diff options
Diffstat (limited to 'qemu/hw/i386/kvm/i8259.c')
| -rw-r--r-- | qemu/hw/i386/kvm/i8259.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/qemu/hw/i386/kvm/i8259.c b/qemu/hw/i386/kvm/i8259.c deleted file mode 100644 index 2b207de01..000000000 --- a/qemu/hw/i386/kvm/i8259.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * KVM in-kernel PIC (i8259) 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 "qemu/osdep.h" -#include "hw/isa/i8259_internal.h" -#include "hw/i386/apic_internal.h" -#include "sysemu/kvm.h" - -#define TYPE_KVM_I8259 "kvm-i8259" -#define KVM_PIC_CLASS(class) \ - OBJECT_CLASS_CHECK(KVMPICClass, (class), TYPE_KVM_I8259) -#define KVM_PIC_GET_CLASS(obj) \ - OBJECT_GET_CLASS(KVMPICClass, (obj), TYPE_KVM_I8259) - -/** - * KVMPICClass: - * @parent_realize: The parent's realizefn. - */ -typedef struct KVMPICClass { - PICCommonClass parent_class; - - DeviceRealize parent_realize; -} KVMPICClass; - -static void kvm_pic_get(PICCommonState *s) -{ - struct kvm_irqchip chip; - struct kvm_pic_state *kpic; - int ret; - - chip.chip_id = s->master ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE; - ret = kvm_vm_ioctl(kvm_state, KVM_GET_IRQCHIP, &chip); - if (ret < 0) { - fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(ret)); - abort(); - } - - kpic = &chip.chip.pic; - - s->last_irr = kpic->last_irr; - s->irr = kpic->irr; - s->imr = kpic->imr; - s->isr = kpic->isr; - s->priority_add = kpic->priority_add; - s->irq_base = kpic->irq_base; - s->read_reg_select = kpic->read_reg_select; - s->poll = kpic->poll; - s->special_mask = kpic->special_mask; - s->init_state = kpic->init_state; - s->auto_eoi = kpic->auto_eoi; - s->rotate_on_auto_eoi = kpic->rotate_on_auto_eoi; - s->special_fully_nested_mode = kpic->special_fully_nested_mode; - s->init4 = kpic->init4; - s->elcr = kpic->elcr; - s->elcr_mask = kpic->elcr_mask; -} - -static void kvm_pic_put(PICCommonState *s) -{ - struct kvm_irqchip chip; - struct kvm_pic_state *kpic; - int ret; - - chip.chip_id = s->master ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE; - - kpic = &chip.chip.pic; - - kpic->last_irr = s->last_irr; - kpic->irr = s->irr; - kpic->imr = s->imr; - kpic->isr = s->isr; - kpic->priority_add = s->priority_add; - kpic->irq_base = s->irq_base; - kpic->read_reg_select = s->read_reg_select; - kpic->poll = s->poll; - kpic->special_mask = s->special_mask; - kpic->init_state = s->init_state; - kpic->auto_eoi = s->auto_eoi; - kpic->rotate_on_auto_eoi = s->rotate_on_auto_eoi; - kpic->special_fully_nested_mode = s->special_fully_nested_mode; - kpic->init4 = s->init4; - kpic->elcr = s->elcr; - kpic->elcr_mask = s->elcr_mask; - - 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_pic_reset(DeviceState *dev) -{ - PICCommonState *s = PIC_COMMON(dev); - - s->elcr = 0; - pic_reset_common(s); - - kvm_pic_put(s); -} - -static void kvm_pic_set_irq(void *opaque, int irq, int level) -{ - int delivered; - - delivered = kvm_set_irq(kvm_state, irq, level); - apic_report_irq_delivered(delivered); -} - -static void kvm_pic_realize(DeviceState *dev, Error **errp) -{ - PICCommonState *s = PIC_COMMON(dev); - KVMPICClass *kpc = KVM_PIC_GET_CLASS(dev); - - memory_region_init_reservation(&s->base_io, NULL, "kvm-pic", 2); - memory_region_init_reservation(&s->elcr_io, NULL, "kvm-elcr", 1); - - kpc->parent_realize(dev, errp); -} - -qemu_irq *kvm_i8259_init(ISABus *bus) -{ - i8259_init_chip(TYPE_KVM_I8259, bus, true); - i8259_init_chip(TYPE_KVM_I8259, bus, false); - - return qemu_allocate_irqs(kvm_pic_set_irq, NULL, ISA_NUM_IRQS); -} - -static void kvm_i8259_class_init(ObjectClass *klass, void *data) -{ - KVMPICClass *kpc = KVM_PIC_CLASS(klass); - PICCommonClass *k = PIC_COMMON_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->reset = kvm_pic_reset; - kpc->parent_realize = dc->realize; - dc->realize = kvm_pic_realize; - k->pre_save = kvm_pic_get; - k->post_load = kvm_pic_put; -} - -static const TypeInfo kvm_i8259_info = { - .name = TYPE_KVM_I8259, - .parent = TYPE_PIC_COMMON, - .instance_size = sizeof(PICCommonState), - .class_init = kvm_i8259_class_init, - .class_size = sizeof(KVMPICClass), -}; - -static void kvm_pic_register_types(void) -{ - type_register_static(&kvm_i8259_info); -} - -type_init(kvm_pic_register_types) |