1366f6083SPeter Grehan /*- 2c49761ddSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3c49761ddSPedro F. Giffuni * 4366f6083SPeter Grehan * Copyright (c) 2011 NetApp, Inc. 5366f6083SPeter Grehan * All rights reserved. 6366f6083SPeter Grehan * 7366f6083SPeter Grehan * Redistribution and use in source and binary forms, with or without 8366f6083SPeter Grehan * modification, are permitted provided that the following conditions 9366f6083SPeter Grehan * are met: 10366f6083SPeter Grehan * 1. Redistributions of source code must retain the above copyright 11366f6083SPeter Grehan * notice, this list of conditions and the following disclaimer. 12366f6083SPeter Grehan * 2. Redistributions in binary form must reproduce the above copyright 13366f6083SPeter Grehan * notice, this list of conditions and the following disclaimer in the 14366f6083SPeter Grehan * documentation and/or other materials provided with the distribution. 15366f6083SPeter Grehan * 16366f6083SPeter Grehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17366f6083SPeter Grehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18366f6083SPeter Grehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19366f6083SPeter Grehan * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20366f6083SPeter Grehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21366f6083SPeter Grehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22366f6083SPeter Grehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23366f6083SPeter Grehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24366f6083SPeter Grehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25366f6083SPeter Grehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26366f6083SPeter Grehan * SUCH DAMAGE. 27366f6083SPeter Grehan * 28912a3e67SNeel Natu * $FreeBSD$ 29366f6083SPeter Grehan */ 30366f6083SPeter Grehan 31366f6083SPeter Grehan #ifndef _VMM_H_ 32366f6083SPeter Grehan #define _VMM_H_ 33366f6083SPeter Grehan 346ac73777STycho Nightingale #include <sys/sdt.h> 35d37f2adbSNeel Natu #include <x86/segments.h> 36d37f2adbSNeel Natu 376ac73777STycho Nightingale #ifdef _KERNEL 386ac73777STycho Nightingale SDT_PROVIDER_DECLARE(vmm); 396ac73777STycho Nightingale #endif 406ac73777STycho Nightingale 41f0fdcfe2SNeel Natu enum vm_suspend_how { 42f0fdcfe2SNeel Natu VM_SUSPEND_NONE, 43f0fdcfe2SNeel Natu VM_SUSPEND_RESET, 44f0fdcfe2SNeel Natu VM_SUSPEND_POWEROFF, 45e50ce2aaSNeel Natu VM_SUSPEND_HALT, 46091d4532SNeel Natu VM_SUSPEND_TRIPLEFAULT, 47f0fdcfe2SNeel Natu VM_SUSPEND_LAST 48f0fdcfe2SNeel Natu }; 49f0fdcfe2SNeel Natu 505ebc578bSTycho Nightingale /* 515ebc578bSTycho Nightingale * Identifiers for architecturally defined registers. 525ebc578bSTycho Nightingale */ 535ebc578bSTycho Nightingale enum vm_reg_name { 545ebc578bSTycho Nightingale VM_REG_GUEST_RAX, 555ebc578bSTycho Nightingale VM_REG_GUEST_RBX, 565ebc578bSTycho Nightingale VM_REG_GUEST_RCX, 575ebc578bSTycho Nightingale VM_REG_GUEST_RDX, 585ebc578bSTycho Nightingale VM_REG_GUEST_RSI, 595ebc578bSTycho Nightingale VM_REG_GUEST_RDI, 605ebc578bSTycho Nightingale VM_REG_GUEST_RBP, 615ebc578bSTycho Nightingale VM_REG_GUEST_R8, 625ebc578bSTycho Nightingale VM_REG_GUEST_R9, 635ebc578bSTycho Nightingale VM_REG_GUEST_R10, 645ebc578bSTycho Nightingale VM_REG_GUEST_R11, 655ebc578bSTycho Nightingale VM_REG_GUEST_R12, 665ebc578bSTycho Nightingale VM_REG_GUEST_R13, 675ebc578bSTycho Nightingale VM_REG_GUEST_R14, 685ebc578bSTycho Nightingale VM_REG_GUEST_R15, 695ebc578bSTycho Nightingale VM_REG_GUEST_CR0, 705ebc578bSTycho Nightingale VM_REG_GUEST_CR3, 715ebc578bSTycho Nightingale VM_REG_GUEST_CR4, 725ebc578bSTycho Nightingale VM_REG_GUEST_DR7, 735ebc578bSTycho Nightingale VM_REG_GUEST_RSP, 745ebc578bSTycho Nightingale VM_REG_GUEST_RIP, 755ebc578bSTycho Nightingale VM_REG_GUEST_RFLAGS, 765ebc578bSTycho Nightingale VM_REG_GUEST_ES, 775ebc578bSTycho Nightingale VM_REG_GUEST_CS, 785ebc578bSTycho Nightingale VM_REG_GUEST_SS, 795ebc578bSTycho Nightingale VM_REG_GUEST_DS, 805ebc578bSTycho Nightingale VM_REG_GUEST_FS, 815ebc578bSTycho Nightingale VM_REG_GUEST_GS, 825ebc578bSTycho Nightingale VM_REG_GUEST_LDTR, 835ebc578bSTycho Nightingale VM_REG_GUEST_TR, 845ebc578bSTycho Nightingale VM_REG_GUEST_IDTR, 855ebc578bSTycho Nightingale VM_REG_GUEST_GDTR, 865ebc578bSTycho Nightingale VM_REG_GUEST_EFER, 875ebc578bSTycho Nightingale VM_REG_GUEST_CR2, 883d5444c8SNeel Natu VM_REG_GUEST_PDPTE0, 893d5444c8SNeel Natu VM_REG_GUEST_PDPTE1, 903d5444c8SNeel Natu VM_REG_GUEST_PDPTE2, 913d5444c8SNeel Natu VM_REG_GUEST_PDPTE3, 92d1819632SNeel Natu VM_REG_GUEST_INTR_SHADOW, 9365eefbe4SJohn Baldwin VM_REG_GUEST_DR0, 9465eefbe4SJohn Baldwin VM_REG_GUEST_DR1, 9565eefbe4SJohn Baldwin VM_REG_GUEST_DR2, 9665eefbe4SJohn Baldwin VM_REG_GUEST_DR3, 9765eefbe4SJohn Baldwin VM_REG_GUEST_DR6, 98cbd03a9dSJohn Baldwin VM_REG_GUEST_ENTRY_INST_LENGTH, 995ebc578bSTycho Nightingale VM_REG_LAST 1005ebc578bSTycho Nightingale }; 1015ebc578bSTycho Nightingale 1025ebc578bSTycho Nightingale enum x2apic_state { 1035ebc578bSTycho Nightingale X2APIC_DISABLED, 1045ebc578bSTycho Nightingale X2APIC_ENABLED, 1055ebc578bSTycho Nightingale X2APIC_STATE_LAST 1065ebc578bSTycho Nightingale }; 1075ebc578bSTycho Nightingale 108091d4532SNeel Natu #define VM_INTINFO_VECTOR(info) ((info) & 0xff) 109091d4532SNeel Natu #define VM_INTINFO_DEL_ERRCODE 0x800 110091d4532SNeel Natu #define VM_INTINFO_RSVD 0x7ffff000 111091d4532SNeel Natu #define VM_INTINFO_VALID 0x80000000 112091d4532SNeel Natu #define VM_INTINFO_TYPE 0x700 113091d4532SNeel Natu #define VM_INTINFO_HWINTR (0 << 8) 114091d4532SNeel Natu #define VM_INTINFO_NMI (2 << 8) 115091d4532SNeel Natu #define VM_INTINFO_HWEXCEPTION (3 << 8) 116091d4532SNeel Natu #define VM_INTINFO_SWINTR (4 << 8) 117091d4532SNeel Natu 118422a8a4dSScott Long /* 119422a8a4dSScott Long * The VM name has to fit into the pathname length constraints of devfs, 120422a8a4dSScott Long * governed primarily by SPECNAMELEN. The length is the total number of 121422a8a4dSScott Long * characters in the full path, relative to the mount point and not 122422a8a4dSScott Long * including any leading '/' characters. 123422a8a4dSScott Long * A prefix and a suffix are added to the name specified by the user. 124422a8a4dSScott Long * The prefix is usually "vmm/" or "vmm.io/", but can be a few characters 125422a8a4dSScott Long * longer for future use. 126422a8a4dSScott Long * The suffix is a string that identifies a bootrom image or some similar 127422a8a4dSScott Long * image that is attached to the VM. A separator character gets added to 128422a8a4dSScott Long * the suffix automatically when generating the full path, so it must be 129422a8a4dSScott Long * accounted for, reducing the effective length by 1. 130422a8a4dSScott Long * The effective length of a VM name is 229 bytes for FreeBSD 13 and 37 131422a8a4dSScott Long * bytes for FreeBSD 12. A minimum length is set for safety and supports 132422a8a4dSScott Long * a SPECNAMELEN as small as 32 on old systems. 133422a8a4dSScott Long */ 134422a8a4dSScott Long #define VM_MAX_PREFIXLEN 10 135422a8a4dSScott Long #define VM_MAX_SUFFIXLEN 15 136422a8a4dSScott Long #define VM_MIN_NAMELEN 6 137422a8a4dSScott Long #define VM_MAX_NAMELEN \ 138422a8a4dSScott Long (SPECNAMELEN - VM_MAX_PREFIXLEN - VM_MAX_SUFFIXLEN - 1) 139366f6083SPeter Grehan 140422a8a4dSScott Long #ifdef _KERNEL 141422a8a4dSScott Long CTASSERT(VM_MAX_NAMELEN >= VM_MIN_NAMELEN); 142366f6083SPeter Grehan 143366f6083SPeter Grehan struct vm; 144dc506506SNeel Natu struct vm_exception; 145366f6083SPeter Grehan struct seg_desc; 146366f6083SPeter Grehan struct vm_exit; 147366f6083SPeter Grehan struct vm_run; 14808e3ff32SNeel Natu struct vhpet; 149565bbb86SNeel Natu struct vioapic; 150366f6083SPeter Grehan struct vlapic; 151318224bbSNeel Natu struct vmspace; 152318224bbSNeel Natu struct vm_object; 153d665d229SNeel Natu struct vm_guest_paging; 154318224bbSNeel Natu struct pmap; 155366f6083SPeter Grehan 156248e6799SNeel Natu struct vm_eventinfo { 157248e6799SNeel Natu void *rptr; /* rendezvous cookie */ 158248e6799SNeel Natu int *sptr; /* suspend cookie */ 159248e6799SNeel Natu int *iptr; /* reqidle cookie */ 160248e6799SNeel Natu }; 161248e6799SNeel Natu 162add611fdSNeel Natu typedef int (*vmm_init_func_t)(int ipinum); 163366f6083SPeter Grehan typedef int (*vmm_cleanup_func_t)(void); 16463e62d39SJohn Baldwin typedef void (*vmm_resume_func_t)(void); 165318224bbSNeel Natu typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap); 166318224bbSNeel Natu typedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip, 167248e6799SNeel Natu struct pmap *pmap, struct vm_eventinfo *info); 168366f6083SPeter Grehan typedef void (*vmi_cleanup_func_t)(void *vmi); 169366f6083SPeter Grehan typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num, 170366f6083SPeter Grehan uint64_t *retval); 171366f6083SPeter Grehan typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num, 172366f6083SPeter Grehan uint64_t val); 173366f6083SPeter Grehan typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num, 174366f6083SPeter Grehan struct seg_desc *desc); 175366f6083SPeter Grehan typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num, 176366f6083SPeter Grehan struct seg_desc *desc); 177366f6083SPeter Grehan typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval); 178366f6083SPeter Grehan typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val); 179318224bbSNeel Natu typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max); 180318224bbSNeel Natu typedef void (*vmi_vmspace_free)(struct vmspace *vmspace); 181de5ea6b6SNeel Natu typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu); 182de5ea6b6SNeel Natu typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic); 183366f6083SPeter Grehan 184366f6083SPeter Grehan struct vmm_ops { 185366f6083SPeter Grehan vmm_init_func_t init; /* module wide initialization */ 186366f6083SPeter Grehan vmm_cleanup_func_t cleanup; 18763e62d39SJohn Baldwin vmm_resume_func_t resume; 188366f6083SPeter Grehan 189366f6083SPeter Grehan vmi_init_func_t vminit; /* vm-specific initialization */ 190366f6083SPeter Grehan vmi_run_func_t vmrun; 191366f6083SPeter Grehan vmi_cleanup_func_t vmcleanup; 192366f6083SPeter Grehan vmi_get_register_t vmgetreg; 193366f6083SPeter Grehan vmi_set_register_t vmsetreg; 194366f6083SPeter Grehan vmi_get_desc_t vmgetdesc; 195366f6083SPeter Grehan vmi_set_desc_t vmsetdesc; 196366f6083SPeter Grehan vmi_get_cap_t vmgetcap; 197366f6083SPeter Grehan vmi_set_cap_t vmsetcap; 198318224bbSNeel Natu vmi_vmspace_alloc vmspace_alloc; 199318224bbSNeel Natu vmi_vmspace_free vmspace_free; 200de5ea6b6SNeel Natu vmi_vlapic_init vlapic_init; 201de5ea6b6SNeel Natu vmi_vlapic_cleanup vlapic_cleanup; 202366f6083SPeter Grehan }; 203366f6083SPeter Grehan 204366f6083SPeter Grehan extern struct vmm_ops vmm_ops_intel; 205366f6083SPeter Grehan extern struct vmm_ops vmm_ops_amd; 206366f6083SPeter Grehan 207d5408b1dSNeel Natu int vm_create(const char *name, struct vm **retvm); 208366f6083SPeter Grehan void vm_destroy(struct vm *vm); 2095fcf252fSNeel Natu int vm_reinit(struct vm *vm); 210366f6083SPeter Grehan const char *vm_name(struct vm *vm); 211a488c9c9SRodney W. Grimes uint16_t vm_get_maxcpus(struct vm *vm); 21201d822d3SRodney W. Grimes void vm_get_topology(struct vm *vm, uint16_t *sockets, uint16_t *cores, 21301d822d3SRodney W. Grimes uint16_t *threads, uint16_t *maxcpus); 21401d822d3SRodney W. Grimes int vm_set_topology(struct vm *vm, uint16_t sockets, uint16_t cores, 21501d822d3SRodney W. Grimes uint16_t threads, uint16_t maxcpus); 2169b1aa8d6SNeel Natu 2179b1aa8d6SNeel Natu /* 2189b1aa8d6SNeel Natu * APIs that modify the guest memory map require all vcpus to be frozen. 2199b1aa8d6SNeel Natu */ 2209b1aa8d6SNeel Natu int vm_mmap_memseg(struct vm *vm, vm_paddr_t gpa, int segid, vm_ooffset_t off, 2219b1aa8d6SNeel Natu size_t len, int prot, int flags); 2229b1aa8d6SNeel Natu int vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem); 2239b1aa8d6SNeel Natu void vm_free_memseg(struct vm *vm, int ident); 224366f6083SPeter Grehan int vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa); 225366f6083SPeter Grehan int vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len); 2269b1aa8d6SNeel Natu int vm_assign_pptdev(struct vm *vm, int bus, int slot, int func); 2279b1aa8d6SNeel Natu int vm_unassign_pptdev(struct vm *vm, int bus, int slot, int func); 2289b1aa8d6SNeel Natu 2299b1aa8d6SNeel Natu /* 2309b1aa8d6SNeel Natu * APIs that inspect the guest memory map require only a *single* vcpu to 2319b1aa8d6SNeel Natu * be frozen. This acts like a read lock on the guest memory map since any 2329b1aa8d6SNeel Natu * modification requires *all* vcpus to be frozen. 2339b1aa8d6SNeel Natu */ 2349b1aa8d6SNeel Natu int vm_mmap_getnext(struct vm *vm, vm_paddr_t *gpa, int *segid, 2359b1aa8d6SNeel Natu vm_ooffset_t *segoff, size_t *len, int *prot, int *flags); 2369b1aa8d6SNeel Natu int vm_get_memseg(struct vm *vm, int ident, size_t *len, bool *sysmem, 2379b1aa8d6SNeel Natu struct vm_object **objptr); 238147d12a7SAntoine Brodin vm_paddr_t vmm_sysmem_maxaddr(struct vm *vm); 2399b1aa8d6SNeel Natu void *vm_gpa_hold(struct vm *, int vcpuid, vm_paddr_t gpa, size_t len, 2409b1aa8d6SNeel Natu int prot, void **cookie); 241318224bbSNeel Natu void vm_gpa_release(void *cookie); 2429b1aa8d6SNeel Natu bool vm_mem_allocated(struct vm *vm, int vcpuid, vm_paddr_t gpa); 2439b1aa8d6SNeel Natu 244366f6083SPeter Grehan int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval); 245366f6083SPeter Grehan int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val); 246366f6083SPeter Grehan int vm_get_seg_desc(struct vm *vm, int vcpu, int reg, 247366f6083SPeter Grehan struct seg_desc *ret_desc); 248366f6083SPeter Grehan int vm_set_seg_desc(struct vm *vm, int vcpu, int reg, 249366f6083SPeter Grehan struct seg_desc *desc); 250366f6083SPeter Grehan int vm_run(struct vm *vm, struct vm_run *vmrun); 251f0fdcfe2SNeel Natu int vm_suspend(struct vm *vm, enum vm_suspend_how how); 252366f6083SPeter Grehan int vm_inject_nmi(struct vm *vm, int vcpu); 253f352ff0cSNeel Natu int vm_nmi_pending(struct vm *vm, int vcpuid); 254f352ff0cSNeel Natu void vm_nmi_clear(struct vm *vm, int vcpuid); 2550775fbb4STycho Nightingale int vm_inject_extint(struct vm *vm, int vcpu); 2560775fbb4STycho Nightingale int vm_extint_pending(struct vm *vm, int vcpuid); 2570775fbb4STycho Nightingale void vm_extint_clear(struct vm *vm, int vcpuid); 258366f6083SPeter Grehan struct vlapic *vm_lapic(struct vm *vm, int cpu); 259565bbb86SNeel Natu struct vioapic *vm_ioapic(struct vm *vm); 26008e3ff32SNeel Natu struct vhpet *vm_hpet(struct vm *vm); 261366f6083SPeter Grehan int vm_get_capability(struct vm *vm, int vcpu, int type, int *val); 262366f6083SPeter Grehan int vm_set_capability(struct vm *vm, int vcpu, int type, int val); 263e9027382SNeel Natu int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state); 264e9027382SNeel Natu int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state); 265565bbb86SNeel Natu int vm_apicid2vcpuid(struct vm *vm, int apicid); 26695ebc360SNeel Natu int vm_activate_cpu(struct vm *vm, int vcpu); 267fc276d92SJohn Baldwin int vm_suspend_cpu(struct vm *vm, int vcpu); 268fc276d92SJohn Baldwin int vm_resume_cpu(struct vm *vm, int vcpu); 26998ed632cSNeel Natu struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid); 270f0fdcfe2SNeel Natu void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip); 271fc276d92SJohn Baldwin void vm_exit_debug(struct vm *vm, int vcpuid, uint64_t rip); 27240487465SNeel Natu void vm_exit_rendezvous(struct vm *vm, int vcpuid, uint64_t rip); 27340487465SNeel Natu void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip); 274248e6799SNeel Natu void vm_exit_reqidle(struct vm *vm, int vcpuid, uint64_t rip); 275366f6083SPeter Grehan 2768325ce5cSNeel Natu #ifdef _SYS__CPUSET_H_ 277366f6083SPeter Grehan /* 2785b8a8cd1SNeel Natu * Rendezvous all vcpus specified in 'dest' and execute 'func(arg)'. 2795b8a8cd1SNeel Natu * The rendezvous 'func(arg)' is not allowed to do anything that will 2805b8a8cd1SNeel Natu * cause the thread to be put to sleep. 2815b8a8cd1SNeel Natu * 2825b8a8cd1SNeel Natu * If the rendezvous is being initiated from a vcpu context then the 2835b8a8cd1SNeel Natu * 'vcpuid' must refer to that vcpu, otherwise it should be set to -1. 2845b8a8cd1SNeel Natu * 2855b8a8cd1SNeel Natu * The caller cannot hold any locks when initiating the rendezvous. 2865b8a8cd1SNeel Natu * 2875b8a8cd1SNeel Natu * The implementation of this API may cause vcpus other than those specified 2885b8a8cd1SNeel Natu * by 'dest' to be stalled. The caller should not rely on any vcpus making 2895b8a8cd1SNeel Natu * forward progress when the rendezvous is in progress. 2905b8a8cd1SNeel Natu */ 2915b8a8cd1SNeel Natu typedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg); 292b837daddSKonstantin Belousov int vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest, 2935b8a8cd1SNeel Natu vm_rendezvous_func_t func, void *arg); 2948325ce5cSNeel Natu cpuset_t vm_active_cpus(struct vm *vm); 295fc276d92SJohn Baldwin cpuset_t vm_debug_cpus(struct vm *vm); 2968325ce5cSNeel Natu cpuset_t vm_suspended_cpus(struct vm *vm); 2978325ce5cSNeel Natu #endif /* _SYS__CPUSET_H_ */ 2985b8a8cd1SNeel Natu 2995b8a8cd1SNeel Natu static __inline int 300248e6799SNeel Natu vcpu_rendezvous_pending(struct vm_eventinfo *info) 3015b8a8cd1SNeel Natu { 3025b8a8cd1SNeel Natu 303248e6799SNeel Natu return (*((uintptr_t *)(info->rptr)) != 0); 3045b8a8cd1SNeel Natu } 3055b8a8cd1SNeel Natu 306b15a09c0SNeel Natu static __inline int 307248e6799SNeel Natu vcpu_suspended(struct vm_eventinfo *info) 308b15a09c0SNeel Natu { 309b15a09c0SNeel Natu 310248e6799SNeel Natu return (*info->sptr); 311248e6799SNeel Natu } 312248e6799SNeel Natu 313248e6799SNeel Natu static __inline int 314248e6799SNeel Natu vcpu_reqidle(struct vm_eventinfo *info) 315248e6799SNeel Natu { 316248e6799SNeel Natu 317248e6799SNeel Natu return (*info->iptr); 318b15a09c0SNeel Natu } 319b15a09c0SNeel Natu 320fc276d92SJohn Baldwin int vcpu_debugged(struct vm *vm, int vcpuid); 321fc276d92SJohn Baldwin 3225b8a8cd1SNeel Natu /* 323490d56c5SEd Maste * Return true if device indicated by bus/slot/func is supposed to be a 324366f6083SPeter Grehan * pci passthrough device. 325366f6083SPeter Grehan * 326490d56c5SEd Maste * Return false otherwise. 327366f6083SPeter Grehan */ 328490d56c5SEd Maste bool vmm_is_pptdev(int bus, int slot, int func); 329366f6083SPeter Grehan 330366f6083SPeter Grehan void *vm_iommu_domain(struct vm *vm); 331366f6083SPeter Grehan 33275dd3366SNeel Natu enum vcpu_state { 33375dd3366SNeel Natu VCPU_IDLE, 334318224bbSNeel Natu VCPU_FROZEN, 33575dd3366SNeel Natu VCPU_RUNNING, 336318224bbSNeel Natu VCPU_SLEEPING, 33775dd3366SNeel Natu }; 338366f6083SPeter Grehan 339f80330a8SNeel Natu int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state, 340f80330a8SNeel Natu bool from_idle); 341d3c11f40SPeter Grehan enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu); 342366f6083SPeter Grehan 343366f6083SPeter Grehan static int __inline 344d3c11f40SPeter Grehan vcpu_is_running(struct vm *vm, int vcpu, int *hostcpu) 345366f6083SPeter Grehan { 346d3c11f40SPeter Grehan return (vcpu_get_state(vm, vcpu, hostcpu) == VCPU_RUNNING); 347366f6083SPeter Grehan } 348366f6083SPeter Grehan 349f008d157SNeel Natu #ifdef _SYS_PROC_H_ 350f008d157SNeel Natu static int __inline 351f008d157SNeel Natu vcpu_should_yield(struct vm *vm, int vcpu) 352f008d157SNeel Natu { 353ede04033SNeel Natu 354ede04033SNeel Natu if (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED)) 355ede04033SNeel Natu return (1); 356ede04033SNeel Natu else if (curthread->td_owepreempt) 357ede04033SNeel Natu return (1); 358ede04033SNeel Natu else 359ede04033SNeel Natu return (0); 360f008d157SNeel Natu } 361f008d157SNeel Natu #endif 362f008d157SNeel Natu 36375dd3366SNeel Natu void *vcpu_stats(struct vm *vm, int vcpu); 364de5ea6b6SNeel Natu void vcpu_notify_event(struct vm *vm, int vcpuid, bool lapic_intr); 365318224bbSNeel Natu struct vmspace *vm_get_vmspace(struct vm *vm); 366762fd208STycho Nightingale struct vatpic *vm_atpic(struct vm *vm); 367e883c9bbSTycho Nightingale struct vatpit *vm_atpit(struct vm *vm); 368160ef77aSNeel Natu struct vpmtmr *vm_pmtmr(struct vm *vm); 3690dafa5cdSNeel Natu struct vrtc *vm_rtc(struct vm *vm); 370dc506506SNeel Natu 371dc506506SNeel Natu /* 372c9c75df4SNeel Natu * Inject exception 'vector' into the guest vcpu. This function returns 0 on 373dc506506SNeel Natu * success and non-zero on failure. 374dc506506SNeel Natu * 375dc506506SNeel Natu * Wrapper functions like 'vm_inject_gp()' should be preferred to calling 376dc506506SNeel Natu * this function directly because they enforce the trap-like or fault-like 377dc506506SNeel Natu * behavior of an exception. 378dc506506SNeel Natu * 379dc506506SNeel Natu * This function should only be called in the context of the thread that is 380dc506506SNeel Natu * executing this vcpu. 381dc506506SNeel Natu */ 382c9c75df4SNeel Natu int vm_inject_exception(struct vm *vm, int vcpuid, int vector, int err_valid, 383c9c75df4SNeel Natu uint32_t errcode, int restart_instruction); 384dc506506SNeel Natu 385dc506506SNeel Natu /* 386091d4532SNeel Natu * This function is called after a VM-exit that occurred during exception or 387091d4532SNeel Natu * interrupt delivery through the IDT. The format of 'intinfo' is described 388091d4532SNeel Natu * in Figure 15-1, "EXITINTINFO for All Intercepts", APM, Vol 2. 389dc506506SNeel Natu * 390091d4532SNeel Natu * If a VM-exit handler completes the event delivery successfully then it 391091d4532SNeel Natu * should call vm_exit_intinfo() to extinguish the pending event. For e.g., 392091d4532SNeel Natu * if the task switch emulation is triggered via a task gate then it should 393091d4532SNeel Natu * call this function with 'intinfo=0' to indicate that the external event 394091d4532SNeel Natu * is not pending anymore. 395091d4532SNeel Natu * 396091d4532SNeel Natu * Return value is 0 on success and non-zero on failure. 397dc506506SNeel Natu */ 398091d4532SNeel Natu int vm_exit_intinfo(struct vm *vm, int vcpuid, uint64_t intinfo); 399091d4532SNeel Natu 400091d4532SNeel Natu /* 401091d4532SNeel Natu * This function is called before every VM-entry to retrieve a pending 402091d4532SNeel Natu * event that should be injected into the guest. This function combines 403091d4532SNeel Natu * nested events into a double or triple fault. 404091d4532SNeel Natu * 405091d4532SNeel Natu * Returns 0 if there are no events that need to be injected into the guest 406091d4532SNeel Natu * and non-zero otherwise. 407091d4532SNeel Natu */ 408091d4532SNeel Natu int vm_entry_intinfo(struct vm *vm, int vcpuid, uint64_t *info); 409091d4532SNeel Natu 410091d4532SNeel Natu int vm_get_intinfo(struct vm *vm, int vcpuid, uint64_t *info1, uint64_t *info2); 411dc506506SNeel Natu 412d17b5104SNeel Natu enum vm_reg_name vm_segment_name(int seg_encoding); 413d17b5104SNeel Natu 414d665d229SNeel Natu struct vm_copyinfo { 415d665d229SNeel Natu uint64_t gpa; 416d665d229SNeel Natu size_t len; 417d665d229SNeel Natu void *hva; 418d665d229SNeel Natu void *cookie; 419d665d229SNeel Natu }; 420d665d229SNeel Natu 421d665d229SNeel Natu /* 422d665d229SNeel Natu * Set up 'copyinfo[]' to copy to/from guest linear address space starting 423d665d229SNeel Natu * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for 424d665d229SNeel Natu * a copyin or PROT_WRITE for a copyout. 425d665d229SNeel Natu * 426edafb5a3SPedro F. Giffuni * retval is_fault Interpretation 4279c4d5478SNeel Natu * 0 0 Success 4289c4d5478SNeel Natu * 0 1 An exception was injected into the guest 4299c4d5478SNeel Natu * EFAULT N/A Unrecoverable error 430d665d229SNeel Natu * 431d665d229SNeel Natu * The 'copyinfo[]' can be passed to 'vm_copyin()' or 'vm_copyout()' only if 432d665d229SNeel Natu * the return value is 0. The 'copyinfo[]' resources should be freed by calling 433d665d229SNeel Natu * 'vm_copy_teardown()' after the copy is done. 434d665d229SNeel Natu */ 435d665d229SNeel Natu int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging, 436d665d229SNeel Natu uint64_t gla, size_t len, int prot, struct vm_copyinfo *copyinfo, 4379c4d5478SNeel Natu int num_copyinfo, int *is_fault); 438d665d229SNeel Natu void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, 439d665d229SNeel Natu int num_copyinfo); 440d665d229SNeel Natu void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, 441d665d229SNeel Natu void *kaddr, size_t len); 442d665d229SNeel Natu void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr, 443d665d229SNeel Natu struct vm_copyinfo *copyinfo, size_t len); 444b0538143SNeel Natu 445b0538143SNeel Natu int vcpu_trace_exceptions(struct vm *vm, int vcpuid); 446366f6083SPeter Grehan #endif /* KERNEL */ 447366f6083SPeter Grehan 4488d39ed16SPeter Grehan #define VM_MAXCPU 16 /* maximum virtual cpus */ 449366f6083SPeter Grehan 450366f6083SPeter Grehan /* 451366f6083SPeter Grehan * Identifiers for optional vmm capabilities 452366f6083SPeter Grehan */ 453366f6083SPeter Grehan enum vm_cap_type { 454366f6083SPeter Grehan VM_CAP_HALT_EXIT, 455366f6083SPeter Grehan VM_CAP_MTRAP_EXIT, 456366f6083SPeter Grehan VM_CAP_PAUSE_EXIT, 457366f6083SPeter Grehan VM_CAP_UNRESTRICTED_GUEST, 45849cc03daSNeel Natu VM_CAP_ENABLE_INVPCID, 459cbd03a9dSJohn Baldwin VM_CAP_BPT_EXIT, 460366f6083SPeter Grehan VM_CAP_MAX 461366f6083SPeter Grehan }; 462366f6083SPeter Grehan 463b3e9732aSJohn Baldwin enum vm_intr_trigger { 464b3e9732aSJohn Baldwin EDGE_TRIGGER, 465b3e9732aSJohn Baldwin LEVEL_TRIGGER 466b3e9732aSJohn Baldwin }; 467b3e9732aSJohn Baldwin 468366f6083SPeter Grehan /* 469366f6083SPeter Grehan * The 'access' field has the format specified in Table 21-2 of the Intel 470366f6083SPeter Grehan * Architecture Manual vol 3b. 471366f6083SPeter Grehan * 472366f6083SPeter Grehan * XXX The contents of the 'access' field are architecturally defined except 473366f6083SPeter Grehan * bit 16 - Segment Unusable. 474366f6083SPeter Grehan */ 475366f6083SPeter Grehan struct seg_desc { 476366f6083SPeter Grehan uint64_t base; 477366f6083SPeter Grehan uint32_t limit; 478366f6083SPeter Grehan uint32_t access; 479366f6083SPeter Grehan }; 480f7a9f178SNeel Natu #define SEG_DESC_TYPE(access) ((access) & 0x001f) 4813d5444c8SNeel Natu #define SEG_DESC_DPL(access) (((access) >> 5) & 0x3) 482f7a9f178SNeel Natu #define SEG_DESC_PRESENT(access) (((access) & 0x0080) ? 1 : 0) 483f7a9f178SNeel Natu #define SEG_DESC_DEF32(access) (((access) & 0x4000) ? 1 : 0) 484f7a9f178SNeel Natu #define SEG_DESC_GRANULARITY(access) (((access) & 0x8000) ? 1 : 0) 485f7a9f178SNeel Natu #define SEG_DESC_UNUSABLE(access) (((access) & 0x10000) ? 1 : 0) 486366f6083SPeter Grehan 487e813a873SNeel Natu enum vm_cpu_mode { 488b301b9e2SNeel Natu CPU_MODE_REAL, 489b301b9e2SNeel Natu CPU_MODE_PROTECTED, 490e813a873SNeel Natu CPU_MODE_COMPATIBILITY, /* IA-32E mode (CS.L = 0) */ 491e813a873SNeel Natu CPU_MODE_64BIT, /* IA-32E mode (CS.L = 1) */ 492e813a873SNeel Natu }; 493e813a873SNeel Natu 494e813a873SNeel Natu enum vm_paging_mode { 495e813a873SNeel Natu PAGING_MODE_FLAT, 496e813a873SNeel Natu PAGING_MODE_32, 497e813a873SNeel Natu PAGING_MODE_PAE, 498e813a873SNeel Natu PAGING_MODE_64, 499e813a873SNeel Natu }; 500e813a873SNeel Natu 501e813a873SNeel Natu struct vm_guest_paging { 502e813a873SNeel Natu uint64_t cr3; 503e813a873SNeel Natu int cpl; 504e813a873SNeel Natu enum vm_cpu_mode cpu_mode; 505e813a873SNeel Natu enum vm_paging_mode paging_mode; 506e813a873SNeel Natu }; 507e813a873SNeel Natu 508e813a873SNeel Natu /* 509e813a873SNeel Natu * The data structures 'vie' and 'vie_op' are meant to be opaque to the 510e813a873SNeel Natu * consumers of instruction decoding. The only reason why their contents 511e813a873SNeel Natu * need to be exposed is because they are part of the 'vm_exit' structure. 512e813a873SNeel Natu */ 513e813a873SNeel Natu struct vie_op { 514e813a873SNeel Natu uint8_t op_byte; /* actual opcode byte */ 515e813a873SNeel Natu uint8_t op_type; /* type of operation (e.g. MOV) */ 516e813a873SNeel Natu uint16_t op_flags; 517e813a873SNeel Natu }; 518497cb925SConrad Meyer _Static_assert(sizeof(struct vie_op) == 4, "ABI"); 519497cb925SConrad Meyer _Static_assert(_Alignof(struct vie_op) == 2, "ABI"); 520e813a873SNeel Natu 521e813a873SNeel Natu #define VIE_INST_SIZE 15 522e813a873SNeel Natu struct vie { 523e813a873SNeel Natu uint8_t inst[VIE_INST_SIZE]; /* instruction bytes */ 524e813a873SNeel Natu uint8_t num_valid; /* size of the instruction */ 525e813a873SNeel Natu uint8_t num_processed; 526e813a873SNeel Natu 527f7a9f178SNeel Natu uint8_t addrsize:4, opsize:4; /* address and operand sizes */ 528e813a873SNeel Natu uint8_t rex_w:1, /* REX prefix */ 529e813a873SNeel Natu rex_r:1, 530e813a873SNeel Natu rex_x:1, 531e813a873SNeel Natu rex_b:1, 532f7a9f178SNeel Natu rex_present:1, 53375346353SNeel Natu repz_present:1, /* REP/REPE/REPZ prefix */ 53475346353SNeel Natu repnz_present:1, /* REPNE/REPNZ prefix */ 535f7a9f178SNeel Natu opsize_override:1, /* Operand size override */ 53675346353SNeel Natu addrsize_override:1, /* Address size override */ 53775346353SNeel Natu segment_override:1; /* Segment override */ 538e813a873SNeel Natu 539e813a873SNeel Natu uint8_t mod:2, /* ModRM byte */ 540e813a873SNeel Natu reg:4, 541e813a873SNeel Natu rm:4; 542e813a873SNeel Natu 543e813a873SNeel Natu uint8_t ss:2, /* SIB byte */ 544cfdea69dSConrad Meyer vex_present:1, /* VEX prefixed */ 545cfdea69dSConrad Meyer vex_l:1, /* L bit */ 546497cb925SConrad Meyer index:4, /* SIB byte */ 547497cb925SConrad Meyer base:4; /* SIB byte */ 548e813a873SNeel Natu 549e813a873SNeel Natu uint8_t disp_bytes; 550e813a873SNeel Natu uint8_t imm_bytes; 551e813a873SNeel Natu 552e813a873SNeel Natu uint8_t scale; 553497cb925SConrad Meyer 554cfdea69dSConrad Meyer uint8_t vex_reg:4, /* vvvv: first source register specifier */ 555cfdea69dSConrad Meyer vex_pp:2, /* pp */ 556cfdea69dSConrad Meyer _sparebits:2; 557cfdea69dSConrad Meyer 558cfdea69dSConrad Meyer uint8_t _sparebytes[2]; 559497cb925SConrad Meyer 560e813a873SNeel Natu int base_register; /* VM_REG_GUEST_xyz */ 561e813a873SNeel Natu int index_register; /* VM_REG_GUEST_xyz */ 56275346353SNeel Natu int segment_register; /* VM_REG_GUEST_xyz */ 563e813a873SNeel Natu 564e813a873SNeel Natu int64_t displacement; /* optional addr displacement */ 565e813a873SNeel Natu int64_t immediate; /* optional immediate operand */ 566e813a873SNeel Natu 567e813a873SNeel Natu uint8_t decoded; /* set to 1 if successfully decoded */ 568e813a873SNeel Natu 569497cb925SConrad Meyer uint8_t _sparebyte; 570497cb925SConrad Meyer 571e813a873SNeel Natu struct vie_op op; /* opcode description */ 572e813a873SNeel Natu }; 573497cb925SConrad Meyer _Static_assert(sizeof(struct vie) == 64, "ABI"); 574497cb925SConrad Meyer _Static_assert(__offsetof(struct vie, disp_bytes) == 22, "ABI"); 575497cb925SConrad Meyer _Static_assert(__offsetof(struct vie, scale) == 24, "ABI"); 576497cb925SConrad Meyer _Static_assert(__offsetof(struct vie, base_register) == 28, "ABI"); 577e813a873SNeel Natu 578366f6083SPeter Grehan enum vm_exitcode { 579366f6083SPeter Grehan VM_EXITCODE_INOUT, 580366f6083SPeter Grehan VM_EXITCODE_VMX, 581366f6083SPeter Grehan VM_EXITCODE_BOGUS, 582366f6083SPeter Grehan VM_EXITCODE_RDMSR, 583366f6083SPeter Grehan VM_EXITCODE_WRMSR, 584366f6083SPeter Grehan VM_EXITCODE_HLT, 585366f6083SPeter Grehan VM_EXITCODE_MTRAP, 586366f6083SPeter Grehan VM_EXITCODE_PAUSE, 587cd942e0fSPeter Grehan VM_EXITCODE_PAGING, 588318224bbSNeel Natu VM_EXITCODE_INST_EMUL, 589edf89256SNeel Natu VM_EXITCODE_SPINUP_AP, 590c6a0cc2eSNeel Natu VM_EXITCODE_DEPRECATED1, /* used to be SPINDOWN_CPU */ 5915b8a8cd1SNeel Natu VM_EXITCODE_RENDEZVOUS, 59230b94db8SNeel Natu VM_EXITCODE_IOAPIC_EOI, 593b15a09c0SNeel Natu VM_EXITCODE_SUSPENDED, 594d17b5104SNeel Natu VM_EXITCODE_INOUT_STR, 5953d5444c8SNeel Natu VM_EXITCODE_TASK_SWITCH, 59665145c7fSNeel Natu VM_EXITCODE_MONITOR, 59765145c7fSNeel Natu VM_EXITCODE_MWAIT, 598bbadcde4SNeel Natu VM_EXITCODE_SVM, 599248e6799SNeel Natu VM_EXITCODE_REQIDLE, 600fc276d92SJohn Baldwin VM_EXITCODE_DEBUG, 60127d26457SAndrew Turner VM_EXITCODE_VMINSN, 602cbd03a9dSJohn Baldwin VM_EXITCODE_BPT, 603cd942e0fSPeter Grehan VM_EXITCODE_MAX 604366f6083SPeter Grehan }; 605366f6083SPeter Grehan 606d17b5104SNeel Natu struct vm_inout { 607d17b5104SNeel Natu uint16_t bytes:3; /* 1 or 2 or 4 */ 608d17b5104SNeel Natu uint16_t in:1; 609d17b5104SNeel Natu uint16_t string:1; 610d17b5104SNeel Natu uint16_t rep:1; 611d17b5104SNeel Natu uint16_t port; 612d17b5104SNeel Natu uint32_t eax; /* valid for out */ 613d17b5104SNeel Natu }; 614d17b5104SNeel Natu 615d17b5104SNeel Natu struct vm_inout_str { 616d17b5104SNeel Natu struct vm_inout inout; /* must be the first element */ 617e813a873SNeel Natu struct vm_guest_paging paging; 618d17b5104SNeel Natu uint64_t rflags; 619d17b5104SNeel Natu uint64_t cr0; 620d17b5104SNeel Natu uint64_t index; 621d17b5104SNeel Natu uint64_t count; /* rep=1 (%rcx), rep=0 (1) */ 622d17b5104SNeel Natu int addrsize; 623d17b5104SNeel Natu enum vm_reg_name seg_name; 624d17b5104SNeel Natu struct seg_desc seg_desc; 625d17b5104SNeel Natu }; 626d17b5104SNeel Natu 6273d5444c8SNeel Natu enum task_switch_reason { 6283d5444c8SNeel Natu TSR_CALL, 6293d5444c8SNeel Natu TSR_IRET, 6303d5444c8SNeel Natu TSR_JMP, 6313d5444c8SNeel Natu TSR_IDT_GATE, /* task gate in IDT */ 6323d5444c8SNeel Natu }; 6333d5444c8SNeel Natu 6343d5444c8SNeel Natu struct vm_task_switch { 6353d5444c8SNeel Natu uint16_t tsssel; /* new TSS selector */ 6363d5444c8SNeel Natu int ext; /* task switch due to external event */ 6373d5444c8SNeel Natu uint32_t errcode; 6383d5444c8SNeel Natu int errcode_valid; /* push 'errcode' on the new stack */ 6393d5444c8SNeel Natu enum task_switch_reason reason; 6403d5444c8SNeel Natu struct vm_guest_paging paging; 6413d5444c8SNeel Natu }; 6423d5444c8SNeel Natu 643366f6083SPeter Grehan struct vm_exit { 644366f6083SPeter Grehan enum vm_exitcode exitcode; 645366f6083SPeter Grehan int inst_length; /* 0 means unknown */ 646366f6083SPeter Grehan uint64_t rip; 647366f6083SPeter Grehan union { 648d17b5104SNeel Natu struct vm_inout inout; 649d17b5104SNeel Natu struct vm_inout_str inout_str; 650cd942e0fSPeter Grehan struct { 65113ec9371SPeter Grehan uint64_t gpa; 652318224bbSNeel Natu int fault_type; 653cd942e0fSPeter Grehan } paging; 654318224bbSNeel Natu struct { 655318224bbSNeel Natu uint64_t gpa; 656318224bbSNeel Natu uint64_t gla; 657e4f605eeSTycho Nightingale uint64_t cs_base; 658f7a9f178SNeel Natu int cs_d; /* CS.D */ 659e813a873SNeel Natu struct vm_guest_paging paging; 660318224bbSNeel Natu struct vie vie; 661318224bbSNeel Natu } inst_emul; 662366f6083SPeter Grehan /* 663366f6083SPeter Grehan * VMX specific payload. Used when there is no "better" 664366f6083SPeter Grehan * exitcode to represent the VM-exit. 665366f6083SPeter Grehan */ 666366f6083SPeter Grehan struct { 6670492757cSNeel Natu int status; /* vmx inst status */ 6680492757cSNeel Natu /* 6690492757cSNeel Natu * 'exit_reason' and 'exit_qualification' are valid 6700492757cSNeel Natu * only if 'status' is zero. 6710492757cSNeel Natu */ 672366f6083SPeter Grehan uint32_t exit_reason; 673366f6083SPeter Grehan uint64_t exit_qualification; 6740492757cSNeel Natu /* 6750492757cSNeel Natu * 'inst_error' and 'inst_type' are valid 6760492757cSNeel Natu * only if 'status' is non-zero. 6770492757cSNeel Natu */ 6780492757cSNeel Natu int inst_type; 6790492757cSNeel Natu int inst_error; 680366f6083SPeter Grehan } vmx; 681bbadcde4SNeel Natu /* 682bbadcde4SNeel Natu * SVM specific payload. 683bbadcde4SNeel Natu */ 684bbadcde4SNeel Natu struct { 685bbadcde4SNeel Natu uint64_t exitcode; 686bbadcde4SNeel Natu uint64_t exitinfo1; 687bbadcde4SNeel Natu uint64_t exitinfo2; 688bbadcde4SNeel Natu } svm; 689366f6083SPeter Grehan struct { 690cbd03a9dSJohn Baldwin int inst_length; 691cbd03a9dSJohn Baldwin } bpt; 692cbd03a9dSJohn Baldwin struct { 693366f6083SPeter Grehan uint32_t code; /* ecx value */ 694366f6083SPeter Grehan uint64_t wval; 695366f6083SPeter Grehan } msr; 696edf89256SNeel Natu struct { 697edf89256SNeel Natu int vcpu; 698edf89256SNeel Natu uint64_t rip; 699edf89256SNeel Natu } spinup_ap; 7001c052192SNeel Natu struct { 7011c052192SNeel Natu uint64_t rflags; 702490768e2STycho Nightingale uint64_t intr_status; 7031c052192SNeel Natu } hlt; 70430b94db8SNeel Natu struct { 70530b94db8SNeel Natu int vector; 70630b94db8SNeel Natu } ioapic_eoi; 707f0fdcfe2SNeel Natu struct { 708f0fdcfe2SNeel Natu enum vm_suspend_how how; 709f0fdcfe2SNeel Natu } suspended; 7103d5444c8SNeel Natu struct vm_task_switch task_switch; 711366f6083SPeter Grehan } u; 712366f6083SPeter Grehan }; 713366f6083SPeter Grehan 714d37f2adbSNeel Natu /* APIs to inject faults into the guest */ 715d37f2adbSNeel Natu void vm_inject_fault(void *vm, int vcpuid, int vector, int errcode_valid, 716d37f2adbSNeel Natu int errcode); 717d37f2adbSNeel Natu 7187f21538bSPeter Grehan static __inline void 719d37f2adbSNeel Natu vm_inject_ud(void *vm, int vcpuid) 720d37f2adbSNeel Natu { 721d37f2adbSNeel Natu vm_inject_fault(vm, vcpuid, IDT_UD, 0, 0); 722d37f2adbSNeel Natu } 723d37f2adbSNeel Natu 7247f21538bSPeter Grehan static __inline void 725d37f2adbSNeel Natu vm_inject_gp(void *vm, int vcpuid) 726d37f2adbSNeel Natu { 727d37f2adbSNeel Natu vm_inject_fault(vm, vcpuid, IDT_GP, 1, 0); 728d37f2adbSNeel Natu } 729d37f2adbSNeel Natu 7307f21538bSPeter Grehan static __inline void 731d37f2adbSNeel Natu vm_inject_ac(void *vm, int vcpuid, int errcode) 732d37f2adbSNeel Natu { 733d37f2adbSNeel Natu vm_inject_fault(vm, vcpuid, IDT_AC, 1, errcode); 734d37f2adbSNeel Natu } 735d37f2adbSNeel Natu 7367f21538bSPeter Grehan static __inline void 737d37f2adbSNeel Natu vm_inject_ss(void *vm, int vcpuid, int errcode) 738d37f2adbSNeel Natu { 739d37f2adbSNeel Natu vm_inject_fault(vm, vcpuid, IDT_SS, 1, errcode); 740d37f2adbSNeel Natu } 741d37f2adbSNeel Natu 742d37f2adbSNeel Natu void vm_inject_pf(void *vm, int vcpuid, int error_code, uint64_t cr2); 743d37f2adbSNeel Natu 744c9c75df4SNeel Natu int vm_restart_instruction(void *vm, int vcpuid); 745c9c75df4SNeel Natu 746366f6083SPeter Grehan #endif /* _VMM_H_ */ 747