Shouldn't be needed - a complete duplicate from arch/arm. Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> --- arch/arm/kvm/arch_timer.c | 1 + arch/arm64/include/asm/kvm_arch_timer.h | 58 +++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) create mode 100644 arch/arm64/include/asm/kvm_arch_timer.h diff --git a/arch/arm/kvm/arch_timer.c b/arch/arm/kvm/arch_timer.c index 6ac938d..ca04a99 100644 --- a/arch/arm/kvm/arch_timer.c +++ b/arch/arm/kvm/arch_timer.c @@ -194,6 +194,7 @@ static struct notifier_block kvm_timer_cpu_nb = { static const struct of_device_id arch_timer_of_match[] = { { .compatible = "arm,armv7-timer", }, + { .compatible = "arm,armv8-timer", }, {}, }; diff --git a/arch/arm64/include/asm/kvm_arch_timer.h b/arch/arm64/include/asm/kvm_arch_timer.h new file mode 100644 index 0000000..eb02273 --- /dev/null +++ b/arch/arm64/include/asm/kvm_arch_timer.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * Author: Marc Zyngier <marc.zyngier@xxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __ARM64_KVM_ARCH_TIMER_H +#define __ARM64_KVM_ARCH_TIMER_H + +#include <linux/clocksource.h> +#include <linux/hrtimer.h> +#include <linux/workqueue.h> + +struct arch_timer_kvm { + /* Is the timer enabled */ + bool enabled; + + /* Virtual offset, restored only */ + cycle_t cntvoff; +}; + +struct arch_timer_cpu { + /* Background timer used when the guest is not running */ + struct hrtimer timer; + + /* Work queued with the above timer expires */ + struct work_struct expired; + + /* Background timer active */ + bool armed; + + /* Timer IRQ */ + const struct kvm_irq_level *irq; + + /* Registers: control register, timer value */ + u32 cntv_ctl; /* Saved/restored */ + cycle_t cntv_cval; /* Saved/restored */ +}; + +int kvm_timer_hyp_init(void); +int kvm_timer_init(struct kvm *kvm); +void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu); +void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu); +void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu); +void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu); + +#endif -- 1.7.12.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html