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
  38 #define KVM_MAX_VCPUS           NR_CPUS
  39 #define KVM_MAX_VCORES          NR_CPUS
  40 #define KVM_USER_MEM_SLOTS 32
  41 #define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS
  42
  43 #ifdef CONFIG_KVM_MMIO
  44 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
  45 #endif
  46
  47 /* These values are internal and can be increased later */
  48 #define KVM_NR_IRQCHIPS          1
  49 #define KVM_IRQCHIP_NUM_PINS     256
  50
  51 #if !defined(CONFIG_KVM_440)
  52 #include <linux/mmu_notifier.h>
  53
  54 #define KVM_ARCH_WANT_MMU_NOTIFIER
  55
  56 struct kvm;
  57 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
  58 extern int kvm_unmap_hva_range(struct kvm *kvm,
  59                                unsigned long start, unsigned long end);
  60 extern int kvm_age_hva(struct kvm *kvm, unsigned long hva);
  61 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
  62 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
  63
  64 #endif
  65
  66 #define HPTEG_CACHE_NUM                 (1 << 15)
  67 #define HPTEG_HASH_BITS_PTE             13
  68 #define HPTEG_HASH_BITS_PTE_LONG        12
  69 #define HPTEG_HASH_BITS_VPTE            13
  70 #define HPTEG_HASH_BITS_VPTE_LONG       5
  71 #define HPTEG_HASH_BITS_VPTE_64K        11
  72 #define HPTEG_HASH_NUM_PTE              (1 << HPTEG_HASH_BITS_PTE)
  73 #define HPTEG_HASH_NUM_PTE_LONG         (1 << HPTEG_HASH_BITS_PTE_LONG)
  74 #define HPTEG_HASH_NUM_VPTE             (1 << HPTEG_HASH_BITS_VPTE)
  75 #define HPTEG_HASH_NUM_VPTE_LONG        (1 << HPTEG_HASH_BITS_VPTE_LONG)
  76 #define HPTEG_HASH_NUM_VPTE_64K         (1 << HPTEG_HASH_BITS_VPTE_64K)
  77
  78 /* Physical Address Mask - allowed range of real mode RAM access */
  79 #define KVM_PAM                 0x0fffffffffffffffULL
  80
  81 struct kvm;
  82 struct kvm_run;
  83 struct kvm_vcpu;
  84
  85 struct lppaca;
  86 struct slb_shadow;
  87 struct dtl_entry;
  88
  89 struct kvmppc_vcpu_book3s;
  90 struct kvmppc_book3s_shadow_vcpu;
  91
  92 struct kvm_vm_stat {
  93         u32 remote_tlb_flush;
  94 };
  95
  96 struct kvm_vcpu_stat {
  97         u32 sum_exits;
  98         u32 mmio_exits;
  99         u32 dcr_exits;
 100         u32 signal_exits;
 101         u32 light_exits;
 102         /* Account for special types of light exits: */
 103         u32 itlb_real_miss_exits;
 104         u32 itlb_virt_miss_exits;
 105         u32 dtlb_real_miss_exits;
 106         u32 dtlb_virt_miss_exits;
 107         u32 syscall_exits;
 108         u32 isi_exits;
 109         u32 dsi_exits;
 110         u32 emulated_inst_exits;
 111         u32 dec_exits;
 112         u32 ext_intr_exits;
 113         u32 halt_wakeup;
 114         u32 dbell_exits;
 115         u32 gdbell_exits;
 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;
 123         u32 ld_slow;
 124         u32 st;
 125         u32 st_slow;
 126 #endif
 127 };
 128
 129 enum kvm_exit_types {
 130         MMIO_EXITS,
 131         DCR_EXITS,
 132         SIGNAL_EXITS,
 133         ITLB_REAL_MISS_EXITS,
 134         ITLB_VIRT_MISS_EXITS,
 135         DTLB_REAL_MISS_EXITS,
 136         DTLB_VIRT_MISS_EXITS,
 137         SYSCALL_EXITS,
 138         ISI_EXITS,
 139         DSI_EXITS,
 140         EMULATED_INST_EXITS,
 141         EMULATED_MTMSRWE_EXITS,
 142         EMULATED_WRTEE_EXITS,
 143         EMULATED_MTSPR_EXITS,
 144         EMULATED_MFSPR_EXITS,
 145         EMULATED_MTMSR_EXITS,
 146         EMULATED_MFMSR_EXITS,
 147         EMULATED_TLBSX_EXITS,
 148         EMULATED_TLBWE_EXITS,
 149         EMULATED_RFI_EXITS,
 150         EMULATED_RFCI_EXITS,
 151         DEC_EXITS,
 152         EXT_INTR_EXITS,
 153         HALT_WAKEUP,
 154         USR_PR_INST,
 155         FP_UNAVAIL,
 156         DEBUG_EXITS,
 157         TIMEINGUEST,
 158         DBELL_EXITS,
 159         GDBELL_EXITS,
 160         __NUMBER_OF_KVM_EXIT_TYPES
 161 };
 162
 163 /* allow access to big endian 32bit upper/lower parts and 64bit var */
 164 struct kvmppc_exit_timing {
 165         union {
 166                 u64 tv64;
 167                 struct {
 168                         u32 tbu, tbl;
 169                 } tv32;
 170         };
 171 };
 172
 173 struct kvmppc_pginfo {
 174         unsigned long pfn;
 175         atomic_t refcnt;
 176 };
 177
 178 struct kvmppc_spapr_tce_table {
 179         struct list_head list;
 180         struct kvm *kvm;
 181         u64 liobn;
 182         u32 window_size;
 183         struct page *pages[0];
 184 };
 185
 186 struct kvm_rma_info {
 187         atomic_t use_count;
 188         unsigned long base_pfn;
 189 };
 190
 191 /* XICS components, defined in book3s_xics.c */
 192 struct kvmppc_xics;
 193 struct kvmppc_icp;
 194
 195 /*
 196  * The reverse mapping array has one entry for each HPTE,
 197  * which stores the guest's view of the second word of the HPTE
 198  * (including the guest physical address of the mapping),
 199  * plus forward and backward pointers in a doubly-linked ring
 200  * of HPTEs that map the same host page.  The pointers in this
 201  * ring are 32-bit HPTE indexes, to save space.
 202  */
 203 struct revmap_entry {
 204         unsigned long guest_rpte;
 205         unsigned int forw, back;
 206 };
 207
 208 /*
 209  * We use the top bit of each memslot->arch.rmap entry as a lock bit,
 210  * and bit 32 as a present flag.  The bottom 32 bits are the
 211  * index in the guest HPT of a HPTE that points to the page.
 212  */
 213 #define KVMPPC_RMAP_LOCK_BIT    63
 214 #define KVMPPC_RMAP_RC_SHIFT    32
 215 #define KVMPPC_RMAP_REFERENCED  (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
 216 #define KVMPPC_RMAP_CHANGED     (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
 217 #define KVMPPC_RMAP_PRESENT     0x100000000ul
 218 #define KVMPPC_RMAP_INDEX       0xfffffffful
 219
 220 /* Low-order bits in memslot->arch.slot_phys[] */
 221 #define KVMPPC_PAGE_ORDER_MASK  0x1f
 222 #define KVMPPC_PAGE_NO_CACHE    HPTE_R_I        /* 0x20 */
 223 #define KVMPPC_PAGE_WRITETHRU   HPTE_R_W        /* 0x40 */
 224 #define KVMPPC_GOT_PAGE         0x80
 225
 226 struct kvm_arch_memory_slot {
 227 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 228         unsigned long *rmap;
 229         unsigned long *slot_phys;
 230 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 231 };
 232
 233 struct kvm_arch {
 234         unsigned int lpid;
 235 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 236         unsigned long hpt_virt;
 237         struct revmap_entry *revmap;
 238         unsigned int host_lpid;
 239         unsigned long host_lpcr;
 240         unsigned long sdr1;
 241         unsigned long host_sdr1;
 242         int tlbie_lock;
 243         unsigned long lpcr;
 244         unsigned long rmor;
 245         struct kvm_rma_info *rma;
 246         unsigned long vrma_slb_v;
 247         int rma_setup_done;
 248         int using_mmu_notifiers;
 249         u32 hpt_order;
 250         atomic_t vcpus_running;
 251         u32 online_vcores;
 252         unsigned long hpt_npte;
 253         unsigned long hpt_mask;
 254         atomic_t hpte_mod_interest;
 255         spinlock_t slot_phys_lock;
 256         cpumask_t need_tlb_flush;
 257         struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
 258         int hpt_cma_alloc;
 259 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 260 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
 261         struct mutex hpt_mutex;
 262 #endif
 263 #ifdef CONFIG_PPC_BOOK3S_64
 264         struct list_head spapr_tce_tables;
 265         struct list_head rtas_tokens;
 266 #endif
 267 #ifdef CONFIG_KVM_MPIC
 268         struct openpic *mpic;
 269 #endif
 270 #ifdef CONFIG_KVM_XICS
 271         struct kvmppc_xics *xics;
 272 #endif
 273         struct kvmppc_ops *kvm_ops;
 274 };
 275
 276 /*
 277  * Struct for a virtual core.
 278  * Note: entry_exit_count combines an entry count in the bottom 8 bits
 279  * and an exit count in the next 8 bits.  This is so that we can
 280  * atomically increment the entry count iff the exit count is 0
 281  * without taking the lock.
 282  */
 283 struct kvmppc_vcore {
 284         int n_runnable;
 285         int n_busy;
 286         int num_threads;
 287         int entry_exit_count;
 288         int n_woken;
 289         int nap_count;
 290         int napping_threads;
 291         int first_vcpuid;
 292         u16 pcpu;
 293         u16 last_cpu;
 294         u8 vcore_state;
 295         u8 in_guest;
 296         struct list_head runnable_threads;
 297         spinlock_t lock;
 298         wait_queue_head_t wq;
 299         u64 stolen_tb;
 300         u64 preempt_tb;
 301         struct kvm_vcpu *runner;
 302         struct kvm *kvm;
 303         u64 tb_offset;          /* guest timebase - host timebase */
 304         ulong lpcr;
 305         u32 arch_compat;
 306         ulong pcr;
 307         ulong dpdes;            /* doorbell state (POWER8) */
 308 };
 309
 310 #define VCORE_ENTRY_COUNT(vc)   ((vc)->entry_exit_count & 0xff)
 311 #define VCORE_EXIT_COUNT(vc)    ((vc)->entry_exit_count >> 8)
 312
 313 /* Values for vcore_state */
 314 #define VCORE_INACTIVE  0
 315 #define VCORE_SLEEPING  1
 316 #define VCORE_STARTING  2
 317 #define VCORE_RUNNING   3
 318 #define VCORE_EXITING   4
 319
 320 /*
 321  * Struct used to manage memory for a virtual processor area
 322  * registered by a PAPR guest.  There are three types of area
 323  * that a guest can register.
 324  */
 325 struct kvmppc_vpa {
 326         unsigned long gpa;      /* Current guest phys addr */
 327         void *pinned_addr;      /* Address in kernel linear mapping */
 328         void *pinned_end;       /* End of region */
 329         unsigned long next_gpa; /* Guest phys addr for update */
 330         unsigned long len;      /* Number of bytes required */
 331         u8 update_pending;      /* 1 => update pinned_addr from next_gpa */
 332         bool dirty;             /* true => area has been modified by kernel */
 333 };
 334
 335 struct kvmppc_pte {
 336         ulong eaddr;
 337         u64 vpage;
 338         ulong raddr;
 339         bool may_read           : 1;
 340         bool may_write          : 1;
 341         bool may_execute        : 1;
 342         u8 page_size;           /* MMU_PAGE_xxx */
 343 };
 344
 345 struct kvmppc_mmu {
 346         /* book3s_64 only */
 347         void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
 348         u64  (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
 349         u64  (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
 350         void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
 351         void (*slbia)(struct kvm_vcpu *vcpu);
 352         /* book3s */
 353         void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
 354         u32  (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
 355         int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
 356                       struct kvmppc_pte *pte, bool data, bool iswrite);
 357         void (*reset_msr)(struct kvm_vcpu *vcpu);
 358         void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
 359         int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
 360         u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
 361         bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
 362 };
 363
 364 struct kvmppc_slb {
 365         u64 esid;
 366         u64 vsid;
 367         u64 orige;
 368         u64 origv;
 369         bool valid      : 1;
 370         bool Ks         : 1;
 371         bool Kp         : 1;
 372         bool nx         : 1;
 373         bool large      : 1;    /* PTEs are 16MB */
 374         bool tb         : 1;    /* 1TB segment */
 375         bool class      : 1;
 376         u8 base_page_size;      /* MMU_PAGE_xxx */
 377 };
 378
 379 # ifdef CONFIG_PPC_FSL_BOOK3E
 380 #define KVMPPC_BOOKE_IAC_NUM    2
 381 #define KVMPPC_BOOKE_DAC_NUM    2
 382 # else
 383 #define KVMPPC_BOOKE_IAC_NUM    4
 384 #define KVMPPC_BOOKE_DAC_NUM    2
 385 # endif
 386 #define KVMPPC_BOOKE_MAX_IAC    4
 387 #define KVMPPC_BOOKE_MAX_DAC    2
 388
 389 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
 390 #define KVMPPC_EPR_NONE         0 /* EPR not supported */
 391 #define KVMPPC_EPR_USER         1 /* exit to userspace to fill EPR */
 392 #define KVMPPC_EPR_KERNEL       2 /* in-kernel irqchip */
 393
 394 #define KVMPPC_IRQ_DEFAULT      0
 395 #define KVMPPC_IRQ_MPIC         1
 396 #define KVMPPC_IRQ_XICS         2
 397
 398 struct openpic;
 399
 400 struct kvm_vcpu_arch {
 401         ulong host_stack;
 402         u32 host_pid;
 403 #ifdef CONFIG_PPC_BOOK3S
 404         struct kvmppc_slb slb[64];
 405         int slb_max;            /* 1 + index of last valid entry in slb[] */
 406         int slb_nr;             /* total number of entries in SLB */
 407         struct kvmppc_mmu mmu;
 408         struct kvmppc_vcpu_book3s *book3s;
 409 #endif
 410 #ifdef CONFIG_PPC_BOOK3S_32
 411         struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
 412 #endif
 413
 414         ulong gpr[32];
 415
 416         struct thread_fp_state fp;
 417
 418 #ifdef CONFIG_SPE
 419         ulong evr[32];
 420         ulong spefscr;
 421         ulong host_spefscr;
 422         u64 acc;
 423 #endif
 424 #ifdef CONFIG_ALTIVEC
 425         struct thread_vr_state vr;
 426 #endif
 427
 428 #ifdef CONFIG_KVM_BOOKE_HV
 429         u32 host_mas4;
 430         u32 host_mas6;
 431         u32 shadow_epcr;
 432         u32 shadow_msrp;
 433         u32 eplc;
 434         u32 epsc;
 435         u32 oldpir;
 436 #endif
 437
 438 #if defined(CONFIG_BOOKE)
 439 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
 440         u32 epcr;
 441 #endif
 442 #endif
 443
 444 #ifdef CONFIG_PPC_BOOK3S
 445         /* For Gekko paired singles */
 446         u32 qpr[32];
 447 #endif
 448
 449         ulong pc;
 450         ulong ctr;
 451         ulong lr;
 452         ulong tar;
 453
 454         ulong xer;
 455         u32 cr;
 456
 457 #ifdef CONFIG_PPC_BOOK3S
 458         ulong hflags;
 459         ulong guest_owned_ext;
 460         ulong purr;
 461         ulong spurr;
 462         ulong ic;
 463         ulong vtb;
 464         ulong dscr;
 465         ulong amr;
 466         ulong uamor;
 467         ulong iamr;
 468         u32 ctrl;
 469         u32 dabrx;
 470         ulong dabr;
 471         ulong dawr;
 472         ulong dawrx;
 473         ulong ciabr;
 474         ulong cfar;
 475         ulong ppr;
 476         ulong pspb;
 477         ulong fscr;
 478         ulong tfhar;
 479         ulong tfiar;
 480         ulong texasr;
 481         ulong ebbhr;
 482         ulong ebbrr;
 483         ulong bescr;
 484         ulong csigr;
 485         ulong tacr;
 486         ulong tcscr;
 487         ulong acop;
 488         ulong wort;
 489         ulong shadow_srr1;
 490 #endif
 491         u32 vrsave; /* also USPRG0 */
 492         u32 mmucr;
 493         /* shadow_msr is unused for BookE HV */
 494         ulong shadow_msr;
 495         ulong csrr0;
 496         ulong csrr1;
 497         ulong dsrr0;
 498         ulong dsrr1;
 499         ulong mcsrr0;
 500         ulong mcsrr1;
 501         ulong mcsr;
 502         u32 dec;
 503 #ifdef CONFIG_BOOKE
 504         u32 decar;
 505 #endif
 506         u32 tbl;
 507         u32 tbu;
 508         u32 tcr;
 509         ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
 510         u32 ivor[64];
 511         ulong ivpr;
 512         u32 pvr;
 513
 514         u32 shadow_pid;
 515         u32 shadow_pid1;
 516         u32 pid;
 517         u32 swap_pid;
 518
 519         u32 ccr0;
 520         u32 ccr1;
 521         u32 dbsr;
 522
 523         u64 mmcr[5];
 524         u32 pmc[8];
 525         u32 spmc[2];
 526         u64 siar;
 527         u64 sdar;
 528         u64 sier;
 529
 530 #ifdef CONFIG_KVM_EXIT_TIMING
 531         struct mutex exit_timing_lock;
 532         struct kvmppc_exit_timing timing_exit;
 533         struct kvmppc_exit_timing timing_last_enter;
 534         u32 last_exit_type;
 535         u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
 536         u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 537         u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 538         u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 539         u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 540         u64 timing_last_exit;
 541         struct dentry *debugfs_exit_timing;
 542 #endif
 543
 544 #ifdef CONFIG_PPC_BOOK3S
 545         ulong fault_dar;
 546         u32 fault_dsisr;
 547 #endif
 548
 549 #ifdef CONFIG_BOOKE
 550         ulong fault_dear;
 551         ulong fault_esr;
 552         ulong queued_dear;
 553         ulong queued_esr;
 554         spinlock_t wdt_lock;
 555         struct timer_list wdt_timer;
 556         u32 tlbcfg[4];
 557         u32 tlbps[4];
 558         u32 mmucfg;
 559         u32 eptcfg;
 560         u32 epr;
 561         u32 crit_save;
 562         /* guest debug registers*/
 563         struct debug_reg dbg_reg;
 564         /* hardware visible debug registers when in guest state */
 565         struct debug_reg shadow_dbg_reg;
 566 #endif
 567         gpa_t paddr_accessed;
 568         gva_t vaddr_accessed;
 569         pgd_t *pgdir;
 570
 571         u8 io_gpr; /* GPR used as IO source/target */
 572         u8 mmio_is_bigendian;
 573         u8 mmio_sign_extend;
 574         u8 dcr_needed;
 575         u8 dcr_is_write;
 576         u8 osi_needed;
 577         u8 osi_enabled;
 578         u8 papr_enabled;
 579         u8 watchdog_enabled;
 580         u8 sane;
 581         u8 cpu_type;
 582         u8 hcall_needed;
 583         u8 epr_flags; /* KVMPPC_EPR_xxx */
 584         u8 epr_needed;
 585
 586         u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 587
 588         struct hrtimer dec_timer;
 589         struct tasklet_struct tasklet;
 590         u64 dec_jiffies;
 591         u64 dec_expires;
 592         unsigned long pending_exceptions;
 593         u8 ceded;
 594         u8 prodded;
 595         u32 last_inst;
 596
 597         wait_queue_head_t *wqp;
 598         struct kvmppc_vcore *vcore;
 599         int ret;
 600         int trap;
 601         int state;
 602         int ptid;
 603         bool timer_running;
 604         wait_queue_head_t cpu_run;
 605
 606         struct kvm_vcpu_arch_shared *shared;
 607         unsigned long magic_page_pa; /* phys addr to map the magic page to */
 608         unsigned long magic_page_ea; /* effect. addr to map the magic page to */
 609
 610         int irq_type;           /* one of KVM_IRQ_* */
 611         int irq_cpu_id;
 612         struct openpic *mpic;   /* KVM_IRQ_MPIC */
 613 #ifdef CONFIG_KVM_XICS
 614         struct kvmppc_icp *icp; /* XICS presentation controller */
 615 #endif
 616
 617 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 618         struct kvm_vcpu_arch_shared shregs;
 619
 620         unsigned long pgfault_addr;
 621         long pgfault_index;
 622         unsigned long pgfault_hpte[2];
 623
 624         struct list_head run_list;
 625         struct task_struct *run_task;
 626         struct kvm_run *kvm_run;
 627
 628         spinlock_t vpa_update_lock;
 629         struct kvmppc_vpa vpa;
 630         struct kvmppc_vpa dtl;
 631         struct dtl_entry *dtl_ptr;
 632         unsigned long dtl_index;
 633         u64 stolen_logged;
 634         struct kvmppc_vpa slb_shadow;
 635
 636         spinlock_t tbacct_lock;
 637         u64 busy_stolen;
 638         u64 busy_preempt;
 639 #endif
 640 };
 641
 642 #define VCPU_FPR(vcpu, i)       (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
 643
 644 /* Values for vcpu->arch.state */
 645 #define KVMPPC_VCPU_NOTREADY            0
 646 #define KVMPPC_VCPU_RUNNABLE            1
 647 #define KVMPPC_VCPU_BUSY_IN_HOST        2
 648
 649 /* Values for vcpu->arch.io_gpr */
 650 #define KVM_MMIO_REG_MASK       0x001f
 651 #define KVM_MMIO_REG_EXT_MASK   0xffe0
 652 #define KVM_MMIO_REG_GPR        0x0000
 653 #define KVM_MMIO_REG_FPR        0x0020
 654 #define KVM_MMIO_REG_QPR        0x0040
 655 #define KVM_MMIO_REG_FQPR       0x0060
 656
 657 #define __KVM_HAVE_ARCH_WQP
 658 #define __KVM_HAVE_CREATE_DEVICE
 659
 660 #endif /* __POWERPC_KVM_HOST_H__ */