vmm.h revision 266626
1221828Sgrehan/*- 2221828Sgrehan * Copyright (c) 2011 NetApp, Inc. 3221828Sgrehan * All rights reserved. 4221828Sgrehan * 5221828Sgrehan * Redistribution and use in source and binary forms, with or without 6221828Sgrehan * modification, are permitted provided that the following conditions 7221828Sgrehan * are met: 8221828Sgrehan * 1. Redistributions of source code must retain the above copyright 9221828Sgrehan * notice, this list of conditions and the following disclaimer. 10221828Sgrehan * 2. Redistributions in binary form must reproduce the above copyright 11221828Sgrehan * notice, this list of conditions and the following disclaimer in the 12221828Sgrehan * documentation and/or other materials provided with the distribution. 13221828Sgrehan * 14221828Sgrehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15221828Sgrehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16221828Sgrehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17221828Sgrehan * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18221828Sgrehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19221828Sgrehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20221828Sgrehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21221828Sgrehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22221828Sgrehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23221828Sgrehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24221828Sgrehan * SUCH DAMAGE. 25221828Sgrehan * 26245678Sneel * $FreeBSD: head/sys/amd64/include/vmm.h 266626 2014-05-24 19:13:25Z neel $ 27221828Sgrehan */ 28221828Sgrehan 29221828Sgrehan#ifndef _VMM_H_ 30221828Sgrehan#define _VMM_H_ 31221828Sgrehan 32265062Sneelenum vm_suspend_how { 33265062Sneel VM_SUSPEND_NONE, 34265062Sneel VM_SUSPEND_RESET, 35265062Sneel VM_SUSPEND_POWEROFF, 36265203Sneel VM_SUSPEND_HALT, 37265062Sneel VM_SUSPEND_LAST 38265062Sneel}; 39265062Sneel 40221828Sgrehan#ifdef _KERNEL 41221828Sgrehan 42221828Sgrehan#define VM_MAX_NAMELEN 32 43221828Sgrehan 44221828Sgrehanstruct vm; 45262506Sneelstruct vm_exception; 46221828Sgrehanstruct vm_memory_segment; 47221828Sgrehanstruct seg_desc; 48221828Sgrehanstruct vm_exit; 49221828Sgrehanstruct vm_run; 50258579Sneelstruct vhpet; 51258075Sneelstruct vioapic; 52221828Sgrehanstruct vlapic; 53256072Sneelstruct vmspace; 54256072Sneelstruct vm_object; 55256072Sneelstruct pmap; 56221828Sgrehan 57266573Sneelenum vm_reg_name; 58240922Sneelenum x2apic_state; 59240922Sneel 60260466Sneeltypedef int (*vmm_init_func_t)(int ipinum); 61221828Sgrehantypedef int (*vmm_cleanup_func_t)(void); 62259782Sjhbtypedef void (*vmm_resume_func_t)(void); 63256072Sneeltypedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap); 64256072Sneeltypedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip, 65263780Sneel struct pmap *pmap, void *rendezvous_cookie, 66263780Sneel void *suspend_cookie); 67221828Sgrehantypedef void (*vmi_cleanup_func_t)(void *vmi); 68221828Sgrehantypedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num, 69221828Sgrehan uint64_t *retval); 70221828Sgrehantypedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num, 71221828Sgrehan uint64_t val); 72221828Sgrehantypedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num, 73221828Sgrehan struct seg_desc *desc); 74221828Sgrehantypedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num, 75221828Sgrehan struct seg_desc *desc); 76221828Sgrehantypedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval); 77221828Sgrehantypedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val); 78256072Sneeltypedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max); 79256072Sneeltypedef void (*vmi_vmspace_free)(struct vmspace *vmspace); 80259863Sneeltypedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu); 81259863Sneeltypedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic); 82221828Sgrehan 83221828Sgrehanstruct vmm_ops { 84221828Sgrehan vmm_init_func_t init; /* module wide initialization */ 85221828Sgrehan vmm_cleanup_func_t cleanup; 86259782Sjhb vmm_resume_func_t resume; 87221828Sgrehan 88221828Sgrehan vmi_init_func_t vminit; /* vm-specific initialization */ 89221828Sgrehan vmi_run_func_t vmrun; 90221828Sgrehan vmi_cleanup_func_t vmcleanup; 91221828Sgrehan vmi_get_register_t vmgetreg; 92221828Sgrehan vmi_set_register_t vmsetreg; 93221828Sgrehan vmi_get_desc_t vmgetdesc; 94221828Sgrehan vmi_set_desc_t vmsetdesc; 95221828Sgrehan vmi_get_cap_t vmgetcap; 96221828Sgrehan vmi_set_cap_t vmsetcap; 97256072Sneel vmi_vmspace_alloc vmspace_alloc; 98256072Sneel vmi_vmspace_free vmspace_free; 99259863Sneel vmi_vlapic_init vlapic_init; 100259863Sneel vmi_vlapic_cleanup vlapic_cleanup; 101221828Sgrehan}; 102221828Sgrehan 103221828Sgrehanextern struct vmm_ops vmm_ops_intel; 104221828Sgrehanextern struct vmm_ops vmm_ops_amd; 105221828Sgrehan 106249396Sneelint vm_create(const char *name, struct vm **retvm); 107221828Sgrehanvoid vm_destroy(struct vm *vm); 108221828Sgrehanconst char *vm_name(struct vm *vm); 109241041Sneelint vm_malloc(struct vm *vm, vm_paddr_t gpa, size_t len); 110221828Sgrehanint vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa); 111221828Sgrehanint vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len); 112256072Sneelvoid *vm_gpa_hold(struct vm *, vm_paddr_t gpa, size_t len, int prot, 113256072Sneel void **cookie); 114256072Sneelvoid vm_gpa_release(void *cookie); 115221828Sgrehanint vm_gpabase2memseg(struct vm *vm, vm_paddr_t gpabase, 116221828Sgrehan struct vm_memory_segment *seg); 117256072Sneelint vm_get_memobj(struct vm *vm, vm_paddr_t gpa, size_t len, 118256072Sneel vm_offset_t *offset, struct vm_object **object); 119256072Sneelboolean_t vm_mem_allocated(struct vm *vm, vm_paddr_t gpa); 120221828Sgrehanint vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval); 121221828Sgrehanint vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val); 122221828Sgrehanint vm_get_seg_desc(struct vm *vm, int vcpu, int reg, 123221828Sgrehan struct seg_desc *ret_desc); 124221828Sgrehanint vm_set_seg_desc(struct vm *vm, int vcpu, int reg, 125221828Sgrehan struct seg_desc *desc); 126221828Sgrehanint vm_run(struct vm *vm, struct vm_run *vmrun); 127265062Sneelint vm_suspend(struct vm *vm, enum vm_suspend_how how); 128221828Sgrehanint vm_inject_nmi(struct vm *vm, int vcpu); 129241982Sneelint vm_nmi_pending(struct vm *vm, int vcpuid); 130241982Sneelvoid vm_nmi_clear(struct vm *vm, int vcpuid); 131263211Stychonint vm_inject_extint(struct vm *vm, int vcpu); 132263211Stychonint vm_extint_pending(struct vm *vm, int vcpuid); 133263211Stychonvoid vm_extint_clear(struct vm *vm, int vcpuid); 134221828Sgrehanuint64_t *vm_guest_msrs(struct vm *vm, int cpu); 135221828Sgrehanstruct vlapic *vm_lapic(struct vm *vm, int cpu); 136258075Sneelstruct vioapic *vm_ioapic(struct vm *vm); 137258579Sneelstruct vhpet *vm_hpet(struct vm *vm); 138221828Sgrehanint vm_get_capability(struct vm *vm, int vcpu, int type, int *val); 139221828Sgrehanint vm_set_capability(struct vm *vm, int vcpu, int type, int val); 140240922Sneelint vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state); 141240922Sneelint vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state); 142258075Sneelint vm_apicid2vcpuid(struct vm *vm, int apicid); 143221828Sgrehanvoid vm_activate_cpu(struct vm *vm, int vcpu); 144223621Sgrehancpuset_t vm_active_cpus(struct vm *vm); 145240894Sneelstruct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid); 146265062Sneelvoid vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip); 147221828Sgrehan 148221828Sgrehan/* 149260619Sneel * Rendezvous all vcpus specified in 'dest' and execute 'func(arg)'. 150260619Sneel * The rendezvous 'func(arg)' is not allowed to do anything that will 151260619Sneel * cause the thread to be put to sleep. 152260619Sneel * 153260619Sneel * If the rendezvous is being initiated from a vcpu context then the 154260619Sneel * 'vcpuid' must refer to that vcpu, otherwise it should be set to -1. 155260619Sneel * 156260619Sneel * The caller cannot hold any locks when initiating the rendezvous. 157260619Sneel * 158260619Sneel * The implementation of this API may cause vcpus other than those specified 159260619Sneel * by 'dest' to be stalled. The caller should not rely on any vcpus making 160260619Sneel * forward progress when the rendezvous is in progress. 161260619Sneel */ 162260619Sneeltypedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg); 163260619Sneelvoid vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest, 164260619Sneel vm_rendezvous_func_t func, void *arg); 165260619Sneel 166260619Sneelstatic __inline int 167260619Sneelvcpu_rendezvous_pending(void *rendezvous_cookie) 168260619Sneel{ 169260619Sneel 170260619Sneel return (*(uintptr_t *)rendezvous_cookie != 0); 171260619Sneel} 172260619Sneel 173263780Sneelstatic __inline int 174263780Sneelvcpu_suspended(void *suspend_cookie) 175263780Sneel{ 176263780Sneel 177263780Sneel return (*(int *)suspend_cookie); 178263780Sneel} 179263780Sneel 180260619Sneel/* 181221828Sgrehan * Return 1 if device indicated by bus/slot/func is supposed to be a 182221828Sgrehan * pci passthrough device. 183221828Sgrehan * 184221828Sgrehan * Return 0 otherwise. 185221828Sgrehan */ 186221828Sgrehanint vmm_is_pptdev(int bus, int slot, int func); 187221828Sgrehan 188221828Sgrehanvoid *vm_iommu_domain(struct vm *vm); 189221828Sgrehan 190241489Sneelenum vcpu_state { 191241489Sneel VCPU_IDLE, 192256072Sneel VCPU_FROZEN, 193241489Sneel VCPU_RUNNING, 194256072Sneel VCPU_SLEEPING, 195241489Sneel}; 196221828Sgrehan 197259737Sneelint vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state, 198259737Sneel bool from_idle); 199249879Sgrehanenum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu); 200221828Sgrehan 201221828Sgrehanstatic int __inline 202249879Sgrehanvcpu_is_running(struct vm *vm, int vcpu, int *hostcpu) 203221828Sgrehan{ 204249879Sgrehan return (vcpu_get_state(vm, vcpu, hostcpu) == VCPU_RUNNING); 205221828Sgrehan} 206221828Sgrehan 207241489Sneelvoid *vcpu_stats(struct vm *vm, int vcpu); 208259863Sneelvoid vcpu_notify_event(struct vm *vm, int vcpuid, bool lapic_intr); 209256072Sneelstruct vmspace *vm_get_vmspace(struct vm *vm); 210256072Sneelint vm_assign_pptdev(struct vm *vm, int bus, int slot, int func); 211256072Sneelint vm_unassign_pptdev(struct vm *vm, int bus, int slot, int func); 212263035Stychonstruct vatpic *vm_atpic(struct vm *vm); 213263744Stychonstruct vatpit *vm_atpit(struct vm *vm); 214262506Sneel 215262506Sneel/* 216262506Sneel * Inject exception 'vme' into the guest vcpu. This function returns 0 on 217262506Sneel * success and non-zero on failure. 218262506Sneel * 219262506Sneel * Wrapper functions like 'vm_inject_gp()' should be preferred to calling 220262506Sneel * this function directly because they enforce the trap-like or fault-like 221262506Sneel * behavior of an exception. 222262506Sneel * 223262506Sneel * This function should only be called in the context of the thread that is 224262506Sneel * executing this vcpu. 225262506Sneel */ 226262506Sneelint vm_inject_exception(struct vm *vm, int vcpuid, struct vm_exception *vme); 227262506Sneel 228262506Sneel/* 229262506Sneel * Returns 0 if there is no exception pending for this vcpu. Returns 1 if an 230262506Sneel * exception is pending and also updates 'vme'. The pending exception is 231262506Sneel * cleared when this function returns. 232262506Sneel * 233262506Sneel * This function should only be called in the context of the thread that is 234262506Sneel * executing this vcpu. 235262506Sneel */ 236262506Sneelint vm_exception_pending(struct vm *vm, int vcpuid, struct vm_exception *vme); 237262506Sneel 238262506Sneelvoid vm_inject_gp(struct vm *vm, int vcpuid); /* general protection fault */ 239262506Sneelvoid vm_inject_ud(struct vm *vm, int vcpuid); /* undefined instruction fault */ 240266626Sneelvoid vm_inject_pf(struct vm *vm, int vcpuid, int error_code, uint64_t cr2); 241262506Sneel 242266573Sneelenum vm_reg_name vm_segment_name(int seg_encoding); 243266573Sneel 244221828Sgrehan#endif /* KERNEL */ 245221828Sgrehan 246243640Sneel#include <machine/vmm_instruction_emul.h> 247243640Sneel 248255438Sgrehan#define VM_MAXCPU 16 /* maximum virtual cpus */ 249221828Sgrehan 250221828Sgrehan/* 251221828Sgrehan * Identifiers for architecturally defined registers. 252221828Sgrehan */ 253221828Sgrehanenum vm_reg_name { 254221828Sgrehan VM_REG_GUEST_RAX, 255221828Sgrehan VM_REG_GUEST_RBX, 256221828Sgrehan VM_REG_GUEST_RCX, 257221828Sgrehan VM_REG_GUEST_RDX, 258221828Sgrehan VM_REG_GUEST_RSI, 259221828Sgrehan VM_REG_GUEST_RDI, 260221828Sgrehan VM_REG_GUEST_RBP, 261221828Sgrehan VM_REG_GUEST_R8, 262221828Sgrehan VM_REG_GUEST_R9, 263221828Sgrehan VM_REG_GUEST_R10, 264221828Sgrehan VM_REG_GUEST_R11, 265221828Sgrehan VM_REG_GUEST_R12, 266221828Sgrehan VM_REG_GUEST_R13, 267221828Sgrehan VM_REG_GUEST_R14, 268221828Sgrehan VM_REG_GUEST_R15, 269221828Sgrehan VM_REG_GUEST_CR0, 270221828Sgrehan VM_REG_GUEST_CR3, 271221828Sgrehan VM_REG_GUEST_CR4, 272221828Sgrehan VM_REG_GUEST_DR7, 273221828Sgrehan VM_REG_GUEST_RSP, 274221828Sgrehan VM_REG_GUEST_RIP, 275221828Sgrehan VM_REG_GUEST_RFLAGS, 276221828Sgrehan VM_REG_GUEST_ES, 277221828Sgrehan VM_REG_GUEST_CS, 278221828Sgrehan VM_REG_GUEST_SS, 279221828Sgrehan VM_REG_GUEST_DS, 280221828Sgrehan VM_REG_GUEST_FS, 281221828Sgrehan VM_REG_GUEST_GS, 282221828Sgrehan VM_REG_GUEST_LDTR, 283221828Sgrehan VM_REG_GUEST_TR, 284221828Sgrehan VM_REG_GUEST_IDTR, 285221828Sgrehan VM_REG_GUEST_GDTR, 286221828Sgrehan VM_REG_GUEST_EFER, 287266626Sneel VM_REG_GUEST_CR2, 288221828Sgrehan VM_REG_LAST 289221828Sgrehan}; 290221828Sgrehan 291221828Sgrehan/* 292221828Sgrehan * Identifiers for optional vmm capabilities 293221828Sgrehan */ 294221828Sgrehanenum vm_cap_type { 295221828Sgrehan VM_CAP_HALT_EXIT, 296221828Sgrehan VM_CAP_MTRAP_EXIT, 297221828Sgrehan VM_CAP_PAUSE_EXIT, 298221828Sgrehan VM_CAP_UNRESTRICTED_GUEST, 299256645Sneel VM_CAP_ENABLE_INVPCID, 300221828Sgrehan VM_CAP_MAX 301221828Sgrehan}; 302221828Sgrehan 303240922Sneelenum x2apic_state { 304262236Sneel X2APIC_DISABLED, 305240922Sneel X2APIC_ENABLED, 306240922Sneel X2APIC_STATE_LAST 307240922Sneel}; 308240922Sneel 309266125Sjhbenum vm_intr_trigger { 310266125Sjhb EDGE_TRIGGER, 311266125Sjhb LEVEL_TRIGGER 312266125Sjhb}; 313266125Sjhb 314221828Sgrehan/* 315221828Sgrehan * The 'access' field has the format specified in Table 21-2 of the Intel 316221828Sgrehan * Architecture Manual vol 3b. 317221828Sgrehan * 318221828Sgrehan * XXX The contents of the 'access' field are architecturally defined except 319221828Sgrehan * bit 16 - Segment Unusable. 320221828Sgrehan */ 321221828Sgrehanstruct seg_desc { 322221828Sgrehan uint64_t base; 323221828Sgrehan uint32_t limit; 324221828Sgrehan uint32_t access; 325221828Sgrehan}; 326221828Sgrehan 327221828Sgrehanenum vm_exitcode { 328221828Sgrehan VM_EXITCODE_INOUT, 329221828Sgrehan VM_EXITCODE_VMX, 330221828Sgrehan VM_EXITCODE_BOGUS, 331221828Sgrehan VM_EXITCODE_RDMSR, 332221828Sgrehan VM_EXITCODE_WRMSR, 333221828Sgrehan VM_EXITCODE_HLT, 334221828Sgrehan VM_EXITCODE_MTRAP, 335221828Sgrehan VM_EXITCODE_PAUSE, 336234761Sgrehan VM_EXITCODE_PAGING, 337256072Sneel VM_EXITCODE_INST_EMUL, 338240912Sneel VM_EXITCODE_SPINUP_AP, 339265101Sneel VM_EXITCODE_DEPRECATED1, /* used to be SPINDOWN_CPU */ 340260619Sneel VM_EXITCODE_RENDEZVOUS, 341261170Sneel VM_EXITCODE_IOAPIC_EOI, 342263780Sneel VM_EXITCODE_SUSPENDED, 343266573Sneel VM_EXITCODE_INOUT_STR, 344234761Sgrehan VM_EXITCODE_MAX 345221828Sgrehan}; 346221828Sgrehan 347266573Sneelstruct vm_inout { 348266573Sneel uint16_t bytes:3; /* 1 or 2 or 4 */ 349266573Sneel uint16_t in:1; 350266573Sneel uint16_t string:1; 351266573Sneel uint16_t rep:1; 352266573Sneel uint16_t port; 353266573Sneel uint32_t eax; /* valid for out */ 354266573Sneel}; 355266573Sneel 356266573Sneelstruct vm_inout_str { 357266573Sneel struct vm_inout inout; /* must be the first element */ 358266573Sneel enum vie_cpu_mode cpu_mode; 359266573Sneel enum vie_paging_mode paging_mode; 360266573Sneel uint64_t rflags; 361266573Sneel uint64_t cr0; 362266573Sneel uint64_t cr3; 363266573Sneel uint64_t index; 364266573Sneel uint64_t count; /* rep=1 (%rcx), rep=0 (1) */ 365266573Sneel int cpl; 366266573Sneel int addrsize; 367266573Sneel enum vm_reg_name seg_name; 368266573Sneel struct seg_desc seg_desc; 369266573Sneel uint64_t gla; /* may be set to VIE_INVALID_GLA */ 370266573Sneel uint64_t gpa; 371266573Sneel}; 372266573Sneel 373221828Sgrehanstruct vm_exit { 374221828Sgrehan enum vm_exitcode exitcode; 375221828Sgrehan int inst_length; /* 0 means unknown */ 376221828Sgrehan uint64_t rip; 377221828Sgrehan union { 378266573Sneel struct vm_inout inout; 379266573Sneel struct vm_inout_str inout_str; 380221828Sgrehan struct { 381241497Sgrehan uint64_t gpa; 382256072Sneel int fault_type; 383256072Sneel } paging; 384256072Sneel struct { 385256072Sneel uint64_t gpa; 386256072Sneel uint64_t gla; 387256072Sneel uint64_t cr3; 388261504Sjhb enum vie_cpu_mode cpu_mode; 389261504Sjhb enum vie_paging_mode paging_mode; 390266424Sneel int cpl; 391243640Sneel struct vie vie; 392256072Sneel } inst_emul; 393221828Sgrehan /* 394221828Sgrehan * VMX specific payload. Used when there is no "better" 395221828Sgrehan * exitcode to represent the VM-exit. 396221828Sgrehan */ 397221828Sgrehan struct { 398260167Sneel int status; /* vmx inst status */ 399260167Sneel /* 400260167Sneel * 'exit_reason' and 'exit_qualification' are valid 401260167Sneel * only if 'status' is zero. 402260167Sneel */ 403221828Sgrehan uint32_t exit_reason; 404221828Sgrehan uint64_t exit_qualification; 405260167Sneel /* 406260167Sneel * 'inst_error' and 'inst_type' are valid 407260167Sneel * only if 'status' is non-zero. 408260167Sneel */ 409260167Sneel int inst_type; 410260167Sneel int inst_error; 411221828Sgrehan } vmx; 412221828Sgrehan struct { 413221828Sgrehan uint32_t code; /* ecx value */ 414221828Sgrehan uint64_t wval; 415221828Sgrehan } msr; 416240912Sneel struct { 417240912Sneel int vcpu; 418240912Sneel uint64_t rip; 419240912Sneel } spinup_ap; 420259081Sneel struct { 421259081Sneel uint64_t rflags; 422259081Sneel } hlt; 423261170Sneel struct { 424261170Sneel int vector; 425261170Sneel } ioapic_eoi; 426265062Sneel struct { 427265062Sneel enum vm_suspend_how how; 428265062Sneel } suspended; 429221828Sgrehan } u; 430221828Sgrehan}; 431221828Sgrehan 432221828Sgrehan#endif /* _VMM_H_ */ 433