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>
28 #include <asm/guest-state-buffer.h>
30 #define __KVM_HAVE_ARCH_VCPU_DEBUGFS
32 #define KVM_MAX_VCPUS NR_CPUS
33 #define KVM_MAX_VCORES NR_CPUS
35 #include <asm/cputhreads.h>
37 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
38 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */
39 #define KVM_MAX_VCPU_IDS (MAX_SMT_THREADS * KVM_MAX_VCORES)
42 * Limit the nested partition table to 4096 entries (because that's what
43 * hardware supports). Both guest and host use this value.
45 #define KVM_MAX_NESTED_GUESTS_SHIFT 12
48 #define KVM_MAX_VCPU_IDS KVM_MAX_VCPUS
49 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
51 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
53 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */
55 /* These values are internal and can be increased later */
56 #define KVM_NR_IRQCHIPS 1
57 #define KVM_IRQCHIP_NUM_PINS 256
59 /* PPC-specific vcpu->requests bit members */
60 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0)
61 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1)
62 #define KVM_REQ_PENDING_TIMER KVM_ARCH_REQ(2)
64 #include <linux/mmu_notifier.h>
66 #define KVM_ARCH_WANT_MMU_NOTIFIER
68 #define HPTEG_CACHE_NUM (1 << 15)
69 #define HPTEG_HASH_BITS_PTE 13
70 #define HPTEG_HASH_BITS_PTE_LONG 12
71 #define HPTEG_HASH_BITS_VPTE 13
72 #define HPTEG_HASH_BITS_VPTE_LONG 5
73 #define HPTEG_HASH_BITS_VPTE_64K 11
74 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
75 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG)
76 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
77 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
78 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K)
80 /* Physical Address Mask - allowed range of real mode RAM access */
81 #define KVM_PAM 0x0fffffffffffffffULL
87 struct kvmppc_vcpu_book3s;
88 struct kvmppc_book3s_shadow_vcpu;
89 struct kvm_nested_guest;
92 struct kvm_vm_stat_generic generic;
97 struct kvm_vcpu_stat {
98 struct kvm_vcpu_stat_generic generic;
103 /* Account for special types of light exits: */
104 u64 itlb_real_miss_exits;
105 u64 itlb_virt_miss_exits;
106 u64 dtlb_real_miss_exits;
107 u64 dtlb_virt_miss_exits;
111 u64 emulated_inst_exits;
114 u64 halt_successful_wait;
119 #ifdef CONFIG_PPC_BOOK3S
133 enum kvm_exit_types {
136 ITLB_REAL_MISS_EXITS,
137 ITLB_VIRT_MISS_EXITS,
138 DTLB_REAL_MISS_EXITS,
139 DTLB_VIRT_MISS_EXITS,
144 EMULATED_MTMSRWE_EXITS,
145 EMULATED_WRTEE_EXITS,
146 EMULATED_MTSPR_EXITS,
147 EMULATED_MFSPR_EXITS,
148 EMULATED_MTMSR_EXITS,
149 EMULATED_MFMSR_EXITS,
150 EMULATED_TLBSX_EXITS,
151 EMULATED_TLBWE_EXITS,
164 __NUMBER_OF_KVM_EXIT_TYPES
167 /* allow access to big endian 32bit upper/lower parts and 64bit var */
168 struct kvmppc_exit_timing {
177 struct kvmppc_pginfo {
182 struct kvmppc_spapr_tce_iommu_table {
184 struct list_head next;
185 struct iommu_table *tbl;
189 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64))
191 struct kvmppc_spapr_tce_table {
192 struct list_head list;
197 u64 offset; /* in pages */
198 u64 size; /* window size in pages */
199 struct list_head iommu_tables;
200 struct mutex alloc_lock;
201 struct page *pages[];
204 /* XICS components, defined in book3s_xics.c */
207 extern struct kvm_device_ops kvm_xics_ops;
209 /* XIVE components, defined in book3s_xive.c */
211 struct kvmppc_xive_vcpu;
212 extern struct kvm_device_ops kvm_xive_ops;
213 extern struct kvm_device_ops kvm_xive_native_ops;
215 struct kvmppc_passthru_irqmap;
218 * The reverse mapping array has one entry for each HPTE,
219 * which stores the guest's view of the second word of the HPTE
220 * (including the guest physical address of the mapping),
221 * plus forward and backward pointers in a doubly-linked ring
222 * of HPTEs that map the same host page. The pointers in this
223 * ring are 32-bit HPTE indexes, to save space.
225 struct revmap_entry {
226 unsigned long guest_rpte;
227 unsigned int forw, back;
231 * The rmap array of size number of guest pages is allocated for each memslot.
232 * This array is used to store usage specific information about the guest page.
233 * Below are the encodings of the various possible usage types.
235 /* Free bits which can be used to define a new usage */
236 #define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000
237 #define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */
238 #define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */
241 * rmap usage definition for a hash page table (hpt) guest:
242 * 0x0000080000000000 Lock bit
243 * 0x0000018000000000 RC bits
244 * 0x0000000100000000 Present bit
245 * 0x00000000ffffffff HPT index bits
246 * The bottom 32 bits are the index in the guest HPT of a HPTE that points to
249 #define KVMPPC_RMAP_LOCK_BIT 43
250 #define KVMPPC_RMAP_RC_SHIFT 32
251 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
252 #define KVMPPC_RMAP_PRESENT 0x100000000ul
253 #define KVMPPC_RMAP_INDEX 0xfffffffful
255 struct kvm_arch_memory_slot {
256 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
258 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
261 struct kvm_hpt_info {
262 /* Host virtual (linear mapping) address of guest HPT */
264 /* Array of reverse mapping entries for each guest HPTE */
265 struct revmap_entry *rev;
266 /* Guest HPT size is 2**(order) bytes */
268 /* 1 if HPT allocated with CMA, 0 otherwise */
272 struct kvm_resize_hpt;
274 /* Flag values for kvm_arch.secure_guest */
275 #define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */
276 #define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */
277 #define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */
281 unsigned int smt_mode; /* # vcpus per virtual core */
282 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */
283 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
284 unsigned int tlb_sets;
285 struct kvm_hpt_info hpt;
286 atomic64_t mmio_update;
287 unsigned int host_lpid;
288 unsigned long host_lpcr;
290 unsigned long host_sdr1;
292 unsigned long vrma_slb_v;
294 atomic_t vcpus_running;
296 atomic_t hpte_mod_interest;
297 cpumask_t need_tlb_flush;
306 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
307 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
308 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
309 struct mutex hpt_mutex;
311 #ifdef CONFIG_PPC_BOOK3S_64
312 struct list_head spapr_tce_tables;
313 struct list_head rtas_tokens;
314 struct mutex rtas_token_lock;
315 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
317 #ifdef CONFIG_KVM_MPIC
318 struct openpic *mpic;
320 #ifdef CONFIG_KVM_XICS
321 struct kvmppc_xics *xics;
322 struct kvmppc_xics *xics_device;
323 struct kvmppc_xive *xive; /* Current XIVE device in use */
325 struct kvmppc_xive *native;
326 struct kvmppc_xive *xics_on_xive;
328 struct kvmppc_passthru_irqmap *pimap;
330 struct kvmppc_ops *kvm_ops;
331 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
332 struct mutex uvmem_lock;
333 struct list_head uvmem_pfns;
334 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */
336 struct idr kvm_nested_guest_idr;
337 /* This array can grow quite large, keep it at the end */
338 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
342 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff)
343 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8)
344 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0)
346 /* This bit is used when a vcore exit is triggered from outside the vcore */
347 #define VCORE_EXIT_REQ 0x10000
350 * Values for vcore_state.
351 * Note that these are arranged such that lower values
352 * (< VCORE_SLEEPING) don't require stolen time accounting
353 * on load/unload, and higher values do.
355 #define VCORE_INACTIVE 0
356 #define VCORE_PREEMPT 1
357 #define VCORE_PIGGYBACK 2
358 #define VCORE_SLEEPING 3
359 #define VCORE_RUNNING 4
360 #define VCORE_EXITING 5
361 #define VCORE_POLLING 6
364 * Struct used to manage memory for a virtual processor area
365 * registered by a PAPR guest. There are three types of area
366 * that a guest can register.
369 unsigned long gpa; /* Current guest phys addr */
370 void *pinned_addr; /* Address in kernel linear mapping */
371 void *pinned_end; /* End of region */
372 unsigned long next_gpa; /* Guest phys addr for update */
373 unsigned long len; /* Number of bytes required */
374 u8 update_pending; /* 1 => update pinned_addr from next_gpa */
375 bool dirty; /* true => area has been modified by kernel */
384 bool may_execute : 1;
387 u8 page_size; /* MMU_PAGE_xxx */
393 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
394 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
395 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
396 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb);
397 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
398 void (*slbia)(struct kvm_vcpu *vcpu);
400 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
401 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
402 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
403 struct kvmppc_pte *pte, bool data, bool iswrite);
404 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
405 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
406 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
407 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
419 bool large : 1; /* PTEs are 16MB */
420 bool tb : 1; /* 1TB segment */
422 u8 base_page_size; /* MMU_PAGE_xxx */
425 /* Struct used to accumulate timing information in HV real mode code */
426 struct kvmhv_tb_accumulator {
427 u64 seqcount; /* used to synchronize access, also count * 2 */
428 u64 tb_total; /* total time in timebase ticks */
429 u64 tb_min; /* min time */
430 u64 tb_max; /* max time */
433 #ifdef CONFIG_PPC_BOOK3S_64
434 struct kvmppc_irq_map {
437 struct irq_desc *desc;
440 #define KVMPPC_PIRQ_MAPPED 1024
441 struct kvmppc_passthru_irqmap {
443 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED];
447 # ifdef CONFIG_PPC_E500
448 #define KVMPPC_BOOKE_IAC_NUM 2
449 #define KVMPPC_BOOKE_DAC_NUM 2
451 #define KVMPPC_BOOKE_IAC_NUM 4
452 #define KVMPPC_BOOKE_DAC_NUM 2
454 #define KVMPPC_BOOKE_MAX_IAC 4
455 #define KVMPPC_BOOKE_MAX_DAC 2
457 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
458 #define KVMPPC_EPR_NONE 0 /* EPR not supported */
459 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */
460 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */
462 #define KVMPPC_IRQ_DEFAULT 0
463 #define KVMPPC_IRQ_MPIC 1
464 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */
465 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */
467 #define MMIO_HPTE_CACHE_SIZE 4
469 struct mmio_hpte_cache_entry {
470 unsigned long hpte_v;
471 unsigned long hpte_r;
473 unsigned long pte_index;
477 unsigned int slb_base_pshift;
480 struct mmio_hpte_cache {
481 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE];
485 #define KVMPPC_VSX_COPY_NONE 0
486 #define KVMPPC_VSX_COPY_WORD 1
487 #define KVMPPC_VSX_COPY_DWORD 2
488 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3
489 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4
491 #define KVMPPC_VMX_COPY_BYTE 8
492 #define KVMPPC_VMX_COPY_HWORD 9
493 #define KVMPPC_VMX_COPY_WORD 10
494 #define KVMPPC_VMX_COPY_DWORD 11
498 /* W0 and W1 of a XIVE thread management context */
513 /* Nestedv2 H_GUEST_RUN_VCPU configuration */
514 struct kvmhv_nestedv2_config {
515 struct kvmppc_gs_buff_info vcpu_run_output_cfg;
516 struct kvmppc_gs_buff_info vcpu_run_input_cfg;
517 u64 vcpu_run_output_size;
520 /* Nestedv2 L1<->L0 communication state */
521 struct kvmhv_nestedv2_io {
522 struct kvmhv_nestedv2_config cfg;
523 struct kvmppc_gs_buff *vcpu_run_output;
524 struct kvmppc_gs_buff *vcpu_run_input;
525 struct kvmppc_gs_msg *vcpu_message;
526 struct kvmppc_gs_msg *vcore_message;
527 struct kvmppc_gs_bitmap valids;
530 struct kvm_vcpu_arch {
533 #ifdef CONFIG_PPC_BOOK3S
534 struct kvmppc_slb slb[64];
535 int slb_max; /* 1 + index of last valid entry in slb[] */
536 int slb_nr; /* total number of entries in SLB */
537 struct kvmppc_mmu mmu;
538 struct kvmppc_vcpu_book3s *book3s;
540 #ifdef CONFIG_PPC_BOOK3S_32
541 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
545 * This is passed along to the HV via H_ENTER_NESTED. Align to
546 * prevent it crossing a real 4K page.
548 struct pt_regs regs __aligned(512);
550 struct thread_fp_state fp;
558 #ifdef CONFIG_ALTIVEC
559 struct thread_vr_state vr;
562 #ifdef CONFIG_KVM_BOOKE_HV
572 #if defined(CONFIG_BOOKE)
573 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
578 #ifdef CONFIG_PPC_BOOK3S
579 /* For Gekko paired singles */
583 #ifdef CONFIG_PPC_BOOK3S
587 #ifdef CONFIG_PPC_BOOK3S
589 ulong guest_owned_ext;
609 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
627 u32 vrsave; /* also USPRG0 */
629 /* shadow_msr is unused for BookE HV */
642 /* Time base value when we entered the guest */
647 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
661 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */
669 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
686 struct thread_fp_state fp_tm;
688 struct thread_vr_state vr_tm;
689 u32 vrsave_tm; /* also USPRG0 */
692 #ifdef CONFIG_KVM_EXIT_TIMING
693 struct mutex exit_timing_lock;
694 struct kvmppc_exit_timing timing_exit;
695 struct kvmppc_exit_timing timing_last_enter;
697 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
698 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
699 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
700 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
701 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
702 u64 timing_last_exit;
705 #ifdef CONFIG_PPC_BOOK3S
708 unsigned long intr_msr;
710 * POWER9 and later: fault_gpa contains the guest real address of page
711 * fault for a radix guest, or segment descriptor (equivalent to result
712 * from slbmfev of SLB entry that translated the EA) for hash guests.
723 struct timer_list wdt_timer;
732 /* guest debug registers*/
733 struct debug_reg dbg_reg;
735 gpa_t paddr_accessed;
736 gva_t vaddr_accessed;
739 u16 io_gpr; /* GPR used as IO source/target */
740 u8 mmio_host_swabbed;
742 /* conversion between single and double precision */
745 * Number of simulations for vsx.
746 * If we use 2*8bytes to simulate 1*16bytes,
747 * then the number should be 2 and
748 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD.
749 * If we use 4*4bytes to simulate 1*16bytes,
750 * the number should be 4 and
751 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD.
753 u8 mmio_vsx_copy_nums;
755 u8 mmio_vmx_copy_nums;
765 u8 epr_flags; /* KVMPPC_EPR_xxx */
767 u8 external_oneshot; /* clear external irq after delivery */
769 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
771 struct hrtimer dec_timer;
773 u64 dec_expires; /* Relative to guest timebase. */
774 unsigned long pending_exceptions;
778 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
779 unsigned long last_inst;
782 struct rcuwait *waitp;
783 struct kvmppc_vcore *vcore;
791 wait_queue_head_t cpu_run;
792 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */
794 struct kvm_vcpu_arch_shared *shared;
795 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
796 bool shared_big_endian;
798 unsigned long magic_page_pa; /* phys addr to map the magic page to */
799 unsigned long magic_page_ea; /* effect. addr to map the magic page to */
800 bool disable_kernel_nx;
802 int irq_type; /* one of KVM_IRQ_* */
804 struct openpic *mpic; /* KVM_IRQ_MPIC */
805 #ifdef CONFIG_KVM_XICS
806 struct kvmppc_icp *icp; /* XICS presentation controller */
807 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */
808 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */
809 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */
810 u8 xive_esc_on; /* Is the escalation irq enabled ? */
811 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */
812 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */
813 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */
816 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
817 struct kvm_vcpu_arch_shared shregs;
819 struct mmio_hpte_cache mmio_cache;
820 unsigned long pgfault_addr;
822 unsigned long pgfault_hpte[2];
823 struct mmio_hpte_cache_entry *pgfault_cache;
825 struct task_struct *run_task;
827 spinlock_t vpa_update_lock;
828 struct kvmppc_vpa vpa;
829 struct kvmppc_vpa dtl;
830 struct dtl_entry *dtl_ptr;
831 unsigned long dtl_index;
833 struct kvmppc_vpa slb_shadow;
835 spinlock_t tbacct_lock;
843 u64 hfscr_permitted; /* A mask of permitted HFSCR facilities */
845 /* For support of nested guests */
846 struct kvm_nested_guest *nested;
847 u64 nested_hfscr; /* HFSCR that the L1 requested for the nested guest */
850 /* For nested APIv2 guests*/
851 struct kvmhv_nestedv2_io nestedv2_io;
854 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
855 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */
856 u64 cur_tb_start; /* when it started */
857 #ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING
858 struct kvmhv_tb_accumulator vcpu_entry;
859 struct kvmhv_tb_accumulator vcpu_exit;
860 struct kvmhv_tb_accumulator in_guest;
861 struct kvmhv_tb_accumulator hcall;
862 struct kvmhv_tb_accumulator pg_fault;
863 struct kvmhv_tb_accumulator guest_entry;
864 struct kvmhv_tb_accumulator guest_exit;
866 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */
867 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */
868 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */
869 struct kvmhv_tb_accumulator guest_time; /* guest execution */
870 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
872 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
875 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
876 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j])
877 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i])
879 /* Values for vcpu->arch.state */
880 #define KVMPPC_VCPU_NOTREADY 0
881 #define KVMPPC_VCPU_RUNNABLE 1
882 #define KVMPPC_VCPU_BUSY_IN_HOST 2
884 /* Values for vcpu->arch.io_gpr */
885 #define KVM_MMIO_REG_MASK 0x003f
886 #define KVM_MMIO_REG_EXT_MASK 0xffc0
887 #define KVM_MMIO_REG_GPR 0x0000
888 #define KVM_MMIO_REG_FPR 0x0040
889 #define KVM_MMIO_REG_QPR 0x0080
890 #define KVM_MMIO_REG_FQPR 0x00c0
891 #define KVM_MMIO_REG_VSX 0x0100
892 #define KVM_MMIO_REG_VMX 0x0180
893 #define KVM_MMIO_REG_NESTED_GPR 0xffc0
896 #define __KVM_HAVE_ARCH_WQP
897 #define __KVM_HAVE_CREATE_DEVICE
899 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
900 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
901 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
902 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
903 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
904 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
906 #endif /* __POWERPC_KVM_HOST_H__ */