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