1 /* 2 * Copyright (C) 2012,2013 - ARM Ltd 3 * Author: Marc Zyngier <marc.zyngier@arm.com> 4 * 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. 8 * 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. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __ARM_KVM_ASM_H__ 19 #define __ARM_KVM_ASM_H__ 20 21 #include <asm/virt.h> 22 23 #define ARM_EXCEPTION_IRQ 0 24 #define ARM_EXCEPTION_TRAP 1 25 /* The hyp-stub will return this for any kvm_call_hyp() call */ 26 #define ARM_EXCEPTION_HYP_GONE 2 27 28 #define KVM_ARM64_DEBUG_DIRTY_SHIFT 0 29 #define KVM_ARM64_DEBUG_DIRTY (1 << KVM_ARM64_DEBUG_DIRTY_SHIFT) 30 31 #define kvm_ksym_ref(sym) \ 32 ({ \ 33 void *val = &sym; \ 34 if (!is_kernel_in_hyp_mode()) \ 35 val = phys_to_virt((u64)&sym - kimage_voffset); \ 36 val; \ 37 }) 38 39 #ifndef __ASSEMBLY__ 40 struct kvm; 41 struct kvm_vcpu; 42 43 extern char __kvm_hyp_init[]; 44 extern char __kvm_hyp_init_end[]; 45 extern char __kvm_hyp_reset[]; 46 47 extern char __kvm_hyp_vector[]; 48 49 extern void __kvm_flush_vm_context(void); 50 extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); 51 extern void __kvm_tlb_flush_vmid(struct kvm *kvm); 52 53 extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); 54 55 extern u64 __vgic_v3_get_ich_vtr_el2(void); 56 extern void __vgic_v3_init_lrs(void); 57 58 extern u32 __kvm_get_mdcr_el2(void); 59 60 extern u32 __init_stage2_translation(void); 61 62 #endif 63 64 #endif /* __ARM_KVM_ASM_H__ */ 65