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authorJintack Lim <jintack@cs.columbia.edu>2017-02-03 10:19:59 -0500
committerMarc Zyngier <marc.zyngier@arm.com>2017-02-08 15:13:32 +0000
commitfbb4aeec5fc2ab47615b2a0cbabc503e1eef4c60 (patch)
treec4393d9305a159691d9af8ff6393fb8ed0753416 /virt/kvm/arm/hyp
parent0bdbf3b071986ba80731203683cf623d5c0cacb1 (diff)
downloadlinux-fbb4aeec5fc2ab47615b2a0cbabc503e1eef4c60.tar.bz2
KVM: arm/arm64: Abstract virtual timer context into separate structure
Abstract virtual timer context into a separate structure and change all callers referring to timer registers, irq state and so on. No change in functionality. This is about to become very handy when adding the EL1 physical timer. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt/kvm/arm/hyp')
-rw-r--r--virt/kvm/arm/hyp/timer-sr.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/virt/kvm/arm/hyp/timer-sr.c b/virt/kvm/arm/hyp/timer-sr.c
index 63e28dd18bb0..0cf08953e81c 100644
--- a/virt/kvm/arm/hyp/timer-sr.c
+++ b/virt/kvm/arm/hyp/timer-sr.c
@@ -25,11 +25,12 @@
void __hyp_text __timer_save_state(struct kvm_vcpu *vcpu)
{
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
+ struct arch_timer_context *vtimer = vcpu_vtimer(vcpu);
u64 val;
if (timer->enabled) {
- timer->cntv_ctl = read_sysreg_el0(cntv_ctl);
- timer->cntv_cval = read_sysreg_el0(cntv_cval);
+ vtimer->cnt_ctl = read_sysreg_el0(cntv_ctl);
+ vtimer->cnt_cval = read_sysreg_el0(cntv_cval);
}
/* Disable the virtual timer */
@@ -54,6 +55,7 @@ void __hyp_text __timer_restore_state(struct kvm_vcpu *vcpu)
{
struct kvm *kvm = kern_hyp_va(vcpu->kvm);
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
+ struct arch_timer_context *vtimer = vcpu_vtimer(vcpu);
u64 val;
/* Those bits are already configured at boot on VHE-system */
@@ -70,8 +72,8 @@ void __hyp_text __timer_restore_state(struct kvm_vcpu *vcpu)
if (timer->enabled) {
write_sysreg(kvm->arch.timer.cntvoff, cntvoff_el2);
- write_sysreg_el0(timer->cntv_cval, cntv_cval);
+ write_sysreg_el0(vtimer->cnt_cval, cntv_cval);
isb();
- write_sysreg_el0(timer->cntv_ctl, cntv_ctl);
+ write_sysreg_el0(vtimer->cnt_ctl, cntv_ctl);
}
}