diff options
| -rw-r--r-- | hw/intc/arm_gicv3_its_kvm.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_its_kvm.c b/hw/intc/arm_gicv3_its_kvm.c index b1b322bc72..1c663ac28e 100644 --- a/hw/intc/arm_gicv3_its_kvm.c +++ b/hw/intc/arm_gicv3_its_kvm.c @@ -28,6 +28,16 @@ #define TYPE_KVM_ARM_ITS "arm-its-kvm" #define KVM_ARM_ITS(obj) OBJECT_CHECK(GICv3ITSState, (obj), TYPE_KVM_ARM_ITS) +#define KVM_ARM_ITS_CLASS(klass) \ + OBJECT_CLASS_CHECK(KVMARMITSClass, (klass), TYPE_KVM_ARM_ITS) +#define KVM_ARM_ITS_GET_CLASS(obj) \ + OBJECT_GET_CLASS(KVMARMITSClass, (obj), TYPE_KVM_ARM_ITS) + +typedef struct KVMARMITSClass { + GICv3ITSCommonClass parent_class; + void (*parent_reset)(DeviceState *dev); +} KVMARMITSClass; + static int kvm_its_send_msi(GICv3ITSState *s, uint32_t value, uint16_t devid) { @@ -186,6 +196,34 @@ static void kvm_arm_its_post_load(GICv3ITSState *s) GITS_CTLR, &s->ctlr, true, &error_abort); } +static void kvm_arm_its_reset(DeviceState *dev) +{ + GICv3ITSState *s = ARM_GICV3_ITS_COMMON(dev); + KVMARMITSClass *c = KVM_ARM_ITS_GET_CLASS(s); + int i; + + c->parent_reset(dev); + + error_report("ITS KVM: full reset is not supported by QEMU"); + + if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS, + GITS_CTLR)) { + return; + } + + kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS, + GITS_CTLR, &s->ctlr, true, &error_abort); + + kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS, + GITS_CBASER, &s->cbaser, true, &error_abort); + + for (i = 0; i < 8; i++) { + kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS, + GITS_BASER + i * 8, &s->baser[i], true, + &error_abort); + } +} + static Property kvm_arm_its_props[] = { DEFINE_PROP_LINK("parent-gicv3", GICv3ITSState, gicv3, "kvm-arm-gicv3", GICv3State *), @@ -196,12 +234,15 @@ static void kvm_arm_its_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); GICv3ITSCommonClass *icc = ARM_GICV3_ITS_COMMON_CLASS(klass); + KVMARMITSClass *ic = KVM_ARM_ITS_CLASS(klass); dc->realize = kvm_arm_its_realize; dc->props = kvm_arm_its_props; + ic->parent_reset = dc->reset; icc->send_msi = kvm_its_send_msi; icc->pre_save = kvm_arm_its_pre_save; icc->post_load = kvm_arm_its_post_load; + dc->reset = kvm_arm_its_reset; } static const TypeInfo kvm_arm_its_info = { @@ -209,6 +250,7 @@ static const TypeInfo kvm_arm_its_info = { .parent = TYPE_ARM_GICV3_ITS_COMMON, .instance_size = sizeof(GICv3ITSState), .class_init = kvm_arm_its_class_init, + .class_size = sizeof(KVMARMITSClass), }; static void kvm_arm_its_register_types(void) |