Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/vmm/intel/vmcs.h
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _VMCS_H_ 32 #define _VMCS_H_ 33 34 #ifdef _KERNEL 35 36 struct vm_snapshot_meta; 37 38 struct vmcs { 39 uint32_t identifier; 40 uint32_t abort_code; 41 char _impl_specific[PAGE_SIZE - sizeof(uint32_t) * 2]; 42 }; 43 CTASSERT(sizeof(struct vmcs) == PAGE_SIZE); 44 45 /* MSR save region is composed of an array of 'struct msr_entry' */ 46 struct msr_entry { 47 uint32_t index; 48 uint32_t reserved; 49 uint64_t val; 50 51 }; 52 53 int vmcs_set_msr_save(struct vmcs *vmcs, u_long g_area, u_int g_count); 54 int vmcs_init(struct vmcs *vmcs); 55 int vmcs_getreg(struct vmcs *vmcs, int running, int ident, uint64_t *rv); 56 int vmcs_setreg(struct vmcs *vmcs, int running, int ident, uint64_t val); 57 int vmcs_getdesc(struct vmcs *vmcs, int running, int ident, 58 struct seg_desc *desc); 59 int vmcs_setdesc(struct vmcs *vmcs, int running, int ident, 60 struct seg_desc *desc); 61 #ifdef BHYVE_SNAPSHOT 62 int vmcs_getany(struct vmcs *vmcs, int running, int ident, uint64_t *val); 63 int vmcs_setany(struct vmcs *vmcs, int running, int ident, uint64_t val); 64 int vmcs_snapshot_reg(struct vmcs *vmcs, int running, int ident, 65 struct vm_snapshot_meta *meta); 66 int vmcs_snapshot_desc(struct vmcs *vmcs, int running, int seg, 67 struct vm_snapshot_meta *meta); 68 int vmcs_snapshot_any(struct vmcs *vmcs, int running, int ident, 69 struct vm_snapshot_meta *meta); 70 #endif 71 72 /* 73 * Avoid header pollution caused by inline use of 'vtophys()' in vmx_cpufunc.h 74 */ 75 #ifdef _VMX_CPUFUNC_H_ 76 static __inline uint64_t 77 vmcs_read(uint32_t encoding) 78 { 79 int error __diagused; 80 uint64_t val; 81 82 error = vmread(encoding, &val); 83 KASSERT(error == 0, ("vmcs_read(%u) error %d", encoding, error)); 84 return (val); 85 } 86 87 static __inline void 88 vmcs_write(uint32_t encoding, uint64_t val) 89 { 90 int error __diagused; 91 92 error = vmwrite(encoding, val); 93 KASSERT(error == 0, ("vmcs_write(%u) error %d", encoding, error)); 94 } 95 #endif /* _VMX_CPUFUNC_H_ */ 96 97 #define vmexit_instruction_length() vmcs_read(VMCS_EXIT_INSTRUCTION_LENGTH) 98 #define vmcs_guest_rip() vmcs_read(VMCS_GUEST_RIP) 99 #define vmcs_instruction_error() vmcs_read(VMCS_INSTRUCTION_ERROR) 100 #define vmcs_exit_reason() (vmcs_read(VMCS_EXIT_REASON) & 0xffff) 101 #define vmcs_exit_qualification() vmcs_read(VMCS_EXIT_QUALIFICATION) 102 #define vmcs_guest_cr3() vmcs_read(VMCS_GUEST_CR3) 103 #define vmcs_gpa() vmcs_read(VMCS_GUEST_PHYSICAL_ADDRESS) 104 #define vmcs_gla() vmcs_read(VMCS_GUEST_LINEAR_ADDRESS) 105 #define vmcs_idt_vectoring_info() vmcs_read(VMCS_IDT_VECTORING_INFO) 106 #define vmcs_idt_vectoring_err() vmcs_read(VMCS_IDT_VECTORING_ERROR) 107 108 #endif /* _KERNEL */ 109 110 #define VMCS_INITIAL 0xffffffffffffffff 111 112 #define VMCS_IDENT(encoding) ((encoding) | 0x80000000) 113 /* 114 * VMCS field encodings from Appendix H, Intel Architecture Manual Vol3B. 115 */ 116 #define VMCS_INVALID_ENCODING 0xffffffff 117 118 /* 16-bit control fields */ 119 #define VMCS_VPID 0x00000000 120 #define VMCS_PIR_VECTOR 0x00000002 121 122 /* 16-bit guest-state fields */ 123 #define VMCS_GUEST_ES_SELECTOR 0x00000800 124 #define VMCS_GUEST_CS_SELECTOR 0x00000802 125 #define VMCS_GUEST_SS_SELECTOR 0x00000804 126 #define VMCS_GUEST_DS_SELECTOR 0x00000806 127 #define VMCS_GUEST_FS_SELECTOR 0x00000808 128 #define VMCS_GUEST_GS_SELECTOR 0x0000080A 129 #define VMCS_GUEST_LDTR_SELECTOR 0x0000080C 130 #define VMCS_GUEST_TR_SELECTOR 0x0000080E 131 #define VMCS_GUEST_INTR_STATUS 0x00000810 132 133 /* 16-bit host-state fields */ 134 #define VMCS_HOST_ES_SELECTOR 0x00000C00 135 #define VMCS_HOST_CS_SELECTOR 0x00000C02 136 #define VMCS_HOST_SS_SELECTOR 0x00000C04 137 #define VMCS_HOST_DS_SELECTOR 0x00000C06 138 #define VMCS_HOST_FS_SELECTOR 0x00000C08 139 #define VMCS_HOST_GS_SELECTOR 0x00000C0A 140 #define VMCS_HOST_TR_SELECTOR 0x00000C0C 141 142 /* 64-bit control fields */ 143 #define VMCS_IO_BITMAP_A 0x00002000 144 #define VMCS_IO_BITMAP_B 0x00002002 145 #define VMCS_MSR_BITMAP 0x00002004 146 #define VMCS_EXIT_MSR_STORE 0x00002006 147 #define VMCS_EXIT_MSR_LOAD 0x00002008 148 #define VMCS_ENTRY_MSR_LOAD 0x0000200A 149 #define VMCS_EXECUTIVE_VMCS 0x0000200C 150 #define VMCS_TSC_OFFSET 0x00002010 151 #define VMCS_VIRTUAL_APIC 0x00002012 152 #define VMCS_APIC_ACCESS 0x00002014 153 #define VMCS_PIR_DESC 0x00002016 154 #define VMCS_EPTP 0x0000201A 155 #define VMCS_EOI_EXIT0 0x0000201C 156 #define VMCS_EOI_EXIT1 0x0000201E 157 #define VMCS_EOI_EXIT2 0x00002020 158 #define VMCS_EOI_EXIT3 0x00002022 159 #define VMCS_EOI_EXIT(vector) (VMCS_EOI_EXIT0 + ((vector) / 64) * 2) 160 161 /* 64-bit read-only fields */ 162 #define VMCS_GUEST_PHYSICAL_ADDRESS 0x00002400 163 164 /* 64-bit guest-state fields */ 165 #define VMCS_LINK_POINTER 0x00002800 166 #define VMCS_GUEST_IA32_DEBUGCTL 0x00002802 167 #define VMCS_GUEST_IA32_PAT 0x00002804 168 #define VMCS_GUEST_IA32_EFER 0x00002806 169 #define VMCS_GUEST_IA32_PERF_GLOBAL_CTRL 0x00002808 170 #define VMCS_GUEST_PDPTE0 0x0000280A 171 #define VMCS_GUEST_PDPTE1 0x0000280C 172 #define VMCS_GUEST_PDPTE2 0x0000280E 173 #define VMCS_GUEST_PDPTE3 0x00002810 174 175 /* 64-bit host-state fields */ 176 #define VMCS_HOST_IA32_PAT 0x00002C00 177 #define VMCS_HOST_IA32_EFER 0x00002C02 178 #define VMCS_HOST_IA32_PERF_GLOBAL_CTRL 0x00002C04 179 180 /* 32-bit control fields */ 181 #define VMCS_PIN_BASED_CTLS 0x00004000 182 #define VMCS_PRI_PROC_BASED_CTLS 0x00004002 183 #define VMCS_EXCEPTION_BITMAP 0x00004004 184 #define VMCS_PF_ERROR_MASK 0x00004006 185 #define VMCS_PF_ERROR_MATCH 0x00004008 186 #define VMCS_CR3_TARGET_COUNT 0x0000400A 187 #define VMCS_EXIT_CTLS 0x0000400C 188 #define VMCS_EXIT_MSR_STORE_COUNT 0x0000400E 189 #define VMCS_EXIT_MSR_LOAD_COUNT 0x00004010 190 #define VMCS_ENTRY_CTLS 0x00004012 191 #define VMCS_ENTRY_MSR_LOAD_COUNT 0x00004014 192 #define VMCS_ENTRY_INTR_INFO 0x00004016 193 #define VMCS_ENTRY_EXCEPTION_ERROR 0x00004018 194 #define VMCS_ENTRY_INST_LENGTH 0x0000401A 195 #define VMCS_TPR_THRESHOLD 0x0000401C 196 #define VMCS_SEC_PROC_BASED_CTLS 0x0000401E 197 #define VMCS_PLE_GAP 0x00004020 198 #define VMCS_PLE_WINDOW 0x00004022 199 200 /* 32-bit read-only data fields */ 201 #define VMCS_INSTRUCTION_ERROR 0x00004400 202 #define VMCS_EXIT_REASON 0x00004402 203 #define VMCS_EXIT_INTR_INFO 0x00004404 204 #define VMCS_EXIT_INTR_ERRCODE 0x00004406 205 #define VMCS_IDT_VECTORING_INFO 0x00004408 206 #define VMCS_IDT_VECTORING_ERROR 0x0000440A 207 #define VMCS_EXIT_INSTRUCTION_LENGTH 0x0000440C 208 #define VMCS_EXIT_INSTRUCTION_INFO 0x0000440E 209 210 /* 32-bit guest-state fields */ 211 #define VMCS_GUEST_ES_LIMIT 0x00004800 212 #define VMCS_GUEST_CS_LIMIT 0x00004802 213 #define VMCS_GUEST_SS_LIMIT 0x00004804 214 #define VMCS_GUEST_DS_LIMIT 0x00004806 215 #define VMCS_GUEST_FS_LIMIT 0x00004808 216 #define VMCS_GUEST_GS_LIMIT 0x0000480A 217 #define VMCS_GUEST_LDTR_LIMIT 0x0000480C 218 #define VMCS_GUEST_TR_LIMIT 0x0000480E 219 #define VMCS_GUEST_GDTR_LIMIT 0x00004810 220 #define VMCS_GUEST_IDTR_LIMIT 0x00004812 221 #define VMCS_GUEST_ES_ACCESS_RIGHTS 0x00004814 222 #define VMCS_GUEST_CS_ACCESS_RIGHTS 0x00004816 223 #define VMCS_GUEST_SS_ACCESS_RIGHTS 0x00004818 224 #define VMCS_GUEST_DS_ACCESS_RIGHTS 0x0000481A 225 #define VMCS_GUEST_FS_ACCESS_RIGHTS 0x0000481C 226 #define VMCS_GUEST_GS_ACCESS_RIGHTS 0x0000481E 227 #define VMCS_GUEST_LDTR_ACCESS_RIGHTS 0x00004820 228 #define VMCS_GUEST_TR_ACCESS_RIGHTS 0x00004822 229 #define VMCS_GUEST_INTERRUPTIBILITY 0x00004824 230 #define VMCS_GUEST_ACTIVITY 0x00004826 231 #define VMCS_GUEST_SMBASE 0x00004828 232 #define VMCS_GUEST_IA32_SYSENTER_CS 0x0000482A 233 #define VMCS_PREEMPTION_TIMER_VALUE 0x0000482E 234 235 /* 32-bit host state fields */ 236 #define VMCS_HOST_IA32_SYSENTER_CS 0x00004C00 237 238 /* Natural Width control fields */ 239 #define VMCS_CR0_MASK 0x00006000 240 #define VMCS_CR4_MASK 0x00006002 241 #define VMCS_CR0_SHADOW 0x00006004 242 #define VMCS_CR4_SHADOW 0x00006006 243 #define VMCS_CR3_TARGET0 0x00006008 244 #define VMCS_CR3_TARGET1 0x0000600A 245 #define VMCS_CR3_TARGET2 0x0000600C 246 #define VMCS_CR3_TARGET3 0x0000600E 247 248 /* Natural Width read-only fields */ 249 #define VMCS_EXIT_QUALIFICATION 0x00006400 250 #define VMCS_IO_RCX 0x00006402 251 #define VMCS_IO_RSI 0x00006404 252 #define VMCS_IO_RDI 0x00006406 253 #define VMCS_IO_RIP 0x00006408 254 #define VMCS_GUEST_LINEAR_ADDRESS 0x0000640A 255 256 /* Natural Width guest-state fields */ 257 #define VMCS_GUEST_CR0 0x00006800 258 #define VMCS_GUEST_CR3 0x00006802 259 #define VMCS_GUEST_CR4 0x00006804 260 #define VMCS_GUEST_ES_BASE 0x00006806 261 #define VMCS_GUEST_CS_BASE 0x00006808 262 #define VMCS_GUEST_SS_BASE 0x0000680A 263 #define VMCS_GUEST_DS_BASE 0x0000680C 264 #define VMCS_GUEST_FS_BASE 0x0000680E 265 #define VMCS_GUEST_GS_BASE 0x00006810 266 #define VMCS_GUEST_LDTR_BASE 0x00006812 267 #define VMCS_GUEST_TR_BASE 0x00006814 268 #define VMCS_GUEST_GDTR_BASE 0x00006816 269 #define VMCS_GUEST_IDTR_BASE 0x00006818 270 #define VMCS_GUEST_DR7 0x0000681A 271 #define VMCS_GUEST_RSP 0x0000681C 272 #define VMCS_GUEST_RIP 0x0000681E 273 #define VMCS_GUEST_RFLAGS 0x00006820 274 #define VMCS_GUEST_PENDING_DBG_EXCEPTIONS 0x00006822 275 #define VMCS_GUEST_IA32_SYSENTER_ESP 0x00006824 276 #define VMCS_GUEST_IA32_SYSENTER_EIP 0x00006826 277 278 /* Natural Width host-state fields */ 279 #define VMCS_HOST_CR0 0x00006C00 280 #define VMCS_HOST_CR3 0x00006C02 281 #define VMCS_HOST_CR4 0x00006C04 282 #define VMCS_HOST_FS_BASE 0x00006C06 283 #define VMCS_HOST_GS_BASE 0x00006C08 284 #define VMCS_HOST_TR_BASE 0x00006C0A 285 #define VMCS_HOST_GDTR_BASE 0x00006C0C 286 #define VMCS_HOST_IDTR_BASE 0x00006C0E 287 #define VMCS_HOST_IA32_SYSENTER_ESP 0x00006C10 288 #define VMCS_HOST_IA32_SYSENTER_EIP 0x00006C12 289 #define VMCS_HOST_RSP 0x00006C14 290 #define VMCS_HOST_RIP 0x00006c16 291 292 /* 293 * VM instruction error numbers 294 */ 295 #define VMRESUME_WITH_NON_LAUNCHED_VMCS 5 296 297 /* 298 * VMCS exit reasons 299 */ 300 #define EXIT_REASON_EXCEPTION 0 301 #define EXIT_REASON_EXT_INTR 1 302 #define EXIT_REASON_TRIPLE_FAULT 2 303 #define EXIT_REASON_INIT 3 304 #define EXIT_REASON_SIPI 4 305 #define EXIT_REASON_IO_SMI 5 306 #define EXIT_REASON_SMI 6 307 #define EXIT_REASON_INTR_WINDOW 7 308 #define EXIT_REASON_NMI_WINDOW 8 309 #define EXIT_REASON_TASK_SWITCH 9 310 #define EXIT_REASON_CPUID 10 311 #define EXIT_REASON_GETSEC 11 312 #define EXIT_REASON_HLT 12 313 #define EXIT_REASON_INVD 13 314 #define EXIT_REASON_INVLPG 14 315 #define EXIT_REASON_RDPMC 15 316 #define EXIT_REASON_RDTSC 16 317 #define EXIT_REASON_RSM 17 318 #define EXIT_REASON_VMCALL 18 319 #define EXIT_REASON_VMCLEAR 19 320 #define EXIT_REASON_VMLAUNCH 20 321 #define EXIT_REASON_VMPTRLD 21 322 #define EXIT_REASON_VMPTRST 22 323 #define EXIT_REASON_VMREAD 23 324 #define EXIT_REASON_VMRESUME 24 325 #define EXIT_REASON_VMWRITE 25 326 #define EXIT_REASON_VMXOFF 26 327 #define EXIT_REASON_VMXON 27 328 #define EXIT_REASON_CR_ACCESS 28 329 #define EXIT_REASON_DR_ACCESS 29 330 #define EXIT_REASON_INOUT 30 331 #define EXIT_REASON_RDMSR 31 332 #define EXIT_REASON_WRMSR 32 333 #define EXIT_REASON_INVAL_VMCS 33 334 #define EXIT_REASON_INVAL_MSR 34 335 #define EXIT_REASON_MWAIT 36 336 #define EXIT_REASON_MTF 37 337 #define EXIT_REASON_MONITOR 39 338 #define EXIT_REASON_PAUSE 40 339 #define EXIT_REASON_MCE_DURING_ENTRY 41 340 #define EXIT_REASON_TPR 43 341 #define EXIT_REASON_APIC_ACCESS 44 342 #define EXIT_REASON_VIRTUALIZED_EOI 45 343 #define EXIT_REASON_GDTR_IDTR 46 344 #define EXIT_REASON_LDTR_TR 47 345 #define EXIT_REASON_EPT_FAULT 48 346 #define EXIT_REASON_EPT_MISCONFIG 49 347 #define EXIT_REASON_INVEPT 50 348 #define EXIT_REASON_RDTSCP 51 349 #define EXIT_REASON_VMX_PREEMPT 52 350 #define EXIT_REASON_INVVPID 53 351 #define EXIT_REASON_WBINVD 54 352 #define EXIT_REASON_XSETBV 55 353 #define EXIT_REASON_APIC_WRITE 56 354 #define EXIT_REASON_RDRAND 57 355 #define EXIT_REASON_INVPCID 58 356 #define EXIT_REASON_VMFUNC 59 357 #define EXIT_REASON_ENCLS 60 358 #define EXIT_REASON_RDSEED 61 359 #define EXIT_REASON_PM_LOG_FULL 62 360 #define EXIT_REASON_XSAVES 63 361 #define EXIT_REASON_XRSTORS 64 362 363 /* 364 * NMI unblocking due to IRET. 365 * 366 * Applies to VM-exits due to hardware exception or EPT fault. 367 */ 368 #define EXIT_QUAL_NMIUDTI (1 << 12) 369 /* 370 * VMCS interrupt information fields 371 */ 372 #define VMCS_INTR_VALID (1U << 31) 373 #define VMCS_INTR_T_MASK 0x700 /* Interruption-info type */ 374 #define VMCS_INTR_T_HWINTR (0 << 8) 375 #define VMCS_INTR_T_NMI (2 << 8) 376 #define VMCS_INTR_T_HWEXCEPTION (3 << 8) 377 #define VMCS_INTR_T_SWINTR (4 << 8) 378 #define VMCS_INTR_T_PRIV_SWEXCEPTION (5 << 8) 379 #define VMCS_INTR_T_SWEXCEPTION (6 << 8) 380 #define VMCS_INTR_DEL_ERRCODE (1 << 11) 381 382 /* 383 * VMCS IDT-Vectoring information fields 384 */ 385 #define VMCS_IDT_VEC_VALID (1U << 31) 386 #define VMCS_IDT_VEC_ERRCODE_VALID (1 << 11) 387 388 /* 389 * VMCS Guest interruptibility field 390 */ 391 #define VMCS_INTERRUPTIBILITY_STI_BLOCKING (1 << 0) 392 #define VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING (1 << 1) 393 #define VMCS_INTERRUPTIBILITY_SMI_BLOCKING (1 << 2) 394 #define VMCS_INTERRUPTIBILITY_NMI_BLOCKING (1 << 3) 395 396 /* 397 * Exit qualification for EXIT_REASON_INVAL_VMCS 398 */ 399 #define EXIT_QUAL_NMI_WHILE_STI_BLOCKING 3 400 401 /* 402 * Exit qualification for EPT violation 403 */ 404 #define EPT_VIOLATION_DATA_READ (1UL << 0) 405 #define EPT_VIOLATION_DATA_WRITE (1UL << 1) 406 #define EPT_VIOLATION_INST_FETCH (1UL << 2) 407 #define EPT_VIOLATION_GPA_READABLE (1UL << 3) 408 #define EPT_VIOLATION_GPA_WRITEABLE (1UL << 4) 409 #define EPT_VIOLATION_GPA_EXECUTABLE (1UL << 5) 410 #define EPT_VIOLATION_GLA_VALID (1UL << 7) 411 #define EPT_VIOLATION_XLAT_VALID (1UL << 8) 412 413 /* 414 * Exit qualification for APIC-access VM exit 415 */ 416 #define APIC_ACCESS_OFFSET(qual) ((qual) & 0xFFF) 417 #define APIC_ACCESS_TYPE(qual) (((qual) >> 12) & 0xF) 418 419 /* 420 * Exit qualification for APIC-write VM exit 421 */ 422 #define APIC_WRITE_OFFSET(qual) ((qual) & 0xFFF) 423 424 #endif
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