vmcs.h revision 240941
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 _VMCS_H_
30#define	_VMCS_H_
31
32#ifdef _KERNEL
33struct vmcs {
34	uint32_t	identifier;
35	uint32_t	abort_code;
36	char		_impl_specific[PAGE_SIZE - sizeof(uint32_t) * 2];
37};
38CTASSERT(sizeof(struct vmcs) == PAGE_SIZE);
39
40/* MSR save region is composed of an array of 'struct msr_entry' */
41struct msr_entry {
42	uint32_t	index;
43	uint32_t	reserved;
44	uint64_t	val;
45
46};
47
48int vmcs_set_msr_save(struct vmcs *vmcs, u_long g_area, u_int g_count);
49int	vmcs_set_defaults(struct vmcs *vmcs, u_long host_rip, u_long host_rsp,
50			  u_long ept_pml4,
51			  uint32_t pinbased_ctls, uint32_t procbased_ctls,
52			  uint32_t procbased_ctls2, uint32_t exit_ctls,
53			  uint32_t entry_ctls, u_long msr_bitmap,
54			  uint16_t vpid);
55int	vmcs_getreg(struct vmcs *vmcs, int ident, uint64_t *retval);
56int	vmcs_setreg(struct vmcs *vmcs, int ident, uint64_t val);
57int	vmcs_getdesc(struct vmcs *vmcs, int ident,
58		     struct seg_desc *desc);
59int	vmcs_setdesc(struct vmcs *vmcs, int ident,
60		     struct seg_desc *desc);
61uint64_t vmcs_read(uint32_t encoding);
62
63#define	vmexit_instruction_length()	vmcs_read(VMCS_EXIT_INSTRUCTION_LENGTH)
64#define	vmcs_guest_rip()		vmcs_read(VMCS_GUEST_RIP)
65#define	vmcs_instruction_error()	vmcs_read(VMCS_INSTRUCTION_ERROR)
66#define	vmcs_exit_reason()		(vmcs_read(VMCS_EXIT_REASON) & 0xffff)
67#define	vmcs_exit_qualification()	vmcs_read(VMCS_EXIT_QUALIFICATION)
68#define	vmcs_guest_cr3()		vmcs_read(VMCS_GUEST_CR3)
69#define	vmcs_gpa()			vmcs_read(VMCS_GUEST_PHYSICAL_ADDRESS)
70
71#endif	/* _KERNEL */
72
73#define	VMCS_INITIAL			0xffffffffffffffff
74
75#define	VMCS_IDENT(encoding)		((encoding) | 0x80000000)
76/*
77 * VMCS field encodings from Appendix H, Intel Architecture Manual Vol3B.
78 */
79#define	VMCS_INVALID_ENCODING		0xffffffff
80
81/* 16-bit control fields */
82#define	VMCS_VPID			0x00000000
83
84/* 16-bit guest-state fields */
85#define	VMCS_GUEST_ES_SELECTOR		0x00000800
86#define	VMCS_GUEST_CS_SELECTOR		0x00000802
87#define	VMCS_GUEST_SS_SELECTOR		0x00000804
88#define	VMCS_GUEST_DS_SELECTOR		0x00000806
89#define	VMCS_GUEST_FS_SELECTOR		0x00000808
90#define	VMCS_GUEST_GS_SELECTOR		0x0000080A
91#define	VMCS_GUEST_LDTR_SELECTOR	0x0000080C
92#define	VMCS_GUEST_TR_SELECTOR		0x0000080E
93
94/* 16-bit host-state fields */
95#define	VMCS_HOST_ES_SELECTOR		0x00000C00
96#define	VMCS_HOST_CS_SELECTOR		0x00000C02
97#define	VMCS_HOST_SS_SELECTOR		0x00000C04
98#define	VMCS_HOST_DS_SELECTOR		0x00000C06
99#define	VMCS_HOST_FS_SELECTOR		0x00000C08
100#define	VMCS_HOST_GS_SELECTOR		0x00000C0A
101#define	VMCS_HOST_TR_SELECTOR		0x00000C0C
102
103/* 64-bit control fields */
104#define	VMCS_IO_BITMAP_A		0x00002000
105#define	VMCS_IO_BITMAP_B		0x00002002
106#define	VMCS_MSR_BITMAP			0x00002004
107#define	VMCS_EXIT_MSR_STORE		0x00002006
108#define	VMCS_EXIT_MSR_LOAD		0x00002008
109#define	VMCS_ENTRY_MSR_LOAD		0x0000200A
110#define	VMCS_EXECUTIVE_VMCS		0x0000200C
111#define	VMCS_TSC_OFFSET			0x00002010
112#define	VMCS_VIRTUAL_APIC		0x00002012
113#define	VMCS_APIC_ACCESS		0x00002014
114#define	VMCS_EPTP			0x0000201A
115
116/* 64-bit read-only fields */
117#define	VMCS_GUEST_PHYSICAL_ADDRESS	0x00002400
118
119/* 64-bit guest-state fields */
120#define	VMCS_LINK_POINTER		0x00002800
121#define	VMCS_GUEST_IA32_DEBUGCTL	0x00002802
122#define	VMCS_GUEST_IA32_PAT		0x00002804
123#define	VMCS_GUEST_IA32_EFER		0x00002806
124#define	VMCS_GUEST_IA32_PERF_GLOBAL_CTRL 0x00002808
125#define	VMCS_GUEST_PDPTE0		0x0000280A
126#define	VMCS_GUEST_PDPTE1		0x0000280C
127#define	VMCS_GUEST_PDPTE2		0x0000280E
128#define	VMCS_GUEST_PDPTE3		0x00002810
129
130/* 64-bit host-state fields */
131#define	VMCS_HOST_IA32_PAT		0x00002C00
132#define	VMCS_HOST_IA32_EFER		0x00002C02
133#define	VMCS_HOST_IA32_PERF_GLOBAL_CTRL	0x00002C04
134
135/* 32-bit control fields */
136#define	VMCS_PIN_BASED_CTLS		0x00004000
137#define	VMCS_PRI_PROC_BASED_CTLS	0x00004002
138#define	VMCS_EXCEPTION_BITMAP		0x00004004
139#define	VMCS_PF_ERROR_MASK		0x00004006
140#define	VMCS_PF_ERROR_MATCH		0x00004008
141#define	VMCS_CR3_TARGET_COUNT		0x0000400A
142#define	VMCS_EXIT_CTLS			0x0000400C
143#define	VMCS_EXIT_MSR_STORE_COUNT	0x0000400E
144#define	VMCS_EXIT_MSR_LOAD_COUNT	0x00004010
145#define	VMCS_ENTRY_CTLS			0x00004012
146#define	VMCS_ENTRY_MSR_LOAD_COUNT	0x00004014
147#define	VMCS_ENTRY_INTR_INFO		0x00004016
148#define	VMCS_ENTRY_EXCEPTION_ERROR	0x00004018
149#define	VMCS_ENTRY_INST_LENGTH		0x0000401A
150#define	VMCS_TPR_THRESHOLD		0x0000401C
151#define	VMCS_SEC_PROC_BASED_CTLS	0x0000401E
152#define	VMCS_PLE_GAP			0x00004020
153#define	VMCS_PLE_WINDOW			0x00004022
154
155/* 32-bit read-only data fields */
156#define	VMCS_INSTRUCTION_ERROR		0x00004400
157#define	VMCS_EXIT_REASON		0x00004402
158#define	VMCS_EXIT_INTERRUPTION_INFO	0x00004404
159#define	VMCS_EXIT_INTERRUPTION_ERROR	0x00004406
160#define	VMCS_IDT_VECTORING_INFO		0x00004408
161#define	VMCS_IDT_VECTORING_ERROR	0x0000440A
162#define	VMCS_EXIT_INSTRUCTION_LENGTH	0x0000440C
163#define	VMCS_EXIT_INSTRUCTION_INFO	0x0000440E
164
165/* 32-bit guest-state fields */
166#define	VMCS_GUEST_ES_LIMIT		0x00004800
167#define	VMCS_GUEST_CS_LIMIT		0x00004802
168#define	VMCS_GUEST_SS_LIMIT		0x00004804
169#define	VMCS_GUEST_DS_LIMIT		0x00004806
170#define	VMCS_GUEST_FS_LIMIT		0x00004808
171#define	VMCS_GUEST_GS_LIMIT		0x0000480A
172#define	VMCS_GUEST_LDTR_LIMIT		0x0000480C
173#define	VMCS_GUEST_TR_LIMIT		0x0000480E
174#define	VMCS_GUEST_GDTR_LIMIT		0x00004810
175#define	VMCS_GUEST_IDTR_LIMIT		0x00004812
176#define	VMCS_GUEST_ES_ACCESS_RIGHTS	0x00004814
177#define	VMCS_GUEST_CS_ACCESS_RIGHTS	0x00004816
178#define	VMCS_GUEST_SS_ACCESS_RIGHTS	0x00004818
179#define	VMCS_GUEST_DS_ACCESS_RIGHTS	0x0000481A
180#define	VMCS_GUEST_FS_ACCESS_RIGHTS	0x0000481C
181#define	VMCS_GUEST_GS_ACCESS_RIGHTS	0x0000481E
182#define	VMCS_GUEST_LDTR_ACCESS_RIGHTS	0x00004820
183#define	VMCS_GUEST_TR_ACCESS_RIGHTS	0x00004822
184#define	VMCS_GUEST_INTERRUPTIBILITY	0x00004824
185#define	VMCS_GUEST_ACTIVITY		0x00004826
186#define VMCS_GUEST_SMBASE		0x00004828
187#define	VMCS_GUEST_IA32_SYSENTER_CS	0x0000482A
188#define	VMCS_PREEMPTION_TIMER_VALUE	0x0000482E
189
190/* 32-bit host state fields */
191#define	VMCS_HOST_IA32_SYSENTER_CS	0x00004C00
192
193/* Natural Width control fields */
194#define	VMCS_CR0_MASK			0x00006000
195#define	VMCS_CR4_MASK			0x00006002
196#define	VMCS_CR0_SHADOW			0x00006004
197#define	VMCS_CR4_SHADOW			0x00006006
198#define	VMCS_CR3_TARGET0		0x00006008
199#define	VMCS_CR3_TARGET1		0x0000600A
200#define	VMCS_CR3_TARGET2		0x0000600C
201#define	VMCS_CR3_TARGET3		0x0000600E
202
203/* Natural Width read-only fields */
204#define	VMCS_EXIT_QUALIFICATION		0x00006400
205#define	VMCS_IO_RCX			0x00006402
206#define	VMCS_IO_RSI			0x00006404
207#define	VMCS_IO_RDI			0x00006406
208#define	VMCS_IO_RIP			0x00006408
209#define	VMCS_GUEST_LINEAR_ADDRESS	0x0000640A
210
211/* Natural Width guest-state fields */
212#define	VMCS_GUEST_CR0			0x00006800
213#define	VMCS_GUEST_CR3			0x00006802
214#define	VMCS_GUEST_CR4			0x00006804
215#define	VMCS_GUEST_ES_BASE		0x00006806
216#define	VMCS_GUEST_CS_BASE		0x00006808
217#define	VMCS_GUEST_SS_BASE		0x0000680A
218#define	VMCS_GUEST_DS_BASE		0x0000680C
219#define	VMCS_GUEST_FS_BASE		0x0000680E
220#define	VMCS_GUEST_GS_BASE		0x00006810
221#define	VMCS_GUEST_LDTR_BASE		0x00006812
222#define	VMCS_GUEST_TR_BASE		0x00006814
223#define	VMCS_GUEST_GDTR_BASE		0x00006816
224#define	VMCS_GUEST_IDTR_BASE		0x00006818
225#define	VMCS_GUEST_DR7			0x0000681A
226#define	VMCS_GUEST_RSP			0x0000681C
227#define	VMCS_GUEST_RIP			0x0000681E
228#define	VMCS_GUEST_RFLAGS		0x00006820
229#define	VMCS_GUEST_PENDING_DBG_EXCEPTIONS 0x00006822
230#define	VMCS_GUEST_IA32_SYSENTER_ESP	0x00006824
231#define	VMCS_GUEST_IA32_SYSENTER_EIP	0x00006826
232
233/* Natural Width host-state fields */
234#define	VMCS_HOST_CR0			0x00006C00
235#define	VMCS_HOST_CR3			0x00006C02
236#define	VMCS_HOST_CR4			0x00006C04
237#define	VMCS_HOST_FS_BASE		0x00006C06
238#define	VMCS_HOST_GS_BASE		0x00006C08
239#define	VMCS_HOST_TR_BASE		0x00006C0A
240#define	VMCS_HOST_GDTR_BASE		0x00006C0C
241#define	VMCS_HOST_IDTR_BASE		0x00006C0E
242#define	VMCS_HOST_IA32_SYSENTER_ESP	0x00006C10
243#define	VMCS_HOST_IA32_SYSENTER_EIP	0x00006C12
244#define	VMCS_HOST_RSP			0x00006C14
245#define	VMCS_HOST_RIP			0x00006c16
246
247/*
248 * VM instruction error numbers
249 */
250#define	VMRESUME_WITH_NON_LAUNCHED_VMCS	5
251
252/*
253 * VMCS exit reasons
254 */
255#define EXIT_REASON_EXCEPTION		0
256#define EXIT_REASON_EXT_INTR		1
257#define EXIT_REASON_TRIPLE_FAULT	2
258#define EXIT_REASON_INIT		3
259#define EXIT_REASON_SIPI		4
260#define EXIT_REASON_IO_SMI		5
261#define EXIT_REASON_SMI			6
262#define EXIT_REASON_INTR_WINDOW		7
263#define EXIT_REASON_NMI_WINDOW		8
264#define EXIT_REASON_TASK_SWITCH		9
265#define EXIT_REASON_CPUID		10
266#define EXIT_REASON_GETSEC		11
267#define EXIT_REASON_HLT			12
268#define EXIT_REASON_INVD		13
269#define EXIT_REASON_INVLPG		14
270#define EXIT_REASON_RDPMC		15
271#define EXIT_REASON_RDTSC		16
272#define EXIT_REASON_RSM			17
273#define EXIT_REASON_VMCALL		18
274#define EXIT_REASON_VMCLEAR		19
275#define EXIT_REASON_VMLAUNCH		20
276#define EXIT_REASON_VMPTRLD		21
277#define EXIT_REASON_VMPTRST		22
278#define EXIT_REASON_VMREAD		23
279#define EXIT_REASON_VMRESUME		24
280#define EXIT_REASON_VMWRITE		25
281#define EXIT_REASON_VMXOFF		26
282#define EXIT_REASON_VMXON		27
283#define EXIT_REASON_CR_ACCESS		28
284#define EXIT_REASON_DR_ACCESS		29
285#define EXIT_REASON_INOUT		30
286#define EXIT_REASON_RDMSR		31
287#define EXIT_REASON_WRMSR		32
288#define EXIT_REASON_INVAL_VMCS		33
289#define EXIT_REASON_INVAL_MSR		34
290#define EXIT_REASON_MWAIT		36
291#define EXIT_REASON_MTF			37
292#define EXIT_REASON_MONITOR		39
293#define EXIT_REASON_PAUSE		40
294#define EXIT_REASON_MCE			41
295#define EXIT_REASON_TPR			43
296#define EXIT_REASON_APIC		44
297#define EXIT_REASON_GDTR_IDTR		46
298#define EXIT_REASON_LDTR_TR		47
299#define EXIT_REASON_EPT_FAULT		48
300#define EXIT_REASON_EPT_MISCONFIG	49
301#define EXIT_REASON_INVEPT		50
302#define EXIT_REASON_RDTSCP		51
303#define EXIT_REASON_VMX_PREEMPT		52
304#define EXIT_REASON_INVVPID		53
305#define EXIT_REASON_WBINVD		54
306#define EXIT_REASON_XSETBV		55
307
308/*
309 * VMCS interrupt information fields
310 */
311#define	VMCS_INTERRUPTION_INFO_VALID	(1U << 31)
312#define	VMCS_INTERRUPTION_INFO_HW_INTR	(0 << 8)
313#define	VMCS_INTERRUPTION_INFO_NMI	(2 << 8)
314
315/*
316 * VMCS Guest interruptibility field
317 */
318#define	VMCS_INTERRUPTIBILITY_STI_BLOCKING	(1 << 0)
319#define	VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING	(1 << 1)
320#define	VMCS_INTERRUPTIBILITY_SMI_BLOCKING	(1 << 2)
321#define	VMCS_INTERRUPTIBILITY_NMI_BLOCKING	(1 << 3)
322
323/*
324 * Exit qualification for EXIT_REASON_INVAL_VMCS
325 */
326#define	EXIT_QUAL_NMI_WHILE_STI_BLOCKING	3
327
328/*
329 * Exit qualification for EPT violation
330 */
331#define	EPT_VIOLATION_DATA_READ		(1UL << 0)
332#define	EPT_VIOLATION_DATA_WRITE	(1UL << 1)
333#define	EPT_VIOLATION_INST_FETCH	(1UL << 2)
334#define	EPT_VIOLATION_GLA_VALID		(1UL << 7)
335#define	EPT_VIOLATION_XLAT_VALID	(1UL << 8)
336
337#endif
338