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 vrma_slb_v; 231 int hpte_setup_done; 232 u32 hpt_order; 233 atomic_t vcpus_running; 234 u32 online_vcores; 235 unsigned long hpt_npte; 236 unsigned long hpt_mask; 237 atomic_t hpte_mod_interest; 238 cpumask_t need_tlb_flush; 239 int hpt_cma_alloc; 240 struct dentry *debugfs_dir; 241 struct dentry *htab_dentry; 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_map combines a bitmap of threads that have entered 267 * in the bottom 8 bits and a bitmap of threads that have exited in the 268 * next 8 bits. This is so that we can atomically set the entry bit 269 * iff the exit map is 0 without taking a lock. 270 */ 271 struct kvmppc_vcore { 272 int n_runnable; 273 int num_threads; 274 int entry_exit_map; 275 int napping_threads; 276 int first_vcpuid; 277 u16 pcpu; 278 u16 last_cpu; 279 u8 vcore_state; 280 u8 in_guest; 281 struct list_head runnable_threads; 282 spinlock_t lock; 283 wait_queue_head_t wq; 284 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 285 u64 stolen_tb; 286 u64 preempt_tb; 287 struct kvm_vcpu *runner; 288 struct kvm *kvm; 289 u64 tb_offset; /* guest timebase - host timebase */ 290 ulong lpcr; 291 u32 arch_compat; 292 ulong pcr; 293 ulong dpdes; /* doorbell state (POWER8) */ 294 void *mpp_buffer; /* Micro Partition Prefetch buffer */ 295 bool mpp_buffer_is_valid; 296 ulong conferring_threads; 297 }; 298 299 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 300 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 301 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 302 303 /* Values for vcore_state */ 304 #define VCORE_INACTIVE 0 305 #define VCORE_SLEEPING 1 306 #define VCORE_PREEMPT 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 /* Struct used to accumulate timing information in HV real mode code */ 370 struct kvmhv_tb_accumulator { 371 u64 seqcount; /* used to synchronize access, also count * 2 */ 372 u64 tb_total; /* total time in timebase ticks */ 373 u64 tb_min; /* min time */ 374 u64 tb_max; /* max time */ 375 }; 376 377 # ifdef CONFIG_PPC_FSL_BOOK3E 378 #define KVMPPC_BOOKE_IAC_NUM 2 379 #define KVMPPC_BOOKE_DAC_NUM 2 380 # else 381 #define KVMPPC_BOOKE_IAC_NUM 4 382 #define KVMPPC_BOOKE_DAC_NUM 2 383 # endif 384 #define KVMPPC_BOOKE_MAX_IAC 4 385 #define KVMPPC_BOOKE_MAX_DAC 2 386 387 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 388 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 389 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 390 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 391 392 #define KVMPPC_IRQ_DEFAULT 0 393 #define KVMPPC_IRQ_MPIC 1 394 #define KVMPPC_IRQ_XICS 2 395 396 struct openpic; 397 398 struct kvm_vcpu_arch { 399 ulong host_stack; 400 u32 host_pid; 401 #ifdef CONFIG_PPC_BOOK3S 402 struct kvmppc_slb slb[64]; 403 int slb_max; /* 1 + index of last valid entry in slb[] */ 404 int slb_nr; /* total number of entries in SLB */ 405 struct kvmppc_mmu mmu; 406 struct kvmppc_vcpu_book3s *book3s; 407 #endif 408 #ifdef CONFIG_PPC_BOOK3S_32 409 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 410 #endif 411 412 ulong gpr[32]; 413 414 struct thread_fp_state fp; 415 416 #ifdef CONFIG_SPE 417 ulong evr[32]; 418 ulong spefscr; 419 ulong host_spefscr; 420 u64 acc; 421 #endif 422 #ifdef CONFIG_ALTIVEC 423 struct thread_vr_state vr; 424 #endif 425 426 #ifdef CONFIG_KVM_BOOKE_HV 427 u32 host_mas4; 428 u32 host_mas6; 429 u32 shadow_epcr; 430 u32 shadow_msrp; 431 u32 eplc; 432 u32 epsc; 433 u32 oldpir; 434 #endif 435 436 #if defined(CONFIG_BOOKE) 437 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 438 u32 epcr; 439 #endif 440 #endif 441 442 #ifdef CONFIG_PPC_BOOK3S 443 /* For Gekko paired singles */ 444 u32 qpr[32]; 445 #endif 446 447 ulong pc; 448 ulong ctr; 449 ulong lr; 450 #ifdef CONFIG_PPC_BOOK3S 451 ulong tar; 452 #endif 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 shadow_fscr; 479 ulong ebbhr; 480 ulong ebbrr; 481 ulong bescr; 482 ulong csigr; 483 ulong tacr; 484 ulong tcscr; 485 ulong acop; 486 ulong wort; 487 ulong shadow_srr1; 488 #endif 489 u32 vrsave; /* also USPRG0 */ 490 u32 mmucr; 491 /* shadow_msr is unused for BookE HV */ 492 ulong shadow_msr; 493 ulong csrr0; 494 ulong csrr1; 495 ulong dsrr0; 496 ulong dsrr1; 497 ulong mcsrr0; 498 ulong mcsrr1; 499 ulong mcsr; 500 u32 dec; 501 #ifdef CONFIG_BOOKE 502 u32 decar; 503 #endif 504 /* Time base value when we entered the guest */ 505 u64 entry_tb; 506 u64 entry_vtb; 507 u64 entry_ic; 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 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 530 u64 tfhar; 531 u64 texasr; 532 u64 tfiar; 533 534 u32 cr_tm; 535 u64 lr_tm; 536 u64 ctr_tm; 537 u64 amr_tm; 538 u64 ppr_tm; 539 u64 dscr_tm; 540 u64 tar_tm; 541 542 ulong gpr_tm[32]; 543 544 struct thread_fp_state fp_tm; 545 546 struct thread_vr_state vr_tm; 547 u32 vrsave_tm; /* also USPRG0 */ 548 549 #endif 550 551 #ifdef CONFIG_KVM_EXIT_TIMING 552 struct mutex exit_timing_lock; 553 struct kvmppc_exit_timing timing_exit; 554 struct kvmppc_exit_timing timing_last_enter; 555 u32 last_exit_type; 556 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 557 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 558 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 559 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 560 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 561 u64 timing_last_exit; 562 struct dentry *debugfs_exit_timing; 563 #endif 564 565 #ifdef CONFIG_PPC_BOOK3S 566 ulong fault_dar; 567 u32 fault_dsisr; 568 unsigned long intr_msr; 569 #endif 570 571 #ifdef CONFIG_BOOKE 572 ulong fault_dear; 573 ulong fault_esr; 574 ulong queued_dear; 575 ulong queued_esr; 576 spinlock_t wdt_lock; 577 struct timer_list wdt_timer; 578 u32 tlbcfg[4]; 579 u32 tlbps[4]; 580 u32 mmucfg; 581 u32 eptcfg; 582 u32 epr; 583 u64 sprg9; 584 u32 pwrmgtcr0; 585 u32 crit_save; 586 /* guest debug registers*/ 587 struct debug_reg dbg_reg; 588 #endif 589 gpa_t paddr_accessed; 590 gva_t vaddr_accessed; 591 pgd_t *pgdir; 592 593 u8 io_gpr; /* GPR used as IO source/target */ 594 u8 mmio_host_swabbed; 595 u8 mmio_sign_extend; 596 u8 osi_needed; 597 u8 osi_enabled; 598 u8 papr_enabled; 599 u8 watchdog_enabled; 600 u8 sane; 601 u8 cpu_type; 602 u8 hcall_needed; 603 u8 epr_flags; /* KVMPPC_EPR_xxx */ 604 u8 epr_needed; 605 606 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 607 608 struct hrtimer dec_timer; 609 u64 dec_jiffies; 610 u64 dec_expires; 611 unsigned long pending_exceptions; 612 u8 ceded; 613 u8 prodded; 614 u32 last_inst; 615 616 wait_queue_head_t *wqp; 617 struct kvmppc_vcore *vcore; 618 int ret; 619 int trap; 620 int state; 621 int ptid; 622 bool timer_running; 623 wait_queue_head_t cpu_run; 624 625 struct kvm_vcpu_arch_shared *shared; 626 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 627 bool shared_big_endian; 628 #endif 629 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 630 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 631 bool disable_kernel_nx; 632 633 int irq_type; /* one of KVM_IRQ_* */ 634 int irq_cpu_id; 635 struct openpic *mpic; /* KVM_IRQ_MPIC */ 636 #ifdef CONFIG_KVM_XICS 637 struct kvmppc_icp *icp; /* XICS presentation controller */ 638 #endif 639 640 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 641 struct kvm_vcpu_arch_shared shregs; 642 643 unsigned long pgfault_addr; 644 long pgfault_index; 645 unsigned long pgfault_hpte[2]; 646 647 struct list_head run_list; 648 struct task_struct *run_task; 649 struct kvm_run *kvm_run; 650 651 spinlock_t vpa_update_lock; 652 struct kvmppc_vpa vpa; 653 struct kvmppc_vpa dtl; 654 struct dtl_entry *dtl_ptr; 655 unsigned long dtl_index; 656 u64 stolen_logged; 657 struct kvmppc_vpa slb_shadow; 658 659 spinlock_t tbacct_lock; 660 u64 busy_stolen; 661 u64 busy_preempt; 662 663 u32 emul_inst; 664 #endif 665 666 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 667 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 668 u64 cur_tb_start; /* when it started */ 669 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 670 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 671 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 672 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 673 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 674 675 struct dentry *debugfs_dir; 676 struct dentry *debugfs_timings; 677 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 678 }; 679 680 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 681 682 /* Values for vcpu->arch.state */ 683 #define KVMPPC_VCPU_NOTREADY 0 684 #define KVMPPC_VCPU_RUNNABLE 1 685 #define KVMPPC_VCPU_BUSY_IN_HOST 2 686 687 /* Values for vcpu->arch.io_gpr */ 688 #define KVM_MMIO_REG_MASK 0x001f 689 #define KVM_MMIO_REG_EXT_MASK 0xffe0 690 #define KVM_MMIO_REG_GPR 0x0000 691 #define KVM_MMIO_REG_FPR 0x0020 692 #define KVM_MMIO_REG_QPR 0x0040 693 #define KVM_MMIO_REG_FQPR 0x0060 694 695 #define __KVM_HAVE_ARCH_WQP 696 #define __KVM_HAVE_CREATE_DEVICE 697 698 static inline void kvm_arch_hardware_disable(void) {} 699 static inline void kvm_arch_hardware_unsetup(void) {} 700 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 701 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {} 702 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 703 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 704 static inline void kvm_arch_exit(void) {} 705 706 #endif /* __POWERPC_KVM_HOST_H__ */ 707