2 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
3 * Author: Christoffer Dall <c.dall@virtualopensystems.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2, as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #ifndef __ARM_KVM_MMU_H__
20 #define __ARM_KVM_MMU_H__
22 int create_hyp_mappings(void *from, void *to);
23 int create_hyp_io_mappings(void *from, void *to, phys_addr_t);
24 void free_hyp_pmds(void);
26 int kvm_alloc_stage2_pgd(struct kvm *kvm);
27 void kvm_free_stage2_pgd(struct kvm *kvm);
28 int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
29 phys_addr_t pa, unsigned long size);
31 int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run);
33 void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu);
35 phys_addr_t kvm_mmu_get_httbr(void);
36 int kvm_mmu_init(void);
37 void kvm_clear_hyp_idmap(void);
39 static inline bool kvm_is_write_fault(unsigned long hsr)
41 unsigned long hsr_ec = hsr >> HSR_EC_SHIFT;
42 if (hsr_ec == HSR_EC_IABT)
44 else if ((hsr & HSR_ISV) && !(hsr & HSR_WNR))
50 #endif /* __ARM_KVM_MMU_H__ */