projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 55009c6e CD |
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 | ||
| 85fbe08e RRA |
43 | struct kvm_one_reg; |
| 44 | ||
| 05714cab | 45 | void kvm_arm_init_hypercalls(struct kvm *kvm); |
| 85fbe08e RRA |
46 | int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu); |
| 47 | int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices); | |
| 48 | int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); | |
| 49 | int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); | |
| 50 | ||
| 55009c6e | 51 | #endif |