
2638 unsigned int id = attr->attr; in flic_inject_airq()
2642 return -EINVAL; in flic_inject_airq()
2649 struct kvm_s390_float_interrupt *fi = &kvm->arch.float_int; in flic_ais_mode_set_all()
2653 return -EOPNOTSUPP; in flic_ais_mode_set_all()
2655 if (copy_from_user(&ais, (void __user *)attr->addr, sizeof(ais))) in flic_ais_mode_set_all()
2656 return -EFAULT; in flic_ais_mode_set_all()
2658 mutex_lock(&fi->ais_lock); in flic_ais_mode_set_all()
2659 fi->simm = ais.simm; in flic_ais_mode_set_all()
2660 fi->nimm = ais.nimm; in flic_ais_mode_set_all()
2661 mutex_unlock(&fi->ais_lock); in flic_ais_mode_set_all()
2672 switch (attr->group) { in flic_set_attr()
2677 kvm_s390_clear_float_irqs(dev->kvm); in flic_set_attr()
2680 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2681 return -EINVAL; in flic_set_attr()
2682 dev->kvm->arch.gmap->pfault_enabled = 1; in flic_set_attr()
2685 if (kvm_is_ucontrol(dev->kvm)) in flic_set_attr()
2686 return -EINVAL; in flic_set_attr()
2687 dev->kvm->arch.gmap->pfault_enabled = 0; in flic_set_attr()
2689 * Make sure no async faults are in transition when in flic_set_attr()
2693 synchronize_srcu(&dev->kvm->srcu); in flic_set_attr()
2694 kvm_for_each_vcpu(i, vcpu, dev->kvm) in flic_set_attr()
2704 r = clear_io_irq(dev->kvm, attr); in flic_set_attr()
2707 r = modify_ais_mode(dev->kvm, attr); in flic_set_attr()
2710 r = flic_inject_airq(dev->kvm, attr); in flic_set_attr()
2713 r = flic_ais_mode_set_all(dev->kvm, attr); in flic_set_attr()
2716 r = -EINVAL; in flic_set_attr()
2725 switch (attr->group) { in flic_has_attr()
2739 return -ENXIO; in flic_has_attr()
2745 return -EINVAL; in flic_create()
2746 if (dev->kvm->arch.flic) in flic_create()
2747 return -EINVAL; in flic_create()
2748 dev->kvm->arch.flic = dev; in flic_create()
2754 dev->kvm->arch.flic = NULL; in flic_destroy()
2760 .name = "kvm-flic",
2774 return swap ? (bit ^ (BITS_PER_LONG - 1)) : bit; in get_ind_bit()
2779 struct mm_struct *mm = kvm->mm; in get_map_page()
2804 ind_page = get_map_page(kvm, adapter_int->ind_addr); in adapter_indicators_set()
2806 return -1; in adapter_indicators_set()
2807 summary_page = get_map_page(kvm, adapter_int->summary_addr); in adapter_indicators_set()
2810 return -1; in adapter_indicators_set()
2813 idx = srcu_read_lock(&kvm->srcu); in adapter_indicators_set()
2815 bit = get_ind_bit(adapter_int->ind_addr, in adapter_indicators_set()
2816 adapter_int->ind_offset, adapter->swap); in adapter_indicators_set()
2818 mark_page_dirty(kvm, adapter_int->ind_addr >> PAGE_SHIFT); in adapter_indicators_set()
2821 bit = get_ind_bit(adapter_int->summary_addr, in adapter_indicators_set()
2822 adapter_int->summary_offset, adapter->swap); in adapter_indicators_set()
2824 mark_page_dirty(kvm, adapter_int->summary_addr >> PAGE_SHIFT); in adapter_indicators_set()
2826 srcu_read_unlock(&kvm->srcu, idx); in adapter_indicators_set()
2834 * < 0 - not injected due to error
2835 * = 0 - coalesced, summary indicator already active
2836 * > 0 - injected interrupt
2845 /* We're only interested in the 0->1 transition. */ in set_adapter_int()
2848 adapter = get_io_adapter(kvm, e->adapter.adapter_id); in set_adapter_int()
2850 return -1; in set_adapter_int()
2851 ret = adapter_indicators_set(kvm, adapter, &e->adapter); in set_adapter_int()
2852 if ((ret > 0) && !adapter->masked) { in set_adapter_int()
2873 mci.val = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2882 mchk->cr14 = cr14; in kvm_s390_reinject_machine_check()
2883 mchk->mcic = mcck_info->mcic; in kvm_s390_reinject_machine_check()
2884 mchk->ext_damage_code = mcck_info->ext_damage_code; in kvm_s390_reinject_machine_check()
2885 mchk->failing_storage_address = mcck_info->failing_storage_address; in kvm_s390_reinject_machine_check()
2889 rc = __inject_vm(vcpu->kvm, &inti); in kvm_s390_reinject_machine_check()
2905 switch (ue->type) { in kvm_set_routing_entry()
2909 return -EINVAL; in kvm_set_routing_entry()
2910 e->set = set_adapter_int; in kvm_set_routing_entry()
2912 idx = srcu_read_lock(&kvm->srcu); in kvm_set_routing_entry()
2913 uaddr_s = gpa_to_hva(kvm, ue->u.adapter.summary_addr); in kvm_set_routing_entry()
2914 uaddr_i = gpa_to_hva(kvm, ue->u.adapter.ind_addr); in kvm_set_routing_entry()
2915 srcu_read_unlock(&kvm->srcu, idx); in kvm_set_routing_entry()
2918 return -EFAULT; in kvm_set_routing_entry()
2919 e->adapter.summary_addr = uaddr_s; in kvm_set_routing_entry()
2920 e->adapter.ind_addr = uaddr_i; in kvm_set_routing_entry()
2921 e->adapter.summary_offset = ue->u.adapter.summary_offset; in kvm_set_routing_entry()
2922 e->adapter.ind_offset = ue->u.adapter.ind_offset; in kvm_set_routing_entry()
2923 e->adapter.adapter_id = ue->u.adapter.adapter_id; in kvm_set_routing_entry()
2926 return -EINVAL; in kvm_set_routing_entry()
2933 return -EINVAL; in kvm_set_msi()
2938 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_set_irq_state()
2945 return -ENOMEM; in kvm_s390_set_irq_state()
2948 r = -EFAULT; in kvm_s390_set_irq_state()
2956 spin_lock(&li->lock); in kvm_s390_set_irq_state()
2957 if (li->pending_irqs) { in kvm_s390_set_irq_state()
2958 r = -EBUSY; in kvm_s390_set_irq_state()
2969 spin_unlock(&li->lock); in kvm_s390_set_irq_state()
2983 irq->type = KVM_S390_MCHK; in store_local_irq()
2984 irq->u.mchk = li->irq.mchk; in store_local_irq()
2987 irq->type = KVM_S390_PROGRAM_INT; in store_local_irq()
2988 irq->u.pgm = li->irq.pgm; in store_local_irq()
2991 irq->type = KVM_S390_INT_PFAULT_INIT; in store_local_irq()
2992 irq->u.ext = li->irq.ext; in store_local_irq()
2995 irq->type = KVM_S390_INT_EXTERNAL_CALL; in store_local_irq()
2996 irq->u.extcall = li->irq.extcall; in store_local_irq()
2999 irq->type = KVM_S390_INT_CLOCK_COMP; in store_local_irq()
3002 irq->type = KVM_S390_INT_CPU_TIMER; in store_local_irq()
3005 irq->type = KVM_S390_SIGP_STOP; in store_local_irq()
3006 irq->u.stop = li->irq.stop; in store_local_irq()
3009 irq->type = KVM_S390_RESTART; in store_local_irq()
3012 irq->type = KVM_S390_SIGP_SET_PREFIX; in store_local_irq()
3013 irq->u.prefix = li->irq.prefix; in store_local_irq()
3022 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in kvm_s390_get_irq_state()
3029 spin_lock(&li->lock); in kvm_s390_get_irq_state()
3030 pending_irqs = li->pending_irqs; in kvm_s390_get_irq_state()
3031 memcpy(&sigp_emerg_pending, &li->sigp_emerg_pending, in kvm_s390_get_irq_state()
3033 spin_unlock(&li->lock); in kvm_s390_get_irq_state()
3040 return -ENOBUFS; in kvm_s390_get_irq_state()
3041 store_local_irq(&vcpu->arch.local_int, &irq, irq_type); in kvm_s390_get_irq_state()
3043 return -EFAULT; in kvm_s390_get_irq_state()
3051 return -ENOBUFS; in kvm_s390_get_irq_state()
3055 return -EFAULT; in kvm_s390_get_irq_state()
3062 return -ENOBUFS; in kvm_s390_get_irq_state()
3067 return -EFAULT; in kvm_s390_get_irq_state()
3076 int vcpu_idx, online_vcpus = atomic_read(&kvm->online_vcpus); in __airqs_kick_single_vcpu()
3077 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in __airqs_kick_single_vcpu()
3081 for_each_set_bit(vcpu_idx, kvm->arch.idle_mask, online_vcpus) { in __airqs_kick_single_vcpu()
3085 vcpu_isc_mask = (u8)(vcpu->arch.sie_block->gcr[6] >> 24); in __airqs_kick_single_vcpu()
3088 if (test_and_set_bit(vcpu_idx, gi->kicked_mask)) in __airqs_kick_single_vcpu()
3101 container_of(gi->origin, struct sie_page2, gisa)->kvm; in gisa_vcpu_kicker()
3107 hrtimer_forward_now(timer, ns_to_ktime(gi->expires)); in gisa_vcpu_kicker()
3137 * for guests not in the yet cut-off alert list. When in the in process_gib_alert_list()
3138 * final loop, store the NULL_GISA_ADDR instead. This will re- in process_gib_alert_list()
3141 origin = xchg(&gib->alert_list_origin, in process_gib_alert_list()
3144 * Loop through the just cut-off alert list and start the in process_gib_alert_list()
3151 origin = gisa->next_alert; in process_gib_alert_list()
3152 gisa->next_alert = gisa_phys; in process_gib_alert_list()
3153 kvm = container_of(gisa, struct sie_page2, gisa)->kvm; in process_gib_alert_list()
3154 gi = &kvm->arch.gisa_int; in process_gib_alert_list()
3155 if (hrtimer_active(&gi->timer)) in process_gib_alert_list()
3156 hrtimer_cancel(&gi->timer); in process_gib_alert_list()
3157 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in process_gib_alert_list()
3165 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_clear()
3167 if (!gi->origin) in kvm_s390_gisa_clear()
3169 gisa_clear_ipm(gi->origin); in kvm_s390_gisa_clear()
3170 VM_EVENT(kvm, 3, "gisa 0x%p cleared", gi->origin); in kvm_s390_gisa_clear()
3175 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_init()
3179 gi->origin = &kvm->arch.sie_page2->gisa; in kvm_s390_gisa_init()
3180 gi->alert.mask = 0; in kvm_s390_gisa_init()
3181 spin_lock_init(&gi->alert.ref_lock); in kvm_s390_gisa_init()
3182 gi->expires = 50 * 1000; /* 50 usec */ in kvm_s390_gisa_init()
3183 hrtimer_setup(&gi->timer, gisa_vcpu_kicker, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in kvm_s390_gisa_init()
3184 memset(gi->origin, 0, sizeof(struct kvm_s390_gisa)); in kvm_s390_gisa_init()
3185 gi->origin->next_alert = (u32)virt_to_phys(gi->origin); in kvm_s390_gisa_init()
3186 VM_EVENT(kvm, 3, "gisa 0x%p initialized", gi->origin); in kvm_s390_gisa_init()
3191 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_enable()
3196 if (gi->origin) in kvm_s390_gisa_enable()
3203 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_enable()
3204 vcpu->arch.sie_block->gd = gisa_desc; in kvm_s390_gisa_enable()
3205 vcpu->arch.sie_block->eca |= ECA_AIV; in kvm_s390_gisa_enable()
3206 VCPU_EVENT(vcpu, 3, "AIV gisa format-%u enabled for cpu %03u", in kvm_s390_gisa_enable()
3207 vcpu->arch.sie_block->gd & 0x3, vcpu->vcpu_id); in kvm_s390_gisa_enable()
3208 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_enable()
3214 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_destroy()
3215 struct kvm_s390_gisa *gisa = gi->origin; in kvm_s390_gisa_destroy()
3217 if (!gi->origin) in kvm_s390_gisa_destroy()
3219 WARN(gi->alert.mask != 0x00, in kvm_s390_gisa_destroy()
3221 gi->alert.mask); in kvm_s390_gisa_destroy()
3222 gi->alert.mask = 0x00; in kvm_s390_gisa_destroy()
3223 if (gisa_set_iam(gi->origin, gi->alert.mask)) in kvm_s390_gisa_destroy()
3225 hrtimer_cancel(&gi->timer); in kvm_s390_gisa_destroy()
3226 gi->origin = NULL; in kvm_s390_gisa_destroy()
3232 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisa_disable()
3236 if (!gi->origin) in kvm_s390_gisa_disable()
3239 mutex_lock(&vcpu->mutex); in kvm_s390_gisa_disable()
3240 vcpu->arch.sie_block->eca &= ~ECA_AIV; in kvm_s390_gisa_disable()
3241 vcpu->arch.sie_block->gd = 0U; in kvm_s390_gisa_disable()
3242 mutex_unlock(&vcpu->mutex); in kvm_s390_gisa_disable()
3243 VCPU_EVENT(vcpu, 3, "AIV disabled for cpu %03u", vcpu->vcpu_id); in kvm_s390_gisa_disable()
3249 * kvm_s390_gisc_register - register a guest ISC
3262 * -ENODEV in case the vm uses no GISA
3263 * -ERANGE in case the guest ISC is invalid
3267 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_register()
3269 if (!gi->origin) in kvm_s390_gisc_register()
3270 return -ENODEV; in kvm_s390_gisc_register()
3272 return -ERANGE; in kvm_s390_gisc_register()
3274 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3275 gi->alert.ref_count[gisc]++; in kvm_s390_gisc_register()
3276 if (gi->alert.ref_count[gisc] == 1) { in kvm_s390_gisc_register()
3277 gi->alert.mask |= 0x80 >> gisc; in kvm_s390_gisc_register()
3278 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_register()
3280 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_register()
3282 return gib->nisc; in kvm_s390_gisc_register()
3287 * kvm_s390_gisc_unregister - unregister a guest ISC
3300 * -ENODEV in case the vm uses no GISA
3301 * -ERANGE in case the guest ISC is invalid
3302 * -EINVAL in case the guest ISC is not registered
3306 struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int; in kvm_s390_gisc_unregister()
3309 if (!gi->origin) in kvm_s390_gisc_unregister()
3310 return -ENODEV; in kvm_s390_gisc_unregister()
3312 return -ERANGE; in kvm_s390_gisc_unregister()
3314 spin_lock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3315 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3316 rc = -EINVAL; in kvm_s390_gisc_unregister()
3319 gi->alert.ref_count[gisc]--; in kvm_s390_gisc_unregister()
3320 if (gi->alert.ref_count[gisc] == 0) { in kvm_s390_gisc_unregister()
3321 gi->alert.mask &= ~(0x80 >> gisc); in kvm_s390_gisc_unregister()
3322 gisa_set_iam(gi->origin, gi->alert.mask); in kvm_s390_gisc_unregister()
3325 spin_unlock(&gi->alert.ref_lock); in kvm_s390_gisc_unregister()
3337 gaite = (struct zpci_gaite *)aift->gait + in aen_host_forward()
3339 if (gaite->count == 0) in aen_host_forward()
3341 if (gaite->aisb != 0) in aen_host_forward()
3342 set_bit_inv(gaite->aisbo, phys_to_virt(gaite->aisb)); in aen_host_forward()
3347 gi = &kvm->arch.gisa_int; in aen_host_forward()
3349 if (!(gi->origin->g1.simm & AIS_MODE_MASK(gaite->gisc)) || in aen_host_forward()
3350 !(gi->origin->g1.nimm & AIS_MODE_MASK(gaite->gisc))) { in aen_host_forward()
3351 gisa_set_ipm_gisc(gi->origin, gaite->gisc); in aen_host_forward()
3352 if (hrtimer_active(&gi->timer)) in aen_host_forward()
3353 hrtimer_cancel(&gi->timer); in aen_host_forward()
3354 hrtimer_start(&gi->timer, 0, HRTIMER_MODE_REL); in aen_host_forward()
3355 kvm->stat.aen_forward++; in aen_host_forward()
3365 spin_lock_irqsave(&aift->gait_lock, flags); in aen_process_gait()
3367 if (!aift->gait) { in aen_process_gait()
3368 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3374 si = airq_iv_scan(aift->sbv, si, airq_iv_end(aift->sbv)); in aen_process_gait()
3375 if (si == -1UL) { in aen_process_gait()
3377 /* Re-enable interrupts. */ in aen_process_gait()
3387 /* Scan again after re-enabling interrupts */ in aen_process_gait()
3394 spin_unlock_irqrestore(&aift->gait_lock, flags); in aen_process_gait()
3404 if ((info->forward || info->error) && in gib_alert_irq_handler()
3406 aen_process_gait(info->isc); in gib_alert_irq_handler()
3407 if (info->aism != 0) in gib_alert_irq_handler()
3423 mutex_lock(&aift->aift_lock); in kvm_s390_gib_destroy()
3425 mutex_unlock(&aift->aift_lock); in kvm_s390_gib_destroy()
3445 rc = -ENOMEM; in kvm_s390_gib_init()
3452 rc = -EIO; in kvm_s390_gib_init()
3458 gib->nisc = nisc; in kvm_s390_gib_init()
3464 rc = -EIO; in kvm_s390_gib_init()
3471 rc = -EIO; in kvm_s390_gib_init()
3476 KVM_EVENT(3, "gib 0x%p (nisc=%d) initialized", gib, gib->nisc); in kvm_s390_gib_init()