59529f69f5
As the GICv3 virtual interface registers differ from their GICv2 siblings, we need different handlers for processing maintenance interrupts and reading/writing to the LRs. Implement the respective handler functions and connect them to existing code to be called if the host is using a GICv3. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
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* Copyright (C) 2015, 2016 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __KVM_ARM_VGIC_NEW_H__
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#define __KVM_ARM_VGIC_NEW_H__
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#define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS)
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struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu,
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u32 intid);
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bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq);
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void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu);
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void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu);
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void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
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void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr);
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void vgic_v2_set_underflow(struct kvm_vcpu *vcpu);
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#ifdef CONFIG_KVM_ARM_VGIC_V3
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void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu);
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void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu);
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void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
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void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr);
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void vgic_v3_set_underflow(struct kvm_vcpu *vcpu);
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#else
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static inline void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu)
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{
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}
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static inline void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
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{
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}
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static inline void vgic_v3_populate_lr(struct kvm_vcpu *vcpu,
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struct vgic_irq *irq, int lr)
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{
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}
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static inline void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr)
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{
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}
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static inline void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
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{
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}
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#endif
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#endif
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