diff options
Diffstat (limited to 'qemu/hw/intc/arm_gicv3_kvm.c')
| -rw-r--r-- | qemu/hw/intc/arm_gicv3_kvm.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/qemu/hw/intc/arm_gicv3_kvm.c b/qemu/hw/intc/arm_gicv3_kvm.c deleted file mode 100644 index acc173004..000000000 --- a/qemu/hw/intc/arm_gicv3_kvm.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * ARM Generic Interrupt Controller using KVM in-kernel support - * - * Copyright (c) 2015 Samsung Electronics Co., Ltd. - * Written by Pavel Fedin - * Based on vGICv2 code by Peter Maydell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "hw/intc/arm_gicv3_common.h" -#include "hw/sysbus.h" -#include "sysemu/kvm.h" -#include "kvm_arm.h" -#include "vgic_common.h" - -#ifdef DEBUG_GICV3_KVM -#define DPRINTF(fmt, ...) \ - do { fprintf(stderr, "kvm_gicv3: " fmt, ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ - do { } while (0) -#endif - -#define TYPE_KVM_ARM_GICV3 "kvm-arm-gicv3" -#define KVM_ARM_GICV3(obj) \ - OBJECT_CHECK(GICv3State, (obj), TYPE_KVM_ARM_GICV3) -#define KVM_ARM_GICV3_CLASS(klass) \ - OBJECT_CLASS_CHECK(KVMARMGICv3Class, (klass), TYPE_KVM_ARM_GICV3) -#define KVM_ARM_GICV3_GET_CLASS(obj) \ - OBJECT_GET_CLASS(KVMARMGICv3Class, (obj), TYPE_KVM_ARM_GICV3) - -typedef struct KVMARMGICv3Class { - ARMGICv3CommonClass parent_class; - DeviceRealize parent_realize; - void (*parent_reset)(DeviceState *dev); -} KVMARMGICv3Class; - -static void kvm_arm_gicv3_set_irq(void *opaque, int irq, int level) -{ - GICv3State *s = (GICv3State *)opaque; - - kvm_arm_gic_set_irq(s->num_irq, irq, level); -} - -static void kvm_arm_gicv3_put(GICv3State *s) -{ - /* TODO */ - DPRINTF("Cannot put kernel gic state, no kernel interface\n"); -} - -static void kvm_arm_gicv3_get(GICv3State *s) -{ - /* TODO */ - DPRINTF("Cannot get kernel gic state, no kernel interface\n"); -} - -static void kvm_arm_gicv3_reset(DeviceState *dev) -{ - GICv3State *s = ARM_GICV3_COMMON(dev); - KVMARMGICv3Class *kgc = KVM_ARM_GICV3_GET_CLASS(s); - - DPRINTF("Reset\n"); - - kgc->parent_reset(dev); - kvm_arm_gicv3_put(s); -} - -static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp) -{ - GICv3State *s = KVM_ARM_GICV3(dev); - KVMARMGICv3Class *kgc = KVM_ARM_GICV3_GET_CLASS(s); - Error *local_err = NULL; - - DPRINTF("kvm_arm_gicv3_realize\n"); - - kgc->parent_realize(dev, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - if (s->security_extn) { - error_setg(errp, "the in-kernel VGICv3 does not implement the " - "security extensions"); - return; - } - - gicv3_init_irqs_and_mmio(s, kvm_arm_gicv3_set_irq, NULL); - - /* Try to create the device via the device control API */ - s->dev_fd = kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_V3, false); - if (s->dev_fd < 0) { - error_setg_errno(errp, -s->dev_fd, "error creating in-kernel VGIC"); - return; - } - - kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_NR_IRQS, - 0, &s->num_irq, true); - - /* Tell the kernel to complete VGIC initialization now */ - kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL, - KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true); - - kvm_arm_register_device(&s->iomem_dist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_DIST, s->dev_fd); - kvm_arm_register_device(&s->iomem_redist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST, s->dev_fd); -} - -static void kvm_arm_gicv3_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - ARMGICv3CommonClass *agcc = ARM_GICV3_COMMON_CLASS(klass); - KVMARMGICv3Class *kgc = KVM_ARM_GICV3_CLASS(klass); - - agcc->pre_save = kvm_arm_gicv3_get; - agcc->post_load = kvm_arm_gicv3_put; - kgc->parent_realize = dc->realize; - kgc->parent_reset = dc->reset; - dc->realize = kvm_arm_gicv3_realize; - dc->reset = kvm_arm_gicv3_reset; -} - -static const TypeInfo kvm_arm_gicv3_info = { - .name = TYPE_KVM_ARM_GICV3, - .parent = TYPE_ARM_GICV3_COMMON, - .instance_size = sizeof(GICv3State), - .class_init = kvm_arm_gicv3_class_init, - .class_size = sizeof(KVMARMGICv3Class), -}; - -static void kvm_arm_gicv3_register_types(void) -{ - type_register_static(&kvm_arm_gicv3_info); -} - -type_init(kvm_arm_gicv3_register_types) |