vmm.h revision 276479
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 276479 2014-12-31 20:31:32Z dim $ 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_GUEST_INTR_SHADOW, 86 VM_REG_LAST 87}; 88 89enum 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 109struct vm; 110struct vm_exception; 111struct vm_memory_segment; 112struct seg_desc; 113struct vm_exit; 114struct vm_run; 115struct vhpet; 116struct vioapic; 117struct vlapic; 118struct vmspace; 119struct vm_object; 120struct vm_guest_paging; 121struct pmap; 122 123typedef int (*vmm_init_func_t)(int ipinum); 124typedef int (*vmm_cleanup_func_t)(void); 125typedef void (*vmm_resume_func_t)(void); 126typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap); 127typedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip, 128 struct pmap *pmap, void *rendezvous_cookie, 129 void *suspend_cookie); 130typedef void (*vmi_cleanup_func_t)(void *vmi); 131typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num, 132 uint64_t *retval); 133typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num, 134 uint64_t val); 135typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num, 136 struct seg_desc *desc); 137typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num, 138 struct seg_desc *desc); 139typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval); 140typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val); 141typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max); 142typedef void (*vmi_vmspace_free)(struct vmspace *vmspace); 143typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu); 144typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic); 145 146struct 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 166extern struct vmm_ops vmm_ops_intel; 167extern struct vmm_ops vmm_ops_amd; 168 169int vm_create(const char *name, struct vm **retvm); 170void vm_destroy(struct vm *vm); 171int vm_reinit(struct vm *vm); 172const char *vm_name(struct vm *vm); 173int vm_malloc(struct vm *vm, vm_paddr_t gpa, size_t len); 174int vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa); 175int vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len); 176void *vm_gpa_hold(struct vm *, vm_paddr_t gpa, size_t len, int prot, 177 void **cookie); 178void vm_gpa_release(void *cookie); 179int vm_gpabase2memseg(struct vm *vm, vm_paddr_t gpabase, 180 struct vm_memory_segment *seg); 181int vm_get_memobj(struct vm *vm, vm_paddr_t gpa, size_t len, 182 vm_offset_t *offset, struct vm_object **object); 183boolean_t vm_mem_allocated(struct vm *vm, vm_paddr_t gpa); 184int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval); 185int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val); 186int vm_get_seg_desc(struct vm *vm, int vcpu, int reg, 187 struct seg_desc *ret_desc); 188int vm_set_seg_desc(struct vm *vm, int vcpu, int reg, 189 struct seg_desc *desc); 190int vm_run(struct vm *vm, struct vm_run *vmrun); 191int vm_suspend(struct vm *vm, enum vm_suspend_how how); 192int vm_inject_nmi(struct vm *vm, int vcpu); 193int vm_nmi_pending(struct vm *vm, int vcpuid); 194void vm_nmi_clear(struct vm *vm, int vcpuid); 195int vm_inject_extint(struct vm *vm, int vcpu); 196int vm_extint_pending(struct vm *vm, int vcpuid); 197void vm_extint_clear(struct vm *vm, int vcpuid); 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); 288struct vpmtmr *vm_pmtmr(struct vm *vm); 289struct vrtc *vm_rtc(struct vm *vm); 290 291/* 292 * Inject exception 'vme' into the guest vcpu. This function returns 0 on 293 * success and non-zero on failure. 294 * 295 * Wrapper functions like 'vm_inject_gp()' should be preferred to calling 296 * this function directly because they enforce the trap-like or fault-like 297 * behavior of an exception. 298 * 299 * This function should only be called in the context of the thread that is 300 * executing this vcpu. 301 */ 302int vm_inject_exception(struct vm *vm, int vcpuid, struct vm_exception *vme); 303 304/* 305 * This function is called after a VM-exit that occurred during exception or 306 * interrupt delivery through the IDT. The format of 'intinfo' is described 307 * in Figure 15-1, "EXITINTINFO for All Intercepts", APM, Vol 2. 308 * 309 * If a VM-exit handler completes the event delivery successfully then it 310 * should call vm_exit_intinfo() to extinguish the pending event. For e.g., 311 * if the task switch emulation is triggered via a task gate then it should 312 * call this function with 'intinfo=0' to indicate that the external event 313 * is not pending anymore. 314 * 315 * Return value is 0 on success and non-zero on failure. 316 */ 317int vm_exit_intinfo(struct vm *vm, int vcpuid, uint64_t intinfo); 318 319/* 320 * This function is called before every VM-entry to retrieve a pending 321 * event that should be injected into the guest. This function combines 322 * nested events into a double or triple fault. 323 * 324 * Returns 0 if there are no events that need to be injected into the guest 325 * and non-zero otherwise. 326 */ 327int vm_entry_intinfo(struct vm *vm, int vcpuid, uint64_t *info); 328 329int vm_get_intinfo(struct vm *vm, int vcpuid, uint64_t *info1, uint64_t *info2); 330 331enum vm_reg_name vm_segment_name(int seg_encoding); 332 333struct vm_copyinfo { 334 uint64_t gpa; 335 size_t len; 336 void *hva; 337 void *cookie; 338}; 339 340/* 341 * Set up 'copyinfo[]' to copy to/from guest linear address space starting 342 * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for 343 * a copyin or PROT_WRITE for a copyout. 344 * 345 * Returns 0 on success. 346 * Returns 1 if an exception was injected into the guest. 347 * Returns -1 otherwise. 348 * 349 * The 'copyinfo[]' can be passed to 'vm_copyin()' or 'vm_copyout()' only if 350 * the return value is 0. The 'copyinfo[]' resources should be freed by calling 351 * 'vm_copy_teardown()' after the copy is done. 352 */ 353int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging, 354 uint64_t gla, size_t len, int prot, struct vm_copyinfo *copyinfo, 355 int num_copyinfo); 356void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, 357 int num_copyinfo); 358void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, 359 void *kaddr, size_t len); 360void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr, 361 struct vm_copyinfo *copyinfo, size_t len); 362 363int vcpu_trace_exceptions(struct vm *vm, int vcpuid); 364#endif /* KERNEL */ 365 366#define VM_MAXCPU 16 /* maximum virtual cpus */ 367 368/* 369 * Identifiers for optional vmm capabilities 370 */ 371enum vm_cap_type { 372 VM_CAP_HALT_EXIT, 373 VM_CAP_MTRAP_EXIT, 374 VM_CAP_PAUSE_EXIT, 375 VM_CAP_UNRESTRICTED_GUEST, 376 VM_CAP_ENABLE_INVPCID, 377 VM_CAP_MAX 378}; 379 380enum vm_intr_trigger { 381 EDGE_TRIGGER, 382 LEVEL_TRIGGER 383}; 384 385/* 386 * The 'access' field has the format specified in Table 21-2 of the Intel 387 * Architecture Manual vol 3b. 388 * 389 * XXX The contents of the 'access' field are architecturally defined except 390 * bit 16 - Segment Unusable. 391 */ 392struct seg_desc { 393 uint64_t base; 394 uint32_t limit; 395 uint32_t access; 396}; 397#define SEG_DESC_TYPE(access) ((access) & 0x001f) 398#define SEG_DESC_DPL(access) (((access) >> 5) & 0x3) 399#define SEG_DESC_PRESENT(access) (((access) & 0x0080) ? 1 : 0) 400#define SEG_DESC_DEF32(access) (((access) & 0x4000) ? 1 : 0) 401#define SEG_DESC_GRANULARITY(access) (((access) & 0x8000) ? 1 : 0) 402#define SEG_DESC_UNUSABLE(access) (((access) & 0x10000) ? 1 : 0) 403 404enum vm_cpu_mode { 405 CPU_MODE_REAL, 406 CPU_MODE_PROTECTED, 407 CPU_MODE_COMPATIBILITY, /* IA-32E mode (CS.L = 0) */ 408 CPU_MODE_64BIT, /* IA-32E mode (CS.L = 1) */ 409}; 410 411enum vm_paging_mode { 412 PAGING_MODE_FLAT, 413 PAGING_MODE_32, 414 PAGING_MODE_PAE, 415 PAGING_MODE_64, 416}; 417 418struct vm_guest_paging { 419 uint64_t cr3; 420 int cpl; 421 enum vm_cpu_mode cpu_mode; 422 enum vm_paging_mode paging_mode; 423}; 424 425/* 426 * The data structures 'vie' and 'vie_op' are meant to be opaque to the 427 * consumers of instruction decoding. The only reason why their contents 428 * need to be exposed is because they are part of the 'vm_exit' structure. 429 */ 430struct vie_op { 431 uint8_t op_byte; /* actual opcode byte */ 432 uint8_t op_type; /* type of operation (e.g. MOV) */ 433 uint16_t op_flags; 434}; 435 436#define VIE_INST_SIZE 15 437struct vie { 438 uint8_t inst[VIE_INST_SIZE]; /* instruction bytes */ 439 uint8_t num_valid; /* size of the instruction */ 440 uint8_t num_processed; 441 442 uint8_t addrsize:4, opsize:4; /* address and operand sizes */ 443 uint8_t rex_w:1, /* REX prefix */ 444 rex_r:1, 445 rex_x:1, 446 rex_b:1, 447 rex_present:1, 448 opsize_override:1, /* Operand size override */ 449 addrsize_override:1; /* Address size override */ 450 451 uint8_t mod:2, /* ModRM byte */ 452 reg:4, 453 rm:4; 454 455 uint8_t ss:2, /* SIB byte */ 456 index:4, 457 base:4; 458 459 uint8_t disp_bytes; 460 uint8_t imm_bytes; 461 462 uint8_t scale; 463 int base_register; /* VM_REG_GUEST_xyz */ 464 int index_register; /* VM_REG_GUEST_xyz */ 465 466 int64_t displacement; /* optional addr displacement */ 467 int64_t immediate; /* optional immediate operand */ 468 469 uint8_t decoded; /* set to 1 if successfully decoded */ 470 471 struct vie_op op; /* opcode description */ 472}; 473 474enum vm_exitcode { 475 VM_EXITCODE_INOUT, 476 VM_EXITCODE_VMX, 477 VM_EXITCODE_BOGUS, 478 VM_EXITCODE_RDMSR, 479 VM_EXITCODE_WRMSR, 480 VM_EXITCODE_HLT, 481 VM_EXITCODE_MTRAP, 482 VM_EXITCODE_PAUSE, 483 VM_EXITCODE_PAGING, 484 VM_EXITCODE_INST_EMUL, 485 VM_EXITCODE_SPINUP_AP, 486 VM_EXITCODE_DEPRECATED1, /* used to be SPINDOWN_CPU */ 487 VM_EXITCODE_RENDEZVOUS, 488 VM_EXITCODE_IOAPIC_EOI, 489 VM_EXITCODE_SUSPENDED, 490 VM_EXITCODE_INOUT_STR, 491 VM_EXITCODE_TASK_SWITCH, 492 VM_EXITCODE_MONITOR, 493 VM_EXITCODE_MWAIT, 494 VM_EXITCODE_SVM, 495 VM_EXITCODE_MAX 496}; 497 498struct vm_inout { 499 uint16_t bytes:3; /* 1 or 2 or 4 */ 500 uint16_t in:1; 501 uint16_t string:1; 502 uint16_t rep:1; 503 uint16_t port; 504 uint32_t eax; /* valid for out */ 505}; 506 507struct vm_inout_str { 508 struct vm_inout inout; /* must be the first element */ 509 struct vm_guest_paging paging; 510 uint64_t rflags; 511 uint64_t cr0; 512 uint64_t index; 513 uint64_t count; /* rep=1 (%rcx), rep=0 (1) */ 514 int addrsize; 515 enum vm_reg_name seg_name; 516 struct seg_desc seg_desc; 517}; 518 519enum task_switch_reason { 520 TSR_CALL, 521 TSR_IRET, 522 TSR_JMP, 523 TSR_IDT_GATE, /* task gate in IDT */ 524}; 525 526struct vm_task_switch { 527 uint16_t tsssel; /* new TSS selector */ 528 int ext; /* task switch due to external event */ 529 uint32_t errcode; 530 int errcode_valid; /* push 'errcode' on the new stack */ 531 enum task_switch_reason reason; 532 struct vm_guest_paging paging; 533}; 534 535struct vm_exit { 536 enum vm_exitcode exitcode; 537 int inst_length; /* 0 means unknown */ 538 uint64_t rip; 539 union { 540 struct vm_inout inout; 541 struct vm_inout_str inout_str; 542 struct { 543 uint64_t gpa; 544 int fault_type; 545 } paging; 546 struct { 547 uint64_t gpa; 548 uint64_t gla; 549 int cs_d; /* CS.D */ 550 struct vm_guest_paging paging; 551 struct vie vie; 552 } inst_emul; 553 /* 554 * VMX specific payload. Used when there is no "better" 555 * exitcode to represent the VM-exit. 556 */ 557 struct { 558 int status; /* vmx inst status */ 559 /* 560 * 'exit_reason' and 'exit_qualification' are valid 561 * only if 'status' is zero. 562 */ 563 uint32_t exit_reason; 564 uint64_t exit_qualification; 565 /* 566 * 'inst_error' and 'inst_type' are valid 567 * only if 'status' is non-zero. 568 */ 569 int inst_type; 570 int inst_error; 571 } vmx; 572 /* 573 * SVM specific payload. 574 */ 575 struct { 576 uint64_t exitcode; 577 uint64_t exitinfo1; 578 uint64_t exitinfo2; 579 } svm; 580 struct { 581 uint32_t code; /* ecx value */ 582 uint64_t wval; 583 } msr; 584 struct { 585 int vcpu; 586 uint64_t rip; 587 } spinup_ap; 588 struct { 589 uint64_t rflags; 590 } hlt; 591 struct { 592 int vector; 593 } ioapic_eoi; 594 struct { 595 enum vm_suspend_how how; 596 } suspended; 597 struct vm_task_switch task_switch; 598 } u; 599}; 600 601/* APIs to inject faults into the guest */ 602void vm_inject_fault(void *vm, int vcpuid, int vector, int errcode_valid, 603 int errcode); 604 605static __inline void 606vm_inject_ud(void *vm, int vcpuid) 607{ 608 vm_inject_fault(vm, vcpuid, IDT_UD, 0, 0); 609} 610 611static __inline void 612vm_inject_gp(void *vm, int vcpuid) 613{ 614 vm_inject_fault(vm, vcpuid, IDT_GP, 1, 0); 615} 616 617static __inline void 618vm_inject_ac(void *vm, int vcpuid, int errcode) 619{ 620 vm_inject_fault(vm, vcpuid, IDT_AC, 1, errcode); 621} 622 623static __inline void 624vm_inject_ss(void *vm, int vcpuid, int errcode) 625{ 626 vm_inject_fault(vm, vcpuid, IDT_SS, 1, errcode); 627} 628 629void vm_inject_pf(void *vm, int vcpuid, int error_code, uint64_t cr2); 630 631#endif /* _VMM_H_ */ 632