xref: /kvmtool/include/kvm/kvm.h (revision dbdb74c21e2456084b6a01a0802a171abc47e1c4)
1ae1fae34SPekka Enberg #ifndef KVM__KVM_H
2ae1fae34SPekka Enberg #define KVM__KVM_H
3ae1fae34SPekka Enberg 
4ae1fae34SPekka Enberg #include <linux/kvm.h>	/* for struct kvm_regs */
5ae1fae34SPekka Enberg 
6ae1fae34SPekka Enberg #include <stdbool.h>
7ae1fae34SPekka Enberg #include <stdint.h>
8ae1fae34SPekka Enberg 
9ae1fae34SPekka Enberg struct kvm {
10ae1fae34SPekka Enberg 	int			sys_fd;		/* For system ioctls(), i.e. /dev/kvm */
11ae1fae34SPekka Enberg 	int			vm_fd;		/* For VM ioctls() */
12ae1fae34SPekka Enberg 	int			vcpu_fd;	/* For VCPU ioctls() */
13ae1fae34SPekka Enberg 	struct kvm_run		*kvm_run;
14ae1fae34SPekka Enberg 
15ae1fae34SPekka Enberg 	uint64_t		ram_size;
16ae1fae34SPekka Enberg 	void			*ram_start;
17ae1fae34SPekka Enberg 
18*dbdb74c2SPekka Enberg 	uint16_t		boot_selector;
19edc8a14dSPekka Enberg 	uint16_t		boot_ip;
20*dbdb74c2SPekka Enberg 	uint16_t		boot_sp;
21edc8a14dSPekka Enberg 
22ae1fae34SPekka Enberg 	struct kvm_regs		regs;
2353602077SPekka Enberg 	struct kvm_sregs	sregs;
24ae1fae34SPekka Enberg };
25ae1fae34SPekka Enberg 
26ae1fae34SPekka Enberg struct kvm *kvm__init(void);
27ae1fae34SPekka Enberg void kvm__enable_singlestep(struct kvm *self);
287fb218bdSPekka Enberg bool kvm__load_kernel(struct kvm *kvm, const char *kernel_filename);
297fb218bdSPekka Enberg void kvm__reset_vcpu(struct kvm *self);
30ae1fae34SPekka Enberg void kvm__run(struct kvm *self);
31ae1fae34SPekka Enberg void kvm__emulate_io(struct kvm *self, uint16_t port, void *data, int direction, int size, uint32_t count);
32ae1fae34SPekka Enberg 
33ae1fae34SPekka Enberg /*
34ae1fae34SPekka Enberg  * Debugging
35ae1fae34SPekka Enberg  */
36ae1fae34SPekka Enberg void kvm__show_code(struct kvm *self);
37ae1fae34SPekka Enberg void kvm__show_registers(struct kvm *self);
38ae1fae34SPekka Enberg 
39ae1fae34SPekka Enberg extern const char *kvm_exit_reasons[];
40ae1fae34SPekka Enberg 
41ae1fae34SPekka Enberg #endif /* KVM__KVM_H */
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