| Christoffer Dall | 55009c6 | 2019-10-21 16:28:15 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright (C) 2019 Arm Ltd. */ |
| 3 | |
| 4 | #ifndef __KVM_ARM_HYPERCALLS_H |
| 5 | #define __KVM_ARM_HYPERCALLS_H |
| 6 | |
| 7 | #include <asm/kvm_emulate.h> |
| 8 | |
| 9 | int kvm_hvc_call_handler(struct kvm_vcpu *vcpu); |
| 10 | |
| 11 | static inline u32 smccc_get_function(struct kvm_vcpu *vcpu) |
| 12 | { |
| 13 | return vcpu_get_reg(vcpu, 0); |
| 14 | } |
| 15 | |
| 16 | static inline unsigned long smccc_get_arg1(struct kvm_vcpu *vcpu) |
| 17 | { |
| 18 | return vcpu_get_reg(vcpu, 1); |
| 19 | } |
| 20 | |
| 21 | static inline unsigned long smccc_get_arg2(struct kvm_vcpu *vcpu) |
| 22 | { |
| 23 | return vcpu_get_reg(vcpu, 2); |
| 24 | } |
| 25 | |
| 26 | static inline unsigned long smccc_get_arg3(struct kvm_vcpu *vcpu) |
| 27 | { |
| 28 | return vcpu_get_reg(vcpu, 3); |
| 29 | } |
| 30 | |
| 31 | static inline void smccc_set_retval(struct kvm_vcpu *vcpu, |
| 32 | unsigned long a0, |
| 33 | unsigned long a1, |
| 34 | unsigned long a2, |
| 35 | unsigned long a3) |
| 36 | { |
| 37 | vcpu_set_reg(vcpu, 0, a0); |
| 38 | vcpu_set_reg(vcpu, 1, a1); |
| 39 | vcpu_set_reg(vcpu, 2, a2); |
| 40 | vcpu_set_reg(vcpu, 3, a3); |
| 41 | } |
| 42 | |
| 43 | #endif |