xref: /linux/tools/testing/selftests/kvm/include/aarch64/vgic.h (revision 594ce0b8a998aa4d05827cd7c0d0dcec9a1e3ae2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * ARM Generic Interrupt Controller (GIC) host specific defines
4  */
5 
6 #ifndef SELFTEST_KVM_VGIC_H
7 #define SELFTEST_KVM_VGIC_H
8 
9 #include <linux/kvm.h>
10 
11 #include "kvm_util.h"
12 
13 #define REDIST_REGION_ATTR_ADDR(count, base, flags, index) \
14 	(((uint64_t)(count) << 52) | \
15 	((uint64_t)((base) >> 16) << 16) | \
16 	((uint64_t)(flags) << 12) | \
17 	index)
18 
19 int vgic_v3_setup(struct kvm_vm *vm, unsigned int nr_vcpus, uint32_t nr_irqs);
20 
21 #define VGIC_MAX_RESERVED	1023
22 
23 void kvm_irq_set_level_info(int gic_fd, uint32_t intid, int level);
24 int _kvm_irq_set_level_info(int gic_fd, uint32_t intid, int level);
25 
26 void kvm_arm_irq_line(struct kvm_vm *vm, uint32_t intid, int level);
27 int _kvm_arm_irq_line(struct kvm_vm *vm, uint32_t intid, int level);
28 
29 /* The vcpu arg only applies to private interrupts. */
30 void kvm_irq_write_ispendr(int gic_fd, uint32_t intid, struct kvm_vcpu *vcpu);
31 void kvm_irq_write_isactiver(int gic_fd, uint32_t intid, struct kvm_vcpu *vcpu);
32 
33 #define KVM_IRQCHIP_NUM_PINS	(1020 - 32)
34 
35 int vgic_its_setup(struct kvm_vm *vm);
36 
37 #endif // SELFTEST_KVM_VGIC_H
38