2 * Kernel-based Virtual Machine driver for Linux
4 * This header defines architecture specific interfaces, x86 version
6 * This work is licensed under the terms of the GNU GPL, version 2. See
7 * the COPYING file in the top-level directory.
11 #ifndef _ASM_X86_KVM_HOST_H
12 #define _ASM_X86_KVM_HOST_H
14 #include <linux/types.h>
16 #include <linux/mmu_notifier.h>
17 #include <linux/tracepoint.h>
18 #include <linux/cpumask.h>
19 #include <linux/irq_work.h>
20 #include <linux/irq.h>
22 #include <linux/kvm.h>
23 #include <linux/kvm_para.h>
24 #include <linux/kvm_types.h>
25 #include <linux/perf_event.h>
26 #include <linux/pvclock_gtod.h>
27 #include <linux/clocksource.h>
28 #include <linux/irqbypass.h>
29 #include <linux/hyperv.h>
32 #include <asm/pvclock-abi.h>
35 #include <asm/msr-index.h>
37 #include <asm/kvm_page_track.h>
39 #define KVM_MAX_VCPUS 288
40 #define KVM_SOFT_MAX_VCPUS 240
41 #define KVM_MAX_VCPU_ID 1023
42 #define KVM_USER_MEM_SLOTS 509
43 /* memory slots that are not exposed to userspace */
44 #define KVM_PRIVATE_MEM_SLOTS 3
45 #define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
47 #define KVM_PIO_PAGE_OFFSET 1
48 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
49 #define KVM_HALT_POLL_NS_DEFAULT 400000
51 #define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS
53 /* x86-specific vcpu->requests bit members */
54 #define KVM_REQ_MIGRATE_TIMER 8
55 #define KVM_REQ_REPORT_TPR_ACCESS 9
56 #define KVM_REQ_TRIPLE_FAULT 10
57 #define KVM_REQ_MMU_SYNC 11
58 #define KVM_REQ_CLOCK_UPDATE 12
59 #define KVM_REQ_DEACTIVATE_FPU 13
60 #define KVM_REQ_EVENT 14
61 #define KVM_REQ_APF_HALT 15
62 #define KVM_REQ_STEAL_UPDATE 16
63 #define KVM_REQ_NMI 17
64 #define KVM_REQ_PMU 18
65 #define KVM_REQ_PMI 19
66 #define KVM_REQ_SMI 20
67 #define KVM_REQ_MASTERCLOCK_UPDATE 21
68 #define KVM_REQ_MCLOCK_INPROGRESS 22
69 #define KVM_REQ_SCAN_IOAPIC 23
70 #define KVM_REQ_GLOBAL_CLOCK_UPDATE 24
71 #define KVM_REQ_APIC_PAGE_RELOAD 25
72 #define KVM_REQ_HV_CRASH 26
73 #define KVM_REQ_IOAPIC_EOI_EXIT 27
74 #define KVM_REQ_HV_RESET 28
75 #define KVM_REQ_HV_EXIT 29
76 #define KVM_REQ_HV_STIMER 30
78 #define CR0_RESERVED_BITS \
79 (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \
80 | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \
81 | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG))
83 #define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL
84 #define CR3_PCID_INVD BIT_64(63)
85 #define CR4_RESERVED_BITS \
86 (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\
87 | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
88 | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
89 | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \
90 | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP \
93 #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
97 #define INVALID_PAGE (~(hpa_t)0)
98 #define VALID_PAGE(x) ((x) != INVALID_PAGE)
100 #define UNMAPPED_GVA (~(gpa_t)0)
102 /* KVM Hugepage definitions for x86 */
103 #define KVM_NR_PAGE_SIZES 3
104 #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9)
105 #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
106 #define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
107 #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
108 #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
110 static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
112 /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */
113 return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) -
114 (base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
117 #define KVM_PERMILLE_MMU_PAGES 20
118 #define KVM_MIN_ALLOC_MMU_PAGES 64
119 #define KVM_MMU_HASH_SHIFT 10
120 #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT)
121 #define KVM_MIN_FREE_MMU_PAGES 5
122 #define KVM_REFILL_PAGES 25
123 #define KVM_MAX_CPUID_ENTRIES 80
124 #define KVM_NR_FIXED_MTRR_REGION 88
125 #define KVM_NR_VAR_MTRR 8
127 #define ASYNC_PF_PER_VCPU 64
153 VCPU_EXREG_PDPTR = NR_VCPU_REGS,
170 #include <asm/kvm_emulate.h>
172 #define KVM_NR_MEM_OBJS 40
174 #define KVM_NR_DB_REGS 4
176 #define DR6_BD (1 << 13)
177 #define DR6_BS (1 << 14)
178 #define DR6_RTM (1 << 16)
179 #define DR6_FIXED_1 0xfffe0ff0
180 #define DR6_INIT 0xffff0ff0
181 #define DR6_VOLATILE 0x0001e00f
183 #define DR7_BP_EN_MASK 0x000000ff
184 #define DR7_GE (1 << 9)
185 #define DR7_GD (1 << 13)
186 #define DR7_FIXED_1 0x00000400
187 #define DR7_VOLATILE 0xffff2bff
189 #define PFERR_PRESENT_BIT 0
190 #define PFERR_WRITE_BIT 1
191 #define PFERR_USER_BIT 2
192 #define PFERR_RSVD_BIT 3
193 #define PFERR_FETCH_BIT 4
194 #define PFERR_PK_BIT 5
196 #define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
197 #define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
198 #define PFERR_USER_MASK (1U << PFERR_USER_BIT)
199 #define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
200 #define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
201 #define PFERR_PK_MASK (1U << PFERR_PK_BIT)
203 /* apic attention bits */
204 #define KVM_APIC_CHECK_VAPIC 0
206 * The following bit is set with PV-EOI, unset on EOI.
207 * We detect PV-EOI changes by guest by comparing
208 * this bit with PV-EOI in guest memory.
209 * See the implementation in apic_update_pv_eoi.
211 #define KVM_APIC_PV_EOI_PENDING 1
213 struct kvm_kernel_irq_routing_entry;
216 * We don't want allocation failures within the mmu code, so we preallocate
217 * enough memory for a single page fault in a cache.
219 struct kvm_mmu_memory_cache {
221 void *objects[KVM_NR_MEM_OBJS];
225 * the pages used as guest page table on soft mmu are tracked by
226 * kvm_memory_slot.arch.gfn_track which is 16 bits, so the role bits used
227 * by indirect shadow page can not be more than 15 bits.
229 * Currently, we used 14 bits that are @level, @cr4_pae, @quadrant, @access,
230 * @nxe, @cr0_wp, @smep_andnot_wp and @smap_andnot_wp.
232 union kvm_mmu_page_role {
243 unsigned smep_andnot_wp:1;
244 unsigned smap_andnot_wp:1;
248 * This is left at the top of the word so that
249 * kvm_memslots_for_spte_role can extract it with a
250 * simple shift. While there is room, give it a whole
251 * byte so it is also faster to load it from memory.
257 struct kvm_rmap_head {
261 struct kvm_mmu_page {
262 struct list_head link;
263 struct hlist_node hash_link;
264 struct list_head lpage_disallowed_link;
267 * The following two entries are used to key the shadow page in the
271 union kvm_mmu_page_role role;
274 /* hold the gfn of each spte inside spt */
277 bool lpage_disallowed; /* Can't be replaced by an equiv large page */
278 int root_count; /* Currently serving as active root */
279 unsigned int unsync_children;
280 struct kvm_rmap_head parent_ptes; /* rmap pointers to parent sptes */
282 /* The page is obsolete if mmu_valid_gen != kvm->arch.mmu_valid_gen. */
283 unsigned long mmu_valid_gen;
285 DECLARE_BITMAP(unsync_child_bitmap, 512);
289 * Used out of the mmu-lock to avoid reading spte values while an
290 * update is in progress; see the comments in __get_spte_lockless().
292 int clear_spte_count;
295 /* Number of writes since the last time traversal visited this page. */
296 atomic_t write_flooding_count;
299 struct kvm_pio_request {
306 struct rsvd_bits_validate {
307 u64 rsvd_bits_mask[2][4];
312 * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level
313 * 32-bit). The kvm_mmu structure abstracts the details of the current mmu
317 void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root);
318 unsigned long (*get_cr3)(struct kvm_vcpu *vcpu);
319 u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index);
320 int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err,
322 void (*inject_page_fault)(struct kvm_vcpu *vcpu,
323 struct x86_exception *fault);
324 gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access,
325 struct x86_exception *exception);
326 gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access,
327 struct x86_exception *exception);
328 int (*sync_page)(struct kvm_vcpu *vcpu,
329 struct kvm_mmu_page *sp);
330 void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
331 void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
332 u64 *spte, const void *pte);
335 int shadow_root_level;
336 union kvm_mmu_page_role base_role;
340 * Bitmap; bit set = permission fault
341 * Byte index: page fault error code [4:1]
342 * Bit index: pte permissions in ACC_* format
347 * The pkru_mask indicates if protection key checks are needed. It
348 * consists of 16 domains indexed by page fault error code bits [4:1],
349 * with PFEC.RSVD replaced by ACC_USER_MASK from the page tables.
350 * Each domain has 2 bits which are ANDed with AD and WD from PKRU.
358 * check zero bits on shadow page table entries, these
359 * bits include not only hardware reserved bits but also
360 * the bits spte never used.
362 struct rsvd_bits_validate shadow_zero_check;
364 struct rsvd_bits_validate guest_rsvd_check;
366 /* Can have large pages at levels 2..last_nonleaf_level-1. */
367 u8 last_nonleaf_level;
371 u64 pdptrs[4]; /* pae */
384 struct perf_event *perf_event;
385 struct kvm_vcpu *vcpu;
389 unsigned nr_arch_gp_counters;
390 unsigned nr_arch_fixed_counters;
391 unsigned available_event_types;
396 u64 counter_bitmask[2];
397 u64 global_ctrl_mask;
400 struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC];
401 struct kvm_pmc fixed_counters[INTEL_PMC_MAX_FIXED];
402 struct irq_work irq_work;
409 KVM_DEBUGREG_BP_ENABLED = 1,
410 KVM_DEBUGREG_WONT_EXIT = 2,
411 KVM_DEBUGREG_RELOAD = 4,
414 struct kvm_mtrr_range {
417 struct list_head node;
421 struct kvm_mtrr_range var_ranges[KVM_NR_VAR_MTRR];
422 mtrr_type fixed_ranges[KVM_NR_FIXED_MTRR_REGION];
425 struct list_head head;
428 /* Hyper-V SynIC timer */
429 struct kvm_vcpu_hv_stimer {
430 struct hrtimer timer;
435 struct hv_message msg;
439 /* Hyper-V synthetic interrupt controller (SynIC)*/
440 struct kvm_vcpu_hv_synic {
445 atomic64_t sint[HV_SYNIC_SINT_COUNT];
446 atomic_t sint_to_gsi[HV_SYNIC_SINT_COUNT];
447 DECLARE_BITMAP(auto_eoi_bitmap, 256);
448 DECLARE_BITMAP(vec_bitmap, 256);
452 /* Hyper-V per vcpu emulation context */
456 struct kvm_vcpu_hv_synic synic;
457 struct kvm_hyperv_exit exit;
458 struct kvm_vcpu_hv_stimer stimer[HV_SYNIC_STIMER_COUNT];
459 DECLARE_BITMAP(stimer_pending_bitmap, HV_SYNIC_STIMER_COUNT);
462 struct kvm_vcpu_arch {
464 * rip and regs accesses must go through
465 * kvm_{register,rip}_{read,write} functions.
467 unsigned long regs[NR_VCPU_REGS];
472 unsigned long cr0_guest_owned_bits;
476 unsigned long cr4_guest_owned_bits;
481 struct kvm_lapic *apic; /* kernel irqchip context */
483 DECLARE_BITMAP(ioapic_handled_vectors, 256);
484 unsigned long apic_attention;
485 int32_t apic_arb_prio;
487 u64 ia32_misc_enable_msr;
489 bool tpr_access_reporting;
491 u64 microcode_version;
492 u64 arch_capabilities;
495 * Paging state of the vcpu
497 * If the vcpu runs in guest mode with two level paging this still saves
498 * the paging mode of the l1 guest. This context is always used to
504 * Paging state of an L2 guest (used for nested npt)
506 * This context will save all necessary information to walk page tables
507 * of the an L2 guest. This context is only initialized for page table
508 * walking and not for faulting since we never handle l2 page faults on
511 struct kvm_mmu nested_mmu;
514 * Pointer to the mmu context currently used for
515 * gva_to_gpa translations.
517 struct kvm_mmu *walk_mmu;
519 struct kvm_mmu_memory_cache mmu_pte_list_desc_cache;
520 struct kvm_mmu_memory_cache mmu_page_cache;
521 struct kvm_mmu_memory_cache mmu_page_header_cache;
523 struct fpu guest_fpu;
525 u64 guest_supported_xcr0;
526 u32 guest_xstate_size;
528 struct kvm_pio_request pio;
531 u8 event_exit_inst_len;
533 struct kvm_queued_exception {
541 struct kvm_queued_interrupt {
547 int halt_request; /* real mode on Intel only */
550 struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES];
554 /* emulate context */
556 struct x86_emulate_ctxt emulate_ctxt;
557 bool emulate_regs_need_sync_to_vcpu;
558 bool emulate_regs_need_sync_from_vcpu;
559 int (*complete_userspace_io)(struct kvm_vcpu *vcpu);
562 struct pvclock_vcpu_time_info hv_clock;
563 unsigned int hw_tsc_khz;
564 struct gfn_to_hva_cache pv_time;
565 bool pv_time_enabled;
566 /* set guest stopped flag in pvclock flags field */
567 bool pvclock_set_guest_stopped_request;
572 struct gfn_to_hva_cache stime;
573 struct kvm_steal_time steal;
579 u64 tsc_offset_adjustment;
582 u64 this_tsc_generation;
584 bool tsc_always_catchup;
585 s8 virtual_tsc_shift;
586 u32 virtual_tsc_mult;
588 s64 ia32_tsc_adjust_msr;
589 u64 tsc_scaling_ratio;
591 atomic_t nmi_queued; /* unprocessed asynchronous NMIs */
592 unsigned nmi_pending; /* NMI queued after currently running handler */
593 bool nmi_injected; /* Trying to inject an NMI this entry */
594 bool smi_pending; /* SMI queued after currently running handler */
596 struct kvm_mtrr mtrr_state;
599 unsigned switch_db_regs;
600 unsigned long db[KVM_NR_DB_REGS];
603 unsigned long eff_db[KVM_NR_DB_REGS];
604 unsigned long guest_debug_dr7;
612 /* Cache MMIO info */
620 /* used for guest single stepping over the given code position */
621 unsigned long singlestep_rip;
623 struct kvm_vcpu_hv hyperv;
625 cpumask_var_t wbinvd_dirty_mask;
627 unsigned long last_retry_eip;
628 unsigned long last_retry_addr;
632 gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)];
633 struct gfn_to_hva_cache data;
639 /* OSVW MSRs (AMD only) */
647 struct gfn_to_hva_cache data;
651 * Indicate whether the access faults on its page table in guest
652 * which is set when fix page fault and used to detect unhandeable
655 bool write_fault_to_shadow_pgtable;
657 /* set at EPT violation at this point */
658 unsigned long exit_qualification;
660 /* pv related host specific info */
665 int pending_ioapic_eoi;
666 int pending_external_vector;
668 /* Flush the L1 Data cache for L1TF mitigation on VMENTER */
672 struct kvm_lpage_info {
676 struct kvm_arch_memory_slot {
677 struct kvm_rmap_head *rmap[KVM_NR_PAGE_SIZES];
678 struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
679 unsigned short *gfn_track[KVM_PAGE_TRACK_MAX];
683 * We use as the mode the number of bits allocated in the LDR for the
684 * logical processor ID. It happens that these are all powers of two.
685 * This makes it is very easy to detect cases where the APICs are
686 * configured for multiple modes; in that case, we cannot use the map and
687 * hence cannot use kvm_irq_delivery_to_apic_fast either.
689 #define KVM_APIC_MODE_XAPIC_CLUSTER 4
690 #define KVM_APIC_MODE_XAPIC_FLAT 8
691 #define KVM_APIC_MODE_X2APIC 16
693 struct kvm_apic_map {
698 struct kvm_lapic *xapic_flat_map[8];
699 struct kvm_lapic *xapic_cluster_map[16][4];
701 struct kvm_lapic *phys_map[];
704 /* Hyper-V emulation context */
710 /* Hyper-v based guest crash (NT kernel bugcheck) parameters */
711 u64 hv_crash_param[HV_X64_MSR_CRASH_PARAMS];
714 HV_REFERENCE_TSC_PAGE tsc_ref;
718 unsigned int n_used_mmu_pages;
719 unsigned int n_requested_mmu_pages;
720 unsigned int n_max_mmu_pages;
721 unsigned int indirect_shadow_pages;
722 unsigned long mmu_valid_gen;
723 struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES];
725 * Hash table of struct kvm_mmu_page.
727 struct list_head active_mmu_pages;
728 struct list_head zapped_obsolete_pages;
729 struct list_head lpage_disallowed_mmu_pages;
730 struct kvm_page_track_notifier_node mmu_sp_tracker;
731 struct kvm_page_track_notifier_head track_notifier_head;
733 struct list_head assigned_dev_head;
734 struct iommu_domain *iommu_domain;
735 bool iommu_noncoherent;
736 #define __KVM_HAVE_ARCH_NONCOHERENT_DMA
737 atomic_t noncoherent_dma_count;
738 #define __KVM_HAVE_ARCH_ASSIGNED_DEVICE
739 atomic_t assigned_device_count;
740 struct kvm_pic *vpic;
741 struct kvm_ioapic *vioapic;
742 struct kvm_pit *vpit;
743 atomic_t vapics_in_nmi_mode;
744 struct mutex apic_map_lock;
745 struct kvm_apic_map *apic_map;
747 unsigned int tss_addr;
748 bool apic_access_page_done;
752 bool ept_identity_pagetable_done;
753 gpa_t ept_identity_map_addr;
755 unsigned long irq_sources_bitmap;
757 raw_spinlock_t tsc_write_lock;
764 u64 cur_tsc_generation;
765 int nr_vcpus_matched_tsc;
767 spinlock_t pvclock_gtod_sync_lock;
768 bool use_master_clock;
769 u64 master_kernel_ns;
770 cycle_t master_cycle_now;
771 struct delayed_work kvmclock_update_work;
772 struct delayed_work kvmclock_sync_work;
774 struct kvm_xen_hvm_config xen_hvm_config;
776 /* reads protected by irq_srcu, writes by irq_lock */
777 struct hlist_head mask_notifier_list;
779 struct kvm_hv hyperv;
781 #ifdef CONFIG_KVM_MMU_AUDIT
785 bool boot_vcpu_runs_old_kvmclock;
791 u8 nr_reserved_ioapic_pins;
793 bool disabled_lapic_found;
795 /* Struct members for AVIC */
798 struct page *avic_logical_id_table_page;
799 struct page *avic_physical_id_table_page;
800 struct hlist_node hnode;
803 bool x2apic_broadcast_quirk_disabled;
805 struct task_struct *nx_lpage_recovery_thread;
809 ulong mmu_shadow_zapped;
811 ulong mmu_pte_updated;
812 ulong mmu_pde_zapped;
815 ulong mmu_cache_miss;
817 ulong remote_tlb_flush;
819 ulong nx_lpage_splits;
822 struct kvm_vcpu_stat {
832 u64 irq_window_exits;
833 u64 nmi_window_exits;
836 u64 halt_successful_poll;
837 u64 halt_attempted_poll;
838 u64 halt_poll_invalid;
840 u64 request_irq_exits;
842 u64 host_state_reload;
846 u64 insn_emulation_fail;
852 struct x86_instruction_info;
860 struct kvm_lapic_irq {
872 int (*cpu_has_kvm_support)(void); /* __init */
873 int (*disabled_by_bios)(void); /* __init */
874 int (*hardware_enable)(void);
875 void (*hardware_disable)(void);
876 void (*check_processor_compatibility)(void *rtn);
877 int (*hardware_setup)(void); /* __init */
878 void (*hardware_unsetup)(void); /* __exit */
879 bool (*cpu_has_accelerated_tpr)(void);
880 bool (*has_emulated_msr)(int index);
881 void (*cpuid_update)(struct kvm_vcpu *vcpu);
883 int (*vm_init)(struct kvm *kvm);
884 void (*vm_destroy)(struct kvm *kvm);
886 /* Create, but do not attach this VCPU */
887 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id);
888 void (*vcpu_free)(struct kvm_vcpu *vcpu);
889 void (*vcpu_reset)(struct kvm_vcpu *vcpu, bool init_event);
891 void (*prepare_guest_switch)(struct kvm_vcpu *vcpu);
892 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
893 void (*vcpu_put)(struct kvm_vcpu *vcpu);
895 void (*update_bp_intercept)(struct kvm_vcpu *vcpu);
896 int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr);
897 int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr);
898 u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg);
899 void (*get_segment)(struct kvm_vcpu *vcpu,
900 struct kvm_segment *var, int seg);
901 int (*get_cpl)(struct kvm_vcpu *vcpu);
902 void (*set_segment)(struct kvm_vcpu *vcpu,
903 struct kvm_segment *var, int seg);
904 void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
905 void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu);
906 void (*decache_cr3)(struct kvm_vcpu *vcpu);
907 void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
908 void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
909 void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
910 int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4);
911 void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer);
912 void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
913 void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
914 void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
915 void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
916 u64 (*get_dr6)(struct kvm_vcpu *vcpu);
917 void (*set_dr6)(struct kvm_vcpu *vcpu, unsigned long value);
918 void (*sync_dirty_debug_regs)(struct kvm_vcpu *vcpu);
919 void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
920 void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
921 unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
922 void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
923 u32 (*get_pkru)(struct kvm_vcpu *vcpu);
924 void (*fpu_activate)(struct kvm_vcpu *vcpu);
925 void (*fpu_deactivate)(struct kvm_vcpu *vcpu);
927 void (*tlb_flush)(struct kvm_vcpu *vcpu);
929 void (*run)(struct kvm_vcpu *vcpu);
930 int (*handle_exit)(struct kvm_vcpu *vcpu);
931 void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
932 void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask);
933 u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu);
934 void (*patch_hypercall)(struct kvm_vcpu *vcpu,
935 unsigned char *hypercall_addr);
936 void (*set_irq)(struct kvm_vcpu *vcpu);
937 void (*set_nmi)(struct kvm_vcpu *vcpu);
938 void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr,
939 bool has_error_code, u32 error_code,
941 void (*cancel_injection)(struct kvm_vcpu *vcpu);
942 int (*interrupt_allowed)(struct kvm_vcpu *vcpu);
943 int (*nmi_allowed)(struct kvm_vcpu *vcpu);
944 bool (*get_nmi_mask)(struct kvm_vcpu *vcpu);
945 void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked);
946 void (*enable_nmi_window)(struct kvm_vcpu *vcpu);
947 void (*enable_irq_window)(struct kvm_vcpu *vcpu);
948 void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr);
949 bool (*get_enable_apicv)(void);
950 void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu);
951 void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr);
952 void (*hwapic_isr_update)(struct kvm_vcpu *vcpu, int isr);
953 void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
954 void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set);
955 void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);
956 void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
957 void (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
958 int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
959 int (*get_tdp_level)(void);
960 u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
961 int (*get_lpage_level)(void);
962 bool (*rdtscp_supported)(void);
963 bool (*invpcid_supported)(void);
965 void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
967 void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
969 bool (*has_wbinvd_exit)(void);
971 void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset);
973 void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2);
975 int (*check_intercept)(struct kvm_vcpu *vcpu,
976 struct x86_instruction_info *info,
977 enum x86_intercept_stage stage);
978 void (*handle_external_intr)(struct kvm_vcpu *vcpu);
979 bool (*mpx_supported)(void);
980 bool (*xsaves_supported)(void);
982 int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr);
984 void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
987 * Arch-specific dirty logging hooks. These hooks are only supposed to
988 * be valid if the specific arch has hardware-accelerated dirty logging
989 * mechanism. Currently only for PML on VMX.
991 * - slot_enable_log_dirty:
992 * called when enabling log dirty mode for the slot.
993 * - slot_disable_log_dirty:
994 * called when disabling log dirty mode for the slot.
995 * also called when slot is created with log dirty disabled.
997 * called before reporting dirty_bitmap to userspace.
998 * - enable_log_dirty_pt_masked:
999 * called when reenabling log dirty for the GFNs in the mask after
1000 * corresponding bits are cleared in slot->dirty_bitmap.
1002 void (*slot_enable_log_dirty)(struct kvm *kvm,
1003 struct kvm_memory_slot *slot);
1004 void (*slot_disable_log_dirty)(struct kvm *kvm,
1005 struct kvm_memory_slot *slot);
1006 void (*flush_log_dirty)(struct kvm *kvm);
1007 void (*enable_log_dirty_pt_masked)(struct kvm *kvm,
1008 struct kvm_memory_slot *slot,
1009 gfn_t offset, unsigned long mask);
1010 /* pmu operations of sub-arch */
1011 const struct kvm_pmu_ops *pmu_ops;
1014 * Architecture specific hooks for vCPU blocking due to
1016 * Returns for .pre_block():
1017 * - 0 means continue to block the vCPU.
1018 * - 1 means we cannot block the vCPU since some event
1019 * happens during this period, such as, 'ON' bit in
1020 * posted-interrupts descriptor is set.
1022 int (*pre_block)(struct kvm_vcpu *vcpu);
1023 void (*post_block)(struct kvm_vcpu *vcpu);
1025 void (*vcpu_blocking)(struct kvm_vcpu *vcpu);
1026 void (*vcpu_unblocking)(struct kvm_vcpu *vcpu);
1028 int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq,
1029 uint32_t guest_irq, bool set);
1030 void (*apicv_post_state_restore)(struct kvm_vcpu *vcpu);
1032 int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc);
1033 void (*cancel_hv_timer)(struct kvm_vcpu *vcpu);
1035 void (*setup_mce)(struct kvm_vcpu *vcpu);
1037 int (*get_msr_feature)(struct kvm_msr_entry *entry);
1040 struct kvm_arch_async_pf {
1047 extern struct kvm_x86_ops *kvm_x86_ops;
1049 int kvm_mmu_module_init(void);
1050 void kvm_mmu_module_exit(void);
1052 void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
1053 int kvm_mmu_create(struct kvm_vcpu *vcpu);
1054 void kvm_mmu_setup(struct kvm_vcpu *vcpu);
1055 void kvm_mmu_init_vm(struct kvm *kvm);
1056 void kvm_mmu_uninit_vm(struct kvm *kvm);
1057 void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
1058 u64 dirty_mask, u64 nx_mask, u64 x_mask, u64 p_mask);
1060 void kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
1061 void kvm_mmu_slot_remove_write_access(struct kvm *kvm,
1062 struct kvm_memory_slot *memslot);
1063 void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
1064 const struct kvm_memory_slot *memslot);
1065 void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm,
1066 struct kvm_memory_slot *memslot);
1067 void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm,
1068 struct kvm_memory_slot *memslot);
1069 void kvm_mmu_slot_set_dirty(struct kvm *kvm,
1070 struct kvm_memory_slot *memslot);
1071 void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm,
1072 struct kvm_memory_slot *slot,
1073 gfn_t gfn_offset, unsigned long mask);
1074 void kvm_mmu_zap_all(struct kvm *kvm);
1075 void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots);
1076 unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
1077 void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);
1079 int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3);
1081 int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
1082 const void *val, int bytes);
1084 struct kvm_irq_mask_notifier {
1085 void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked);
1087 struct hlist_node link;
1090 void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
1091 struct kvm_irq_mask_notifier *kimn);
1092 void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
1093 struct kvm_irq_mask_notifier *kimn);
1094 void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin,
1097 extern bool tdp_enabled;
1099 u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu);
1101 /* control of guest tsc rate supported? */
1102 extern bool kvm_has_tsc_control;
1103 /* maximum supported tsc_khz for guests */
1104 extern u32 kvm_max_guest_tsc_khz;
1105 /* number of bits of the fractional part of the TSC scaling ratio */
1106 extern u8 kvm_tsc_scaling_ratio_frac_bits;
1107 /* maximum allowed value of TSC scaling ratio */
1108 extern u64 kvm_max_tsc_scaling_ratio;
1109 /* 1ull << kvm_tsc_scaling_ratio_frac_bits */
1110 extern u64 kvm_default_tsc_scaling_ratio;
1112 extern u64 kvm_mce_cap_supported;
1114 enum emulation_result {
1115 EMULATE_DONE, /* no further processing */
1116 EMULATE_USER_EXIT, /* kvm_run ready for userspace exit */
1117 EMULATE_FAIL, /* can't emulate this instruction */
1120 #define EMULTYPE_NO_DECODE (1 << 0)
1121 #define EMULTYPE_TRAP_UD (1 << 1)
1122 #define EMULTYPE_SKIP (1 << 2)
1123 #define EMULTYPE_RETRY (1 << 3)
1124 #define EMULTYPE_NO_REEXECUTE (1 << 4)
1125 int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2,
1126 int emulation_type, void *insn, int insn_len);
1128 static inline int emulate_instruction(struct kvm_vcpu *vcpu,
1131 return x86_emulate_instruction(vcpu, 0,
1132 emulation_type | EMULTYPE_NO_REEXECUTE, NULL, 0);
1135 void kvm_enable_efer_bits(u64);
1136 bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer);
1137 int kvm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr);
1138 int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr);
1140 struct x86_emulate_ctxt;
1142 int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port);
1143 void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
1144 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
1145 int kvm_vcpu_halt(struct kvm_vcpu *vcpu);
1146 int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu);
1148 void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
1149 int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
1150 void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
1152 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index,
1153 int reason, bool has_error_code, u32 error_code);
1155 int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
1156 int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
1157 int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
1158 int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
1159 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
1160 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val);
1161 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
1162 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
1163 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
1164 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr);
1166 int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr);
1167 int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr);
1169 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu);
1170 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
1171 bool kvm_rdpmc(struct kvm_vcpu *vcpu);
1173 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
1174 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
1175 void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
1176 void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
1177 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
1178 int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
1179 gfn_t gfn, void *data, int offset, int len,
1181 bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl);
1182 bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr);
1184 static inline int __kvm_irq_line_state(unsigned long *irq_state,
1185 int irq_source_id, int level)
1187 /* Logical OR for level trig interrupt */
1189 __set_bit(irq_source_id, irq_state);
1191 __clear_bit(irq_source_id, irq_state);
1193 return !!(*irq_state);
1196 int kvm_pic_set_irq(struct kvm_pic *pic, int irq, int irq_source_id, int level);
1197 void kvm_pic_clear_all(struct kvm_pic *pic, int irq_source_id);
1199 void kvm_inject_nmi(struct kvm_vcpu *vcpu);
1201 int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn);
1202 int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva);
1203 void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);
1204 int kvm_mmu_load(struct kvm_vcpu *vcpu);
1205 void kvm_mmu_unload(struct kvm_vcpu *vcpu);
1206 void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu);
1207 gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access,
1208 struct x86_exception *exception);
1209 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva,
1210 struct x86_exception *exception);
1211 gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva,
1212 struct x86_exception *exception);
1213 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva,
1214 struct x86_exception *exception);
1215 gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva,
1216 struct x86_exception *exception);
1218 void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu);
1220 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
1222 int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
1223 void *insn, int insn_len);
1224 void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
1225 void kvm_mmu_new_cr3(struct kvm_vcpu *vcpu);
1227 void kvm_enable_tdp(void);
1228 void kvm_disable_tdp(void);
1230 static inline gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access,
1231 struct x86_exception *exception)
1236 static inline struct kvm_mmu_page *page_header(hpa_t shadow_page)
1238 struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT);
1240 return (struct kvm_mmu_page *)page_private(page);
1243 static inline u16 kvm_read_ldt(void)
1246 asm("sldt %0" : "=g"(ldt));
1250 static inline void kvm_load_ldt(u16 sel)
1252 asm("lldt %0" : : "rm"(sel));
1255 #ifdef CONFIG_X86_64
1256 static inline unsigned long read_msr(unsigned long msr)
1265 static inline u32 get_rdx_init_val(void)
1267 return 0x600; /* P6 family */
1270 static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
1272 kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
1275 static inline u64 get_canonical(u64 la)
1277 return ((int64_t)la << 16) >> 16;
1280 static inline bool is_noncanonical_address(u64 la)
1282 #ifdef CONFIG_X86_64
1283 return get_canonical(la) != la;
1289 #define TSS_IOPB_BASE_OFFSET 0x66
1290 #define TSS_BASE_SIZE 0x68
1291 #define TSS_IOPB_SIZE (65536 / 8)
1292 #define TSS_REDIRECTION_SIZE (256 / 8)
1293 #define RMODE_TSS_SIZE \
1294 (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
1297 TASK_SWITCH_CALL = 0,
1298 TASK_SWITCH_IRET = 1,
1299 TASK_SWITCH_JMP = 2,
1300 TASK_SWITCH_GATE = 3,
1303 #define HF_GIF_MASK (1 << 0)
1304 #define HF_HIF_MASK (1 << 1)
1305 #define HF_VINTR_MASK (1 << 2)
1306 #define HF_NMI_MASK (1 << 3)
1307 #define HF_IRET_MASK (1 << 4)
1308 #define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */
1309 #define HF_SMM_MASK (1 << 6)
1310 #define HF_SMM_INSIDE_NMI_MASK (1 << 7)
1312 #define __KVM_VCPU_MULTIPLE_ADDRESS_SPACE
1313 #define KVM_ADDRESS_SPACE_NUM 2
1315 #define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0)
1316 #define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm)
1318 asmlinkage void __noreturn kvm_spurious_fault(void);
1321 * Hardware virtualization extension instructions may fault if a
1322 * reboot turns off virtualization while processes are running.
1323 * Usually after catching the fault we just panic; during reboot
1324 * instead the instruction is ignored.
1326 #define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \
1331 "call kvm_spurious_fault \n\t" \
1333 ".pushsection .fixup, \"ax\" \n\t" \
1335 cleanup_insn "\n\t" \
1336 "cmpb $0, kvm_rebooting\n\t" \
1339 ".popsection \n\t" \
1340 _ASM_EXTABLE(666b, 700b)
1342 #define __kvm_handle_fault_on_reboot(insn) \
1343 ____kvm_handle_fault_on_reboot(insn, "")
1345 #define KVM_ARCH_WANT_MMU_NOTIFIER
1346 int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
1347 int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end);
1348 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
1349 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
1350 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
1351 int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v);
1352 int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu);
1353 int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);
1354 int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
1355 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event);
1356 void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu);
1357 void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
1358 unsigned long address);
1360 u64 kvm_get_arch_capabilities(void);
1361 void kvm_define_shared_msr(unsigned index, u32 msr);
1362 int kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
1364 u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc);
1365 u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc);
1367 unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu);
1368 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
1370 void kvm_make_mclock_inprogress_request(struct kvm *kvm);
1371 void kvm_make_scan_ioapic_request(struct kvm *kvm);
1373 void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
1374 struct kvm_async_pf *work);
1375 void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
1376 struct kvm_async_pf *work);
1377 void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
1378 struct kvm_async_pf *work);
1379 bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
1380 extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
1382 void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
1384 int kvm_is_in_guest(void);
1386 int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
1387 int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
1388 bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu);
1389 bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu);
1391 bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,
1392 struct kvm_vcpu **dest_vcpu);
1394 void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e,
1395 struct kvm_lapic_irq *irq);
1397 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)
1399 if (kvm_x86_ops->vcpu_blocking)
1400 kvm_x86_ops->vcpu_blocking(vcpu);
1403 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)
1405 if (kvm_x86_ops->vcpu_unblocking)
1406 kvm_x86_ops->vcpu_unblocking(vcpu);
1409 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
1411 static inline int kvm_cpu_get_apicid(int mps_cpu)
1413 #ifdef CONFIG_X86_LOCAL_APIC
1414 return __default_cpu_present_to_apicid(mps_cpu);
1421 void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
1422 unsigned long start, unsigned long end);
1424 #endif /* _ASM_X86_KVM_HOST_H */