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