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Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
-rw-r--r--arch/arm64/include/asm/kvm_host.h48
1 files changed, 46 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 92242ce06309..e10c45a578e3 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -86,7 +86,7 @@ struct kvm_cpu_context {
struct kvm_regs gp_regs;
union {
u64 sys_regs[NR_SYS_REGS];
- u32 cp15[NR_CP15_REGS];
+ u32 copro[NR_COPRO_REGS];
};
};
@@ -101,6 +101,9 @@ struct kvm_vcpu_arch {
/* Exception Information */
struct kvm_vcpu_fault_info fault;
+ /* Debug state */
+ u64 debug_flags;
+
/* Pointer to host CPU context */
kvm_cpu_context_t *host_cpu_context;
@@ -138,7 +141,20 @@ struct kvm_vcpu_arch {
#define vcpu_gp_regs(v) (&(v)->arch.ctxt.gp_regs)
#define vcpu_sys_reg(v,r) ((v)->arch.ctxt.sys_regs[(r)])
-#define vcpu_cp15(v,r) ((v)->arch.ctxt.cp15[(r)])
+/*
+ * CP14 and CP15 live in the same array, as they are backed by the
+ * same system registers.
+ */
+#define vcpu_cp14(v,r) ((v)->arch.ctxt.copro[(r)])
+#define vcpu_cp15(v,r) ((v)->arch.ctxt.copro[(r)])
+
+#ifdef CONFIG_CPU_BIG_ENDIAN
+#define vcpu_cp15_64_high(v,r) vcpu_cp15((v),(r))
+#define vcpu_cp15_64_low(v,r) vcpu_cp15((v),(r) + 1)
+#else
+#define vcpu_cp15_64_high(v,r) vcpu_cp15((v),(r) + 1)
+#define vcpu_cp15_64_low(v,r) vcpu_cp15((v),(r))
+#endif
struct kvm_vm_stat {
u32 remote_tlb_flush;
@@ -200,4 +216,32 @@ static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr,
hyp_stack_ptr, vector_ptr);
}
+struct vgic_sr_vectors {
+ void *save_vgic;
+ void *restore_vgic;
+};
+
+static inline void vgic_arch_setup(const struct vgic_params *vgic)
+{
+ extern struct vgic_sr_vectors __vgic_sr_vectors;
+
+ switch(vgic->type)
+ {
+ case VGIC_V2:
+ __vgic_sr_vectors.save_vgic = __save_vgic_v2_state;
+ __vgic_sr_vectors.restore_vgic = __restore_vgic_v2_state;
+ break;
+
+#ifdef CONFIG_ARM_GIC_V3
+ case VGIC_V3:
+ __vgic_sr_vectors.save_vgic = __save_vgic_v3_state;
+ __vgic_sr_vectors.restore_vgic = __restore_vgic_v3_state;
+ break;
+#endif
+
+ default:
+ BUG();
+ }
+}
+
#endif /* __ARM64_KVM_HOST_H__ */