QortalOS Brooklyn for Raspberry Pi 4
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

44 lines
1.2 KiB

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Atish Patra <[email protected]>
*/
#ifndef __KVM_VCPU_RISCV_TIMER_H
#define __KVM_VCPU_RISCV_TIMER_H
#include <linux/hrtimer.h>
struct kvm_guest_timer {
/* Mult & Shift values to get nanoseconds from cycles */
u32 nsec_mult;
u32 nsec_shift;
/* Time delta value */
u64 time_delta;
};
struct kvm_vcpu_timer {
/* Flag for whether init is done */
bool init_done;
/* Flag for whether timer event is configured */
bool next_set;
/* Next timer event cycles */
u64 next_cycles;
/* Underlying hrtimer instance */
struct hrtimer hrt;
};
int kvm_riscv_vcpu_timer_next_event(struct kvm_vcpu *vcpu, u64 ncycles);
int kvm_riscv_vcpu_get_reg_timer(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg);
int kvm_riscv_vcpu_set_reg_timer(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg);
int kvm_riscv_vcpu_timer_init(struct kvm_vcpu *vcpu);
int kvm_riscv_vcpu_timer_deinit(struct kvm_vcpu *vcpu);
int kvm_riscv_vcpu_timer_reset(struct kvm_vcpu *vcpu);
void kvm_riscv_vcpu_timer_restore(struct kvm_vcpu *vcpu);
int kvm_riscv_guest_timer_init(struct kvm *kvm);
#endif