xref: /freebsd/sys/amd64/vmm/intel/vmcs.h (revision 730cecb05aaf016ac52ef7cfc691ccec3a0408cd)
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
33 struct vmcs {
34 	uint32_t	identifier;
35 	uint32_t	abort_code;
36 	char		_impl_specific[PAGE_SIZE - sizeof(uint32_t) * 2];
37 };
38 CTASSERT(sizeof(struct vmcs) == PAGE_SIZE);
39 
40 /* MSR save region is composed of an array of 'struct msr_entry' */
41 struct msr_entry {
42 	uint32_t	index;
43 	uint32_t	reserved;
44 	uint64_t	val;
45 
46 };
47 
48 int vmcs_set_msr_save(struct vmcs *vmcs, u_long g_area, u_int g_count);
49 int	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);
55 int	vmcs_getreg(struct vmcs *vmcs, int ident, uint64_t *retval);
56 int	vmcs_setreg(struct vmcs *vmcs, int ident, uint64_t val);
57 int	vmcs_getdesc(struct vmcs *vmcs, int ident,
58 		     struct seg_desc *desc);
59 int	vmcs_setdesc(struct vmcs *vmcs, int ident,
60 		     struct seg_desc *desc);
61 uint64_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 #define	vmcs_gla()			vmcs_read(VMCS_GUEST_LINEAR_ADDRESS)
71 
72 #endif	/* _KERNEL */
73 
74 #define	VMCS_INITIAL			0xffffffffffffffff
75 
76 #define	VMCS_IDENT(encoding)		((encoding) | 0x80000000)
77 /*
78  * VMCS field encodings from Appendix H, Intel Architecture Manual Vol3B.
79  */
80 #define	VMCS_INVALID_ENCODING		0xffffffff
81 
82 /* 16-bit control fields */
83 #define	VMCS_VPID			0x00000000
84 
85 /* 16-bit guest-state fields */
86 #define	VMCS_GUEST_ES_SELECTOR		0x00000800
87 #define	VMCS_GUEST_CS_SELECTOR		0x00000802
88 #define	VMCS_GUEST_SS_SELECTOR		0x00000804
89 #define	VMCS_GUEST_DS_SELECTOR		0x00000806
90 #define	VMCS_GUEST_FS_SELECTOR		0x00000808
91 #define	VMCS_GUEST_GS_SELECTOR		0x0000080A
92 #define	VMCS_GUEST_LDTR_SELECTOR	0x0000080C
93 #define	VMCS_GUEST_TR_SELECTOR		0x0000080E
94 
95 /* 16-bit host-state fields */
96 #define	VMCS_HOST_ES_SELECTOR		0x00000C00
97 #define	VMCS_HOST_CS_SELECTOR		0x00000C02
98 #define	VMCS_HOST_SS_SELECTOR		0x00000C04
99 #define	VMCS_HOST_DS_SELECTOR		0x00000C06
100 #define	VMCS_HOST_FS_SELECTOR		0x00000C08
101 #define	VMCS_HOST_GS_SELECTOR		0x00000C0A
102 #define	VMCS_HOST_TR_SELECTOR		0x00000C0C
103 
104 /* 64-bit control fields */
105 #define	VMCS_IO_BITMAP_A		0x00002000
106 #define	VMCS_IO_BITMAP_B		0x00002002
107 #define	VMCS_MSR_BITMAP			0x00002004
108 #define	VMCS_EXIT_MSR_STORE		0x00002006
109 #define	VMCS_EXIT_MSR_LOAD		0x00002008
110 #define	VMCS_ENTRY_MSR_LOAD		0x0000200A
111 #define	VMCS_EXECUTIVE_VMCS		0x0000200C
112 #define	VMCS_TSC_OFFSET			0x00002010
113 #define	VMCS_VIRTUAL_APIC		0x00002012
114 #define	VMCS_APIC_ACCESS		0x00002014
115 #define	VMCS_EPTP			0x0000201A
116 
117 /* 64-bit read-only fields */
118 #define	VMCS_GUEST_PHYSICAL_ADDRESS	0x00002400
119 
120 /* 64-bit guest-state fields */
121 #define	VMCS_LINK_POINTER		0x00002800
122 #define	VMCS_GUEST_IA32_DEBUGCTL	0x00002802
123 #define	VMCS_GUEST_IA32_PAT		0x00002804
124 #define	VMCS_GUEST_IA32_EFER		0x00002806
125 #define	VMCS_GUEST_IA32_PERF_GLOBAL_CTRL 0x00002808
126 #define	VMCS_GUEST_PDPTE0		0x0000280A
127 #define	VMCS_GUEST_PDPTE1		0x0000280C
128 #define	VMCS_GUEST_PDPTE2		0x0000280E
129 #define	VMCS_GUEST_PDPTE3		0x00002810
130 
131 /* 64-bit host-state fields */
132 #define	VMCS_HOST_IA32_PAT		0x00002C00
133 #define	VMCS_HOST_IA32_EFER		0x00002C02
134 #define	VMCS_HOST_IA32_PERF_GLOBAL_CTRL	0x00002C04
135 
136 /* 32-bit control fields */
137 #define	VMCS_PIN_BASED_CTLS		0x00004000
138 #define	VMCS_PRI_PROC_BASED_CTLS	0x00004002
139 #define	VMCS_EXCEPTION_BITMAP		0x00004004
140 #define	VMCS_PF_ERROR_MASK		0x00004006
141 #define	VMCS_PF_ERROR_MATCH		0x00004008
142 #define	VMCS_CR3_TARGET_COUNT		0x0000400A
143 #define	VMCS_EXIT_CTLS			0x0000400C
144 #define	VMCS_EXIT_MSR_STORE_COUNT	0x0000400E
145 #define	VMCS_EXIT_MSR_LOAD_COUNT	0x00004010
146 #define	VMCS_ENTRY_CTLS			0x00004012
147 #define	VMCS_ENTRY_MSR_LOAD_COUNT	0x00004014
148 #define	VMCS_ENTRY_INTR_INFO		0x00004016
149 #define	VMCS_ENTRY_EXCEPTION_ERROR	0x00004018
150 #define	VMCS_ENTRY_INST_LENGTH		0x0000401A
151 #define	VMCS_TPR_THRESHOLD		0x0000401C
152 #define	VMCS_SEC_PROC_BASED_CTLS	0x0000401E
153 #define	VMCS_PLE_GAP			0x00004020
154 #define	VMCS_PLE_WINDOW			0x00004022
155 
156 /* 32-bit read-only data fields */
157 #define	VMCS_INSTRUCTION_ERROR		0x00004400
158 #define	VMCS_EXIT_REASON		0x00004402
159 #define	VMCS_EXIT_INTERRUPTION_INFO	0x00004404
160 #define	VMCS_EXIT_INTERRUPTION_ERROR	0x00004406
161 #define	VMCS_IDT_VECTORING_INFO		0x00004408
162 #define	VMCS_IDT_VECTORING_ERROR	0x0000440A
163 #define	VMCS_EXIT_INSTRUCTION_LENGTH	0x0000440C
164 #define	VMCS_EXIT_INSTRUCTION_INFO	0x0000440E
165 
166 /* 32-bit guest-state fields */
167 #define	VMCS_GUEST_ES_LIMIT		0x00004800
168 #define	VMCS_GUEST_CS_LIMIT		0x00004802
169 #define	VMCS_GUEST_SS_LIMIT		0x00004804
170 #define	VMCS_GUEST_DS_LIMIT		0x00004806
171 #define	VMCS_GUEST_FS_LIMIT		0x00004808
172 #define	VMCS_GUEST_GS_LIMIT		0x0000480A
173 #define	VMCS_GUEST_LDTR_LIMIT		0x0000480C
174 #define	VMCS_GUEST_TR_LIMIT		0x0000480E
175 #define	VMCS_GUEST_GDTR_LIMIT		0x00004810
176 #define	VMCS_GUEST_IDTR_LIMIT		0x00004812
177 #define	VMCS_GUEST_ES_ACCESS_RIGHTS	0x00004814
178 #define	VMCS_GUEST_CS_ACCESS_RIGHTS	0x00004816
179 #define	VMCS_GUEST_SS_ACCESS_RIGHTS	0x00004818
180 #define	VMCS_GUEST_DS_ACCESS_RIGHTS	0x0000481A
181 #define	VMCS_GUEST_FS_ACCESS_RIGHTS	0x0000481C
182 #define	VMCS_GUEST_GS_ACCESS_RIGHTS	0x0000481E
183 #define	VMCS_GUEST_LDTR_ACCESS_RIGHTS	0x00004820
184 #define	VMCS_GUEST_TR_ACCESS_RIGHTS	0x00004822
185 #define	VMCS_GUEST_INTERRUPTIBILITY	0x00004824
186 #define	VMCS_GUEST_ACTIVITY		0x00004826
187 #define VMCS_GUEST_SMBASE		0x00004828
188 #define	VMCS_GUEST_IA32_SYSENTER_CS	0x0000482A
189 #define	VMCS_PREEMPTION_TIMER_VALUE	0x0000482E
190 
191 /* 32-bit host state fields */
192 #define	VMCS_HOST_IA32_SYSENTER_CS	0x00004C00
193 
194 /* Natural Width control fields */
195 #define	VMCS_CR0_MASK			0x00006000
196 #define	VMCS_CR4_MASK			0x00006002
197 #define	VMCS_CR0_SHADOW			0x00006004
198 #define	VMCS_CR4_SHADOW			0x00006006
199 #define	VMCS_CR3_TARGET0		0x00006008
200 #define	VMCS_CR3_TARGET1		0x0000600A
201 #define	VMCS_CR3_TARGET2		0x0000600C
202 #define	VMCS_CR3_TARGET3		0x0000600E
203 
204 /* Natural Width read-only fields */
205 #define	VMCS_EXIT_QUALIFICATION		0x00006400
206 #define	VMCS_IO_RCX			0x00006402
207 #define	VMCS_IO_RSI			0x00006404
208 #define	VMCS_IO_RDI			0x00006406
209 #define	VMCS_IO_RIP			0x00006408
210 #define	VMCS_GUEST_LINEAR_ADDRESS	0x0000640A
211 
212 /* Natural Width guest-state fields */
213 #define	VMCS_GUEST_CR0			0x00006800
214 #define	VMCS_GUEST_CR3			0x00006802
215 #define	VMCS_GUEST_CR4			0x00006804
216 #define	VMCS_GUEST_ES_BASE		0x00006806
217 #define	VMCS_GUEST_CS_BASE		0x00006808
218 #define	VMCS_GUEST_SS_BASE		0x0000680A
219 #define	VMCS_GUEST_DS_BASE		0x0000680C
220 #define	VMCS_GUEST_FS_BASE		0x0000680E
221 #define	VMCS_GUEST_GS_BASE		0x00006810
222 #define	VMCS_GUEST_LDTR_BASE		0x00006812
223 #define	VMCS_GUEST_TR_BASE		0x00006814
224 #define	VMCS_GUEST_GDTR_BASE		0x00006816
225 #define	VMCS_GUEST_IDTR_BASE		0x00006818
226 #define	VMCS_GUEST_DR7			0x0000681A
227 #define	VMCS_GUEST_RSP			0x0000681C
228 #define	VMCS_GUEST_RIP			0x0000681E
229 #define	VMCS_GUEST_RFLAGS		0x00006820
230 #define	VMCS_GUEST_PENDING_DBG_EXCEPTIONS 0x00006822
231 #define	VMCS_GUEST_IA32_SYSENTER_ESP	0x00006824
232 #define	VMCS_GUEST_IA32_SYSENTER_EIP	0x00006826
233 
234 /* Natural Width host-state fields */
235 #define	VMCS_HOST_CR0			0x00006C00
236 #define	VMCS_HOST_CR3			0x00006C02
237 #define	VMCS_HOST_CR4			0x00006C04
238 #define	VMCS_HOST_FS_BASE		0x00006C06
239 #define	VMCS_HOST_GS_BASE		0x00006C08
240 #define	VMCS_HOST_TR_BASE		0x00006C0A
241 #define	VMCS_HOST_GDTR_BASE		0x00006C0C
242 #define	VMCS_HOST_IDTR_BASE		0x00006C0E
243 #define	VMCS_HOST_IA32_SYSENTER_ESP	0x00006C10
244 #define	VMCS_HOST_IA32_SYSENTER_EIP	0x00006C12
245 #define	VMCS_HOST_RSP			0x00006C14
246 #define	VMCS_HOST_RIP			0x00006c16
247 
248 /*
249  * VM instruction error numbers
250  */
251 #define	VMRESUME_WITH_NON_LAUNCHED_VMCS	5
252 
253 /*
254  * VMCS exit reasons
255  */
256 #define EXIT_REASON_EXCEPTION		0
257 #define EXIT_REASON_EXT_INTR		1
258 #define EXIT_REASON_TRIPLE_FAULT	2
259 #define EXIT_REASON_INIT		3
260 #define EXIT_REASON_SIPI		4
261 #define EXIT_REASON_IO_SMI		5
262 #define EXIT_REASON_SMI			6
263 #define EXIT_REASON_INTR_WINDOW		7
264 #define EXIT_REASON_NMI_WINDOW		8
265 #define EXIT_REASON_TASK_SWITCH		9
266 #define EXIT_REASON_CPUID		10
267 #define EXIT_REASON_GETSEC		11
268 #define EXIT_REASON_HLT			12
269 #define EXIT_REASON_INVD		13
270 #define EXIT_REASON_INVLPG		14
271 #define EXIT_REASON_RDPMC		15
272 #define EXIT_REASON_RDTSC		16
273 #define EXIT_REASON_RSM			17
274 #define EXIT_REASON_VMCALL		18
275 #define EXIT_REASON_VMCLEAR		19
276 #define EXIT_REASON_VMLAUNCH		20
277 #define EXIT_REASON_VMPTRLD		21
278 #define EXIT_REASON_VMPTRST		22
279 #define EXIT_REASON_VMREAD		23
280 #define EXIT_REASON_VMRESUME		24
281 #define EXIT_REASON_VMWRITE		25
282 #define EXIT_REASON_VMXOFF		26
283 #define EXIT_REASON_VMXON		27
284 #define EXIT_REASON_CR_ACCESS		28
285 #define EXIT_REASON_DR_ACCESS		29
286 #define EXIT_REASON_INOUT		30
287 #define EXIT_REASON_RDMSR		31
288 #define EXIT_REASON_WRMSR		32
289 #define EXIT_REASON_INVAL_VMCS		33
290 #define EXIT_REASON_INVAL_MSR		34
291 #define EXIT_REASON_MWAIT		36
292 #define EXIT_REASON_MTF			37
293 #define EXIT_REASON_MONITOR		39
294 #define EXIT_REASON_PAUSE		40
295 #define EXIT_REASON_MCE			41
296 #define EXIT_REASON_TPR			43
297 #define EXIT_REASON_APIC		44
298 #define EXIT_REASON_GDTR_IDTR		46
299 #define EXIT_REASON_LDTR_TR		47
300 #define EXIT_REASON_EPT_FAULT		48
301 #define EXIT_REASON_EPT_MISCONFIG	49
302 #define EXIT_REASON_INVEPT		50
303 #define EXIT_REASON_RDTSCP		51
304 #define EXIT_REASON_VMX_PREEMPT		52
305 #define EXIT_REASON_INVVPID		53
306 #define EXIT_REASON_WBINVD		54
307 #define EXIT_REASON_XSETBV		55
308 
309 /*
310  * VMCS interrupt information fields
311  */
312 #define	VMCS_INTERRUPTION_INFO_VALID	(1U << 31)
313 #define	VMCS_INTERRUPTION_INFO_HW_INTR	(0 << 8)
314 #define	VMCS_INTERRUPTION_INFO_NMI	(2 << 8)
315 
316 /*
317  * VMCS Guest interruptibility field
318  */
319 #define	VMCS_INTERRUPTIBILITY_STI_BLOCKING	(1 << 0)
320 #define	VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING	(1 << 1)
321 #define	VMCS_INTERRUPTIBILITY_SMI_BLOCKING	(1 << 2)
322 #define	VMCS_INTERRUPTIBILITY_NMI_BLOCKING	(1 << 3)
323 
324 /*
325  * Exit qualification for EXIT_REASON_INVAL_VMCS
326  */
327 #define	EXIT_QUAL_NMI_WHILE_STI_BLOCKING	3
328 
329 /*
330  * Exit qualification for EPT violation
331  */
332 #define	EPT_VIOLATION_DATA_READ		(1UL << 0)
333 #define	EPT_VIOLATION_DATA_WRITE	(1UL << 1)
334 #define	EPT_VIOLATION_INST_FETCH	(1UL << 2)
335 #define	EPT_VIOLATION_GLA_VALID		(1UL << 7)
336 #define	EPT_VIOLATION_XLAT_VALID	(1UL << 8)
337 
338 #endif
339