diff options
Diffstat (limited to 'hw/s390x/s390-pci-inst.c')
| -rw-r--r-- | hw/s390x/s390-pci-inst.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 651ec38635..20a9bcc7af 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1066,6 +1066,32 @@ static void fmb_update(void *opaque) timer_mod(pbdev->fmb_timer, t + pbdev->pci_group->zpci_group.mui); } +static int mpcifc_reg_int_interp(S390PCIBusDevice *pbdev, ZpciFib *fib) +{ + int rc; + + rc = s390_pci_kvm_aif_enable(pbdev, fib, pbdev->forwarding_assist); + if (rc) { + DPRINTF("Failed to enable interrupt forwarding\n"); + return rc; + } + + return 0; +} + +static int mpcifc_dereg_int_interp(S390PCIBusDevice *pbdev, ZpciFib *fib) +{ + int rc; + + rc = s390_pci_kvm_aif_disable(pbdev); + if (rc) { + DPRINTF("Failed to disable interrupt forwarding\n"); + return rc; + } + + return 0; +} + int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar, uintptr_t ra) { @@ -1120,7 +1146,12 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar, switch (oc) { case ZPCI_MOD_FC_REG_INT: - if (pbdev->summary_ind) { + if (pbdev->interp) { + if (mpcifc_reg_int_interp(pbdev, &fib)) { + cc = ZPCI_PCI_LS_ERR; + s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); + } + } else if (pbdev->summary_ind) { cc = ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else if (reg_irqs(env, pbdev, fib)) { @@ -1129,7 +1160,12 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar, } break; case ZPCI_MOD_FC_DEREG_INT: - if (!pbdev->summary_ind) { + if (pbdev->interp) { + if (mpcifc_dereg_int_interp(pbdev, &fib)) { + cc = ZPCI_PCI_LS_ERR; + s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); + } + } else if (!pbdev->summary_ind) { cc = ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { |