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Diffstat (limited to 'hw/intc/arm_gicv3_kvm.c')
-rw-r--r--hw/intc/arm_gicv3_kvm.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c
index 8ed88e7..0cd14d7 100644
--- a/hw/intc/arm_gicv3_kvm.c
+++ b/hw/intc/arm_gicv3_kvm.c
@@ -31,6 +31,7 @@
#include "gicv3_internal.h"
#include "vgic_common.h"
#include "migration/blocker.h"
+#include "migration/misc.h"
#include "qom/object.h"
#include "target/arm/cpregs.h"
@@ -295,7 +296,7 @@ static void kvm_dist_putbmp(GICv3State *s, uint32_t offset,
* the 1 bits.
*/
if (clroffset != 0) {
- reg = 0;
+ reg = ~0;
kvm_gicd_access(s, clroffset, &reg, true);
clroffset += 4;
}
@@ -387,8 +388,6 @@ static void kvm_arm_gicv3_put(GICv3State *s)
reg = c->level;
kvm_gic_line_level_access(s, 0, ncpu, &reg, true);
- reg = ~0;
- kvm_gicr_access(s, GICR_ICPENDR0, ncpu, &reg, true);
reg = c->gicr_ipendr0;
kvm_gicr_access(s, GICR_ISPENDR0, ncpu, &reg, true);
@@ -445,7 +444,7 @@ static void kvm_arm_gicv3_put(GICv3State *s)
kvm_gic_put_line_level_bmp(s, s->level);
/* s->pending bitmap -> GICD_ISPENDRn */
- kvm_dist_putbmp(s, GICD_ISPENDR, GICD_ICPENDR, s->pending);
+ kvm_dist_putbmp(s, GICD_ISPENDR, 0, s->pending);
/* s->active bitmap -> GICD_ISACTIVERn */
kvm_dist_putbmp(s, GICD_ISACTIVER, GICD_ICACTIVER, s->active);
@@ -778,6 +777,17 @@ static void vm_change_state_handler(void *opaque, bool running,
}
}
+static int kvm_arm_gicv3_notifier(NotifierWithReturn *notifier,
+ MigrationEvent *e, Error **errp)
+{
+ if (e->type == MIG_EVENT_PRECOPY_DONE) {
+ GICv3State *s = container_of(notifier, GICv3State, cpr_notifier);
+ return kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES,
+ NULL, true, errp);
+ }
+ return 0;
+}
static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp)
{
@@ -919,6 +929,9 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp)
if (kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES)) {
qemu_add_vm_change_state_handler(vm_change_state_handler, s);
+ migration_add_notifier_mode(&s->cpr_notifier,
+ kvm_arm_gicv3_notifier,
+ MIG_MODE_CPR_TRANSFER);
}
}