vmm.h revision 270438
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: head/sys/amd64/include/vmm.h 270438 2014-08-24 02:07:34Z grehan $
27 */
28
29#ifndef _VMM_H_
30#define	_VMM_H_
31
32#include <x86/segments.h>
33
34enum 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 */
46enum 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_LAST
86};
87
88enum x2apic_state {
89	X2APIC_DISABLED,
90	X2APIC_ENABLED,
91	X2APIC_STATE_LAST
92};
93
94#define	VM_INTINFO_VECTOR(info)	((info) & 0xff)
95#define	VM_INTINFO_DEL_ERRCODE	0x800
96#define	VM_INTINFO_RSVD		0x7ffff000
97#define	VM_INTINFO_VALID	0x80000000
98#define	VM_INTINFO_TYPE		0x700
99#define	VM_INTINFO_HWINTR	(0 << 8)
100#define	VM_INTINFO_NMI		(2 << 8)
101#define	VM_INTINFO_HWEXCEPTION	(3 << 8)
102#define	VM_INTINFO_SWINTR	(4 << 8)
103
104#ifdef _KERNEL
105
106#define	VM_MAX_NAMELEN	32
107
108struct vm;
109struct vm_exception;
110struct vm_memory_segment;
111struct seg_desc;
112struct vm_exit;
113struct vm_run;
114struct vhpet;
115struct vioapic;
116struct vlapic;
117struct vmspace;
118struct vm_object;
119struct vm_guest_paging;
120struct pmap;
121
122typedef int	(*vmm_init_func_t)(int ipinum);
123typedef int	(*vmm_cleanup_func_t)(void);
124typedef void	(*vmm_resume_func_t)(void);
125typedef void *	(*vmi_init_func_t)(struct vm *vm, struct pmap *pmap);
126typedef int	(*vmi_run_func_t)(void *vmi, int vcpu, register_t rip,
127				  struct pmap *pmap, void *rendezvous_cookie,
128				  void *suspend_cookie);
129typedef void	(*vmi_cleanup_func_t)(void *vmi);
130typedef int	(*vmi_get_register_t)(void *vmi, int vcpu, int num,
131				      uint64_t *retval);
132typedef int	(*vmi_set_register_t)(void *vmi, int vcpu, int num,
133				      uint64_t val);
134typedef int	(*vmi_get_desc_t)(void *vmi, int vcpu, int num,
135				  struct seg_desc *desc);
136typedef int	(*vmi_set_desc_t)(void *vmi, int vcpu, int num,
137				  struct seg_desc *desc);
138typedef int	(*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval);
139typedef int	(*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val);
140typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max);
141typedef void	(*vmi_vmspace_free)(struct vmspace *vmspace);
142typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu);
143typedef void	(*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic);
144
145struct vmm_ops {
146	vmm_init_func_t		init;		/* module wide initialization */
147	vmm_cleanup_func_t	cleanup;
148	vmm_resume_func_t	resume;
149
150	vmi_init_func_t		vminit;		/* vm-specific initialization */
151	vmi_run_func_t		vmrun;
152	vmi_cleanup_func_t	vmcleanup;
153	vmi_get_register_t	vmgetreg;
154	vmi_set_register_t	vmsetreg;
155	vmi_get_desc_t		vmgetdesc;
156	vmi_set_desc_t		vmsetdesc;
157	vmi_get_cap_t		vmgetcap;
158	vmi_set_cap_t		vmsetcap;
159	vmi_vmspace_alloc	vmspace_alloc;
160	vmi_vmspace_free	vmspace_free;
161	vmi_vlapic_init		vlapic_init;
162	vmi_vlapic_cleanup	vlapic_cleanup;
163};
164
165extern struct vmm_ops vmm_ops_intel;
166extern struct vmm_ops vmm_ops_amd;
167
168int vm_create(const char *name, struct vm **retvm);
169void vm_destroy(struct vm *vm);
170int vm_reinit(struct vm *vm);
171const char *vm_name(struct vm *vm);
172int vm_malloc(struct vm *vm, vm_paddr_t gpa, size_t len);
173int vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
174int vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len);
175void *vm_gpa_hold(struct vm *, vm_paddr_t gpa, size_t len, int prot,
176		  void **cookie);
177void vm_gpa_release(void *cookie);
178int vm_gpabase2memseg(struct vm *vm, vm_paddr_t gpabase,
179	      struct vm_memory_segment *seg);
180int vm_get_memobj(struct vm *vm, vm_paddr_t gpa, size_t len,
181		  vm_offset_t *offset, struct vm_object **object);
182boolean_t vm_mem_allocated(struct vm *vm, vm_paddr_t gpa);
183int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval);
184int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val);
185int vm_get_seg_desc(struct vm *vm, int vcpu, int reg,
186		    struct seg_desc *ret_desc);
187int vm_set_seg_desc(struct vm *vm, int vcpu, int reg,
188		    struct seg_desc *desc);
189int vm_run(struct vm *vm, struct vm_run *vmrun);
190int vm_suspend(struct vm *vm, enum vm_suspend_how how);
191int vm_inject_nmi(struct vm *vm, int vcpu);
192int vm_nmi_pending(struct vm *vm, int vcpuid);
193void vm_nmi_clear(struct vm *vm, int vcpuid);
194int vm_inject_extint(struct vm *vm, int vcpu);
195int vm_extint_pending(struct vm *vm, int vcpuid);
196void vm_extint_clear(struct vm *vm, int vcpuid);
197uint64_t *vm_guest_msrs(struct vm *vm, int cpu);
198struct vlapic *vm_lapic(struct vm *vm, int cpu);
199struct vioapic *vm_ioapic(struct vm *vm);
200struct vhpet *vm_hpet(struct vm *vm);
201int vm_get_capability(struct vm *vm, int vcpu, int type, int *val);
202int vm_set_capability(struct vm *vm, int vcpu, int type, int val);
203int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state);
204int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state);
205int vm_apicid2vcpuid(struct vm *vm, int apicid);
206int vm_activate_cpu(struct vm *vm, int vcpu);
207cpuset_t vm_active_cpus(struct vm *vm);
208cpuset_t vm_suspended_cpus(struct vm *vm);
209struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid);
210void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip);
211void vm_exit_rendezvous(struct vm *vm, int vcpuid, uint64_t rip);
212void 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 */
228typedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg);
229void vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest,
230    vm_rendezvous_func_t func, void *arg);
231
232static __inline int
233vcpu_rendezvous_pending(void *rendezvous_cookie)
234{
235
236	return (*(uintptr_t *)rendezvous_cookie != 0);
237}
238
239static __inline int
240vcpu_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 */
252int vmm_is_pptdev(int bus, int slot, int func);
253
254void *vm_iommu_domain(struct vm *vm);
255
256enum vcpu_state {
257	VCPU_IDLE,
258	VCPU_FROZEN,
259	VCPU_RUNNING,
260	VCPU_SLEEPING,
261};
262
263int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state,
264    bool from_idle);
265enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu);
266
267static int __inline
268vcpu_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_
274static int __inline
275vcpu_should_yield(struct vm *vm, int vcpu)
276{
277	return (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED));
278}
279#endif
280
281void *vcpu_stats(struct vm *vm, int vcpu);
282void vcpu_notify_event(struct vm *vm, int vcpuid, bool lapic_intr);
283struct vmspace *vm_get_vmspace(struct vm *vm);
284int vm_assign_pptdev(struct vm *vm, int bus, int slot, int func);
285int vm_unassign_pptdev(struct vm *vm, int bus, int slot, int func);
286struct vatpic *vm_atpic(struct vm *vm);
287struct vatpit *vm_atpit(struct vm *vm);
288
289/*
290 * Inject exception 'vme' into the guest vcpu. This function returns 0 on
291 * success and non-zero on failure.
292 *
293 * Wrapper functions like 'vm_inject_gp()' should be preferred to calling
294 * this function directly because they enforce the trap-like or fault-like
295 * behavior of an exception.
296 *
297 * This function should only be called in the context of the thread that is
298 * executing this vcpu.
299 */
300int vm_inject_exception(struct vm *vm, int vcpuid, struct vm_exception *vme);
301
302/*
303 * This function is called after a VM-exit that occurred during exception or
304 * interrupt delivery through the IDT. The format of 'intinfo' is described
305 * in Figure 15-1, "EXITINTINFO for All Intercepts", APM, Vol 2.
306 *
307 * If a VM-exit handler completes the event delivery successfully then it
308 * should call vm_exit_intinfo() to extinguish the pending event. For e.g.,
309 * if the task switch emulation is triggered via a task gate then it should
310 * call this function with 'intinfo=0' to indicate that the external event
311 * is not pending anymore.
312 *
313 * Return value is 0 on success and non-zero on failure.
314 */
315int vm_exit_intinfo(struct vm *vm, int vcpuid, uint64_t intinfo);
316
317/*
318 * This function is called before every VM-entry to retrieve a pending
319 * event that should be injected into the guest. This function combines
320 * nested events into a double or triple fault.
321 *
322 * Returns 0 if there are no events that need to be injected into the guest
323 * and non-zero otherwise.
324 */
325int vm_entry_intinfo(struct vm *vm, int vcpuid, uint64_t *info);
326
327int vm_get_intinfo(struct vm *vm, int vcpuid, uint64_t *info1, uint64_t *info2);
328
329enum vm_reg_name vm_segment_name(int seg_encoding);
330
331struct vm_copyinfo {
332	uint64_t	gpa;
333	size_t		len;
334	void		*hva;
335	void		*cookie;
336};
337
338/*
339 * Set up 'copyinfo[]' to copy to/from guest linear address space starting
340 * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for
341 * a copyin or PROT_WRITE for a copyout.
342 *
343 * Returns 0 on success.
344 * Returns 1 if an exception was injected into the guest.
345 * Returns -1 otherwise.
346 *
347 * The 'copyinfo[]' can be passed to 'vm_copyin()' or 'vm_copyout()' only if
348 * the return value is 0. The 'copyinfo[]' resources should be freed by calling
349 * 'vm_copy_teardown()' after the copy is done.
350 */
351int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging,
352    uint64_t gla, size_t len, int prot, struct vm_copyinfo *copyinfo,
353    int num_copyinfo);
354void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo,
355    int num_copyinfo);
356void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo,
357    void *kaddr, size_t len);
358void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr,
359    struct vm_copyinfo *copyinfo, size_t len);
360#endif	/* KERNEL */
361
362#define	VM_MAXCPU	16			/* maximum virtual cpus */
363
364/*
365 * Identifiers for optional vmm capabilities
366 */
367enum vm_cap_type {
368	VM_CAP_HALT_EXIT,
369	VM_CAP_MTRAP_EXIT,
370	VM_CAP_PAUSE_EXIT,
371	VM_CAP_UNRESTRICTED_GUEST,
372	VM_CAP_ENABLE_INVPCID,
373	VM_CAP_MAX
374};
375
376enum vm_intr_trigger {
377	EDGE_TRIGGER,
378	LEVEL_TRIGGER
379};
380
381/*
382 * The 'access' field has the format specified in Table 21-2 of the Intel
383 * Architecture Manual vol 3b.
384 *
385 * XXX The contents of the 'access' field are architecturally defined except
386 * bit 16 - Segment Unusable.
387 */
388struct seg_desc {
389	uint64_t	base;
390	uint32_t	limit;
391	uint32_t	access;
392};
393#define	SEG_DESC_TYPE(access)		((access) & 0x001f)
394#define	SEG_DESC_DPL(access)		(((access) >> 5) & 0x3)
395#define	SEG_DESC_PRESENT(access)	(((access) & 0x0080) ? 1 : 0)
396#define	SEG_DESC_DEF32(access)		(((access) & 0x4000) ? 1 : 0)
397#define	SEG_DESC_GRANULARITY(access)	(((access) & 0x8000) ? 1 : 0)
398#define	SEG_DESC_UNUSABLE(access)	(((access) & 0x10000) ? 1 : 0)
399
400enum vm_cpu_mode {
401	CPU_MODE_REAL,
402	CPU_MODE_PROTECTED,
403	CPU_MODE_COMPATIBILITY,		/* IA-32E mode (CS.L = 0) */
404	CPU_MODE_64BIT,			/* IA-32E mode (CS.L = 1) */
405};
406
407enum vm_paging_mode {
408	PAGING_MODE_FLAT,
409	PAGING_MODE_32,
410	PAGING_MODE_PAE,
411	PAGING_MODE_64,
412};
413
414struct vm_guest_paging {
415	uint64_t	cr3;
416	int		cpl;
417	enum vm_cpu_mode cpu_mode;
418	enum vm_paging_mode paging_mode;
419};
420
421/*
422 * The data structures 'vie' and 'vie_op' are meant to be opaque to the
423 * consumers of instruction decoding. The only reason why their contents
424 * need to be exposed is because they are part of the 'vm_exit' structure.
425 */
426struct vie_op {
427	uint8_t		op_byte;	/* actual opcode byte */
428	uint8_t		op_type;	/* type of operation (e.g. MOV) */
429	uint16_t	op_flags;
430};
431
432#define	VIE_INST_SIZE	15
433struct vie {
434	uint8_t		inst[VIE_INST_SIZE];	/* instruction bytes */
435	uint8_t		num_valid;		/* size of the instruction */
436	uint8_t		num_processed;
437
438	uint8_t		addrsize:4, opsize:4;	/* address and operand sizes */
439	uint8_t		rex_w:1,		/* REX prefix */
440			rex_r:1,
441			rex_x:1,
442			rex_b:1,
443			rex_present:1,
444			opsize_override:1,	/* Operand size override */
445			addrsize_override:1;	/* Address size override */
446
447	uint8_t		mod:2,			/* ModRM byte */
448			reg:4,
449			rm:4;
450
451	uint8_t		ss:2,			/* SIB byte */
452			index:4,
453			base:4;
454
455	uint8_t		disp_bytes;
456	uint8_t		imm_bytes;
457
458	uint8_t		scale;
459	int		base_register;		/* VM_REG_GUEST_xyz */
460	int		index_register;		/* VM_REG_GUEST_xyz */
461
462	int64_t		displacement;		/* optional addr displacement */
463	int64_t		immediate;		/* optional immediate operand */
464
465	uint8_t		decoded;	/* set to 1 if successfully decoded */
466
467	struct vie_op	op;			/* opcode description */
468};
469
470enum vm_exitcode {
471	VM_EXITCODE_INOUT,
472	VM_EXITCODE_VMX,
473	VM_EXITCODE_BOGUS,
474	VM_EXITCODE_RDMSR,
475	VM_EXITCODE_WRMSR,
476	VM_EXITCODE_HLT,
477	VM_EXITCODE_MTRAP,
478	VM_EXITCODE_PAUSE,
479	VM_EXITCODE_PAGING,
480	VM_EXITCODE_INST_EMUL,
481	VM_EXITCODE_SPINUP_AP,
482	VM_EXITCODE_DEPRECATED1,	/* used to be SPINDOWN_CPU */
483	VM_EXITCODE_RENDEZVOUS,
484	VM_EXITCODE_IOAPIC_EOI,
485	VM_EXITCODE_SUSPENDED,
486	VM_EXITCODE_INOUT_STR,
487	VM_EXITCODE_TASK_SWITCH,
488	VM_EXITCODE_MAX
489};
490
491struct vm_inout {
492	uint16_t	bytes:3;	/* 1 or 2 or 4 */
493	uint16_t	in:1;
494	uint16_t	string:1;
495	uint16_t	rep:1;
496	uint16_t	port;
497	uint32_t	eax;		/* valid for out */
498};
499
500struct vm_inout_str {
501	struct vm_inout	inout;		/* must be the first element */
502	struct vm_guest_paging paging;
503	uint64_t	rflags;
504	uint64_t	cr0;
505	uint64_t	index;
506	uint64_t	count;		/* rep=1 (%rcx), rep=0 (1) */
507	int		addrsize;
508	enum vm_reg_name seg_name;
509	struct seg_desc seg_desc;
510};
511
512enum task_switch_reason {
513	TSR_CALL,
514	TSR_IRET,
515	TSR_JMP,
516	TSR_IDT_GATE,	/* task gate in IDT */
517};
518
519struct vm_task_switch {
520	uint16_t	tsssel;		/* new TSS selector */
521	int		ext;		/* task switch due to external event */
522	uint32_t	errcode;
523	int		errcode_valid;	/* push 'errcode' on the new stack */
524	enum task_switch_reason reason;
525	struct vm_guest_paging paging;
526};
527
528struct vm_exit {
529	enum vm_exitcode	exitcode;
530	int			inst_length;	/* 0 means unknown */
531	uint64_t		rip;
532	union {
533		struct vm_inout	inout;
534		struct vm_inout_str inout_str;
535		struct {
536			uint64_t	gpa;
537			int		fault_type;
538		} paging;
539		struct {
540			uint64_t	gpa;
541			uint64_t	gla;
542			int		cs_d;		/* CS.D */
543			struct vm_guest_paging paging;
544			struct vie	vie;
545		} inst_emul;
546		/*
547		 * VMX specific payload. Used when there is no "better"
548		 * exitcode to represent the VM-exit.
549		 */
550		struct {
551			int		status;		/* vmx inst status */
552			/*
553			 * 'exit_reason' and 'exit_qualification' are valid
554			 * only if 'status' is zero.
555			 */
556			uint32_t	exit_reason;
557			uint64_t	exit_qualification;
558			/*
559			 * 'inst_error' and 'inst_type' are valid
560			 * only if 'status' is non-zero.
561			 */
562			int		inst_type;
563			int		inst_error;
564		} vmx;
565		struct {
566			uint32_t	code;		/* ecx value */
567			uint64_t	wval;
568		} msr;
569		struct {
570			int		vcpu;
571			uint64_t	rip;
572		} spinup_ap;
573		struct {
574			uint64_t	rflags;
575		} hlt;
576		struct {
577			int		vector;
578		} ioapic_eoi;
579		struct {
580			enum vm_suspend_how how;
581		} suspended;
582		struct vm_task_switch task_switch;
583	} u;
584};
585
586/* APIs to inject faults into the guest */
587void vm_inject_fault(void *vm, int vcpuid, int vector, int errcode_valid,
588    int errcode);
589
590static __inline void
591vm_inject_ud(void *vm, int vcpuid)
592{
593	vm_inject_fault(vm, vcpuid, IDT_UD, 0, 0);
594}
595
596static __inline void
597vm_inject_gp(void *vm, int vcpuid)
598{
599	vm_inject_fault(vm, vcpuid, IDT_GP, 1, 0);
600}
601
602static __inline void
603vm_inject_ac(void *vm, int vcpuid, int errcode)
604{
605	vm_inject_fault(vm, vcpuid, IDT_AC, 1, errcode);
606}
607
608static __inline void
609vm_inject_ss(void *vm, int vcpuid, int errcode)
610{
611	vm_inject_fault(vm, vcpuid, IDT_SS, 1, errcode);
612}
613
614void vm_inject_pf(void *vm, int vcpuid, int error_code, uint64_t cr2);
615
616#endif	/* _VMM_H_ */
617