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_successful_poll;
 111         u32 halt_wakeup;
 112         u32 dbell_exits;
 113         u32 gdbell_exits;
 114         u32 ld;
 115         u32 st;
 116 #ifdef CONFIG_PPC_BOOK3S
 117         u32 pf_storage;
 118         u32 pf_instruc;
 119         u32 sp_storage;
 120         u32 sp_instruc;
 121         u32 queue_intr;
 122         u32 ld_slow;
 123         u32 st_slow;
 124 #endif
 125 };
 126
 127 enum kvm_exit_types {
 128         MMIO_EXITS,
 129         SIGNAL_EXITS,
 130         ITLB_REAL_MISS_EXITS,
 131         ITLB_VIRT_MISS_EXITS,
 132         DTLB_REAL_MISS_EXITS,
 133         DTLB_VIRT_MISS_EXITS,
 134         SYSCALL_EXITS,
 135         ISI_EXITS,
 136         DSI_EXITS,
 137         EMULATED_INST_EXITS,
 138         EMULATED_MTMSRWE_EXITS,
 139         EMULATED_WRTEE_EXITS,
 140         EMULATED_MTSPR_EXITS,
 141         EMULATED_MFSPR_EXITS,
 142         EMULATED_MTMSR_EXITS,
 143         EMULATED_MFMSR_EXITS,
 144         EMULATED_TLBSX_EXITS,
 145         EMULATED_TLBWE_EXITS,
 146         EMULATED_RFI_EXITS,
 147         EMULATED_RFCI_EXITS,
 148         EMULATED_RFDI_EXITS,
 149         DEC_EXITS,
 150         EXT_INTR_EXITS,
 151         HALT_WAKEUP,
 152         USR_PR_INST,
 153         FP_UNAVAIL,
 154         DEBUG_EXITS,
 155         TIMEINGUEST,
 156         DBELL_EXITS,
 157         GDBELL_EXITS,
 158         __NUMBER_OF_KVM_EXIT_TYPES
 159 };
 160
 161 /* allow access to big endian 32bit upper/lower parts and 64bit var */
 162 struct kvmppc_exit_timing {
 163         union {
 164                 u64 tv64;
 165                 struct {
 166                         u32 tbu, tbl;
 167                 } tv32;
 168         };
 169 };
 170
 171 struct kvmppc_pginfo {
 172         unsigned long pfn;
 173         atomic_t refcnt;
 174 };
 175
 176 struct kvmppc_spapr_tce_table {
 177         struct list_head list;
 178         struct kvm *kvm;
 179         u64 liobn;
 180         u32 window_size;
 181         struct page *pages[0];
 182 };
 183
 184 /* XICS components, defined in book3s_xics.c */
 185 struct kvmppc_xics;
 186 struct kvmppc_icp;
 187
 188 /*
 189  * The reverse mapping array has one entry for each HPTE,
 190  * which stores the guest's view of the second word of the HPTE
 191  * (including the guest physical address of the mapping),
 192  * plus forward and backward pointers in a doubly-linked ring
 193  * of HPTEs that map the same host page.  The pointers in this
 194  * ring are 32-bit HPTE indexes, to save space.
 195  */
 196 struct revmap_entry {
 197         unsigned long guest_rpte;
 198         unsigned int forw, back;
 199 };
 200
 201 /*
 202  * We use the top bit of each memslot->arch.rmap entry as a lock bit,
 203  * and bit 32 as a present flag.  The bottom 32 bits are the
 204  * index in the guest HPT of a HPTE that points to the page.
 205  */
 206 #define KVMPPC_RMAP_LOCK_BIT    63
 207 #define KVMPPC_RMAP_RC_SHIFT    32
 208 #define KVMPPC_RMAP_REFERENCED  (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
 209 #define KVMPPC_RMAP_CHANGED     (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
 210 #define KVMPPC_RMAP_PRESENT     0x100000000ul
 211 #define KVMPPC_RMAP_INDEX       0xfffffffful
 212
 213 struct kvm_arch_memory_slot {
 214 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 215         unsigned long *rmap;
 216 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 217 };
 218
 219 struct kvm_arch {
 220         unsigned int lpid;
 221 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 222         unsigned long hpt_virt;
 223         struct revmap_entry *revmap;
 224         unsigned int host_lpid;
 225         unsigned long host_lpcr;
 226         unsigned long sdr1;
 227         unsigned long host_sdr1;
 228         int tlbie_lock;
 229         unsigned long lpcr;
 230         unsigned long rmor;
 231         struct kvm_rma_info *rma;
 232         unsigned long vrma_slb_v;
 233         int rma_setup_done;
 234         u32 hpt_order;
 235         atomic_t vcpus_running;
 236         u32 online_vcores;
 237         unsigned long hpt_npte;
 238         unsigned long hpt_mask;
 239         atomic_t hpte_mod_interest;
 240         cpumask_t need_tlb_flush;
 241         int hpt_cma_alloc;
 242 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 243 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
 244         struct mutex hpt_mutex;
 245 #endif
 246 #ifdef CONFIG_PPC_BOOK3S_64
 247         struct list_head spapr_tce_tables;
 248         struct list_head rtas_tokens;
 249         DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
 250 #endif
 251 #ifdef CONFIG_KVM_MPIC
 252         struct openpic *mpic;
 253 #endif
 254 #ifdef CONFIG_KVM_XICS
 255         struct kvmppc_xics *xics;
 256 #endif
 257         struct kvmppc_ops *kvm_ops;
 258 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 259         /* This array can grow quite large, keep it at the end */
 260         struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
 261 #endif
 262 };
 263
 264 /*
 265  * Struct for a virtual core.
 266  * Note: entry_exit_count combines an entry count in the bottom 8 bits
 267  * and an exit count in the next 8 bits.  This is so that we can
 268  * atomically increment the entry count iff the exit count is 0
 269  * without taking the lock.
 270  */
 271 struct kvmppc_vcore {
 272         int n_runnable;
 273         int n_busy;
 274         int num_threads;
 275         int entry_exit_count;
 276         int n_woken;
 277         int nap_count;
 278         int napping_threads;
 279         int first_vcpuid;
 280         u16 pcpu;
 281         u16 last_cpu;
 282         u8 vcore_state;
 283         u8 in_guest;
 284         struct list_head runnable_threads;
 285         spinlock_t lock;
 286         wait_queue_head_t wq;
 287         spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
 288         u64 stolen_tb;
 289         u64 preempt_tb;
 290         struct kvm_vcpu *runner;
 291         struct kvm *kvm;
 292         u64 tb_offset;          /* guest timebase - host timebase */
 293         ulong lpcr;
 294         u32 arch_compat;
 295         ulong pcr;
 296         ulong dpdes;            /* doorbell state (POWER8) */
 297         void *mpp_buffer; /* Micro Partition Prefetch buffer */
 298         bool mpp_buffer_is_valid;
 299         ulong conferring_threads;
 300 };
 301
 302 #define VCORE_ENTRY_COUNT(vc)   ((vc)->entry_exit_count & 0xff)
 303 #define VCORE_EXIT_COUNT(vc)    ((vc)->entry_exit_count >> 8)
 304
 305 /* Values for vcore_state */
 306 #define VCORE_INACTIVE  0
 307 #define VCORE_SLEEPING  1
 308 #define VCORE_STARTING  2
 309 #define VCORE_RUNNING   3
 310 #define VCORE_EXITING   4
 311
 312 /*
 313  * Struct used to manage memory for a virtual processor area
 314  * registered by a PAPR guest.  There are three types of area
 315  * that a guest can register.
 316  */
 317 struct kvmppc_vpa {
 318         unsigned long gpa;      /* Current guest phys addr */
 319         void *pinned_addr;      /* Address in kernel linear mapping */
 320         void *pinned_end;       /* End of region */
 321         unsigned long next_gpa; /* Guest phys addr for update */
 322         unsigned long len;      /* Number of bytes required */
 323         u8 update_pending;      /* 1 => update pinned_addr from next_gpa */
 324         bool dirty;             /* true => area has been modified by kernel */
 325 };
 326
 327 struct kvmppc_pte {
 328         ulong eaddr;
 329         u64 vpage;
 330         ulong raddr;
 331         bool may_read           : 1;
 332         bool may_write          : 1;
 333         bool may_execute        : 1;
 334         u8 page_size;           /* MMU_PAGE_xxx */
 335 };
 336
 337 struct kvmppc_mmu {
 338         /* book3s_64 only */
 339         void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
 340         u64  (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
 341         u64  (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
 342         void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
 343         void (*slbia)(struct kvm_vcpu *vcpu);
 344         /* book3s */
 345         void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
 346         u32  (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
 347         int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
 348                       struct kvmppc_pte *pte, bool data, bool iswrite);
 349         void (*reset_msr)(struct kvm_vcpu *vcpu);
 350         void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
 351         int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
 352         u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
 353         bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
 354 };
 355
 356 struct kvmppc_slb {
 357         u64 esid;
 358         u64 vsid;
 359         u64 orige;
 360         u64 origv;
 361         bool valid      : 1;
 362         bool Ks         : 1;
 363         bool Kp         : 1;
 364         bool nx         : 1;
 365         bool large      : 1;    /* PTEs are 16MB */
 366         bool tb         : 1;    /* 1TB segment */
 367         bool class      : 1;
 368         u8 base_page_size;      /* MMU_PAGE_xxx */
 369 };
 370
 371 # ifdef CONFIG_PPC_FSL_BOOK3E
 372 #define KVMPPC_BOOKE_IAC_NUM    2
 373 #define KVMPPC_BOOKE_DAC_NUM    2
 374 # else
 375 #define KVMPPC_BOOKE_IAC_NUM    4
 376 #define KVMPPC_BOOKE_DAC_NUM    2
 377 # endif
 378 #define KVMPPC_BOOKE_MAX_IAC    4
 379 #define KVMPPC_BOOKE_MAX_DAC    2
 380
 381 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
 382 #define KVMPPC_EPR_NONE         0 /* EPR not supported */
 383 #define KVMPPC_EPR_USER         1 /* exit to userspace to fill EPR */
 384 #define KVMPPC_EPR_KERNEL       2 /* in-kernel irqchip */
 385
 386 #define KVMPPC_IRQ_DEFAULT      0
 387 #define KVMPPC_IRQ_MPIC         1
 388 #define KVMPPC_IRQ_XICS         2
 389
 390 struct openpic;
 391
 392 struct kvm_vcpu_arch {
 393         ulong host_stack;
 394         u32 host_pid;
 395 #ifdef CONFIG_PPC_BOOK3S
 396         struct kvmppc_slb slb[64];
 397         int slb_max;            /* 1 + index of last valid entry in slb[] */
 398         int slb_nr;             /* total number of entries in SLB */
 399         struct kvmppc_mmu mmu;
 400         struct kvmppc_vcpu_book3s *book3s;
 401 #endif
 402 #ifdef CONFIG_PPC_BOOK3S_32
 403         struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
 404 #endif
 405
 406         ulong gpr[32];
 407
 408         struct thread_fp_state fp;
 409
 410 #ifdef CONFIG_SPE
 411         ulong evr[32];
 412         ulong spefscr;
 413         ulong host_spefscr;
 414         u64 acc;
 415 #endif
 416 #ifdef CONFIG_ALTIVEC
 417         struct thread_vr_state vr;
 418 #endif
 419
 420 #ifdef CONFIG_KVM_BOOKE_HV
 421         u32 host_mas4;
 422         u32 host_mas6;
 423         u32 shadow_epcr;
 424         u32 shadow_msrp;
 425         u32 eplc;
 426         u32 epsc;
 427         u32 oldpir;
 428 #endif
 429
 430 #if defined(CONFIG_BOOKE)
 431 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
 432         u32 epcr;
 433 #endif
 434 #endif
 435
 436 #ifdef CONFIG_PPC_BOOK3S
 437         /* For Gekko paired singles */
 438         u32 qpr[32];
 439 #endif
 440
 441         ulong pc;
 442         ulong ctr;
 443         ulong lr;
 444 #ifdef CONFIG_PPC_BOOK3S
 445         ulong tar;
 446 #endif
 447
 448         ulong xer;
 449         u32 cr;
 450
 451 #ifdef CONFIG_PPC_BOOK3S
 452         ulong hflags;
 453         ulong guest_owned_ext;
 454         ulong purr;
 455         ulong spurr;
 456         ulong ic;
 457         ulong vtb;
 458         ulong dscr;
 459         ulong amr;
 460         ulong uamor;
 461         ulong iamr;
 462         u32 ctrl;
 463         u32 dabrx;
 464         ulong dabr;
 465         ulong dawr;
 466         ulong dawrx;
 467         ulong ciabr;
 468         ulong cfar;
 469         ulong ppr;
 470         ulong pspb;
 471         ulong fscr;
 472         ulong shadow_fscr;
 473         ulong ebbhr;
 474         ulong ebbrr;
 475         ulong bescr;
 476         ulong csigr;
 477         ulong tacr;
 478         ulong tcscr;
 479         ulong acop;
 480         ulong wort;
 481         ulong shadow_srr1;
 482 #endif
 483         u32 vrsave; /* also USPRG0 */
 484         u32 mmucr;
 485         /* shadow_msr is unused for BookE HV */
 486         ulong shadow_msr;
 487         ulong csrr0;
 488         ulong csrr1;
 489         ulong dsrr0;
 490         ulong dsrr1;
 491         ulong mcsrr0;
 492         ulong mcsrr1;
 493         ulong mcsr;
 494         u32 dec;
 495 #ifdef CONFIG_BOOKE
 496         u32 decar;
 497 #endif
 498         /* Time base value when we entered the guest */
 499         u64 entry_tb;
 500         u64 entry_vtb;
 501         u64 entry_ic;
 502         u32 tcr;
 503         ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
 504         u32 ivor[64];
 505         ulong ivpr;
 506         u32 pvr;
 507
 508         u32 shadow_pid;
 509         u32 shadow_pid1;
 510         u32 pid;
 511         u32 swap_pid;
 512
 513         u32 ccr0;
 514         u32 ccr1;
 515         u32 dbsr;
 516
 517         u64 mmcr[5];
 518         u32 pmc[8];
 519         u32 spmc[2];
 520         u64 siar;
 521         u64 sdar;
 522         u64 sier;
 523 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 524         u64 tfhar;
 525         u64 texasr;
 526         u64 tfiar;
 527
 528         u32 cr_tm;
 529         u64 lr_tm;
 530         u64 ctr_tm;
 531         u64 amr_tm;
 532         u64 ppr_tm;
 533         u64 dscr_tm;
 534         u64 tar_tm;
 535
 536         ulong gpr_tm[32];
 537
 538         struct thread_fp_state fp_tm;
 539
 540         struct thread_vr_state vr_tm;
 541         u32 vrsave_tm; /* also USPRG0 */
 542
 543 #endif
 544
 545 #ifdef CONFIG_KVM_EXIT_TIMING
 546         struct mutex exit_timing_lock;
 547         struct kvmppc_exit_timing timing_exit;
 548         struct kvmppc_exit_timing timing_last_enter;
 549         u32 last_exit_type;
 550         u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
 551         u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 552         u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 553         u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 554         u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 555         u64 timing_last_exit;
 556         struct dentry *debugfs_exit_timing;
 557 #endif
 558
 559 #ifdef CONFIG_PPC_BOOK3S
 560         ulong fault_dar;
 561         u32 fault_dsisr;
 562         unsigned long intr_msr;
 563 #endif
 564
 565 #ifdef CONFIG_BOOKE
 566         ulong fault_dear;
 567         ulong fault_esr;
 568         ulong queued_dear;
 569         ulong queued_esr;
 570         spinlock_t wdt_lock;
 571         struct timer_list wdt_timer;
 572         u32 tlbcfg[4];
 573         u32 tlbps[4];
 574         u32 mmucfg;
 575         u32 eptcfg;
 576         u32 epr;
 577         u64 sprg9;
 578         u32 pwrmgtcr0;
 579         u32 crit_save;
 580         /* guest debug registers*/
 581         struct debug_reg dbg_reg;
 582 #endif
 583         gpa_t paddr_accessed;
 584         gva_t vaddr_accessed;
 585         pgd_t *pgdir;
 586
 587         u8 io_gpr; /* GPR used as IO source/target */
 588         u8 mmio_host_swabbed;
 589         u8 mmio_sign_extend;
 590         u8 osi_needed;
 591         u8 osi_enabled;
 592         u8 papr_enabled;
 593         u8 watchdog_enabled;
 594         u8 sane;
 595         u8 cpu_type;
 596         u8 hcall_needed;
 597         u8 epr_flags; /* KVMPPC_EPR_xxx */
 598         u8 epr_needed;
 599
 600         u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 601
 602         struct hrtimer dec_timer;
 603         u64 dec_jiffies;
 604         u64 dec_expires;
 605         unsigned long pending_exceptions;
 606         u8 ceded;
 607         u8 prodded;
 608         u32 last_inst;
 609
 610         wait_queue_head_t *wqp;
 611         struct kvmppc_vcore *vcore;
 612         int ret;
 613         int trap;
 614         int state;
 615         int ptid;
 616         bool timer_running;
 617         wait_queue_head_t cpu_run;
 618
 619         struct kvm_vcpu_arch_shared *shared;
 620 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
 621         bool shared_big_endian;
 622 #endif
 623         unsigned long magic_page_pa; /* phys addr to map the magic page to */
 624         unsigned long magic_page_ea; /* effect. addr to map the magic page to */
 625         bool disable_kernel_nx;
 626
 627         int irq_type;           /* one of KVM_IRQ_* */
 628         int irq_cpu_id;
 629         struct openpic *mpic;   /* KVM_IRQ_MPIC */
 630 #ifdef CONFIG_KVM_XICS
 631         struct kvmppc_icp *icp; /* XICS presentation controller */
 632 #endif
 633
 634 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 635         struct kvm_vcpu_arch_shared shregs;
 636
 637         unsigned long pgfault_addr;
 638         long pgfault_index;
 639         unsigned long pgfault_hpte[2];
 640
 641         struct list_head run_list;
 642         struct task_struct *run_task;
 643         struct kvm_run *kvm_run;
 644
 645         spinlock_t vpa_update_lock;
 646         struct kvmppc_vpa vpa;
 647         struct kvmppc_vpa dtl;
 648         struct dtl_entry *dtl_ptr;
 649         unsigned long dtl_index;
 650         u64 stolen_logged;
 651         struct kvmppc_vpa slb_shadow;
 652
 653         spinlock_t tbacct_lock;
 654         u64 busy_stolen;
 655         u64 busy_preempt;
 656
 657         u32 emul_inst;
 658 #endif
 659 };
 660
 661 #define VCPU_FPR(vcpu, i)       (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
 662
 663 /* Values for vcpu->arch.state */
 664 #define KVMPPC_VCPU_NOTREADY            0
 665 #define KVMPPC_VCPU_RUNNABLE            1
 666 #define KVMPPC_VCPU_BUSY_IN_HOST        2
 667
 668 /* Values for vcpu->arch.io_gpr */
 669 #define KVM_MMIO_REG_MASK       0x001f
 670 #define KVM_MMIO_REG_EXT_MASK   0xffe0
 671 #define KVM_MMIO_REG_GPR        0x0000
 672 #define KVM_MMIO_REG_FPR        0x0020
 673 #define KVM_MMIO_REG_QPR        0x0040
 674 #define KVM_MMIO_REG_FQPR       0x0060
 675
 676 #define __KVM_HAVE_ARCH_WQP
 677 #define __KVM_HAVE_CREATE_DEVICE
 678
 679 static inline void kvm_arch_hardware_disable(void) {}
 680 static inline void kvm_arch_hardware_unsetup(void) {}
 681 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 682 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {}
 683 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
 684 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 685 static inline void kvm_arch_exit(void) {}
 686
 687 #endif /* __POWERPC_KVM_HOST_H__ */