KVM: ARM: vgic: split GICv2 backend from the main vgic code
Brutally hack the innocent vgic code, and move the GICv2 specific code
to its own file, using vgic_ops and vgic_params as a way to pass
information between the two blocks.
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>
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index ce2e142..d8d52a9 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -32,7 +32,8 @@
#define VGIC_NR_PRIVATE_IRQS (VGIC_NR_SGIS + VGIC_NR_PPIS)
#define VGIC_NR_SHARED_IRQS (VGIC_NR_IRQS - VGIC_NR_PRIVATE_IRQS)
#define VGIC_MAX_CPUS KVM_MAX_VCPUS
-#define VGIC_MAX_LRS (1 << 6)
+
+#define VGIC_V2_MAX_LRS (1 << 6)
/* Sanity checks... */
#if (VGIC_MAX_CPUS > 8)
@@ -162,7 +163,7 @@
u32 vgic_eisr[2]; /* Saved only */
u32 vgic_elrsr[2]; /* Saved only */
u32 vgic_apr;
- u32 vgic_lr[VGIC_MAX_LRS];
+ u32 vgic_lr[VGIC_V2_MAX_LRS];
};
struct vgic_cpu {
@@ -175,7 +176,7 @@
DECLARE_BITMAP( pending_shared, VGIC_NR_SHARED_IRQS);
/* Bitmap of used/free list registers */
- DECLARE_BITMAP( lr_used, VGIC_MAX_LRS);
+ DECLARE_BITMAP( lr_used, VGIC_V2_MAX_LRS);
/* Number of list registers on this CPU */
int nr_lr;
@@ -214,6 +215,10 @@
#define irqchip_in_kernel(k) (!!((k)->arch.vgic.vctrl_base))
#define vgic_initialized(k) ((k)->arch.vgic.ready)
+int vgic_v2_probe(struct device_node *vgic_node,
+ const struct vgic_ops **ops,
+ const struct vgic_params **params);
+
#else
static inline int kvm_vgic_hyp_init(void)
{