1 /*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _VMM_H_
30 #define _VMM_H_
31
32 #include <x86/segments.h>
33
34 enum vm_suspend_how {
35 VM_SUSPEND_NONE,
36 VM_SUSPEND_RESET,
37 VM_SUSPEND_POWEROFF,
38 VM_SUSPEND_HALT,
39 VM_SUSPEND_TRIPLEFAULT,
40 VM_SUSPEND_LAST
41 };
42
43 /*
44 * Identifiers for architecturally defined registers.
45 */
46 enum vm_reg_name {
47 VM_REG_GUEST_RAX,
48 VM_REG_GUEST_RBX,
49 VM_REG_GUEST_RCX,
50 VM_REG_GUEST_RDX,
51 VM_REG_GUEST_RSI,
52 VM_REG_GUEST_RDI,
53 VM_REG_GUEST_RBP,
54 VM_REG_GUEST_R8,
55 VM_REG_GUEST_R9,
56 VM_REG_GUEST_R10,
57 VM_REG_GUEST_R11,
58 VM_REG_GUEST_R12,
59 VM_REG_GUEST_R13,
60 VM_REG_GUEST_R14,
61 VM_REG_GUEST_R15,
62 VM_REG_GUEST_CR0,
63 VM_REG_GUEST_CR3,
64 VM_REG_GUEST_CR4,
65 VM_REG_GUEST_DR7,
66 VM_REG_GUEST_RSP,
67 VM_REG_GUEST_RIP,
68 VM_REG_GUEST_RFLAGS,
69 VM_REG_GUEST_ES,
70 VM_REG_GUEST_CS,
71 VM_REG_GUEST_SS,
72 VM_REG_GUEST_DS,
73 VM_REG_GUEST_FS,
74 VM_REG_GUEST_GS,
75 VM_REG_GUEST_LDTR,
76 VM_REG_GUEST_TR,
77 VM_REG_GUEST_IDTR,
78 VM_REG_GUEST_GDTR,
79 VM_REG_GUEST_EFER,
80 VM_REG_GUEST_CR2,
81 VM_REG_GUEST_PDPTE0,
82 VM_REG_GUEST_PDPTE1,
83 VM_REG_GUEST_PDPTE2,
84 VM_REG_GUEST_PDPTE3,
85 VM_REG_GUEST_INTR_SHADOW,
86 VM_REG_LAST
87 };
88
89 enum x2apic_state {
90 X2APIC_DISABLED,
91 X2APIC_ENABLED,
92 X2APIC_STATE_LAST
93 };
94
95 #define VM_INTINFO_VECTOR(info) ((info) & 0xff)
96 #define VM_INTINFO_DEL_ERRCODE 0x800
97 #define VM_INTINFO_RSVD 0x7ffff000
98 #define VM_INTINFO_VALID 0x80000000
99 #define VM_INTINFO_TYPE 0x700
100 #define VM_INTINFO_HWINTR (0 << 8)
101 #define VM_INTINFO_NMI (2 << 8)
102 #define VM_INTINFO_HWEXCEPTION (3 << 8)
103 #define VM_INTINFO_SWINTR (4 << 8)
104
105 #ifdef _KERNEL
106
107 #define VM_MAX_NAMELEN 32
108
109 struct vm;
110 struct vm_exception;
111 struct vm_memory_segment;
112 struct seg_desc;
113 struct vm_exit;
114 struct vm_run;
115 struct vhpet;
116 struct vioapic;
117 struct vlapic;
118 struct vmspace;
119 struct vm_object;
120 struct vm_guest_paging;
121 struct pmap;
122
123 typedef int (*vmm_init_func_t)(int ipinum);
124 typedef int (*vmm_cleanup_func_t)(void);
125 typedef void (*vmm_resume_func_t)(void);
126 typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap);
127 typedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip,
128 struct pmap *pmap, void *rendezvous_cookie,
129 void *suspend_cookie);
130 typedef void (*vmi_cleanup_func_t)(void *vmi);
131 typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num,
132 uint64_t *retval);
133 typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num,
134 uint64_t val);
135 typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num,
136 struct seg_desc *desc);
137 typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num,
138 struct seg_desc *desc);
139 typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval);
140 typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val);
141 typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max);
142 typedef void (*vmi_vmspace_free)(struct vmspace *vmspace);
143 typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu);
144 typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic);
145
146 struct vmm_ops {
147 vmm_init_func_t init; /* module wide initialization */
148 vmm_cleanup_func_t cleanup;
149 vmm_resume_func_t resume;
150
151 vmi_init_func_t vminit; /* vm-specific initialization */
152 vmi_run_func_t vmrun;
153 vmi_cleanup_func_t vmcleanup;
154 vmi_get_register_t vmgetreg;
155 vmi_set_register_t vmsetreg;
156 vmi_get_desc_t vmgetdesc;
157 vmi_set_desc_t vmsetdesc;
158 vmi_get_cap_t vmgetcap;
159 vmi_set_cap_t vmsetcap;
160 vmi_vmspace_alloc vmspace_alloc;
161 vmi_vmspace_free vmspace_free;
162 vmi_vlapic_init vlapic_init;
163 vmi_vlapic_cleanup vlapic_cleanup;
164 };
165
166 extern struct vmm_ops vmm_ops_intel;
167 extern struct vmm_ops vmm_ops_amd;
168
169 int vm_create(const char *name, struct vm **retvm);
170 void vm_destroy(struct vm *vm);
171 int vm_reinit(struct vm *vm);
172 const char *vm_name(struct vm *vm);
173 int vm_malloc(struct vm *vm, vm_paddr_t gpa, size_t len);
174 int vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
175 int vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len);
176 void *vm_gpa_hold(struct vm *, vm_paddr_t gpa, size_t len, int prot,
177 void **cookie);
178 void vm_gpa_release(void *cookie);
179 int vm_gpabase2memseg(struct vm *vm, vm_paddr_t gpabase,
180 struct vm_memory_segment *seg);
181 int vm_get_memobj(struct vm *vm, vm_paddr_t gpa, size_t len,
182 vm_offset_t *offset, struct vm_object **object);
183 boolean_t vm_mem_allocated(struct vm *vm, vm_paddr_t gpa);
184 int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval);
185 int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val);
186 int vm_get_seg_desc(struct vm *vm, int vcpu, int reg,
187 struct seg_desc *ret_desc);
188 int vm_set_seg_desc(struct vm *vm, int vcpu, int reg,
189 struct seg_desc *desc);
190 int vm_run(struct vm *vm, struct vm_run *vmrun);
191 int vm_suspend(struct vm *vm, enum vm_suspend_how how);
192 int vm_inject_nmi(struct vm *vm, int vcpu);
193 int vm_nmi_pending(struct vm *vm, int vcpuid);
194 void vm_nmi_clear(struct vm *vm, int vcpuid);
195 int vm_inject_extint(struct vm *vm, int vcpu);
196 int vm_extint_pending(struct vm *vm, int vcpuid);
197 void vm_extint_clear(struct vm *vm, int vcpuid);
198 struct vlapic *vm_lapic(struct vm *vm, int cpu);
199 struct vioapic *vm_ioapic(struct vm *vm);
200 struct vhpet *vm_hpet(struct vm *vm);
201 int vm_get_capability(struct vm *vm, int vcpu, int type, int *val);
202 int vm_set_capability(struct vm *vm, int vcpu, int type, int val);
203 int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state);
204 int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state);
205 int vm_apicid2vcpuid(struct vm *vm, int apicid);
206 int vm_activate_cpu(struct vm *vm, int vcpu);
207 cpuset_t vm_active_cpus(struct vm *vm);
208 cpuset_t vm_suspended_cpus(struct vm *vm);
209 struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid);
210 void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip);
211 void vm_exit_rendezvous(struct vm *vm, int vcpuid, uint64_t rip);
212 void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip);
213
214 /*
215 * Rendezvous all vcpus specified in 'dest' and execute 'func(arg)'.
216 * The rendezvous 'func(arg)' is not allowed to do anything that will
217 * cause the thread to be put to sleep.
218 *
219 * If the rendezvous is being initiated from a vcpu context then the
220 * 'vcpuid' must refer to that vcpu, otherwise it should be set to -1.
221 *
222 * The caller cannot hold any locks when initiating the rendezvous.
223 *
224 * The implementation of this API may cause vcpus other than those specified
225 * by 'dest' to be stalled. The caller should not rely on any vcpus making
226 * forward progress when the rendezvous is in progress.
227 */
228 typedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg);
229 void vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest,
230 vm_rendezvous_func_t func, void *arg);
231
232 static __inline int
vcpu_rendezvous_pending(void * rendezvous_cookie)233 vcpu_rendezvous_pending(void *rendezvous_cookie)
234 {
235
236 return (*(uintptr_t *)rendezvous_cookie != 0);
237 }
238
239 static __inline int
vcpu_suspended(void * suspend_cookie)240 vcpu_suspended(void *suspend_cookie)
241 {
242
243 return (*(int *)suspend_cookie);
244 }
245
246 /*
247 * Return 1 if device indicated by bus/slot/func is supposed to be a
248 * pci passthrough device.
249 *
250 * Return 0 otherwise.
251 */
252 int vmm_is_pptdev(int bus, int slot, int func);
253
254 void *vm_iommu_domain(struct vm *vm);
255
256 enum vcpu_state {
257 VCPU_IDLE,
258 VCPU_FROZEN,
259 VCPU_RUNNING,
260 VCPU_SLEEPING,
261 };
262
263 int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state,
264 bool from_idle);
265 enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu);
266
267 static int __inline
vcpu_is_running(struct vm * vm,int vcpu,int * hostcpu)268 vcpu_is_running(struct vm *vm, int vcpu, int *hostcpu)
269 {
270 return (vcpu_get_state(vm, vcpu, hostcpu) == VCPU_RUNNING);
271 }
272
273 #ifdef _SYS_PROC_H_
274 static int __inline
vcpu_should_yield(struct vm * vm,int vcpu)275 vcpu_should_yield(struct vm *vm, int vcpu)
276 {
277 return (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED));
278 }
279 #endif
280
281 void *vcpu_stats(struct vm *vm, int vcpu);
282 void vcpu_notify_event(struct vm *vm, int vcpuid, bool lapic_intr);
283 struct vmspace *vm_get_vmspace(struct vm *vm);
284 int vm_assign_pptdev(struct vm *vm, int bus, int slot, int func);
285 int vm_unassign_pptdev(struct vm *vm, int bus, int slot, int func);
286 struct vatpic *vm_atpic(struct vm *vm);
287 struct vatpit *vm_atpit(struct vm *vm);
288 struct vpmtmr *vm_pmtmr(struct vm *vm);
289
290 /*
291 * Inject exception 'vme' into the guest vcpu. This function returns 0 on
292 * success and non-zero on failure.
293 *
294 * Wrapper functions like 'vm_inject_gp()' should be preferred to calling
295 * this function directly because they enforce the trap-like or fault-like
296 * behavior of an exception.
297 *
298 * This function should only be called in the context of the thread that is
299 * executing this vcpu.
300 */
301 int vm_inject_exception(struct vm *vm, int vcpuid, struct vm_exception *vme);
302
303 /*
304 * This function is called after a VM-exit that occurred during exception or
305 * interrupt delivery through the IDT. The format of 'intinfo' is described
306 * in Figure 15-1, "EXITINTINFO for All Intercepts", APM, Vol 2.
307 *
308 * If a VM-exit handler completes the event delivery successfully then it
309 * should call vm_exit_intinfo() to extinguish the pending event. For e.g.,
310 * if the task switch emulation is triggered via a task gate then it should
311 * call this function with 'intinfo=0' to indicate that the external event
312 * is not pending anymore.
313 *
314 * Return value is 0 on success and non-zero on failure.
315 */
316 int vm_exit_intinfo(struct vm *vm, int vcpuid, uint64_t intinfo);
317
318 /*
319 * This function is called before every VM-entry to retrieve a pending
320 * event that should be injected into the guest. This function combines
321 * nested events into a double or triple fault.
322 *
323 * Returns 0 if there are no events that need to be injected into the guest
324 * and non-zero otherwise.
325 */
326 int vm_entry_intinfo(struct vm *vm, int vcpuid, uint64_t *info);
327
328 int vm_get_intinfo(struct vm *vm, int vcpuid, uint64_t *info1, uint64_t *info2);
329
330 enum vm_reg_name vm_segment_name(int seg_encoding);
331
332 struct vm_copyinfo {
333 uint64_t gpa;
334 size_t len;
335 void *hva;
336 void *cookie;
337 };
338
339 /*
340 * Set up 'copyinfo[]' to copy to/from guest linear address space starting
341 * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for
342 * a copyin or PROT_WRITE for a copyout.
343 *
344 * Returns 0 on success.
345 * Returns 1 if an exception was injected into the guest.
346 * Returns -1 otherwise.
347 *
348 * The 'copyinfo[]' can be passed to 'vm_copyin()' or 'vm_copyout()' only if
349 * the return value is 0. The 'copyinfo[]' resources should be freed by calling
350 * 'vm_copy_teardown()' after the copy is done.
351 */
352 int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging,
353 uint64_t gla, size_t len, int prot, struct vm_copyinfo *copyinfo,
354 int num_copyinfo);
355 void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo,
356 int num_copyinfo);
357 void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo,
358 void *kaddr, size_t len);
359 void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr,
360 struct vm_copyinfo *copyinfo, size_t len);
361
362 int vcpu_trace_exceptions(struct vm *vm, int vcpuid);
363 #endif /* KERNEL */
364
365 #define VM_MAXCPU 16 /* maximum virtual cpus */
366
367 /*
368 * Identifiers for optional vmm capabilities
369 */
370 enum vm_cap_type {
371 VM_CAP_HALT_EXIT,
372 VM_CAP_MTRAP_EXIT,
373 VM_CAP_PAUSE_EXIT,
374 VM_CAP_UNRESTRICTED_GUEST,
375 VM_CAP_ENABLE_INVPCID,
376 VM_CAP_MAX
377 };
378
379 enum vm_intr_trigger {
380 EDGE_TRIGGER,
381 LEVEL_TRIGGER
382 };
383
384 /*
385 * The 'access' field has the format specified in Table 21-2 of the Intel
386 * Architecture Manual vol 3b.
387 *
388 * XXX The contents of the 'access' field are architecturally defined except
389 * bit 16 - Segment Unusable.
390 */
391 struct seg_desc {
392 uint64_t base;
393 uint32_t limit;
394 uint32_t access;
395 };
396 #define SEG_DESC_TYPE(access) ((access) & 0x001f)
397 #define SEG_DESC_DPL(access) (((access) >> 5) & 0x3)
398 #define SEG_DESC_PRESENT(access) (((access) & 0x0080) ? 1 : 0)
399 #define SEG_DESC_DEF32(access) (((access) & 0x4000) ? 1 : 0)
400 #define SEG_DESC_GRANULARITY(access) (((access) & 0x8000) ? 1 : 0)
401 #define SEG_DESC_UNUSABLE(access) (((access) & 0x10000) ? 1 : 0)
402
403 enum vm_cpu_mode {
404 CPU_MODE_REAL,
405 CPU_MODE_PROTECTED,
406 CPU_MODE_COMPATIBILITY, /* IA-32E mode (CS.L = 0) */
407 CPU_MODE_64BIT, /* IA-32E mode (CS.L = 1) */
408 };
409
410 enum vm_paging_mode {
411 PAGING_MODE_FLAT,
412 PAGING_MODE_32,
413 PAGING_MODE_PAE,
414 PAGING_MODE_64,
415 };
416
417 struct vm_guest_paging {
418 uint64_t cr3;
419 int cpl;
420 enum vm_cpu_mode cpu_mode;
421 enum vm_paging_mode paging_mode;
422 };
423
424 /*
425 * The data structures 'vie' and 'vie_op' are meant to be opaque to the
426 * consumers of instruction decoding. The only reason why their contents
427 * need to be exposed is because they are part of the 'vm_exit' structure.
428 */
429 struct vie_op {
430 uint8_t op_byte; /* actual opcode byte */
431 uint8_t op_type; /* type of operation (e.g. MOV) */
432 uint16_t op_flags;
433 };
434
435 #define VIE_INST_SIZE 15
436 struct vie {
437 uint8_t inst[VIE_INST_SIZE]; /* instruction bytes */
438 uint8_t num_valid; /* size of the instruction */
439 uint8_t num_processed;
440
441 uint8_t addrsize:4, opsize:4; /* address and operand sizes */
442 uint8_t rex_w:1, /* REX prefix */
443 rex_r:1,
444 rex_x:1,
445 rex_b:1,
446 rex_present:1,
447 opsize_override:1, /* Operand size override */
448 addrsize_override:1; /* Address size override */
449
450 uint8_t mod:2, /* ModRM byte */
451 reg:4,
452 rm:4;
453
454 uint8_t ss:2, /* SIB byte */
455 index:4,
456 base:4;
457
458 uint8_t disp_bytes;
459 uint8_t imm_bytes;
460
461 uint8_t scale;
462 int base_register; /* VM_REG_GUEST_xyz */
463 int index_register; /* VM_REG_GUEST_xyz */
464
465 int64_t displacement; /* optional addr displacement */
466 int64_t immediate; /* optional immediate operand */
467
468 uint8_t decoded; /* set to 1 if successfully decoded */
469
470 struct vie_op op; /* opcode description */
471 };
472
473 enum vm_exitcode {
474 VM_EXITCODE_INOUT,
475 VM_EXITCODE_VMX,
476 VM_EXITCODE_BOGUS,
477 VM_EXITCODE_RDMSR,
478 VM_EXITCODE_WRMSR,
479 VM_EXITCODE_HLT,
480 VM_EXITCODE_MTRAP,
481 VM_EXITCODE_PAUSE,
482 VM_EXITCODE_PAGING,
483 VM_EXITCODE_INST_EMUL,
484 VM_EXITCODE_SPINUP_AP,
485 VM_EXITCODE_DEPRECATED1, /* used to be SPINDOWN_CPU */
486 VM_EXITCODE_RENDEZVOUS,
487 VM_EXITCODE_IOAPIC_EOI,
488 VM_EXITCODE_SUSPENDED,
489 VM_EXITCODE_INOUT_STR,
490 VM_EXITCODE_TASK_SWITCH,
491 VM_EXITCODE_MONITOR,
492 VM_EXITCODE_MWAIT,
493 VM_EXITCODE_SVM,
494 VM_EXITCODE_MAX
495 };
496
497 struct vm_inout {
498 uint16_t bytes:3; /* 1 or 2 or 4 */
499 uint16_t in:1;
500 uint16_t string:1;
501 uint16_t rep:1;
502 uint16_t port;
503 uint32_t eax; /* valid for out */
504 };
505
506 struct vm_inout_str {
507 struct vm_inout inout; /* must be the first element */
508 struct vm_guest_paging paging;
509 uint64_t rflags;
510 uint64_t cr0;
511 uint64_t index;
512 uint64_t count; /* rep=1 (%rcx), rep=0 (1) */
513 int addrsize;
514 enum vm_reg_name seg_name;
515 struct seg_desc seg_desc;
516 };
517
518 enum task_switch_reason {
519 TSR_CALL,
520 TSR_IRET,
521 TSR_JMP,
522 TSR_IDT_GATE, /* task gate in IDT */
523 };
524
525 struct vm_task_switch {
526 uint16_t tsssel; /* new TSS selector */
527 int ext; /* task switch due to external event */
528 uint32_t errcode;
529 int errcode_valid; /* push 'errcode' on the new stack */
530 enum task_switch_reason reason;
531 struct vm_guest_paging paging;
532 };
533
534 struct vm_exit {
535 enum vm_exitcode exitcode;
536 int inst_length; /* 0 means unknown */
537 uint64_t rip;
538 union {
539 struct vm_inout inout;
540 struct vm_inout_str inout_str;
541 struct {
542 uint64_t gpa;
543 int fault_type;
544 } paging;
545 struct {
546 uint64_t gpa;
547 uint64_t gla;
548 int cs_d; /* CS.D */
549 struct vm_guest_paging paging;
550 struct vie vie;
551 } inst_emul;
552 /*
553 * VMX specific payload. Used when there is no "better"
554 * exitcode to represent the VM-exit.
555 */
556 struct {
557 int status; /* vmx inst status */
558 /*
559 * 'exit_reason' and 'exit_qualification' are valid
560 * only if 'status' is zero.
561 */
562 uint32_t exit_reason;
563 uint64_t exit_qualification;
564 /*
565 * 'inst_error' and 'inst_type' are valid
566 * only if 'status' is non-zero.
567 */
568 int inst_type;
569 int inst_error;
570 } vmx;
571 /*
572 * SVM specific payload.
573 */
574 struct {
575 uint64_t exitcode;
576 uint64_t exitinfo1;
577 uint64_t exitinfo2;
578 } svm;
579 struct {
580 uint32_t code; /* ecx value */
581 uint64_t wval;
582 } msr;
583 struct {
584 int vcpu;
585 uint64_t rip;
586 } spinup_ap;
587 struct {
588 uint64_t rflags;
589 } hlt;
590 struct {
591 int vector;
592 } ioapic_eoi;
593 struct {
594 enum vm_suspend_how how;
595 } suspended;
596 struct vm_task_switch task_switch;
597 } u;
598 };
599
600 /* APIs to inject faults into the guest */
601 void vm_inject_fault(void *vm, int vcpuid, int vector, int errcode_valid,
602 int errcode);
603
604 static __inline void
vm_inject_ud(void * vm,int vcpuid)605 vm_inject_ud(void *vm, int vcpuid)
606 {
607 vm_inject_fault(vm, vcpuid, IDT_UD, 0, 0);
608 }
609
610 static __inline void
vm_inject_gp(void * vm,int vcpuid)611 vm_inject_gp(void *vm, int vcpuid)
612 {
613 vm_inject_fault(vm, vcpuid, IDT_GP, 1, 0);
614 }
615
616 static __inline void
vm_inject_ac(void * vm,int vcpuid,int errcode)617 vm_inject_ac(void *vm, int vcpuid, int errcode)
618 {
619 vm_inject_fault(vm, vcpuid, IDT_AC, 1, errcode);
620 }
621
622 static __inline void
vm_inject_ss(void * vm,int vcpuid,int errcode)623 vm_inject_ss(void *vm, int vcpuid, int errcode)
624 {
625 vm_inject_fault(vm, vcpuid, IDT_SS, 1, errcode);
626 }
627
628 void vm_inject_pf(void *vm, int vcpuid, int error_code, uint64_t cr2);
629
630 #endif /* _VMM_H_ */
631