2 * Copyright (C) 2015, 2016 ARM Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #ifndef __KVM_ARM_VGIC_NEW_H__
17 #define __KVM_ARM_VGIC_NEW_H__
19 #include <linux/irqchip/arm-gic-common.h>
21 #define PRODUCT_ID_KVM 0x4b /* ASCII code K */
22 #define IMPLEMENTER_ARM 0x43b
24 #define VGIC_ADDR_UNDEF (-1)
25 #define IS_VGIC_ADDR_UNDEF(_x) ((_x) == VGIC_ADDR_UNDEF)
27 #define INTERRUPT_ID_BITS_SPIS 10
28 #define VGIC_PRI_BITS 5
30 #define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS)
39 struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu,
41 bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq);
42 void vgic_kick_vcpus(struct kvm *kvm);
44 void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu);
45 void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu);
46 void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
47 void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr);
48 void vgic_v2_set_underflow(struct kvm_vcpu *vcpu);
49 int vgic_v2_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr);
50 int vgic_v2_dist_uaccess(struct kvm_vcpu *vcpu, bool is_write,
51 int offset, u32 *val);
52 int vgic_v2_cpuif_uaccess(struct kvm_vcpu *vcpu, bool is_write,
53 int offset, u32 *val);
54 void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
55 void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
56 void vgic_v2_enable(struct kvm_vcpu *vcpu);
57 int vgic_v2_probe(const struct gic_kvm_info *info);
58 int vgic_v2_map_resources(struct kvm *kvm);
59 int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address,
62 #ifdef CONFIG_KVM_ARM_VGIC_V3
63 void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu);
64 void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu);
65 void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
66 void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr);
67 void vgic_v3_set_underflow(struct kvm_vcpu *vcpu);
68 void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
69 void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
70 void vgic_v3_enable(struct kvm_vcpu *vcpu);
71 int vgic_v3_probe(const struct gic_kvm_info *info);
72 int vgic_v3_map_resources(struct kvm *kvm);
73 int vgic_register_redist_iodevs(struct kvm *kvm, gpa_t dist_base_address);
75 static inline void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu)
79 static inline void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
83 static inline void vgic_v3_populate_lr(struct kvm_vcpu *vcpu,
84 struct vgic_irq *irq, int lr)
88 static inline void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr)
92 static inline void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
97 void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr)
102 void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr)
106 static inline void vgic_v3_enable(struct kvm_vcpu *vcpu)
110 static inline int vgic_v3_probe(const struct gic_kvm_info *info)
115 static inline int vgic_v3_map_resources(struct kvm *kvm)
120 static inline int vgic_register_redist_iodevs(struct kvm *kvm,
121 gpa_t dist_base_address)
127 void kvm_register_vgic_device(unsigned long type);
128 int vgic_lazy_init(struct kvm *kvm);
129 int vgic_init(struct kvm *kvm);