diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
commit | 0d4a42f6bd298e826620585e766a154ab460617a (patch) | |
tree | 406d8f7778691d858dbe3e48e4bbb10e99c0a58a /arch/arm/include/asm/kvm_arch_timer.h | |
parent | d62b4892f3d9f7dd2002e5309be10719d6805b0f (diff) | |
parent | a937536b868b8369b98967929045f1df54234323 (diff) |
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in
commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date: Wed Feb 27 17:02:56 2013 -0800
lib/scatterlist: add simple page iterator
The merge itself is just two trivial conflicts:
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/arm/include/asm/kvm_arch_timer.h')
-rw-r--r-- | arch/arm/include/asm/kvm_arch_timer.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_arch_timer.h b/arch/arm/include/asm/kvm_arch_timer.h new file mode 100644 index 00000000000..68cb9e1dfb8 --- /dev/null +++ b/arch/arm/include/asm/kvm_arch_timer.h @@ -0,0 +1,85 @@ +/* + * 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_TIMER +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); +#else +static 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_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 |