/* * Copyright (C) 2012 ARM Ltd. * Author: Marc Zyngier <marc.zyngier@arm.com> * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ASM_ARM_KVM_ARCH_TIMER_H#define __ASM_ARM_KVM_ARCH_TIMER_H #include <linux/clocksource.h>#include <linux/hrtimer.h>#include <linux/workqueue.h> struct arch_timer_kvm {#ifdef CONFIG_KVM_ARM_TIMER	/* Is the timer enabled */	bool			enabled; 	/* Virtual offset */	cycle_t			cntvoff;#endif}; struct arch_timer_cpu {#ifdef CONFIG_KVM_ARM_TIMER	/* Registers: control register, timer value */	u32				cntv_ctl;	/* Saved/restored */	cycle_t				cntv_cval;	/* Saved/restored */ 	/*	 * Anything that is not used directly from assembly code goes	 * here.	 */ 	/* 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;#endif}; #ifdef CONFIG_KVM_ARM_TIMERint kvm_timer_hyp_init(void);int kvm_timer_init(struct kvm *kvm);void kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu,			  const struct kvm_irq_level *irq);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);#elsestatic inline int kvm_timer_hyp_init(void){	return 0;}; static inline int kvm_timer_init(struct kvm *kvm){	return 0;} static inline void kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu,					const struct kvm_irq_level *irq) {}static inline void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu) {}static inline void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu) {}static inline void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu) {}static inline void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu) {}#endif #endif