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authorAlex Bennée <alex.bennee@linaro.org>2015-03-13 17:02:53 +0000
committerChristoffer Dall <christoffer.dall@linaro.org>2015-03-14 13:44:52 +0100
commit71760950bf3dc796e5e53ea3300dec724a09f593 (patch)
tree974d409ca994d82f66da7d66e618e5f2d9ba86d2 /virt
parentecccf0cc722f40e0dcc97872e7a960765119a256 (diff)
downloadkernel-71760950bf3dc796e5e53ea3300dec724a09f593.tar.gz
arm/arm64: KVM: add a common vgic_queue_irq_to_lr fn
This helps re-factor away some of the repetitive code and makes the code flow more nicely. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/arm/vgic.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index c000e978c1fb..697ce17538f5 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -950,6 +950,20 @@ static void vgic_retire_disabled_irqs(struct kvm_vcpu *vcpu)
}
}
+static void vgic_queue_irq_to_lr(struct kvm_vcpu *vcpu, int irq,
+ int lr_nr, struct vgic_lr vlr)
+{
+ if (vgic_dist_irq_is_pending(vcpu, irq)) {
+ vlr.state |= LR_STATE_PENDING;
+ kvm_debug("Set pending: 0x%x\n", vlr.state);
+ }
+
+ if (!vgic_irq_is_edge(vcpu, irq))
+ vlr.state |= LR_EOI_INT;
+
+ vgic_set_lr(vcpu, lr_nr, vlr);
+}
+
/*
* Queue an interrupt to a CPU virtual interface. Return true on success,
* or false if it wasn't possible to queue it.
@@ -977,8 +991,7 @@ bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
if (vlr.source == sgi_source_id) {
kvm_debug("LR%d piggyback for IRQ%d\n", lr, vlr.irq);
BUG_ON(!test_bit(lr, vgic_cpu->lr_used));
- vlr.state |= LR_STATE_PENDING;
- vgic_set_lr(vcpu, lr, vlr);
+ vgic_queue_irq_to_lr(vcpu, irq, lr, vlr);
return true;
}
}
@@ -995,11 +1008,8 @@ bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
vlr.irq = irq;
vlr.source = sgi_source_id;
- vlr.state = LR_STATE_PENDING;
- if (!vgic_irq_is_edge(vcpu, irq))
- vlr.state |= LR_EOI_INT;
-
- vgic_set_lr(vcpu, lr, vlr);
+ vlr.state = 0;
+ vgic_queue_irq_to_lr(vcpu, irq, lr, vlr);
return true;
}