Marc Zyngier | c76a0a6 | 2015-10-21 10:09:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 - 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 __ARM64_KVM_HYP_H__ |
| 19 | #define __ARM64_KVM_HYP_H__ |
| 20 | |
| 21 | #include <linux/compiler.h> |
| 22 | #include <linux/kvm_host.h> |
| 23 | #include <asm/kvm_mmu.h> |
| 24 | #include <asm/sysreg.h> |
| 25 | |
| 26 | #define __hyp_text __section(.hyp.text) notrace |
| 27 | |
| 28 | #define kern_hyp_va(v) (typeof(v))((unsigned long)(v) & HYP_PAGE_OFFSET_MASK) |
| 29 | #define hyp_kern_va(v) (typeof(v))((unsigned long)(v) - HYP_PAGE_OFFSET \ |
| 30 | + PAGE_OFFSET) |
| 31 | |
Marc Zyngier | 06282fd | 2015-10-19 15:50:37 +0100 | [diff] [blame] | 32 | void __vgic_v2_save_state(struct kvm_vcpu *vcpu); |
| 33 | void __vgic_v2_restore_state(struct kvm_vcpu *vcpu); |
| 34 | |
Marc Zyngier | f68d2b1 | 2015-10-19 15:50:58 +0100 | [diff] [blame] | 35 | void __vgic_v3_save_state(struct kvm_vcpu *vcpu); |
| 36 | void __vgic_v3_restore_state(struct kvm_vcpu *vcpu); |
| 37 | |
Marc Zyngier | 1431af3 | 2015-10-19 16:32:20 +0100 | [diff] [blame] | 38 | void __timer_save_state(struct kvm_vcpu *vcpu); |
| 39 | void __timer_restore_state(struct kvm_vcpu *vcpu); |
| 40 | |
Marc Zyngier | 6d6ec20 | 2015-10-19 18:02:48 +0100 | [diff] [blame] | 41 | void __sysreg_save_state(struct kvm_cpu_context *ctxt); |
| 42 | void __sysreg_restore_state(struct kvm_cpu_context *ctxt); |
Marc Zyngier | c209ec8 | 2015-10-19 19:28:29 +0100 | [diff] [blame] | 43 | void __sysreg32_save_state(struct kvm_vcpu *vcpu); |
| 44 | void __sysreg32_restore_state(struct kvm_vcpu *vcpu); |
Marc Zyngier | 6d6ec20 | 2015-10-19 18:02:48 +0100 | [diff] [blame] | 45 | |
Marc Zyngier | 8eb9926 | 2015-10-19 21:02:46 +0100 | [diff] [blame] | 46 | void __debug_save_state(struct kvm_vcpu *vcpu, |
| 47 | struct kvm_guest_debug_arch *dbg, |
| 48 | struct kvm_cpu_context *ctxt); |
| 49 | void __debug_restore_state(struct kvm_vcpu *vcpu, |
| 50 | struct kvm_guest_debug_arch *dbg, |
| 51 | struct kvm_cpu_context *ctxt); |
| 52 | void __debug_cond_save_host_state(struct kvm_vcpu *vcpu); |
| 53 | void __debug_cond_restore_host_state(struct kvm_vcpu *vcpu); |
| 54 | |
Marc Zyngier | b97b66c | 2015-10-22 08:32:18 +0100 | [diff] [blame^] | 55 | u64 __guest_enter(struct kvm_vcpu *vcpu, struct kvm_cpu_context *host_ctxt); |
| 56 | |
Marc Zyngier | c76a0a6 | 2015-10-21 10:09:49 +0100 | [diff] [blame] | 57 | #endif /* __ARM64_KVM_HYP_H__ */ |
| 58 | |