KVM: PPC: e500: Add support for TLBnPS registers
Add support for TLBnPS registers available in MMU Architecture Version
(MAV) 2.0.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index b73ca7a..c2e5e98 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -23,6 +23,10 @@
#include <asm/mmu-book3e.h>
#include <asm/tlb.h>
+enum vcpu_ftr {
+ VCPU_FTR_MMU_V2
+};
+
#define E500_PID_NUM 3
#define E500_TLB_NUM 2
@@ -299,4 +303,18 @@
#define get_tlb_sts(gtlbe) (MAS1_TS)
#endif /* !BOOKE_HV */
+static inline bool has_feature(const struct kvm_vcpu *vcpu,
+ enum vcpu_ftr ftr)
+{
+ bool has_ftr;
+ switch (ftr) {
+ case VCPU_FTR_MMU_V2:
+ has_ftr = ((vcpu->arch.mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V2);
+ break;
+ default:
+ return false;
+ }
+ return has_ftr;
+}
+
#endif /* KVM_E500_H */