KVM: arm/arm64: vgic-new: vgic_init: implement vgic_init

This patch allocates and initializes the data structures used
to model the vgic distributor and virtual cpu interfaces. At that
stage the number of IRQs and number of virtual CPUs is frozen.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/include/kvm/vgic/vgic.h b/include/kvm/vgic/vgic.h
index 0634d895007a..e7ae36b9bffa 100644
--- a/include/kvm/vgic/vgic.h
+++ b/include/kvm/vgic/vgic.h
@@ -119,6 +119,7 @@ struct vgic_io_device {
 struct vgic_dist {
         bool                    in_kernel;
         bool                    ready;
+        bool                    initialized;
 
         /* vGIC model the kernel emulates for the guest (GICv2 or GICv3) */
         u32                     vgic_model;
@@ -195,7 +196,11 @@ struct vgic_cpu {
 };
 
 int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write);
+void kvm_vgic_early_init(struct kvm *kvm);
 int kvm_vgic_create(struct kvm *kvm, u32 type);
+void kvm_vgic_destroy(struct kvm *kvm);
+void kvm_vgic_vcpu_early_init(struct kvm_vcpu *vcpu);
+void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu);
 int kvm_vgic_hyp_init(void);
 
 int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid,
@@ -204,7 +209,7 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid,
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
 
 #define irqchip_in_kernel(k)    (!!((k)->arch.vgic.in_kernel))
-#define vgic_initialized(k)     (false)
+#define vgic_initialized(k)     ((k)->arch.vgic.initialized)
 #define vgic_ready(k)           ((k)->arch.vgic.ready)
 #define vgic_valid_spi(k, i)    (((i) >= VGIC_NR_PRIVATE_IRQS) && \
                         ((i) < (k)->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS))