47
48 #include <sys/sdt.h>
49 #include <x86/segments.h>
50
51 SDT_PROVIDER_DECLARE(vmm);
52
53 struct vm;
54 struct vm_exception;
55 struct seg_desc;
56 struct vm_exit;
57 struct vie;
58 struct vm_run;
59 struct vhpet;
60 struct vioapic;
61 struct vlapic;
62 struct vmspace;
63 struct vm_object;
64 struct vm_guest_paging;
65 struct pmap;
66
67 struct vm_eventinfo {
68 uint_t *rptr; /* runblock cookie */
69 int *sptr; /* suspend cookie */
70 int *iptr; /* reqidle cookie */
71 };
72
73 typedef int (*vmm_init_func_t)(int ipinum);
74 typedef int (*vmm_cleanup_func_t)(void);
75 typedef void (*vmm_resume_func_t)(void);
76 typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap);
77 typedef int (*vmi_run_func_t)(void *vmi, int vcpu, uint64_t rip,
78 struct pmap *pmap, struct vm_eventinfo *info);
79 typedef void (*vmi_cleanup_func_t)(void *vmi);
80 typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num,
81 uint64_t *retval);
82 typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num,
83 uint64_t val);
84 typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num,
85 struct seg_desc *desc);
86 typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num,
87 struct seg_desc *desc);
88 typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval);
89 typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val);
90 typedef struct vmspace *(*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max);
91 typedef void (*vmi_vmspace_free)(struct vmspace *vmspace);
92 typedef struct vlapic *(*vmi_vlapic_init)(void *vmi, int vcpu);
93 typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic);
94 #ifndef __FreeBSD__
95 typedef void (*vmi_savectx)(void *vmi, int vcpu);
96 typedef void (*vmi_restorectx)(void *vmi, int vcpu);
97 #endif
98
99 struct vmm_ops {
100 vmm_init_func_t init; /* module wide initialization */
101 vmm_cleanup_func_t cleanup;
102 vmm_resume_func_t resume;
103
104 vmi_init_func_t vminit; /* vm-specific initialization */
105 vmi_run_func_t vmrun;
106 vmi_cleanup_func_t vmcleanup;
107 vmi_get_register_t vmgetreg;
154 /*
155 * APIs that inspect the guest memory map require only a *single* vcpu to
156 * be frozen. This acts like a read lock on the guest memory map since any
157 * modification requires *all* vcpus to be frozen.
158 */
159 int vm_mmap_getnext(struct vm *vm, vm_paddr_t *gpa, int *segid,
160 vm_ooffset_t *segoff, size_t *len, int *prot, int *flags);
161 int vm_get_memseg(struct vm *vm, int ident, size_t *len, bool *sysmem,
162 struct vm_object **objptr);
163 vm_paddr_t vmm_sysmem_maxaddr(struct vm *vm);
164 void *vm_gpa_hold(struct vm *, int vcpuid, vm_paddr_t gpa, size_t len,
165 int prot, void **cookie);
166 void vm_gpa_release(void *cookie);
167 bool vm_mem_allocated(struct vm *vm, int vcpuid, vm_paddr_t gpa);
168
169 int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval);
170 int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val);
171 int vm_get_seg_desc(struct vm *vm, int vcpu, int reg,
172 struct seg_desc *ret_desc);
173 int vm_set_seg_desc(struct vm *vm, int vcpu, int reg,
174 struct seg_desc *desc);
175 int vm_run(struct vm *vm, int vcpuid, const struct vm_entry *);
176 int vm_suspend(struct vm *vm, enum vm_suspend_how how);
177 int vm_inject_nmi(struct vm *vm, int vcpu);
178 int vm_nmi_pending(struct vm *vm, int vcpuid);
179 void vm_nmi_clear(struct vm *vm, int vcpuid);
180 int vm_inject_extint(struct vm *vm, int vcpu);
181 int vm_extint_pending(struct vm *vm, int vcpuid);
182 void vm_extint_clear(struct vm *vm, int vcpuid);
183 struct vlapic *vm_lapic(struct vm *vm, int cpu);
184 struct vioapic *vm_ioapic(struct vm *vm);
185 struct vhpet *vm_hpet(struct vm *vm);
186 int vm_get_capability(struct vm *vm, int vcpu, int type, int *val);
187 int vm_set_capability(struct vm *vm, int vcpu, int type, int val);
188 int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state);
189 int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state);
190 int vm_apicid2vcpuid(struct vm *vm, int apicid);
191 int vm_activate_cpu(struct vm *vm, int vcpu);
192 int vm_suspend_cpu(struct vm *vm, int vcpu);
193 int vm_resume_cpu(struct vm *vm, int vcpu);
194 struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid);
195 struct vie *vm_vie_ctx(struct vm *vm, int vcpuid);
196 void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip);
197 void vm_exit_debug(struct vm *vm, int vcpuid, uint64_t rip);
198 void vm_exit_runblock(struct vm *vm, int vcpuid, uint64_t rip);
199 void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip);
200 void vm_exit_reqidle(struct vm *vm, int vcpuid, uint64_t rip);
201 int vm_service_mmio_read(struct vm *vm, int cpuid, uint64_t gpa, uint64_t *rval,
202 int rsize);
203 int vm_service_mmio_write(struct vm *vm, int cpuid, uint64_t gpa, uint64_t wval,
204 int wsize);
205 void vm_req_spinup_ap(struct vm *vm, int req_vcpuid, uint64_t req_rip);
206
207 #ifdef _SYS__CPUSET_H_
208 cpuset_t vm_active_cpus(struct vm *vm);
209 cpuset_t vm_debug_cpus(struct vm *vm);
210 cpuset_t vm_suspended_cpus(struct vm *vm);
211 #endif /* _SYS__CPUSET_H_ */
212
213 static __inline int
214 vcpu_runblocked(struct vm_eventinfo *info)
215 {
216
217 return (*info->rptr != 0);
218 }
219
220 static __inline int
221 vcpu_suspended(struct vm_eventinfo *info)
222 {
223
224 return (*info->sptr);
225 }
226
227 static __inline int
228 vcpu_reqidle(struct vm_eventinfo *info)
229 {
230
231 return (*info->iptr);
232 }
233
234 int vcpu_debugged(struct vm *vm, int vcpuid);
235
236 /*
237 * Return true if device indicated by bus/slot/func is supposed to be a
238 * pci passthrough device.
239 *
240 * Return false otherwise.
241 */
242 bool vmm_is_pptdev(int bus, int slot, int func);
243
244 void *vm_iommu_domain(struct vm *vm);
245
246 enum vcpu_state {
247 VCPU_IDLE,
248 VCPU_FROZEN,
249 VCPU_RUNNING,
250 VCPU_SLEEPING,
251 };
252
253 int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state,
254 bool from_idle);
255 enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu);
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47
48 #include <sys/sdt.h>
49 #include <x86/segments.h>
50
51 SDT_PROVIDER_DECLARE(vmm);
52
53 struct vm;
54 struct vm_exception;
55 struct seg_desc;
56 struct vm_exit;
57 struct vie;
58 struct vm_run;
59 struct vhpet;
60 struct vioapic;
61 struct vlapic;
62 struct vmspace;
63 struct vm_object;
64 struct vm_guest_paging;
65 struct pmap;
66
67 typedef int (*vmm_init_func_t)(int ipinum);
68 typedef int (*vmm_cleanup_func_t)(void);
69 typedef void (*vmm_resume_func_t)(void);
70 typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap);
71 typedef int (*vmi_run_func_t)(void *vmi, int vcpu, uint64_t rip,
72 struct pmap *pmap);
73 typedef void (*vmi_cleanup_func_t)(void *vmi);
74 typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num,
75 uint64_t *retval);
76 typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num,
77 uint64_t val);
78 typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num,
79 struct seg_desc *desc);
80 typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num,
81 const struct seg_desc *desc);
82 typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval);
83 typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val);
84 typedef struct vmspace *(*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max);
85 typedef void (*vmi_vmspace_free)(struct vmspace *vmspace);
86 typedef struct vlapic *(*vmi_vlapic_init)(void *vmi, int vcpu);
87 typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic);
88 #ifndef __FreeBSD__
89 typedef void (*vmi_savectx)(void *vmi, int vcpu);
90 typedef void (*vmi_restorectx)(void *vmi, int vcpu);
91 #endif
92
93 struct vmm_ops {
94 vmm_init_func_t init; /* module wide initialization */
95 vmm_cleanup_func_t cleanup;
96 vmm_resume_func_t resume;
97
98 vmi_init_func_t vminit; /* vm-specific initialization */
99 vmi_run_func_t vmrun;
100 vmi_cleanup_func_t vmcleanup;
101 vmi_get_register_t vmgetreg;
148 /*
149 * APIs that inspect the guest memory map require only a *single* vcpu to
150 * be frozen. This acts like a read lock on the guest memory map since any
151 * modification requires *all* vcpus to be frozen.
152 */
153 int vm_mmap_getnext(struct vm *vm, vm_paddr_t *gpa, int *segid,
154 vm_ooffset_t *segoff, size_t *len, int *prot, int *flags);
155 int vm_get_memseg(struct vm *vm, int ident, size_t *len, bool *sysmem,
156 struct vm_object **objptr);
157 vm_paddr_t vmm_sysmem_maxaddr(struct vm *vm);
158 void *vm_gpa_hold(struct vm *, int vcpuid, vm_paddr_t gpa, size_t len,
159 int prot, void **cookie);
160 void vm_gpa_release(void *cookie);
161 bool vm_mem_allocated(struct vm *vm, int vcpuid, vm_paddr_t gpa);
162
163 int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval);
164 int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val);
165 int vm_get_seg_desc(struct vm *vm, int vcpu, int reg,
166 struct seg_desc *ret_desc);
167 int vm_set_seg_desc(struct vm *vm, int vcpu, int reg,
168 const struct seg_desc *desc);
169 int vm_get_run_state(struct vm *vm, int vcpuid, uint32_t *state,
170 uint8_t *sipi_vec);
171 int vm_set_run_state(struct vm *vm, int vcpuid, uint32_t state,
172 uint8_t sipi_vec);
173 int vm_run(struct vm *vm, int vcpuid, const struct vm_entry *);
174 int vm_suspend(struct vm *vm, enum vm_suspend_how how);
175 int vm_inject_nmi(struct vm *vm, int vcpu);
176 int vm_nmi_pending(struct vm *vm, int vcpuid);
177 void vm_nmi_clear(struct vm *vm, int vcpuid);
178 int vm_inject_extint(struct vm *vm, int vcpu);
179 int vm_extint_pending(struct vm *vm, int vcpuid);
180 void vm_extint_clear(struct vm *vm, int vcpuid);
181 int vm_inject_init(struct vm *vm, int vcpuid);
182 int vm_inject_sipi(struct vm *vm, int vcpuid, uint8_t vec);
183 struct vlapic *vm_lapic(struct vm *vm, int cpu);
184 struct vioapic *vm_ioapic(struct vm *vm);
185 struct vhpet *vm_hpet(struct vm *vm);
186 int vm_get_capability(struct vm *vm, int vcpu, int type, int *val);
187 int vm_set_capability(struct vm *vm, int vcpu, int type, int val);
188 int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state);
189 int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state);
190 int vm_apicid2vcpuid(struct vm *vm, int apicid);
191 int vm_activate_cpu(struct vm *vm, int vcpu);
192 int vm_suspend_cpu(struct vm *vm, int vcpu);
193 int vm_resume_cpu(struct vm *vm, int vcpu);
194 struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid);
195 struct vie *vm_vie_ctx(struct vm *vm, int vcpuid);
196 void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip);
197 void vm_exit_debug(struct vm *vm, int vcpuid, uint64_t rip);
198 void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip);
199 void vm_exit_reqidle(struct vm *vm, int vcpuid, uint64_t rip);
200 void vm_exit_run_state(struct vm *vm, int vcpuid, uint64_t rip);
201 int vm_service_mmio_read(struct vm *vm, int cpuid, uint64_t gpa, uint64_t *rval,
202 int rsize);
203 int vm_service_mmio_write(struct vm *vm, int cpuid, uint64_t gpa, uint64_t wval,
204 int wsize);
205
206 #ifdef _SYS__CPUSET_H_
207 cpuset_t vm_active_cpus(struct vm *vm);
208 cpuset_t vm_debug_cpus(struct vm *vm);
209 cpuset_t vm_suspended_cpus(struct vm *vm);
210 #endif /* _SYS__CPUSET_H_ */
211
212 bool vcpu_entry_bailout_checks(struct vm *vm, int vcpuid, uint64_t rip);
213 bool vcpu_run_state_pending(struct vm *vm, int vcpuid);
214 int vcpu_arch_reset(struct vm *vm, int vcpuid, bool init_only);
215
216 /*
217 * Return true if device indicated by bus/slot/func is supposed to be a
218 * pci passthrough device.
219 *
220 * Return false otherwise.
221 */
222 bool vmm_is_pptdev(int bus, int slot, int func);
223
224 void *vm_iommu_domain(struct vm *vm);
225
226 enum vcpu_state {
227 VCPU_IDLE,
228 VCPU_FROZEN,
229 VCPU_RUNNING,
230 VCPU_SLEEPING,
231 };
232
233 int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state,
234 bool from_idle);
235 enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu);
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