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Marc Zyngierc76a0a62015-10-21 10:09:49 +01001/*
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 Zyngier06282fd2015-10-19 15:50:37 +010032void __vgic_v2_save_state(struct kvm_vcpu *vcpu);
33void __vgic_v2_restore_state(struct kvm_vcpu *vcpu);
34
Marc Zyngierf68d2b12015-10-19 15:50:58 +010035void __vgic_v3_save_state(struct kvm_vcpu *vcpu);
36void __vgic_v3_restore_state(struct kvm_vcpu *vcpu);
37
Marc Zyngier1431af32015-10-19 16:32:20 +010038void __timer_save_state(struct kvm_vcpu *vcpu);
39void __timer_restore_state(struct kvm_vcpu *vcpu);
40
Marc Zyngier6d6ec202015-10-19 18:02:48 +010041void __sysreg_save_state(struct kvm_cpu_context *ctxt);
42void __sysreg_restore_state(struct kvm_cpu_context *ctxt);
Marc Zyngierc209ec82015-10-19 19:28:29 +010043void __sysreg32_save_state(struct kvm_vcpu *vcpu);
44void __sysreg32_restore_state(struct kvm_vcpu *vcpu);
Marc Zyngier6d6ec202015-10-19 18:02:48 +010045
Marc Zyngier8eb99262015-10-19 21:02:46 +010046void __debug_save_state(struct kvm_vcpu *vcpu,
47 struct kvm_guest_debug_arch *dbg,
48 struct kvm_cpu_context *ctxt);
49void __debug_restore_state(struct kvm_vcpu *vcpu,
50 struct kvm_guest_debug_arch *dbg,
51 struct kvm_cpu_context *ctxt);
52void __debug_cond_save_host_state(struct kvm_vcpu *vcpu);
53void __debug_cond_restore_host_state(struct kvm_vcpu *vcpu);
54
Marc Zyngierb97b66c2015-10-22 08:32:18 +010055u64 __guest_enter(struct kvm_vcpu *vcpu, struct kvm_cpu_context *host_ctxt);
56
Marc Zyngierc76a0a62015-10-21 10:09:49 +010057#endif /* __ARM64_KVM_HYP_H__ */
58