*/
#define kern_hyp_va(kva) (kva)
+/* Contrary to arm64, there is no need to generate a PC-relative address */
+#define hyp_symbol_addr(s) \
+ ({ \
+ typeof(s) *addr = &(s); \
+ addr; \
+ })
+
/*
* KVM_MMU_CACHE_MIN_PAGES is the number of stage2 page table translation levels.
*/
return 8;
}
+/*
+ * We are not in the kvm->srcu critical section most of the time, so we take
+ * the SRCU read lock here. Since we copy the data from the user page, we
+ * can immediately drop the lock again.
+ */
+static inline int kvm_read_guest_lock(struct kvm *kvm,
+ gpa_t gpa, void *data, unsigned long len)
+{
+ int srcu_idx = srcu_read_lock(&kvm->srcu);
+ int ret = kvm_read_guest(kvm, gpa, data, len);
+
+ srcu_read_unlock(&kvm->srcu, srcu_idx);
+
+ return ret;
+}
+
+static inline void *kvm_get_hyp_vector(void)
+{
+ switch(read_cpuid_part()) {
+#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
+ case ARM_CPU_PART_CORTEX_A12:
+ case ARM_CPU_PART_CORTEX_A17:
+ {
+ extern char __kvm_hyp_vector_bp_inv[];
+ return kvm_ksym_ref(__kvm_hyp_vector_bp_inv);
+ }
+
+ case ARM_CPU_PART_BRAHMA_B15:
+ case ARM_CPU_PART_CORTEX_A15:
+ {
+ extern char __kvm_hyp_vector_ic_inv[];
+ return kvm_ksym_ref(__kvm_hyp_vector_ic_inv);
+ }
+#endif
+ default:
+ {
+ extern char __kvm_hyp_vector[];
+ return kvm_ksym_ref(__kvm_hyp_vector);
+ }
+ }
+}
+
+static inline int kvm_map_vectors(void)
+{
+ return 0;
+}
+
+static inline int hyp_map_aux_data(void)
+{
+ return 0;
+}
+
#endif /* !__ASSEMBLY__ */
#endif /* __ARM_KVM_MMU_H__ */