/* * Copyright (C) 2015, 2016 ARM Ltd. * * 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, see . */ #ifndef __KVM_ARM_VGIC_NEW_H__ #define __KVM_ARM_VGIC_NEW_H__ #include #define PRODUCT_ID_KVM 0x4b /* ASCII code K */ #define IMPLEMENTER_ARM 0x43b #define VGIC_ADDR_UNDEF (-1) #define IS_VGIC_ADDR_UNDEF(_x) ((_x) == VGIC_ADDR_UNDEF) #define INTERRUPT_ID_BITS_SPIS 10 #define VGIC_PRI_BITS 5 #define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS) struct vgic_vmcr { u32 ctlr; u32 abpr; u32 bpr; u32 pmr; }; struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, u32 intid); bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq); void vgic_kick_vcpus(struct kvm *kvm); void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu); void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu); void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr); void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr); void vgic_v2_set_underflow(struct kvm_vcpu *vcpu); int vgic_v2_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr); int vgic_v2_dist_uaccess(struct kvm_vcpu *vcpu, bool is_write, int offset, u32 *val); int vgic_v2_cpuif_uaccess(struct kvm_vcpu *vcpu, bool is_write, int offset, u32 *val); void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); void vgic_v2_enable(struct kvm_vcpu *vcpu); int vgic_v2_probe(const struct gic_kvm_info *info); int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, enum vgic_type); #ifdef CONFIG_KVM_ARM_VGIC_V3 void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu); void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu); void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr); void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr); void vgic_v3_set_underflow(struct kvm_vcpu *vcpu); void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr); void vgic_v3_enable(struct kvm_vcpu *vcpu); int vgic_v3_probe(const struct gic_kvm_info *info); int vgic_register_redist_iodevs(struct kvm *kvm, gpa_t dist_base_address); #else static inline void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu) { } static inline void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu) { } static inline void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr) { } static inline void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr) { } static inline void vgic_v3_set_underflow(struct kvm_vcpu *vcpu) { } static inline void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr) { } static inline void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr) { } static inline void vgic_v3_enable(struct kvm_vcpu *vcpu) { } static inline int vgic_v3_probe(const struct gic_kvm_info *info) { return -ENODEV; } static inline int vgic_register_redist_iodevs(struct kvm *kvm, gpa_t dist_base_address) { return -ENODEV; } #endif void kvm_register_vgic_device(unsigned long type); int vgic_lazy_init(struct kvm *kvm); int vgic_init(struct kvm *kvm); #endif