1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright IBM Corp. 2007
6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
9 #ifndef __POWERPC_KVM_HOST_H__
10 #define __POWERPC_KVM_HOST_H__
12 #include <linux/mutex.h>
13 #include <linux/hrtimer.h>
14 #include <linux/interrupt.h>
15 #include <linux/types.h>
16 #include <linux/kvm_types.h>
17 #include <linux/threads.h>
18 #include <linux/spinlock.h>
19 #include <linux/kvm_para.h>
20 #include <linux/list.h>
21 #include <linux/atomic.h>
22 #include <asm/kvm_asm.h>
23 #include <asm/processor.h>
25 #include <asm/cacheflush.h>
26 #include <asm/hvcall.h>
29 #define KVM_MAX_VCPUS NR_CPUS
30 #define KVM_MAX_VCORES NR_CPUS
31 #define KVM_USER_MEM_SLOTS 512
33 #include <asm/cputhreads.h>
35 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
36 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */
37 #define KVM_MAX_VCPU_ID (MAX_SMT_THREADS * KVM_MAX_VCORES)
38 #define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS
41 #define KVM_MAX_VCPU_ID KVM_MAX_VCPUS
42 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
44 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
46 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */
48 /* These values are internal and can be increased later */
49 #define KVM_NR_IRQCHIPS 1
50 #define KVM_IRQCHIP_NUM_PINS 256
52 /* PPC-specific vcpu->requests bit members */
53 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0)
54 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1)
56 #include <linux/mmu_notifier.h>
58 #define KVM_ARCH_WANT_MMU_NOTIFIER
60 extern int kvm_unmap_hva_range(struct kvm *kvm,
61 unsigned long start, unsigned long end,
63 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
64 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
65 extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
67 #define HPTEG_CACHE_NUM (1 << 15)
68 #define HPTEG_HASH_BITS_PTE 13
69 #define HPTEG_HASH_BITS_PTE_LONG 12
70 #define HPTEG_HASH_BITS_VPTE 13
71 #define HPTEG_HASH_BITS_VPTE_LONG 5
72 #define HPTEG_HASH_BITS_VPTE_64K 11
73 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
74 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG)
75 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
76 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
77 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K)
79 /* Physical Address Mask - allowed range of real mode RAM access */
80 #define KVM_PAM 0x0fffffffffffffffULL
86 struct kvmppc_vcpu_book3s;
87 struct kvmppc_book3s_shadow_vcpu;
88 struct kvm_nested_guest;
91 ulong remote_tlb_flush;
96 struct kvm_vcpu_stat {
101 /* Account for special types of light exits: */
102 u64 itlb_real_miss_exits;
103 u64 itlb_virt_miss_exits;
104 u64 dtlb_real_miss_exits;
105 u64 dtlb_virt_miss_exits;
109 u64 emulated_inst_exits;
112 u64 halt_poll_success_ns;
113 u64 halt_poll_fail_ns;
115 u64 halt_successful_poll;
116 u64 halt_attempted_poll;
117 u64 halt_successful_wait;
118 u64 halt_poll_invalid;
124 #ifdef CONFIG_PPC_BOOK3S
138 enum kvm_exit_types {
141 ITLB_REAL_MISS_EXITS,
142 ITLB_VIRT_MISS_EXITS,
143 DTLB_REAL_MISS_EXITS,
144 DTLB_VIRT_MISS_EXITS,
149 EMULATED_MTMSRWE_EXITS,
150 EMULATED_WRTEE_EXITS,
151 EMULATED_MTSPR_EXITS,
152 EMULATED_MFSPR_EXITS,
153 EMULATED_MTMSR_EXITS,
154 EMULATED_MFMSR_EXITS,
155 EMULATED_TLBSX_EXITS,
156 EMULATED_TLBWE_EXITS,
169 __NUMBER_OF_KVM_EXIT_TYPES
172 /* allow access to big endian 32bit upper/lower parts and 64bit var */
173 struct kvmppc_exit_timing {
182 struct kvmppc_pginfo {
187 struct kvmppc_spapr_tce_iommu_table {
189 struct list_head next;
190 struct iommu_table *tbl;
194 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64))
196 struct kvmppc_spapr_tce_table {
197 struct list_head list;
202 u64 offset; /* in pages */
203 u64 size; /* window size in pages */
204 struct list_head iommu_tables;
205 struct mutex alloc_lock;
206 struct page *pages[0];
209 /* XICS components, defined in book3s_xics.c */
212 extern struct kvm_device_ops kvm_xics_ops;
214 /* XIVE components, defined in book3s_xive.c */
216 struct kvmppc_xive_vcpu;
217 extern struct kvm_device_ops kvm_xive_ops;
218 extern struct kvm_device_ops kvm_xive_native_ops;
220 struct kvmppc_passthru_irqmap;
223 * The reverse mapping array has one entry for each HPTE,
224 * which stores the guest's view of the second word of the HPTE
225 * (including the guest physical address of the mapping),
226 * plus forward and backward pointers in a doubly-linked ring
227 * of HPTEs that map the same host page. The pointers in this
228 * ring are 32-bit HPTE indexes, to save space.
230 struct revmap_entry {
231 unsigned long guest_rpte;
232 unsigned int forw, back;
236 * The rmap array of size number of guest pages is allocated for each memslot.
237 * This array is used to store usage specific information about the guest page.
238 * Below are the encodings of the various possible usage types.
240 /* Free bits which can be used to define a new usage */
241 #define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000
242 #define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */
243 #define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */
246 * rmap usage definition for a hash page table (hpt) guest:
247 * 0x0000080000000000 Lock bit
248 * 0x0000018000000000 RC bits
249 * 0x0000000100000000 Present bit
250 * 0x00000000ffffffff HPT index bits
251 * The bottom 32 bits are the index in the guest HPT of a HPTE that points to
254 #define KVMPPC_RMAP_LOCK_BIT 43
255 #define KVMPPC_RMAP_RC_SHIFT 32
256 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
257 #define KVMPPC_RMAP_PRESENT 0x100000000ul
258 #define KVMPPC_RMAP_INDEX 0xfffffffful
260 struct kvm_arch_memory_slot {
261 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
263 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
266 struct kvm_hpt_info {
267 /* Host virtual (linear mapping) address of guest HPT */
269 /* Array of reverse mapping entries for each guest HPTE */
270 struct revmap_entry *rev;
271 /* Guest HPT size is 2**(order) bytes */
273 /* 1 if HPT allocated with CMA, 0 otherwise */
277 struct kvm_resize_hpt;
279 /* Flag values for kvm_arch.secure_guest */
280 #define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */
281 #define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */
282 #define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */
286 unsigned int smt_mode; /* # vcpus per virtual core */
287 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */
288 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
289 unsigned int tlb_sets;
290 struct kvm_hpt_info hpt;
291 atomic64_t mmio_update;
292 unsigned int host_lpid;
293 unsigned long host_lpcr;
295 unsigned long host_sdr1;
297 unsigned long vrma_slb_v;
299 atomic_t vcpus_running;
301 atomic_t hpte_mod_interest;
302 cpumask_t need_tlb_flush;
303 cpumask_t cpu_in_guest;
312 struct dentry *debugfs_dir;
313 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
314 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
315 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
316 struct mutex hpt_mutex;
318 #ifdef CONFIG_PPC_BOOK3S_64
319 struct list_head spapr_tce_tables;
320 struct list_head rtas_tokens;
321 struct mutex rtas_token_lock;
322 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
324 #ifdef CONFIG_KVM_MPIC
325 struct openpic *mpic;
327 #ifdef CONFIG_KVM_XICS
328 struct kvmppc_xics *xics;
329 struct kvmppc_xive *xive; /* Current XIVE device in use */
331 struct kvmppc_xive *native;
332 struct kvmppc_xive *xics_on_xive;
334 struct kvmppc_passthru_irqmap *pimap;
336 struct kvmppc_ops *kvm_ops;
337 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
338 struct mutex uvmem_lock;
339 struct list_head uvmem_pfns;
340 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */
343 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS];
344 /* This array can grow quite large, keep it at the end */
345 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
349 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff)
350 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8)
351 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0)
353 /* This bit is used when a vcore exit is triggered from outside the vcore */
354 #define VCORE_EXIT_REQ 0x10000
357 * Values for vcore_state.
358 * Note that these are arranged such that lower values
359 * (< VCORE_SLEEPING) don't require stolen time accounting
360 * on load/unload, and higher values do.
362 #define VCORE_INACTIVE 0
363 #define VCORE_PREEMPT 1
364 #define VCORE_PIGGYBACK 2
365 #define VCORE_SLEEPING 3
366 #define VCORE_RUNNING 4
367 #define VCORE_EXITING 5
368 #define VCORE_POLLING 6
371 * Struct used to manage memory for a virtual processor area
372 * registered by a PAPR guest. There are three types of area
373 * that a guest can register.
376 unsigned long gpa; /* Current guest phys addr */
377 void *pinned_addr; /* Address in kernel linear mapping */
378 void *pinned_end; /* End of region */
379 unsigned long next_gpa; /* Guest phys addr for update */
380 unsigned long len; /* Number of bytes required */
381 u8 update_pending; /* 1 => update pinned_addr from next_gpa */
382 bool dirty; /* true => area has been modified by kernel */
391 bool may_execute : 1;
394 u8 page_size; /* MMU_PAGE_xxx */
400 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
401 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
402 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
403 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb);
404 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
405 void (*slbia)(struct kvm_vcpu *vcpu);
407 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
408 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
409 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
410 struct kvmppc_pte *pte, bool data, bool iswrite);
411 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
412 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
413 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
414 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
426 bool large : 1; /* PTEs are 16MB */
427 bool tb : 1; /* 1TB segment */
429 u8 base_page_size; /* MMU_PAGE_xxx */
432 /* Struct used to accumulate timing information in HV real mode code */
433 struct kvmhv_tb_accumulator {
434 u64 seqcount; /* used to synchronize access, also count * 2 */
435 u64 tb_total; /* total time in timebase ticks */
436 u64 tb_min; /* min time */
437 u64 tb_max; /* max time */
440 #ifdef CONFIG_PPC_BOOK3S_64
441 struct kvmppc_irq_map {
444 struct irq_desc *desc;
447 #define KVMPPC_PIRQ_MAPPED 1024
448 struct kvmppc_passthru_irqmap {
450 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED];
454 # ifdef CONFIG_PPC_FSL_BOOK3E
455 #define KVMPPC_BOOKE_IAC_NUM 2
456 #define KVMPPC_BOOKE_DAC_NUM 2
458 #define KVMPPC_BOOKE_IAC_NUM 4
459 #define KVMPPC_BOOKE_DAC_NUM 2
461 #define KVMPPC_BOOKE_MAX_IAC 4
462 #define KVMPPC_BOOKE_MAX_DAC 2
464 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
465 #define KVMPPC_EPR_NONE 0 /* EPR not supported */
466 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */
467 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */
469 #define KVMPPC_IRQ_DEFAULT 0
470 #define KVMPPC_IRQ_MPIC 1
471 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */
472 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */
474 #define MMIO_HPTE_CACHE_SIZE 4
476 struct mmio_hpte_cache_entry {
477 unsigned long hpte_v;
478 unsigned long hpte_r;
480 unsigned long pte_index;
484 unsigned int slb_base_pshift;
487 struct mmio_hpte_cache {
488 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE];
492 #define KVMPPC_VSX_COPY_NONE 0
493 #define KVMPPC_VSX_COPY_WORD 1
494 #define KVMPPC_VSX_COPY_DWORD 2
495 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3
496 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4
498 #define KVMPPC_VMX_COPY_BYTE 8
499 #define KVMPPC_VMX_COPY_HWORD 9
500 #define KVMPPC_VMX_COPY_WORD 10
501 #define KVMPPC_VMX_COPY_DWORD 11
505 /* W0 and W1 of a XIVE thread management context */
520 struct kvm_vcpu_arch {
523 #ifdef CONFIG_PPC_BOOK3S
524 struct kvmppc_slb slb[64];
525 int slb_max; /* 1 + index of last valid entry in slb[] */
526 int slb_nr; /* total number of entries in SLB */
527 struct kvmppc_mmu mmu;
528 struct kvmppc_vcpu_book3s *book3s;
530 #ifdef CONFIG_PPC_BOOK3S_32
531 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
536 struct thread_fp_state fp;
544 #ifdef CONFIG_ALTIVEC
545 struct thread_vr_state vr;
548 #ifdef CONFIG_KVM_BOOKE_HV
558 #if defined(CONFIG_BOOKE)
559 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
564 #ifdef CONFIG_PPC_BOOK3S
565 /* For Gekko paired singles */
569 #ifdef CONFIG_PPC_BOOK3S
573 #ifdef CONFIG_PPC_BOOK3S
575 ulong guest_owned_ext;
607 u32 vrsave; /* also USPRG0 */
609 /* shadow_msr is unused for BookE HV */
622 /* Time base value when we entered the guest */
627 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
641 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */
649 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
666 struct thread_fp_state fp_tm;
668 struct thread_vr_state vr_tm;
669 u32 vrsave_tm; /* also USPRG0 */
672 #ifdef CONFIG_KVM_EXIT_TIMING
673 struct mutex exit_timing_lock;
674 struct kvmppc_exit_timing timing_exit;
675 struct kvmppc_exit_timing timing_last_enter;
677 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
678 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
679 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
680 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
681 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
682 u64 timing_last_exit;
683 struct dentry *debugfs_exit_timing;
686 #ifdef CONFIG_PPC_BOOK3S
689 unsigned long intr_msr;
690 ulong fault_gpa; /* guest real address of page fault (POWER9) */
699 struct timer_list wdt_timer;
708 /* guest debug registers*/
709 struct debug_reg dbg_reg;
711 gpa_t paddr_accessed;
712 gva_t vaddr_accessed;
715 u16 io_gpr; /* GPR used as IO source/target */
716 u8 mmio_host_swabbed;
718 /* conversion between single and double precision */
721 * Number of simulations for vsx.
722 * If we use 2*8bytes to simulate 1*16bytes,
723 * then the number should be 2 and
724 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD.
725 * If we use 4*4bytes to simulate 1*16bytes,
726 * the number should be 4 and
727 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD.
729 u8 mmio_vsx_copy_nums;
731 u8 mmio_vmx_copy_nums;
741 u8 epr_flags; /* KVMPPC_EPR_xxx */
743 u8 external_oneshot; /* clear external irq after delivery */
745 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
747 struct hrtimer dec_timer;
750 unsigned long pending_exceptions;
754 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
757 struct rcuwait *waitp;
758 struct kvmppc_vcore *vcore;
766 wait_queue_head_t cpu_run;
767 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */
769 struct kvm_vcpu_arch_shared *shared;
770 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
771 bool shared_big_endian;
773 unsigned long magic_page_pa; /* phys addr to map the magic page to */
774 unsigned long magic_page_ea; /* effect. addr to map the magic page to */
775 bool disable_kernel_nx;
777 int irq_type; /* one of KVM_IRQ_* */
779 struct openpic *mpic; /* KVM_IRQ_MPIC */
780 #ifdef CONFIG_KVM_XICS
781 struct kvmppc_icp *icp; /* XICS presentation controller */
782 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */
783 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */
784 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */
785 u8 xive_esc_on; /* Is the escalation irq enabled ? */
786 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */
787 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */
788 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */
791 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
792 struct kvm_vcpu_arch_shared shregs;
794 struct mmio_hpte_cache mmio_cache;
795 unsigned long pgfault_addr;
797 unsigned long pgfault_hpte[2];
798 struct mmio_hpte_cache_entry *pgfault_cache;
800 struct task_struct *run_task;
802 spinlock_t vpa_update_lock;
803 struct kvmppc_vpa vpa;
804 struct kvmppc_vpa dtl;
805 struct dtl_entry *dtl_ptr;
806 unsigned long dtl_index;
808 struct kvmppc_vpa slb_shadow;
810 spinlock_t tbacct_lock;
818 /* For support of nested guests */
819 struct kvm_nested_guest *nested;
824 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
825 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */
826 u64 cur_tb_start; /* when it started */
827 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */
828 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */
829 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */
830 struct kvmhv_tb_accumulator guest_time; /* guest execution */
831 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
833 struct dentry *debugfs_dir;
834 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
837 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
838 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j])
839 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i])
841 /* Values for vcpu->arch.state */
842 #define KVMPPC_VCPU_NOTREADY 0
843 #define KVMPPC_VCPU_RUNNABLE 1
844 #define KVMPPC_VCPU_BUSY_IN_HOST 2
846 /* Values for vcpu->arch.io_gpr */
847 #define KVM_MMIO_REG_MASK 0x003f
848 #define KVM_MMIO_REG_EXT_MASK 0xffc0
849 #define KVM_MMIO_REG_GPR 0x0000
850 #define KVM_MMIO_REG_FPR 0x0040
851 #define KVM_MMIO_REG_QPR 0x0080
852 #define KVM_MMIO_REG_FQPR 0x00c0
853 #define KVM_MMIO_REG_VSX 0x0100
854 #define KVM_MMIO_REG_VMX 0x0180
855 #define KVM_MMIO_REG_NESTED_GPR 0xffc0
858 #define __KVM_HAVE_ARCH_WQP
859 #define __KVM_HAVE_CREATE_DEVICE
861 static inline void kvm_arch_hardware_disable(void) {}
862 static inline void kvm_arch_hardware_unsetup(void) {}
863 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
864 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
865 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
866 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
867 static inline void kvm_arch_exit(void) {}
868 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
869 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
870 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
872 #endif /* __POWERPC_KVM_HOST_H__ */