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
);
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