diff options
Diffstat (limited to 'sys/amd64/include/vmm.h')
| -rw-r--r-- | sys/amd64/include/vmm.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/amd64/include/vmm.h b/sys/amd64/include/vmm.h index a08c90ed20be..70909510c983 100644 --- a/sys/amd64/include/vmm.h +++ b/sys/amd64/include/vmm.h @@ -34,6 +34,8 @@ #include <sys/sdt.h> #include <x86/segments.h> +struct vm_snapshot_meta; + #ifdef _KERNEL SDT_PROVIDER_DECLARE(vmm); #endif @@ -152,6 +154,7 @@ struct vmspace; struct vm_object; struct vm_guest_paging; struct pmap; +enum snapshot_req; struct vm_eventinfo { void *rptr; /* rendezvous cookie */ @@ -180,6 +183,10 @@ typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max); typedef void (*vmi_vmspace_free)(struct vmspace *vmspace); typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu); typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic); +typedef int (*vmi_snapshot_t)(void *vmi, struct vm_snapshot_meta *meta); +typedef int (*vmi_snapshot_vmcx_t)(void *vmi, struct vm_snapshot_meta *meta, + int vcpu); +typedef int (*vmi_restore_tsc_t)(void *vmi, int vcpuid, uint64_t now); struct vmm_ops { vmm_init_func_t init; /* module wide initialization */ @@ -199,6 +206,11 @@ struct vmm_ops { vmi_vmspace_free vmspace_free; vmi_vlapic_init vlapic_init; vmi_vlapic_cleanup vlapic_cleanup; + + /* checkpoint operations */ + vmi_snapshot_t vmsnapshot; + vmi_snapshot_vmcx_t vmcx_snapshot; + vmi_restore_tsc_t vm_restore_tsc; }; extern struct vmm_ops vmm_ops_intel; @@ -272,6 +284,9 @@ void vm_exit_debug(struct vm *vm, int vcpuid, uint64_t rip); void vm_exit_rendezvous(struct vm *vm, int vcpuid, uint64_t rip); void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip); void vm_exit_reqidle(struct vm *vm, int vcpuid, uint64_t rip); +int vm_snapshot_req(struct vm *vm, struct vm_snapshot_meta *meta); +int vm_restore_time(struct vm *vm); + #ifdef _SYS__CPUSET_H_ /* @@ -409,6 +424,15 @@ int vm_entry_intinfo(struct vm *vm, int vcpuid, uint64_t *info); int vm_get_intinfo(struct vm *vm, int vcpuid, uint64_t *info1, uint64_t *info2); +/* + * Function used to keep track of the guest's TSC offset. The + * offset is used by the virutalization extensions to provide a consistent + * value for the Time Stamp Counter to the guest. + * + * Return value is 0 on success and non-zero on failure. + */ +int vm_set_tsc_offset(struct vm *vm, int vcpu_id, uint64_t offset); + enum vm_reg_name vm_segment_name(int seg_encoding); struct vm_copyinfo { |