static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq, bool line_status) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; int ret; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest_id, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; if (irq == RTC_GSI && line_status) { BUG_ON(ioapic->rtc_status.pending_eoi != 0); ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, ioapic->rtc_status.dest_map); ioapic->rtc_status.pending_eoi = (ret < 0 ? 0 : ret); } else ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, NULL); return ret; }
static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest_id, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; #ifdef CONFIG_X86 if (irq == 0) { irqe.dest_mode = 0; /* need to read apic_id from apic regiest since * it can be rewritten */ irqe.dest_id = ioapic->kvm->bsp_vcpu_id; } #endif return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe); }
static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; /* Always delivery PIT interrupt to vcpu 0 */ if (irq == 0) { irqe.dest_mode = 0; /* Physical mode. */ /* * need to read apic_id from apic regiest since * it can be rewritten */ irqe.dest_id = ioapic->kvm->bsp_vcpu->vcpu_id; } return (kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe)); }
static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; #ifdef CONFIG_X86 /* Always delivery PIT interrupt to vcpu 0 */ if (irq == 0) { irqe.dest_mode = 0; /* Physical mode. */ irqe.dest_id = ioapic->kvm->vcpus[0]->vcpu_id; } #endif return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe); }
static int ioapic_service(struct kvm_ioapic *ioapic, int irq, bool line_status) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; int ret; if (entry->fields.mask) return -1; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest_id, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; irqe.msi_redir_hint = false; if (irqe.trig_mode == IOAPIC_EDGE_TRIG) ioapic->irr_delivered |= 1 << irq; if (irq == RTC_GSI && line_status) { /* * pending_eoi cannot ever become negative (see * rtc_status_pending_eoi_check_valid) and the caller * ensures that it is only called if it is >= zero, namely * if rtc_irq_check_coalesced returns false). */ BUG_ON(ioapic->rtc_status.pending_eoi != 0); ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, &ioapic->rtc_status.dest_map); ioapic->rtc_status.pending_eoi = (ret < 0 ? 0 : ret); } else ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, NULL); if (ret && irqe.trig_mode == IOAPIC_LEVEL_TRIG) entry->fields.remote_irr = 1; return ret; }
int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level, bool line_status) { struct kvm_lapic_irq irq; if (!level) return -1; kvm_set_msi_irq(e, &irq); return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL); }
static int ioapic_service(struct kvm_ioapic *ioapic, int irq, bool line_status) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; int ret; if (entry->fields.mask) return -1; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest_id, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; if (irqe.trig_mode == IOAPIC_EDGE_TRIG) ioapic->irr &= ~(1 << irq); if (irq == RTC_GSI && line_status) { BUG_ON(ioapic->rtc_status.pending_eoi != 0); ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, ioapic->rtc_status.dest_map); ioapic->rtc_status.pending_eoi = ret; } else ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, NULL); if (ret && irqe.trig_mode == IOAPIC_LEVEL_TRIG) entry->fields.remote_irr = 1; return ret; }
static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int level) { struct kvm_lapic_irq irq; irq.dest_id = (e->msi.address_lo & MSI_ADDR_DEST_ID_MASK) >> MSI_ADDR_DEST_ID_SHIFT; irq.vector = (e->msi.data & MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT; irq.dest_mode = (1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo; irq.trig_mode = (1 << MSI_DATA_TRIGGER_SHIFT) & e->msi.data; irq.delivery_mode = e->msi.data & 0x700; irq.level = 1; irq.shorthand = 0; /* TODO Deal with RH bit of MSI message address */ return kvm_irq_delivery_to_apic(kvm, NULL, &irq); }