arch/powerpc/include/asm/kvm_host.h

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License, version 2, as
   4  * published by the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  * GNU General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program; if not, write to the Free Software
  13  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  14  *
  15  * Copyright IBM Corp. 2007
  16  *
  17  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  18  */
  19
  20 #ifndef __POWERPC_KVM_HOST_H__
  21 #define __POWERPC_KVM_HOST_H__
  22
  23 #include <linux/mutex.h>
  24 #include <linux/hrtimer.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/types.h>
  27 #include <linux/kvm_types.h>
  28 #include <linux/threads.h>
  29 #include <linux/spinlock.h>
  30 #include <linux/kvm_para.h>
  31 #include <linux/list.h>
  32 #include <linux/atomic.h>
  33 #include <asm/kvm_asm.h>
  34 #include <asm/processor.h>
  35 #include <asm/page.h>
  36 #include <asm/cacheflush.h>
  37 #include <asm/hvcall.h>
  38
  39 #define KVM_MAX_VCPUS           NR_CPUS
  40 #define KVM_MAX_VCORES          NR_CPUS
  41 #define KVM_USER_MEM_SLOTS 32
  42 #define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS
  43
  44 #ifdef CONFIG_KVM_MMIO
  45 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
  46 #endif
  47
  48 /* These values are internal and can be increased later */
  49 #define KVM_NR_IRQCHIPS          1
  50 #define KVM_IRQCHIP_NUM_PINS     256
  51
  52 #include <linux/mmu_notifier.h>
  53
  54 #define KVM_ARCH_WANT_MMU_NOTIFIER
  55
  56 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
  57 extern int kvm_unmap_hva_range(struct kvm *kvm,
  58                                unsigned long start, unsigned long end);
  59 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
  60 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
  61 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
  62
  63 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
  64                                                          unsigned long address)
  65 {
  66 }
  67
  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)
  79
  80 /* Physical Address Mask - allowed range of real mode RAM access */
  81 #define KVM_PAM                 0x0fffffffffffffffULL
  82
  83 struct lppaca;
  84 struct slb_shadow;
  85 struct dtl_entry;
  86
  87 struct kvmppc_vcpu_book3s;
  88 struct kvmppc_book3s_shadow_vcpu;
  89
  90 struct kvm_vm_stat {
  91         u32 remote_tlb_flush;
  92 };
  93
  94 struct kvm_vcpu_stat {
  95         u32 sum_exits;
  96         u32 mmio_exits;
  97         u32 signal_exits;
  98         u32 light_exits;
  99         /* Account for special types of light exits: */
 100         u32 itlb_real_miss_exits;
 101         u32 itlb_virt_miss_exits;
 102         u32 dtlb_real_miss_exits;
 103         u32 dtlb_virt_miss_exits;
 104         u32 syscall_exits;
 105         u32 isi_exits;
 106         u32 dsi_exits;
 107         u32 emulated_inst_exits;
 108         u32 dec_exits;
 109         u32 ext_intr_exits;
 110         u32 halt_wakeup;
 111         u32 dbell_exits;
 112         u32 gdbell_exits;
 113         u32 ld;
 114         u32 st;
 115 #ifdef CONFIG_PPC_BOOK3S
 116         u32 pf_storage;
 117         u32 pf_instruc;
 118         u32 sp_storage;
 119         u32 sp_instruc;
 120         u32 queue_intr;
 121         u32 ld_slow;
 122         u32 st_slow;
 123 #endif
 124 };
 125
 126 enum kvm_exit_types {
 127         MMIO_EXITS,
 128         SIGNAL_EXITS,
 129         ITLB_REAL_MISS_EXITS,
 130         ITLB_VIRT_MISS_EXITS,
 131         DTLB_REAL_MISS_EXITS,
 132         DTLB_VIRT_MISS_EXITS,
 133         SYSCALL_EXITS,
 134         ISI_EXITS,
 135         DSI_EXITS,
 136         EMULATED_INST_EXITS,
 137         EMULATED_MTMSRWE_EXITS,
 138         EMULATED_WRTEE_EXITS,
 139         EMULATED_MTSPR_EXITS,
 140         EMULATED_MFSPR_EXITS,
 141         EMULATED_MTMSR_EXITS,
 142         EMULATED_MFMSR_EXITS,
 143         EMULATED_TLBSX_EXITS,
 144         EMULATED_TLBWE_EXITS,
 145         EMULATED_RFI_EXITS,
 146         EMULATED_RFCI_EXITS,
 147         EMULATED_RFDI_EXITS,
 148         DEC_EXITS,
 149         EXT_INTR_EXITS,
 150         HALT_WAKEUP,
 151         USR_PR_INST,
 152         FP_UNAVAIL,
 153         DEBUG_EXITS,
 154         TIMEINGUEST,
 155         DBELL_EXITS,
 156         GDBELL_EXITS,
 157         __NUMBER_OF_KVM_EXIT_TYPES
 158 };
 159
 160 /* allow access to big endian 32bit upper/lower parts and 64bit var */
 161 struct kvmppc_exit_timing {
 162         union {
 163                 u64 tv64;
 164                 struct {
 165                         u32 tbu, tbl;
 166                 } tv32;
 167         };
 168 };
 169
 170 struct kvmppc_pginfo {
 171         unsigned long pfn;
 172         atomic_t refcnt;
 173 };
 174
 175 struct kvmppc_spapr_tce_table {
 176         struct list_head list;
 177         struct kvm *kvm;
 178         u64 liobn;
 179         u32 window_size;
 180         struct page *pages[0];
 181 };
 182
 183 /* XICS components, defined in book3s_xics.c */
 184 struct kvmppc_xics;
 185 struct kvmppc_icp;
 186
 187 /*
 188  * The reverse mapping array has one entry for each HPTE,
 189  * which stores the guest's view of the second word of the HPTE
 190  * (including the guest physical address of the mapping),
 191  * plus forward and backward pointers in a doubly-linked ring
 192  * of HPTEs that map the same host page.  The pointers in this
 193  * ring are 32-bit HPTE indexes, to save space.
 194  */
 195 struct revmap_entry {
 196         unsigned long guest_rpte;
 197         unsigned int forw, back;
 198 };
 199
 200 /*
 201  * We use the top bit of each memslot->arch.rmap entry as a lock bit,
 202  * and bit 32 as a present flag.  The bottom 32 bits are the
 203  * index in the guest HPT of a HPTE that points to the page.
 204  */
 205 #define KVMPPC_RMAP_LOCK_BIT    63
 206 #define KVMPPC_RMAP_RC_SHIFT    32
 207 #define KVMPPC_RMAP_REFERENCED  (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
 208 #define KVMPPC_RMAP_CHANGED     (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
 209 #define KVMPPC_RMAP_PRESENT     0x100000000ul
 210 #define KVMPPC_RMAP_INDEX       0xfffffffful
 211
 212 struct kvm_arch_memory_slot {
 213 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 214         unsigned long *rmap;
 215 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 216 };
 217
 218 struct kvm_arch {
 219         unsigned int lpid;
 220 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 221         unsigned long hpt_virt;
 222         struct revmap_entry *revmap;
 223         unsigned int host_lpid;
 224         unsigned long host_lpcr;
 225         unsigned long sdr1;
 226         unsigned long host_sdr1;
 227         int tlbie_lock;
 228         unsigned long lpcr;
 229         unsigned long rmor;
 230         struct kvm_rma_info *rma;
 231         unsigned long vrma_slb_v;
 232         int rma_setup_done;
 233         u32 hpt_order;
 234         atomic_t vcpus_running;
 235         u32 online_vcores;
 236         unsigned long hpt_npte;
 237         unsigned long hpt_mask;
 238         atomic_t hpte_mod_interest;
 239         cpumask_t need_tlb_flush;
 240         int hpt_cma_alloc;
 241 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 242 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
 243         struct mutex hpt_mutex;
 244 #endif
 245 #ifdef CONFIG_PPC_BOOK3S_64
 246         struct list_head spapr_tce_tables;
 247         struct list_head rtas_tokens;
 248         DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
 249 #endif
 250 #ifdef CONFIG_KVM_MPIC
 251         struct openpic *mpic;
 252 #endif
 253 #ifdef CONFIG_KVM_XICS
 254         struct kvmppc_xics *xics;
 255 #endif
 256         struct kvmppc_ops *kvm_ops;
 257 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 258         /* This array can grow quite large, keep it at the end */
 259         struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
 260 #endif
 261 };
 262
 263 /*
 264  * Struct for a virtual core.
 265  * Note: entry_exit_count combines an entry count in the bottom 8 bits
 266  * and an exit count in the next 8 bits.  This is so that we can
 267  * atomically increment the entry count iff the exit count is 0
 268  * without taking the lock.
 269  */
 270 struct kvmppc_vcore {
 271         int n_runnable;
 272         int n_busy;
 273         int num_threads;
 274         int entry_exit_count;
 275         int n_woken;
 276         int nap_count;
 277         int napping_threads;
 278         int first_vcpuid;
 279         u16 pcpu;
 280         u16 last_cpu;
 281         u8 vcore_state;
 282         u8 in_guest;
 283         struct list_head runnable_threads;
 284         spinlock_t lock;
 285         wait_queue_head_t wq;
 286         spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
 287         u64 stolen_tb;
 288         u64 preempt_tb;
 289         struct kvm_vcpu *runner;
 290         struct kvm *kvm;
 291         u64 tb_offset;          /* guest timebase - host timebase */
 292         ulong lpcr;
 293         u32 arch_compat;
 294         ulong pcr;
 295         ulong dpdes;            /* doorbell state (POWER8) */
 296         void *mpp_buffer; /* Micro Partition Prefetch buffer */
 297         bool mpp_buffer_is_valid;
 298 };
 299
 300 #define VCORE_ENTRY_COUNT(vc)   ((vc)->entry_exit_count & 0xff)
 301 #define VCORE_EXIT_COUNT(vc)    ((vc)->entry_exit_count >> 8)
 302
 303 /* Values for vcore_state */
 304 #define VCORE_INACTIVE  0
 305 #define VCORE_SLEEPING  1
 306 #define VCORE_STARTING  2
 307 #define VCORE_RUNNING   3
 308 #define VCORE_EXITING   4
 309
 310 /*
 311  * Struct used to manage memory for a virtual processor area
 312  * registered by a PAPR guest.  There are three types of area
 313  * that a guest can register.
 314  */
 315 struct kvmppc_vpa {
 316         unsigned long gpa;      /* Current guest phys addr */
 317         void *pinned_addr;      /* Address in kernel linear mapping */
 318         void *pinned_end;       /* End of region */
 319         unsigned long next_gpa; /* Guest phys addr for update */
 320         unsigned long len;      /* Number of bytes required */
 321         u8 update_pending;      /* 1 => update pinned_addr from next_gpa */
 322         bool dirty;             /* true => area has been modified by kernel */
 323 };
 324
 325 struct kvmppc_pte {
 326         ulong eaddr;
 327         u64 vpage;
 328         ulong raddr;
 329         bool may_read           : 1;
 330         bool may_write          : 1;
 331         bool may_execute        : 1;
 332         u8 page_size;           /* MMU_PAGE_xxx */
 333 };
 334
 335 struct kvmppc_mmu {
 336         /* book3s_64 only */
 337         void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
 338         u64  (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
 339         u64  (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
 340         void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
 341         void (*slbia)(struct kvm_vcpu *vcpu);
 342         /* book3s */
 343         void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
 344         u32  (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
 345         int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
 346                       struct kvmppc_pte *pte, bool data, bool iswrite);
 347         void (*reset_msr)(struct kvm_vcpu *vcpu);
 348         void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
 349         int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
 350         u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
 351         bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
 352 };
 353
 354 struct kvmppc_slb {
 355         u64 esid;
 356         u64 vsid;
 357         u64 orige;
 358         u64 origv;
 359         bool valid      : 1;
 360         bool Ks         : 1;
 361         bool Kp         : 1;
 362         bool nx         : 1;
 363         bool large      : 1;    /* PTEs are 16MB */
 364         bool tb         : 1;    /* 1TB segment */
 365         bool class      : 1;
 366         u8 base_page_size;      /* MMU_PAGE_xxx */
 367 };
 368
 369 # ifdef CONFIG_PPC_FSL_BOOK3E
 370 #define KVMPPC_BOOKE_IAC_NUM    2
 371 #define KVMPPC_BOOKE_DAC_NUM    2
 372 # else
 373 #define KVMPPC_BOOKE_IAC_NUM    4
 374 #define KVMPPC_BOOKE_DAC_NUM    2
 375 # endif
 376 #define KVMPPC_BOOKE_MAX_IAC    4
 377 #define KVMPPC_BOOKE_MAX_DAC    2
 378
 379 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
 380 #define KVMPPC_EPR_NONE         0 /* EPR not supported */
 381 #define KVMPPC_EPR_USER         1 /* exit to userspace to fill EPR */
 382 #define KVMPPC_EPR_KERNEL       2 /* in-kernel irqchip */
 383
 384 #define KVMPPC_IRQ_DEFAULT      0
 385 #define KVMPPC_IRQ_MPIC         1
 386 #define KVMPPC_IRQ_XICS         2
 387
 388 struct openpic;
 389
 390 struct kvm_vcpu_arch {
 391         ulong host_stack;
 392         u32 host_pid;
 393 #ifdef CONFIG_PPC_BOOK3S
 394         struct kvmppc_slb slb[64];
 395         int slb_max;            /* 1 + index of last valid entry in slb[] */
 396         int slb_nr;             /* total number of entries in SLB */
 397         struct kvmppc_mmu mmu;
 398         struct kvmppc_vcpu_book3s *book3s;
 399 #endif
 400 #ifdef CONFIG_PPC_BOOK3S_32
 401         struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
 402 #endif
 403
 404         ulong gpr[32];
 405
 406         struct thread_fp_state fp;
 407
 408 #ifdef CONFIG_SPE
 409         ulong evr[32];
 410         ulong spefscr;
 411         ulong host_spefscr;
 412         u64 acc;
 413 #endif
 414 #ifdef CONFIG_ALTIVEC
 415         struct thread_vr_state vr;
 416 #endif
 417
 418 #ifdef CONFIG_KVM_BOOKE_HV
 419         u32 host_mas4;
 420         u32 host_mas6;
 421         u32 shadow_epcr;
 422         u32 shadow_msrp;
 423         u32 eplc;
 424         u32 epsc;
 425         u32 oldpir;
 426 #endif
 427
 428 #if defined(CONFIG_BOOKE)
 429 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
 430         u32 epcr;
 431 #endif
 432 #endif
 433
 434 #ifdef CONFIG_PPC_BOOK3S
 435         /* For Gekko paired singles */
 436         u32 qpr[32];
 437 #endif
 438
 439         ulong pc;
 440         ulong ctr;
 441         ulong lr;
 442 #ifdef CONFIG_PPC_BOOK3S
 443         ulong tar;
 444 #endif
 445
 446         ulong xer;
 447         u32 cr;
 448
 449 #ifdef CONFIG_PPC_BOOK3S
 450         ulong hflags;
 451         ulong guest_owned_ext;
 452         ulong purr;
 453         ulong spurr;
 454         ulong ic;
 455         ulong vtb;
 456         ulong dscr;
 457         ulong amr;
 458         ulong uamor;
 459         ulong iamr;
 460         u32 ctrl;
 461         u32 dabrx;
 462         ulong dabr;
 463         ulong dawr;
 464         ulong dawrx;
 465         ulong ciabr;
 466         ulong cfar;
 467         ulong ppr;
 468         ulong pspb;
 469         ulong fscr;
 470         ulong shadow_fscr;
 471         ulong ebbhr;
 472         ulong ebbrr;
 473         ulong bescr;
 474         ulong csigr;
 475         ulong tacr;
 476         ulong tcscr;
 477         ulong acop;
 478         ulong wort;
 479         ulong shadow_srr1;
 480 #endif
 481         u32 vrsave; /* also USPRG0 */
 482         u32 mmucr;
 483         /* shadow_msr is unused for BookE HV */
 484         ulong shadow_msr;
 485         ulong csrr0;
 486         ulong csrr1;
 487         ulong dsrr0;
 488         ulong dsrr1;
 489         ulong mcsrr0;
 490         ulong mcsrr1;
 491         ulong mcsr;
 492         u32 dec;
 493 #ifdef CONFIG_BOOKE
 494         u32 decar;
 495 #endif
 496         /* Time base value when we entered the guest */
 497         u64 entry_tb;
 498         u64 entry_vtb;
 499         u64 entry_ic;
 500         u32 tcr;
 501         ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
 502         u32 ivor[64];
 503         ulong ivpr;
 504         u32 pvr;
 505
 506         u32 shadow_pid;
 507         u32 shadow_pid1;
 508         u32 pid;
 509         u32 swap_pid;
 510
 511         u32 ccr0;
 512         u32 ccr1;
 513         u32 dbsr;
 514
 515         u64 mmcr[5];
 516         u32 pmc[8];
 517         u32 spmc[2];
 518         u64 siar;
 519         u64 sdar;
 520         u64 sier;
 521 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 522         u64 tfhar;
 523         u64 texasr;
 524         u64 tfiar;
 525
 526         u32 cr_tm;
 527         u64 lr_tm;
 528         u64 ctr_tm;
 529         u64 amr_tm;
 530         u64 ppr_tm;
 531         u64 dscr_tm;
 532         u64 tar_tm;
 533
 534         ulong gpr_tm[32];
 535
 536         struct thread_fp_state fp_tm;
 537
 538         struct thread_vr_state vr_tm;
 539         u32 vrsave_tm; /* also USPRG0 */
 540
 541 #endif
 542
 543 #ifdef CONFIG_KVM_EXIT_TIMING
 544         struct mutex exit_timing_lock;
 545         struct kvmppc_exit_timing timing_exit;
 546         struct kvmppc_exit_timing timing_last_enter;
 547         u32 last_exit_type;
 548         u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
 549         u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 550         u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 551         u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 552         u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 553         u64 timing_last_exit;
 554         struct dentry *debugfs_exit_timing;
 555 #endif
 556
 557 #ifdef CONFIG_PPC_BOOK3S
 558         ulong fault_dar;
 559         u32 fault_dsisr;
 560         unsigned long intr_msr;
 561 #endif
 562
 563 #ifdef CONFIG_BOOKE
 564         ulong fault_dear;
 565         ulong fault_esr;
 566         ulong queued_dear;
 567         ulong queued_esr;
 568         spinlock_t wdt_lock;
 569         struct timer_list wdt_timer;
 570         u32 tlbcfg[4];
 571         u32 tlbps[4];
 572         u32 mmucfg;
 573         u32 eptcfg;
 574         u32 epr;
 575         u64 sprg9;
 576         u32 pwrmgtcr0;
 577         u32 crit_save;
 578         /* guest debug registers*/
 579         struct debug_reg dbg_reg;
 580 #endif
 581         gpa_t paddr_accessed;
 582         gva_t vaddr_accessed;
 583         pgd_t *pgdir;
 584
 585         u8 io_gpr; /* GPR used as IO source/target */
 586         u8 mmio_is_bigendian;
 587         u8 mmio_sign_extend;
 588         u8 osi_needed;
 589         u8 osi_enabled;
 590         u8 papr_enabled;
 591         u8 watchdog_enabled;
 592         u8 sane;
 593         u8 cpu_type;
 594         u8 hcall_needed;
 595         u8 epr_flags; /* KVMPPC_EPR_xxx */
 596         u8 epr_needed;
 597
 598         u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 599
 600         struct hrtimer dec_timer;
 601         u64 dec_jiffies;
 602         u64 dec_expires;
 603         unsigned long pending_exceptions;
 604         u8 ceded;
 605         u8 prodded;
 606         u32 last_inst;
 607
 608         wait_queue_head_t *wqp;
 609         struct kvmppc_vcore *vcore;
 610         int ret;
 611         int trap;
 612         int state;
 613         int ptid;
 614         bool timer_running;
 615         wait_queue_head_t cpu_run;
 616
 617         struct kvm_vcpu_arch_shared *shared;
 618 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
 619         bool shared_big_endian;
 620 #endif
 621         unsigned long magic_page_pa; /* phys addr to map the magic page to */
 622         unsigned long magic_page_ea; /* effect. addr to map the magic page to */
 623         bool disable_kernel_nx;
 624
 625         int irq_type;           /* one of KVM_IRQ_* */
 626         int irq_cpu_id;
 627         struct openpic *mpic;   /* KVM_IRQ_MPIC */
 628 #ifdef CONFIG_KVM_XICS
 629         struct kvmppc_icp *icp; /* XICS presentation controller */
 630 #endif
 631
 632 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 633         struct kvm_vcpu_arch_shared shregs;
 634
 635         unsigned long pgfault_addr;
 636         long pgfault_index;
 637         unsigned long pgfault_hpte[2];
 638
 639         struct list_head run_list;
 640         struct task_struct *run_task;
 641         struct kvm_run *kvm_run;
 642
 643         spinlock_t vpa_update_lock;
 644         struct kvmppc_vpa vpa;
 645         struct kvmppc_vpa dtl;
 646         struct dtl_entry *dtl_ptr;
 647         unsigned long dtl_index;
 648         u64 stolen_logged;
 649         struct kvmppc_vpa slb_shadow;
 650
 651         spinlock_t tbacct_lock;
 652         u64 busy_stolen;
 653         u64 busy_preempt;
 654
 655         u32 emul_inst;
 656 #endif
 657 };
 658
 659 #define VCPU_FPR(vcpu, i)       (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
 660
 661 /* Values for vcpu->arch.state */
 662 #define KVMPPC_VCPU_NOTREADY            0
 663 #define KVMPPC_VCPU_RUNNABLE            1
 664 #define KVMPPC_VCPU_BUSY_IN_HOST        2
 665
 666 /* Values for vcpu->arch.io_gpr */
 667 #define KVM_MMIO_REG_MASK       0x001f
 668 #define KVM_MMIO_REG_EXT_MASK   0xffe0
 669 #define KVM_MMIO_REG_GPR        0x0000
 670 #define KVM_MMIO_REG_FPR        0x0020
 671 #define KVM_MMIO_REG_QPR        0x0040
 672 #define KVM_MMIO_REG_FQPR       0x0060
 673
 674 #define __KVM_HAVE_ARCH_WQP
 675 #define __KVM_HAVE_CREATE_DEVICE
 676
 677 static inline void kvm_arch_hardware_disable(void) {}
 678 static inline void kvm_arch_hardware_unsetup(void) {}
 679 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 680 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {}
 681 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
 682 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 683 static inline void kvm_arch_exit(void) {}
 684
 685 #endif /* __POWERPC_KVM_HOST_H__ */