diff options
Diffstat (limited to 'hw/kvm/ioapic.c')
| -rw-r--r-- | hw/kvm/ioapic.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/hw/kvm/ioapic.c b/hw/kvm/ioapic.c deleted file mode 100644 index 23877d4259..0000000000 --- a/hw/kvm/ioapic.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * KVM in-kernel IOPIC support - * - * Copyright (c) 2011 Siemens AG - * - * Authors: - * Jan Kiszka <jan.kiszka@siemens.com> - * - * This work is licensed under the terms of the GNU GPL version 2. - * See the COPYING file in the top-level directory. - */ - -#include "hw/pc.h" -#include "hw/ioapic_internal.h" -#include "hw/apic_internal.h" -#include "sysemu/kvm.h" - -/* PC Utility function */ -void kvm_pc_setup_irq_routing(bool pci_enabled) -{ - KVMState *s = kvm_state; - int i; - - if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) { - for (i = 0; i < 8; ++i) { - if (i == 2) { - continue; - } - kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_MASTER, i); - } - for (i = 8; i < 16; ++i) { - kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8); - } - if (pci_enabled) { - for (i = 0; i < 24; ++i) { - if (i == 0) { - kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, 2); - } else if (i != 2) { - kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, i); - } - } - } - } -} - -void kvm_pc_gsi_handler(void *opaque, int n, int level) -{ - GSIState *s = opaque; - - if (n < ISA_NUM_IRQS) { - /* Kernel will forward to both PIC and IOAPIC */ - qemu_set_irq(s->i8259_irq[n], level); - } else { - qemu_set_irq(s->ioapic_irq[n], level); - } -} - -typedef struct KVMIOAPICState KVMIOAPICState; - -struct KVMIOAPICState { - IOAPICCommonState ioapic; - uint32_t kvm_gsi_base; -}; - -static void kvm_ioapic_get(IOAPICCommonState *s) -{ - struct kvm_irqchip chip; - struct kvm_ioapic_state *kioapic; - int ret, i; - - chip.chip_id = KVM_IRQCHIP_IOAPIC; - ret = kvm_vm_ioctl(kvm_state, KVM_GET_IRQCHIP, &chip); - if (ret < 0) { - fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(ret)); - abort(); - } - - kioapic = &chip.chip.ioapic; - - s->id = kioapic->id; - s->ioregsel = kioapic->ioregsel; - s->irr = kioapic->irr; - for (i = 0; i < IOAPIC_NUM_PINS; i++) { - s->ioredtbl[i] = kioapic->redirtbl[i].bits; - } -} - -static void kvm_ioapic_put(IOAPICCommonState *s) -{ - struct kvm_irqchip chip; - struct kvm_ioapic_state *kioapic; - int ret, i; - - chip.chip_id = KVM_IRQCHIP_IOAPIC; - kioapic = &chip.chip.ioapic; - - kioapic->id = s->id; - kioapic->ioregsel = s->ioregsel; - kioapic->base_address = s->busdev.mmio[0].addr; - kioapic->irr = s->irr; - for (i = 0; i < IOAPIC_NUM_PINS; i++) { - kioapic->redirtbl[i].bits = s->ioredtbl[i]; - } - - ret = kvm_vm_ioctl(kvm_state, KVM_SET_IRQCHIP, &chip); - if (ret < 0) { - fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(ret)); - abort(); - } -} - -static void kvm_ioapic_reset(DeviceState *dev) -{ - IOAPICCommonState *s = DO_UPCAST(IOAPICCommonState, busdev.qdev, dev); - - ioapic_reset_common(dev); - kvm_ioapic_put(s); -} - -static void kvm_ioapic_set_irq(void *opaque, int irq, int level) -{ - KVMIOAPICState *s = opaque; - int delivered; - - delivered = kvm_set_irq(kvm_state, s->kvm_gsi_base + irq, level); - apic_report_irq_delivered(delivered); -} - -static void kvm_ioapic_init(IOAPICCommonState *s, int instance_no) -{ - memory_region_init_reservation(&s->io_memory, "kvm-ioapic", 0x1000); - - qdev_init_gpio_in(&s->busdev.qdev, kvm_ioapic_set_irq, IOAPIC_NUM_PINS); -} - -static Property kvm_ioapic_properties[] = { - DEFINE_PROP_UINT32("gsi_base", KVMIOAPICState, kvm_gsi_base, 0), - DEFINE_PROP_END_OF_LIST() -}; - -static void kvm_ioapic_class_init(ObjectClass *klass, void *data) -{ - IOAPICCommonClass *k = IOAPIC_COMMON_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->init = kvm_ioapic_init; - k->pre_save = kvm_ioapic_get; - k->post_load = kvm_ioapic_put; - dc->reset = kvm_ioapic_reset; - dc->props = kvm_ioapic_properties; -} - -static const TypeInfo kvm_ioapic_info = { - .name = "kvm-ioapic", - .parent = TYPE_IOAPIC_COMMON, - .instance_size = sizeof(KVMIOAPICState), - .class_init = kvm_ioapic_class_init, -}; - -static void kvm_ioapic_register_types(void) -{ - type_register_static(&kvm_ioapic_info); -} - -type_init(kvm_ioapic_register_types) |