KVM: arm/arm64: vgic: move GICv2 registers to their own structure

In order to make way for the GICv3 registers, move the v2-specific
registers to their own structure.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

1 files changed, 13 insertions, 7 deletions

diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index f27000f55a83..f738e5a69ee9 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -110,6 +110,16 @@ struct vgic_dist {
 #endif
 };
 
+struct vgic_v2_cpu_if {
+        u32             vgic_hcr;
+        u32             vgic_vmcr;
+        u32             vgic_misr;      /* Saved only */
+        u32             vgic_eisr[2];   /* Saved only */
+        u32             vgic_elrsr[2];  /* Saved only */
+        u32             vgic_apr;
+        u32             vgic_lr[VGIC_MAX_LRS];
+};
+
 struct vgic_cpu {
 #ifdef CONFIG_KVM_ARM_VGIC
         /* per IRQ to LR mapping */
@@ -126,13 +136,9 @@ struct vgic_cpu {
         int             nr_lr;
 
         /* CPU vif control registers for world switch */
-        u32             vgic_hcr;
-        u32             vgic_vmcr;
-        u32             vgic_misr;      /* Saved only */
-        u32             vgic_eisr[2];   /* Saved only */
-        u32             vgic_elrsr[2];  /* Saved only */
-        u32             vgic_apr;
-        u32             vgic_lr[VGIC_MAX_LRS];
+        union {
+                struct vgic_v2_cpu_if   vgic_v2;
+        };
 #endif
 };