1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2012,2013 - ARM Ltd
4  * Author: Marc Zyngier <marc.zyngier@arm.com>
5  *
6  * Derived from arch/arm/include/asm/kvm_coproc.h
7  * Copyright (C) 2012 Rusty Russell IBM Corporation
8  */
9 
10 #ifndef __ARM64_KVM_COPROC_H__
11 #define __ARM64_KVM_COPROC_H__
12 
13 #include <linux/kvm_host.h>
14 
15 void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
16 
17 struct kvm_sys_reg_table {
18 	const struct sys_reg_desc *table;
19 	size_t num;
20 };
21 
22 struct kvm_sys_reg_target_table {
23 	struct kvm_sys_reg_table table64;
24 	struct kvm_sys_reg_table table32;
25 };
26 
27 void kvm_register_target_sys_reg_table(unsigned int target,
28 				       struct kvm_sys_reg_target_table *table);
29 
30 int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
31 int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
32 int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
33 int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
34 int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
35 int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run);
36 
37 #define kvm_coproc_table_init kvm_sys_reg_table_init
38 void kvm_sys_reg_table_init(void);
39 
40 struct kvm_one_reg;
41 int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
42 int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
43 int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
44 unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
45 
46 #endif /* __ARM64_KVM_COPROC_H__ */
47