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| author | Christoffer Dall <christoffer.dall@linaro.org> | 2015-03-13 20:02:54 +0300 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2015-03-14 15:46:44 +0300 |
| commit | 47a98b15ba7cf6a13bd94ab8455d3f586b16420b (patch) | |
| tree | 5b0263f9e628236b50dd863da13269912cf5873b /virt/kvm/arm/vgic-v2-emul.c | |
| parent | 71760950bf3dc796e5e53ea3300dec724a09f593 (diff) | |
| download | linux-47a98b15ba7cf6a13bd94ab8455d3f586b16420b.tar.xz | |
arm/arm64: KVM: support for un-queuing active IRQs
Migrating active interrupts causes the active state to be lost
completely. This implements some additional bitmaps to track the active
state on the distributor and export this to user space.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt/kvm/arm/vgic-v2-emul.c')
| -rw-r--r-- | virt/kvm/arm/vgic-v2-emul.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/virt/kvm/arm/vgic-v2-emul.c b/virt/kvm/arm/vgic-v2-emul.c index 19c6210f02cf..c81866284441 100644 --- a/virt/kvm/arm/vgic-v2-emul.c +++ b/virt/kvm/arm/vgic-v2-emul.c @@ -107,6 +107,22 @@ static bool handle_mmio_clear_pending_reg(struct kvm_vcpu *vcpu, vcpu->vcpu_id); } +static bool handle_mmio_set_active_reg(struct kvm_vcpu *vcpu, + struct kvm_exit_mmio *mmio, + phys_addr_t offset) +{ + return vgic_handle_set_active_reg(vcpu->kvm, mmio, offset, + vcpu->vcpu_id); +} + +static bool handle_mmio_clear_active_reg(struct kvm_vcpu *vcpu, + struct kvm_exit_mmio *mmio, + phys_addr_t offset) +{ + return vgic_handle_clear_active_reg(vcpu->kvm, mmio, offset, + vcpu->vcpu_id); +} + static bool handle_mmio_priority_reg(struct kvm_vcpu *vcpu, struct kvm_exit_mmio *mmio, phys_addr_t offset) @@ -344,13 +360,13 @@ static const struct kvm_mmio_range vgic_dist_ranges[] = { .base = GIC_DIST_ACTIVE_SET, .len = VGIC_MAX_IRQS / 8, .bits_per_irq = 1, - .handle_mmio = handle_mmio_raz_wi, + .handle_mmio = handle_mmio_set_active_reg, }, { .base = GIC_DIST_ACTIVE_CLEAR, .len = VGIC_MAX_IRQS / 8, .bits_per_irq = 1, - .handle_mmio = handle_mmio_raz_wi, + .handle_mmio = handle_mmio_clear_active_reg, }, { .base = GIC_DIST_PRI, |