xref: /kvmtool/arm/include/arm-common/kvm-cpu-arch.h (revision 85bd726a06b6e6208e24f51cea464427bb9cfe42)
1 #ifndef ARM_COMMON__KVM_CPU_ARCH_H
2 #define ARM_COMMON__KVM_CPU_ARCH_H
3 
4 #include <linux/kvm.h>
5 #include <pthread.h>
6 #include <stdbool.h>
7 
8 struct kvm;
9 
10 struct kvm_cpu {
11 	pthread_t	thread;
12 
13 	unsigned long	cpu_id;
14 	unsigned long	cpu_type;
15 	const char	*cpu_compatible;
16 
17 	struct kvm	*kvm;
18 	int		vcpu_fd;
19 	struct kvm_run	*kvm_run;
20 
21 	u8		is_running;
22 	u8		paused;
23 	u8		needs_nmi;
24 
25 	struct kvm_coalesced_mmio_ring	*ring;
26 
27 	void		(*generate_fdt_nodes)(void *fdt, struct kvm* kvm,
28 					      u32 gic_phandle);
29 };
30 
31 struct kvm_arm_target {
32 	u32		id;
33 	const char 	*compatible;
34 	int		(*init)(struct kvm_cpu *vcpu);
35 };
36 
37 void kvm_cpu__set_kvm_arm_generic_target(struct kvm_arm_target *target);
38 
39 int kvm_cpu__register_kvm_arm_target(struct kvm_arm_target *target);
40 
41 static inline bool kvm_cpu__emulate_io(struct kvm_cpu *vcpu, u16 port, void *data,
42 				       int direction, int size, u32 count)
43 {
44 	return false;
45 }
46 
47 bool kvm_cpu__emulate_mmio(struct kvm_cpu *vcpu, u64 phys_addr, u8 *data,
48 			   u32 len, u8 is_write);
49 
50 unsigned long kvm_cpu__get_vcpu_mpidr(struct kvm_cpu *vcpu);
51 
52 #endif /* ARM_COMMON__KVM_CPU_ARCH_H */
53